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PR c/43981
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1 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c/43981
4         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
5         on dimen.
6
7 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
8
9         PR target/43799
10         * config/i386/i386.md (sse_prologue_save): Add clobber CC
11         register.
12         (*sse_prologue_save_insn1): Likewise.
13         (SSE prologue save splitter): Likewise.
14
15 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
16
17         * tree.c (free_lang_data_in_one_sizepos): New inline function.
18         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
19         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
20         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
21         all decls.  Call it on DECL_FIELD_OFFSET of fields.
22         (find_decls_types_r): Follow DECL_VALUE_EXPR.
23         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
24
25 2010-05-04  Martin Jambor  <mjambor@suse.cz>
26
27         * tree-sra.c (build_access_from_expr_1): The first parameter type
28         changed to simple tree.
29         (build_access_from_expr): Likewise, gsi parameter was eliminated.
30         (scan_assign_result): Renamed to assignment_mod_result, enum elements
31         renamed as well.
32         (build_accesses_from_assign): Removed all parameters except for a
33         simple gimple statement.  Now returns a simple bool.
34         (scan_function): All non-analysis parts moved to separate functions
35         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
36         parameters and updated both callers.
37         (sra_modify_expr): Removed parameter data.
38         (sra_modify_function_body): New function.
39         (perform_intra_sra): Call sra_modify_function_body to modify the
40         function body.
41         (replace_removed_params_ssa_names): Parameter data changed into
42         adjustments vector.
43         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
44         changed the parameter dont_convert to convert with the opposite
45         meaning.
46         (sra_ipa_modify_assign): Parameter data changed into adjustments
47         vector, return value changed to bool.
48         (ipa_sra_modify_function_body): New function.
49         (sra_ipa_reset_debug_stmts): Updated a comment.
50         (modify_function): Use ipa_sra_modify_function_body to modify function
51         body.
52
53 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
54
55         PR middle-end/43671
56         * alias.c (true_dependence): Handle the same VALUE in x and mem.
57         (canon_true_dependence): Likewise.
58         (write_dependence_p): Likewise.
59
60 2010-05-04  Jan Hubicka  <jh@suse.cz>
61
62         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
63         * cgraphbuild.c: Include ipa-utils.h
64         (record_reference_ctx): New struct.
65         (record_reference): Simplify to work on initializers; not statements.
66         (mark_address, mark_load, mark_store): New.
67         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
68         walk PHI nodes too.
69         (record_references_in_initializer): Update use of record_reference.
70         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
71         walk PHI nodes too.
72
73 2010-05-04  Jan Hubicka  <jh@suse.cz>
74
75         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
76         node will be removed anyway.
77         (lto_varpool_replace_node): Allow also unanalyzed nodes;
78         relink aliases of node into prevailing node.
79         * varpool.c (varpool_remove_node): Remove aliases properly;
80         when removing node, remove all its aliases too; remove DECL_INITIAL
81         of removed node; ggc_free the varpool node.
82
83 2010-05-04  Richard Guenther  <rguenther@suse.de>
84
85         PR tree-optimization/43879
86         * tree-ssa-structalias.c (alias_get_name): Use
87         DECL_ASSEMBLER_NAME if available.
88         (create_function_info_for): Return the varinfo node.
89         (ipa_pta_execute): Associate same-body aliases and extra names
90         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
91
92 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
93
94         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
95         static.
96
97 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
98
99         PR bootstrap/43964
100         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
101         only if HONOR_REG_ALLOC_ORDER is not defined.
102
103 2010-05-04  Richard Guenther  <rguenther@suse.de>
104
105         PR tree-optimization/43949
106         * tree-vrp.c (extract_range_from_binary_expr): Only handle
107         TRUNC_MOD_EXPR.
108
109 2010-04-26  Jason Merrill  <jason@redhat.com>
110
111         * c.opt (-fstrict-enums): New.
112         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
113
114 2010-05-03  David Ung <davidu@mips.com>
115             James E. Wilson  <wilson@codesourcery.com>
116
117         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
118         emit the trap instruction before the divide for TUNE_74K.
119
120 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
121
122         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
123         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
124         based on the above, for new target hook.
125
126         * hooks.c (hook_bool_mode_true): New generic hook.
127         * hooks.h (hook_bool_mode_true): Add prototype.
128
129         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
130         target hook.
131         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
132         target hook, set to hook_bool_mode_false.
133         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
134         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
135         with targetm.small_register_classes_for_mode_p.
136         (find_reusable_reload): Likewise.
137         (combine_reloads): Likewise.
138         * reload1.c (reload_as_needed): Likewise.
139         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
140         * ifcvt.c (noce_process_if_block, check_cond_move_block,
141         dead_or_predicable): Likewise.
142         * regmove.c (optimize_reg_copy_1): Likewise.
143         * calls.c (prepare_call_address): Likewise.
144         (precompute_register_parameters): Likewise.
145
146         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
147         hook definition.
148         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
149         implementation of the hook that considers all register classes
150         small except for SH64.
151         (sh_override_options): Use the new hook.
152         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
153         Add prototype.
154
155         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
156         hook definition.
157         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
158         implementation of the hook that considers all register classes
159         small for THUMB1.
160         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
161         Add prototype.
162
163         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
164         hook definition.
165         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
166         implementation of the hook that considers all register classes
167         small for MIPS16.
168         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
169         Add prototype.
170
171         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
172         hook definition.
173         * config/m32c/m32c.h: Likewise.
174         * config/pdp11/pdp11.h: Likewise.
175         * config/avr/avr.h: Likewise.
176         * config/xtensa/xtensa.h: Likewise.
177         * config/m68hc11/m68hc11.h: Likewise.
178         * config/mn10300/mn10300.h: Likewise.
179         * config/mcore/mcore.h: Likewise.
180         * config/h8300/h8300.h: Likewise.
181         * config/bfin/bfin.h: Likewise.
182
183         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
184         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
185
186 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
187
188         * double-int.h (tree_to_double_int): Remove macro.
189         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
190         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
191         (tree_to_double_int): New function.
192         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
193         Move ...
194         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
195
196 2010-05-03  Richard Guenther  <rguenther@suse.de>
197
198         PR tree-optimization/43971
199         * tree-ssa-structalias.c (get_constraint_for_1): Fix
200         constraints in the !flag_delete_null_pointer_checks case.
201
202 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
203
204         PR debug/43972
205         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
206         result mode matches original rtl mode.
207
208 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
209
210         PR target/43888
211         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
212
213 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
214
215         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
216         when processing flag options.
217
218 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
219
220         * gcov-iov.c (main): Change format string placeholder
221         from %#08x to 0x%08x.
222         * genchecksum.c (dosum): Change format string placeholder
223         from %#02x to 0x%02x.
224
225 2010-05-02  Richard Guenther  <rguenther@suse.de>
226
227         PR tree-optimization/43879
228         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
229
230 2010-05-02  Bruno Haible  <bruno@clisp.org>
231
232         * doc/extend.texi (Function Attributes): Fix a typo.
233
234 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
235
236         Revert:
237         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
238         placeholder from 0x%x to %#x.
239         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
240         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
241         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
242         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
243         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
244         * config/i386/i386.c (ix86_target_string): Ditto.
245         * config/i386/i386.c (output_pic_addr_const): Ditto.
246         (print_operand): Ditto.
247
248 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
249
250         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
251         placeholder from 0x%x to %#x.
252         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
253         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
254         (ASM_OUTPUT_DEBUG_DATA): Ditto.
255         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
256         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
257         * optc-gen.awk: Ditto.
258         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
259         (HOST_WIDE_INT_PRINT_HEX): Ditto.
260         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
261         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
262
263 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
264
265         * target.h (struct calls): Add function_value_regno_p field.
266         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
267         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
268         * targhooks.c (default_function_value_regno_p): New function.
269         * targhooks.h (default_function_value_regno_p): Declare function.
270         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
271         * builtins.c. (apply_result_size): (Ditto.).
272         * combine.c. (likely_spilled_retval_p): (Ditto.).
273         * mode-switching.c. Include 'target.h'.
274         (create_pre_exit): Use function_value_regno_p hook.
275         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
276         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
277         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
278
279         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
280         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
281         (ix86_function_value_regno_p): Declare as static, change argument
282         type to const unsigned int.
283         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
284
285 2010-05-01  Richard Guenther  <rguenther@suse.de>
286
287         PR tree-optimization/43949
288         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
289         types.
290         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
291
292 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
293
294         * rtl.h (CONST_DOUBLE_P): Define.
295         (rtx_to_double_int): Declare.
296         * emit-rtl.c (rtx_to_double_int): New function.
297         * dwarf2out.c (insert_double): New function.
298         (loc_descriptor, add_const_value_attribute): Clean up, use
299         rtx_to_double_int and insert_double functions.
300
301 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
302
303         * doc/extend.texi (Inline): Add missing return keyword to examples.
304         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
305         "command-line".
306
307 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
308
309         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
310         the variable part of the offset as well.  Use highest_pow2_factor for
311         all alignment checks.
312
313 2010-04-30  Richard Guenther  <rguenther@suse.de>
314
315         PR tree-optimization/43879
316         * tree-ssa-structalias.c (type_could_have_pointers): Functions
317         can have pointers.
318
319 2010-04-30  Jan Hubicka  <jh@suse.cz>
320
321         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
322         varpool.
323         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
324
325 2010-04-30  Jan Hubicka  <jh@suse.cz>
326
327         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
328         New.
329         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
330         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
331         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
332         cgraph_node_set_needs_ltrans_p): Remove.
333
334 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
335
336         * sdbout.c: Include vec.h, do not include varray.h.
337         (deferred_global_decls, sdbout_global_decl,
338         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
339         * toplev.c: Do not include varray.h.
340         (dump_memory_report): Do not dump VARRAY statistics.
341         * gengtype.c (open_base_file): Ignore varray.h.
342         * Makefile.in: Update for abovementioned changes.
343         Remove all traces of varray.c and varray.h.
344         * varray.c: Remove file.
345         * varray.h: Remove file.
346
347 2010-04-30  Jan Hubicka  <jh@suse.cz>
348
349         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
350         references.
351
352 2010-04-30  Jan Hubicka  <jh@suse.cz>
353
354         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
355         needed.
356
357 2010-04-30  Richard Guenther  <rguenther@suse.de>
358
359         * tree-ssa-structalias.c (get_constraint_for_1): Generate
360         constraints for CONSTRUCTOR.
361
362 2010-04-30  Richard Guenther  <rguenther@suse.de>
363
364         PR lto/43946
365         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
366         first after all lowering passes.
367
368 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
369
370         * toplev.c: Include varray.h for statistics dumping.
371         * tree.h: Do not declare varray_head_tag.
372         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
373         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
374         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
375         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
376         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
377         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
378         c-common.c, c-common.h, reg-stack.c, basic-block.h,
379         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
380         include varray.h.
381         * Makefile.in: Update for abovementioned changes.
382
383 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
384
385         PR debug/43942
386         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
387
388 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
389
390         * config/picochip/picochip.c (picochip_legitimize_address): Define.
391         Use this function to do machine-specific conversion.
392         (picochip_legitimize_reload_address): Likewise.
393         (picochip_legitimate_address_p): Check valid base register only if
394         strict.
395         (picochip_check_conditional_copy): Check for modw only if opnd is
396         register.
397         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
398         to call the function in c.
399         * config/picochip/picochip-protos.h
400         (picochip_legitimize_reload_address): Define.
401         * config/picochip/picochip.md (supported_compare1): Define.
402
403 2010-04-30  Jan Hubicka  <jh@suse.cz>
404
405         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
406         (cgraph_global_info): Remove inlined.
407         (LTO_cgraph_tag_names): Remove.
408         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
409         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
410         simplify cgraph tags and document.
411         (lto_output_node): Use only LTO_cgraph_unavail_node and
412         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
413         for_functions_valid, global info, process and output flags.
414         (input_overwrite_node): Initialize estimated stack size and
415         estimated growth.  Do not read flags we no longer store.
416         (input_node): Likewise do not read info no longer stored.
417         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
418         flag.
419
420 2010-04-30  Richard Guenther  <rguenther@suse.de>
421
422         PR tree-optimization/43879
423         * tree-ssa-structalias.c (get_constraint_for_1): Properly
424         handle non-zero initializers.
425
426 2010-04-30  Richard Guenther  <rguenther@suse.de>
427
428         * builtins.c (fold_builtin_1): Delete free (0).
429
430 2010-04-29  Jan Hubicka  <jh@suse.cz>
431
432         * gengtype.c (open_base_files): Add lto-streamer.h
433         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
434         (pass_ipa_cp): GGC collect.
435         * toplev. (compile_file): Do not output symbols.
436         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
437         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
438         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
439         * lto-section-in.c: Include ggc.h
440         (lto_new_in_decl_state): Alloc in GGC.
441         (lto_delete_in_decl_state): Likewise.
442         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
443         Collect.
444
445 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
446
447         PR target/42895
448         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
449         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
450         (HONOR_REG_ALLOC_ORDER): Describe new macro.
451         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
452         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
453         account only if HONOR_REG_ALLOC_ORDER is not defined.
454         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
455         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
456
457 2010-04-29  Jon Grant  <04@jguk.org>
458
459         * collect2.c (vflag): Change type from int to bool.
460         (debug): Likewise.
461         (helpflag): New global bool.
462         (main): Set vflag and debug with boolean, not integer truth values.
463         Accept new "--help" option and output usage text if found.
464         * collect2.h (vflag): Update prototype.
465         (debug): Likewise.
466
467 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
468
469         PR bootstrap/43936
470         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
471
472 2010-04-29  Richard Guenther  <rguenther@suse.de>
473
474         PR bootstrap/43935
475         * plugin.h (invoke_plugin_callbacks): Annotate arguments
476         with ATTRIBUTE_UNUSED.
477
478 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
479
480         PR target/43921
481         * config/i386/i386.c (get_some_local_dynamic_name): Replace
482         INSN_P with NONDEBUG_INSN_P.
483         (distance_non_agu_define): Likewise.
484         (distance_agu_use): Likewise.
485
486 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
487
488         From Dominique d'Humieres <dominiq@lps.ens.fr>
489         PR bootstrap/43858
490         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
491         test_set.
492
493 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
494
495         * plugin.h (invoke_plugin_callbacks): New inline function.
496         * plugin.c (flag_plugin_added): New global flag.
497         (add_new_plugin): Initialize above flag.
498         (invoke_plugin_callbacks): Rename to ...
499         (invoke_plugin_callbacks_full): ... this.
500
501 2010-04-28  Jan Hubicka  <jh@suse.cz>
502
503         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
504         (lto_varpool_replace_node): New.
505         (lto_symtab_resolve_symbols): Resolve varpool nodes.
506         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
507         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
508         * cgraph.h (varpool_node_ptr): New type.
509         (varpool_node_ptr): New vector.
510         (varpool_node_set_def): New structure.
511         (varpool_node_set): New type.
512         (varpool_node_set): New vector.
513         (varpool_node_set_element_def): New structure.
514         (varpool_node_set_element, const_varpool_node_set_element): New types.
515         (varpool_node_set_iterator): New type.
