darwin.h (SECTION_NO_ANCHOR): Remove.
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
2
3         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
4         * config/darwin.c (SECTION_NO_ANCHOR): Define.
5         (darwin_init_sections): Remove assertion.
6
7 2011-02-03  Nick Clifton  <nickc@redhat.com>
8
9         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
10         lt and ge.
11         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than
12         CC_ZSOmode.
13         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
14         instead of "n" and "pz".
15         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
16         CC_FLAG_S.
17
18 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
19
20         PR target/47312
21         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
22         fma, expand FMA_EXPR as fma{,f,l} call.
23
24         PR lto/47274
25         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
26         copy them into a unsigned char variable and pass address of it to
27         lto_output_data_stream.
28
29         PR target/47564
30         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
31         around backend_init_target and lang_dependent_init_target calls.
32         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
33         (verify_cgraph_node): Don't call set_cfun here.  Use
34         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
35         Set error_found for incorrectly represented calls to thunks.
36
37 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
38
39         PR debug/43092
40         PR rtl-optimization/43494
41         * rtl.h (for_each_inc_dec_fn): New type.
42         (for_each_inc_dec): Declare.
43         * rtlanal.c (struct for_each_inc_dec_ops): New type.
44         (for_each_inc_dec_find_inc_dec): New fn.
45         (for_each_inc_dec_find_mem): New fn.
46         (for_each_inc_dec): New fn.
47         * dse.c (struct insn_size): Remove.
48         (replace_inc_dec, replace_inc_dec_mem): Remove.
49         (emit_inc_dec_insn_before): New fn.
50         (check_for_inc_dec): Use it, along with for_each_inc_dec.
51         (canon_address): Pass mem modes to cselib_lookup.
52         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
53         (cselib_lookup_from_insn): Likewise.
54         (cselib_subst_to_values): Likewise.
55         * cselib.c (find_slot_memmode): New var.
56         (cselib_find_slot): New fn.  Use it instead of
57         htab_find_slot_with_hash everywhere.
58         (entry_and_rtx_equal_p): Use find_slot_memmode.
59         (autoinc_split): New fn.
60         (rtx_equal_for_cselib_p): Rename and implement in terms of...
61         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
62         Deal with autoinc.  Special-case recursion into MEMs.
63         (cselib_hash_rtx): Likewise.
64         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
65         address and MEM modes.
66         (cselib_subst_to_values): Add memmode, pass it on.
67         Deal with autoinc.
68         (cselib_lookup): Add memmode argument, pass it on.
69         (cselib_lookup_from_insn): Add memmode.
70         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
71         (struct cselib_record_autoinc_data): New.
72         (cselib_record_autoinc_cb): New fn.
73         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
74         mode to cselib_lookup.  Reset autoinced REGs here instead of...
75         (cselib_process_insn): ... here.
76         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
77         to cselib_lookup.
78         (add_uses): Likewise, also to cselib_subst_to_values.
79         (add_stores): Likewise.
80         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
81         cselib_subst_to_values.
82         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
83         * gcse.c (do_local_cprop): Adjusted.
84         * postreload.c (reload_cse_simplify_set): Adjusted.
85         (reload_cse_simplify_operands): Adjusted.
86         * sel-sched-dump (debug_mem_addr_value): Pass mode.
87
88 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
89
90         PR tree-optimization/45122
91         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
92         unsafe assumptions when there's more than one loop exit.
93
94 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
95
96         PR target/47272
97         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
98         Document using vector double with the load/store builtins, and
99         that the load/store builtins always use Altivec instructions.
100
101         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
102         to use altivec memory instructions, even on VSX.
103         (vector_altivec_store_<mode>): Ditto.
104
105         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
106         function.
107
108         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
109         V2DF, V2DI support to load/store overloaded builtins.
110
111         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
112         altivec load/store builtins for V2DF/V2DI types.
113
114         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
115         set avoid indexed addresses on power6 if -maltivec.
116         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
117         vector_altivec_load/vector_altivec_store builtins.
118         (altivec_expand_st_builtin): Ditto.
119         (altivec_expand_builtin): Add VSX memory builtins.
120         (rs6000_init_builtins): Add V2DI types to internal types.
121         (altivec_init_builtins): Add support for V2DF/V2DI altivec
122         load/store builtins.
123         (rs6000_address_for_altivec): Insure memory address is appropriate
124         for Altivec.
125
126         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
127         vec_vsx_ld and vec_vsx_st.
128         (vsx_store_<mode>): Ditto.
129
130         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
131         variables to hold long long types for VSX vector memory builtins.
132         (RS6000_BTI_unsigned_long_long): Ditto.
133         (long_long_integer_type_internal_node): Ditti.
134         (long_long_unsigned_type_internal_node): Ditti.
135
136         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
137         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
138         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
139
140         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
141         short cuts.
142         (vec_vsx_st): Ditto.
143
144 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
145
146         * config/pa/pa-hpux10.opt: New.
147         * config/hpux11.opt (pthread): New Driver option.
148         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
149         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
150
151 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
152
153         * config/ia64/vms.opt: New.
154         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
155
156 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
157
158         PR target/47580
159         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
160         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
161         generator functions.
162         (vsx_floatuns<VSi><mode>2): Ditto.
163         (vsx_fix_trunc<mode><VSi>2): Ditto.
164         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
165
166 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
167
168         * config/i386/djgpp.opt (posix): New Driver option.
169
170 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
171
172         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
173         Move to the unsupported targets list.
174
175 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
176
177         PR rtl-optimization/47525
178         * df-scan.c: Update copyright years.
179         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
180         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
181
182 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
183
184         * config/i386/sysv4.h (TARGET_VERSION): Remove.
185         (SUBTARGET_RETURN_IN_MEMORY): Remove.
186         (ASM_OUTPUT_ASCII): Remove.
187         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
188
189 2011-02-02  Jeff Law  <law@redhat.com>
190
191         PR middle-end/47543
192         * reload.c (find_reloads_address): Handle reg+d address where both
193         components are invalid by reloading the entire address.
194
195 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
196             Richard Guenther  <rguenther@suse.de>
197
198         PR tree-optimization/40979
199         PR bootstrap/47044
200         * passes.c (init_optimization_passes): After LIM call copy_prop
201         and DCE to clean up.
202         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
203
204 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
205
206         PR tree-optimization/47576
207         PR tree-optimization/47555
208         * doc/invoke.texi (scev-max-expr-complexity): Documented.
209         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
210         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
211         * tree-scalar-evolution.c (follow_ssa_edge): Use
212         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
213
214 2011-02-02  Richard Guenther  <rguenther@suse.de>
215
216         PR tree-optimization/47566
217         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
218
219 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
220
221         PR debug/47106
222         PR debug/47402
223         * tree-inline.c (declare_return_variable): Remove unused caller
224         variable.
225
226         PR debug/47106
227         PR debug/47402
228         * tree-flow-inline.h (clear_is_used, is_used_p): New.
229         * cfgexpand.c (account_used_vars_for_block): Use them.
230         * tree-nrv.c (tree_nrv): Likewise.
231         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
232         (dump_scope_block): Likewise.
233         (remove_unused_locals): Likewise.
234
235         PR debug/47106
236         PR debug/47402
237         * tree-inline.c (declare_return_variable): Add result decl to
238         local decls only once.
239         * gimple-low.c (record_vars_into): Mark newly-created variables
240         as referenced.
241
242 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
243
244         PR debug/47498
245         PR debug/47501
246         PR debug/45136
247         PR debug/45130
248         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
249         debug insns.
250         (no_real_insns_p, schedule_block, set_priorities): Drop special
251         treatment of boundary debug insns.
252         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
253         insns.
254         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
255         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
256         (BOUNDARY_DEBUG_INSN_P): Likewise.
257         (SCHEDULE_DEBUG_INSN_P): Likewise.
258         * sched-rgn.c (init_ready_list): Drop special treatment of
259         boundary debug insns.
260         * final.c (rest_of_clean_state): Clear notes' BB.
261
262 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
263
264         * config/openbsd.opt (assert=): New Driver option.
265
266 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
267
268         * config/i386/nto.opt: New.
269         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
270
271 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
272
273         * config/i386/netware.opt: New.
274         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
275
276 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
277
278         * config/interix.opt (posix): New Driver option.
279
280 2011-02-01  DJ Delorie  <dj@redhat.com>
281
282         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
283
284         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
285         class for A0/A1.
286
287 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
288
289         PR tree-optimization/47561
290         * toplev.c (process_options): Print the Graphite flags.  Add
291         flag_loop_flatten to the list of options requiring Graphite.
292
293 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
294
295         * config/i386/cygming.opt (posix): New Driver option.
296
297 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
298
299         * config/arm/vxworks.opt: New.
300         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
301
302 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
303
304         * config/alpha/elf.opt: New.
305         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
306         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
307
308 2011-02-01  Richard Guenther  <rguenther@suse.de>
309
310         PR tree-optimization/47559
311         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
312         store-motion on references that can throw.
313
314 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
315
316         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
317         * tree-pass.h (TDF_CSELIB): New macro.
318         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
319         cselib_lookup): Check for it rather than for TDF_DETAILS.
320
321 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
322
323         PR driver/47547
324         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
325         is HOST_BIT_BUCKET.
326
327         * opts.c (finish_options): Don't add x_aux_base_name if it is
328         HOST_BIT_BUCKET.
329
330 2011-02-01  Richard Guenther  <rguenther@suse.de>
331
332         PR tree-optimization/47555
333         Revert
334         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
335
336         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
337
338 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
339
340         PR gcc/46692
341         * config/lm32/t-lm32: Add multilib for all CPU options.
342
343 2011-02-01  Richard Guenther  <rguenther@suse.de>
344
345         PR tree-optimization/47541
346         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
347         sure to have a field at offset zero.
348
349 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
350
351         * config/arc/arc.opt (EB, EL): New Driver options.
352
353 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
354
355         * config/alpha/osf5.opt: New.
356         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
357
358 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
359
360         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
361
362 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
363
364         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
365         -floop-interchange.
366         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
367         is an alias of -floop-interchange and that it requires the
368         Graphite infrastructure.
369         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
370         flag_loop_interchange based on the value of flag_tree_loop_linear.
371
372 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
373             Richard Guenther  <rguenther@suse.de>
374
375         PR tree-optimization/47538
376         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
377         type instead of r1type, except for comparisons.  For right
378         shifts and comparisons punt if there are mismatches in
379         sizetype vs. non-sizetype types.
380
381 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
382
383         * doc/sourcebuild.texi (Effective-Target Keywords): Document
384         avx_runtime.
385
386 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
387
388         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
389         version number.
390         * configure: Regenerate.
391
392 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
393
394         * configure.ac (gcc_cv_ld_static_option): Define.
395         (gcc_cv_ld_dynamic_option): Define.
396         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
397         instead.
398         (HAVE_LD_STATIC_DYNAMIC): Update message.
399         (LD_STATIC_OPTION): Define.
400         (LD_DYNAMIC_OPTION): Define.
401         * configure: Regenerate.
