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1 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
2
3         * doc/cfg.texi: Remove "See" before @ref.
4         * doc/invoke.texi: Likewise.
5
6 2011-03-05  Jason Merrill  <jason@redhat.com>
7
8         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
9
10 2011-03-05  Anthony Green  <green@moxielogic.com>
11
12         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
13
14 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
15
16         PR rtl-optimization/47899
17         * cfgloopmanip.c (fix_bb_placements): Fix first argument
18         to flow_loop_nested_p when moving the loop upward.
19
20 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
21
22         PR target/47719
23         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
24
25 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
26
27         PR tree-optimization/47967
28         * ipa-cp.c (build_const_val): Return NULL instead of creating
29         VIEW_CONVERT_EXPR for mismatching sizes.
30         (ipcp_create_replace_map): Return NULL if build_const_val failed.
31         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
32         give up on versioning.
33
34 2011-03-05  Alan Modra  <amodra@gmail.com>
35
36         PR target/47986
37         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
38         full cmodel medium/large lo_sum + high addresses.
39
40 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
41
42         * config/s390/s390.c (s390_decompose_address): Reject non-literal
43         pool references in UNSPEC_LTREL_OFFSET.
44
45 2011-03-04  Jan Hubicka  <jh@suse.cz>
46
47         PR lto/47497
48         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
49         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
50         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk): Add node pointers.
51         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
52         cgraph_add_thunk): Add node pointers.
53         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
54         associated to right node.
55         (input_node): Update use of cgraph_same_body_alias
56         and cgraph_add_thunk.
57
58 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
59
60         * config/i386/i386.opt (mprefer-avx128): New flag.
61         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit mode
62         when the flag -mprefer-avx128 is on.
63
64 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
65
66         * dwarf2out.c (compare_loc_operands): Fix address handling.
67
68 2011-03-04  Alan Modra  <amodra@gmail.com>
69
70         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
71
72 2011-03-04  Richard Guenther  <rguenther@suse.de>
73
74         PR middle-end/47968
75         * expmed.c (extract_bit_field_1): Prefer vector modes that
76         vec_extract patterns can handle.
77
78 2011-03-04  Richard Guenther  <rguenther@suse.de>
79
80         PR middle-end/47975
81         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
82
83 2011-03-04  Richard Henderson  <rth@redhat.com>
84
85         * explow.c (emit_stack_save): Remove 'after' parameter.
86         (emit_stack_restore): Likewise.
87         * expr.h: Update to match.
88         * builtins.c, calls.c, stmt.c: Likewise.
89         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
90         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
91         * function.c (expand_function_end): Insert the emit_stack_save
92         sequence before parm_birth_insn instead of after.
93
94 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
95
96         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
97         (ssse3_pmaddubsw128): Ditto.
98         (ssse3_pmaddubsw): Ditto.
99
100 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
101
102         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
103
104 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
105
106         PR c/47963
107         * gimplify.c (omp_add_variable): Only call omp_notice_variable
108         on TYPE_SIZE_UNIT if it is a DECL.
109
110         PR debug/47283
111         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
112         first operand is not is_gimple_mem_ref_addr, try to fold it.
113         If the operand still isn't is_gimple_mem_ref_addr, clear
114         MEM_EXPR on op0.
115
116 2011-03-03  Richard Guenther  <rguenther@suse.de>
117
118         PR middle-end/47283
119         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
120         match comment.
121         (refs_may_alias_p_1): For release branches return true if
122         we are confused by our input.
123
124 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
125
126         * config/s390/s390.c (s390_function_value): Rename to ...
127         (s390_function_and_libcall_value): ... this.
128         (s390_function_value): New function.
129         (s390_libcall_value): New function.
130         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
131         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
132         target macro definitions.
133         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
134
135 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
136
137         * config/i386/freebsd64.h (CC1_SPEC): Define.
138         * config/i386/linux64.h (CC1_SPEC): Define.
139         * config/i386/x86-64.h (CC1_SPEC): Don't define.
140
141 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
142
143         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
144         Remove.
145         * config/stormy16/stormy16.c: Include reload.h.
146         (xstormy16_memory_move_cost): New function.
147         (TARGET_MEMORY_MOVE_COST): Define.
148
149 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
150
151         PR rtl-optimization/47925
152         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
153         with side effects.  Remove the more-specific check for volatile asms.
154
155 2011-03-02  Alan Modra  <amodra@gmail.com>
156
157         PR target/47935
158         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
159         toc relative addresses for valid offsets.
160
161 2011-03-01  Richard Guenther  <rguenther@suse.de>
162
163         PR tree-optimization/47890
164         * tree-vect-loop.c (get_initial_def_for_induction): Set
165         related stmt properly.
166
167 2011-03-01  Richard Guenther  <rguenther@suse.de>
168
169         PR lto/47924
170         * lto-streamer.c (lto_record_common_node): Also register
171         the canonical type.
172
173 2011-03-01  Richard Guenther  <rguenther@suse.de>
174
175         PR lto/46911
176         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
177         Do not stream DECL_ABSTRACT_ORIGIN.
178         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
179         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
180         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
181         Do not stream DECL_ABSTRACT_ORIGIN.
182         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
183         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
184
185 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
186
187         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
188         FUNCTION_VALUE_REGNO_P): Remove.
189         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
190         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
191         Add 'outgoing' argument.
192         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
193         function.
194         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
195         TARGET_FUNCTION_VALUE_REGNO_P): Define.
196
197 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
198
199         PR debug/28047
200         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
201         (lookup_filename): Likewise.
202         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
203
204 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
205             Jakub Jelinek  <jakub@redhat.com>
206
207         PR middle-end/47893
208         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
209         (assign_stack_local_1): Change last argument type to int.
210         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
211         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
212         don't record padding space into frame_space_list nor use those areas.
213         (assign_stack_local): Adjust caller.
214         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
215         of assign_stack_local, pass 0 as last argument.
216         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
217         callers.
218
219 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
220
221         PR debug/47283
222         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
223         Use target address_mode and pointer_mode hooks instead of hardcoded
224         Pmode and ptr_mode.  Handle some simple cases of extending if
225         POINTERS_EXTEND_UNSIGNED < 0.
226         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
227         Call convert_debug_memory_address.
228         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
229         convert_debug_memory_address.
230
231         PR middle-end/46790
232         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
233         * configure: Regenerated.
234         * config.in: Regenerated.
235         * varasm.c (default_function_section): Return NULL
236         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
237
238 2011-02-28  Martin Jambor  <mjambor@suse.cz>
239
240         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
241         the description to match the printed values.
242
243 2011-02-28  Richard Guenther  <rguenther@suse.de>
244
245         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
246         of the copied scope tree.
247
248 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
249
250         * doc/extend.texi (Function Attributes): Avoid deeply (and
251         wrongly) nested tables.
252
253 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
254
255         PR middle-end/47903
256         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
257         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
258         r isn't op0 nor op1.
259
260 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
261
262         * config/avr/avr.md: Remove magic comment for emacs.
263
264 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
265
266         PR target/45261
267         * config/avr/avr.c (avr_option_override): Use error on bad options.
268         (avr_help): New function.
269         (TARGET_HELP): Define.
270
271 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
272
273         PR target/42240
274         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
275         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
276
277 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
278
279         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
280         (ARM Options): Ditto.
281         (i386 and x86-64 Options): Ditto.
282         (RX Options): Ditto.
283         (SPARC Options): Ditto.
284
285 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
286
287         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
288         FreeBSD 6 and later.  Generally use cpu generic.
289
290 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
291
292         * doc/cpp.texi: Update copyright years.
293
294 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
295
296         PR target/46898
297         * config/lm32/lm32.md (ashrsi3): Added needed variable.
298
299 2011-02-25  Jon Beniston  <jon@beniston.com>
300
301         PR target/46898
302         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
303         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
304         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
305         (lm32_block_move_inline): Add type cast to remove warning.
306         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
307         (gen_int_relational): Move declarations to start of function.
308
309 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
310
311         PR tree-optimization/45470
312         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
313         can throw internally only.
314         * tree-vect-stmts.c (vectorizable_call): Likewise.
315
316 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
317
318         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
319         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
320         * config/stormy16/stormy16-protos.h
321         (xstormy16_preferred_reload_class): Remove.
322         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
323         static. Change 'rclass' argument and return type to reg_class_t.
324         (TARGET_PREFERRED_RELOAD_CLASS,
325         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
326
327 2011-02-24  Richard Guenther  <rguenther@suse.de>
328
329         * lto-streamer-in.c (input_bb): Do not find referenced vars
330         in debug statements.
331
332 2011-02-23  Jason Merrill  <jason@redhat.com>
333
334         * common.opt (fabi-version): Document v5 and v6.
335
336 2011-02-23  Richard Guenther  <rguenther@suse.de>
337
338         PR tree-optimization/47849
339         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
340
341 2011-02-23  Jie Zhang  <jie@codesourcery.com>
342
343         * opts-common.c (decode_cmdline_option): Print empty string
344         argument as "" in decoded->orig_option_with_args_text.
345         * gcc.c (execute): Print empty string argument as ""
346         in the verbose output.
347         (do_spec_1): Keep empty string argument.
348
349 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
350
351         * config.gcc: Declare score-* and crx-* obsolete.
352
353 2011-02-23  Jie Zhang  <jie@codesourcery.com>
354
355         PR rtl-optimization/47763
356         * web.c (web_main): Ignore naked clobber when replacing register.
357
358 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
359
360         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
361         Remove.
362
363 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
364
365         PR doc/47848
366         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
367
368 2011-02-22  Mike Stump  <mikestump@comcast.net>
369
370         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
371         assembler.
372         * configure: Regenerate.
373
374 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
375
376         PR rtl-optimization/46002
377         * ira-color.c (update_copy_costs): Change class intersection
378         test to reg_class_contents[] test of 'hard_regno'.
379
380 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
381
382         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
383         than Driver option.
384         * config/hpux11.opt (mt): Likewise.
385         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
386         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
387         * config/vax/elf.opt (mno-asm-pic): Likewise.
388         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
389
390 2011-02-21  Mike Stump  <mikestump@comcast.net>
391
392         PR target/47822
393         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
394         tree so we can get save the type.
395         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
396         for CFString instead of trying to use past the end of the builtins.
397         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
398         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
399         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
400         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
401         Rename to darwin_builtin_cfstring.
402         (darwin_init_cfstring_builtins): Return the built type.
403
404 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
405
406         PR target/47840
407         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
408         (_mm256_insert_epi64): Use _mm_insert_epi64.
409
410 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
411
412         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
413         * config/stormy16/stormy16-protos.h
414         (xstormy16_mode_dependent_address_p): Remove.
415         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
416         Make static. Change return type to bool. Change argument type to
417         const_rtx. Remove dead code.
418         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
419
420 2011-02-21  Richard Guenther  <rguenther@suse.de>
421
422         PR lto/47820
423         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
424         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
425         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
426         TUs context.
427         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
428         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
429
430 2011-02-20  Richard Guenther  <rguenther@suse.de>
431
432         PR lto/47822
433         * tree.c (free_lang_data_in_decl): Clean builtins from
434         the TU decl BLOCK_VARS.
435
436 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
437
438         PR debug/47620
439         PR debug/47630
440         * haifa-sched.c (fix_tick_ready): Skip tick computation
441         for debug insns.
442
443 2011-02-19  Richard Guenther  <rguenther@suse.de>
444
445         PR lto/47647
446         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
447         Remove lazy BLOCK_VARS streaming.
448         (lto_input_ts_block_tree_pointers): Likewise.
449         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
450
451 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
452
453         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
454
455 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
456
457         * config/i386/biarch32.h, config/i386/mach.h,
458         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
459
460 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
461
462         PR target/47800
463         * config/i386/i386.md (peephole2 for shift and plus): Use
464         operands[1] original mode in the first insn.
465
466 2011-02-18  Mike Stump  <mikestump@comcast.net>
467
468         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
469
470 2011-02-18  Jan Hubicka  <jh@suse.cz>
471
472         PR middle-end/47788
473         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
474         to zero when the function is not inlinable at all.
475
476 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
477
478         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
479         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
480         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
481         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
482         * config/pa/t-pa64: Likewise.
483         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
484
485 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
486
487         PR driver/47787
488         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
489
490 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
491
492         PR target/47792
493         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
494
495 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
496
497         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
498         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
499         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
500         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
501         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
502         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
503         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
504         m32r_load_postinc_p, m32r_store_preinc_predec_p,
505         m32r_legitimate_address_p): New functions.
506         * config/m32r/constraints.md (constraint "S"): Don't use
507         STORE_PREINC_PREDEC_P.
508         (constraint "U"): Don't use LOAD_POSTINC_P.
509
510 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
511
512         PR rtl-optimization/46178
513         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
514         compute ira_hard_regno_cover_class[].
515
516 2011-02-18  Richard Guenther  <rguenther@suse.de>
517
518         PR lto/47798
519         * lto-streamer.h (lto_global_var_decls): Declare.
520         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
521         statics for global var processing.
522
523 2011-02-18  Richard Guenther  <rguenther@suse.de>
524
525         PR tree-optimization/47737
526         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
527         edge dominance check.
528
529 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
530
531         PR debug/47780
532         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
533         avoid invalid rtx sharing.
534
535 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
536
537         * doc/cpp.texi (Obsolete Features): Add background on the
538         origin of assertions.
539
540 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
541
542         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
543         objc_abi == 2.
544         * config/darwin.c (output_objc_section_asm_op): Added support for
545         ABI v1 and v2.
546         (is_objc_metadata): New.
547         (darwin_objc2_section): New.
548         (darwin_objc1_section): New.
549         (machopic_select_section): Added support for ABI v1 and v2.
550         (darwin_emit_objc_zeroed): New.
551         (darwin_output_aligned_bss): Detect objc metadata and treat it
552         appropriately.
553         (darwin_asm_output_aligned_decl_common): Same.
554         (darwin_asm_output_aligned_decl_local): Same.
555         * config/darwin-sections.def: Updated for ABI v1 and v2.
556         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
557         compiling Objective-C code for the NeXT runtime, default to using
558         ABI version 0 for 32-bit, and version 2 for 64-bit.
559
560 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
561
562         * common.opt (optimize_fast): New Variable.
563         * opts.c (default_options_optimization): Use opts->x_optimize_fast
564         instead of local variable ofast.
565
566 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
567
568         * doc/invoke.texi (fobjc-abi-version): Documented.
569         (fobjc-nilcheck): Documented.
570         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
571         version.
572
573 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
574
575         PR driver/47390
576         * common.opt (export-dynamic): New Driver option.
577         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
578
579 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
580
581         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
582
583 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
584             Jan Hubicka  <jh@suse.cz>
585
586         PR debug/47106
587         PR debug/47402
588         * cfgexpand.c (account_used_vars_for_block): Remove.
589         (estimated_stack_frame_size): Use referenced vars.
