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1 2011-03-01  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/47890
4         * tree-vect-loop.c (get_initial_def_for_induction): Set
5         related stmt properly.
6
7 2011-03-01  Richard Guenther  <rguenther@suse.de>
8
9         PR lto/47924
10         * lto-streamer.c (lto_record_common_node): Also register
11         the canonical type.
12
13 2011-03-01  Richard Guenther  <rguenther@suse.de>
14
15         PR lto/46911
16         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
17         Do not stream DECL_ABSTRACT_ORIGIN.
18         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
19         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
20         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
21         Do not stream DECL_ABSTRACT_ORIGIN.
22         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
23         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
24
25 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
26
27         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
28         FUNCTION_VALUE_REGNO_P): Remove.
29         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
30         Remove.
31         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
32         Add 'outgoing' argument.
33         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
34         function.
35         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
36         TARGET_FUNCTION_VALUE_REGNO_P): Define.
37
38 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
39
40         PR debug/28047
41         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
42         (lookup_filename): Likewise.
43         * final.c (remap_debug_filename): Use filename_ncmp instead of
44         strncmp.
45
46 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
47             Jakub Jelinek  <jakub@redhat.com>
48
49         PR middle-end/47893
50         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
51         (assign_stack_local_1): Change last argument type to int.
52         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
53         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
54         don't record padding space into frame_space_list nor
55         use those areas.
56         (assign_stack_local): Adjust caller.
57         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
58         of assign_stack_local, pass 0 as last argument.
59         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
60         callers.
61
62 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
63
64         PR debug/47283
65         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
66         Use target address_mode and pointer_mode hooks instead of hardcoded
67         Pmode and ptr_mode.  Handle some simple cases of extending if
68         POINTERS_EXTEND_UNSIGNED < 0.
69         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
70         Call convert_debug_memory_address.
71         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
72         convert_debug_memory_address.
73
74         PR middle-end/46790
75         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
76         * configure: Regenerated.
77         * config.in: Regenerated.
78         * varasm.c (default_function_section): Return NULL
79         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit
80         section name.
81
82 2011-02-28  Martin Jambor  <mjambor@suse.cz>
83
84         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
85         the description to match the printed values.
86
87 2011-02-28  Richard Guenther  <rguenther@suse.de>
88
89         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
90         of the copied scope tree.
91
92 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
93
94         * doc/extend.texi (Function Attributes): Avoid deeply (and
95         wrongly) nested tables.
96
97 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
98
99         PR middle-end/47903
100         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
101         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
102         r isn't op0 nor op1.
103
104 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
105
106         * config/avr/avr.md: Remove magic comment for emacs.
107
108 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
109
110         PR target/45261
111         * config/avr/avr.c (avr_option_override): Use error on bad options.
112         (avr_help): New function.
113         (TARGET_HELP): Define.
114
115 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
116
117         PR target/42240
118         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
119         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
120
121 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
122
123         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
124         (ARM Options): Ditto.
125         (i386 and x86-64 Options): Ditto.
126         (RX Options): Ditto.
127         (SPARC Options): Ditto.
128
129 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
130
131         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
132         FreeBSD 6 and later.  Generally use cpu generic.
133
134 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
135  
136         * doc/cpp.texi: Update copyright years.
137
138 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
139
140         PR target/46898
141         * config/lm32/lm32.md (ashrsi3): Added needed variable.
142
143 2011-02-25  Jon Beniston  <jon@beniston.com>
144
145         PR target/46898
146         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
147         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
148         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
149         (lm32_block_move_inline): Add type cast to remove warning.
150         (lm32_expand_prologue): Generate fp in a way compatible with
151         dwarf2out.
152         (gen_int_relational): Move declarations to start of function.
153
154 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
155
156         PR tree-optimization/45470
157         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
158         can throw internally only.
159         * tree-vect-stmts.c (vectorizable_call): Likewise.
160
161 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
162
163         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
164         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
165         * config/stormy16/stormy16-protos.h
166         (xstormy16_preferred_reload_class): Remove.
167         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
168         static. Change 'rclass' argument and return type to reg_class_t.
169         (TARGET_PREFERRED_RELOAD_CLASS,
170         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
171
172 2011-02-24  Richard Guenther  <rguenther@suse.de>
173
174         * lto-streamer-in.c (input_bb): Do not find referenced vars
175         in debug statements.
176
177 2011-02-23  Jason Merrill  <jason@redhat.com>
178
179         * common.opt (fabi-version): Document v5 and v6.
180
181 2011-02-23  Richard Guenther  <rguenther@suse.de>
182
183         PR tree-optimization/47849
184         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
185
186 2011-02-23  Jie Zhang  <jie@codesourcery.com>
187
188         * opts-common.c (decode_cmdline_option): Print empty string
189         argument as "" in decoded->orig_option_with_args_text.
190         * gcc.c (execute): Print empty string argument as ""
191         in the verbose output.
192         (do_spec_1): Keep empty string argument.
193
194 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
195
196         * config.gcc: Declare score-* and crx-* obsolete.
197
198 2011-02-23  Jie Zhang  <jie@codesourcery.com>
199
200         PR rtl-optimization/47763
201         * web.c (web_main): Ignore naked clobber when replacing register.
202
203 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
204
205         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
206         Remove.
207
208 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
209
210         PR doc/47848
211         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
212
213 2011-02-22  Mike Stump  <mikestump@comcast.net>
214
215         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
216         assembler.
217         * configure: Regenerate.
218
219 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
220
221         PR rtl-optimization/46002
222         * ira-color.c (update_copy_costs): Change class intersection
223         test to reg_class_contents[] test of 'hard_regno'.
224
225 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
226
227         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
228         than Driver option.
229         * config/hpux11.opt (mt): Likewise.
230         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
231         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
232         * config/vax/elf.opt (mno-asm-pic): Likewise.
233         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
234
235 2011-02-21  Mike Stump  <mikestump@comcast.net>
236
237         PR target/47822
238         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
239         tree so we can get save the type.
240         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
241         for CFString instead of trying to use past the end of the builtins.
242         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
243         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
244         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
245         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
246         Rename to darwin_builtin_cfstring.
247         (darwin_init_cfstring_builtins): Return the built type.
248
249 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
250
251         PR target/47840
252         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
253         (_mm256_insert_epi64): Use _mm_insert_epi64.
254
255 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
256
257         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
258         * config/stormy16/stormy16-protos.h
259         (xstormy16_mode_dependent_address_p): Remove.
260         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
261         Make static. Change return type to bool. Change argument type to
262         const_rtx. Remove dead code.
263         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
264
265 2011-02-21  Richard Guenther  <rguenther@suse.de>
266
267         PR lto/47820
268         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
269         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
270         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
271         TUs context.
272         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
273         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
274
275 2011-02-20  Richard Guenther  <rguenther@suse.de>
276
277         PR lto/47822
278         * tree.c (free_lang_data_in_decl): Clean builtins from
279         the TU decl BLOCK_VARS.
280
281 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
282
283         PR debug/47620
284         PR debug/47630
285         * haifa-sched.c (fix_tick_ready): Skip tick computation
286         for debug insns.
287
288 2011-02-19  Richard Guenther  <rguenther@suse.de>
289
290         PR lto/47647
291         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
292         Remove lazy BLOCK_VARS streaming.
293         (lto_input_ts_block_tree_pointers): Likewise.
294         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
295
296 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
297
298         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
299
300 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
301
302         * config/i386/biarch32.h, config/i386/mach.h,
303         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
304
305 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
306
307         PR target/47800
308         * config/i386/i386.md (peephole2 for shift and plus): Use
309         operands[1] original mode in the first insn.
310
311 2011-02-18  Mike Stump  <mikestump@comcast.net>
312
313         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
314
315 2011-02-18  Jan Hubicka  <jh@suse.cz>
316
317         PR middle-end/47788
318         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
319         to zero when the function is not inlinable at all.
320
321 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
322
323         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
324         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
325         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
326         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
327         * config/pa/t-pa64: Likewise.
328         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
329
330 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
331
332         PR driver/47787
333         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
334
335 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
336
337         PR target/47792
338         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
339
340 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
341
342         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
343         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
344         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
345         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
346         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
347         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
348         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
349         m32r_load_postinc_p, m32r_store_preinc_predec_p,
350         m32r_legitimate_address_p): New functions.
351         * config/m32r/constraints.md (constraint "S"): Don't use
352         STORE_PREINC_PREDEC_P.
353         (constraint "U"): Don't use LOAD_POSTINC_P.
354
355 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
356
357         PR rtl-optimization/46178
358         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
359         compute ira_hard_regno_cover_class[].
360
361 2011-02-18  Richard Guenther  <rguenther@suse.de>
362
363         PR lto/47798
364         * lto-streamer.h (lto_global_var_decls): Declare.
365         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
366         statics for global var processing.
367
368 2011-02-18  Richard Guenther  <rguenther@suse.de>
369
370         PR tree-optimization/47737
371         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
372         edge dominance check.
373
374 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
375
376         PR debug/47780
377         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
378         avoid invalid rtx sharing.
379
380 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
381
382         * doc/cpp.texi (Obsolete Features): Add background on the
383         origin of assertions.
384
385 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
386
387         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
388         objc_abi == 2.
389         * config/darwin.c (output_objc_section_asm_op): Added support for
390         ABI v1 and v2.
391         (is_objc_metadata): New.
392         (darwin_objc2_section): New.
393         (darwin_objc1_section): New.
394         (machopic_select_section): Added support for ABI v1 and v2.
395         (darwin_emit_objc_zeroed): New.
396         (darwin_output_aligned_bss): Detect objc metadata and treat it
397         appropriately.
398         (darwin_asm_output_aligned_decl_common): Same.
399         (darwin_asm_output_aligned_decl_local): Same.
400         * config/darwin-sections.def: Updated for ABI v1 and v2.
401         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
402         compiling Objective-C code for the NeXT runtime, default to using
403         ABI version 0 for 32-bit, and version 2 for 64-bit.
404
405 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
406
407         * common.opt (optimize_fast): New Variable.
408         * opts.c (default_options_optimization): Use opts->x_optimize_fast
409         instead of local variable ofast.
410
411 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
412
413         * doc/invoke.texi (fobjc-abi-version): Documented.
414         (fobjc-nilcheck): Documented.
415         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
416         version.
417
418 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
419
420         PR driver/47390
421         * common.opt (export-dynamic): New Driver option.
422         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
423
424 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
425
426         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
427
428 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
429             Jan Hubicka  <jh@suse.cz>
430
431         PR debug/47106
432         PR debug/47402
433         * cfgexpand.c (account_used_vars_for_block): Remove.
434         (estimated_stack_frame_size): Use referenced vars.
435         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
436         that were referenced in the original function.  Test src_fn
437         rather than cfun.  Drop redundant get_var_ann.
438         (setup_one_parameter): Drop redundant get_var_ann.
439         (declare_return_variable): Likewise.
440         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
441         (copy_arguments_for_versioning): Drop redundant get_var_ann.
442         * ipa-inline.c (compute_inline_parameters): Do not compute
443         disregard_inline_limits here.
444         (compute_inlinable_for_current, pass_inlinable): New.
445         (pass_inline_parameters): Require PROP_referenced_vars.
446         * cgraphunit.c (cgraph_process_new_functions): Don't run
447         compute_inline_parameters explicitly unless function is in SSA form.
448         (cgraph_analyze_function): Set .disregard_inline_limits.
449         * tree-sra.c (convert_callers): Compute inliner parameters
450         only for functions already in SSA form.
451
452 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
453
454         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
455         -mlittle-endian-data.
456
457 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
458
459         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
460         -mno-fpu, not -fpu and -no-fpu.
461         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
462         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
463
464 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
465
466         PR target/43653
467         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
468         input reload with PLUS RTX.
469
470 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
471
472         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
473         of InverseVar(MDMX).
474
475 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
476
477         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
478         --m4-340.
479
480 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
481
482         * config/mn10300/mn10300.opt (mno-crt0): New.
483
484 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
485
486         * config/m68k/uclinux.opt (static-libc): New Driver option.
487
488 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
489
490         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
491
492 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
493
494         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
495         %{muser-extend-enabled}.
496
497 2011-02-16  Richard Guenther  <rguenther@suse.de>
498
499         PR tree-optimization/47738
500         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
501         the TODO from tree_predictive_commoning.
502
503 2011-02-15  Jeff Law  <law@redhat.com>
504
505         Revert
506         2011-01-25  Jeff Law  <law@redhat.com>
507
508         PR rtl-optimization/37273
509         * ira-costs.c (scan_one_insn): Detect constants living in memory and
510         handle them like argument loads from stack slots.  Do not double
511         count memory for memory constants and argument loads from stack slots.
512
513 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
514
515         PR middle-end/47725
516         * combine.c (cant_combine_insn_p): Revert the last change.
517
518 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
519
520         PR target/47755
521         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
522         mode for vector constants.  Remove code that checks for TImode.
523
524 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
525
526         PR debug/47106
527         PR debug/47402
528         * cgraph.h (compute_inline_parameters): Return void.
529         * ipa-inline.c (compute_inline_parameters): Adjust.
530
531 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
532
533         PR debug/47106
534         PR debug/47402
535         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
536         rather than decl.
537         * cfgexpand.c (estimated_stack_frame_size): Likewise.
538         * ipa-inline.c (compute_inline_parameters): Adjust.
539
540 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
541
542         PR debug/47106
543         PR debug/47402
544         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
545         Adjust all users.  Pass FN to...
546         * tree-flow-inline.h (first_referenced_var): ... this.  Add
547         fn argument.
548         * ipa-struct-reorg.c: Adjust.
549         * tree-dfa.c: Adjust.
550         * tree-into-ssa.c: Adjust.
551         * tree-sra.c: Adjust.
552         * tree-ssa-alias.c: Adjust.
553         * tree-ssa-live.c: Adjust.
554         * tree-ssa.c: Adjust.
555         * tree-ssanames.c: Adjust.
556         * tree-tailcall.c: Adjust.
557
558 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
559
560         PR debug/47106
561         PR debug/47402
562         * tree-flow.h (referenced_var_lookup): Add fn parameter.
563         Adjust all callers.
564         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
565         * tree-flow-inline.h: Adjust.
566         * gimple-pretty-print.c: Adjust.
567         * tree-into-ssa.c: Adjust.
568         * tree-ssa.c: Adjust.
569         * cfgexpand.c: Adjust.
570
571 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
572
573         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
574         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
575         (EXTRA_CONSTRAINT): Delete.
576         * config/iq2000/constraints.md: New file.
577         * config/iq2000/iq2000.md: Include it.
578         (define_insn ""): Delete.
579         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
580         unsupported constraint letters from patterns.
581         (call_value, call_value_internal1): Likewise.
582         (call_value_multiple_internal1): Likewise.
