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