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2012-05-24 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-24  Richard Guenther  <rguenther@suse.de>
2
3         PR middle-end/53460
4         * tree-profile.c (tree_profiling): Cleanup the CFG if
5         execute_fixup_cfg requests it.
6
7 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
8
9         PR tree-optimization/53465
10         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
11         vr0 into *vr, then vrp_meet that.
12         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
13         have any equivalences.
14         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
15         first time.
16
17 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
18
19         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
20         size handling.
21         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
22         (iterative_hash_gimple_type): Adjust comment.
23         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
24         domain for an array type instead of the domain type itself.
25
26 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
27
28         Backport from 2012-05-23 mainline r187803
29
30         PR target/53448
31         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
32         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
33         ASM_OUTPUT_ALIGN.
34
35 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
36
37         Backport from 2012-05-03 mainline r187075
38
39         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
40         has_fma4 for AMD processors with both fma3 and fma4 support.
41
42 2012-05-22  Richard Guenther  <rguenther@suse.de>
43
44         PR tree-optimization/53408
45         * tree-vect-loop.c (vectorizable_induction): Properly check
46         the restriction that we cannot handle induction results from
47         the inner loop outside of the outer loop.
48
49 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
50
51         PR tree-optimization/53436
52         * omp-low.c (omp_build_component_ref): New function.
53         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
54
55         PR tree-optimization/53366
56         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
57         tests if complex_numbers == 2, but there are non-complex number loads
58         too.
59
60         PR tree-optimization/53409
61         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
62         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
63
64         PR tree-optimization/53410
65         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
66         instead of build_int_cst (type, 0) where vector types might be
67         involved.
68
69 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
70
71         PR c/53418
72         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
73         from folded operands before wrapping another around the
74         conditional expression.
75
76 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
77             Patrick Marlier  <patrick.marlier@gmail.com>
78
79         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
80         indirect calls.
81
82 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
83
84         Backport from mainline
85         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
86
87         PR target/53416
88         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
89         (UNSPECV_RDRAND): This.
90         (rdrand<mode>_1): Updated.
91
92 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
93
94         Backport from mainline
95         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
96
97         * config/i386/driver-i386.c (host_detect_local_cpu): Support
98         RDRND, F16C and FSGSBASE.
99
100 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
101
102         Backport from mainline
103         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
104
105         * tree-ssa-pre.c (can_value_number_call): Delete.
106         (compute_avail): Skip all statements with side effects.
107         <GIMPLE_CALL>: Skip calls to internal functions.
108
109 2012-05-18  David S. Miller  <davem@davemloft.net>
110
111         Backport r185385 from mainline
112         2012-03-14  Richard Guenther  <rguenther@suse.de>
113
114         PR middle-end/52584
115         * tree-vect-generic.c (type_for_widest_vector_mode): Take
116         element type instead of mode, use build_vector_type_for_mode
117         instead of the langhook, build a vector of proper signedness.
118         (expand_vector_operations_1): Adjust.
119
120 2012-05-18  Olivier Hainque  <hainque@adacore.com>
121
122         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
123         $(libsubdir) as libexecsubdir.
124
125 2012-05-16  Andrew Pinski  <apinski@cavium.com>
126
127         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
128         GIMPLE_ASSIGN.
129
130 2012-05-16  David S. Miller  <davem@davemloft.net>
131
132         * jump.c (delete_related_insns): If we remove a CALL, make sure
133         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
134
135 2012-05-16  Richard Henderson  <rth@redhat.com>
136
137         PR debug/52727
138         * combine-stack-adj.c (prev_active_insn_bb): New.
139         (next_active_insn_bb): New.
140         (force_move_args_size_note): New.
141         (combine_stack_adjustments_for_block): Use it.
142
143 2012-05-16  Olivier Hainque  <hainque@adacore.com>
144
145         * Makefile.in (install-no-fixedincludes): New target, former toplevel
146         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
147         Add comments and improve stamp preservation across the whole sequence.
148         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
149
150 2012-05-16  Richard Guenther  <rguenther@suse.de>
151
152         PR tree-optimization/53364
153         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
154         detect a view-conversion of the decl.
155
156 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
157
158         PR target/53358
159         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
160         that operands[2] is either immediate, or q_regs_operand.
161
162 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
163
164         Backport r187139 from mainline.
165         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
166
167         PR rtl-optimization/52804
168         * reload1.c (reload_reg_reaches_end_p): Check whether successor
169         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
170         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
171         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
172         RELOAD_FOR_OUTADDR_ADDRESS.
173
174 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
175
176         PR target/46098
177         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
178         generate target register for "load" class builtins.
179
180         Revert:
181         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
182
183         PR target/46098
184         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
185         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
186         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
187         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
188         (<sse>_movu<ssemodesuffix>): New expander.
189         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
190         (avx_movdqu<avxmodesuffix>): New expander.
191         (*sse2_movdqu): Rename from sse2_movdqu.
192         (sse2_movdqu): New expander.
193
194 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
195
196         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
197         lineno 1 the same as lineno 0 before first start file directive.
198         (optimize_macinfo_range): Likewise.
199
200         * dwarf2out.c (have_macinfo): Define.
201         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
202         attribute, don't force empty compilation unit and don't emit any
203         .debug_macinfo/.debug_macro section if macinfo_table is empty.
204
205 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
206
207         Backport from mainline
208         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
209
210         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
211         ORDERED and UNORDERED conditions.
212
213 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
214
215         * function.c (requires_stack_frame_p): If the function can throw
216         non-call exceptions, return true if the insn can throw internally.
217
218 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
219
220         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
221         DECL_ORIGINAL_TYPE if it is present.
222
223 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
224
225         Backport from 2012-05-12 mainline r187342.
226
227         PR target/53256
228         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
229         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
230         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
231         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
232         (expand_prologue): Move initialization of cfun->machine->is_naked,
233         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
234         (avr_set_current_function): ...this new static function.
235         (TARGET_SET_CURRENT_FUNCTION): New define.
236         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
237         checking attributes of current_function_decl.
238         (avr_regs_to_save): Ditto.
239         (signal_function_p): Rename to avr_signal_function_p.
240         (interrupt_function_p): Rename to avr_interrupt_function_p.
241
242         * doc/extend.texi (Function Attributes): Better explanation of
243         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
244         alphabetical order.
245
246 2012-05-09  Matthias Klose  <doko@ubuntu.com>
247
248         * gcc-ar.c (main): Don't check for execute bits for the plugin.
249
250 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
251
252         PR target/53272
253         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
254         when a constant source operand matches an "I" constraint, the "no
255         CC0 change" applies to a register-destination only, not a
256         strict_low_part-destination.
257
258 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
259
260         Backport from mainline:
261         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
262
263         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
264
265 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
266
267         PR tree-optimization/53239
268         * tree-vrp.c (get_value_range): Set VR of
269         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
270         to nonnull.
271
272 2012-05-07  Richard Guenther  <rguenther@suse.de>
273
274         PR tree-optimization/53195
275         * tree-inline.c (setup_one_parameter): Properly add referenced
276         vars from the parameters new known value.
277
278 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
279
280         Backport from mainline:
281         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
282
283         PR target/52999
284         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
285         in constant pool.
286
287 2012-05-04  Ian Lance Taylor  <iant@google.com>
288
289         * tree-vect-patterns.c (vect_single_imm_use): Correct return
290         values from false to NULL.
291
292 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
293
294         Backport from mainline
295         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
296
297         PR target/53228
298         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
299         (TARGET_CMOV): Rename from TARGET_CMOVE.
300         (TARGET_CMOVE): New define.
301         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
302         Do not set TARGET_CMOVE here.
303
304 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
305
306         Backport from mainline:
307
308         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
309
310         PR tree-optimization/52633
311         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
312         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
313         (vect_recog_over_widening_pattern): Remove handling of code that was
314         already detected as over-widening pattern.  Remove special handling
315         of "unsigned" cases.  Instead, support general case of conversion
316         of the shift result to another type.
317
318         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
319
320         * tree-vect-patterns.c (vect_single_imm_use): New function.
321         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
322         (vect_recog_over_widening_pattern): Likewise.
323         (vect_recog_widen_shift_pattern): Likewise.
324
325         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
326
327         PR tree-optimization/52870
328         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
329         presumed pattern statement is within the same loop or basic block.
330
331 2012-05-04  Richard Guenther  <rguenther@suse.de>
332
333         * common.opt (flto-report): Do not mark as Optimization.