402         * config.in: Regenerate.
403         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
404         HAVE_LD_STATIC_DYNAMIC]: Use them.
405
406 2011-01-31  Nick Clifton  <nickc@redhat.com>
407
408         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
409         registers inside interrupt handlers if the handler is not a leaf
410         function.
411
412 2011-01-31  Nick Clifton  <nickc@redhat.com>
413
414         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
415         reg_renumber returning an INVALID_REGNUM.
416
417 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
418
419         PR libgcj/44341
420         * doc/install.texi: Document host options discarded when cross
421         configuring target libraries.
422
423 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
424
425         Reverted:
426         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
427         PR debug/45136
428         PR debug/45130
429         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
430         debug insns.
431         (no_real_insns_p, schedule_block, set_priorities): Drop special
432         treatment of boundary debug insns.
433         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
434         insns.
435         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
436         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
437         (BOUNDARY_DEBUG_INSN_P): Likewise.
438         (SCHEDULE_DEBUG_INSN_P): Likewise.
439         * sched-rgn.c (init_ready_list): Drop special treatment of
440         boundary debug insns.
441         * final.c (rest_of_clean-state): Clear notes' BB.
442
443 2011-01-31  Alan Modra  <amodra@gmail.com>
444
445         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
446         toc relative expressions as we do in print_operand_address.
447
448 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
449
450         * doc/extend.texi: Follow spelling conventions.
451         * doc/invoke.texi: Fix a typo.
452
453 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
454
455         * config/hpux11.opt: New.
456         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
457         ia64*-*-hpux*): Use hpux11.opt.
458
459 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
460
461         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
462         to tmake_file.
463
464 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
465
466         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
467         support sites.
468
469 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
470
471         * doc/install.texi (Binaries): Remove outdated reference for
472         Motorola 68HC11/68HC12 downloads.
473
474 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
475
476         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
477         Drepper's paper.
478
479 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
480
481         PR bootstrap/47147
482         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
483         used by NetBSD.
484
485 2011-01-28  Ahmad Sharif <asharif@google.com>
486
487         * value-prof.c (check_counter): Corrected error message.
488
489 2011-01-29  Jie Zhang  <jie@codesourcery.com>
490
491         * config/arm/arm.c (arm_legitimize_reload_address): New.
492         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
493         arm_legitimize_reload_address.
494         * config/arm/arm-protos.h (arm_legitimize_reload_address):
495         Declare.
496
497 2011-01-28  Ian Lance Taylor  <iant@google.com>
498
499         * godump.c (go_define): Ignore macros whose definitions include
500         two adjacent operands.
501
502 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
503
504         PR target/42894
505         * varasm.c (force_const_mem): Store copy of x in desc->constant
506         instead of x itself.
507         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
508         itself into REG_EQUAL note.
509
510 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
511
512         * config/freebsd.opt (posix, rdynamic): New Driver options.
513
514 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
515
516         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
517         -Bstatic/-Bdynamic.
518         * configure: Regenerate.
519
520 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
521
522         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
523         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
524
525 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
526
527         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
528         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
529         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
530         (s390_preferred_reload_class): Make static. Change return and
531         'rclass' argument type to reg_class_t.
532
533 2011-01-27  Jan Hubicka  <jh@suse.cz>
534
535         PR middle-end/46949
536         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
537         (process_function_and_variable_attributes): Check defined weakrefs.
538
539 2011-01-27  Martin Jambor  <mjambor@suse.cz>
540
541         PR tree-optimization/47228
542         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
543         build_ref_for_offset.
544
545 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
546
547         * config/spu/spu-elf.h (ASM_SPEC): Remove.
548
549 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
550
551         PR rtl-optimization/46856
552         * postreload.c (reload_combine_recognize_const_pattern): Do not
553         separate cc0 setter and user on cc0 targets.
554
555 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
556
557         PR c/43082
558         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
559         passed a VOID_TYPE expression, immediately emit an error and
560         return error_mark_node.
561
562 2011-01-26  Jeff Law  <law@redhat.com>
563
564         PR rtl-optimization/47464
565         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
566         rather than may_trap_p as needed.
567
568 2011-01-26  DJ Delorie  <dj@redhat.com>
569
570         PR rtl-optimization/46878
571         * combine.c (insn_a_feeds_b): Check for the implicit cc0
572         setter/user dependency as well.
573
574 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
575
576         PR rtl-optimization/44469
577         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
578         after removing trivially dead basic blocks.
579
580 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
581
582         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
583         * config/frv/frv.h (LINK_SPEC): Likewise.
584         * config/i386/netware.h (LINK_SPEC): Likewise.
585         * config/m68k/linux.h (ASM_SPEC): Likewise.
586         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
587         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
588         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
589         * config/sparc/linux.h (ASM_SPEC): Likewise.
590         * config/sparc/linux64.h (ASM_SPEC): Likewise.
591         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
592
593 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
594
595         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
596         * config/frv/frv.h (ASM_SPEC): Likewise.
597         * config/m68k/linux.h (ASM_SPEC): Likewise.
598         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
599         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
600         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
601         * config/sparc/linux.h (ASM_SPEC): Likewise.
602         * config/sparc/linux64.h (ASM_SPEC): Likewise.
603         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
604
605 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
606
607         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
608         * config/frv/frv.h (LINK_SPEC): Likewise.
609         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
610
611 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
612
613         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
614         * config/frv/frv.h (ASM_SPEC): Likewise.
615         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
616         * config/m68k/linux.h (ASM_SPEC): Likewise.
617         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
618         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
619         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
620         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
621         * config/sparc/linux.h (ASM_SPEC): Likewise.
622         * config/sparc/linux64.h (ASM_SPEC): Likewise.
623         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
624         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
625
626 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
627
628         PR target/46997
629         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
630         (*mux2): Ditto.
631         (vec_extract_evenodd_help): Ditto.
632         (vec_extract_evenv4hi): Ditto.
633         (vec_extract_oddv4hi): Ditto.
634         (vec_interleave_lowv2si): Ditto.
635         (vec_interleave_highv2si): Ditto.
636         (vec_extract_evenv2si): Ditto.
637         (vec_extract_oddv2si: Ditto.
638         (vec_pack_trunc_v2si): Ditto.
639
640 2011-01-22  Jan Hubicka  <jh@suse.cz>
641
642         PR target/47237
643         * cgraph.h (cgraph_local_info): New field can_change_signature.
644         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
645         signature can change.
646         (ipcp_estimate_growth): Call sequence simplify only if calle signature
647         can change.
648         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
649         (cgraph_function_versioning): We can not change signature of functions
650         that don't allow that.
651         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
652         (lto_input_node): Likewise.
653         * ipa-inline.c (compute_inline_parameters): Compute local.can_change_signature.
654         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
655         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on functions
656         that can not change signature.
657         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
658         init_cumulative_args): Do not use local calling conventions for functions
659         that can not change signature.
660
661 2011-01-22  Jan Hubicka  <jh@suse.cz>
662
663         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
664
665 2011-01-26  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/47190
668         * cgraphunit.c (process_common_attributes): New function.
669         (process_function_and_variable_attributes): Use it.
670
671 2011-01-26  Richard Guenther  <rguenther@suse.de>
672
673         PR lto/47423
674         * cgraphbuild.c (record_eh_tables): Record reference to personality
675         function.
676
677 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
678
679         PR debug/45454
680         * sel-sched.c (moveup_expr): Don't let debug insns prevent
681         non-debug insns from moving up.
682
683 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
684
685         PR target/40125
686         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
687         t-dlldir{,-x} fragment for build and add it to tmake_file.
688         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
689         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
690         * config/i386/t-dlldir: New file.
691         (SHLIB_DLLDIR): Define.
692         * config/i386/t-dlldir-x: New file.
693         (SHLIB_DLLDIR): Define.
694         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
695         (SHLIB_INSTALL): Use it.
696
697 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
698
699         PR target/47246
700         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
701         lower bound of the allowed Thumb-2 coprocessor load/store
702         index range to -256. Add explaining comment.
703
704 2011-01-25  Ian Lance Taylor  <iant@google.com>
705
706         * godump.c (go_define): Improve lexing of macro expansion to only
707         accept expressions which match Go spec.
708
709 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
710
711         PR c++/43601
712         * tree.c (handle_dll_attribute): Handle it.
713         * doc/extend.texi (@item dllexport): Mention it.
714         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
715
716 2011-01-25  Ian Lance Taylor  <iant@google.com>
717
718         PR tree-optimization/26854
719         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
720         (decl_jump_unsafe): Move higher in file, with no other change.
721         (bind): Set has_jump_unsafe_decl if appropriate.
722         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
723         (check_earlier_gotos): Likewise.
724         (c_check_switch_jump_warnings): Likewise.
725
726 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
727
728         * doc/invoke.texi (Warning Options): Add missing hyphen.
729         (-fprofile-dir): Minor grammatical fixes.
730         (-fbranch-probabilities): Likewise.
731
732 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
733
734         PR debug/45136
735         PR debug/45130
736         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
737         debug insns.
738         (no_real_insns_p, schedule_block, set_priorities): Drop special
739         treatment of boundary debug insns.
740         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug
741         insns.
742         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
743         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
744         (BOUNDARY_DEBUG_INSN_P): Likewise.
745         (SCHEDULE_DEBUG_INSN_P): Likewise.
746         * sched-rgn.c (init_ready_list): Drop special treatment of
747         boundary debug insns.
748         * final.c (rest_of_clean-state): Clear notes' BB.
749
750 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
751
752         * Makefile.in (LAMBDA_H): Removed.
753         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
754         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
755         lambda-trans.o, and tree-loop-linear.o.
756         (lto-symtab.o): Remove dependence on LAMBDA_H.
757         (tree-loop-linear.o): Remove rule.
758         (lambda-mat.o): Same.
759         (lambda-trans.o): Same.
760         (lambda-code.o): Same.
761         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
762         (tree-vect-slp.o): Same.
763         * hwint.h (gcd): Moved here.
764         (least_common_multiple): Same.
765         * lambda-code.c: Removed.
766         * lambda-mat.c: Removed.
767         * lambda-trans.c: Removed.
768         * lambda.h: Removed.
769         * tree-loop-linear.c: Removed.
770         * lto-symtab.c: Do not include lambda.h.
771         * omega.c (gcd): Removed.
772         * passes.c (init_optimization_passes): Remove pass_linear_transform.
773         * tree-data-ref.c (print_lambda_vector): Moved here.
774         (lambda_vector_copy): Same.
775         (lambda_matrix_copy): Same.
776         (lambda_matrix_id): Same.
777         (lambda_vector_first_nz): Same.
778         (lambda_matrix_row_add): Same.
779         (lambda_matrix_row_exchange): Same.
780         (lambda_vector_mult_const): Same.
781         (lambda_vector_negate): Same.
782         (lambda_matrix_row_negate): Same.
783         (lambda_vector_equal): Same.
784         (lambda_matrix_right_hermite): Same.
785         * tree-data-ref.h: Do not include lambda.h.
786         (lambda_vector): Moved here.