516         (varpool_node): Add prev pointers, add used_from_other_partition,
517         in_other_partition.
518         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
519         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
520         varpool_get_node, varpool_remove_node): Declare.
521         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
522         varpool_node_set_size): New inlines.
523         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
524         * tree-pass.h (varpool_node_set_def): Forward declare.
525         (ipa_opt_pass_d): Summary writting takes vnode sets too.
526         (ipa_write_optimization_summaries): Update prototype.
527         * ipa-cp.c (ipcp_write_summary): Update.
528         * ipa-reference.c (ipa_reference_write_summary): Update.
529         * lto-cgraph.c (lto_output_varpool_node): New static function.
530         (output_varpool): New function.
531         (input_varpool_node): New static function.
532         (input_varpool_1): New function.
533         (input_cgraph): Input varpool.
534         * ipa-pure-const.c (pure_const_write_summary): Update.
535         * lto-streamer-out.c (lto_output): Update, output varpool too.
536         (write_global_stream): Kill WPA hack.
537         (produce_asm_for_decls): Update.
538         (output_alias_pair_p): Handle variables.
539         (output_unreferenced_globals): Output only needed partition of varpool.
540         * ipa-inline.c (inline_write_summary): Update.
541         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
542         cgraph.
543         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
544         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
545         varpool_node_set_new, varpool_node_set_add,
546         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
547         debug_varpool_node_set): New functions.
548         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
549         (execute_one_pass): Process new decls too.
550         (ipa_write_summaries_2): Pass around vsets.
551         (ipa_write_summaries_1): Likewise.
552         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
553         to add.
554         (ipa_write_optimization_summaries_1): Pass around vsets.
555         (ipa_write_optimization_summaries): Likewise.
556         * varpool.c (varpool_get_node): New.
557         (varpool_node): Update doubly linked lists.
558         (varpool_remove_node): New.
559         (dump_varpool_node): More dumping.
560         (varpool_enqueue_needed_node): Update doubly linked lists.
561         (decide_is_variable_needed): Kill ltrans hack.
562         (varpool_finalize_decl): Kill lto hack.
563         (varpool_assemble_decl): Skip decls in other partitions.
564         (varpool_assemble_pending_decls): Update doubly linkes lists.
565         (varpool_empty_needed_queue): Likewise.
566         (varpool_extra_name_alias): Likewise.
567         * lto-streamer.c (lto_get_section_name): Add vars section.
568         * lto-streamer.h (lto_section_type): Update.
569         (output_varpool, input_varpool): Declare.
570
571 2010-04-28  Mike Stump  <mikestump@comcast.net>
572
573         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
574
575 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
576
577         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
578         record or union type with RECORD_OR_UNION_TYPE_P predicate.
579         (lto_input_ts_type_tree_pointers): Likewise.
580         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
581         (lto_output_ts_type_tree_pointers): Likewise.
582
583 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
584
585         Uniquization of constants at the Tree level
586         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
587         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
588         bit to the end.
589         (tree_output_constant_def): Declare.
590         * gimplify.c (gimplify_init_constructor): When using block copy, first
591         uniquize the constant constructor on the RHS.
592         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
593         DECL_IN_CONSTANT_POOL flag.
594         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
595         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
596         constant pool.
597         (assemble_variable): Deal with symbols belonging to the tree constant
598         pool.
599         (get_constant_section): Add ALIGN parameter and simplify.
600         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
601         (assemble_constant_contents): Use the expression of the VAR_DECL.
602         (output_constant_def_contents): Use the alignment of the VAR_DECL.
603         (tree_output_constant_def): New global function.
604         (mark_constant): Use the expression of the VAR_DECL.
605         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
606         its expression.
607         (output_object_block): Likewise and assemble the expression.
608
609 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
610
611         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
612         hash_tree, eq_tree): New tree hash table.
613         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
614         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
615         lto_orig_address_remove): Reimplement.
616
617 2010-04-28  Xinliang David Li  <davidxl@google.com>
618
619         PR c/42643
620         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
621         (compute_uninit_opnds_pos): New function.
622         (is_non_loop_exit_postdominating): New function.
623         (compute_control_dep_chain): New function.
624         (find_pdom): New function.
625         (convert_control_dep_chain_into_preds): New function.
626         (find_predicates): New function.
627         (find_control_equiv_block): New function.
628         (collect_phi_def_edges): New function.
629         (find_def_preds): New function.
630         (find_dom): New function.
631         (dump_predicates): New function.
632         (get_cmp_code): New function.
633         (is_value_included_in): New function.
634         (find_matching_predicate_in_rest_chains): New function.
635         (use_pred_not_overlap_with_undef_path_pred): New function.
636         (is_use_properly_guarded): New function.
637         (normalize_cond_1): New function.
638         (is_and_or_or): New function.
639         (normalize_cond): New function.
640         (is_gcond_subset_of): New function.
641         (is_subset_of_any): New function.
642         (is_or_set_subset_of): New function.
643         (is_and_set_subset_of): New function.
644         (is_norm_cond_subset_of): New function.
645         (is_pred_expr_subset_of): New function.
646         (is_pred_chain_subset_of): New function.
647         (is_included_in): New function.
648         (is_superset_of): New function.
649         (find_uninit_use): New function.
650         (warn_uninitialized_phi): New function.
651         (compute_possibly_undefined_names): New function.
652         (ssa_undefined_value_p): New function.
653         (execute_late_warn_uninitialized): New function.
654         * tree-ssa.c (ssa_undefined_value_p): Removed.
655         (warn_uninit): Changed to extern.
656         (warn_uninitialized_phi): Removed.
657         (warn_uninitialized_vars): Changed to extern.
658         (execute_late_warn_uninitialized): Removed
659         * tree-flow.h: Add new prototypes.
660         * timevar.def: Add new time variable.
661         * Makefile.in: Add new build file.
662
663 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
664
665         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
666         type if available.
667
668 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
669
670         PR target/22224
671         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
672
673 2010-04-28  Martin Jambor  <mjambor@suse.cz>
674
675         * cgraph.h (struct cgraph_node): New field indirect_calls.
676         (struct cgraph_indirect_call_info): New type.
677         (struct cgraph_edge): Removed field indirect_call. New fields
678         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
679         (cgraph_create_indirect_edge): Declare.
680         (cgraph_make_edge_direct): Likewise.
681         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
682         * ipa-prop.h (struct ipa_param_call_note): Removed.
683         (struct ipa_node_params): Removed field param_calls.
684         (ipa_create_all_structures_for_iinln): Declare.
685         * cgraph.c: Described indirect edges and uids in initial comment.
686         (cgraph_add_edge_to_call_site_hash): New function.
687         (cgraph_edge): Search also among the indirect edges, use
688         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
689         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
690         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
691         site hash.
692         (initialize_inline_failed): Assign a reason to indirect edges.
693         (cgraph_create_edge_1): New function.
694         (cgraph_create_edge): Moved some functionality to
695         cgraph_create_edge_1.
696         (cgraph_create_indirect_edge): New function.
697         (cgraph_edge_remove_callee): Add an assert checking for
698         non-indirectness.
699         (cgraph_edge_remove_caller): Special-case indirect edges.
700         (cgraph_remove_edge): Likewise.
701         (cgraph_set_edge_callee): New function.
702         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
703         (cgraph_make_edge_direct): New function.
704         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
705         the declaration of the call statement matches.
706         (cgraph_node_remove_callees): Special-case indirect edges.
707         (cgraph_clone_edge): Likewise.
708         (cgraph_clone_node): Clone also the indirect edges.
709         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
710         indirect_call, dump count of indirect_calls edges.
711         * ipa-prop.c (iinlining_processed_edges): New variable.
712         (ipa_note_param_call): Create indirect edges instead of
713         creating notes.  New parameter node.
714         (ipa_analyze_call_uses): New parameter node, pass it on to
715         ipa_note_param_call.
716         (ipa_analyze_stmt_uses): Likewise.
717         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
718         (print_edge_addition_message): Work on edges rather than on notes.
719         (update_call_notes_after_inlining): Likewise, renamed to
720         update_indirect_edges_after_inlining.
721         (ipa_create_all_structures_for_iinln): New function.
722         (ipa_free_node_params_substructures): Do not free notes.
723         (ipa_edge_duplication_hook): Propagate bits within
724         iinlining_processed_edges bitmap.
725         (ipa_node_duplication_hook): Do not duplicate notes.
726         (free_all_ipa_structures_after_ipa_cp): Renamed to
727         ipa_free_all_structures_after_ipa_cp.
728         (free_all_ipa_structures_after_iinln): Renamed to
729         ipa_free_all_structures_after_iinln.g
730         (ipa_write_param_call_note): Removed.
731         (ipa_read_param_call_note): Removed.
732         (ipa_write_indirect_edge_info): New function.
733         (ipa_read_indirect_edge_info): Likewise.
734         (ipa_write_node_info): Do not stream notes, do stream information
735         in indirect edges.
736         (ipa_read_node_info): Likewise.
737         (lto_ipa_fixup_call_notes): Removed.
738         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
739         * ipa-inline.c (pass_ipa_inline): Likewise.
740         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
741         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
742         * tree-inline.c (copy_bb): Removed an unnecessary double check for
743         is_gimple_call.
744         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
745         edges.
746         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
747         (output_cgraph): Stream also indirect edges.
748         (lto_output_edge): Added capability to stream indirect edges.
749         (input_edge): Likewise.
750         (input_cgraph_1): Likewise.
751         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
752         of indirect edges.
753
754 2010-04-28  Richard Guenther  <rguenther@suse.de>
755
756         PR tree-optimization/43879
757         PR tree-optimization/43909
758         * tree-ssa-structalias.c (struct variable_info): Add
759         only_restrict_pointers flag.
760         (new_var_info): Initialize it.  Increment stats.total_vars here.
761         (create_function_info_for): Do not increment stats.total_vars
762         here.
763         (get_function_part_constraint): Fix build with C++.
764         (insert_into_field_list): Remove.
765         (push_fields_onto_fieldstack): Properly merge fields.
766         (create_variable_info_for): Split and simplify.
767         (create_variable_info_for_1): New piece.
768         (intra_create_variable_infos): Properly make restrict constraints
769         from parameters.
770
771 2010-04-28  Richard Guenther  <rguenther@suse.de>
772
773         PR c++/43880
774         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
775
776 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
777             Jan Hubicka <hubicka@ucw.cz>
778
779         * doc/invoke.texi (-Wsuggest-attribute=const,
780         -Wsuggest-attribute=pure): Document.
781         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
782         (function_always_visible_to_compiler_p,
783         suggest_attribute, warn_function_pure, warn_function_const):
784         New functions.
785         (check_call): Improve debug info.
786         (analyze_function): Do not check availability.
787         (add_new_function): Check availability.
788         (propagate): Output warnings.
789         (skip_function_for_local_pure_const): New function.
790         (local_pure_const): Use it; output warnings.
791         * common.opt (Wsuggest-attribute=const,
792         Wsuggest-attribute=pure): New.
793
794 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
795
796         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
797         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
798         or DW_CFA_def_cfa_offset{,_sf}.
799
800 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
801
802         * tree.h: Fix truncated long macros.
803
804 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
805
806         * collect2.c (TARGET_64BIT): Redefine to target's default.
807         * tlink.c: Likewise.
808         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
809         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
810         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
811         for underscoring __USER_LABEL_PREFIX__.
812         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
813         (SUB_LINK_ENTRY32): New.
814         (SUB_LINK_ENTRY64): New.
815         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
816         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
817         (SUB_LINK_ENTRY64): New.
818         (SUB_LINK_ENTRY): New.
819         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
820         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
821         x64 target is choosen.
822         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
823         * configure: Regenerated.
824         * configure.ac (leading-mingw64-underscores): Option added.
825
826 2010-04-27  Jan Hubicka  <jh@suse.cz>
827
828         * doc/invoke.texi (-fipa-profile): Document.
829         * opts.c (decode_options): Enable ipa-profile at -O1.
830         * timevar.def (TV_IPA_PROFILE): Define.
831         * common.opt (fipa-profile): Add.
832         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
833         flag for clones.
834         (cgraph_propagate_frequency): Handle only local ones.
835         * tree-pass.h (pass_ipa_profile): Declare.
836         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
837         (pass_ipa_profile): Use TV_IPA_PROFILE.
838         * ipa.c (ipa_profile): New function.
839         (gate_ipa_profile): Likewise.
840         (pass_ipa_profile): New global variable.
841         * passes.c (pass_ipa_profile): New.
842
843 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
844
845         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
846
847 2010-04-27  Martin Jambor  <mjambor@suse.cz>
848
849         PR middle-end/43812
850         * ipa.c (dissolve_same_comdat_group_list): New function.
851         (function_and_variable_visibility): Call
852         dissolve_same_comdat_group_list when comdat group contains external or
853         newly local nodes.
854         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
855         lists are circular and that they contain only DECL_ONE_ONLY nodes.
856
857 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
858
859         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
860         (const_hash_1) <VECTOR_CST>: New case.
861         (compare_constant) <VECTOR_CST>: Likewise.
862         <ADDR_EXPR>: Deal with LABEL_REFs.
863         (copy_constant) <VECTOR_CST>: New case.
864
865 2010-04-27  Jan Hubicka  <jh@suse.cz>
866
867         * cgraph.c (cgraph_propagate_frequency): New function.
868         * cgraph.h (cgraph_propagate_frequency): Declare.
869         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
870         cgraph_propagate_frequency.
871
872 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
873
874         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
875
876 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
877
878         PR target/40657
879         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
880         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
881         here to determine which regs to push and how much stack to reserve.
882
883 2010-04-27  Jie Zhang  <jie@codesourcery.com>
884
885         * doc/gimple.texi (gimple_statement_with_ops): Remove
886         addresses_taken field.
887         (gimple_statement_with_memory_ops): Likewise.
888
889 2010-04-27  Jan Hubicka  <jh@suse.cz>
890
891         * tree-inline.c (eni_inlining_weights): Remove.
892         (estimate_num_insns): Special case more builtins.
893
894 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
895
896         PR c/32207
897         * c-typeck.c (build_binary_op): Move forward check for comparison
898         pointer with null pointer constant and adjust the diagnostic message.
899
900 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
901
902         PR lto/42776
903         * configure.ac (gcc_cv_as_section_has_align): Set if installed
904         binutils supports extended .section directive needed by LTO, or
905         warn if older binutils found.
906         (LTO_BINARY_READER): New AC_SUBST'd variable.
907         (LTO_USE_LIBELF): Likewise.
908         * gcc/config.gcc (lto_binary_reader): New target-specific configure
909         variable.
910         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
911         (LTO_USE_LIBELF): Likewise.
912         * configure: Regenerate.
913
914         * collect2.c (is_elf): Rename from this ...
915         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
916          object files in addition to ELF-formatted ones.
917         (scan_prog_file): Caller updated.  Also allow for LTO info marker
918         symbol to be prefixed or not by an extra underscore.
919
920         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
921         * config/i386/winnt.c: Also #include lto-streamer.h
922         (i386_pe_asm_named_section): Specify 1-byte section alignment for
923         LTO named sections.
924         (i386_pe_asm_output_aligned_decl_common): Add comment.