583
584 2011-02-15  Nick Clifton  <nickc@redhat.com>
585
586         * config/mn10300/mn10300.c: Include tm-constrs.h.
587         (struct liw_data): New data structure describing an LIW candidate
588         instruction.
589         (extract_bundle): Use struct liw_data.  Allow small integer
590         operands for some instructions.
591         (check_liw_constraints): Use struct liw_data.  Remove swapped
592         parameter.  Add comments describing the checks.  Fix bug when
593         assigning the source of liw1 to the source of liw2.
594         (liw_candidate): Delete.  Code moved into extract_bundle.
595         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
596         before swapping.
597         * config/mn10300/predicates.md (liw_operand): New predicate.
598         Allows registers and small integer constants.
599         * config/mn10300/constraints.md (O): New constraint.  Accetps
600         integers in the range -8 to +7 inclusive.
601         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
602         for moving a small integer into a register.  Give this alternative
603         LIW attributes.
604         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
605         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
606         using the J,K,L and M constraints,
607         (liw): Remove SI mode on second operands to allow for HI and QI
608         mode values.
609         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
610         instruction.
611
612 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
613
614         PR middle-end/47725
615         * combine.c (cant_combine_insn_p): Check zero/sign extended
616         hard registers.
617
618 2011-02-15  Richard Guenther  <rguenther@suse.de>
619
620         PR tree-optimization/47743
621         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
622         for a non-type-compatible VN lookup bail out.
623
624 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
625
626         * config/fr30/constraints.md: New file.
627         * config/fr30/fr30.md: Include it.
628         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
629         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
630         (EXTRA_CONSTRAINT): Delete.
631
632 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
633
634         * config/frv/constraints.md: New file.
635         * config/frv/predicates.md: Include it.
636         * config/frv/frv.c (reg_class_from_letter): Delete.
637         (frv_option_override): Don't initialize it.
638         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
639         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
640         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
641         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
642         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
643         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
644         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
645         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
646         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
647         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
648         (REG_CLASS_FROM_CONSTRAINT): Delete.
649
650 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
651
652         PR middle-end/47581
653         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
654         if frame size is 0 in a leaf function.
655
656 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
657
658         PR pch/14940
659         * config/alpha/host-osf.c: New file.
660         * config/alpha/x-osf: New file.
661         * config.host (alpha*-dec-osf*): Use it.
662
663 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
664
665         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
666         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
667         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
668         (rx_mode_dependent_address_p): ...this. Make static. Change argument
669         type to const_rtx.
670         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
671
672 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
673
674         * config/stormy16/constraints.md: New file.
675         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
676         Use satisfies_constraint_Q and satisfies_constraint_R.
677         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
678         Delete.
679         (xstormy16_legitiamte_address_p): Declare.
680         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
681         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
682         (EXTRA_CONSTRAINT): Delete.
683         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
684         Un-staticize.
685         (xstormy16_extra_constraint_p): Delete.
686
687 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
688
689         PR tree-optimization/46494
690         * loop-unroll.c (split_edge_and_insert): Adjust comment.
691         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
692         (pass_rtl_loop_done): Add TODO_verify_flow.
693         * fwprop.c (pass_rtl_fwprop): Likewise.
694         * modulo-sched.c (pass_sms): Likewise.
695         * tree-ssa-dom.c (pass_dominator): Likewise.
696         * tree-ssa-loop-ch.c (pass_ch): Likewise.
697         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
698         (pass_tree_loop_done): Likewise.
699         * tree-ssa-pre.c (execute_pre): Likewise.
700         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
701         * tree-ssa-sink.c (pass_sink_code): Likewise.
702         * tree-vrp.c (pass_vrp): Likewise.
703
704 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
705
706         * config/v850/constraints.md: New file.
707         * config/v850/v850.md: Include it.
708         * config/v850/predicates.md (reg_or_0_operand): Use
709         satisfies_constraint_G.
710         (special_symbolref_operand): Use satisfies_constraint_K.
711         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
712         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
713         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
714         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
715         (EXTRA_CONSTRAINT): Delete.
716         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
717         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
718         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
719
720 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
721
722         PR target/47696
723         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
724         description.
725
726 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
727
728         * config/mcore/constraints.md: New file.
729         * config/mcore/mcore.md: Include it.
730         * config/mcore/mcore.c (reg_class_from_letter): Delete.
731         * config/mcore/mcore.h (reg_class_from_letter): Delete.
732         (REG_CLASS_FROM_LETTER): Delete.
733         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
734         insn_const_int_ok_for_constraint.
735         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
736         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
737         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
738         (EXTRA_CONSTRAINT): Delete.
739
740 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
741
742         PR ada/41929
743         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
744         (IS_SIGHANDLER): Define.
745         (sparc64_is_sighandler): New function, split off from
746         sparc64_fallback_frame_state.
747         (sparc_is_sighandler): New function, split off from
748         sparc_fallback_frame_state.
749         (sparc64_fallback_frame_state): Merge with ...
750         (sparc_fallback_frame_state): ... this into ...
751         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
752         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
753         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
754         stack instead of hardcoded offsets.
755
756 2011-02-14  Andriy Gapon  <avg@freebsd.org>
757
758         PR target/45808
759         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
760
761 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
762
763         * configure: Regenerate.
764
765 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
766
767         PR driver/45731
768         * gcc.c (asm_options): Correct spec matching --target-help.
769
770 2011-02-12  Martin Jambor  <mjambor@suse.cz>
771
772         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
773         to gimple call error.
774
775 2011-02-12  Mike Stump  <mikestump@comcast.net>
776
777         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
778         comments in backslash regions.
779
780 2011-02-12  Mike Stump  <mikestump@comcast.net>
781             Jakub Jelinek  <jakub@redhat.com>
782             Iain Sandoe  <iains@gcc.gnu.org>
783
784         PR target/47324
785         * dwarf2out.c (output_cfa_loc): When required, apply the
786         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
787         (output_loc_sequence): Likewise.
788         (output_loc_operands_raw): Likewise.
789         (output_loc_sequence_raw): Likewise.
790         (output_cfa_loc): Likewise.
791         (output_loc_list): Suppress register number adjustment when
792         calling output_loc_sequence()
793         (output_die): Likewise.
794
795 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
796
797         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
798         Remove macros.
799         * config/xtensa/xtensa.c (xtensa_register_move_cost,
800         xtensa_memory_move_cost): New functions.
801         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
802
803 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
804
805         PR lto/47225
806         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
807         in the current directory.
808         * configure: Rebuilt.
809
810 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
811
812         * config/darwin.c (darwin_override_options): Add a hunk missed
813         from the commit of r168571.  Trim comment line lengths and
814         correct indents of the preceding block.
815
816 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
817
818         * gcc.c (driver_handle_option): Concatenate the argument to -F with
819         the switch.
820
821 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
822
823         * common.opt (nostartfiles): New Driver option.
824
825 2011-02-11  Xinliang David Li  <davidxl@google.com>
826
827         PR tree-optimization/47707
828         * tree-chrec.c (convert_affine_scev): Keep type precision.
829
830 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
831
832         PR tree-optimization/47420
833         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
834
835 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
836
837         PR rtl-optimization/47614
838         * rtl.h (check_for_inc_dec): Declare.
839         * dse.c (check_for_inc_dec): Externalize...
840         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
841         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
842
843 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
844
845         PR driver/47678
846         * gcc.c (main): Do not compile inputs if there were errors in
847         option handling.
848         * opts-common.c (read_cmdline_option): Check for wrong language
849         after other error checks.
850
851 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
852
853         * cgraph.c: Fix comment typos.
854         * cgraph.h: Likewise.
855         * cgraphunit.c: Likewise.
856         * ipa-cp.c: Likewise.
857         * ipa-inline.c: Likewise.
858         * ipa-prop.c: Likewise.
859         * ipa-pure-const.c: Likewise.
860         * ipa-ref.c: Likewise.
861         * ipa-reference.c: Likewise.
862
863 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
864
865         PR debug/47684
866         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
867
868 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
869
870         PR testsuite/47400
871         * doc/sourcebuild.texi (Require Support): Document
872         dg-require-ascii-locale.
873
874 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
875
876         * doc/lto.texi (Write summary): Fix missing parentheses.
877
878 2011-02-10  DJ Delorie  <dj@redhat.com>
879
880         * config/m32c/m32c.c (m32c_option_override): Disable
881         -fcombine-stack-adjustments until flag value tracking and compare
882         optimization can be rewritten.
883
884 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
885
886         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
887         PROCESSOR_POWER7.
888         (PROCESSOR_DEFAULT64): Likewise.
889
890 2011-02-10  Richard Henderson  <rth@redhat.com>
891
892         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
893         change from 2011-02-03.
894         * config/rx/rx.c (flags_from_code): Likewise.
895         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
896         is valid, n/pz otherwise.
897         (rx_select_cc_mode): Return CCmode if Y is not zero.
898
899 2011-02-10  Richard Guenther  <rguenther@suse.de>
900
901         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
902
903 2011-02-10  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/47677
906         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
907
908 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
909
910         PR target/47665
911         * combine.c (make_compound_operation): Only change shifts into
912         multiplication for SCALAR_INT_MODE_P.
913
914 2011-02-10  Jie Zhang  <jie@codesourcery.com>
915
916         PR testsuite/47622
917         Revert
918         2011-02-05  Jie Zhang  <jie@codesourcery.com>
919         PR debug/42631
920         * web.c (entry_register): Don't clobber the number of the
921         first uninitialized reference in used[].
922
923 2011-02-09  Richard Guenther  <rguenther@suse.de>
924
925         PR tree-optimization/47664
926         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
927         all edges again.
928
929 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
930
931         PR target/46481
932         PR target/47032
933         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
934         PROCESSOR_POWER7.
935         (PROCESSOR_DEFAULT64): Same.
936         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
937
938 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
939
940         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
941
942 2011-02-09  Martin Jambor  <mjambor@suse.cz>
943
944         PR middle-end/45505
945         * tree-sra.c (struct access): New flags grp_scalar_read and
946         grp_scalar_write.  Changed description of assignment read and write
947         flags.
948         (dump_access): Dump new flags, reorder all of them.
949         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
950         to detect multiple scalar reads.
951         (analyze_access_subtree): Use the new scalar read write flags instead
952         of the old flags.  Adjusted comments.
953
954 2011-02-08  DJ Delorie  <dj@redhat.com>
955
956         PR target/47548
957         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
958         patterns.
959
960 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
961
962         * config/m68k/uclinux.opt: New.
963         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
964
965 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
966
967         * config/cris/elf.opt (sim): New Driver option.
968
969 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
970
971         * config/xtensa/elf.opt: New.
972         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
973
974 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
975
976         * config/vax/elf.opt: New.
977         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
978
979 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
980
981         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
982
983 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
984
985         * config/gnu-user.opt: New.
986         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
987         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
988         *-*-uclinux*): Use gnu-user.opt.
989
990 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
991
992         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
993         * config/i386/gnu.h (CPP_SPEC): Likewise.
994
995 2011-02-08  Ian Lance Taylor  <iant@google.com>
996
997         * common.opt (fcx-limited-range): Add SetByCombined flag.
998         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
999         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1000         (fassociative-math, freciprocal-math): Likewise.
1001         (funsafe-math-optimizations): Likewise.
1002         * opth-gen.awk: Handle SetByCombined.
1003         * optc-gen.awk: Likewise.
1004         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1005         (set_unsafe_math_optimizations_flags): Likewise.
1006         * doc/options.texi (Option properties): Document SetByCombined.
1007
1008 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1009
1010         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1011         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1012         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1013         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1014         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1015
1016 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1017
1018         PR tree-optimization/46834
1019         PR tree-optimization/46994
1020         PR tree-optimization/46995
1021         * graphite-sese-to-poly.c (used_outside_reduction): New.
1022         (detect_commutative_reduction): Call used_outside_reduction.
1023         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1024         translate_scalar_reduction_to_array only when at least one
1025         loop-phi/close-phi tuple has been detected.
1026
1027 2011-02-08  Richard Guenther  <rguenther@suse.de>
1028
1029         PR middle-end/47639
1030         * tree-vect-generic.c (expand_vector_operations_1): Update
1031         stmts here ...
1032         (expand_vector_operations): ... not here.  Cleanup EH info
1033         and the CFG if required.
1034
1035 2011-02-08  Richard Guenther  <rguenther@suse.de>
1036
1037         PR tree-optimization/47641
1038         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1039         require type compatibility.
1040
1041 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1042
1043         * gimple-low.c (lower_function_body): Don't remove the location of
1044         the return statement here.
1045         (lower_gimple_return): Do it here instead but only if the return
1046         statement is actually used twice.
1047
1048 2011-02-08  Richard Guenther  <rguenther@suse.de>
1049
1050         PR tree-optimization/47632
1051         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1052         unused up_to_stmt parameter, return whether cfg-cleanup is
1053         necessary, remove EH info properly.
1054         (forward_propagate_into_gimple_cond): Adjust caller.
1055         (forward_propagate_into_cond): Likewise.
1056         (forward_propagate_comparison): Likewise.
1057         (tree_ssa_forward_propagate_single_use_vars): Make
1058         forward_propagate_comparison case similar to the two others.
1059
1060 2011-02-08  Nick Clifton  <nickc@redhat.com>
1061
1062         * config/mn10300/mn10300.opt (mliw): New command line option.
1063         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1064         (liw_bundling): New automaton.
1065         (liw): New attribute.
1066         (liw_op): New attribute.
1067         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1068         (movsi_internal): Add LIW attributes.
1069         (andsi3): Likewise.
1070         (iorsi3): Likewise.
1071         (xorsi3): Likewise.
1072         (addsi3): Separate register and immediate alternatives.
1073         Add LIW attributes.
1074         (subsi3): Likewise.
1075         (cmpsi): Likewise.
1076         (aslsi3): Likewise.
1077         (lshrsi3): Likewise.
1078         (ashrsi3): Likewise.
1079         (liw): New pattern.
1080         * config/mn10300/mn10300.c (liw_op_names): New
1081         (mn10300_print_operand): Handle 'W' operand descriptor.
1082         (extract_bundle): New function.
1083         (check_liw_constraints): New function.
1084         (liw_candidate): New function.
1085         (mn10300_bundle_liw): New function.
1086         (mn10300_reorg): New function.
1087         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1088         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1089         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1090         __LIW__ or __NO_LIW__.
1091         * doc/invoke.texi: Describe the -mliw command line option.
1092
1093 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1094
1095         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1096         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1097         pthread_mutex_unlock): Remove.
1098         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1099         * config/pa/t-pa64: Likewise.
1100         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1101         shared libc if not linking against libpthread.
1102         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1103
1104 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1105
1106         PR target/47558
1107         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1108         on 10.6 and later to ensure that we always use the unwinder from
1109         the system.  Only add -no_compact_unwind when tarteting darwin
1110         10.6 or later.
