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2010-05-04 Martin Jambor <mjambor@suse.cz>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-04  Martin Jambor  <mjambor@suse.cz>
2
3         * tree-sra.c (build_access_from_expr_1): The first parameter type
4         changed to simple tree.
5         (build_access_from_expr): Likewise, gsi parameter was eliminated.
6         (scan_assign_result): Renamed to assignment_mod_result, enum elements
7         renamed as well.
8         (build_accesses_from_assign): Removed all parameters except for a
9         simple gimple statement.  Now returns a simple bool.
10         (scan_function): All non-analysis parts moved to separate functions
11         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
12         parameters and updated both callers.
13         (sra_modify_expr): Removed parameter data.
14         (sra_modify_function_body): New function.
15         (perform_intra_sra): Call sra_modify_function_body to modify the
16         function body.
17         (replace_removed_params_ssa_names): Parameter data changed into
18         adjustments vector.
19         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
20         changed the parameter dont_convert to convert with the opposite
21         meaning.
22         (sra_ipa_modify_assign): Parameter data changed into adjustments
23         vector, return value changed to bool.
24         (ipa_sra_modify_function_body): New function.
25         (sra_ipa_reset_debug_stmts): Updated a comment.
26         (modify_function): Use ipa_sra_modify_function_body to modify function
27         body.
28
29 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
30
31         PR middle-end/43671
32         * alias.c (true_dependence): Handle the same VALUE in x and mem.
33         (canon_true_dependence): Likewise.
34         (write_dependence_p): Likewise.
35
36 2010-05-04  Jan Hubicka  <jh@suse.cz>
37
38         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
39         * cgraphbuild.c: Include ipa-utils.h
40         (record_reference_ctx): New struct.
41         (record_reference): Simplify to work on initializers; not statements.
42         (mark_address, mark_load, mark_store): New.
43         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
44         walk PHI nodes too.
45         (record_references_in_initializer): Update use of record_reference.
46         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
47         walk PHI nodes too.
48
49 2010-05-04  Jan Hubicka  <jh@suse.cz>
50
51         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
52         node will be removed anyway.
53         (lto_varpool_replace_node): Allow also unanalyzed nodes;
54         relink aliases of node into prevailing node.
55         * varpool.c (varpool_remove_node): Remove aliases properly;
56         when removing node, remove all its aliases too; remove DECL_INITIAL
57         of removed node; ggc_free the varpool node.
58
59 2010-05-04  Richard Guenther  <rguenther@suse.de>
60
61         PR tree-optimization/43879
62         * tree-ssa-structalias.c (alias_get_name): Use
63         DECL_ASSEMBLER_NAME if available.
64         (create_function_info_for): Return the varinfo node.
65         (ipa_pta_execute): Associate same-body aliases and extra names
66         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
67
68 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
69
70         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
71         static.
72
73 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
74
75         PR bootstrap/43964
76         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
77         only if HONOR_REG_ALLOC_ORDER is not defined.
78
79 2010-05-04  Richard Guenther  <rguenther@suse.de>
80
81         PR tree-optimization/43949
82         * tree-vrp.c (extract_range_from_binary_expr): Only handle
83         TRUNC_MOD_EXPR.
84
85 2010-04-26  Jason Merrill  <jason@redhat.com>
86
87         * c.opt (-fstrict-enums): New.
88         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
89
90 2010-05-03  David Ung <davidu@mips.com>
91             James E. Wilson  <wilson@codesourcery.com>
92
93         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
94         emit the trap instruction before the divide for TUNE_74K.
95
96 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
97
98         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
99         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
100         based on the above, for new target hook.
101
102         * hooks.c (hook_bool_mode_true): New generic hook.
103         * hooks.h (hook_bool_mode_true): Add prototype.
104
105         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
106         target hook.
107         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
108         target hook, set to hook_bool_mode_false.
109         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
110         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
111         with targetm.small_register_classes_for_mode_p.
112         (find_reusable_reload): Likewise.
113         (combine_reloads): Likewise.
114         * reload1.c (reload_as_needed): Likewise.
115         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
116         * ifcvt.c (noce_process_if_block, check_cond_move_block,
117         dead_or_predicable): Likewise.
118         * regmove.c (optimize_reg_copy_1): Likewise.
119         * calls.c (prepare_call_address): Likewise.
120         (precompute_register_parameters): Likewise.
121
122         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
123         hook definition.
124         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
125         implementation of the hook that considers all register classes
126         small except for SH64.
127         (sh_override_options): Use the new hook.
128         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
129         Add prototype.
130
131         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
132         hook definition.
133         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
134         implementation of the hook that considers all register classes
135         small for THUMB1.
136         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
137         Add prototype.
138
139         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
140         hook definition.
141         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
142         implementation of the hook that considers all register classes
143         small for MIPS16.
144         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
145         Add prototype.
146
147         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
148         hook definition.
149         * config/m32c/m32c.h: Likewise.
150         * config/pdp11/pdp11.h: Likewise.
151         * config/avr/avr.h: Likewise.
152         * config/xtensa/xtensa.h: Likewise.
153         * config/m68hc11/m68hc11.h: Likewise.
154         * config/mn10300/mn10300.h: Likewise.
155         * config/mcore/mcore.h: Likewise.
156         * config/h8300/h8300.h: Likewise.
157         * config/bfin/bfin.h: Likewise.
158
159         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
160         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
161
162 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
163
164         * double-int.h (tree_to_double_int): Remove macro.
165         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
166         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
167         (tree_to_double_int): New function.
168         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
169         Move ...
170         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
171
172 2010-05-03  Richard Guenther  <rguenther@suse.de>
173
174         PR tree-optimization/43971
175         * tree-ssa-structalias.c (get_constraint_for_1): Fix
176         constraints in the !flag_delete_null_pointer_checks case.
177
178 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
179
180         PR debug/43972
181         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
182         result mode matches original rtl mode.
183
184 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
185
186         PR target/43888
187         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
188
189 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
190
191         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
192         when processing flag options.
193
194 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
195
196         * gcov-iov.c (main): Change format string placeholder
197         from %#08x to 0x%08x.
198         * genchecksum.c (dosum): Change format string placeholder
199         from %#02x to 0x%02x.
200
201 2010-05-02  Richard Guenther  <rguenther@suse.de>
202
203         PR tree-optimization/43879
204         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
205
206 2010-05-02  Bruno Haible  <bruno@clisp.org>
207
208         * doc/extend.texi (Function Attributes): Fix a typo.
209
210 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
211
212         Revert:
213         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
214         placeholder from 0x%x to %#x.
215         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
216         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
217         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
218         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
219         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
220         * config/i386/i386.c (ix86_target_string): Ditto.
221         * config/i386/i386.c (output_pic_addr_const): Ditto.
222         (print_operand): Ditto.
223
224 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
225
226         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
227         placeholder from 0x%x to %#x.
228         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
229         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
230         (ASM_OUTPUT_DEBUG_DATA): Ditto.
231         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
232         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
233         * optc-gen.awk: Ditto.
234         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
235         (HOST_WIDE_INT_PRINT_HEX): Ditto.
236         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
237         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
238
239 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
240
241         * target.h (struct calls): Add function_value_regno_p field.
242         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
243         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
244         * targhooks.c (default_function_value_regno_p): New function.
245         * targhooks.h (default_function_value_regno_p): Declare function.
246         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
247         * builtins.c. (apply_result_size): (Ditto.).
248         * combine.c. (likely_spilled_retval_p): (Ditto.).
249         * mode-switching.c. Include 'target.h'.
250         (create_pre_exit): Use function_value_regno_p hook.
251         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
252         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
253         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
254
255         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
256         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
257         (ix86_function_value_regno_p): Declare as static, change argument
258         type to const unsigned int.
259         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
260
261 2010-05-01  Richard Guenther  <rguenther@suse.de>
262
263         PR tree-optimization/43949
264         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
265         types.
266         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
267
268 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
269
270         * rtl.h (CONST_DOUBLE_P): Define.
271         (rtx_to_double_int): Declare.
272         * emit-rtl.c (rtx_to_double_int): New function.
273         * dwarf2out.c (insert_double): New function.
274         (loc_descriptor, add_const_value_attribute): Clean up, use
275         rtx_to_double_int and insert_double functions.
276
277 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
278
279         * doc/extend.texi (Inline): Add missing return keyword to examples.
280         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
281         "command-line".
282
283 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
284
285         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
286         the variable part of the offset as well.  Use highest_pow2_factor for
287         all alignment checks.
288
289 2010-04-30  Richard Guenther  <rguenther@suse.de>
290
291         PR tree-optimization/43879
292         * tree-ssa-structalias.c (type_could_have_pointers): Functions
293         can have pointers.
294
295 2010-04-30  Jan Hubicka  <jh@suse.cz>
296
297         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
298         varpool.
299         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
300
301 2010-04-30  Jan Hubicka  <jh@suse.cz>
302
303         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
304         New.
305         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
306         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
307         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
308         cgraph_node_set_needs_ltrans_p): Remove.
309
310 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
311
312         * sdbout.c: Include vec.h, do not include varray.h.
313         (deferred_global_decls, sdbout_global_decl,
314         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
315         * toplev.c: Do not include varray.h.
316         (dump_memory_report): Do not dump VARRAY statistics.
317         * gengtype.c (open_base_file): Ignore varray.h.
318         * Makefile.in: Update for abovementioned changes.
319         Remove all traces of varray.c and varray.h.
320         * varray.c: Remove file.
321         * varray.h: Remove file.
322
323 2010-04-30  Jan Hubicka  <jh@suse.cz>
324
325         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
326         references.
327
328 2010-04-30  Jan Hubicka  <jh@suse.cz>
329
330         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
331         needed.
332
333 2010-04-30  Richard Guenther  <rguenther@suse.de>
334
335         * tree-ssa-structalias.c (get_constraint_for_1): Generate
336         constraints for CONSTRUCTOR.
337
338 2010-04-30  Richard Guenther  <rguenther@suse.de>
339
340         PR lto/43946
341         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
342         first after all lowering passes.
343
344 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
345
346         * toplev.c: Include varray.h for statistics dumping.
347         * tree.h: Do not declare varray_head_tag.
348         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
349         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
350         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
351         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
352         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
353         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
354         c-common.c, c-common.h, reg-stack.c, basic-block.h,
355         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
356         include varray.h.
357         * Makefile.in: Update for abovementioned changes.
358
359 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
360
361         PR debug/43942
362         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
363
364 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
365
366         * config/picochip/picochip.c (picochip_legitimize_address): Define.
367         Use this function to do machine-specific conversion.
368         (picochip_legitimize_reload_address): Likewise.
369         (picochip_legitimate_address_p): Check valid base register only if
370         strict.
371         (picochip_check_conditional_copy): Check for modw only if opnd is
372         register.
373         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
374         to call the function in c.
375         * config/picochip/picochip-protos.h
376         (picochip_legitimize_reload_address): Define.
377         * config/picochip/picochip.md (supported_compare1): Define.
378
379 2010-04-30  Jan Hubicka  <jh@suse.cz>
380
381         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
382         (cgraph_global_info): Remove inlined.
383         (LTO_cgraph_tag_names): Remove.
384         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
385         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
386         simplify cgraph tags and document.
387         (lto_output_node): Use only LTO_cgraph_unavail_node and
388         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
389         for_functions_valid, global info, process and output flags.
390         (input_overwrite_node): Initialize estimated stack size and
391         estimated growth.  Do not read flags we no longer store.
392         (input_node): Likewise do not read info no longer stored.
393         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
394         flag.
395
396 2010-04-30  Richard Guenther  <rguenther@suse.de>
397
398         PR tree-optimization/43879
399         * tree-ssa-structalias.c (get_constraint_for_1): Properly
400         handle non-zero initializers.
401
402 2010-04-30  Richard Guenther  <rguenther@suse.de>
403
404         * builtins.c (fold_builtin_1): Delete free (0).
405
406 2010-04-29  Jan Hubicka  <jh@suse.cz>
407
408         * gengtype.c (open_base_files): Add lto-streamer.h
409         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
410         (pass_ipa_cp): GGC collect.
411         * toplev. (compile_file): Do not output symbols.
412         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
413         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
414         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
415         * lto-section-in.c: Include ggc.h
416         (lto_new_in_decl_state): Alloc in GGC.
417         (lto_delete_in_decl_state): Likewise.
418         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
419         Collect.
420
421 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
422
423         PR target/42895
424         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
425         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
426         (HONOR_REG_ALLOC_ORDER): Describe new macro.
427         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
428         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
429         account only if HONOR_REG_ALLOC_ORDER is not defined.
430         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
431         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
432
433 2010-04-29  Jon Grant  <04@jguk.org>
434
435         * collect2.c (vflag): Change type from int to bool.
436         (debug): Likewise.
437         (helpflag): New global bool.
438         (main): Set vflag and debug with boolean, not integer truth values.
439         Accept new "--help" option and output usage text if found.
440         * collect2.h (vflag): Update prototype.
441         (debug): Likewise.
442
443 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
444
445         PR bootstrap/43936
446         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
447
448 2010-04-29  Richard Guenther  <rguenther@suse.de>
449
450         PR bootstrap/43935
451         * plugin.h (invoke_plugin_callbacks): Annotate arguments
452         with ATTRIBUTE_UNUSED.
453
454 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
455
456         PR target/43921
457         * config/i386/i386.c (get_some_local_dynamic_name): Replace
458         INSN_P with NONDEBUG_INSN_P.
459         (distance_non_agu_define): Likewise.
460         (distance_agu_use): Likewise.
461
462 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
463
464         From Dominique d'Humieres <dominiq@lps.ens.fr>
465         PR bootstrap/43858
466         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
467         test_set.
468
469 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
470
471         * plugin.h (invoke_plugin_callbacks): New inline function.
472         * plugin.c (flag_plugin_added): New global flag.
473         (add_new_plugin): Initialize above flag.
474         (invoke_plugin_callbacks): Rename to ...
475         (invoke_plugin_callbacks_full): ... this.
476
477 2010-04-28  Jan Hubicka  <jh@suse.cz>
478
479         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
480         (lto_varpool_replace_node): New.
481         (lto_symtab_resolve_symbols): Resolve varpool nodes.
482         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
483         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
484         * cgraph.h (varpool_node_ptr): New type.
485         (varpool_node_ptr): New vector.
486         (varpool_node_set_def): New structure.
487         (varpool_node_set): New type.
488         (varpool_node_set): New vector.
489         (varpool_node_set_element_def): New structure.
490         (varpool_node_set_element, const_varpool_node_set_element): New types.
491         (varpool_node_set_iterator): New type.
492         (varpool_node): Add prev pointers, add used_from_other_partition,
493         in_other_partition.
494         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
495         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
496         varpool_get_node, varpool_remove_node): Declare.
497         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
498         varpool_node_set_size): New inlines.
499         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
500         * tree-pass.h (varpool_node_set_def): Forward declare.
501         (ipa_opt_pass_d): Summary writting takes vnode sets too.
502         (ipa_write_optimization_summaries): Update prototype.
503         * ipa-cp.c (ipcp_write_summary): Update.
504         * ipa-reference.c (ipa_reference_write_summary): Update.
