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2012-02-13 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-02-13  Richard Guenther  <rguenther@suse.de>
2
3         PR translation/52211
4         * passes.c (enable_disable_pass): Fix typo.
5
6 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
7
8         PR middle-end/52209
9         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
10         XOR for reduce_bit_field if type is unsigned.
11
12 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
13
14         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
15         disallow changes from SFmode to mode with different size in FP regs.
16
17 2012-02-12  Robert Millan  <rmh@gnu.org>
18             Gerald Pfeifer <gerald@pfeifer.com>
19
20         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
21         Tweak comment.
22
23 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
24
25         PR rtl-optimization/52175
26         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
27         to frame-related instructions.
28
29 2012-02-10  Jason Merrill  <jason@redhat.com>
30
31         PR c++/51910
32         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
33         (demangle_new_symbols): Fill it.
34         (scan_linker_output): Walk it.
35         (start_tweaking): Split out from scan_linker_output.
36         (maybe_tweak): Update sym->chosen.
37         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
38
39 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
40
41         PR debug/52132
42         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
43         get_true_reg.
44
45 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
46
47         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
48         having the same mode as previous compare.
49
50 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
51
52         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
53         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
54         (nonlocal_goto_internal): Likewise.
55         (nonlocal_goto): Emit a use and an indirect jump directly.
56
57 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
58
59         PR c/52190
60         * doc/extend.texi : Update comments for __atomic_compare_exchange and
61         __atomic_{is,always}_lock_free.
62
63 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
64
65         PR target/52146
66         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
67         negative constant address for x32.
68
69 2012-02-10  Richard Henderson  <rth@redhat.com>
70
71         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
72         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
73         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
74
75 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
76             Ira Rosen  <irar@il.ibm.com>
77
78         PR tree-optimization/50031
79         * targhooks.c (default_builtin_vectorization_cost): Handle
80         vec_promote_demote.
81         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
82         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
83         all types of reduction and pattern statements.
84         (vect_estimate_min_profitable_iters): Likewise.
85         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
86         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
87         for explicit realigns.
88         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
89         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
90         vec_promote_demote.
91         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
92         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
93         vec_perm for VSX and handle vec_promote_demote.
94
95 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
96
97         PR middle-end/52177
98         * builtins.c (fold_builtin_atomic_always_lock_free,
99         expand_builtin_atomic_always_lock_free,
100         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
101         Return and/or test boolean_true_node/boolean_false_node instead of
102         integer_one_node/integer_zero_node.
103
104 2012-02-10  Jan Hubicka  <jh@suse.cz>
105
106         PR middle-end/48600
107         * predict.c (predict_paths_for_bb): Prevent looping.
108         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
109
110 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
111
112         * config/arm/arm.c (output_move_double): In one case properly
113         count number of instructions that will be emitted.
114
115 2012-02-10  Richard Guenther  <rguenther@suse.de>
116
117         PR translation/52193
118         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
119
120 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
121
122         PR middle-end/52140
123         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
124
125 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
126
127         PR debug/52165
128         * var-tracking.c (emit_note_insn_var_location): If
129         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
130         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
131         non-NOTE_DURING_CALL_P insn.
132
133 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
134
135         PR middle-end/51867
136         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
137
138 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
139
140         PR driver/48524
141         * gcc.c (switch_matches) Support switches with separated form,
142         -D and -U.
143
144 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
145
146         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
147         (SP_ADDR): Ditto.
148         (RAMPZ_ADDR): Ditto.
149         * config/avr/avr.c (avr_addr_t): New typedef.
150         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
151         (avr_init_expanders): Initialize it.
152         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
153         SREG_ADDR.
154         (expand_epilogue): Ditto.
155         (avr_print_operand): Ditto.
156         (avr_file_start): Ditto.
157         (avr_emit_movmemhi): Ditto.
158
159 2012-02-08  Richard Guenther  <rguenther@suse.de>
160
161         PR tree-optimization/46886
162         * tree-flow.h (do_while_loop_p): Declare.
163         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
164         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
165
166 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
167
168         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
169         always succeed for integers larger than a native word.
170
171 2012-02-08  Richard Guenther  <rguenther@suse.de>
172
173         PR rtl-optimization/52170
174         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
175         properly handle integer vector modes.
176
177 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
178
179         PR gcov-profile/52150
180         * coverage.c: Include target.h.
181         (build_var): Call targetm.strip_name_encoding on the assembler name.
182         Change one _ into . or $ if the target allows it.
183         * Makefile.in (coverage.o): Depend on $(TARGET_H).
184
185         PR rtl-optimization/52139
186         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
187         is a BARRIER after emit_insn_after_noloc, move BB_END
188         to the last non-BARRIER insn before it.
189
190 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
191
192         PR middle-end/24306
193         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
194         (mips_gimplify_va_arg_expr): Call it instead of
195         std_gimplify_va_arg_expr.
196
197 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
198
199         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
200         message for -mno-pointers-to-nested-function.
201
202 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
203
204         PR middle-end/51994
205         * expr.c (get_inner_reference): If there is an offset, add a negative
206         bit position to it (if any).
207
208 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
209
210         PR rtl-optimization/52060
211         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
212         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
213         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
214         and/or i0src_copy2 when needed.
215
216 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
217
218         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
219         or LTOPLUGINSONAME if have_c.
220
221         * config/freebsd-spec.h: Add comment about what macros can be defined
222         in this header.
223         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
224         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
225         here instead.
226
227 2012-02-07  Richard Guenther  <rguenther@suse.de>
228
229         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
230         newline in -alias dumps.
231
232 2012-02-07  Kai Tietz  <ktietz@redhat.com>
233             Dave Korn  <dave.korn.cygwin@gmail.com>
234
235         PR target/40068
236         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
237         Take care that typinfo gets dllexport-attribute.
238
239 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
240
241         PR middle-end/52074
242         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
243         if modifier < EXPAND_SUM call force_operand on the result.
244
245 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
246
247         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
248         adding __forwarder_dst__ prefix if a forwarder_section attribute is
249         present.
250         (epiphany_function_type): Replace types for specific interrupts with
251         EPIPHANY_FUNCTION_INTERRUPT.
252         (EPIPHANY_INTERRUPT_P): Update.
253         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
254         New static function.
255         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
256         <disinterrupt>: Affects type identity.
257         (epiphany_handle_interrupt_attribute): Handle variable number of
258         arguments.
259         (epiphany_compute_function_type): Update for new
260         epiphany_function_type definition.
261         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
262         handlers with a longcall forwarder.
263         (epiphany_start_function): Handle multiple interrupt arguments and/or
264         forwarder_section attribute.
265
266         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
267         libgloss.
268
269 2012-02-07  Alan Modra  <amodra@gmail.com>
270
271         PR target/52107
272         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
273         subregs of TFmode.
274
275 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
276
277         PR tree-optimization/50969
278         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
279         use vec_perm rather than vector_stmt.
280         (vect_model_load_cost): Likewise.
281         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
282         vec_perm to be the same as other vector statements.
283         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
284         cost of vec_perm for TARGET_VSX.
285
286 2012-02-06  Richard Guenther  <rguenther@suse.de>
287
288         PR tree-optimization/52115
289         * tree-sra.c (access_has_replacements_p): New function.
290         (sra_modify_assign): Use it to decide whether a use is uninitialized.
291
292 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
293
294         PR middle-end/52047
295         * trans-mem.c (expand_call_tm): Add an assertion.
296         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
297         functions.
298
299 2012-02-06  Richard Guenther  <rguenther@suse.de>
300
301         PR tree-optimization/50955
302         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
303         raise cost of expressions that replace an address with an
304         expression based on a different pointer.
305
306 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
307
308         PR target/52129
309         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
310         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
311
312 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
313
314         PR c++/48680
315         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
316         -Weffc++ and specify guidelines come from second edition.
317
318 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
319
320         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
321         (sibcall_value_multiple_internal, call_split, call_internal_direct)
322         (call_direct_split, call_value_split, call_value_internal_direct)
323         (call_value_direct_split, call_value_multiple_split): Use jal and
324         jal_macro attributes.
325
326 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
327
328         * reload1.c (reload_regs_reach_end_p): Replace with...
329         (reload_reg_rtx_reaches_end_p): ...this function.
330         (new_spill_reg_store): Update commentary.
331         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
332         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
333         before setting new_spill_reg_store.
334         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
335         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
336         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
337         for non-spill reload registers.
338
339 2012-02-05  Ira Rosen  <irar@il.ibm.com>
340
341         PR tree-optimization/52091
342         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
343         (vect_is_simple_use_1): Likewise.
344         * tree-vect-loop.c (vectorizable_reduction): Update calls
345         to vect_is_simple_use_1 and vect_is_simple_use.