925         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
926
927 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
928
929         PR target/43889
930         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
931         Add missing earlyclobber for second alternative.
932
933 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
934
935         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
936         bits for artificial defs at the top of the block.
937         * fwprop.c (single_def_use_enter_block): Don't call it.
938
939 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
940
941         PR 43715
942         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
943         instead of "$gcc_cv_objdump -T".
944         Use "-undefined dynamic_lookup" on darwin.
945         * gcc/configure: Regenerate.
946
947 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
948
949         PR c/43893
950         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
951
952 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
953
954         * c-parser.c (struct c_token): Move location field up.
955         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
956         (struct c_declspecs): Convert typespec_word, storage_class, and
957         default_int_p into bitfields.
958         (struct c_declarator): Move loc field up.
959
960 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
961
962         * cfgloop.h (struct loop): Move can_be_parallel field up.
963         * ipa-prop.h (struct ip_node_params): Move bitfields up.
964         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
965         down.
966         (struct iv_cand): Convert pos field into a bitfield.
967         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
968         field up.
969         (struct _stmt_vec_info): Shuffle fields for better packing.
970
971 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
972
973         * varasm.c (IN_NAMED_SECTION): Remove guard.
974         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
975         (IN_NAMED_SECTION_P): ...this.
976         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
977         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
978
979 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
980
981         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
982         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
983         of shadowing it.  Fix comments.
984
985 2010-04-26  Jan Hubicka  <jh@suse.cz>
986
987         * cgraph.c (cgraph_create_node): Set node frequency to normal.
988         (cgraph_clone_node): Copy function frequency.
989         * cgraph.h (node_frequency): New enum
990         (struct cgraph_node): Add.
991         * final.c (rest_of_clean_state): Update.
992         * lto-cgraph.c (lto_output_node): Output node frequency.
993         (input_overwrite_node): Input node frequency.
994         * tre-ssa-loop-ivopts (computation_cost): Update.
995         * lto-streamer-out.c (output_function): Do not output function
996         frequency.
997         * predict.c (maybe_hot_frequency_p): Update and handle functions
998         executed once.
999         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1000         attribute lookup.
1001         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1002         (compute_function_frequency): Set noreturn functions to be executed
1003         once.
1004         (choose_function_section): Update.
1005         * lto-streamer-in.c (input_function): Do not input function frequency.
1006         * function.c (allocate_struct_function): Do not initialize function
1007         frequency.
1008         * function.h (function_frequency): Remove.
1009         (struct function): Remove function frequency.
1010         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1011         (try_update): Update.
1012         * tree-inline.c (initialize_cfun): Do not update function frequency.
1013         * passes.c (pass_init_dump_file): Update.
1014         * i386.c (ix86_compute_frame_layout): Update.
1015         (ix86_pad_returns): Update.
1016
1017 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1018
1019         PR tree-optimization/43833
1020         * tree-vrp.c (range_int_cst_p): New.
1021         (range_int_cst_singleton_p): New.
1022         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1023         when both operands are constants.  Use range_int_cst_p in
1024         BIT_IOR_EXPR case.
1025
1026 2010-04-26  Jan Hubicka  <jh@suse.cz>
1027
1028         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1029
1030 2010-04-26  Richard Guenther  <rguenther@suse.de>
1031
1032         PR lto/43080
1033         * gimple.c (gimple_decl_printable_name): Deal gracefully
1034         with a NULL DECL_NAME.
1035
1036 2010-04-26  Richard Guenther  <rguenther@suse.de>
1037
1038         PR lto/42425
1039         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1040         if emitting debug information and it is either a function
1041         or a namespace decl.
1042
1043 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1044
1045         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1046         determine if the statement is vectorizable, and a macro to access it.
1047         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1048         Skip statements that can't be vectorized. If the analysis fails,
1049         mark the statement as unvectorizable if vectorizing basic block.
1050         (vect_compute_data_refs_alignment): Likewise.
1051         (vect_verify_datarefs_alignment): Skip statements marked as
1052         unvectorizable. Add print.
1053         (vect_analyze_group_access): Skip statements that can't be
1054         vectorized. If the analysis fails, mark the statement as
1055         unvectorizable if vectorizing basic block.
1056         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1057         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1058         generated stmts for SLP.
1059         (new_stmt_vec_info): Initialize the new field.
1060         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1061         statements marked as unvectorizable.
1062
1063 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1064
1065         * c-common.c (flag_isoc1x): New.
1066         (flag_isoc99): Update comment.
1067         * c-common.h (flag_isoc1x): New.
1068         (flag_isoc99): Update comment.
1069         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1070         __<type>_DECIMAL_DIG__.
1071         * c-opts.c (set_std_c1x): New.
1072         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1073         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1074         * c.opt (-std=c1x, -std=gnu1x): New options.
1075         * doc/cpp.texi: Mention -std=c1x.
1076         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1077         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1078         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1079         * doc/standards.texi: Mention C1X.
1080         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1081         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1082         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1083         Define for C1X.
1084
1085 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1086
1087         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1088         placeholder from 0x%x to %#x.
1089         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1090         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1091         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1092         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1093         * config/i386/i386.c (ix86_target_string): Ditto.
1094         (output_pic_addr_const): Ditto.
1095         (print_operand): Ditto.
1096
1097 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1098
1099         * combine.c (find_split_point): Add third argument.  Use it
1100         to find nested multiply-accumulate instructions.  Adjust calls.
1101         (try_combine): Adjust call to find_split_point.
1102
1103 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1104
1105         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1106
1107 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1108
1109         PR tree-optimization/41442
1110         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1111         (fold_binary_loc): Call it.
1112
1113 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1114
1115         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1116         * opts.c (common_handle_option): Allow disabling it.
1117         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1118
1119 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1120
1121         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1122         between modes if both types are integral.
1123
1124 2010-04-23  Richard Guenther  <rguenther@suse.de>
1125
1126         PR tree-optimization/43572
1127         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1128
1129 2010-04-23  Richard Guenther  <rguenther@suse.de>
1130
1131         PR lto/43455
1132         * tree-inline.c (tree_can_inline_p): Also check compatibility
1133         of return types.
1134
1135 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1136
1137         PR tree-optimization/43846
1138         * tree-sra.c (struct access): New flag grp_assignment_read.
1139         (build_accesses_from_assign): Set grp_assignment_read.
1140         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1141         (enum mark_read_status): New type.
1142         (analyze_access_subtree): Propagate grp_assignment_read, create
1143         accesses also if both direct_read and root->grp_assignment_read.
1144
1145 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1146
1147         PR middle-end/43835
1148         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1149         function does not have type attributes.
1150
1151 2010-04-23  Richard Guenther  <rguenther@suse.de>
1152
1153         PR lto/42653
1154         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1155         of FUNCTION_DECLs.
1156
1157 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1158
1159         * sese.h (create_if_region_on_edge): Remove.
1160
1161         * sese.c (create_if_region_on_edge): Make static.
1162
1163         * tree-inline.c: Do not include ggc.h.
1164
1165         * expr.c: Do not include ggc.h.
1166
1167         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1168         dependencies.
1169
1170 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1171
1172         PR target/43744
1173         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1174         in the middle of insns for casesi_worker_2.
1175
1176 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1177
1178         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1179
1180 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1181
1182         PR tree-optimization/43842
1183         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1184         loop unrolling in update of exit phis. Fix comment.
1185         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1186         least two reduction statements in the loop before starting SLP
1187         analysis.
1188
1189 2010-04-22  Nick Clifton  <nickc@redhat.com>
1190
1191         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1192
1193 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1194
1195         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1196         to simplify a + ~a.
1197
1198 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1199
1200         * tree-parloops.c (loop_parallel_p): New argument
1201         parloop_obstack.  Pass it down.
1202         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1203         pass it down, free it.
1204
1205         * tree-loop-linear.c (linear_transform_loops): Pass down
1206         lambda_obstack.
1207
1208         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1209         of type struct obstack *.
1210
1211         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1212         scratch_obstack.  Initialize it, pass down, free it.
1213
1214         * lambda.h (lambda_loop_new): Remove.
1215         (lambda_matrix_new, lambda_matrix_inverse)
1216         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1217         argument of type struct obstack *.
1218
1219         * lambda-trans.c (lambda_trans_matrix_new): New argument
1220         lambda_obstack.  Pass it down, use obstack allocation for ret.
1221         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1222         it down.
1223
1224         * lambda-mat.c (lambda_matrix_get_column)
1225         (lambda_matrix_project_to_null): Remove.
1226         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1227         allocation for mat.
1228         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1229         lambda_obstack.
1230
1231         * lambda-code.c (lambda_loop_new): New function.
1232         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1233         (lambda_compute_auxillary_space, lambda_compute_target_space)
1234         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1235         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1236         (build_access_matrix): New argument lambda_obstack.  Use obstack
1237         allocation for am.
1238         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1239         argument lambda_obstack.  Pass it down.
1240
1241 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1242
1243         * optabs.h (expand_widening_mult): Declare.
1244
1245 2010-04-22  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/43845
1248         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1249         lookup the CALL_EXPR function and arguments.
1250
1251 2010-04-22  Nick Clifton  <nickc@redhat.com>
1252
1253         * config/stormy16/stormy16.c
1254         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1255         * config/stormy16/stormy16.h: Tidy up formatting.
1256         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1257         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1258         (ineqbranchsi): Delete pattern.
1259         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1260         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1261         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1262         stormy16-lib2-ucmpsi2.c.
1263
1264 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1265
1266         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1267         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1268         extra set merge_set_noclobber, and use it to relax the final test
1269         slightly.
1270         * df.h (df_simulate_find_noclobber_defs): Declare.
1271         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1272         conditional defs.
1273         (df_simulate_find_noclobber_defs): New function.
1274
1275 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1276
1277         * config/i386/i386.md: Use {} around multi-line preparation statements.
1278
1279 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1280
1281         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1282         (process_init_element): New argument of type struct obstack *.
1283
1284         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1285         (set_init_index, set_init_label, set_nonincremental_init)
1286         (set_nonincremental_init_from_string, find_init_member)
1287         (output_init_element, output_pending_init_elements)
1288         (process_init_element): New argument braced_init_obstack.  Pass it
1289         down.
1290         (push_range_stack, add_pending_init): New argument
1291         braced_init_obstack.  Use obstack allocation.
1292
1293         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1294         braced_init_obstack.  Pass it down.
1295         (c_parser_braced_init): New variables ret, braced_init_obstack.
1296         Initialize obstack, pass it down and finally free it.
1297
1298 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1299
1300         PR middle-end/29274
1301         * tree-pass.h (pass_optimize_widening_mul): Declare.
1302         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1303         gate_optimize_widening_mul): New static functions.
1304         (pass_optimize_widening_mul): New.
1305         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1306         <case MULT_EXPR>: Remove support for widening multiplies.
1307         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1308         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1309         simplify_gen_unary rather than directly building extensions.
1310         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1311         WIDEN_MULT_EXPR.
1312         * expmed.c (expand_widening_mult): New function.
1313         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1314
1315 2010-04-21  Jan Hubicka  <jh@suse.cz>
1316
1317         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1318         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1319         * lto-wpa-fixup.c: Remove.
1320         * Makefile.in (lto-wpa-fixup.o): Remove.
1321         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1322         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1323         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1324
1325 2010-04-21  Jan Hubicka  <jh@suse.cz>
1326
1327         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1328         add write_optimization_summary, read_optimization_summary.
1329         (ipa_write_summaries_of_cgraph_node_set): Remove.
1330         (ipa_write_optimization_summaries): Declare.
1331         (ipa_read_optimization_summaries): Declare.
1332         * ipa-cp.c (pass_ipa_cp): Update.
1333         * ipa-reference.c (pass_ipa_reference): Update.
1334         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1335         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1336         Update.
1337         * ipa-inline.c (pass_ipa_inline): Update.
1338         * ipa.c (pass_ipa_whole_program): Update.
1339         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1340         * passes.c (ipa_write_summaries_1): Do not test wpa.
1341         (ipa_write_optimization_summaries_1): New.
1342         (ipa_write_optimization_summaries): New.
1343         (ipa_read_summaries): Do not test ltrans.
1344         (ipa_read_optimization_summaries_1): New.
1345         (ipa_read_optimization_summaries): New.
1346
1347 2010-04-21  Jan Hubicka  <jh@suse.cz>
1348
1349         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1350         for boundary nodes.
1351         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1352
1353 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1354
1355         PR debug/40040
1356         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1357         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1358
1359 2010-04-21  Jan Hubicka  <jh@suse.cz>
1360
1361         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1362
1363 2010-04-21  Jan Hubicka  <jh@suse.cz>
1364
1365         * varpool.c (decide_is_variable_needed): Variable is always needed
1366         during ltrans.
1367
1368 2010-04-21  Jan Hubicka  <jh@suse.cz>
1369
1370         * opts.c (decode_options): Enable pure-const pass for whopr.
1371
1372 2010-04-21  Jan Hubicka  <jh@suse.cz>
1373
1374         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1375         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1376         at WPA dumping.
1377         (cgraph_decide_inlining): Do not expect callee to be removed in all
1378         cases.
1379
1380 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1381
1382         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1383
1384 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1385
1386         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1387         amdfam10_decode attributes.
1388
1389 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1390
1391         PR middle-end/43570
1392         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1393         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1394         (lower_copyprivate_clauses): Use private var in outer
1395         context instead of original var.  Make sure the types
1396         are correct for VLAs.
1397
1398 2010-04-21  Richard Guenther  <rguenther@suse.de>
1399
1400         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1401         to non-pointer objects.
1402
1403 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1404
1405         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1406         last chain entry if it starts with the still current label.
1407         (add_location_or_const_value_attribute): Check that
1408         loc_list->first->next is NULL instead of comparing ->first with ->last.
1409         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1410         to add_var_loc_to_decl.
1411
1412         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1413         >= 4 add also address size and segment size fields into CIE header.
1414
1415         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1416         long as address size is the same as sizeof (void *) and
1417         segment size is 0.
1418         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1419         address size or segment size is unexpected, return DW_EH_PE_omit.
1420         (classify_object_over_fdes): If get_cie_encoding returned
1421         DW_EH_PE_omit, return -1.
1422         (init_object): If classify_object_over_fdes returned -1,
1423         pretend there were no FDEs at all.
1424
1425 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1426
1427         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1428         bswap{si,di}2 using SWI48 mode iterator.
1429         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1430         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1431         set modrm attribute of bswap insn to 0 and remove length attribute.
1432         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1433         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1434         set mode attribute to <MODE> and remove length attribute.
1435
1436 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1437
1438         PR rtl-optimization/43520
1439         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1440         zero available registers.
1441
1442 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1443
1444         * builtins.c (fold_builtin_cproj): Fold more cases.
1445
1446 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1447
1448         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1449         (fold_builtin_1): Fold builtin cproj.
1450         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1451         Use ATTR_CONST_NOTHROW_LIST.
1452
1453 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1454
1455         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1456         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1457         ffsi2_no_cmove for !TARGET_CMOVE.
1458         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1459         (ffssi2): Remove expander.
1460         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1461         mode iterator.
1462         (ctz<mode>2): Ditto from ctz{si,di}2.
