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2012-05-29 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-29  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/53516
4         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
5         bitfield accesses.
6         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
7
8 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
9
10         Backport from mainline
11         2012-05-28  Richard Guenther  <rguenther@suse.de>
12
13         PR tree-optimization/53438
14         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
15
16 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
17
18         Backport from mainline
19         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
20
21         PR rtl-optimization/52528
22         * combine.c (can_combine_p): Add setting of subst_low_luid
23         before call to expand_field_assignment().
24
25 2012-05-26  Martin Jambor  <mjambor@suse.cz>
26
27         Backport from mainline
28         2012-05-23  Martin Jambor  <mjambor@suse.cz>
29
30         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
31
32 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
33
34         PR lto/52178
35         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
36         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
37
38 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
39
40         PR target/53435
41         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
42         (ix86_expand_vec_perm): Use int mode instead of float.
43
44 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
45
46         PR ada/52362
47         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
48         gnu_ld variables to yes.
49         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
50         (HAVE_GNU_AS): Likewise.
51         * config.in: Regenerate.
52         * configure: Likewise.
53
54 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
55
56         Backport from mainline
57         2012-03-12  Richard Guenther  <rguenther@suse.de>
58         * config/arm/arm.c (neon_dereference_pointer): Do not call
59         covert during RTL expansion.
60
61 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
62
63         Backport from mainline
64         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
65
66         PR target/53385
67         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
68         relied on signed overflow behavior.
69
70 2012-05-24  Richard Guenther  <rguenther@suse.de>
71
72         PR middle-end/53460
73         * tree-profile.c (tree_profiling): Cleanup the CFG if
74         execute_fixup_cfg requests it.
75
76 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
77
78         PR tree-optimization/53465
79         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
80         vr0 into *vr, then vrp_meet that.
81         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
82         have any equivalences.
83         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
84         first time.
85
86 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
87
88         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
89         size handling.
90         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
91         (iterative_hash_gimple_type): Adjust comment.
92         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
93         domain for an array type instead of the domain type itself.
94
95 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
96
97         Backport from 2012-05-23 mainline r187803
98
99         PR target/53448
100         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
101         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
102         ASM_OUTPUT_ALIGN.
103
104 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
105
106         Backport from 2012-05-03 mainline r187075
107
108         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
109         has_fma4 for AMD processors with both fma3 and fma4 support.
110
111 2012-05-22  Richard Guenther  <rguenther@suse.de>
112
113         PR tree-optimization/53408
114         * tree-vect-loop.c (vectorizable_induction): Properly check
115         the restriction that we cannot handle induction results from
116         the inner loop outside of the outer loop.
117
118 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
119
120         PR tree-optimization/53436
121         * omp-low.c (omp_build_component_ref): New function.
122         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
123
124         PR tree-optimization/53366
125         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
126         tests if complex_numbers == 2, but there are non-complex number loads
127         too.
128
129         PR tree-optimization/53409
130         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
131         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
132
133         PR tree-optimization/53410
134         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
135         instead of build_int_cst (type, 0) where vector types might be
136         involved.
137
138 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
139
140         PR c/53418
141         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
142         from folded operands before wrapping another around the
143         conditional expression.
144
145 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
146             Patrick Marlier  <patrick.marlier@gmail.com>
147
148         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
149         indirect calls.
150
151 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
152
153         Backport from mainline
154         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
155
156         PR target/53416
157         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
158         (UNSPECV_RDRAND): This.
159         (rdrand<mode>_1): Updated.
160
161 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
162
163         Backport from mainline
164         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
165
166         * config/i386/driver-i386.c (host_detect_local_cpu): Support
167         RDRND, F16C and FSGSBASE.
168
169 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
170
171         Backport from mainline
172         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
173
174         * tree-ssa-pre.c (can_value_number_call): Delete.
175         (compute_avail): Skip all statements with side effects.
176         <GIMPLE_CALL>: Skip calls to internal functions.
177
178 2012-05-18  David S. Miller  <davem@davemloft.net>
179
180         Backport r185385 from mainline
181         2012-03-14  Richard Guenther  <rguenther@suse.de>
182
183         PR middle-end/52584
184         * tree-vect-generic.c (type_for_widest_vector_mode): Take
185         element type instead of mode, use build_vector_type_for_mode
186         instead of the langhook, build a vector of proper signedness.
187         (expand_vector_operations_1): Adjust.
188
189 2012-05-18  Olivier Hainque  <hainque@adacore.com>
190
191         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
192         $(libsubdir) as libexecsubdir.
193
194 2012-05-16  Andrew Pinski  <apinski@cavium.com>
195
196         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
197         GIMPLE_ASSIGN.
198
199 2012-05-16  David S. Miller  <davem@davemloft.net>
200
201         * jump.c (delete_related_insns): If we remove a CALL, make sure
202         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
203
204 2012-05-16  Richard Henderson  <rth@redhat.com>
205
206         PR debug/52727
207         * combine-stack-adj.c (prev_active_insn_bb): New.
208         (next_active_insn_bb): New.
209         (force_move_args_size_note): New.
210         (combine_stack_adjustments_for_block): Use it.
211
212 2012-05-16  Olivier Hainque  <hainque@adacore.com>
213
214         * Makefile.in (install-no-fixedincludes): New target, former toplevel
215         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
216         Add comments and improve stamp preservation across the whole sequence.
217         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
218
219 2012-05-16  Richard Guenther  <rguenther@suse.de>
220
221         PR tree-optimization/53364
222         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
223         detect a view-conversion of the decl.
224
225 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
226
227         PR target/53358
228         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
229         that operands[2] is either immediate, or q_regs_operand.
230
231 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
232
233         Backport r187139 from mainline.
234         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
235
236         PR rtl-optimization/52804
237         * reload1.c (reload_reg_reaches_end_p): Check whether successor
238         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
239         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
240         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
241         RELOAD_FOR_OUTADDR_ADDRESS.
242
243 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
244
245         PR target/46098
246         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
247         generate target register for "load" class builtins.
248
249         Revert:
250         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
251
252         PR target/46098
253         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
254         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
255         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
256         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
257         (<sse>_movu<ssemodesuffix>): New expander.
258         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
259         (avx_movdqu<avxmodesuffix>): New expander.
260         (*sse2_movdqu): Rename from sse2_movdqu.
261         (sse2_movdqu): New expander.
262
263 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
264
265         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
266         lineno 1 the same as lineno 0 before first start file directive.
267         (optimize_macinfo_range): Likewise.
268
269         * dwarf2out.c (have_macinfo): Define.
270         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
271         attribute, don't force empty compilation unit and don't emit any
272         .debug_macinfo/.debug_macro section if macinfo_table is empty.
273
274 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
275
276         Backport from mainline
277         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
278
279         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
280         ORDERED and UNORDERED conditions.
281
282 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
283
284         * function.c (requires_stack_frame_p): If the function can throw
285         non-call exceptions, return true if the insn can throw internally.
286
287 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
288
289         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
290         DECL_ORIGINAL_TYPE if it is present.
291
292 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
293
294         Backport from 2012-05-12 mainline r187342.
295
296         PR target/53256
297         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
298         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
299         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
300         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
301         (expand_prologue): Move initialization of cfun->machine->is_naked,
302         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
303         (avr_set_current_function): ...this new static function.
304         (TARGET_SET_CURRENT_FUNCTION): New define.
305         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
306         checking attributes of current_function_decl.
307         (avr_regs_to_save): Ditto.
308         (signal_function_p): Rename to avr_signal_function_p.
309         (interrupt_function_p): Rename to avr_interrupt_function_p.
310
311         * doc/extend.texi (Function Attributes): Better explanation of
312         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
313         alphabetical order.
314
315 2012-05-09  Matthias Klose  <doko@ubuntu.com>
316
317         * gcc-ar.c (main): Don't check for execute bits for the plugin.
318
319 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
320
321         PR target/53272
322         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
323         when a constant source operand matches an "I" constraint, the "no
324         CC0 change" applies to a register-destination only, not a
325         strict_low_part-destination.
326
327 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
328
329         Backport from mainline:
330         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
331
332         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
333
334 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
335
336         PR tree-optimization/53239
337         * tree-vrp.c (get_value_range): Set VR of
338         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
339         to nonnull.
340
341 2012-05-07  Richard Guenther  <rguenther@suse.de>
342
343         PR tree-optimization/53195
344         * tree-inline.c (setup_one_parameter): Properly add referenced
345         vars from the parameters new known value.
346
347 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
348
349         Backport from mainline:
350         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
351
352         PR target/52999
353         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
354         in constant pool.
355
356 2012-05-04  Ian Lance Taylor  <iant@google.com>
357
358         * tree-vect-patterns.c (vect_single_imm_use): Correct return
359         values from false to NULL.
360
361 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
362
363         Backport from mainline
364         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
365
366         PR target/53228
367         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
368         (TARGET_CMOV): Rename from TARGET_CMOVE.
369         (TARGET_CMOVE): New define.
370         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
371         Do not set TARGET_CMOVE here.
372
373 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
374
375         Backport from mainline:
376
377         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
378
379         PR tree-optimization/52633
380         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
381         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
382         (vect_recog_over_widening_pattern): Remove handling of code that was
383         already detected as over-widening pattern.  Remove special handling
384         of "unsigned" cases.  Instead, support general case of conversion
385         of the shift result to another type.
386
387         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
388
389         * tree-vect-patterns.c (vect_single_imm_use): New function.
390         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
391         (vect_recog_over_widening_pattern): Likewise.
392         (vect_recog_widen_shift_pattern): Likewise.
393
394         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
395
396         PR tree-optimization/52870
397         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
398         presumed pattern statement is within the same loop or basic block.
399
400 2012-05-04  Richard Guenther  <rguenther@suse.de>
401
402         * common.opt (flto-report): Do not mark as Optimization.
403
404 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
405
406         PR target/48496
407         * recog.c (constrain_operands): If extra constraints are present, also
408         accept pseudo-registers with equivalent memory locations during reload.
409
410 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
411
412         Backport from the mainline
413         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
414
415         PR target/53199
416         * config/rs6000/rs6000.md (bswapdi splitters): If
417         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
418         default) is used, generate an alternate sequence that does not
419         depend on using indexed addressing.
420
421 2012-05-03  David S. Miller  <davem@davemloft.net>
422
423         PR target/52684
424         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
425         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
426         (sparc_emit_float_lib_cmp): Likewise.
427
428 2012-05-04  Martin Jambor  <mjambor@suse.cz>
429
430         Backport from mainline
431         2012-05-02  Martin Jambor  <mjambor@suse.cz>
432
433         PR lto/52605
434         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
435         of a variable when the contect is a function.
436
437 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
438
439         PR plugins/53126
440         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
441         append program name to it and pass that as first argument
442         to make_relative_prefix.  Always pass standard_libexec_prefix
443         as last argument to make_relative_prefix.  If
444         make_relative_prefix returns NULL, fall back to
445         standard_libexec_prefix.
446
447         PR debug/53174
448         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
449         removed.
450
451         PR target/53187
452         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
453         mode, return that mode.
454
455 2012-05-03  Richard Guenther  <rguenther@suse.de>
456
457         PR tree-optimization/53144
458         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
459         Rename to ...
460         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
461         with SSA name values.
462         (vn_reference_lookup_3): Adjust callers.
463
464 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
465
466         PR tree-optimization/53163
467         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
468         return value from compute_all_dependences.
469
470         PR rtl-optimization/53160
471         * ree.c (combine_reaching_defs): Handle the case where cand->insn
472         has been modified by ree pass already.
473
474 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
475
476         Backport from mainline
477         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
478
479         PR middle-end/53136
480         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
481         calls to cgraph_node_name in xstrdup.
482         (ipa_make_edge_direct_to_target): Ditto.
483         * tree-sra.c (convert_callers_for_node): Ditto.
484         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
485         * ipa-cp.c (perhaps_add_new_callers): Ditto.
486         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
487         (cgraph_materialize_all_clones): Ditto.
488         * ipa-inline.c (report_inline_failed_reason): Ditto.
489         (want_early_inline_function_p): Ditto.
490         (edge_badness): Ditto.
491         (update_edge_key): Ditto.
492         (flatten_function): Ditto.
493         (ipa_inline): Ditto.
494         (inline_always_inline_functions): Ditto.
495         (early_inline_small_functions): Ditto.
496
497 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
498
499         Backport from mainline
500         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
501
502         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
503         Introduce emul_name to select the right linker emulation for
504         powerpc64-*-freebsd*.
505         * configure: Regenerate.
506         * config.gcc: Add bits to support powerpc64-*-freebsd*.
507         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
508         * config/rs6000/freebsd64.h: New file.
509         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
510         POWERPC_FREEBSD.
511         (rs6000_savres_strategy): Likewise.
512         (rs6000_savres_routine_name): Likewise.
513         (rs6000_elf_file_end): Likewise.
514         * config/rs6000/t-freebsd64: New file.
515         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
516         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
517
518 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
519
520         Backport from mainline
521         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
522
523         PR target/53138
524         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
525
526 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
527
528         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
529         predicate to discriminate types.
530
531 2012-04-27  Richard Guenther  <rguenther@suse.de>
532
533         PR c/51527
534         * convert.c (convert_to_integer): Avoid infinite recursion for
535         target-defined built-in types.
536
537 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
538
539         PR target/53120
540         * config/cris/cris.md ("*andhi_lowpart_v32")
541         ("*andqi_lowpart_v32"): Change first input-only operand from
542         a (match_operand ...) to (match_dup 0).  Drop alternatives with
543         const_int-matching constraints for redundancy.
544         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
545         three-operand alternative.
546
547 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
548
549         Backport from mainline
550         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
551
552         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
553         (*addsi_2_zext): Ditto.
554         (*add<mode>_3): Ditto.
555         (*addsi_3_zext): Ditto.
556         (*add<mode>_5): Ditto.
557
558 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
559
560         PR c/52880
561         * c-typeck.c (set_nonincremental_init,
562         set_nonincremental_init_from_string): Pass true instead of false
563         as IMPLICIT to add_pending_init.
564
565 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
566
567         Backport from 2012-04-24 mainline r186768.
568
569         PR target/53065
570         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
571
572 2012-04-24  Richard Guenther  <rguenther@suse.de>
573
574         PR tree-optimization/53085
575         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
576         stores.
577
578 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
579
580         PR middle-end/53084
581         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
582         of MEM_REF.
583         (output_addressed_constants): Likewise.
584
585         PR middle-end/52999
586         * varasm.c (get_section): Don't ICE for section conflicts with
587         built-in section kinds.
588
589 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
590
591         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
592
593 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
594
595         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
596
597 2012-04-23  Richard Guenther  <rguenther@suse.de>
598
599         PR c/53060
600         * c-typeck.c (build_binary_op): Fix typo.
601
602 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
603
604         PR tree-optimizations/52891
605         * tree-vect-patterns.c (adjust_bool_pattern): Use
606         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
607         but with non-standard precision.
608
609 2012-04-22  Ian Lance Taylor  <iant@google.com>
610
611         * godump.c (go_output_typedef): Dump size of structs.
612
613 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
614
615         Backport from mainline:
616
617         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
618         hints for 'A' operand types.
619
620 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
621
622         Backport from 2012-04-19 mainline r186588.
623
624         PR target/53033
625         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
626         the case *(X+const).
627
628 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
629
630         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
631
632 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
633
634         PR target/53020
635         * config/i386/sync.md (atomic_<code><mode>): Rename to
636         atomic_<logic><mode>.
637
638 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
639
640         Backport from mainline
641         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
642
643         PR target/52932
644         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
645         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
646         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
647         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
648         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
649         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
650         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
651         gen_avx2_permvarv8sf.
652
653 2012-04-16  Martin Jambor  <mjambor@suse.cz>
654
655         Backported from mainline
656
657         2012-04-13  Martin Jambor  <mjambor@suse.cz>
658         PR middle-end/52939
659
660         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
661         fold_ctor_reference returns a zero constant.