505         * lto-cgraph.c (lto_output_varpool_node): New static function.
506         (output_varpool): New function.
507         (input_varpool_node): New static function.
508         (input_varpool_1): New function.
509         (input_cgraph): Input varpool.
510         * ipa-pure-const.c (pure_const_write_summary): Update.
511         * lto-streamer-out.c (lto_output): Update, output varpool too.
512         (write_global_stream): Kill WPA hack.
513         (produce_asm_for_decls): Update.
514         (output_alias_pair_p): Handle variables.
515         (output_unreferenced_globals): Output only needed partition of varpool.
516         * ipa-inline.c (inline_write_summary): Update.
517         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
518         cgraph.
519         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
520         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
521         varpool_node_set_new, varpool_node_set_add,
522         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
523         debug_varpool_node_set): New functions.
524         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
525         (execute_one_pass): Process new decls too.
526         (ipa_write_summaries_2): Pass around vsets.
527         (ipa_write_summaries_1): Likewise.
528         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
529         to add.
530         (ipa_write_optimization_summaries_1): Pass around vsets.
531         (ipa_write_optimization_summaries): Likewise.
532         * varpool.c (varpool_get_node): New.
533         (varpool_node): Update doubly linked lists.
534         (varpool_remove_node): New.
535         (dump_varpool_node): More dumping.
536         (varpool_enqueue_needed_node): Update doubly linked lists.
537         (decide_is_variable_needed): Kill ltrans hack.
538         (varpool_finalize_decl): Kill lto hack.
539         (varpool_assemble_decl): Skip decls in other partitions.
540         (varpool_assemble_pending_decls): Update doubly linkes lists.
541         (varpool_empty_needed_queue): Likewise.
542         (varpool_extra_name_alias): Likewise.
543         * lto-streamer.c (lto_get_section_name): Add vars section.
544         * lto-streamer.h (lto_section_type): Update.
545         (output_varpool, input_varpool): Declare.
546
547 2010-04-28  Mike Stump  <mikestump@comcast.net>
548
549         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
550
551 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
552
553         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
554         record or union type with RECORD_OR_UNION_TYPE_P predicate.
555         (lto_input_ts_type_tree_pointers): Likewise.
556         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
557         (lto_output_ts_type_tree_pointers): Likewise.
558
559 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
560
561         Uniquization of constants at the Tree level
562         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
563         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
564         bit to the end.
565         (tree_output_constant_def): Declare.
566         * gimplify.c (gimplify_init_constructor): When using block copy, first
567         uniquize the constant constructor on the RHS.
568         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
569         DECL_IN_CONSTANT_POOL flag.
570         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
571         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
572         constant pool.
573         (assemble_variable): Deal with symbols belonging to the tree constant
574         pool.
575         (get_constant_section): Add ALIGN parameter and simplify.
576         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
577         (assemble_constant_contents): Use the expression of the VAR_DECL.
578         (output_constant_def_contents): Use the alignment of the VAR_DECL.
579         (tree_output_constant_def): New global function.
580         (mark_constant): Use the expression of the VAR_DECL.
581         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
582         its expression.
583         (output_object_block): Likewise and assemble the expression.
584
585 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
586
587         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
588         hash_tree, eq_tree): New tree hash table.
589         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
590         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
591         lto_orig_address_remove): Reimplement.
592
593 2010-04-28  Xinliang David Li  <davidxl@google.com>
594
595         PR c/42643
596         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
597         (compute_uninit_opnds_pos): New function.
598         (is_non_loop_exit_postdominating): New function.
599         (compute_control_dep_chain): New function.
600         (find_pdom): New function.
601         (convert_control_dep_chain_into_preds): New function.
602         (find_predicates): New function.
603         (find_control_equiv_block): New function.
604         (collect_phi_def_edges): New function.
605         (find_def_preds): New function.
606         (find_dom): New function.
607         (dump_predicates): New function.
608         (get_cmp_code): New function.
609         (is_value_included_in): New function.
610         (find_matching_predicate_in_rest_chains): New function.
611         (use_pred_not_overlap_with_undef_path_pred): New function.
612         (is_use_properly_guarded): New function.
613         (normalize_cond_1): New function.
614         (is_and_or_or): New function.
615         (normalize_cond): New function.
616         (is_gcond_subset_of): New function.
617         (is_subset_of_any): New function.
618         (is_or_set_subset_of): New function.
619         (is_and_set_subset_of): New function.
620         (is_norm_cond_subset_of): New function.
621         (is_pred_expr_subset_of): New function.
622         (is_pred_chain_subset_of): New function.
623         (is_included_in): New function.
624         (is_superset_of): New function.
625         (find_uninit_use): New function.
626         (warn_uninitialized_phi): New function.
627         (compute_possibly_undefined_names): New function.
628         (ssa_undefined_value_p): New function.
629         (execute_late_warn_uninitialized): New function.
630         * tree-ssa.c (ssa_undefined_value_p): Removed.
631         (warn_uninit): Changed to extern.
632         (warn_uninitialized_phi): Removed.
633         (warn_uninitialized_vars): Changed to extern.
634         (execute_late_warn_uninitialized): Removed
635         * tree-flow.h: Add new prototypes.
636         * timevar.def: Add new time variable.
637         * Makefile.in: Add new build file.
638
639 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
640
641         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
642         type if available.
643
644 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
645
646         PR target/22224
647         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
648
649 2010-04-28  Martin Jambor  <mjambor@suse.cz>
650
651         * cgraph.h (struct cgraph_node): New field indirect_calls.
652         (struct cgraph_indirect_call_info): New type.
653         (struct cgraph_edge): Removed field indirect_call. New fields
654         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
655         (cgraph_create_indirect_edge): Declare.
656         (cgraph_make_edge_direct): Likewise.
657         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
658         * ipa-prop.h (struct ipa_param_call_note): Removed.
659         (struct ipa_node_params): Removed field param_calls.
660         (ipa_create_all_structures_for_iinln): Declare.
661         * cgraph.c: Described indirect edges and uids in initial comment.
662         (cgraph_add_edge_to_call_site_hash): New function.
663         (cgraph_edge): Search also among the indirect edges, use
664         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
665         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
666         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
667         site hash.
668         (initialize_inline_failed): Assign a reason to indirect edges.
669         (cgraph_create_edge_1): New function.
670         (cgraph_create_edge): Moved some functionality to
671         cgraph_create_edge_1.
672         (cgraph_create_indirect_edge): New function.
673         (cgraph_edge_remove_callee): Add an assert checking for
674         non-indirectness.
675         (cgraph_edge_remove_caller): Special-case indirect edges.
676         (cgraph_remove_edge): Likewise.
677         (cgraph_set_edge_callee): New function.
678         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
679         (cgraph_make_edge_direct): New function.
680         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
681         the declaration of the call statement matches.
682         (cgraph_node_remove_callees): Special-case indirect edges.
683         (cgraph_clone_edge): Likewise.
684         (cgraph_clone_node): Clone also the indirect edges.
685         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
686         indirect_call, dump count of indirect_calls edges.
687         * ipa-prop.c (iinlining_processed_edges): New variable.
688         (ipa_note_param_call): Create indirect edges instead of
689         creating notes.  New parameter node.
690         (ipa_analyze_call_uses): New parameter node, pass it on to
691         ipa_note_param_call.
692         (ipa_analyze_stmt_uses): Likewise.
693         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
694         (print_edge_addition_message): Work on edges rather than on notes.
695         (update_call_notes_after_inlining): Likewise, renamed to
696         update_indirect_edges_after_inlining.
697         (ipa_create_all_structures_for_iinln): New function.
698         (ipa_free_node_params_substructures): Do not free notes.
699         (ipa_edge_duplication_hook): Propagate bits within
700         iinlining_processed_edges bitmap.
701         (ipa_node_duplication_hook): Do not duplicate notes.
702         (free_all_ipa_structures_after_ipa_cp): Renamed to
703         ipa_free_all_structures_after_ipa_cp.
704         (free_all_ipa_structures_after_iinln): Renamed to
705         ipa_free_all_structures_after_iinln.g
706         (ipa_write_param_call_note): Removed.
707         (ipa_read_param_call_note): Removed.
708         (ipa_write_indirect_edge_info): New function.
709         (ipa_read_indirect_edge_info): Likewise.
710         (ipa_write_node_info): Do not stream notes, do stream information
711         in indirect edges.
712         (ipa_read_node_info): Likewise.
713         (lto_ipa_fixup_call_notes): Removed.
714         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
715         * ipa-inline.c (pass_ipa_inline): Likewise.
716         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
717         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
718         * tree-inline.c (copy_bb): Removed an unnecessary double check for
719         is_gimple_call.
720         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
721         edges.
722         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
723         (output_cgraph): Stream also indirect edges.
724         (lto_output_edge): Added capability to stream indirect edges.
725         (input_edge): Likewise.
726         (input_cgraph_1): Likewise.
727         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
728         of indirect edges.
729
730 2010-04-28  Richard Guenther  <rguenther@suse.de>
731
732         PR tree-optimization/43879
733         PR tree-optimization/43909
734         * tree-ssa-structalias.c (struct variable_info): Add
735         only_restrict_pointers flag.
736         (new_var_info): Initialize it.  Increment stats.total_vars here.
737         (create_function_info_for): Do not increment stats.total_vars
738         here.
739         (get_function_part_constraint): Fix build with C++.
740         (insert_into_field_list): Remove.
741         (push_fields_onto_fieldstack): Properly merge fields.
742         (create_variable_info_for): Split and simplify.
743         (create_variable_info_for_1): New piece.
744         (intra_create_variable_infos): Properly make restrict constraints
745         from parameters.
746
747 2010-04-28  Richard Guenther  <rguenther@suse.de>
748
749         PR c++/43880
750         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
751
752 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
753             Jan Hubicka <hubicka@ucw.cz>
754
755         * doc/invoke.texi (-Wsuggest-attribute=const,
756         -Wsuggest-attribute=pure): Document.
757         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
758         (function_always_visible_to_compiler_p,
759         suggest_attribute, warn_function_pure, warn_function_const):
760         New functions.
761         (check_call): Improve debug info.
762         (analyze_function): Do not check availability.
763         (add_new_function): Check availability.
764         (propagate): Output warnings.
765         (skip_function_for_local_pure_const): New function.
766         (local_pure_const): Use it; output warnings.
767         * common.opt (Wsuggest-attribute=const,
768         Wsuggest-attribute=pure): New.
769
770 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
771
772         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
773         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
774         or DW_CFA_def_cfa_offset{,_sf}.
775
776 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
777
778         * tree.h: Fix truncated long macros.
779
780 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
781
782         * collect2.c (TARGET_64BIT): Redefine to target's default.
783         * tlink.c: Likewise.
784         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
785         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
786         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
787         for underscoring __USER_LABEL_PREFIX__.
788         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
789         (SUB_LINK_ENTRY32): New.
790         (SUB_LINK_ENTRY64): New.
791         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
792         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
793         (SUB_LINK_ENTRY64): New.
794         (SUB_LINK_ENTRY): New.
795         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
796         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
797         x64 target is choosen.
798         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
799         * configure: Regenerated.
800         * configure.ac (leading-mingw64-underscores): Option added.
801
802 2010-04-27  Jan Hubicka  <jh@suse.cz>
803
804         * doc/invoke.texi (-fipa-profile): Document.
805         * opts.c (decode_options): Enable ipa-profile at -O1.
806         * timevar.def (TV_IPA_PROFILE): Define.
807         * common.opt (fipa-profile): Add.
808         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
809         flag for clones.
810         (cgraph_propagate_frequency): Handle only local ones.
811         * tree-pass.h (pass_ipa_profile): Declare.
812         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
813         (pass_ipa_profile): Use TV_IPA_PROFILE.
814         * ipa.c (ipa_profile): New function.
815         (gate_ipa_profile): Likewise.
816         (pass_ipa_profile): New global variable.
817         * passes.c (pass_ipa_profile): New.
818
819 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
820
821         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
822
823 2010-04-27  Martin Jambor  <mjambor@suse.cz>
824
825         PR middle-end/43812
826         * ipa.c (dissolve_same_comdat_group_list): New function.
827         (function_and_variable_visibility): Call
828         dissolve_same_comdat_group_list when comdat group contains external or
829         newly local nodes.
830         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
831         lists are circular and that they contain only DECL_ONE_ONLY nodes.
832
833 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
834
835         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
836         (const_hash_1) <VECTOR_CST>: New case.
837         (compare_constant) <VECTOR_CST>: Likewise.
838         <ADDR_EXPR>: Deal with LABEL_REFs.
839         (copy_constant) <VECTOR_CST>: New case.
840
841 2010-04-27  Jan Hubicka  <jh@suse.cz>
842
843         * cgraph.c (cgraph_propagate_frequency): New function.
844         * cgraph.h (cgraph_propagate_frequency): Declare.
845         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
846         cgraph_propagate_frequency.
847
848 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
849
850         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
851
852 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
853
854         PR target/40657
855         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
856         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
857         here to determine which regs to push and how much stack to reserve.
858
859 2010-04-27  Jie Zhang  <jie@codesourcery.com>
860
861         * doc/gimple.texi (gimple_statement_with_ops): Remove
862         addresses_taken field.
863         (gimple_statement_with_memory_ops): Likewise.
864
865 2010-04-27  Jan Hubicka  <jh@suse.cz>
866
867         * tree-inline.c (eni_inlining_weights): Remove.
868         (estimate_num_insns): Special case more builtins.
869
870 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
871
872         PR c/32207
873         * c-typeck.c (build_binary_op): Move forward check for comparison
874         pointer with null pointer constant and adjust the diagnostic message.
875
876 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
877
878         PR lto/42776
879         * configure.ac (gcc_cv_as_section_has_align): Set if installed
880         binutils supports extended .section directive needed by LTO, or
881         warn if older binutils found.
882         (LTO_BINARY_READER): New AC_SUBST'd variable.
883         (LTO_USE_LIBELF): Likewise.
884         * gcc/config.gcc (lto_binary_reader): New target-specific configure
885         variable.
886         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
887         (LTO_USE_LIBELF): Likewise.
888         * configure: Regenerate.
889
890         * collect2.c (is_elf): Rename from this ...
891         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
892          object files in addition to ELF-formatted ones.
893         (scan_prog_file): Caller updated.  Also allow for LTO info marker
894         symbol to be prefixed or not by an extra underscore.
895
896         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
897         * config/i386/winnt.c: Also #include lto-streamer.h
898         (i386_pe_asm_named_section): Specify 1-byte section alignment for
899         LTO named sections.
900         (i386_pe_asm_output_aligned_decl_common): Add comment.
901         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
902
903 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
904
905         PR target/43889
906         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
907         Add missing earlyclobber for second alternative.
908
909 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
910
911         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
912         bits for artificial defs at the top of the block.
913         * fwprop.c (single_def_use_enter_block): Don't call it.
914
915 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
916
917         PR 43715
918         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
919         instead of "$gcc_cv_objdump -T".
920         Use "-undefined dynamic_lookup" on darwin.
921         * gcc/configure: Regenerate.
922
923 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
924
925         PR c/43893
926         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
927
928 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
929
930         * c-parser.c (struct c_token): Move location field up.
