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1 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * explow.c (probe_stack_range): Restore simple control flow and stop
4         again when the probe cannot be generated if HAVE_check_stack.
5
6 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
7
8         PR rtl-optimization/53519
9         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
10         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
11
12 2012-05-29  Richard Guenther  <rguenther@suse.de>
13
14         PR tree-optimization/53516
15         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
16         bitfield accesses.
17         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
18
19 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
20
21         Backport from mainline
22         2012-05-28  Richard Guenther  <rguenther@suse.de>
23
24         PR tree-optimization/53438
25         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
26
27 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
28
29         Backport from mainline
30         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
31
32         PR rtl-optimization/52528
33         * combine.c (can_combine_p): Add setting of subst_low_luid
34         before call to expand_field_assignment().
35
36 2012-05-26  Martin Jambor  <mjambor@suse.cz>
37
38         Backport from mainline
39         2012-05-23  Martin Jambor  <mjambor@suse.cz>
40
41         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
42
43 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
44
45         PR lto/52178
46         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
47         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
48
49 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
50
51         PR target/53435
52         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
53         (ix86_expand_vec_perm): Use int mode instead of float.
54
55 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
56
57         PR ada/52362
58         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
59         gnu_ld variables to yes.
60         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
61         (HAVE_GNU_AS): Likewise.
62         * config.in: Regenerate.
63         * configure: Likewise.
64
65 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
66
67         Backport from mainline
68         2012-03-12  Richard Guenther  <rguenther@suse.de>
69         * config/arm/arm.c (neon_dereference_pointer): Do not call
70         covert during RTL expansion.
71
72 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
73
74         Backport from mainline
75         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
76
77         PR target/53385
78         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
79         relied on signed overflow behavior.
80
81 2012-05-24  Richard Guenther  <rguenther@suse.de>
82
83         PR middle-end/53460
84         * tree-profile.c (tree_profiling): Cleanup the CFG if
85         execute_fixup_cfg requests it.
86
87 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
88
89         PR tree-optimization/53465
90         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
91         vr0 into *vr, then vrp_meet that.
92         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
93         have any equivalences.
94         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
95         first time.
96
97 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
98
99         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
100         size handling.
101         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
102         (iterative_hash_gimple_type): Adjust comment.
103         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
104         domain for an array type instead of the domain type itself.
105
106 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
107
108         Backport from 2012-05-23 mainline r187803
109
110         PR target/53448
111         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
112         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
113         ASM_OUTPUT_ALIGN.
114
115 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
116
117         Backport from 2012-05-03 mainline r187075
118
119         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
120         has_fma4 for AMD processors with both fma3 and fma4 support.
121
122 2012-05-22  Richard Guenther  <rguenther@suse.de>
123
124         PR tree-optimization/53408
125         * tree-vect-loop.c (vectorizable_induction): Properly check
126         the restriction that we cannot handle induction results from
127         the inner loop outside of the outer loop.
128
129 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
130
131         PR tree-optimization/53436
132         * omp-low.c (omp_build_component_ref): New function.
133         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
134
135         PR tree-optimization/53366
136         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
137         tests if complex_numbers == 2, but there are non-complex number loads
138         too.
139
140         PR tree-optimization/53409
141         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
142         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
143
144         PR tree-optimization/53410
145         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
146         instead of build_int_cst (type, 0) where vector types might be
147         involved.
148
149 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
150
151         PR c/53418
152         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
153         from folded operands before wrapping another around the
154         conditional expression.
155
156 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
157             Patrick Marlier  <patrick.marlier@gmail.com>
158
159         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
160         indirect calls.
161
162 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
163
164         Backport from mainline
165         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
166
167         PR target/53416
168         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
169         (UNSPECV_RDRAND): This.
170         (rdrand<mode>_1): Updated.
171
172 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
173
174         Backport from mainline
175         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
176
177         * config/i386/driver-i386.c (host_detect_local_cpu): Support
178         RDRND, F16C and FSGSBASE.
179
180 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
181
182         Backport from mainline
183         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
184
185         * tree-ssa-pre.c (can_value_number_call): Delete.
186         (compute_avail): Skip all statements with side effects.
187         <GIMPLE_CALL>: Skip calls to internal functions.
188
189 2012-05-18  David S. Miller  <davem@davemloft.net>
190
191         Backport r185385 from mainline
192         2012-03-14  Richard Guenther  <rguenther@suse.de>
193
194         PR middle-end/52584
195         * tree-vect-generic.c (type_for_widest_vector_mode): Take
196         element type instead of mode, use build_vector_type_for_mode
197         instead of the langhook, build a vector of proper signedness.
198         (expand_vector_operations_1): Adjust.
199
200 2012-05-18  Olivier Hainque  <hainque@adacore.com>
201
202         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
203         $(libsubdir) as libexecsubdir.
204
205 2012-05-16  Andrew Pinski  <apinski@cavium.com>
206
207         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
208         GIMPLE_ASSIGN.
209
210 2012-05-16  David S. Miller  <davem@davemloft.net>
211
212         * jump.c (delete_related_insns): If we remove a CALL, make sure
213         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
214
215 2012-05-16  Richard Henderson  <rth@redhat.com>
216
217         PR debug/52727
218         * combine-stack-adj.c (prev_active_insn_bb): New.
219         (next_active_insn_bb): New.
220         (force_move_args_size_note): New.
221         (combine_stack_adjustments_for_block): Use it.
222
223 2012-05-16  Olivier Hainque  <hainque@adacore.com>
224
225         * Makefile.in (install-no-fixedincludes): New target, former toplevel
226         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
227         Add comments and improve stamp preservation across the whole sequence.
228         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
229
230 2012-05-16  Richard Guenther  <rguenther@suse.de>
231
232         PR tree-optimization/53364
233         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
234         detect a view-conversion of the decl.
235
236 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
237
238         PR target/53358
239         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
240         that operands[2] is either immediate, or q_regs_operand.
241
242 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
243
244         Backport r187139 from mainline.
245         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
246
247         PR rtl-optimization/52804
248         * reload1.c (reload_reg_reaches_end_p): Check whether successor
249         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
250         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
251         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
252         RELOAD_FOR_OUTADDR_ADDRESS.
253
254 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
255
256         PR target/46098
257         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
258         generate target register for "load" class builtins.
259
260         Revert:
261         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
262
263         PR target/46098
264         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
265         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
266         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
267         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
268         (<sse>_movu<ssemodesuffix>): New expander.
269         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
270         (avx_movdqu<avxmodesuffix>): New expander.
271         (*sse2_movdqu): Rename from sse2_movdqu.
272         (sse2_movdqu): New expander.
273
274 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
275
276         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
277         lineno 1 the same as lineno 0 before first start file directive.
278         (optimize_macinfo_range): Likewise.
279
280         * dwarf2out.c (have_macinfo): Define.
281         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
282         attribute, don't force empty compilation unit and don't emit any
283         .debug_macinfo/.debug_macro section if macinfo_table is empty.
284
285 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
286
287         Backport from mainline
288         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
289
290         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
291         ORDERED and UNORDERED conditions.
292
293 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
294
295         * function.c (requires_stack_frame_p): If the function can throw
296         non-call exceptions, return true if the insn can throw internally.
297
298 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
299
300         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
301         DECL_ORIGINAL_TYPE if it is present.
302
303 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
304
305         Backport from 2012-05-12 mainline r187342.
306
307         PR target/53256
308         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
309         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
310         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
311         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
312         (expand_prologue): Move initialization of cfun->machine->is_naked,
313         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
314         (avr_set_current_function): ...this new static function.
315         (TARGET_SET_CURRENT_FUNCTION): New define.
316         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
317         checking attributes of current_function_decl.
318         (avr_regs_to_save): Ditto.
319         (signal_function_p): Rename to avr_signal_function_p.
320         (interrupt_function_p): Rename to avr_interrupt_function_p.
321
322         * doc/extend.texi (Function Attributes): Better explanation of
323         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
324         alphabetical order.
325
326 2012-05-09  Matthias Klose  <doko@ubuntu.com>
327
328         * gcc-ar.c (main): Don't check for execute bits for the plugin.
329
330 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
331
332         PR target/53272
333         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
334         when a constant source operand matches an "I" constraint, the "no
335         CC0 change" applies to a register-destination only, not a
336         strict_low_part-destination.
337
338 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
339
340         Backport from mainline:
341         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
342
343         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
344
345 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
346
347         PR tree-optimization/53239
348         * tree-vrp.c (get_value_range): Set VR of
349         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
350         to nonnull.
351
352 2012-05-07  Richard Guenther  <rguenther@suse.de>
353
354         PR tree-optimization/53195
355         * tree-inline.c (setup_one_parameter): Properly add referenced
356         vars from the parameters new known value.
357
358 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
359
360         Backport from mainline:
361         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
362
363         PR target/52999
364         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
365         in constant pool.
366
367 2012-05-04  Ian Lance Taylor  <iant@google.com>
368
369         * tree-vect-patterns.c (vect_single_imm_use): Correct return
370         values from false to NULL.
371
372 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
373
374         Backport from mainline
375         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
376
377         PR target/53228
378         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
379         (TARGET_CMOV): Rename from TARGET_CMOVE.
380         (TARGET_CMOVE): New define.
381         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
382         Do not set TARGET_CMOVE here.
383
384 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
385
386         Backport from mainline:
387
388         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
389
390         PR tree-optimization/52633
391         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
392         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
393         (vect_recog_over_widening_pattern): Remove handling of code that was
394         already detected as over-widening pattern.  Remove special handling
395         of "unsigned" cases.  Instead, support general case of conversion
396         of the shift result to another type.
397
398         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
399
400         * tree-vect-patterns.c (vect_single_imm_use): New function.
401         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
402         (vect_recog_over_widening_pattern): Likewise.
403         (vect_recog_widen_shift_pattern): Likewise.
404
405         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
406
407         PR tree-optimization/52870
408         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
409         presumed pattern statement is within the same loop or basic block.
410
411 2012-05-04  Richard Guenther  <rguenther@suse.de>
412
413         * common.opt (flto-report): Do not mark as Optimization.
414
415 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
416
417         PR target/48496
418         * recog.c (constrain_operands): If extra constraints are present, also
419         accept pseudo-registers with equivalent memory locations during reload.
420
421 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
422
423         Backport from the mainline
424         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
425
426         PR target/53199
427         * config/rs6000/rs6000.md (bswapdi splitters): If
428         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
429         default) is used, generate an alternate sequence that does not
430         depend on using indexed addressing.
431
432 2012-05-03  David S. Miller  <davem@davemloft.net>
433
434         PR target/52684
435         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
436         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
437         (sparc_emit_float_lib_cmp): Likewise.
438
439 2012-05-04  Martin Jambor  <mjambor@suse.cz>
440
441         Backport from mainline
442         2012-05-02  Martin Jambor  <mjambor@suse.cz>
443
444         PR lto/52605
445         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
446         of a variable when the contect is a function.
447
448 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
449
450         PR plugins/53126
451         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
452         append program name to it and pass that as first argument
453         to make_relative_prefix.  Always pass standard_libexec_prefix
454         as last argument to make_relative_prefix.  If
455         make_relative_prefix returns NULL, fall back to
456         standard_libexec_prefix.
457
458         PR debug/53174
459         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
460         removed.
461
462         PR target/53187
463         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
464         mode, return that mode.
465
466 2012-05-03  Richard Guenther  <rguenther@suse.de>
467
468         PR tree-optimization/53144
469         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
470         Rename to ...
471         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
472         with SSA name values.
473         (vn_reference_lookup_3): Adjust callers.
474
475 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
476
477         PR tree-optimization/53163
478         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
479         return value from compute_all_dependences.
480
481         PR rtl-optimization/53160
482         * ree.c (combine_reaching_defs): Handle the case where cand->insn
483         has been modified by ree pass already.
484
485 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
486
487         Backport from mainline
488         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
489
490         PR middle-end/53136
491         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
492         calls to cgraph_node_name in xstrdup.
493         (ipa_make_edge_direct_to_target): Ditto.
494         * tree-sra.c (convert_callers_for_node): Ditto.
495         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
496         * ipa-cp.c (perhaps_add_new_callers): Ditto.
497         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
498         (cgraph_materialize_all_clones): Ditto.
499         * ipa-inline.c (report_inline_failed_reason): Ditto.
500         (want_early_inline_function_p): Ditto.
501         (edge_badness): Ditto.
502         (update_edge_key): Ditto.
503         (flatten_function): Ditto.
504         (ipa_inline): Ditto.
505         (inline_always_inline_functions): Ditto.
506         (early_inline_small_functions): Ditto.
507
508 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
509
510         Backport from mainline
511         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
512
513         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
514         Introduce emul_name to select the right linker emulation for
515         powerpc64-*-freebsd*.
516         * configure: Regenerate.
517         * config.gcc: Add bits to support powerpc64-*-freebsd*.
518         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
519         * config/rs6000/freebsd64.h: New file.
520         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
521         POWERPC_FREEBSD.
522         (rs6000_savres_strategy): Likewise.
523         (rs6000_savres_routine_name): Likewise.
524         (rs6000_elf_file_end): Likewise.
525         * config/rs6000/t-freebsd64: New file.
526         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
527         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
528
529 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
530
531         Backport from mainline
532         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
533
534         PR target/53138
535         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
536
537 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
538
539         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
540         predicate to discriminate types.
541
542 2012-04-27  Richard Guenther  <rguenther@suse.de>
543
544         PR c/51527
545         * convert.c (convert_to_integer): Avoid infinite recursion for
546         target-defined built-in types.
547
548 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
549
550         PR target/53120
551         * config/cris/cris.md ("*andhi_lowpart_v32")
552         ("*andqi_lowpart_v32"): Change first input-only operand from
553         a (match_operand ...) to (match_dup 0).  Drop alternatives with
554         const_int-matching constraints for redundancy.
555         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
556         three-operand alternative.
557
558 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
559
560         Backport from mainline
561         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
562
563         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
564         (*addsi_2_zext): Ditto.
