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1 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2
3         PR bootstrap/52172
4         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
5         * cselib.c (cselib_subst_to_values_from_insn): New function.
6         * sched-deps.c (add_insn_mem_dependence,
7         sched_analyze_1, sched_analyze_2): Use it.
8
9 2012-02-13  Jan Hubicka  <jh@suse.cz>
10
11         PR middle-end/52214
12         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
13
14 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
15
16         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
17         (GTM_SELF_SPECS): Define if not already defined.
18         (driver_self_specs): Add GTM_SELF_SPECS.
19         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
20         (GTM_SELF_SPECS): Define.
21         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
22         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
23
24 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
25
26         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
27         away if seen.
28
29         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
30         non-NULL.
31
32         PR middle-end/52230
33         * omp-low.c (expand_omp_for): If a static schedule without
34         chunk size has NULL region->cont, force fd.chunk_size to be
35         integer_zero_node.
36
37 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
38
39         PR c/52190
40         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
41
42 2012-02-13  Richard Guenther  <rguenther@suse.de>
43
44         PR translation/52211
45         * passes.c (enable_disable_pass): Fix typo.
46
47 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
48
49         PR middle-end/52209
50         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
51         XOR for reduce_bit_field if type is unsigned.
52
53 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
54
55         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
56         disallow changes from SFmode to mode with different size in FP regs.
57
58 2012-02-12  Robert Millan  <rmh@gnu.org>
59             Gerald Pfeifer <gerald@pfeifer.com>
60
61         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
62         Tweak comment.
63
64 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
65
66         PR rtl-optimization/52175
67         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
68         to frame-related instructions.
69
70 2012-02-10  Jason Merrill  <jason@redhat.com>
71
72         PR c++/51910
73         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
74         (demangle_new_symbols): Fill it.
75         (scan_linker_output): Walk it.
76         (start_tweaking): Split out from scan_linker_output.
77         (maybe_tweak): Update sym->chosen.
78         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
79
80 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
81
82         PR debug/52132
83         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
84         get_true_reg.
85
86 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
87
88         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
89         having the same mode as previous compare.
90
91 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
92
93         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
94         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
95         (nonlocal_goto_internal): Likewise.
96         (nonlocal_goto): Emit a use and an indirect jump directly.
97
98 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
99
100         PR c/52190
101         * doc/extend.texi : Update comments for __atomic_compare_exchange and
102         __atomic_{is,always}_lock_free.
103
104 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
105
106         PR target/52146
107         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
108         negative constant address for x32.
109
110 2012-02-10  Richard Henderson  <rth@redhat.com>
111
112         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
113         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
114         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
115
116 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
117             Ira Rosen  <irar@il.ibm.com>
118
119         PR tree-optimization/50031
120         * targhooks.c (default_builtin_vectorization_cost): Handle
121         vec_promote_demote.
122         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
123         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
124         all types of reduction and pattern statements.
125         (vect_estimate_min_profitable_iters): Likewise.
126         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
127         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
128         for explicit realigns.
129         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
130         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
131         vec_promote_demote.
132         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
133         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
134         vec_perm for VSX and handle vec_promote_demote.
135
136 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
137
138         PR middle-end/52177
139         * builtins.c (fold_builtin_atomic_always_lock_free,
140         expand_builtin_atomic_always_lock_free,
141         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
142         Return and/or test boolean_true_node/boolean_false_node instead of
143         integer_one_node/integer_zero_node.
144
145 2012-02-10  Jan Hubicka  <jh@suse.cz>
146
147         PR middle-end/48600
148         * predict.c (predict_paths_for_bb): Prevent looping.
149         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
150
151 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
152
153         * config/arm/arm.c (output_move_double): In one case properly
154         count number of instructions that will be emitted.
155
156 2012-02-10  Richard Guenther  <rguenther@suse.de>
157
158         PR translation/52193
159         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
160
161 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
162
163         PR middle-end/52140
164         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
165
166 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
167
168         PR debug/52165
169         * var-tracking.c (emit_note_insn_var_location): If
170         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
171         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
172         non-NOTE_DURING_CALL_P insn.
173
174 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
175
176         PR middle-end/51867
177         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
178
179 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
180
181         PR driver/48524
182         * gcc.c (switch_matches) Support switches with separated form,
183         -D and -U.
184
185 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
186
187         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
188         (SP_ADDR): Ditto.
189         (RAMPZ_ADDR): Ditto.
190         * config/avr/avr.c (avr_addr_t): New typedef.
191         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
192         (avr_init_expanders): Initialize it.
193         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
194         SREG_ADDR.
195         (expand_epilogue): Ditto.
196         (avr_print_operand): Ditto.
197         (avr_file_start): Ditto.
198         (avr_emit_movmemhi): Ditto.
199
200 2012-02-08  Richard Guenther  <rguenther@suse.de>
201
202         PR tree-optimization/46886
203         * tree-flow.h (do_while_loop_p): Declare.
204         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
205         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
206
207 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
208
209         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
210         always succeed for integers larger than a native word.
211
212 2012-02-08  Richard Guenther  <rguenther@suse.de>
213
214         PR rtl-optimization/52170
215         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
216         properly handle integer vector modes.
217
218 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
219
220         PR gcov-profile/52150
221         * coverage.c: Include target.h.
222         (build_var): Call targetm.strip_name_encoding on the assembler name.
223         Change one _ into . or $ if the target allows it.
224         * Makefile.in (coverage.o): Depend on $(TARGET_H).
225
226         PR rtl-optimization/52139
227         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
228         is a BARRIER after emit_insn_after_noloc, move BB_END
229         to the last non-BARRIER insn before it.
230
231 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
232
233         PR middle-end/24306
234         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
235         (mips_gimplify_va_arg_expr): Call it instead of
236         std_gimplify_va_arg_expr.
237
238 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
239
240         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
241         message for -mno-pointers-to-nested-function.
242
243 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
244
245         PR middle-end/51994
246         * expr.c (get_inner_reference): If there is an offset, add a negative
247         bit position to it (if any).
248
249 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
250
251         PR rtl-optimization/52060
252         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
253         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
254         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
255         and/or i0src_copy2 when needed.
256
257 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
258
259         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
260         or LTOPLUGINSONAME if have_c.
261
262         * config/freebsd-spec.h: Add comment about what macros can be defined
263         in this header.
264         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
265         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
266         here instead.
267
268 2012-02-07  Richard Guenther  <rguenther@suse.de>
269
270         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
271         newline in -alias dumps.
272
273 2012-02-07  Kai Tietz  <ktietz@redhat.com>
274             Dave Korn  <dave.korn.cygwin@gmail.com>
275
276         PR target/40068
277         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
278         Take care that typinfo gets dllexport-attribute.
279
280 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
281
282         PR middle-end/52074
283         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
284         if modifier < EXPAND_SUM call force_operand on the result.
285
286 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
287
288         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
289         adding __forwarder_dst__ prefix if a forwarder_section attribute is
290         present.
291         (epiphany_function_type): Replace types for specific interrupts with
292         EPIPHANY_FUNCTION_INTERRUPT.
293         (EPIPHANY_INTERRUPT_P): Update.
294         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
295         New static function.
296         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
297         <disinterrupt>: Affects type identity.
298         (epiphany_handle_interrupt_attribute): Handle variable number of
299         arguments.
300         (epiphany_compute_function_type): Update for new
301         epiphany_function_type definition.
302         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
303         handlers with a longcall forwarder.
304         (epiphany_start_function): Handle multiple interrupt arguments and/or
305         forwarder_section attribute.
306
307         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
308         libgloss.
309
310 2012-02-07  Alan Modra  <amodra@gmail.com>
311
312         PR target/52107
313         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
314         subregs of TFmode.
315
316 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
317
318         PR tree-optimization/50969
319         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
320         use vec_perm rather than vector_stmt.
321         (vect_model_load_cost): Likewise.
322         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
323         vec_perm to be the same as other vector statements.
324         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
325         cost of vec_perm for TARGET_VSX.
326
327 2012-02-06  Richard Guenther  <rguenther@suse.de>
328
329         PR tree-optimization/52115
330         * tree-sra.c (access_has_replacements_p): New function.
331         (sra_modify_assign): Use it to decide whether a use is uninitialized.
332
333 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
334
335         PR middle-end/52047
336         * trans-mem.c (expand_call_tm): Add an assertion.
337         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
338         functions.
339
340 2012-02-06  Richard Guenther  <rguenther@suse.de>
341
342         PR tree-optimization/50955
343         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
344         raise cost of expressions that replace an address with an
345         expression based on a different pointer.