1463         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1464         mode iterator.
1465         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1466         mode iterator.
1467
1468 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1469
1470         * dwarf2out.c (AT_linkage_name): Define.
1471         (clone_as_declaration): Handle DW_AT_linkage_name.
1472         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1473         of DW_AT_MIPS_linkage_name.
1474         (move_linkage_attr): Likewise.
1475         (dwarf2out_finish): Likewise.
1476
1477 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1478
1479         PR middle-end/41952
1480         * fold-const.c (fold_comparison): New folding rule.
1481
1482 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1483
1484         * double-int.h (double_int_setbit): Declare.
1485         * double-int.c (double_int_setbit): New function.
1486         * rtl.h (immed_double_int_const): Declare.
1487         * emit-rtl.c (immed_double_int_const): New function.
1488         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1489         and immed_double_int_const functions.
1490         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1491         expand_copysign_bit):  (Ditto.).
1492         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1493         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1494         * dojump.c (prefer_and_bit_test): (Ditto.).
1495         * expr.c (convert_modes, reduce_to_bit_field_precision,
1496         const_vector_from_tree): (Ditto.).
1497         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1498
1499 2010-04-20  Jan Hubicka  <jh@suse.cz>
1500
1501         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1502         (dump_cgraph_node): Dump new flags.
1503         * cgraph.h (struct cgraph_node): Add flags
1504         reachable_from_other_partition and in_other_partition.
1505         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1506         other partition can not be removed.
1507         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1508         the other partition must be output; silence sanity checking on
1509         leaking functions bodies from other paritition.
1510         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1511         (lto_output_node): Output new flags; do not sanity check that inline
1512         clones are output; drop lto_forced_extern_inline_p code; do not mock
1513         visibility flags at partition boundaries.
1514         (add_node_to): New function.
1515         (output_cgraph): Use it to sort functions so masters appear before
1516         clones.
1517         (input_overwrite_node): Input new flags.
1518         * passes.c (ipa_write_summaries): Do not call
1519         lto_new_extern_inline_states.
1520         * lto-section-out.c (forced_extern_inline,
1521         lto_new_extern_inline_states lto_delete_extern_inline_states,
1522         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1523         * lto-streamer.h (lto_new_extern_inline_states,
1524         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1525         lto_forced_extern_inline_p): Kill.
1526
1527 2010-04-20  Richard Guenther  <rguenther@suse.de>
1528
1529         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1530         from vars that can have pointers.
1531         (process_constraint): Dump useless constraints.
1532
1533 2010-04-20  Richard Guenther  <rguenther@suse.de>
1534
1535         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1536         (dump_sa_points_to_info): Remove asserts.
1537         (init_base_vars): nothing_id isn't an escape point nor does it
1538         have pointers.
1539
1540 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1541
1542         * tree.h (TYPE_REF_IS_RVALUE): Define.
1543         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1544         should_move_die_to_comdat, prune_unused_types_walk): Handle
1545         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1546         (modified_type_die, gen_reference_type_die): Emit
1547         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1548         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1549
1550 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1551
1552         PR target/43635
1553         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1554         calls for -fpic -m31 if they have been sibcall optimized.
1555
1556 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1557
1558         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1559         ar.lc fixed and call-used.
1560
1561         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1562
1563 2010-04-19  Jan Hubicka  <jh@suse.cz>
1564
1565         * opts.c (decode_options): Disable whpr incompatible passes.
1566         * lto/lto.c (lto_1_to_1_map): Skip clones.
1567         (read_cgraph_and_symbols): Do not mark everything as needed.
1568         (do_whole_program_analysis): Do map only after optimizing;
1569         set proper cgraph_state; use passmanager.
1570
1571 2010-04-19  DJ Delorie  <dj@redhat.com>
1572
1573         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1574         POINTER_PLUS_EXPR and fix them.
1575
1576 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1577
1578         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1579         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1580         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1581         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1582         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1583         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1584         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1585         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1586         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1587         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1588         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1589
1590 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1591
1592         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1593         (check_cond_move_block): Likewise.
1594         (cond_move_process_if_block): Likewise.
1595         (noce_find_if_block): Improve formatting.
1596         (find_if_header): Pass 0 to memset and tweak conditions.
1597         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1598
1599 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1600
1601         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1602         for -gdwarf-4.
1603
1604         PR middle-end/43337
1605         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1606         with non-local decl doesn't need chain.
1607
1608 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1609
1610         * ira-color.c (allocno_reload_assign): Avoid accumulating
1611         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1612
1613 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1614
1615         * gimple.h (create_tmp_reg): Declare.
1616         * gimplify.c (create_tmp_reg): New function.
1617         (gimplify_return_expr): Use create_tmp_reg.
1618         (gimplify_omp_atomic): Likewise.
1619         (gimple_regimplify_operands): Likewise.
1620         * tree-dfa.c (make_rename_temp): Likewise.
1621         * tree-predcom.c (predcom_tmp_var): Likewise.
1622         (reassociate_to_the_same_stmt): Likewise.
1623         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1624         (get_replaced_param_substitute): Likewise.
1625         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1626         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1627         * tree-ssa-pre.c (get_representative_for): Likewise.
1628         (create_expression_by_pieces): Likewise.
1629         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1630         (create_tailcall_accumulator): Likewise.
1631
1632 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1633
1634         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1635         new_stmt.
1636         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1637
1638 2010-04-19  Richard Guenther  <rguenther@suse.de>
1639
1640         PR tree-optimization/43796
1641         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1642         from SCEV in the lattice.
1643         (vrp_visit_phi_node): Dump change.
1644
1645 2010-04-19  Richard Guenther  <rguenther@suse.de>
1646
1647         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1648         * configure: Re-generated.
1649
1650 2010-04-19  Richard Guenther  <rguenther@suse.de>
1651
1652         PR tree-optimization/43783
1653         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1654         constant ARRAY_REF operands two and three if possible.
1655
1656 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1657
1658         PR target/43766
1659         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1660
1661 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1662
1663         PR target/43662
1664         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1665
1666 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1667
1668         PR tree-optimization/37027
1669         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1670         and macro to access it.
1671         (vectorizable_reduction): Add argument.
1672         (vect_get_slp_defs): Likewise.
1673         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1674         statements for possible use in SLP.
1675         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1676         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1677         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1678         add new argument.
1679         (vectorizable_reduction): Likewise.
1680         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1681         vect_get_slp_defs.
1682         (vectorizable_type_demotion, vectorizable_type_promotion,
1683         vectorizable_store): Likewise.
1684         (vect_analyze_stmt): Update call to vectorizable_reduction.
1685         (vect_transform_stmt): Likewise.
1686         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1687         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1688         from different interleaving chains in same node.
1689         (vect_slp_rearrange_stmts): New function.
1690         (vect_supported_load_permutation_p): Allow load permutations for
1691         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1692         inside SLP nodes if necessary.
1693         (vect_analyze_slp_instance): Handle reductions.
1694         (vect_analyze_slp): Try to build SLP instances originating from groups
1695         of reductions.
1696         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1697         (vect_get_constant_vectors): Create initial vectors for reductions
1698         according to reduction code. Add new argument.
1699         (vect_get_slp_defs): Add new argument, pass it to
1700         vect_get_constant_vectors.
1701         (vect_schedule_slp_instance): Remove SLP tree root statements.
1702
1703 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1704
1705         * tree.h (ENUM_IS_SCOPED): Define.
1706         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1707         for ENUM_IS_SCOPED enums.
1708
1709 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1710
1711         * fold-const.c (fold_comparison): Use ssizetype.
1712         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1713         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1714         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1715         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1716
1717         * tree.h (initialize_sizetypes): Remove parameter.
1718         (build_common_tree_nodes): Remove second parameter.
1719         * stor-layout.c (initialize_sizetypes): Remove parameter.
1720         Always create an unsigned type.
1721         (set_sizetype): Assert that the passed type is unsigned and simplify.
1722         * tree.c (build_common_tree_nodes): Remove second parameter.
1723         Adjust call to initialize_sizetypes.
1724         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1725         build_common_tree_nodes.
1726
1727 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1728
1729         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1730
1731 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1732
1733         PR tree-optimization/43771
1734         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1735         load permutation doesn't have gaps.
1736
1737 2010-04-18  Jan Hubicka  <jh@suse.cz>
1738
1739         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1740         (sse_prologue_save_insn expander): Use new pattern.
1741         (sse_prologue_save_insn1): New pattern and splitter.
1742         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1743         blocks.
1744         * i386.c (setup_incoming_varargs_64): Do not compute jump
1745         destination here.
1746         (ix86_gimplify_va_arg): Update alignment needed.
1747         (ix86_local_alignment): Do not align all local arrays to 128bit.
1748
1749 2010-04-17  Jan Hubicka  <jh@suse.cz>
1750
1751         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1752
1753 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1754
1755         * arm.md (negdi2): Remove redundant code to force values into a
1756         register.
1757
1758 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1759
1760         * arm/bpabi.S: Add EABI alignment attributes to objects.
1761         * arm/bpabi-v6m.S: Likewise.
1762         * arm/crti.asm: Likewise.
1763         * arm/crtn.asm: Likewise.
1764         * arm/lib1funcs.asm: Likewise.
1765         * arm/libunwind.S: Likewise.
1766
1767 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1768
1769         * arm-protos.h (tune_params): New structure.
1770         * arm.c (current_tune): New variable.
1771         (arm_constant_limit): Delete.
1772         (struct processors): Add pointer to the tune parameters.
1773         (arm_slowmul_tune): New tuning option.
1774         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1775         (all_cores): Adjust to pick up the tuning model.
1776         (arm_constant_limit): New function.
1777         (arm_override_options): Select the appropriate tuning model.  Delete
1778         initialization of arm_const_limit.
1779         (arm_split_constant): Use the new constant-limit model.
1780         (arm_rtx_costs): Pick up the current tuning model.
1781         * arm.md (is_strongarm, is_xscale): Delete.
1782         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1783         for Xscale variant architectures.
1784         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1785
1786 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1787
1788         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1789         can_shift.
1790         (arm_rtx_costs_1): Remove unused variable extra_cost.
1791         (arm_unwind_emit_set): Use variable offset.
1792         (thumb1_output_casesi): Remove unused variable flags.
1793
1794 2010-04-16  Jeff Law  <law@redhat.com>
1795
1796         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1797         needing assignment rather than doing a two-phase assignment.  Remove
1798         unused variable 'm'.
1799
1800 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1801
1802         PR bootstrap/43767
1803         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1804
1805 2010-04-16  Doug Kwan  <dougkwan@google.com>
1806
1807         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1808         (next_operand_entry_id): New static variable.
1809         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1810         (add_to_ops_vec): Assigned unique ID to operand entry.
1811         (struct oecount_s): New field ID.
1812         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1813         (undistribute_ops_list): Assign unique IDs to oecounts.
1814         (init_reassoc): reset next_operand_entry_id.
1815
1816 2010-04-16  Doug Kwan  <dougkwan@google.com>
1817
1818         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1819         missing left parenthesis.
1820
1821 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1822
1823         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1824         *btdi_rex64 using SWI48 mode iterator.
1825         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1826         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1827         *jcc_btdi_mask_rex64.
1828
1829 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1830
1831         * double-int.h (tree_to_double_int): Convert to macro.
1832         * double-int.c (tree_to_double_int): Remove.
1833
1834 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1835
1836         PR debug/43762
1837         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1838         with want_address 2 and in case a single element list might be
1839         possible, call it again with want_address 0.
1840
1841 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1842
1843         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1844         case 'W' print operands for HI mode.
1845         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1846         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1847         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1848         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1849
1850         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1851
1852         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1853         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1854         #xx:3 and #xx:4 mode.
1855
1856         * config/h8300/h8300.md (inverted load with HImode dest): Add
1857         support for H8300SX.
1858
1859         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1860         satisfy 'U' constraint.
1861
1862 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1863
1864         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1865         * configure: Regenerate.
1866         * config.in: Regenerate.
1867         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1868         works.
1869
1870 2010-04-16  Richard Guenther  <rguenther@suse.de>
1871
1872         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1873         (struct tree_decl_common): ... here.
1874         (DECL_PT_UID): Adjust.
1875         (SET_DECL_PT_UID): Likewise.
1876         (DECL_PT_UID_SET_P): Likewise.
1877
1878 2010-04-16  Richard Guenther  <rguenther@suse.de>
1879
1880         PR tree-optimization/43572
1881         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1882         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1883         * tree-flow.h (is_call_clobbered): Remove.
1884         * tree-flow-inline.h (is_call_clobbered): Likewise.
1885         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1886         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1887         (execute_return_slot_opt): Adjust.
1888         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1889         check for call clobbered vars here.
1890         (find_tail_calls): Move tailcall verification to the
1891         proper place.
1892
1893 2010-04-16  Diego Novillo  <dnovillo@google.com>
1894
1895         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1896
1897 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1898
1899         PR target/40603
1900         * config/arm/arm.md (cbranchqi4): New pattern.
1901         * config/arm/predicates.md (const0_operand,
1902         cbranchqi4_comparison_operator): New predicates.
1903
1904 2010-04-16  Richard Guenther  <rguenther@suse.de>
1905
1906         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1907         (dump_gimple_stmt): Likewise.
1908
1909 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1910
1911         * recog.h (struct recog_data): New field is_operator.
1912         (struct insn_operand_data): New field is_operator.
1913         * recog.c (extract_insn): Set recog_data.is_operator.
1914         * genoutput.c (output_operand_data): Emit code to set the
1915         is_operator field.
1916         * reload.c (find_reloads): Use it rather than testing for an
1917         empty constraint string.
1918
1919         PR target/41514
1920         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1921         If the previous insn is a cbranchsi4_insn with the same arguments,
1922         omit the compare instruction.
1923
1924         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1925         register, inputs must be low registers and we need a low register
1926         scratch.  Handle alternative 2 like alternative 3.
1927
1928 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1929
1930         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1931         don't call get_addr on both.  If one expression is a VALUE and
1932         the other a REG, check VALUE's locs if the REG isn't among them.
1933
1934 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1935
1936         * config/sh/sh.h (sh_frame_pointer_required): New function.
1937         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1938         (flag_omit_frame_pointer) Set.
1939         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1940         (rounded_frame_size): Adjust size with outgoing_args_size.
1941         (sh_set_return_address): Must return from stack pointer.
1942         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1943         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1944         (ACCUMULATE_OUTGOING_ARGS): Define.
1945         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1946         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1947
1948 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1949
1950         PR target/43471
1951         * config/sh/sh.c (sh_legitimize_reload_address): Use
1952         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1953         Remove a unneeded check for offset_base.
1954
1955 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1956
1957         * configure: Regenerated.
1958
1959 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1960
1961         * config/s390/s390.c (s390_call_save_register_used): Switch back
1962         to HARD_REGNO_NREGS.
1963
1964 2010-04-15  Richard Guenther  <rguenther@suse.de>
1965
1966         * alias.c (alias_set_subset_of): Handle alias-set zero
1967         child properly.
1968
1969 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1970             Julian Brown  <julian@codesourcery.com>
1971
1972         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1973         alternatives according to use of high and low regs.