565         (*add<mode>_3): Ditto.
566         (*addsi_3_zext): Ditto.
567         (*add<mode>_5): Ditto.
568
569 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
570
571         PR c/52880
572         * c-typeck.c (set_nonincremental_init,
573         set_nonincremental_init_from_string): Pass true instead of false
574         as IMPLICIT to add_pending_init.
575
576 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
577
578         Backport from 2012-04-24 mainline r186768.
579
580         PR target/53065
581         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
582
583 2012-04-24  Richard Guenther  <rguenther@suse.de>
584
585         PR tree-optimization/53085
586         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
587         stores.
588
589 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
590
591         PR middle-end/53084
592         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
593         of MEM_REF.
594         (output_addressed_constants): Likewise.
595
596         PR middle-end/52999
597         * varasm.c (get_section): Don't ICE for section conflicts with
598         built-in section kinds.
599
600 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
601
602         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
603
604 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
605
606         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
607
608 2012-04-23  Richard Guenther  <rguenther@suse.de>
609
610         PR c/53060
611         * c-typeck.c (build_binary_op): Fix typo.
612
613 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
614
615         PR tree-optimizations/52891
616         * tree-vect-patterns.c (adjust_bool_pattern): Use
617         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
618         but with non-standard precision.
619
620 2012-04-22  Ian Lance Taylor  <iant@google.com>
621
622         * godump.c (go_output_typedef): Dump size of structs.
623
624 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
625
626         Backport from mainline:
627
628         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
629         hints for 'A' operand types.
630
631 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
632
633         Backport from 2012-04-19 mainline r186588.
634
635         PR target/53033
636         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
637         the case *(X+const).
638
639 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
640
641         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
642
643 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
644
645         PR target/53020
646         * config/i386/sync.md (atomic_<code><mode>): Rename to
647         atomic_<logic><mode>.
648
649 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
650
651         Backport from mainline
652         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
653
654         PR target/52932
655         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
656         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
657         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
658         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
659         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
660         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
661         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
662         gen_avx2_permvarv8sf.
663
664 2012-04-16  Martin Jambor  <mjambor@suse.cz>
665
666         Backported from mainline
667
668         2012-04-13  Martin Jambor  <mjambor@suse.cz>
669         PR middle-end/52939
670
671         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
672         fold_ctor_reference returns a zero constant.
673
674 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
675
676         Backported from mainline
677         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
678
679         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
680         and __ILP32__ for x32.
681
682 2012-04-13  Tom de Vries  <tom@codesourcery.com>
683
684         Backport from mainline r186418.
685
686         2012-04-13  Tom de Vries  <tom@codesourcery.com>
687
688         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
689         parameters vuse and vuse_escaped.
690         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
691         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
692         vuse1 != vuse2.
693
694 2012-04-13  Richard Guenther  <rguenther@suse.de>
695
696         PR tree-optimization/52969
697         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
698         the condition for the COND_EXPR and handle predicate negation
699         by swapping the COND_EXPR arms.
700
701 2012-04-13  Richard Guenther  <rguenther@suse.de>
702
703         PR c/52862
704         * convert.c (convert_to_pointer): Remove special-casing of
705         zero.
706
707 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
708
709         Backport from mainline
710         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
711
712         PR target/52775
713         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
714         the list of options to enable the FCFID instruction.
715         (TARGET_EXTRA_BUILTINS): Adjust comment.
716
717 2012-04-12  Richard Guenther  <rguenther@suse.de>
718
719         PR tree-optimization/52943
720         * tree-chrec.h (chrec_is_positive): Remove.
721         * tree-scalar-evolution.c (chrec_is_positive): Move ...
722         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
723         Return false for a constant zero instead of negative.
724         (analyze_siv_subscript_cst_affine): Handle zero difference
725         in the initial condition explicitely.
726
727 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
728
729         PR middle-end/52894
730         * varasm.c (process_pending_assemble_externals): Set
731         pending_assemble_externals_processed true.
732         (assemble_external): Call assemble_external_real if the pending
733         assemble externals have been processed.
734
735 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
736
737         PR target/52717
738         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
739         the DECL generated for the special GOT helper.
740
741 2012-04-06  Walter Lee  <walt@tilera.com>
742
743         Backport from mainline
744         2012-03-07  Walter Lee  <walt@tilera.com>
745
746         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
747         REG_CFA_* notes for the stack pointer.
748         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
749         EH_RETURN_STACKADJ_RTX.
750         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
751         generate REG_CFA_* notes for the stack pointer.
752         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
753         by EH_RETURN_STACKADJ_RTX.
754
755 2012-04-06  Matt Turner  <mattst88@gmail.com>
756
757         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
758
759 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
760
761         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
762         of the destination isn't also a FP_REGS register.
763
764 2012-04-03  Richard Guenther  <rguenther@suse.de>
765
766         Backport from mainline
767         2012-03-02  Richard Guenther  <rguenther@suse.de>
768
769         PR tree-optimization/52406
770         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
771         (struct indices): Add unconstrained_base member.
772         (struct dr_alias): Remove unused vops member.
773         (DR_UNCONSTRAINED_BASE): New define.
774         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
775         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
776         be an artificial access that covers the whole indexed object,
777         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
778         plain decl base-objects to their MEM_REF variant.
779         (dr_may_alias_p): When the base-object of either data reference
780         has unknown size use only points-to information.
781         (compute_affine_dependence): Make dumps easier to read and
782         more verbose.
783         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
784         DR_REF when looking for packed references.
785         (vect_supportable_dr_alignment): Likewise.
786
787 2012-04-03  Richard Guenther  <rguenther@suse.de>
788
789         Backport from mainline
790         2012-03-15  Richard Guenther  <rguenther@suse.de>
791
792         PR middle-end/52580
793         * tree-data-ref.c (subscript_dependence_tester_1): Check
794         all dimensions for non-conflicting access functions.
795
796 2012-04-03  Richard Guenther  <rguenther@suse.de>
797
798         Backport from mainline
799         2012-03-06  Richard Guenther  <rguenther@suse.de>
800
801         PR middle-end/52493
802         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
803
804         2012-03-23  Richard Guenther  <rguenther@suse.de>
805
806         PR tree-optimization/52678
807         * tree-vectorizer.h (struct _stmt_vec_info): Add
808         loop_phi_evolution_part member.
809         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
810         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
811         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
812         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
813         Use the cached evolution part and the PHI nodes value from
814         the loop preheader edge instead of re-analyzing the evolution.
815
816         2012-03-26  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/52701
819         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
820         compute and set the evolution part of PHI nodes.
821
822         2012-03-30  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/52754
825         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
826         propagate arbitrary addresses into really plain dereferences.
827
828 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
829
830         PR tree-optimization/52835
831         * tree-data-ref.c (build_rdg): Return NULL if
832         compute_data_dependences_for_loop failed.
833
834 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
835
836         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
837         (stmt_can_make_abnormal_goto): Use it.
838         (is_ctrl_altering_stmt): Likewise.
839
840 2012-03-31  Martin Jambor  <mjambor@suse.cz>
841
842         Backported from mainline
843         2012-03-30  Martin Jambor  <mjambor@suse.cz>
844
845         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
846         is a builtin_stack_save in a dominating BB.
847
848 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
849
850         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
851         crossing 128bit lane boundary.
852
853 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
854
855         Backported from mainline
856         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
857
858         PR target/52698
859         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
860         New prototype.
861         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
862         * config/i386/i386.c: Include reload.h.
863         (ix86_legitimize_reload_address): New function.
864
865 2012-03-28  Martin Jambor  <mjambor@suse.cz>
866
867         Backported from mainline
868         2012-03-27  Martin Jambor  <mjambor@suse.cz>
869
870         PR middle-end/52693
871         * tree-sra.c (sra_modify_assign): Do not call
872         load_assign_lhs_subreplacements when working with an unscalarizable
873         region.
874
875 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
876
877         PR middle-end/52691
878         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
879         __builtin_va_start to __builtin_next_arg if the latter is
880         builtin_decl_explicit_p rather than when it is not.
881
882         PR middle-end/52750
883         * tree-vect-generic.c (vector_element): Perform multiplication
884         for pos in bitsizetype type instead of idx type.
885
886 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
887
888         Backport from 2012-03-28 mainline r185910.
889
890         PR target/52692
891         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
892         (avr_builtin_decl): New static function.
893         (struct avr_builtin_description, avr_bdesc): Move up.
894         Add GTY marker. Add field fndecl. Remove redundant field id.
895         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
896         (avr_expand_builtin): Code cleanup because .id is removed.
897
898 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
899
900         PR middle-end/51893
901         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
902         targets.
903
904 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
905
906         Backport from 2012-03-28 mainline r185907.
907
908         PR target/52737
909         * config.gcc (tm_file): Remove avr/multilib.h.
910
911         * doc/invoke.texi (AVR Options): Adjust
912         documentation of -mtiny-stack.
913
914         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
915         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
916         * config/avr/t-avr: Remove generation of multilib.h.
917         * config/avr/t-multilib: Regenerate.
918         * config/avr/multilib.h: Remove.
919         * config/avr/avr.opt (-msp8): New option.
920         (avr_sp8): New variable.
921         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
922         * config/avr/avr.h (AVR_HAVE_SPH): New define.
923         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
924         (avr_device_to_sp8): New prototype.
925         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
926         (DRIVER_SELF_SPECS): New define.
927         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
928         __AVR_SP8__, __AVR_HAVE_SPH__.
929         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
930         AVR_HAVE_8BIT_SP to decide if SP_H is present.
931         (avr_file_start): Ditto.
932
933 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
934
935         PR target/52736
936         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
937         instead of 8 in adjust_address.
938
939 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
940
941         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
942         of a unit before computing the offset in units.
943
944 2012-03-27  Richard Guenther  <rguenther@suse.de>
945
946         PR middle-end/52720
947         * fold-const.c (try_move_mult_to_index): Handle &x.array more
948         explicitely.
949
950 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
951
952         PR target/52610
953         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
954
955 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
956
957         PR middle-end/52640
958         * varasm.c: Include pointer-set.h.
959         (pending_assemble_externals_set): New pointer set.
960         (process_pending_assemble_externals): Destroy the pointer set.
961         (assemble_external): See if decl is in pending_assemble_externals_set,
962         and add it to pending_assemble_externals if necessary.
963         (init_varasm_once): Allocate pending_assemble_externals_set.
964
965 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
966
967         Backported from mainline
968         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
969
970         PR target/50310
971         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
972         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
973         (vector_ltgt<mode>): Likewise.
974         (vector_ordered<mode>): Likewise.
975         (vector_unordered<mode>): Likewise.
976         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
977
978 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
979
980         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
981         Make static.
982
983 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
984
985         Backported from mainline
986         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
987
988         PR target/48596
989         PR target/48806
990         * config/sh/sh.c (sh_register_move_cost): Increase cost between
991         GENERAL_REGS and FP_REGS for SImode.
992
993 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
994
995         PR middle-end/52547
996         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
997         on any new_local_var_chain vars declared during recursing on
998         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
999
1000 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1001
1002         Backport from 2012-03-22 mainline r185692.
1003
1004         PR target/52496
1005         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1006         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1007         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1008         (delay_cycles_1, delay_cycles_2): Ditto.
1009         (delay_cycles_3, delay_cycles_4): Ditto.
1010         (nopv, *nopv): Ditto.
1011         (sleep, *sleep): Ditto.
1012         (wdr, *wdr): Ditto.
1013
1014         Backport from 2012-03-21 mainline r185605.
1015
1016         PR rtl-optimization/52543
1017         PR target/52461
1018         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1019         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1020         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1021         (avr_load_libgcc_p): Restrict to __flash loads.
1022         (avr_out_lpm): Only handle 1-byte loads from __flash.
1023         (avr_load_lpm): New function.
1024         (avr_find_unused_d_reg): Remove.
1025         (avr_out_lpm_no_lpmx): Remove.
1026         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1027         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1028         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1029         (load_<mode>, load_<mode>_clobber): New insns.
1030         (mov<mode>): For multi-byte move from non-generic
1031         16-bit address spaces: Expand to load_<mode> resp.
1032         load_<mode>_clobber.
1033         (load<mode>_libgcc): Remove expander.
1034         (split-lpmx): Remove split.
1035
1036         Backport from 2012-03-13 mainline r185329.
1037
1038         PR target/52488
1039         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1040         offset (size) to a value the insns can deal with.
1041         (expand_epilogue): Ditto.
1042
1043         Backport from 2012-03-12 mainline r185256.
1044
1045         PR target/52499
1046         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1047         type from reg_class_t to enum reg_class.
1048         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1049
1050         Backport from 2012-03-12 mainline r185253.
1051
1052         PR target/52148
1053         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1054         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1055         r184615 from 2012-02-28.
1056
1057         Backport from 2012-03-08 mainline r185105.
1058
1059         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1060         for constants in [-63,63].
1061
1062         Backport from 2012-03-08 mainline r185100.
1063
1064         PR target/52496
1065         * config/avr/avr.c (avr_mem_clobber): New static function.
1066         (avr_expand_delay_cycles): Add memory clobber operand to
1067         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1068         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1069         (enable_interrupt, disable_interrupt): New expander.
1070         (nopv, sleep, wdr): New expanders.
1071         (delay_cycles_1): Add memory clobber.
1072         (delay_cycles_2): Add memory clobber.
1073         (delay_cycles_3): Add memory clobber.
1074         (delay_cycles_4): Add memory clobber.
1075         (cli_sei): New insn from former "enable_interrupt",
1076         "disable_interrupt" with memory clobber.
1077         (*wdt): New insn from former "wdt" with memory clobber.
1078         (*nopv): Similar, but for "nopv".
1079         (*sleep): Similar, but for "sleep".
1080
1081         Backport from 2012-03-07 mainline r185043.
1082
1083         PR target/52484
1084         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1085
1086         Backport from 2012-03-07 mainline r185032.
1087
1088         PR target/52506
1089         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1090         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1091         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1092
1093         Backport from 2012-03-07 mainline r185031.
1094
1095         PR target/52505
1096         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1097         from RAM.