346         (vectorizable_live_operation): Likewise.
347         * tree-vect-patterns.c (widened_name_p,
348         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
349         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
350         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
351         vectorizable_shift,vectorizable_operation, vectorizable_store,
352         vectorizable_load): Likewise.
353         (vect_is_simple_cond): Add an argument, pass it to
354         vect_is_simple_use_1.
355         (vectorizable_condition): Update calls to vect_is_simple_cond,
356         vect_is_simple_use.
357         (vect_is_simple_use): Add an argument, the statement in which
358         OPERAND is used.  Check that if OPERAND's def stmt is a double
359         reduction phi node, the use is a phi node too.
360         (vect_is_simple_use_1): Add an argument, pass it to
361         vect_is_simple_use.
362         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
363         to vect_is_simple_use.
364
365 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
366
367         PR rtl-optimization/52095
368         * modulo-sched.c (dump_insn_locator): New function.
369         (loop_canon_p, sms_schedule): Use it.
370
371         PR rtl-optimization/52113
372         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
373         even for decomposable shift/zext insns.
374
375 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
376             Zdenek Dvorak  <ook@ucw.cz>
377
378         PR rtl-optimization/52092
379         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
380         on get_iv_value result.
381
382 2012-02-02  Andrew Pinski  <apinski@cavium.com>
383
384         PR middle-end/47982
385         PR middle-end/43967
386         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
387
388 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
389
390         PR middle-end/48071
391         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
392
393 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
394
395         PR rtl-optimization/49800
396         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
397         (sched_finish): Call regstat_free_n_sets_and_refs.
398
399 2012-02-02  Jia Liu  <proljc@gmail.com>
400
401         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
402         than operand 2.
403
404 2012-02-02 Jan Hubicka  <jh@suse.cz>
405            Tom de Vries  <tom@codesourcery.com>
406
407         PR middle-end/51998
408         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
409         * varpool.c (varpool_analyze_pending_decls): Likewise.
410
411 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
412             Jayant R Sonar <jayant.sonar@kpitcummins.com>
413
414         * config.gcc: Add cr16-* support.
415
416         * doc/extend.texi: Document cr16 extensions.
417         * doc/install.texi: Document cr16 install.
418         * doc/invoke.texi: Document cr16 options.
419         * doc/md.texi: Document cr16 constraints.
420
421         * common/config/cr16/cr16-common.c: New file.
422         * config/cr16/cr16.c: New file.
423         * config/cr16/cr16.h: New file.
424         * config/cr16/cr16.md: New file.
425         * config/cr16/cr16.opt: New file.
426         * config/cr16/cr16-protos.h: New file.
427         * config/cr16/predicates.md: New file.
428         * config/cr16/constraints.md: New file.
429         * config/cr16/t-cr16: New file.
430
431 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
432
433         PR target/52086
434         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
435         that operands[2] is either immediate, or q_regs_operand.
436
437         PR tree-optimization/52073
438         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
439         a pattern stmt for pattern uses, ignore uses outside of the loop.
440
441 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
442
443         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
444         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
445         (OUT_AS1, OUT_AS2): Remove.
446
447 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
448
449         PR rtl-optimization/51374
450         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
451         to cross other volatile_refs_p insns.
452
453 2012-02-01  Richard Guenther  <rguenther@suse.de>
454
455         * doc/invoke.texi (fno-inline): Clarify documentation.
456         (finline-small-functions): Likewise.
457         (finline-functions): Likewise.
458         * common.opt (finline): Adjust comment and documentation.
459         (finline-small-functions): Clarify documentation.
460         (finline-functions): Likewise.
461         (finline-functions-called-once): Likewise.
462
463 2012-02-01  Tristan Gingold  <gingold@adacore.com>
464
465         * c-typeck.c (composite_type): Keep mode for pointers.
466
467 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
468
469         * function.h (regno_reg_rtx): Adjust comment.
470         * reginfo.c (init_reg_modes_target): Only use the previous mode
471         if it fits within one register.  Remove MIPS comment.
472
473 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
474
475         PR bootstrap/52058
476         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
477
478 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
479
480         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
481         to srak instruction.
482
483 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
484
485         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
486
487 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
488
489         PR bootstrap/52041
490         PR bootstrap/52039
491         PR target/51974
492         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
493
494 2012-01-31  Richard Guenther  <rguenther@suse.de>
495
496         PR tree-optimization/51528
497         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
498         assigns.
499
500 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
501
502         PR bootstrap/52041
503         PR bootstrap/52039
504         PR target/51974
505         * ree.c (add_removable_extension): Change def_map argument
506         to unsigned *, store in def_map 1 + offset into *insn_list vector
507         instead of pointers into the vector.
508         (find_removable_extensions): Adjust caller.
509
510 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
511
512         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
513         Transform all "* quoted-c-code" to { c-code }.
514         Remove redundant test for "optimize" in combine patterns.
515         Move (include "avr-dimode.md") to end of file.
516
517 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
518
519         PR target/51835
520         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
521         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
522
523 2012-01-30  Richard Guenther  <rguenther@suse.de>
524
525         PR tree-optimization/52028
526         * tree-loop-distribution.c (ldist_gen): Properly update
527         virtual SSA form.
528
529 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
530
531         PR debug/52027
532         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
533         set_cur_line_info_table if not emitting debug info.
534
535         PR tree-optimization/52046
536         * tree-vect-patterns.c (check_bool_pattern): Give up if
537         a comparison could throw.
538
539         PR debug/52048
540         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
541
542 2012-01-30  Richard Guenther  <rguenther@suse.de>
543
544         PR tree-optimization/52045
545         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
546         SSA form if cfgcleanup did anything.
547
548 2012-01-30  Richard Guenther  <rguenther@suse.de>
549
550         PR tree-optimization/52045
551         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
552         before computing final todo.
553
554 2012-01-30  Richard Guenther  <rguenther@suse.de>
555
556         PR tree-optimization/51528
557         * tree-sra.c (sra_modify_assign): Re-factor in preparation
558         for PR51528 fix.
559
560 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
561
562         * df-problems.c (df_kill_notes): Check that the use refers
563         to the note under examination.
564
565 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
566
567         PR target/51920
568         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
569         parameter and use short-lived pseudos.
570         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
571         (sparc_expand_vector_init): Const-ify local variables and adjust
572         calls to above functions.
573
574 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
575
576         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
577
578 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
579
580         * doc/invoke.texi: Make usage of "compile time" and
581         "run time"/"runtime" consistent throughout the file.
582
583 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
584
585         * config/alpha/alpha.c (alpha_option_override): Default to
586         full IEEE compliance mode for Go language.
587
588 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
589
590         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
591         (LINK_SSP_SPEC): Define.
592
593 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
594
595         PR target/51871
596         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
597         stubs.
598
599 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
600
601         * doc/invoke.texi: Correct hyphenation of "floating point",
602         "double precision", and related terminology throughout the file.
603
604 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
605
606         PR target/52006
607         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
608         arm_general_register_operand predicate for operand 2 instead of
609         register_operand.
610
611 2012-01-27  Ian Lance Taylor  <iant@google.com>
612
613         PR go/47656
614         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
615         * builtins.c (expand_builtin_init_trampoline): Add onstack
616         parameter.  Change caller.
617         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
618         * tree.c (build_common_builtin_nodes): Declare
619         __builtin_init_heap_trampoline.
620
621 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
622
623         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
624         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
625         * config/avr/avr.c: Ditto.
626         (avr_regnames): Remove because unused.
627         * config/avr/avr.md (*cpse.ne): New peephole.
628         (*cpse.eq): New peephole from former cpse peepholes.
629
630 2012-01-27  Michael Eager  <eager@eagercon.com>
631
632         * config/microblaze.c (microblaze_emit_compare): Correct
633         test after pcmp instruction.
634
635 2012-01-27  Richard Guenther  <rguenther@suse.de>
636
637         PR tree-optimization/52020
638         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
639
640 2012-01-27  Richard Guenther  <rguenther@suse.de>
641
642         * ipa-pure-const.c (check_stmt): Clobbers do not make a
643         function non-const/pure.
644
645 2012-01-27  Richard Guenther  <rguenther@suse.de>
646
647         PR tree-optimization/50444
648         * tree-sra.c (build_ref_for_offset): Properly adjust the
649         MEM_REF type for unaligned accesses.
650
651 2012-01-27  Richard Guenther  <rguenther@suse.de>
652
653         PR tree-optimization/50444
654         * expr.c (mem_ref_refers_to_non_mem_p): New function.
655         (expand_assignment): Use it.  Properly handle misaligned
656         bases when expanding stores to component references.
657         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
658         refactor that case.
659
660 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
661
662         PR middle-end/51389
663         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
664         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
665         * tree-data-ref.c (find_data_references_in_loop): Make static.