662
663 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
664
665         Backported from mainline
666         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
667
668         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
669         and __ILP32__ for x32.
670
671 2012-04-13  Tom de Vries  <tom@codesourcery.com>
672
673         Backport from mainline r186418.
674
675         2012-04-13  Tom de Vries  <tom@codesourcery.com>
676
677         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
678         parameters vuse and vuse_escaped.
679         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
680         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
681         vuse1 != vuse2.
682
683 2012-04-13  Richard Guenther  <rguenther@suse.de>
684
685         PR tree-optimization/52969
686         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
687         the condition for the COND_EXPR and handle predicate negation
688         by swapping the COND_EXPR arms.
689
690 2012-04-13  Richard Guenther  <rguenther@suse.de>
691
692         PR c/52862
693         * convert.c (convert_to_pointer): Remove special-casing of
694         zero.
695
696 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
697
698         Backport from mainline
699         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
700
701         PR target/52775
702         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
703         the list of options to enable the FCFID instruction.
704         (TARGET_EXTRA_BUILTINS): Adjust comment.
705
706 2012-04-12  Richard Guenther  <rguenther@suse.de>
707
708         PR tree-optimization/52943
709         * tree-chrec.h (chrec_is_positive): Remove.
710         * tree-scalar-evolution.c (chrec_is_positive): Move ...
711         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
712         Return false for a constant zero instead of negative.
713         (analyze_siv_subscript_cst_affine): Handle zero difference
714         in the initial condition explicitely.
715
716 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
717
718         PR middle-end/52894
719         * varasm.c (process_pending_assemble_externals): Set
720         pending_assemble_externals_processed true.
721         (assemble_external): Call assemble_external_real if the pending
722         assemble externals have been processed.
723
724 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
725
726         PR target/52717
727         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
728         the DECL generated for the special GOT helper.
729
730 2012-04-06  Walter Lee  <walt@tilera.com>
731
732         Backport from mainline
733         2012-03-07  Walter Lee  <walt@tilera.com>
734
735         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
736         REG_CFA_* notes for the stack pointer.
737         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
738         EH_RETURN_STACKADJ_RTX.
739         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
740         generate REG_CFA_* notes for the stack pointer.
741         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
742         by EH_RETURN_STACKADJ_RTX.
743
744 2012-04-06  Matt Turner  <mattst88@gmail.com>
745
746         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
747
748 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
749
750         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
751         of the destination isn't also a FP_REGS register.
752
753 2012-04-03  Richard Guenther  <rguenther@suse.de>
754
755         Backport from mainline
756         2012-03-02  Richard Guenther  <rguenther@suse.de>
757
758         PR tree-optimization/52406
759         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
760         (struct indices): Add unconstrained_base member.
761         (struct dr_alias): Remove unused vops member.
762         (DR_UNCONSTRAINED_BASE): New define.
763         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
764         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
765         be an artificial access that covers the whole indexed object,
766         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
767         plain decl base-objects to their MEM_REF variant.
768         (dr_may_alias_p): When the base-object of either data reference
769         has unknown size use only points-to information.
770         (compute_affine_dependence): Make dumps easier to read and
771         more verbose.
772         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
773         DR_REF when looking for packed references.
774         (vect_supportable_dr_alignment): Likewise.
775
776 2012-04-03  Richard Guenther  <rguenther@suse.de>
777
778         Backport from mainline
779         2012-03-15  Richard Guenther  <rguenther@suse.de>
780
781         PR middle-end/52580
782         * tree-data-ref.c (subscript_dependence_tester_1): Check
783         all dimensions for non-conflicting access functions.
784
785 2012-04-03  Richard Guenther  <rguenther@suse.de>
786
787         Backport from mainline
788         2012-03-06  Richard Guenther  <rguenther@suse.de>
789
790         PR middle-end/52493
791         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
792
793         2012-03-23  Richard Guenther  <rguenther@suse.de>
794
795         PR tree-optimization/52678
796         * tree-vectorizer.h (struct _stmt_vec_info): Add
797         loop_phi_evolution_part member.
798         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
799         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
800         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
801         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
802         Use the cached evolution part and the PHI nodes value from
803         the loop preheader edge instead of re-analyzing the evolution.
804
805         2012-03-26  Richard Guenther  <rguenther@suse.de>
806
807         PR tree-optimization/52701
808         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
809         compute and set the evolution part of PHI nodes.
810
811         2012-03-30  Richard Guenther  <rguenther@suse.de>
812
813         PR tree-optimization/52754
814         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
815         propagate arbitrary addresses into really plain dereferences.
816
817 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
818
819         PR tree-optimization/52835
820         * tree-data-ref.c (build_rdg): Return NULL if
821         compute_data_dependences_for_loop failed.
822
823 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
824
825         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
826         (stmt_can_make_abnormal_goto): Use it.
827         (is_ctrl_altering_stmt): Likewise.
828
829 2012-03-31  Martin Jambor  <mjambor@suse.cz>
830
831         Backported from mainline
832         2012-03-30  Martin Jambor  <mjambor@suse.cz>
833
834         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
835         is a builtin_stack_save in a dominating BB.
836
837 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
838
839         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
840         crossing 128bit lane boundary.
841
842 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
843
844         Backported from mainline
845         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
846
847         PR target/52698
848         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
849         New prototype.
850         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
851         * config/i386/i386.c: Include reload.h.
852         (ix86_legitimize_reload_address): New function.
853
854 2012-03-28  Martin Jambor  <mjambor@suse.cz>
855
856         Backported from mainline
857         2012-03-27  Martin Jambor  <mjambor@suse.cz>
858
859         PR middle-end/52693
860         * tree-sra.c (sra_modify_assign): Do not call
861         load_assign_lhs_subreplacements when working with an unscalarizable
862         region.
863
864 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
865
866         PR middle-end/52691
867         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
868         __builtin_va_start to __builtin_next_arg if the latter is
869         builtin_decl_explicit_p rather than when it is not.
870
871         PR middle-end/52750
872         * tree-vect-generic.c (vector_element): Perform multiplication
873         for pos in bitsizetype type instead of idx type.
874
875 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
876
877         Backport from 2012-03-28 mainline r185910.
878
879         PR target/52692
880         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
881         (avr_builtin_decl): New static function.
882         (struct avr_builtin_description, avr_bdesc): Move up.
883         Add GTY marker. Add field fndecl. Remove redundant field id.
884         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
885         (avr_expand_builtin): Code cleanup because .id is removed.
886
887 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
888
889         PR middle-end/51893
890         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
891         targets.
892
893 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
894
895         Backport from 2012-03-28 mainline r185907.
896
897         PR target/52737
898         * config.gcc (tm_file): Remove avr/multilib.h.
899
900         * doc/invoke.texi (AVR Options): Adjust
901         documentation of -mtiny-stack.
902
903         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
904         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
905         * config/avr/t-avr: Remove generation of multilib.h.
906         * config/avr/t-multilib: Regenerate.
907         * config/avr/multilib.h: Remove.
908         * config/avr/avr.opt (-msp8): New option.
909         (avr_sp8): New variable.
910         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
911         * config/avr/avr.h (AVR_HAVE_SPH): New define.
912         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
913         (avr_device_to_sp8): New prototype.
914         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
915         (DRIVER_SELF_SPECS): New define.
916         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
917         __AVR_SP8__, __AVR_HAVE_SPH__.
918         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
919         AVR_HAVE_8BIT_SP to decide if SP_H is present.
920         (avr_file_start): Ditto.
921
922 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
923
924         PR target/52736
925         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
926         instead of 8 in adjust_address.
927
928 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
929
930         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
931         of a unit before computing the offset in units.
932
933 2012-03-27  Richard Guenther  <rguenther@suse.de>
934
935         PR middle-end/52720
936         * fold-const.c (try_move_mult_to_index): Handle &x.array more
937         explicitely.
938
939 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
940
941         PR target/52610
942         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
943
944 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
945
946         PR middle-end/52640
947         * varasm.c: Include pointer-set.h.
948         (pending_assemble_externals_set): New pointer set.
949         (process_pending_assemble_externals): Destroy the pointer set.
950         (assemble_external): See if decl is in pending_assemble_externals_set,
951         and add it to pending_assemble_externals if necessary.
952         (init_varasm_once): Allocate pending_assemble_externals_set.
953
954 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
955
956         Backported from mainline
957         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
958
959         PR target/50310
960         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
961         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
962         (vector_ltgt<mode>): Likewise.
963         (vector_ordered<mode>): Likewise.
964         (vector_unordered<mode>): Likewise.
965         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
966
967 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
968
969         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
970         Make static.
971
972 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
973
974         Backported from mainline
975         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
976
977         PR target/48596
978         PR target/48806
979         * config/sh/sh.c (sh_register_move_cost): Increase cost between
980         GENERAL_REGS and FP_REGS for SImode.
981
982 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
983
984         PR middle-end/52547
985         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
986         on any new_local_var_chain vars declared during recursing on
987         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
988
989 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
990
991         Backport from 2012-03-22 mainline r185692.
992
993         PR target/52496
994         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
995         (unspecv): Add UNSPECV_MEMORY_BARRIER.
996         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
997         (delay_cycles_1, delay_cycles_2): Ditto.
998         (delay_cycles_3, delay_cycles_4): Ditto.
999         (nopv, *nopv): Ditto.
1000         (sleep, *sleep): Ditto.
1001         (wdr, *wdr): Ditto.
1002
1003         Backport from 2012-03-21 mainline r185605.
1004
1005         PR rtl-optimization/52543
1006         PR target/52461
1007         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1008         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1009         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1010         (avr_load_libgcc_p): Restrict to __flash loads.
1011         (avr_out_lpm): Only handle 1-byte loads from __flash.
1012         (avr_load_lpm): New function.
1013         (avr_find_unused_d_reg): Remove.
1014         (avr_out_lpm_no_lpmx): Remove.
1015         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1016         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1017         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1018         (load_<mode>, load_<mode>_clobber): New insns.
1019         (mov<mode>): For multi-byte move from non-generic
1020         16-bit address spaces: Expand to load_<mode> resp.
1021         load_<mode>_clobber.
1022         (load<mode>_libgcc): Remove expander.
1023         (split-lpmx): Remove split.
1024
1025         Backport from 2012-03-13 mainline r185329.
1026
1027         PR target/52488
1028         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1029         offset (size) to a value the insns can deal with.
1030         (expand_epilogue): Ditto.
1031
1032         Backport from 2012-03-12 mainline r185256.
1033
1034         PR target/52499
1035         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1036         type from reg_class_t to enum reg_class.
1037         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1038
1039         Backport from 2012-03-12 mainline r185253.
1040
1041         PR target/52148
1042         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1043         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1044         r184615 from 2012-02-28.
1045
1046         Backport from 2012-03-08 mainline r185105.
1047
1048         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1049         for constants in [-63,63].
1050
1051         Backport from 2012-03-08 mainline r185100.
1052
1053         PR target/52496
1054         * config/avr/avr.c (avr_mem_clobber): New static function.
1055         (avr_expand_delay_cycles): Add memory clobber operand to
1056         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1057         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1058         (enable_interrupt, disable_interrupt): New expander.
1059         (nopv, sleep, wdr): New expanders.
1060         (delay_cycles_1): Add memory clobber.
1061         (delay_cycles_2): Add memory clobber.
1062         (delay_cycles_3): Add memory clobber.
1063         (delay_cycles_4): Add memory clobber.
1064         (cli_sei): New insn from former "enable_interrupt",
1065         "disable_interrupt" with memory clobber.
1066         (*wdt): New insn from former "wdt" with memory clobber.
1067         (*nopv): Similar, but for "nopv".
1068         (*sleep): Similar, but for "sleep".
1069
1070         Backport from 2012-03-07 mainline r185043.
1071
1072         PR target/52484
1073         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1074
1075         Backport from 2012-03-07 mainline r185032.
1076
1077         PR target/52506
1078         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1079         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1080         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1081
1082         Backport from 2012-03-07 mainline r185031.
1083
1084         PR target/52505
1085         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1086         from RAM.
1087         * config/avr/avr.md (xload_8): Adjust insn length.
1088
1089         Backport from 2012-03-07 mainline r185030.
1090
1091         PR target/52461
1092         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1093         if RAMPZ affects reading from RAM.
1094
1095         Backport from 2012-03-05 mainline r184919.
1096
1097         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1098
1099 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1100
1101         Backport from mainline r185259.
1102
1103         PR other/52545
1104         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1105         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1106
1107 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1108
1109         Backported from mainline
1110         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1111
1112         PR c/52577
1113         * c-parser.c (c_parser_postfix_expression)
1114         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1115
1116         * config/i386/smmintrin.h: Avoid /* within a comment.
1117         * config/i386/nmmintrin.h: Likewise.
1118
1119 2012-03-22  Richard Guenther  <rguenther@suse.de>
1120
1121         * BASE-VER: Set to 4.7.1.
1122         * DEV-PHASE: Set to prerelease.
1123
1124 2012-03-22  Release Manager
1125
1126         * GCC 4.7.0 released.
1127
1128 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1129
1130         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1131
1132 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1133             Andrew Pinski  <apinski@cavium.com>
1134
1135         PR middle-end/52592
1136         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1137         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1138         calls instead of __builtin_ir{int,ound}*.
1139
1140 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1141
1142         PR c++/52582
1143         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1144         if c_node is NULL.
1145
1146 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1147
1148         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1149         Refer to GCC 4.7 version of c99status.html.
1150
1151 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1152
1153         Backport from mainline
1154         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1155
1156         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1157         redefine to be NULL if the current bit-size is different from the
1158         configured bit-size.
1159
1160         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1161         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1162         set the default tuning.  Add asserts to make sure the cpu and tune
1163         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1164         test whether the index is set, instead of > 0.
1165         (rs6000_file_start): Do not reset the default cpu if the current
1166         bit-size is different from the configured bit-size.
1167
1168 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1169
1170         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1171         binutils reference.
1172         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1173         Update binutils references.
1174         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1175         Update binutils reference.
1176         Update Sun as/GNU ld caveat.
1177         Document binutils largefile requirement for LTO plugin.
1178         Remove reference to alternate libpthread.
1179
1180 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1181
1182         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1183         reference.
1184         (Specific, mips-sgi-irix6): Likewise.
1185
1186 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1187
1188         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1189         * configure: Regenerate.
1190
1191 2012-03-07  Richard Henderson  <rth@redhat.com>
1192
1193         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1194         * config/m68k/sync.md (atomic_test_and_set): Use it.
1195         (atomic_test_and_set_1): Likewise.
1196
1197 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1198
1199         PR target/51417
1200         * Makefile.in: Let install-gcc-ar depend on installdirs,
1201         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1202         Don't double canonicalize if cross-compiling.
1203
1204 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1205
1206         * trans-mem.c: New typedef for tm_region_p.
1207         Define vector types for tm_region_p.
1208         (tm_region_init): Replace region_worklist to a vector called
1209         bb_regions.
1210
1211 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1212
1213         PR middle-end/52463
1214         * trans-mem.c (tm_region_init): Use last_basic_block.
1215
1216 2012-03-05  Richard Henderson  <rth@redhat.com>
1217
1218         PR tree-opt/52242
1219         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1220         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1221         BIGGEST_ALIGNMENT is aligned.
1222
1223 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1224
1225         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1226
1227 2012-03-05  Richard Henderson  <rth@redhat.com>
1228
1229         PR target/52481
1230         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1231         instead of calling negqi2 directly.
1232
1233 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1234
1235         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1236         (INTMAX_TYPE): Use it.
1237         (UINTMAX_TYPE): Likewise.
1238         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1239         (irix6_c_common_override_options): Declare.