787         (lambda_matrix): Same.
788         (dependence_level): Same.
789         (lambda_transform_legal_p): Removed declaration.
790         (lambda_collect_parameters): Same.
791         (lambda_compute_access_matrices): Same.
792         (lambda_vector_gcd): Same.
793         (lambda_vector_new): Same.
794         (lambda_vector_clear): Same.
795         (lambda_vector_lexico_pos): Same.
796         (lambda_vector_zerop): Same.
797         (lambda_matrix_new): Same.
798         * tree-flow.h (least_common_multiple): Removed declaration.
799         * tree-parloops.c (lambda_trans_matrix): Moved here.
800         (LTM_MATRIX): Same.
801         (LTM_ROWSIZE): Same.
802         (LTM_COLSIZE): Same.
803         (LTM_DENOMINATOR): Same.
804         (lambda_trans_matrix_new): Same.
805         (lambda_matrix_vector_mult): Same.
806         (lambda_transform_legal_p): Same.
807         * tree-pass.h (pass_linear_transform): Removed declaration.
808         * tree-ssa-loop.c (tree_linear_transform): Removed.
809         (gate_tree_linear_transform): Removed.
810         (pass_linear_transform): Removed.
811         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
812         flag_loop_interchange.
813
814 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
815
816         PR tree-optimization/47265
817         PR tree-optimization/47443
818         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
819         if name still has some uses.
820
821 2011-01-25  Martin Jambor  <mjambor@suse.cz>
822
823         PR tree-optimization/47382
824         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
825         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
826
827 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
828
829         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
830         sjlj_except_unwind_info.
831
832 2011-01-25  Richard Guenther  <rguenther@suse.de>
833
834         PR tree-optimization/47426
835         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
836         visible functions results escape.
837
838 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
839
840         PR target/45701
841         * config/arm/arm.c (any_sibcall_uses_r3): New function.
842         (arm_get_frame_offsets): Use it.
843
844 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
845             Jakub Jelinek  <jakub@redhat.com>
846
847         PR tree-optimization/47271
848         * tree-if-conv.c (bb_postdominates_preds): New.
849         (if_convertible_bb_p): Call bb_postdominates_preds.
850         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
851         (predicate_scalar_phi): Call bb_postdominates_preds.
852
853 2011-01-25  Nick Clifton  <nickc@redhat.com>
854
855         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
856         * config/rx/rx.c (rx_function_value): Likewise.
857         (rx_promote_function_mode): Likewise.
858         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
859         in order to make it legitimate.
860         * config/rx/rx.md (adddi3_internal): If the second operand is a
861         MEM make sure that the first operand is the same as the result
862         register.
863         (addsi3_unspec): Delete.
864         (subdi3): Do not accept immediate operands.
865         (subdi3_internal): Likewise.
866
867 2011-01-25  Jeff Law  <law@redhat.com>
868
869         PR rtl-optimization/37273
870         * ira-costs.c (scan_one_insn): Detect constants living in memory and
871         handle them like argument loads from stack slots.  Do not double
872         count memory for memory constants and argument loads from stack slots.
873
874 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
875
876         PR tree-optimization/47427
877         PR tree-optimization/47428
878         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
879         coalesce if the new root var would be TREE_READONLY.
880
881 2011-01-25  Richard Guenther  <rguenther@suse.de>
882
883         PR middle-end/47414
884         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
885         correct type for TBAA.
886
887 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
888
889         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
890         (close_phi_written_to_memory): Call for_each_index with
891         dr_indices_valid_in_loop.
892
893 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
894
895         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
896         when it is initialized.
897
898 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
899
900         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
901         call to graphite_find_data_references_in_stmt.
902         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
903         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
904         call to graphite_find_data_references_in_stmt.
905         (analyze_drs_in_stmts): Same.
906         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
907         in which the scalar analysis of indices is performed.
908         (create_data_ref): Same.  Update call to dr_analyze_indices.
909         (find_data_references_in_stmt): Update call to create_data_ref.
910         (graphite_find_data_references_in_stmt): Same.
911         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
912         declaration.
913         (create_data_ref): Same.
914         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
915         call to create_data_ref.
916
917 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
918
919         * graphite-sese-to-poly.c (build_poly_scop): Move
920         rewrite_commutative_reductions_out_of_ssa before
921         find_scop_parameters.
922
923 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
924
925         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
926         VAR_DECL, PARM_DECL, and RESULT_DECL.
927
928 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
929
930         * graphite-dependences.c (reduction_dr_1): Allow several reductions
931         in a reduction PBB.
932         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
933         that have already been marked as PBB_IS_REDUCTION.
934
935 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
936
937         * graphite-scop-detection.c (same_close_phi_node): New.
938         (remove_duplicate_close_phi): New.
939         (make_close_phi_nodes_unique): New.
940         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
941
942 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
943
944         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
945         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
946         of both data references to be the same.
947
948 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
949
950         * graphite-dependences.c (build_lexicographical_constraint): Remove the
951         gdim parameter.
952         (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
953         (dependence_polyhedron): Same.
954         (graphite_legal_transform_dr): Same.
955         (graphite_carried_dependence_level_k): Same.
956         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
957         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
958
959 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
960
961         * graphite-sese-to-poly.c
962         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
963         (close_phi_written_to_memory): New.
964         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
965         and unshare_expr.
966
967 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
968
969         * doc/install.texi: Update the expected version number of PPL to 0.11.
970         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
971         #if PPL_VERSION_MINOR < 11.
972
973 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
974
975         * graphite-dependences.c: Include graphite-cloog-util.h.
976         (new_poly_ddr): Inlined into dependence_polyhedron.
977         (free_poly_ddr): Moved close by new_poly_ddr.
978         (dependence_polyhedron_1): Renamed dependence_polyhedron.
979         Early return NULL when ppl_powerset_is_empty returns true.
980         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
981         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
982         (graphite_legal_transform_dr): Call new_poly_ddr.
983         (graphite_carried_dependence_level_k): Same.
984         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
985         (dot_transformed_deps_stmt_1): Removed.
986         (dot_deps_stmt_1): Call dot_deps_stmt_2.
987         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
988         (dot_deps_1): Call dot_deps_2.
989         * Makefile.in (graphite-dependences.o): Add missing dependence on
990         graphite-cloog-util.h.
991
992 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
993
994         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
995         (build_lexicographical_constraint): Same.
996         (dependence_polyhedron_1): Same.
997         (graphite_legal_transform_dr): Same.
998         (graphite_carried_dependence_level_k): Same.
999         * graphite-ppl.c (ppl_powerset_is_empty): New.
1000         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1001         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1002
1003 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1004
1005         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1006         the "a followed by b" relation and document it.
1007
1008 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1009
1010         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1011         iteration when the bag of constraints is empty.
1012
1013 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1014
1015         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1016
1017 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1018
1019         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1020         nest and two loop depths as parameters.
1021         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1022         lst_perfect_nestify.
1023
1024 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1025
1026         * graphite-dependences.c (print_pddr): Call
1027         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1028
1029 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1030
1031         * graphite-ppl.c (debug_gmp_value): New.
1032         * graphite-ppl.h (debug_gmp_value): Declared.
1033
1034 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1035
1036         * doc/install.texi: Document availability of cloog-0.16.
1037
1038 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1039
1040         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1041         invalid postdominance info.
1042
1043 2011-01-24  Jan Hubicka  <jh@suse.cz>
1044
1045         PR c/21659
1046         * doc/extend.texi (weak pragma): Drop claim that it must
1047         appear before definition.
1048         * varasm.c (merge_weak, declare_weak): Only sanity check
1049         that DECL is not output at a time it is declared weak.
1050
1051 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
1052
1053         * machmode.def: Fixed comments.
1054
1055 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
1056
1057         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
1058
1059 2011-01-24  Paul Koning  <ni1d@arrl.net>
1060
1061         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
1062         WORDS_BIG_ENDIAN.
1063
1064 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1065
1066         PR target/46519
1067         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
1068         (block_info): Add scanned and prev.
1069         (move_or_delete_vzeroupper_2): Return if the basic block
1070         has been scanned and the upper 128bit state is unchanged
1071         from the last scan.
1072         (move_or_delete_vzeroupper_1): Return true if the exit
1073         state is changed.
1074         (move_or_delete_vzeroupper): Visit basic blocks using the
1075         work-list based algorithm based on vt_find_locations in
1076         var-tracking.c.
1077
1078         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
1079
1080 2011-01-24  Nick Clifton  <nickc@redhat.com>
1081
1082         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
1083         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
1084         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
1085         then define __v850e1__.
1086         * doc/invoke.texi: Document -mv850es.
1087
1088 2011-01-24  Richard Henderson  <rth@redhat.com>
1089
1090         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
1091         compound unordered comparisons.
1092         * config/rx/rx.c (rx_split_fp_compare): Remove.
1093         * config/rx/rx-protos.h: Update.
1094         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
1095         (cbranchsf4): Don't call rx_split_fp_compare.
1096         (*cbranchsf4): Use rx_split_cbranch.
1097         (*cmpsf): Don't accept "i" constraint.
1098         (*conditional_branch): Only valid after reload.
1099         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
1100
1101 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
1102
1103         PR target/47385
1104         * config/rs6000/altivec.md (vector constant splitters): Add
1105         support for creating vector single precision constants if -mvsx is
1106         used and we would create the constant using Altivec primitives.
1107
1108 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
1109             Richard Sandiford  <rdsandiford@googlemail.com>
1110
1111         PR rtl-optimization/47166
1112         * reload1.c (emit_reload_insns): Disable the spill_reg_store
1113         mechanism for PRE_MODIFY and POST_MODIFY.
1114         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
1115         reloadreg.
1116
1117 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
1118
1119         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
1120
1121 2011-01-22  Jan Hubicka  <jh@suse.cz>
1122
1123         PR lto/47333
1124         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
1125
1126 2011-01-22  Jan Hubicka  <jh@suse.cz>
1127
1128         PR tree-optimization/43884
1129         PR lto/44334
1130         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
1131         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
1132
1133 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
1134
1135         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
1136         * config/s390/s390.c (s390_register_move_cost,
1137         s390_memory_move_cost): New.
1138         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
1139
1140 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1141
1142         PR middle-end/47401
1143         * except.c (sjlj_assign_call_site_values): Move setting the
1144         crtl->uses_eh_lsda flag to ...
1145         (sjlj_mark_call_sites): ... here.
1146         (sjlj_emit_function_enter): Support NULL dispatch label.
1147         (sjlj_build_landing_pads): In a function with no landing pads
1148         that still has must-not-throw regions, generate code to register
1149         a personality function with empty LSDA.
1150
1151 2011-01-21  Richard Henderson  <rth@redhat.com>
1152
1153         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
1154
1155         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
1156
1157         * compare-elim.c: New file.
1158         * Makefile.in (OBJS-common): Add it.
1159         (compare-elim.o): New.
1160         * common.opt (fcompare-elim): New.
1161         * opts.c (default_options_table): Add OPT_fcompare_elim.
1162         * tree-pass.h (pass_compare_elim_after_reload): New.