666         (compute_all_dependences): Change return type to bool.  Bail out
667         for too many datarefs in a loop.  Move the hunk resetting the data
668         dependences vector from ...
669         (compute_data_dependences_for_loop): ... here.  Account for
670         compute_all_dependences returning false.
671         (compute_data_dependences_for_bb): Likewise.
672         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
673         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
674
675 2012-01-27  Richard Guenther  <rguenther@suse.de>
676
677         PR middle-end/51959
678         * expr.c (store_field): Use the alias-set of the scratch memory
679         for storing to it.
680
681 2012-01-27  Tom de Vries  <tom@codesourcery.com>
682
683         PR tree-optimization/51990
684         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
685         WITH_SIZE_EXPR.
686         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
687
688 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
689
690         PR debug/52001
691         * var-tracking.c (reverse_op): Don't add any reverse operation
692         if V already has any constant locations.
693
694 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
695
696         * doc/invoke.texi: Correct usage of "command line" (noun)
697         vs "command-line" (adjective) throughout.
698
699 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
700
701         * doc/invoke.texi (Language Independent Options): Move
702         -Wcoverage-mismatch blurb from here....
703         (Warning Options): ...to here.
704
705 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
706
707         * config/rs6000/rs6000.c (rs6000_option_override_internal):
708         Set rs6000_always_hint to false for 476.
709
710 2012-01-27  Matthias Klose  <doko@ubuntu.com>
711
712         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
713           system root.
714         * incpath.c (add_standard_paths): Likewise.
715
716 2012-01-27  Richard Henderson  <rth@redhat.com>
717
718         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
719         * config/m68k/sync.md (atomic_test_and_set): Rename from
720         sync_test_and_setqi and adjust the operands.
721         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
722         and unconditionally enable.
723
724 2012-01-27  Richard Henderson  <rth@redhat.com>
725
726         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
727         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
728         (ldstub): Rename from ldstubqi.
729         (ldstub<I24MODE>): Remove.
730
731 2012-01-27  Richard Henderson  <rth@redhat.com>
732
733         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
734         * c-cppbuiltin.c (cpp_atomic_builtins): Define
735         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
736         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
737         * doc/tm.texi: Rebuild.
738
739 2012-01-27  Richard Henderson  <rth@redhat.com>
740
741         * optabs.c (gen_atomic_test_and_set): Remove default.
742         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
743
744 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
745
746         PR rtl-optimization/51978
747         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
748         (combine_reaching_defs): Likewise.
749         (struct re_info): Remove.
750         (add_removable_extension): Remove x and data arguments,
751         add insn, insn_list and def_map.  Use the arguments directly
752         instead of using struct re_info.
753         (find_removable_extensions): Don't call add_removable_extension
754         through note_stores, instead just call it with single_set
755         result if non-NULL.
756         (find_and_remove_re): Pass curr_cand->expr instead of
757         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
758
759 2012-01-26  Michael Matz  <matz@suse.de>
760
761         PR tree-optimization/46590
762         * cfgexpand.c: Revert last change (r183305).
763         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
764         regs.
765         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
766         checking for emptiness.
767
768 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
769
770         PR middle-end/51895
771         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
772         non-addressable non-BLKmode base correctly.
773
774 2012-01-26  Michael Matz  <matz@suse.de>
775
776         PR tree-optimization/48794
777         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
778         regions referenced from RESX/EH_DISPATCH.
779
780 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
781
782         * config/s390/s390.h: Make BRANCH_COST an option.
783         * config/s390/s390.opt: New option -mbranch-cost.
784
785 2012-01-26  Richard Henderson  <rth@redhat.com>
786
787         Revert 2012-01-24 change:
788         * trans-mem.c (requires_barrier): Do not instrument thread local
789         variables and emit save/restore for them.
790
791 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
792
793         PR middle-end/51986
794         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
795         for pat == 0.
796
797 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
798
799         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
800         ASM_OPERANDS.
801
802 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
803
804         PR target/49868
805         Rename __pgm to __flash.
806         Rename __pgm1 to __flash1.
807         Rename __pgm2 to __flash2.
808         Rename __pgm3 to __flash3.
809         Rename __pgm4 to __flash4.
810         Rename __pgm5 to __flash5.
811         Rename __pgmx to __memx.
812         * doc/extend.texi (AVR Named Address Spaces)
813         Rename address space names as indicated above.
814         * config/avr/avr.c (avr_addrspace): Ditto.
815
816         * config/avr/avr-protos.h
817         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
818         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
819         * config/avr/predicates.md: Ditto.
820         * config/avr/avr.c Ditto, and
821         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
822         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
823
824         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
825         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
826         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
827         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
828         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
829         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
830         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
831         * config/avr/avr.c: Ditto.
832         * config/avr/avr.md: Ditto.
833
834 2012-01-25  Jason Merrill  <jason@redhat.com>
835
836         PR c++/51992
837         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
838
839 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
840
841         PR tree-optimization/51987
842         * tree-data-ref.c (get_references_in_stmt): Handle references in
843         non-volatile GIMPLE_ASM.
844
845 2012-01-25  Richard Guenther  <rguenther@suse.de>
846
847         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
848         bases are dereferenced.
849
850 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
851
852         PR rtl-optimization/48374
853         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
854
855 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
856
857         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
858         compute_data_dependences_for_loop returns false.
859         * tree-parloops.c (loop_parallel_p): Likewise.
860
861 2012-01-25  Richard Guenther  <rguenther@suse.de>
862
863         * tree.h (get_pointer_alignment_1): Declare.
864         * builtins.c (get_pointer_alignment_1): New function.
865         (get_pointer_alignment): Use it.
866
867 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
868
869         PR rtl-optimization/48308
870         * combine.c (enum undo_kind): Add UNDO_LINKS.
871         (struct undo): Add member l to other_contents and where.
872         (do_SUBST_LINK): New.
873         (SUBST_LINK): New.
874         (try_combine): Handle LOG_LINKS for the dummy i1 case.
875         (undo_all): Handle UNDO_LINKS.
876
877 2012-01-25  Richard Henderson  <rth@redhat.com>
878
879         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
880         mem inputs.
881
882 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
883
884         * optabs.c (gen_atomic_test_and_set): Use each argument.
885
886 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
887
888         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
889         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
890         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
891         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
892         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
893         TARGET_PAIRED_SINGLE_FLOAT.
894
895 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
896
897         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
898         (in_struct, return_val): Remove MEM documentation.
899         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
900         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
901         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
902         and MEM_SCALAR.
903         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
904         * cfgexpand.c (add_alias_set_conflicts): Likewise.
905         * expr.c (store_field): Likewise.
906         * function.c (assign_stack_temp_for_type): Likewise.
907         * ifcvt.c (noce_try_cmove_arith): Likewise.
908         * reload1.c (reload): Likewise.
909         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
910         (alpha_set_memflags): Likewise.
911         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
912
913 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
914
915         * rtl.h (true_dependence, canon_true_dependence): Remove varies
916         parameter.
917         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
918         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
919         (true_dependence_1, true_dependence, canon_true_dependence): Remove
920         varies parameter.
921         * cselib.c (cselib_rtx_varies_p): Delete.
922         (cselib_invalidate_mem): Update call to canon_true_dependence.
923         * dse.c (record_store, check_mem_read_rtx): Likewise.
924         (scan_reads_nospill): Likewise.
925         * cse.c (check_dependence): Likewise.
926         (cse_rtx_varies_p): Delete.
927         * expr.c (safe_from_p): Update call to true_dependence.
928         * ira.c (validate_equiv_mem_from_store): Likewise.
929         (memref_referenced_p): Likewise.
930         * postreload-gcse.c (find_mem_conflicts): Likewise.
931         * sched-deps.c (sched_analyze_2): Likewise.
932         * store-motion.c (load_kills_store): Likewise.
933         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
934         * gcse.c (mems_conflict_for_gcse_p): Likewise.
935         (compute_transp): Update call to canon_true_dependence.
936
937 2012-01-25  Richard Henderson  <rth@redhat.com>
938
939         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
940         (maybe_emit_atomic_test_and_set): New.
941         (expand_sync_lock_test_and_set): Use it.
942         (expand_atomic_test_and_set): Likewise.
943         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
944         the implementation; clarify implementation defined details.
945         * doc/md.texi (atomic_test_and_set): Document.
946
947 2012-01-25  Richard Henderson  <rth@redhat.com>
948
949         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
950
951 2012-01-25  Richard Henderson  <rth@redhat.com>
952
953         PR target/51968
954         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
955         to effect no-op split.
956
957 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
958
959         PR lto/51698
960         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
961         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
962         (BT_FN_VOID_PTR_INT_SIZE): New.