931         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
932         (struct c_declspecs): Convert typespec_word, storage_class, and
933         default_int_p into bitfields.
934         (struct c_declarator): Move loc field up.
935
936 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
937
938         * cfgloop.h (struct loop): Move can_be_parallel field up.
939         * ipa-prop.h (struct ip_node_params): Move bitfields up.
940         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
941         down.
942         (struct iv_cand): Convert pos field into a bitfield.
943         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
944         field up.
945         (struct _stmt_vec_info): Shuffle fields for better packing.
946
947 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
948
949         * varasm.c (IN_NAMED_SECTION): Remove guard.
950         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
951         (IN_NAMED_SECTION_P): ...this.
952         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
953         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
954
955 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
956
957         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
958         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
959         of shadowing it.  Fix comments.
960
961 2010-04-26  Jan Hubicka  <jh@suse.cz>
962
963         * cgraph.c (cgraph_create_node): Set node frequency to normal.
964         (cgraph_clone_node): Copy function frequency.
965         * cgraph.h (node_frequency): New enum
966         (struct cgraph_node): Add.
967         * final.c (rest_of_clean_state): Update.
968         * lto-cgraph.c (lto_output_node): Output node frequency.
969         (input_overwrite_node): Input node frequency.
970         * tre-ssa-loop-ivopts (computation_cost): Update.
971         * lto-streamer-out.c (output_function): Do not output function
972         frequency.
973         * predict.c (maybe_hot_frequency_p): Update and handle functions
974         executed once.
975         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
976         attribute lookup.
977         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
978         (compute_function_frequency): Set noreturn functions to be executed
979         once.
980         (choose_function_section): Update.
981         * lto-streamer-in.c (input_function): Do not input function frequency.
982         * function.c (allocate_struct_function): Do not initialize function
983         frequency.
984         * function.h (function_frequency): Remove.
985         (struct function): Remove function frequency.
986         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
987         (try_update): Update.
988         * tree-inline.c (initialize_cfun): Do not update function frequency.
989         * passes.c (pass_init_dump_file): Update.
990         * i386.c (ix86_compute_frame_layout): Update.
991         (ix86_pad_returns): Update.
992
993 2010-04-26  Jie Zhang  <jie@codesourcery.com>
994
995         PR tree-optimization/43833
996         * tree-vrp.c (range_int_cst_p): New.
997         (range_int_cst_singleton_p): New.
998         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
999         when both operands are constants.  Use range_int_cst_p in
1000         BIT_IOR_EXPR case.
1001
1002 2010-04-26  Jan Hubicka  <jh@suse.cz>
1003
1004         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1005
1006 2010-04-26  Richard Guenther  <rguenther@suse.de>
1007
1008         PR lto/43080
1009         * gimple.c (gimple_decl_printable_name): Deal gracefully
1010         with a NULL DECL_NAME.
1011
1012 2010-04-26  Richard Guenther  <rguenther@suse.de>
1013
1014         PR lto/42425
1015         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1016         if emitting debug information and it is either a function
1017         or a namespace decl.
1018
1019 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1020
1021         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1022         determine if the statement is vectorizable, and a macro to access it.
1023         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1024         Skip statements that can't be vectorized. If the analysis fails,
1025         mark the statement as unvectorizable if vectorizing basic block.
1026         (vect_compute_data_refs_alignment): Likewise.
1027         (vect_verify_datarefs_alignment): Skip statements marked as
1028         unvectorizable. Add print.
1029         (vect_analyze_group_access): Skip statements that can't be
1030         vectorized. If the analysis fails, mark the statement as
1031         unvectorizable if vectorizing basic block.
1032         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1033         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1034         generated stmts for SLP.
1035         (new_stmt_vec_info): Initialize the new field.
1036         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1037         statements marked as unvectorizable.
1038
1039 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1040
1041         * c-common.c (flag_isoc1x): New.
1042         (flag_isoc99): Update comment.
1043         * c-common.h (flag_isoc1x): New.
1044         (flag_isoc99): Update comment.
1045         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1046         __<type>_DECIMAL_DIG__.
1047         * c-opts.c (set_std_c1x): New.
1048         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1049         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1050         * c.opt (-std=c1x, -std=gnu1x): New options.
1051         * doc/cpp.texi: Mention -std=c1x.
1052         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1053         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1054         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1055         * doc/standards.texi: Mention C1X.
1056         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1057         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1058         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1059         Define for C1X.
1060
1061 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1062
1063         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1064         placeholder from 0x%x to %#x.
1065         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1066         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1067         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1068         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1069         * config/i386/i386.c (ix86_target_string): Ditto.
1070         (output_pic_addr_const): Ditto.
1071         (print_operand): Ditto.
1072
1073 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1074
1075         * combine.c (find_split_point): Add third argument.  Use it
1076         to find nested multiply-accumulate instructions.  Adjust calls.
1077         (try_combine): Adjust call to find_split_point.
1078
1079 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1080
1081         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1082
1083 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1084
1085         PR tree-optimization/41442
1086         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1087         (fold_binary_loc): Call it.
1088
1089 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1090
1091         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1092         * opts.c (common_handle_option): Allow disabling it.
1093         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1094
1095 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1096
1097         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1098         between modes if both types are integral.
1099
1100 2010-04-23  Richard Guenther  <rguenther@suse.de>
1101
1102         PR tree-optimization/43572
1103         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1104
1105 2010-04-23  Richard Guenther  <rguenther@suse.de>
1106
1107         PR lto/43455
1108         * tree-inline.c (tree_can_inline_p): Also check compatibility
1109         of return types.
1110
1111 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1112
1113         PR tree-optimization/43846
1114         * tree-sra.c (struct access): New flag grp_assignment_read.
1115         (build_accesses_from_assign): Set grp_assignment_read.
1116         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1117         (enum mark_read_status): New type.
1118         (analyze_access_subtree): Propagate grp_assignment_read, create
1119         accesses also if both direct_read and root->grp_assignment_read.
1120
1121 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1122
1123         PR middle-end/43835
1124         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1125         function does not have type attributes.
1126
1127 2010-04-23  Richard Guenther  <rguenther@suse.de>
1128
1129         PR lto/42653
1130         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1131         of FUNCTION_DECLs.
1132
1133 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1134
1135         * sese.h (create_if_region_on_edge): Remove.
1136
1137         * sese.c (create_if_region_on_edge): Make static.
1138
1139         * tree-inline.c: Do not include ggc.h.
1140
1141         * expr.c: Do not include ggc.h.
1142
1143         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1144         dependencies.
1145
1146 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1147
1148         PR target/43744
1149         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1150         in the middle of insns for casesi_worker_2.
1151
1152 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1153
1154         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1155
1156 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1157
1158         PR tree-optimization/43842
1159         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1160         loop unrolling in update of exit phis. Fix comment.
1161         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1162         least two reduction statements in the loop before starting SLP
1163         analysis.
1164
1165 2010-04-22  Nick Clifton  <nickc@redhat.com>
1166
1167         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1168
1169 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1170
1171         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1172         to simplify a + ~a.
1173
1174 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1175
1176         * tree-parloops.c (loop_parallel_p): New argument
1177         parloop_obstack.  Pass it down.
1178         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1179         pass it down, free it.
1180
1181         * tree-loop-linear.c (linear_transform_loops): Pass down
1182         lambda_obstack.
1183
1184         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1185         of type struct obstack *.
1186
1187         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1188         scratch_obstack.  Initialize it, pass down, free it.
1189
1190         * lambda.h (lambda_loop_new): Remove.
1191         (lambda_matrix_new, lambda_matrix_inverse)
1192         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1193         argument of type struct obstack *.
1194
1195         * lambda-trans.c (lambda_trans_matrix_new): New argument
1196         lambda_obstack.  Pass it down, use obstack allocation for ret.
1197         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1198         it down.
1199
1200         * lambda-mat.c (lambda_matrix_get_column)
1201         (lambda_matrix_project_to_null): Remove.
1202         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1203         allocation for mat.
1204         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1205         lambda_obstack.
1206
1207         * lambda-code.c (lambda_loop_new): New function.
1208         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1209         (lambda_compute_auxillary_space, lambda_compute_target_space)
1210         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1211         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1212         (build_access_matrix): New argument lambda_obstack.  Use obstack
1213         allocation for am.
1214         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1215         argument lambda_obstack.  Pass it down.
1216
1217 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1218
1219         * optabs.h (expand_widening_mult): Declare.
1220
1221 2010-04-22  Richard Guenther  <rguenther@suse.de>
1222
1223         PR tree-optimization/43845
1224         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1225         lookup the CALL_EXPR function and arguments.
1226
1227 2010-04-22  Nick Clifton  <nickc@redhat.com>
1228
1229         * config/stormy16/stormy16.c
1230         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1231         * config/stormy16/stormy16.h: Tidy up formatting.
1232         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1233         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1234         (ineqbranchsi): Delete pattern.
1235         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1236         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1237         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1238         stormy16-lib2-ucmpsi2.c.
1239
1240 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1241
1242         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1243         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1244         extra set merge_set_noclobber, and use it to relax the final test
1245         slightly.
1246         * df.h (df_simulate_find_noclobber_defs): Declare.
1247         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1248         conditional defs.
1249         (df_simulate_find_noclobber_defs): New function.
1250
1251 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1252
1253         * config/i386/i386.md: Use {} around multi-line preparation statements.
1254
1255 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1256
1257         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1258         (process_init_element): New argument of type struct obstack *.
1259
1260         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1261         (set_init_index, set_init_label, set_nonincremental_init)
1262         (set_nonincremental_init_from_string, find_init_member)
1263         (output_init_element, output_pending_init_elements)
1264         (process_init_element): New argument braced_init_obstack.  Pass it
1265         down.
1266         (push_range_stack, add_pending_init): New argument
1267         braced_init_obstack.  Use obstack allocation.
1268
1269         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1270         braced_init_obstack.  Pass it down.
1271         (c_parser_braced_init): New variables ret, braced_init_obstack.
1272         Initialize obstack, pass it down and finally free it.
1273
1274 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1275
1276         PR middle-end/29274
1277         * tree-pass.h (pass_optimize_widening_mul): Declare.
1278         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1279         gate_optimize_widening_mul): New static functions.
1280         (pass_optimize_widening_mul): New.
1281         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1282         <case MULT_EXPR>: Remove support for widening multiplies.
1283         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1284         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1285         simplify_gen_unary rather than directly building extensions.
1286         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1287         WIDEN_MULT_EXPR.
1288         * expmed.c (expand_widening_mult): New function.
1289         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1290
1291 2010-04-21  Jan Hubicka  <jh@suse.cz>
1292
1293         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1294         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1295         * lto-wpa-fixup.c: Remove.
1296         * Makefile.in (lto-wpa-fixup.o): Remove.
1297         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1298         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1299         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1300
1301 2010-04-21  Jan Hubicka  <jh@suse.cz>
1302
1303         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1304         add write_optimization_summary, read_optimization_summary.
1305         (ipa_write_summaries_of_cgraph_node_set): Remove.
1306         (ipa_write_optimization_summaries): Declare.
1307         (ipa_read_optimization_summaries): Declare.
1308         * ipa-cp.c (pass_ipa_cp): Update.
1309         * ipa-reference.c (pass_ipa_reference): Update.
1310         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1311         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1312         Update.
1313         * ipa-inline.c (pass_ipa_inline): Update.
1314         * ipa.c (pass_ipa_whole_program): Update.
1315         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1316         * passes.c (ipa_write_summaries_1): Do not test wpa.
1317         (ipa_write_optimization_summaries_1): New.
1318         (ipa_write_optimization_summaries): New.
1319         (ipa_read_summaries): Do not test ltrans.
1320         (ipa_read_optimization_summaries_1): New.
1321         (ipa_read_optimization_summaries): New.
1322
1323 2010-04-21  Jan Hubicka  <jh@suse.cz>
1324
1325         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1326         for boundary nodes.
1327         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1328
1329 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1330
1331         PR debug/40040
1332         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1333         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1334
1335 2010-04-21  Jan Hubicka  <jh@suse.cz>
1336
1337         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1338
1339 2010-04-21  Jan Hubicka  <jh@suse.cz>
1340
1341         * varpool.c (decide_is_variable_needed): Variable is always needed
1342         during ltrans.
1343
1344 2010-04-21  Jan Hubicka  <jh@suse.cz>
1345
1346         * opts.c (decode_options): Enable pure-const pass for whopr.
1347
1348 2010-04-21  Jan Hubicka  <jh@suse.cz>
1349
1350         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1351         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1352         at WPA dumping.
1353         (cgraph_decide_inlining): Do not expect callee to be removed in all
1354         cases.
1355
1356 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1357
1358         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1359
1360 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1361
1362         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1363         amdfam10_decode attributes.
1364
1365 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1366
1367         PR middle-end/43570
1368         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1369         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1370         (lower_copyprivate_clauses): Use private var in outer
1371         context instead of original var.  Make sure the types
1372         are correct for VLAs.
1373
1374 2010-04-21  Richard Guenther  <rguenther@suse.de>
1375
1376         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1377         to non-pointer objects.
1378
1379 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1380
1381         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1382         last chain entry if it starts with the still current label.
1383         (add_location_or_const_value_attribute): Check that
1384         loc_list->first->next is NULL instead of comparing ->first with ->last.
1385         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1386         to add_var_loc_to_decl.
1387
1388         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1389         >= 4 add also address size and segment size fields into CIE header.
1390
1391         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1392         long as address size is the same as sizeof (void *) and
1393         segment size is 0.
1394         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1395         address size or segment size is unexpected, return DW_EH_PE_omit.
1396         (classify_object_over_fdes): If get_cie_encoding returned
1397         DW_EH_PE_omit, return -1.
1398         (init_object): If classify_object_over_fdes returned -1,
1399         pretend there were no FDEs at all.
1400
1401 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1402
1403         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1404         bswap{si,di}2 using SWI48 mode iterator.
1405         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1406         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1407         set modrm attribute of bswap insn to 0 and remove length attribute.
1408         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1409         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1410         set mode attribute to <MODE> and remove length attribute.
1411
1412 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1413
1414         PR rtl-optimization/43520
1415         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1416         zero available registers.
1417
1418 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1419
1420         * builtins.c (fold_builtin_cproj): Fold more cases.
1421
1422 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1423
1424         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1425         (fold_builtin_1): Fold builtin cproj.
1426         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1427         Use ATTR_CONST_NOTHROW_LIST.
1428
1429 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1432         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1433         ffsi2_no_cmove for !TARGET_CMOVE.
1434         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1435         (ffssi2): Remove expander.
1436         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1437         mode iterator.
1438         (ctz<mode>2): Ditto from ctz{si,di}2.
1439         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1440         mode iterator.
1441         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1442         mode iterator.
1443
1444 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1445
1446         * dwarf2out.c (AT_linkage_name): Define.
1447         (clone_as_declaration): Handle DW_AT_linkage_name.
1448         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1449         of DW_AT_MIPS_linkage_name.
1450         (move_linkage_attr): Likewise.
1451         (dwarf2out_finish): Likewise.
1452
1453 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1454
1455         PR middle-end/41952
1456         * fold-const.c (fold_comparison): New folding rule.