1098         * config/avr/avr.md (xload_8): Adjust insn length.
1099
1100         Backport from 2012-03-07 mainline r185030.
1101
1102         PR target/52461
1103         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1104         if RAMPZ affects reading from RAM.
1105
1106         Backport from 2012-03-05 mainline r184919.
1107
1108         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1109
1110 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1111
1112         Backport from mainline r185259.
1113
1114         PR other/52545
1115         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1116         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1117
1118 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1119
1120         Backported from mainline
1121         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR c/52577
1124         * c-parser.c (c_parser_postfix_expression)
1125         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1126
1127         * config/i386/smmintrin.h: Avoid /* within a comment.
1128         * config/i386/nmmintrin.h: Likewise.
1129
1130 2012-03-22  Richard Guenther  <rguenther@suse.de>
1131
1132         * BASE-VER: Set to 4.7.1.
1133         * DEV-PHASE: Set to prerelease.
1134
1135 2012-03-22  Release Manager
1136
1137         * GCC 4.7.0 released.
1138
1139 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1140
1141         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1142
1143 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1144             Andrew Pinski  <apinski@cavium.com>
1145
1146         PR middle-end/52592
1147         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1148         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1149         calls instead of __builtin_ir{int,ound}*.
1150
1151 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1152
1153         PR c++/52582
1154         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1155         if c_node is NULL.
1156
1157 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1158
1159         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1160         Refer to GCC 4.7 version of c99status.html.
1161
1162 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1163
1164         Backport from mainline
1165         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1166
1167         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1168         redefine to be NULL if the current bit-size is different from the
1169         configured bit-size.
1170
1171         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1172         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1173         set the default tuning.  Add asserts to make sure the cpu and tune
1174         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1175         test whether the index is set, instead of > 0.
1176         (rs6000_file_start): Do not reset the default cpu if the current
1177         bit-size is different from the configured bit-size.
1178
1179 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1180
1181         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1182         binutils reference.
1183         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1184         Update binutils references.
1185         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1186         Update binutils reference.
1187         Update Sun as/GNU ld caveat.
1188         Document binutils largefile requirement for LTO plugin.
1189         Remove reference to alternate libpthread.
1190
1191 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1192
1193         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1194         reference.
1195         (Specific, mips-sgi-irix6): Likewise.
1196
1197 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1198
1199         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1200         * configure: Regenerate.
1201
1202 2012-03-07  Richard Henderson  <rth@redhat.com>
1203
1204         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1205         * config/m68k/sync.md (atomic_test_and_set): Use it.
1206         (atomic_test_and_set_1): Likewise.
1207
1208 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1209
1210         PR target/51417
1211         * Makefile.in: Let install-gcc-ar depend on installdirs,
1212         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1213         Don't double canonicalize if cross-compiling.
1214
1215 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1216
1217         * trans-mem.c: New typedef for tm_region_p.
1218         Define vector types for tm_region_p.
1219         (tm_region_init): Replace region_worklist to a vector called
1220         bb_regions.
1221
1222 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1223
1224         PR middle-end/52463
1225         * trans-mem.c (tm_region_init): Use last_basic_block.
1226
1227 2012-03-05  Richard Henderson  <rth@redhat.com>
1228
1229         PR tree-opt/52242
1230         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1231         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1232         BIGGEST_ALIGNMENT is aligned.
1233
1234 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1235
1236         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1237
1238 2012-03-05  Richard Henderson  <rth@redhat.com>
1239
1240         PR target/52481
1241         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1242         instead of calling negqi2 directly.
1243
1244 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1245
1246         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1247         (INTMAX_TYPE): Use it.
1248         (UINTMAX_TYPE): Likewise.
1249         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1250         (irix6_c_common_override_options): Declare.
1251         (C_COMMON_OVERRIDE_OPTIONS): Define.
1252         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1253         * config/mips/irix6-c.c: New file.
1254         * config/mips/t-irix6 (irix6-c.o): New target.
1255         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1256         cxx_target_objs.
1257
1258 2012-03-02  Richard Henderson  <rth@redhat.com>
1259
1260         * optabs.c (expand_atomic_test_and_set): Honor
1261         atomic_test_and_set_trueval even when atomic_test_and_set
1262         optab is not in use.
1263
1264 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1265
1266         Backport from mainline
1267         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1268
1269         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1270
1271 2012-03-02  Richard Guenther  <rguenther@suse.de>
1272
1273         * DEV-PHASE: Set to prerelease.
1274
1275 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1276
1277         * config.gcc (obsolete): Add all ARM targets using the FPA.
1278         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1279         * doc/install.texi: Avoid references to obsolete ARM ports.
1280
1281 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1282
1283         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1284
1285 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1286             Joern Rennecke  <joern.rennecke@embecosm.com>
1287
1288         * doc/extend.texi: Expand and update information on interrupt
1289         attribute for Epiphany.
1290
1291 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1292
1293         * config/sh/sh-protos.h: Update copyright notice dates.
1294         * config/sh/sh.h: Likewise.
1295         * config/sh/sh.md: Likewise.
1296         * config/sh/constraints.md: Likewise.
1297         * config/sh/predicates.md: Likewise.
1298
1299 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1300
1301         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1302         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1303
1304 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1305
1306         * config/sh/constraints.md: Fix comment typo.
1307
1308 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1309
1310         PR target/52408
1311         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1312         unsigned HOST_WIDE_INT.
1313         (zvdep_imm64): Likewise.
1314         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1315         (vdepi_and): Likewise.
1316         Likewise for unamed 64-bit patterns.
1317         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1318
1319 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1320
1321         PR debug/52001
1322         PR rtl-optimization/52417
1323         * cselib.c (cselib_any_perm_equivs): New variable.
1324         (cselib_reset_table): Check that it's not set when not
1325         preserving constants.
1326         (cselib_add_permanent_equiv): Set it.
1327         (cselib_have_permanent_equivalences): New.
1328         (cselib_init, cselib_finish): Reset it.
1329         * cselib.h (cselib_have_permanent_equivalences): Declare.
1330         * alias.c (get_addr): Restore earlier behavior when there
1331         aren't permanent equivalences.
1332
1333 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1334
1335         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1336         * config/v850/v850-modes.def: Fix copyright notice.
1337
1338 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1339
1340         * doc/extend.texi (AVR Built-in Functions): Document
1341         __builtin_avr_flash_segment.
1342
1343         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1344         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1345         (*split.flash_segment): New insn-and-split.
1346         * config/avr/avr.c (avr_init_builtins): Add local variables:
1347         const_memx_void_node, const_memx_ptr_type_node,
1348         char_ftype_const_memx_ptr.
1349
1350 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR tree-optimization/52445
1353         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1354         add ssa_name_ver, offset and size fields and change store field
1355         to bool.
1356         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1357         (add_or_mark_expr): Likewise.  Only consider previous stores
1358         with the same size and offset.
1359         (nt_init_block): Only look at gimple_assign_single_p stmts,
1360         doesn't look at rhs2.
1361
1362 2012-03-01  Richard Guenther  <rguenther@suse.de>
1363
1364         PR middle-end/52443
1365         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1366         conversions from integral types to pointer types.
1367
1368 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1369
1370         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1371         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1372         unintentionally removed in r184616.
1373
1374 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1375
1376         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1377         3DNow from bdver1.
1378
1379 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1380             Uros Bizjak  <ubizjak@gmail.com>
1381
1382         PR target/52437
1383         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1384         alternatives, add "e" constraint to the new last alternative
1385         and ! to last 3 alternatives.
1386
1387 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1388
1389         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1390         DW_AT_artificial attributes at the end of the processing.
1391         (gen_array_type_die): Likewise.
1392         (gen_enumeration_type_die): Likewise.
1393         (gen_struct_or_union_type_die): Likewise.
1394         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1395         the parent type.
1396
1397 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1398
1399         PR middle-end/52419
1400         * expr.c (expand_assignment): If doing misaligned store that doesn't
1401         cover all mode bits, perform a RMW cycle.
1402
1403         PR tree-optimization/52429
1404         * tree-parloops.c (separate_decls_in_region_debug): Return early
1405         if var is LABEL_DECL.
1406
1407 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1408
1409         PR tree-optimization/52424
1410         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1411         calling dom_thread_across_edge.
1412
1413 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1414
1415         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1416
1417 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1418
1419         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1420         * config/avr/avr.c (avr_output_bld): Remove unused function.
1421         (avr_out_sbxx_branch): Use "%T" to print bit position.
1422
1423 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1424
1425         * config/avr/avr.md: Untabify.
1426
1427 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1428
1429         * config/avr/avr.md (eqne): New code iterator.
1430         (*dec-and-branchsi): Use it in text peephole's condition.
1431         (*dec-and-branchhi): Ditto.
1432         (*dec-and-branchqi): Ditto.
1433
1434 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1435
1436         PR target/49939
1437         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1438         the device does not have the skip-bug.
1439
1440 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1441
1442         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1443         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1444         -mpretend-cmove): New.
1445
1446 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1447
1448         PR bootstrap/52397
1449         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1450         doesn't count DEBUG_INSN refs.
1451         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1452         for DEBUG_INSN refs.
1453
1454 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1455
1456         Partially revert:
1457
1458         2012-02-20  Richard Guenther  <rguenther@suse.de>
1459         PR tree-optimization/52298
1460         * tree-vect-stmts.c (vectorizable_load): Properly use
1461         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1462         outer loops.
1463
1464 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1465
1466         PR middle-end/51752
1467         * gimple.h (gimple_in_transaction): New.
1468         (gimple_set_in_transaction): New.
1469         (struct gimple_statement_base): Add in_transaction field.
1470         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1471         transaction loads.
1472         (tree_ssa_lim_initialize): Compute transaction bits.
1473         * tree.h (compute_transaction_bits): Protoize.
1474         * trans-mem.c (tm_region_init): Use the heap to store BB
1475         auxilliary data.
1476         (compute_transaction_bits): New.
1477
1478 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1479
1480         * gcc.c (display_help): Document --help=common and sort entries
1481         alphabetically.
1482
1483 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1484
1485         * doc/install.texi: Document check-$LANG specific shortcuts
1486
1487 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1488
1489         PR target/51534
1490         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1491         and vcgtu.
1492         * config/arm/arm_neon.h: Regenerate.
1493         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1494         (neon_vcgeu): New insn.
1495         (neon_vcgtu): Likewise.
1496         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1497         (ops): Unsigned comparison intrinsics call a different
1498         builtin.
1499
1500 2012-02-28  Richard Guenther  <rguenther@suse.de>
1501
1502         PR target/52407
1503         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1504         ordering for the VEC_CONCAT for two element vectors for
1505         V2SFmode, V2SImode and V2DImode.
1506
1507 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1508
1509         PR target/49448
1510         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1511         detecting big-endian triplets.
1512
1513 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1514
1515         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1516         mode if there is no type information available.
1517
1518 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1519
1520         PR tree-optimization/53207
1521         * doc/invoke.texi: Document as experimental and relying on graphite.
1522
1523 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1524
1525         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1526         of initializer to changes from r184614.
1527
1528 2012-02-28  Richard Guenther  <rguenther@suse.de>
1529
1530         PR tree-optimization/52395
1531         * tree-sra.c (build_ref_for_offset): Also look at the base
1532         TYPE_ALIGN when figuring out the alignment of the replacement.
1533
1534 2012-02-28  Richard Guenther  <rguenther@suse.de>
1535
1536         PR tree-optimization/52402
1537         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1538         mis-aligned types when creating the accesses at the call site.
1539
1540 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1541
1542         * config/avr/builtins.def: New file.
1543         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1544         * config/avr/avr.c (enum avr_builtin_id): Use it.
1545         (avr_init_builtins): Use it. And use avr_bdesc.
1546         (bdesc_1arg): Remove.
1547         (bdesc_2arg): Remove.
1548         (bdesc_3arg): Remove.
1549         (struct avr_builtin_description): Add field n_args.
1550         (avr_bdesc): New static variable using builtins.def.
1551         (avr_expand_builtin): Use it.
1552         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1553         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1554         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1555
1556 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1557
1558         PR target/52148
1559         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1560         match only one single hard register with respective hard reg rtx.
1561         (movmemx_<mode>): Ditto.
1562         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1563         insn anatomy of movmem[x]_<mode>.
1564         (avr_out_movmem): Same for printing assembler and operand usage.
1565
1566 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1567
1568         PR target/49868
1569         PR target/52261
1570         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1571         address spaces located outside of device flash.
1572
1573         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1574         (mcu_type_s): Add field n_flash.
1575         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1576         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1577         (AVR_MCU): Add N_FLASH argument.
1578         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1579         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1580         macro __FLASH<n> if that address space makes sense for the device.
1581         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1582         outside of target flash.
1583         (avr_asm_named_section): Ditto.
1584         (avr_asm_select_section): Ditto.
1585         (avr_addr_space_convert): Ditto.
1586         (avr_emit_movmemhi): Ditto.
1587         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1588         address space is outside of device flash.
1589         (avr_insert_attributes): Ditto.
1590         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1591         avr_current_arch->n_segments.
1592
1593 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1594
1595         PR target/52352
1596         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1597         TARGET_LP64.
1598         (*movabs<mode>_2): Likewise.
1599
1600 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1601
1602         PR target/52375
1603         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1604         s_register_operand in the test instead of REG_P.  Don't call
1605         gen_reg_rtx if it won't be used.
1606
1607         PR tree-optimization/52376
1608         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1609
1610 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1611
1612         * ifcvt.c (noce_get_condition): Check condition variable is not
1613         small_register_classes_for_mode_p before accepting.
1614
1615 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1616
1617         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1618
1619 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1620
1621         Revert:
1622         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1623         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1624         tuning parameters.
1625         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1626
1627 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1628
1629         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1630
1631 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1632
1633         * config/sh/predicates.md: Remove blank lines.