1163         * passes.c (init_optimization_passes): Add it.
1164         * recog.h: Protect against re-inclusion.
1165         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
1166         * doc/invoke.texi (-fcompare-elim): Document it.
1167         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
1168         * doc/tm.texi: Rebuild.
1169
1170 2011-01-22  Nick Clifton  <nickc@redhat.com>
1171
1172         * config/rx/rx.md (cstoresf4): Pass comparison operator to
1173         rx_split_fp_compare.
1174
1175 2011-01-22  Nick Clifton  <nickc@redhat.com>
1176
1177         * config/rx/rx.md (UNSPEC_CONST): New.
1178         (deallocate_and_return): Wrap the amount popped off the stack in
1179         an UNSPEC_CONST in order to stop it being rejected by
1180         -mmax-constant-size.
1181         (pop_and_return): Add a "(return)" rtx.
1182         (call): Drop the immediate operand.
1183         (call_internal): Likewise.
1184         (call_value): Likewise.
1185         (call_value_internal): Likewise.
1186         (sibcall_internal): Likewise.
1187         (sibcall_value_internal): Likewise.
1188         (sibcall): Likewise.  Generate an explicit call using
1189         sibcall_internal.
1190         (sibcall_value): Likewise.
1191         (mov<>): FAIL if a constant operand is not legitimate.
1192         (addsi3_unpsec): New pattern.
1193
1194         * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
1195         CONSTs.
1196         (ok_for_max_constant): New function.
1197         (gen_safe_add): New function.
1198         (rx_expand_prologue): Use gen_safe_add.
1199         (rx_expand_epilogue): Likewise.
1200         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
1201         UNSPEC CONSTs.
1202
1203 2011-01-21  Jeff Law  <law@redhat.com>
1204
1205         PR tree-optimization/47053
1206         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
1207         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
1208         statements are deleted.
1209         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
1210         is nonempty, then purge dead edges and cleanup the CFG.
1211
1212 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1213
1214         PR debug/47402
1215         Temporarily revert:
1216         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1217         PR debug/47106
1218         * tree-dfa.c (create_var_ann): Mark variable as used.
1219
1220 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1221
1222         PR middle-end/45566
1223         * except.c (convert_to_eh_region_ranges): Emit queued no-region
1224         notes from other section in hot/cold partitioning even if
1225         last_action is -3.  Increment call_site_base.
1226
1227         PR rtl-optimization/47366
1228         * fwprop.c (forward_propagate_into): Return bool.  If
1229         any changes are made, -fnon-call-exceptions is used and
1230         REG_EH_REGION note is present, call purge_dead_edges
1231         and return true if it purged anything.
1232         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
1233         any EH edges were purged.
1234
1235 2011-01-21  Jeff Law  <law@redhat.com>
1236
1237         PR rtl-optimization/41619
1238         * caller-save.c (setup_save_areas): Break out code to determine
1239         which hard regs are live across calls by examining the reload chains
1240         so that it is always used.
1241         Eliminate code which checked REG_N_CALLS_CROSSED.
1242
1243 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1244
1245         PR tree-optimization/47355
1246         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
1247         NOP has non-debug uses beyond PHIs in new_bb.
1248
1249 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
1250
1251         PR debug/47106
1252         * cfgexpand.c (account_used_vars_for_block): Only account vars
1253         that are annotated as used.
1254         (estimated_stack_frame_size): Don't set TREE_USED.
1255         * tree-dfa.c (create_var_ann): Mark variable as used.
1256
1257 2011-01-21  Richard Guenther  <rguenther@suse.de>
1258
1259         PR middle-end/47395
1260         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
1261
1262 2011-01-21  Richard Guenther  <rguenther@suse.de>
1263
1264         PR tree-optimization/47365
1265         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
1266         (vn_reference_lookup_pieces): Adjust.
1267         (vn_reference_lookup): Likewise.
1268         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
1269         (vn_reference_lookup_3): Only look through kills if in
1270         VN_WALKREWRITE mode.
1271         (vn_reference_lookup_pieces): Adjust.
1272         (vn_reference_lookup): Likewise.
1273         (visit_reference_op_load): Likewise.
1274         (visit_reference_op_store): Likewise.
1275         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
1276         (compute_avail): Likewise.
1277         (eliminate): Likewise.
1278
1279 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
1280
1281         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
1282         DECL_IGNORED_P non-reg vars if they are used.
1283
1284         PR tree-optimization/47391
1285         * varpool.c (const_value_known_p): Return false if
1286         decl is volatile.
1287
1288 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
1289
1290         PR bootstrap/47215
1291         * config/i386/i386.c (ix86_local_alignment): Handle
1292         case for va_list_type_node is nil.
1293         (ix86_canonical_va_list_type): Likewise.
1294
1295 2011-01-21  Alan Modra  <amodra@gmail.com>
1296
1297         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
1298         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
1299
1300 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1301
1302         * config/arm/arm.md (define_attr type): Rename f_load
1303         and f_store to f_fpa_load and f_fpa_store. Update.
1304         (write_conflict): Deal with rename fallout.
1305         (*push_fp_multi): Likewise.
1306         * config/arm/fpa.md (f_load): Use f_fpa_load.
1307         (f_store): Use f_fpa_store.
1308         (*movsf_fpa): Likewise.
1309         (*movdf_fpa): Likewise.
1310         (*movxf_fpa): Likewise.
1311         (*thumb2_movsf_fpa): Likewise.
1312         (*thumb2_movdf_fpa): Likewise.
1313         (*thumb2_movxf_fpa): Likewise.
1314         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
1315         f_loadd and f_stored.
1316         (*thumb2_movdi_vfp): Likewise.
1317         (*thumb2_movsf_vfp): Fix attribute to f_loads.
1318         (*thumb2_movsi_vfp): Likewise.
1319         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
1320         Use f_loads instead of f_load.
1321         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
1322
1323 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
1324
1325         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1326         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
1327         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1328         (xtensa_mode_dependent_address_p): New function.
1329         (constantpool_address_p): Make static. Change return type to bool.
1330         Change argument type to const_rtx. Use CONST_INT_P predicate.
1331
1332 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
1333
1334         PR debug/46583
1335         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
1336
1337 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1338
1339         PR debug/47283
1340         * cfgexpand.c (expand_debug_expr): Instead of generating
1341         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
1342         etc. handling.
1343
1344 2011-01-20  Richard Guenther  <rguenther@suse.de>
1345
1346         PR middle-end/47370
1347         * tree-inline.c (remap_gimple_op_r): Recurse manually for
1348         the pointer operand of MEM_REFs.
1349
1350 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR tree-optimization/46130
1353         * ipa-split.c (consider_split): If return_bb contains non-virtual
1354         PHIs other than for retval or if split_function would not adjust it,
1355         refuse to split.
1356
1357 2011-01-20  Richard Guenther  <rguenther@suse.de>
1358
1359         PR tree-optimization/47167
1360         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1361         Revert previous change, only avoid enumeral type changes.
1362
1363 2011-01-19  Mike Stump  <mikestump@comcast.net>
1364
1365         * doc/tm.texi.in (BRANCH_COST): Englishify.
1366         * doc/tm.texi (BRANCH_COST): Likewise.
1367
1368 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
1369
1370         PR c++/47291
1371         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
1372         (gen_scheduled_generic_parms_dies): New functions.
1373         (gen_struct_or_union_type_die): Schedule template parameters DIEs
1374         generation for the end of CU compilation.
1375         (dwarf2out_finish): Generate template parameters DIEs here.
1376
1377 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1378
1379         PR debug/46240
1380         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
1381         debug bind stmt on merge edges.
1382
1383 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1384
1385         PR debug/47079
1386         PR debug/46724
1387         * function.c (instantiate_expr): Instantiate incoming rtl of
1388         implicit arguments, and recurse on VALUE_EXPRs.
1389         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
1390         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
1391
1392 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
1393
1394         * c-parser.c (c_parser_for_statement): Initialize
1395         collection_expression.
1396
1397 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1398
1399         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
1400
1401 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1402
1403         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
1404         (LINK_SHLIB_SPEC): Don't use %(link_path).
1405         (SUBTARGET_EXTRA_SPECS): Remove link_path.
1406
1407 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1408
1409         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
1410         (NO_SHARED_LIB_SUPPORT): Remove.
1411         (LINK_SHLIB_SPEC): Remove one conditional definition.
1412
1413 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
1414
1415         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
1416         %{call_shared}.
1417         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
1418         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
1419         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
1420         %{call_shared} and conditionals on these options not being passed.
1421         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
1422         %{call_shared}.
1423
1424 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1425
1426         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
1427         simplify.
1428
1429         * ipa-split.c: Spelling fixes.
1430
1431 2011-01-19  Richard Henderson  <rth@redhat.com>
1432
1433         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
1434         (*mulsi3): Likewise.
1435
1436         * longlong.h [__mn10300__] (count_leading_zeros): New.
1437         [__mn10300__] (umul_ppmm, smul_ppmm): New.
1438         [__mn10300__] (add_ssaaaa, subddmmss): New.
1439         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
1440         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
1441
1442 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1443
1444         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
1445
1446 2011-01-19  Richard Henderson  <rth@redhat.com>
1447
1448         * config/mn10300/mn10300.md (addsi3_flags): New.
1449         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
1450         (subsi3_flags, subc_internal, subdi3): New.
1451         (subdi3_internal, *subdi3_degenerate): New.
1452         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
1453
1454         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
1455         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
1456         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
1457         * config/mn10300/mn10300-protos.h: Update.
1458         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
1459         (return_ret): Likewise.  Rename from return_internal_regs.
1460         (return_internal): Remove.
1461
1462         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
1463         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
1464         (mn10300_legitimate_constant_p): Likewise.
1465         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
1466         (mn10300_frame_size): New.
1467         (mn10300_expand_prologue): Use it.
1468         (mn10300_expand_epilogue): Likewise.
1469         (mn10300_initial_offset): Likewise.
1470         * config/mn10300/mn10300-protos.h: Update.
1471         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
1472         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
1473         (prologue, epilogue, return_internal): Tidy output code.
1474         (mn10300_store_multiple_operation, return): Likewise.
1475         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
1476         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
1477         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
1478         (load_pic, am33_load_pic): New.
1479         (mn10300_load_pic0, mn10300_load_pic1): New.
1480
1481         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
1482         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
1483         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
1484         (cc_flags_for_mode, cc_flags_for_code): New.
1485         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
1486         overflow flag is not valid.  Validate that the flags we need
1487         for the comparison are valid.
1488         (mn10300_output_cmp): Remove.
1489         (mn10300_output_add): New.
1490         (mn10300_select_cc_mode): Use cc_flags_for_code.
1491         (mn10300_split_cbranch): New.
1492         (mn10300_match_ccmode): New.
1493         (mn10300_split_and_operand_count): New.
1494         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
1495         to the function.
1496         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
1497         (addsi3): ... here.  Use mn10300_output_add.
1498         (*addsi3_flags): New.
1499         (*am33_subsi3, *mn10300_subsi3): Merge...