1240         (C_COMMON_OVERRIDE_OPTIONS): Define.
1241         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1242         * config/mips/irix6-c.c: New file.
1243         * config/mips/t-irix6 (irix6-c.o): New target.
1244         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1245         cxx_target_objs.
1246
1247 2012-03-02  Richard Henderson  <rth@redhat.com>
1248
1249         * optabs.c (expand_atomic_test_and_set): Honor
1250         atomic_test_and_set_trueval even when atomic_test_and_set
1251         optab is not in use.
1252
1253 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1254
1255         Backport from mainline
1256         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1257
1258         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1259
1260 2012-03-02  Richard Guenther  <rguenther@suse.de>
1261
1262         * DEV-PHASE: Set to prerelease.
1263
1264 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1265
1266         * config.gcc (obsolete): Add all ARM targets using the FPA.
1267         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1268         * doc/install.texi: Avoid references to obsolete ARM ports.
1269
1270 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1271
1272         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1273
1274 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1275             Joern Rennecke  <joern.rennecke@embecosm.com>
1276
1277         * doc/extend.texi: Expand and update information on interrupt
1278         attribute for Epiphany.
1279
1280 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1281
1282         * config/sh/sh-protos.h: Update copyright notice dates.
1283         * config/sh/sh.h: Likewise.
1284         * config/sh/sh.md: Likewise.
1285         * config/sh/constraints.md: Likewise.
1286         * config/sh/predicates.md: Likewise.
1287
1288 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1289
1290         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1291         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1292
1293 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1294
1295         * config/sh/constraints.md: Fix comment typo.
1296
1297 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1298
1299         PR target/52408
1300         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1301         unsigned HOST_WIDE_INT.
1302         (zvdep_imm64): Likewise.
1303         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1304         (vdepi_and): Likewise.
1305         Likewise for unamed 64-bit patterns.
1306         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1307
1308 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1309
1310         PR debug/52001
1311         PR rtl-optimization/52417
1312         * cselib.c (cselib_any_perm_equivs): New variable.
1313         (cselib_reset_table): Check that it's not set when not
1314         preserving constants.
1315         (cselib_add_permanent_equiv): Set it.
1316         (cselib_have_permanent_equivalences): New.
1317         (cselib_init, cselib_finish): Reset it.
1318         * cselib.h (cselib_have_permanent_equivalences): Declare.
1319         * alias.c (get_addr): Restore earlier behavior when there
1320         aren't permanent equivalences.
1321
1322 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1323
1324         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1325         * config/v850/v850-modes.def: Fix copyright notice.
1326
1327 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1328
1329         * doc/extend.texi (AVR Built-in Functions): Document
1330         __builtin_avr_flash_segment.
1331
1332         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1333         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1334         (*split.flash_segment): New insn-and-split.
1335         * config/avr/avr.c (avr_init_builtins): Add local variables:
1336         const_memx_void_node, const_memx_ptr_type_node,
1337         char_ftype_const_memx_ptr.
1338
1339 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1340
1341         PR tree-optimization/52445
1342         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1343         add ssa_name_ver, offset and size fields and change store field
1344         to bool.
1345         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1346         (add_or_mark_expr): Likewise.  Only consider previous stores
1347         with the same size and offset.
1348         (nt_init_block): Only look at gimple_assign_single_p stmts,
1349         doesn't look at rhs2.
1350
1351 2012-03-01  Richard Guenther  <rguenther@suse.de>
1352
1353         PR middle-end/52443
1354         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1355         conversions from integral types to pointer types.
1356
1357 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1358
1359         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1360         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1361         unintentionally removed in r184616.
1362
1363 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1364
1365         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1366         3DNow from bdver1.
1367
1368 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1369             Uros Bizjak  <ubizjak@gmail.com>
1370
1371         PR target/52437
1372         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1373         alternatives, add "e" constraint to the new last alternative
1374         and ! to last 3 alternatives.
1375
1376 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1377
1378         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1379         DW_AT_artificial attributes at the end of the processing.
1380         (gen_array_type_die): Likewise.
1381         (gen_enumeration_type_die): Likewise.
1382         (gen_struct_or_union_type_die): Likewise.
1383         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1384         the parent type.
1385
1386 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1387
1388         PR middle-end/52419
1389         * expr.c (expand_assignment): If doing misaligned store that doesn't
1390         cover all mode bits, perform a RMW cycle.
1391
1392         PR tree-optimization/52429
1393         * tree-parloops.c (separate_decls_in_region_debug): Return early
1394         if var is LABEL_DECL.
1395
1396 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1397
1398         PR tree-optimization/52424
1399         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1400         calling dom_thread_across_edge.
1401
1402 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1403
1404         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1405
1406 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1407
1408         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1409         * config/avr/avr.c (avr_output_bld): Remove unused function.
1410         (avr_out_sbxx_branch): Use "%T" to print bit position.
1411
1412 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1413
1414         * config/avr/avr.md: Untabify.
1415
1416 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1417
1418         * config/avr/avr.md (eqne): New code iterator.
1419         (*dec-and-branchsi): Use it in text peephole's condition.
1420         (*dec-and-branchhi): Ditto.
1421         (*dec-and-branchqi): Ditto.
1422
1423 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1424
1425         PR target/49939
1426         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1427         the device does not have the skip-bug.
1428
1429 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1430
1431         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1432         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1433         -mpretend-cmove): New.
1434
1435 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR bootstrap/52397
1438         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1439         doesn't count DEBUG_INSN refs.
1440         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1441         for DEBUG_INSN refs.
1442
1443 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1444
1445         Partially revert:
1446
1447         2012-02-20  Richard Guenther  <rguenther@suse.de>
1448         PR tree-optimization/52298
1449         * tree-vect-stmts.c (vectorizable_load): Properly use
1450         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1451         outer loops.
1452
1453 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1454
1455         PR middle-end/51752
1456         * gimple.h (gimple_in_transaction): New.
1457         (gimple_set_in_transaction): New.
1458         (struct gimple_statement_base): Add in_transaction field.
1459         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1460         transaction loads.
1461         (tree_ssa_lim_initialize): Compute transaction bits.
1462         * tree.h (compute_transaction_bits): Protoize.
1463         * trans-mem.c (tm_region_init): Use the heap to store BB
1464         auxilliary data.
1465         (compute_transaction_bits): New.
1466
1467 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1468
1469         * gcc.c (display_help): Document --help=common and sort entries
1470         alphabetically.
1471
1472 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1473
1474         * doc/install.texi: Document check-$LANG specific shortcuts
1475
1476 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1477
1478         PR target/51534
1479         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1480         and vcgtu.
1481         * config/arm/arm_neon.h: Regenerate.
1482         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1483         (neon_vcgeu): New insn.
1484         (neon_vcgtu): Likewise.
1485         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1486         (ops): Unsigned comparison intrinsics call a different
1487         builtin.
1488
1489 2012-02-28  Richard Guenther  <rguenther@suse.de>
1490
1491         PR target/52407
1492         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1493         ordering for the VEC_CONCAT for two element vectors for
1494         V2SFmode, V2SImode and V2DImode.
1495
1496 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1497
1498         PR target/49448
1499         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1500         detecting big-endian triplets.
1501
1502 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1503
1504         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1505         mode if there is no type information available.
1506
1507 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1508
1509         PR tree-optimization/53207
1510         * doc/invoke.texi: Document as experimental and relying on graphite.
1511
1512 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1513
1514         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1515         of initializer to changes from r184614.
1516
1517 2012-02-28  Richard Guenther  <rguenther@suse.de>
1518
1519         PR tree-optimization/52395
1520         * tree-sra.c (build_ref_for_offset): Also look at the base
1521         TYPE_ALIGN when figuring out the alignment of the replacement.
1522
1523 2012-02-28  Richard Guenther  <rguenther@suse.de>
1524
1525         PR tree-optimization/52402
1526         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1527         mis-aligned types when creating the accesses at the call site.
1528
1529 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1530
1531         * config/avr/builtins.def: New file.
1532         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1533         * config/avr/avr.c (enum avr_builtin_id): Use it.
1534         (avr_init_builtins): Use it. And use avr_bdesc.
1535         (bdesc_1arg): Remove.
1536         (bdesc_2arg): Remove.
1537         (bdesc_3arg): Remove.
1538         (struct avr_builtin_description): Add field n_args.
1539         (avr_bdesc): New static variable using builtins.def.
1540         (avr_expand_builtin): Use it.
1541         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1542         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1543         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1544
1545 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1546
1547         PR target/52148
1548         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1549         match only one single hard register with respective hard reg rtx.
1550         (movmemx_<mode>): Ditto.
1551         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1552         insn anatomy of movmem[x]_<mode>.
1553         (avr_out_movmem): Same for printing assembler and operand usage.
1554
1555 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1556
1557         PR target/49868
1558         PR target/52261
1559         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1560         address spaces located outside of device flash.
1561
1562         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1563         (mcu_type_s): Add field n_flash.
1564         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1565         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1566         (AVR_MCU): Add N_FLASH argument.
1567         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1568         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1569         macro __FLASH<n> if that address space makes sense for the device.
1570         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1571         outside of target flash.
1572         (avr_asm_named_section): Ditto.
1573         (avr_asm_select_section): Ditto.
1574         (avr_addr_space_convert): Ditto.
1575         (avr_emit_movmemhi): Ditto.
1576         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1577         address space is outside of device flash.
1578         (avr_insert_attributes): Ditto.
1579         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1580         avr_current_arch->n_segments.
1581
1582 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1583
1584         PR target/52352
1585         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1586         TARGET_LP64.
1587         (*movabs<mode>_2): Likewise.
1588
1589 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1590
1591         PR target/52375
1592         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1593         s_register_operand in the test instead of REG_P.  Don't call
1594         gen_reg_rtx if it won't be used.
1595
1596         PR tree-optimization/52376
1597         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1598
1599 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1600
1601         * ifcvt.c (noce_get_condition): Check condition variable is not
1602         small_register_classes_for_mode_p before accepting.
1603
1604 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1605
1606         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1607
1608 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1609
1610         Revert:
1611         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1612         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1613         tuning parameters.
1614         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1615
1616 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1617
1618         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1619
1620 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1621
1622         * config/sh/predicates.md: Remove blank lines.
1623         * config/sh/sh.c: Fix typos in comments.
1624         * config/sh/constraints.md: Likewise.
1625         * config/sh/sh.md: Remove blank lines.
1626         Fix typos in comments.  Use ;; as comment characters.
1627
1628 2012-02-26  Walter Lee  <walt@tilera.com>
1629
1630         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1631         (replace_mov_pcrel_step2): Ditto.
1632
1633 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1634
1635         PR debug/52001
1636         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1637         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1638         and locs that reference values newer than the non-canonical value
1639         at hand.  Return the canonical value as a worst case.
1640         (memrefs_conflict_p): Walk canonical value's locs.
1641
1642         PR debug/52001
1643         * cselib.c (preserve_only_constants): Rename to...
1644         (preserve_constants_and_equivs): ... this.  Split out...
1645         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1646         of other preserved expressions too.
1647         (cselib_reset_table): Adjust.
1648         * var-tracking.c (reverse_op): Use canonical value to build
1649         reverse operation.
1650
1651 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1652
1653         * config/i386/i386.c (ix86_delegitimize_address): Handle
1654         UNSPEC_PCREL plus displacement.
1655
1656 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1657
1658         PR target/52261
1659         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1660         to test for unusedness in st X addressing.
1661
1662 2012-02-24  Richard Guenther  <rguenther@suse.de>
1663
1664         PR middle-end/52361
1665         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1666         (is_gimple_reg_type): Move inline ...
1667         * gimple.h (is_gimple_reg_type): ... here.
1668
1669 2012-02-24  Richard Guenther  <rguenther@suse.de>
1670
1671         PR middle-end/52361
1672         * passes.c (execute_function_todo): When verifying SSA form
1673         verify gimple form first.
1674         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1675
1676 2012-02-24  Richard Guenther  <rguenther@suse.de>
1677
1678         PR middle-end/52355
1679         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1680         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1681
1682 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1683
1684         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1685
1686 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1687
1688         * tree-phinodes.c (make_phi_node): Mark static.
1689         * tree-flow.h (make_phi_node): Remove extern decl.
1690         * doc/gimple.texi (make_phi_node): Remove documentation.
1691
1692 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1693
1694         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1695         * tree-ssa-sccvn.c (print_scc): Ditto.
1696
1697 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1698
1699         * doc/passes.texi (Full redundancy elimination): Fix typo.
1700
1701 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1702
1703         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1704
1705 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1706
1707         PR bootstrap/52287
1708         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1709
1710 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1711
1712         PR c/52290
1713         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1714
1715 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1716
1717         * config/avr/avr.md (code_stdname): Add ior, xor.
1718         (xior): New code iterator.
1719         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1720         (*<code_stdname><mode>qi.byte1-3): Ditto.
1721
1722 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1723
1724         PR tree-optimization/52019
1725         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1726         CLOBBER stmts.
1727
1728 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1729
1730         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1731         HAVE_INITFINI_ARRAY to work around namespace pollution in
1732         certain versions of newlib system headers.
1733         * config.in: Regenerate.
1734         * configure: Regenerate.
1735         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1736         instead of HAVE_INITFINI_ARRAY.
1737
1738 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1739
1740         PR target/52330
1741         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1742         is not offsettable memory reference.
1743
1744 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1745
1746         PR target/18145
1747         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1748         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1749
1750 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1751
1752         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1753         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1754
1755 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1756
1757         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1758         library on Solaris 8 even without TLS support.
1759         * configure: Regenerate.
1760
1761 2012-02-22  Richard Guenther  <rguenther@suse.de>
1762
1763         PR middle-end/52329
1764         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1765         for GIMPLE_DEBUG stmts.
1766
1767 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1768
1769         PR middle-end/51782
1770         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1771         according to the base object.
1772
1773 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1774
1775         PR rtl-optimization/50063
1776         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1777         and 2 (8-bit SP) in operand 2.
1778         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1779         setup to use movhi_sp_r instead of vanilla move to write SP.
1780         Adjust REG_CFA notes to superseed unspec.
1781         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1782         of vanilla move.
1783         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1784         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1785         irq_state 1 (IRQ known to be on) here.
1786
1787 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1788
1789         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1790         WORDS_BIG_ENDIAN.
1791         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1792         assign_hard_reg): Likewise.
1793
1794 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1795
1796         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1797
1798 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1799
1800         * config/avr/avr.md
1801         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1802         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1803
1804 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1805
1806         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1807         prototype from here to...
1808         * config/avr/avr.h: ...here.
1809
1810 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1811
1812         PR target/52294
1813         * thumb2.md (thumb2_shiftsi3_short): Split register and
1814         immediate shifts.  For register shifts tie operands 0 and 1.
1815         (peephole2 for above): Check that register-controlled shifts
1816         have suitably tied operands.
1817
1818 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1819
1820         PR target/52137
1821         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1822         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1823         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1824         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1825         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1826         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1827         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1828         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1829         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1830         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1831         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1832         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1833         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1834         bdver1_ssevector_avx256_unaligned_load,
1835         bdver1_ssevector_sse128_unaligned_load,
1836         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1837         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1838         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1839         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1840         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1841         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1842         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1843         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1844         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1845         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1846         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1847         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1848         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1849         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1850         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1851         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1852         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1853         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1854         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1855         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1856         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1857         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1858         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1859         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1860         bdver1_ssediv_double_load, bdver1_ssediv_double,
1861         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1862         Add "bdver2" attribute.
1863
1864 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1865
1866         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1867         default if possible and not specified otherwise.
1868
1869 2012-02-21  Richard Guenther  <rguenther@suse.de>
1870
1871         PR middle-end/52314
1872         * gimplify.c (create_tmp_from_val): Use the main variant type
1873         for the type of the temporary we create.