590         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
591         that were referenced in the original function.  Test src_fn
592         rather than cfun.  Drop redundant get_var_ann.
593         (setup_one_parameter): Drop redundant get_var_ann.
594         (declare_return_variable): Likewise.
595         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
596         (copy_arguments_for_versioning): Drop redundant get_var_ann.
597         * ipa-inline.c (compute_inline_parameters): Do not compute
598         disregard_inline_limits here.
599         (compute_inlinable_for_current, pass_inlinable): New.
600         (pass_inline_parameters): Require PROP_referenced_vars.
601         * cgraphunit.c (cgraph_process_new_functions): Don't run
602         compute_inline_parameters explicitly unless function is in SSA form.
603         (cgraph_analyze_function): Set .disregard_inline_limits.
604         * tree-sra.c (convert_callers): Compute inliner parameters
605         only for functions already in SSA form.
606
607 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
608
609         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
610         -mlittle-endian-data.
611
612 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
613
614         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
615         -mno-fpu, not -fpu and -no-fpu.
616         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
617         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
618
619 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
620
621         PR target/43653
622         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
623         input reload with PLUS RTX.
624
625 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
626
627         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
628         of InverseVar(MDMX).
629
630 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
631
632         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
633         --m4-340.
634
635 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
636
637         * config/mn10300/mn10300.opt (mno-crt0): New.
638
639 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
640
641         * config/m68k/uclinux.opt (static-libc): New Driver option.
642
643 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
644
645         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
646
647 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
648
649         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
650         %{muser-extend-enabled}.
651
652 2011-02-16  Richard Guenther  <rguenther@suse.de>
653
654         PR tree-optimization/47738
655         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
656         the TODO from tree_predictive_commoning.
657
658 2011-02-15  Jeff Law  <law@redhat.com>
659
660         Revert
661         2011-01-25  Jeff Law  <law@redhat.com>
662
663         PR rtl-optimization/37273
664         * ira-costs.c (scan_one_insn): Detect constants living in memory and
665         handle them like argument loads from stack slots.  Do not double
666         count memory for memory constants and argument loads from stack slots.
667
668 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
669
670         PR middle-end/47725
671         * combine.c (cant_combine_insn_p): Revert the last change.
672
673 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
674
675         PR target/47755
676         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
677         mode for vector constants.  Remove code that checks for TImode.
678
679 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
680
681         PR debug/47106
682         PR debug/47402
683         * cgraph.h (compute_inline_parameters): Return void.
684         * ipa-inline.c (compute_inline_parameters): Adjust.
685
686 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
687
688         PR debug/47106
689         PR debug/47402
690         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
691         rather than decl.
692         * cfgexpand.c (estimated_stack_frame_size): Likewise.
693         * ipa-inline.c (compute_inline_parameters): Adjust.
694
695 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
696
697         PR debug/47106
698         PR debug/47402
699         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
700         Adjust all users.  Pass FN to...
701         * tree-flow-inline.h (first_referenced_var): ... this.  Add
702         fn argument.
703         * ipa-struct-reorg.c: Adjust.
704         * tree-dfa.c: Adjust.
705         * tree-into-ssa.c: Adjust.
706         * tree-sra.c: Adjust.
707         * tree-ssa-alias.c: Adjust.
708         * tree-ssa-live.c: Adjust.
709         * tree-ssa.c: Adjust.
710         * tree-ssanames.c: Adjust.
711         * tree-tailcall.c: Adjust.
712
713 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
714
715         PR debug/47106
716         PR debug/47402
717         * tree-flow.h (referenced_var_lookup): Add fn parameter.
718         Adjust all callers.
719         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
720         * tree-flow-inline.h: Adjust.
721         * gimple-pretty-print.c: Adjust.
722         * tree-into-ssa.c: Adjust.
723         * tree-ssa.c: Adjust.
724         * cfgexpand.c: Adjust.
725
726 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
727
728         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
729         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
730         (EXTRA_CONSTRAINT): Delete.
731         * config/iq2000/constraints.md: New file.
732         * config/iq2000/iq2000.md: Include it.
733         (define_insn ""): Delete.
734         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
735         unsupported constraint letters from patterns.
736         (call_value, call_value_internal1): Likewise.
737         (call_value_multiple_internal1): Likewise.
738
739 2011-02-15  Nick Clifton  <nickc@redhat.com>
740
741         * config/mn10300/mn10300.c: Include tm-constrs.h.
742         (struct liw_data): New data structure describing an LIW candidate
743         instruction.
744         (extract_bundle): Use struct liw_data.  Allow small integer
745         operands for some instructions.
746         (check_liw_constraints): Use struct liw_data.  Remove swapped
747         parameter.  Add comments describing the checks.  Fix bug when
748         assigning the source of liw1 to the source of liw2.
749         (liw_candidate): Delete.  Code moved into extract_bundle.
750         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
751         before swapping.
752         * config/mn10300/predicates.md (liw_operand): New predicate.
753         Allows registers and small integer constants.
754         * config/mn10300/constraints.md (O): New constraint.  Accetps
755         integers in the range -8 to +7 inclusive.
756         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
757         for moving a small integer into a register.  Give this alternative
758         LIW attributes.
759         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
760         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
761         using the J,K,L and M constraints,
762         (liw): Remove SI mode on second operands to allow for HI and QI
763         mode values.
764         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
765         instruction.
766
767 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
768
769         PR middle-end/47725
770         * combine.c (cant_combine_insn_p): Check zero/sign extended
771         hard registers.
772
773 2011-02-15  Richard Guenther  <rguenther@suse.de>
774
775         PR tree-optimization/47743
776         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
777         for a non-type-compatible VN lookup bail out.
778
779 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
780
781         * config/fr30/constraints.md: New file.
782         * config/fr30/fr30.md: Include it.
783         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
784         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
785         (EXTRA_CONSTRAINT): Delete.
786
787 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
788
789         * config/frv/constraints.md: New file.
790         * config/frv/predicates.md: Include it.
791         * config/frv/frv.c (reg_class_from_letter): Delete.
792         (frv_option_override): Don't initialize it.
793         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
794         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
795         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
796         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
797         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
798         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
799         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
800         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
801         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
802         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
803         (REG_CLASS_FROM_CONSTRAINT): Delete.
804
805 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
806
807         PR middle-end/47581
808         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
809         if frame size is 0 in a leaf function.
810
811 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
812
813         PR pch/14940
814         * config/alpha/host-osf.c: New file.
815         * config/alpha/x-osf: New file.
816         * config.host (alpha*-dec-osf*): Use it.
817
818 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
819
820         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
821         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
822         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
823         (rx_mode_dependent_address_p): ...this. Make static. Change argument
824         type to const_rtx.
825         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
826
827 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
828
829         * config/stormy16/constraints.md: New file.
830         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
831         Use satisfies_constraint_Q and satisfies_constraint_R.
832         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
833         Delete.
834         (xstormy16_legitiamte_address_p): Declare.
835         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
836         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
837         (EXTRA_CONSTRAINT): Delete.
838         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
839         Un-staticize.
840         (xstormy16_extra_constraint_p): Delete.
841
842 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
843
844         PR tree-optimization/46494
845         * loop-unroll.c (split_edge_and_insert): Adjust comment.
846         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
847         (pass_rtl_loop_done): Add TODO_verify_flow.
848         * fwprop.c (pass_rtl_fwprop): Likewise.
849         * modulo-sched.c (pass_sms): Likewise.
850         * tree-ssa-dom.c (pass_dominator): Likewise.
851         * tree-ssa-loop-ch.c (pass_ch): Likewise.
852         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
853         (pass_tree_loop_done): Likewise.
854         * tree-ssa-pre.c (execute_pre): Likewise.
855         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
856         * tree-ssa-sink.c (pass_sink_code): Likewise.
857         * tree-vrp.c (pass_vrp): Likewise.
858
859 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
860
861         * config/v850/constraints.md: New file.
862         * config/v850/v850.md: Include it.
863         * config/v850/predicates.md (reg_or_0_operand): Use
864         satisfies_constraint_G.
865         (special_symbolref_operand): Use satisfies_constraint_K.
866         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
867         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
868         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
869         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
870         (EXTRA_CONSTRAINT): Delete.
871         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
872         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
873         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
874
875 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
876
877         PR target/47696
878         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
879         description.
880
881 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
882
883         * config/mcore/constraints.md: New file.
884         * config/mcore/mcore.md: Include it.
885         * config/mcore/mcore.c (reg_class_from_letter): Delete.
886         * config/mcore/mcore.h (reg_class_from_letter): Delete.
887         (REG_CLASS_FROM_LETTER): Delete.
888         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
889         insn_const_int_ok_for_constraint.
890         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
891         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
892         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
893         (EXTRA_CONSTRAINT): Delete.
894
895 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
896
897         PR ada/41929
898         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
899         (IS_SIGHANDLER): Define.
900         (sparc64_is_sighandler): New function, split off from
901         sparc64_fallback_frame_state.
902         (sparc_is_sighandler): New function, split off from
903         sparc_fallback_frame_state.
904         (sparc64_fallback_frame_state): Merge with ...
905         (sparc_fallback_frame_state): ... this into ...
906         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
907         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
908         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
909         stack instead of hardcoded offsets.
910
911 2011-02-14  Andriy Gapon  <avg@freebsd.org>
912
913         PR target/45808
914         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
915
916 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
917
918         * configure: Regenerate.
919
920 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
921
922         PR driver/45731
923         * gcc.c (asm_options): Correct spec matching --target-help.
924
925 2011-02-12  Martin Jambor  <mjambor@suse.cz>
926
927         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
928         to gimple call error.
929
930 2011-02-12  Mike Stump  <mikestump@comcast.net>
931
932         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
933         comments in backslash regions.
934
935 2011-02-12  Mike Stump  <mikestump@comcast.net>
936             Jakub Jelinek  <jakub@redhat.com>
937             Iain Sandoe  <iains@gcc.gnu.org>
938
939         PR target/47324
940         * dwarf2out.c (output_cfa_loc): When required, apply the
941         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
942         (output_loc_sequence): Likewise.
943         (output_loc_operands_raw): Likewise.
944         (output_loc_sequence_raw): Likewise.
945         (output_cfa_loc): Likewise.
946         (output_loc_list): Suppress register number adjustment when
947         calling output_loc_sequence()
948         (output_die): Likewise.
949
950 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
951
952         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
953         Remove macros.
954         * config/xtensa/xtensa.c (xtensa_register_move_cost,
955         xtensa_memory_move_cost): New functions.
956         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
957
958 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
959
960         PR lto/47225
961         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
962         in the current directory.
963         * configure: Rebuilt.
964
965 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
966
967         * config/darwin.c (darwin_override_options): Add a hunk missed
968         from the commit of r168571.  Trim comment line lengths and
969         correct indents of the preceding block.
970
971 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
972
973         * gcc.c (driver_handle_option): Concatenate the argument to -F with
974         the switch.
975
976 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
977
978         * common.opt (nostartfiles): New Driver option.
979
980 2011-02-11  Xinliang David Li  <davidxl@google.com>
981
982         PR tree-optimization/47707
983         * tree-chrec.c (convert_affine_scev): Keep type precision.
984
985 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
986
987         PR tree-optimization/47420
988         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
989
990 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
991
992         PR rtl-optimization/47614
993         * rtl.h (check_for_inc_dec): Declare.
994         * dse.c (check_for_inc_dec): Externalize...
995         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
996         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
997
998 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
999
1000         PR driver/47678
1001         * gcc.c (main): Do not compile inputs if there were errors in
1002         option handling.
1003         * opts-common.c (read_cmdline_option): Check for wrong language
1004         after other error checks.
1005
1006 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
1007
1008         * cgraph.c: Fix comment typos.
1009         * cgraph.h: Likewise.
1010         * cgraphunit.c: Likewise.
1011         * ipa-cp.c: Likewise.
1012         * ipa-inline.c: Likewise.
1013         * ipa-prop.c: Likewise.
1014         * ipa-pure-const.c: Likewise.
1015         * ipa-ref.c: Likewise.
1016         * ipa-reference.c: Likewise.
1017
1018 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR debug/47684
1021         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1022
1023 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1024
1025         PR testsuite/47400
1026         * doc/sourcebuild.texi (Require Support): Document
1027         dg-require-ascii-locale.
1028
1029 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1030
1031         * doc/lto.texi (Write summary): Fix missing parentheses.
1032
1033 2011-02-10  DJ Delorie  <dj@redhat.com>
1034
1035         * config/m32c/m32c.c (m32c_option_override): Disable
1036         -fcombine-stack-adjustments until flag value tracking and compare
1037         optimization can be rewritten.
1038
1039 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1040
1041         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1042         PROCESSOR_POWER7.
1043         (PROCESSOR_DEFAULT64): Likewise.
1044
1045 2011-02-10  Richard Henderson  <rth@redhat.com>
1046
1047         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1048         change from 2011-02-03.
1049         * config/rx/rx.c (flags_from_code): Likewise.
1050         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1051         is valid, n/pz otherwise.
1052         (rx_select_cc_mode): Return CCmode if Y is not zero.
1053
1054 2011-02-10  Richard Guenther  <rguenther@suse.de>
1055
1056         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1057
1058 2011-02-10  Richard Guenther  <rguenther@suse.de>
1059
1060         PR tree-optimization/47677
1061         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1062
1063 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1064
1065         PR target/47665
1066         * combine.c (make_compound_operation): Only change shifts into
1067         multiplication for SCALAR_INT_MODE_P.
1068
1069 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1070
1071         PR testsuite/47622
1072         Revert
1073         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1074         PR debug/42631
1075         * web.c (entry_register): Don't clobber the number of the
1076         first uninitialized reference in used[].
1077
1078 2011-02-09  Richard Guenther  <rguenther@suse.de>
1079
1080         PR tree-optimization/47664
1081         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1082         all edges again.
1083
1084 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1085
1086         PR target/46481
1087         PR target/47032
1088         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1089         PROCESSOR_POWER7.
1090         (PROCESSOR_DEFAULT64): Same.
1091         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1092
1093 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1094
1095         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1096
1097 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1098
1099         PR middle-end/45505
1100         * tree-sra.c (struct access): New flags grp_scalar_read and
1101         grp_scalar_write.  Changed description of assignment read and write
1102         flags.
1103         (dump_access): Dump new flags, reorder all of them.
1104         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1105         to detect multiple scalar reads.
1106         (analyze_access_subtree): Use the new scalar read write flags instead
1107         of the old flags.  Adjusted comments.
1108
1109 2011-02-08  DJ Delorie  <dj@redhat.com>
1110
1111         PR target/47548
1112         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1113         patterns.
1114
1115 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1116
1117         * config/m68k/uclinux.opt: New.
1118         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1119
1120 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1121
1122         * config/cris/elf.opt (sim): New Driver option.
1123
1124 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1125
1126         * config/xtensa/elf.opt: New.