1500         (subsi3): ... here.  Use attribute isa.
1501         (*subsi3_flags): New.
1502         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
1503         when possible.
1504         (*am33_andsi3, *mn10300_andsi3): Merge...
1505         (andsi3): ... here.
1506         (*andsi3_flags): New.
1507         (andsi3 splitters): New.
1508         (*am33_iorsi3, *mn10300_iorsi3): Merge...
1509         (iorsi3): ... here.
1510         (*iorsi3_flags): New.
1511         (*am33_xorsi3, *mn10300_xorsi3): Merge...
1512         (xorsi3): ... here.
1513         (*xorsi3_flags): New.
1514         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
1515         (one_cmplsi2): ... here.
1516         (*one_cmplsi2_flags): New.
1517         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
1518         instead of "dax" in constraints.  Use mn10300_split_cbranch.
1519         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
1520         use matching constraints to eliminate a self-comparison.
1521         (*integer_conditional_branch): Rename from integer_conditional_branch.
1522         Use int_mode_flags to match CC_REG.
1523         (*cbranchsi4_btst, *btstsi): New.
1524         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
1525         mn10300_split_cbranch.
1526         (*am33_cmpsf): Rename from am33_cmpsf.
1527         (*float_conditional_branch): Rename from float_conditional_branch.
1528         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
1529         (zero_extendqisi2): ... here.
1530         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
1531         (zero_extendhisi2): ... here.
1532         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
1533         (extendqisi2): ... here.
1534         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
1535         (extendhisi2): ... here.
1536         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
1537         (ashlsi3): ... here.
1538         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
1539         (lshrsi3): ... here.
1540         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
1541         (ashrsi3): ... here.
1542         (consecutive add peephole): Remove.
1543         * config/mn10300/predicates.md (label_ref_operand): New.
1544         (int_mode_flags): New.
1545         (CCZN_comparison_operator): New.
1546
1547         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
1548         (throughput_42_latency_43): New reservation.
1549         (mulsidi3, umulsidi3): New expanders.
1550         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
1551         the MDR register to allocation; separately allocate the low and
1552         high parts of the DImode result.
1553         (umulsidi3_internal): Similarly.
1554         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
1555         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
1556         (udivsi3, umodsi3): Remove.
1557         (udivmodsi4, divmodsi4): New expanders.
1558         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
1559         (*divmodsi4): Simiarly.
1560         (ext_internal): New.
1561
1562         * config/mn10300/constraints.md ("z"): New constraint.
1563         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
1564         (FIXED_REGISTERS): Don't fix MDR.
1565         (CALL_USED_REGSITERS): Reformat nicely.
1566         (REG_ALLOC_ORDER): Add MDR.
1567         (enum regclass): Add MDR_REGS.
1568         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
1569         (IRA_COVER_CLASSES): Add MDR_REGS.
1570         (REGNO_REG_CLASS): Handle MDR_REG.
1571         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
1572         (mn10300_register_move_cost): Likewise.
1573         * config/mn10300/mn10300.md (MDR_REG): New.
1574         (*movsi_internal): Handle moves to/from MDR_REGS.
1575
1576         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
1577         POST_MODIFY.
1578         (mn10300_secondary_reload): Tidy combination reload classes.
1579         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
1580         addresses for AM33.  Allow symbolic offsets for reg+imm.
1581         (mn10300_regno_in_class_p): New.
1582         (mn10300_legitimize_reload_address): New.
1583         * config/mn10300/mn10300.h (enum reg_class): Remove
1584         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
1585         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
1586         SP_OR_GENERAL_REGS.
1587         (REG_CLASS_NAMES): Update to match.
1588         (REG_CLASS_CONTENTS): Likewise.
1589         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
1590         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
1591         (REGNO_IN_RANGE_P): Remove.
1592         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
1593         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
1594         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
1595         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
1596         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
1597         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
1598         (REGNO_GENERAL_P): New.
1599         (HAVE_POST_MODIFY_DISP): New.
1600         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
1601         (LEGITIMIZE_RELOAD_ADDRESS): New.
1602         * config/mn10300/mn10300-protos.h: Update.
1603
1604         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
1605         DATA_REGS for AM33 stack-pointer destination.
1606         (mn10300_preferred_output_reload_class): Likewise.
1607         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
1608         into a form appropriate for ...
1609         (TARGET_SECONDARY_RELOAD): New.
1610         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
1611         * config/mn10300/mn10300-protos.h: Update.
1612         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
1613         reload_insi; use the "A" constraint for the scratch; handle AM33
1614         moves of sp to non-address registers.
1615
1616         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
1617         (*movqi_internal): ... here.
1618         (*am33_movhi, *mn10300_movhi): Merge into...
1619         (*movhi_internal): ... here.
1620         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
1621         as the source/destination of moves from/to SP.
1622         (movsf): Only allow for AM33-2.
1623         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
1624         any integer constant constraint.  Only allow for AM33-2.  Tidy
1625         all of the alternative outputs.
1626         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
1627         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
1628         for MN103.
1629         (udivsi3, umodsi3): New patterns for MN103 only.
1630
1631 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
1632
1633         * doc/tm.texi.in: Spell out that a lack of register class unions
1634         can lead to ICEs.
1635         * doc/tm.texi: Regenerate.
1636
1637 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
1638
1639         PR rtl-optimization/47337
1640         * dce.c (check_argument_store): New function.
1641         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
1642
1643         PR tree-optimization/47290
1644         * tree-eh.c (infinite_empty_loop_p): New function.
1645         (cleanup_empty_eh): Use it.
1646
1647 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
1648
1649         PR target/46997
1650         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
1651         (a64_expand_widen_sum): Ditto.
1652         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
1653         (vec_extract_evenodd_help): Ditto.
1654         (vec_extract_evenv4hi): Ditto.
1655         (vec_extract_oddv4hi): Ditto.
1656         (vec_extract_evenv2si): Ditto.
1657         (vec_extract_oddv2si): Ditto.
1658         (vec_extract_evenv2sf): Ditto.
1659         (vec_extract_oddv2sf): Ditto.
1660         (vec_pack_trunc_v4hi: Ditto.
1661         (vec_pack_trunc_v2si): Ditto.
1662         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
1663         (vec_interleave_highv8qi): Ditto.
1664         (mix1_r): Ditto.
1665         (vec_extract_oddv8qi): Ditto.
1666         (vec_interleave_lowv4hi): Ditto.
1667         (vec_interleave_highv4hi): Ditto.
1668         (vec_interleave_lowv2si): Ditto.
1669         (vec_interleave_highv2si): Ditto.
1670
1671 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1672
1673         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
1674         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
1675         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
1676         (pa_c_mode_for_suffix): New.
1677         (TARGET_EXPAND_BUILTIN): Define.
1678         (TARGET_C_MODE_FOR_SUFFIX): Define.
1679         (pa_builtins): Define.
1680         (pa_init_builtins): Register __float128 type and init new support
1681         builtins.
1682         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
1683         * config/pa/quadlib.c (_U_Qfcopysign): New.
1684
1685 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1686
1687         PR middle-end/46894
1688         * explow.c (allocate_dynamic_stack_space): Do not assume more than
1689         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
1690         are defined.
1691
1692 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1693
1694         PR tree-optimization/47179
1695         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
1696         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
1697
1698 2011-01-18  Richard Guenther  <rguenther@suse.de>
1699
1700         PR rtl-optimization/47216
1701         * emit-rtl.c: Include tree-flow.h.
1702         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
1703         of replicating it with different semantics.
1704         * Makefile.in (emit-rtl.o): Adjust.
1705
1706 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1707
1708         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually
1709         include.
1710         (cortex_a9_dp): Handle neon types correctly.
1711
1712 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
1713
1714         PR rtl-optimization/47299
1715         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
1716         subtarget.  Use normal multiplication if both operands are
1717         constants.
1718         * expmed.c (expand_widening_mult): Don't try to optimize constant
1719         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
1720         before using it.
1721
1722 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1723
1724         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
1725         spacing after 'e.g.', typos, comma, hyphenation.
1726
1727 2011-01-17  Richard Henderson  <rth@redhat.com>
1728
1729         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
1730         (rx_restricted_mem_operand): New.
1731         (rx_shift_operand): Use register_operand.
1732         (rx_source_operand, rx_compare_operand): Likewise.
1733         * config/rx/rx.md (addsi3_flags): New expander.
1734         (adddi3): Rewrite as expander.
1735         (adc_internal, *adc_flags, adddi3_internal): New patterns.
1736         (subsi3_flags): New expander.
1737         (subdi3): Rewrite as expander.
1738         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
1739
1740         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
1741         (rx_init_builtins): Remove sat builtin.
1742         (rx_expand_builtin): Likewise.
1743         * config/rx/rx.md (ssaddsi3): New.
1744         (*sat): Rename from sat.  Represent the CC_REG input.
1745
1746         * config/rx/predicates.md (rshift_operator): New.
1747         * config/rx/rx.c (rx_expand_insv): Remove.
1748         * config/rx/rx-protos.h: Update.
1749         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
1750         operand to the canonical position.
1751         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
1752         (*bitclr, *bitclr_in_memory): Similarly.
1753         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
1754         (insv): Retain the zero_extract in the expansion.
1755
1756         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
1757         (bswaphi2, bitinvert, revw): Likewise.
1758
1759         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
1760         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
1761         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
1762         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
1763         (bitset, bitset_in_memory): Likewise.
1764         (bitinvert, bitinvert_in_memory): Likewise.
1765         (bitclr, bitclr_in_memory): Likewise.
1766         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
1767         (rx_strend, rx_cmpstrn): Likewise.
1768         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
1769         (bitop peep2 patterns): Remove.
1770
1771         * config/rx/rx.c (rx_match_ccmode): New.
1772         * config/rx/rx-protos.h: Update.
1773         * config/rx/rx.md (abssi2): Clobber, don't set flags.
1774         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
1775         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
1776         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
1777         (fix_truncsfsi2, floatsisf2): Likewise.
1778         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
1779         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
1780         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
1781         (*subsi3_flags, *xorsi3_flags): New.
1782
1783         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
1784
1785         * config/rx/rx.c (rx_print_operand): Remove workaround for
1786         unsplit comparison operations.
1787
1788         * config/rx/rx.md (movsicc): Split after reload.
1789         (*movsicc): Merge *movsieq and *movsine via match_operator.
1790         (*stcc): New pattern.
1791
1792         * config/rx/rx.c (rx_float_compare_mode): Remove.
1793         * config/rx/rx.h (rx_float_compare_mode): Remove.
1794         * config/rx/rx.md (cstoresi4): Split after reload.
1795         (*sccc): New pattern.
1796
1797         * config/rx/predicates.md (label_ref_operand): New.
1798         (rx_z_comparison_operator): New.
1799         (rx_zs_comparison_operator): New.
1800         (rx_fp_comparison_operator): New.
1801         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
1802         Validate that the flags are set properly for the comparison.
1803         (rx_gen_cond_branch_template): Remove.
1804         (rx_cc_modes_compatible): Remove.