1457
1458 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1459
1460         * double-int.h (double_int_setbit): Declare.
1461         * double-int.c (double_int_setbit): New function.
1462         * rtl.h (immed_double_int_const): Declare.
1463         * emit-rtl.c (immed_double_int_const): New function.
1464         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1465         and immed_double_int_const functions.
1466         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1467         expand_copysign_bit):  (Ditto.).
1468         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1469         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1470         * dojump.c (prefer_and_bit_test): (Ditto.).
1471         * expr.c (convert_modes, reduce_to_bit_field_precision,
1472         const_vector_from_tree): (Ditto.).
1473         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1474
1475 2010-04-20  Jan Hubicka  <jh@suse.cz>
1476
1477         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1478         (dump_cgraph_node): Dump new flags.
1479         * cgraph.h (struct cgraph_node): Add flags
1480         reachable_from_other_partition and in_other_partition.
1481         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1482         other partition can not be removed.
1483         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1484         the other partition must be output; silence sanity checking on
1485         leaking functions bodies from other paritition.
1486         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1487         (lto_output_node): Output new flags; do not sanity check that inline
1488         clones are output; drop lto_forced_extern_inline_p code; do not mock
1489         visibility flags at partition boundaries.
1490         (add_node_to): New function.
1491         (output_cgraph): Use it to sort functions so masters appear before
1492         clones.
1493         (input_overwrite_node): Input new flags.
1494         * passes.c (ipa_write_summaries): Do not call
1495         lto_new_extern_inline_states.
1496         * lto-section-out.c (forced_extern_inline,
1497         lto_new_extern_inline_states lto_delete_extern_inline_states,
1498         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1499         * lto-streamer.h (lto_new_extern_inline_states,
1500         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1501         lto_forced_extern_inline_p): Kill.
1502
1503 2010-04-20  Richard Guenther  <rguenther@suse.de>
1504
1505         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1506         from vars that can have pointers.
1507         (process_constraint): Dump useless constraints.
1508
1509 2010-04-20  Richard Guenther  <rguenther@suse.de>
1510
1511         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1512         (dump_sa_points_to_info): Remove asserts.
1513         (init_base_vars): nothing_id isn't an escape point nor does it
1514         have pointers.
1515
1516 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1517
1518         * tree.h (TYPE_REF_IS_RVALUE): Define.
1519         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1520         should_move_die_to_comdat, prune_unused_types_walk): Handle
1521         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1522         (modified_type_die, gen_reference_type_die): Emit
1523         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1524         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1525
1526 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1527
1528         PR target/43635
1529         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1530         calls for -fpic -m31 if they have been sibcall optimized.
1531
1532 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1533
1534         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1535         ar.lc fixed and call-used.
1536
1537         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1538
1539 2010-04-19  Jan Hubicka  <jh@suse.cz>
1540
1541         * opts.c (decode_options): Disable whpr incompatible passes.
1542         * lto/lto.c (lto_1_to_1_map): Skip clones.
1543         (read_cgraph_and_symbols): Do not mark everything as needed.
1544         (do_whole_program_analysis): Do map only after optimizing;
1545         set proper cgraph_state; use passmanager.
1546
1547 2010-04-19  DJ Delorie  <dj@redhat.com>
1548
1549         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1550         POINTER_PLUS_EXPR and fix them.
1551
1552 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1553
1554         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1555         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1556         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1557         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1558         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1559         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1560         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1561         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1562         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1563         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1564         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1565
1566 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1567
1568         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1569         (check_cond_move_block): Likewise.
1570         (cond_move_process_if_block): Likewise.
1571         (noce_find_if_block): Improve formatting.
1572         (find_if_header): Pass 0 to memset and tweak conditions.
1573         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1574
1575 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1576
1577         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1578         for -gdwarf-4.
1579
1580         PR middle-end/43337
1581         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1582         with non-local decl doesn't need chain.
1583
1584 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1585
1586         * ira-color.c (allocno_reload_assign): Avoid accumulating
1587         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1588
1589 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1590
1591         * gimple.h (create_tmp_reg): Declare.
1592         * gimplify.c (create_tmp_reg): New function.
1593         (gimplify_return_expr): Use create_tmp_reg.
1594         (gimplify_omp_atomic): Likewise.
1595         (gimple_regimplify_operands): Likewise.
1596         * tree-dfa.c (make_rename_temp): Likewise.
1597         * tree-predcom.c (predcom_tmp_var): Likewise.
1598         (reassociate_to_the_same_stmt): Likewise.
1599         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1600         (get_replaced_param_substitute): Likewise.
1601         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1602         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1603         * tree-ssa-pre.c (get_representative_for): Likewise.
1604         (create_expression_by_pieces): Likewise.
1605         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1606         (create_tailcall_accumulator): Likewise.
1607
1608 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1609
1610         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1611         new_stmt.
1612         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1613
1614 2010-04-19  Richard Guenther  <rguenther@suse.de>
1615
1616         PR tree-optimization/43796
1617         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1618         from SCEV in the lattice.
1619         (vrp_visit_phi_node): Dump change.
1620
1621 2010-04-19  Richard Guenther  <rguenther@suse.de>
1622
1623         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1624         * configure: Re-generated.
1625
1626 2010-04-19  Richard Guenther  <rguenther@suse.de>
1627
1628         PR tree-optimization/43783
1629         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1630         constant ARRAY_REF operands two and three if possible.
1631
1632 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1633
1634         PR target/43766
1635         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1636
1637 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1638
1639         PR target/43662
1640         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1641
1642 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1643
1644         PR tree-optimization/37027
1645         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1646         and macro to access it.
1647         (vectorizable_reduction): Add argument.
1648         (vect_get_slp_defs): Likewise.
1649         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1650         statements for possible use in SLP.
1651         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1652         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1653         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1654         add new argument.
1655         (vectorizable_reduction): Likewise.
1656         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1657         vect_get_slp_defs.
1658         (vectorizable_type_demotion, vectorizable_type_promotion,
1659         vectorizable_store): Likewise.
1660         (vect_analyze_stmt): Update call to vectorizable_reduction.
1661         (vect_transform_stmt): Likewise.
1662         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1663         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1664         from different interleaving chains in same node.
1665         (vect_slp_rearrange_stmts): New function.
1666         (vect_supported_load_permutation_p): Allow load permutations for
1667         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1668         inside SLP nodes if necessary.
1669         (vect_analyze_slp_instance): Handle reductions.
1670         (vect_analyze_slp): Try to build SLP instances originating from groups
1671         of reductions.
1672         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1673         (vect_get_constant_vectors): Create initial vectors for reductions
1674         according to reduction code. Add new argument.
1675         (vect_get_slp_defs): Add new argument, pass it to
1676         vect_get_constant_vectors.
1677         (vect_schedule_slp_instance): Remove SLP tree root statements.
1678
1679 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1680
1681         * tree.h (ENUM_IS_SCOPED): Define.
1682         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1683         for ENUM_IS_SCOPED enums.
1684
1685 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1686
1687         * fold-const.c (fold_comparison): Use ssizetype.
1688         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1689         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1690         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1691         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1692
1693         * tree.h (initialize_sizetypes): Remove parameter.
1694         (build_common_tree_nodes): Remove second parameter.
1695         * stor-layout.c (initialize_sizetypes): Remove parameter.
1696         Always create an unsigned type.
1697         (set_sizetype): Assert that the passed type is unsigned and simplify.
1698         * tree.c (build_common_tree_nodes): Remove second parameter.
1699         Adjust call to initialize_sizetypes.
1700         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1701         build_common_tree_nodes.
1702
1703 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1704
1705         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1706
1707 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1708
1709         PR tree-optimization/43771
1710         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1711         load permutation doesn't have gaps.
1712
1713 2010-04-18  Jan Hubicka  <jh@suse.cz>
1714
1715         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1716         (sse_prologue_save_insn expander): Use new pattern.
1717         (sse_prologue_save_insn1): New pattern and splitter.
1718         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1719         blocks.
1720         * i386.c (setup_incoming_varargs_64): Do not compute jump
1721         destination here.
1722         (ix86_gimplify_va_arg): Update alignment needed.
1723         (ix86_local_alignment): Do not align all local arrays to 128bit.
1724
1725 2010-04-17  Jan Hubicka  <jh@suse.cz>
1726
1727         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1728
1729 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1730
1731         * arm.md (negdi2): Remove redundant code to force values into a
1732         register.
1733
1734 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1735
1736         * arm/bpabi.S: Add EABI alignment attributes to objects.
1737         * arm/bpabi-v6m.S: Likewise.
1738         * arm/crti.asm: Likewise.
1739         * arm/crtn.asm: Likewise.
1740         * arm/lib1funcs.asm: Likewise.
1741         * arm/libunwind.S: Likewise.
1742
1743 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1744
1745         * arm-protos.h (tune_params): New structure.
1746         * arm.c (current_tune): New variable.
1747         (arm_constant_limit): Delete.
1748         (struct processors): Add pointer to the tune parameters.
1749         (arm_slowmul_tune): New tuning option.
1750         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1751         (all_cores): Adjust to pick up the tuning model.
1752         (arm_constant_limit): New function.
1753         (arm_override_options): Select the appropriate tuning model.  Delete
1754         initialization of arm_const_limit.
1755         (arm_split_constant): Use the new constant-limit model.
1756         (arm_rtx_costs): Pick up the current tuning model.
1757         * arm.md (is_strongarm, is_xscale): Delete.
1758         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1759         for Xscale variant architectures.
1760         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1761
1762 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1763
1764         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1765         can_shift.
1766         (arm_rtx_costs_1): Remove unused variable extra_cost.
1767         (arm_unwind_emit_set): Use variable offset.
1768         (thumb1_output_casesi): Remove unused variable flags.
1769
1770 2010-04-16  Jeff Law  <law@redhat.com>
1771
1772         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1773         needing assignment rather than doing a two-phase assignment.  Remove
1774         unused variable 'm'.
1775
1776 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1777
1778         PR bootstrap/43767
1779         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1780
1781 2010-04-16  Doug Kwan  <dougkwan@google.com>
1782
1783         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1784         (next_operand_entry_id): New static variable.
1785         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1786         (add_to_ops_vec): Assigned unique ID to operand entry.
1787         (struct oecount_s): New field ID.
1788         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1789         (undistribute_ops_list): Assign unique IDs to oecounts.
1790         (init_reassoc): reset next_operand_entry_id.
1791
1792 2010-04-16  Doug Kwan  <dougkwan@google.com>
1793
1794         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1795         missing left parenthesis.
1796
1797 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1798
1799         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1800         *btdi_rex64 using SWI48 mode iterator.
1801         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1802         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1803         *jcc_btdi_mask_rex64.
1804
1805 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1806
1807         * double-int.h (tree_to_double_int): Convert to macro.
1808         * double-int.c (tree_to_double_int): Remove.
1809
1810 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1811
1812         PR debug/43762
1813         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1814         with want_address 2 and in case a single element list might be
1815         possible, call it again with want_address 0.
1816
1817 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1818
1819         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1820         case 'W' print operands for HI mode.
1821         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1822         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1823         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1824         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1825
1826         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1827
1828         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1829         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1830         #xx:3 and #xx:4 mode.
1831
1832         * config/h8300/h8300.md (inverted load with HImode dest): Add
1833         support for H8300SX.
1834
1835         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1836         satisfy 'U' constraint.
1837
1838 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1839
1840         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1841         * configure: Regenerate.
1842         * config.in: Regenerate.
1843         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1844         works.
1845
1846 2010-04-16  Richard Guenther  <rguenther@suse.de>
1847
1848         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1849         (struct tree_decl_common): ... here.
1850         (DECL_PT_UID): Adjust.
1851         (SET_DECL_PT_UID): Likewise.
1852         (DECL_PT_UID_SET_P): Likewise.
1853
1854 2010-04-16  Richard Guenther  <rguenther@suse.de>
1855
1856         PR tree-optimization/43572
1857         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1858         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1859         * tree-flow.h (is_call_clobbered): Remove.
1860         * tree-flow-inline.h (is_call_clobbered): Likewise.
1861         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1862         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1863         (execute_return_slot_opt): Adjust.
1864         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1865         check for call clobbered vars here.
1866         (find_tail_calls): Move tailcall verification to the
1867         proper place.
1868
1869 2010-04-16  Diego Novillo  <dnovillo@google.com>
1870
1871         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1872
1873 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1874
1875         PR target/40603
1876         * config/arm/arm.md (cbranchqi4): New pattern.
1877         * config/arm/predicates.md (const0_operand,
1878         cbranchqi4_comparison_operator): New predicates.
1879
1880 2010-04-16  Richard Guenther  <rguenther@suse.de>
1881
1882         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1883         (dump_gimple_stmt): Likewise.
1884
1885 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1886
1887         * recog.h (struct recog_data): New field is_operator.
1888         (struct insn_operand_data): New field is_operator.
1889         * recog.c (extract_insn): Set recog_data.is_operator.
1890         * genoutput.c (output_operand_data): Emit code to set the
1891         is_operator field.
1892         * reload.c (find_reloads): Use it rather than testing for an
1893         empty constraint string.
1894
1895         PR target/41514
1896         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1897         If the previous insn is a cbranchsi4_insn with the same arguments,
1898         omit the compare instruction.
1899
1900         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1901         register, inputs must be low registers and we need a low register
1902         scratch.  Handle alternative 2 like alternative 3.
1903
1904 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1905
1906         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1907         don't call get_addr on both.  If one expression is a VALUE and
1908         the other a REG, check VALUE's locs if the REG isn't among them.
1909
1910 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1911
1912         * config/sh/sh.h (sh_frame_pointer_required): New function.
1913         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1914         (flag_omit_frame_pointer) Set.
1915         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1916         (rounded_frame_size): Adjust size with outgoing_args_size.
1917         (sh_set_return_address): Must return from stack pointer.
1918         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1919         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1920         (ACCUMULATE_OUTGOING_ARGS): Define.
1921         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1922         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1923
1924 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1925
1926         PR target/43471
1927         * config/sh/sh.c (sh_legitimize_reload_address): Use
1928         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1929         Remove a unneeded check for offset_base.
1930
1931 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1932
1933         * configure: Regenerated.
1934
1935 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1936
1937         * config/s390/s390.c (s390_call_save_register_used): Switch back
1938         to HARD_REGNO_NREGS.
1939
1940 2010-04-15  Richard Guenther  <rguenther@suse.de>
1941
1942         * alias.c (alias_set_subset_of): Handle alias-set zero
1943         child properly.
1944
1945 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1946             Julian Brown  <julian@codesourcery.com>
1947
1948         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1949         alternatives according to use of high and low regs.
1950         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1951         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1952         optimizing for size on Thumb-2.
1953
1954 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1955
1956         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1957
1958 2010-04-15  Richard Guenther  <rguenther@suse.de>
1959
1960         * tree-ssa-structalias.c (struct variable_info): Add
1961         is_fn_info flag.
1962         (new_var_info): Initialize it.
1963         (dump_constraints): Support printing last added constraints.
1964         (debug_constraints): Adjust.
1965         (dump_constraint_graph): Likewise.
1966         (make_heapvar_for): Check for NULL cfun.
1967         (get_function_part_constraint): New function.