963         (BT_FN_UINT_UINT_VAR): Remove.
964         (BT_FN_UINT32_UINT32_VAR): New.
965         (BT_FN_DOUBLE_VPTR): Remove.
966         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
967
968         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
969         (_ITM_changeTransactionMode): Same.
970         (_ITM_memmoveRtWt): Change return type to void.
971         (_ITM_memcpyRtWt): Same.
972         (_ITM_memsetW): Same.
973         (_ITM_RaRD): Change types to double.
974         (_ITM_RD): Same.
975         (_ITM_RaWD): Same.
976         (_ITM_RfWD): Same.
977
978         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
979
980 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
981             Patrick Marlier  <patrick.marlier@gmail.com>
982
983         * trans-mem.c (requires_barrier): Do not instrument thread local
984         variables and emit save/restore for them.
985
986 2012-01-24  Jason Merrill  <jason@redhat.com>
987
988         PR c++/51812
989         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
990         output static aliases.
991
992 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
993
994         PR driver/47249
995         * common.opt (-pie, -shared, pie, shared): Change from Common to
996         Driver.
997         * gcc.c (display_help): Display help for -pie and -shared.
998
999 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
1000
1001         PR target/49868
1002         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1003         Remove note on size/offset limitation.
1004         (AVR Variable Attributes): Add example how to read data located
1005         with progmem.  Refer to named address spaces.
1006         * doc/invoke.texi (AVR Options): Fix typo.
1007
1008 2012-01-24  Richard Guenther  <rguenther@suse.de>
1009
1010         Forward-port to trunk
1011         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
1012
1013         PR middle-end/45678
1014         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1015         op0 isn't sufficiently aligned and there is movmisalignM
1016         insn for mode, use it to load op0 into a temporary register.
1017
1018 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR target/51957
1021         * target.def (const_not_ok_for_debug_p): New hook.
1022         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1023         documentation.
1024         * doc/tm.texi: Regenerated.
1025         * dwarf2out.c (const_ok_for_output_1): If
1026         targetm.const_not_ok_for_debug_p returns true, fail.
1027         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1028         function.
1029         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1030
1031 2012-01-23  Kai Tietz  <ktietz@redhat.com>
1032
1033         PR target/51900
1034         * config/i386/predicates.md (symbolic_operand): Allow
1035         UNSPEC_PCREL as PIC expression for lea.
1036         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1037         * config/i386/i386.c (ix86_delegitimize_address): Handle
1038         UNSPEC_PCREL for none-MEM, too.
1039
1040 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1041
1042         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1043         (ipa_tm_create_version_alias): Same.
1044
1045 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
1046
1047         PR libitm/51830
1048         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1049         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1050
1051 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
1052             Patrick Marlier  <patrick.marlier@gmail.com>
1053             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
1054
1055         PR lto/51916
1056         * lto-wrapper.c (run_gcc): Pass the LTO section name to
1057         simple_object_start_read.
1058
1059 2012-01-23  Richard Guenther  <rguenther@suse.de>
1060
1061
1062         PR tree-optimization/51895
1063         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1064         parameter decomposition into BLKmode components.
1065
1066 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
1067
1068         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1069         fake variables for restrict-qualified pointers whose pointed-to type
1070         contains a placeholder.
1071
1072 2012-01-23  Richard Guenther  <rguenther@suse.de>
1073
1074         PR tree-optimization/51949
1075         * ipa-split.c (execute_split_functions): Do not split malloc functions.
1076
1077 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
1078
1079         PR rtl-optimization/51933
1080         * ree.c (transform_ifelse): Return true right away if dstreg is
1081         already wider or equal to cand->mode.
1082         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1083         (make_defs_and_copies_lists): Remove defs_list and copies_list
1084         arguments, add state argument, just truncate state->work_list
1085         instead of always allocating and freeing the vector.  Assert that
1086         get_defs succeeds instead of returning 2.  Changed return type to bool.
1087         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
1088         have ext_src_mode, see if it has been modified already with the
1089         right kind of extension and has been extended before from the
1090         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
1091         just return true.  Remember the original mode in state->modified array.
1092         (combine_reaching_defs): Add state argument.  Don't allocate and
1093         free here def_list, copied_list and vec vectors, instead just
1094         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
1095         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1096         Add state variable, clear vectors in it, initialize state.modified
1097         if needed.  Free all the vectors at the end and state.modified too.
1098         Don't skip a candidate if the extension expression has been modified.
1099
1100 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
1101
1102         PR target/47096
1103         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1104          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1105         (extra_options) interix.opt -> i386/interix.opt"
1106         (extra_objs):Add winnt-stubs.o
1107         * configure.ac: Add interix to target_os .comm on PE check.
1108         * configure: Regenerate.
1109         * config/interix3.h: Delete and move bits to..
1110         * config/interix.h: Delete and move bits to..
1111         * config/i386/i386-interix3.h: Delete and move bits to..
1112         * config/i386/i386-interix.h: ..here.
1113         (TARGET_CPU_DEFAULT): Remove redefinition.
1114         (TARGET_ASM_CONSTRUCTOR): Undefine.
1115         (SUBTARGET_SWITCHES): Define for ms-bitfields.
1116         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1117         (PTRDIFF_TYPE): Define.
1118         (LONG_DOUBLE_TYPE_SIZE): Define.
1119         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1120         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1121         (TARGET_SECTION_TYPE_FLAGS): Define.
1122         (ASM_DECLARE_FUNCTION_NAME): Define.
1123         (ASM_OUTPUT_EXTERNAL): Define.
1124         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1125         (ASM_OUTPUT_ALIGNED_BSS): Define.
1126         (PCC_BITFIELD_TYPE_MATTERS): Define.
1127         (USE_CONST_SECTION): Define.
1128         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1129         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1130         (SUPPORTS_ONE_ONLY): Remove.
1131         (I386_PE_STRIP_ENCODING): Define.
1132         * config/interix.opt: Delete and move bits to..
1133         * config/i386/interix.opt: ..here. New.
1134         (mpe-aligned-commons): Add.
1135         * config/i386/t-interix: Add copyright header.
1136         (winnt-stubs.o): Add rule.
1137
1138 2012-01-22  Jason Merrill  <jason@redhat.com>
1139
1140         PR c++/51832
1141         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1142         for extra name aliases.
1143
1144 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1145
1146         PR rtl-optimization/51924
1147         * ree.c (combine_set_extension): Improve debugging message.
1148         (combine_reaching_defs): Likewise.
1149         (get_defs): Rename confusingly named variable.
1150         (find_and_remove_re): Skip a candidate if the extension expression has
1151         been modified.
1152
1153 2012-01-21  Robert Millan  <rmh@gnu.org>
1154             Gerald Pfeifer  <gerald@pfeifer.com>
1155
1156         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1157         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1158
1159 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1160
1161         PR tree-optimization/51914
1162         * tree-vect-stmts.c (vectorizable_conversion): For
1163         cvt_type && modifier == WIDEN, put temporary with cvt_type
1164         at the beginning of vec_dsts and set vec_dest to temporary
1165         with vectype_out.
1166
1167 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
1168
1169         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1170
1171 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
1172
1173         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1174         * config/rs6000/rs6000.c: Likewise.
1175
1176 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
1177
1178         PR target/51915
1179         * config/arm/arm.c (arm_count_output_move_double_insns): Call
1180         output_move_double on a copy of operands array.
1181
1182 2012-01-20  Cary Coutant  <ccoutant@google.com>
1183             Dodji Seketeli  <dodji@redhat.com>
1184
1185         PR debug/45682
1186         * dwarf2out.c (copy_declaration_context): Return ref to parent
1187         of declaration DIE, if necessary.
1188         (remove_child_or_replace_with_skeleton): Add new parameter; update
1189         caller.  Place skeleton DIE under parent DIE of original declaration.
1190         Move call to copy_declaration_context to here ...
1191         (break_out_comdat_types): ... from here.
1192
1193 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1194
1195         PR rtl-optimization/51856
1196         * reload.c (find_reloads_subreg_address): Set the address_reloaded
1197         flag to reloaded.
1198
1199 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1200
1201         PR target/51819
1202         * config/arm/arm.c (arm_print_operand): Correct output of alignment
1203         hints for neon loads and stores.
1204
1205 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
1206
1207         PR target/49868
1208         PR target/50887
1209         * doc/extend.texi (Named Address Spaces): Split into subsections.
1210         (AVR Named Address Spaces): New subsection.
1211         (M32C Named Address Spaces): New subsection.
1212         (RL78 Named Address Spaces): New subsection.
1213         (SPU Named Address Spaces): New subsection.
1214         (Variable Attributes): New anchor "AVR Variable Attributes".
1215         (AVR Variable Attributes): Rewrite and avoid wording
1216         "address space" in this context.