1634         * config/sh/sh.c: Fix typos in comments.
1635         * config/sh/constraints.md: Likewise.
1636         * config/sh/sh.md: Remove blank lines.
1637         Fix typos in comments.  Use ;; as comment characters.
1638
1639 2012-02-26  Walter Lee  <walt@tilera.com>
1640
1641         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1642         (replace_mov_pcrel_step2): Ditto.
1643
1644 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1645
1646         PR debug/52001
1647         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1648         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1649         and locs that reference values newer than the non-canonical value
1650         at hand.  Return the canonical value as a worst case.
1651         (memrefs_conflict_p): Walk canonical value's locs.
1652
1653         PR debug/52001
1654         * cselib.c (preserve_only_constants): Rename to...
1655         (preserve_constants_and_equivs): ... this.  Split out...
1656         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1657         of other preserved expressions too.
1658         (cselib_reset_table): Adjust.
1659         * var-tracking.c (reverse_op): Use canonical value to build
1660         reverse operation.
1661
1662 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1663
1664         * config/i386/i386.c (ix86_delegitimize_address): Handle
1665         UNSPEC_PCREL plus displacement.
1666
1667 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1668
1669         PR target/52261
1670         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1671         to test for unusedness in st X addressing.
1672
1673 2012-02-24  Richard Guenther  <rguenther@suse.de>
1674
1675         PR middle-end/52361
1676         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1677         (is_gimple_reg_type): Move inline ...
1678         * gimple.h (is_gimple_reg_type): ... here.
1679
1680 2012-02-24  Richard Guenther  <rguenther@suse.de>
1681
1682         PR middle-end/52361
1683         * passes.c (execute_function_todo): When verifying SSA form
1684         verify gimple form first.
1685         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1686
1687 2012-02-24  Richard Guenther  <rguenther@suse.de>
1688
1689         PR middle-end/52355
1690         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1691         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1692
1693 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1694
1695         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1696
1697 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1698
1699         * tree-phinodes.c (make_phi_node): Mark static.
1700         * tree-flow.h (make_phi_node): Remove extern decl.
1701         * doc/gimple.texi (make_phi_node): Remove documentation.
1702
1703 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1704
1705         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1706         * tree-ssa-sccvn.c (print_scc): Ditto.
1707
1708 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1709
1710         * doc/passes.texi (Full redundancy elimination): Fix typo.
1711
1712 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1713
1714         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1715
1716 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1717
1718         PR bootstrap/52287
1719         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1720
1721 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1722
1723         PR c/52290
1724         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1725
1726 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1727
1728         * config/avr/avr.md (code_stdname): Add ior, xor.
1729         (xior): New code iterator.
1730         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1731         (*<code_stdname><mode>qi.byte1-3): Ditto.
1732
1733 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1734
1735         PR tree-optimization/52019
1736         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1737         CLOBBER stmts.
1738
1739 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1740
1741         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1742         HAVE_INITFINI_ARRAY to work around namespace pollution in
1743         certain versions of newlib system headers.
1744         * config.in: Regenerate.
1745         * configure: Regenerate.
1746         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1747         instead of HAVE_INITFINI_ARRAY.
1748
1749 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1750
1751         PR target/52330
1752         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1753         is not offsettable memory reference.
1754
1755 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1756
1757         PR target/18145
1758         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1759         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1760
1761 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1762
1763         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1764         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1765
1766 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1767
1768         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1769         library on Solaris 8 even without TLS support.
1770         * configure: Regenerate.
1771
1772 2012-02-22  Richard Guenther  <rguenther@suse.de>
1773
1774         PR middle-end/52329
1775         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1776         for GIMPLE_DEBUG stmts.
1777
1778 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1779
1780         PR middle-end/51782
1781         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1782         according to the base object.
1783
1784 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1785
1786         PR rtl-optimization/50063
1787         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1788         and 2 (8-bit SP) in operand 2.
1789         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1790         setup to use movhi_sp_r instead of vanilla move to write SP.
1791         Adjust REG_CFA notes to superseed unspec.
1792         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1793         of vanilla move.
1794         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1795         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1796         irq_state 1 (IRQ known to be on) here.
1797
1798 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1799
1800         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1801         WORDS_BIG_ENDIAN.
1802         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1803         assign_hard_reg): Likewise.
1804
1805 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1806
1807         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1808
1809 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1810
1811         * config/avr/avr.md
1812         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1813         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1814
1815 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1816
1817         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1818         prototype from here to...
1819         * config/avr/avr.h: ...here.
1820
1821 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1822
1823         PR target/52294
1824         * thumb2.md (thumb2_shiftsi3_short): Split register and
1825         immediate shifts.  For register shifts tie operands 0 and 1.
1826         (peephole2 for above): Check that register-controlled shifts
1827         have suitably tied operands.
1828
1829 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1830
1831         PR target/52137
1832         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1833         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1834         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1835         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1836         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1837         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1838         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1839         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1840         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1841         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1842         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1843         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1844         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1845         bdver1_ssevector_avx256_unaligned_load,
1846         bdver1_ssevector_sse128_unaligned_load,
1847         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1848         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1849         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1850         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1851         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1852         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1853         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1854         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1855         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1856         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1857         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1858         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1859         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1860         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1861         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1862         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1863         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1864         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1865         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1866         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1867         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1868         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1869         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1870         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1871         bdver1_ssediv_double_load, bdver1_ssediv_double,
1872         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1873         Add "bdver2" attribute.
1874
1875 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1876
1877         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1878         default if possible and not specified otherwise.
1879
1880 2012-02-21  Richard Guenther  <rguenther@suse.de>
1881
1882         PR middle-end/52314
1883         * gimplify.c (create_tmp_from_val): Use the main variant type
1884         for the type of the temporary we create.
1885
1886 2012-02-21  Richard Guenther  <rguenther@suse.de>
1887
1888         PR tree-optimization/52324
1889         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1890         do not gimplify a MEM_REF address operand if it is already
1891         in suitable form.
1892
1893 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1894
1895         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1896         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1897
1898 2012-02-21  Richard Guenther  <rguenther@suse.de>
1899
1900         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1901         nested_in_vect_loop.
1902
1903 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1904
1905         PR tree-optimization/52318
1906         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1907         vdef also to non-pure/const call stmts in the sequence.
1908
1909 2012-02-20  David S. Miller  <davem@davemloft.net>
1910
1911         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1912         don't use the "rd %pc" instruction on v9 for PIC register loads.
1913
1914 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1915
1916         PR middle-end/52141
1917         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1918         in a transaction safe function.
1919
1920 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1921
1922         PR target/52238
1923         * stor-layout.c (place_field): Handle desired_align for
1924         ms-bitfields, too.
1925
1926 2012-02-20  Richard Guenther  <rguenther@suse.de>
1927
1928         PR tree-optimization/52298
1929         * tree-vect-stmts.c (vectorizable_store): Properly use
1930         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1931         outer loops.
1932         (vectorizable_load): Likewise.
1933         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1934         Access DR_STEP after ensuring it is not NULL.
1935
1936 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR tree-optimization/52286
1939         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1940         optimization use double_int_to_tree instead of build_int_cst_wide,
1941         rewrite to use double_int vars.
1942
1943 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1944
1945         PR target/50166
1946         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1947         Define _start.
1948         Remove -e 0 from $gcc_cv_ld invocation.
1949         Only use __GLIBC_PREREQ if defined.
1950         Enable on Solaris since Solaris 8 patch.
1951         (gcc_SUN_LD_VERSION): New macro.
1952         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1953         gcc_SUN_LD_VERSION for version number format.
1954         * configure: Regenerate.
1955         * varasm.c (get_elf_initfini_array_priority_section): Set
1956         SECTION_NOTYPE for non-default priority.
1957         Use get_section instead of get_unnamed_section to emit
1958         .init_array/.fini_array with default priority.
1959
1960 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1961
1962         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1963         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1964         (mips_start_unique_function, mips_output_mips16_rdhwr)
1965         (mips_code_end): New functions.
1966         (TARGET_ASM_CODE_END): Define.
1967
1968 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1969
1970         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1971         to stubs with non-sibling calls.
1972
1973 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1974
1975         * doc/invoke.texi (-fira-* options): Copy-edit.
1976         (ira-* parameters): Copy-edit.
1977
1978 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1979
1980         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1981         GCC coding conventions.
1982
1983 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1984
1985         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1986         when used as adjectives.
1987
1988 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1989
1990         * doc/invoke.texi: Clean up "that"/"which" confusion.
1991
1992 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1993
1994         * system.h: Poison SMALL_REGISTER_CLASSES
1995         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1996         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1997
1998 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1999
2000         PR tree-optimization/52285
2001         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2002         when deciding if a call is a tail call or tail recursion.
2003
2004 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2005
2006         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2007         interger-constant displacement for UNSPEC_PCREL.
2008
2009 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR rtl-optimization/52208
2012         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2013         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2014
2015         PR tree-optimization/52255
2016         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2017         loop->header has virtual PHI, but exit_e->dest doesn't, add
2018         virtual PHI to exit_e->dest and adjust all uses after the loop.
2019
2020         PR debug/52260
2021         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2022         children with clone_tree_hash, not after it.
2023
2024 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2025
2026         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2027         extended identifiers.
2028
2029 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR middle-end/51929
2032         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2033         a same_body_alias, also test whether e->callee isn't a former
2034         or current clone of the decl this is a same body alias of.
2035
2036         PR translation/52264
2037         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2038
2039 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2040
2041         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2042
2043 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2044
2045         PR target/52199
2046         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2047         force_reg instead of copy_to_reg for better optimization.  Force
2048         non-register or memory operands into a register.
2049
2050 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2051
2052         * extend.texi: Reserve upper bits of memory model for future use.
2053
2054 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2055             Anatoly Sokolov <aesok@post.ru>
2056             Eric Weddington <eric.weddington@atmel.com>
2057
2058         PR target/52261
2059         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2060         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2061         Rewrite initializers for .macro.
2062         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2063         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2064         atxmega32d4, atxmega32x1.
2065         avrxmega4: atxmega64a3, atxmega64d3.
2066         avrxmega5: atxmega64a1, atxmega64a1u.
2067         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2068         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2069         avrxmega7: atxmega128a1, atxmega128a1u.
2070         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2071         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2072         (struct base_arch_s): Rename reserved to xmega_p.
2073         Rename reserved2 to have_rampd.
2074         (AVR_XMEGA): New define.
2075         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2076         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2077         * config/avr/predicates.md (io_address_operand): Take into
2078         account SFR offset.
2079         (low_io_address_operand): Ditto.
2080         (high_io_address_operand): Ditto.
2081         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2082         (enabled, movhi_sp_r): Use them.
2083         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2084         cpp_define_formatted to built-in define __AVR_ARCH__.
2085         (__AVR_XMEGA__): New built-in define.
2086         (__AVR_HAVE_RAMPD__): New built-in define.
2087         (__AVR_HAVE_RAMPX__): New built-in define.
2088         (__AVR_HAVE_RAMPY__): New built-in define.
2089         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2090
2091         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2092         (avr_option_override): Initialize them.
2093         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2094         (avr_init_expanders): Initialize them. No more block several calls.
2095         (emit_push_sfr): New static function.
2096         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2097         Handle AVR_XMEGA.
2098         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2099         (avr_print_operand): Print addreeses as symbols for
2100         RAMPX, RAMPY, RAMPD, CCP.
2101         (output_movhi): Handle AVR_XMEGA when writing to SP.
2102         (avr_out_movhi_mr_r_xmega): New static function.
2103         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2104         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2105         __RAMPD__,  __CCP__ as needed.
2106
2107         * config/avr/multilib.h: Regenerate.
2108         * config/avr/t-multilib: Regenerate.
2109         * config/avr/avr-tables.opt: Regenerate.
2110
2111 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2112
2113         PR tree-optimization/50561
2114         * graphite-flattening.c (lst_project_loop): Do not
2115         remove old scattering dimensions after flattening.
2116         (lst_do_flatten): Likewise.
2117
2118 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2119
2120         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2121         __builtin_avr_map8, __builtin_avr_map16.
2122         Document __builtin_avr_insert_bits.
2123
2124         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2125         (insert_bits): New insn.
2126         (adjust_len.map_bits): Rename to insert_bits.
2127         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2128         * avr-protos.h (avr_out_map_bits): Remove.
2129         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2130         * config/avr/constraints.md (Cxf,C0f): New.
2131         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2132         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2133         New built-in define __BUILTIN_AVR_INSERT_BITS.
2134         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2135         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2136         (avr_move_bits): Rewrite.
2137         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2138         functions.
2139         (avr_map_op_t): New typedef.
2140         (avr_map_op): New static variable.
2141         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2142         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2143         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2144         (bdesc_3arg, avr_expand_triop_builtin): New.
2145         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2146         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2147         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2148         (avr_map_equal_p, avr_map_sig_p): Remove.
2149         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2150         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2151         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2152         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2153         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2154         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2155
2156 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2157
2158         * config/c6x/c6x.md (reserve_cycles): New attribute.
2159         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2160         don't reserve functional units after the branch occurs.
2161
2162 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2163
2164         PR middle-end/52142
2165         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2166         functions into non-tm_pure functions.
2167
2168 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2169
2170         PR lto/52178
2171         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2172         (iterative_hash_canonical_type): Likewise.
2173         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2174         the dead edges.
2175
2176 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2177
2178         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2179         sched-group insn, it either remains alone or the entire list is pruned.
2180
2181 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2182
2183         * doc/install.texi (Prerequisites): Fix grammar.
2184         (Configuration): Likewise.
2185
2186 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2187
2188         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2189         MPC as part of GCC before describing configuring with --with-gmp etc.
2190         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2191         sources are present.
2192
2193 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2194
2195         PR debug/51950
2196         * dwarf2out.c (clone_tree_hash): New function.
2197         (copy_decls_walk): Use it instead of clone_tree.
2198
2199 2012-02-14  Richard Guenther  <rguenther@suse.de>
2200
2201         PR tree-optimization/52244
2202         PR tree-optimization/51528
2203         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2204         replacements for integral types.