334
335 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
336
337         PR target/48496
338         * recog.c (constrain_operands): If extra constraints are present, also
339         accept pseudo-registers with equivalent memory locations during reload.
340
341 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
342
343         Backport from the mainline
344         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
345
346         PR target/53199
347         * config/rs6000/rs6000.md (bswapdi splitters): If
348         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
349         default) is used, generate an alternate sequence that does not
350         depend on using indexed addressing.
351
352 2012-05-03  David S. Miller  <davem@davemloft.net>
353
354         PR target/52684
355         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
356         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
357         (sparc_emit_float_lib_cmp): Likewise.
358
359 2012-05-04  Martin Jambor  <mjambor@suse.cz>
360
361         Backport from mainline
362         2012-05-02  Martin Jambor  <mjambor@suse.cz>
363
364         PR lto/52605
365         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
366         of a variable when the contect is a function.
367
368 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
369
370         PR plugins/53126
371         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
372         append program name to it and pass that as first argument
373         to make_relative_prefix.  Always pass standard_libexec_prefix
374         as last argument to make_relative_prefix.  If
375         make_relative_prefix returns NULL, fall back to
376         standard_libexec_prefix.
377
378         PR debug/53174
379         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
380         removed.
381
382         PR target/53187
383         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
384         mode, return that mode.
385
386 2012-05-03  Richard Guenther  <rguenther@suse.de>
387
388         PR tree-optimization/53144
389         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
390         Rename to ...
391         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
392         with SSA name values.
393         (vn_reference_lookup_3): Adjust callers.
394
395 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
396
397         PR tree-optimization/53163
398         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
399         return value from compute_all_dependences.
400
401         PR rtl-optimization/53160
402         * ree.c (combine_reaching_defs): Handle the case where cand->insn
403         has been modified by ree pass already.
404
405 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
406
407         Backport from mainline
408         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
409
410         PR middle-end/53136
411         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
412         calls to cgraph_node_name in xstrdup.
413         (ipa_make_edge_direct_to_target): Ditto.
414         * tree-sra.c (convert_callers_for_node): Ditto.
415         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
416         * ipa-cp.c (perhaps_add_new_callers): Ditto.
417         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
418         (cgraph_materialize_all_clones): Ditto.
419         * ipa-inline.c (report_inline_failed_reason): Ditto.
420         (want_early_inline_function_p): Ditto.
421         (edge_badness): Ditto.
422         (update_edge_key): Ditto.
423         (flatten_function): Ditto.
424         (ipa_inline): Ditto.
425         (inline_always_inline_functions): Ditto.
426         (early_inline_small_functions): Ditto.
427
428 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
429
430         Backport from mainline
431         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
432
433         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
434         Introduce emul_name to select the right linker emulation for
435         powerpc64-*-freebsd*.
436         * configure: Regenerate.
437         * config.gcc: Add bits to support powerpc64-*-freebsd*.
438         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
439         * config/rs6000/freebsd64.h: New file.
440         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
441         POWERPC_FREEBSD.
442         (rs6000_savres_strategy): Likewise.
443         (rs6000_savres_routine_name): Likewise.
444         (rs6000_elf_file_end): Likewise.
445         * config/rs6000/t-freebsd64: New file.
446         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
447         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
448
449 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
450
451         Backport from mainline
452         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
453
454         PR target/53138
455         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
456
457 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
458
459         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
460         predicate to discriminate types.
461
462 2012-04-27  Richard Guenther  <rguenther@suse.de>
463
464         PR c/51527
465         * convert.c (convert_to_integer): Avoid infinite recursion for
466         target-defined built-in types.
467
468 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
469
470         PR target/53120
471         * config/cris/cris.md ("*andhi_lowpart_v32")
472         ("*andqi_lowpart_v32"): Change first input-only operand from
473         a (match_operand ...) to (match_dup 0).  Drop alternatives with
474         const_int-matching constraints for redundancy.
475         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
476         three-operand alternative.
477
478 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
479
480         Backport from mainline
481         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
482
483         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
484         (*addsi_2_zext): Ditto.
485         (*add<mode>_3): Ditto.
486         (*addsi_3_zext): Ditto.
487         (*add<mode>_5): Ditto.
488
489 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
490
491         PR c/52880
492         * c-typeck.c (set_nonincremental_init,
493         set_nonincremental_init_from_string): Pass true instead of false
494         as IMPLICIT to add_pending_init.
495
496 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
497
498         Backport from 2012-04-24 mainline r186768.
499
500         PR target/53065
501         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
502
503 2012-04-24  Richard Guenther  <rguenther@suse.de>
504
505         PR tree-optimization/53085
506         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
507         stores.
508
509 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
510
511         PR middle-end/53084
512         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
513         of MEM_REF.
514         (output_addressed_constants): Likewise.
515
516         PR middle-end/52999
517         * varasm.c (get_section): Don't ICE for section conflicts with
518         built-in section kinds.
519
520 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
521
522         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
523
524 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
525
526         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
527
528 2012-04-23  Richard Guenther  <rguenther@suse.de>
529
530         PR c/53060
531         * c-typeck.c (build_binary_op): Fix typo.
532
533 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
534
535         PR tree-optimizations/52891
536         * tree-vect-patterns.c (adjust_bool_pattern): Use
537         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
538         but with non-standard precision.
539
540 2012-04-22  Ian Lance Taylor  <iant@google.com>
541
542         * godump.c (go_output_typedef): Dump size of structs.
543
544 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
545
546         Backport from mainline:
547
548         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
549         hints for 'A' operand types.
550
551 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
552
553         Backport from 2012-04-19 mainline r186588.
554
555         PR target/53033
556         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
557         the case *(X+const).
558
559 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
560
561         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
562
563 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
564
565         PR target/53020
566         * config/i386/sync.md (atomic_<code><mode>): Rename to
567         atomic_<logic><mode>.
568
569 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
570
571         Backport from mainline
572         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
573
574         PR target/52932
575         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
576         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
577         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
578         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
579         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
580         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
581         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
582         gen_avx2_permvarv8sf.
583
584 2012-04-16  Martin Jambor  <mjambor@suse.cz>
585
586         Backported from mainline
587
588         2012-04-13  Martin Jambor  <mjambor@suse.cz>
589         PR middle-end/52939
590
591         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
592         fold_ctor_reference returns a zero constant.
593
594 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
595
596         Backported from mainline
597         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
598
599         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
600         and __ILP32__ for x32.
601
602 2012-04-13  Tom de Vries  <tom@codesourcery.com>
603
604         Backport from mainline r186418.
605
606         2012-04-13  Tom de Vries  <tom@codesourcery.com>
607
608         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
609         parameters vuse and vuse_escaped.
610         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
611         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
612         vuse1 != vuse2.
613
614 2012-04-13  Richard Guenther  <rguenther@suse.de>
615
616         PR tree-optimization/52969
617         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
618         the condition for the COND_EXPR and handle predicate negation
619         by swapping the COND_EXPR arms.
620
621 2012-04-13  Richard Guenther  <rguenther@suse.de>
622
623         PR c/52862
624         * convert.c (convert_to_pointer): Remove special-casing of
625         zero.
626
627 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
628
629         Backport from mainline
630         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
631
632         PR target/52775
633         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
634         the list of options to enable the FCFID instruction.
635         (TARGET_EXTRA_BUILTINS): Adjust comment.
636
637 2012-04-12  Richard Guenther  <rguenther@suse.de>
638
639         PR tree-optimization/52943
640         * tree-chrec.h (chrec_is_positive): Remove.
641         * tree-scalar-evolution.c (chrec_is_positive): Move ...
642         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
643         Return false for a constant zero instead of negative.
644         (analyze_siv_subscript_cst_affine): Handle zero difference
645         in the initial condition explicitely.
646
647 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
648
649         PR middle-end/52894
650         * varasm.c (process_pending_assemble_externals): Set
651         pending_assemble_externals_processed true.
652         (assemble_external): Call assemble_external_real if the pending
653         assemble externals have been processed.
654
655 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
656
657         PR target/52717
658         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
659         the DECL generated for the special GOT helper.
660
661 2012-04-06  Walter Lee  <walt@tilera.com>
662
663         Backport from mainline
664         2012-03-07  Walter Lee  <walt@tilera.com>
665
666         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
667         REG_CFA_* notes for the stack pointer.
668         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
669         EH_RETURN_STACKADJ_RTX.
670         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
671         generate REG_CFA_* notes for the stack pointer.
