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