1974         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1975         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1976         optimizing for size on Thumb-2.
1977
1978 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1979
1980         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1981
1982 2010-04-15  Richard Guenther  <rguenther@suse.de>
1983
1984         * tree-ssa-structalias.c (struct variable_info): Add
1985         is_fn_info flag.
1986         (new_var_info): Initialize it.
1987         (dump_constraints): Support printing last added constraints.
1988         (debug_constraints): Adjust.
1989         (dump_constraint_graph): Likewise.
1990         (make_heapvar_for): Check for NULL cfun.
1991         (get_function_part_constraint): New function.
1992         (get_fi_for_callee): Likewise.
1993         (find_func_aliases): Properly implement IPA PTA constraints.
1994         (process_ipa_clobber): New function.
1995         (find_func_clobbers): Likewise.
1996         (insert_into_field_list_sorted): Remove.
1997         (create_function_info_for): Properly allocate vars for IPA mode.
1998         Do not use insert_into_field_list_sorted.
1999         (create_variable_info_for): Properly generate constraints for
2000         global vars in IPA mode.
2001         (dump_solution_for_var): Always dump the solution.
2002         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2003         (find_what_var_points_to): Adjust.
2004         (pt_solution_set): Change.
2005         (pt_solution_ior_into): New function.
2006         (pt_solution_empty_p): Export.
2007         (pt_solution_includes_global): Adjust.
2008         (pt_solution_includes_1): Likewise.
2009         (pt_solutions_intersect_1): Likewise.
2010         (dump_sa_points_to_info): Check some invariants.
2011         (solve_constraints): Move constraint dumping ...
2012         (compute_points_to_sets): ... here.
2013         (ipa_pta_execute): ... and here.
2014         (compute_may_aliases): Do not re-compute points-to info
2015         locally if IPA info is available.
2016         (ipa_escaped_pt): New global var.
2017         (ipa_pta_execute): Properly implement IPA PTA.
2018         * tree-into-ssa.c (dump_decl_set): Support dumping
2019         decls not in referenced-vars.
2020         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2021         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2022         (dump_points_to_solution): Likewise.
2023         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2024         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2025         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2026         (copy_decl_to_var): Copy DECL_PT_UID.
2027         (copy_result_decl_to_var): Likewise.
2028         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2029         (copy_node_stat): Copy it.
2030         * tree.h (DECL_PT_UID): New macro.
2031         (SET_DECL_PT_UID): Likewise.
2032         (DECL_PT_UID_SET_P): Likewise.
2033         (struct tree_decl_minimal): Add pt_uid member.
2034         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2035         (pt_solution_empty_p): Declare.
2036         (pt_solution_set): Adjust.
2037         (ipa_escaped_pt): Declare.
2038         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2039         * gimple-pretty-print.c (pp_points_to_solution): New function.
2040         (dump_gimple_call): Dump call clobber/use information.
2041         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2042         * tree-pass.h (TDF_ALIAS): New dump option.
2043         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2044         * doc/invoke.texi (-fipa-pta): Update documentation.
2045
2046 2010-04-15  Richard Guenther  <rguenther@suse.de>
2047
2048         * Makefile.in (OBJS-common): Add gimple-fold.o.
2049         (gimple-fold.o): New rule.
2050         * tree.h (maybe_fold_offset_to_reference,
2051         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2052         prototypes ...
2053         * gimple.h: ... here.
2054         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2055         may_propagate_address_into_dereference): Move prototypes ...
2056         * gimple.h: ... here.
2057         * tree-ssa-ccp.c (get_symbol_constant_value,
2058         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2059         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2060         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2061         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2062         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2063         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2064         gimplify_and_update_call_from_tree): Move ...
2065         * gimple-fold.c: ... here.  New file.
2066         (ccp_fold_builtin): Rename to ...
2067         (gimple_fold_builtin): ... this.
2068         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2069
2070 2010-04-15  Richard Guenther  <rguenther@suse.de>
2071
2072         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2073         fit_double_type, force_fit_type_double, add_double_with_sign,
2074         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2075         lrotate_double, rrotate_double, div_and_round_double): Move ...
2076         * double-int.c: ... here.
2077         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2078         add_double, neg_double, mul_double_with_sign, mul_double,
2079         lshift_double, rshift_double, lrotate_double, rrotate_double,
2080         div_and_round_double): Move prototypes ...
2081         * double-int.h: ... here.
2082
2083 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2084
2085         PR target/43742
2086         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2087         matching constraints to ensure inputs match the output.
2088
2089 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2090
2091         PR target/43742
2092         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2093         in an input-only operand.
2094
2095 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2096
2097         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2098         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2099         (double_int_negative_p): Convert to static inline function.
2100         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2101         (double_int_negative_p): Remove.
2102         * tree.h (lshift_double, rshift_double):
2103         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2104         * fold-const.c (fold_convert_const_int_from_real,
2105         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2106         (lshift_double): Change type of arith argument to bool.
2107         (rshift_double): Change type of arith argument to bool. Correct
2108         comment.
2109         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2110
2111 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2112
2113         PR target/21803
2114         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2115         at the start and end of the then/else blocks, and omit them from the
2116         conversion.
2117         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2118         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2119         (flow_find_head_matching_sequence): New function.
2120         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2121         * basic-block.h (flow_find_cross_jump,
2122         flow_find_head_matching_sequence): Declare functions.
2123
2124 2010-04-14  Jason Merrill  <jason@redhat.com>
2125
2126         PR c++/36625
2127         * c-common.c (attribute_takes_identifier_p): New fn.
2128         * c-common.h: Declare it.
2129
2130 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2131
2132         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2133         splitter condition.
2134         (*udivmod<mode>4): Ditto.
2135
2136 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2137
2138         * config/i386/i386.md (maxmin_int): Rename code attribute from
2139         maxminiprefix and update all users.
2140         (maxmin_float): Ditto from maxminfprefix.
2141         (logic): Ditto from logicprefix.
2142         (absneg_mnemonic): Ditto from absnegprefix.
2143         * config/i386/mmx.md: Update all users of maxminiprefix,
2144         maxminfprefix and logicprefix for rename.
2145         * config/i386/sse.md: Ditto.
2146         * config/i386/sync.md (sync_<code><mode>): Update for
2147         logicprefix rename.
2148
2149 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2150
2151         PR 42966
2152         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2153         warnings converted to errors.
2154
2155 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2156
2157         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2158         used insn_type variable.
2159         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2160         to avoid set-but-not-used warning.
2161
2162 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2163
2164         * df-core.c (df_ref_debug): Change format string placeholder
2165         from 0x%x to %#x.
2166         * dwarf2asm.c (dw2_asm_output_data_raw,
2167         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2168         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2169         * dwarf2out.c (output_cfi, output_cfi_directive,
2170         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2171         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2172         Ditto.
2173         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2174         * print-rtl.c (print_rtx): Ditto.
2175
2176 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2177
2178         PR middle-end/42694
2179         * builtins.c (expand_builtin_pow_root): New function to expand pow
2180         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2181         series of sqrt and cbrt calls under -ffast-math.
2182         (expand_builtin_pow): Call it.
2183
2184 2010-04-14  Michael Matz  <matz@suse.de>
2185
2186         PR tree-optimization/42963
2187         * tree-cfg.c (touched_switch_bbs): New static variable.
2188         (group_case_labels_stmt): New function broken out from ...
2189         (group_case_labels): ... here, use the above.
2190         (start_recording_case_labels): Allocate touched_switch_bbs.
2191         (end_recording_case_labels): Deallocate it, call
2192         group_case_labels_stmt.
2193         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2194
2195 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2196
2197         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2198         from insn template.
2199
2200 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2201
2202         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2203
2204 2010-04-13  Jan Hubicka  <jh@suse.cz>
2205
2206         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2207         of optimized out static functions.
2208         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2209         cost computation.  Also sanity check for overflows.
2210         (update_caller_keys): Update cgraph_edge_badness call; properly
2211         update fibheap and sanity check that it is up to date.
2212         (add_new_edges_to_heap): Update cgraph_edge_badness.
2213         (cgraph_decide_inlining_of_small_function): Likewise;
2214         add sanity checking that badness in heap is up to date;
2215         improve dumping of reason; Update badness of calls to the
2216         offline copy of function currently inlined; dump badness
2217         of functions not inlined because of unit growth limits.
2218
2219 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2220
2221         PR middle-end/32628
2222         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2223         because of sign-extension change when converting to sizetype here...
2224         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2225
2226         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2227         the folding to constants.  Remove redundant final conversion.
2228         (fold_binary) <associate>: Do not associate if the re-association of
2229         constants alone overflows.
2230         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2231         to the end of the list.
2232         (multiple_of_p) <COND_EXPR>: New case.
2233
2234 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2235
2236         * opt-functions.awk (opt_sanitized_name): New.
2237         (opt_enum): New.
2238         * optc-gen.awk: Use it
2239         * opth-gen.awk: Use it.
2240
2241 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2242
2243         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2244         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2245         children.  Call replace_uses_with_default_def_ssa_name to handle
2246         SSA_NAES on lhs.
2247
2248 2010-04-13  Michael Matz  <matz@suse.de>
2249
2250         PR middle-end/43730
2251         * builtins.c (expand_builtin_interclass_mathfn): Also create
2252         a register if the predicate doesn't match.
2253
2254 2010-04-13  Diego Novillo  <dnovillo@google.com>
2255
2256         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2257         * c-pch.c: Include timevar.h.
2258         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2259         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2260         * ggc-common.c: Include timevar.h.
2261         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2262         * timevar.def (TV_PCH_SAVE): Define.
2263         (TV_PCH_CPP_SAVE): Define.
2264         (TV_PCH_PTR_REALLOC): Define.
2265         (TV_PCH_PTR_SORT): Define.
2266         (TV_PCH_RESTORE): Define.
2267         (TV_PCH_CPP_RESTORE): Define.
2268
2269 2010-04-13  Michael Matz  <matz@suse.de>
2270
2271         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2272         into MINUS_EXPRs.
2273         (can_reassociate_p): New function.
2274         (break_up_subtract_bb, reassociate_bb): Use it.
2275
2276 2010-04-13  Richard Guenther  <rguenther@suse.de>
2277
2278         PR bootstrap/43737
2279         * builtins.c (c_readstr): Fix assert.
2280
2281 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2282
2283         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2284         when generating cltd insn.
2285
2286         (*ashl<mode>3_1): Remove special handling for register operand 2.
2287         (*ashlsi3_1_zext): Ditto.
2288         (*ashlhi3_1): Ditto.
2289         (*ashlhi3_1_lea): Ditto.
2290         (*ashlqi3_1): Ditto.
2291         (*ashlqi3_1_lea): Ditto.
2292         (*<shiftrt_insn><mode>3_1): Ditto.
2293         (*<shiftrt_insn>si3_1_zext): Ditto.
2294         (*<shiftrt_insn>qi3_1_slp): Ditto.
2295         (*<rotate_insn><mode>3_1): Ditto.
2296         (*<rotate_insn>si3_1_zext): Ditto.
2297         (*<rotate_insn>qi3_1_slp): Ditto.
2298
2299 2010-04-13  Richard Guenther  <rguenther@suse.de>
2300
2301         * tree-ssa-structalias.c (callused_id): Remove.
2302         (call_stmt_vars): New.
2303         (get_call_vi): Likewise.
2304         (lookup_call_use_vi): Likewise.
2305         (lookup_call_clobber_vi): Likewise.
2306         (get_call_use_vi): Likewise.
2307         (get_call_clobber_vi): Likewise.
2308         (make_transitive_closure_constraints): Likewise.
2309         (handle_const_call): Adjust to do per-call call-used handling.
2310         (handle_pure_call): Likewise.
2311         (find_what_var_points_to): Remove general callused handling.
2312         (init_base_vars): Likewise.
2313         (init_alias_vars): Initialize call_stmt_vars.
2314         (compute_points_to_sets): Process call-used and call-clobbered
2315         vars for call statements.
2316         (delete_points_to_sets): Free call_stmt_vars.
2317
2318 2010-04-13  Richard Guenther  <rguenther@suse.de>
2319
2320         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2321         Only add RW dependence for dependence distance zero.
2322         Adjust maximal vectorization factor according to dependences.
2323         Move alignment handling ...
2324         (vect_find_same_alignment_drs): ... here.  New function.
2325         (vect_analyze_data_ref_dependences): Adjust.
2326         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2327         (vect_analyze_data_refs): Adjust minimal vectorization factor
2328         according to data references.
2329         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2330         dependences before determining the vectorization factor.
2331         Analyze alignment after determining the vectorization factor.
2332         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2333         dependences before alignment.
2334         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2335         Adjust prototype.
2336         (vect_analyze_data_refs): Likewise.
2337         (MAX_VECTORIZATION_FACTOR): New define.
2338
2339 2010-04-13  Duncan Sands  <baldrick@free.fr>
2340
2341         * except.h (lang_eh_type_covers): Remove.
2342         * except.c (lang_eh_type_covers): Likewise.
2343
2344 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2345             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2346
2347         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2348         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2349         UNITS_PER_LONG where it is ABI relevant.
2350         (s390_return_addr_rtx): Likewise.
2351         (s390_back_chain_rtx): Likewise.
2352         (s390_frame_area): Likewise.
2353         (s390_frame_info): Likewise.
2354         (s390_initial_elimination_offset): Likewise.
2355         (save_gprs): Likewise.
2356         (s390_emit_prologue): Likewise.
2357         (s390_emit_epilogue): Likewise.
2358         (s390_function_arg_advance): Likewise.
2359         (s390_function_arg): Likewise.
2360         (s390_va_start): Likewise.
2361         (s390_gimplify_va_arg): Likewise.
2362         (s390_function_profiler): Likewise.
2363         (s390_optimize_prologue): Likewise.
2364         (s390_rtx_costs): Likewise.
2365         (s390_secondary_reload): Likewise.
2366         (s390_promote_function_mode): Likewise.
2367         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2368         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2369         registers available.
2370         (s390_unwind_word_mode): New function.
2371         (s390_function_value): Split 64 bit values into register pair if
2372         used as return value.
2373         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2374         function call parameters.  Handle parallels.
2375         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2376         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2377         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2378         (s390_expand_setmem): Remove unused variable src_addr.
2379         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2380         deal with 64 bit registers.
2381         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2382         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2383         (UNITS_PER_LONG): New macro.
2384         * libjava/include/s390-signal.h: Define extended ucontext
2385         structure containing the upper halfs of the 64 bit registers.
2386
2387 2010-04-13  Simon Baldwin  <simonb@google.com>
2388
2389         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2390
2391 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2392
2393         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2394         rvalue on the RHS if the LHS is of a non-renamable type.
2395         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2396
2397 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2398
2399         * gcc.c (cc1_options): Handle -iplugindir before processing
2400         the cc1 spec. Only add -iplugindir once.
2401         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2402         found.
2403         * common.opt (iplugindir): Remove `Separate' property, initialize.
2404         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2405         option.
2406         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2407         (distclean): Remove plugin dir.
2408         * doc/invoke.texi: Document -iplugindir.
2409
2410 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2411
2412         * doc/plugins.texi (Loading Plugins): Document short
2413         -fplugin=foo option.