1217         * doc/invoke.texi (AVR Options): Rewrite and add documentation
1218         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1219         (AVR Built-in Macros): New subsubsection therein.
1220         * doc/md.texi (AVR constraints): Remove "C04", "R".
1221
1222 2012-01-20  Richard Guenther  <rguenther@suse.de>
1223
1224         PR tree-optimization/51903
1225         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1226         when removing stmts.
1227
1228 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1229
1230         PR target/50313
1231         * config/arm/arm.c (arm_load_pic_register): Use
1232         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1233         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1234         (arm_pic_static_addr): Likewise.
1235         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1236         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1237         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1238         (pic_load_addr_unified): New.
1239
1240 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
1241
1242         PR target/51106
1243         * function.c (instantiate_virtual_regs_in_insn): Use
1244         delete_insn_and_edges when removing a wrong asm insn.
1245
1246 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1247
1248         PR rtl-optimization/40761
1249         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1250         Add new member loop_num.
1251         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1252         (ira_build): Remove the parameter.
1253
1254         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1255         (ira.c): Do not build CFG loops for one region allocation.  Remove
1256         argument from ira_build call.
1257
1258         * ira-build.c (init_loop_tree_node): New function.
1259         (create_loop_tree_nodes): Use it.  Separate the case when CFG
1260         loops are not built.
1261         (more_one_region_p): Check current_loops.
1262         (finish_loop_tree_nodes): Separate the case when CFG loops are not
1263         built.
1264         (add_loop_to_tree): Process loop equal to NULL too.
1265         (form_loop_tree): Separate the case when CFG loops are not built.
1266         Use explicitly number for the root.
1267         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1268         an assertion.
1269         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1270         instead of loop->num.
1271         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
1272         (mark_all_loops_for_removal): Ditto.
1273         (remove_unnecessary_regions): Separate the case when CFG loops
1274         are not built.
1275         (ira_build): Remove the parameter.  Use explicit number of regions
1276         when CFG loops are not built.
1277
1278         * ira-color.c (print_loop_title): Separate the case for the root node.
1279         Use loop_num instead of loop->num.
1280         (move_spill_restore): Use loop_num instead of loop->num.
1281
1282         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1283         (change_loop): Ditto.
1284         (change_loop): Use loop_num instead of loop->num.
1285
1286         * ira-lives.c (process_bb_node_lives): Ditto.
1287
1288         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1289
1290         * ira-conflicts.c (print_allocno_conflicts): Ditto.
1291
1292 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1293
1294         PR libmudflap/40778
1295         * tree-mudflap.c (mf_artificial): New function.
1296         (execute_mudflap_function_ops, execute_mudflap_function_decls,
1297         mx_register_decls, mudflap_enqueue_decl): Use it.
1298
1299         PR target/51876
1300         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1301         numbers in the insn pattern.
1302
1303 2012-01-19  Michael Matz  <matz@suse.de>
1304
1305         PR tree-optimization/46590
1306         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1307         use it in remembering which conflicts we already created.
1308         (add_scope_conflicts): Adjust call to above, (de)allocate helper
1309         bitmap.
1310
1311 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
1312
1313         PR lto/51280
1314         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1315         (merge_and_complain): Same.
1316
1317 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR bootstrap/50237
1320         * config/initfini-array.h: Guard content of the header
1321         with #ifdef HAVE_INITFINI_ARRAY.
1322         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1323         Add initfini-array.h to tm_file here.
1324         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1325         * config.gcc: Don't add initfini-array.h to tm_file here.
1326         * configure: Regenerated.
1327
1328 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
1329
1330         PR rtl-optimization/51505
1331         * df-problems.c (df_kill_notes): New parameter live. Update comment.
1332         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1333         (df_note_bb_compute): Update the call to df_kill_notes.
1334
1335 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
1336
1337         * trans-mem.c (requires_barrier): Remove call to is_global_var.
1338
1339 2012-01-18  Richard Guenther  <rguenther@suse.de>
1340
1341         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1342         of conversions to void *.
1343
1344 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1345             Richard Sandiford  <rdsandiford@googlemail.com>
1346
1347         PR middle-end/50325
1348         PR middle-end/51192
1349         * optabs.h (simplify_expand_binop): Declare.
1350         * optabs.c (simplify_expand_binop): Make global.
1351         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1352         endian targets if the source cannot be exactly covered by word
1353         mode chunks.
1354
1355 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1356
1357         PR bootstrap/51872
1358         * hard-reg-set.h (struct hard_reg_set_container): New type.
1359         * target.h (struct hard_reg_set_container): Forward declare.
1360         * target.def (set_up_by_prologue): New target hook.
1361         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1362         * doc/tm.texi: Regenerated.
1363         * function.c (thread_prologue_and_epilogue_insns): Change
1364         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1365         Call targetm.set_up_by_prologue on it.
1366         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1367         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1368
1369 2012-01-17  Nick Clifton  <nickc@redhat.com>
1370
1371         * config/rx/rx.c (rx_can_use_simple_return): New function.
1372         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1373         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1374
1375 2012-01-17  Richard Guenther  <rguenther@suse.de>
1376
1377         PR middle-end/51782
1378         * expr.c (expand_assignment): Take address-space information
1379         from the address operand of MEM_REF and TARGET_MEM_REF.
1380         (expand_expr_real_1): Likewise.
1381
1382 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1383
1384         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1385         reload dump is requested.
1386
1387 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
1388
1389         PR other/51165
1390         * trans-mem.c (requires_barrier): Call may_be_aliased.
1391
1392 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR tree-optimization/51877
1395         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1396         call arguments and fndecls compare equal, instead return false if they
1397         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
1398         both SSA_NAMEs that are valueized the same, or they satisfy
1399         operand_equal_p.
1400
1401 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1402
1403         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1404         Solaris 11+.
1405         * configure: Regenerate.
1406
1407 2012-01-16  Jan Hubicka  <jh@suse.cz>
1408
1409         PR c/12245
1410         PR c++/14179
1411         * convert.c (convert_to_integer): Use fold_convert for
1412         converting an INTEGER_CST to integer type.
1413
1414 2012-01-16  Jason Merrill  <jason@redhat.com>
1415
1416         PR c++/14179
1417         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1418
1419 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
1420
1421         PR bootstrap/51860
1422         * config/s390/s390.c (s390_chunkify_start): Don't skip
1423         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
1424         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1425         If insn is followed by NOTE_INSN_VAR_LOCATION or
1426         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1427         Don't use location of note insns.
1428
1429         PR tree-optimization/51865
1430         * tree-inline.c (tree_function_versioning): Call remap_decl
1431         on DECL_RESULT whenever it has VOID_TYPE_P type.
1432
1433 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
1434
1435         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1436         for calls to locally-binding MIPS16 functions if only the return
1437         type uses float regs.
1438
1439 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
1440             Richard Sandiford  <rdsandiford@googlemail.com>
1441
1442         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1443         (SYMBOL_32_HIGH): Likewise.
1444         (mips_output_tls_reloc_directive): Declare.
1445         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1446         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1447         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1448         (mips_lo_relocs, mips_hi_relocs): Make extern.
1449         (mips16_stub_function): Move up file.
1450         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1451         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
1452         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
1453         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1454         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
1455         (mips_get_tp): Add MIPS16 support.
1456         (mips_legitimize_tls_address): Remove MIPS16 sorry().
1457         Generalize DTPREL and TPREL handling.
1458         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1459         Add MIPS16 TLS support.
1460         (mips_output_tls_reloc_directive): New function.
1461         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1462         * config/mips/predicates.md (symbolic_operand_with_high)
1463         (tls_reloc_operand): New predicates.
1464         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1465         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1466         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1467         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
1468         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1469         (*tls_get_tp_mips16_call_<mode>): Likewise.
1470
1471 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
1472
1473         PR rtl-optimization/51821
1474         * recog.c (peep2_find_free_register): Determine clobbered registers
1475         from insn pattern.
1476
1477 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
1478
1479         PR target/50925
1480         * config/avr/avr-protos.h: Revert change of 2012-01-09.
1481         * config/avr/avr.c: Likewise.
1482         * config/avr/avr.h: Likewise.
1483
1484 2012-01-13  Ian Lance Taylor  <iant@google.com>
1485
1486         PR c++/50012
1487         * tree.h (TYPE_QUALS): Add cast to int.
1488         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1489
1490 2012-01-13  Ian Lance Taylor  <iant@google.com>
1491
1492         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1493         comparing param_index to VEC_length result.
1494
1495 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
1496
1497         * c-decl.c: Do not include tree-mudflap.h
1498         * tree-optimize.c: Likewise.
1499         * Makefile.in: Update dependencies.