1111
1112 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1113
1114         PR target/46997
1115         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1116         (vec_interleave_lowv2sf): Ditto.
1117         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1118         (vec_extract_oddv2sf): Ditto.
1119
1120 2011-02-07  Mike Stump  <mikestump@comcast.net>
1121
1122         PR target/42333
1123         Add __ieee_divdc3 entry point.
1124         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1125         entry point.
1126         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1127         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1128         * config/darwin.c (darwin_rename_builtins): Add.
1129         * config/darwin-protos.h (darwin_rename_builtins): Add.
1130
1131 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1132
1133         PR target/47636
1134         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1135         for the condition.
1136
1137 2011-02-07  Mike Stump  <mikestump@comcast.net>
1138
1139         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1140
1141 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1142
1143         PR target/47534
1144         * config/avr/libgcc.S (exit): Move .endfunc
1145
1146 2011-02-07  Richard Guenther  <rguenther@suse.de>
1147
1148         PR tree-optimization/47615
1149         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1150         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1151         (run_scc_vn): Initialize it.
1152         (visit_reference_op_load): Use it.
1153         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1154
1155 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1156
1157         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1158         DImode trapping arithmetic libfuncs.
1159
1160 2011-02-07  Richard Guenther  <rguenther@suse.de>
1161
1162         PR tree-optimization/47621
1163         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1164         two duplicates ...
1165         (execute_update_addresses_taken): ... here.  Make it more
1166         conservative in what we accept.
1167
1168 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1169
1170         * config/sparc/freebsd.h (ASM_SPEC): Define.
1171         * config/sparc/vxworks.h (ASM_SPEC): Define.
1172
1173 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1174
1175         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1176
1177 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1178
1179         * doc/invoke.texi: Remove reference to compiler internals from
1180         user documentation.
1181
1182         * reg-notes.def: Remove REG_VALUE_PROFILE.
1183         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1184
1185 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1186
1187         PR middle-end/47610
1188         * varasm.c (default_section_type_flags): If decl is NULL,
1189         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1190
1191 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1192
1193         PR debug/42631
1194         * web.c (entry_register): Don't clobber the number of the
1195         first uninitialized reference in used[].
1196
1197 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1198
1199         PR tree-optimization/46194
1200         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1201         (build_classic_dist_vector_1): Do not represent classic distance
1202         vectors when the access functions are variating in different loops.
1203
1204 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1205
1206         * config/mips/iris6.opt: New.
1207         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1208
1209 2011-02-04  Richard Henderson  <rth@redhat.com>
1210             Steve Ellcey  <sje@cup.hp.com>
1211
1212         PR target/46997
1213         * config/ia64/predicates.md (mux1_brcst_element): New.
1214         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1215         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1216         (ia64_unpack_sign): New.
1217         (ia64_expand_unpack): Rewrite using new routines.
1218         (ia64_expand_widen_sum): Ditto.
1219         (ia64_expand_dot_prod_v8qi): Ditto.
1220         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1221         routines, add endian check.
1222         (pmpy2_even): Rename from pmpy2_r, add endian check.
1223         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1224         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1225         (vec_widen_smult_hi_v4hi): Ditto.
1226         (vec_widen_umult_lo_v4hi): Ditto.
1227         (vec_widen_umult_hi_v4hi): Ditto.
1228         (mulv2si3): Change endian checks.
1229         (sdot_prodv4hi): Rewrite with new calls.
1230         (udot_prodv4hi): New.
1231         (vec_pack_ssat_v4hi): Add endian check.
1232         (vec_pack_usat_v4hi): Ditto.
1233         (vec_pack_ssat_v2si): Ditto.
1234         (max1_even): Rename from max1_r, add endian check.
1235         (max1_odd): Rename from max1_l, add endian check.
1236         (*mux1_rev): Format change.
1237         (*mux1_mix): Ditto.
1238         (*mux1_shuf): Ditto.
1239         (*mux1_alt): Ditto.
1240         (*mux1_brcst_v8qi): Use new predicate.
1241         (vec_extract_evenv8qi): Remove endian check.
1242         (vec_extract_oddv8qi): Ditto.
1243         (vec_interleave_lowv4hi): Format change.
1244         (vec_interleave_highv4hi): Ditto.
1245         (mix2_even): Rename from mix2_r, add endian check.
1246         (mix2_odd): Rename from mux2_l, add endian check.
1247         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1248         (vec_extract_evenodd_helper): Format change.
1249         (vec_extract_evenv4hi): Remove endian check.
1250         (vec_extract_oddv4hi): Remove endian check.
1251         (vec_interleave_lowv2si): Format change.
1252         (vec_interleave_highv2si): Format change.
1253         (vec_initv2si): Remove endian check.
1254         (vecinit_v2si): Add endian check.
1255         (reduc_splus_v2sf): Add endian check.
1256         (reduc_smax_v2sf): Ditto.
1257         (reduc_smin_v2sf): Ditto.
1258         (vec_initv2sf): Remove endian check.
1259         (fpack): Add endian check.
1260         (fswap): Add endian check.
1261         (vec_interleave_highv2sf): Add endian check.
1262         (vec_interleave_lowv2sf): Add endian check.
1263         (fmix_lr): Add endian check.
1264         (vec_setv2sf): Format change.
1265         (*vec_extractv2sf_0_be): Use shift to extract operand.
1266         (*vec_extractv2sf_1_be): New.
1267         (vec_pack_trunc_v4hi): Add endian check.
1268         (vec_pack_trunc_v2si): Format change.
1269
1270 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1271
1272         PR inline-asm/23200
1273         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1274         do bb, locus and block comparison and disallow loads if it is not set.
1275         (stmt_is_replaceable_p): New function.
1276         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1277         callers.
1278         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1279         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1280         SSA_NAME_DEF_STMT.
1281         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1282
1283 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1284
1285         * config/rs6000/xilinx.opt: New.
1286         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1287
1288 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1289
1290         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1291
1292 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1293
1294         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1295         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1296         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1297         secondary_reload_info, xtensa_secondary_reload): Remove.
1298         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1299         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1300         (xtensa_preferred_reload_class): Make static. Change return and
1301         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1302         Use CONST_DOUBLE_P predicate.
1303         (xtensa_preferred_output_reload_class): New function.
1304         (xtensa_secondary_reload): Make static.
1305
1306 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1307
1308         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1309         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1310         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1311
1312 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1313
1314         PR middle-end/31490
1315         * output.h (SECTION_RELRO): Define.
1316         (SECTION_MACH_DEP): Adjust.
1317         (get_variable_section): New prototype.
1318         * varpool.c (varpool_finalize_named_section_flags): New function.
1319         (varpool_assemble_pending_decls): Call it.
1320         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1321         * cgraphunit.c (cgraph_output_in_order): Call
1322         varpool_finalize_named_section_flags.
1323         * varasm.c (get_section): Allow section flags conflicts between
1324         relro and read-only sections if the section hasn't been declared yet.
1325         Set SECTION_OVERRIDE after diagnosing section type conflict.
1326         (get_variable_section): No longer static.
1327         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1328         readonly sections that need relocations.
1329         (decl_readonly_section_1): New function.
1330         (decl_readonly_section): Use it.
1331
1332         Revert:
1333         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1334                     Steve Ellcey  <sje@cup.hp.com>
1335
1336         PR middle-end/31490
1337         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1338         if section attribute used.
1339
1340 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1341
1342         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1343         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1344         (darwin_init_sections): Remove assertion.
1345
1346 2011-02-03  Nick Clifton  <nickc@redhat.com>
1347
1348         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1349         lt and ge.
1350         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1351         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1352         instead of "n" and "pz".
1353         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1354         CC_FLAG_S.
1355
1356 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1357
1358         PR target/47312
1359         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1360         fma, expand FMA_EXPR as fma{,f,l} call.
1361
1362         PR lto/47274
1363         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1364         copy them into a unsigned char variable and pass address of it to
1365         lto_output_data_stream.
1366
1367         PR target/47564
1368         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1369         around backend_init_target and lang_dependent_init_target calls.
1370         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1371         (verify_cgraph_node): Don't call set_cfun here.  Use
1372         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1373         Set error_found for incorrectly represented calls to thunks.
1374
1375 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1376
1377         PR debug/43092
1378         PR rtl-optimization/43494
1379         * rtl.h (for_each_inc_dec_fn): New type.
1380         (for_each_inc_dec): Declare.
1381         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1382         (for_each_inc_dec_find_inc_dec): New fn.
1383         (for_each_inc_dec_find_mem): New fn.
1384         (for_each_inc_dec): New fn.
1385         * dse.c (struct insn_size): Remove.
1386         (replace_inc_dec, replace_inc_dec_mem): Remove.
1387         (emit_inc_dec_insn_before): New fn.
1388         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1389         (canon_address): Pass mem modes to cselib_lookup.
1390         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1391         (cselib_lookup_from_insn): Likewise.
1392         (cselib_subst_to_values): Likewise.
1393         * cselib.c (find_slot_memmode): New var.
1394         (cselib_find_slot): New fn.  Use it instead of
1395         htab_find_slot_with_hash everywhere.
1396         (entry_and_rtx_equal_p): Use find_slot_memmode.
1397         (autoinc_split): New fn.
1398         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1399         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1400         Deal with autoinc.  Special-case recursion into MEMs.
1401         (cselib_hash_rtx): Likewise.
1402         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1403         address and MEM modes.
1404         (cselib_subst_to_values): Add memmode, pass it on.
1405         Deal with autoinc.
1406         (cselib_lookup): Add memmode argument, pass it on.
1407         (cselib_lookup_from_insn): Add memmode.
1408         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1409         (struct cselib_record_autoinc_data): New.
1410         (cselib_record_autoinc_cb): New fn.
1411         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1412         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1413         (cselib_process_insn): ... here.
1414         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1415         to cselib_lookup.
1416         (add_uses): Likewise, also to cselib_subst_to_values.
1417         (add_stores): Likewise.
1418         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1419         cselib_subst_to_values.
1420         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1421         * gcse.c (do_local_cprop): Adjusted.
1422         * postreload.c (reload_cse_simplify_set): Adjusted.
1423         (reload_cse_simplify_operands): Adjusted.
1424         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1425
1426 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1427
1428         PR tree-optimization/45122
1429         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1430         unsafe assumptions when there's more than one loop exit.
1431
1432 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1433
1434         PR target/47272
1435         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1436         Document using vector double with the load/store builtins, and
1437         that the load/store builtins always use Altivec instructions.
1438
1439         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1440         to use altivec memory instructions, even on VSX.
1441         (vector_altivec_store_<mode>): Ditto.
1442
1443         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1444         function.
1445
1446         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1447         V2DF, V2DI support to load/store overloaded builtins.
1448
1449         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1450         altivec load/store builtins for V2DF/V2DI types.
1451
1452         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1453         set avoid indexed addresses on power6 if -maltivec.
1454         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1455         vector_altivec_load/vector_altivec_store builtins.
1456         (altivec_expand_st_builtin): Ditto.
1457         (altivec_expand_builtin): Add VSX memory builtins.
1458         (rs6000_init_builtins): Add V2DI types to internal types.
1459         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1460         load/store builtins.
1461         (rs6000_address_for_altivec): Insure memory address is appropriate
1462         for Altivec.
1463
1464         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1465         vec_vsx_ld and vec_vsx_st.
1466         (vsx_store_<mode>): Ditto.
1467
1468         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1469         variables to hold long long types for VSX vector memory builtins.
1470         (RS6000_BTI_unsigned_long_long): Ditto.
1471         (long_long_integer_type_internal_node): Ditti.
1472         (long_long_unsigned_type_internal_node): Ditti.
1473
1474         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1475         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1476         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1477
1478         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1479         short cuts.
1480         (vec_vsx_st): Ditto.
1481
1482 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1483
1484         * config/pa/pa-hpux10.opt: New.
1485         * config/hpux11.opt (pthread): New Driver option.
1486         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1487         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1488
1489 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1490
1491         * config/ia64/vms.opt: New.
1492         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1493
1494 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1495
1496         PR target/47580
1497         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1498         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1499         generator functions.
1500         (vsx_floatuns<VSi><mode>2): Ditto.
1501         (vsx_fix_trunc<mode><VSi>2): Ditto.
1502         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1503
1504 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1505
1506         * config/i386/djgpp.opt (posix): New Driver option.
1507
1508 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1509
1510         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1511         Move to the unsupported targets list.
1512
1513 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1514
1515         PR rtl-optimization/47525
1516         * df-scan.c: Update copyright years.
1517         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1518         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1519
1520 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1521
1522         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1523         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1524         (ASM_OUTPUT_ASCII): Remove.
1525         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1526
1527 2011-02-02  Jeff Law  <law@redhat.com>
1528
1529         PR middle-end/47543
1530         * reload.c (find_reloads_address): Handle reg+d address where both
1531         components are invalid by reloading the entire address.
1532
1533 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1534             Richard Guenther  <rguenther@suse.de>
1535
1536         PR tree-optimization/40979
1537         PR bootstrap/47044
1538         * passes.c (init_optimization_passes): After LIM call copy_prop
1539         and DCE to clean up.
1540         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1541
1542 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1543
1544         PR tree-optimization/47576
1545         PR tree-optimization/47555
1546         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1547         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1548         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1549         * tree-scalar-evolution.c (follow_ssa_edge): Use
1550         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1551
1552 2011-02-02  Richard Guenther  <rguenther@suse.de>
1553
1554         PR tree-optimization/47566
1555         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1556
1557 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1558
1559         PR debug/47106
1560         PR debug/47402
1561         * tree-inline.c (declare_return_variable): Remove unused caller
1562         variable.
1563
1564         PR debug/47106
1565         PR debug/47402
1566         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1567         * cfgexpand.c (account_used_vars_for_block): Use them.
1568         * tree-nrv.c (tree_nrv): Likewise.
1569         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1570         (dump_scope_block): Likewise.
1571         (remove_unused_locals): Likewise.
1572
1573         PR debug/47106
1574         PR debug/47402
1575         * tree-inline.c (declare_return_variable): Add result decl to
1576         local decls only once.
1577         * gimple-low.c (record_vars_into): Mark newly-created variables
1578         as referenced.
1579
1580 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1581
1582         PR debug/47498
1583         PR debug/47501
1584         PR debug/45136
1585         PR debug/45130
1586         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1587         debug insns.
1588         (no_real_insns_p, schedule_block, set_priorities): Drop special
1589         treatment of boundary debug insns.
1590         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1591         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1592         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1593         (BOUNDARY_DEBUG_INSN_P): Likewise.
1594         (SCHEDULE_DEBUG_INSN_P): Likewise.
1595         * sched-rgn.c (init_ready_list): Drop special treatment of
1596         boundary debug insns.
1597         * final.c (rest_of_clean_state): Clear notes' BB.