2414         (Plugin API): Mention default_plugin_dir_name function.
2415
2416         * gcc.c (find_file_spec_function): Add new declaration.
2417         (static_spec_func): Use it for "find-file".
2418         (find_file_spec_function): Add new function.
2419         (cc1_options): Add -iplugindir option if -fplugin* options found.
2420
2421         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2422
2423         * plugin.c (add_new_plugin): Updated comment, and handle short
2424         plugin name.
2425         (default_plugin_dir_name): Added new function.
2426
2427         * common.opt (iplugindir): New option to set the plugin directory.
2428
2429 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2430
2431         * config/i386/i386.md (any_rotate): New code iterator.
2432         (rotate_insn): New code attribute.
2433         (rotate): Ditto.
2434         (SWIM124): New mode iterator.
2435         (<rotate_insn>ti3): New expander.
2436         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2437         any_rotate code iterator.
2438         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2439         using any_rotate code iterator and SWIM124 mode iterator.
2440         (ix86_rotlti3): New insn_and_split pattern.
2441         (ix86_rotrti3): Ditto.
2442         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2443         ix86_rotl{di,ti}3 patterns.
2444         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2445         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2446         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2447         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2448         code iterator and SWI mode iterator.
2449         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2450         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2451         code iterator.
2452         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2453         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2454         (bswap rotatert splitter): Add splitter.
2455         (bswap splitter): Macroize splitter using any_rotate code iterator.
2456         Add insn predicate to split only for TARGET_USE_XCHGB or when
2457         optimizing function for size.
2458
2459 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2460
2461         * config/pa/pa.c (emit_move_sequence): Remove use of
2462         deleted variable flag_argument_noalias.
2463
2464 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2465
2466         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2467         configurations.
2468         Add to unsupported targets list.
2469         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2470         sparc*-sun-solaris2.[567]* from target lists.
2471         * configure: Regenerate.
2472         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2473         removal.
2474         Remove Solaris 7 patch references.
2475         (Specific, sparc-sun-solaris2.7): Removed.
2476         (sparc-sun-solaris2*): Update Solaris 7 example.
2477         (sparc64-*-solaris2*): Likewise.
2478
2479 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2480
2481         * config.build (alpha*-dec-osf4*): Remove.
2482         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2483         of obsolete configurations.
2484         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2485         support.
2486         * config/alpha/t-osf4: Renamed to ...
2487         * config/alpha/t-osf5: ... this.
2488         * config/alpha/osf.h: Renamed to ...
2489         * config/alpha/osf5.h: ... this.
2490         Merged old osf5.h contents.
2491         Update comments.
2492         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2493         (EXTRA_SPECS): Removed.
2494         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2495         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2496         Document that.
2497
2498 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2499
2500         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2501
2502 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2503
2504         PR/43702
2505         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2506         __thiscall convention.
2507
2508 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2509
2510         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2511         orig_base.
2512         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2513
2514 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2515
2516         * function.c (assign_parms_initialize_all): Add unused attribute
2517         to fntype.
2518
2519 2010-04-12  Richard Guenther  <rguenther@suse.de>
2520
2521         * gsstruct.def (GSS_CALL): New.
2522         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2523         * gimple.h: Include tree-ssa-alias.h.
2524         (struct gimple_statement_call): New.
2525         (union gimple_statement_struct_d): Add gimple_call member.
2526         (gimple_call_reset_alias_info): Declare.
2527         (gimple_call_use_set): New function.
2528         (gimple_call_clobber_set): Likewise.
2529         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2530         * gimple.c (gimple_call_reset_alias_info): New function.
2531         (gimple_build_call_1): Call it.
2532         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2533         * tree-inline.c (remap_gimple_stmt): Likewise.
2534         (expand_call_inline): Remove callused handling.
2535         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2536         * tree-dfa.c (dump_variable): Likewise.
2537         * tree-parloops.c (parallelize_loops): Likewise.
2538         * tree-ssa.c (init_tree_ssa): Likewise.
2539         (delete_tree_ssa): Likewise.
2540         * tree-flow-inline.h (is_call_used): Remove.
2541         * tree-flow.h (struct gimple_df): Remove callused member.
2542         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2543         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2544         (ref_maybe_used_by_call_p_1): Simplify.
2545         (call_may_clobber_ref_p_1): Likewise.
2546         * tree-ssa-structalias.c (compute_points_to_sets): Set
2547         the call stmt used and clobbered sets.
2548         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2549         (find_tail_calls): Verify the tail call.
2550
2551 2010-04-12  Richard Guenther  <rguenther@suse.de>
2552
2553         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2554         single-iteration always-inline inlining.
2555         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2556         (cgraph_decide_inlining): Do not handle always-inline specially.
2557         (try_inline): Remove always-inline cycle detection special case.
2558         Do not recurse on always-inlines.
2559         (cgraph_early_inlining): Do not iterate if not optimizing.
2560         (cgraph_gate_early_inlining): remove.
2561         (pass_early_inline): Run unconditionally.
2562         (gate_cgraph_decide_inlining): New function.
2563         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2564         not inlining or optimizing.
2565         (cgraph_decide_inlining_of_small_functions): Also consider
2566         always-inline functions.
2567         (cgraph_default_inline_p): Return true for nodes which should
2568         disregard inline limits.
2569         (estimate_function_body_sizes): Assume zero size and time for
2570         nodes which are marked as disregarding inline limits.
2571         (cgraph_decide_recursive_inlining): Do not perform recursive
2572         inlining on always-inline nodes.
2573
2574 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR bootstrap/43699
2577         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2578         for exprs satisfying handled_component_p.
2579
2580 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2581
2582         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2583         non-constant aggregate elements.
2584
2585         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2586         is a real initialization.
2587
2588 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2589
2590         PR c/36774
2591         * c-decl.c (start_function): Move forward check for nested function.
2592
2593 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2594
2595         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2596         * config/sh/sh.c: Include reload.h.
2597         (sh_legitimize_reload_address): New.
2598         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2599         sh_legitimize_reload_address.
2600
2601 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2602
2603         * config/sh/sh.md (*movqi_pop): New insn pattern.
2604         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2605
2606 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2607
2608         * config/i386/i386.md (any_shiftrt): New code iterator.
2609         (shiftrt_insn): New code attribute.
2610         (shiftrt): Ditto.
2611         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2612         using any_shiftrt code iterator.
2613         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2614         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2615         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2616         pattern from corresponding peephole2 patterns.
2617         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2618         using any_shiftrt code iterator.
2619         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2620         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2621         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2622         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2623         *{ashr,lshr}<mode>3_cmp_zext.
2624         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2625
2626 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2629         scratch register.
2630         (*lshr<mode>3_cconly): Ditto.
2631
2632 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2633
2634         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2635         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2636         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2637         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2638         DWI mode iterator.
2639         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2640         from corresponding peephole2 patterns.
2641         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2642         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2643         and *lshrdi3_1_rex64 using SWI mode iterator.
2644         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2645         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2646         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2647         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2648         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2649         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2650         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2651         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2652         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2653         SWI mode iterator.
2654
2655 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2656
2657         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2658         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2659         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2660         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2661         DWI mode iterator.
2662         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2663         from corresponding peephole2 patterns.
2664         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2665         (ashrsi3_cvt): Rename from ashrsi3_31.
2666         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2667         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2668         and x86_64_shift_adj_3 using SWI48 mode iterator.
2669         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2670         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2671         and *ashrdi3_1_rex64 using SWI mode iterator.
2672         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2673         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2674         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2675         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2676         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2677         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2678         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2679         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2680         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2681         SWI mode iterator.
2682         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2683         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2684         x86_shift<mode>_adj_3 expanders.
2685
2686 2010-04-10  Wei Guozhi  <carrot@google.com>
2687
2688         PR target/42601
2689         * config/arm/arm.c (arm_pic_static_addr): New function.
2690         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2691         a static symbol.
2692         (arm_output_addr_const_extra): Output expression for new pattern.
2693         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2694
2695 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2696
2697         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2698         not enabled.
2699
2700         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2701         * web.c: Include "insn-config.h" and "recog.h".
2702         (union_match_dups): New function.
2703         (web_main): Call it.
2704         (union_defs): Don't try to recognize match_dups.
2705
2706         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2707         if doing so would replace the entire pattern.
2708
2709 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2710
2711         PR target/43707
2712         PR target/43709
2713         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2714         and splitter pattern.  Change splitter operand 1 predicate to
2715         nonmemory_operand.
2716
2717 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2718
2719         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2720         lattices are addresses of CONST_DECLs with the same initial value.
2721         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2722         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2723
2724 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2725             Bernd Schmidt  <bernds@codesourcery.com>
2726
2727         * loop-invariant.c (replace_uses): New static function.
2728         (move_invariant_reg): Use it to ensure we can replace the uses.
2729
2730 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2731
2732         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2733         function template.
2734         (picochip_override_options): Enable section anchors only above -O1.
2735         (picochip_reorg): Fixed a couple of build warnings.
2736
2737 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2738
2739         * configure.ac (plugin -rdynamic test): Log result.
2740         * configure: Regenerate.
2741         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2742         (RDYNAMIC_SPEC): Define.
2743         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2744
2745 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2746
2747         * configure.ac: Determine Sun ld version numbers.
2748         (comdat_group): Restrict GNU ld version checks to gld.
2749         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2750         (enable_comdat): Support --enable-comdat.
2751         * configure: Regenerate.
2752         * doc/install.texi (Configuration): Document --enable-comdat.
2753
2754 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2755
2756         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2757         * config/sol2-gld.h: ... here.
2758         * config.gcc (sparc*-*-solaris2*): Reflect this.
2759         (i[34567]86-*-solaris2*): Use it.
2760
2761 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2762
2763         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2764         setup_clocks_p.
2765         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2766
2767 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2768
2769         PR 42965
2770         * diagnostic.c (diagnostic_initialize): Initialize
2771         some_warnings_are_errors.
2772         (diagnostic_finish): New.
2773         (diagnostic_action_after_output): Call it before exiting.
2774         (diagnostic_report_diagnostic): Do not print message here. Set
2775         some_warnings_are_errors.
2776         * diagnostic.h (diagnostic_context): Delete
2777         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2778         (diagnostic_finish): Declare.
2779         * toplev.c (toplev_main): Call it before exit.
2780
2781 2010-04-09  Jason Merrill  <jason@redhat.com>
2782
2783         PR c++/42623
2784         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2785         for incomplete type.
2786
2787         PR c++/41788
2788         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2789         based on a warning flag.
2790
2791 2010-04-09  Richard Guenther  <rguenther@suse.de>
2792
2793         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2794
2795 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2796
2797         PR bootstrap/43684
2798         * varasm.c (default_assemble_visibility): Wrap vars that are
2799         set, but unused, by targets without GAS.
2800         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2801         Remove set, but unused, vars.
2802         (rs6000_legitimize_tls_address): Likewise.
2803         (altivec_expand_dst_builtin): Likewise.
2804         * config/darwin.c (machopic_classify_symbol): Likewise.
2805         (machopic_indirection_name): Likewise.
2806
2807 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2808
2809         * config/i386/i386.md (DWI): New mode iterator.
2810         (S): New mode attribute.
2811         (shift_operand): Ditto.
2812         (shift_immediate_operand): Ditto.
2813         (ashl_input_operand): Ditto.
2814         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2815         using SDWIM mode iterator.
2816         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2817         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2818         DWI mode iterator.
2819         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2820         from corresponding peephole2 patterns.
2821         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2822         and x86_64_shift_adj_1 using SWI48 mode iterator.
2823         (x86_shift<mode>_adj_2): Ditto.
2824         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2825         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2826         using SWI48 mode iterator.
2827         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2828         *ashldi3_cmp_rex64 using SWI mode iterator.
2829         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2830         *ashldi3_cconly_rex64 using SWI mode iterator.
2831         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2832         x86_shift<mode>_adj_{1,2}.
2833         (ix86_split_ashr): Ditto.
2834         (ix86_split_lshr): Ditto.
2835
2836 2010-04-09  Richard Guenther  <rguenther@suse.de>
2837
2838         * target.h (builtin_conversion): Pass in input and output types.
2839         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2840         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2841         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2842         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2843
2844         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2845         Handle AVX modes.
2846         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2847
2848 2010-04-09  Richard Guenther  <rguenther@suse.de>
2849
2850         PR target/43152
2851         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2852
2853 2010-04-09  Richard Guenther  <rguenther@suse.de>
2854
2855         * tree-vectorizer.h (struct _stmt_vec_info): Document
2856         that vectype is the type of the LHS.
2857         (supportable_widening_operation, supportable_narrowing_operation):
2858         Get both input and output vector types as arguments.
2859         (vect_is_simple_use_1): Declare.
2860         (get_same_sized_vectype): Likewise.
2861         * tree-vect-loop.c (vect_determine_vectorization_factor):
2862         Set STMT_VINFO_VECTYPE to the vector type of the def.
2863         (vectorizable_reduction): Adjust.
2864         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2865         Adjust.  Specify the output vector type.
2866         (vect_pattern_recog_1): Adjust.
2867         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2868         (vectorizable_call): Adjust.
2869         (vectorizable_conversion): Likewise.
2870         (vectorizable_operation): Likewise.
2871         (vectorizable_type_demotion): Likewise.
2872         (vectorizable_type_promotion): Likewise.
2873         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2874         the def.
2875         (vect_is_simple_use_1): New function.
2876         (supportable_widening_operation): Get both input and output
2877         vector types.
2878         (supportable_narrowing_operation): Likewise.
2879         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2880
2881 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2882
2883         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2884         __thiscall and _thiscall as predefined macros.
2885         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2886         thiscall attribute handling.
2887         (ix86_comp_type_attributes): Likewise.
2888         (ix86_function_regparm): Likewise.
2889         (ix86_return_pops_args): Likewise.
2890         (init_cumulative_args): Likewise.
2891         (find_drap_reg): Likewise.
2892         (ix86_static_chain): Likewise.
2893         (x86_this_parameter): Likewise.
2894         (x86_output_mi_thunk): Likewise.
2895         (ix86_attribute_table): Add description for thiscall attribute.
2896         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2897         * doc/extend.texi: Add documentation for thiscall.
2898
2899 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2900
2901         PR c++/28584
2902         * c.opt (Wint-to-pointer-cast): Available in C++.
2903         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2904
2905 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2906
2907         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2908         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2909         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2910         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2911         function type instead.  Reorder and simplify checks.
2912
2913         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2914
2915 2010-04-08  Jing Yu  <jingyu@google.com>
2916             Zdenek Dvorak  <ook@ucw.cz>
2917
2918         PR tree-optimization/42720
2919         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2920         loop unswitch conditions here from ...
2921         (tree_unswitch_single_loop): ... here.
2922
2923 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2924
2925         * tree-if-conv.c: Fix comments and simplify logic.
2926
2927 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2928
2929         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2930         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2931         (main_tree_if_conversion): Update call to tree_if_conversion.
2932
2933 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2934
2935         PR 42485
2936         * doc/invoke.texi (-b,-V): Delete.
2937         * doc/tm.texi: Do not mention -b.
2938         * gcc.c (display_help): Delete -b and -V.