346
347 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
348
349         PR target/52129
350         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
351         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
352
353 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
354
355         PR c++/48680
356         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
357         -Weffc++ and specify guidelines come from second edition.
358
359 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
360
361         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
362         (sibcall_value_multiple_internal, call_split, call_internal_direct)
363         (call_direct_split, call_value_split, call_value_internal_direct)
364         (call_value_direct_split, call_value_multiple_split): Use jal and
365         jal_macro attributes.
366
367 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
368
369         * reload1.c (reload_regs_reach_end_p): Replace with...
370         (reload_reg_rtx_reaches_end_p): ...this function.
371         (new_spill_reg_store): Update commentary.
372         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
373         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
374         before setting new_spill_reg_store.
375         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
376         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
377         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
378         for non-spill reload registers.
379
380 2012-02-05  Ira Rosen  <irar@il.ibm.com>
381
382         PR tree-optimization/52091
383         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
384         (vect_is_simple_use_1): Likewise.
385         * tree-vect-loop.c (vectorizable_reduction): Update calls
386         to vect_is_simple_use_1 and vect_is_simple_use.
387         (vectorizable_live_operation): Likewise.
388         * tree-vect-patterns.c (widened_name_p,
389         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
390         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
391         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
392         vectorizable_shift,vectorizable_operation, vectorizable_store,
393         vectorizable_load): Likewise.
394         (vect_is_simple_cond): Add an argument, pass it to
395         vect_is_simple_use_1.
396         (vectorizable_condition): Update calls to vect_is_simple_cond,
397         vect_is_simple_use.
398         (vect_is_simple_use): Add an argument, the statement in which
399         OPERAND is used.  Check that if OPERAND's def stmt is a double
400         reduction phi node, the use is a phi node too.
401         (vect_is_simple_use_1): Add an argument, pass it to
402         vect_is_simple_use.
403         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
404         to vect_is_simple_use.
405
406 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
407
408         PR rtl-optimization/52095
409         * modulo-sched.c (dump_insn_locator): New function.
410         (loop_canon_p, sms_schedule): Use it.
411
412         PR rtl-optimization/52113
413         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
414         even for decomposable shift/zext insns.
415
416 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
417             Zdenek Dvorak  <ook@ucw.cz>
418
419         PR rtl-optimization/52092
420         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
421         on get_iv_value result.
422
423 2012-02-02  Andrew Pinski  <apinski@cavium.com>
424
425         PR middle-end/47982
426         PR middle-end/43967
427         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
428
429 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
430
431         PR middle-end/48071
432         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
433
434 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
435
436         PR rtl-optimization/49800
437         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
438         (sched_finish): Call regstat_free_n_sets_and_refs.
439
440 2012-02-02  Jia Liu  <proljc@gmail.com>
441
442         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
443         than operand 2.
444
445 2012-02-02 Jan Hubicka  <jh@suse.cz>
446            Tom de Vries  <tom@codesourcery.com>
447
448         PR middle-end/51998
449         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
450         * varpool.c (varpool_analyze_pending_decls): Likewise.
451
452 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
453             Jayant R Sonar <jayant.sonar@kpitcummins.com>
454
455         * config.gcc: Add cr16-* support.
456
457         * doc/extend.texi: Document cr16 extensions.
458         * doc/install.texi: Document cr16 install.
459         * doc/invoke.texi: Document cr16 options.
460         * doc/md.texi: Document cr16 constraints.
461
462         * common/config/cr16/cr16-common.c: New file.
463         * config/cr16/cr16.c: New file.
464         * config/cr16/cr16.h: New file.
465         * config/cr16/cr16.md: New file.
466         * config/cr16/cr16.opt: New file.
467         * config/cr16/cr16-protos.h: New file.
468         * config/cr16/predicates.md: New file.
469         * config/cr16/constraints.md: New file.
470         * config/cr16/t-cr16: New file.
471
472 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
473
474         PR target/52086
475         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
476         that operands[2] is either immediate, or q_regs_operand.
477
478         PR tree-optimization/52073
479         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
480         a pattern stmt for pattern uses, ignore uses outside of the loop.
481
482 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
483
484         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
485         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
486         (OUT_AS1, OUT_AS2): Remove.
487
488 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
489
490         PR rtl-optimization/51374
491         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
492         to cross other volatile_refs_p insns.
493
494 2012-02-01  Richard Guenther  <rguenther@suse.de>
495
496         * doc/invoke.texi (fno-inline): Clarify documentation.
497         (finline-small-functions): Likewise.
498         (finline-functions): Likewise.
499         * common.opt (finline): Adjust comment and documentation.
500         (finline-small-functions): Clarify documentation.
501         (finline-functions): Likewise.
502         (finline-functions-called-once): Likewise.
503
504 2012-02-01  Tristan Gingold  <gingold@adacore.com>
505
506         * c-typeck.c (composite_type): Keep mode for pointers.
507
508 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
509
510         * function.h (regno_reg_rtx): Adjust comment.
511         * reginfo.c (init_reg_modes_target): Only use the previous mode
512         if it fits within one register.  Remove MIPS comment.
513
514 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
515
516         PR bootstrap/52058
517         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
518
519 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
520
521         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
522         to srak instruction.
523
524 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
525
526         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
527
528 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
529
530         PR bootstrap/52041
531         PR bootstrap/52039
532         PR target/51974
533         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
534
535 2012-01-31  Richard Guenther  <rguenther@suse.de>
536
537         PR tree-optimization/51528
538         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
539         assigns.
540
541 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
542
543         PR bootstrap/52041
544         PR bootstrap/52039
545         PR target/51974
546         * ree.c (add_removable_extension): Change def_map argument
547         to unsigned *, store in def_map 1 + offset into *insn_list vector
548         instead of pointers into the vector.
549         (find_removable_extensions): Adjust caller.
550
551 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
552
553         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
554         Transform all "* quoted-c-code" to { c-code }.
555         Remove redundant test for "optimize" in combine patterns.
556         Move (include "avr-dimode.md") to end of file.
557
558 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
559
560         PR target/51835
561         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
562         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
563
564 2012-01-30  Richard Guenther  <rguenther@suse.de>
565
566         PR tree-optimization/52028
567         * tree-loop-distribution.c (ldist_gen): Properly update
568         virtual SSA form.
569
570 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
571
572         PR debug/52027
573         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
574         set_cur_line_info_table if not emitting debug info.
575
576         PR tree-optimization/52046
577         * tree-vect-patterns.c (check_bool_pattern): Give up if
578         a comparison could throw.
579
580         PR debug/52048
581         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
582
583 2012-01-30  Richard Guenther  <rguenther@suse.de>
584
585         PR tree-optimization/52045
586         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
587         SSA form if cfgcleanup did anything.
588
589 2012-01-30  Richard Guenther  <rguenther@suse.de>
590
591         PR tree-optimization/52045
592         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
593         before computing final todo.
594
595 2012-01-30  Richard Guenther  <rguenther@suse.de>
596
597         PR tree-optimization/51528
598         * tree-sra.c (sra_modify_assign): Re-factor in preparation
599         for PR51528 fix.
600
601 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
602
603         * df-problems.c (df_kill_notes): Check that the use refers
604         to the note under examination.
605
606 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
607
608         PR target/51920
609         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
610         parameter and use short-lived pseudos.
611         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
612         (sparc_expand_vector_init): Const-ify local variables and adjust
613         calls to above functions.
614
615 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
616
617         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
618
619 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
620
621         * doc/invoke.texi: Make usage of "compile time" and
622         "run time"/"runtime" consistent throughout the file.
623
624 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
625
626         * config/alpha/alpha.c (alpha_option_override): Default to
627         full IEEE compliance mode for Go language.
628
629 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
630
631         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
632         (LINK_SSP_SPEC): Define.
633
634 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
635
636         PR target/51871
637         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
638         stubs.
639
640 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
641
642         * doc/invoke.texi: Correct hyphenation of "floating point",
643         "double precision", and related terminology throughout the file.
644
645 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
646
647         PR target/52006
648         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
649         arm_general_register_operand predicate for operand 2 instead of
650         register_operand.
651
652 2012-01-27  Ian Lance Taylor  <iant@google.com>
653
654         PR go/47656
655         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
656         * builtins.c (expand_builtin_init_trampoline): Add onstack
657         parameter.  Change caller.
658         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
659         * tree.c (build_common_builtin_nodes): Declare
660         __builtin_init_heap_trampoline.
661
662 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
663
664         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
665         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
666         * config/avr/avr.c: Ditto.