1598
1599 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1600
1601         * config/openbsd.opt (assert=): New Driver option.
1602
1603 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1604
1605         * config/i386/nto.opt: New.
1606         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1607
1608 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1609
1610         * config/i386/netware.opt: New.
1611         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1612
1613 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1614
1615         * config/interix.opt (posix): New Driver option.
1616
1617 2011-02-01  DJ Delorie  <dj@redhat.com>
1618
1619         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1620
1621         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1622         class for A0/A1.
1623
1624 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1625
1626         PR tree-optimization/47561
1627         * toplev.c (process_options): Print the Graphite flags.  Add
1628         flag_loop_flatten to the list of options requiring Graphite.
1629
1630 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1631
1632         * config/i386/cygming.opt (posix): New Driver option.
1633
1634 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1635
1636         * config/arm/vxworks.opt: New.
1637         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1638
1639 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1640
1641         * config/alpha/elf.opt: New.
1642         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1643         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1644
1645 2011-02-01  Richard Guenther  <rguenther@suse.de>
1646
1647         PR tree-optimization/47559
1648         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1649         store-motion on references that can throw.
1650
1651 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1652
1653         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1654         * tree-pass.h (TDF_CSELIB): New macro.
1655         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1656         cselib_lookup): Check for it rather than for TDF_DETAILS.
1657
1658 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1659
1660         PR driver/47547
1661         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1662         is HOST_BIT_BUCKET.
1663
1664         * opts.c (finish_options): Don't add x_aux_base_name if it is
1665         HOST_BIT_BUCKET.
1666
1667 2011-02-01  Richard Guenther  <rguenther@suse.de>
1668
1669         PR tree-optimization/47555
1670         Revert
1671         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1672
1673         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1674
1675 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1676
1677         PR gcc/46692
1678         * config/lm32/t-lm32: Add multilib for all CPU options.
1679
1680 2011-02-01  Richard Guenther  <rguenther@suse.de>
1681
1682         PR tree-optimization/47541
1683         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1684         sure to have a field at offset zero.
1685
1686 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1687
1688         * config/arc/arc.opt (EB, EL): New Driver options.
1689
1690 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1691
1692         * config/alpha/osf5.opt: New.
1693         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1694
1695 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1696
1697         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1698
1699 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1700
1701         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1702         -floop-interchange.
1703         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1704         is an alias of -floop-interchange and that it requires the
1705         Graphite infrastructure.
1706         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1707         flag_loop_interchange based on the value of flag_tree_loop_linear.
1708
1709 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1710             Richard Guenther  <rguenther@suse.de>
1711
1712         PR tree-optimization/47538
1713         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1714         type instead of r1type, except for comparisons.  For right
1715         shifts and comparisons punt if there are mismatches in
1716         sizetype vs. non-sizetype types.
1717
1718 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1719
1720         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1721         avx_runtime.
1722
1723 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1724
1725         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1726         version number.
1727         * configure: Regenerate.
1728
1729 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1730
1731         * configure.ac (gcc_cv_ld_static_option): Define.
1732         (gcc_cv_ld_dynamic_option): Define.
1733         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1734         instead.
1735         (HAVE_LD_STATIC_DYNAMIC): Update message.
1736         (LD_STATIC_OPTION): Define.
1737         (LD_DYNAMIC_OPTION): Define.
1738         * configure: Regenerate.
1739         * config.in: Regenerate.
1740         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1741         HAVE_LD_STATIC_DYNAMIC]: Use them.
1742
1743 2011-01-31  Nick Clifton  <nickc@redhat.com>
1744
1745         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1746         registers inside interrupt handlers if the handler is not a leaf
1747         function.
1748
1749 2011-01-31  Nick Clifton  <nickc@redhat.com>
1750
1751         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1752         reg_renumber returning an INVALID_REGNUM.
1753
1754 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1755
1756         PR libgcj/44341
1757         * doc/install.texi: Document host options discarded when cross
1758         configuring target libraries.
1759
1760 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1761
1762         Reverted:
1763         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1764         PR debug/45136
1765         PR debug/45130
1766         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1767         debug insns.
1768         (no_real_insns_p, schedule_block, set_priorities): Drop special
1769         treatment of boundary debug insns.
1770         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1771         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1772         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1773         (BOUNDARY_DEBUG_INSN_P): Likewise.
1774         (SCHEDULE_DEBUG_INSN_P): Likewise.
1775         * sched-rgn.c (init_ready_list): Drop special treatment of
1776         boundary debug insns.
1777         * final.c (rest_of_clean-state): Clear notes' BB.
1778
1779 2011-01-31  Alan Modra  <amodra@gmail.com>
1780
1781         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1782         toc relative expressions as we do in print_operand_address.
1783
1784 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1785
1786         * doc/extend.texi: Follow spelling conventions.
1787         * doc/invoke.texi: Fix a typo.
1788
1789 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1790
1791         * config/hpux11.opt: New.
1792         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1793         ia64*-*-hpux*): Use hpux11.opt.
1794
1795 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
1796
1797         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1798         to tmake_file.
1799
1800 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1801
1802         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1803         support sites.
1804
1805 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1806
1807         * doc/install.texi (Binaries): Remove outdated reference for
1808         Motorola 68HC11/68HC12 downloads.
1809
1810 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1811
1812         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1813         Drepper's paper.
1814
1815 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1816
1817         PR bootstrap/47147
1818         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1819         used by NetBSD.
1820
1821 2011-01-28  Ahmad Sharif  <asharif@google.com>
1822
1823         * value-prof.c (check_counter): Corrected error message.
1824
1825 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1826
1827         * config/arm/arm.c (arm_legitimize_reload_address): New.
1828         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1829         arm_legitimize_reload_address.
1830         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1831
1832 2011-01-28  Ian Lance Taylor  <iant@google.com>
1833
1834         * godump.c (go_define): Ignore macros whose definitions include
1835         two adjacent operands.
1836
1837 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1838
1839         PR target/42894
1840         * varasm.c (force_const_mem): Store copy of x in desc->constant
1841         instead of x itself.
1842         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1843         itself into REG_EQUAL note.
1844
1845 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
1846
1847         * config/freebsd.opt (posix, rdynamic): New Driver options.
1848
1849 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1850
1851         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1852         -Bstatic/-Bdynamic.
1853         * configure: Regenerate.
1854
1855 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
1856
1857         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
1858         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
1859
1860 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
1861
1862         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
1863         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
1864         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1865         (s390_preferred_reload_class): Make static. Change return and
1866         'rclass' argument type to reg_class_t.
1867
1868 2011-01-27  Jan Hubicka  <jh@suse.cz>
1869
1870         PR middle-end/46949
1871         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
1872         (process_function_and_variable_attributes): Check defined weakrefs.
1873
1874 2011-01-27  Martin Jambor  <mjambor@suse.cz>
1875
1876         PR tree-optimization/47228
1877         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
1878         build_ref_for_offset.
1879
1880 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1881
1882         * config/spu/spu-elf.h (ASM_SPEC): Remove.
1883
1884 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
1885
1886         PR rtl-optimization/46856
1887         * postreload.c (reload_combine_recognize_const_pattern): Do not
1888         separate cc0 setter and user on cc0 targets.
1889
1890 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
1891
1892         PR c/43082
1893         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1894         passed a VOID_TYPE expression, immediately emit an error and
1895         return error_mark_node.
1896
1897 2011-01-26  Jeff Law  <law@redhat.com>
1898
1899         PR rtl-optimization/47464
1900         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1901         rather than may_trap_p as needed.
1902
1903 2011-01-26  DJ Delorie  <dj@redhat.com>
1904
1905         PR rtl-optimization/46878
1906         * combine.c (insn_a_feeds_b): Check for the implicit cc0
1907         setter/user dependency as well.
1908
1909 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1910
1911         PR rtl-optimization/44469
1912         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1913         after removing trivially dead basic blocks.
1914
1915 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1916
1917         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1918         * config/frv/frv.h (LINK_SPEC): Likewise.
1919         * config/i386/netware.h (LINK_SPEC): Likewise.
1920         * config/m68k/linux.h (ASM_SPEC): Likewise.
1921         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1922         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1923         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1924         * config/sparc/linux.h (ASM_SPEC): Likewise.
1925         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1926         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1927
1928 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1929
1930         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1931         * config/frv/frv.h (ASM_SPEC): Likewise.
1932         * config/m68k/linux.h (ASM_SPEC): Likewise.
1933         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1934         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1935         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1936         * config/sparc/linux.h (ASM_SPEC): Likewise.
1937         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1938         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1939
1940 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1941
1942         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1943         * config/frv/frv.h (LINK_SPEC): Likewise.
1944         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1945
1946 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1947
1948         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1949         * config/frv/frv.h (ASM_SPEC): Likewise.
1950         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1951         * config/m68k/linux.h (ASM_SPEC): Likewise.
1952         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1953         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1954         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1955         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1956         * config/sparc/linux.h (ASM_SPEC): Likewise.
1957         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1958         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1959         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1960
1961 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1962
1963         PR target/46997
1964         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1965         (*mux2): Ditto.
1966         (vec_extract_evenodd_help): Ditto.
1967         (vec_extract_evenv4hi): Ditto.
1968         (vec_extract_oddv4hi): Ditto.
1969         (vec_interleave_lowv2si): Ditto.
1970         (vec_interleave_highv2si): Ditto.
1971         (vec_extract_evenv2si): Ditto.
1972         (vec_extract_oddv2si: Ditto.
1973         (vec_pack_trunc_v2si): Ditto.
1974
1975 2011-01-22  Jan Hubicka  <jh@suse.cz>
1976
1977         PR target/47237
1978         * cgraph.h (cgraph_local_info): New field can_change_signature.
1979         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1980         signature can change.
1981         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1982         can change.
1983         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1984         (cgraph_function_versioning): We can not change signature of functions
1985         that don't allow that.
1986         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1987         (lto_input_node): Likewise.
1988         * ipa-inline.c (compute_inline_parameters): Compute
1989         local.can_change_signature.
1990         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1991         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1992         functions that can not change signature.
1993         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1994         init_cumulative_args): Do not use local calling conventions
1995         for functions that can not change signature.
1996
1997 2011-01-22  Jan Hubicka  <jh@suse.cz>
1998
1999         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2000
2001 2011-01-26  Richard Guenther  <rguenther@suse.de>
2002
2003         PR tree-optimization/47190
2004         * cgraphunit.c (process_common_attributes): New function.
2005         (process_function_and_variable_attributes): Use it.
2006
2007 2011-01-26  Richard Guenther  <rguenther@suse.de>
2008
2009         PR lto/47423
2010         * cgraphbuild.c (record_eh_tables): Record reference to personality
2011         function.
2012
2013 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2014
2015         PR debug/45454
2016         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2017         non-debug insns from moving up.
2018
2019 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2020
2021         PR target/40125
2022         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2023         t-dlldir{,-x} fragment for build and add it to tmake_file.
2024         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2025         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2026         * config/i386/t-dlldir: New file.
2027         (SHLIB_DLLDIR): Define.
2028         * config/i386/t-dlldir-x: New file.
2029         (SHLIB_DLLDIR): Define.
2030         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2031         (SHLIB_INSTALL): Use it.
2032
2033 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2034
2035         PR target/47246
2036         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2037         lower bound of the allowed Thumb-2 coprocessor load/store
2038         index range to -256. Add explaining comment.
2039
2040 2011-01-25  Ian Lance Taylor  <iant@google.com>
2041
2042         * godump.c (go_define): Improve lexing of macro expansion to only
2043         accept expressions which match Go spec.
2044
2045 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2046
2047         PR c++/43601
2048         * tree.c (handle_dll_attribute): Handle it.
2049         * doc/extend.texi (@item dllexport): Mention it.
2050         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2051
2052 2011-01-25  Ian Lance Taylor  <iant@google.com>
2053
2054         PR tree-optimization/26854
2055         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2056         (decl_jump_unsafe): Move higher in file, with no other change.
2057         (bind): Set has_jump_unsafe_decl if appropriate.
2058         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2059         (check_earlier_gotos): Likewise.
2060         (c_check_switch_jump_warnings): Likewise.
2061
2062 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2063
2064         * doc/invoke.texi (Warning Options): Add missing hyphen.
2065         (-fprofile-dir): Minor grammatical fixes.
2066         (-fbranch-probabilities): Likewise.
2067
2068 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2069
2070         PR debug/45136
2071         PR debug/45130
2072         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2073         debug insns.
2074         (no_real_insns_p, schedule_block, set_priorities): Drop special
2075         treatment of boundary debug insns.
2076         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2077         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2078         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2079         (BOUNDARY_DEBUG_INSN_P): Likewise.
2080         (SCHEDULE_DEBUG_INSN_P): Likewise.
2081         * sched-rgn.c (init_ready_list): Drop special treatment of
2082         boundary debug insns.
2083         * final.c (rest_of_clean-state): Clear notes' BB.
2084
2085 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2086
2087         * Makefile.in (LAMBDA_H): Removed.
2088         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2089         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2090         lambda-trans.o, and tree-loop-linear.o.
2091         (lto-symtab.o): Remove dependence on LAMBDA_H.
2092         (tree-loop-linear.o): Remove rule.
2093         (lambda-mat.o): Same.
2094         (lambda-trans.o): Same.
2095         (lambda-code.o): Same.
2096         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2097         (tree-vect-slp.o): Same.
2098         * hwint.h (gcd): Moved here.
2099         (least_common_multiple): Same.
2100         * lambda-code.c: Removed.
2101         * lambda-mat.c: Removed.
2102         * lambda-trans.c: Removed.
2103         * lambda.h: Removed.
2104         * tree-loop-linear.c: Removed.
2105         * lto-symtab.c: Do not include lambda.h.
2106         * omega.c (gcd): Removed.
2107         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2108         * tree-data-ref.c (print_lambda_vector): Moved here.
2109         (lambda_vector_copy): Same.
2110         (lambda_matrix_copy): Same.
2111         (lambda_matrix_id): Same.
2112         (lambda_vector_first_nz): Same.
2113         (lambda_matrix_row_add): Same.
2114         (lambda_matrix_row_exchange): Same.
2115         (lambda_vector_mult_const): Same.
2116         (lambda_vector_negate): Same.
2117         (lambda_matrix_row_negate): Same.
2118         (lambda_vector_equal): Same.
2119         (lambda_matrix_right_hermite): Same.
2120         * tree-data-ref.h: Do not include lambda.h.
2121         (lambda_vector): Moved here.
2122         (lambda_matrix): Same.
2123         (dependence_level): Same.
2124         (lambda_transform_legal_p): Removed declaration.
2125         (lambda_collect_parameters): Same.
2126         (lambda_compute_access_matrices): Same.
2127         (lambda_vector_gcd): Same.
2128         (lambda_vector_new): Same.
2129         (lambda_vector_clear): Same.