2939         (process_command): Delete -b and -V.
2940         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2941
2942 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2943             Wolfgang Gellerich  <gellerich@de.ibm.com>
2944
2945         Implement target hook for loop unrolling
2946         * target.h (loop_unroll_adjust): Add a new target hook function.
2947         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2948         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2949         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2950         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2951         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2952         target hook.
2953         (decide_unroll_stupid): Likewise.
2954
2955 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2956
2957         PR target/43643
2958         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2959
2960 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2961
2962         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2963         (Specific, *-*-solaris2*): Likewise.
2964         Don't prefer Sun as over GNU as.
2965
2966 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2967
2968         * config/s390/s390.c (override_options): Adjust the z10
2969           defaults for max-unroll-times, max-completely-peeled-insns
2970           and max-completely-peel-times.
2971
2972 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2973
2974         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2975         instructions for z10.
2976         (s390_expand_setmem): Likewise.
2977         (s390_expand_cmpmem): Likewise.
2978
2979 2010-04-08  Richard Guenther  <rguenther@suse.de>
2980
2981         PR tree-optimization/43679
2982         * tree-ssa-pre.c (eliminate): Only propagate copies.
2983
2984 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR bootstrap/43681
2987         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2988         set but not used variable warning.
2989
2990 2010-04-08  Wei Guozhi  <carrot@google.com>
2991
2992         PR target/41653
2993         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2994         (arm_size_rtx_costs): Call the new function when optimized for size.
2995
2996 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2997
2998         PR debug/43670
2999         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3000         op0 is not a MEM, just return NULL instead of assertion
3001         failure.
3002         (discover_nonconstant_array_refs): Don't walk debug stmts.
3003
3004 2010-04-08  Doug Kwan  <dougkwan@google.com>
3005
3006         * configure.ac: Recognize gold and do not use its version number
3007         to test ld features.
3008         * configure: Regenerate.
3009
3010 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3011
3012         PR middle-end/40815
3013         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3014         (negate_value): Move code to push elements to broken_up_substracts ...
3015         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3016         negative pair to plus_negates.
3017         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3018
3019 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3020
3021         * doc/install.texi (Configuration): Move description of
3022         --enable-lto, --with-libelf*, --enable-gold from Java section to
3023         general section.
3024
3025         * doc/generic.texi (Working with declarations)
3026         (Function Properties, C and C++ Trees): Fix typos.
3027         * doc/sourcebuild.texi (Top Level): Likewise.
3028
3029 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3030
3031         PR c/18624
3032         * tree.h (DECL_READ_P): Define.
3033         (struct tree_decl_common): Add decl_read_flag.
3034         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3035         a set but not used warning.
3036         (merge_decls): Merge DECL_READ_P flag.
3037         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3038         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3039         * c-common.c (handle_used_attribute, handle_unused_attribute):
3040         Likewise.
3041         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3042         New prototypes.
3043         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3044         New functions.
3045         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3046         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3047         c_parser_binary_expression, c_parser_cast_expression,
3048         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3049         Call default_function_array_read_conversion instead of
3050         default_function_array_conversion where needed.
3051         (c_parser_unary_expression, c_parser_conditional_expression,
3052         c_parser_postfix_expression_after_primary, c_parser_initelt):
3053         Likewise.  Call mark_exp_read where needed.
3054         (c_parser_statement_after_labels, c_parser_asm_operands,
3055         c_parser_typeof_specifier, c_parser_sizeof_expression,
3056         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3057         where needed.
3058         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3059         New.
3060         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3061         (warn_unused_but_set_parameter): Default to warn_unused
3062         && extra_warnings.
3063         * doc/invoke.texi: Document -Wunused-but-set-variable and
3064         -Wunused-but-set-parameter.
3065
3066         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3067         used count variable.
3068         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3069         when operandN variables aren't used in the body of the expander
3070         or splitter.
3071         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3072         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3073         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3074         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3075         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3076         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3077         * tree.c (PROCESS_ARG): Likewise.
3078
3079 2010-04-07  Simon Baldwin  <simonb@google.com>
3080
3081         * diagnostic.h (diagnostic_override_option_index): New macro to
3082         set a diagnostic's option_index.
3083         * c-tree.h (c_cpp_error): Add warning reason argument.
3084         * opts.c (_warning_as_error_callback): New.
3085         (register_warning_as_error_callback): Store callback for
3086         warnings enabled via enable_warning_as_error.
3087         (enable_warning_as_error): Call callback, minor code tidy.
3088         * opts.h (register_warning_as_error_callback): Declare.
3089         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3090         response to -Werror=.
3091         (c_common_init_options): Register warning_as_error_callback in opts.c.
3092         * common.opt: Add -Wno-cpp option.
3093         * c-common.c (struct reason_option_codes_t): Map cpp warning
3094         reason codes to gcc option indexes.
3095         * (c_option_controlling_cpp_error): New function, lookup the gcc
3096         option index for a cpp warning reason code.
3097         * (c_cpp_error): Add warning reason argument, call
3098         c_option_controlling_cpp_error for diagnostic_override_option_index.
3099         * doc/invoke.texi: Document -Wno-cpp.
3100
3101 2010-04-07  Richard Guenther  <rguenther@suse.de>
3102
3103         * ipa-reference.c (mark_load): Use get_base_address.
3104         (mark_store): Likewise.
3105
3106         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3107         inserting GIMPLE_NOPs into the IL.
3108         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3109         Explicitly strip handled components and indirect references.
3110
3111         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3112         folding address expressions.
3113         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3114         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3115         operand_equal_p to compare decls.
3116         (ptr_deref_may_alias_decl_p): Likewise.
3117         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3118         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3119         Handle reversed comparison ops.
3120         * tree-sra.c (asm_visit_addr): Use get_base_address.
3121         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3122         * ipa-reference.c (mark_address): Use get_base_address.
3123
3124 2010-04-07  Richard Guenther  <rguenther@suse.de>
3125
3126         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3127         Propagate constants everywhere.
3128
3129 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3130
3131         PR debug/43516
3132         * tree.c (MAX_INT_CACHED_PREC): Define.
3133         (nonstandard_integer_type_cache): New array.
3134         (build_nonstandard_integer_type): Cache results for precision
3135         <= MAX_INT_CACHED_PREC.
3136
3137 2010-04-07  Richard Guenther  <rguenther@suse.de>
3138
3139         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3140         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3141         * common.opt: Likewise.
3142         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3143         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3144         (nonoverlapping_memrefs_p): Likewise.
3145         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3146         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3147         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3148         OPT_fargument_noalias_global for backward compatibility.
3149
3150 2010-04-07  Richard Guenther  <rguenther@suse.de>
3151
3152         PR tree-optimization/43270
3153         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3154         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3155         * tree-ssa-pre.c (phi_translate_1): Adjust.
3156         (fully_constant_expression): Split out vn_reference handling to ...
3157         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3158         Fold reads from constant strings.
3159         (vn_reference_lookup): Handle fully constant references.
3160         (vn_reference_lookup_pieces): Likewise.
3161         * Makefile.in (expmed.o-warn): Add -Wno-error.
3162
3163 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3164
3165         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3166
3167 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3168
3169         PR driver/41594
3170         * gcc.c: Add -static-libstdc++ to list of recognized options.
3171
3172 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3173
3174         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3175
3176 2010-04-07  Richard Guenther  <rguenther@suse.de>
3177
3178         PR middle-end/42617
3179         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3180         bases build simple mem attributes to retain points-to information.
3181
3182 2010-04-07  Richard Guenther  <rguenther@suse.de>
3183
3184         PR middle-end/42617
3185         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3186         preserve points-to related information.
3187
3188 2010-04-07  Richard Guenther  <rguenther@suse.de>
3189
3190         PR middle-end/42617
3191         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3192         discard plain indirect references.
3193         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3194         * tree.c (tree_nop_conversion): Likewise.
3195
3196 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3197
3198         PR debug/43628
3199         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3200
3201 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3202
3203         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3204         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3205
3206 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         * tree-if-conv.c: Fix indentation and comments.
3209
3210 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3211
3212         * tree-if-conv.c: Sort static functions in topological order.
3213
3214 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3215
3216         * tree-if-conv.c: Fix indentation and comments.
3217
3218 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3219
3220         PR middle-end/43519
3221         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3222         lang_hooks.types.type_for_size instead of
3223         build_nonstandard_integer_type.
3224         When converting an unsigned type to signed, double its precision.
3225         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3226         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3227         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3228         use lb <= ub.
3229
3230 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         PR middle-end/43519
3233         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3234         POINTER_PLUS_EXPR for pointer types.
3235
3236 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3237
3238         PR middle-end/43519
3239         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3240         * graphite-clast-to-gimple.c: Include langhooks.h.
3241         (max_signed_precision_type): New.
3242         (max_precision_type): Takes two types as arguments.
3243         (precision_for_value): New.
3244         (precision_for_interval): New.
3245         (gcc_type_for_interval): New.
3246         (gcc_type_for_value): New.
3247         (gcc_type_for_clast_term): New.
3248         (gcc_type_for_clast_red): New.
3249         (gcc_type_for_clast_bin): New.
3250         (gcc_type_for_clast_expr): Split up into several functions.
3251         (gcc_type_for_clast_eq): Rewritten.
3252         (compute_bounds_for_level): New.
3253         (compute_type_for_level_1): New.
3254         (compute_type_for_level): New.
3255         (gcc_type_for_cloog_iv): Removed.
3256         (gcc_type_for_iv_of_clast_loop): Rewritten.
3257         (graphite_create_new_loop): Compute the lower and upper bound types
3258         with gcc_type_for_clast_expr.
3259         (graphite_create_new_loop_guard): Same.
3260         (find_cloog_iv_in_expr): Removed.
3261         (compute_cloog_iv_types_1): Removed.
3262         (compute_cloog_iv_types): Removed.
3263         (gloog): Do not call compute_cloog_iv_types.
3264         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3265         GBB_CLOOG_IV_TYPES.
3266         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3267         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3268         (GBB_CLOOG_IV_TYPES): Removed.
3269
3270 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3273         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3274         (detect_commutative_reduction): Same.
3275
3276 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3277
3278         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3279         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3280         argument.
3281         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3282         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3283         (rewrite_commutative_reductions_out_of_ssa): Same.
3284         * passes.c (execute_function_todo): Call verify_ssa for every pass
3285         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3286         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3287         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3288         with an extra argument.
3289         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3290         verify_ssa only when the extra argument is true.
3291         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3292         with an extra argument.
3293         (tree_transform_and_unroll_loop): Same.
3294
3295 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3296
3297         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3298         for all the passes of the LNO having LOOP_CLOSED_SSA.
3299         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3300         * tree-loop-distribution.c (pass_loop_distribution): Same.
3301         * tree-pass.h (TODO_verify_loops): Removed.
3302         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3303         (pass_lim): Same.
3304         (pass_tree_unswitch): Same.
3305         (pass_predcom): Same.
3306         (pass_vectorize): Same.
3307         (pass_linear_transform): Same.
3308         (pass_graphite_transforms): Same.
3309         (pass_iv_canon): Same.
3310         (pass_complete_unroll): Same.
3311         (pass_complete_unrolli): Same.
3312         (pass_parallelize_loops): Same.
3313         (pass_loop_prefetch): Same.
3314         (pass_iv_optimize): Same.
3315
3316 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3317
3318         PR middle-end/32824
3319         * passes.c (init_optimization_passes): Move pass_lim before
3320         pass_copy_prop and pass_dce_loop.
3321
3322 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3323
3324         PR target/43667
3325         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3326         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3327         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3328         MULTI_* defines for 4 argument vpermil2p* builtins.
3329
3330 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3331
3332         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3333         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3334         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3335         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3336         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3337         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3338         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3339         Use x86_maybe_negate_const_int to output insn mnemonic.
3340         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3341         check from instruction predicate.  Update comments.
3342         * config/i386/sync.md (sync_add<mode>): Use
3343         x86_maybe_negate_const_int to output insn mnemonic.
3344
3345 2010-04-06  Jan Hubicka  <jh@suse.cz>
3346
3347         PR tree-optimization/42906
3348         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3349         IGNORE_SELF argument.  Set visited_control_parents for fully
3350         processed BBs.
3351         (find_obviously_necessary_stmts): Update call of
3352         mark_control_dependent_edges_necessary.
3353         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3354
3355 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3356
3357         * config/i386/i386.md: Remove comment about 'e' and 'E'
3358         operand modifier.
3359
3360 2010-04-06  Richard Guenther  <rguenther@suse.de>
3361
3362         PR tree-optimization/43627
3363         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3364         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3365         not varying.
3366
3367 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3368
3369         * BASE-VER: Change to 4.6.0.
3370
3371         PR target/43638
3372         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3373         handling.
3374
3375 2010-04-06  Richard Guenther  <rguenther@suse.de>
3376
3377         PR middle-end/43661
3378         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3379
3380 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3381
3382         * doc/invoke.texi (Optimize Options): Document that LTO
3383         won't remove object access purely due to incompatible
3384         declarations.
3385
3386 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3387
3388         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3389         Initialize variable.
3390
3391 2010-04-03  Richard Guenther  <rguenther@suse.de>
3392
3393         PR middle-end/42509
3394         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3395         require a non-NULL MEM_OFFSET.
3396
3397 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3398
3399         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3400         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3401         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3402         config/alpha/predicates.md, config/arm/arm.md,
3403         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3404         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3405         config/darwin9.h, config/darwin.c, config/darwin.h,
3406         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3407         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3408         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3409         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3410         config/mips/mips.md, config/mn10300/mn10300.c,
3411         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3412         config/rs6000/aix.h, config/rs6000/dfp.md,
3413         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3414         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3415         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3416         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3417         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3418         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3419         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3420         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3421         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3422         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3423         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3424         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3425         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3426         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3427         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3428         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3429         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3430         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3431         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3432         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3433         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3434         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3435         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3436         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3437         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3438         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3439         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3440         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3441         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3442         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3443         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3444         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3445         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3446         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3447         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3448         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3449
3450 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3451
3452         PR other/43620
3453         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3454         * aclocal.m4: Regenerate.
3455
3456 2010-04-02  Richard Guenther  <rguenther@suse.de>
3457
3458         PR tree-optimization/43629
3459         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3460         if we have seen a constant value.
3461
3462 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3463
3464         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3465
3466 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3467
3468         PR target/43469
3469         * arm.c (legitimize_tls_address): Adjust call to
3470         gen_tls_load_dot_plus_four.
3471         (arm_note_pic_base): New function.
3472         (arm_cannot_copy_insn_p): Use it.
3473         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3474         constraint.
3475
3476 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3477
3478         PR bootstrap/43531
3479
3480         Revert:
3481         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3482
3483         * Makefile.in ($(out_object_file)): Depend on
3484         gt-$(basename $(notdir $(out_file))).h.
3485
3486 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3487
3488         * config.gcc (lm32-*-rtems*): Add t-lm32.
3489
3490 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3491
3492         * config.gcc: Add lm32-*-rtems*.
3493         * config/lm32/rtems.h: New file.
3494
3495 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3496
3497         PR target/42609
3498         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3499
3500 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3501
3502         * dwarf2out.c (output_compilation_unit_header): For
3503         -gdwarf-4 use version 4 instead of version 3.