1874
1875 2012-02-21  Richard Guenther  <rguenther@suse.de>
1876
1877         PR tree-optimization/52324
1878         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1879         do not gimplify a MEM_REF address operand if it is already
1880         in suitable form.
1881
1882 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1883
1884         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1885         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1886
1887 2012-02-21  Richard Guenther  <rguenther@suse.de>
1888
1889         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1890         nested_in_vect_loop.
1891
1892 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1893
1894         PR tree-optimization/52318
1895         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1896         vdef also to non-pure/const call stmts in the sequence.
1897
1898 2012-02-20  David S. Miller  <davem@davemloft.net>
1899
1900         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1901         don't use the "rd %pc" instruction on v9 for PIC register loads.
1902
1903 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1904
1905         PR middle-end/52141
1906         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1907         in a transaction safe function.
1908
1909 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1910
1911         PR target/52238
1912         * stor-layout.c (place_field): Handle desired_align for
1913         ms-bitfields, too.
1914
1915 2012-02-20  Richard Guenther  <rguenther@suse.de>
1916
1917         PR tree-optimization/52298
1918         * tree-vect-stmts.c (vectorizable_store): Properly use
1919         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1920         outer loops.
1921         (vectorizable_load): Likewise.
1922         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1923         Access DR_STEP after ensuring it is not NULL.
1924
1925 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1926
1927         PR tree-optimization/52286
1928         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1929         optimization use double_int_to_tree instead of build_int_cst_wide,
1930         rewrite to use double_int vars.
1931
1932 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1933
1934         PR target/50166
1935         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1936         Define _start.
1937         Remove -e 0 from $gcc_cv_ld invocation.
1938         Only use __GLIBC_PREREQ if defined.
1939         Enable on Solaris since Solaris 8 patch.
1940         (gcc_SUN_LD_VERSION): New macro.
1941         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1942         gcc_SUN_LD_VERSION for version number format.
1943         * configure: Regenerate.
1944         * varasm.c (get_elf_initfini_array_priority_section): Set
1945         SECTION_NOTYPE for non-default priority.
1946         Use get_section instead of get_unnamed_section to emit
1947         .init_array/.fini_array with default priority.
1948
1949 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1950
1951         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1952         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1953         (mips_start_unique_function, mips_output_mips16_rdhwr)
1954         (mips_code_end): New functions.
1955         (TARGET_ASM_CODE_END): Define.
1956
1957 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1958
1959         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1960         to stubs with non-sibling calls.
1961
1962 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1963
1964         * doc/invoke.texi (-fira-* options): Copy-edit.
1965         (ira-* parameters): Copy-edit.
1966
1967 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1968
1969         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1970         GCC coding conventions.
1971
1972 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1973
1974         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1975         when used as adjectives.
1976
1977 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1978
1979         * doc/invoke.texi: Clean up "that"/"which" confusion.
1980
1981 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1982
1983         * system.h: Poison SMALL_REGISTER_CLASSES
1984         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1985         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1986
1987 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1988
1989         PR tree-optimization/52285
1990         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1991         when deciding if a call is a tail call or tail recursion.
1992
1993 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1994
1995         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1996         interger-constant displacement for UNSPEC_PCREL.
1997
1998 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1999
2000         PR rtl-optimization/52208
2001         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2002         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2003
2004         PR tree-optimization/52255
2005         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2006         loop->header has virtual PHI, but exit_e->dest doesn't, add
2007         virtual PHI to exit_e->dest and adjust all uses after the loop.
2008
2009         PR debug/52260
2010         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2011         children with clone_tree_hash, not after it.
2012
2013 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2014
2015         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2016         extended identifiers.
2017
2018 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2019
2020         PR middle-end/51929
2021         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2022         a same_body_alias, also test whether e->callee isn't a former
2023         or current clone of the decl this is a same body alias of.
2024
2025         PR translation/52264
2026         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2027
2028 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2029
2030         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2031
2032 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2033
2034         PR target/52199
2035         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2036         force_reg instead of copy_to_reg for better optimization.  Force
2037         non-register or memory operands into a register.
2038
2039 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2040
2041         * extend.texi: Reserve upper bits of memory model for future use.
2042
2043 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2044             Anatoly Sokolov <aesok@post.ru>
2045             Eric Weddington <eric.weddington@atmel.com>
2046
2047         PR target/52261
2048         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2049         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2050         Rewrite initializers for .macro.
2051         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2052         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2053         atxmega32d4, atxmega32x1.
2054         avrxmega4: atxmega64a3, atxmega64d3.
2055         avrxmega5: atxmega64a1, atxmega64a1u.
2056         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2057         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2058         avrxmega7: atxmega128a1, atxmega128a1u.
2059         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2060         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2061         (struct base_arch_s): Rename reserved to xmega_p.
2062         Rename reserved2 to have_rampd.
2063         (AVR_XMEGA): New define.
2064         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2065         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2066         * config/avr/predicates.md (io_address_operand): Take into
2067         account SFR offset.
2068         (low_io_address_operand): Ditto.
2069         (high_io_address_operand): Ditto.
2070         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2071         (enabled, movhi_sp_r): Use them.
2072         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2073         cpp_define_formatted to built-in define __AVR_ARCH__.
2074         (__AVR_XMEGA__): New built-in define.
2075         (__AVR_HAVE_RAMPD__): New built-in define.
2076         (__AVR_HAVE_RAMPX__): New built-in define.
2077         (__AVR_HAVE_RAMPY__): New built-in define.
2078         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2079
2080         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2081         (avr_option_override): Initialize them.
2082         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2083         (avr_init_expanders): Initialize them. No more block several calls.
2084         (emit_push_sfr): New static function.
2085         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2086         Handle AVR_XMEGA.
2087         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2088         (avr_print_operand): Print addreeses as symbols for
2089         RAMPX, RAMPY, RAMPD, CCP.
2090         (output_movhi): Handle AVR_XMEGA when writing to SP.
2091         (avr_out_movhi_mr_r_xmega): New static function.
2092         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2093         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2094         __RAMPD__,  __CCP__ as needed.
2095
2096         * config/avr/multilib.h: Regenerate.
2097         * config/avr/t-multilib: Regenerate.
2098         * config/avr/avr-tables.opt: Regenerate.
2099
2100 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2101
2102         PR tree-optimization/50561
2103         * graphite-flattening.c (lst_project_loop): Do not
2104         remove old scattering dimensions after flattening.
2105         (lst_do_flatten): Likewise.
2106
2107 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2108
2109         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2110         __builtin_avr_map8, __builtin_avr_map16.
2111         Document __builtin_avr_insert_bits.
2112
2113         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2114         (insert_bits): New insn.
2115         (adjust_len.map_bits): Rename to insert_bits.
2116         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2117         * avr-protos.h (avr_out_map_bits): Remove.
2118         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2119         * config/avr/constraints.md (Cxf,C0f): New.
2120         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2121         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2122         New built-in define __BUILTIN_AVR_INSERT_BITS.
2123         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2124         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2125         (avr_move_bits): Rewrite.
2126         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2127         functions.
2128         (avr_map_op_t): New typedef.
2129         (avr_map_op): New static variable.
2130         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2131         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2132         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2133         (bdesc_3arg, avr_expand_triop_builtin): New.
2134         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2135         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2136         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2137         (avr_map_equal_p, avr_map_sig_p): Remove.
2138         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2139         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2140         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2141         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2142         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2143         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2144
2145 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2146
2147         * config/c6x/c6x.md (reserve_cycles): New attribute.
2148         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2149         don't reserve functional units after the branch occurs.
2150
2151 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2152
2153         PR middle-end/52142
2154         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2155         functions into non-tm_pure functions.
2156
2157 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2158
2159         PR lto/52178
2160         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2161         (iterative_hash_canonical_type): Likewise.
2162         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2163         the dead edges.
2164
2165 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2166
2167         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2168         sched-group insn, it either remains alone or the entire list is pruned.
2169
2170 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2171
2172         * doc/install.texi (Prerequisites): Fix grammar.
2173         (Configuration): Likewise.
2174
2175 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2176
2177         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2178         MPC as part of GCC before describing configuring with --with-gmp etc.
2179         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2180         sources are present.
2181
2182 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2183
2184         PR debug/51950
2185         * dwarf2out.c (clone_tree_hash): New function.
2186         (copy_decls_walk): Use it instead of clone_tree.
2187
2188 2012-02-14  Richard Guenther  <rguenther@suse.de>
2189
2190         PR tree-optimization/52244
2191         PR tree-optimization/51528
2192         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2193         replacements for integral types.
2194
2195 2012-02-14  Walter Lee  <walt@tilera.com>
2196
2197         * config.gcc: Handle tilegx and tilepro.
2198         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2199         tilegx and tilepro.
2200         Add HAVE_AS_TLS check for tilegx and tilepro.
2201         * configure: Regenerate.
2202         * doc/contrib.texi: Add Mat Hostetter and self.
2203         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2204         Document instruction intrinsics and network accessing intrinsics.
2205         (TILEPro Built-in Functions): New node.  Document instruction
2206         intrinsics and network accessing intrinsics.
2207         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2208         (Specific, tilepro-*-linux*): Likewise.
2209         * doc/invoke.texi (TILE-Gx Options): New section.
2210         (TILEPro Options): New section.
2211         * doc/md.texi (TILE-Gx): New section.
2212         (TILEPro): New section.
2213         * common/config/tilegx/tilegx-common.c: New file.
2214         * common/config/tilepro/tilepro-common.c: New file.
2215         * config/tilegx/constraints.md: New file.
2216         * config/tilegx/linux.h: New file.
2217         * config/tilegx/mul-tables.c: New file.
2218         * config/tilegx/predicates.md: New file.
2219         * config/tilegx/sync.md: New file.
2220         * config/tilegx/t-tilegx: New file.
2221         * config/tilegx/tilegx-builtins.h: New file.
2222         * config/tilegx/tilegx-c.c: New file.
2223         * config/tilegx/tilegx-generic.md: New file.
2224         * config/tilegx/tilegx-modes.def: New file.
2225         * config/tilegx/tilegx-multiply.h: New file.
2226         * config/tilegx/tilegx-protos.h: New file.
2227         * config/tilegx/tilegx.c: New file.
2228         * config/tilegx/tilegx.h: New file.
2229         * config/tilegx/tilegx.md: New file.
2230         * config/tilegx/tilegx.opt: New file.
2231         * config/tilepro/constraints.md: New file.
2232         * config/tilepro/gen-mul-tables.cc: New file.
2233         * config/tilepro/linux.h: New file.
2234         * config/tilepro/mul-tables.c: New file.
2235         * config/tilepro/predicates.md: New file.
2236         * config/tilepro/t-tilepro: New file.
2237         * config/tilepro/tilepro-builtins.h: New file.
2238         * config/tilepro/tilepro-c.c: New file.
2239         * config/tilepro/tilepro-generic.md: New file.
2240         * config/tilepro/tilepro-modes.def: New file.
2241         * config/tilepro/tilepro-multiply.h: New file.
2242         * config/tilepro/tilepro-protos.h: New file.
2243         * config/tilepro/tilepro.c: New file.
2244         * config/tilepro/tilepro.h: New file.
2245         * config/tilepro/tilepro.md: New file.
2246         * config/tilepro/tilepro.opt: New file.
2247
2248 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2249
2250         PR tree-optimization/52210
2251         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2252         vect_model_simple_cost with two entry vect_def_type array instead
2253         of an address of dt.
2254
2255 2012-02-14  Richard Guenther  <rguenther@suse.de>
2256
2257         PR lto/52178
2258         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2259         Do not stream DECL_QUALIFIER.
2260         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2261         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2262         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2263
2264 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2265
2266         PR c/52181
2267         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2268         newdecl.
2269
2270 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR bootstrap/52172
2273         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2274         * cselib.c (cselib_subst_to_values_from_insn): New function.
2275         * sched-deps.c (add_insn_mem_dependence,
2276         sched_analyze_1, sched_analyze_2): Use it.
2277
2278 2012-02-13  Jan Hubicka  <jh@suse.cz>
2279
2280         PR middle-end/52214
2281         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2282
2283 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2284
2285         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2286         (GTM_SELF_SPECS): Define if not already defined.
2287         (driver_self_specs): Add GTM_SELF_SPECS.
2288         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2289         (GTM_SELF_SPECS): Define.
2290         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2291         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2292
2293 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2294
2295         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2296         away if seen.
2297
2298         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2299
2300         PR middle-end/52230
2301         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2302         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2303
2304 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2305
2306         PR c/52190
2307         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2308
2309 2012-02-13  Richard Guenther  <rguenther@suse.de>
2310
2311         PR translation/52211
2312         * passes.c (enable_disable_pass): Fix typo.
2313
2314 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2315
2316         PR middle-end/52209
2317         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2318         XOR for reduce_bit_field if type is unsigned.
2319
2320 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2321
2322         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2323         disallow changes from SFmode to mode with different size in FP regs.
2324
2325 2012-02-12  Robert Millan  <rmh@gnu.org>
2326             Gerald Pfeifer <gerald@pfeifer.com>
2327
2328         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2329         Tweak comment.
2330
2331 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2332
2333         PR rtl-optimization/52175
2334         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2335         to frame-related instructions.
2336
2337 2012-02-10  Jason Merrill  <jason@redhat.com>
2338
2339         PR c++/51910
2340         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2341         (demangle_new_symbols): Fill it.
2342         (scan_linker_output): Walk it.
2343         (start_tweaking): Split out from scan_linker_output.
2344         (maybe_tweak): Update sym->chosen.
2345         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2346
2347 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2348
2349         PR debug/52132
2350         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2351
2352 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2355         having the same mode as previous compare.
2356
2357 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2358
2359         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2360         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2361         (nonlocal_goto_internal): Likewise.
2362         (nonlocal_goto): Emit a use and an indirect jump directly.
2363
2364 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2365
2366         PR c/52190
2367         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2368         __atomic_{is,always}_lock_free.
2369
2370 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2371
2372         PR target/52146
2373         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2374         negative constant address for x32.
2375
2376 2012-02-10  Richard Henderson  <rth@redhat.com>
2377
2378         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2379         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2380         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2381
2382 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2383             Ira Rosen  <irar@il.ibm.com>
2384
2385         PR tree-optimization/50031
2386         * targhooks.c (default_builtin_vectorization_cost): Handle
2387         vec_promote_demote.
2388         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2389         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2390         all types of reduction and pattern statements.
2391         (vect_estimate_min_profitable_iters): Likewise.
2392         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2393         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2394         for explicit realigns.
2395         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2396         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2397         vec_promote_demote.
2398         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2399         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2400         vec_perm for VSX and handle vec_promote_demote.
2401
2402 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2403
2404         PR middle-end/52177
2405         * builtins.c (fold_builtin_atomic_always_lock_free,
2406         expand_builtin_atomic_always_lock_free,
2407         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2408         Return and/or test boolean_true_node/boolean_false_node instead of
2409         integer_one_node/integer_zero_node.
2410
2411 2012-02-10  Jan Hubicka  <jh@suse.cz>
2412
2413         PR middle-end/48600
2414         * predict.c (predict_paths_for_bb): Prevent looping.
2415         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2416
2417 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2418
2419         * config/arm/arm.c (output_move_double): In one case properly
2420         count number of instructions that will be emitted.
2421
2422 2012-02-10  Richard Guenther  <rguenther@suse.de>
2423
2424         PR translation/52193
2425         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2426
2427 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2428
2429         PR middle-end/52140
2430         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2431
2432 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR debug/52165
2435         * var-tracking.c (emit_note_insn_var_location): If
2436         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2437         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2438         non-NOTE_DURING_CALL_P insn.
2439
2440 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2441
2442         PR middle-end/51867
2443         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2444
2445 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2446
2447         PR driver/48524
2448         * gcc.c (switch_matches) Support switches with separated form,
2449         -D and -U.