672         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
673         by EH_RETURN_STACKADJ_RTX.
674
675 2012-04-06  Matt Turner  <mattst88@gmail.com>
676
677         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
678
679 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
680
681         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
682         of the destination isn't also a FP_REGS register.
683
684 2012-04-03  Richard Guenther  <rguenther@suse.de>
685
686         Backport from mainline
687         2012-03-02  Richard Guenther  <rguenther@suse.de>
688
689         PR tree-optimization/52406
690         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
691         (struct indices): Add unconstrained_base member.
692         (struct dr_alias): Remove unused vops member.
693         (DR_UNCONSTRAINED_BASE): New define.
694         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
695         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
696         be an artificial access that covers the whole indexed object,
697         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
698         plain decl base-objects to their MEM_REF variant.
699         (dr_may_alias_p): When the base-object of either data reference
700         has unknown size use only points-to information.
701         (compute_affine_dependence): Make dumps easier to read and
702         more verbose.
703         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
704         DR_REF when looking for packed references.
705         (vect_supportable_dr_alignment): Likewise.
706
707 2012-04-03  Richard Guenther  <rguenther@suse.de>
708
709         Backport from mainline
710         2012-03-15  Richard Guenther  <rguenther@suse.de>
711
712         PR middle-end/52580
713         * tree-data-ref.c (subscript_dependence_tester_1): Check
714         all dimensions for non-conflicting access functions.
715
716 2012-04-03  Richard Guenther  <rguenther@suse.de>
717
718         Backport from mainline
719         2012-03-06  Richard Guenther  <rguenther@suse.de>
720
721         PR middle-end/52493
722         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
723
724         2012-03-23  Richard Guenther  <rguenther@suse.de>
725
726         PR tree-optimization/52678
727         * tree-vectorizer.h (struct _stmt_vec_info): Add
728         loop_phi_evolution_part member.
729         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
730         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
731         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
732         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
733         Use the cached evolution part and the PHI nodes value from
734         the loop preheader edge instead of re-analyzing the evolution.
735
736         2012-03-26  Richard Guenther  <rguenther@suse.de>
737
738         PR tree-optimization/52701
739         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
740         compute and set the evolution part of PHI nodes.
741
742         2012-03-30  Richard Guenther  <rguenther@suse.de>
743
744         PR tree-optimization/52754
745         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
746         propagate arbitrary addresses into really plain dereferences.
747
748 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
749
750         PR tree-optimization/52835
751         * tree-data-ref.c (build_rdg): Return NULL if
752         compute_data_dependences_for_loop failed.
753
754 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
755
756         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
757         (stmt_can_make_abnormal_goto): Use it.
758         (is_ctrl_altering_stmt): Likewise.
759
760 2012-03-31  Martin Jambor  <mjambor@suse.cz>
761
762         Backported from mainline
763         2012-03-30  Martin Jambor  <mjambor@suse.cz>
764
765         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
766         is a builtin_stack_save in a dominating BB.
767
768 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
769
770         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
771         crossing 128bit lane boundary.
772
773 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
774
775         Backported from mainline
776         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
777
778         PR target/52698
779         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
780         New prototype.
781         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
782         * config/i386/i386.c: Include reload.h.
783         (ix86_legitimize_reload_address): New function.
784
785 2012-03-28  Martin Jambor  <mjambor@suse.cz>
786
787         Backported from mainline
788         2012-03-27  Martin Jambor  <mjambor@suse.cz>
789
790         PR middle-end/52693
791         * tree-sra.c (sra_modify_assign): Do not call
792         load_assign_lhs_subreplacements when working with an unscalarizable
793         region.
794
795 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
796
797         PR middle-end/52691
798         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
799         __builtin_va_start to __builtin_next_arg if the latter is
800         builtin_decl_explicit_p rather than when it is not.
801
802         PR middle-end/52750
803         * tree-vect-generic.c (vector_element): Perform multiplication
804         for pos in bitsizetype type instead of idx type.
805
806 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
807
808         Backport from 2012-03-28 mainline r185910.
809
810         PR target/52692
811         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
812         (avr_builtin_decl): New static function.
813         (struct avr_builtin_description, avr_bdesc): Move up.
814         Add GTY marker. Add field fndecl. Remove redundant field id.
815         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
816         (avr_expand_builtin): Code cleanup because .id is removed.
817
818 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
819
820         PR middle-end/51893
821         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
822         targets.
823
824 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
825
826         Backport from 2012-03-28 mainline r185907.
827
828         PR target/52737
829         * config.gcc (tm_file): Remove avr/multilib.h.
830
831         * doc/invoke.texi (AVR Options): Adjust
832         documentation of -mtiny-stack.
833
834         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
835         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
836         * config/avr/t-avr: Remove generation of multilib.h.
837         * config/avr/t-multilib: Regenerate.
838         * config/avr/multilib.h: Remove.
839         * config/avr/avr.opt (-msp8): New option.
840         (avr_sp8): New variable.
841         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
842         * config/avr/avr.h (AVR_HAVE_SPH): New define.
843         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
844         (avr_device_to_sp8): New prototype.
845         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
846         (DRIVER_SELF_SPECS): New define.
847         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
848         __AVR_SP8__, __AVR_HAVE_SPH__.
849         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
850         AVR_HAVE_8BIT_SP to decide if SP_H is present.
851         (avr_file_start): Ditto.
852
853 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
854
855         PR target/52736
856         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
857         instead of 8 in adjust_address.
858
859 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
860
861         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
862         of a unit before computing the offset in units.
863
864 2012-03-27  Richard Guenther  <rguenther@suse.de>
865
866         PR middle-end/52720
867         * fold-const.c (try_move_mult_to_index): Handle &x.array more
868         explicitely.
869
870 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
871
872         PR target/52610
873         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
874
875 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
876
877         PR middle-end/52640
878         * varasm.c: Include pointer-set.h.
879         (pending_assemble_externals_set): New pointer set.
880         (process_pending_assemble_externals): Destroy the pointer set.
881         (assemble_external): See if decl is in pending_assemble_externals_set,
882         and add it to pending_assemble_externals if necessary.
883         (init_varasm_once): Allocate pending_assemble_externals_set.
884
885 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
886
887         Backported from mainline
888         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
889
890         PR target/50310
891         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
892         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
893         (vector_ltgt<mode>): Likewise.
894         (vector_ordered<mode>): Likewise.
895         (vector_unordered<mode>): Likewise.
896         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
897
898 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
899
900         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
901         Make static.
902
903 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
904
905         Backported from mainline
906         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
907
908         PR target/48596
909         PR target/48806
910         * config/sh/sh.c (sh_register_move_cost): Increase cost between
911         GENERAL_REGS and FP_REGS for SImode.
912
913 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
914
915         PR middle-end/52547
916         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
917         on any new_local_var_chain vars declared during recursing on
918         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
919
920 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
921
922         Backport from 2012-03-22 mainline r185692.
923
924         PR target/52496
925         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
926         (unspecv): Add UNSPECV_MEMORY_BARRIER.
927         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
928         (delay_cycles_1, delay_cycles_2): Ditto.
929         (delay_cycles_3, delay_cycles_4): Ditto.
930         (nopv, *nopv): Ditto.
931         (sleep, *sleep): Ditto.
932         (wdr, *wdr): Ditto.
933
934         Backport from 2012-03-21 mainline r185605.
935
936         PR rtl-optimization/52543
937         PR target/52461
938         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
939         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
940         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
941         (avr_load_libgcc_p): Restrict to __flash loads.
942         (avr_out_lpm): Only handle 1-byte loads from __flash.
943         (avr_load_lpm): New function.
944         (avr_find_unused_d_reg): Remove.
945         (avr_out_lpm_no_lpmx): Remove.
946         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
947         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
948         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
949         (load_<mode>, load_<mode>_clobber): New insns.
950         (mov<mode>): For multi-byte move from non-generic
951         16-bit address spaces: Expand to load_<mode> resp.
952         load_<mode>_clobber.
953         (load<mode>_libgcc): Remove expander.
954         (split-lpmx): Remove split.
955
956         Backport from 2012-03-13 mainline r185329.
957
958         PR target/52488
959         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
960         offset (size) to a value the insns can deal with.
961         (expand_epilogue): Ditto.
962
963         Backport from 2012-03-12 mainline r185256.
964
965         PR target/52499
966         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
967         type from reg_class_t to enum reg_class.
