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