2205
2206 2012-02-14  Walter Lee  <walt@tilera.com>
2207
2208         * config.gcc: Handle tilegx and tilepro.
2209         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2210         tilegx and tilepro.
2211         Add HAVE_AS_TLS check for tilegx and tilepro.
2212         * configure: Regenerate.
2213         * doc/contrib.texi: Add Mat Hostetter and self.
2214         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2215         Document instruction intrinsics and network accessing intrinsics.
2216         (TILEPro Built-in Functions): New node.  Document instruction
2217         intrinsics and network accessing intrinsics.
2218         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2219         (Specific, tilepro-*-linux*): Likewise.
2220         * doc/invoke.texi (TILE-Gx Options): New section.
2221         (TILEPro Options): New section.
2222         * doc/md.texi (TILE-Gx): New section.
2223         (TILEPro): New section.
2224         * common/config/tilegx/tilegx-common.c: New file.
2225         * common/config/tilepro/tilepro-common.c: New file.
2226         * config/tilegx/constraints.md: New file.
2227         * config/tilegx/linux.h: New file.
2228         * config/tilegx/mul-tables.c: New file.
2229         * config/tilegx/predicates.md: New file.
2230         * config/tilegx/sync.md: New file.
2231         * config/tilegx/t-tilegx: New file.
2232         * config/tilegx/tilegx-builtins.h: New file.
2233         * config/tilegx/tilegx-c.c: New file.
2234         * config/tilegx/tilegx-generic.md: New file.
2235         * config/tilegx/tilegx-modes.def: New file.
2236         * config/tilegx/tilegx-multiply.h: New file.
2237         * config/tilegx/tilegx-protos.h: New file.
2238         * config/tilegx/tilegx.c: New file.
2239         * config/tilegx/tilegx.h: New file.
2240         * config/tilegx/tilegx.md: New file.
2241         * config/tilegx/tilegx.opt: New file.
2242         * config/tilepro/constraints.md: New file.
2243         * config/tilepro/gen-mul-tables.cc: New file.
2244         * config/tilepro/linux.h: New file.
2245         * config/tilepro/mul-tables.c: New file.
2246         * config/tilepro/predicates.md: New file.
2247         * config/tilepro/t-tilepro: New file.
2248         * config/tilepro/tilepro-builtins.h: New file.
2249         * config/tilepro/tilepro-c.c: New file.
2250         * config/tilepro/tilepro-generic.md: New file.
2251         * config/tilepro/tilepro-modes.def: New file.
2252         * config/tilepro/tilepro-multiply.h: New file.
2253         * config/tilepro/tilepro-protos.h: New file.
2254         * config/tilepro/tilepro.c: New file.
2255         * config/tilepro/tilepro.h: New file.
2256         * config/tilepro/tilepro.md: New file.
2257         * config/tilepro/tilepro.opt: New file.
2258
2259 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR tree-optimization/52210
2262         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2263         vect_model_simple_cost with two entry vect_def_type array instead
2264         of an address of dt.
2265
2266 2012-02-14  Richard Guenther  <rguenther@suse.de>
2267
2268         PR lto/52178
2269         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2270         Do not stream DECL_QUALIFIER.
2271         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2272         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2273         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2274
2275 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2276
2277         PR c/52181
2278         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2279         newdecl.
2280
2281 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2282
2283         PR bootstrap/52172
2284         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2285         * cselib.c (cselib_subst_to_values_from_insn): New function.
2286         * sched-deps.c (add_insn_mem_dependence,
2287         sched_analyze_1, sched_analyze_2): Use it.
2288
2289 2012-02-13  Jan Hubicka  <jh@suse.cz>
2290
2291         PR middle-end/52214
2292         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2293
2294 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2295
2296         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2297         (GTM_SELF_SPECS): Define if not already defined.
2298         (driver_self_specs): Add GTM_SELF_SPECS.
2299         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2300         (GTM_SELF_SPECS): Define.
2301         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2302         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2303
2304 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2305
2306         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2307         away if seen.
2308
2309         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2310
2311         PR middle-end/52230
2312         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2313         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2314
2315 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2316
2317         PR c/52190
2318         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2319
2320 2012-02-13  Richard Guenther  <rguenther@suse.de>
2321
2322         PR translation/52211
2323         * passes.c (enable_disable_pass): Fix typo.
2324
2325 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2326
2327         PR middle-end/52209
2328         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2329         XOR for reduce_bit_field if type is unsigned.
2330
2331 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2332
2333         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2334         disallow changes from SFmode to mode with different size in FP regs.
2335
2336 2012-02-12  Robert Millan  <rmh@gnu.org>
2337             Gerald Pfeifer <gerald@pfeifer.com>
2338
2339         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2340         Tweak comment.
2341
2342 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2343
2344         PR rtl-optimization/52175
2345         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2346         to frame-related instructions.
2347
2348 2012-02-10  Jason Merrill  <jason@redhat.com>
2349
2350         PR c++/51910
2351         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2352         (demangle_new_symbols): Fill it.
2353         (scan_linker_output): Walk it.
2354         (start_tweaking): Split out from scan_linker_output.
2355         (maybe_tweak): Update sym->chosen.
2356         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2357
2358 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR debug/52132
2361         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2362
2363 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2364
2365         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2366         having the same mode as previous compare.
2367
2368 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2369
2370         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2371         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2372         (nonlocal_goto_internal): Likewise.
2373         (nonlocal_goto): Emit a use and an indirect jump directly.
2374
2375 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2376
2377         PR c/52190
2378         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2379         __atomic_{is,always}_lock_free.
2380
2381 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2382
2383         PR target/52146
2384         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2385         negative constant address for x32.
2386
2387 2012-02-10  Richard Henderson  <rth@redhat.com>
2388
2389         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2390         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2391         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2392
2393 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2394             Ira Rosen  <irar@il.ibm.com>
2395
2396         PR tree-optimization/50031
2397         * targhooks.c (default_builtin_vectorization_cost): Handle
2398         vec_promote_demote.
2399         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2400         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2401         all types of reduction and pattern statements.
2402         (vect_estimate_min_profitable_iters): Likewise.
2403         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2404         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2405         for explicit realigns.
2406         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2407         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2408         vec_promote_demote.
2409         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2410         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2411         vec_perm for VSX and handle vec_promote_demote.
2412
2413 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2414
2415         PR middle-end/52177
2416         * builtins.c (fold_builtin_atomic_always_lock_free,
2417         expand_builtin_atomic_always_lock_free,
2418         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2419         Return and/or test boolean_true_node/boolean_false_node instead of
2420         integer_one_node/integer_zero_node.
2421
2422 2012-02-10  Jan Hubicka  <jh@suse.cz>
2423
2424         PR middle-end/48600
2425         * predict.c (predict_paths_for_bb): Prevent looping.
2426         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2427
2428 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2429
2430         * config/arm/arm.c (output_move_double): In one case properly
2431         count number of instructions that will be emitted.
2432
2433 2012-02-10  Richard Guenther  <rguenther@suse.de>
2434
2435         PR translation/52193
2436         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2437
2438 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2439
2440         PR middle-end/52140
2441         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2442
2443 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2444
2445         PR debug/52165
2446         * var-tracking.c (emit_note_insn_var_location): If
2447         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2448         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2449         non-NOTE_DURING_CALL_P insn.
2450
2451 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2452
2453         PR middle-end/51867
2454         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2455
2456 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2457
2458         PR driver/48524
2459         * gcc.c (switch_matches) Support switches with separated form,
2460         -D and -U.
2461
2462 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2463
2464         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2465         (SP_ADDR): Ditto.
2466         (RAMPZ_ADDR): Ditto.
2467         * config/avr/avr.c (avr_addr_t): New typedef.
2468         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2469         (avr_init_expanders): Initialize it.
2470         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2471         SREG_ADDR.
2472         (expand_epilogue): Ditto.
2473         (avr_print_operand): Ditto.
2474         (avr_file_start): Ditto.
2475         (avr_emit_movmemhi): Ditto.
2476
2477 2012-02-08  Richard Guenther  <rguenther@suse.de>
2478
2479         PR tree-optimization/46886
2480         * tree-flow.h (do_while_loop_p): Declare.
2481         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2482         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2483
2484 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2485
2486         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2487         always succeed for integers larger than a native word.
2488
2489 2012-02-08  Richard Guenther  <rguenther@suse.de>
2490
2491         PR rtl-optimization/52170
2492         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2493         properly handle integer vector modes.
2494
2495 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2496
2497         PR gcov-profile/52150
2498         * coverage.c: Include target.h.
2499         (build_var): Call targetm.strip_name_encoding on the assembler name.
2500         Change one _ into . or $ if the target allows it.
2501         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2502
2503         PR rtl-optimization/52139
2504         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2505         is a BARRIER after emit_insn_after_noloc, move BB_END
2506         to the last non-BARRIER insn before it.
2507
2508 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2509
2510         PR middle-end/24306
2511         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2512         (mips_gimplify_va_arg_expr): Call it instead of
2513         std_gimplify_va_arg_expr.
2514
2515 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2516
2517         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2518         message for -mno-pointers-to-nested-function.
2519
2520 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2521
2522         PR middle-end/51994
2523         * expr.c (get_inner_reference): If there is an offset, add a negative
2524         bit position to it (if any).
2525
2526 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2527
2528         PR rtl-optimization/52060
2529         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2530         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2531         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2532         and/or i0src_copy2 when needed.
2533
2534 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2535
2536         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2537         or LTOPLUGINSONAME if have_c.
2538
2539         * config/freebsd-spec.h: Add comment about what macros can be defined
2540         in this header.
2541         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2542         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2543         here instead.
2544
2545 2012-02-07  Richard Guenther  <rguenther@suse.de>
2546
2547         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2548         newline in -alias dumps.
2549
2550 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2551             Dave Korn  <dave.korn.cygwin@gmail.com>
2552
2553         PR target/40068
2554         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2555         Take care that typinfo gets dllexport-attribute.
2556
2557 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2558
2559         PR middle-end/52074
2560         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2561         if modifier < EXPAND_SUM call force_operand on the result.
2562
2563 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2564
2565         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2566         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2567         present.
2568         (epiphany_function_type): Replace types for specific interrupts with
2569         EPIPHANY_FUNCTION_INTERRUPT.
2570         (EPIPHANY_INTERRUPT_P): Update.
2571         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2572         New static function.
2573         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2574         <disinterrupt>: Affects type identity.
2575         (epiphany_handle_interrupt_attribute): Handle variable number of
2576         arguments.
2577         (epiphany_compute_function_type): Update for new
2578         epiphany_function_type definition.
2579         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2580         handlers with a longcall forwarder.
2581         (epiphany_start_function): Handle multiple interrupt arguments and/or
2582         forwarder_section attribute.
2583
2584         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2585         libgloss.
2586
2587 2012-02-07  Alan Modra  <amodra@gmail.com>
2588
2589         PR target/52107
2590         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2591         subregs of TFmode.
2592
2593 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2594
2595         PR tree-optimization/50969
2596         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2597         use vec_perm rather than vector_stmt.
2598         (vect_model_load_cost): Likewise.
2599         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2600         vec_perm to be the same as other vector statements.
2601         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2602         cost of vec_perm for TARGET_VSX.
2603
2604 2012-02-06  Richard Guenther  <rguenther@suse.de>
2605
2606         PR tree-optimization/52115
2607         * tree-sra.c (access_has_replacements_p): New function.
2608         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2609
2610 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2611
2612         PR middle-end/52047
2613         * trans-mem.c (expand_call_tm): Add an assertion.
2614         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2615         functions.
2616
2617 2012-02-06  Richard Guenther  <rguenther@suse.de>
2618
2619         PR tree-optimization/50955
2620         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2621         raise cost of expressions that replace an address with an
2622         expression based on a different pointer.
2623
2624 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR target/52129
2627         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2628         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2629
2630 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2631
2632         PR c++/48680
2633         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2634         -Weffc++ and specify guidelines come from second edition.
2635
2636 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2637
2638         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2639         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2640         (call_direct_split, call_value_split, call_value_internal_direct)
2641         (call_value_direct_split, call_value_multiple_split): Use jal and
2642         jal_macro attributes.
2643
2644 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2645
2646         * reload1.c (reload_regs_reach_end_p): Replace with...
2647         (reload_reg_rtx_reaches_end_p): ...this function.
2648         (new_spill_reg_store): Update commentary.
2649         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2650         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2651         before setting new_spill_reg_store.
2652         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2653         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2654         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2655         for non-spill reload registers.
2656
2657 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2658
2659         PR tree-optimization/52091
2660         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2661         (vect_is_simple_use_1): Likewise.
2662         * tree-vect-loop.c (vectorizable_reduction): Update calls
2663         to vect_is_simple_use_1 and vect_is_simple_use.
2664         (vectorizable_live_operation): Likewise.
2665         * tree-vect-patterns.c (widened_name_p,
2666         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2667         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2668         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2669         vectorizable_shift,vectorizable_operation, vectorizable_store,
2670         vectorizable_load): Likewise.
2671         (vect_is_simple_cond): Add an argument, pass it to
2672         vect_is_simple_use_1.
2673         (vectorizable_condition): Update calls to vect_is_simple_cond,
2674         vect_is_simple_use.
2675         (vect_is_simple_use): Add an argument, the statement in which
2676         OPERAND is used.  Check that if OPERAND's def stmt is a double
2677         reduction phi node, the use is a phi node too.
2678         (vect_is_simple_use_1): Add an argument, pass it to
2679         vect_is_simple_use.
2680         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2681         to vect_is_simple_use.
2682
2683 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2684
2685         PR rtl-optimization/52095
2686         * modulo-sched.c (dump_insn_locator): New function.
2687         (loop_canon_p, sms_schedule): Use it.
2688
2689         PR rtl-optimization/52113
2690         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2691         even for decomposable shift/zext insns.