968         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
969
970         Backport from 2012-03-12 mainline r185253.
971
972         PR target/52148
973         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
974         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
975         r184615 from 2012-02-28.
976
977         Backport from 2012-03-08 mainline r185105.
978
979         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
980         for constants in [-63,63].
981
982         Backport from 2012-03-08 mainline r185100.
983
984         PR target/52496
985         * config/avr/avr.c (avr_mem_clobber): New static function.
986         (avr_expand_delay_cycles): Add memory clobber operand to
987         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
988         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
989         (enable_interrupt, disable_interrupt): New expander.
990         (nopv, sleep, wdr): New expanders.
991         (delay_cycles_1): Add memory clobber.
992         (delay_cycles_2): Add memory clobber.
993         (delay_cycles_3): Add memory clobber.
994         (delay_cycles_4): Add memory clobber.
995         (cli_sei): New insn from former "enable_interrupt",
996         "disable_interrupt" with memory clobber.
997         (*wdt): New insn from former "wdt" with memory clobber.
998         (*nopv): Similar, but for "nopv".
999         (*sleep): Similar, but for "sleep".
1000
1001         Backport from 2012-03-07 mainline r185043.
1002
1003         PR target/52484
1004         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1005
1006         Backport from 2012-03-07 mainline r185032.
1007
1008         PR target/52506
1009         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1010         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1011         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1012
1013         Backport from 2012-03-07 mainline r185031.
1014
1015         PR target/52505
1016         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1017         from RAM.
1018         * config/avr/avr.md (xload_8): Adjust insn length.
1019
1020         Backport from 2012-03-07 mainline r185030.
1021
1022         PR target/52461
1023         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1024         if RAMPZ affects reading from RAM.
1025
1026         Backport from 2012-03-05 mainline r184919.
1027
1028         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1029
1030 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1031
1032         Backport from mainline r185259.
1033
1034         PR other/52545
1035         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1036         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1037
1038 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1039
1040         Backported from mainline
1041         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1042
1043         PR c/52577
1044         * c-parser.c (c_parser_postfix_expression)
1045         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1046
1047         * config/i386/smmintrin.h: Avoid /* within a comment.
1048         * config/i386/nmmintrin.h: Likewise.
1049
1050 2012-03-22  Richard Guenther  <rguenther@suse.de>
1051
1052         * BASE-VER: Set to 4.7.1.
1053         * DEV-PHASE: Set to prerelease.
1054
1055 2012-03-22  Release Manager
1056
1057         * GCC 4.7.0 released.
1058
1059 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1060
1061         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1062
1063 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1064             Andrew Pinski  <apinski@cavium.com>
1065
1066         PR middle-end/52592
1067         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1068         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1069         calls instead of __builtin_ir{int,ound}*.
1070
1071 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1072
1073         PR c++/52582
1074         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1075         if c_node is NULL.
1076
1077 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1078
1079         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1080         Refer to GCC 4.7 version of c99status.html.
1081
1082 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1083
1084         Backport from mainline
1085         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1086
1087         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1088         redefine to be NULL if the current bit-size is different from the
1089         configured bit-size.
1090
1091         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1092         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1093         set the default tuning.  Add asserts to make sure the cpu and tune
1094         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1095         test whether the index is set, instead of > 0.
1096         (rs6000_file_start): Do not reset the default cpu if the current
1097         bit-size is different from the configured bit-size.
1098
1099 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1100
1101         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1102         binutils reference.
1103         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1104         Update binutils references.
1105         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1106         Update binutils reference.
1107         Update Sun as/GNU ld caveat.
1108         Document binutils largefile requirement for LTO plugin.
1109         Remove reference to alternate libpthread.
1110
1111 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1112
1113         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1114         reference.
1115         (Specific, mips-sgi-irix6): Likewise.
1116
1117 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1118
1119         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1120         * configure: Regenerate.
1121
1122 2012-03-07  Richard Henderson  <rth@redhat.com>
1123
1124         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1125         * config/m68k/sync.md (atomic_test_and_set): Use it.
1126         (atomic_test_and_set_1): Likewise.
1127
1128 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1129
1130         PR target/51417
1131         * Makefile.in: Let install-gcc-ar depend on installdirs,
1132         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1133         Don't double canonicalize if cross-compiling.
1134
1135 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1136
1137         * trans-mem.c: New typedef for tm_region_p.
1138         Define vector types for tm_region_p.
1139         (tm_region_init): Replace region_worklist to a vector called
1140         bb_regions.
1141
1142 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1143
1144         PR middle-end/52463
1145         * trans-mem.c (tm_region_init): Use last_basic_block.
1146
1147 2012-03-05  Richard Henderson  <rth@redhat.com>
1148
1149         PR tree-opt/52242
1150         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1151         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1152         BIGGEST_ALIGNMENT is aligned.
1153
1154 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1155
1156         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1157
1158 2012-03-05  Richard Henderson  <rth@redhat.com>
1159
1160         PR target/52481
1161         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1162         instead of calling negqi2 directly.
1163
1164 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1165
1166         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1167         (INTMAX_TYPE): Use it.
1168         (UINTMAX_TYPE): Likewise.
1169         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1170         (irix6_c_common_override_options): Declare.
1171         (C_COMMON_OVERRIDE_OPTIONS): Define.
1172         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1173         * config/mips/irix6-c.c: New file.
1174         * config/mips/t-irix6 (irix6-c.o): New target.
1175         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1176         cxx_target_objs.
1177
1178 2012-03-02  Richard Henderson  <rth@redhat.com>
1179
1180         * optabs.c (expand_atomic_test_and_set): Honor
1181         atomic_test_and_set_trueval even when atomic_test_and_set
1182         optab is not in use.
1183
1184 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1185
1186         Backport from mainline
1187         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1188
1189         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1190
1191 2012-03-02  Richard Guenther  <rguenther@suse.de>
1192
1193         * DEV-PHASE: Set to prerelease.
1194
1195 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1196
1197         * config.gcc (obsolete): Add all ARM targets using the FPA.
1198         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1199         * doc/install.texi: Avoid references to obsolete ARM ports.
1200
1201 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1202
1203         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1204
1205 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1206             Joern Rennecke  <joern.rennecke@embecosm.com>
1207
1208         * doc/extend.texi: Expand and update information on interrupt
1209         attribute for Epiphany.
1210
1211 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1212
1213         * config/sh/sh-protos.h: Update copyright notice dates.
1214         * config/sh/sh.h: Likewise.
1215         * config/sh/sh.md: Likewise.
1216         * config/sh/constraints.md: Likewise.
1217         * config/sh/predicates.md: Likewise.
1218
1219 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1220
1221         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1222         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1223
1224 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1225
1226         * config/sh/constraints.md: Fix comment typo.
1227
1228 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1229
1230         PR target/52408
1231         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1232         unsigned HOST_WIDE_INT.
1233         (zvdep_imm64): Likewise.
1234         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1235         (vdepi_and): Likewise.
1236         Likewise for unamed 64-bit patterns.
1237         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1238
1239 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1240
1241         PR debug/52001
1242         PR rtl-optimization/52417
1243         * cselib.c (cselib_any_perm_equivs): New variable.
1244         (cselib_reset_table): Check that it's not set when not
1245         preserving constants.
1246         (cselib_add_permanent_equiv): Set it.
1247         (cselib_have_permanent_equivalences): New.
1248         (cselib_init, cselib_finish): Reset it.
1249         * cselib.h (cselib_have_permanent_equivalences): Declare.
1250         * alias.c (get_addr): Restore earlier behavior when there
1251         aren't permanent equivalences.
1252
1253 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1254
1255         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1256         * config/v850/v850-modes.def: Fix copyright notice.
1257
1258 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1259
1260         * doc/extend.texi (AVR Built-in Functions): Document
1261         __builtin_avr_flash_segment.
1262
1263         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1264         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1265         (*split.flash_segment): New insn-and-split.
1266         * config/avr/avr.c (avr_init_builtins): Add local variables:
1267         const_memx_void_node, const_memx_ptr_type_node,
1268         char_ftype_const_memx_ptr.
1269
1270 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1271
1272         PR tree-optimization/52445
1273         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1274         add ssa_name_ver, offset and size fields and change store field
1275         to bool.
1276         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1277         (add_or_mark_expr): Likewise.  Only consider previous stores
1278         with the same size and offset.