1127         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1128
1129 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1130
1131         * config/vax/elf.opt: New.
1132         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1133
1134 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1135
1136         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1137
1138 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1139
1140         * config/gnu-user.opt: New.
1141         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1142         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1143         *-*-uclinux*): Use gnu-user.opt.
1144
1145 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1146
1147         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1148         * config/i386/gnu.h (CPP_SPEC): Likewise.
1149
1150 2011-02-08  Ian Lance Taylor  <iant@google.com>
1151
1152         * common.opt (fcx-limited-range): Add SetByCombined flag.
1153         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1154         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1155         (fassociative-math, freciprocal-math): Likewise.
1156         (funsafe-math-optimizations): Likewise.
1157         * opth-gen.awk: Handle SetByCombined.
1158         * optc-gen.awk: Likewise.
1159         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1160         (set_unsafe_math_optimizations_flags): Likewise.
1161         * doc/options.texi (Option properties): Document SetByCombined.
1162
1163 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1164
1165         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1166         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1167         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1168         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1169         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1170
1171 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1172
1173         PR tree-optimization/46834
1174         PR tree-optimization/46994
1175         PR tree-optimization/46995
1176         * graphite-sese-to-poly.c (used_outside_reduction): New.
1177         (detect_commutative_reduction): Call used_outside_reduction.
1178         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1179         translate_scalar_reduction_to_array only when at least one
1180         loop-phi/close-phi tuple has been detected.
1181
1182 2011-02-08  Richard Guenther  <rguenther@suse.de>
1183
1184         PR middle-end/47639
1185         * tree-vect-generic.c (expand_vector_operations_1): Update
1186         stmts here ...
1187         (expand_vector_operations): ... not here.  Cleanup EH info
1188         and the CFG if required.
1189
1190 2011-02-08  Richard Guenther  <rguenther@suse.de>
1191
1192         PR tree-optimization/47641
1193         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1194         require type compatibility.
1195
1196 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1197
1198         * gimple-low.c (lower_function_body): Don't remove the location of
1199         the return statement here.
1200         (lower_gimple_return): Do it here instead but only if the return
1201         statement is actually used twice.
1202
1203 2011-02-08  Richard Guenther  <rguenther@suse.de>
1204
1205         PR tree-optimization/47632
1206         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1207         unused up_to_stmt parameter, return whether cfg-cleanup is
1208         necessary, remove EH info properly.
1209         (forward_propagate_into_gimple_cond): Adjust caller.
1210         (forward_propagate_into_cond): Likewise.
1211         (forward_propagate_comparison): Likewise.
1212         (tree_ssa_forward_propagate_single_use_vars): Make
1213         forward_propagate_comparison case similar to the two others.
1214
1215 2011-02-08  Nick Clifton  <nickc@redhat.com>
1216
1217         * config/mn10300/mn10300.opt (mliw): New command line option.
1218         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1219         (liw_bundling): New automaton.
1220         (liw): New attribute.
1221         (liw_op): New attribute.
1222         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1223         (movsi_internal): Add LIW attributes.
1224         (andsi3): Likewise.
1225         (iorsi3): Likewise.
1226         (xorsi3): Likewise.
1227         (addsi3): Separate register and immediate alternatives.
1228         Add LIW attributes.
1229         (subsi3): Likewise.
1230         (cmpsi): Likewise.
1231         (aslsi3): Likewise.
1232         (lshrsi3): Likewise.
1233         (ashrsi3): Likewise.
1234         (liw): New pattern.
1235         * config/mn10300/mn10300.c (liw_op_names): New
1236         (mn10300_print_operand): Handle 'W' operand descriptor.
1237         (extract_bundle): New function.
1238         (check_liw_constraints): New function.
1239         (liw_candidate): New function.
1240         (mn10300_bundle_liw): New function.
1241         (mn10300_reorg): New function.
1242         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1243         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1244         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1245         __LIW__ or __NO_LIW__.
1246         * doc/invoke.texi: Describe the -mliw command line option.
1247
1248 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1249
1250         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1251         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1252         pthread_mutex_unlock): Remove.
1253         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1254         * config/pa/t-pa64: Likewise.
1255         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1256         shared libc if not linking against libpthread.
1257         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1258
1259 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1260
1261         PR target/47558
1262         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1263         on 10.6 and later to ensure that we always use the unwinder from
1264         the system.  Only add -no_compact_unwind when tarteting darwin
1265         10.6 or later.
1266
1267 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1268
1269         PR target/46997
1270         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1271         (vec_interleave_lowv2sf): Ditto.
1272         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1273         (vec_extract_oddv2sf): Ditto.
1274
1275 2011-02-07  Mike Stump  <mikestump@comcast.net>
1276
1277         PR target/42333
1278         Add __ieee_divdc3 entry point.
1279         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1280         entry point.
1281         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1282         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1283         * config/darwin.c (darwin_rename_builtins): Add.
1284         * config/darwin-protos.h (darwin_rename_builtins): Add.
1285
1286 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1287
1288         PR target/47636
1289         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1290         for the condition.
1291
1292 2011-02-07  Mike Stump  <mikestump@comcast.net>
1293
1294         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1295
1296 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1297
1298         PR target/47534
1299         * config/avr/libgcc.S (exit): Move .endfunc
1300
1301 2011-02-07  Richard Guenther  <rguenther@suse.de>
1302
1303         PR tree-optimization/47615
1304         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1305         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1306         (run_scc_vn): Initialize it.
1307         (visit_reference_op_load): Use it.
1308         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1309
1310 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1311
1312         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1313         DImode trapping arithmetic libfuncs.
1314
1315 2011-02-07  Richard Guenther  <rguenther@suse.de>
1316
1317         PR tree-optimization/47621
1318         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1319         two duplicates ...
1320         (execute_update_addresses_taken): ... here.  Make it more
1321         conservative in what we accept.
1322
1323 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1324
1325         * config/sparc/freebsd.h (ASM_SPEC): Define.
1326         * config/sparc/vxworks.h (ASM_SPEC): Define.
1327
1328 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1329
1330         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1331
1332 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1333
1334         * doc/invoke.texi: Remove reference to compiler internals from
1335         user documentation.
1336
1337         * reg-notes.def: Remove REG_VALUE_PROFILE.
1338         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1339
1340 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1341
1342         PR middle-end/47610
1343         * varasm.c (default_section_type_flags): If decl is NULL,
1344         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1345
1346 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1347
1348         PR debug/42631
1349         * web.c (entry_register): Don't clobber the number of the
1350         first uninitialized reference in used[].
1351
1352 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1353
1354         PR tree-optimization/46194
1355         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1356         (build_classic_dist_vector_1): Do not represent classic distance
1357         vectors when the access functions are variating in different loops.
1358
1359 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1360
1361         * config/mips/iris6.opt: New.
1362         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1363
1364 2011-02-04  Richard Henderson  <rth@redhat.com>
1365             Steve Ellcey  <sje@cup.hp.com>
1366
1367         PR target/46997
1368         * config/ia64/predicates.md (mux1_brcst_element): New.
1369         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1370         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1371         (ia64_unpack_sign): New.
1372         (ia64_expand_unpack): Rewrite using new routines.
1373         (ia64_expand_widen_sum): Ditto.
1374         (ia64_expand_dot_prod_v8qi): Ditto.
1375         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1376         routines, add endian check.
1377         (pmpy2_even): Rename from pmpy2_r, add endian check.
1378         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1379         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1380         (vec_widen_smult_hi_v4hi): Ditto.
1381         (vec_widen_umult_lo_v4hi): Ditto.
1382         (vec_widen_umult_hi_v4hi): Ditto.
1383         (mulv2si3): Change endian checks.
1384         (sdot_prodv4hi): Rewrite with new calls.
1385         (udot_prodv4hi): New.
1386         (vec_pack_ssat_v4hi): Add endian check.
1387         (vec_pack_usat_v4hi): Ditto.
1388         (vec_pack_ssat_v2si): Ditto.
1389         (max1_even): Rename from max1_r, add endian check.
1390         (max1_odd): Rename from max1_l, add endian check.
1391         (*mux1_rev): Format change.
1392         (*mux1_mix): Ditto.
1393         (*mux1_shuf): Ditto.
1394         (*mux1_alt): Ditto.
1395         (*mux1_brcst_v8qi): Use new predicate.
1396         (vec_extract_evenv8qi): Remove endian check.
1397         (vec_extract_oddv8qi): Ditto.
1398         (vec_interleave_lowv4hi): Format change.
1399         (vec_interleave_highv4hi): Ditto.
1400         (mix2_even): Rename from mix2_r, add endian check.
1401         (mix2_odd): Rename from mux2_l, add endian check.
1402         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1403         (vec_extract_evenodd_helper): Format change.
1404         (vec_extract_evenv4hi): Remove endian check.
1405         (vec_extract_oddv4hi): Remove endian check.
1406         (vec_interleave_lowv2si): Format change.
1407         (vec_interleave_highv2si): Format change.
1408         (vec_initv2si): Remove endian check.
1409         (vecinit_v2si): Add endian check.
1410         (reduc_splus_v2sf): Add endian check.
1411         (reduc_smax_v2sf): Ditto.
1412         (reduc_smin_v2sf): Ditto.
1413         (vec_initv2sf): Remove endian check.
1414         (fpack): Add endian check.
1415         (fswap): Add endian check.
1416         (vec_interleave_highv2sf): Add endian check.
1417         (vec_interleave_lowv2sf): Add endian check.
1418         (fmix_lr): Add endian check.
1419         (vec_setv2sf): Format change.
1420         (*vec_extractv2sf_0_be): Use shift to extract operand.
1421         (*vec_extractv2sf_1_be): New.
1422         (vec_pack_trunc_v4hi): Add endian check.
1423         (vec_pack_trunc_v2si): Format change.
1424
1425 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR inline-asm/23200
1428         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1429         do bb, locus and block comparison and disallow loads if it is not set.
1430         (stmt_is_replaceable_p): New function.
1431         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1432         callers.
1433         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1434         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1435         SSA_NAME_DEF_STMT.
1436         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1437
1438 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1439
1440         * config/rs6000/xilinx.opt: New.
1441         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1442
1443 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1444
1445         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1446
1447 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1448
1449         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1450         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1451         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1452         secondary_reload_info, xtensa_secondary_reload): Remove.
1453         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1454         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1455         (xtensa_preferred_reload_class): Make static. Change return and
1456         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1457         Use CONST_DOUBLE_P predicate.
1458         (xtensa_preferred_output_reload_class): New function.
1459         (xtensa_secondary_reload): Make static.
1460
1461 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1462
1463         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1464         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1465         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1466
1467 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1468
1469         PR middle-end/31490
1470         * output.h (SECTION_RELRO): Define.
1471         (SECTION_MACH_DEP): Adjust.
1472         (get_variable_section): New prototype.
1473         * varpool.c (varpool_finalize_named_section_flags): New function.
1474         (varpool_assemble_pending_decls): Call it.
1475         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1476         * cgraphunit.c (cgraph_output_in_order): Call
1477         varpool_finalize_named_section_flags.
1478         * varasm.c (get_section): Allow section flags conflicts between
1479         relro and read-only sections if the section hasn't been declared yet.
1480         Set SECTION_OVERRIDE after diagnosing section type conflict.
1481         (get_variable_section): No longer static.
1482         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1483         readonly sections that need relocations.
1484         (decl_readonly_section_1): New function.
1485         (decl_readonly_section): Use it.
1486
1487         Revert:
1488         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1489                     Steve Ellcey  <sje@cup.hp.com>
1490
1491         PR middle-end/31490
1492         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1493         if section attribute used.
1494
1495 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1496
1497         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1498         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1499         (darwin_init_sections): Remove assertion.
1500
1501 2011-02-03  Nick Clifton  <nickc@redhat.com>
1502
1503         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1504         lt and ge.
1505         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1506         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1507         instead of "n" and "pz".
1508         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1509         CC_FLAG_S.
1510
1511 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1512
1513         PR target/47312
1514         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1515         fma, expand FMA_EXPR as fma{,f,l} call.
1516
1517         PR lto/47274
1518         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1519         copy them into a unsigned char variable and pass address of it to
1520         lto_output_data_stream.
1521
1522         PR target/47564
1523         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1524         around backend_init_target and lang_dependent_init_target calls.
1525         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1526         (verify_cgraph_node): Don't call set_cfun here.  Use
1527         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1528         Set error_found for incorrectly represented calls to thunks.
1529
1530 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1531
1532         PR debug/43092
1533         PR rtl-optimization/43494
1534         * rtl.h (for_each_inc_dec_fn): New type.
1535         (for_each_inc_dec): Declare.
1536         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1537         (for_each_inc_dec_find_inc_dec): New fn.
1538         (for_each_inc_dec_find_mem): New fn.
1539         (for_each_inc_dec): New fn.
1540         * dse.c (struct insn_size): Remove.
1541         (replace_inc_dec, replace_inc_dec_mem): Remove.
1542         (emit_inc_dec_insn_before): New fn.
1543         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1544         (canon_address): Pass mem modes to cselib_lookup.
1545         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1546         (cselib_lookup_from_insn): Likewise.
1547         (cselib_subst_to_values): Likewise.
1548         * cselib.c (find_slot_memmode): New var.
1549         (cselib_find_slot): New fn.  Use it instead of
1550         htab_find_slot_with_hash everywhere.
1551         (entry_and_rtx_equal_p): Use find_slot_memmode.
1552         (autoinc_split): New fn.
1553         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1554         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1555         Deal with autoinc.  Special-case recursion into MEMs.
1556         (cselib_hash_rtx): Likewise.
1557         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1558         address and MEM modes.
1559         (cselib_subst_to_values): Add memmode, pass it on.
1560         Deal with autoinc.
1561         (cselib_lookup): Add memmode argument, pass it on.
1562         (cselib_lookup_from_insn): Add memmode.
1563         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1564         (struct cselib_record_autoinc_data): New.
1565         (cselib_record_autoinc_cb): New fn.
1566         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1567         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1568         (cselib_process_insn): ... here.
1569         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1570         to cselib_lookup.
1571         (add_uses): Likewise, also to cselib_subst_to_values.
1572         (add_stores): Likewise.
1573         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1574         cselib_subst_to_values.
1575         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1576         * gcse.c (do_local_cprop): Adjusted.
1577         * postreload.c (reload_cse_simplify_set): Adjusted.
1578         (reload_cse_simplify_operands): Adjusted.
1579         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1580
1581 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1582
1583         PR tree-optimization/45122
1584         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1585         unsafe assumptions when there's more than one loop exit.
1586
1587 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1588
1589         PR target/47272
1590         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1591         Document using vector double with the load/store builtins, and
1592         that the load/store builtins always use Altivec instructions.
1593
1594         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1595         to use altivec memory instructions, even on VSX.
1596         (vector_altivec_store_<mode>): Ditto.