2692
2693 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2694             Zdenek Dvorak  <ook@ucw.cz>
2695
2696         PR rtl-optimization/52092
2697         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2698         on get_iv_value result.
2699
2700 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2701
2702         PR middle-end/47982
2703         PR middle-end/43967
2704         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2705
2706 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR middle-end/48071
2709         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2710
2711 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2712
2713         PR rtl-optimization/49800
2714         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2715         (sched_finish): Call regstat_free_n_sets_and_refs.
2716
2717 2012-02-02  Jia Liu  <proljc@gmail.com>
2718
2719         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2720         than operand 2.
2721
2722 2012-02-02  Jan Hubicka  <jh@suse.cz>
2723             Tom de Vries  <tom@codesourcery.com>
2724
2725         PR middle-end/51998
2726         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2727         * varpool.c (varpool_analyze_pending_decls): Likewise.
2728
2729 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2730             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2731
2732         * config.gcc: Add cr16-* support.
2733
2734         * doc/extend.texi: Document cr16 extensions.
2735         * doc/install.texi: Document cr16 install.
2736         * doc/invoke.texi: Document cr16 options.
2737         * doc/md.texi: Document cr16 constraints.
2738
2739         * common/config/cr16/cr16-common.c: New file.
2740         * config/cr16/cr16.c: New file.
2741         * config/cr16/cr16.h: New file.
2742         * config/cr16/cr16.md: New file.
2743         * config/cr16/cr16.opt: New file.
2744         * config/cr16/cr16-protos.h: New file.
2745         * config/cr16/predicates.md: New file.
2746         * config/cr16/constraints.md: New file.
2747         * config/cr16/t-cr16: New file.
2748
2749 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2750
2751         PR target/52086
2752         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2753         that operands[2] is either immediate, or q_regs_operand.
2754
2755         PR tree-optimization/52073
2756         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2757         a pattern stmt for pattern uses, ignore uses outside of the loop.
2758
2759 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2760
2761         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2762         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2763         (OUT_AS1, OUT_AS2): Remove.
2764
2765 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2766
2767         PR rtl-optimization/51374
2768         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2769         to cross other volatile_refs_p insns.
2770
2771 2012-02-01  Richard Guenther  <rguenther@suse.de>
2772
2773         * doc/invoke.texi (fno-inline): Clarify documentation.
2774         (finline-small-functions): Likewise.
2775         (finline-functions): Likewise.
2776         * common.opt (finline): Adjust comment and documentation.
2777         (finline-small-functions): Clarify documentation.
2778         (finline-functions): Likewise.
2779         (finline-functions-called-once): Likewise.
2780
2781 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2782
2783         * c-typeck.c (composite_type): Keep mode for pointers.
2784
2785 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2786
2787         * function.h (regno_reg_rtx): Adjust comment.
2788         * reginfo.c (init_reg_modes_target): Only use the previous mode
2789         if it fits within one register.  Remove MIPS comment.
2790
2791 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR bootstrap/52058
2794         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2795
2796 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2797
2798         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2799         to srak instruction.
2800
2801 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2802
2803         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2804
2805 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR bootstrap/52041
2808         PR bootstrap/52039
2809         PR target/51974
2810         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2811
2812 2012-01-31  Richard Guenther  <rguenther@suse.de>
2813
2814         PR tree-optimization/51528
2815         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2816         assigns.
2817
2818 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR bootstrap/52041
2821         PR bootstrap/52039
2822         PR target/51974
2823         * ree.c (add_removable_extension): Change def_map argument
2824         to unsigned *, store in def_map 1 + offset into *insn_list vector
2825         instead of pointers into the vector.
2826         (find_removable_extensions): Adjust caller.
2827
2828 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2829
2830         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2831         Transform all "* quoted-c-code" to { c-code }.
2832         Remove redundant test for "optimize" in combine patterns.
2833         Move (include "avr-dimode.md") to end of file.
2834
2835 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2836
2837         PR target/51835
2838         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2839         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2840
2841 2012-01-30  Richard Guenther  <rguenther@suse.de>
2842
2843         PR tree-optimization/52028
2844         * tree-loop-distribution.c (ldist_gen): Properly update
2845         virtual SSA form.
2846
2847 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2848
2849         PR debug/52027
2850         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2851         set_cur_line_info_table if not emitting debug info.
2852
2853         PR tree-optimization/52046
2854         * tree-vect-patterns.c (check_bool_pattern): Give up if
2855         a comparison could throw.
2856
2857         PR debug/52048
2858         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2859
2860 2012-01-30  Richard Guenther  <rguenther@suse.de>
2861
2862         PR tree-optimization/52045
2863         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2864         SSA form if cfgcleanup did anything.
2865
2866 2012-01-30  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/52045
2869         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2870         before computing final todo.
2871
2872 2012-01-30  Richard Guenther  <rguenther@suse.de>
2873
2874         PR tree-optimization/51528
2875         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2876         for PR51528 fix.
2877
2878 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2879
2880         * df-problems.c (df_kill_notes): Check that the use refers
2881         to the note under examination.
2882
2883 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2884
2885         PR target/51920
2886         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2887         parameter and use short-lived pseudos.
2888         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2889         (sparc_expand_vector_init): Const-ify local variables and adjust
2890         calls to above functions.
2891
2892 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2893
2894         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2895
2896 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2897
2898         * doc/invoke.texi: Make usage of "compile time" and
2899         "run time"/"runtime" consistent throughout the file.
2900
2901 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2902
2903         * config/alpha/alpha.c (alpha_option_override): Default to
2904         full IEEE compliance mode for Go language.
2905
2906 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2907
2908         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2909         (LINK_SSP_SPEC): Define.
2910
2911 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2912
2913         PR target/51871
2914         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2915         stubs.
2916
2917 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2918
2919         * doc/invoke.texi: Correct hyphenation of "floating point",
2920         "double precision", and related terminology throughout the file.
2921
2922 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2923
2924         PR target/52006
2925         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2926         arm_general_register_operand predicate for operand 2 instead of
2927         register_operand.
2928
2929 2012-01-27  Ian Lance Taylor  <iant@google.com>
2930
2931         PR go/47656
2932         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2933         * builtins.c (expand_builtin_init_trampoline): Add onstack
2934         parameter.  Change caller.
2935         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2936         * tree.c (build_common_builtin_nodes): Declare
2937         __builtin_init_heap_trampoline.
2938
2939 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2940
2941         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2942         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2943         * config/avr/avr.c: Ditto.
2944         (avr_regnames): Remove because unused.
2945         * config/avr/avr.md (*cpse.ne): New peephole.
2946         (*cpse.eq): New peephole from former cpse peepholes.
2947
2948 2012-01-27  Michael Eager  <eager@eagercon.com>
2949
2950         * config/microblaze.c (microblaze_emit_compare): Correct
2951         test after pcmp instruction.
2952
2953 2012-01-27  Richard Guenther  <rguenther@suse.de>
2954
2955         PR tree-optimization/52020
2956         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2957
2958 2012-01-27  Richard Guenther  <rguenther@suse.de>
2959
2960         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2961         function non-const/pure.
2962
2963 2012-01-27  Richard Guenther  <rguenther@suse.de>
2964
2965         PR tree-optimization/50444
2966         * tree-sra.c (build_ref_for_offset): Properly adjust the
2967         MEM_REF type for unaligned accesses.
2968
2969 2012-01-27  Richard Guenther  <rguenther@suse.de>
2970
2971         PR tree-optimization/50444
2972         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2973         (expand_assignment): Use it.  Properly handle misaligned
2974         bases when expanding stores to component references.
2975         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2976         refactor that case.
2977
2978 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2979
2980         PR middle-end/51389
2981         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2982         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2983         * tree-data-ref.c (find_data_references_in_loop): Make static.
2984         (compute_all_dependences): Change return type to bool.  Bail out
2985         for too many datarefs in a loop.  Move the hunk resetting the data
2986         dependences vector from ...
2987         (compute_data_dependences_for_loop): ... here.  Account for
2988         compute_all_dependences returning false.
2989         (compute_data_dependences_for_bb): Likewise.
2990         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2991         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2992
2993 2012-01-27  Richard Guenther  <rguenther@suse.de>
2994
2995         PR middle-end/51959
2996         * expr.c (store_field): Use the alias-set of the scratch memory
2997         for storing to it.
2998
2999 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3000
3001         PR tree-optimization/51990
3002         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3003         WITH_SIZE_EXPR.
3004         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3005
3006 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3007
3008         PR debug/52001
3009         * var-tracking.c (reverse_op): Don't add any reverse operation
3010         if V already has any constant locations.
3011
3012 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3013
3014         * doc/invoke.texi: Correct usage of "command line" (noun)
3015         vs "command-line" (adjective) throughout.
3016
3017 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3018
3019         * doc/invoke.texi (Language Independent Options): Move
3020         -Wcoverage-mismatch blurb from here....
3021         (Warning Options): ...to here.
3022
3023 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3024
3025         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3026         Set rs6000_always_hint to false for 476.
3027
3028 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3029
3030         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3031           system root.
3032         * incpath.c (add_standard_paths): Likewise.
3033
3034 2012-01-27  Richard Henderson  <rth@redhat.com>
3035
3036         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3037         * config/m68k/sync.md (atomic_test_and_set): Rename from
3038         sync_test_and_setqi and adjust the operands.
3039         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3040         and unconditionally enable.
3041
3042 2012-01-27  Richard Henderson  <rth@redhat.com>
3043
3044         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3045         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3046         (ldstub): Rename from ldstubqi.
3047         (ldstub<I24MODE>): Remove.
3048
3049 2012-01-27  Richard Henderson  <rth@redhat.com>
3050
3051         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3052         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3053         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3054         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3055         * doc/tm.texi: Rebuild.
3056
3057 2012-01-27  Richard Henderson  <rth@redhat.com>
3058
3059         * optabs.c (gen_atomic_test_and_set): Remove default.
3060         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3061
3062 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR rtl-optimization/51978
3065         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3066         (combine_reaching_defs): Likewise.
3067         (struct re_info): Remove.
3068         (add_removable_extension): Remove x and data arguments,
3069         add insn, insn_list and def_map.  Use the arguments directly
3070         instead of using struct re_info.
3071         (find_removable_extensions): Don't call add_removable_extension
3072         through note_stores, instead just call it with single_set
3073         result if non-NULL.
3074         (find_and_remove_re): Pass curr_cand->expr instead of
3075         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3076
3077 2012-01-26  Michael Matz  <matz@suse.de>
3078
3079         PR tree-optimization/46590
3080         * cfgexpand.c: Revert last change (r183305).
3081         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3082         regs.
3083         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3084         checking for emptiness.
3085
3086 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3087
3088         PR middle-end/51895
3089         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3090         non-addressable non-BLKmode base correctly.
3091
3092 2012-01-26  Michael Matz  <matz@suse.de>
3093
3094         PR tree-optimization/48794
3095         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3096         regions referenced from RESX/EH_DISPATCH.
3097
3098 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3099
3100         * config/s390/s390.h: Make BRANCH_COST an option.
3101         * config/s390/s390.opt: New option -mbranch-cost.
3102
3103 2012-01-26  Richard Henderson  <rth@redhat.com>
3104
3105         Revert 2012-01-24 change:
3106         * trans-mem.c (requires_barrier): Do not instrument thread local
3107         variables and emit save/restore for them.
3108
3109 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3110
3111         PR middle-end/51986
3112         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3113         for pat == 0.
3114
3115 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3116
3117         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3118         ASM_OPERANDS.
3119
3120 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3121
3122         PR target/49868
3123         Rename __pgm to __flash.
3124         Rename __pgm1 to __flash1.
3125         Rename __pgm2 to __flash2.
3126         Rename __pgm3 to __flash3.
3127         Rename __pgm4 to __flash4.
3128         Rename __pgm5 to __flash5.
3129         Rename __pgmx to __memx.
3130         * doc/extend.texi (AVR Named Address Spaces)
3131         Rename address space names as indicated above.
3132         * config/avr/avr.c (avr_addrspace): Ditto.
3133
3134         * config/avr/avr-protos.h
3135         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3136         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3137         * config/avr/predicates.md: Ditto.
3138         * config/avr/avr.c Ditto, and
3139         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3140         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3141
3142         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3143         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3144         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3145         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3146         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3147         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3148         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3149         * config/avr/avr.c: Ditto.
3150         * config/avr/avr.md: Ditto.
3151
3152 2012-01-25  Jason Merrill  <jason@redhat.com>
3153
3154         PR c++/51992
3155         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3156
3157 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3158
3159         PR tree-optimization/51987
3160         * tree-data-ref.c (get_references_in_stmt): Handle references in
3161         non-volatile GIMPLE_ASM.
3162
3163 2012-01-25  Richard Guenther  <rguenther@suse.de>
3164
3165         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3166         bases are dereferenced.
3167
3168 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3169
3170         PR rtl-optimization/48374
3171         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3172
3173 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3174
3175         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3176         compute_data_dependences_for_loop returns false.
3177         * tree-parloops.c (loop_parallel_p): Likewise.
3178
3179 2012-01-25  Richard Guenther  <rguenther@suse.de>
3180
3181         * tree.h (get_pointer_alignment_1): Declare.
3182         * builtins.c (get_pointer_alignment_1): New function.
3183         (get_pointer_alignment): Use it.
3184
3185 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3186
3187         PR rtl-optimization/48308
3188         * combine.c (enum undo_kind): Add UNDO_LINKS.
3189         (struct undo): Add member l to other_contents and where.
3190         (do_SUBST_LINK): New.
3191         (SUBST_LINK): New.
3192         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3193         (undo_all): Handle UNDO_LINKS.
3194
3195 2012-01-25  Richard Henderson  <rth@redhat.com>
3196
3197         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3198         mem inputs.
3199
3200 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3201
3202         * optabs.c (gen_atomic_test_and_set): Use each argument.
3203
3204 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3205
3206         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3207         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3208         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3209         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3210         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3211         TARGET_PAIRED_SINGLE_FLOAT.