667         (avr_regnames): Remove because unused.
668         * config/avr/avr.md (*cpse.ne): New peephole.
669         (*cpse.eq): New peephole from former cpse peepholes.
670
671 2012-01-27  Michael Eager  <eager@eagercon.com>
672
673         * config/microblaze.c (microblaze_emit_compare): Correct
674         test after pcmp instruction.
675
676 2012-01-27  Richard Guenther  <rguenther@suse.de>
677
678         PR tree-optimization/52020
679         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
680
681 2012-01-27  Richard Guenther  <rguenther@suse.de>
682
683         * ipa-pure-const.c (check_stmt): Clobbers do not make a
684         function non-const/pure.
685
686 2012-01-27  Richard Guenther  <rguenther@suse.de>
687
688         PR tree-optimization/50444
689         * tree-sra.c (build_ref_for_offset): Properly adjust the
690         MEM_REF type for unaligned accesses.
691
692 2012-01-27  Richard Guenther  <rguenther@suse.de>
693
694         PR tree-optimization/50444
695         * expr.c (mem_ref_refers_to_non_mem_p): New function.
696         (expand_assignment): Use it.  Properly handle misaligned
697         bases when expanding stores to component references.
698         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
699         refactor that case.
700
701 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
702
703         PR middle-end/51389
704         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
705         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
706         * tree-data-ref.c (find_data_references_in_loop): Make static.
707         (compute_all_dependences): Change return type to bool.  Bail out
708         for too many datarefs in a loop.  Move the hunk resetting the data
709         dependences vector from ...
710         (compute_data_dependences_for_loop): ... here.  Account for
711         compute_all_dependences returning false.
712         (compute_data_dependences_for_bb): Likewise.
713         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
714         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
715
716 2012-01-27  Richard Guenther  <rguenther@suse.de>
717
718         PR middle-end/51959
719         * expr.c (store_field): Use the alias-set of the scratch memory
720         for storing to it.
721
722 2012-01-27  Tom de Vries  <tom@codesourcery.com>
723
724         PR tree-optimization/51990
725         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
726         WITH_SIZE_EXPR.
727         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
728
729 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
730
731         PR debug/52001
732         * var-tracking.c (reverse_op): Don't add any reverse operation
733         if V already has any constant locations.
734
735 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
736
737         * doc/invoke.texi: Correct usage of "command line" (noun)
738         vs "command-line" (adjective) throughout.
739
740 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
741
742         * doc/invoke.texi (Language Independent Options): Move
743         -Wcoverage-mismatch blurb from here....
744         (Warning Options): ...to here.
745
746 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
747
748         * config/rs6000/rs6000.c (rs6000_option_override_internal):
749         Set rs6000_always_hint to false for 476.
750
751 2012-01-27  Matthias Klose  <doko@ubuntu.com>
752
753         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
754           system root.
755         * incpath.c (add_standard_paths): Likewise.
756
757 2012-01-27  Richard Henderson  <rth@redhat.com>
758
759         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
760         * config/m68k/sync.md (atomic_test_and_set): Rename from
761         sync_test_and_setqi and adjust the operands.
762         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
763         and unconditionally enable.
764
765 2012-01-27  Richard Henderson  <rth@redhat.com>
766
767         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
768         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
769         (ldstub): Rename from ldstubqi.
770         (ldstub<I24MODE>): Remove.
771
772 2012-01-27  Richard Henderson  <rth@redhat.com>
773
774         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
775         * c-cppbuiltin.c (cpp_atomic_builtins): Define
776         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
777         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
778         * doc/tm.texi: Rebuild.
779
780 2012-01-27  Richard Henderson  <rth@redhat.com>
781
782         * optabs.c (gen_atomic_test_and_set): Remove default.
783         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
784
785 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
786
787         PR rtl-optimization/51978
788         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
789         (combine_reaching_defs): Likewise.
790         (struct re_info): Remove.
791         (add_removable_extension): Remove x and data arguments,
792         add insn, insn_list and def_map.  Use the arguments directly
793         instead of using struct re_info.
794         (find_removable_extensions): Don't call add_removable_extension
795         through note_stores, instead just call it with single_set
796         result if non-NULL.
797         (find_and_remove_re): Pass curr_cand->expr instead of
798         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
799
800 2012-01-26  Michael Matz  <matz@suse.de>
801
802         PR tree-optimization/46590
803         * cfgexpand.c: Revert last change (r183305).
804         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
805         regs.
806         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
807         checking for emptiness.
808
809 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
810
811         PR middle-end/51895
812         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
813         non-addressable non-BLKmode base correctly.
814
815 2012-01-26  Michael Matz  <matz@suse.de>
816
817         PR tree-optimization/48794
818         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
819         regions referenced from RESX/EH_DISPATCH.
820
821 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
822
823         * config/s390/s390.h: Make BRANCH_COST an option.
824         * config/s390/s390.opt: New option -mbranch-cost.
825
826 2012-01-26  Richard Henderson  <rth@redhat.com>
827
828         Revert 2012-01-24 change:
829         * trans-mem.c (requires_barrier): Do not instrument thread local
830         variables and emit save/restore for them.
831
832 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
833
834         PR middle-end/51986
835         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
836         for pat == 0.
837
838 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
839
840         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
841         ASM_OPERANDS.
842
843 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
844
845         PR target/49868
846         Rename __pgm to __flash.
847         Rename __pgm1 to __flash1.
848         Rename __pgm2 to __flash2.
849         Rename __pgm3 to __flash3.
850         Rename __pgm4 to __flash4.
851         Rename __pgm5 to __flash5.
852         Rename __pgmx to __memx.
853         * doc/extend.texi (AVR Named Address Spaces)
854         Rename address space names as indicated above.
855         * config/avr/avr.c (avr_addrspace): Ditto.
856
857         * config/avr/avr-protos.h
858         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
859         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
860         * config/avr/predicates.md: Ditto.
861         * config/avr/avr.c Ditto, and
862         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
863         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
864
865         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
866         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
867         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
868         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
869         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
870         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
871         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
872         * config/avr/avr.c: Ditto.
873         * config/avr/avr.md: Ditto.
874
875 2012-01-25  Jason Merrill  <jason@redhat.com>
876
877         PR c++/51992
878         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
879
880 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
881
882         PR tree-optimization/51987
883         * tree-data-ref.c (get_references_in_stmt): Handle references in
884         non-volatile GIMPLE_ASM.
885
886 2012-01-25  Richard Guenther  <rguenther@suse.de>
887
888         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
889         bases are dereferenced.
890
891 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
892
893         PR rtl-optimization/48374
894         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
895
896 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
897
898         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
899         compute_data_dependences_for_loop returns false.
900         * tree-parloops.c (loop_parallel_p): Likewise.
901
902 2012-01-25  Richard Guenther  <rguenther@suse.de>
903
904         * tree.h (get_pointer_alignment_1): Declare.
905         * builtins.c (get_pointer_alignment_1): New function.
906         (get_pointer_alignment): Use it.
907
908 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
909
910         PR rtl-optimization/48308
911         * combine.c (enum undo_kind): Add UNDO_LINKS.
912         (struct undo): Add member l to other_contents and where.
913         (do_SUBST_LINK): New.
914         (SUBST_LINK): New.
915         (try_combine): Handle LOG_LINKS for the dummy i1 case.
916         (undo_all): Handle UNDO_LINKS.
917
918 2012-01-25  Richard Henderson  <rth@redhat.com>
919
920         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
921         mem inputs.
922
923 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
924
925         * optabs.c (gen_atomic_test_and_set): Use each argument.
926
927 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
928
929         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
930         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
931         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
932         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
933         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
934         TARGET_PAIRED_SINGLE_FLOAT.
935
936 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
937
938         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
939         (in_struct, return_val): Remove MEM documentation.
940         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
941         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
942         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
943         and MEM_SCALAR.
944         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
945         * cfgexpand.c (add_alias_set_conflicts): Likewise.
946         * expr.c (store_field): Likewise.
947         * function.c (assign_stack_temp_for_type): Likewise.
948         * ifcvt.c (noce_try_cmove_arith): Likewise.
949         * reload1.c (reload): Likewise.
950         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
951         (alpha_set_memflags): Likewise.
952         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
953
954 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
955
956         * rtl.h (true_dependence, canon_true_dependence): Remove varies
957         parameter.
958         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
959         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
960         (true_dependence_1, true_dependence, canon_true_dependence): Remove
961         varies parameter.
962         * cselib.c (cselib_rtx_varies_p): Delete.