1968         (get_fi_for_callee): Likewise.
1969         (find_func_aliases): Properly implement IPA PTA constraints.
1970         (process_ipa_clobber): New function.
1971         (find_func_clobbers): Likewise.
1972         (insert_into_field_list_sorted): Remove.
1973         (create_function_info_for): Properly allocate vars for IPA mode.
1974         Do not use insert_into_field_list_sorted.
1975         (create_variable_info_for): Properly generate constraints for
1976         global vars in IPA mode.
1977         (dump_solution_for_var): Always dump the solution.
1978         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1979         (find_what_var_points_to): Adjust.
1980         (pt_solution_set): Change.
1981         (pt_solution_ior_into): New function.
1982         (pt_solution_empty_p): Export.
1983         (pt_solution_includes_global): Adjust.
1984         (pt_solution_includes_1): Likewise.
1985         (pt_solutions_intersect_1): Likewise.
1986         (dump_sa_points_to_info): Check some invariants.
1987         (solve_constraints): Move constraint dumping ...
1988         (compute_points_to_sets): ... here.
1989         (ipa_pta_execute): ... and here.
1990         (compute_may_aliases): Do not re-compute points-to info
1991         locally if IPA info is available.
1992         (ipa_escaped_pt): New global var.
1993         (ipa_pta_execute): Properly implement IPA PTA.
1994         * tree-into-ssa.c (dump_decl_set): Support dumping
1995         decls not in referenced-vars.
1996         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1997         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1998         (dump_points_to_solution): Likewise.
1999         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2000         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2001         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2002         (copy_decl_to_var): Copy DECL_PT_UID.
2003         (copy_result_decl_to_var): Likewise.
2004         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2005         (copy_node_stat): Copy it.
2006         * tree.h (DECL_PT_UID): New macro.
2007         (SET_DECL_PT_UID): Likewise.
2008         (DECL_PT_UID_SET_P): Likewise.
2009         (struct tree_decl_minimal): Add pt_uid member.
2010         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2011         (pt_solution_empty_p): Declare.
2012         (pt_solution_set): Adjust.
2013         (ipa_escaped_pt): Declare.
2014         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2015         * gimple-pretty-print.c (pp_points_to_solution): New function.
2016         (dump_gimple_call): Dump call clobber/use information.
2017         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2018         * tree-pass.h (TDF_ALIAS): New dump option.
2019         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2020         * doc/invoke.texi (-fipa-pta): Update documentation.
2021
2022 2010-04-15  Richard Guenther  <rguenther@suse.de>
2023
2024         * Makefile.in (OBJS-common): Add gimple-fold.o.
2025         (gimple-fold.o): New rule.
2026         * tree.h (maybe_fold_offset_to_reference,
2027         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2028         prototypes ...
2029         * gimple.h: ... here.
2030         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2031         may_propagate_address_into_dereference): Move prototypes ...
2032         * gimple.h: ... here.
2033         * tree-ssa-ccp.c (get_symbol_constant_value,
2034         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2035         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2036         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2037         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2038         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2039         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2040         gimplify_and_update_call_from_tree): Move ...
2041         * gimple-fold.c: ... here.  New file.
2042         (ccp_fold_builtin): Rename to ...
2043         (gimple_fold_builtin): ... this.
2044         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2045
2046 2010-04-15  Richard Guenther  <rguenther@suse.de>
2047
2048         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2049         fit_double_type, force_fit_type_double, add_double_with_sign,
2050         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2051         lrotate_double, rrotate_double, div_and_round_double): Move ...
2052         * double-int.c: ... here.
2053         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2054         add_double, neg_double, mul_double_with_sign, mul_double,
2055         lshift_double, rshift_double, lrotate_double, rrotate_double,
2056         div_and_round_double): Move prototypes ...
2057         * double-int.h: ... here.
2058
2059 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2060
2061         PR target/43742
2062         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2063         matching constraints to ensure inputs match the output.
2064
2065 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2066
2067         PR target/43742
2068         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2069         in an input-only operand.
2070
2071 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2072
2073         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2074         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2075         (double_int_negative_p): Convert to static inline function.
2076         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2077         (double_int_negative_p): Remove.
2078         * tree.h (lshift_double, rshift_double):
2079         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2080         * fold-const.c (fold_convert_const_int_from_real,
2081         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2082         (lshift_double): Change type of arith argument to bool.
2083         (rshift_double): Change type of arith argument to bool. Correct
2084         comment.
2085         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2086
2087 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2088
2089         PR target/21803
2090         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2091         at the start and end of the then/else blocks, and omit them from the
2092         conversion.
2093         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2094         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2095         (flow_find_head_matching_sequence): New function.
2096         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2097         * basic-block.h (flow_find_cross_jump,
2098         flow_find_head_matching_sequence): Declare functions.
2099
2100 2010-04-14  Jason Merrill  <jason@redhat.com>
2101
2102         PR c++/36625
2103         * c-common.c (attribute_takes_identifier_p): New fn.
2104         * c-common.h: Declare it.
2105
2106 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2107
2108         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2109         splitter condition.
2110         (*udivmod<mode>4): Ditto.
2111
2112 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2113
2114         * config/i386/i386.md (maxmin_int): Rename code attribute from
2115         maxminiprefix and update all users.
2116         (maxmin_float): Ditto from maxminfprefix.
2117         (logic): Ditto from logicprefix.
2118         (absneg_mnemonic): Ditto from absnegprefix.
2119         * config/i386/mmx.md: Update all users of maxminiprefix,
2120         maxminfprefix and logicprefix for rename.
2121         * config/i386/sse.md: Ditto.
2122         * config/i386/sync.md (sync_<code><mode>): Update for
2123         logicprefix rename.
2124
2125 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2126
2127         PR 42966
2128         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2129         warnings converted to errors.
2130
2131 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2132
2133         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2134         used insn_type variable.
2135         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2136         to avoid set-but-not-used warning.
2137
2138 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2139
2140         * df-core.c (df_ref_debug): Change format string placeholder
2141         from 0x%x to %#x.
2142         * dwarf2asm.c (dw2_asm_output_data_raw,
2143         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2144         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2145         * dwarf2out.c (output_cfi, output_cfi_directive,
2146         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2147         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2148         Ditto.
2149         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2150         * print-rtl.c (print_rtx): Ditto.
2151
2152 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2153
2154         PR middle-end/42694
2155         * builtins.c (expand_builtin_pow_root): New function to expand pow
2156         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2157         series of sqrt and cbrt calls under -ffast-math.
2158         (expand_builtin_pow): Call it.
2159
2160 2010-04-14  Michael Matz  <matz@suse.de>
2161
2162         PR tree-optimization/42963
2163         * tree-cfg.c (touched_switch_bbs): New static variable.
2164         (group_case_labels_stmt): New function broken out from ...
2165         (group_case_labels): ... here, use the above.
2166         (start_recording_case_labels): Allocate touched_switch_bbs.
2167         (end_recording_case_labels): Deallocate it, call
2168         group_case_labels_stmt.
2169         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2170
2171 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2172
2173         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2174         from insn template.
2175
2176 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2177
2178         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2179
2180 2010-04-13  Jan Hubicka  <jh@suse.cz>
2181
2182         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2183         of optimized out static functions.
2184         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2185         cost computation.  Also sanity check for overflows.
2186         (update_caller_keys): Update cgraph_edge_badness call; properly
2187         update fibheap and sanity check that it is up to date.
2188         (add_new_edges_to_heap): Update cgraph_edge_badness.
2189         (cgraph_decide_inlining_of_small_function): Likewise;
2190         add sanity checking that badness in heap is up to date;
2191         improve dumping of reason; Update badness of calls to the
2192         offline copy of function currently inlined; dump badness
2193         of functions not inlined because of unit growth limits.
2194
2195 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2196
2197         PR middle-end/32628
2198         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2199         because of sign-extension change when converting to sizetype here...
2200         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2201
2202         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2203         the folding to constants.  Remove redundant final conversion.
2204         (fold_binary) <associate>: Do not associate if the re-association of
2205         constants alone overflows.
2206         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2207         to the end of the list.
2208         (multiple_of_p) <COND_EXPR>: New case.
2209
2210 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2211
2212         * opt-functions.awk (opt_sanitized_name): New.
2213         (opt_enum): New.
2214         * optc-gen.awk: Use it
2215         * opth-gen.awk: Use it.
2216
2217 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2218
2219         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2220         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2221         children.  Call replace_uses_with_default_def_ssa_name to handle
2222         SSA_NAES on lhs.
2223
2224 2010-04-13  Michael Matz  <matz@suse.de>
2225
2226         PR middle-end/43730
2227         * builtins.c (expand_builtin_interclass_mathfn): Also create
2228         a register if the predicate doesn't match.
2229
2230 2010-04-13  Diego Novillo  <dnovillo@google.com>
2231
2232         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2233         * c-pch.c: Include timevar.h.
2234         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2235         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2236         * ggc-common.c: Include timevar.h.
2237         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2238         * timevar.def (TV_PCH_SAVE): Define.
2239         (TV_PCH_CPP_SAVE): Define.
2240         (TV_PCH_PTR_REALLOC): Define.
2241         (TV_PCH_PTR_SORT): Define.
2242         (TV_PCH_RESTORE): Define.
2243         (TV_PCH_CPP_RESTORE): Define.
2244
2245 2010-04-13  Michael Matz  <matz@suse.de>
2246
2247         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2248         into MINUS_EXPRs.
2249         (can_reassociate_p): New function.
2250         (break_up_subtract_bb, reassociate_bb): Use it.
2251
2252 2010-04-13  Richard Guenther  <rguenther@suse.de>
2253
2254         PR bootstrap/43737
2255         * builtins.c (c_readstr): Fix assert.
2256
2257 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2258
2259         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2260         when generating cltd insn.
2261
2262         (*ashl<mode>3_1): Remove special handling for register operand 2.
2263         (*ashlsi3_1_zext): Ditto.
2264         (*ashlhi3_1): Ditto.
2265         (*ashlhi3_1_lea): Ditto.
2266         (*ashlqi3_1): Ditto.
2267         (*ashlqi3_1_lea): Ditto.
2268         (*<shiftrt_insn><mode>3_1): Ditto.
2269         (*<shiftrt_insn>si3_1_zext): Ditto.
2270         (*<shiftrt_insn>qi3_1_slp): Ditto.
2271         (*<rotate_insn><mode>3_1): Ditto.
2272         (*<rotate_insn>si3_1_zext): Ditto.
2273         (*<rotate_insn>qi3_1_slp): Ditto.
2274
2275 2010-04-13  Richard Guenther  <rguenther@suse.de>
2276
2277         * tree-ssa-structalias.c (callused_id): Remove.
2278         (call_stmt_vars): New.
2279         (get_call_vi): Likewise.
2280         (lookup_call_use_vi): Likewise.
2281         (lookup_call_clobber_vi): Likewise.
2282         (get_call_use_vi): Likewise.
2283         (get_call_clobber_vi): Likewise.
2284         (make_transitive_closure_constraints): Likewise.
2285         (handle_const_call): Adjust to do per-call call-used handling.
2286         (handle_pure_call): Likewise.
2287         (find_what_var_points_to): Remove general callused handling.
2288         (init_base_vars): Likewise.
2289         (init_alias_vars): Initialize call_stmt_vars.
2290         (compute_points_to_sets): Process call-used and call-clobbered
2291         vars for call statements.
2292         (delete_points_to_sets): Free call_stmt_vars.
2293
2294 2010-04-13  Richard Guenther  <rguenther@suse.de>
2295
2296         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2297         Only add RW dependence for dependence distance zero.
2298         Adjust maximal vectorization factor according to dependences.
2299         Move alignment handling ...
2300         (vect_find_same_alignment_drs): ... here.  New function.
2301         (vect_analyze_data_ref_dependences): Adjust.
2302         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2303         (vect_analyze_data_refs): Adjust minimal vectorization factor
2304         according to data references.
2305         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2306         dependences before determining the vectorization factor.
2307         Analyze alignment after determining the vectorization factor.
2308         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2309         dependences before alignment.
2310         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2311         Adjust prototype.
2312         (vect_analyze_data_refs): Likewise.
2313         (MAX_VECTORIZATION_FACTOR): New define.
2314
2315 2010-04-13  Duncan Sands  <baldrick@free.fr>
2316
2317         * except.h (lang_eh_type_covers): Remove.
2318         * except.c (lang_eh_type_covers): Likewise.
2319
2320 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2321             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2322
2323         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2324         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2325         UNITS_PER_LONG where it is ABI relevant.
2326         (s390_return_addr_rtx): Likewise.
2327         (s390_back_chain_rtx): Likewise.
2328         (s390_frame_area): Likewise.
2329         (s390_frame_info): Likewise.
2330         (s390_initial_elimination_offset): Likewise.
2331         (save_gprs): Likewise.
2332         (s390_emit_prologue): Likewise.
2333         (s390_emit_epilogue): Likewise.
2334         (s390_function_arg_advance): Likewise.
2335         (s390_function_arg): Likewise.
2336         (s390_va_start): Likewise.
2337         (s390_gimplify_va_arg): Likewise.
2338         (s390_function_profiler): Likewise.
2339         (s390_optimize_prologue): Likewise.
2340         (s390_rtx_costs): Likewise.
2341         (s390_secondary_reload): Likewise.
2342         (s390_promote_function_mode): Likewise.
2343         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2344         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2345         registers available.
2346         (s390_unwind_word_mode): New function.
2347         (s390_function_value): Split 64 bit values into register pair if
2348         used as return value.
2349         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2350         function call parameters.  Handle parallels.
2351         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2352         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2353         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2354         (s390_expand_setmem): Remove unused variable src_addr.
2355         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2356         deal with 64 bit registers.
2357         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2358         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2359         (UNITS_PER_LONG): New macro.
2360         * libjava/include/s390-signal.h: Define extended ucontext
2361         structure containing the upper halfs of the 64 bit registers.
2362
2363 2010-04-13  Simon Baldwin  <simonb@google.com>
2364
2365         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2366
2367 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2368
2369         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2370         rvalue on the RHS if the LHS is of a non-renamable type.
2371         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2372
2373 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2374
2375         * gcc.c (cc1_options): Handle -iplugindir before processing
2376         the cc1 spec. Only add -iplugindir once.
2377         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2378         found.
2379         * common.opt (iplugindir): Remove `Separate' property, initialize.
2380         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2381         option.
2382         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2383         (distclean): Remove plugin dir.
2384         * doc/invoke.texi: Document -iplugindir.
2385
2386 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2387
2388         * doc/plugins.texi (Loading Plugins): Document short
2389         -fplugin=foo option.
2390         (Plugin API): Mention default_plugin_dir_name function.
2391
2392         * gcc.c (find_file_spec_function): Add new declaration.
2393         (static_spec_func): Use it for "find-file".
2394         (find_file_spec_function): Add new function.
2395         (cc1_options): Add -iplugindir option if -fplugin* options found.
2396
2397         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2398
2399         * plugin.c (add_new_plugin): Updated comment, and handle short
2400         plugin name.
2401         (default_plugin_dir_name): Added new function.
2402
2403         * common.opt (iplugindir): New option to set the plugin directory.