1805         (mode_from_flags): New.
1806         (flags_from_code): Rename from flags_needed_for_conditional.
1807         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
1808         (rx_select_cc_mode): Likewise.
1809         (rx_split_fp_compare): New.
1810         (rx_split_cbranch): New.
1811         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
1812         (*cbranchsi4): Use match_operator and rx_split_cbranch.
1813         (*cbranchsf4): Similarly.
1814         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
1815         match_operator and rx_split_cbranch.
1816         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
1817         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
1818         (*cmpsi): Rename from cmpsi.
1819         (*tstsi): Rename from tstsi.
1820         (*cmpsf): Rename from cmpsf; use CC_Fmode.
1821         (*conditional_branch): Rename from conditional_branch.
1822         (*reveresed_conditional_branch): Remove.
1823         (b<code>): Remove expander.
1824         * config/rx/rx-protos.h: Update.
1825
1826         * config/rx/rx.c (rx_compare_redundant): Remove.
1827         * config/rx/rx.md (cmpsi): Don't use it.
1828         * config/rx/rx-protos.h: Update.
1829
1830         * config/rx/rx-modes.def (CC_F): New mode.
1831         * config/rx/rx.c (rx_select_cc_mode): New.
1832         * config/rx/rx.h (SELECT_CC_MODE): Use it.
1833         * config/rx/rx-protos.h: Update.
1834
1835 2011-01-17  Richard Henderson  <rth@redhat.com>
1836
1837         * except.c (dump_eh_tree): Fix stray ; after for statement.
1838
1839 2011-01-17  Richard Guenther  <rguenther@suse.de>
1840
1841         PR tree-optimization/47313
1842         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
1843         handling before copying the body.  Properly deal with
1844         by-reference result in SSA form.
1845
1846 2011-01-17  Ian Lance Taylor  <iant@google.com>
1847
1848         PR target/47219
1849         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
1850         (struct_value_alias_set): Don't define.
1851         (sparc_option_override): Don't set sparc_sr_alias_set and
1852         struct_value_alias_set.
1853         (save_or_restore_regs): Use gen_frame_mem rather than calling
1854         set_mem_alias_set.
1855         (sparc_struct_value_rtx): Likewise.
1856
1857 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
1858
1859         PR target/47318
1860         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
1861         __m128i.
1862         (_mm_maskstore_pd): Likewise.
1863         (_mm_maskload_ps): Likewise.
1864         (_mm_maskstore_ps): Likewise.
1865         (_mm256_maskload_pd): Change mask to __m256i.
1866         (_mm256_maskstore_pd): Likewise.
1867         (_mm256_maskload_ps): Likewise.
1868         (_mm256_maskstore_ps): Likewise.
1869
1870         * config/i386/i386-builtin-types.def: Updated.
1871         (ix86_expand_special_args_builtin): Likewise.
1872
1873         * config/i386/i386.c (bdesc_special_args): Update
1874         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
1875         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
1876         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
1877         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
1878
1879         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
1880         Use <avxpermvecmode> on mask register.
1881         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
1882
1883 2011-01-17  Olivier Hainque  <hainque@adacore.com>
1884             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
1885             Eric Botcazou  <ebotcazou@adacore.com>
1886
1887         PR target/46655
1888         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
1889         if <= USHRT_MAX in 32-bit mode.
1890
1891 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1892
1893         * doc/install.texi (Configuration, Specific): Wrap long
1894         lines in examples.  Allow line wrapping in long options
1895         and URLs where beneficial for PDF output.
1896
1897 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
1898
1899         * config/mips/mips.c (mips_classify_symbol): Don't return
1900         SYMBOL_PC_RELATIVE for nonlocal labels.
1901
1902 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
1905
1906 2011-01-15  Jan Hubicka  <jh@suse.cz>
1907
1908         PR tree-optimization/47276
1909         * ipa.c (function_and_variable_visibility): Do not try to mark alias
1910         declarations as needed.
1911
1912 2011-01-15  Martin Jambor  <mjambor@suse.cz>
1913
1914         * common.opt (fdevirtualize): New flag.
1915         * doc/invoke.texi (Option Summary): Document it.
1916         * opts.c (default_options_table): Add devirtualize flag.
1917         * ipa-prop.c (detect_type_change): Return immediately if
1918         devirtualize flag is not set.
1919         (detect_type_change_ssa): Likewise.
1920         (compute_known_type_jump_func): Likewise.
1921         (ipa_analyze_virtual_call_uses): Likewise.
1922
1923 2011-01-14  Martin Jambor  <mjambor@suse.cz>
1924
1925         PR tree-optimization/45934
1926         PR tree-optimization/46302
1927         * ipa-prop.c (type_change_info): New type.
1928         (stmt_may_be_vtbl_ptr_store): New function.
1929         (check_stmt_for_type_change): Likewise.
1930         (detect_type_change): Likewise.
1931         (detect_type_change_ssa): Likewise.
1932         (compute_complex_assign_jump_func): Check for dynamic type change.
1933         (compute_complex_ancestor_jump_func): Likewise.
1934         (compute_known_type_jump_func): Likewise.
1935         (compute_scalar_jump_functions): Likewise.
1936         (ipa_analyze_virtual_call_uses): Likewise.
1937         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
1938
1939 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1940
1941         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
1942         * config/i386/i386.opt (msse5): New Alias.
1943
1944 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1945
1946         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1947         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1948         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1949         * config/sparc/sparc.h (CC1_SPEC): Likewise.
1950
1951 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1952
1953         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
1954         -mcpu options.
1955         * config/sparc/linux64.h (CC1_SPEC): Likewise.
1956         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
1957         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
1958         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
1959         Likewise.
1960         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
1961
1962 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1963
1964         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or
1965         -fvec-eabi.
1966
1967 2011-01-14  Mike Stump  <mikestump@comcast.net>
1968
1969         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
1970         * config/fr30/fr30.md: Likweise
1971         (movsi_push): Likewise.
1972         (movsi_pop): Likewise.
1973         (enter_func): Likewise.
1974         * config/moxie/moxie.md (movsi_push): Likewise.
1975         (movsi_pop): Likewise.
1976
1977 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1978
1979         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
1980         %{no_archive} %{exact_version}.
1981         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
1982         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
1983         %{no_archive} %{exact_version}.
1984         * config/mips/openbsd.h (LINK_SPEC): Likewise.
1985         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
1986         * config/mips/vxworks.h: Likewise.
1987
1988 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1989
1990         * config/microblaze/microblaze.h (ASM_SPEC): Remove
1991         %{microblaze1}.
1992
1993 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1994
1995         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
1996         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
1997
1998 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
1999
2000         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2001         -nodefaultlib.
2002
2003 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2004
2005         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2006         for mcpu not cpu.
2007         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2008         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2009         not cpu.
2010         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2011         Don't handle -shlib.
2012
2013 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2014
2015         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2016         (CC1_SPEC): Don't handle -profile.
2017
2018 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2019
2020         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2021         * config/mips/mips.h (CC1_SPEC): Likewise.
2022
2023 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2024
2025         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2026         * config/mips/mips.h (CC1_SPEC): Likewise.
2027
2028 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2029
2030         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2031         * config/m32r/linux.h (LINK_SPEC): Likewise.
2032         * config/mips/linux.h (LINK_SPEC): Likewise.
2033         * config/mips/linux64.h (LINK_SPEC): Likewise.
2034         * config/sparc/linux.h (LINK_SPEC): Likewise.
2035         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2036         LINK_SPEC): Likewise.
2037         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2038
2039 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2040
2041         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2042         %{version:-v}.
2043         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2044
2045 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2046
2047         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
2048         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
2049
2050 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2051
2052         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
2053
2054 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2055
2056         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
2057         supports -Bstatic/-Bdynamic.
2058         * configure: Regenerate.
2059
2060 2011-01-14  Jan Hubicka  <jh@suse.cz>
2061         Jack Howarth <howarth@bromo.med.uc.edu>
2062
2063         PR target/46037
2064         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
2065         when checking debug_info_level. Test write_symbols instead of
2066         debug_hooks->var_location when setting flag_var_tracking_uninit.
2067
2068 2011-01-14  Richard Guenther  <rguenther@suse.de>
2069
2070         PR tree-optimization/47179
2071         * target.def (ref_may_alias_errno): New target hook.
2072         * targhooks.h (default_ref_may_alias_errno): Declare.
2073         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
2074         (default_ref_may_alias_errno): New function.
2075         * target.h (struct ao_ref_s): Declare.
2076         * tree-ssa-alias.c: Include target.h.
2077         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
2078         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
2079         (targhooks.o): Likewise.
2080         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
2081         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
2082
2083 2011-01-14  Richard Guenther  <rguenther@suse.de>
2084
2085         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
2086
2087 2011-01-14  Richard Guenther  <rguenther@suse.de>
2088
2089         PR tree-optimization/47280
2090         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
2091         return CFG changes.
2092         (tree_ssa_forward_propagate_single_use_vars): Deal with
2093         CFG changes from associate_plusminus.
2094
2095 2011-01-14  Richard Guenther  <rguenther@suse.de>
2096
2097         PR middle-end/47281
2098         Revert
2099         2011-01-11  Richard Guenther  <rguenther@suse.de>
2100
2101         PR tree-optimization/46076
2102         * tree-ssa.c (useless_type_conversion_p): Conversions from
2103         unprototyped to empty argument list function types are useless.
2104
2105 2011-01-14  Richard Guenther  <rguenther@suse.de>
2106
2107         PR tree-optimization/47286
2108         * tree-ssa-structalias.c (new_var_info): Register variables are global.
2109
2110 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2111
2112         PR middle-end/46823
2113         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
2114
2115 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
2116
2117         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
2118         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
2119         * config/xtensa/xtensa.c (xtensa_libcall_value,
2120         xtensa_function_value_regno_p): New functions.
2121         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
2122
2123 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
2124
2125         PR c++/47213
2126         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
2127         PE specific hook.
2128         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
2129         New function prototype.
2130         * config/i386/winnt.c (i386_pe_assemble_visibility):
2131         Warn only if attribute was specified by user.
2132
2133 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
2134
2135         PR target/47251
2136         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
2137         floating point.
2138         (floatunsdidf2_fcfidu): Ditto.
2139
2140 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2141
2142         * config/s390/s390.c (print_operand_address): Replace 'error' with
2143         'output_operand_lossage'.
2144         (print_operand): Likewise.
2145
2146 2011-01-13  Jeff Law  <law@redhat.com>
2147
2148         PR rtl-optimization/39077
2149         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
2150         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
2151         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
2152         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
2153         * gcse.c (prune_insertions_deletions): New function.
2154         (compute_pre_data): Use it.
2155
2156 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
2157
2158         PR debug/PR46973
2159         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
2160         static function.
2161         (prune_unused_types_mark): Use it.
2162
2163 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
2164
2165         PR rtl-optimization/45352
2166         * sel-sched.c: Update copyright years.
2167         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
2168         in the advancing loop when we have issued issue_rate insns.