1597
1598         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1599         function.
1600
1601         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1602         V2DF, V2DI support to load/store overloaded builtins.
1603
1604         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1605         altivec load/store builtins for V2DF/V2DI types.
1606
1607         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1608         set avoid indexed addresses on power6 if -maltivec.
1609         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1610         vector_altivec_load/vector_altivec_store builtins.
1611         (altivec_expand_st_builtin): Ditto.
1612         (altivec_expand_builtin): Add VSX memory builtins.
1613         (rs6000_init_builtins): Add V2DI types to internal types.
1614         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1615         load/store builtins.
1616         (rs6000_address_for_altivec): Insure memory address is appropriate
1617         for Altivec.
1618
1619         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1620         vec_vsx_ld and vec_vsx_st.
1621         (vsx_store_<mode>): Ditto.
1622
1623         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1624         variables to hold long long types for VSX vector memory builtins.
1625         (RS6000_BTI_unsigned_long_long): Ditto.
1626         (long_long_integer_type_internal_node): Ditti.
1627         (long_long_unsigned_type_internal_node): Ditti.
1628
1629         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1630         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1631         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1632
1633         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1634         short cuts.
1635         (vec_vsx_st): Ditto.
1636
1637 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1638
1639         * config/pa/pa-hpux10.opt: New.
1640         * config/hpux11.opt (pthread): New Driver option.
1641         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1642         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1643
1644 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1645
1646         * config/ia64/vms.opt: New.
1647         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1648
1649 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1650
1651         PR target/47580
1652         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1653         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1654         generator functions.
1655         (vsx_floatuns<VSi><mode>2): Ditto.
1656         (vsx_fix_trunc<mode><VSi>2): Ditto.
1657         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1658
1659 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1660
1661         * config/i386/djgpp.opt (posix): New Driver option.
1662
1663 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1664
1665         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1666         Move to the unsupported targets list.
1667
1668 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1669
1670         PR rtl-optimization/47525
1671         * df-scan.c: Update copyright years.
1672         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1673         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1674
1675 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1676
1677         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1678         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1679         (ASM_OUTPUT_ASCII): Remove.
1680         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1681
1682 2011-02-02  Jeff Law  <law@redhat.com>
1683
1684         PR middle-end/47543
1685         * reload.c (find_reloads_address): Handle reg+d address where both
1686         components are invalid by reloading the entire address.
1687
1688 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1689             Richard Guenther  <rguenther@suse.de>
1690
1691         PR tree-optimization/40979
1692         PR bootstrap/47044
1693         * passes.c (init_optimization_passes): After LIM call copy_prop
1694         and DCE to clean up.
1695         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1696
1697 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1698
1699         PR tree-optimization/47576
1700         PR tree-optimization/47555
1701         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1702         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1703         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1704         * tree-scalar-evolution.c (follow_ssa_edge): Use
1705         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1706
1707 2011-02-02  Richard Guenther  <rguenther@suse.de>
1708
1709         PR tree-optimization/47566
1710         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1711
1712 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1713
1714         PR debug/47106
1715         PR debug/47402
1716         * tree-inline.c (declare_return_variable): Remove unused caller
1717         variable.
1718
1719         PR debug/47106
1720         PR debug/47402
1721         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1722         * cfgexpand.c (account_used_vars_for_block): Use them.
1723         * tree-nrv.c (tree_nrv): Likewise.
1724         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1725         (dump_scope_block): Likewise.
1726         (remove_unused_locals): Likewise.
1727
1728         PR debug/47106
1729         PR debug/47402
1730         * tree-inline.c (declare_return_variable): Add result decl to
1731         local decls only once.
1732         * gimple-low.c (record_vars_into): Mark newly-created variables
1733         as referenced.
1734
1735 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1736
1737         PR debug/47498
1738         PR debug/47501
1739         PR debug/45136
1740         PR debug/45130
1741         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1742         debug insns.
1743         (no_real_insns_p, schedule_block, set_priorities): Drop special
1744         treatment of boundary debug insns.
1745         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1746         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1747         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1748         (BOUNDARY_DEBUG_INSN_P): Likewise.
1749         (SCHEDULE_DEBUG_INSN_P): Likewise.
1750         * sched-rgn.c (init_ready_list): Drop special treatment of
1751         boundary debug insns.
1752         * final.c (rest_of_clean_state): Clear notes' BB.
1753
1754 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1755
1756         * config/openbsd.opt (assert=): New Driver option.
1757
1758 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1759
1760         * config/i386/nto.opt: New.
1761         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1762
1763 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1764
1765         * config/i386/netware.opt: New.
1766         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1767
1768 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1769
1770         * config/interix.opt (posix): New Driver option.
1771
1772 2011-02-01  DJ Delorie  <dj@redhat.com>
1773
1774         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1775
1776         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1777         class for A0/A1.
1778
1779 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1780
1781         PR tree-optimization/47561
1782         * toplev.c (process_options): Print the Graphite flags.  Add
1783         flag_loop_flatten to the list of options requiring Graphite.
1784
1785 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1786
1787         * config/i386/cygming.opt (posix): New Driver option.
1788
1789 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1790
1791         * config/arm/vxworks.opt: New.
1792         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1793
1794 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1795
1796         * config/alpha/elf.opt: New.
1797         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1798         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1799
1800 2011-02-01  Richard Guenther  <rguenther@suse.de>
1801
1802         PR tree-optimization/47559
1803         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1804         store-motion on references that can throw.
1805
1806 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1807
1808         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1809         * tree-pass.h (TDF_CSELIB): New macro.
1810         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1811         cselib_lookup): Check for it rather than for TDF_DETAILS.
1812
1813 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1814
1815         PR driver/47547
1816         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1817         is HOST_BIT_BUCKET.
1818
1819         * opts.c (finish_options): Don't add x_aux_base_name if it is
1820         HOST_BIT_BUCKET.
1821
1822 2011-02-01  Richard Guenther  <rguenther@suse.de>
1823
1824         PR tree-optimization/47555
1825         Revert
1826         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1827
1828         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1829
1830 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1831
1832         PR gcc/46692
1833         * config/lm32/t-lm32: Add multilib for all CPU options.
1834
1835 2011-02-01  Richard Guenther  <rguenther@suse.de>
1836
1837         PR tree-optimization/47541
1838         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1839         sure to have a field at offset zero.
1840
1841 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1842
1843         * config/arc/arc.opt (EB, EL): New Driver options.
1844
1845 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1846
1847         * config/alpha/osf5.opt: New.
1848         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1849
1850 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1851
1852         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1853
1854 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1857         -floop-interchange.
1858         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1859         is an alias of -floop-interchange and that it requires the
1860         Graphite infrastructure.
1861         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1862         flag_loop_interchange based on the value of flag_tree_loop_linear.
1863
1864 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1865             Richard Guenther  <rguenther@suse.de>
1866
1867         PR tree-optimization/47538
1868         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1869         type instead of r1type, except for comparisons.  For right
1870         shifts and comparisons punt if there are mismatches in
1871         sizetype vs. non-sizetype types.
1872
1873 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1874
1875         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1876         avx_runtime.
1877
1878 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1879
1880         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1881         version number.
1882         * configure: Regenerate.
1883
1884 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1885
1886         * configure.ac (gcc_cv_ld_static_option): Define.
1887         (gcc_cv_ld_dynamic_option): Define.
1888         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1889         instead.
1890         (HAVE_LD_STATIC_DYNAMIC): Update message.
1891         (LD_STATIC_OPTION): Define.
1892         (LD_DYNAMIC_OPTION): Define.
1893         * configure: Regenerate.
1894         * config.in: Regenerate.
1895         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1896         HAVE_LD_STATIC_DYNAMIC]: Use them.
1897
1898 2011-01-31  Nick Clifton  <nickc@redhat.com>
1899
1900         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1901         registers inside interrupt handlers if the handler is not a leaf
1902         function.
1903
1904 2011-01-31  Nick Clifton  <nickc@redhat.com>
1905
1906         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1907         reg_renumber returning an INVALID_REGNUM.
1908
1909 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1910
1911         PR libgcj/44341
1912         * doc/install.texi: Document host options discarded when cross
1913         configuring target libraries.
1914
1915 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1916
1917         Reverted:
1918         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1919         PR debug/45136
1920         PR debug/45130
1921         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1922         debug insns.
1923         (no_real_insns_p, schedule_block, set_priorities): Drop special
1924         treatment of boundary debug insns.
1925         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1926         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1927         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1928         (BOUNDARY_DEBUG_INSN_P): Likewise.
1929         (SCHEDULE_DEBUG_INSN_P): Likewise.
1930         * sched-rgn.c (init_ready_list): Drop special treatment of
1931         boundary debug insns.
1932         * final.c (rest_of_clean-state): Clear notes' BB.
1933
1934 2011-01-31  Alan Modra  <amodra@gmail.com>
1935
1936         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1937         toc relative expressions as we do in print_operand_address.
1938
1939 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1940
1941         * doc/extend.texi: Follow spelling conventions.
1942         * doc/invoke.texi: Fix a typo.
1943
1944 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1945
1946         * config/hpux11.opt: New.
1947         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1948         ia64*-*-hpux*): Use hpux11.opt.
1949
1950 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
1951
1952         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1953         to tmake_file.
1954
1955 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1956
1957         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1958         support sites.
1959
1960 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1961
1962         * doc/install.texi (Binaries): Remove outdated reference for
1963         Motorola 68HC11/68HC12 downloads.
1964
1965 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1966
1967         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1968         Drepper's paper.
1969
1970 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1971
1972         PR bootstrap/47147
1973         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1974         used by NetBSD.
1975
1976 2011-01-28  Ahmad Sharif  <asharif@google.com>
1977
1978         * value-prof.c (check_counter): Corrected error message.
1979
1980 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1981
1982         * config/arm/arm.c (arm_legitimize_reload_address): New.
1983         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1984         arm_legitimize_reload_address.
1985         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1986
1987 2011-01-28  Ian Lance Taylor  <iant@google.com>
1988
1989         * godump.c (go_define): Ignore macros whose definitions include
1990         two adjacent operands.
1991
1992 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1993
1994         PR target/42894
1995         * varasm.c (force_const_mem): Store copy of x in desc->constant
1996         instead of x itself.
1997         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1998         itself into REG_EQUAL note.
1999
2000 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
2001
2002         * config/freebsd.opt (posix, rdynamic): New Driver options.
2003
2004 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2005
2006         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
2007         -Bstatic/-Bdynamic.
2008         * configure: Regenerate.
2009
2010 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
2011
2012         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2013         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2014
2015 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2016
2017         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2018         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2019         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2020         (s390_preferred_reload_class): Make static. Change return and
2021         'rclass' argument type to reg_class_t.
2022
2023 2011-01-27  Jan Hubicka  <jh@suse.cz>
2024
2025         PR middle-end/46949
2026         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2027         (process_function_and_variable_attributes): Check defined weakrefs.
2028
2029 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2030
2031         PR tree-optimization/47228
2032         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2033         build_ref_for_offset.
2034
2035 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2036
2037         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2038
2039 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2040
2041         PR rtl-optimization/46856
2042         * postreload.c (reload_combine_recognize_const_pattern): Do not
2043         separate cc0 setter and user on cc0 targets.
2044
2045 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2046
2047         PR c/43082
2048         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2049         passed a VOID_TYPE expression, immediately emit an error and
2050         return error_mark_node.
2051
2052 2011-01-26  Jeff Law  <law@redhat.com>
2053
2054         PR rtl-optimization/47464
2055         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2056         rather than may_trap_p as needed.
2057
2058 2011-01-26  DJ Delorie  <dj@redhat.com>
2059
2060         PR rtl-optimization/46878
2061         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2062         setter/user dependency as well.
2063
2064 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2065
2066         PR rtl-optimization/44469
2067         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2068         after removing trivially dead basic blocks.
2069
2070 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2071
2072         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2073         * config/frv/frv.h (LINK_SPEC): Likewise.
2074         * config/i386/netware.h (LINK_SPEC): Likewise.
2075         * config/m68k/linux.h (ASM_SPEC): Likewise.
2076         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2077         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2078         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2079         * config/sparc/linux.h (ASM_SPEC): Likewise.
2080         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2081         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2082
2083 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2084
2085         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2086         * config/frv/frv.h (ASM_SPEC): Likewise.
2087         * config/m68k/linux.h (ASM_SPEC): Likewise.
2088         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2089         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2090         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2091         * config/sparc/linux.h (ASM_SPEC): Likewise.
2092         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2093         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2094
2095 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2096
2097         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2098         * config/frv/frv.h (LINK_SPEC): Likewise.
2099         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2100
2101 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2102
2103         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2104         * config/frv/frv.h (ASM_SPEC): Likewise.
2105         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2106         * config/m68k/linux.h (ASM_SPEC): Likewise.
2107         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2108         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2109         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2110         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2111         * config/sparc/linux.h (ASM_SPEC): Likewise.
2112         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2113         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2114         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2115
2116 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2117
2118         PR target/46997
2119         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2120         (*mux2): Ditto.
2121         (vec_extract_evenodd_help): Ditto.
2122         (vec_extract_evenv4hi): Ditto.
2123         (vec_extract_oddv4hi): Ditto.
2124         (vec_interleave_lowv2si): Ditto.
2125         (vec_interleave_highv2si): Ditto.
2126         (vec_extract_evenv2si): Ditto.
2127         (vec_extract_oddv2si: Ditto.
2128         (vec_pack_trunc_v2si): Ditto.
2129
2130 2011-01-22  Jan Hubicka  <jh@suse.cz>
2131
2132         PR target/47237
2133         * cgraph.h (cgraph_local_info): New field can_change_signature.
2134         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2135         signature can change.
2136         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2137         can change.
2138         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2139         (cgraph_function_versioning): We can not change signature of functions
2140         that don't allow that.
2141         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2142         (lto_input_node): Likewise.
2143         * ipa-inline.c (compute_inline_parameters): Compute
2144         local.can_change_signature.
2145         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2146         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2147         functions that can not change signature.
2148         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2149         init_cumulative_args): Do not use local calling conventions
2150         for functions that can not change signature.
2151
2152 2011-01-22  Jan Hubicka  <jh@suse.cz>
2153
2154         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2155
2156 2011-01-26  Richard Guenther  <rguenther@suse.de>
2157
2158         PR tree-optimization/47190
2159         * cgraphunit.c (process_common_attributes): New function.
2160         (process_function_and_variable_attributes): Use it.
2161
2162 2011-01-26  Richard Guenther  <rguenther@suse.de>
2163
2164         PR lto/47423
2165         * cgraphbuild.c (record_eh_tables): Record reference to personality
2166         function.
2167
2168 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2169
2170         PR debug/45454
2171         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2172         non-debug insns from moving up.
2173
2174 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2175
2176         PR target/40125
2177         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2178         t-dlldir{,-x} fragment for build and add it to tmake_file.