3212
3213 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3214
3215         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3216         (in_struct, return_val): Remove MEM documentation.
3217         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3218         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3219         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3220         and MEM_SCALAR.
3221         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3222         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3223         * expr.c (store_field): Likewise.
3224         * function.c (assign_stack_temp_for_type): Likewise.
3225         * ifcvt.c (noce_try_cmove_arith): Likewise.
3226         * reload1.c (reload): Likewise.
3227         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3228         (alpha_set_memflags): Likewise.
3229         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3230
3231 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3232
3233         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3234         parameter.
3235         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3236         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3237         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3238         varies parameter.
3239         * cselib.c (cselib_rtx_varies_p): Delete.
3240         (cselib_invalidate_mem): Update call to canon_true_dependence.
3241         * dse.c (record_store, check_mem_read_rtx): Likewise.
3242         (scan_reads_nospill): Likewise.
3243         * cse.c (check_dependence): Likewise.
3244         (cse_rtx_varies_p): Delete.
3245         * expr.c (safe_from_p): Update call to true_dependence.
3246         * ira.c (validate_equiv_mem_from_store): Likewise.
3247         (memref_referenced_p): Likewise.
3248         * postreload-gcse.c (find_mem_conflicts): Likewise.
3249         * sched-deps.c (sched_analyze_2): Likewise.
3250         * store-motion.c (load_kills_store): Likewise.
3251         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3252         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3253         (compute_transp): Update call to canon_true_dependence.
3254
3255 2012-01-25  Richard Henderson  <rth@redhat.com>
3256
3257         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3258         (maybe_emit_atomic_test_and_set): New.
3259         (expand_sync_lock_test_and_set): Use it.
3260         (expand_atomic_test_and_set): Likewise.
3261         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3262         the implementation; clarify implementation defined details.
3263         * doc/md.texi (atomic_test_and_set): Document.
3264
3265 2012-01-25  Richard Henderson  <rth@redhat.com>
3266
3267         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3268
3269 2012-01-25  Richard Henderson  <rth@redhat.com>
3270
3271         PR target/51968
3272         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3273         to effect no-op split.
3274
3275 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3276
3277         PR lto/51698
3278         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3279         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3280         (BT_FN_VOID_PTR_INT_SIZE): New.
3281         (BT_FN_UINT_UINT_VAR): Remove.
3282         (BT_FN_UINT32_UINT32_VAR): New.
3283         (BT_FN_DOUBLE_VPTR): Remove.
3284         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3285
3286         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3287         (_ITM_changeTransactionMode): Same.
3288         (_ITM_memmoveRtWt): Change return type to void.
3289         (_ITM_memcpyRtWt): Same.
3290         (_ITM_memsetW): Same.
3291         (_ITM_RaRD): Change types to double.
3292         (_ITM_RD): Same.
3293         (_ITM_RaWD): Same.
3294         (_ITM_RfWD): Same.
3295
3296         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3297
3298 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3299             Patrick Marlier  <patrick.marlier@gmail.com>
3300
3301         * trans-mem.c (requires_barrier): Do not instrument thread local
3302         variables and emit save/restore for them.
3303
3304 2012-01-24  Jason Merrill  <jason@redhat.com>
3305
3306         PR c++/51812
3307         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3308         output static aliases.
3309
3310 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR driver/47249
3313         * common.opt (-pie, -shared, pie, shared): Change from Common to
3314         Driver.
3315         * gcc.c (display_help): Display help for -pie and -shared.
3316
3317 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3318
3319         PR target/49868
3320         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3321         Remove note on size/offset limitation.
3322         (AVR Variable Attributes): Add example how to read data located
3323         with progmem.  Refer to named address spaces.
3324         * doc/invoke.texi (AVR Options): Fix typo.
3325
3326 2012-01-24  Richard Guenther  <rguenther@suse.de>
3327
3328         Forward-port to trunk
3329         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR middle-end/45678
3332         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3333         op0 isn't sufficiently aligned and there is movmisalignM
3334         insn for mode, use it to load op0 into a temporary register.
3335
3336 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3337
3338         PR target/51957
3339         * target.def (const_not_ok_for_debug_p): New hook.
3340         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3341         documentation.
3342         * doc/tm.texi: Regenerated.
3343         * dwarf2out.c (const_ok_for_output_1): If
3344         targetm.const_not_ok_for_debug_p returns true, fail.
3345         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3346         function.
3347         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3348
3349 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3350
3351         PR target/51900
3352         * config/i386/predicates.md (symbolic_operand): Allow
3353         UNSPEC_PCREL as PIC expression for lea.
3354         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3355         * config/i386/i386.c (ix86_delegitimize_address): Handle
3356         UNSPEC_PCREL for none-MEM, too.
3357
3358 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3359
3360         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3361         (ipa_tm_create_version_alias): Same.
3362
3363 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3364
3365         PR libitm/51830
3366         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3367         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3368
3369 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3370             Patrick Marlier  <patrick.marlier@gmail.com>
3371             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3372
3373         PR lto/51916
3374         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3375         simple_object_start_read.
3376
3377 2012-01-23  Richard Guenther  <rguenther@suse.de>
3378
3379
3380         PR tree-optimization/51895
3381         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3382         parameter decomposition into BLKmode components.
3383
3384 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3385
3386         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3387         fake variables for restrict-qualified pointers whose pointed-to type
3388         contains a placeholder.
3389
3390 2012-01-23  Richard Guenther  <rguenther@suse.de>
3391
3392         PR tree-optimization/51949
3393         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3394
3395 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3396
3397         PR rtl-optimization/51933
3398         * ree.c (transform_ifelse): Return true right away if dstreg is
3399         already wider or equal to cand->mode.
3400         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3401         (make_defs_and_copies_lists): Remove defs_list and copies_list
3402         arguments, add state argument, just truncate state->work_list
3403         instead of always allocating and freeing the vector.  Assert that
3404         get_defs succeeds instead of returning 2.  Changed return type to bool.
3405         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3406         have ext_src_mode, see if it has been modified already with the
3407         right kind of extension and has been extended before from the
3408         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3409         just return true.  Remember the original mode in state->modified array.
3410         (combine_reaching_defs): Add state argument.  Don't allocate and
3411         free here def_list, copied_list and vec vectors, instead just
3412         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3413         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3414         Add state variable, clear vectors in it, initialize state.modified
3415         if needed.  Free all the vectors at the end and state.modified too.
3416         Don't skip a candidate if the extension expression has been modified.
3417
3418 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3419
3420         PR target/47096
3421         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3422          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3423         (extra_options) interix.opt -> i386/interix.opt"
3424         (extra_objs):Add winnt-stubs.o
3425         * configure.ac: Add interix to target_os .comm on PE check.
3426         * configure: Regenerate.
3427         * config/interix3.h: Delete and move bits to..
3428         * config/interix.h: Delete and move bits to..
3429         * config/i386/i386-interix3.h: Delete and move bits to..
3430         * config/i386/i386-interix.h: ..here.
3431         (TARGET_CPU_DEFAULT): Remove redefinition.
3432         (TARGET_ASM_CONSTRUCTOR): Undefine.
3433         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3434         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3435         (PTRDIFF_TYPE): Define.
3436         (LONG_DOUBLE_TYPE_SIZE): Define.
3437         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3438         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3439         (TARGET_SECTION_TYPE_FLAGS): Define.
3440         (ASM_DECLARE_FUNCTION_NAME): Define.
3441         (ASM_OUTPUT_EXTERNAL): Define.
3442         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3443         (ASM_OUTPUT_ALIGNED_BSS): Define.
3444         (PCC_BITFIELD_TYPE_MATTERS): Define.
3445         (USE_CONST_SECTION): Define.
3446         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3447         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3448         (SUPPORTS_ONE_ONLY): Remove.
3449         (I386_PE_STRIP_ENCODING): Define.
3450         * config/interix.opt: Delete and move bits to..
3451         * config/i386/interix.opt: ..here. New.
3452         (mpe-aligned-commons): Add.
3453         * config/i386/t-interix: Add copyright header.
3454         (winnt-stubs.o): Add rule.
3455
3456 2012-01-22  Jason Merrill  <jason@redhat.com>
3457
3458         PR c++/51832
3459         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3460         for extra name aliases.
3461
3462 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3463
3464         PR rtl-optimization/51924
3465         * ree.c (combine_set_extension): Improve debugging message.
3466         (combine_reaching_defs): Likewise.
3467         (get_defs): Rename confusingly named variable.
3468         (find_and_remove_re): Skip a candidate if the extension expression has
3469         been modified.
3470
3471 2012-01-21  Robert Millan  <rmh@gnu.org>
3472             Gerald Pfeifer  <gerald@pfeifer.com>
3473
3474         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3475         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3476
3477 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3478
3479         PR tree-optimization/51914
3480         * tree-vect-stmts.c (vectorizable_conversion): For
3481         cvt_type && modifier == WIDEN, put temporary with cvt_type
3482         at the beginning of vec_dsts and set vec_dest to temporary
3483         with vectype_out.
3484
3485 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3486
3487         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3488
3489 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3490
3491         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3492         * config/rs6000/rs6000.c: Likewise.
3493
3494 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3495
3496         PR target/51915
3497         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3498         output_move_double on a copy of operands array.
3499
3500 2012-01-20  Cary Coutant  <ccoutant@google.com>
3501             Dodji Seketeli  <dodji@redhat.com>
3502
3503         PR debug/45682
3504         * dwarf2out.c (copy_declaration_context): Return ref to parent
3505         of declaration DIE, if necessary.
3506         (remove_child_or_replace_with_skeleton): Add new parameter; update
3507         caller.  Place skeleton DIE under parent DIE of original declaration.
3508         Move call to copy_declaration_context to here ...
3509         (break_out_comdat_types): ... from here.
3510
3511 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3512
3513         PR rtl-optimization/51856
3514         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3515         flag to reloaded.
3516
3517 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3518
3519         PR target/51819
3520         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3521         hints for neon loads and stores.
3522
3523 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3524
3525         PR target/49868
3526         PR target/50887
3527         * doc/extend.texi (Named Address Spaces): Split into subsections.
3528         (AVR Named Address Spaces): New subsection.
3529         (M32C Named Address Spaces): New subsection.
3530         (RL78 Named Address Spaces): New subsection.
3531         (SPU Named Address Spaces): New subsection.
3532         (Variable Attributes): New anchor "AVR Variable Attributes".
3533         (AVR Variable Attributes): Rewrite and avoid wording
3534         "address space" in this context.
3535         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3536         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3537         (AVR Built-in Macros): New subsubsection therein.
3538         * doc/md.texi (AVR constraints): Remove "C04", "R".
3539
3540 2012-01-20  Richard Guenther  <rguenther@suse.de>
3541
3542         PR tree-optimization/51903
3543         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3544         when removing stmts.
3545
3546 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3547
3548         PR target/50313
3549         * config/arm/arm.c (arm_load_pic_register): Use
3550         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3551         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3552         (arm_pic_static_addr): Likewise.
3553         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3554         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3555         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3556         (pic_load_addr_unified): New.
3557
3558 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3559
3560         PR target/51106
3561         * function.c (instantiate_virtual_regs_in_insn): Use
3562         delete_insn_and_edges when removing a wrong asm insn.
3563
3564 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3565
3566         PR rtl-optimization/40761
3567         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3568         Add new member loop_num.
3569         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3570         (ira_build): Remove the parameter.
3571
3572         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3573         (ira.c): Do not build CFG loops for one region allocation.  Remove
3574         argument from ira_build call.
3575
3576         * ira-build.c (init_loop_tree_node): New function.
3577         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3578         loops are not built.
3579         (more_one_region_p): Check current_loops.
3580         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3581         built.
3582         (add_loop_to_tree): Process loop equal to NULL too.
3583         (form_loop_tree): Separate the case when CFG loops are not built.
3584         Use explicitly number for the root.
3585         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3586         an assertion.
3587         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3588         instead of loop->num.
3589         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3590         (mark_all_loops_for_removal): Ditto.
3591         (remove_unnecessary_regions): Separate the case when CFG loops
3592         are not built.
3593         (ira_build): Remove the parameter.  Use explicit number of regions
3594         when CFG loops are not built.
3595
3596         * ira-color.c (print_loop_title): Separate the case for the root node.
3597         Use loop_num instead of loop->num.
3598         (move_spill_restore): Use loop_num instead of loop->num.
3599
3600         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3601         (change_loop): Ditto.
3602         (change_loop): Use loop_num instead of loop->num.
3603
3604         * ira-lives.c (process_bb_node_lives): Ditto.
3605
3606         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3607
3608         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3609
3610 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3611
3612         PR libmudflap/40778
3613         * tree-mudflap.c (mf_artificial): New function.
3614         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3615         mx_register_decls, mudflap_enqueue_decl): Use it.
3616
3617         PR target/51876
3618         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3619         numbers in the insn pattern.
3620
3621 2012-01-19  Michael Matz  <matz@suse.de>
3622
3623         PR tree-optimization/46590
3624         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3625         use it in remembering which conflicts we already created.
3626         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3627         bitmap.
3628
3629 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3630
3631         PR lto/51280
3632         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3633         (merge_and_complain): Same.
3634
3635 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3636
3637         PR bootstrap/50237
3638         * config/initfini-array.h: Guard content of the header
3639         with #ifdef HAVE_INITFINI_ARRAY.
3640         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3641         Add initfini-array.h to tm_file here.
3642         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3643         * config.gcc: Don't add initfini-array.h to tm_file here.
3644         * configure: Regenerated.
3645
3646 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3647
3648         PR rtl-optimization/51505
3649         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3650         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3651         (df_note_bb_compute): Update the call to df_kill_notes.
3652
3653 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3654
3655         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3656
3657 2012-01-18  Richard Guenther  <rguenther@suse.de>
3658
3659         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3660         of conversions to void *.
3661
3662 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3663             Richard Sandiford  <rdsandiford@googlemail.com>
3664
3665         PR middle-end/50325
3666         PR middle-end/51192
3667         * optabs.h (simplify_expand_binop): Declare.