2130         (lambda_vector_lexico_pos): Same.
2131         (lambda_vector_zerop): Same.
2132         (lambda_matrix_new): Same.
2133         * tree-flow.h (least_common_multiple): Removed declaration.
2134         * tree-parloops.c (lambda_trans_matrix): Moved here.
2135         (LTM_MATRIX): Same.
2136         (LTM_ROWSIZE): Same.
2137         (LTM_COLSIZE): Same.
2138         (LTM_DENOMINATOR): Same.
2139         (lambda_trans_matrix_new): Same.
2140         (lambda_matrix_vector_mult): Same.
2141         (lambda_transform_legal_p): Same.
2142         * tree-pass.h (pass_linear_transform): Removed declaration.
2143         * tree-ssa-loop.c (tree_linear_transform): Removed.
2144         (gate_tree_linear_transform): Removed.
2145         (pass_linear_transform): Removed.
2146         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2147         flag_loop_interchange.
2148
2149 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2150
2151         PR tree-optimization/47265
2152         PR tree-optimization/47443
2153         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2154         if name still has some uses.
2155
2156 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2157
2158         PR tree-optimization/47382
2159         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2160         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2161
2162 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2163
2164         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2165         sjlj_except_unwind_info.
2166
2167 2011-01-25  Richard Guenther  <rguenther@suse.de>
2168
2169         PR tree-optimization/47426
2170         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2171         visible functions results escape.
2172
2173 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2174
2175         PR target/45701
2176         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2177         (arm_get_frame_offsets): Use it.
2178
2179 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2180             Jakub Jelinek  <jakub@redhat.com>
2181
2182         PR tree-optimization/47271
2183         * tree-if-conv.c (bb_postdominates_preds): New.
2184         (if_convertible_bb_p): Call bb_postdominates_preds.
2185         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2186         (predicate_scalar_phi): Call bb_postdominates_preds.
2187
2188 2011-01-25  Nick Clifton  <nickc@redhat.com>
2189
2190         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2191         * config/rx/rx.c (rx_function_value): Likewise.
2192         (rx_promote_function_mode): Likewise.
2193         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2194         in order to make it legitimate.
2195         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2196         make sure that the first operand is the same as the result register.
2197         (addsi3_unspec): Delete.
2198         (subdi3): Do not accept immediate operands.
2199         (subdi3_internal): Likewise.
2200
2201 2011-01-25  Jeff Law  <law@redhat.com>
2202
2203         PR rtl-optimization/37273
2204         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2205         handle them like argument loads from stack slots.  Do not double
2206         count memory for memory constants and argument loads from stack slots.
2207
2208 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR tree-optimization/47427
2211         PR tree-optimization/47428
2212         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2213         coalesce if the new root var would be TREE_READONLY.
2214
2215 2011-01-25  Richard Guenther  <rguenther@suse.de>
2216
2217         PR middle-end/47414
2218         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2219         correct type for TBAA.
2220
2221 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2222
2223         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2224         (close_phi_written_to_memory): Call for_each_index with
2225         dr_indices_valid_in_loop.
2226
2227 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2230         when it is initialized.
2231
2232 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2233
2234         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2235         call to graphite_find_data_references_in_stmt.
2236         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2237         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2238         call to graphite_find_data_references_in_stmt.
2239         (analyze_drs_in_stmts): Same.
2240         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2241         in which the scalar analysis of indices is performed.
2242         (create_data_ref): Same.  Update call to dr_analyze_indices.
2243         (find_data_references_in_stmt): Update call to create_data_ref.
2244         (graphite_find_data_references_in_stmt): Same.
2245         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2246         declaration.
2247         (create_data_ref): Same.
2248         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2249         call to create_data_ref.
2250
2251 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2252
2253         * graphite-sese-to-poly.c (build_poly_scop): Move
2254         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2255
2256 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2257
2258         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2259         VAR_DECL, PARM_DECL, and RESULT_DECL.
2260
2261 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2262
2263         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2264         in a reduction PBB.
2265         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2266         that have already been marked as PBB_IS_REDUCTION.
2267
2268 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2269
2270         * graphite-scop-detection.c (same_close_phi_node): New.
2271         (remove_duplicate_close_phi): New.
2272         (make_close_phi_nodes_unique): New.
2273         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2274
2275 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2276
2277         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2278         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2279         of both data references to be the same.
2280
2281 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2282
2283         * graphite-dependences.c (build_lexicographical_constraint): Remove
2284         the gdim parameter.
2285         (build_lexicographical_constraint): Adjust call to
2286         ppl_powerset_is_empty.
2287         (dependence_polyhedron): Same.
2288         (graphite_legal_transform_dr): Same.
2289         (graphite_carried_dependence_level_k): Same.
2290         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2291         parameter.
2292         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2293
2294 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2295
2296         * graphite-sese-to-poly.c
2297         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2298         (close_phi_written_to_memory): New.
2299         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2300         and unshare_expr.
2301
2302 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2303
2304         * doc/install.texi: Update the expected version number of PPL to 0.11.
2305         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2306         #if PPL_VERSION_MINOR < 11.
2307
2308 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2309
2310         * graphite-dependences.c: Include graphite-cloog-util.h.
2311         (new_poly_ddr): Inlined into dependence_polyhedron.
2312         (free_poly_ddr): Moved close by new_poly_ddr.
2313         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2314         Early return NULL when ppl_powerset_is_empty returns true.
2315         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2316         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2317         (graphite_legal_transform_dr): Call new_poly_ddr.
2318         (graphite_carried_dependence_level_k): Same.
2319         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2320         (dot_transformed_deps_stmt_1): Removed.
2321         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2322         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2323         (dot_deps_1): Call dot_deps_2.
2324         * Makefile.in (graphite-dependences.o): Add missing dependence on
2325         graphite-cloog-util.h.
2326
2327 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2328
2329         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2330         (build_lexicographical_constraint): Same.
2331         (dependence_polyhedron_1): Same.
2332         (graphite_legal_transform_dr): Same.
2333         (graphite_carried_dependence_level_k): Same.
2334         * graphite-ppl.c (ppl_powerset_is_empty): New.
2335         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2336         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2337
2338 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2341         the "a followed by b" relation and document it.
2342
2343 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2344
2345         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2346         iteration when the bag of constraints is empty.
2347
2348 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2349
2350         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2351
2352 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2353
2354         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2355         nest and two loop depths as parameters.
2356         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2357         lst_perfect_nestify.
2358
2359 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2360
2361         * graphite-dependences.c (print_pddr): Call
2362         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2363
2364 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2365
2366         * graphite-ppl.c (debug_gmp_value): New.
2367         * graphite-ppl.h (debug_gmp_value): Declared.
2368
2369 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2370
2371         * doc/install.texi: Document availability of cloog-0.16.
2372
2373 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2374
2375         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2376         invalid postdominance info.
2377
2378 2011-01-24  Jan Hubicka  <jh@suse.cz>
2379
2380         PR c/21659
2381         * doc/extend.texi (weak pragma): Drop claim that it must
2382         appear before definition.
2383         * varasm.c (merge_weak, declare_weak): Only sanity check
2384         that DECL is not output at a time it is declared weak.
2385
2386 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2387
2388         * machmode.def: Fixed comments.
2389
2390 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2391
2392         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2393
2394 2011-01-24  Paul Koning  <ni1d@arrl.net>
2395
2396         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2397         WORDS_BIG_ENDIAN.
2398
2399 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2400
2401         PR target/46519
2402         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2403         (block_info): Add scanned and prev.
2404         (move_or_delete_vzeroupper_2): Return if the basic block
2405         has been scanned and the upper 128bit state is unchanged
2406         from the last scan.
2407         (move_or_delete_vzeroupper_1): Return true if the exit
2408         state is changed.
2409         (move_or_delete_vzeroupper): Visit basic blocks using the
2410         work-list based algorithm based on vt_find_locations in
2411         var-tracking.c.
2412
2413         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2414
2415 2011-01-24  Nick Clifton  <nickc@redhat.com>
2416
2417         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2418         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2419         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2420         then define __v850e1__.
2421         * doc/invoke.texi: Document -mv850es.
2422
2423 2011-01-24  Richard Henderson  <rth@redhat.com>
2424
2425         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2426         compound unordered comparisons.
2427         * config/rx/rx.c (rx_split_fp_compare): Remove.
2428         * config/rx/rx-protos.h: Update.
2429         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2430         (cbranchsf4): Don't call rx_split_fp_compare.
2431         (*cbranchsf4): Use rx_split_cbranch.
2432         (*cmpsf): Don't accept "i" constraint.
2433         (*conditional_branch): Only valid after reload.
2434         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2435
2436 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2437
2438         PR target/47385
2439         * config/rs6000/altivec.md (vector constant splitters): Add
2440         support for creating vector single precision constants if -mvsx is
2441         used and we would create the constant using Altivec primitives.
2442
2443 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2444             Richard Sandiford  <rdsandiford@googlemail.com>
2445
2446         PR rtl-optimization/47166
2447         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2448         mechanism for PRE_MODIFY and POST_MODIFY.
2449         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2450         reloadreg.
2451
2452 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2453
2454         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2455
2456 2011-01-22  Jan Hubicka  <jh@suse.cz>
2457
2458         PR lto/47333
2459         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2460
2461 2011-01-22  Jan Hubicka  <jh@suse.cz>
2462
2463         PR tree-optimization/43884
2464         PR lto/44334
2465         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2466         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2467
2468 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2469
2470         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2471         * config/s390/s390.c (s390_register_move_cost,
2472         s390_memory_move_cost): New.
2473         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2474
2475 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2476
2477         PR middle-end/47401
2478         * except.c (sjlj_assign_call_site_values): Move setting the
2479         crtl->uses_eh_lsda flag to ...
2480         (sjlj_mark_call_sites): ... here.
2481         (sjlj_emit_function_enter): Support NULL dispatch label.
2482         (sjlj_build_landing_pads): In a function with no landing pads
2483         that still has must-not-throw regions, generate code to register
2484         a personality function with empty LSDA.
2485
2486 2011-01-21  Richard Henderson  <rth@redhat.com>
2487
2488         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2489
2490         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2491
2492         * compare-elim.c: New file.
2493         * Makefile.in (OBJS-common): Add it.
2494         (compare-elim.o): New.
2495         * common.opt (fcompare-elim): New.
2496         * opts.c (default_options_table): Add OPT_fcompare_elim.
2497         * tree-pass.h (pass_compare_elim_after_reload): New.
2498         * passes.c (init_optimization_passes): Add it.
2499         * recog.h: Protect against re-inclusion.
2500         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2501         * doc/invoke.texi (-fcompare-elim): Document it.
2502         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2503         * doc/tm.texi: Rebuild.
2504
2505 2011-01-22  Nick Clifton  <nickc@redhat.com>
2506
2507         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2508         rx_split_fp_compare.
2509
2510 2011-01-22  Nick Clifton  <nickc@redhat.com>
2511
2512         * config/rx/rx.md (UNSPEC_CONST): New.
2513         (deallocate_and_return): Wrap the amount popped off the stack in
2514         an UNSPEC_CONST in order to stop it being rejected by
2515         -mmax-constant-size.
2516         (pop_and_return): Add a "(return)" rtx.
2517         (call): Drop the immediate operand.
2518         (call_internal): Likewise.
2519         (call_value): Likewise.
2520         (call_value_internal): Likewise.
2521         (sibcall_internal): Likewise.
2522         (sibcall_value_internal): Likewise.
2523         (sibcall): Likewise.  Generate an explicit call using
2524         sibcall_internal.
2525         (sibcall_value): Likewise.
2526         (mov<>): FAIL if a constant operand is not legitimate.
2527         (addsi3_unpsec): New pattern.
2528
2529         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2530         (ok_for_max_constant): New function.
2531         (gen_safe_add): New function.
2532         (rx_expand_prologue): Use gen_safe_add.
2533         (rx_expand_epilogue): Likewise.
2534         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2535         UNSPEC CONSTs.
2536
2537 2011-01-21  Jeff Law  <law@redhat.com>
2538
2539         PR tree-optimization/47053
2540         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2541         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2542         statements are deleted.
2543         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2544         is nonempty, then purge dead edges and cleanup the CFG.
2545
2546 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2547
2548         PR debug/47402
2549         Temporarily revert:
2550         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2551         PR debug/47106
2552         * tree-dfa.c (create_var_ann): Mark variable as used.
2553
2554 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR middle-end/45566
2557         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2558         notes from other section in hot/cold partitioning even if
2559         last_action is -3.  Increment call_site_base.
2560
2561         PR rtl-optimization/47366
2562         * fwprop.c (forward_propagate_into): Return bool.  If
2563         any changes are made, -fnon-call-exceptions is used and
2564         REG_EH_REGION note is present, call purge_dead_edges
2565         and return true if it purged anything.
2566         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2567         any EH edges were purged.
2568
2569 2011-01-21  Jeff Law  <law@redhat.com>
2570
2571         PR rtl-optimization/41619
2572         * caller-save.c (setup_save_areas): Break out code to determine
2573         which hard regs are live across calls by examining the reload chains
2574         so that it is always used.
2575         Eliminate code which checked REG_N_CALLS_CROSSED.
2576
2577 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2578
2579         PR tree-optimization/47355
2580         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2581         NOP has non-debug uses beyond PHIs in new_bb.
2582
2583 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2584
2585         PR debug/47106
2586         * cfgexpand.c (account_used_vars_for_block): Only account vars
2587         that are annotated as used.
2588         (estimated_stack_frame_size): Don't set TREE_USED.
2589         * tree-dfa.c (create_var_ann): Mark variable as used.
2590
2591 2011-01-21  Richard Guenther  <rguenther@suse.de>
2592
2593         PR middle-end/47395
2594         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2595
2596 2011-01-21  Richard Guenther  <rguenther@suse.de>
2597
2598         PR tree-optimization/47365
2599         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2600         (vn_reference_lookup_pieces): Adjust.
2601         (vn_reference_lookup): Likewise.
2602         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2603         (vn_reference_lookup_3): Only look through kills if in
2604         VN_WALKREWRITE mode.
2605         (vn_reference_lookup_pieces): Adjust.
2606         (vn_reference_lookup): Likewise.
2607         (visit_reference_op_load): Likewise.
2608         (visit_reference_op_store): Likewise.
2609         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2610         (compute_avail): Likewise.
2611         (eliminate): Likewise.
2612
2613 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2614
2615         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2616         DECL_IGNORED_P non-reg vars if they are used.
2617
2618         PR tree-optimization/47391
2619         * varpool.c (const_value_known_p): Return false if
2620         decl is volatile.
2621
2622 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2623
2624         PR bootstrap/47215
2625         * config/i386/i386.c (ix86_local_alignment): Handle
2626         case for va_list_type_node is nil.
2627         (ix86_canonical_va_list_type): Likewise.