2450
2451 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2452
2453         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2454         (SP_ADDR): Ditto.
2455         (RAMPZ_ADDR): Ditto.
2456         * config/avr/avr.c (avr_addr_t): New typedef.
2457         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2458         (avr_init_expanders): Initialize it.
2459         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2460         SREG_ADDR.
2461         (expand_epilogue): Ditto.
2462         (avr_print_operand): Ditto.
2463         (avr_file_start): Ditto.
2464         (avr_emit_movmemhi): Ditto.
2465
2466 2012-02-08  Richard Guenther  <rguenther@suse.de>
2467
2468         PR tree-optimization/46886
2469         * tree-flow.h (do_while_loop_p): Declare.
2470         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2471         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2472
2473 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2474
2475         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2476         always succeed for integers larger than a native word.
2477
2478 2012-02-08  Richard Guenther  <rguenther@suse.de>
2479
2480         PR rtl-optimization/52170
2481         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2482         properly handle integer vector modes.
2483
2484 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2485
2486         PR gcov-profile/52150
2487         * coverage.c: Include target.h.
2488         (build_var): Call targetm.strip_name_encoding on the assembler name.
2489         Change one _ into . or $ if the target allows it.
2490         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2491
2492         PR rtl-optimization/52139
2493         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2494         is a BARRIER after emit_insn_after_noloc, move BB_END
2495         to the last non-BARRIER insn before it.
2496
2497 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2498
2499         PR middle-end/24306
2500         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2501         (mips_gimplify_va_arg_expr): Call it instead of
2502         std_gimplify_va_arg_expr.
2503
2504 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2505
2506         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2507         message for -mno-pointers-to-nested-function.
2508
2509 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2510
2511         PR middle-end/51994
2512         * expr.c (get_inner_reference): If there is an offset, add a negative
2513         bit position to it (if any).
2514
2515 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2516
2517         PR rtl-optimization/52060
2518         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2519         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2520         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2521         and/or i0src_copy2 when needed.
2522
2523 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2524
2525         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2526         or LTOPLUGINSONAME if have_c.
2527
2528         * config/freebsd-spec.h: Add comment about what macros can be defined
2529         in this header.
2530         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2531         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2532         here instead.
2533
2534 2012-02-07  Richard Guenther  <rguenther@suse.de>
2535
2536         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2537         newline in -alias dumps.
2538
2539 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2540             Dave Korn  <dave.korn.cygwin@gmail.com>
2541
2542         PR target/40068
2543         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2544         Take care that typinfo gets dllexport-attribute.
2545
2546 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2547
2548         PR middle-end/52074
2549         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2550         if modifier < EXPAND_SUM call force_operand on the result.
2551
2552 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2553
2554         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2555         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2556         present.
2557         (epiphany_function_type): Replace types for specific interrupts with
2558         EPIPHANY_FUNCTION_INTERRUPT.
2559         (EPIPHANY_INTERRUPT_P): Update.
2560         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2561         New static function.
2562         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2563         <disinterrupt>: Affects type identity.
2564         (epiphany_handle_interrupt_attribute): Handle variable number of
2565         arguments.
2566         (epiphany_compute_function_type): Update for new
2567         epiphany_function_type definition.
2568         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2569         handlers with a longcall forwarder.
2570         (epiphany_start_function): Handle multiple interrupt arguments and/or
2571         forwarder_section attribute.
2572
2573         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2574         libgloss.
2575
2576 2012-02-07  Alan Modra  <amodra@gmail.com>
2577
2578         PR target/52107
2579         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2580         subregs of TFmode.
2581
2582 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2583
2584         PR tree-optimization/50969
2585         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2586         use vec_perm rather than vector_stmt.
2587         (vect_model_load_cost): Likewise.
2588         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2589         vec_perm to be the same as other vector statements.
2590         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2591         cost of vec_perm for TARGET_VSX.
2592
2593 2012-02-06  Richard Guenther  <rguenther@suse.de>
2594
2595         PR tree-optimization/52115
2596         * tree-sra.c (access_has_replacements_p): New function.
2597         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2598
2599 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2600
2601         PR middle-end/52047
2602         * trans-mem.c (expand_call_tm): Add an assertion.
2603         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2604         functions.
2605
2606 2012-02-06  Richard Guenther  <rguenther@suse.de>
2607
2608         PR tree-optimization/50955
2609         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2610         raise cost of expressions that replace an address with an
2611         expression based on a different pointer.
2612
2613 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2614
2615         PR target/52129
2616         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2617         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2618
2619 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2620
2621         PR c++/48680
2622         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2623         -Weffc++ and specify guidelines come from second edition.
2624
2625 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2626
2627         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2628         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2629         (call_direct_split, call_value_split, call_value_internal_direct)
2630         (call_value_direct_split, call_value_multiple_split): Use jal and
2631         jal_macro attributes.
2632
2633 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2634
2635         * reload1.c (reload_regs_reach_end_p): Replace with...
2636         (reload_reg_rtx_reaches_end_p): ...this function.
2637         (new_spill_reg_store): Update commentary.
2638         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2639         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2640         before setting new_spill_reg_store.
2641         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2642         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2643         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2644         for non-spill reload registers.
2645
2646 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2647
2648         PR tree-optimization/52091
2649         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2650         (vect_is_simple_use_1): Likewise.
2651         * tree-vect-loop.c (vectorizable_reduction): Update calls
2652         to vect_is_simple_use_1 and vect_is_simple_use.
2653         (vectorizable_live_operation): Likewise.
2654         * tree-vect-patterns.c (widened_name_p,
2655         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2656         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2657         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2658         vectorizable_shift,vectorizable_operation, vectorizable_store,
2659         vectorizable_load): Likewise.
2660         (vect_is_simple_cond): Add an argument, pass it to
2661         vect_is_simple_use_1.
2662         (vectorizable_condition): Update calls to vect_is_simple_cond,
2663         vect_is_simple_use.
2664         (vect_is_simple_use): Add an argument, the statement in which
2665         OPERAND is used.  Check that if OPERAND's def stmt is a double
2666         reduction phi node, the use is a phi node too.
2667         (vect_is_simple_use_1): Add an argument, pass it to
2668         vect_is_simple_use.
2669         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2670         to vect_is_simple_use.
2671
2672 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2673
2674         PR rtl-optimization/52095
2675         * modulo-sched.c (dump_insn_locator): New function.
2676         (loop_canon_p, sms_schedule): Use it.
2677
2678         PR rtl-optimization/52113
2679         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2680         even for decomposable shift/zext insns.
2681
2682 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2683             Zdenek Dvorak  <ook@ucw.cz>
2684
2685         PR rtl-optimization/52092
2686         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2687         on get_iv_value result.
2688
2689 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2690
2691         PR middle-end/47982
2692         PR middle-end/43967
2693         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2694
2695 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2696
2697         PR middle-end/48071
2698         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2699
2700 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2701
2702         PR rtl-optimization/49800
2703         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2704         (sched_finish): Call regstat_free_n_sets_and_refs.
2705
2706 2012-02-02  Jia Liu  <proljc@gmail.com>
2707
2708         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2709         than operand 2.
2710
2711 2012-02-02  Jan Hubicka  <jh@suse.cz>
2712             Tom de Vries  <tom@codesourcery.com>
2713
2714         PR middle-end/51998
2715         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2716         * varpool.c (varpool_analyze_pending_decls): Likewise.
2717
2718 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2719             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2720
2721         * config.gcc: Add cr16-* support.
2722
2723         * doc/extend.texi: Document cr16 extensions.
2724         * doc/install.texi: Document cr16 install.
2725         * doc/invoke.texi: Document cr16 options.
2726         * doc/md.texi: Document cr16 constraints.
2727
2728         * common/config/cr16/cr16-common.c: New file.
2729         * config/cr16/cr16.c: New file.
2730         * config/cr16/cr16.h: New file.
2731         * config/cr16/cr16.md: New file.
2732         * config/cr16/cr16.opt: New file.
2733         * config/cr16/cr16-protos.h: New file.
2734         * config/cr16/predicates.md: New file.
2735         * config/cr16/constraints.md: New file.
2736         * config/cr16/t-cr16: New file.
2737
2738 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2739
2740         PR target/52086
2741         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2742         that operands[2] is either immediate, or q_regs_operand.
2743
2744         PR tree-optimization/52073
2745         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2746         a pattern stmt for pattern uses, ignore uses outside of the loop.
2747
2748 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2749
2750         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2751         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2752         (OUT_AS1, OUT_AS2): Remove.
2753
2754 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2755
2756         PR rtl-optimization/51374
2757         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2758         to cross other volatile_refs_p insns.
2759
2760 2012-02-01  Richard Guenther  <rguenther@suse.de>
2761
2762         * doc/invoke.texi (fno-inline): Clarify documentation.
2763         (finline-small-functions): Likewise.
2764         (finline-functions): Likewise.
2765         * common.opt (finline): Adjust comment and documentation.
2766         (finline-small-functions): Clarify documentation.
2767         (finline-functions): Likewise.
2768         (finline-functions-called-once): Likewise.
2769
2770 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2771
2772         * c-typeck.c (composite_type): Keep mode for pointers.
2773
2774 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2775
2776         * function.h (regno_reg_rtx): Adjust comment.
2777         * reginfo.c (init_reg_modes_target): Only use the previous mode
2778         if it fits within one register.  Remove MIPS comment.
2779
2780 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2781
2782         PR bootstrap/52058
2783         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2784
2785 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2786
2787         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2788         to srak instruction.
2789
2790 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2791
2792         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2793
2794 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2795
2796         PR bootstrap/52041
2797         PR bootstrap/52039
2798         PR target/51974
2799         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2800
2801 2012-01-31  Richard Guenther  <rguenther@suse.de>
2802
2803         PR tree-optimization/51528
2804         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2805         assigns.
2806
2807 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2808
2809         PR bootstrap/52041
2810         PR bootstrap/52039
2811         PR target/51974
2812         * ree.c (add_removable_extension): Change def_map argument
2813         to unsigned *, store in def_map 1 + offset into *insn_list vector
2814         instead of pointers into the vector.
2815         (find_removable_extensions): Adjust caller.
2816
2817 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2818
2819         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2820         Transform all "* quoted-c-code" to { c-code }.
2821         Remove redundant test for "optimize" in combine patterns.
2822         Move (include "avr-dimode.md") to end of file.
2823
2824 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2825
2826         PR target/51835
2827         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2828         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2829
2830 2012-01-30  Richard Guenther  <rguenther@suse.de>
2831
2832         PR tree-optimization/52028
2833         * tree-loop-distribution.c (ldist_gen): Properly update
2834         virtual SSA form.
2835
2836 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2837
2838         PR debug/52027
2839         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2840         set_cur_line_info_table if not emitting debug info.
2841
2842         PR tree-optimization/52046
2843         * tree-vect-patterns.c (check_bool_pattern): Give up if
2844         a comparison could throw.
2845
2846         PR debug/52048
2847         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2848
2849 2012-01-30  Richard Guenther  <rguenther@suse.de>
2850
2851         PR tree-optimization/52045
2852         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2853         SSA form if cfgcleanup did anything.
2854
2855 2012-01-30  Richard Guenther  <rguenther@suse.de>
2856
2857         PR tree-optimization/52045
2858         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2859         before computing final todo.
2860
2861 2012-01-30  Richard Guenther  <rguenther@suse.de>
2862
2863         PR tree-optimization/51528
2864         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2865         for PR51528 fix.
2866
2867 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2868
2869         * df-problems.c (df_kill_notes): Check that the use refers
2870         to the note under examination.
2871
2872 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2873
2874         PR target/51920
2875         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2876         parameter and use short-lived pseudos.
2877         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2878         (sparc_expand_vector_init): Const-ify local variables and adjust
2879         calls to above functions.
2880
2881 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2882
2883         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2884
2885 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2886
2887         * doc/invoke.texi: Make usage of "compile time" and
2888         "run time"/"runtime" consistent throughout the file.
2889
2890 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2891
2892         * config/alpha/alpha.c (alpha_option_override): Default to
2893         full IEEE compliance mode for Go language.
2894
2895 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2896
2897         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2898         (LINK_SSP_SPEC): Define.
2899
2900 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2901
2902         PR target/51871
2903         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2904         stubs.
2905
2906 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2907
2908         * doc/invoke.texi: Correct hyphenation of "floating point",
2909         "double precision", and related terminology throughout the file.
2910
2911 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2912
2913         PR target/52006
2914         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2915         arm_general_register_operand predicate for operand 2 instead of
2916         register_operand.
2917
2918 2012-01-27  Ian Lance Taylor  <iant@google.com>
2919
2920         PR go/47656
2921         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2922         * builtins.c (expand_builtin_init_trampoline): Add onstack
2923         parameter.  Change caller.
2924         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2925         * tree.c (build_common_builtin_nodes): Declare
2926         __builtin_init_heap_trampoline.
2927
2928 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2929
2930         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2931         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2932         * config/avr/avr.c: Ditto.
2933         (avr_regnames): Remove because unused.
2934         * config/avr/avr.md (*cpse.ne): New peephole.
2935         (*cpse.eq): New peephole from former cpse peepholes.
2936
2937 2012-01-27  Michael Eager  <eager@eagercon.com>
2938
2939         * config/microblaze.c (microblaze_emit_compare): Correct
2940         test after pcmp instruction.
2941
2942 2012-01-27  Richard Guenther  <rguenther@suse.de>
2943
2944         PR tree-optimization/52020
2945         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2946
2947 2012-01-27  Richard Guenther  <rguenther@suse.de>
2948
2949         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2950         function non-const/pure.
2951
2952 2012-01-27  Richard Guenther  <rguenther@suse.de>
2953
2954         PR tree-optimization/50444
2955         * tree-sra.c (build_ref_for_offset): Properly adjust the
2956         MEM_REF type for unaligned accesses.
2957
2958 2012-01-27  Richard Guenther  <rguenther@suse.de>
2959
2960         PR tree-optimization/50444
2961         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2962         (expand_assignment): Use it.  Properly handle misaligned
2963         bases when expanding stores to component references.
2964         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2965         refactor that case.
2966
2967 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2968
2969         PR middle-end/51389
2970         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2971         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2972         * tree-data-ref.c (find_data_references_in_loop): Make static.
2973         (compute_all_dependences): Change return type to bool.  Bail out
2974         for too many datarefs in a loop.  Move the hunk resetting the data
2975         dependences vector from ...
2976         (compute_data_dependences_for_loop): ... here.  Account for
2977         compute_all_dependences returning false.
2978         (compute_data_dependences_for_bb): Likewise.
2979         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2980         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2981
2982 2012-01-27  Richard Guenther  <rguenther@suse.de>
2983
2984         PR middle-end/51959
2985         * expr.c (store_field): Use the alias-set of the scratch memory
2986         for storing to it.
2987
2988 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2989
2990         PR tree-optimization/51990
2991         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2992         WITH_SIZE_EXPR.
2993         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2994
2995 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2996
2997         PR debug/52001
2998         * var-tracking.c (reverse_op): Don't add any reverse operation
2999         if V already has any constant locations.
3000
3001 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3002
3003         * doc/invoke.texi: Correct usage of "command line" (noun)
3004         vs "command-line" (adjective) throughout.
3005
3006 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3007
3008         * doc/invoke.texi (Language Independent Options): Move
3009         -Wcoverage-mismatch blurb from here....
3010         (Warning Options): ...to here.
3011
3012 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3013
3014         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3015         Set rs6000_always_hint to false for 476.
3016
3017 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3018
3019         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3020           system root.
3021         * incpath.c (add_standard_paths): Likewise.
3022
3023 2012-01-27  Richard Henderson  <rth@redhat.com>
3024
3025         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3026         * config/m68k/sync.md (atomic_test_and_set): Rename from
3027         sync_test_and_setqi and adjust the operands.