2404
2405 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2406
2407         * config/i386/i386.md (any_rotate): New code iterator.
2408         (rotate_insn): New code attribute.
2409         (rotate): Ditto.
2410         (SWIM124): New mode iterator.
2411         (<rotate_insn>ti3): New expander.
2412         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2413         any_rotate code iterator.
2414         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2415         using any_rotate code iterator and SWIM124 mode iterator.
2416         (ix86_rotlti3): New insn_and_split pattern.
2417         (ix86_rotrti3): Ditto.
2418         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2419         ix86_rotl{di,ti}3 patterns.
2420         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2421         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2422         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2423         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2424         code iterator and SWI mode iterator.
2425         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2426         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2427         code iterator.
2428         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2429         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2430         (bswap rotatert splitter): Add splitter.
2431         (bswap splitter): Macroize splitter using any_rotate code iterator.
2432         Add insn predicate to split only for TARGET_USE_XCHGB or when
2433         optimizing function for size.
2434
2435 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2436
2437         * config/pa/pa.c (emit_move_sequence): Remove use of
2438         deleted variable flag_argument_noalias.
2439
2440 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2441
2442         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2443         configurations.
2444         Add to unsupported targets list.
2445         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2446         sparc*-sun-solaris2.[567]* from target lists.
2447         * configure: Regenerate.
2448         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2449         removal.
2450         Remove Solaris 7 patch references.
2451         (Specific, sparc-sun-solaris2.7): Removed.
2452         (sparc-sun-solaris2*): Update Solaris 7 example.
2453         (sparc64-*-solaris2*): Likewise.
2454
2455 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2456
2457         * config.build (alpha*-dec-osf4*): Remove.
2458         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2459         of obsolete configurations.
2460         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2461         support.
2462         * config/alpha/t-osf4: Renamed to ...
2463         * config/alpha/t-osf5: ... this.
2464         * config/alpha/osf.h: Renamed to ...
2465         * config/alpha/osf5.h: ... this.
2466         Merged old osf5.h contents.
2467         Update comments.
2468         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2469         (EXTRA_SPECS): Removed.
2470         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2471         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2472         Document that.
2473
2474 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2475
2476         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2477
2478 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2479
2480         PR/43702
2481         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2482         __thiscall convention.
2483
2484 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2485
2486         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2487         orig_base.
2488         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2489
2490 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2491
2492         * function.c (assign_parms_initialize_all): Add unused attribute
2493         to fntype.
2494
2495 2010-04-12  Richard Guenther  <rguenther@suse.de>
2496
2497         * gsstruct.def (GSS_CALL): New.
2498         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2499         * gimple.h: Include tree-ssa-alias.h.
2500         (struct gimple_statement_call): New.
2501         (union gimple_statement_struct_d): Add gimple_call member.
2502         (gimple_call_reset_alias_info): Declare.
2503         (gimple_call_use_set): New function.
2504         (gimple_call_clobber_set): Likewise.
2505         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2506         * gimple.c (gimple_call_reset_alias_info): New function.
2507         (gimple_build_call_1): Call it.
2508         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2509         * tree-inline.c (remap_gimple_stmt): Likewise.
2510         (expand_call_inline): Remove callused handling.
2511         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2512         * tree-dfa.c (dump_variable): Likewise.
2513         * tree-parloops.c (parallelize_loops): Likewise.
2514         * tree-ssa.c (init_tree_ssa): Likewise.
2515         (delete_tree_ssa): Likewise.
2516         * tree-flow-inline.h (is_call_used): Remove.
2517         * tree-flow.h (struct gimple_df): Remove callused member.
2518         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2519         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2520         (ref_maybe_used_by_call_p_1): Simplify.
2521         (call_may_clobber_ref_p_1): Likewise.
2522         * tree-ssa-structalias.c (compute_points_to_sets): Set
2523         the call stmt used and clobbered sets.
2524         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2525         (find_tail_calls): Verify the tail call.
2526
2527 2010-04-12  Richard Guenther  <rguenther@suse.de>
2528
2529         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2530         single-iteration always-inline inlining.
2531         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2532         (cgraph_decide_inlining): Do not handle always-inline specially.
2533         (try_inline): Remove always-inline cycle detection special case.
2534         Do not recurse on always-inlines.
2535         (cgraph_early_inlining): Do not iterate if not optimizing.
2536         (cgraph_gate_early_inlining): remove.
2537         (pass_early_inline): Run unconditionally.
2538         (gate_cgraph_decide_inlining): New function.
2539         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2540         not inlining or optimizing.
2541         (cgraph_decide_inlining_of_small_functions): Also consider
2542         always-inline functions.
2543         (cgraph_default_inline_p): Return true for nodes which should
2544         disregard inline limits.
2545         (estimate_function_body_sizes): Assume zero size and time for
2546         nodes which are marked as disregarding inline limits.
2547         (cgraph_decide_recursive_inlining): Do not perform recursive
2548         inlining on always-inline nodes.
2549
2550 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2551
2552         PR bootstrap/43699
2553         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2554         for exprs satisfying handled_component_p.
2555
2556 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2557
2558         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2559         non-constant aggregate elements.
2560
2561         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2562         is a real initialization.
2563
2564 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2565
2566         PR c/36774
2567         * c-decl.c (start_function): Move forward check for nested function.
2568
2569 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2570
2571         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2572         * config/sh/sh.c: Include reload.h.
2573         (sh_legitimize_reload_address): New.
2574         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2575         sh_legitimize_reload_address.
2576
2577 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2578
2579         * config/sh/sh.md (*movqi_pop): New insn pattern.
2580         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2581
2582 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2583
2584         * config/i386/i386.md (any_shiftrt): New code iterator.
2585         (shiftrt_insn): New code attribute.
2586         (shiftrt): Ditto.
2587         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2588         using any_shiftrt code iterator.
2589         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2590         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2591         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2592         pattern from corresponding peephole2 patterns.
2593         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2594         using any_shiftrt code iterator.
2595         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2596         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2597         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2598         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2599         *{ashr,lshr}<mode>3_cmp_zext.
2600         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2601
2602 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2603
2604         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2605         scratch register.
2606         (*lshr<mode>3_cconly): Ditto.
2607
2608 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2609
2610         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2611         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2612         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2613         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2614         DWI mode iterator.
2615         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2616         from corresponding peephole2 patterns.
2617         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2618         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2619         and *lshrdi3_1_rex64 using SWI mode iterator.
2620         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2621         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2622         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2623         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2624         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2625         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2626         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2627         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2628         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2629         SWI mode iterator.
2630
2631 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2632
2633         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2634         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2635         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2636         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2637         DWI mode iterator.
2638         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2639         from corresponding peephole2 patterns.
2640         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2641         (ashrsi3_cvt): Rename from ashrsi3_31.
2642         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2643         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2644         and x86_64_shift_adj_3 using SWI48 mode iterator.
2645         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2646         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2647         and *ashrdi3_1_rex64 using SWI mode iterator.
2648         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2649         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2650         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2651         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2652         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2653         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2654         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2655         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2656         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2657         SWI mode iterator.
2658         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2659         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2660         x86_shift<mode>_adj_3 expanders.
2661
2662 2010-04-10  Wei Guozhi  <carrot@google.com>
2663
2664         PR target/42601
2665         * config/arm/arm.c (arm_pic_static_addr): New function.
2666         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2667         a static symbol.
2668         (arm_output_addr_const_extra): Output expression for new pattern.
2669         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2670
2671 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2672
2673         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2674         not enabled.
2675
2676         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2677         * web.c: Include "insn-config.h" and "recog.h".
2678         (union_match_dups): New function.
2679         (web_main): Call it.
2680         (union_defs): Don't try to recognize match_dups.
2681
2682         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2683         if doing so would replace the entire pattern.
2684
2685 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2686
2687         PR target/43707
2688         PR target/43709
2689         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2690         and splitter pattern.  Change splitter operand 1 predicate to
2691         nonmemory_operand.
2692
2693 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2694
2695         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2696         lattices are addresses of CONST_DECLs with the same initial value.
2697         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2698         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2699
2700 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2701             Bernd Schmidt  <bernds@codesourcery.com>
2702
2703         * loop-invariant.c (replace_uses): New static function.
2704         (move_invariant_reg): Use it to ensure we can replace the uses.
2705
2706 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2707
2708         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2709         function template.
2710         (picochip_override_options): Enable section anchors only above -O1.
2711         (picochip_reorg): Fixed a couple of build warnings.
2712
2713 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2714
2715         * configure.ac (plugin -rdynamic test): Log result.
2716         * configure: Regenerate.
2717         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2718         (RDYNAMIC_SPEC): Define.
2719         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2720
2721 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2722
2723         * configure.ac: Determine Sun ld version numbers.
2724         (comdat_group): Restrict GNU ld version checks to gld.
2725         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2726         (enable_comdat): Support --enable-comdat.
2727         * configure: Regenerate.
2728         * doc/install.texi (Configuration): Document --enable-comdat.
2729
2730 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2731
2732         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2733         * config/sol2-gld.h: ... here.
2734         * config.gcc (sparc*-*-solaris2*): Reflect this.
2735         (i[34567]86-*-solaris2*): Use it.
2736
2737 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2738
2739         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2740         setup_clocks_p.
2741         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2742
2743 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2744
2745         PR 42965
2746         * diagnostic.c (diagnostic_initialize): Initialize
2747         some_warnings_are_errors.
2748         (diagnostic_finish): New.
2749         (diagnostic_action_after_output): Call it before exiting.
2750         (diagnostic_report_diagnostic): Do not print message here. Set
2751         some_warnings_are_errors.
2752         * diagnostic.h (diagnostic_context): Delete
2753         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2754         (diagnostic_finish): Declare.
2755         * toplev.c (toplev_main): Call it before exit.
2756
2757 2010-04-09  Jason Merrill  <jason@redhat.com>
2758
2759         PR c++/42623
2760         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2761         for incomplete type.
2762
2763         PR c++/41788
2764         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2765         based on a warning flag.
2766
2767 2010-04-09  Richard Guenther  <rguenther@suse.de>
2768
2769         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2770
2771 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2772
2773         PR bootstrap/43684
2774         * varasm.c (default_assemble_visibility): Wrap vars that are
2775         set, but unused, by targets without GAS.
2776         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2777         Remove set, but unused, vars.
2778         (rs6000_legitimize_tls_address): Likewise.
2779         (altivec_expand_dst_builtin): Likewise.
2780         * config/darwin.c (machopic_classify_symbol): Likewise.
2781         (machopic_indirection_name): Likewise.
2782
2783 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2784
2785         * config/i386/i386.md (DWI): New mode iterator.
2786         (S): New mode attribute.
2787         (shift_operand): Ditto.
2788         (shift_immediate_operand): Ditto.
2789         (ashl_input_operand): Ditto.
2790         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2791         using SDWIM mode iterator.
2792         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2793         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2794         DWI mode iterator.
2795         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2796         from corresponding peephole2 patterns.
2797         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2798         and x86_64_shift_adj_1 using SWI48 mode iterator.
2799         (x86_shift<mode>_adj_2): Ditto.
2800         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2801         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2802         using SWI48 mode iterator.
2803         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2804         *ashldi3_cmp_rex64 using SWI mode iterator.
2805         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2806         *ashldi3_cconly_rex64 using SWI mode iterator.
2807         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2808         x86_shift<mode>_adj_{1,2}.
2809         (ix86_split_ashr): Ditto.
2810         (ix86_split_lshr): Ditto.
2811
2812 2010-04-09  Richard Guenther  <rguenther@suse.de>
2813
2814         * target.h (builtin_conversion): Pass in input and output types.
2815         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2816         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2817         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2818         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2819
2820         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2821         Handle AVX modes.
2822         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2823
2824 2010-04-09  Richard Guenther  <rguenther@suse.de>
2825
2826         PR target/43152
2827         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2828
2829 2010-04-09  Richard Guenther  <rguenther@suse.de>
2830
2831         * tree-vectorizer.h (struct _stmt_vec_info): Document
2832         that vectype is the type of the LHS.
2833         (supportable_widening_operation, supportable_narrowing_operation):
2834         Get both input and output vector types as arguments.
2835         (vect_is_simple_use_1): Declare.
2836         (get_same_sized_vectype): Likewise.
2837         * tree-vect-loop.c (vect_determine_vectorization_factor):
2838         Set STMT_VINFO_VECTYPE to the vector type of the def.
2839         (vectorizable_reduction): Adjust.
2840         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2841         Adjust.  Specify the output vector type.
2842         (vect_pattern_recog_1): Adjust.
2843         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2844         (vectorizable_call): Adjust.
2845         (vectorizable_conversion): Likewise.
2846         (vectorizable_operation): Likewise.
2847         (vectorizable_type_demotion): Likewise.
2848         (vectorizable_type_promotion): Likewise.
2849         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2850         the def.
2851         (vect_is_simple_use_1): New function.
2852         (supportable_widening_operation): Get both input and output
2853         vector types.
2854         (supportable_narrowing_operation): Likewise.
2855         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2856
2857 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2858
2859         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2860         __thiscall and _thiscall as predefined macros.
2861         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2862         thiscall attribute handling.
2863         (ix86_comp_type_attributes): Likewise.
2864         (ix86_function_regparm): Likewise.
2865         (ix86_return_pops_args): Likewise.
2866         (init_cumulative_args): Likewise.
2867         (find_drap_reg): Likewise.
2868         (ix86_static_chain): Likewise.
2869         (x86_this_parameter): Likewise.
2870         (x86_output_mi_thunk): Likewise.
2871         (ix86_attribute_table): Add description for thiscall attribute.
2872         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2873         * doc/extend.texi: Add documentation for thiscall.
2874
2875 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2876
2877         PR c++/28584
2878         * c.opt (Wint-to-pointer-cast): Available in C++.
2879         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2880
2881 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2882
2883         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2884         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2885         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2886         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2887         function type instead.  Reorder and simplify checks.
2888
2889         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2890
2891 2010-04-08  Jing Yu  <jingyu@google.com>
2892             Zdenek Dvorak  <ook@ucw.cz>
2893
2894         PR tree-optimization/42720
2895         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2896         loop unswitch conditions here from ...
2897         (tree_unswitch_single_loop): ... here.
2898
2899 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2900
2901         * tree-if-conv.c: Fix comments and simplify logic.
2902
2903 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2904
2905         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2906         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2907         (main_tree_if_conversion): Update call to tree_if_conversion.
2908
2909 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2910
2911         PR 42485
2912         * doc/invoke.texi (-b,-V): Delete.
2913         * doc/tm.texi: Do not mention -b.
2914         * gcc.c (display_help): Delete -b and -V.
2915         (process_command): Delete -b and -V.
2916         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2917
2918 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2919             Wolfgang Gellerich  <gellerich@de.ibm.com>
2920
2921         Implement target hook for loop unrolling
2922         * target.h (loop_unroll_adjust): Add a new target hook function.
2923         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2924         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2925         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2926         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2927         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2928         target hook.
2929         (decide_unroll_stupid): Likewise.
2930
2931 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2932
2933         PR target/43643
2934         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2935
2936 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2937
2938         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2939         (Specific, *-*-solaris2*): Likewise.