2179         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2180         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2181         * config/i386/t-dlldir: New file.
2182         (SHLIB_DLLDIR): Define.
2183         * config/i386/t-dlldir-x: New file.
2184         (SHLIB_DLLDIR): Define.
2185         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2186         (SHLIB_INSTALL): Use it.
2187
2188 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2189
2190         PR target/47246
2191         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2192         lower bound of the allowed Thumb-2 coprocessor load/store
2193         index range to -256. Add explaining comment.
2194
2195 2011-01-25  Ian Lance Taylor  <iant@google.com>
2196
2197         * godump.c (go_define): Improve lexing of macro expansion to only
2198         accept expressions which match Go spec.
2199
2200 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2201
2202         PR c++/43601
2203         * tree.c (handle_dll_attribute): Handle it.
2204         * doc/extend.texi (@item dllexport): Mention it.
2205         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2206
2207 2011-01-25  Ian Lance Taylor  <iant@google.com>
2208
2209         PR tree-optimization/26854
2210         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2211         (decl_jump_unsafe): Move higher in file, with no other change.
2212         (bind): Set has_jump_unsafe_decl if appropriate.
2213         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2214         (check_earlier_gotos): Likewise.
2215         (c_check_switch_jump_warnings): Likewise.
2216
2217 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2218
2219         * doc/invoke.texi (Warning Options): Add missing hyphen.
2220         (-fprofile-dir): Minor grammatical fixes.
2221         (-fbranch-probabilities): Likewise.
2222
2223 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2224
2225         PR debug/45136
2226         PR debug/45130
2227         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2228         debug insns.
2229         (no_real_insns_p, schedule_block, set_priorities): Drop special
2230         treatment of boundary debug insns.
2231         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2232         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2233         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2234         (BOUNDARY_DEBUG_INSN_P): Likewise.
2235         (SCHEDULE_DEBUG_INSN_P): Likewise.
2236         * sched-rgn.c (init_ready_list): Drop special treatment of
2237         boundary debug insns.
2238         * final.c (rest_of_clean-state): Clear notes' BB.
2239
2240 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * Makefile.in (LAMBDA_H): Removed.
2243         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2244         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2245         lambda-trans.o, and tree-loop-linear.o.
2246         (lto-symtab.o): Remove dependence on LAMBDA_H.
2247         (tree-loop-linear.o): Remove rule.
2248         (lambda-mat.o): Same.
2249         (lambda-trans.o): Same.
2250         (lambda-code.o): Same.
2251         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2252         (tree-vect-slp.o): Same.
2253         * hwint.h (gcd): Moved here.
2254         (least_common_multiple): Same.
2255         * lambda-code.c: Removed.
2256         * lambda-mat.c: Removed.
2257         * lambda-trans.c: Removed.
2258         * lambda.h: Removed.
2259         * tree-loop-linear.c: Removed.
2260         * lto-symtab.c: Do not include lambda.h.
2261         * omega.c (gcd): Removed.
2262         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2263         * tree-data-ref.c (print_lambda_vector): Moved here.
2264         (lambda_vector_copy): Same.
2265         (lambda_matrix_copy): Same.
2266         (lambda_matrix_id): Same.
2267         (lambda_vector_first_nz): Same.
2268         (lambda_matrix_row_add): Same.
2269         (lambda_matrix_row_exchange): Same.
2270         (lambda_vector_mult_const): Same.
2271         (lambda_vector_negate): Same.
2272         (lambda_matrix_row_negate): Same.
2273         (lambda_vector_equal): Same.
2274         (lambda_matrix_right_hermite): Same.
2275         * tree-data-ref.h: Do not include lambda.h.
2276         (lambda_vector): Moved here.
2277         (lambda_matrix): Same.
2278         (dependence_level): Same.
2279         (lambda_transform_legal_p): Removed declaration.
2280         (lambda_collect_parameters): Same.
2281         (lambda_compute_access_matrices): Same.
2282         (lambda_vector_gcd): Same.
2283         (lambda_vector_new): Same.
2284         (lambda_vector_clear): Same.
2285         (lambda_vector_lexico_pos): Same.
2286         (lambda_vector_zerop): Same.
2287         (lambda_matrix_new): Same.
2288         * tree-flow.h (least_common_multiple): Removed declaration.
2289         * tree-parloops.c (lambda_trans_matrix): Moved here.
2290         (LTM_MATRIX): Same.
2291         (LTM_ROWSIZE): Same.
2292         (LTM_COLSIZE): Same.
2293         (LTM_DENOMINATOR): Same.
2294         (lambda_trans_matrix_new): Same.
2295         (lambda_matrix_vector_mult): Same.
2296         (lambda_transform_legal_p): Same.
2297         * tree-pass.h (pass_linear_transform): Removed declaration.
2298         * tree-ssa-loop.c (tree_linear_transform): Removed.
2299         (gate_tree_linear_transform): Removed.
2300         (pass_linear_transform): Removed.
2301         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2302         flag_loop_interchange.
2303
2304 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR tree-optimization/47265
2307         PR tree-optimization/47443
2308         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2309         if name still has some uses.
2310
2311 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2312
2313         PR tree-optimization/47382
2314         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2315         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2316
2317 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2318
2319         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2320         sjlj_except_unwind_info.
2321
2322 2011-01-25  Richard Guenther  <rguenther@suse.de>
2323
2324         PR tree-optimization/47426
2325         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2326         visible functions results escape.
2327
2328 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2329
2330         PR target/45701
2331         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2332         (arm_get_frame_offsets): Use it.
2333
2334 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2335             Jakub Jelinek  <jakub@redhat.com>
2336
2337         PR tree-optimization/47271
2338         * tree-if-conv.c (bb_postdominates_preds): New.
2339         (if_convertible_bb_p): Call bb_postdominates_preds.
2340         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2341         (predicate_scalar_phi): Call bb_postdominates_preds.
2342
2343 2011-01-25  Nick Clifton  <nickc@redhat.com>
2344
2345         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2346         * config/rx/rx.c (rx_function_value): Likewise.
2347         (rx_promote_function_mode): Likewise.
2348         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2349         in order to make it legitimate.
2350         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2351         make sure that the first operand is the same as the result register.
2352         (addsi3_unspec): Delete.
2353         (subdi3): Do not accept immediate operands.
2354         (subdi3_internal): Likewise.
2355
2356 2011-01-25  Jeff Law  <law@redhat.com>
2357
2358         PR rtl-optimization/37273
2359         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2360         handle them like argument loads from stack slots.  Do not double
2361         count memory for memory constants and argument loads from stack slots.
2362
2363 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR tree-optimization/47427
2366         PR tree-optimization/47428
2367         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2368         coalesce if the new root var would be TREE_READONLY.
2369
2370 2011-01-25  Richard Guenther  <rguenther@suse.de>
2371
2372         PR middle-end/47414
2373         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2374         correct type for TBAA.
2375
2376 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2377
2378         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2379         (close_phi_written_to_memory): Call for_each_index with
2380         dr_indices_valid_in_loop.
2381
2382 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2385         when it is initialized.
2386
2387 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2388
2389         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2390         call to graphite_find_data_references_in_stmt.
2391         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2392         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2393         call to graphite_find_data_references_in_stmt.
2394         (analyze_drs_in_stmts): Same.
2395         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2396         in which the scalar analysis of indices is performed.
2397         (create_data_ref): Same.  Update call to dr_analyze_indices.
2398         (find_data_references_in_stmt): Update call to create_data_ref.
2399         (graphite_find_data_references_in_stmt): Same.
2400         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2401         declaration.
2402         (create_data_ref): Same.
2403         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2404         call to create_data_ref.
2405
2406 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2407
2408         * graphite-sese-to-poly.c (build_poly_scop): Move
2409         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2410
2411 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2412
2413         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2414         VAR_DECL, PARM_DECL, and RESULT_DECL.
2415
2416 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2417
2418         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2419         in a reduction PBB.
2420         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2421         that have already been marked as PBB_IS_REDUCTION.
2422
2423 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * graphite-scop-detection.c (same_close_phi_node): New.
2426         (remove_duplicate_close_phi): New.
2427         (make_close_phi_nodes_unique): New.
2428         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2429
2430 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2431
2432         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2433         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2434         of both data references to be the same.
2435
2436 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-dependences.c (build_lexicographical_constraint): Remove
2439         the gdim parameter.
2440         (build_lexicographical_constraint): Adjust call to
2441         ppl_powerset_is_empty.
2442         (dependence_polyhedron): Same.
2443         (graphite_legal_transform_dr): Same.
2444         (graphite_carried_dependence_level_k): Same.
2445         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2446         parameter.
2447         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2448
2449 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2450
2451         * graphite-sese-to-poly.c
2452         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2453         (close_phi_written_to_memory): New.
2454         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2455         and unshare_expr.
2456
2457 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2458
2459         * doc/install.texi: Update the expected version number of PPL to 0.11.
2460         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2461         #if PPL_VERSION_MINOR < 11.
2462
2463 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2464
2465         * graphite-dependences.c: Include graphite-cloog-util.h.
2466         (new_poly_ddr): Inlined into dependence_polyhedron.
2467         (free_poly_ddr): Moved close by new_poly_ddr.
2468         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2469         Early return NULL when ppl_powerset_is_empty returns true.
2470         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2471         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2472         (graphite_legal_transform_dr): Call new_poly_ddr.
2473         (graphite_carried_dependence_level_k): Same.
2474         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2475         (dot_transformed_deps_stmt_1): Removed.
2476         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2477         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2478         (dot_deps_1): Call dot_deps_2.
2479         * Makefile.in (graphite-dependences.o): Add missing dependence on
2480         graphite-cloog-util.h.
2481
2482 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2483
2484         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2485         (build_lexicographical_constraint): Same.
2486         (dependence_polyhedron_1): Same.
2487         (graphite_legal_transform_dr): Same.
2488         (graphite_carried_dependence_level_k): Same.
2489         * graphite-ppl.c (ppl_powerset_is_empty): New.
2490         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2491         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2492
2493 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2494
2495         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2496         the "a followed by b" relation and document it.
2497
2498 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2499
2500         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2501         iteration when the bag of constraints is empty.
2502
2503 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2504
2505         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2506
2507 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2508
2509         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2510         nest and two loop depths as parameters.
2511         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2512         lst_perfect_nestify.
2513
2514 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2515
2516         * graphite-dependences.c (print_pddr): Call
2517         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2518
2519 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2520
2521         * graphite-ppl.c (debug_gmp_value): New.
2522         * graphite-ppl.h (debug_gmp_value): Declared.
2523
2524 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2525
2526         * doc/install.texi: Document availability of cloog-0.16.
2527
2528 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2529
2530         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2531         invalid postdominance info.
2532
2533 2011-01-24  Jan Hubicka  <jh@suse.cz>
2534
2535         PR c/21659
2536         * doc/extend.texi (weak pragma): Drop claim that it must
2537         appear before definition.
2538         * varasm.c (merge_weak, declare_weak): Only sanity check
2539         that DECL is not output at a time it is declared weak.
2540
2541 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2542
2543         * machmode.def: Fixed comments.
2544
2545 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2546
2547         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2548
2549 2011-01-24  Paul Koning  <ni1d@arrl.net>
2550
2551         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2552         WORDS_BIG_ENDIAN.
2553
2554 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2555
2556         PR target/46519
2557         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2558         (block_info): Add scanned and prev.
2559         (move_or_delete_vzeroupper_2): Return if the basic block
2560         has been scanned and the upper 128bit state is unchanged
2561         from the last scan.
2562         (move_or_delete_vzeroupper_1): Return true if the exit
2563         state is changed.
2564         (move_or_delete_vzeroupper): Visit basic blocks using the
2565         work-list based algorithm based on vt_find_locations in
2566         var-tracking.c.
2567
2568         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2569
2570 2011-01-24  Nick Clifton  <nickc@redhat.com>
2571
2572         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2573         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2574         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2575         then define __v850e1__.
2576         * doc/invoke.texi: Document -mv850es.
2577
2578 2011-01-24  Richard Henderson  <rth@redhat.com>
2579
2580         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2581         compound unordered comparisons.
2582         * config/rx/rx.c (rx_split_fp_compare): Remove.
2583         * config/rx/rx-protos.h: Update.
2584         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2585         (cbranchsf4): Don't call rx_split_fp_compare.
2586         (*cbranchsf4): Use rx_split_cbranch.
2587         (*cmpsf): Don't accept "i" constraint.
2588         (*conditional_branch): Only valid after reload.
2589         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2590
2591 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2592
2593         PR target/47385
2594         * config/rs6000/altivec.md (vector constant splitters): Add
2595         support for creating vector single precision constants if -mvsx is
2596         used and we would create the constant using Altivec primitives.
2597
2598 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2599             Richard Sandiford  <rdsandiford@googlemail.com>
2600
2601         PR rtl-optimization/47166
2602         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2603         mechanism for PRE_MODIFY and POST_MODIFY.
2604         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2605         reloadreg.
2606
2607 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2608
2609         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2610
2611 2011-01-22  Jan Hubicka  <jh@suse.cz>
2612
2613         PR lto/47333
2614         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2615
2616 2011-01-22  Jan Hubicka  <jh@suse.cz>
2617
2618         PR tree-optimization/43884
2619         PR lto/44334
2620         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2621         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2622
2623 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2624
2625         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2626         * config/s390/s390.c (s390_register_move_cost,
2627         s390_memory_move_cost): New.
2628         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2629
2630 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2631
2632         PR middle-end/47401
2633         * except.c (sjlj_assign_call_site_values): Move setting the
2634         crtl->uses_eh_lsda flag to ...
2635         (sjlj_mark_call_sites): ... here.
2636         (sjlj_emit_function_enter): Support NULL dispatch label.
2637         (sjlj_build_landing_pads): In a function with no landing pads
2638         that still has must-not-throw regions, generate code to register
2639         a personality function with empty LSDA.
2640
2641 2011-01-21  Richard Henderson  <rth@redhat.com>
2642
2643         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2644
2645         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2646
2647         * compare-elim.c: New file.
2648         * Makefile.in (OBJS-common): Add it.
2649         (compare-elim.o): New.
2650         * common.opt (fcompare-elim): New.
2651         * opts.c (default_options_table): Add OPT_fcompare_elim.
2652         * tree-pass.h (pass_compare_elim_after_reload): New.
2653         * passes.c (init_optimization_passes): Add it.
2654         * recog.h: Protect against re-inclusion.
2655         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2656         * doc/invoke.texi (-fcompare-elim): Document it.
2657         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2658         * doc/tm.texi: Rebuild.
2659
2660 2011-01-22  Nick Clifton  <nickc@redhat.com>
2661
2662         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2663         rx_split_fp_compare.
2664
2665 2011-01-22  Nick Clifton  <nickc@redhat.com>
2666
2667         * config/rx/rx.md (UNSPEC_CONST): New.