3504         (output_line_info): For version 4 and above emit additional
3505         maximum ops per insn header field.
3506         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3507
3508         * dwarf2out.c (is_c_family, is_java): Remove.
3509         (lower_bound_default): New function.
3510         (add_bound_info, gen_descr_array_type_die): Use it.
3511
3512 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3513
3514         PR debug/43325
3515         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3516         re-declaration when it happens in a function.
3517
3518 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3519
3520         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3521         (cgraph_remove_function_insertion_hook): Same.
3522         (cgraph_call_function_insertion_hooks): Same.
3523
3524 2010-04-01  Richard Guenther  <rguenther@suse.de>
3525
3526         PR middle-end/43614
3527         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3528         and TREE_THIS_VOLATILE.
3529         (copy_ref_info): Likewise.
3530         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3531         * tree.c (build6_stat): Ignore side-effects of all but arg5
3532         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3533         TARGET_MEM_REF.
3534
3535 2010-04-01  Richard Guenther  <rguenther@suse.de>
3536
3537         PR tree-optimization/43607
3538         * ipa-type-escape.c (check_call): Do not access non-existing
3539         arguments.
3540
3541 2010-04-01  Richard Guenther  <rguenther@suse.de>
3542
3543         PR middle-end/43602
3544         Revert
3545         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3546                     Jack Howarth <howarth@bromo.med.uc.edu>
3547
3548         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3549         variables TLS.
3550
3551 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3552
3553         * doc/install.texi (Prerequisites): Document libelf usability on
3554         IRIX 5/6 and Solaris 2.
3555         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3556         Update GNU as, GNU ld requirements.
3557         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3558         Document Sun Studio compiler download.
3559         Update and simplify as, ld recommendations.
3560         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3561
3562 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3563
3564         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3565         with_tune_32 to pentium4.
3566
3567 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3568
3569         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3570
3571 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3572
3573         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3574         obsoletion, removal.
3575         Update IDO URL.
3576         Document GNU as requirement.
3577         Update configure requirements.
3578         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3579         Recomment IRIX 6.5.18+.
3580         Document IDF/IDL requirement.
3581         Document GNU as requirement.
3582         Document GNU ld bootstrap failure.
3583         Remove freeware.sgi.com reference.
3584
3585 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3586
3587         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3588         UNIX V4.0, V5.0 obsoletion, removal.
3589         Remove --with-gc=simple reference.
3590         Update VM requirements during bootstrap.
3591         Remove -oldas bootstrap description.
3592         Update binutils reference.
3593         Remove comparison failure note.
3594
3595 2010-03-31  Richard Guenther  <rguenther@suse.de>
3596             Zdenek Dvorak  <ook@ucw.cz>
3597             Sebastian Pop  <sebastian.pop@amd.com>
3598
3599         PR middle-end/43464
3600         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3601         with multiple arguments.
3602         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3603
3604 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3605
3606         * graphite-dependences.c (print_pddr): Call print_pdr with an
3607         extra argument.
3608         * graphite-poly.c (debug_pdr): Add an extra argument for the
3609         verbosity level.
3610         (print_pdr): Same.
3611         (print_pbb_domain): Same.
3612         (print_pbb): Same.
3613         (print_scop_context): Same.
3614         (print_scop): Same.
3615         (print_cloog): Same.
3616         (debug_pbb_domain): Same.
3617         (debug_pbb): Same.
3618         (print_pdrs): Same.
3619         (debug_pdrs): Same.
3620         (debug_scop_context): Same.
3621         (debug_scop): Same.
3622         (debug_cloog): Same.
3623         (print_scop_params): Same.
3624         (debug_scop_params): Same.
3625         (print_iteration_domain): Same.
3626         (print_iteration_domains): Same.
3627         (debug_iteration_domain): Same.
3628         (debug_iteration_domains): Same.
3629         (print_scattering_function): Same.
3630         (print_scattering_functions): Same.
3631         (debug_scattering_function): Same.
3632         (debug_scattering_functions): Same.
3633         * graphite-poly.h (debug_pdr): Update declaration.
3634         (print_pdr): Same.
3635         (print_pbb_domain): Same.
3636         (print_pbb): Same.
3637         (print_scop_context): Same.
3638         (print_scop): Same.
3639         (print_cloog): Same.
3640         (debug_pbb_domain): Same.
3641         (debug_pbb): Same.
3642         (print_pdrs): Same.
3643         (debug_pdrs): Same.
3644         (debug_scop_context): Same.
3645         (debug_scop): Same.
3646         (debug_cloog): Same.
3647         (print_scop_params): Same.
3648         (debug_scop_params): Same.
3649         (print_iteration_domain): Same.
3650         (print_iteration_domains): Same.
3651         (debug_iteration_domain): Same.
3652         (debug_iteration_domains): Same.
3653         (print_scattering_function): Same.
3654         (print_scattering_functions): Same.
3655         (debug_scattering_function): Same.
3656         (debug_scattering_functions): Same.
3657
3658 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3659
3660         * graphite-poly.c (print_scattering_function_1): New.
3661         (print_scattering_function): Call it.
3662         (print_scop_params): Remove spaces at the end of lines.
3663         (print_cloog): New.
3664         (debug_cloog): New.
3665         * graphite-poly.h (print_cloog): Declared.
3666         (debug_cloog): Declared.
3667
3668 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3669
3670         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3671         in loop->header.
3672         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3673         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3674         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3675         to switch between adding the IV bump in loop->latch or in loop->header.
3676
3677 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3678
3679         * graphite-poly.c (print_scattering_function): Pretty print following
3680         the scoplib format.
3681         (print_pdr): Same.
3682         (print_pbb_domain): Same.
3683         (dump_gbb_cases): Same.
3684         (dump_gbb_conditions): Same.
3685         (print_pdrs): Same.
3686         (print_pbb): Same.
3687         (print_scop_params): Same.
3688         (print_scop_context): Same.
3689         (print_scop): Same.
3690         (print_pbb_body): New.
3691         (lst_indent_to): New.
3692         (print_lst): Start new lines with a #.
3693         * graphite-poly.h (pbb_bb): New.
3694         (pbb_index): Use pbb_bb.
3695         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3696         disjuncts.
3697         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3698
3699 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3700
3701         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3702         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3703         and 0 instead of 1 for dw_val_class_flag.
3704         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3705         dw_val_class_range_list, dw_val_class_loc_list,
3706         dw_val_class_lineptr and dw_val_class_macptr, use
3707         DW_FORM_flag_present for dw_val_class_flag and
3708         DW_FORM_exprloc for dw_val_class_loc.
3709         (output_die): For -gdwarf-4 print dw_val_class_loc
3710         size as uleb128 instead of 1 or 2 bytes and don't print
3711         anything for dw_val_class_flag.
3712
3713         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3714         instead of cselib_lookup following by tweaking locs->setting_insn.
3715
3716         PR bootstrap/43596
3717         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3718         even before returning from label, setjmp call or volatile asm
3719         handling.
3720
3721 2010-03-31  Richard Guenther  <rguenther@suse.de>
3722
3723         PR middle-end/43600
3724         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3725         temporary data on stack.
3726
3727 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3728
3729         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3730         (PUSHSECTION_ASM_OP): Remove.
3731         (POPSECTION_ASM_OP): Remove.
3732         (PUSHSECTION_FORMAT): Remove.
3733         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3734         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3735         * config/sol2.c (solaris_output_init_fini): Use it.
3736
3737 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3738
3739         PR 43574
3740         * opt-functions.awk (var_type_struct): Use signed char type
3741         for simple variables.
3742
3743 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3744
3745         * config/sol2.c: Include output.h.
3746         (solaris_assemble_visibility): New function.
3747         * config/t-sol2 (sol2.o): Add output.h dependency.
3748         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3749         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3750         Redefine.
3751
3752 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3753
3754         PR target/43580
3755         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3756         V2SImode or XFmode on PRE_DEC.
3757
3758         PR debug/43557
3759         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3760         BLKmode.
3761
3762 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3763
3764         PR 43562
3765         * reload.h (caller_save_initialized_p): Declare.
3766         * toplev.c (backend_init_target): Don't call
3767         init_caller_save but set caller_save_initialized_p to false.
3768         * caller-save.c (caller_save_initialized_p): Define.
3769         (init_caller_save): Check caller_save_initialized_p.
3770         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3771
3772 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3773
3774         PR target/39048
3775         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3776         and soft-fp/t-softfp to tmake_file.
3777         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3778         (LIBGCC2_TF_CEXT): Define.
3779         (TF_SIZE): Define.
3780
3781 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3782
3783         PR debug/42977
3784         * cselib.c (n_useless_values): Document handling of debug locs.
3785         (n_useless_debug_values, n_debug_values): New variables.
3786         (new_elt_loc_list): Don't add to debug values, keep count.
3787         (promote_debug_loc): New.
3788         (cselib_reset_table): Zero new variables.
3789         (entry_and_rtx_equal_p): Promote debug locs.
3790         (discard_useless_locs): Increment n_useless_debug_values for
3791         debug values.
3792         (remove_useless_values): Adjust n_useless_values and n_debug_values
3793         with n_useless_debug_values.
3794         (add_mem_for_addr): Promote debug locs.
3795         (cselib_lookup_mem): Likewise.
3796         (cselib_lookup_addr): Renamed to...
3797         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3798         (cselib_log_lookup): ... this.  Turn into...
3799         (cselib_lookup_addr): ... new wrapper.
3800         (cselib_lookup_from_insn): New.
3801         (cselib_invalidate_regno): Increment n_useless_debug_values for
3802         debug values.
3803         (cselib_invalidate_mem): Likewise.
3804         (cselib_process_insn): Take n_deleted and n_debug_values into
3805         account to guard remove_useless_value call.
3806         (cselib_finish): Zero n_useless_debug_values.
3807         * cselib.h (cselib_lookup_from_insn): Declare.
3808         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3809         (sched_analyze_2): Likewise.
3810
3811 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3812
3813         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3814         functions.
3815         (adjust_mems): Replace narrowing SUBREG of expression containing
3816         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3817         with operations in the narrower mode.
3818
3819         PR debug/43593
3820         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3821         regs_invalidated_by_call instead all call_used_reg_set registers.
3822
3823 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3824
3825         PR middle-end/43430
3826         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3827         pointer comparisons with types_compatible_p.
3828         * tree-vect-stmts.c (vectorizable_call): Same.
3829         (vectorizable_condition): Same.
3830
3831 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3832
3833         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3834         stack check if the mask would be zero.
3835
3836 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3837             Jack Howarth <howarth@bromo.med.uc.edu>
3838
3839         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3840         variables TLS.
3841
3842 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3843
3844         PR other/25232
3845         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3846         and __unordtf2.
3847         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3848         Include ___unordxf2 and ___unordtf2.
3849         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3850         GCC_4.4.0 here.
3851
3852 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3853
3854         * config/lm32/t-lm32: New file.
3855         * config.gcc: Use the above file when targetting lm32.
3856
3857 2010-03-28  Duncan Sands  <baldrick@free.fr>
3858
3859         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3860
3861 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         PR middle-end/43431
3864         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3865         Improve vectorization cost model diagnostic.
3866
3867 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         PR middle-end/43436
3870         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3871         compute_data_dependences_for_loop returns false, early exit
3872         and output an extra diagnostic for the failed data reference
3873         analysis.
3874
3875 2010-03-29  Richard Guenther  <rguenther@suse.de>
3876
3877         PR tree-optimization/43560
3878         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3879         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3880
3881 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3882
3883         PR 43564
3884         * toplev.c (process_options): Set optimization_default_node
3885         and optimization_current_node.
3886         * opts.c (decode_options): Don't set optimization_default_node
3887         and optimization_current_node.
3888
3889 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3890
3891         * config/rtems.h: Abandon -qrtems_debug.
3892
3893 2010-03-28  Jan Hubicka  <jh@suse.cz>
3894
3895         PR tree-optimization/43505
3896         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3897         map should not be copied.
3898
3899 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3900
3901         PR middle-end/41674
3902         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3903         cdtors, set DECL_PRESERVE_P.
3904         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3905         should be preseved.
3906
3907 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3908
3909         PR tree-optimization/43528
3910         * stor-layout.c (place_field): Check that constant fits into
3911         unsigned HWI when skipping calculation of MS bitfield layout.
3912
3913 2010-03-27  Jan Hubicka  <jh@suse.cz>
3914
3915         PR middle-end/43391
3916         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3917         notice_global_symbol work.
3918
3919 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3920
3921         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3922         instead of dwarf2out_decl.
3923         (struct var_loc_node): Remove section_label field.
3924         (dwarf2out_function_decl): New function.
3925         (dwarf2out_var_location): Don't set section_label field.
3926         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3927
3928 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3929
3930         PR tree-optimization/43544
3931         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3932         First argument for builtin vectorized function hook is now a
3933         tree to be able to distinguish between machine specific and
3934         standard builtins.
3935         * targhooks.c (default_builtin_vectorized_function): Ditto.
3936         * targhooks.h (default_builtin_vectorized_function): Ditto.
3937         * target.h (struct gcc_target): Ditto.
3938         * tree-vect-stmts.c (vectorizable_function): Ditto.
3939         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3940         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3941         Ditto.
3942
3943 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3944
3945         PR c/43381
3946         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3947         nested binding iff it is a FUNCTION_DECL.
3948         (store_parm_decls_newstyle): Pass nested=true to bind for
3949         FUNCTION_DECLs amongst parameters.
3950
3951 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3952
3953         * var-tracking.c (vt_expand_loc_callback): Don't run
3954         cselib_expand_value_rtx_cb in dummy mode if
3955         cselib_dummy_expand_value_rtx_cb returned false.
3956
3957         * var-tracking.c (emit_note_insn_var_location): For one part
3958         notes with offset 0, don't add EXPR_LIST around the location.
3959         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3960         add_location_or_const_value_attribute): Adjust for that change.
3961
3962         PR debug/43540
3963         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3964         into first operand and location into second.
3965         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3966         dw_cfi_oprnd_loc for DW_CFA_expression.
3967         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3968         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3969         assume first argument is regnum and second argument is location.
3970
3971 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3972
3973         PR target/42113
3974         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3975         of scratch register to DImode.  Split to DImode comparison operator.
3976         Use SImode subreg of scratch register in the multiplication.
3977         (*cmp_sadd_sidi): Ditto.
3978         (*cmp_ssub_si): Ditto.
3979         (*cmp_ssub_sidi): Ditto.
3980
3981 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3982
3983         PR target/43524
3984         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3985         Remove invalid assert and wrong comment.
3986
3987 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3988
3989         PR debug/43516
3990         * flags.h (final_insns_dump_p): New extern.
3991         * final.c (final_insns_dump_p): New variable.
3992         (rest_of_clean_state): Set it before -fdump-final-insns=
3993         dumping, clear afterwards.
3994         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3995         MEM_ALIAS_SET on MEMs.
3996
3997 2010-03-26  David S. Miller  <davem@davemloft.net>
3998
3999         * configure.ac: Fix sparc GOTDATA_OP bug check.
4000         * configure: Rebuild.