1500
1501 2012-01-13  Richard Guenther  <rguenther@suse.de>
1502
1503         PR middle-end/8081
1504         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1505         variable-sized result always use RSO.
1506
1507 2012-01-12  DJ Delorie  <dj@redhat.com>
1508
1509         * cfgexpand.c (convert_debug_memory_address): Allow any valid
1510         pointer type, not just the default pointer type.
1511
1512 2012-01-09  Richard Henderson  <rth@redhat.com>
1513             Denis Chertykov  <chertykov@gmail.com>
1514
1515         PR target/50925
1516         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1517         * config/avr/avr.c (avr_can_eliminate): Simplify.
1518         (avr_initial_elimination_offset): Likewise.
1519         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1520         (expand_epilogue): Likewise.
1521         (avr_legitimize_address): Gut.
1522         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1523         (avr_hard_regno_nregs): New.
1524         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1525         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1526         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1527         add soft frame pointer.
1528         (CALL_USED_REGISTERS): Likewise.
1529         (REG_CLASS_CONTENTS): Likewise.
1530         (REGISTER_NAMES): Likewise.
1531         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1532         (HARD_FRAME_POINTER_REGNUM): New.
1533         (FRAME_POINTER_REGNUM): Use soft frame pointer.
1534         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1535         remove the HARD_FRAME_POINTER self-elimination.
1536
1537 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
1538
1539         PR target/51756
1540         * config/avr/avr.c (avr_encode_section_info): Test for absence of
1541         DECL_EXTERNAL when checking for initializers of progmem variables.
1542
1543 2012-01-12  Ira Rosen  <irar@il.ibm.com>
1544
1545         PR tree-optimization/51799
1546         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1547         that the last operation is a type demotion.
1548
1549 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
1550
1551         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1552         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1553
1554 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
1555
1556         PR bootstrap/51796
1557         * combine.c (distribute_notes): If i3 is a noreturn call,
1558         allow old_size to be equal to args_size and make sure the
1559         noreturn call gets REG_ARGS_SIZE note.
1560         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1561         on noreturn calls even when the delta is 0.
1562
1563 2012-01-11  Nathan Sidwell  <nathan@acm.org>
1564
1565         * gcov.c (STRING_SIZE): Remove.
1566         (generate_results): Erase annotations for source files with no
1567         coverage information.
1568         (read_line): New.
1569         (output_lines): Use it.
1570
1571 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1572
1573         * gimple.h (gimplify_body): Remove first argument.
1574         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
1575         pointer set here, instead just pass DATA to walk_tree.
1576         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
1577         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1578         (unvisit_body): Likewise, but with unmark_visited.
1579         (gimplify_body): Remove BODY_P argument and adjust.
1580         (gimplify_function_tree): Adjust call to gimplify_body.
1581         * omp-low.c (finalize_task_copyfn): Likewise.
1582
1583 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1584
1585         * tree.h (build_function_decl_skip_args): Add boolean parameter.
1586         (build_function_type_skip_args): Delete.
1587         * tree.c (build_function_type_skip_args): Make static and add
1588         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
1589         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1590         pass it to build_function_type_skip_args.
1591         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1592         (tree_function_versioning): Likewise.
1593         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1594         build_function_decl_skip_args.
1595         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1596         and pass it to build_function_decl_skip_args/tree_function_versioning.
1597         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1598         * ipa-inline-transform.c (save_inline_function_body): Likewise.
1599         * trans-mem.c (ipa_tm_create_version): Likewise.
1600         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1601         * tree-inline.c (declare_return_variable): Remove always-true test.
1602         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
1603         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1604         * ipa-split.c (split_function): Skip the return value for the split
1605         part if it doesn't return.
1606
1607 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1608
1609         PR tree-optimization/49642
1610         * ipa-split.c (forbidden_dominators): New variable.
1611         (check_forbidden_calls): New function.
1612         (dominated_by_forbidden): Likewise.
1613         (consider_split): Check for forbidden dominators.
1614         (execute_split_functions): Initialize and free forbidden
1615         dominators info; call check_forbidden_calls.
1616
1617 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1618
1619         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1620
1621 2012-01-11  Nick Clifton  <nickc@redhat.com>
1622
1623         * config/rx/rx.md (return): Define pattern.
1624
1625 2012-01-11  Richard Guenther  <rguenther@suse.de>
1626
1627         * doc/extend.texi (malloc attribute): Adjust according to
1628         implementation.
1629
1630 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
1631             Patrick Marlier  <patrick.marlier@gmail.com>
1632
1633         PR middle-end/51516
1634         * trans-mem.c (get_cg_data): Traverse aliases if requested.
1635         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1636         (ipa_tm_note_irrevocable): Same.
1637         (ipa_tm_scan_irr_block): Same.
1638         (ipa_tm_decrement_clone_counts): Same.
1639         (ipa_tm_scan_irr_function): Same.
1640         (ipa_tm_create_version_alias): Same.
1641         (ipa_tm_create_version): Same.
1642         (ipa_tm_transform_calls_redirect): Same.
1643         (ipa_tm_transform_calls): Same.
1644         (ipa_tm_transform_transaction): Same.
1645         (ipa_tm_execute): Same.
1646
1647 2012-01-10  Richard Guenther  <rguenther@suse.de>
1648
1649         PR middle-end/51806
1650         * opts.c (common_handle_option): Handle -Werror.
1651
1652 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1653
1654         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1655         operand number.
1656
1657 2012-01-10  Jason Merrill  <jason@redhat.com>
1658
1659         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1660         information.
1661
1662 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1663
1664         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1665         supports R_386_TLS_GD_PLT reloc.
1666         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1667         supports R_386_TLS_LDM_PLT reloc.
1668         * configure: Regenerate.
1669         * config.in: Regenerate.
1670
1671 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1672
1673         PR target/49868
1674         Extend __pgmx semantics to linearize memory.
1675         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1676         determine if code comes inline or from libgcc.
1677         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1678         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1679         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1680         (movmemx_qi, movmemx_hi): New insns.
1681         (xload_<mode>_libgcc): Rewrite to new insn condition.
1682         (xload_<mode>): Remove insns.
1683         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1684         cases that don't satisfy avr_xload_libgcc_p().
1685         (avr_addr_space_convert): Allow converting in any direction.
1686         (avr_addr_space_subset_p): Return always true.
1687         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1688         (avr_emit_movmemhi): Ditto.
1689         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1690         (avr_out_movmem): Ditto.
1691         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1692         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1693         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1694         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1695         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1696
1697 2012-01-10  Richard Guenther  <rguenther@suse.de>
1698
1699         PR tree-optimization/50913
1700         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1701         Require data-refs to be representable by Graphite with respect
1702         to any loop nest.
1703
1704 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1705
1706         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1707         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1708
1709 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1710
1711         PR rtl-optimization/51271
1712         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1713         handling annulled branch.
1714
1715 2012-01-10  Richard Henderson  <rth@redhat.com>
1716
1717         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1718         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1719         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1720         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1721         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1722         arm_expand_vec_perm_const): New.
1723         * config/arm/arm-protos.h: Update.
1724         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1725         (*neon_vswp<VDQX>): New.
1726         (neon_vcombine<VDX>): Use neon_split_vcombine.
1727         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1728         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1729         (vec_perm<VE>): New.
1730
1731 2012-01-10  Richard Henderson  <rth@redhat.com>
1732
1733         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1734         use it if reload_completed.
1735         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1736         arm_output_asm_insn, arm_process_output_memory_barrier,
1737         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1738         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1739         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1740         arm_process_output_sync_insn, arm_output_sync_insn,
1741         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1742         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1743         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1744         (emit_unlikely_jump): New.
1745         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1746         (arm_split_atomic_op): New.
1747         * config/arm/arm-protos.h: Update.
1748         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1749         (struct arm_sync_generator): Remove.
1750         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1751         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1752         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1753         (VUNSPEC_LL, VUNSPEC_SC): New.
1754         (sync_result, sync_memory, sync_required_value, sync_new_value,
1755         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1756         (attr length): Don't use arm_sync_loop_insns.
1757         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1758         (movsfcc, movdfcc): Likewise.
1759         * config/arm/constraints.md (Ua): New.
1760         * config/arm/prediates.md (mem_noofs_operand): New.
1761         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1762         (sync_clobber, sync_t2_reqd): Remove.
1763         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1764         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1765         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1766         (arm_sync_compare_and_swap<SIDI>): Remove.
1767         (arm_sync_compare_and_swap<NARROW>): Remove.
1768         (arm_sync_lock_test_and_set<SIDI>): Remove.
1769         (arm_sync_lock_test_and_set<NARROW>): Remove.
1770         (arm_sync_new_<syncop><SIDI>): Remove.
1771         (arm_sync_new_<syncop><NARROW>): Remove.