3028         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3029         and unconditionally enable.
3030
3031 2012-01-27  Richard Henderson  <rth@redhat.com>
3032
3033         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3034         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3035         (ldstub): Rename from ldstubqi.
3036         (ldstub<I24MODE>): Remove.
3037
3038 2012-01-27  Richard Henderson  <rth@redhat.com>
3039
3040         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3041         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3042         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3043         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3044         * doc/tm.texi: Rebuild.
3045
3046 2012-01-27  Richard Henderson  <rth@redhat.com>
3047
3048         * optabs.c (gen_atomic_test_and_set): Remove default.
3049         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3050
3051 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3052
3053         PR rtl-optimization/51978
3054         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3055         (combine_reaching_defs): Likewise.
3056         (struct re_info): Remove.
3057         (add_removable_extension): Remove x and data arguments,
3058         add insn, insn_list and def_map.  Use the arguments directly
3059         instead of using struct re_info.
3060         (find_removable_extensions): Don't call add_removable_extension
3061         through note_stores, instead just call it with single_set
3062         result if non-NULL.
3063         (find_and_remove_re): Pass curr_cand->expr instead of
3064         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3065
3066 2012-01-26  Michael Matz  <matz@suse.de>
3067
3068         PR tree-optimization/46590
3069         * cfgexpand.c: Revert last change (r183305).
3070         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3071         regs.
3072         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3073         checking for emptiness.
3074
3075 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3076
3077         PR middle-end/51895
3078         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3079         non-addressable non-BLKmode base correctly.
3080
3081 2012-01-26  Michael Matz  <matz@suse.de>
3082
3083         PR tree-optimization/48794
3084         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3085         regions referenced from RESX/EH_DISPATCH.
3086
3087 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3088
3089         * config/s390/s390.h: Make BRANCH_COST an option.
3090         * config/s390/s390.opt: New option -mbranch-cost.
3091
3092 2012-01-26  Richard Henderson  <rth@redhat.com>
3093
3094         Revert 2012-01-24 change:
3095         * trans-mem.c (requires_barrier): Do not instrument thread local
3096         variables and emit save/restore for them.
3097
3098 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3099
3100         PR middle-end/51986
3101         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3102         for pat == 0.
3103
3104 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3105
3106         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3107         ASM_OPERANDS.
3108
3109 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3110
3111         PR target/49868
3112         Rename __pgm to __flash.
3113         Rename __pgm1 to __flash1.
3114         Rename __pgm2 to __flash2.
3115         Rename __pgm3 to __flash3.
3116         Rename __pgm4 to __flash4.
3117         Rename __pgm5 to __flash5.
3118         Rename __pgmx to __memx.
3119         * doc/extend.texi (AVR Named Address Spaces)
3120         Rename address space names as indicated above.
3121         * config/avr/avr.c (avr_addrspace): Ditto.
3122
3123         * config/avr/avr-protos.h
3124         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3125         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3126         * config/avr/predicates.md: Ditto.
3127         * config/avr/avr.c Ditto, and
3128         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3129         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3130
3131         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3132         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3133         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3134         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3135         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3136         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3137         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3138         * config/avr/avr.c: Ditto.
3139         * config/avr/avr.md: Ditto.
3140
3141 2012-01-25  Jason Merrill  <jason@redhat.com>
3142
3143         PR c++/51992
3144         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3145
3146 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3147
3148         PR tree-optimization/51987
3149         * tree-data-ref.c (get_references_in_stmt): Handle references in
3150         non-volatile GIMPLE_ASM.
3151
3152 2012-01-25  Richard Guenther  <rguenther@suse.de>
3153
3154         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3155         bases are dereferenced.
3156
3157 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3158
3159         PR rtl-optimization/48374
3160         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3161
3162 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3163
3164         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3165         compute_data_dependences_for_loop returns false.
3166         * tree-parloops.c (loop_parallel_p): Likewise.
3167
3168 2012-01-25  Richard Guenther  <rguenther@suse.de>
3169
3170         * tree.h (get_pointer_alignment_1): Declare.
3171         * builtins.c (get_pointer_alignment_1): New function.
3172         (get_pointer_alignment): Use it.
3173
3174 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3175
3176         PR rtl-optimization/48308
3177         * combine.c (enum undo_kind): Add UNDO_LINKS.
3178         (struct undo): Add member l to other_contents and where.
3179         (do_SUBST_LINK): New.
3180         (SUBST_LINK): New.
3181         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3182         (undo_all): Handle UNDO_LINKS.
3183
3184 2012-01-25  Richard Henderson  <rth@redhat.com>
3185
3186         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3187         mem inputs.
3188
3189 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3190
3191         * optabs.c (gen_atomic_test_and_set): Use each argument.
3192
3193 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3194
3195         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3196         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3197         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3198         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3199         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3200         TARGET_PAIRED_SINGLE_FLOAT.
3201
3202 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3203
3204         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3205         (in_struct, return_val): Remove MEM documentation.
3206         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3207         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3208         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3209         and MEM_SCALAR.
3210         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3211         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3212         * expr.c (store_field): Likewise.
3213         * function.c (assign_stack_temp_for_type): Likewise.
3214         * ifcvt.c (noce_try_cmove_arith): Likewise.
3215         * reload1.c (reload): Likewise.
3216         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3217         (alpha_set_memflags): Likewise.
3218         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3219
3220 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3221
3222         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3223         parameter.
3224         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3225         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3226         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3227         varies parameter.
3228         * cselib.c (cselib_rtx_varies_p): Delete.
3229         (cselib_invalidate_mem): Update call to canon_true_dependence.
3230         * dse.c (record_store, check_mem_read_rtx): Likewise.
3231         (scan_reads_nospill): Likewise.
3232         * cse.c (check_dependence): Likewise.
3233         (cse_rtx_varies_p): Delete.
3234         * expr.c (safe_from_p): Update call to true_dependence.
3235         * ira.c (validate_equiv_mem_from_store): Likewise.
3236         (memref_referenced_p): Likewise.
3237         * postreload-gcse.c (find_mem_conflicts): Likewise.
3238         * sched-deps.c (sched_analyze_2): Likewise.
3239         * store-motion.c (load_kills_store): Likewise.
3240         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3241         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3242         (compute_transp): Update call to canon_true_dependence.
3243
3244 2012-01-25  Richard Henderson  <rth@redhat.com>
3245
3246         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3247         (maybe_emit_atomic_test_and_set): New.
3248         (expand_sync_lock_test_and_set): Use it.
3249         (expand_atomic_test_and_set): Likewise.
3250         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3251         the implementation; clarify implementation defined details.
3252         * doc/md.texi (atomic_test_and_set): Document.
3253
3254 2012-01-25  Richard Henderson  <rth@redhat.com>
3255
3256         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3257
3258 2012-01-25  Richard Henderson  <rth@redhat.com>
3259
3260         PR target/51968
3261         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3262         to effect no-op split.
3263
3264 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3265
3266         PR lto/51698
3267         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3268         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3269         (BT_FN_VOID_PTR_INT_SIZE): New.
3270         (BT_FN_UINT_UINT_VAR): Remove.
3271         (BT_FN_UINT32_UINT32_VAR): New.
3272         (BT_FN_DOUBLE_VPTR): Remove.
3273         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3274
3275         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3276         (_ITM_changeTransactionMode): Same.
3277         (_ITM_memmoveRtWt): Change return type to void.
3278         (_ITM_memcpyRtWt): Same.
3279         (_ITM_memsetW): Same.
3280         (_ITM_RaRD): Change types to double.
3281         (_ITM_RD): Same.
3282         (_ITM_RaWD): Same.
3283         (_ITM_RfWD): Same.
3284
3285         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3286
3287 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3288             Patrick Marlier  <patrick.marlier@gmail.com>
3289
3290         * trans-mem.c (requires_barrier): Do not instrument thread local
3291         variables and emit save/restore for them.
3292
3293 2012-01-24  Jason Merrill  <jason@redhat.com>
3294
3295         PR c++/51812
3296         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3297         output static aliases.
3298
3299 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3300
3301         PR driver/47249
3302         * common.opt (-pie, -shared, pie, shared): Change from Common to
3303         Driver.
3304         * gcc.c (display_help): Display help for -pie and -shared.
3305
3306 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3307
3308         PR target/49868
3309         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3310         Remove note on size/offset limitation.
3311         (AVR Variable Attributes): Add example how to read data located
3312         with progmem.  Refer to named address spaces.
3313         * doc/invoke.texi (AVR Options): Fix typo.
3314
3315 2012-01-24  Richard Guenther  <rguenther@suse.de>
3316
3317         Forward-port to trunk
3318         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3319
3320         PR middle-end/45678
3321         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3322         op0 isn't sufficiently aligned and there is movmisalignM
3323         insn for mode, use it to load op0 into a temporary register.
3324
3325 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3326
3327         PR target/51957
3328         * target.def (const_not_ok_for_debug_p): New hook.
3329         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3330         documentation.
3331         * doc/tm.texi: Regenerated.
3332         * dwarf2out.c (const_ok_for_output_1): If
3333         targetm.const_not_ok_for_debug_p returns true, fail.
3334         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3335         function.
3336         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3337
3338 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3339
3340         PR target/51900
3341         * config/i386/predicates.md (symbolic_operand): Allow
3342         UNSPEC_PCREL as PIC expression for lea.
3343         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3344         * config/i386/i386.c (ix86_delegitimize_address): Handle
3345         UNSPEC_PCREL for none-MEM, too.
3346
3347 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3348
3349         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3350         (ipa_tm_create_version_alias): Same.
3351
3352 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3353
3354         PR libitm/51830
3355         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3356         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3357
3358 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3359             Patrick Marlier  <patrick.marlier@gmail.com>
3360             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3361
3362         PR lto/51916
3363         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3364         simple_object_start_read.
3365
3366 2012-01-23  Richard Guenther  <rguenther@suse.de>
3367
3368
3369         PR tree-optimization/51895
3370         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3371         parameter decomposition into BLKmode components.
3372
3373 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3374
3375         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3376         fake variables for restrict-qualified pointers whose pointed-to type
3377         contains a placeholder.
3378
3379 2012-01-23  Richard Guenther  <rguenther@suse.de>
3380
3381         PR tree-optimization/51949
3382         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3383
3384 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3385
3386         PR rtl-optimization/51933
3387         * ree.c (transform_ifelse): Return true right away if dstreg is
3388         already wider or equal to cand->mode.
3389         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3390         (make_defs_and_copies_lists): Remove defs_list and copies_list
3391         arguments, add state argument, just truncate state->work_list
3392         instead of always allocating and freeing the vector.  Assert that
3393         get_defs succeeds instead of returning 2.  Changed return type to bool.
3394         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3395         have ext_src_mode, see if it has been modified already with the
3396         right kind of extension and has been extended before from the
3397         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3398         just return true.  Remember the original mode in state->modified array.
3399         (combine_reaching_defs): Add state argument.  Don't allocate and
3400         free here def_list, copied_list and vec vectors, instead just
3401         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3402         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3403         Add state variable, clear vectors in it, initialize state.modified
3404         if needed.  Free all the vectors at the end and state.modified too.
3405         Don't skip a candidate if the extension expression has been modified.
3406
3407 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3408
3409         PR target/47096
3410         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3411          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3412         (extra_options) interix.opt -> i386/interix.opt"
3413         (extra_objs):Add winnt-stubs.o
3414         * configure.ac: Add interix to target_os .comm on PE check.
3415         * configure: Regenerate.
3416         * config/interix3.h: Delete and move bits to..
3417         * config/interix.h: Delete and move bits to..
3418         * config/i386/i386-interix3.h: Delete and move bits to..
3419         * config/i386/i386-interix.h: ..here.
3420         (TARGET_CPU_DEFAULT): Remove redefinition.
3421         (TARGET_ASM_CONSTRUCTOR): Undefine.
3422         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3423         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3424         (PTRDIFF_TYPE): Define.
3425         (LONG_DOUBLE_TYPE_SIZE): Define.
3426         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3427         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3428         (TARGET_SECTION_TYPE_FLAGS): Define.
3429         (ASM_DECLARE_FUNCTION_NAME): Define.
3430         (ASM_OUTPUT_EXTERNAL): Define.
3431         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3432         (ASM_OUTPUT_ALIGNED_BSS): Define.
3433         (PCC_BITFIELD_TYPE_MATTERS): Define.
3434         (USE_CONST_SECTION): Define.
3435         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3436         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3437         (SUPPORTS_ONE_ONLY): Remove.
3438         (I386_PE_STRIP_ENCODING): Define.
3439         * config/interix.opt: Delete and move bits to..
3440         * config/i386/interix.opt: ..here. New.
3441         (mpe-aligned-commons): Add.
3442         * config/i386/t-interix: Add copyright header.
3443         (winnt-stubs.o): Add rule.
3444
3445 2012-01-22  Jason Merrill  <jason@redhat.com>
3446
3447         PR c++/51832
3448         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3449         for extra name aliases.
3450
3451 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3452
3453         PR rtl-optimization/51924
3454         * ree.c (combine_set_extension): Improve debugging message.
3455         (combine_reaching_defs): Likewise.
3456         (get_defs): Rename confusingly named variable.
3457         (find_and_remove_re): Skip a candidate if the extension expression has
3458         been modified.
3459
3460 2012-01-21  Robert Millan  <rmh@gnu.org>
3461             Gerald Pfeifer  <gerald@pfeifer.com>
3462
3463         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3464         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3465
3466 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3467
3468         PR tree-optimization/51914
3469         * tree-vect-stmts.c (vectorizable_conversion): For
3470         cvt_type && modifier == WIDEN, put temporary with cvt_type
3471         at the beginning of vec_dsts and set vec_dest to temporary
3472         with vectype_out.
3473
3474 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3475
3476         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3477
3478 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3479
3480         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3481         * config/rs6000/rs6000.c: Likewise.
3482
3483 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3484
3485         PR target/51915
3486         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3487         output_move_double on a copy of operands array.
3488
3489 2012-01-20  Cary Coutant  <ccoutant@google.com>
3490             Dodji Seketeli  <dodji@redhat.com>
3491
3492         PR debug/45682
3493         * dwarf2out.c (copy_declaration_context): Return ref to parent
3494         of declaration DIE, if necessary.
3495         (remove_child_or_replace_with_skeleton): Add new parameter; update
3496         caller.  Place skeleton DIE under parent DIE of original declaration.
3497         Move call to copy_declaration_context to here ...
3498         (break_out_comdat_types): ... from here.
3499
3500 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3501
3502         PR rtl-optimization/51856
3503         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3504         flag to reloaded.
3505
3506 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3507
3508         PR target/51819
3509         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3510         hints for neon loads and stores.
3511
3512 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3513
3514         PR target/49868
3515         PR target/50887
3516         * doc/extend.texi (Named Address Spaces): Split into subsections.
3517         (AVR Named Address Spaces): New subsection.
3518         (M32C Named Address Spaces): New subsection.
3519         (RL78 Named Address Spaces): New subsection.
3520         (SPU Named Address Spaces): New subsection.
3521         (Variable Attributes): New anchor "AVR Variable Attributes".
3522         (AVR Variable Attributes): Rewrite and avoid wording
3523         "address space" in this context.
3524         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3525         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3526         (AVR Built-in Macros): New subsubsection therein.
3527         * doc/md.texi (AVR constraints): Remove "C04", "R".
3528
3529 2012-01-20  Richard Guenther  <rguenther@suse.de>
3530
3531         PR tree-optimization/51903
3532         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3533         when removing stmts.
3534
3535 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3536
3537         PR target/50313
3538         * config/arm/arm.c (arm_load_pic_register): Use
3539         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3540         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3541         (arm_pic_static_addr): Likewise.
3542         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3543         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3544         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3545         (pic_load_addr_unified): New.