2940         Don't prefer Sun as over GNU as.
2941
2942 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2943
2944         * config/s390/s390.c (override_options): Adjust the z10
2945           defaults for max-unroll-times, max-completely-peeled-insns
2946           and max-completely-peel-times.
2947
2948 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2949
2950         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2951         instructions for z10.
2952         (s390_expand_setmem): Likewise.
2953         (s390_expand_cmpmem): Likewise.
2954
2955 2010-04-08  Richard Guenther  <rguenther@suse.de>
2956
2957         PR tree-optimization/43679
2958         * tree-ssa-pre.c (eliminate): Only propagate copies.
2959
2960 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2961
2962         PR bootstrap/43681
2963         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2964         set but not used variable warning.
2965
2966 2010-04-08  Wei Guozhi  <carrot@google.com>
2967
2968         PR target/41653
2969         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2970         (arm_size_rtx_costs): Call the new function when optimized for size.
2971
2972 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2973
2974         PR debug/43670
2975         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2976         op0 is not a MEM, just return NULL instead of assertion
2977         failure.
2978         (discover_nonconstant_array_refs): Don't walk debug stmts.
2979
2980 2010-04-08  Doug Kwan  <dougkwan@google.com>
2981
2982         * configure.ac: Recognize gold and do not use its version number
2983         to test ld features.
2984         * configure: Regenerate.
2985
2986 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2987
2988         PR middle-end/40815
2989         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2990         (negate_value): Move code to push elements to broken_up_substracts ...
2991         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2992         negative pair to plus_negates.
2993         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2994
2995 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2996
2997         * doc/install.texi (Configuration): Move description of
2998         --enable-lto, --with-libelf*, --enable-gold from Java section to
2999         general section.
3000
3001         * doc/generic.texi (Working with declarations)
3002         (Function Properties, C and C++ Trees): Fix typos.
3003         * doc/sourcebuild.texi (Top Level): Likewise.
3004
3005 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR c/18624
3008         * tree.h (DECL_READ_P): Define.
3009         (struct tree_decl_common): Add decl_read_flag.
3010         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3011         a set but not used warning.
3012         (merge_decls): Merge DECL_READ_P flag.
3013         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3014         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3015         * c-common.c (handle_used_attribute, handle_unused_attribute):
3016         Likewise.
3017         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3018         New prototypes.
3019         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3020         New functions.
3021         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3022         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3023         c_parser_binary_expression, c_parser_cast_expression,
3024         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3025         Call default_function_array_read_conversion instead of
3026         default_function_array_conversion where needed.
3027         (c_parser_unary_expression, c_parser_conditional_expression,
3028         c_parser_postfix_expression_after_primary, c_parser_initelt):
3029         Likewise.  Call mark_exp_read where needed.
3030         (c_parser_statement_after_labels, c_parser_asm_operands,
3031         c_parser_typeof_specifier, c_parser_sizeof_expression,
3032         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3033         where needed.
3034         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3035         New.
3036         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3037         (warn_unused_but_set_parameter): Default to warn_unused
3038         && extra_warnings.
3039         * doc/invoke.texi: Document -Wunused-but-set-variable and
3040         -Wunused-but-set-parameter.
3041
3042         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3043         used count variable.
3044         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3045         when operandN variables aren't used in the body of the expander
3046         or splitter.
3047         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3048         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3049         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3050         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3051         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3052         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3053         * tree.c (PROCESS_ARG): Likewise.
3054
3055 2010-04-07  Simon Baldwin  <simonb@google.com>
3056
3057         * diagnostic.h (diagnostic_override_option_index): New macro to
3058         set a diagnostic's option_index.
3059         * c-tree.h (c_cpp_error): Add warning reason argument.
3060         * opts.c (_warning_as_error_callback): New.
3061         (register_warning_as_error_callback): Store callback for
3062         warnings enabled via enable_warning_as_error.
3063         (enable_warning_as_error): Call callback, minor code tidy.
3064         * opts.h (register_warning_as_error_callback): Declare.
3065         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3066         response to -Werror=.
3067         (c_common_init_options): Register warning_as_error_callback in opts.c.
3068         * common.opt: Add -Wno-cpp option.
3069         * c-common.c (struct reason_option_codes_t): Map cpp warning
3070         reason codes to gcc option indexes.
3071         * (c_option_controlling_cpp_error): New function, lookup the gcc
3072         option index for a cpp warning reason code.
3073         * (c_cpp_error): Add warning reason argument, call
3074         c_option_controlling_cpp_error for diagnostic_override_option_index.
3075         * doc/invoke.texi: Document -Wno-cpp.
3076
3077 2010-04-07  Richard Guenther  <rguenther@suse.de>
3078
3079         * ipa-reference.c (mark_load): Use get_base_address.
3080         (mark_store): Likewise.
3081
3082         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3083         inserting GIMPLE_NOPs into the IL.
3084         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3085         Explicitly strip handled components and indirect references.
3086
3087         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3088         folding address expressions.
3089         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3090         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3091         operand_equal_p to compare decls.
3092         (ptr_deref_may_alias_decl_p): Likewise.
3093         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3094         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3095         Handle reversed comparison ops.
3096         * tree-sra.c (asm_visit_addr): Use get_base_address.
3097         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3098         * ipa-reference.c (mark_address): Use get_base_address.
3099
3100 2010-04-07  Richard Guenther  <rguenther@suse.de>
3101
3102         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3103         Propagate constants everywhere.
3104
3105 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3106
3107         PR debug/43516
3108         * tree.c (MAX_INT_CACHED_PREC): Define.
3109         (nonstandard_integer_type_cache): New array.
3110         (build_nonstandard_integer_type): Cache results for precision
3111         <= MAX_INT_CACHED_PREC.
3112
3113 2010-04-07  Richard Guenther  <rguenther@suse.de>
3114
3115         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3116         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3117         * common.opt: Likewise.
3118         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3119         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3120         (nonoverlapping_memrefs_p): Likewise.
3121         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3122         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3123         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3124         OPT_fargument_noalias_global for backward compatibility.
3125
3126 2010-04-07  Richard Guenther  <rguenther@suse.de>
3127
3128         PR tree-optimization/43270
3129         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3130         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3131         * tree-ssa-pre.c (phi_translate_1): Adjust.
3132         (fully_constant_expression): Split out vn_reference handling to ...
3133         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3134         Fold reads from constant strings.
3135         (vn_reference_lookup): Handle fully constant references.
3136         (vn_reference_lookup_pieces): Likewise.
3137         * Makefile.in (expmed.o-warn): Add -Wno-error.
3138
3139 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3140
3141         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3142
3143 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3144
3145         PR driver/41594
3146         * gcc.c: Add -static-libstdc++ to list of recognized options.
3147
3148 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3149
3150         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3151
3152 2010-04-07  Richard Guenther  <rguenther@suse.de>
3153
3154         PR middle-end/42617
3155         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3156         bases build simple mem attributes to retain points-to information.
3157
3158 2010-04-07  Richard Guenther  <rguenther@suse.de>
3159
3160         PR middle-end/42617
3161         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3162         preserve points-to related information.
3163
3164 2010-04-07  Richard Guenther  <rguenther@suse.de>
3165
3166         PR middle-end/42617
3167         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3168         discard plain indirect references.
3169         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3170         * tree.c (tree_nop_conversion): Likewise.
3171
3172 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3173
3174         PR debug/43628
3175         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3176
3177 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3178
3179         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3180         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3181
3182 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * tree-if-conv.c: Fix indentation and comments.
3185
3186 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3187
3188         * tree-if-conv.c: Sort static functions in topological order.
3189
3190 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3191
3192         * tree-if-conv.c: Fix indentation and comments.
3193
3194 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3195
3196         PR middle-end/43519
3197         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3198         lang_hooks.types.type_for_size instead of
3199         build_nonstandard_integer_type.
3200         When converting an unsigned type to signed, double its precision.
3201         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3202         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3203         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3204         use lb <= ub.
3205
3206 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3207
3208         PR middle-end/43519
3209         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3210         POINTER_PLUS_EXPR for pointer types.
3211
3212 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         PR middle-end/43519
3215         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3216         * graphite-clast-to-gimple.c: Include langhooks.h.
3217         (max_signed_precision_type): New.
3218         (max_precision_type): Takes two types as arguments.
3219         (precision_for_value): New.
3220         (precision_for_interval): New.
3221         (gcc_type_for_interval): New.
3222         (gcc_type_for_value): New.
3223         (gcc_type_for_clast_term): New.
3224         (gcc_type_for_clast_red): New.
3225         (gcc_type_for_clast_bin): New.
3226         (gcc_type_for_clast_expr): Split up into several functions.
3227         (gcc_type_for_clast_eq): Rewritten.
3228         (compute_bounds_for_level): New.
3229         (compute_type_for_level_1): New.
3230         (compute_type_for_level): New.
3231         (gcc_type_for_cloog_iv): Removed.
3232         (gcc_type_for_iv_of_clast_loop): Rewritten.
3233         (graphite_create_new_loop): Compute the lower and upper bound types
3234         with gcc_type_for_clast_expr.
3235         (graphite_create_new_loop_guard): Same.
3236         (find_cloog_iv_in_expr): Removed.
3237         (compute_cloog_iv_types_1): Removed.
3238         (compute_cloog_iv_types): Removed.
3239         (gloog): Do not call compute_cloog_iv_types.
3240         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3241         GBB_CLOOG_IV_TYPES.
3242         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3243         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3244         (GBB_CLOOG_IV_TYPES): Removed.
3245
3246 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3247
3248         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3249         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3250         (detect_commutative_reduction): Same.
3251
3252 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3253
3254         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3255         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3256         argument.
3257         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3258         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3259         (rewrite_commutative_reductions_out_of_ssa): Same.
3260         * passes.c (execute_function_todo): Call verify_ssa for every pass
3261         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3262         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3263         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3264         with an extra argument.
3265         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3266         verify_ssa only when the extra argument is true.
3267         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3268         with an extra argument.
3269         (tree_transform_and_unroll_loop): Same.
3270
3271 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3272
3273         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3274         for all the passes of the LNO having LOOP_CLOSED_SSA.
3275         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3276         * tree-loop-distribution.c (pass_loop_distribution): Same.
3277         * tree-pass.h (TODO_verify_loops): Removed.
3278         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3279         (pass_lim): Same.
3280         (pass_tree_unswitch): Same.
3281         (pass_predcom): Same.
3282         (pass_vectorize): Same.
3283         (pass_linear_transform): Same.
3284         (pass_graphite_transforms): Same.
3285         (pass_iv_canon): Same.
3286         (pass_complete_unroll): Same.
3287         (pass_complete_unrolli): Same.
3288         (pass_parallelize_loops): Same.
3289         (pass_loop_prefetch): Same.
3290         (pass_iv_optimize): Same.
3291
3292 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3293
3294         PR middle-end/32824
3295         * passes.c (init_optimization_passes): Move pass_lim before
3296         pass_copy_prop and pass_dce_loop.
3297
3298 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3299
3300         PR target/43667
3301         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3302         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3303         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3304         MULTI_* defines for 4 argument vpermil2p* builtins.
3305
3306 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3307
3308         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3309         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3310         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3311         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3312         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3313         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3314         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3315         Use x86_maybe_negate_const_int to output insn mnemonic.
3316         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3317         check from instruction predicate.  Update comments.
3318         * config/i386/sync.md (sync_add<mode>): Use
3319         x86_maybe_negate_const_int to output insn mnemonic.
3320
3321 2010-04-06  Jan Hubicka  <jh@suse.cz>
3322
3323         PR tree-optimization/42906
3324         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3325         IGNORE_SELF argument.  Set visited_control_parents for fully
3326         processed BBs.
3327         (find_obviously_necessary_stmts): Update call of
3328         mark_control_dependent_edges_necessary.
3329         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3330
3331 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3332
3333         * config/i386/i386.md: Remove comment about 'e' and 'E'
3334         operand modifier.
3335
3336 2010-04-06  Richard Guenther  <rguenther@suse.de>
3337
3338         PR tree-optimization/43627
3339         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3340         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3341         not varying.
3342
3343 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3344
3345         * BASE-VER: Change to 4.6.0.
3346
3347         PR target/43638
3348         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3349         handling.
3350
3351 2010-04-06  Richard Guenther  <rguenther@suse.de>
3352
3353         PR middle-end/43661
3354         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3355
3356 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3357
3358         * doc/invoke.texi (Optimize Options): Document that LTO
3359         won't remove object access purely due to incompatible
3360         declarations.
3361
3362 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3363
3364         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3365         Initialize variable.
3366
3367 2010-04-03  Richard Guenther  <rguenther@suse.de>
3368
3369         PR middle-end/42509
3370         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3371         require a non-NULL MEM_OFFSET.
3372
3373 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3374
3375         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3376         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3377         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3378         config/alpha/predicates.md, config/arm/arm.md,
3379         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3380         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3381         config/darwin9.h, config/darwin.c, config/darwin.h,
3382         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3383         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3384         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3385         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3386         config/mips/mips.md, config/mn10300/mn10300.c,
3387         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3388         config/rs6000/aix.h, config/rs6000/dfp.md,
3389         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3390         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3391         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3392         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3393         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3394         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3395         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3396         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3397         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3398         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3399         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3400         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3401         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3402         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3403         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3404         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3405         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3406         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3407         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3408         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3409         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3410         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3411         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3412         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3413         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3414         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3415         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3416         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3417         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3418         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3419         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3420         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3421         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3422         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3423         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3424         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3425
3426 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3427
3428         PR other/43620
3429         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3430         * aclocal.m4: Regenerate.
3431
3432 2010-04-02  Richard Guenther  <rguenther@suse.de>
3433
3434         PR tree-optimization/43629
3435         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3436         if we have seen a constant value.
3437
3438 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3439
3440         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3441
3442 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3443
3444         PR target/43469
3445         * arm.c (legitimize_tls_address): Adjust call to
3446         gen_tls_load_dot_plus_four.
3447         (arm_note_pic_base): New function.
3448         (arm_cannot_copy_insn_p): Use it.
3449         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3450         constraint.
3451
3452 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3453
3454         PR bootstrap/43531
3455
3456         Revert:
3457         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3458
3459         * Makefile.in ($(out_object_file)): Depend on
3460         gt-$(basename $(notdir $(out_file))).h.
3461
3462 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3463
3464         * config.gcc (lm32-*-rtems*): Add t-lm32.
3465
3466 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3467
3468         * config.gcc: Add lm32-*-rtems*.
3469         * config/lm32/rtems.h: New file.
3470
3471 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3472
3473         PR target/42609
3474         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3475
3476 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3477
3478         * dwarf2out.c (output_compilation_unit_header): For
3479         -gdwarf-4 use version 4 instead of version 3.
3480         (output_line_info): For version 4 and above emit additional
3481         maximum ops per insn header field.
3482         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3483
3484         * dwarf2out.c (is_c_family, is_java): Remove.
3485         (lower_bound_default): New function.
3486         (add_bound_info, gen_descr_array_type_die): Use it.
3487
3488 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3489
3490         PR debug/43325
3491         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3492         re-declaration when it happens in a function.
3493
3494 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3495
3496         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3497         (cgraph_remove_function_insertion_hook): Same.