2628
2629 2011-01-21  Alan Modra  <amodra@gmail.com>
2630
2631         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2632         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2633
2634 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2635
2636         * config/arm/arm.md (define_attr type): Rename f_load
2637         and f_store to f_fpa_load and f_fpa_store. Update.
2638         (write_conflict): Deal with rename fallout.
2639         (*push_fp_multi): Likewise.
2640         * config/arm/fpa.md (f_load): Use f_fpa_load.
2641         (f_store): Use f_fpa_store.
2642         (*movsf_fpa): Likewise.
2643         (*movdf_fpa): Likewise.
2644         (*movxf_fpa): Likewise.
2645         (*thumb2_movsf_fpa): Likewise.
2646         (*thumb2_movdf_fpa): Likewise.
2647         (*thumb2_movxf_fpa): Likewise.
2648         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2649         f_loadd and f_stored.
2650         (*thumb2_movdi_vfp): Likewise.
2651         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2652         (*thumb2_movsi_vfp): Likewise.
2653         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2654         Use f_loads instead of f_load.
2655         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2656
2657 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2658
2659         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2660         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2661         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2662         (xtensa_mode_dependent_address_p): New function.
2663         (constantpool_address_p): Make static. Change return type to bool.
2664         Change argument type to const_rtx. Use CONST_INT_P predicate.
2665
2666 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2667
2668         PR debug/46583
2669         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2670
2671 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR debug/47283
2674         * cfgexpand.c (expand_debug_expr): Instead of generating
2675         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2676         etc. handling.
2677
2678 2011-01-20  Richard Guenther  <rguenther@suse.de>
2679
2680         PR middle-end/47370
2681         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2682         the pointer operand of MEM_REFs.
2683
2684 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2685
2686         PR tree-optimization/46130
2687         * ipa-split.c (consider_split): If return_bb contains non-virtual
2688         PHIs other than for retval or if split_function would not adjust it,
2689         refuse to split.
2690
2691 2011-01-20  Richard Guenther  <rguenther@suse.de>
2692
2693         PR tree-optimization/47167
2694         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2695         Revert previous change, only avoid enumeral type changes.
2696
2697 2011-01-19  Mike Stump  <mikestump@comcast.net>
2698
2699         * doc/tm.texi.in (BRANCH_COST): Englishify.
2700         * doc/tm.texi (BRANCH_COST): Likewise.
2701
2702 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2703
2704         PR c++/47291
2705         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2706         (gen_scheduled_generic_parms_dies): New functions.
2707         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2708         generation for the end of CU compilation.
2709         (dwarf2out_finish): Generate template parameters DIEs here.
2710
2711 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2712
2713         PR debug/46240
2714         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2715         debug bind stmt on merge edges.
2716
2717 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2718
2719         PR debug/47079
2720         PR debug/46724
2721         * function.c (instantiate_expr): Instantiate incoming rtl of
2722         implicit arguments, and recurse on VALUE_EXPRs.
2723         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2724         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2725
2726 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2727
2728         * c-parser.c (c_parser_for_statement): Initialize
2729         collection_expression.
2730
2731 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2732
2733         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2734
2735 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2736
2737         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2738         (LINK_SHLIB_SPEC): Don't use %(link_path).
2739         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2740
2741 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2742
2743         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2744         (NO_SHARED_LIB_SUPPORT): Remove.
2745         (LINK_SHLIB_SPEC): Remove one conditional definition.
2746
2747 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2748
2749         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2750         %{call_shared}.
2751         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2752         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2753         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2754         %{call_shared} and conditionals on these options not being passed.
2755         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2756         %{call_shared}.
2757
2758 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2759
2760         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2761         simplify.
2762
2763         * ipa-split.c: Spelling fixes.
2764
2765 2011-01-19  Richard Henderson  <rth@redhat.com>
2766
2767         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2768         (*mulsi3): Likewise.
2769
2770         * longlong.h [__mn10300__] (count_leading_zeros): New.
2771         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2772         [__mn10300__] (add_ssaaaa, subddmmss): New.
2773         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2774         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2775
2776 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2777
2778         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2779
2780 2011-01-19  Richard Henderson  <rth@redhat.com>
2781
2782         * config/mn10300/mn10300.md (addsi3_flags): New.
2783         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2784         (subsi3_flags, subc_internal, subdi3): New.
2785         (subdi3_internal, *subdi3_degenerate): New.
2786         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2787
2788         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2789         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2790         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2791         * config/mn10300/mn10300-protos.h: Update.
2792         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2793         (return_ret): Likewise.  Rename from return_internal_regs.
2794         (return_internal): Remove.
2795
2796         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2797         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2798         (mn10300_legitimate_constant_p): Likewise.
2799         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2800         (mn10300_frame_size): New.
2801         (mn10300_expand_prologue): Use it.
2802         (mn10300_expand_epilogue): Likewise.
2803         (mn10300_initial_offset): Likewise.
2804         * config/mn10300/mn10300-protos.h: Update.
2805         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2806         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2807         (prologue, epilogue, return_internal): Tidy output code.
2808         (mn10300_store_multiple_operation, return): Likewise.
2809         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2810         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2811         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2812         (load_pic, am33_load_pic): New.
2813         (mn10300_load_pic0, mn10300_load_pic1): New.
2814
2815         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2816         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2817         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2818         (cc_flags_for_mode, cc_flags_for_code): New.
2819         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2820         overflow flag is not valid.  Validate that the flags we need
2821         for the comparison are valid.
2822         (mn10300_output_cmp): Remove.
2823         (mn10300_output_add): New.
2824         (mn10300_select_cc_mode): Use cc_flags_for_code.
2825         (mn10300_split_cbranch): New.
2826         (mn10300_match_ccmode): New.
2827         (mn10300_split_and_operand_count): New.
2828         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2829         to the function.
2830         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2831         (addsi3): ... here.  Use mn10300_output_add.
2832         (*addsi3_flags): New.
2833         (*am33_subsi3, *mn10300_subsi3): Merge...
2834         (subsi3): ... here.  Use attribute isa.
2835         (*subsi3_flags): New.
2836         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2837         when possible.
2838         (*am33_andsi3, *mn10300_andsi3): Merge...
2839         (andsi3): ... here.
2840         (*andsi3_flags): New.
2841         (andsi3 splitters): New.
2842         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2843         (iorsi3): ... here.
2844         (*iorsi3_flags): New.
2845         (*am33_xorsi3, *mn10300_xorsi3): Merge...
2846         (xorsi3): ... here.
2847         (*xorsi3_flags): New.
2848         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2849         (one_cmplsi2): ... here.
2850         (*one_cmplsi2_flags): New.
2851         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
2852         instead of "dax" in constraints.  Use mn10300_split_cbranch.
2853         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
2854         use matching constraints to eliminate a self-comparison.
2855         (*integer_conditional_branch): Rename from integer_conditional_branch.
2856         Use int_mode_flags to match CC_REG.
2857         (*cbranchsi4_btst, *btstsi): New.
2858         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
2859         mn10300_split_cbranch.
2860         (*am33_cmpsf): Rename from am33_cmpsf.
2861         (*float_conditional_branch): Rename from float_conditional_branch.
2862         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
2863         (zero_extendqisi2): ... here.
2864         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
2865         (zero_extendhisi2): ... here.
2866         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
2867         (extendqisi2): ... here.
2868         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
2869         (extendhisi2): ... here.
2870         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
2871         (ashlsi3): ... here.
2872         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
2873         (lshrsi3): ... here.
2874         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
2875         (ashrsi3): ... here.
2876         (consecutive add peephole): Remove.
2877         * config/mn10300/predicates.md (label_ref_operand): New.
2878         (int_mode_flags): New.
2879         (CCZN_comparison_operator): New.
2880
2881         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2882         (throughput_42_latency_43): New reservation.
2883         (mulsidi3, umulsidi3): New expanders.
2884         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
2885         the MDR register to allocation; separately allocate the low and
2886         high parts of the DImode result.
2887         (umulsidi3_internal): Similarly.
2888         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2889         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
2890         (udivsi3, umodsi3): Remove.
2891         (udivmodsi4, divmodsi4): New expanders.
2892         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
2893         (*divmodsi4): Simiarly.
2894         (ext_internal): New.
2895
2896         * config/mn10300/constraints.md ("z"): New constraint.
2897         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2898         (FIXED_REGISTERS): Don't fix MDR.
2899         (CALL_USED_REGSITERS): Reformat nicely.
2900         (REG_ALLOC_ORDER): Add MDR.
2901         (enum regclass): Add MDR_REGS.
2902         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2903         (IRA_COVER_CLASSES): Add MDR_REGS.
2904         (REGNO_REG_CLASS): Handle MDR_REG.
2905         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2906         (mn10300_register_move_cost): Likewise.
2907         * config/mn10300/mn10300.md (MDR_REG): New.
2908         (*movsi_internal): Handle moves to/from MDR_REGS.
2909
2910         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2911         POST_MODIFY.
2912         (mn10300_secondary_reload): Tidy combination reload classes.
2913         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2914         addresses for AM33.  Allow symbolic offsets for reg+imm.
2915         (mn10300_regno_in_class_p): New.
2916         (mn10300_legitimize_reload_address): New.
2917         * config/mn10300/mn10300.h (enum reg_class): Remove
2918         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2919         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
2920         SP_OR_GENERAL_REGS.
2921         (REG_CLASS_NAMES): Update to match.
2922         (REG_CLASS_CONTENTS): Likewise.
2923         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2924         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2925         (REGNO_IN_RANGE_P): Remove.
2926         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2927         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2928         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2929         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2930         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2931         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2932         (REGNO_GENERAL_P): New.
2933         (HAVE_POST_MODIFY_DISP): New.
2934         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2935         (LEGITIMIZE_RELOAD_ADDRESS): New.
2936         * config/mn10300/mn10300-protos.h: Update.
2937
2938         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2939         DATA_REGS for AM33 stack-pointer destination.
2940         (mn10300_preferred_output_reload_class): Likewise.
2941         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2942         into a form appropriate for ...
2943         (TARGET_SECONDARY_RELOAD): New.
2944         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2945         * config/mn10300/mn10300-protos.h: Update.
2946         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2947         reload_insi; use the "A" constraint for the scratch; handle AM33
2948         moves of sp to non-address registers.
2949
2950         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2951         (*movqi_internal): ... here.
2952         (*am33_movhi, *mn10300_movhi): Merge into...
2953         (*movhi_internal): ... here.
2954         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2955         as the source/destination of moves from/to SP.
2956         (movsf): Only allow for AM33-2.
2957         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2958         any integer constant constraint.  Only allow for AM33-2.  Tidy
2959         all of the alternative outputs.
2960         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2961         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2962         for MN103.
2963         (udivsi3, umodsi3): New patterns for MN103 only.
2964
2965 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2966
2967         * doc/tm.texi.in: Spell out that a lack of register class unions
2968         can lead to ICEs.
2969         * doc/tm.texi: Regenerate.
2970
2971 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2972
2973         PR rtl-optimization/47337
2974         * dce.c (check_argument_store): New function.
2975         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2976
2977         PR tree-optimization/47290
2978         * tree-eh.c (infinite_empty_loop_p): New function.
2979         (cleanup_empty_eh): Use it.
2980
2981 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2982
2983         PR target/46997
2984         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2985         (a64_expand_widen_sum): Ditto.
2986         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2987         (vec_extract_evenodd_help): Ditto.
2988         (vec_extract_evenv4hi): Ditto.
2989         (vec_extract_oddv4hi): Ditto.
2990         (vec_extract_evenv2si): Ditto.
2991         (vec_extract_oddv2si): Ditto.
2992         (vec_extract_evenv2sf): Ditto.
2993         (vec_extract_oddv2sf): Ditto.
2994         (vec_pack_trunc_v4hi: Ditto.
2995         (vec_pack_trunc_v2si): Ditto.
2996         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2997         (vec_interleave_highv8qi): Ditto.
2998         (mix1_r): Ditto.
2999         (vec_extract_oddv8qi): Ditto.
3000         (vec_interleave_lowv4hi): Ditto.
3001         (vec_interleave_highv4hi): Ditto.
3002         (vec_interleave_lowv2si): Ditto.
3003         (vec_interleave_highv2si): Ditto.
3004
3005 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3006
3007         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3008         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3009         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3010         (pa_c_mode_for_suffix): New.
3011         (TARGET_EXPAND_BUILTIN): Define.
3012         (TARGET_C_MODE_FOR_SUFFIX): Define.
3013         (pa_builtins): Define.
3014         (pa_init_builtins): Register __float128 type and init new support
3015         builtins.
3016         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3017         * config/pa/quadlib.c (_U_Qfcopysign): New.
3018
3019 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3020
3021         PR middle-end/46894
3022         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3023         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3024         are defined.
3025
3026 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3027
3028         PR tree-optimization/47179
3029         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3030         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3031
3032 2011-01-18  Richard Guenther  <rguenther@suse.de>
3033
3034         PR rtl-optimization/47216
3035         * emit-rtl.c: Include tree-flow.h.
3036         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3037         of replicating it with different semantics.
3038         * Makefile.in (emit-rtl.o): Adjust.
3039
3040 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3041
3042         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3043         (cortex_a9_dp): Handle neon types correctly.
3044
3045 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3046
3047         PR rtl-optimization/47299
3048         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3049         subtarget.  Use normal multiplication if both operands are constants.
3050         * expmed.c (expand_widening_mult): Don't try to optimize constant
3051         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3052         before using it.
3053
3054 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3055
3056         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3057         spacing after 'e.g.', typos, comma, hyphenation.
3058
3059 2011-01-17  Richard Henderson  <rth@redhat.com>
3060
3061         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3062         (rx_restricted_mem_operand): New.
3063         (rx_shift_operand): Use register_operand.
3064         (rx_source_operand, rx_compare_operand): Likewise.
3065         * config/rx/rx.md (addsi3_flags): New expander.
3066         (adddi3): Rewrite as expander.
3067         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3068         (subsi3_flags): New expander.
3069         (subdi3): Rewrite as expander.
3070         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3071
3072         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3073         (rx_init_builtins): Remove sat builtin.
3074         (rx_expand_builtin): Likewise.
3075         * config/rx/rx.md (ssaddsi3): New.
3076         (*sat): Rename from sat.  Represent the CC_REG input.
3077
3078         * config/rx/predicates.md (rshift_operator): New.
3079         * config/rx/rx.c (rx_expand_insv): Remove.
3080         * config/rx/rx-protos.h: Update.
3081         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3082         operand to the canonical position.
3083         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3084         (*bitclr, *bitclr_in_memory): Similarly.
3085         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3086         (insv): Retain the zero_extract in the expansion.
3087
3088         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3089         (bswaphi2, bitinvert, revw): Likewise.
3090
3091         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3092         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3093         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3094         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3095         (bitset, bitset_in_memory): Likewise.