1772         (arm_sync_new_nand<SIDI>): Remove.
1773         (arm_sync_new_nand<NARROW>): Remove.
1774         (arm_sync_old_<syncop><SIDI>): Remove.
1775         (arm_sync_old_<syncop><NARROW>): Remove.
1776         (arm_sync_old_nand<SIDI>): Remove.
1777         (arm_sync_old_nand<NARROW>): Remove.
1778         (*memory_barrier): Merge arm_output_memory_barrier.
1779         (atomic_compare_and_swap<QHSD>): New.
1780         (atomic_compare_and_swap<NARROW>_1): New.
1781         (atomic_compare_and_swap<SIDI>_1): New.
1782         (atomic_exchange<QHSD>): New.
1783         (cas_cmp_operand, cas_cmp_str): New.
1784         (atomic_op_operand, atomic_op_str): New.
1785         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1786         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1787         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1788         (arm_load_exclusive<NARROW>): New.
1789         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1790         (arm_store_exclusive<QHSD>): New.
1791
1792 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1793
1794         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1795         reload patterns if -mvsx-scalar-memory.
1796
1797         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1798         generated, even -mno-vsx-scalar-double was used.
1799         (vsx_xscvdpsp_scalar): Likewise.
1800         (vsx_xscvspdp_scalar2): Likewise.
1801
1802 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1803             Andrew Pinski  <apinski@cavium.com>
1804
1805         PR debug/51471
1806         * reorg.c (fill_slots_from_thread): Don't speculate
1807         frame-related insns.
1808
1809 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1810
1811         * sched-int.h (bb_note): Move to...
1812         * basic-block.h: ...here.
1813         * haifa-sched.c (bb_note): Move to...
1814         * cfgrtl.c: ...here.
1815         * function.c (next_block_for_reg): New function.
1816         (move_insn_for_shrink_wrap): Likewise.
1817         (prepare_shrink_wrap): Rewrite to use the above.
1818
1819 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1820
1821         * gimple.c (is_gimple_non_addressable): Remove.
1822         * gimple.h: Remove is_gimple_non_addressable.
1823         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1824         is_gimple_non_addressable.
1825         * trans-mem.c (expand_assign_tm): Same.
1826
1827 2012-01-09  Richard Guenther  <rguenther@suse.de>
1828
1829         PR tree-optimization/51775
1830         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1831         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1832
1833 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1834
1835         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1836         tuning parameters.
1837         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1838
1839 2012-01-09  Richard Guenther  <rguenther@suse.de>
1840
1841         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1842
1843 2012-01-08  Jan Hubicka  <jh@suse.cz>
1844
1845         PR tree-optimize/51680
1846         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1847         on when known_vals needs to be computed; cleanup.
1848
1849 2012-01-08  Jan Hubicka  <jh@suse.cz>
1850
1851         PR tree-optimize/51694
1852         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1853
1854 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1855
1856         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1857         for -std=c++98 and -std=c++11 too.
1858
1859 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1860
1861         * cfgloop.c (cancel_loop): Add free() of bbs array.
1862
1863 2012-01-07  Jan Hubicka  <jh@suse.cz>
1864
1865         PR tree-optimization/51600
1866         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1867         that benefits small functions.
1868
1869 2012-01-07  Jan Hubicka  <jh@suse.cz>
1870
1871         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1872
1873 2012-01-07  Jan Hubicka  <jh@suse.cz>
1874
1875         PR tree-optimization/51680
1876         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1877         whose inlining reduce unit size.
1878
1879 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1880
1881         PR bootstrap/51725
1882         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1883         Add canonical node to containing_mem chain after the non-canonical
1884         one, even if there weren't any locs to propagate.
1885         (remove_useless_values): Keep only canonical values.
1886         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1887         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1888         canonicalize mem_chain elements that are not discarded.
1889
1890 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1891
1892         PR target/47333
1893         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1894         before emitting functions.
1895
1896         PR gcov-profile/50127
1897         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1898         clear_aux_for_blocks.
1899
1900 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1901
1902         PR debug/51746
1903         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1904
1905 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1906
1907         * c-decl.c (ext_block): Moved up.
1908         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1909
1910 2012-01-06  Han Shen  <shenhan@google.com>
1911
1912         Translate built-in include paths for sysroot.
1913         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1914         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1915
1916         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1917         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1918
1919         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1920         control whether sysroot should be prepended to gxx include dir.
1921
1922         * configure: Regenerate.
1923
1924 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1925
1926         PR rtl-optimization/51771
1927         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1928         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1929
1930 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1931
1932         PR tree-optimization/51315
1933         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1934         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1935
1936 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1937
1938         PR target/51681
1939         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1940         for shrp pattern.  Correctly handle and fixup shift variable.
1941         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1942
1943 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1944
1945         PR debug/51762
1946         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1947         note when !ACCUMULATE_OUTGOING_ARGS.
1948
1949 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1950
1951         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1952         condition.
1953         (extract_range_from_unary_expr_1): Avoid useless computations.
1954
1955 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1956
1957         PR rtl-optimization/51767
1958         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1959         of jump_block and add an extra edge for degenerated asm gotos.
1960
1961         PR middle-end/51768
1962         * stmt.c (check_unique_operand_names): Don't ICE during error
1963         reporting if i is from labels chain.
1964
1965         PR middle-end/44777
1966         * profile.c (branch_prob): Split bbs that have exit edge
1967         and need a fake entry edge too.
1968
1969 2012-01-05  Jan Hubicka  <jh@suse.cz>
1970
1971         PR middle-end/49710
1972         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1973         unlooping loops.
1974
1975 2012-01-05  Richard Guenther  <rguenther@suse.de>
1976
1977         PR lto/50490
1978         * tree-streamer-out.c (write_ts_optimization): New function.
1979         (streamer_write_tree_body): Call it.
1980         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1981         (streamer_read_tree_body): Call it.
1982         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1983
1984 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1985
1986         PR middle-end/51761
1987         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1988         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1989         in_cleanup_point_expr before gimplify_stmt call and restore it
1990         afterwards.
1991         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1992         in_cleanup_point_expr is false.
1993
1994 2012-01-05  Richard Guenther  <rguenther@suse.de>
1995
1996         PR middle-end/51764
1997         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1998         to c.opt.
1999         * toplev.c (process_options): Reject combining mudflap and LTO.
2000         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2001
2002 2012-01-05  Richard Guenther  <rguenther@suse.de>
2003
2004         PR tree-optimization/51760
2005         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2006         not VARYING.
2007         (bit_value_unop): Handle UNDEFINED operands.
2008         (bit_value_binop): Likewise.
2009
2010 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
2011
2012         * config/avr/avr.c (avr_replace_prefix): Remove.
2013         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2014         (avr_asm_function_rodata_section): Ditto.
2015         (avr_asm_select_section): Ditto.
2016
2017 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
2018
2019         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2020         insertion.
2021
2022 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2023
2024         PR bootstrap/51648
2025         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2026         calls that have any non-fake successor edges.
2027
2028         PR debug/51746
2029         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2030
2031 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
2032
2033         PR tree-optimization/51624
2034         * tree-sra.c (build_ref_for_model): When replicating a chain of
2035         COMPONENT_REFs, stop as soon as the offset would become negative.
2036
2037 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
2038
2039         PR debug/51695
2040         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2041         in .debug_loc on the floor.
2042
2043 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2044
2045         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2046
2047 2012-01-04  Andrew Pinski  <apinski@cavium.com>
2048             Adam Nemet  <anemet@caviumnetworks.com>
2049
2050         * config/mips/mips.md (size): Add SI and DI.
2051         (SIZE): New mode attribute.
2052         (U): New code attribute.
2053         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2054         (mips_lbux_<mode>): Delete.
2055         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2056         (mips_lhx): Use gen_mips_lhx_extsi.
2057         (mips_lhx_<mode>): Delete.
2058         (mips_lwx): Delete.
2059         (mips_l<size>x): New expand.
2060         (mips_lwx_<mode>): Delete.
2061         (mips_l<GPR:size>x_<P:mode>): New pattern.
2062         (*mips_lw<u>x_<P:mode>_ext): Likewise.
2063         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2064         * config/mips/mips.c (mips_lx_address_p): New function.
2065         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2066         (dsp64): New availability predicate.
2067         (mips_builtins): Add an entry for __builtin_mips_ldx.
2068         * config/mips/mips.h (ISA_HAS_LBX): New define.
2069         (ISA_HAS_LBUX): Likewise.
2070         (ISA_HAS_LHX): Likewise.
2071         (ISA_HAS_LHUX): Likewise.
2072         (ISA_HAS_LWX): Likewise.
2073         (ISA_HAS_LWUX): Likewise.
2074         (ISA_HAS_LDX): Likewise.