963         (cselib_invalidate_mem): Update call to canon_true_dependence.
964         * dse.c (record_store, check_mem_read_rtx): Likewise.
965         (scan_reads_nospill): Likewise.
966         * cse.c (check_dependence): Likewise.
967         (cse_rtx_varies_p): Delete.
968         * expr.c (safe_from_p): Update call to true_dependence.
969         * ira.c (validate_equiv_mem_from_store): Likewise.
970         (memref_referenced_p): Likewise.
971         * postreload-gcse.c (find_mem_conflicts): Likewise.
972         * sched-deps.c (sched_analyze_2): Likewise.
973         * store-motion.c (load_kills_store): Likewise.
974         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
975         * gcse.c (mems_conflict_for_gcse_p): Likewise.
976         (compute_transp): Update call to canon_true_dependence.
977
978 2012-01-25  Richard Henderson  <rth@redhat.com>
979
980         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
981         (maybe_emit_atomic_test_and_set): New.
982         (expand_sync_lock_test_and_set): Use it.
983         (expand_atomic_test_and_set): Likewise.
984         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
985         the implementation; clarify implementation defined details.
986         * doc/md.texi (atomic_test_and_set): Document.
987
988 2012-01-25  Richard Henderson  <rth@redhat.com>
989
990         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
991
992 2012-01-25  Richard Henderson  <rth@redhat.com>
993
994         PR target/51968
995         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
996         to effect no-op split.
997
998 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
999
1000         PR lto/51698
1001         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1002         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1003         (BT_FN_VOID_PTR_INT_SIZE): New.
1004         (BT_FN_UINT_UINT_VAR): Remove.
1005         (BT_FN_UINT32_UINT32_VAR): New.
1006         (BT_FN_DOUBLE_VPTR): Remove.
1007         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1008
1009         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1010         (_ITM_changeTransactionMode): Same.
1011         (_ITM_memmoveRtWt): Change return type to void.
1012         (_ITM_memcpyRtWt): Same.
1013         (_ITM_memsetW): Same.
1014         (_ITM_RaRD): Change types to double.
1015         (_ITM_RD): Same.
1016         (_ITM_RaWD): Same.
1017         (_ITM_RfWD): Same.
1018
1019         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1020
1021 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
1022             Patrick Marlier  <patrick.marlier@gmail.com>
1023
1024         * trans-mem.c (requires_barrier): Do not instrument thread local
1025         variables and emit save/restore for them.
1026
1027 2012-01-24  Jason Merrill  <jason@redhat.com>
1028
1029         PR c++/51812
1030         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1031         output static aliases.
1032
1033 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR driver/47249
1036         * common.opt (-pie, -shared, pie, shared): Change from Common to
1037         Driver.
1038         * gcc.c (display_help): Display help for -pie and -shared.
1039
1040 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1041
1042         PR target/49868
1043         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1044         Remove note on size/offset limitation.
1045         (AVR Variable Attributes): Add example how to read data located
1046         with progmem.  Refer to named address spaces.
1047         * doc/invoke.texi (AVR Options): Fix typo.
1048
1049 2012-01-24  Richard Guenther  <rguenther@suse.de>
1050
1051         Forward-port to trunk
1052         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1053
1054         PR middle-end/45678
1055         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1056         op0 isn't sufficiently aligned and there is movmisalignM
1057         insn for mode, use it to load op0 into a temporary register.
1058
1059 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1060
1061         PR target/51957
1062         * target.def (const_not_ok_for_debug_p): New hook.
1063         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1064         documentation.
1065         * doc/tm.texi: Regenerated.
1066         * dwarf2out.c (const_ok_for_output_1): If
1067         targetm.const_not_ok_for_debug_p returns true, fail.
1068         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1069         function.
1070         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1071
1072 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1073
1074         PR target/51900
1075         * config/i386/predicates.md (symbolic_operand): Allow
1076         UNSPEC_PCREL as PIC expression for lea.
1077         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1078         * config/i386/i386.c (ix86_delegitimize_address): Handle
1079         UNSPEC_PCREL for none-MEM, too.
1080
1081 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1082
1083         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1084         (ipa_tm_create_version_alias): Same.
1085
1086 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1087
1088         PR libitm/51830
1089         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1090         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1091
1092 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1093             Patrick Marlier  <patrick.marlier@gmail.com>
1094             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1095
1096         PR lto/51916
1097         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1098         simple_object_start_read.
1099
1100 2012-01-23  Richard Guenther  <rguenther@suse.de>
1101
1102
1103         PR tree-optimization/51895
1104         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1105         parameter decomposition into BLKmode components.
1106
1107 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1108
1109         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1110         fake variables for restrict-qualified pointers whose pointed-to type
1111         contains a placeholder.
1112
1113 2012-01-23  Richard Guenther  <rguenther@suse.de>
1114
1115         PR tree-optimization/51949
1116         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1117
1118 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1119
1120         PR rtl-optimization/51933
1121         * ree.c (transform_ifelse): Return true right away if dstreg is
1122         already wider or equal to cand->mode.
1123         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1124         (make_defs_and_copies_lists): Remove defs_list and copies_list
1125         arguments, add state argument, just truncate state->work_list
1126         instead of always allocating and freeing the vector.  Assert that
1127         get_defs succeeds instead of returning 2.  Changed return type to bool.
1128         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1129         have ext_src_mode, see if it has been modified already with the
1130         right kind of extension and has been extended before from the
1131         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1132         just return true.  Remember the original mode in state->modified array.
1133         (combine_reaching_defs): Add state argument.  Don't allocate and
1134         free here def_list, copied_list and vec vectors, instead just
1135         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1136         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1137         Add state variable, clear vectors in it, initialize state.modified
1138         if needed.  Free all the vectors at the end and state.modified too.
1139         Don't skip a candidate if the extension expression has been modified.
1140
1141 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1142
1143         PR target/47096
1144         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1145          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1146         (extra_options) interix.opt -> i386/interix.opt"
1147         (extra_objs):Add winnt-stubs.o
1148         * configure.ac: Add interix to target_os .comm on PE check.
1149         * configure: Regenerate.
1150         * config/interix3.h: Delete and move bits to..
1151         * config/interix.h: Delete and move bits to..
1152         * config/i386/i386-interix3.h: Delete and move bits to..
1153         * config/i386/i386-interix.h: ..here.
1154         (TARGET_CPU_DEFAULT): Remove redefinition.
1155         (TARGET_ASM_CONSTRUCTOR): Undefine.
1156         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1157         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1158         (PTRDIFF_TYPE): Define.
1159         (LONG_DOUBLE_TYPE_SIZE): Define.
1160         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1161         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1162         (TARGET_SECTION_TYPE_FLAGS): Define.
1163         (ASM_DECLARE_FUNCTION_NAME): Define.
1164         (ASM_OUTPUT_EXTERNAL): Define.
1165         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1166         (ASM_OUTPUT_ALIGNED_BSS): Define.
1167         (PCC_BITFIELD_TYPE_MATTERS): Define.
1168         (USE_CONST_SECTION): Define.
1169         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1170         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1171         (SUPPORTS_ONE_ONLY): Remove.
1172         (I386_PE_STRIP_ENCODING): Define.
1173         * config/interix.opt: Delete and move bits to..
1174         * config/i386/interix.opt: ..here. New.
1175         (mpe-aligned-commons): Add.
1176         * config/i386/t-interix: Add copyright header.
1177         (winnt-stubs.o): Add rule.
1178
1179 2012-01-22  Jason Merrill  <jason@redhat.com>
1180
1181         PR c++/51832
1182         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1183         for extra name aliases.
1184
1185 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1186
1187         PR rtl-optimization/51924
1188         * ree.c (combine_set_extension): Improve debugging message.
1189         (combine_reaching_defs): Likewise.
1190         (get_defs): Rename confusingly named variable.
1191         (find_and_remove_re): Skip a candidate if the extension expression has
1192         been modified.
1193
1194 2012-01-21  Robert Millan  <rmh@gnu.org>
1195             Gerald Pfeifer  <gerald@pfeifer.com>
1196
1197         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1198         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1199
1200 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1201
1202         PR tree-optimization/51914
1203         * tree-vect-stmts.c (vectorizable_conversion): For
1204         cvt_type && modifier == WIDEN, put temporary with cvt_type
1205         at the beginning of vec_dsts and set vec_dest to temporary
1206         with vectype_out.
1207
1208 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1209
1210         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1211
1212 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1213
1214         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1215         * config/rs6000/rs6000.c: Likewise.