2169
2170 2011-01-12  Richard Henderson  <rth@redhat.com>
2171
2172         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
2173         (TARGET_MD_ASM_CLOBBERS): New.
2174
2175         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
2176         (TARGET_DELEGITIMIZE_ADDRESS): New.
2177
2178         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
2179         (clzsi2, *bsch): New patterns.
2180
2181         * config/mn10300/mn10300.md (INT): New mode iterator.
2182         (*mov<INT>_clr): New pattern, and peep2 to generate it.
2183
2184         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
2185         flag_split_wide_types.
2186
2187         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
2188         (mn10300_trampoline_init): Rewrite without a template, an immediate
2189         load and a direct branch.
2190         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
2191
2192 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
2193
2194         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2195         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
2196         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
2197         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2198
2199 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
2200
2201         PR debug/47209
2202         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
2203         of type.
2204
2205 2011-01-12  Jan Hubicka  <jh@suse.cz>
2206
2207         PR driver/47244
2208         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
2209         (PLUGIN_COND_CLOSE): New macro.
2210         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
2211
2212 2011-01-12  Richard Guenther  <rguenther@suse.de>
2213
2214         PR lto/47259
2215         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
2216         register variables in a MEM_REF.
2217
2218 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
2219
2220         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
2221         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
2222         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
2223         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
2224         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
2225         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
2226         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
2227         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
2228         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
2229         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
2230         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
2231         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
2232         * config/gnu-user.h: New.  Copied from linux.h.
2233         (LINUX_TARGET_STARTFILE_SPEC): Rename to
2234         GNU_USER_TARGET_STARTFILE_SPEC.
2235         (LINUX_TARGET_ENDFILE_SPEC): Rename to
2236         GNU_USER_TARGET_ENDFILE_SPEC.
2237         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
2238         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
2239         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
2240         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
2241         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2242         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2243         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
2244         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
2245         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
2246         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
2247         * config/arm/linux-eabi.h (CC1_SPEC): Use
2248         GNU_USER_TARGET_CC1_SPEC.
2249         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
2250         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
2251         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
2252         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
2253         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
2254         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
2255         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
2256         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
2257
2258 2011-01-12  Richard Guenther  <rguenther@suse.de>
2259
2260         PR other/46946
2261         * doc/invoke.texi (ffast-math): Document it is turned on
2262         with -Ofast.
2263
2264 2011-01-12  Jan Hubicka  <jh@suse.cz>
2265
2266         PR tree-optimization/47233
2267         * opts.c (common_handle_option): Disable ipa-reference with profile
2268         feedback.
2269
2270 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2271
2272         * c-parser.c (c_parser_objc_at_property_declaration): Improved
2273         error message.
2274
2275 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
2276
2277         * c-parser.c (c_lex_one_token): Updated and reindented some
2278         comments.  No changes in code.
2279
2280 2011-01-11  Ian Lance Taylor  <iant@google.com>
2281
2282         * godump.c (go_output_var): Don't output the variable if there is
2283         already a type with the same name.
2284
2285 2011-01-11  Ian Lance Taylor  <iant@google.com>
2286
2287         * godump.c (go_format_type): Don't generate float80.
2288
2289 2011-01-11  Richard Henderson  <rth@redhat.com>
2290
2291         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
2292         declaration.  Rewrite for both speed and size.
2293         (mn10300_address_cost_1): Remove.
2294         (mn10300_register_move_cost): New.
2295         (mn10300_memory_move_cost): New.
2296         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
2297         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
2298         extensions, shifts, BSWAP, CLZ.
2299         (mn10300_wide_const_load_uses_clr): Remove.
2300         (TARGET_REGISTER_MOVE_COST): New.
2301         (TARGET_MEMORY_MOVE_COST): New.
2302         * config/mn10300/mn10300-protos.h: Update.
2303         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
2304
2305         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
2306         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
2307         * config/mn10300/mn10300-protos.h: Update.
2308         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
2309         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
2310         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
2311         (*test_int_bitfield, *test_byte_bitfield): Remove.
2312         (*bit_test, *subreg_bit_test): Remove.
2313         * config/mn10300/predicates.md (const_8bit_operand): Remove.
2314
2315         * config/mn10300/constraints.md ("c"): Rename from "A".
2316         ("A", "D"): New constraint letters.
2317         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
2318         (fmssf4, fnmasf4, fnmssf4): Likewise.
2319
2320         * config/mn10300/mn10300.md (isa): New attribute.
2321         (enabled): New attribute.
2322
2323         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
2324         (abssf2, negsf2): Define only for hardware fp.
2325         (sqrtsf2): Reformat.
2326         (addsf3, subsf3, mulsf3): Merge expander and insn.
2327
2328         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
2329         (DEBUGGER_AUTO_OFFSET): Remove.
2330         (DEBUGGER_ARG_OFFSET): Remove.
2331
2332         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
2333         Emit register stores with the same offsets as the hardware.
2334         (mn10300_store_multiple_operation): Don't check that the register
2335         save offsets are monotonic.
2336         * config/mn10300/mn10300-protos.h: Update.
2337
2338         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
2339
2340         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
2341         in terms of the value on the stack, not the MDR register.
2342
2343 2011-01-11  Jan Hubicka  <jh@suse.cz>
2344
2345         PR lto/45721
2346         PR lto/45375
2347         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
2348         (symbol_alias_set_destroy, symbol_alias_set_contains,
2349         propagate_aliases_backward): Declare.
2350         * lto-streamer-out.c (struct sets): New sturcture.
2351         (trivally_defined_alias): New function.
2352         (output_alias_pair_p): Rewrite.
2353         (output_unreferenced_globals): Fix output of alias pairs.
2354         (produce_symtab): Likewise.
2355         * ipa.c (function_and_variable_visibility): Set weak alias destination
2356         as needed in lto.
2357         * varasm.c (symbol_alias_set_t): Remove.
2358         (symbol_alias_set_destroy): Export.
2359         (propagate_aliases_forward, propagate_aliases_backward): New functions
2360         based on ...
2361         (compute_visible_aliases): ... this one; remove.
2362         (trivially_visible_alias): New
2363         (trivially_defined_alias): New.
2364         (remove_unreachable_alias_pairs): Rewrite.
2365         (finish_aliases_1): Reorganize code checking if alias is defined.
2366         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
2367         in LTO mode.
2368
2369 2011-01-11  Richard Guenther  <rguenther@suse.de>
2370
2371         PR tree-optimization/46076
2372         * tree-ssa.c (useless_type_conversion_p): Conversions from
2373         unprototyped to empty argument list function types are useless.
2374
2375 2011-01-11  Richard Guenther  <rguenther@suse.de>
2376
2377         PR middle-end/45235
2378         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
2379         volatile MEMs as MEM_READONLY_P.
2380
2381 2011-01-11  Richard Guenther  <rguenther@suse.de>
2382
2383         PR tree-optimization/47239
2384         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
2385
2386 2011-01-11  Jeff Law  <law@redhat.com>
2387
2388         PR tree-optimization/47086
2389         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
2390         IVs from statements that might throw.
2391
2392 2011-01-10  Jan Hubicka  <jh@suse.cz>
2393
2394         PR lto/45375
2395         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
2396
2397 2011-01-10  Jan Hubicka  <jh@suse.cz>
2398
2399         PR lto/45375
2400         * profile.c (read_profile_edge_counts): Ignore profile inconistency
2401         when correcting profile.
2402
2403 2011-01-10  Jan Hubicka  <jh@suse.cz>
2404
2405         PR lto/46083
2406         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
2407         DECL_FINI_PRIORITY.
2408         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
2409         Restore DECL_FINI_PRIORITY.
2410
2411 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2412
2413         * doc/gimple.texi: Fix quoting of multi-word return values in
2414         @deftypefn statements.  Ensure presence of return value.  Wrap
2415         overlong @deftypefn lines.
2416         (is_gimple_operand, is_gimple_min_invariant_address): Remove
2417         descriptions of removed functions.
2418         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
2419         of multi-word return value in @deftypefn statement.
2420
2421 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2422
2423         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
2424         (Conditional Expressions, Logical Operators)
2425         (Statement and operand traversals): Do not indent smallexample
2426         code.  Fix duplicate function argument in example.
2427
2428 2011-01-10  Jeff Law  <law@redhat.com>
2429
2430         PR tree-optimization/47141
2431         * ipa-split.c (split_function): Handle case where we are
2432         returning a value and the return block has a virtual operand phi.
2433
2434 2011-01-10  Jan Hubicka  <jh@suse.cz>
2435
2436         PR tree-optimization/47234
2437         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
2438         (pass_feedback_split_functions): Declare.
2439         * passes.c (init_optimization_passes): Add ipa-split as subpass of
2440         tree-profile.
2441         * ipa-split.c (gate_split_functions): Update comments; disable
2442         split-functions for profile_arc_flag and branch_probabilities.
2443         (gate_feedback_split_functions): New function.
2444         (execute_feedback_split_functions): New function.
2445         (pass_feedback_split_functions): New global var.
2446
2447 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2448
2449         PR lto/46760
2450         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
2451         calling gimple_call_set_cannot_inline.
2452
2453 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
2454
2455         * config/darwin-sections.def: Remove unused section.
2456
2457 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
2458
2459         PR c++/47218
2460         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
2461
2462 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
2463
2464         PR objc/47232
2465         * c-parser.c (c_parser_declaration_or_fndef): Improved
2466         error message.
2467
2468 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
2469
2470         * config/i386/winnt.c (i386_pe_start_function): Make sure
2471         to switch back to function's section.
2472
2473 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
2474
2475         PR gcc/46902
2476         PR testsuite/46912
2477         * plugin.c: Move include of dlfcn.h from here...
2478         * system.h: ... to here.
2479
2480 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2481
2482         * doc/cpp.texi (C++ Named Operators): Fix markup for header
2483         file name.
2484         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
2485         two extra empty pages in PDF output.
2486
2487 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
2488
2489         PR objc/47078
2490         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
2491         for error recovery purposes behave as if it was not specified so
2492         that the default type is usd.
2493
2494 2011-01-07  Jan Hubicka  <jh@suse.cz>
2495
2496         PR tree-optmization/46469
2497         * ipa.c (function_and_variable_visibility): Clear needed flags on
2498         nodes with external decls; handle weakrefs merging correctly.
2499
2500 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
2501
2502         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
2503         not false.
2504
2505 2011-01-07  Jan Hubicka  <jh@suse.cz>
2506
2507         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
2508         and no longer claim that gold is required for linker plugin.
2509         * configure: Regenerate.
2510         * gcc.c (PLUGIN_COND): New macro.
2511         (LINK_COMMAND_SPEC): Use it.
2512         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
2513         * config.in (HAVE_LTO_PLUGIN): New.
2514         * configure.ac (--with-lto-plugin): New parameter; autodetect
2515         HAVE_LTO_PLUGIN.
2516
2517 2011-01-07  Jan Hubicka  <jh@suse.cz>
2518
2519         PR tree-optimization/46367
2520         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
2521         when we can update original.
2522         (cgraph_mark_inline_edge): Sanity check.