3498         (cgraph_call_function_insertion_hooks): Same.
3499
3500 2010-04-01  Richard Guenther  <rguenther@suse.de>
3501
3502         PR middle-end/43614
3503         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3504         and TREE_THIS_VOLATILE.
3505         (copy_ref_info): Likewise.
3506         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3507         * tree.c (build6_stat): Ignore side-effects of all but arg5
3508         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3509         TARGET_MEM_REF.
3510
3511 2010-04-01  Richard Guenther  <rguenther@suse.de>
3512
3513         PR tree-optimization/43607
3514         * ipa-type-escape.c (check_call): Do not access non-existing
3515         arguments.
3516
3517 2010-04-01  Richard Guenther  <rguenther@suse.de>
3518
3519         PR middle-end/43602
3520         Revert
3521         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3522                     Jack Howarth <howarth@bromo.med.uc.edu>
3523
3524         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3525         variables TLS.
3526
3527 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3528
3529         * doc/install.texi (Prerequisites): Document libelf usability on
3530         IRIX 5/6 and Solaris 2.
3531         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3532         Update GNU as, GNU ld requirements.
3533         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3534         Document Sun Studio compiler download.
3535         Update and simplify as, ld recommendations.
3536         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3537
3538 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3539
3540         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3541         with_tune_32 to pentium4.
3542
3543 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3544
3545         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3546
3547 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3548
3549         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3550         obsoletion, removal.
3551         Update IDO URL.
3552         Document GNU as requirement.
3553         Update configure requirements.
3554         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3555         Recomment IRIX 6.5.18+.
3556         Document IDF/IDL requirement.
3557         Document GNU as requirement.
3558         Document GNU ld bootstrap failure.
3559         Remove freeware.sgi.com reference.
3560
3561 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3562
3563         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3564         UNIX V4.0, V5.0 obsoletion, removal.
3565         Remove --with-gc=simple reference.
3566         Update VM requirements during bootstrap.
3567         Remove -oldas bootstrap description.
3568         Update binutils reference.
3569         Remove comparison failure note.
3570
3571 2010-03-31  Richard Guenther  <rguenther@suse.de>
3572             Zdenek Dvorak  <ook@ucw.cz>
3573             Sebastian Pop  <sebastian.pop@amd.com>
3574
3575         PR middle-end/43464
3576         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3577         with multiple arguments.
3578         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3579
3580 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3581
3582         * graphite-dependences.c (print_pddr): Call print_pdr with an
3583         extra argument.
3584         * graphite-poly.c (debug_pdr): Add an extra argument for the
3585         verbosity level.
3586         (print_pdr): Same.
3587         (print_pbb_domain): Same.
3588         (print_pbb): Same.
3589         (print_scop_context): Same.
3590         (print_scop): Same.
3591         (print_cloog): Same.
3592         (debug_pbb_domain): Same.
3593         (debug_pbb): Same.
3594         (print_pdrs): Same.
3595         (debug_pdrs): Same.
3596         (debug_scop_context): Same.
3597         (debug_scop): Same.
3598         (debug_cloog): Same.
3599         (print_scop_params): Same.
3600         (debug_scop_params): Same.
3601         (print_iteration_domain): Same.
3602         (print_iteration_domains): Same.
3603         (debug_iteration_domain): Same.
3604         (debug_iteration_domains): Same.
3605         (print_scattering_function): Same.
3606         (print_scattering_functions): Same.
3607         (debug_scattering_function): Same.
3608         (debug_scattering_functions): Same.
3609         * graphite-poly.h (debug_pdr): Update declaration.
3610         (print_pdr): Same.
3611         (print_pbb_domain): Same.
3612         (print_pbb): Same.
3613         (print_scop_context): Same.
3614         (print_scop): Same.
3615         (print_cloog): Same.
3616         (debug_pbb_domain): Same.
3617         (debug_pbb): Same.
3618         (print_pdrs): Same.
3619         (debug_pdrs): Same.
3620         (debug_scop_context): Same.
3621         (debug_scop): Same.
3622         (debug_cloog): Same.
3623         (print_scop_params): Same.
3624         (debug_scop_params): Same.
3625         (print_iteration_domain): Same.
3626         (print_iteration_domains): Same.
3627         (debug_iteration_domain): Same.
3628         (debug_iteration_domains): Same.
3629         (print_scattering_function): Same.
3630         (print_scattering_functions): Same.
3631         (debug_scattering_function): Same.
3632         (debug_scattering_functions): Same.
3633
3634 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3635
3636         * graphite-poly.c (print_scattering_function_1): New.
3637         (print_scattering_function): Call it.
3638         (print_scop_params): Remove spaces at the end of lines.
3639         (print_cloog): New.
3640         (debug_cloog): New.
3641         * graphite-poly.h (print_cloog): Declared.
3642         (debug_cloog): Declared.
3643
3644 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3645
3646         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3647         in loop->header.
3648         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3649         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3650         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3651         to switch between adding the IV bump in loop->latch or in loop->header.
3652
3653 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3654
3655         * graphite-poly.c (print_scattering_function): Pretty print following
3656         the scoplib format.
3657         (print_pdr): Same.
3658         (print_pbb_domain): Same.
3659         (dump_gbb_cases): Same.
3660         (dump_gbb_conditions): Same.
3661         (print_pdrs): Same.
3662         (print_pbb): Same.
3663         (print_scop_params): Same.
3664         (print_scop_context): Same.
3665         (print_scop): Same.
3666         (print_pbb_body): New.
3667         (lst_indent_to): New.
3668         (print_lst): Start new lines with a #.
3669         * graphite-poly.h (pbb_bb): New.
3670         (pbb_index): Use pbb_bb.
3671         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3672         disjuncts.
3673         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3674
3675 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3676
3677         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3678         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3679         and 0 instead of 1 for dw_val_class_flag.
3680         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3681         dw_val_class_range_list, dw_val_class_loc_list,
3682         dw_val_class_lineptr and dw_val_class_macptr, use
3683         DW_FORM_flag_present for dw_val_class_flag and
3684         DW_FORM_exprloc for dw_val_class_loc.
3685         (output_die): For -gdwarf-4 print dw_val_class_loc
3686         size as uleb128 instead of 1 or 2 bytes and don't print
3687         anything for dw_val_class_flag.
3688
3689         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3690         instead of cselib_lookup following by tweaking locs->setting_insn.
3691
3692         PR bootstrap/43596
3693         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3694         even before returning from label, setjmp call or volatile asm
3695         handling.
3696
3697 2010-03-31  Richard Guenther  <rguenther@suse.de>
3698
3699         PR middle-end/43600
3700         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3701         temporary data on stack.
3702
3703 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3704
3705         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3706         (PUSHSECTION_ASM_OP): Remove.
3707         (POPSECTION_ASM_OP): Remove.
3708         (PUSHSECTION_FORMAT): Remove.
3709         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3710         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3711         * config/sol2.c (solaris_output_init_fini): Use it.
3712
3713 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3714
3715         PR 43574
3716         * opt-functions.awk (var_type_struct): Use signed char type
3717         for simple variables.
3718
3719 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3720
3721         * config/sol2.c: Include output.h.
3722         (solaris_assemble_visibility): New function.
3723         * config/t-sol2 (sol2.o): Add output.h dependency.
3724         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3725         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3726         Redefine.
3727
3728 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3729
3730         PR target/43580
3731         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3732         V2SImode or XFmode on PRE_DEC.
3733
3734         PR debug/43557
3735         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3736         BLKmode.
3737
3738 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3739
3740         PR 43562
3741         * reload.h (caller_save_initialized_p): Declare.
3742         * toplev.c (backend_init_target): Don't call
3743         init_caller_save but set caller_save_initialized_p to false.
3744         * caller-save.c (caller_save_initialized_p): Define.
3745         (init_caller_save): Check caller_save_initialized_p.
3746         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3747
3748 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3749
3750         PR target/39048
3751         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3752         and soft-fp/t-softfp to tmake_file.
3753         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3754         (LIBGCC2_TF_CEXT): Define.
3755         (TF_SIZE): Define.
3756
3757 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3758
3759         PR debug/42977
3760         * cselib.c (n_useless_values): Document handling of debug locs.
3761         (n_useless_debug_values, n_debug_values): New variables.
3762         (new_elt_loc_list): Don't add to debug values, keep count.
3763         (promote_debug_loc): New.
3764         (cselib_reset_table): Zero new variables.
3765         (entry_and_rtx_equal_p): Promote debug locs.
3766         (discard_useless_locs): Increment n_useless_debug_values for
3767         debug values.
3768         (remove_useless_values): Adjust n_useless_values and n_debug_values
3769         with n_useless_debug_values.
3770         (add_mem_for_addr): Promote debug locs.
3771         (cselib_lookup_mem): Likewise.
3772         (cselib_lookup_addr): Renamed to...
3773         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3774         (cselib_log_lookup): ... this.  Turn into...
3775         (cselib_lookup_addr): ... new wrapper.
3776         (cselib_lookup_from_insn): New.
3777         (cselib_invalidate_regno): Increment n_useless_debug_values for
3778         debug values.
3779         (cselib_invalidate_mem): Likewise.
3780         (cselib_process_insn): Take n_deleted and n_debug_values into
3781         account to guard remove_useless_value call.
3782         (cselib_finish): Zero n_useless_debug_values.
3783         * cselib.h (cselib_lookup_from_insn): Declare.
3784         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3785         (sched_analyze_2): Likewise.
3786
3787 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3788
3789         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3790         functions.
3791         (adjust_mems): Replace narrowing SUBREG of expression containing
3792         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3793         with operations in the narrower mode.
3794
3795         PR debug/43593
3796         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3797         regs_invalidated_by_call instead all call_used_reg_set registers.
3798
3799 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3800
3801         PR middle-end/43430
3802         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3803         pointer comparisons with types_compatible_p.
3804         * tree-vect-stmts.c (vectorizable_call): Same.
3805         (vectorizable_condition): Same.
3806
3807 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3808
3809         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3810         stack check if the mask would be zero.
3811
3812 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3813             Jack Howarth <howarth@bromo.med.uc.edu>
3814
3815         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3816         variables TLS.
3817
3818 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3819
3820         PR other/25232
3821         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3822         and __unordtf2.
3823         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3824         Include ___unordxf2 and ___unordtf2.
3825         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3826         GCC_4.4.0 here.
3827
3828 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3829
3830         * config/lm32/t-lm32: New file.
3831         * config.gcc: Use the above file when targetting lm32.
3832
3833 2010-03-28  Duncan Sands  <baldrick@free.fr>
3834
3835         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3836
3837 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         PR middle-end/43431
3840         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3841         Improve vectorization cost model diagnostic.
3842
3843 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3844
3845         PR middle-end/43436
3846         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3847         compute_data_dependences_for_loop returns false, early exit
3848         and output an extra diagnostic for the failed data reference
3849         analysis.
3850
3851 2010-03-29  Richard Guenther  <rguenther@suse.de>
3852
3853         PR tree-optimization/43560
3854         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3855         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3856
3857 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3858
3859         PR 43564
3860         * toplev.c (process_options): Set optimization_default_node
3861         and optimization_current_node.
3862         * opts.c (decode_options): Don't set optimization_default_node
3863         and optimization_current_node.
3864
3865 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3866
3867         * config/rtems.h: Abandon -qrtems_debug.
3868
3869 2010-03-28  Jan Hubicka  <jh@suse.cz>
3870
3871         PR tree-optimization/43505
3872         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3873         map should not be copied.
3874
3875 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3876
3877         PR middle-end/41674
3878         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3879         cdtors, set DECL_PRESERVE_P.
3880         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3881         should be preseved.
3882
3883 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3884
3885         PR tree-optimization/43528
3886         * stor-layout.c (place_field): Check that constant fits into
3887         unsigned HWI when skipping calculation of MS bitfield layout.
3888
3889 2010-03-27  Jan Hubicka  <jh@suse.cz>
3890
3891         PR middle-end/43391
3892         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3893         notice_global_symbol work.
3894
3895 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3896
3897         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3898         instead of dwarf2out_decl.
3899         (struct var_loc_node): Remove section_label field.
3900         (dwarf2out_function_decl): New function.
3901         (dwarf2out_var_location): Don't set section_label field.
3902         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3903
3904 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3905
3906         PR tree-optimization/43544
3907         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3908         First argument for builtin vectorized function hook is now a
3909         tree to be able to distinguish between machine specific and
3910         standard builtins.
3911         * targhooks.c (default_builtin_vectorized_function): Ditto.
3912         * targhooks.h (default_builtin_vectorized_function): Ditto.
3913         * target.h (struct gcc_target): Ditto.
3914         * tree-vect-stmts.c (vectorizable_function): Ditto.
3915         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3916         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3917         Ditto.
3918
3919 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3920
3921         PR c/43381
3922         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3923         nested binding iff it is a FUNCTION_DECL.
3924         (store_parm_decls_newstyle): Pass nested=true to bind for
3925         FUNCTION_DECLs amongst parameters.
3926
3927 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3928
3929         * var-tracking.c (vt_expand_loc_callback): Don't run
3930         cselib_expand_value_rtx_cb in dummy mode if
3931         cselib_dummy_expand_value_rtx_cb returned false.
3932
3933         * var-tracking.c (emit_note_insn_var_location): For one part
3934         notes with offset 0, don't add EXPR_LIST around the location.
3935         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3936         add_location_or_const_value_attribute): Adjust for that change.
3937
3938         PR debug/43540
3939         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3940         into first operand and location into second.
3941         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3942         dw_cfi_oprnd_loc for DW_CFA_expression.
3943         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3944         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3945         assume first argument is regnum and second argument is location.
3946
3947 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3948
3949         PR target/42113
3950         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3951         of scratch register to DImode.  Split to DImode comparison operator.
3952         Use SImode subreg of scratch register in the multiplication.
3953         (*cmp_sadd_sidi): Ditto.
3954         (*cmp_ssub_si): Ditto.
3955         (*cmp_ssub_sidi): Ditto.
3956
3957 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3958
3959         PR target/43524
3960         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3961         Remove invalid assert and wrong comment.
3962
3963 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3964
3965         PR debug/43516
3966         * flags.h (final_insns_dump_p): New extern.
3967         * final.c (final_insns_dump_p): New variable.
3968         (rest_of_clean_state): Set it before -fdump-final-insns=
3969         dumping, clear afterwards.
3970         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3971         MEM_ALIAS_SET on MEMs.
3972
3973 2010-03-26  David S. Miller  <davem@davemloft.net>
3974
3975         * configure.ac: Fix sparc GOTDATA_OP bug check.
3976         * configure: Rebuild.
3977
3978 2010-03-26  Alan Modra  <amodra@gmail.com>
3979
3980         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3981
3982 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3983
3984         * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3985         TLS_SECTION_ASM_FLAG.
3986
3987 2010-03-25  Jakub Jelinek  <jakub@redhat.com>
3988
3989         PR bootstrap/43511
3990         * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3991         Clear first_function_block_is_cold.
3992
3993         PR c/43385
3994         * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3995         argument if the argument is truth_value_p.
3996
3997 2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
3998
3999         * config/rs6000/constraints.md: Update copyright year for my changes.
4000
4001         PR target/43484
4002         * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is