1216
1217 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1218
1219         PR target/51915
1220         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1221         output_move_double on a copy of operands array.
1222
1223 2012-01-20  Cary Coutant  <ccoutant@google.com>
1224             Dodji Seketeli  <dodji@redhat.com>
1225
1226         PR debug/45682
1227         * dwarf2out.c (copy_declaration_context): Return ref to parent
1228         of declaration DIE, if necessary.
1229         (remove_child_or_replace_with_skeleton): Add new parameter; update
1230         caller.  Place skeleton DIE under parent DIE of original declaration.
1231         Move call to copy_declaration_context to here ...
1232         (break_out_comdat_types): ... from here.
1233
1234 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1235
1236         PR rtl-optimization/51856
1237         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1238         flag to reloaded.
1239
1240 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1241
1242         PR target/51819
1243         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1244         hints for neon loads and stores.
1245
1246 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1247
1248         PR target/49868
1249         PR target/50887
1250         * doc/extend.texi (Named Address Spaces): Split into subsections.
1251         (AVR Named Address Spaces): New subsection.
1252         (M32C Named Address Spaces): New subsection.
1253         (RL78 Named Address Spaces): New subsection.
1254         (SPU Named Address Spaces): New subsection.
1255         (Variable Attributes): New anchor "AVR Variable Attributes".
1256         (AVR Variable Attributes): Rewrite and avoid wording
1257         "address space" in this context.
1258         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1259         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1260         (AVR Built-in Macros): New subsubsection therein.
1261         * doc/md.texi (AVR constraints): Remove "C04", "R".
1262
1263 2012-01-20  Richard Guenther  <rguenther@suse.de>
1264
1265         PR tree-optimization/51903
1266         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1267         when removing stmts.
1268
1269 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1270
1271         PR target/50313
1272         * config/arm/arm.c (arm_load_pic_register): Use
1273         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1274         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1275         (arm_pic_static_addr): Likewise.
1276         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1277         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1278         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1279         (pic_load_addr_unified): New.
1280
1281 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1282
1283         PR target/51106
1284         * function.c (instantiate_virtual_regs_in_insn): Use
1285         delete_insn_and_edges when removing a wrong asm insn.
1286
1287 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1288
1289         PR rtl-optimization/40761
1290         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1291         Add new member loop_num.
1292         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1293         (ira_build): Remove the parameter.
1294
1295         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1296         (ira.c): Do not build CFG loops for one region allocation.  Remove
1297         argument from ira_build call.
1298
1299         * ira-build.c (init_loop_tree_node): New function.
1300         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1301         loops are not built.
1302         (more_one_region_p): Check current_loops.
1303         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1304         built.
1305         (add_loop_to_tree): Process loop equal to NULL too.
1306         (form_loop_tree): Separate the case when CFG loops are not built.
1307         Use explicitly number for the root.
1308         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1309         an assertion.
1310         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1311         instead of loop->num.
1312         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1313         (mark_all_loops_for_removal): Ditto.
1314         (remove_unnecessary_regions): Separate the case when CFG loops
1315         are not built.
1316         (ira_build): Remove the parameter.  Use explicit number of regions
1317         when CFG loops are not built.
1318
1319         * ira-color.c (print_loop_title): Separate the case for the root node.
1320         Use loop_num instead of loop->num.
1321         (move_spill_restore): Use loop_num instead of loop->num.
1322
1323         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1324         (change_loop): Ditto.
1325         (change_loop): Use loop_num instead of loop->num.
1326
1327         * ira-lives.c (process_bb_node_lives): Ditto.
1328
1329         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1330
1331         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1332
1333 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1334
1335         PR libmudflap/40778
1336         * tree-mudflap.c (mf_artificial): New function.
1337         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1338         mx_register_decls, mudflap_enqueue_decl): Use it.
1339
1340         PR target/51876
1341         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1342         numbers in the insn pattern.
1343
1344 2012-01-19  Michael Matz  <matz@suse.de>
1345
1346         PR tree-optimization/46590
1347         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1348         use it in remembering which conflicts we already created.
1349         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1350         bitmap.
1351
1352 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1353
1354         PR lto/51280
1355         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1356         (merge_and_complain): Same.
1357
1358 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1359
1360         PR bootstrap/50237
1361         * config/initfini-array.h: Guard content of the header
1362         with #ifdef HAVE_INITFINI_ARRAY.
1363         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1364         Add initfini-array.h to tm_file here.
1365         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1366         * config.gcc: Don't add initfini-array.h to tm_file here.
1367         * configure: Regenerated.
1368
1369 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1370
1371         PR rtl-optimization/51505
1372         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1373         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1374         (df_note_bb_compute): Update the call to df_kill_notes.
1375
1376 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1377
1378         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1379
1380 2012-01-18  Richard Guenther  <rguenther@suse.de>
1381
1382         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1383         of conversions to void *.
1384
1385 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1386             Richard Sandiford  <rdsandiford@googlemail.com>
1387
1388         PR middle-end/50325
1389         PR middle-end/51192
1390         * optabs.h (simplify_expand_binop): Declare.
1391         * optabs.c (simplify_expand_binop): Make global.
1392         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1393         endian targets if the source cannot be exactly covered by word
1394         mode chunks.
1395
1396 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR bootstrap/51872
1399         * hard-reg-set.h (struct hard_reg_set_container): New type.
1400         * target.h (struct hard_reg_set_container): Forward declare.
1401         * target.def (set_up_by_prologue): New target hook.
1402         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1403         * doc/tm.texi: Regenerated.
1404         * function.c (thread_prologue_and_epilogue_insns): Change
1405         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1406         Call targetm.set_up_by_prologue on it.
1407         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1408         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1409
1410 2012-01-17  Nick Clifton  <nickc@redhat.com>
1411
1412         * config/rx/rx.c (rx_can_use_simple_return): New function.
1413         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1414         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1415
1416 2012-01-17  Richard Guenther  <rguenther@suse.de>
1417
1418         PR middle-end/51782
1419         * expr.c (expand_assignment): Take address-space information
1420         from the address operand of MEM_REF and TARGET_MEM_REF.
1421         (expand_expr_real_1): Likewise.
1422
1423 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1424
1425         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1426         reload dump is requested.
1427
1428 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1429
1430         PR other/51165
1431         * trans-mem.c (requires_barrier): Call may_be_aliased.
1432
1433 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1434
1435         PR tree-optimization/51877
1436         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1437         call arguments and fndecls compare equal, instead return false if they
1438         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1439         both SSA_NAMEs that are valueized the same, or they satisfy
1440         operand_equal_p.
1441
1442 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1443
1444         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1445         Solaris 11+.
1446         * configure: Regenerate.
1447
1448 2012-01-16  Jan Hubicka  <jh@suse.cz>
1449
1450         PR c/12245
1451         PR c++/14179
1452         * convert.c (convert_to_integer): Use fold_convert for
1453         converting an INTEGER_CST to integer type.
1454
1455 2012-01-16  Jason Merrill  <jason@redhat.com>
1456
1457         PR c++/14179
1458         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1459
1460 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1461
1462         PR bootstrap/51860
1463         * config/s390/s390.c (s390_chunkify_start): Don't skip
1464         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1465         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1466         If insn is followed by NOTE_INSN_VAR_LOCATION or
1467         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1468         Don't use location of note insns.
1469
1470         PR tree-optimization/51865
1471         * tree-inline.c (tree_function_versioning): Call remap_decl
1472         on DECL_RESULT whenever it has VOID_TYPE_P type.
1473
1474 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1475
1476         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1477         for calls to locally-binding MIPS16 functions if only the return
1478         type uses float regs.
1479
1480 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1481             Richard Sandiford  <rdsandiford@googlemail.com>
1482
1483         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1484         (SYMBOL_32_HIGH): Likewise.
1485         (mips_output_tls_reloc_directive): Declare.
1486         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1487         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1488         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1489         (mips_lo_relocs, mips_hi_relocs): Make extern.
1490         (mips16_stub_function): Move up file.
1491         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1492         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1493         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1494         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1495         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1496         (mips_get_tp): Add MIPS16 support.
1497         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1498         Generalize DTPREL and TPREL handling.
1499         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1500         Add MIPS16 TLS support.
1501         (mips_output_tls_reloc_directive): New function.
1502         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1503         * config/mips/predicates.md (symbolic_operand_with_high)
1504         (tls_reloc_operand): New predicates.
1505         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1506         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1507         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1508         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1509         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1510         (*tls_get_tp_mips16_call_<mode>): Likewise.