2523         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
2524
2525 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2526
2527         * config/spu/spu.h (ASM_COMMENT_START): Define.
2528
2529 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2530
2531         PR driver/42445
2532         * gcc.c (%>S): New.
2533         (SWITCH_KEEP_FOR_GCC): Likewise.
2534         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
2535         (do_spec_1): Handle "%>".
2536
2537         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
2538
2539 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
2540
2541         PR target/47201
2542         * config/i386/i386.c (ix86_delegitimize_address): If
2543         simplify_gen_subreg fails, return orig_x.
2544
2545         PR bootstrap/47187
2546         * value-prof.c (gimple_stringop_fixed_value): Handle
2547         lhs of the call properly.
2548
2549 2011-01-07  Jan Hubicka  <jh@suse.cz>
2550
2551         PR lto/45375
2552         * lto-opt.c (lto_reissue_options): Set flag_shlib.
2553
2554 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2555
2556         * target.def (function_switched_text_sections): New hook.
2557         * doc/tm.texi: Regenerated.
2558         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2559         * final.c (default_function_switched_text_sections): New.
2560         (final_scan_insn): Call function_switched_text_sections when a
2561         mid-function section change occurs.
2562         * output.h (default_function_switched_text_sections): Declare.
2563         * config/darwin-protos.h (darwin_function_switched_text_sections):
2564         Likewise.
2565         * config/darwin.c (darwin_function_switched_text_sections): New.
2566         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
2567
2568 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
2569
2570         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
2571         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
2572         the secondary code fragment when outputting for DWARF == 2.
2573
2574 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
2575
2576         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
2577         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
2578         Remove.
2579         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
2580         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
2581
2582 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
2583
2584         PR debug/46704
2585         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
2586         when it is not empty.
2587
2588 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
2589
2590         Bobcat Enablement
2591         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
2592         (case ${target}): Add btver1.
2593         * config/i386/driver-i386.c (host_detect_local_cpu): Let
2594         -march=native recognize btver1 processors.
2595         * config/i386/i386-c.c (ix86_target_macros_internal): Add
2596         btver1 def_and_undef
2597         * config/i386/i386.c (struct processor_costs btver1_cost): New
2598         btver1 cost table.
2599         (m_BTVER1): New definition.
2600         (m_AMD_MULTIPLE): Includes m_BTVER1.
2601         (initial_ix86_tune_features): Add btver1 tune.
2602         (processor_target_table): Add btver1 entry.
2603         (static const char *const cpu_names): Add btver1 entry.
2604         (software_prefetching_beneficial_p): Add btver1.
2605         (ix86_option_override_internal): Add btver1 instruction sets.
2606         (ix86_issue_rate): Add btver1.
2607         (ix86_adjust_cost): Add btver1.
2608         * config/i386/i386.h (TARGET_BTVER1): New definition.
2609         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
2610         (enum processor_type): Add PROCESSOR_BTVER1.
2611         * config/i386/i386.md (define_attr "cpu"): Add btver1.
2612
2613 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2614
2615         PR target/43309
2616         * config/i386/i386.c (legitimize_tls_address)
2617         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
2618         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
2619         (tls_initial_exec_64_sun): New pattern.
2620
2621 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2622
2623         * doc/invoke.texi (Overall Options): Improve wording and markup
2624         of the description of -wrapper.
2625
2626 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2627
2628         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
2629         rdynamic, threads): New Driver options.
2630
2631 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2632
2633         PR target/38118
2634         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
2635         if coming from .tdata.
2636         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
2637
2638 2011-01-06  Jan Hubicka  <jh@suse.cz>
2639
2640         PR lto/47188
2641         * collect2.c (main): Do not enable LTOmode when plugin is active.
2642
2643 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2644
2645         PR other/45915
2646         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
2647         --version output if supported.
2648         * configure: Regenerate.
2649
2650 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
2651
2652         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
2653         Driver options.
2654
2655 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR c/47150
2658         * c-convert.c (convert): When converting a complex expression
2659         other than COMPLEX_EXPR to a different complex type, ensure
2660         c_save_expr is called instead of save_expr, unless in_late_binary_op.
2661         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
2662         when converting COMPLEX_TYPE.
2663
2664 2011-01-06  Ira Rosen  <irar@il.ibm.com>
2665
2666         PR tree-optimization/47139
2667         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
2668         only the last reduction value is used outside the loop.  Update
2669         documentation.
2670
2671 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
2672
2673         * config/rtems.opt: New.
2674         * config.gcc (*-*-rtems*): Use rtems.opt.
2675
2676 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
2677
2678         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
2679         processors do not support 3DNow instructions.
2680
2681 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2682
2683         * config/spu/spu.c (spu_option_override): Set parameter
2684         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
2685
2686 2011-01-05  Jan Hubicka  <jh@suse.cz>
2687
2688         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
2689         at the command line.
2690
2691 2011-01-05  Martin Jambor  <mjambor@suse.cz>
2692
2693         PR lto/47162
2694         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
2695         deltas on streamed outgoing edges.
2696         (output_node_opt_summary): Output info for outgoing edges only when
2697         the node is in new parameter set.
2698         (output_cgraph_opt_summary): New parameter set, passed to the two
2699         aforementioned functions.  Update its forward declaration and its
2700         callee too.
2701
2702 2011-01-05  Tom Tromey  <tromey@redhat.com>
2703
2704         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
2705         operator to c_finish_omp_atomic.
2706         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
2707         (build_unary_op): Update.
2708         (build_modify_expr): Update.
2709         (build_asm_expr): Update.
2710
2711 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2712
2713         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
2714         newly inserted insns.
2715         (pad_bb): Likewise.
2716         (spu_emit_branch_hint): Likewise.
2717         (insert_hbrp_for_ilb_runout): Likewise.
2718         (spu_machine_dependent_reorg): Call df_finish_pass after
2719         schedule_insns returns.
2720
2721 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2722
2723         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
2724
2725 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2726
2727         PR tree-optimization/47005
2728         * tree-sra.c (struct access): Add 'non_addressable' bit.
2729         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
2730         (decide_one_param_reduction): Return 0 if the parameter is passed by
2731         reference and one of the accesses in the group is non_addressable.
2732
2733 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2734
2735         PR tree-optimization/47056
2736         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
2737         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
2738         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
2739
2740 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2741
2742         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
2743         initializer.  Skip view conversions from aggregate types.
2744
2745 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
2746
2747         PR bootstrap/47055
2748         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
2749
2750 2011-01-04  Philipp Thomas <pth@suse.de>
2751
2752         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
2753         obvious typo.
2754
2755 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2756
2757         * function.c (thread_prologue_and_epilogue_insns): Do not crash
2758         on empty epilogue sequences.
2759
2760 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
2761
2762         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
2763         non-static): New Driver options.
2764
2765 2011-01-04  Jie Zhang  <jie@codesourcery.com>
2766
2767         PR driver/47137
2768         * gcc.c (default_compilers[]): Set combinable field to 0
2769         for all assembly languages.
2770
2771 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
2772
2773         * config/mips/loongson3a.md: New file.
2774         * config/mips/mips.md: Include loongson3a.md.
2775         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
2776         TUNE_LOONGSON_3A.
2777
2778 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
2779
2780         PR middle-end/47017
2781         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
2782         instead of convert_memory_address_addr_space on the base expression.
2783
2784 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2785
2786         * config/spu/spu.c (spu_option_override): Update error text
2787         for bad -march= / -mtune= values.
2788
2789 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2790
2791         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
2792         if branch-hint optimization will be performed.
2793
2794 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2795
2796         PR tree-optimization/47148
2797         * ipa-split.c (split_function): Convert arguments to
2798         DECL_ARG_TYPE if possible.
2799
2800         PR tree-optimization/47155
2801         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
2802         when computing uns.
2803
2804         PR rtl-optimization/47157
2805         * combine.c (try_combine): If undobuf.other_insn becomes
2806         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
2807         and set *new_direct_jump_p too.
2808
2809 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2810
2811         PR tree-optimization/47021
2812         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
2813
2814 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
2815
2816         * gcc.c (process_command): Update copyright notice dates.
2817         * gcov.c (print_version): Likewise.
2818         * gcov-dump.c (print_version): Likewise.
2819         * mips-tfile.c (main): Likewise.
2820         * mips-tdump.c (main): Likewise.
2821
2822 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2823
2824         PR tree-optimization/46801
2825         * tree-sra.c (type_internals_preclude_sra_p): Check whether
2826         aggregate fields start at byte boundary instead of the bit-field flag.
2827
2828 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
2829
2830         PR driver/47137
2831         * gcc.c (main): Revert revision 168407.
2832
2833 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2834
2835         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
2836
2837 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2838
2839         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
2840         vector optab to expand vector/scalar shift, update gimple to vector.
2841
2842 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2843
2844         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
2845         a thunk.
2846
2847 2011-01-03  Martin Jambor  <mjambor@suse.cz>
2848
2849         PR tree-optimization/46984
2850         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
2851         HOST_WIDE_INT.
2852         (cgraph_create_indirect_edge): Fixed line length.
2853         (cgraph_indirect_call_info): Declare.
2854         (cgraph_make_edge_direct) Update declaration.
2855         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
2856         (cgraph_create_indirect_edge): Use it.
2857         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
2858         callees.
2859         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
2860         the new thunk_delta representation.
2861         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
2862         HOST_WIDE_INT.
2863         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
2864         (ipa_read_indirect_edge_info): Likewise.
2865         * lto-cgraph.c (output_edge_opt_summary): New function.
2866         (output_node_opt_summary): Call it on all outgoing edges.
2867         (input_edge_opt_summary): New function.
2868         (input_node_opt_summary): Call it on all outgoing edges.
2869
2870 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
2871
2872         PR driver/47137
2873         * gcc.c (main): Don't check have_o when settting combine_inputs.
2874
2875 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         * regrename.c: Add general comment describing the pass.
2878         (struct du_head): Remove 'length' field.
2879         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
2880         (regrename_optimize): Do not sort chains.  Rework comments, add others.
2881         Force renaming to the preferred class (if any) in the first pass and do
2882         not consider registers that belong to it in the second pass.
2883         (create_new_chain): Do not set 'length' field.
2884         (scan_rtx_reg): Likewise.
2885
2886 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
2887
2888         PR tree-optimization/47140
2889         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
2890         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
2891         to bit_value_binop.
2892
2893         PR rtl-optimization/47028
2894         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
2895         parm_birth_insn instead of at the beginning of first bb.
2896
2897 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
2898
2899         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
2900         Remove the word "see" before "@pxref".
2901         * doc/rtl.texi: Remove the word "see" before "@pxref".
2902
2903 2011-01-01  Jan Hubicka  <jh@suse.cz>
2904
2905         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
2906         memory.
2907
2908 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
2909
2910         PR target/38662
2911         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
2912
2913 \f
2914 Copyright (C) 2011 Free Software Foundation, Inc.
2915
2916 Copying and distribution of this file, with or without modification,
2917 are permitted in any medium without royalty provided the copyright
2918 notice and this notice are preserved.