3096         (bitinvert, bitinvert_in_memory): Likewise.
3097         (bitclr, bitclr_in_memory): Likewise.
3098         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3099         (rx_strend, rx_cmpstrn): Likewise.
3100         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3101         (bitop peep2 patterns): Remove.
3102
3103         * config/rx/rx.c (rx_match_ccmode): New.
3104         * config/rx/rx-protos.h: Update.
3105         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3106         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3107         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3108         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3109         (fix_truncsfsi2, floatsisf2): Likewise.
3110         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3111         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
3112         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
3113         (*subsi3_flags, *xorsi3_flags): New.
3114
3115         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
3116
3117         * config/rx/rx.c (rx_print_operand): Remove workaround for
3118         unsplit comparison operations.
3119
3120         * config/rx/rx.md (movsicc): Split after reload.
3121         (*movsicc): Merge *movsieq and *movsine via match_operator.
3122         (*stcc): New pattern.
3123
3124         * config/rx/rx.c (rx_float_compare_mode): Remove.
3125         * config/rx/rx.h (rx_float_compare_mode): Remove.
3126         * config/rx/rx.md (cstoresi4): Split after reload.
3127         (*sccc): New pattern.
3128
3129         * config/rx/predicates.md (label_ref_operand): New.
3130         (rx_z_comparison_operator): New.
3131         (rx_zs_comparison_operator): New.
3132         (rx_fp_comparison_operator): New.
3133         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
3134         Validate that the flags are set properly for the comparison.
3135         (rx_gen_cond_branch_template): Remove.
3136         (rx_cc_modes_compatible): Remove.
3137         (mode_from_flags): New.
3138         (flags_from_code): Rename from flags_needed_for_conditional.
3139         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
3140         (rx_select_cc_mode): Likewise.
3141         (rx_split_fp_compare): New.
3142         (rx_split_cbranch): New.
3143         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
3144         (*cbranchsi4): Use match_operator and rx_split_cbranch.
3145         (*cbranchsf4): Similarly.
3146         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
3147         match_operator and rx_split_cbranch.
3148         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
3149         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
3150         (*cmpsi): Rename from cmpsi.
3151         (*tstsi): Rename from tstsi.
3152         (*cmpsf): Rename from cmpsf; use CC_Fmode.
3153         (*conditional_branch): Rename from conditional_branch.
3154         (*reveresed_conditional_branch): Remove.
3155         (b<code>): Remove expander.
3156         * config/rx/rx-protos.h: Update.
3157
3158         * config/rx/rx.c (rx_compare_redundant): Remove.
3159         * config/rx/rx.md (cmpsi): Don't use it.
3160         * config/rx/rx-protos.h: Update.
3161
3162         * config/rx/rx-modes.def (CC_F): New mode.
3163         * config/rx/rx.c (rx_select_cc_mode): New.
3164         * config/rx/rx.h (SELECT_CC_MODE): Use it.
3165         * config/rx/rx-protos.h: Update.
3166
3167 2011-01-17  Richard Henderson  <rth@redhat.com>
3168
3169         * except.c (dump_eh_tree): Fix stray ; after for statement.
3170
3171 2011-01-17  Richard Guenther  <rguenther@suse.de>
3172
3173         PR tree-optimization/47313
3174         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
3175         handling before copying the body.  Properly deal with
3176         by-reference result in SSA form.
3177
3178 2011-01-17  Ian Lance Taylor  <iant@google.com>
3179
3180         PR target/47219
3181         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
3182         (struct_value_alias_set): Don't define.
3183         (sparc_option_override): Don't set sparc_sr_alias_set and
3184         struct_value_alias_set.
3185         (save_or_restore_regs): Use gen_frame_mem rather than calling
3186         set_mem_alias_set.
3187         (sparc_struct_value_rtx): Likewise.
3188
3189 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3190
3191         PR target/47318
3192         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
3193         __m128i.
3194         (_mm_maskstore_pd): Likewise.
3195         (_mm_maskload_ps): Likewise.
3196         (_mm_maskstore_ps): Likewise.
3197         (_mm256_maskload_pd): Change mask to __m256i.
3198         (_mm256_maskstore_pd): Likewise.
3199         (_mm256_maskload_ps): Likewise.
3200         (_mm256_maskstore_ps): Likewise.
3201
3202         * config/i386/i386-builtin-types.def: Updated.
3203         (ix86_expand_special_args_builtin): Likewise.
3204
3205         * config/i386/i386.c (bdesc_special_args): Update
3206         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
3207         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
3208         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
3209         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
3210
3211         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
3212         Use <avxpermvecmode> on mask register.
3213         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
3214
3215 2011-01-17  Olivier Hainque  <hainque@adacore.com>
3216             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
3217             Eric Botcazou  <ebotcazou@adacore.com>
3218
3219         PR target/46655
3220         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
3221         if <= USHRT_MAX in 32-bit mode.
3222
3223 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3224
3225         * doc/install.texi (Configuration, Specific): Wrap long
3226         lines in examples.  Allow line wrapping in long options
3227         and URLs where beneficial for PDF output.
3228
3229 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
3230
3231         * config/mips/mips.c (mips_classify_symbol): Don't return
3232         SYMBOL_PC_RELATIVE for nonlocal labels.
3233
3234 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
3235
3236         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
3237
3238 2011-01-15  Jan Hubicka  <jh@suse.cz>
3239
3240         PR tree-optimization/47276
3241         * ipa.c (function_and_variable_visibility): Do not try to mark alias
3242         declarations as needed.
3243
3244 2011-01-15  Martin Jambor  <mjambor@suse.cz>
3245
3246         * common.opt (fdevirtualize): New flag.
3247         * doc/invoke.texi (Option Summary): Document it.
3248         * opts.c (default_options_table): Add devirtualize flag.
3249         * ipa-prop.c (detect_type_change): Return immediately if
3250         devirtualize flag is not set.
3251         (detect_type_change_ssa): Likewise.
3252         (compute_known_type_jump_func): Likewise.
3253         (ipa_analyze_virtual_call_uses): Likewise.
3254
3255 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3256
3257         PR tree-optimization/45934
3258         PR tree-optimization/46302
3259         * ipa-prop.c (type_change_info): New type.
3260         (stmt_may_be_vtbl_ptr_store): New function.
3261         (check_stmt_for_type_change): Likewise.
3262         (detect_type_change): Likewise.
3263         (detect_type_change_ssa): Likewise.
3264         (compute_complex_assign_jump_func): Check for dynamic type change.
3265         (compute_complex_ancestor_jump_func): Likewise.
3266         (compute_known_type_jump_func): Likewise.
3267         (compute_scalar_jump_functions): Likewise.
3268         (ipa_analyze_virtual_call_uses): Likewise.
3269         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
3270
3271 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3272
3273         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
3274         * config/i386/i386.opt (msse5): New Alias.
3275
3276 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3277
3278         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
3279         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3280         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3281         * config/sparc/sparc.h (CC1_SPEC): Likewise.
3282
3283 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3284
3285         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
3286         -mcpu options.
3287         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3288         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3289         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
3290         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
3291         Likewise.
3292         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
3293
3294 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3295
3296         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
3297
3298 2011-01-14  Mike Stump  <mikestump@comcast.net>
3299
3300         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
3301         * config/fr30/fr30.md: Likweise
3302         (movsi_push): Likewise.
3303         (movsi_pop): Likewise.
3304         (enter_func): Likewise.
3305         * config/moxie/moxie.md (movsi_push): Likewise.
3306         (movsi_pop): Likewise.
3307
3308 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3309
3310         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
3311         %{no_archive} %{exact_version}.
3312         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
3313         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
3314         %{no_archive} %{exact_version}.
3315         * config/mips/openbsd.h (LINK_SPEC): Likewise.
3316         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
3317         * config/mips/vxworks.h: Likewise.
3318
3319 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3320
3321         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
3322
3323 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3324
3325         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
3326         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
3327
3328 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3329
3330         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
3331         -nodefaultlib.
3332
3333 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3334
3335         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
3336         for mcpu not cpu.
3337         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
3338         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
3339         not cpu.
3340         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
3341         Don't handle -shlib.
3342
3343 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3344
3345         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
3346         (CC1_SPEC): Don't handle -profile.
3347
3348 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3349
3350         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
3351         * config/mips/mips.h (CC1_SPEC): Likewise.
3352
3353 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3354
3355         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
3356         * config/mips/mips.h (CC1_SPEC): Likewise.
3357
3358 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3359
3360         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
3361         * config/m32r/linux.h (LINK_SPEC): Likewise.
3362         * config/mips/linux.h (LINK_SPEC): Likewise.
3363         * config/mips/linux64.h (LINK_SPEC): Likewise.
3364         * config/sparc/linux.h (LINK_SPEC): Likewise.
3365         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3366         LINK_SPEC): Likewise.
3367         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3368
3369 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3370
3371         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3372         %{version:-v}.
3373         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3374
3375 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3376
3377         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3378         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3379
3380 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3381
3382         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3383
3384 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3385
3386         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3387         supports -Bstatic/-Bdynamic.
3388         * configure: Regenerate.
3389
3390 2011-01-14  Jan Hubicka  <jh@suse.cz>
3391             Jack Howarth  <howarth@bromo.med.uc.edu>
3392
3393         PR target/46037
3394         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3395         when checking debug_info_level. Test write_symbols instead of
3396         debug_hooks->var_location when setting flag_var_tracking_uninit.
3397
3398 2011-01-14  Richard Guenther  <rguenther@suse.de>
3399
3400         PR tree-optimization/47179
3401         * target.def (ref_may_alias_errno): New target hook.
3402         * targhooks.h (default_ref_may_alias_errno): Declare.
3403         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3404         (default_ref_may_alias_errno): New function.
3405         * target.h (struct ao_ref_s): Declare.
3406         * tree-ssa-alias.c: Include target.h.
3407         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3408         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3409         (targhooks.o): Likewise.
3410         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3411         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3412
3413 2011-01-14  Richard Guenther  <rguenther@suse.de>
3414
3415         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3416
3417 2011-01-14  Richard Guenther  <rguenther@suse.de>
3418
3419         PR tree-optimization/47280
3420         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3421         return CFG changes.
3422         (tree_ssa_forward_propagate_single_use_vars): Deal with
3423         CFG changes from associate_plusminus.
3424
3425 2011-01-14  Richard Guenther  <rguenther@suse.de>
3426
3427         PR middle-end/47281
3428         Revert
3429         2011-01-11  Richard Guenther  <rguenther@suse.de>
3430
3431         PR tree-optimization/46076
3432         * tree-ssa.c (useless_type_conversion_p): Conversions from
3433         unprototyped to empty argument list function types are useless.
3434
3435 2011-01-14  Richard Guenther  <rguenther@suse.de>
3436
3437         PR tree-optimization/47286
3438         * tree-ssa-structalias.c (new_var_info): Register variables are global.
3439
3440 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3441
3442         PR middle-end/46823
3443         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
3444
3445 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
3446
3447         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
3448         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3449         * config/xtensa/xtensa.c (xtensa_libcall_value,
3450         xtensa_function_value_regno_p): New functions.
3451         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
3452
3453 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
3454
3455         PR c++/47213
3456         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
3457         PE specific hook.
3458         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
3459         New function prototype.
3460         * config/i386/winnt.c (i386_pe_assemble_visibility):
3461         Warn only if attribute was specified by user.
3462
3463 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3464
3465         PR target/47251
3466         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
3467         floating point.
3468         (floatunsdidf2_fcfidu): Ditto.
3469
3470 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3471
3472         * config/s390/s390.c (print_operand_address): Replace 'error' with
3473         'output_operand_lossage'.
3474         (print_operand): Likewise.
3475
3476 2011-01-13  Jeff Law  <law@redhat.com>
3477
3478         PR rtl-optimization/39077
3479         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
3480         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
3481         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
3482         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
3483         * gcse.c (prune_insertions_deletions): New function.
3484         (compute_pre_data): Use it.
3485
3486 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
3487
3488         PR debug/PR46973
3489         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3490         static function.
3491         (prune_unused_types_mark): Use it.
3492
3493 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
3494
3495         PR rtl-optimization/45352
3496         * sel-sched.c: Update copyright years.
3497         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3498         in the advancing loop when we have issued issue_rate insns.
3499
3500 2011-01-12  Richard Henderson  <rth@redhat.com>
3501
3502         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3503         (TARGET_MD_ASM_CLOBBERS): New.
3504
3505         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3506         (TARGET_DELEGITIMIZE_ADDRESS): New.
3507
3508         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3509         (clzsi2, *bsch): New patterns.
3510
3511         * config/mn10300/mn10300.md (INT): New mode iterator.
3512         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3513
3514         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3515         flag_split_wide_types.
3516
3517         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3518         (mn10300_trampoline_init): Rewrite without a template, an immediate
3519         load and a direct branch.
3520         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3521
3522 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3523
3524         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3525         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3526         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3527         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3528
3529 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3530
3531         PR debug/47209
3532         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3533         of type.
3534
3535 2011-01-12  Jan Hubicka  <jh@suse.cz>
3536
3537         PR driver/47244
3538         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3539         (PLUGIN_COND_CLOSE): New macro.
3540         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3541
3542 2011-01-12  Richard Guenther  <rguenther@suse.de>
3543
3544         PR lto/47259
3545         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3546         register variables in a MEM_REF.
3547
3548 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3549
3550         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3551         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3552         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3553         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3554         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3555         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3556         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3557         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3558         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3559         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3560         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3561         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3562         * config/gnu-user.h: New.  Copied from linux.h.
3563         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3564         GNU_USER_TARGET_STARTFILE_SPEC.
3565         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3566         GNU_USER_TARGET_ENDFILE_SPEC.
3567         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3568         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3569         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3570         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3571         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3572         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3573         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3574         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3575         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3576         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3577         * config/arm/linux-eabi.h (CC1_SPEC): Use
3578         GNU_USER_TARGET_CC1_SPEC.
3579         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3580         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3581         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3582         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3583         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3584         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3585         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3586         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3587
3588 2011-01-12  Richard Guenther  <rguenther@suse.de>
3589
3590         PR other/46946
3591         * doc/invoke.texi (ffast-math): Document it is turned on
3592         with -Ofast.
3593
3594 2011-01-12  Jan Hubicka  <jh@suse.cz>
3595
3596         PR tree-optimization/47233
3597         * opts.c (common_handle_option): Disable ipa-reference with profile
3598         feedback.
3599
3600 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3601
3602         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3603         error message.
3604
3605 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3606
3607         * c-parser.c (c_lex_one_token): Updated and reindented some
3608         comments.  No changes in code.
3609
3610 2011-01-11  Ian Lance Taylor  <iant@google.com>
3611
3612         * godump.c (go_output_var): Don't output the variable if there is
3613         already a type with the same name.