3546
3547 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3548
3549         PR target/51106
3550         * function.c (instantiate_virtual_regs_in_insn): Use
3551         delete_insn_and_edges when removing a wrong asm insn.
3552
3553 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3554
3555         PR rtl-optimization/40761
3556         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3557         Add new member loop_num.
3558         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3559         (ira_build): Remove the parameter.
3560
3561         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3562         (ira.c): Do not build CFG loops for one region allocation.  Remove
3563         argument from ira_build call.
3564
3565         * ira-build.c (init_loop_tree_node): New function.
3566         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3567         loops are not built.
3568         (more_one_region_p): Check current_loops.
3569         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3570         built.
3571         (add_loop_to_tree): Process loop equal to NULL too.
3572         (form_loop_tree): Separate the case when CFG loops are not built.
3573         Use explicitly number for the root.
3574         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3575         an assertion.
3576         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3577         instead of loop->num.
3578         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3579         (mark_all_loops_for_removal): Ditto.
3580         (remove_unnecessary_regions): Separate the case when CFG loops
3581         are not built.
3582         (ira_build): Remove the parameter.  Use explicit number of regions
3583         when CFG loops are not built.
3584
3585         * ira-color.c (print_loop_title): Separate the case for the root node.
3586         Use loop_num instead of loop->num.
3587         (move_spill_restore): Use loop_num instead of loop->num.
3588
3589         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3590         (change_loop): Ditto.
3591         (change_loop): Use loop_num instead of loop->num.
3592
3593         * ira-lives.c (process_bb_node_lives): Ditto.
3594
3595         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3596
3597         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3598
3599 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3600
3601         PR libmudflap/40778
3602         * tree-mudflap.c (mf_artificial): New function.
3603         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3604         mx_register_decls, mudflap_enqueue_decl): Use it.
3605
3606         PR target/51876
3607         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3608         numbers in the insn pattern.
3609
3610 2012-01-19  Michael Matz  <matz@suse.de>
3611
3612         PR tree-optimization/46590
3613         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3614         use it in remembering which conflicts we already created.
3615         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3616         bitmap.
3617
3618 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3619
3620         PR lto/51280
3621         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3622         (merge_and_complain): Same.
3623
3624 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3625
3626         PR bootstrap/50237
3627         * config/initfini-array.h: Guard content of the header
3628         with #ifdef HAVE_INITFINI_ARRAY.
3629         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3630         Add initfini-array.h to tm_file here.
3631         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3632         * config.gcc: Don't add initfini-array.h to tm_file here.
3633         * configure: Regenerated.
3634
3635 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3636
3637         PR rtl-optimization/51505
3638         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3639         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3640         (df_note_bb_compute): Update the call to df_kill_notes.
3641
3642 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3643
3644         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3645
3646 2012-01-18  Richard Guenther  <rguenther@suse.de>
3647
3648         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3649         of conversions to void *.
3650
3651 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3652             Richard Sandiford  <rdsandiford@googlemail.com>
3653
3654         PR middle-end/50325
3655         PR middle-end/51192
3656         * optabs.h (simplify_expand_binop): Declare.
3657         * optabs.c (simplify_expand_binop): Make global.
3658         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3659         endian targets if the source cannot be exactly covered by word
3660         mode chunks.
3661
3662 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3663
3664         PR bootstrap/51872
3665         * hard-reg-set.h (struct hard_reg_set_container): New type.
3666         * target.h (struct hard_reg_set_container): Forward declare.
3667         * target.def (set_up_by_prologue): New target hook.
3668         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3669         * doc/tm.texi: Regenerated.
3670         * function.c (thread_prologue_and_epilogue_insns): Change
3671         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3672         Call targetm.set_up_by_prologue on it.
3673         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3674         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3675
3676 2012-01-17  Nick Clifton  <nickc@redhat.com>
3677
3678         * config/rx/rx.c (rx_can_use_simple_return): New function.
3679         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3680         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3681
3682 2012-01-17  Richard Guenther  <rguenther@suse.de>
3683
3684         PR middle-end/51782
3685         * expr.c (expand_assignment): Take address-space information
3686         from the address operand of MEM_REF and TARGET_MEM_REF.
3687         (expand_expr_real_1): Likewise.
3688
3689 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3690
3691         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3692         reload dump is requested.
3693
3694 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3695
3696         PR other/51165
3697         * trans-mem.c (requires_barrier): Call may_be_aliased.
3698
3699 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3700
3701         PR tree-optimization/51877
3702         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3703         call arguments and fndecls compare equal, instead return false if they
3704         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3705         both SSA_NAMEs that are valueized the same, or they satisfy
3706         operand_equal_p.
3707
3708 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3709
3710         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3711         Solaris 11+.
3712         * configure: Regenerate.
3713
3714 2012-01-16  Jan Hubicka  <jh@suse.cz>
3715
3716         PR c/12245
3717         PR c++/14179
3718         * convert.c (convert_to_integer): Use fold_convert for
3719         converting an INTEGER_CST to integer type.
3720
3721 2012-01-16  Jason Merrill  <jason@redhat.com>
3722
3723         PR c++/14179
3724         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3725
3726 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3727
3728         PR bootstrap/51860
3729         * config/s390/s390.c (s390_chunkify_start): Don't skip
3730         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3731         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3732         If insn is followed by NOTE_INSN_VAR_LOCATION or
3733         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3734         Don't use location of note insns.
3735
3736         PR tree-optimization/51865
3737         * tree-inline.c (tree_function_versioning): Call remap_decl
3738         on DECL_RESULT whenever it has VOID_TYPE_P type.
3739
3740 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3741
3742         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3743         for calls to locally-binding MIPS16 functions if only the return
3744         type uses float regs.
3745
3746 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3747             Richard Sandiford  <rdsandiford@googlemail.com>
3748
3749         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3750         (SYMBOL_32_HIGH): Likewise.
3751         (mips_output_tls_reloc_directive): Declare.
3752         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3753         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3754         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3755         (mips_lo_relocs, mips_hi_relocs): Make extern.
3756         (mips16_stub_function): Move up file.
3757         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3758         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3759         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3760         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3761         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3762         (mips_get_tp): Add MIPS16 support.
3763         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3764         Generalize DTPREL and TPREL handling.
3765         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3766         Add MIPS16 TLS support.
3767         (mips_output_tls_reloc_directive): New function.
3768         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3769         * config/mips/predicates.md (symbolic_operand_with_high)
3770         (tls_reloc_operand): New predicates.
3771         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3772         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3773         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3774         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3775         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3776         (*tls_get_tp_mips16_call_<mode>): Likewise.
3777
3778 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3779
3780         PR rtl-optimization/51821
3781         * recog.c (peep2_find_free_register): Determine clobbered registers
3782         from insn pattern.
3783
3784 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3785
3786         PR target/50925
3787         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3788         * config/avr/avr.c: Likewise.
3789         * config/avr/avr.h: Likewise.
3790
3791 2012-01-13  Ian Lance Taylor  <iant@google.com>
3792
3793         PR c++/50012
3794         * tree.h (TYPE_QUALS): Add cast to int.
3795         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3796
3797 2012-01-13  Ian Lance Taylor  <iant@google.com>
3798
3799         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3800         comparing param_index to VEC_length result.
3801
3802 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3803
3804         * c-decl.c: Do not include tree-mudflap.h
3805         * tree-optimize.c: Likewise.
3806         * Makefile.in: Update dependencies.
3807
3808 2012-01-13  Richard Guenther  <rguenther@suse.de>
3809
3810         PR middle-end/8081
3811         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3812         variable-sized result always use RSO.
3813
3814 2012-01-12  DJ Delorie  <dj@redhat.com>
3815
3816         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3817         pointer type, not just the default pointer type.
3818
3819 2012-01-09  Richard Henderson  <rth@redhat.com>
3820             Denis Chertykov  <chertykov@gmail.com>
3821
3822         PR target/50925
3823         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3824         * config/avr/avr.c (avr_can_eliminate): Simplify.
3825         (avr_initial_elimination_offset): Likewise.
3826         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3827         (expand_epilogue): Likewise.
3828         (avr_legitimize_address): Gut.
3829         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3830         (avr_hard_regno_nregs): New.
3831         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3832         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3833         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3834         add soft frame pointer.
3835         (CALL_USED_REGISTERS): Likewise.
3836         (REG_CLASS_CONTENTS): Likewise.
3837         (REGISTER_NAMES): Likewise.
3838         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3839         (HARD_FRAME_POINTER_REGNUM): New.
3840         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3841         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3842         remove the HARD_FRAME_POINTER self-elimination.
3843
3844 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3845
3846         PR target/51756
3847         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3848         DECL_EXTERNAL when checking for initializers of progmem variables.
3849
3850 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3851
3852         PR tree-optimization/51799
3853         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3854         that the last operation is a type demotion.
3855
3856 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3857
3858         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3859         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3860
3861 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3862
3863         PR bootstrap/51796
3864         * combine.c (distribute_notes): If i3 is a noreturn call,
3865         allow old_size to be equal to args_size and make sure the
3866         noreturn call gets REG_ARGS_SIZE note.
3867         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3868         on noreturn calls even when the delta is 0.
3869
3870 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3871
3872         * gcov.c (STRING_SIZE): Remove.
3873         (generate_results): Erase annotations for source files with no
3874         coverage information.
3875         (read_line): New.
3876         (output_lines): Use it.
3877
3878 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3879
3880         * gimple.h (gimplify_body): Remove first argument.
3881         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3882         pointer set here, instead just pass DATA to walk_tree.
3883         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3884         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3885         (unvisit_body): Likewise, but with unmark_visited.
3886         (gimplify_body): Remove BODY_P argument and adjust.
3887         (gimplify_function_tree): Adjust call to gimplify_body.
3888         * omp-low.c (finalize_task_copyfn): Likewise.
3889
3890 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3891
3892         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3893         (build_function_type_skip_args): Delete.
3894         * tree.c (build_function_type_skip_args): Make static and add
3895         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3896         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3897         pass it to build_function_type_skip_args.
3898         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3899         (tree_function_versioning): Likewise.
3900         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3901         build_function_decl_skip_args.
3902         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3903         and pass it to build_function_decl_skip_args/tree_function_versioning.
3904         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3905         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3906         * trans-mem.c (ipa_tm_create_version): Likewise.
3907         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3908         * tree-inline.c (declare_return_variable): Remove always-true test.
3909         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3910         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3911         * ipa-split.c (split_function): Skip the return value for the split
3912         part if it doesn't return.
3913
3914 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3915
3916         PR tree-optimization/49642
3917         * ipa-split.c (forbidden_dominators): New variable.
3918         (check_forbidden_calls): New function.
3919         (dominated_by_forbidden): Likewise.
3920         (consider_split): Check for forbidden dominators.
3921         (execute_split_functions): Initialize and free forbidden
3922         dominators info; call check_forbidden_calls.
3923
3924 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3925
3926         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3927
3928 2012-01-11  Nick Clifton  <nickc@redhat.com>
3929
3930         * config/rx/rx.md (return): Define pattern.
3931
3932 2012-01-11  Richard Guenther  <rguenther@suse.de>
3933
3934         * doc/extend.texi (malloc attribute): Adjust according to
3935         implementation.
3936
3937 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3938             Patrick Marlier  <patrick.marlier@gmail.com>
3939
3940         PR middle-end/51516
3941         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3942         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3943         (ipa_tm_note_irrevocable): Same.
3944         (ipa_tm_scan_irr_block): Same.
3945         (ipa_tm_decrement_clone_counts): Same.
3946         (ipa_tm_scan_irr_function): Same.
3947         (ipa_tm_create_version_alias): Same.
3948         (ipa_tm_create_version): Same.
3949         (ipa_tm_transform_calls_redirect): Same.
3950         (ipa_tm_transform_calls): Same.
3951         (ipa_tm_transform_transaction): Same.
3952         (ipa_tm_execute): Same.
3953
3954 2012-01-10  Richard Guenther  <rguenther@suse.de>
3955
3956         PR middle-end/51806
3957         * opts.c (common_handle_option): Handle -Werror.
3958
3959 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3960
3961         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3962         operand number.
3963
3964 2012-01-10  Jason Merrill  <jason@redhat.com>
3965
3966         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3967         information.
3968
3969 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3970
3971         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3972         supports R_386_TLS_GD_PLT reloc.
3973         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3974         supports R_386_TLS_LDM_PLT reloc.
3975         * configure: Regenerate.
3976         * config.in: Regenerate.
3977
3978 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3979
3980         PR target/49868
3981         Extend __pgmx semantics to linearize memory.
3982         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3983         determine if code comes inline or from libgcc.
3984         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3985         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3986         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3987         (movmemx_qi, movmemx_hi): New insns.
3988         (xload_<mode>_libgcc): Rewrite to new insn condition.
3989         (xload_<mode>): Remove insns.
3990         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3991         cases that don't satisfy avr_xload_libgcc_p().
3992         (avr_addr_space_convert): Allow converting in any direction.
3993         (avr_addr_space_subset_p): Return always true.
3994         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3995         (avr_emit_movmemhi): Ditto.
3996         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3997         (avr_out_movmem): Ditto.
3998         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3999         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4000         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4001         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4002         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4003
4004 2012-01-10  Richard Guenther  <rguenther@suse.de>
4005
4006         PR tree-optimization/50913
4007         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4008         Require data-refs to be representable by Graphite with respect
4009         to any loop nest.
4010
4011 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4012
4013         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4014         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4015
4016 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4017
4018         PR rtl-optimization/51271
4019         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4020         handling annulled branch.
4021
4022 2012-01-10  Richard Henderson  <rth@redhat.com>
4023
4024         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4025         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4026         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4027         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4028         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4029         arm_expand_vec_perm_const): New.
4030         * config/arm/arm-protos.h: Update.
4031         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4032         (*neon_vswp<VDQX>): New.
4033         (neon_vcombine<VDX>): Use neon_split_vcombine.
4034         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4035         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4036         (vec_perm<VE>): New.
4037
4038 2012-01-10  Richard Henderson  <rth@redhat.com>
4039
4040         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4041         use it if reload_completed.
4042         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4043         arm_output_asm_insn, arm_process_output_memory_barrier,
4044         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4045         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4046         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4047         arm_process_output_sync_insn, arm_output_sync_insn,
4048         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4049         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4050         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4051         (emit_unlikely_jump): New.
4052         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4053         (arm_split_atomic_op): New.
4054         * config/arm/arm-protos.h: Update.
4055         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4056         (struct arm_sync_generator): Remove.
4057         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4058         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4059         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4060         (VUNSPEC_LL, VUNSPEC_SC): New.
4061         (sync_result, sync_memory, sync_required_value, sync_new_value,
4062         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4063         (attr length): Don't use arm_sync_loop_insns.
4064         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4065         (movsfcc, movdfcc): Likewise.
4066         * config/arm/constraints.md (Ua): New.
4067         * config/arm/prediates.md (mem_noofs_operand): New.
4068         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4069         (sync_clobber, sync_t2_reqd): Remove.
4070         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4071         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4072         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4073         (arm_sync_compare_and_swap<SIDI>): Remove.
4074         (arm_sync_compare_and_swap<NARROW>): Remove.
4075         (arm_sync_lock_test_and_set<SIDI>): Remove.
4076         (arm_sync_lock_test_and_set<NARROW>): Remove.
4077         (arm_sync_new_<syncop><SIDI>): Remove.
4078         (arm_sync_new_<syncop><NARROW>): Remove.
4079         (arm_sync_new_nand<SIDI>): Remove.
4080         (arm_sync_new_nand<NARROW>): Remove.
4081         (arm_sync_old_<syncop><SIDI>): Remove.
4082         (arm_sync_old_<syncop><NARROW>): Remove.
4083         (arm_sync_old_nand<SIDI>): Remove.
4084         (arm_sync_old_nand<NARROW>): Remove.