1511
1512 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1513
1514         PR rtl-optimization/51821
1515         * recog.c (peep2_find_free_register): Determine clobbered registers
1516         from insn pattern.
1517
1518 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1519
1520         PR target/50925
1521         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1522         * config/avr/avr.c: Likewise.
1523         * config/avr/avr.h: Likewise.
1524
1525 2012-01-13  Ian Lance Taylor  <iant@google.com>
1526
1527         PR c++/50012
1528         * tree.h (TYPE_QUALS): Add cast to int.
1529         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1530
1531 2012-01-13  Ian Lance Taylor  <iant@google.com>
1532
1533         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1534         comparing param_index to VEC_length result.
1535
1536 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1537
1538         * c-decl.c: Do not include tree-mudflap.h
1539         * tree-optimize.c: Likewise.
1540         * Makefile.in: Update dependencies.
1541
1542 2012-01-13  Richard Guenther  <rguenther@suse.de>
1543
1544         PR middle-end/8081
1545         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1546         variable-sized result always use RSO.
1547
1548 2012-01-12  DJ Delorie  <dj@redhat.com>
1549
1550         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1551         pointer type, not just the default pointer type.
1552
1553 2012-01-09  Richard Henderson  <rth@redhat.com>
1554             Denis Chertykov  <chertykov@gmail.com>
1555
1556         PR target/50925
1557         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1558         * config/avr/avr.c (avr_can_eliminate): Simplify.
1559         (avr_initial_elimination_offset): Likewise.
1560         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1561         (expand_epilogue): Likewise.
1562         (avr_legitimize_address): Gut.
1563         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1564         (avr_hard_regno_nregs): New.
1565         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1566         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1567         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1568         add soft frame pointer.
1569         (CALL_USED_REGISTERS): Likewise.
1570         (REG_CLASS_CONTENTS): Likewise.
1571         (REGISTER_NAMES): Likewise.
1572         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1573         (HARD_FRAME_POINTER_REGNUM): New.
1574         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1575         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1576         remove the HARD_FRAME_POINTER self-elimination.
1577
1578 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1579
1580         PR target/51756
1581         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1582         DECL_EXTERNAL when checking for initializers of progmem variables.
1583
1584 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1585
1586         PR tree-optimization/51799
1587         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1588         that the last operation is a type demotion.
1589
1590 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1591
1592         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1593         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1594
1595 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR bootstrap/51796
1598         * combine.c (distribute_notes): If i3 is a noreturn call,
1599         allow old_size to be equal to args_size and make sure the
1600         noreturn call gets REG_ARGS_SIZE note.
1601         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1602         on noreturn calls even when the delta is 0.
1603
1604 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1605
1606         * gcov.c (STRING_SIZE): Remove.
1607         (generate_results): Erase annotations for source files with no
1608         coverage information.
1609         (read_line): New.
1610         (output_lines): Use it.
1611
1612 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1613
1614         * gimple.h (gimplify_body): Remove first argument.
1615         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1616         pointer set here, instead just pass DATA to walk_tree.
1617         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1618         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1619         (unvisit_body): Likewise, but with unmark_visited.
1620         (gimplify_body): Remove BODY_P argument and adjust.
1621         (gimplify_function_tree): Adjust call to gimplify_body.
1622         * omp-low.c (finalize_task_copyfn): Likewise.
1623
1624 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1625
1626         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1627         (build_function_type_skip_args): Delete.
1628         * tree.c (build_function_type_skip_args): Make static and add
1629         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1630         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1631         pass it to build_function_type_skip_args.
1632         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1633         (tree_function_versioning): Likewise.
1634         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1635         build_function_decl_skip_args.
1636         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1637         and pass it to build_function_decl_skip_args/tree_function_versioning.
1638         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1639         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1640         * trans-mem.c (ipa_tm_create_version): Likewise.
1641         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1642         * tree-inline.c (declare_return_variable): Remove always-true test.
1643         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1644         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1645         * ipa-split.c (split_function): Skip the return value for the split
1646         part if it doesn't return.
1647
1648 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1649
1650         PR tree-optimization/49642
1651         * ipa-split.c (forbidden_dominators): New variable.
1652         (check_forbidden_calls): New function.
1653         (dominated_by_forbidden): Likewise.
1654         (consider_split): Check for forbidden dominators.
1655         (execute_split_functions): Initialize and free forbidden
1656         dominators info; call check_forbidden_calls.
1657
1658 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1659
1660         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1661
1662 2012-01-11  Nick Clifton  <nickc@redhat.com>
1663
1664         * config/rx/rx.md (return): Define pattern.
1665
1666 2012-01-11  Richard Guenther  <rguenther@suse.de>
1667
1668         * doc/extend.texi (malloc attribute): Adjust according to
1669         implementation.
1670
1671 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1672             Patrick Marlier  <patrick.marlier@gmail.com>
1673
1674         PR middle-end/51516
1675         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1676         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1677         (ipa_tm_note_irrevocable): Same.
1678         (ipa_tm_scan_irr_block): Same.
1679         (ipa_tm_decrement_clone_counts): Same.
1680         (ipa_tm_scan_irr_function): Same.
1681         (ipa_tm_create_version_alias): Same.
1682         (ipa_tm_create_version): Same.
1683         (ipa_tm_transform_calls_redirect): Same.
1684         (ipa_tm_transform_calls): Same.
1685         (ipa_tm_transform_transaction): Same.
1686         (ipa_tm_execute): Same.
1687
1688 2012-01-10  Richard Guenther  <rguenther@suse.de>
1689
1690         PR middle-end/51806
1691         * opts.c (common_handle_option): Handle -Werror.
1692
1693 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1694
1695         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1696         operand number.
1697
1698 2012-01-10  Jason Merrill  <jason@redhat.com>
1699
1700         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1701         information.
1702
1703 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1704
1705         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1706         supports R_386_TLS_GD_PLT reloc.
1707         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1708         supports R_386_TLS_LDM_PLT reloc.
1709         * configure: Regenerate.
1710         * config.in: Regenerate.
1711
1712 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1713
1714         PR target/49868
1715         Extend __pgmx semantics to linearize memory.
1716         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1717         determine if code comes inline or from libgcc.
1718         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1719         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1720         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1721         (movmemx_qi, movmemx_hi): New insns.
1722         (xload_<mode>_libgcc): Rewrite to new insn condition.
1723         (xload_<mode>): Remove insns.
1724         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1725         cases that don't satisfy avr_xload_libgcc_p().
1726         (avr_addr_space_convert): Allow converting in any direction.
1727         (avr_addr_space_subset_p): Return always true.
1728         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1729         (avr_emit_movmemhi): Ditto.
1730         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1731         (avr_out_movmem): Ditto.
1732         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1733         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1734         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1735         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1736         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1737
1738 2012-01-10  Richard Guenther  <rguenther@suse.de>
1739
1740         PR tree-optimization/50913
1741         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1742         Require data-refs to be representable by Graphite with respect
1743         to any loop nest.
1744
1745 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1746
1747         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1748         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1749
1750 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1751
1752         PR rtl-optimization/51271
1753         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1754         handling annulled branch.
1755
1756 2012-01-10  Richard Henderson  <rth@redhat.com>
1757
1758         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1759         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1760         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1761         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1762         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1763         arm_expand_vec_perm_const): New.
1764         * config/arm/arm-protos.h: Update.
1765         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1766         (*neon_vswp<VDQX>): New.
1767         (neon_vcombine<VDX>): Use neon_split_vcombine.
1768         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1769         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1770         (vec_perm<VE>): New.
1771
1772 2012-01-10  Richard Henderson  <rth@redhat.com>
1773
1774         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1775         use it if reload_completed.
1776         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1777         arm_output_asm_insn, arm_process_output_memory_barrier,
1778         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1779         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1780         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1781         arm_process_output_sync_insn, arm_output_sync_insn,
1782         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1783         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1784         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1785         (emit_unlikely_jump): New.
1786         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1787         (arm_split_atomic_op): New.
1788         * config/arm/arm-protos.h: Update.
1789         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1790         (struct arm_sync_generator): Remove.
1791         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1792         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1793         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1794         (VUNSPEC_LL, VUNSPEC_SC): New.
1795         (sync_result, sync_memory, sync_required_value, sync_new_value,
1796         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1797         (attr length): Don't use arm_sync_loop_insns.
1798         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1799         (movsfcc, movdfcc): Likewise.
1800         * config/arm/constraints.md (Ua): New.
1801         * config/arm/prediates.md (mem_noofs_operand): New.