2668         (deallocate_and_return): Wrap the amount popped off the stack in
2669         an UNSPEC_CONST in order to stop it being rejected by
2670         -mmax-constant-size.
2671         (pop_and_return): Add a "(return)" rtx.
2672         (call): Drop the immediate operand.
2673         (call_internal): Likewise.
2674         (call_value): Likewise.
2675         (call_value_internal): Likewise.
2676         (sibcall_internal): Likewise.
2677         (sibcall_value_internal): Likewise.
2678         (sibcall): Likewise.  Generate an explicit call using
2679         sibcall_internal.
2680         (sibcall_value): Likewise.
2681         (mov<>): FAIL if a constant operand is not legitimate.
2682         (addsi3_unpsec): New pattern.
2683
2684         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2685         (ok_for_max_constant): New function.
2686         (gen_safe_add): New function.
2687         (rx_expand_prologue): Use gen_safe_add.
2688         (rx_expand_epilogue): Likewise.
2689         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2690         UNSPEC CONSTs.
2691
2692 2011-01-21  Jeff Law  <law@redhat.com>
2693
2694         PR tree-optimization/47053
2695         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2696         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2697         statements are deleted.
2698         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2699         is nonempty, then purge dead edges and cleanup the CFG.
2700
2701 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2702
2703         PR debug/47402
2704         Temporarily revert:
2705         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2706         PR debug/47106
2707         * tree-dfa.c (create_var_ann): Mark variable as used.
2708
2709 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2710
2711         PR middle-end/45566
2712         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2713         notes from other section in hot/cold partitioning even if
2714         last_action is -3.  Increment call_site_base.
2715
2716         PR rtl-optimization/47366
2717         * fwprop.c (forward_propagate_into): Return bool.  If
2718         any changes are made, -fnon-call-exceptions is used and
2719         REG_EH_REGION note is present, call purge_dead_edges
2720         and return true if it purged anything.
2721         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2722         any EH edges were purged.
2723
2724 2011-01-21  Jeff Law  <law@redhat.com>
2725
2726         PR rtl-optimization/41619
2727         * caller-save.c (setup_save_areas): Break out code to determine
2728         which hard regs are live across calls by examining the reload chains
2729         so that it is always used.
2730         Eliminate code which checked REG_N_CALLS_CROSSED.
2731
2732 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2733
2734         PR tree-optimization/47355
2735         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2736         NOP has non-debug uses beyond PHIs in new_bb.
2737
2738 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2739
2740         PR debug/47106
2741         * cfgexpand.c (account_used_vars_for_block): Only account vars
2742         that are annotated as used.
2743         (estimated_stack_frame_size): Don't set TREE_USED.
2744         * tree-dfa.c (create_var_ann): Mark variable as used.
2745
2746 2011-01-21  Richard Guenther  <rguenther@suse.de>
2747
2748         PR middle-end/47395
2749         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2750
2751 2011-01-21  Richard Guenther  <rguenther@suse.de>
2752
2753         PR tree-optimization/47365
2754         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2755         (vn_reference_lookup_pieces): Adjust.
2756         (vn_reference_lookup): Likewise.
2757         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2758         (vn_reference_lookup_3): Only look through kills if in
2759         VN_WALKREWRITE mode.
2760         (vn_reference_lookup_pieces): Adjust.
2761         (vn_reference_lookup): Likewise.
2762         (visit_reference_op_load): Likewise.
2763         (visit_reference_op_store): Likewise.
2764         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2765         (compute_avail): Likewise.
2766         (eliminate): Likewise.
2767
2768 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2769
2770         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2771         DECL_IGNORED_P non-reg vars if they are used.
2772
2773         PR tree-optimization/47391
2774         * varpool.c (const_value_known_p): Return false if
2775         decl is volatile.
2776
2777 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2778
2779         PR bootstrap/47215
2780         * config/i386/i386.c (ix86_local_alignment): Handle
2781         case for va_list_type_node is nil.
2782         (ix86_canonical_va_list_type): Likewise.
2783
2784 2011-01-21  Alan Modra  <amodra@gmail.com>
2785
2786         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2787         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2788
2789 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2790
2791         * config/arm/arm.md (define_attr type): Rename f_load
2792         and f_store to f_fpa_load and f_fpa_store. Update.
2793         (write_conflict): Deal with rename fallout.
2794         (*push_fp_multi): Likewise.
2795         * config/arm/fpa.md (f_load): Use f_fpa_load.
2796         (f_store): Use f_fpa_store.
2797         (*movsf_fpa): Likewise.
2798         (*movdf_fpa): Likewise.
2799         (*movxf_fpa): Likewise.
2800         (*thumb2_movsf_fpa): Likewise.
2801         (*thumb2_movdf_fpa): Likewise.
2802         (*thumb2_movxf_fpa): Likewise.
2803         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2804         f_loadd and f_stored.
2805         (*thumb2_movdi_vfp): Likewise.
2806         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2807         (*thumb2_movsi_vfp): Likewise.
2808         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2809         Use f_loads instead of f_load.
2810         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2811
2812 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2813
2814         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2815         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2816         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2817         (xtensa_mode_dependent_address_p): New function.
2818         (constantpool_address_p): Make static. Change return type to bool.
2819         Change argument type to const_rtx. Use CONST_INT_P predicate.
2820
2821 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2822
2823         PR debug/46583
2824         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2825
2826 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2827
2828         PR debug/47283
2829         * cfgexpand.c (expand_debug_expr): Instead of generating
2830         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2831         etc. handling.
2832
2833 2011-01-20  Richard Guenther  <rguenther@suse.de>
2834
2835         PR middle-end/47370
2836         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2837         the pointer operand of MEM_REFs.
2838
2839 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2840
2841         PR tree-optimization/46130
2842         * ipa-split.c (consider_split): If return_bb contains non-virtual
2843         PHIs other than for retval or if split_function would not adjust it,
2844         refuse to split.
2845
2846 2011-01-20  Richard Guenther  <rguenther@suse.de>
2847
2848         PR tree-optimization/47167
2849         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2850         Revert previous change, only avoid enumeral type changes.
2851
2852 2011-01-19  Mike Stump  <mikestump@comcast.net>
2853
2854         * doc/tm.texi.in (BRANCH_COST): Englishify.
2855         * doc/tm.texi (BRANCH_COST): Likewise.
2856
2857 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2858
2859         PR c++/47291
2860         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2861         (gen_scheduled_generic_parms_dies): New functions.
2862         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2863         generation for the end of CU compilation.
2864         (dwarf2out_finish): Generate template parameters DIEs here.
2865
2866 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2867
2868         PR debug/46240
2869         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2870         debug bind stmt on merge edges.
2871
2872 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2873
2874         PR debug/47079
2875         PR debug/46724
2876         * function.c (instantiate_expr): Instantiate incoming rtl of
2877         implicit arguments, and recurse on VALUE_EXPRs.
2878         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2879         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2880
2881 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2882
2883         * c-parser.c (c_parser_for_statement): Initialize
2884         collection_expression.
2885
2886 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2887
2888         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2889
2890 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2891
2892         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2893         (LINK_SHLIB_SPEC): Don't use %(link_path).
2894         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2895
2896 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2897
2898         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2899         (NO_SHARED_LIB_SUPPORT): Remove.
2900         (LINK_SHLIB_SPEC): Remove one conditional definition.
2901
2902 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2903
2904         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2905         %{call_shared}.
2906         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2907         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2908         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2909         %{call_shared} and conditionals on these options not being passed.
2910         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2911         %{call_shared}.
2912
2913 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2914
2915         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2916         simplify.
2917
2918         * ipa-split.c: Spelling fixes.
2919
2920 2011-01-19  Richard Henderson  <rth@redhat.com>
2921
2922         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2923         (*mulsi3): Likewise.
2924
2925         * longlong.h [__mn10300__] (count_leading_zeros): New.
2926         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2927         [__mn10300__] (add_ssaaaa, subddmmss): New.
2928         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2929         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2930
2931 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2932
2933         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2934
2935 2011-01-19  Richard Henderson  <rth@redhat.com>
2936
2937         * config/mn10300/mn10300.md (addsi3_flags): New.
2938         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2939         (subsi3_flags, subc_internal, subdi3): New.
2940         (subdi3_internal, *subdi3_degenerate): New.
2941         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2942
2943         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2944         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2945         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2946         * config/mn10300/mn10300-protos.h: Update.
2947         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2948         (return_ret): Likewise.  Rename from return_internal_regs.
2949         (return_internal): Remove.
2950
2951         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2952         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2953         (mn10300_legitimate_constant_p): Likewise.
2954         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2955         (mn10300_frame_size): New.
2956         (mn10300_expand_prologue): Use it.
2957         (mn10300_expand_epilogue): Likewise.
2958         (mn10300_initial_offset): Likewise.
2959         * config/mn10300/mn10300-protos.h: Update.
2960         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2961         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2962         (prologue, epilogue, return_internal): Tidy output code.
2963         (mn10300_store_multiple_operation, return): Likewise.
2964         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2965         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2966         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2967         (load_pic, am33_load_pic): New.
2968         (mn10300_load_pic0, mn10300_load_pic1): New.
2969
2970         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2971         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2972         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2973         (cc_flags_for_mode, cc_flags_for_code): New.
2974         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2975         overflow flag is not valid.  Validate that the flags we need
2976         for the comparison are valid.
2977         (mn10300_output_cmp): Remove.
2978         (mn10300_output_add): New.
2979         (mn10300_select_cc_mode): Use cc_flags_for_code.
2980         (mn10300_split_cbranch): New.
2981         (mn10300_match_ccmode): New.
2982         (mn10300_split_and_operand_count): New.
2983         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2984         to the function.
2985         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2986         (addsi3): ... here.  Use mn10300_output_add.
2987         (*addsi3_flags): New.
2988         (*am33_subsi3, *mn10300_subsi3): Merge...
2989         (subsi3): ... here.  Use attribute isa.
2990         (*subsi3_flags): New.
2991         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2992         when possible.
2993         (*am33_andsi3, *mn10300_andsi3): Merge...
2994         (andsi3): ... here.
2995         (*andsi3_flags): New.
2996         (andsi3 splitters): New.
2997         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2998         (iorsi3): ... here.
2999         (*iorsi3_flags): New.
3000         (*am33_xorsi3, *mn10300_xorsi3): Merge...
3001         (xorsi3): ... here.
3002         (*xorsi3_flags): New.
3003         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
3004         (one_cmplsi2): ... here.
3005         (*one_cmplsi2_flags): New.
3006         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
3007         instead of "dax" in constraints.  Use mn10300_split_cbranch.
3008         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
3009         use matching constraints to eliminate a self-comparison.
3010         (*integer_conditional_branch): Rename from integer_conditional_branch.
3011         Use int_mode_flags to match CC_REG.
3012         (*cbranchsi4_btst, *btstsi): New.
3013         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3014         mn10300_split_cbranch.
3015         (*am33_cmpsf): Rename from am33_cmpsf.
3016         (*float_conditional_branch): Rename from float_conditional_branch.
3017         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3018         (zero_extendqisi2): ... here.
3019         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3020         (zero_extendhisi2): ... here.
3021         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3022         (extendqisi2): ... here.
3023         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3024         (extendhisi2): ... here.
3025         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3026         (ashlsi3): ... here.
3027         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3028         (lshrsi3): ... here.
3029         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3030         (ashrsi3): ... here.
3031         (consecutive add peephole): Remove.
3032         * config/mn10300/predicates.md (label_ref_operand): New.
3033         (int_mode_flags): New.
3034         (CCZN_comparison_operator): New.
3035
3036         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3037         (throughput_42_latency_43): New reservation.
3038         (mulsidi3, umulsidi3): New expanders.
3039         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3040         the MDR register to allocation; separately allocate the low and
3041         high parts of the DImode result.
3042         (umulsidi3_internal): Similarly.
3043         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3044         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3045         (udivsi3, umodsi3): Remove.
3046         (udivmodsi4, divmodsi4): New expanders.
3047         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3048         (*divmodsi4): Simiarly.
3049         (ext_internal): New.
3050
3051         * config/mn10300/constraints.md ("z"): New constraint.
3052         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3053         (FIXED_REGISTERS): Don't fix MDR.
3054         (CALL_USED_REGSITERS): Reformat nicely.
3055         (REG_ALLOC_ORDER): Add MDR.
3056         (enum regclass): Add MDR_REGS.
3057         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3058         (IRA_COVER_CLASSES): Add MDR_REGS.
3059         (REGNO_REG_CLASS): Handle MDR_REG.
3060         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3061         (mn10300_register_move_cost): Likewise.
3062         * config/mn10300/mn10300.md (MDR_REG): New.
3063         (*movsi_internal): Handle moves to/from MDR_REGS.
3064
3065         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3066         POST_MODIFY.
3067         (mn10300_secondary_reload): Tidy combination reload classes.
3068         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3069         addresses for AM33.  Allow symbolic offsets for reg+imm.
3070         (mn10300_regno_in_class_p): New.
3071         (mn10300_legitimize_reload_address): New.
3072         * config/mn10300/mn10300.h (enum reg_class): Remove
3073         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3074         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3075         SP_OR_GENERAL_REGS.
3076         (REG_CLASS_NAMES): Update to match.
3077         (REG_CLASS_CONTENTS): Likewise.
3078         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3079         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3080         (REGNO_IN_RANGE_P): Remove.
3081         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3082         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3083         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3084         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3085         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3086         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3087         (REGNO_GENERAL_P): New.
3088         (HAVE_POST_MODIFY_DISP): New.
3089         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3090         (LEGITIMIZE_RELOAD_ADDRESS): New.
3091         * config/mn10300/mn10300-protos.h: Update.
3092
3093         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3094         DATA_REGS for AM33 stack-pointer destination.
3095         (mn10300_preferred_output_reload_class): Likewise.
3096         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3097         into a form appropriate for ...
3098         (TARGET_SECONDARY_RELOAD): New.
3099         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3100         * config/mn10300/mn10300-protos.h: Update.
3101         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3102         reload_insi; use the "A" constraint for the scratch; handle AM33
3103         moves of sp to non-address registers.
3104
3105         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3106         (*movqi_internal): ... here.
3107         (*am33_movhi, *mn10300_movhi): Merge into...
3108         (*movhi_internal): ... here.
3109         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3110         as the source/destination of moves from/to SP.
3111         (movsf): Only allow for AM33-2.
3112         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3113         any integer constant constraint.  Only allow for AM33-2.  Tidy
3114         all of the alternative outputs.
3115         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3116         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3117         for MN103.
3118         (udivsi3, umodsi3): New patterns for MN103 only.
3119
3120 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3121
3122         * doc/tm.texi.in: Spell out that a lack of register class unions
3123         can lead to ICEs.
3124         * doc/tm.texi: Regenerate.