4085         (*memory_barrier): Merge arm_output_memory_barrier.
4086         (atomic_compare_and_swap<QHSD>): New.
4087         (atomic_compare_and_swap<NARROW>_1): New.
4088         (atomic_compare_and_swap<SIDI>_1): New.
4089         (atomic_exchange<QHSD>): New.
4090         (cas_cmp_operand, cas_cmp_str): New.
4091         (atomic_op_operand, atomic_op_str): New.
4092         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4093         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4094         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4095         (arm_load_exclusive<NARROW>): New.
4096         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4097         (arm_store_exclusive<QHSD>): New.
4098
4099 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4100
4101         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4102         reload patterns if -mvsx-scalar-memory.
4103
4104         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4105         generated, even -mno-vsx-scalar-double was used.
4106         (vsx_xscvdpsp_scalar): Likewise.
4107         (vsx_xscvspdp_scalar2): Likewise.
4108
4109 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4110             Andrew Pinski  <apinski@cavium.com>
4111
4112         PR debug/51471
4113         * reorg.c (fill_slots_from_thread): Don't speculate
4114         frame-related insns.
4115
4116 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4117
4118         * sched-int.h (bb_note): Move to...
4119         * basic-block.h: ...here.
4120         * haifa-sched.c (bb_note): Move to...
4121         * cfgrtl.c: ...here.
4122         * function.c (next_block_for_reg): New function.
4123         (move_insn_for_shrink_wrap): Likewise.
4124         (prepare_shrink_wrap): Rewrite to use the above.
4125
4126 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4127
4128         * gimple.c (is_gimple_non_addressable): Remove.
4129         * gimple.h: Remove is_gimple_non_addressable.
4130         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4131         is_gimple_non_addressable.
4132         * trans-mem.c (expand_assign_tm): Same.
4133
4134 2012-01-09  Richard Guenther  <rguenther@suse.de>
4135
4136         PR tree-optimization/51775
4137         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4138         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4139
4140 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4141
4142         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4143         tuning parameters.
4144         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4145
4146 2012-01-09  Richard Guenther  <rguenther@suse.de>
4147
4148         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4149
4150 2012-01-08  Jan Hubicka  <jh@suse.cz>
4151
4152         PR tree-optimize/51680
4153         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4154         on when known_vals needs to be computed; cleanup.
4155
4156 2012-01-08  Jan Hubicka  <jh@suse.cz>
4157
4158         PR tree-optimize/51694
4159         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4160
4161 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4162
4163         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4164         for -std=c++98 and -std=c++11 too.
4165
4166 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4167
4168         * cfgloop.c (cancel_loop): Add free() of bbs array.
4169
4170 2012-01-07  Jan Hubicka  <jh@suse.cz>
4171
4172         PR tree-optimization/51600
4173         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4174         that benefits small functions.
4175
4176 2012-01-07  Jan Hubicka  <jh@suse.cz>
4177
4178         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4179
4180 2012-01-07  Jan Hubicka  <jh@suse.cz>
4181
4182         PR tree-optimization/51680
4183         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4184         whose inlining reduce unit size.
4185
4186 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4187
4188         PR bootstrap/51725
4189         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4190         Add canonical node to containing_mem chain after the non-canonical
4191         one, even if there weren't any locs to propagate.
4192         (remove_useless_values): Keep only canonical values.
4193         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4194         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4195         canonicalize mem_chain elements that are not discarded.
4196
4197 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4198
4199         PR target/47333
4200         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4201         before emitting functions.
4202
4203         PR gcov-profile/50127
4204         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4205         clear_aux_for_blocks.
4206
4207 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4208
4209         PR debug/51746
4210         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4211
4212 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4213
4214         * c-decl.c (ext_block): Moved up.
4215         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4216
4217 2012-01-06  Han Shen  <shenhan@google.com>
4218
4219         Translate built-in include paths for sysroot.
4220         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4221         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4222
4223         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4224         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4225
4226         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4227         control whether sysroot should be prepended to gxx include dir.
4228
4229         * configure: Regenerate.
4230
4231 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4232
4233         PR rtl-optimization/51771
4234         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4235         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4236
4237 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4238
4239         PR tree-optimization/51315
4240         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4241         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4242
4243 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4244
4245         PR target/51681
4246         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4247         for shrp pattern.  Correctly handle and fixup shift variable.
4248         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4249
4250 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4251
4252         PR debug/51762
4253         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4254         note when !ACCUMULATE_OUTGOING_ARGS.
4255
4256 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4257
4258         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4259         condition.
4260         (extract_range_from_unary_expr_1): Avoid useless computations.
4261
4262 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4263
4264         PR rtl-optimization/51767
4265         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4266         of jump_block and add an extra edge for degenerated asm gotos.
4267
4268         PR middle-end/51768
4269         * stmt.c (check_unique_operand_names): Don't ICE during error
4270         reporting if i is from labels chain.
4271
4272         PR middle-end/44777
4273         * profile.c (branch_prob): Split bbs that have exit edge
4274         and need a fake entry edge too.
4275
4276 2012-01-05  Jan Hubicka  <jh@suse.cz>
4277
4278         PR middle-end/49710
4279         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4280         unlooping loops.
4281
4282 2012-01-05  Richard Guenther  <rguenther@suse.de>
4283
4284         PR lto/50490
4285         * tree-streamer-out.c (write_ts_optimization): New function.
4286         (streamer_write_tree_body): Call it.
4287         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4288         (streamer_read_tree_body): Call it.
4289         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4290
4291 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4292
4293         PR middle-end/51761
4294         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4295         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4296         in_cleanup_point_expr before gimplify_stmt call and restore it
4297         afterwards.
4298         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4299         in_cleanup_point_expr is false.
4300
4301 2012-01-05  Richard Guenther  <rguenther@suse.de>
4302
4303         PR middle-end/51764
4304         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4305         to c.opt.
4306         * toplev.c (process_options): Reject combining mudflap and LTO.
4307         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4308
4309 2012-01-05  Richard Guenther  <rguenther@suse.de>
4310
4311         PR tree-optimization/51760
4312         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4313         not VARYING.
4314         (bit_value_unop): Handle UNDEFINED operands.
4315         (bit_value_binop): Likewise.
4316
4317 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4318
4319         * config/avr/avr.c (avr_replace_prefix): Remove.
4320         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4321         (avr_asm_function_rodata_section): Ditto.
4322         (avr_asm_select_section): Ditto.
4323
4324 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4325
4326         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4327         insertion.
4328
4329 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4330
4331         PR bootstrap/51648
4332         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4333         calls that have any non-fake successor edges.
4334
4335         PR debug/51746
4336         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4337
4338 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4339
4340         PR tree-optimization/51624
4341         * tree-sra.c (build_ref_for_model): When replicating a chain of
4342         COMPONENT_REFs, stop as soon as the offset would become negative.
4343
4344 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4345
4346         PR debug/51695
4347         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4348         in .debug_loc on the floor.
4349
4350 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4351
4352         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4353
4354 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4355             Adam Nemet  <anemet@caviumnetworks.com>
4356
4357         * config/mips/mips.md (size): Add SI and DI.
4358         (SIZE): New mode attribute.
4359         (U): New code attribute.
4360         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4361         (mips_lbux_<mode>): Delete.
4362         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4363         (mips_lhx): Use gen_mips_lhx_extsi.
4364         (mips_lhx_<mode>): Delete.
4365         (mips_lwx): Delete.
4366         (mips_l<size>x): New expand.
4367         (mips_lwx_<mode>): Delete.
4368         (mips_l<GPR:size>x_<P:mode>): New pattern.
4369         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4370         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4371         * config/mips/mips.c (mips_lx_address_p): New function.
4372         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4373         (dsp64): New availability predicate.
4374         (mips_builtins): Add an entry for __builtin_mips_ldx.
4375         * config/mips/mips.h (ISA_HAS_LBX): New define.
4376         (ISA_HAS_LBUX): Likewise.
4377         (ISA_HAS_LHX): Likewise.
4378         (ISA_HAS_LHUX): Likewise.
4379         (ISA_HAS_LWX): Likewise.
4380         (ISA_HAS_LWUX): Likewise.
4381         (ISA_HAS_LDX): Likewise.
4382         * doc/extend.texi (__builtin_mips_ldx): Document.
4383
4384 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4385
4386         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4387         when long pointers are used.
4388         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4389         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4390         (ia64-hp-*vms*): Remove.
4391         * config/vms/xm-vms64.h: Delete.
4392
4393 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4394
4395         PR middle-end/51472
4396         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4397
4398 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4399
4400         * opts.c (finish_options): Remove duplicate sorry.
4401
4402 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4403
4404         PR middle-end/51696
4405         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4406         correctly.
4407
4408 2012-01-04  Richard Guenther  <rguenther@suse.de>
4409
4410         PR middle-end/51750
4411         * tree.c (size_low_cst): New function.
4412         * tree.h (size_low_cst): Declare.
4413         * fold-const.c (fold_comparison): Use it to extract the low
4414         part of the POINTER_PLUS_EXPR offset.
4415
4416 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4417
4418         Fix clearing ZERO_REG
4419         * config/avr/avr.md (cc): Add alternative "ldi".
4420         (movqi_insn): Use it in cc attribute.
4421         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4422         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4423         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4424
4425 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4426
4427         * configure: Regenerate.
4428
4429 2012-01-04  Richard Guenther  <rguenther@suse.de>
4430
4431         PR tree-optimization/49651
4432         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4433         (var_can_have_subvars): Use it.
4434         (get_constraint_for_1): Only consider subfields if there can be any.
4435
4436 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4437
4438         PR bootstrap/51725
4439         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4440         to its new canonical_cselib_val and the cselib_val was in
4441         first_containing_mem chain, but the canonical_cselib_val was not,
4442         add the latter into the chain.
4443         (cselib_invalidate_mem): Compare canonical_cselib_val of
4444         addr_list chain elt with v.
4445
4446         PR pch/51722
4447         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4448         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4449         of xstrdup.
4450         (output_macinfo_op): Don't ggc_strdup fd->filename.
4451         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4452         then ggc_strdup it.  Don't free inc->info or cur->info.
4453         (output_macinfo): Don't free ref->info or file->info.
4454
4455 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4456
4457         PR tree-optimization/51269
4458         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4459         first_niters a pointer.
4460         (slpeel_tree_peel_loop_to_edge): Likewise.
4461         (vect_do_peeling_for_loop_bound): Update call to
4462         slpeel_tree_peel_loop_to_edge.
4463         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4464         here.  Remove it from the parameters list.
4465         (vect_do_peeling_for_alignment): Update calls and compute
4466         wide_prolog_niters.
4467
4468 2012-01-03  Richard Guenther  <rguenther@suse.de>
4469
4470         PR tree-optimization/51070
4471         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4472         Properly handle calls.
4473
4474 2012-01-03  Richard Guenther  <rguenther@suse.de>
4475
4476         PR tree-optimization/51692
4477         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4478         the LHS of allocation stmts.
4479
4480 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4481
4482         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4483
4484 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4485
4486         * collect2.c (main): In AIX specific computations for vector
4487         insertions, use CONST_CAST2 to cast from char ** to const char **.
4488
4489 2012-01-03  Richard Guenther  <rguenther@suse.de>
4490
4491         PR debug/51650
4492         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4493         the context of a limbo DIE when it does not already exist.
4494
4495 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4496
4497         PR tree-optimization/51719
4498         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4499         but direct call is, clear direct call's lhs and don't add fallthrough
4500         edge from dcall_bb to join_bb and PHIs.
4501
4502 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4503
4504         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4505         the instructions emitted by the pattern.
4506         ("*TDC_insn_<mode>"): Add comment.
4507
4508 2012-01-03  Richard Guenther  <rguenther@suse.de>
4509
4510         PR middle-end/51730
4511         * fold-const.c (fold_comparison): Properly canonicalize
4512         tree offset and HOST_WIDE_INT bit position.
4513
4514 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4515
4516         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4517         operands for extzv pattern.
4518
4519 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4520
4521         PR bootstrap/51725
4522         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4523         on mem_elt first.
4524
4525 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4526
4527         * doc/invoke.texi (-flto and related options): Copy-edit.
4528
4529 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4530
4531         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4532
4533 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4534
4535         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4536         New patterns.
4537
4538 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4539
4540         * expr.h (move_by_pieces_ninsns): Declare.
4541         * expr.c (move_by_pieces_ninsns): Make external.
4542         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4543         (mips_store_by_pieces_p): Likewise.
4544         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4545         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4546         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4547         (mips_store_by_pieces_p): Likewise.
4548
4549 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4550
4551         * passes.c (register_one_dump_file): Free full_name.
4552
4553         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4554         (calculate_elim_costs_all_insns): Free offsets_at and
4555         offsets_known_at at the end and clear the pointers.
4556
4557 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4558
4559         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4560         this option introduced in r180739.
4561
4562 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4563
4564         PR target/51345
4565         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4566         (tmake_file target=avr): Add avr/t-multilib.
4567
4568         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4569         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4570         * config/avr/genmultilib.awk: New file.
4571         * config/avr/t-multilib: New auto-generated file.
4572         * config/avr/multilib.h: New auto-generated file.
4573         * config/avr/t-avr (AVR_MCUS): New variable.
4574         (genopt.sh): Use it.
4575         (s-mlib): Depend on t-multilib.
4576         (t-multilib, multilib.h): New dependencies.
4577         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4578         (MULTILIB_OPTIONS): Remove.
4579         (MULTILIB_MATCHES): Remove.
4580         (MULTILIB_DIRNAMES): Remove.
4581         (MULTILIB_EXCEPTIONS): Remove:
4582         * config/avr/genopt.sh: Don't use hard coded file name;
4583         pass AVR_MCUS from t-avr instead.
4584
4585 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4586
4587         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4588
4589 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4590
4591         Implement light-weight DImode support.
4592         * config/avr/avr-dimode.md: New file.
4593         * config/avr/avr.md: Include it.
4594         (adjust_len): Add plus64, compare64.
4595         (HIDI): Remove code iterator.
4596         (code_stdname): New code attribute.
4597         (rotx, rotsmode): Remove DI.
4598         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4599         as code iterator.
4600         * config/avr/avr-protos.h (avr_have_dimode): New.
4601         (avr_out_plus64, avr_out_compare64): New.
4602         * config/avr/avr.c (avr_out_compare): Handle DImode.
4603         (avr_have_dimode): New variable definition and initialization.
4604         (avr_out_compare64, avr_out_plus64): New functions.
4605         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4606         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4607         (avr_compare_pattern): Skip DImode comparisons.
4608
4609 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4610
4611         * ddg.c (def_has_ccmode_p): New function.
4612         (add_cross_iteration_register_deps,
4613         create_ddg_dep_from_intra_loop_link): Call it.
4614
4615 2012-01-02  Richard Guenther  <rguenther@suse.de>
4616
4617         PR other/51679
4618         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4619
4620 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4621
4622         * gcc.c (process_command): Update copyright notice dates.
4623         * gcov.c (print_version): Likewise.
4624         * gcov-dump.c (print_version): Likewise.
4625         * mips-tfile.c (main): Likewise.
4626         * mips-tdump.c (main): Likewise.
4627
4628 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4629
4630         PR tree-optimization/51704
4631         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4632         a use is inside the basic block or loop before accessing its vect info.
4633
4634 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4635
4636         PR rtl-optimization/51069
4637         * cfgloopmanip.c (remove_path): Removing path making irreducible
4638         region unconditional makes BB part of the region.
4639
4640 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4641
4642         PR tree-optimization/51683
4643         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4644         calls with side-effects.
4645         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4646 \f
4647 Copyright (C) 2012 Free Software Foundation, Inc.
4648
4649 Copying and distribution of this file, with or without modification,
4650 are permitted in any medium without royalty provided the copyright
4651 notice and this notice are preserved.