1802         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1803         (sync_clobber, sync_t2_reqd): Remove.
1804         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1805         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1806         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1807         (arm_sync_compare_and_swap<SIDI>): Remove.
1808         (arm_sync_compare_and_swap<NARROW>): Remove.
1809         (arm_sync_lock_test_and_set<SIDI>): Remove.
1810         (arm_sync_lock_test_and_set<NARROW>): Remove.
1811         (arm_sync_new_<syncop><SIDI>): Remove.
1812         (arm_sync_new_<syncop><NARROW>): Remove.
1813         (arm_sync_new_nand<SIDI>): Remove.
1814         (arm_sync_new_nand<NARROW>): Remove.
1815         (arm_sync_old_<syncop><SIDI>): Remove.
1816         (arm_sync_old_<syncop><NARROW>): Remove.
1817         (arm_sync_old_nand<SIDI>): Remove.
1818         (arm_sync_old_nand<NARROW>): Remove.
1819         (*memory_barrier): Merge arm_output_memory_barrier.
1820         (atomic_compare_and_swap<QHSD>): New.
1821         (atomic_compare_and_swap<NARROW>_1): New.
1822         (atomic_compare_and_swap<SIDI>_1): New.
1823         (atomic_exchange<QHSD>): New.
1824         (cas_cmp_operand, cas_cmp_str): New.
1825         (atomic_op_operand, atomic_op_str): New.
1826         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1827         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1828         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1829         (arm_load_exclusive<NARROW>): New.
1830         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1831         (arm_store_exclusive<QHSD>): New.
1832
1833 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1834
1835         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1836         reload patterns if -mvsx-scalar-memory.
1837
1838         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1839         generated, even -mno-vsx-scalar-double was used.
1840         (vsx_xscvdpsp_scalar): Likewise.
1841         (vsx_xscvspdp_scalar2): Likewise.
1842
1843 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1844             Andrew Pinski  <apinski@cavium.com>
1845
1846         PR debug/51471
1847         * reorg.c (fill_slots_from_thread): Don't speculate
1848         frame-related insns.
1849
1850 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1851
1852         * sched-int.h (bb_note): Move to...
1853         * basic-block.h: ...here.
1854         * haifa-sched.c (bb_note): Move to...
1855         * cfgrtl.c: ...here.
1856         * function.c (next_block_for_reg): New function.
1857         (move_insn_for_shrink_wrap): Likewise.
1858         (prepare_shrink_wrap): Rewrite to use the above.
1859
1860 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1861
1862         * gimple.c (is_gimple_non_addressable): Remove.
1863         * gimple.h: Remove is_gimple_non_addressable.
1864         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1865         is_gimple_non_addressable.
1866         * trans-mem.c (expand_assign_tm): Same.
1867
1868 2012-01-09  Richard Guenther  <rguenther@suse.de>
1869
1870         PR tree-optimization/51775
1871         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1872         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1873
1874 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1875
1876         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1877         tuning parameters.
1878         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1879
1880 2012-01-09  Richard Guenther  <rguenther@suse.de>
1881
1882         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1883
1884 2012-01-08  Jan Hubicka  <jh@suse.cz>
1885
1886         PR tree-optimize/51680
1887         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1888         on when known_vals needs to be computed; cleanup.
1889
1890 2012-01-08  Jan Hubicka  <jh@suse.cz>
1891
1892         PR tree-optimize/51694
1893         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1894
1895 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1896
1897         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1898         for -std=c++98 and -std=c++11 too.
1899
1900 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1901
1902         * cfgloop.c (cancel_loop): Add free() of bbs array.
1903
1904 2012-01-07  Jan Hubicka  <jh@suse.cz>
1905
1906         PR tree-optimization/51600
1907         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1908         that benefits small functions.
1909
1910 2012-01-07  Jan Hubicka  <jh@suse.cz>
1911
1912         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1913
1914 2012-01-07  Jan Hubicka  <jh@suse.cz>
1915
1916         PR tree-optimization/51680
1917         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1918         whose inlining reduce unit size.
1919
1920 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1921
1922         PR bootstrap/51725
1923         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1924         Add canonical node to containing_mem chain after the non-canonical
1925         one, even if there weren't any locs to propagate.
1926         (remove_useless_values): Keep only canonical values.
1927         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1928         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1929         canonicalize mem_chain elements that are not discarded.
1930
1931 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1932
1933         PR target/47333
1934         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1935         before emitting functions.
1936
1937         PR gcov-profile/50127
1938         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1939         clear_aux_for_blocks.
1940
1941 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1942
1943         PR debug/51746
1944         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1945
1946 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1947
1948         * c-decl.c (ext_block): Moved up.
1949         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1950
1951 2012-01-06  Han Shen  <shenhan@google.com>
1952
1953         Translate built-in include paths for sysroot.
1954         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1955         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1956
1957         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1958         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1959
1960         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1961         control whether sysroot should be prepended to gxx include dir.
1962
1963         * configure: Regenerate.
1964
1965 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1966
1967         PR rtl-optimization/51771
1968         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1969         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1970
1971 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1972
1973         PR tree-optimization/51315
1974         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1975         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1976
1977 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1978
1979         PR target/51681
1980         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1981         for shrp pattern.  Correctly handle and fixup shift variable.
1982         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1983
1984 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1985
1986         PR debug/51762
1987         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1988         note when !ACCUMULATE_OUTGOING_ARGS.
1989
1990 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1991
1992         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1993         condition.
1994         (extract_range_from_unary_expr_1): Avoid useless computations.
1995
1996 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1997
1998         PR rtl-optimization/51767
1999         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2000         of jump_block and add an extra edge for degenerated asm gotos.
2001
2002         PR middle-end/51768
2003         * stmt.c (check_unique_operand_names): Don't ICE during error
2004         reporting if i is from labels chain.
2005
2006         PR middle-end/44777
2007         * profile.c (branch_prob): Split bbs that have exit edge
2008         and need a fake entry edge too.
2009
2010 2012-01-05  Jan Hubicka  <jh@suse.cz>
2011
2012         PR middle-end/49710
2013         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2014         unlooping loops.
2015
2016 2012-01-05  Richard Guenther  <rguenther@suse.de>
2017
2018         PR lto/50490
2019         * tree-streamer-out.c (write_ts_optimization): New function.
2020         (streamer_write_tree_body): Call it.
2021         * tree-streamer-in.c (lto_input_ts_optimization): New function.
2022         (streamer_read_tree_body): Call it.
2023         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2024
2025 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2026
2027         PR middle-end/51761
2028         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2029         * gimplify.c (gimplify_cleanup_point_expr): Save and set
2030         in_cleanup_point_expr before gimplify_stmt call and restore it
2031         afterwards.
2032         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2033         in_cleanup_point_expr is false.
2034
2035 2012-01-05  Richard Guenther  <rguenther@suse.de>
2036
2037         PR middle-end/51764
2038         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2039         to c.opt.
2040         * toplev.c (process_options): Reject combining mudflap and LTO.
2041         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2042
2043 2012-01-05  Richard Guenther  <rguenther@suse.de>
2044
2045         PR tree-optimization/51760
2046         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2047         not VARYING.
2048         (bit_value_unop): Handle UNDEFINED operands.
2049         (bit_value_binop): Likewise.
2050
2051 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2052
2053         * config/avr/avr.c (avr_replace_prefix): Remove.
2054         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2055         (avr_asm_function_rodata_section): Ditto.
2056         (avr_asm_select_section): Ditto.
2057
2058 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2059
2060         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2061         insertion.
2062
2063 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2064
2065         PR bootstrap/51648
2066         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2067         calls that have any non-fake successor edges.
2068
2069         PR debug/51746
2070         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2071
2072 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2073
2074         PR tree-optimization/51624
2075         * tree-sra.c (build_ref_for_model): When replicating a chain of
2076         COMPONENT_REFs, stop as soon as the offset would become negative.
2077
2078 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2079
2080         PR debug/51695
2081         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2082         in .debug_loc on the floor.
2083
2084 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2085
2086         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2087
2088 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2089             Adam Nemet  <anemet@caviumnetworks.com>
2090
2091         * config/mips/mips.md (size): Add SI and DI.
2092         (SIZE): New mode attribute.
2093         (U): New code attribute.
2094         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2095         (mips_lbux_<mode>): Delete.
2096         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2097         (mips_lhx): Use gen_mips_lhx_extsi.
2098         (mips_lhx_<mode>): Delete.
2099         (mips_lwx): Delete.
2100         (mips_l<size>x): New expand.