1279         (nt_init_block): Only look at gimple_assign_single_p stmts,
1280         doesn't look at rhs2.
1281
1282 2012-03-01  Richard Guenther  <rguenther@suse.de>
1283
1284         PR middle-end/52443
1285         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1286         conversions from integral types to pointer types.
1287
1288 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1289
1290         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1291         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1292         unintentionally removed in r184616.
1293
1294 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1295
1296         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1297         3DNow from bdver1.
1298
1299 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1300             Uros Bizjak  <ubizjak@gmail.com>
1301
1302         PR target/52437
1303         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1304         alternatives, add "e" constraint to the new last alternative
1305         and ! to last 3 alternatives.
1306
1307 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1308
1309         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1310         DW_AT_artificial attributes at the end of the processing.
1311         (gen_array_type_die): Likewise.
1312         (gen_enumeration_type_die): Likewise.
1313         (gen_struct_or_union_type_die): Likewise.
1314         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1315         the parent type.
1316
1317 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR middle-end/52419
1320         * expr.c (expand_assignment): If doing misaligned store that doesn't
1321         cover all mode bits, perform a RMW cycle.
1322
1323         PR tree-optimization/52429
1324         * tree-parloops.c (separate_decls_in_region_debug): Return early
1325         if var is LABEL_DECL.
1326
1327 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1328
1329         PR tree-optimization/52424
1330         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1331         calling dom_thread_across_edge.
1332
1333 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1334
1335         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1336
1337 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1338
1339         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1340         * config/avr/avr.c (avr_output_bld): Remove unused function.
1341         (avr_out_sbxx_branch): Use "%T" to print bit position.
1342
1343 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1344
1345         * config/avr/avr.md: Untabify.
1346
1347 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1348
1349         * config/avr/avr.md (eqne): New code iterator.
1350         (*dec-and-branchsi): Use it in text peephole's condition.
1351         (*dec-and-branchhi): Ditto.
1352         (*dec-and-branchqi): Ditto.
1353
1354 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1355
1356         PR target/49939
1357         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1358         the device does not have the skip-bug.
1359
1360 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1361
1362         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1363         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1364         -mpretend-cmove): New.
1365
1366 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR bootstrap/52397
1369         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1370         doesn't count DEBUG_INSN refs.
1371         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1372         for DEBUG_INSN refs.
1373
1374 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1375
1376         Partially revert:
1377
1378         2012-02-20  Richard Guenther  <rguenther@suse.de>
1379         PR tree-optimization/52298
1380         * tree-vect-stmts.c (vectorizable_load): Properly use
1381         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1382         outer loops.
1383
1384 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1385
1386         PR middle-end/51752
1387         * gimple.h (gimple_in_transaction): New.
1388         (gimple_set_in_transaction): New.
1389         (struct gimple_statement_base): Add in_transaction field.
1390         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1391         transaction loads.
1392         (tree_ssa_lim_initialize): Compute transaction bits.
1393         * tree.h (compute_transaction_bits): Protoize.
1394         * trans-mem.c (tm_region_init): Use the heap to store BB
1395         auxilliary data.
1396         (compute_transaction_bits): New.
1397
1398 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1399
1400         * gcc.c (display_help): Document --help=common and sort entries
1401         alphabetically.
1402
1403 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1404
1405         * doc/install.texi: Document check-$LANG specific shortcuts
1406
1407 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1408
1409         PR target/51534
1410         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1411         and vcgtu.
1412         * config/arm/arm_neon.h: Regenerate.
1413         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1414         (neon_vcgeu): New insn.
1415         (neon_vcgtu): Likewise.
1416         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1417         (ops): Unsigned comparison intrinsics call a different
1418         builtin.
1419
1420 2012-02-28  Richard Guenther  <rguenther@suse.de>
1421
1422         PR target/52407
1423         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1424         ordering for the VEC_CONCAT for two element vectors for
1425         V2SFmode, V2SImode and V2DImode.
1426
1427 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1428
1429         PR target/49448
1430         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1431         detecting big-endian triplets.
1432
1433 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1434
1435         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1436         mode if there is no type information available.
1437
1438 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1439
1440         PR tree-optimization/53207
1441         * doc/invoke.texi: Document as experimental and relying on graphite.
1442
1443 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1444
1445         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1446         of initializer to changes from r184614.
1447
1448 2012-02-28  Richard Guenther  <rguenther@suse.de>
1449
1450         PR tree-optimization/52395
1451         * tree-sra.c (build_ref_for_offset): Also look at the base
1452         TYPE_ALIGN when figuring out the alignment of the replacement.
1453
1454 2012-02-28  Richard Guenther  <rguenther@suse.de>
1455
1456         PR tree-optimization/52402
1457         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1458         mis-aligned types when creating the accesses at the call site.
1459
1460 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1461
1462         * config/avr/builtins.def: New file.
1463         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1464         * config/avr/avr.c (enum avr_builtin_id): Use it.
1465         (avr_init_builtins): Use it. And use avr_bdesc.
1466         (bdesc_1arg): Remove.
1467         (bdesc_2arg): Remove.
1468         (bdesc_3arg): Remove.
1469         (struct avr_builtin_description): Add field n_args.
1470         (avr_bdesc): New static variable using builtins.def.
1471         (avr_expand_builtin): Use it.
1472         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1473         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1474         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1475
1476 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1477
1478         PR target/52148
1479         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1480         match only one single hard register with respective hard reg rtx.
1481         (movmemx_<mode>): Ditto.
1482         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1483         insn anatomy of movmem[x]_<mode>.
1484         (avr_out_movmem): Same for printing assembler and operand usage.
1485
1486 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1487
1488         PR target/49868
1489         PR target/52261
1490         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1491         address spaces located outside of device flash.
1492
1493         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1494         (mcu_type_s): Add field n_flash.
1495         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1496         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1497         (AVR_MCU): Add N_FLASH argument.
1498         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1499         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1500         macro __FLASH<n> if that address space makes sense for the device.
1501         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1502         outside of target flash.
1503         (avr_asm_named_section): Ditto.
1504         (avr_asm_select_section): Ditto.
1505         (avr_addr_space_convert): Ditto.
1506         (avr_emit_movmemhi): Ditto.
1507         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1508         address space is outside of device flash.
1509         (avr_insert_attributes): Ditto.
1510         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1511         avr_current_arch->n_segments.
1512
1513 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1514
1515         PR target/52352
1516         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1517         TARGET_LP64.
1518         (*movabs<mode>_2): Likewise.
1519
1520 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1521
1522         PR target/52375
1523         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1524         s_register_operand in the test instead of REG_P.  Don't call
1525         gen_reg_rtx if it won't be used.
1526
1527         PR tree-optimization/52376
1528         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1529
1530 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1531
1532         * ifcvt.c (noce_get_condition): Check condition variable is not
1533         small_register_classes_for_mode_p before accepting.
1534
1535 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1536
1537         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1538
1539 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1540
1541         Revert:
1542         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1543         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1544         tuning parameters.
1545         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1546
1547 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1548
1549         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1550
1551 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1552
1553         * config/sh/predicates.md: Remove blank lines.
1554         * config/sh/sh.c: Fix typos in comments.
1555         * config/sh/constraints.md: Likewise.
1556         * config/sh/sh.md: Remove blank lines.
1557         Fix typos in comments.  Use ;; as comment characters.
1558
1559 2012-02-26  Walter Lee  <walt@tilera.com>
1560
1561         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1562         (replace_mov_pcrel_step2): Ditto.
1563
1564 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1565
1566         PR debug/52001
1567         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1568         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1569         and locs that reference values newer than the non-canonical value
1570         at hand.  Return the canonical value as a worst case.
1571         (memrefs_conflict_p): Walk canonical value's locs.
1572
1573         PR debug/52001
1574         * cselib.c (preserve_only_constants): Rename to...
1575         (preserve_constants_and_equivs): ... this.  Split out...
1576         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1577         of other preserved expressions too.
1578         (cselib_reset_table): Adjust.
1579         * var-tracking.c (reverse_op): Use canonical value to build
1580         reverse operation.
1581
1582 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1583
1584         * config/i386/i386.c (ix86_delegitimize_address): Handle
1585         UNSPEC_PCREL plus displacement.
1586
1587 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1588
1589         PR target/52261
1590         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1591         to test for unusedness in st X addressing.
1592
1593 2012-02-24  Richard Guenther  <rguenther@suse.de>
1594
1595         PR middle-end/52361
1596         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1597         (is_gimple_reg_type): Move inline ...