3668         * optabs.c (simplify_expand_binop): Make global.
3669         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3670         endian targets if the source cannot be exactly covered by word
3671         mode chunks.
3672
3673 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3674
3675         PR bootstrap/51872
3676         * hard-reg-set.h (struct hard_reg_set_container): New type.
3677         * target.h (struct hard_reg_set_container): Forward declare.
3678         * target.def (set_up_by_prologue): New target hook.
3679         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3680         * doc/tm.texi: Regenerated.
3681         * function.c (thread_prologue_and_epilogue_insns): Change
3682         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3683         Call targetm.set_up_by_prologue on it.
3684         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3685         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3686
3687 2012-01-17  Nick Clifton  <nickc@redhat.com>
3688
3689         * config/rx/rx.c (rx_can_use_simple_return): New function.
3690         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3691         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3692
3693 2012-01-17  Richard Guenther  <rguenther@suse.de>
3694
3695         PR middle-end/51782
3696         * expr.c (expand_assignment): Take address-space information
3697         from the address operand of MEM_REF and TARGET_MEM_REF.
3698         (expand_expr_real_1): Likewise.
3699
3700 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3701
3702         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3703         reload dump is requested.
3704
3705 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3706
3707         PR other/51165
3708         * trans-mem.c (requires_barrier): Call may_be_aliased.
3709
3710 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3711
3712         PR tree-optimization/51877
3713         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3714         call arguments and fndecls compare equal, instead return false if they
3715         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3716         both SSA_NAMEs that are valueized the same, or they satisfy
3717         operand_equal_p.
3718
3719 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3720
3721         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3722         Solaris 11+.
3723         * configure: Regenerate.
3724
3725 2012-01-16  Jan Hubicka  <jh@suse.cz>
3726
3727         PR c/12245
3728         PR c++/14179
3729         * convert.c (convert_to_integer): Use fold_convert for
3730         converting an INTEGER_CST to integer type.
3731
3732 2012-01-16  Jason Merrill  <jason@redhat.com>
3733
3734         PR c++/14179
3735         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3736
3737 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3738
3739         PR bootstrap/51860
3740         * config/s390/s390.c (s390_chunkify_start): Don't skip
3741         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3742         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3743         If insn is followed by NOTE_INSN_VAR_LOCATION or
3744         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3745         Don't use location of note insns.
3746
3747         PR tree-optimization/51865
3748         * tree-inline.c (tree_function_versioning): Call remap_decl
3749         on DECL_RESULT whenever it has VOID_TYPE_P type.
3750
3751 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3752
3753         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3754         for calls to locally-binding MIPS16 functions if only the return
3755         type uses float regs.
3756
3757 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3758             Richard Sandiford  <rdsandiford@googlemail.com>
3759
3760         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3761         (SYMBOL_32_HIGH): Likewise.
3762         (mips_output_tls_reloc_directive): Declare.
3763         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3764         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3765         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3766         (mips_lo_relocs, mips_hi_relocs): Make extern.
3767         (mips16_stub_function): Move up file.
3768         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3769         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3770         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3771         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3772         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3773         (mips_get_tp): Add MIPS16 support.
3774         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3775         Generalize DTPREL and TPREL handling.
3776         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3777         Add MIPS16 TLS support.
3778         (mips_output_tls_reloc_directive): New function.
3779         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3780         * config/mips/predicates.md (symbolic_operand_with_high)
3781         (tls_reloc_operand): New predicates.
3782         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3783         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3784         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3785         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3786         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3787         (*tls_get_tp_mips16_call_<mode>): Likewise.
3788
3789 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3790
3791         PR rtl-optimization/51821
3792         * recog.c (peep2_find_free_register): Determine clobbered registers
3793         from insn pattern.
3794
3795 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3796
3797         PR target/50925
3798         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3799         * config/avr/avr.c: Likewise.
3800         * config/avr/avr.h: Likewise.
3801
3802 2012-01-13  Ian Lance Taylor  <iant@google.com>
3803
3804         PR c++/50012
3805         * tree.h (TYPE_QUALS): Add cast to int.
3806         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3807
3808 2012-01-13  Ian Lance Taylor  <iant@google.com>
3809
3810         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3811         comparing param_index to VEC_length result.
3812
3813 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3814
3815         * c-decl.c: Do not include tree-mudflap.h
3816         * tree-optimize.c: Likewise.
3817         * Makefile.in: Update dependencies.
3818
3819 2012-01-13  Richard Guenther  <rguenther@suse.de>
3820
3821         PR middle-end/8081
3822         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3823         variable-sized result always use RSO.
3824
3825 2012-01-12  DJ Delorie  <dj@redhat.com>
3826
3827         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3828         pointer type, not just the default pointer type.
3829
3830 2012-01-09  Richard Henderson  <rth@redhat.com>
3831             Denis Chertykov  <chertykov@gmail.com>
3832
3833         PR target/50925
3834         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3835         * config/avr/avr.c (avr_can_eliminate): Simplify.
3836         (avr_initial_elimination_offset): Likewise.
3837         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3838         (expand_epilogue): Likewise.
3839         (avr_legitimize_address): Gut.
3840         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3841         (avr_hard_regno_nregs): New.
3842         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3843         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3844         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3845         add soft frame pointer.
3846         (CALL_USED_REGISTERS): Likewise.
3847         (REG_CLASS_CONTENTS): Likewise.
3848         (REGISTER_NAMES): Likewise.
3849         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3850         (HARD_FRAME_POINTER_REGNUM): New.
3851         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3852         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3853         remove the HARD_FRAME_POINTER self-elimination.
3854
3855 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3856
3857         PR target/51756
3858         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3859         DECL_EXTERNAL when checking for initializers of progmem variables.
3860
3861 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3862
3863         PR tree-optimization/51799
3864         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3865         that the last operation is a type demotion.
3866
3867 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3868
3869         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3870         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3871
3872 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3873
3874         PR bootstrap/51796
3875         * combine.c (distribute_notes): If i3 is a noreturn call,
3876         allow old_size to be equal to args_size and make sure the
3877         noreturn call gets REG_ARGS_SIZE note.
3878         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3879         on noreturn calls even when the delta is 0.
3880
3881 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3882
3883         * gcov.c (STRING_SIZE): Remove.
3884         (generate_results): Erase annotations for source files with no
3885         coverage information.
3886         (read_line): New.
3887         (output_lines): Use it.
3888
3889 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3890
3891         * gimple.h (gimplify_body): Remove first argument.
3892         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3893         pointer set here, instead just pass DATA to walk_tree.
3894         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3895         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3896         (unvisit_body): Likewise, but with unmark_visited.
3897         (gimplify_body): Remove BODY_P argument and adjust.
3898         (gimplify_function_tree): Adjust call to gimplify_body.
3899         * omp-low.c (finalize_task_copyfn): Likewise.
3900
3901 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3902
3903         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3904         (build_function_type_skip_args): Delete.
3905         * tree.c (build_function_type_skip_args): Make static and add
3906         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3907         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3908         pass it to build_function_type_skip_args.
3909         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3910         (tree_function_versioning): Likewise.
3911         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3912         build_function_decl_skip_args.
3913         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3914         and pass it to build_function_decl_skip_args/tree_function_versioning.
3915         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3916         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3917         * trans-mem.c (ipa_tm_create_version): Likewise.
3918         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3919         * tree-inline.c (declare_return_variable): Remove always-true test.
3920         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3921         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3922         * ipa-split.c (split_function): Skip the return value for the split
3923         part if it doesn't return.
3924
3925 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3926
3927         PR tree-optimization/49642
3928         * ipa-split.c (forbidden_dominators): New variable.
3929         (check_forbidden_calls): New function.
3930         (dominated_by_forbidden): Likewise.
3931         (consider_split): Check for forbidden dominators.
3932         (execute_split_functions): Initialize and free forbidden
3933         dominators info; call check_forbidden_calls.
3934
3935 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3936
3937         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3938
3939 2012-01-11  Nick Clifton  <nickc@redhat.com>
3940
3941         * config/rx/rx.md (return): Define pattern.
3942
3943 2012-01-11  Richard Guenther  <rguenther@suse.de>
3944
3945         * doc/extend.texi (malloc attribute): Adjust according to
3946         implementation.
3947
3948 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3949             Patrick Marlier  <patrick.marlier@gmail.com>
3950
3951         PR middle-end/51516
3952         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3953         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3954         (ipa_tm_note_irrevocable): Same.
3955         (ipa_tm_scan_irr_block): Same.
3956         (ipa_tm_decrement_clone_counts): Same.
3957         (ipa_tm_scan_irr_function): Same.
3958         (ipa_tm_create_version_alias): Same.
3959         (ipa_tm_create_version): Same.
3960         (ipa_tm_transform_calls_redirect): Same.
3961         (ipa_tm_transform_calls): Same.
3962         (ipa_tm_transform_transaction): Same.
3963         (ipa_tm_execute): Same.
3964
3965 2012-01-10  Richard Guenther  <rguenther@suse.de>
3966
3967         PR middle-end/51806
3968         * opts.c (common_handle_option): Handle -Werror.
3969
3970 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3971
3972         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3973         operand number.
3974
3975 2012-01-10  Jason Merrill  <jason@redhat.com>
3976
3977         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3978         information.
3979
3980 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3981
3982         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3983         supports R_386_TLS_GD_PLT reloc.
3984         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3985         supports R_386_TLS_LDM_PLT reloc.
3986         * configure: Regenerate.
3987         * config.in: Regenerate.
3988
3989 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3990
3991         PR target/49868
3992         Extend __pgmx semantics to linearize memory.
3993         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3994         determine if code comes inline or from libgcc.
3995         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3996         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3997         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3998         (movmemx_qi, movmemx_hi): New insns.
3999         (xload_<mode>_libgcc): Rewrite to new insn condition.
4000         (xload_<mode>): Remove insns.
4001         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4002         cases that don't satisfy avr_xload_libgcc_p().
4003         (avr_addr_space_convert): Allow converting in any direction.
4004         (avr_addr_space_subset_p): Return always true.
4005         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4006         (avr_emit_movmemhi): Ditto.
4007         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4008         (avr_out_movmem): Ditto.
4009         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4010         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4011         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4012         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4013         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4014
4015 2012-01-10  Richard Guenther  <rguenther@suse.de>
4016
4017         PR tree-optimization/50913
4018         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4019         Require data-refs to be representable by Graphite with respect
4020         to any loop nest.
4021
4022 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4023
4024         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4025         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4026
4027 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4028
4029         PR rtl-optimization/51271
4030         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4031         handling annulled branch.
4032
4033 2012-01-10  Richard Henderson  <rth@redhat.com>
4034
4035         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4036         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4037         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4038         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4039         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4040         arm_expand_vec_perm_const): New.
4041         * config/arm/arm-protos.h: Update.
4042         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4043         (*neon_vswp<VDQX>): New.
4044         (neon_vcombine<VDX>): Use neon_split_vcombine.
4045         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4046         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4047         (vec_perm<VE>): New.
4048
4049 2012-01-10  Richard Henderson  <rth@redhat.com>
4050
4051         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4052         use it if reload_completed.
4053         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4054         arm_output_asm_insn, arm_process_output_memory_barrier,
4055         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4056         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4057         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4058         arm_process_output_sync_insn, arm_output_sync_insn,
4059         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4060         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4061         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4062         (emit_unlikely_jump): New.
4063         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4064         (arm_split_atomic_op): New.
4065         * config/arm/arm-protos.h: Update.
4066         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4067         (struct arm_sync_generator): Remove.
4068         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4069         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4070         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4071         (VUNSPEC_LL, VUNSPEC_SC): New.
4072         (sync_result, sync_memory, sync_required_value, sync_new_value,
4073         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4074         (attr length): Don't use arm_sync_loop_insns.
4075         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4076         (movsfcc, movdfcc): Likewise.
4077         * config/arm/constraints.md (Ua): New.
4078         * config/arm/prediates.md (mem_noofs_operand): New.
4079         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4080         (sync_clobber, sync_t2_reqd): Remove.
4081         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4082         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4083         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4084         (arm_sync_compare_and_swap<SIDI>): Remove.
4085         (arm_sync_compare_and_swap<NARROW>): Remove.
4086         (arm_sync_lock_test_and_set<SIDI>): Remove.
4087         (arm_sync_lock_test_and_set<NARROW>): Remove.
4088         (arm_sync_new_<syncop><SIDI>): Remove.
4089         (arm_sync_new_<syncop><NARROW>): Remove.
4090         (arm_sync_new_nand<SIDI>): Remove.
4091         (arm_sync_new_nand<NARROW>): Remove.
4092         (arm_sync_old_<syncop><SIDI>): Remove.
4093         (arm_sync_old_<syncop><NARROW>): Remove.
4094         (arm_sync_old_nand<SIDI>): Remove.
4095         (arm_sync_old_nand<NARROW>): Remove.
4096         (*memory_barrier): Merge arm_output_memory_barrier.
4097         (atomic_compare_and_swap<QHSD>): New.
4098         (atomic_compare_and_swap<NARROW>_1): New.
4099         (atomic_compare_and_swap<SIDI>_1): New.
4100         (atomic_exchange<QHSD>): New.
4101         (cas_cmp_operand, cas_cmp_str): New.
4102         (atomic_op_operand, atomic_op_str): New.
4103         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4104         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4105         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4106         (arm_load_exclusive<NARROW>): New.
4107         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4108         (arm_store_exclusive<QHSD>): New.
4109
4110 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4111
4112         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4113         reload patterns if -mvsx-scalar-memory.
4114
4115         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4116         generated, even -mno-vsx-scalar-double was used.
4117         (vsx_xscvdpsp_scalar): Likewise.
4118         (vsx_xscvspdp_scalar2): Likewise.
4119
4120 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4121             Andrew Pinski  <apinski@cavium.com>
4122
4123         PR debug/51471
4124         * reorg.c (fill_slots_from_thread): Don't speculate
4125         frame-related insns.
4126