3125
3126 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3127
3128         PR rtl-optimization/47337
3129         * dce.c (check_argument_store): New function.
3130         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3131
3132         PR tree-optimization/47290
3133         * tree-eh.c (infinite_empty_loop_p): New function.
3134         (cleanup_empty_eh): Use it.
3135
3136 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3137
3138         PR target/46997
3139         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3140         (a64_expand_widen_sum): Ditto.
3141         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3142         (vec_extract_evenodd_help): Ditto.
3143         (vec_extract_evenv4hi): Ditto.
3144         (vec_extract_oddv4hi): Ditto.
3145         (vec_extract_evenv2si): Ditto.
3146         (vec_extract_oddv2si): Ditto.
3147         (vec_extract_evenv2sf): Ditto.
3148         (vec_extract_oddv2sf): Ditto.
3149         (vec_pack_trunc_v4hi: Ditto.
3150         (vec_pack_trunc_v2si): Ditto.
3151         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3152         (vec_interleave_highv8qi): Ditto.
3153         (mix1_r): Ditto.
3154         (vec_extract_oddv8qi): Ditto.
3155         (vec_interleave_lowv4hi): Ditto.
3156         (vec_interleave_highv4hi): Ditto.
3157         (vec_interleave_lowv2si): Ditto.
3158         (vec_interleave_highv2si): Ditto.
3159
3160 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3161
3162         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3163         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3164         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3165         (pa_c_mode_for_suffix): New.
3166         (TARGET_EXPAND_BUILTIN): Define.
3167         (TARGET_C_MODE_FOR_SUFFIX): Define.
3168         (pa_builtins): Define.
3169         (pa_init_builtins): Register __float128 type and init new support
3170         builtins.
3171         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3172         * config/pa/quadlib.c (_U_Qfcopysign): New.
3173
3174 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3175
3176         PR middle-end/46894
3177         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3178         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3179         are defined.
3180
3181 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3182
3183         PR tree-optimization/47179
3184         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3185         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3186
3187 2011-01-18  Richard Guenther  <rguenther@suse.de>
3188
3189         PR rtl-optimization/47216
3190         * emit-rtl.c: Include tree-flow.h.
3191         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3192         of replicating it with different semantics.
3193         * Makefile.in (emit-rtl.o): Adjust.
3194
3195 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3196
3197         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3198         (cortex_a9_dp): Handle neon types correctly.
3199
3200 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3201
3202         PR rtl-optimization/47299
3203         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3204         subtarget.  Use normal multiplication if both operands are constants.
3205         * expmed.c (expand_widening_mult): Don't try to optimize constant
3206         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3207         before using it.
3208
3209 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3210
3211         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3212         spacing after 'e.g.', typos, comma, hyphenation.
3213
3214 2011-01-17  Richard Henderson  <rth@redhat.com>
3215
3216         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3217         (rx_restricted_mem_operand): New.
3218         (rx_shift_operand): Use register_operand.
3219         (rx_source_operand, rx_compare_operand): Likewise.
3220         * config/rx/rx.md (addsi3_flags): New expander.
3221         (adddi3): Rewrite as expander.
3222         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3223         (subsi3_flags): New expander.
3224         (subdi3): Rewrite as expander.
3225         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3226
3227         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3228         (rx_init_builtins): Remove sat builtin.
3229         (rx_expand_builtin): Likewise.
3230         * config/rx/rx.md (ssaddsi3): New.
3231         (*sat): Rename from sat.  Represent the CC_REG input.
3232
3233         * config/rx/predicates.md (rshift_operator): New.
3234         * config/rx/rx.c (rx_expand_insv): Remove.
3235         * config/rx/rx-protos.h: Update.
3236         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3237         operand to the canonical position.
3238         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3239         (*bitclr, *bitclr_in_memory): Similarly.
3240         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3241         (insv): Retain the zero_extract in the expansion.
3242
3243         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3244         (bswaphi2, bitinvert, revw): Likewise.
3245
3246         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3247         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3248         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3249         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3250         (bitset, bitset_in_memory): Likewise.
3251         (bitinvert, bitinvert_in_memory): Likewise.
3252         (bitclr, bitclr_in_memory): Likewise.
3253         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3254         (rx_strend, rx_cmpstrn): Likewise.
3255         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3256         (bitop peep2 patterns): Remove.
3257
3258         * config/rx/rx.c (rx_match_ccmode): New.
3259         * config/rx/rx-protos.h: Update.
3260         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3261         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3262         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3263         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3264         (fix_truncsfsi2, floatsisf2): Likewise.
3265         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3266         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
3267         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
3268         (*subsi3_flags, *xorsi3_flags): New.
3269
3270         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
3271
3272         * config/rx/rx.c (rx_print_operand): Remove workaround for
3273         unsplit comparison operations.
3274
3275         * config/rx/rx.md (movsicc): Split after reload.
3276         (*movsicc): Merge *movsieq and *movsine via match_operator.
3277         (*stcc): New pattern.
3278
3279         * config/rx/rx.c (rx_float_compare_mode): Remove.
3280         * config/rx/rx.h (rx_float_compare_mode): Remove.
3281         * config/rx/rx.md (cstoresi4): Split after reload.
3282         (*sccc): New pattern.
3283
3284         * config/rx/predicates.md (label_ref_operand): New.
3285         (rx_z_comparison_operator): New.
3286         (rx_zs_comparison_operator): New.
3287         (rx_fp_comparison_operator): New.
3288         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
3289         Validate that the flags are set properly for the comparison.
3290         (rx_gen_cond_branch_template): Remove.
3291         (rx_cc_modes_compatible): Remove.
3292         (mode_from_flags): New.
3293         (flags_from_code): Rename from flags_needed_for_conditional.
3294         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
3295         (rx_select_cc_mode): Likewise.
3296         (rx_split_fp_compare): New.
3297         (rx_split_cbranch): New.
3298         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
3299         (*cbranchsi4): Use match_operator and rx_split_cbranch.
3300         (*cbranchsf4): Similarly.
3301         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
3302         match_operator and rx_split_cbranch.
3303         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
3304         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
3305         (*cmpsi): Rename from cmpsi.
3306         (*tstsi): Rename from tstsi.
3307         (*cmpsf): Rename from cmpsf; use CC_Fmode.
3308         (*conditional_branch): Rename from conditional_branch.
3309         (*reveresed_conditional_branch): Remove.
3310         (b<code>): Remove expander.
3311         * config/rx/rx-protos.h: Update.
3312
3313         * config/rx/rx.c (rx_compare_redundant): Remove.
3314         * config/rx/rx.md (cmpsi): Don't use it.
3315         * config/rx/rx-protos.h: Update.
3316
3317         * config/rx/rx-modes.def (CC_F): New mode.
3318         * config/rx/rx.c (rx_select_cc_mode): New.
3319         * config/rx/rx.h (SELECT_CC_MODE): Use it.
3320         * config/rx/rx-protos.h: Update.
3321
3322 2011-01-17  Richard Henderson  <rth@redhat.com>
3323
3324         * except.c (dump_eh_tree): Fix stray ; after for statement.
3325
3326 2011-01-17  Richard Guenther  <rguenther@suse.de>
3327
3328         PR tree-optimization/47313
3329         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
3330         handling before copying the body.  Properly deal with
3331         by-reference result in SSA form.
3332
3333 2011-01-17  Ian Lance Taylor  <iant@google.com>
3334
3335         PR target/47219
3336         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
3337         (struct_value_alias_set): Don't define.
3338         (sparc_option_override): Don't set sparc_sr_alias_set and
3339         struct_value_alias_set.
3340         (save_or_restore_regs): Use gen_frame_mem rather than calling
3341         set_mem_alias_set.
3342         (sparc_struct_value_rtx): Likewise.
3343
3344 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3345
3346         PR target/47318
3347         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
3348         __m128i.
3349         (_mm_maskstore_pd): Likewise.
3350         (_mm_maskload_ps): Likewise.
3351         (_mm_maskstore_ps): Likewise.
3352         (_mm256_maskload_pd): Change mask to __m256i.
3353         (_mm256_maskstore_pd): Likewise.
3354         (_mm256_maskload_ps): Likewise.
3355         (_mm256_maskstore_ps): Likewise.
3356
3357         * config/i386/i386-builtin-types.def: Updated.
3358         (ix86_expand_special_args_builtin): Likewise.
3359
3360         * config/i386/i386.c (bdesc_special_args): Update
3361         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
3362         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
3363         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
3364         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
3365
3366         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
3367         Use <avxpermvecmode> on mask register.
3368         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
3369
3370 2011-01-17  Olivier Hainque  <hainque@adacore.com>
3371             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
3372             Eric Botcazou  <ebotcazou@adacore.com>
3373
3374         PR target/46655
3375         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
3376         if <= USHRT_MAX in 32-bit mode.
3377
3378 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3379
3380         * doc/install.texi (Configuration, Specific): Wrap long
3381         lines in examples.  Allow line wrapping in long options
3382         and URLs where beneficial for PDF output.
3383
3384 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
3385
3386         * config/mips/mips.c (mips_classify_symbol): Don't return
3387         SYMBOL_PC_RELATIVE for nonlocal labels.
3388
3389 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
3390
3391         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
3392
3393 2011-01-15  Jan Hubicka  <jh@suse.cz>
3394
3395         PR tree-optimization/47276
3396         * ipa.c (function_and_variable_visibility): Do not try to mark alias
3397         declarations as needed.
3398
3399 2011-01-15  Martin Jambor  <mjambor@suse.cz>
3400
3401         * common.opt (fdevirtualize): New flag.
3402         * doc/invoke.texi (Option Summary): Document it.
3403         * opts.c (default_options_table): Add devirtualize flag.
3404         * ipa-prop.c (detect_type_change): Return immediately if
3405         devirtualize flag is not set.
3406         (detect_type_change_ssa): Likewise.
3407         (compute_known_type_jump_func): Likewise.
3408         (ipa_analyze_virtual_call_uses): Likewise.
3409
3410 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3411
3412         PR tree-optimization/45934
3413         PR tree-optimization/46302
3414         * ipa-prop.c (type_change_info): New type.
3415         (stmt_may_be_vtbl_ptr_store): New function.
3416         (check_stmt_for_type_change): Likewise.
3417         (detect_type_change): Likewise.
3418         (detect_type_change_ssa): Likewise.
3419         (compute_complex_assign_jump_func): Check for dynamic type change.
3420         (compute_complex_ancestor_jump_func): Likewise.
3421         (compute_known_type_jump_func): Likewise.
3422         (compute_scalar_jump_functions): Likewise.
3423         (ipa_analyze_virtual_call_uses): Likewise.
3424         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
3425
3426 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3427
3428         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
3429         * config/i386/i386.opt (msse5): New Alias.
3430
3431 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3432
3433         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
3434         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3435         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3436         * config/sparc/sparc.h (CC1_SPEC): Likewise.
3437
3438 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3439
3440         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
3441         -mcpu options.
3442         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3443         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3444         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
3445         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
3446         Likewise.
3447         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
3448
3449 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3450
3451         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
3452
3453 2011-01-14  Mike Stump  <mikestump@comcast.net>
3454
3455         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
3456         * config/fr30/fr30.md: Likweise
3457         (movsi_push): Likewise.
3458         (movsi_pop): Likewise.
3459         (enter_func): Likewise.
3460         * config/moxie/moxie.md (movsi_push): Likewise.
3461         (movsi_pop): Likewise.
3462
3463 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3464
3465         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
3466         %{no_archive} %{exact_version}.
3467         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
3468         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
3469         %{no_archive} %{exact_version}.
3470         * config/mips/openbsd.h (LINK_SPEC): Likewise.
3471         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
3472         * config/mips/vxworks.h: Likewise.
3473
3474 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3475
3476         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
3477
3478 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3479
3480         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
3481         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
3482
3483 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3484
3485         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
3486         -nodefaultlib.
3487
3488 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3489
3490         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
3491         for mcpu not cpu.
3492         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
3493         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
3494         not cpu.
3495         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
3496         Don't handle -shlib.
3497
3498 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3499
3500         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
3501         (CC1_SPEC): Don't handle -profile.
3502
3503 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3504
3505         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
3506         * config/mips/mips.h (CC1_SPEC): Likewise.
3507
3508 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3509
3510         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
3511         * config/mips/mips.h (CC1_SPEC): Likewise.
3512
3513 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3514
3515         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
3516         * config/m32r/linux.h (LINK_SPEC): Likewise.
3517         * config/mips/linux.h (LINK_SPEC): Likewise.
3518         * config/mips/linux64.h (LINK_SPEC): Likewise.
3519         * config/sparc/linux.h (LINK_SPEC): Likewise.
3520         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3521         LINK_SPEC): Likewise.
3522         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3523
3524 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3525
3526         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3527         %{version:-v}.
3528         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3529
3530 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3531
3532         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3533         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3534
3535 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3536
3537         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3538
3539 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3540
3541         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3542         supports -Bstatic/-Bdynamic.
3543         * configure: Regenerate.
3544
3545 2011-01-14  Jan Hubicka  <jh@suse.cz>
3546             Jack Howarth  <howarth@bromo.med.uc.edu>
3547
3548         PR target/46037
3549         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3550         when checking debug_info_level. Test write_symbols instead of
3551         debug_hooks->var_location when setting flag_var_tracking_uninit.
3552
3553 2011-01-14  Richard Guenther  <rguenther@suse.de>
3554
3555         PR tree-optimization/47179
3556         * target.def (ref_may_alias_errno): New target hook.
3557         * targhooks.h (default_ref_may_alias_errno): Declare.
3558         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3559         (default_ref_may_alias_errno): New function.
3560         * target.h (struct ao_ref_s): Declare.
3561         * tree-ssa-alias.c: Include target.h.
3562         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3563         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3564         (targhooks.o): Likewise.
3565         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3566         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3567
3568 2011-01-14  Richard Guenther  <rguenther@suse.de>
3569
3570         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3571
3572 2011-01-14  Richard Guenther  <rguenther@suse.de>
3573
3574         PR tree-optimization/47280
3575         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3576         return CFG changes.
3577         (tree_ssa_forward_propagate_single_use_vars): Deal with
3578         CFG changes from associate_plusminus.
3579
3580 2011-01-14  Richard Guenther  <rguenther@suse.de>
3581
3582         PR middle-end/47281
3583         Revert
3584         2011-01-11  Richard Guenther  <rguenther@suse.de>
3585
3586         PR tree-optimization/46076
3587         * tree-ssa.c (useless_type_conversion_p): Conversions from
3588         unprototyped to empty argument list function types are useless.
3589
3590 2011-01-14  Richard Guenther  <rguenther@suse.de>
3591
3592         PR tree-optimization/47286
3593         * tree-ssa-structalias.c (new_var_info): Register variables are global.
3594
3595 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3596
3597         PR middle-end/46823
3598         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
3599
3600 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
3601
3602         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
3603         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3604         * config/xtensa/xtensa.c (xtensa_libcall_value,
3605         xtensa_function_value_regno_p): New functions.