1598         * gimple.h (is_gimple_reg_type): ... here.
1599
1600 2012-02-24  Richard Guenther  <rguenther@suse.de>
1601
1602         PR middle-end/52361
1603         * passes.c (execute_function_todo): When verifying SSA form
1604         verify gimple form first.
1605         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1606
1607 2012-02-24  Richard Guenther  <rguenther@suse.de>
1608
1609         PR middle-end/52355
1610         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1611         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1612
1613 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1614
1615         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1616
1617 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1618
1619         * tree-phinodes.c (make_phi_node): Mark static.
1620         * tree-flow.h (make_phi_node): Remove extern decl.
1621         * doc/gimple.texi (make_phi_node): Remove documentation.
1622
1623 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1624
1625         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1626         * tree-ssa-sccvn.c (print_scc): Ditto.
1627
1628 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1629
1630         * doc/passes.texi (Full redundancy elimination): Fix typo.
1631
1632 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1633
1634         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1635
1636 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1637
1638         PR bootstrap/52287
1639         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1640
1641 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1642
1643         PR c/52290
1644         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1645
1646 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1647
1648         * config/avr/avr.md (code_stdname): Add ior, xor.
1649         (xior): New code iterator.
1650         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1651         (*<code_stdname><mode>qi.byte1-3): Ditto.
1652
1653 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1654
1655         PR tree-optimization/52019
1656         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1657         CLOBBER stmts.
1658
1659 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1660
1661         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1662         HAVE_INITFINI_ARRAY to work around namespace pollution in
1663         certain versions of newlib system headers.
1664         * config.in: Regenerate.
1665         * configure: Regenerate.
1666         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1667         instead of HAVE_INITFINI_ARRAY.
1668
1669 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1670
1671         PR target/52330
1672         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1673         is not offsettable memory reference.
1674
1675 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1676
1677         PR target/18145
1678         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1679         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1680
1681 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1682
1683         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1684         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1685
1686 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1687
1688         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1689         library on Solaris 8 even without TLS support.
1690         * configure: Regenerate.
1691
1692 2012-02-22  Richard Guenther  <rguenther@suse.de>
1693
1694         PR middle-end/52329
1695         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1696         for GIMPLE_DEBUG stmts.
1697
1698 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1699
1700         PR middle-end/51782
1701         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1702         according to the base object.
1703
1704 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1705
1706         PR rtl-optimization/50063
1707         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1708         and 2 (8-bit SP) in operand 2.
1709         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1710         setup to use movhi_sp_r instead of vanilla move to write SP.
1711         Adjust REG_CFA notes to superseed unspec.
1712         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1713         of vanilla move.
1714         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1715         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1716         irq_state 1 (IRQ known to be on) here.
1717
1718 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1719
1720         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1721         WORDS_BIG_ENDIAN.
1722         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1723         assign_hard_reg): Likewise.
1724
1725 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1726
1727         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1728
1729 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1730
1731         * config/avr/avr.md
1732         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1733         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1734
1735 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1736
1737         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1738         prototype from here to...
1739         * config/avr/avr.h: ...here.
1740
1741 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1742
1743         PR target/52294
1744         * thumb2.md (thumb2_shiftsi3_short): Split register and
1745         immediate shifts.  For register shifts tie operands 0 and 1.
1746         (peephole2 for above): Check that register-controlled shifts
1747         have suitably tied operands.
1748
1749 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1750
1751         PR target/52137
1752         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1753         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1754         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1755         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1756         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1757         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1758         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1759         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1760         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1761         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1762         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1763         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1764         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1765         bdver1_ssevector_avx256_unaligned_load,
1766         bdver1_ssevector_sse128_unaligned_load,
1767         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1768         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1769         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1770         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1771         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1772         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1773         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1774         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1775         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1776         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1777         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1778         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1779         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1780         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1781         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1782         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1783         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1784         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1785         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1786         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1787         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1788         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1789         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1790         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1791         bdver1_ssediv_double_load, bdver1_ssediv_double,
1792         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1793         Add "bdver2" attribute.
1794
1795 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1796
1797         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1798         default if possible and not specified otherwise.
1799
1800 2012-02-21  Richard Guenther  <rguenther@suse.de>
1801
1802         PR middle-end/52314
1803         * gimplify.c (create_tmp_from_val): Use the main variant type
1804         for the type of the temporary we create.
1805
1806 2012-02-21  Richard Guenther  <rguenther@suse.de>
1807
1808         PR tree-optimization/52324
1809         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1810         do not gimplify a MEM_REF address operand if it is already
1811         in suitable form.
1812
1813 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1814
1815         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1816         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1817
1818 2012-02-21  Richard Guenther  <rguenther@suse.de>
1819
1820         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1821         nested_in_vect_loop.
1822
1823 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1824
1825         PR tree-optimization/52318
1826         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1827         vdef also to non-pure/const call stmts in the sequence.
1828
1829 2012-02-20  David S. Miller  <davem@davemloft.net>
1830
1831         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1832         don't use the "rd %pc" instruction on v9 for PIC register loads.
1833
1834 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1835
1836         PR middle-end/52141
1837         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1838         in a transaction safe function.
1839
1840 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1841
1842         PR target/52238
1843         * stor-layout.c (place_field): Handle desired_align for
1844         ms-bitfields, too.
1845
1846 2012-02-20  Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/52298
1849         * tree-vect-stmts.c (vectorizable_store): Properly use
1850         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1851         outer loops.
1852         (vectorizable_load): Likewise.
1853         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1854         Access DR_STEP after ensuring it is not NULL.
1855
1856 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1857
1858         PR tree-optimization/52286
1859         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1860         optimization use double_int_to_tree instead of build_int_cst_wide,
1861         rewrite to use double_int vars.
1862
1863 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1864
1865         PR target/50166
1866         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1867         Define _start.
1868         Remove -e 0 from $gcc_cv_ld invocation.
1869         Only use __GLIBC_PREREQ if defined.
1870         Enable on Solaris since Solaris 8 patch.
1871         (gcc_SUN_LD_VERSION): New macro.
1872         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1873         gcc_SUN_LD_VERSION for version number format.
1874         * configure: Regenerate.
1875         * varasm.c (get_elf_initfini_array_priority_section): Set
1876         SECTION_NOTYPE for non-default priority.
1877         Use get_section instead of get_unnamed_section to emit
1878         .init_array/.fini_array with default priority.
1879
1880 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1881
1882         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1883         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1884         (mips_start_unique_function, mips_output_mips16_rdhwr)
1885         (mips_code_end): New functions.
1886         (TARGET_ASM_CODE_END): Define.
1887
1888 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1889
1890         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1891         to stubs with non-sibling calls.
1892
1893 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1894
1895         * doc/invoke.texi (-fira-* options): Copy-edit.
1896         (ira-* parameters): Copy-edit.
1897
1898 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1899
1900         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1901         GCC coding conventions.
1902
1903 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1904
1905         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1906         when used as adjectives.
1907
1908 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1909
1910         * doc/invoke.texi: Clean up "that"/"which" confusion.
1911
1912 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1913
1914         * system.h: Poison SMALL_REGISTER_CLASSES
1915         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1916         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1917
1918 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1919
1920         PR tree-optimization/52285
1921         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1922         when deciding if a call is a tail call or tail recursion.
1923
1924 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1925
1926         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1927         interger-constant displacement for UNSPEC_PCREL.
1928
1929 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1930
1931         PR rtl-optimization/52208
1932         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1933         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1934
1935         PR tree-optimization/52255
1936         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1937         loop->header has virtual PHI, but exit_e->dest doesn't, add
1938         virtual PHI to exit_e->dest and adjust all uses after the loop.
1939
1940         PR debug/52260
1941         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1942         children with clone_tree_hash, not after it.
1943
1944 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1945
1946         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1947         extended identifiers.
1948
1949 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1950
1951         PR middle-end/51929
1952         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1953         a same_body_alias, also test whether e->callee isn't a former
1954         or current clone of the decl this is a same body alias of.
1955
1956         PR translation/52264
1957         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1958
1959 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1960
1961         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1962
1963 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1964
1965         PR target/52199
1966         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1967         force_reg instead of copy_to_reg for better optimization.  Force
1968         non-register or memory operands into a register.
1969
1970 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1971
1972         * extend.texi: Reserve upper bits of memory model for future use.