2101         (mips_lwx_<mode>): Delete.
2102         (mips_l<GPR:size>x_<P:mode>): New pattern.
2103         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2104         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2105         * config/mips/mips.c (mips_lx_address_p): New function.
2106         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2107         (dsp64): New availability predicate.
2108         (mips_builtins): Add an entry for __builtin_mips_ldx.
2109         * config/mips/mips.h (ISA_HAS_LBX): New define.
2110         (ISA_HAS_LBUX): Likewise.
2111         (ISA_HAS_LHX): Likewise.
2112         (ISA_HAS_LHUX): Likewise.
2113         (ISA_HAS_LWX): Likewise.
2114         (ISA_HAS_LWUX): Likewise.
2115         (ISA_HAS_LDX): Likewise.
2116         * doc/extend.texi (__builtin_mips_ldx): Document.
2117
2118 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2119
2120         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2121         when long pointers are used.
2122         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2123         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2124         (ia64-hp-*vms*): Remove.
2125         * config/vms/xm-vms64.h: Delete.
2126
2127 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2128
2129         PR middle-end/51472
2130         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2131
2132 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2133
2134         * opts.c (finish_options): Remove duplicate sorry.
2135
2136 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2137
2138         PR middle-end/51696
2139         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2140         correctly.
2141
2142 2012-01-04  Richard Guenther  <rguenther@suse.de>
2143
2144         PR middle-end/51750
2145         * tree.c (size_low_cst): New function.
2146         * tree.h (size_low_cst): Declare.
2147         * fold-const.c (fold_comparison): Use it to extract the low
2148         part of the POINTER_PLUS_EXPR offset.
2149
2150 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2151
2152         Fix clearing ZERO_REG
2153         * config/avr/avr.md (cc): Add alternative "ldi".
2154         (movqi_insn): Use it in cc attribute.
2155         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2156         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2157         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2158
2159 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2160
2161         * configure: Regenerate.
2162
2163 2012-01-04  Richard Guenther  <rguenther@suse.de>
2164
2165         PR tree-optimization/49651
2166         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2167         (var_can_have_subvars): Use it.
2168         (get_constraint_for_1): Only consider subfields if there can be any.
2169
2170 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2171
2172         PR bootstrap/51725
2173         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2174         to its new canonical_cselib_val and the cselib_val was in
2175         first_containing_mem chain, but the canonical_cselib_val was not,
2176         add the latter into the chain.
2177         (cselib_invalidate_mem): Compare canonical_cselib_val of
2178         addr_list chain elt with v.
2179
2180         PR pch/51722
2181         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2182         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2183         of xstrdup.
2184         (output_macinfo_op): Don't ggc_strdup fd->filename.
2185         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2186         then ggc_strdup it.  Don't free inc->info or cur->info.
2187         (output_macinfo): Don't free ref->info or file->info.
2188
2189 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2190
2191         PR tree-optimization/51269
2192         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2193         first_niters a pointer.
2194         (slpeel_tree_peel_loop_to_edge): Likewise.
2195         (vect_do_peeling_for_loop_bound): Update call to
2196         slpeel_tree_peel_loop_to_edge.
2197         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2198         here.  Remove it from the parameters list.
2199         (vect_do_peeling_for_alignment): Update calls and compute
2200         wide_prolog_niters.
2201
2202 2012-01-03  Richard Guenther  <rguenther@suse.de>
2203
2204         PR tree-optimization/51070
2205         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2206         Properly handle calls.
2207
2208 2012-01-03  Richard Guenther  <rguenther@suse.de>
2209
2210         PR tree-optimization/51692
2211         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2212         the LHS of allocation stmts.
2213
2214 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2215
2216         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2217
2218 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2219
2220         * collect2.c (main): In AIX specific computations for vector
2221         insertions, use CONST_CAST2 to cast from char ** to const char **.
2222
2223 2012-01-03  Richard Guenther  <rguenther@suse.de>
2224
2225         PR debug/51650
2226         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2227         the context of a limbo DIE when it does not already exist.
2228
2229 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2230
2231         PR tree-optimization/51719
2232         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2233         but direct call is, clear direct call's lhs and don't add fallthrough
2234         edge from dcall_bb to join_bb and PHIs.
2235
2236 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2237
2238         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2239         the instructions emitted by the pattern.
2240         ("*TDC_insn_<mode>"): Add comment.
2241
2242 2012-01-03  Richard Guenther  <rguenther@suse.de>
2243
2244         PR middle-end/51730
2245         * fold-const.c (fold_comparison): Properly canonicalize
2246         tree offset and HOST_WIDE_INT bit position.
2247
2248 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2249
2250         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2251         operands for extzv pattern.
2252
2253 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2254
2255         PR bootstrap/51725
2256         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2257         on mem_elt first.
2258
2259 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2260
2261         * doc/invoke.texi (-flto and related options): Copy-edit.
2262
2263 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2264
2265         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2266
2267 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2268
2269         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2270         New patterns.
2271
2272 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2273
2274         * expr.h (move_by_pieces_ninsns): Declare.
2275         * expr.c (move_by_pieces_ninsns): Make external.
2276         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2277         (mips_store_by_pieces_p): Likewise.
2278         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2279         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2280         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2281         (mips_store_by_pieces_p): Likewise.
2282
2283 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2284
2285         * passes.c (register_one_dump_file): Free full_name.
2286
2287         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2288         (calculate_elim_costs_all_insns): Free offsets_at and
2289         offsets_known_at at the end and clear the pointers.
2290
2291 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2292
2293         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2294         this option introduced in r180739.
2295
2296 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2297
2298         PR target/51345
2299         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2300         (tmake_file target=avr): Add avr/t-multilib.
2301
2302         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2303         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2304         * config/avr/genmultilib.awk: New file.
2305         * config/avr/t-multilib: New auto-generated file.
2306         * config/avr/multilib.h: New auto-generated file.
2307         * config/avr/t-avr (AVR_MCUS): New variable.
2308         (genopt.sh): Use it.
2309         (s-mlib): Depend on t-multilib.
2310         (t-multilib, multilib.h): New dependencies.
2311         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2312         (MULTILIB_OPTIONS): Remove.
2313         (MULTILIB_MATCHES): Remove.
2314         (MULTILIB_DIRNAMES): Remove.
2315         (MULTILIB_EXCEPTIONS): Remove:
2316         * config/avr/genopt.sh: Don't use hard coded file name;
2317         pass AVR_MCUS from t-avr instead.
2318
2319 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2320
2321         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2322
2323 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2324
2325         Implement light-weight DImode support.
2326         * config/avr/avr-dimode.md: New file.
2327         * config/avr/avr.md: Include it.
2328         (adjust_len): Add plus64, compare64.
2329         (HIDI): Remove code iterator.
2330         (code_stdname): New code attribute.
2331         (rotx, rotsmode): Remove DI.
2332         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2333         as code iterator.
2334         * config/avr/avr-protos.h (avr_have_dimode): New.
2335         (avr_out_plus64, avr_out_compare64): New.
2336         * config/avr/avr.c (avr_out_compare): Handle DImode.
2337         (avr_have_dimode): New variable definition and initialization.
2338         (avr_out_compare64, avr_out_plus64): New functions.
2339         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2340         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2341         (avr_compare_pattern): Skip DImode comparisons.
2342
2343 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2344
2345         * ddg.c (def_has_ccmode_p): New function.
2346         (add_cross_iteration_register_deps,
2347         create_ddg_dep_from_intra_loop_link): Call it.
2348
2349 2012-01-02  Richard Guenther  <rguenther@suse.de>
2350
2351         PR other/51679
2352         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2353
2354 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2355
2356         * gcc.c (process_command): Update copyright notice dates.
2357         * gcov.c (print_version): Likewise.
2358         * gcov-dump.c (print_version): Likewise.
2359         * mips-tfile.c (main): Likewise.
2360         * mips-tdump.c (main): Likewise.
2361
2362 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2363
2364         PR tree-optimization/51704
2365         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2366         a use is inside the basic block or loop before accessing its vect info.
2367
2368 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2369
2370         PR rtl-optimization/51069
2371         * cfgloopmanip.c (remove_path): Removing path making irreducible
2372         region unconditional makes BB part of the region.
2373
2374 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2375
2376         PR tree-optimization/51683
2377         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2378         calls with side-effects.
2379         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2380 \f
2381 Copyright (C) 2012 Free Software Foundation, Inc.
2382
2383 Copying and distribution of this file, with or without modification,
2384 are permitted in any medium without royalty provided the copyright
2385 notice and this notice are preserved.