2075         * doc/extend.texi (__builtin_mips_ldx): Document.
2076
2077 2012-01-04  Tristan Gingold  <gingold@adacore.com>
2078
2079         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2080         when long pointers are used.
2081         * config.build (*-*-*vms*): Handle all OpenVMS targets.
2082         (alpha64-dec-*vms*, alpha*-dec-*vms*)
2083         (ia64-hp-*vms*): Remove.
2084         * config/vms/xm-vms64.h: Delete.
2085
2086 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2087
2088         PR middle-end/51472
2089         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2090
2091 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2092
2093         * opts.c (finish_options): Remove duplicate sorry.
2094
2095 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
2096
2097         PR middle-end/51696
2098         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2099         correctly.
2100
2101 2012-01-04  Richard Guenther  <rguenther@suse.de>
2102
2103         PR middle-end/51750
2104         * tree.c (size_low_cst): New function.
2105         * tree.h (size_low_cst): Declare.
2106         * fold-const.c (fold_comparison): Use it to extract the low
2107         part of the POINTER_PLUS_EXPR offset.
2108
2109 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
2110
2111         Fix clearing ZERO_REG
2112         * config/avr/avr.md (cc): Add alternative "ldi".
2113         (movqi_insn): Use it in cc attribute.
2114         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2115         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2116         (output_reload_insisf): Use ZERO_REG to pre-clear register.
2117
2118 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2119
2120         * configure: Regenerate.
2121
2122 2012-01-04  Richard Guenther  <rguenther@suse.de>
2123
2124         PR tree-optimization/49651
2125         * tree-ssa-structalias.c (type_can_have_subvars): New function.
2126         (var_can_have_subvars): Use it.
2127         (get_constraint_for_1): Only consider subfields if there can be any.
2128
2129 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR bootstrap/51725
2132         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2133         to its new canonical_cselib_val and the cselib_val was in
2134         first_containing_mem chain, but the canonical_cselib_val was not,
2135         add the latter into the chain.
2136         (cselib_invalidate_mem): Compare canonical_cselib_val of
2137         addr_list chain elt with v.
2138
2139         PR pch/51722
2140         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2141         dwarf2out_undef): Allocate e.info using ggc_strdup instead
2142         of xstrdup.
2143         (output_macinfo_op): Don't ggc_strdup fd->filename.
2144         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2145         then ggc_strdup it.  Don't free inc->info or cur->info.
2146         (output_macinfo): Don't free ref->info or file->info.
2147
2148 2012-01-03  Ira Rosen  <irar@il.ibm.com>
2149
2150         PR tree-optimization/51269
2151         * tree-vect-loop-manip.c (set_prologue_iterations): Make
2152         first_niters a pointer.
2153         (slpeel_tree_peel_loop_to_edge): Likewise.
2154         (vect_do_peeling_for_loop_bound): Update call to
2155         slpeel_tree_peel_loop_to_edge.
2156         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2157         here.  Remove it from the parameters list.
2158         (vect_do_peeling_for_alignment): Update calls and compute
2159         wide_prolog_niters.
2160
2161 2012-01-03  Richard Guenther  <rguenther@suse.de>
2162
2163         PR tree-optimization/51070
2164         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2165         Properly handle calls.
2166
2167 2012-01-03  Richard Guenther  <rguenther@suse.de>
2168
2169         PR tree-optimization/51692
2170         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2171         the LHS of allocation stmts.
2172
2173 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2174
2175         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2176
2177 2012-01-03  Olivier Hainque  <hainque@adacore.com>
2178
2179         * collect2.c (main): In AIX specific computations for vector
2180         insertions, use CONST_CAST2 to cast from char ** to const char **.
2181
2182 2012-01-03  Richard Guenther  <rguenther@suse.de>
2183
2184         PR debug/51650
2185         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2186         the context of a limbo DIE when it does not already exist.
2187
2188 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
2189
2190         PR tree-optimization/51719
2191         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2192         but direct call is, clear direct call's lhs and don't add fallthrough
2193         edge from dcall_bb to join_bb and PHIs.
2194
2195 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2196
2197         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2198         the instructions emitted by the pattern.
2199         ("*TDC_insn_<mode>"): Add comment.
2200
2201 2012-01-03  Richard Guenther  <rguenther@suse.de>
2202
2203         PR middle-end/51730
2204         * fold-const.c (fold_comparison): Properly canonicalize
2205         tree offset and HOST_WIDE_INT bit position.
2206
2207 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
2208
2209         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2210         operands for extzv pattern.
2211
2212 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2213
2214         PR bootstrap/51725
2215         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2216         on mem_elt first.
2217
2218 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
2219
2220         * doc/invoke.texi (-flto and related options): Copy-edit.
2221
2222 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2223
2224         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2225
2226 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2227
2228         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2229         New patterns.
2230
2231 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2232
2233         * expr.h (move_by_pieces_ninsns): Declare.
2234         * expr.c (move_by_pieces_ninsns): Make external.
2235         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2236         (mips_store_by_pieces_p): Likewise.
2237         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2238         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2239         * config/mips/mips.c (mips_move_by_pieces_p): New function.
2240         (mips_store_by_pieces_p): Likewise.
2241
2242 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
2243
2244         * passes.c (register_one_dump_file): Free full_name.
2245
2246         * reload1.c (reload): Don't allocate reg_max_ref_width here.
2247         (calculate_elim_costs_all_insns): Free offsets_at and
2248         offsets_known_at at the end and clear the pointers.
2249
2250 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2251
2252         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2253         this option introduced in r180739.
2254
2255 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2256
2257         PR target/51345
2258         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2259         (tmake_file target=avr): Add avr/t-multilib.
2260
2261         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2262         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2263         * config/avr/genmultilib.awk: New file.
2264         * config/avr/t-multilib: New auto-generated file.
2265         * config/avr/multilib.h: New auto-generated file.
2266         * config/avr/t-avr (AVR_MCUS): New variable.
2267         (genopt.sh): Use it.
2268         (s-mlib): Depend on t-multilib.
2269         (t-multilib, multilib.h): New dependencies.
2270         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2271         (MULTILIB_OPTIONS): Remove.
2272         (MULTILIB_MATCHES): Remove.
2273         (MULTILIB_DIRNAMES): Remove.
2274         (MULTILIB_EXCEPTIONS): Remove:
2275         * config/avr/genopt.sh: Don't use hard coded file name;
2276         pass AVR_MCUS from t-avr instead.
2277
2278 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2279
2280         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2281
2282 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
2283
2284         Implement light-weight DImode support.
2285         * config/avr/avr-dimode.md: New file.
2286         * config/avr/avr.md: Include it.
2287         (adjust_len): Add plus64, compare64.
2288         (HIDI): Remove code iterator.
2289         (code_stdname): New code attribute.
2290         (rotx, rotsmode): Remove DI.
2291         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2292         as code iterator.
2293         * config/avr/avr-protos.h (avr_have_dimode): New.
2294         (avr_out_plus64, avr_out_compare64): New.
2295         * config/avr/avr.c (avr_out_compare): Handle DImode.
2296         (avr_have_dimode): New variable definition and initialization.
2297         (avr_out_compare64, avr_out_plus64): New functions.
2298         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2299         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2300         (avr_compare_pattern): Skip DImode comparisons.
2301
2302 2012-01-02  Revital Eres  <revital.eres@linaro.org>
2303
2304         * ddg.c (def_has_ccmode_p): New function.
2305         (add_cross_iteration_register_deps,
2306         create_ddg_dep_from_intra_loop_link): Call it.
2307
2308 2012-01-02  Richard Guenther  <rguenther@suse.de>
2309
2310         PR other/51679
2311         * invoke.texi (fassociative-math): Remove spurious paranthesis.
2312
2313 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2314
2315         * gcc.c (process_command): Update copyright notice dates.
2316         * gcov.c (print_version): Likewise.
2317         * gcov-dump.c (print_version): Likewise.
2318         * mips-tfile.c (main): Likewise.
2319         * mips-tdump.c (main): Likewise.
2320
2321 2012-01-01  Ira Rosen  <irar@il.ibm.com>
2322
2323         PR tree-optimization/51704
2324         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2325         a use is inside the basic block or loop before accessing its vect info.
2326
2327 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
2328
2329         PR rtl-optimization/51069
2330         * cfgloopmanip.c (remove_path): Removing path making irreducible
2331         region unconditional makes BB part of the region.
2332
2333 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
2334
2335         PR tree-optimization/51683
2336         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2337         calls with side-effects.
2338         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2339 \f
2340 Copyright (C) 2012 Free Software Foundation, Inc.
2341
2342 Copying and distribution of this file, with or without modification,
2343 are permitted in any medium without royalty provided the copyright
2344 notice and this notice are preserved.