1973
1974 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1975             Anatoly Sokolov <aesok@post.ru>
1976             Eric Weddington <eric.weddington@atmel.com>
1977
1978         PR target/52261
1979         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1980         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1981         Rewrite initializers for .macro.
1982         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1983         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1984         atxmega32d4, atxmega32x1.
1985         avrxmega4: atxmega64a3, atxmega64d3.
1986         avrxmega5: atxmega64a1, atxmega64a1u.
1987         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1988         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1989         avrxmega7: atxmega128a1, atxmega128a1u.
1990         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1991         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1992         (struct base_arch_s): Rename reserved to xmega_p.
1993         Rename reserved2 to have_rampd.
1994         (AVR_XMEGA): New define.
1995         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1996         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1997         * config/avr/predicates.md (io_address_operand): Take into
1998         account SFR offset.
1999         (low_io_address_operand): Ditto.
2000         (high_io_address_operand): Ditto.
2001         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2002         (enabled, movhi_sp_r): Use them.
2003         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2004         cpp_define_formatted to built-in define __AVR_ARCH__.
2005         (__AVR_XMEGA__): New built-in define.
2006         (__AVR_HAVE_RAMPD__): New built-in define.
2007         (__AVR_HAVE_RAMPX__): New built-in define.
2008         (__AVR_HAVE_RAMPY__): New built-in define.
2009         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2010
2011         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2012         (avr_option_override): Initialize them.
2013         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2014         (avr_init_expanders): Initialize them. No more block several calls.
2015         (emit_push_sfr): New static function.
2016         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2017         Handle AVR_XMEGA.
2018         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2019         (avr_print_operand): Print addreeses as symbols for
2020         RAMPX, RAMPY, RAMPD, CCP.
2021         (output_movhi): Handle AVR_XMEGA when writing to SP.
2022         (avr_out_movhi_mr_r_xmega): New static function.
2023         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2024         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2025         __RAMPD__,  __CCP__ as needed.
2026
2027         * config/avr/multilib.h: Regenerate.
2028         * config/avr/t-multilib: Regenerate.
2029         * config/avr/avr-tables.opt: Regenerate.
2030
2031 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2032
2033         PR tree-optimization/50561
2034         * graphite-flattening.c (lst_project_loop): Do not
2035         remove old scattering dimensions after flattening.
2036         (lst_do_flatten): Likewise.
2037
2038 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2039
2040         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2041         __builtin_avr_map8, __builtin_avr_map16.
2042         Document __builtin_avr_insert_bits.
2043
2044         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2045         (insert_bits): New insn.
2046         (adjust_len.map_bits): Rename to insert_bits.
2047         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2048         * avr-protos.h (avr_out_map_bits): Remove.
2049         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2050         * config/avr/constraints.md (Cxf,C0f): New.
2051         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2052         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2053         New built-in define __BUILTIN_AVR_INSERT_BITS.
2054         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2055         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2056         (avr_move_bits): Rewrite.
2057         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2058         functions.
2059         (avr_map_op_t): New typedef.
2060         (avr_map_op): New static variable.
2061         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2062         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2063         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2064         (bdesc_3arg, avr_expand_triop_builtin): New.
2065         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2066         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2067         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2068         (avr_map_equal_p, avr_map_sig_p): Remove.
2069         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2070         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2071         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2072         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2073         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2074         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2075
2076 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2077
2078         * config/c6x/c6x.md (reserve_cycles): New attribute.
2079         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2080         don't reserve functional units after the branch occurs.
2081
2082 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2083
2084         PR middle-end/52142
2085         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2086         functions into non-tm_pure functions.
2087
2088 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2089
2090         PR lto/52178
2091         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2092         (iterative_hash_canonical_type): Likewise.
2093         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2094         the dead edges.
2095
2096 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2097
2098         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2099         sched-group insn, it either remains alone or the entire list is pruned.
2100
2101 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2102
2103         * doc/install.texi (Prerequisites): Fix grammar.
2104         (Configuration): Likewise.
2105
2106 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2107
2108         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2109         MPC as part of GCC before describing configuring with --with-gmp etc.
2110         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2111         sources are present.
2112
2113 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2114
2115         PR debug/51950
2116         * dwarf2out.c (clone_tree_hash): New function.
2117         (copy_decls_walk): Use it instead of clone_tree.
2118
2119 2012-02-14  Richard Guenther  <rguenther@suse.de>
2120
2121         PR tree-optimization/52244
2122         PR tree-optimization/51528
2123         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2124         replacements for integral types.
2125
2126 2012-02-14  Walter Lee  <walt@tilera.com>
2127
2128         * config.gcc: Handle tilegx and tilepro.
2129         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2130         tilegx and tilepro.
2131         Add HAVE_AS_TLS check for tilegx and tilepro.
2132         * configure: Regenerate.
2133         * doc/contrib.texi: Add Mat Hostetter and self.
2134         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2135         Document instruction intrinsics and network accessing intrinsics.
2136         (TILEPro Built-in Functions): New node.  Document instruction
2137         intrinsics and network accessing intrinsics.
2138         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2139         (Specific, tilepro-*-linux*): Likewise.
2140         * doc/invoke.texi (TILE-Gx Options): New section.
2141         (TILEPro Options): New section.
2142         * doc/md.texi (TILE-Gx): New section.
2143         (TILEPro): New section.
2144         * common/config/tilegx/tilegx-common.c: New file.
2145         * common/config/tilepro/tilepro-common.c: New file.
2146         * config/tilegx/constraints.md: New file.
2147         * config/tilegx/linux.h: New file.
2148         * config/tilegx/mul-tables.c: New file.
2149         * config/tilegx/predicates.md: New file.
2150         * config/tilegx/sync.md: New file.
2151         * config/tilegx/t-tilegx: New file.
2152         * config/tilegx/tilegx-builtins.h: New file.
2153         * config/tilegx/tilegx-c.c: New file.
2154         * config/tilegx/tilegx-generic.md: New file.
2155         * config/tilegx/tilegx-modes.def: New file.
2156         * config/tilegx/tilegx-multiply.h: New file.
2157         * config/tilegx/tilegx-protos.h: New file.
2158         * config/tilegx/tilegx.c: New file.
2159         * config/tilegx/tilegx.h: New file.
2160         * config/tilegx/tilegx.md: New file.
2161         * config/tilegx/tilegx.opt: New file.
2162         * config/tilepro/constraints.md: New file.
2163         * config/tilepro/gen-mul-tables.cc: New file.
2164         * config/tilepro/linux.h: New file.
2165         * config/tilepro/mul-tables.c: New file.
2166         * config/tilepro/predicates.md: New file.
2167         * config/tilepro/t-tilepro: New file.
2168         * config/tilepro/tilepro-builtins.h: New file.
2169         * config/tilepro/tilepro-c.c: New file.
2170         * config/tilepro/tilepro-generic.md: New file.
2171         * config/tilepro/tilepro-modes.def: New file.
2172         * config/tilepro/tilepro-multiply.h: New file.
2173         * config/tilepro/tilepro-protos.h: New file.
2174         * config/tilepro/tilepro.c: New file.
2175         * config/tilepro/tilepro.h: New file.
2176         * config/tilepro/tilepro.md: New file.
2177         * config/tilepro/tilepro.opt: New file.
2178
2179 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2180
2181         PR tree-optimization/52210
2182         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2183         vect_model_simple_cost with two entry vect_def_type array instead
2184         of an address of dt.
2185
2186 2012-02-14  Richard Guenther  <rguenther@suse.de>
2187
2188         PR lto/52178
2189         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2190         Do not stream DECL_QUALIFIER.
2191         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2192         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2193         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2194
2195 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2196
2197         PR c/52181
2198         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2199         newdecl.
2200
2201 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2202
2203         PR bootstrap/52172
2204         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2205         * cselib.c (cselib_subst_to_values_from_insn): New function.
2206         * sched-deps.c (add_insn_mem_dependence,
2207         sched_analyze_1, sched_analyze_2): Use it.
2208
2209 2012-02-13  Jan Hubicka  <jh@suse.cz>
2210
2211         PR middle-end/52214
2212         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2213
2214 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2215
2216         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2217         (GTM_SELF_SPECS): Define if not already defined.
2218         (driver_self_specs): Add GTM_SELF_SPECS.
2219         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2220         (GTM_SELF_SPECS): Define.
2221         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2222         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2223
2224 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2225
2226         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2227         away if seen.