3606         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
3607
3608 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
3609
3610         PR c++/47213
3611         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
3612         PE specific hook.
3613         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
3614         New function prototype.
3615         * config/i386/winnt.c (i386_pe_assemble_visibility):
3616         Warn only if attribute was specified by user.
3617
3618 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3619
3620         PR target/47251
3621         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
3622         floating point.
3623         (floatunsdidf2_fcfidu): Ditto.
3624
3625 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3626
3627         * config/s390/s390.c (print_operand_address): Replace 'error' with
3628         'output_operand_lossage'.
3629         (print_operand): Likewise.
3630
3631 2011-01-13  Jeff Law  <law@redhat.com>
3632
3633         PR rtl-optimization/39077
3634         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
3635         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
3636         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
3637         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
3638         * gcse.c (prune_insertions_deletions): New function.
3639         (compute_pre_data): Use it.
3640
3641 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
3642
3643         PR debug/PR46973
3644         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3645         static function.
3646         (prune_unused_types_mark): Use it.
3647
3648 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
3649
3650         PR rtl-optimization/45352
3651         * sel-sched.c: Update copyright years.
3652         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3653         in the advancing loop when we have issued issue_rate insns.
3654
3655 2011-01-12  Richard Henderson  <rth@redhat.com>
3656
3657         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3658         (TARGET_MD_ASM_CLOBBERS): New.
3659
3660         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3661         (TARGET_DELEGITIMIZE_ADDRESS): New.
3662
3663         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3664         (clzsi2, *bsch): New patterns.
3665
3666         * config/mn10300/mn10300.md (INT): New mode iterator.
3667         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3668
3669         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3670         flag_split_wide_types.
3671
3672         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3673         (mn10300_trampoline_init): Rewrite without a template, an immediate
3674         load and a direct branch.
3675         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3676
3677 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3678
3679         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3680         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3681         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3682         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3683
3684 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3685
3686         PR debug/47209
3687         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3688         of type.
3689
3690 2011-01-12  Jan Hubicka  <jh@suse.cz>
3691
3692         PR driver/47244
3693         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3694         (PLUGIN_COND_CLOSE): New macro.
3695         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3696
3697 2011-01-12  Richard Guenther  <rguenther@suse.de>
3698
3699         PR lto/47259
3700         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3701         register variables in a MEM_REF.
3702
3703 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3704
3705         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3706         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3707         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3708         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3709         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3710         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3711         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3712         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3713         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3714         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3715         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3716         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3717         * config/gnu-user.h: New.  Copied from linux.h.
3718         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3719         GNU_USER_TARGET_STARTFILE_SPEC.
3720         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3721         GNU_USER_TARGET_ENDFILE_SPEC.
3722         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3723         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3724         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3725         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3726         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3727         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3728         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3729         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3730         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3731         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3732         * config/arm/linux-eabi.h (CC1_SPEC): Use
3733         GNU_USER_TARGET_CC1_SPEC.
3734         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3735         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3736         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3737         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3738         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3739         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3740         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3741         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3742
3743 2011-01-12  Richard Guenther  <rguenther@suse.de>
3744
3745         PR other/46946
3746         * doc/invoke.texi (ffast-math): Document it is turned on
3747         with -Ofast.
3748
3749 2011-01-12  Jan Hubicka  <jh@suse.cz>
3750
3751         PR tree-optimization/47233
3752         * opts.c (common_handle_option): Disable ipa-reference with profile
3753         feedback.
3754
3755 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3756
3757         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3758         error message.
3759
3760 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3761
3762         * c-parser.c (c_lex_one_token): Updated and reindented some
3763         comments.  No changes in code.
3764
3765 2011-01-11  Ian Lance Taylor  <iant@google.com>
3766
3767         * godump.c (go_output_var): Don't output the variable if there is
3768         already a type with the same name.
3769
3770 2011-01-11  Ian Lance Taylor  <iant@google.com>
3771
3772         * godump.c (go_format_type): Don't generate float80.
3773
3774 2011-01-11  Richard Henderson  <rth@redhat.com>
3775
3776         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3777         declaration.  Rewrite for both speed and size.
3778         (mn10300_address_cost_1): Remove.
3779         (mn10300_register_move_cost): New.
3780         (mn10300_memory_move_cost): New.
3781         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3782         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3783         extensions, shifts, BSWAP, CLZ.
3784         (mn10300_wide_const_load_uses_clr): Remove.
3785         (TARGET_REGISTER_MOVE_COST): New.
3786         (TARGET_MEMORY_MOVE_COST): New.
3787         * config/mn10300/mn10300-protos.h: Update.
3788         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3789
3790         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3791         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3792         * config/mn10300/mn10300-protos.h: Update.
3793         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3794         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3795         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3796         (*test_int_bitfield, *test_byte_bitfield): Remove.
3797         (*bit_test, *subreg_bit_test): Remove.
3798         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3799
3800         * config/mn10300/constraints.md ("c"): Rename from "A".
3801         ("A", "D"): New constraint letters.
3802         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3803         (fmssf4, fnmasf4, fnmssf4): Likewise.
3804
3805         * config/mn10300/mn10300.md (isa): New attribute.
3806         (enabled): New attribute.
3807
3808         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3809         (abssf2, negsf2): Define only for hardware fp.
3810         (sqrtsf2): Reformat.
3811         (addsf3, subsf3, mulsf3): Merge expander and insn.
3812
3813         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3814         (DEBUGGER_AUTO_OFFSET): Remove.
3815         (DEBUGGER_ARG_OFFSET): Remove.
3816
3817         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3818         Emit register stores with the same offsets as the hardware.
3819         (mn10300_store_multiple_operation): Don't check that the register
3820         save offsets are monotonic.
3821         * config/mn10300/mn10300-protos.h: Update.
3822
3823         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3824
3825         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3826         in terms of the value on the stack, not the MDR register.
3827
3828 2011-01-11  Jan Hubicka  <jh@suse.cz>
3829
3830         PR lto/45721
3831         PR lto/45375
3832         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3833         (symbol_alias_set_destroy, symbol_alias_set_contains,
3834         propagate_aliases_backward): Declare.
3835         * lto-streamer-out.c (struct sets): New sturcture.
3836         (trivally_defined_alias): New function.
3837         (output_alias_pair_p): Rewrite.
3838         (output_unreferenced_globals): Fix output of alias pairs.
3839         (produce_symtab): Likewise.
3840         * ipa.c (function_and_variable_visibility): Set weak alias destination
3841         as needed in lto.
3842         * varasm.c (symbol_alias_set_t): Remove.
3843         (symbol_alias_set_destroy): Export.
3844         (propagate_aliases_forward, propagate_aliases_backward): New functions
3845         based on ...
3846         (compute_visible_aliases): ... this one; remove.
3847         (trivially_visible_alias): New
3848         (trivially_defined_alias): New.
3849         (remove_unreachable_alias_pairs): Rewrite.
3850         (finish_aliases_1): Reorganize code checking if alias is defined.
3851         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3852         in LTO mode.
3853
3854 2011-01-11  Richard Guenther  <rguenther@suse.de>
3855
3856         PR tree-optimization/46076
3857         * tree-ssa.c (useless_type_conversion_p): Conversions from
3858         unprototyped to empty argument list function types are useless.
3859
3860 2011-01-11  Richard Guenther  <rguenther@suse.de>
3861
3862         PR middle-end/45235
3863         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3864         volatile MEMs as MEM_READONLY_P.
3865
3866 2011-01-11  Richard Guenther  <rguenther@suse.de>
3867
3868         PR tree-optimization/47239
3869         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3870
3871 2011-01-11  Jeff Law  <law@redhat.com>
3872
3873         PR tree-optimization/47086
3874         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3875         IVs from statements that might throw.
3876
3877 2011-01-10  Jan Hubicka  <jh@suse.cz>
3878
3879         PR lto/45375
3880         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3881
3882 2011-01-10  Jan Hubicka  <jh@suse.cz>
3883
3884         PR lto/45375
3885         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3886         when correcting profile.
3887
3888 2011-01-10  Jan Hubicka  <jh@suse.cz>
3889
3890         PR lto/46083
3891         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3892         DECL_FINI_PRIORITY.
3893         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3894         Restore DECL_FINI_PRIORITY.
3895
3896 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3897
3898         * doc/gimple.texi: Fix quoting of multi-word return values in
3899         @deftypefn statements.  Ensure presence of return value.  Wrap
3900         overlong @deftypefn lines.
3901         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3902         descriptions of removed functions.
3903         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3904         of multi-word return value in @deftypefn statement.
3905
3906 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3907
3908         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3909         (Conditional Expressions, Logical Operators)
3910         (Statement and operand traversals): Do not indent smallexample
3911         code.  Fix duplicate function argument in example.
3912
3913 2011-01-10  Jeff Law  <law@redhat.com>
3914
3915         PR tree-optimization/47141
3916         * ipa-split.c (split_function): Handle case where we are
3917         returning a value and the return block has a virtual operand phi.
3918
3919 2011-01-10  Jan Hubicka  <jh@suse.cz>
3920
3921         PR tree-optimization/47234
3922         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3923         (pass_feedback_split_functions): Declare.
3924         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3925         tree-profile.
3926         * ipa-split.c (gate_split_functions): Update comments; disable
3927         split-functions for profile_arc_flag and branch_probabilities.
3928         (gate_feedback_split_functions): New function.
3929         (execute_feedback_split_functions): New function.
3930         (pass_feedback_split_functions): New global var.
3931
3932 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3933
3934         PR lto/46760
3935         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3936         calling gimple_call_set_cannot_inline.
3937
3938 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3939
3940         * config/darwin-sections.def: Remove unused section.
3941
3942 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3943
3944         PR c++/47218
3945         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3946
3947 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3948
3949         PR objc/47232
3950         * c-parser.c (c_parser_declaration_or_fndef): Improved
3951         error message.
3952
3953 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3954
3955         * config/i386/winnt.c (i386_pe_start_function): Make sure
3956         to switch back to function's section.
3957
3958 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3959
3960         PR gcc/46902
3961         PR testsuite/46912
3962         * plugin.c: Move include of dlfcn.h from here...
3963         * system.h: ... to here.
3964
3965 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3966
3967         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3968         file name.
3969         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3970         two extra empty pages in PDF output.
3971
3972 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3973
3974         PR objc/47078
3975         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3976         for error recovery purposes behave as if it was not specified so
3977         that the default type is usd.
3978
3979 2011-01-07  Jan Hubicka  <jh@suse.cz>
3980
3981         PR tree-optmization/46469
3982         * ipa.c (function_and_variable_visibility): Clear needed flags on
3983         nodes with external decls; handle weakrefs merging correctly.
3984
3985 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3986
3987         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3988         not false.
3989
3990 2011-01-07  Jan Hubicka  <jh@suse.cz>
3991
3992         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3993         and no longer claim that gold is required for linker plugin.
3994         * configure: Regenerate.
3995         * gcc.c (PLUGIN_COND): New macro.
3996         (LINK_COMMAND_SPEC): Use it.
3997         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3998         * config.in (HAVE_LTO_PLUGIN): New.
3999         * configure.ac (--with-lto-plugin): New parameter; autodetect
4000         HAVE_LTO_PLUGIN.
4001
4002 2011-01-07  Jan Hubicka  <jh@suse.cz>
4003
4004         PR tree-optimization/46367
4005         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
4006         when we can update original.
4007         (cgraph_mark_inline_edge): Sanity check.
4008         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
4009
4010 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4011
4012         * config/spu/spu.h (ASM_COMMENT_START): Define.
4013
4014 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4015
4016         PR driver/42445
4017         * gcc.c (%>S): New.
4018         (SWITCH_KEEP_FOR_GCC): Likewise.
4019         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
4020         (do_spec_1): Handle "%>".
4021
4022         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
4023
4024 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
4025
4026         PR target/47201
4027         * config/i386/i386.c (ix86_delegitimize_address): If
4028         simplify_gen_subreg fails, return orig_x.
4029
4030         PR bootstrap/47187
4031         * value-prof.c (gimple_stringop_fixed_value): Handle
4032         lhs of the call properly.
4033
4034 2011-01-07  Jan Hubicka  <jh@suse.cz>
4035
4036         PR lto/45375
4037         * lto-opt.c (lto_reissue_options): Set flag_shlib.
4038
4039 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4040
4041         * target.def (function_switched_text_sections): New hook.
4042         * doc/tm.texi: Regenerated.
4043         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4044         * final.c (default_function_switched_text_sections): New.
4045         (final_scan_insn): Call function_switched_text_sections when a
4046         mid-function section change occurs.
4047         * output.h (default_function_switched_text_sections): Declare.
4048         * config/darwin-protos.h (darwin_function_switched_text_sections):
4049         Likewise.
4050         * config/darwin.c (darwin_function_switched_text_sections): New.
4051         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4052
4053 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4054
4055         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
4056         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
4057         the secondary code fragment when outputting for DWARF == 2.
4058
4059 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
4060
4061         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4062         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
4063         Remove.
4064         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
4065         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4066
4067 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
4068
4069         PR debug/46704
4070         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
4071         when it is not empty.
4072
4073 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
4074
4075         Bobcat Enablement
4076         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
4077         (case ${target}): Add btver1.
4078         * config/i386/driver-i386.c (host_detect_local_cpu): Let
4079         -march=native recognize btver1 processors.
4080         * config/i386/i386-c.c (ix86_target_macros_internal): Add
4081         btver1 def_and_undef
4082         * config/i386/i386.c (struct processor_costs btver1_cost): New
4083         btver1 cost table.
4084         (m_BTVER1): New definition.
4085         (m_AMD_MULTIPLE): Includes m_BTVER1.
4086         (initial_ix86_tune_features): Add btver1 tune.
4087         (processor_target_table): Add btver1 entry.
4088         (static const char *const cpu_names): Add btver1 entry.
4089         (software_prefetching_beneficial_p): Add btver1.
4090         (ix86_option_override_internal): Add btver1 instruction sets.
4091         (ix86_issue_rate): Add btver1.
4092         (ix86_adjust_cost): Add btver1.
4093         * config/i386/i386.h (TARGET_BTVER1): New definition.
4094         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
4095         (enum processor_type): Add PROCESSOR_BTVER1.
4096         * config/i386/i386.md (define_attr "cpu"): Add btver1.
4097
4098 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4099
4100         PR target/43309
4101         * config/i386/i386.c (legitimize_tls_address)
4102         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
4103         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
4104         (tls_initial_exec_64_sun): New pattern.
4105
4106 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4107
4108         * doc/invoke.texi (Overall Options): Improve wording and markup
4109         of the description of -wrapper.
4110
4111 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4112
4113         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
4114         rdynamic, threads): New Driver options.
4115
4116 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4117
4118         PR target/38118