3614
3615 2011-01-11  Ian Lance Taylor  <iant@google.com>
3616
3617         * godump.c (go_format_type): Don't generate float80.
3618
3619 2011-01-11  Richard Henderson  <rth@redhat.com>
3620
3621         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3622         declaration.  Rewrite for both speed and size.
3623         (mn10300_address_cost_1): Remove.
3624         (mn10300_register_move_cost): New.
3625         (mn10300_memory_move_cost): New.
3626         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3627         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3628         extensions, shifts, BSWAP, CLZ.
3629         (mn10300_wide_const_load_uses_clr): Remove.
3630         (TARGET_REGISTER_MOVE_COST): New.
3631         (TARGET_MEMORY_MOVE_COST): New.
3632         * config/mn10300/mn10300-protos.h: Update.
3633         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3634
3635         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3636         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3637         * config/mn10300/mn10300-protos.h: Update.
3638         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3639         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3640         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3641         (*test_int_bitfield, *test_byte_bitfield): Remove.
3642         (*bit_test, *subreg_bit_test): Remove.
3643         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3644
3645         * config/mn10300/constraints.md ("c"): Rename from "A".
3646         ("A", "D"): New constraint letters.
3647         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3648         (fmssf4, fnmasf4, fnmssf4): Likewise.
3649
3650         * config/mn10300/mn10300.md (isa): New attribute.
3651         (enabled): New attribute.
3652
3653         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3654         (abssf2, negsf2): Define only for hardware fp.
3655         (sqrtsf2): Reformat.
3656         (addsf3, subsf3, mulsf3): Merge expander and insn.
3657
3658         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3659         (DEBUGGER_AUTO_OFFSET): Remove.
3660         (DEBUGGER_ARG_OFFSET): Remove.
3661
3662         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3663         Emit register stores with the same offsets as the hardware.
3664         (mn10300_store_multiple_operation): Don't check that the register
3665         save offsets are monotonic.
3666         * config/mn10300/mn10300-protos.h: Update.
3667
3668         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3669
3670         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3671         in terms of the value on the stack, not the MDR register.
3672
3673 2011-01-11  Jan Hubicka  <jh@suse.cz>
3674
3675         PR lto/45721
3676         PR lto/45375
3677         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3678         (symbol_alias_set_destroy, symbol_alias_set_contains,
3679         propagate_aliases_backward): Declare.
3680         * lto-streamer-out.c (struct sets): New sturcture.
3681         (trivally_defined_alias): New function.
3682         (output_alias_pair_p): Rewrite.
3683         (output_unreferenced_globals): Fix output of alias pairs.
3684         (produce_symtab): Likewise.
3685         * ipa.c (function_and_variable_visibility): Set weak alias destination
3686         as needed in lto.
3687         * varasm.c (symbol_alias_set_t): Remove.
3688         (symbol_alias_set_destroy): Export.
3689         (propagate_aliases_forward, propagate_aliases_backward): New functions
3690         based on ...
3691         (compute_visible_aliases): ... this one; remove.
3692         (trivially_visible_alias): New
3693         (trivially_defined_alias): New.
3694         (remove_unreachable_alias_pairs): Rewrite.
3695         (finish_aliases_1): Reorganize code checking if alias is defined.
3696         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3697         in LTO mode.
3698
3699 2011-01-11  Richard Guenther  <rguenther@suse.de>
3700
3701         PR tree-optimization/46076
3702         * tree-ssa.c (useless_type_conversion_p): Conversions from
3703         unprototyped to empty argument list function types are useless.
3704
3705 2011-01-11  Richard Guenther  <rguenther@suse.de>
3706
3707         PR middle-end/45235
3708         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3709         volatile MEMs as MEM_READONLY_P.
3710
3711 2011-01-11  Richard Guenther  <rguenther@suse.de>
3712
3713         PR tree-optimization/47239
3714         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3715
3716 2011-01-11  Jeff Law  <law@redhat.com>
3717
3718         PR tree-optimization/47086
3719         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3720         IVs from statements that might throw.
3721
3722 2011-01-10  Jan Hubicka  <jh@suse.cz>
3723
3724         PR lto/45375
3725         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3726
3727 2011-01-10  Jan Hubicka  <jh@suse.cz>
3728
3729         PR lto/45375
3730         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3731         when correcting profile.
3732
3733 2011-01-10  Jan Hubicka  <jh@suse.cz>
3734
3735         PR lto/46083
3736         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3737         DECL_FINI_PRIORITY.
3738         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3739         Restore DECL_FINI_PRIORITY.
3740
3741 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3742
3743         * doc/gimple.texi: Fix quoting of multi-word return values in
3744         @deftypefn statements.  Ensure presence of return value.  Wrap
3745         overlong @deftypefn lines.
3746         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3747         descriptions of removed functions.
3748         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3749         of multi-word return value in @deftypefn statement.
3750
3751 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3752
3753         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3754         (Conditional Expressions, Logical Operators)
3755         (Statement and operand traversals): Do not indent smallexample
3756         code.  Fix duplicate function argument in example.
3757
3758 2011-01-10  Jeff Law  <law@redhat.com>
3759
3760         PR tree-optimization/47141
3761         * ipa-split.c (split_function): Handle case where we are
3762         returning a value and the return block has a virtual operand phi.
3763
3764 2011-01-10  Jan Hubicka  <jh@suse.cz>
3765
3766         PR tree-optimization/47234
3767         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3768         (pass_feedback_split_functions): Declare.
3769         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3770         tree-profile.
3771         * ipa-split.c (gate_split_functions): Update comments; disable
3772         split-functions for profile_arc_flag and branch_probabilities.
3773         (gate_feedback_split_functions): New function.
3774         (execute_feedback_split_functions): New function.
3775         (pass_feedback_split_functions): New global var.
3776
3777 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3778
3779         PR lto/46760
3780         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3781         calling gimple_call_set_cannot_inline.
3782
3783 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3784
3785         * config/darwin-sections.def: Remove unused section.
3786
3787 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3788
3789         PR c++/47218
3790         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3791
3792 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3793
3794         PR objc/47232
3795         * c-parser.c (c_parser_declaration_or_fndef): Improved
3796         error message.
3797
3798 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3799
3800         * config/i386/winnt.c (i386_pe_start_function): Make sure
3801         to switch back to function's section.
3802
3803 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3804
3805         PR gcc/46902
3806         PR testsuite/46912
3807         * plugin.c: Move include of dlfcn.h from here...
3808         * system.h: ... to here.
3809
3810 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3811
3812         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3813         file name.
3814         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3815         two extra empty pages in PDF output.
3816
3817 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3818
3819         PR objc/47078
3820         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3821         for error recovery purposes behave as if it was not specified so
3822         that the default type is usd.
3823
3824 2011-01-07  Jan Hubicka  <jh@suse.cz>
3825
3826         PR tree-optmization/46469
3827         * ipa.c (function_and_variable_visibility): Clear needed flags on
3828         nodes with external decls; handle weakrefs merging correctly.
3829
3830 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3831
3832         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3833         not false.
3834
3835 2011-01-07  Jan Hubicka  <jh@suse.cz>
3836
3837         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3838         and no longer claim that gold is required for linker plugin.
3839         * configure: Regenerate.
3840         * gcc.c (PLUGIN_COND): New macro.
3841         (LINK_COMMAND_SPEC): Use it.
3842         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3843         * config.in (HAVE_LTO_PLUGIN): New.
3844         * configure.ac (--with-lto-plugin): New parameter; autodetect
3845         HAVE_LTO_PLUGIN.
3846
3847 2011-01-07  Jan Hubicka  <jh@suse.cz>
3848
3849         PR tree-optimization/46367
3850         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3851         when we can update original.
3852         (cgraph_mark_inline_edge): Sanity check.
3853         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3854
3855 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3856
3857         * config/spu/spu.h (ASM_COMMENT_START): Define.
3858
3859 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3860
3861         PR driver/42445
3862         * gcc.c (%>S): New.
3863         (SWITCH_KEEP_FOR_GCC): Likewise.
3864         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
3865         (do_spec_1): Handle "%>".
3866
3867         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
3868
3869 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
3870
3871         PR target/47201
3872         * config/i386/i386.c (ix86_delegitimize_address): If
3873         simplify_gen_subreg fails, return orig_x.
3874
3875         PR bootstrap/47187
3876         * value-prof.c (gimple_stringop_fixed_value): Handle
3877         lhs of the call properly.
3878
3879 2011-01-07  Jan Hubicka  <jh@suse.cz>
3880
3881         PR lto/45375
3882         * lto-opt.c (lto_reissue_options): Set flag_shlib.
3883
3884 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3885
3886         * target.def (function_switched_text_sections): New hook.
3887         * doc/tm.texi: Regenerated.
3888         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3889         * final.c (default_function_switched_text_sections): New.
3890         (final_scan_insn): Call function_switched_text_sections when a
3891         mid-function section change occurs.
3892         * output.h (default_function_switched_text_sections): Declare.
3893         * config/darwin-protos.h (darwin_function_switched_text_sections):
3894         Likewise.
3895         * config/darwin.c (darwin_function_switched_text_sections): New.
3896         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3897
3898 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3899
3900         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
3901         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
3902         the secondary code fragment when outputting for DWARF == 2.
3903
3904 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
3905
3906         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3907         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3908         Remove.
3909         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3910         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3911
3912 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
3913
3914         PR debug/46704
3915         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3916         when it is not empty.
3917
3918 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
3919
3920         Bobcat Enablement
3921         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3922         (case ${target}): Add btver1.
3923         * config/i386/driver-i386.c (host_detect_local_cpu): Let
3924         -march=native recognize btver1 processors.
3925         * config/i386/i386-c.c (ix86_target_macros_internal): Add
3926         btver1 def_and_undef
3927         * config/i386/i386.c (struct processor_costs btver1_cost): New
3928         btver1 cost table.
3929         (m_BTVER1): New definition.
3930         (m_AMD_MULTIPLE): Includes m_BTVER1.
3931         (initial_ix86_tune_features): Add btver1 tune.
3932         (processor_target_table): Add btver1 entry.
3933         (static const char *const cpu_names): Add btver1 entry.
3934         (software_prefetching_beneficial_p): Add btver1.
3935         (ix86_option_override_internal): Add btver1 instruction sets.
3936         (ix86_issue_rate): Add btver1.
3937         (ix86_adjust_cost): Add btver1.
3938         * config/i386/i386.h (TARGET_BTVER1): New definition.
3939         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3940         (enum processor_type): Add PROCESSOR_BTVER1.
3941         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3942
3943 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3944
3945         PR target/43309
3946         * config/i386/i386.c (legitimize_tls_address)
3947         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3948         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3949         (tls_initial_exec_64_sun): New pattern.
3950
3951 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3952
3953         * doc/invoke.texi (Overall Options): Improve wording and markup
3954         of the description of -wrapper.
3955
3956 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3957
3958         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3959         rdynamic, threads): New Driver options.
3960
3961 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3962
3963         PR target/38118
3964         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3965         if coming from .tdata.
3966         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3967
3968 2011-01-06  Jan Hubicka  <jh@suse.cz>
3969
3970         PR lto/47188
3971         * collect2.c (main): Do not enable LTOmode when plugin is active.
3972
3973 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3974
3975         PR other/45915
3976         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3977         --version output if supported.
3978         * configure: Regenerate.
3979
3980 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3981
3982         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3983         Driver options.
3984
3985 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3986
3987         PR c/47150
3988         * c-convert.c (convert): When converting a complex expression
3989         other than COMPLEX_EXPR to a different complex type, ensure
3990         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3991         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3992         when converting COMPLEX_TYPE.
3993
3994 2011-01-06  Ira Rosen  <irar@il.ibm.com>
3995
3996         PR tree-optimization/47139
3997         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3998         only the last reduction value is used outside the loop.  Update
3999         documentation.
4000
4001 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
4002
4003         * config/rtems.opt: New.
4004         * config.gcc (*-*-rtems*): Use rtems.opt.
4005
4006 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
4007
4008         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
4009         processors do not support 3DNow instructions.
4010
4011 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4012
4013         * config/spu/spu.c (spu_option_override): Set parameter
4014         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
4015
4016 2011-01-05  Jan Hubicka  <jh@suse.cz>
4017
4018         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
4019         at the command line.
4020
4021 2011-01-05  Martin Jambor  <mjambor@suse.cz>
4022
4023         PR lto/47162
4024         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
4025         deltas on streamed outgoing edges.
4026         (output_node_opt_summary): Output info for outgoing edges only when
4027         the node is in new parameter set.
4028         (output_cgraph_opt_summary): New parameter set, passed to the two
4029         aforementioned functions.  Update its forward declaration and its
4030         callee too.
4031
4032 2011-01-05  Tom Tromey  <tromey@redhat.com>
4033
4034         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
4035         operator to c_finish_omp_atomic.
4036         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
4037         (build_unary_op): Update.
4038         (build_modify_expr): Update.
4039         (build_asm_expr): Update.
4040
4041 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4042
4043         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
4044         newly inserted insns.
4045         (pad_bb): Likewise.
4046         (spu_emit_branch_hint): Likewise.
4047         (insert_hbrp_for_ilb_runout): Likewise.
4048         (spu_machine_dependent_reorg): Call df_finish_pass after
4049         schedule_insns returns.
4050
4051 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4052
4053         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
4054
4055 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4056
4057         PR tree-optimization/47005
4058         * tree-sra.c (struct access): Add 'non_addressable' bit.
4059         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
4060         (decide_one_param_reduction): Return 0 if the parameter is passed by
4061         reference and one of the accesses in the group is non_addressable.
4062
4063 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4064
4065         PR tree-optimization/47056
4066         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
4067         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
4068         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
4069
4070 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4071
4072         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
4073         initializer.  Skip view conversions from aggregate types.
4074
4075 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
4076
4077         PR bootstrap/47055
4078         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
4079
4080 2011-01-04  Philipp Thomas  <pth@suse.de>
4081
4082         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
4083         obvious typo.
4084
4085 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4086
4087         * function.c (thread_prologue_and_epilogue_insns): Do not crash
4088         on empty epilogue sequences.
4089
4090 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
4091
4092         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
4093         non-static): New Driver options.
4094
4095 2011-01-04  Jie Zhang  <jie@codesourcery.com>
4096
4097         PR driver/47137
4098         * gcc.c (default_compilers[]): Set combinable field to 0
4099         for all assembly languages.
4100
4101 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
4102
4103         * config/mips/loongson3a.md: New file.
4104         * config/mips/mips.md: Include loongson3a.md.
4105         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
4106         TUNE_LOONGSON_3A.
4107
4108 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
4109
4110         PR middle-end/47017
4111         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
4112         instead of convert_memory_address_addr_space on the base expression.
4113
4114 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4115
4116         * config/spu/spu.c (spu_option_override): Update error text
4117         for bad -march= / -mtune= values.
4118
4119 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>