2228
2229         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2230
2231         PR middle-end/52230
2232         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2233         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2234
2235 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2236
2237         PR c/52190
2238         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2239
2240 2012-02-13  Richard Guenther  <rguenther@suse.de>
2241
2242         PR translation/52211
2243         * passes.c (enable_disable_pass): Fix typo.
2244
2245 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2246
2247         PR middle-end/52209
2248         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2249         XOR for reduce_bit_field if type is unsigned.
2250
2251 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2252
2253         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2254         disallow changes from SFmode to mode with different size in FP regs.
2255
2256 2012-02-12  Robert Millan  <rmh@gnu.org>
2257             Gerald Pfeifer <gerald@pfeifer.com>
2258
2259         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2260         Tweak comment.
2261
2262 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2263
2264         PR rtl-optimization/52175
2265         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2266         to frame-related instructions.
2267
2268 2012-02-10  Jason Merrill  <jason@redhat.com>
2269
2270         PR c++/51910
2271         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2272         (demangle_new_symbols): Fill it.
2273         (scan_linker_output): Walk it.
2274         (start_tweaking): Split out from scan_linker_output.
2275         (maybe_tweak): Update sym->chosen.
2276         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2277
2278 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2279
2280         PR debug/52132
2281         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2282
2283 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2284
2285         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2286         having the same mode as previous compare.
2287
2288 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2289
2290         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2291         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2292         (nonlocal_goto_internal): Likewise.
2293         (nonlocal_goto): Emit a use and an indirect jump directly.
2294
2295 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2296
2297         PR c/52190
2298         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2299         __atomic_{is,always}_lock_free.
2300
2301 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2302
2303         PR target/52146
2304         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2305         negative constant address for x32.
2306
2307 2012-02-10  Richard Henderson  <rth@redhat.com>
2308
2309         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2310         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2311         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2312
2313 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2314             Ira Rosen  <irar@il.ibm.com>
2315
2316         PR tree-optimization/50031
2317         * targhooks.c (default_builtin_vectorization_cost): Handle
2318         vec_promote_demote.
2319         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2320         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2321         all types of reduction and pattern statements.
2322         (vect_estimate_min_profitable_iters): Likewise.
2323         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2324         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2325         for explicit realigns.
2326         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2327         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2328         vec_promote_demote.
2329         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2330         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2331         vec_perm for VSX and handle vec_promote_demote.
2332
2333 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2334
2335         PR middle-end/52177
2336         * builtins.c (fold_builtin_atomic_always_lock_free,
2337         expand_builtin_atomic_always_lock_free,
2338         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2339         Return and/or test boolean_true_node/boolean_false_node instead of
2340         integer_one_node/integer_zero_node.
2341
2342 2012-02-10  Jan Hubicka  <jh@suse.cz>
2343
2344         PR middle-end/48600
2345         * predict.c (predict_paths_for_bb): Prevent looping.
2346         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2347
2348 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2349
2350         * config/arm/arm.c (output_move_double): In one case properly
2351         count number of instructions that will be emitted.
2352
2353 2012-02-10  Richard Guenther  <rguenther@suse.de>
2354
2355         PR translation/52193
2356         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2357
2358 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2359
2360         PR middle-end/52140
2361         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2362
2363 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR debug/52165
2366         * var-tracking.c (emit_note_insn_var_location): If
2367         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2368         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2369         non-NOTE_DURING_CALL_P insn.
2370
2371 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2372
2373         PR middle-end/51867
2374         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2375
2376 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2377
2378         PR driver/48524
2379         * gcc.c (switch_matches) Support switches with separated form,
2380         -D and -U.
2381
2382 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2383
2384         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2385         (SP_ADDR): Ditto.
2386         (RAMPZ_ADDR): Ditto.
2387         * config/avr/avr.c (avr_addr_t): New typedef.
2388         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2389         (avr_init_expanders): Initialize it.
2390         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2391         SREG_ADDR.
2392         (expand_epilogue): Ditto.
2393         (avr_print_operand): Ditto.
2394         (avr_file_start): Ditto.
2395         (avr_emit_movmemhi): Ditto.
2396
2397 2012-02-08  Richard Guenther  <rguenther@suse.de>
2398
2399         PR tree-optimization/46886
2400         * tree-flow.h (do_while_loop_p): Declare.
2401         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2402         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2403
2404 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2405
2406         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2407         always succeed for integers larger than a native word.
2408
2409 2012-02-08  Richard Guenther  <rguenther@suse.de>
2410
2411         PR rtl-optimization/52170
2412         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2413         properly handle integer vector modes.
2414
2415 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2416
2417         PR gcov-profile/52150
2418         * coverage.c: Include target.h.
2419         (build_var): Call targetm.strip_name_encoding on the assembler name.
2420         Change one _ into . or $ if the target allows it.
2421         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2422
2423         PR rtl-optimization/52139
2424         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2425         is a BARRIER after emit_insn_after_noloc, move BB_END
2426         to the last non-BARRIER insn before it.
2427
2428 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2429
2430         PR middle-end/24306
2431         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2432         (mips_gimplify_va_arg_expr): Call it instead of
2433         std_gimplify_va_arg_expr.
2434
2435 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2436
2437         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2438         message for -mno-pointers-to-nested-function.
2439
2440 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2441
2442         PR middle-end/51994
2443         * expr.c (get_inner_reference): If there is an offset, add a negative
2444         bit position to it (if any).
2445
2446 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2447
2448         PR rtl-optimization/52060
2449         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2450         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2451         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2452         and/or i0src_copy2 when needed.
2453
2454 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2455
2456         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2457         or LTOPLUGINSONAME if have_c.
2458
2459         * config/freebsd-spec.h: Add comment about what macros can be defined
2460         in this header.
2461         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2462         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2463         here instead.
2464
2465 2012-02-07  Richard Guenther  <rguenther@suse.de>
2466
2467         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2468         newline in -alias dumps.
2469
2470 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2471             Dave Korn  <dave.korn.cygwin@gmail.com>
2472
2473         PR target/40068
2474         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2475         Take care that typinfo gets dllexport-attribute.
2476
2477 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2478
2479         PR middle-end/52074
2480         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2481         if modifier < EXPAND_SUM call force_operand on the result.
2482
2483 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2484
2485         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2486         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2487         present.
2488         (epiphany_function_type): Replace types for specific interrupts with
2489         EPIPHANY_FUNCTION_INTERRUPT.
2490         (EPIPHANY_INTERRUPT_P): Update.
2491         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2492         New static function.
2493         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2494         <disinterrupt>: Affects type identity.
2495         (epiphany_handle_interrupt_attribute): Handle variable number of
2496         arguments.
2497         (epiphany_compute_function_type): Update for new
2498         epiphany_function_type definition.
2499         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2500         handlers with a longcall forwarder.
2501         (epiphany_start_function): Handle multiple interrupt arguments and/or
2502         forwarder_section attribute.
2503
2504         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2505         libgloss.
2506
2507 2012-02-07  Alan Modra  <amodra@gmail.com>
2508
2509         PR target/52107
2510         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2511         subregs of TFmode.
2512
2513 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2514
2515         PR tree-optimization/50969
2516         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2517         use vec_perm rather than vector_stmt.
2518         (vect_model_load_cost): Likewise.
2519         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2520         vec_perm to be the same as other vector statements.
2521         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2522         cost of vec_perm for TARGET_VSX.
2523
2524 2012-02-06  Richard Guenther  <rguenther@suse.de>
2525
2526         PR tree-optimization/52115
2527         * tree-sra.c (access_has_replacements_p): New function.
2528         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2529
2530 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2531
2532         PR middle-end/52047
2533         * trans-mem.c (expand_call_tm): Add an assertion.
2534         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2535         functions.
2536
2537 2012-02-06  Richard Guenther  <rguenther@suse.de>
2538
2539         PR tree-optimization/50955
2540         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2541         raise cost of expressions that replace an address with an
2542         expression based on a different pointer.
2543
2544 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2545
2546         PR target/52129
2547         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2548         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2549
2550 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2551
2552         PR c++/48680
2553         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2554         -Weffc++ and specify guidelines come from second edition.
2555
2556 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2557
2558         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2559         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2560         (call_direct_split, call_value_split, call_value_internal_direct)
2561         (call_value_direct_split, call_value_multiple_split): Use jal and
2562         jal_macro attributes.
2563
2564 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2565
2566         * reload1.c (reload_regs_reach_end_p): Replace with...
2567         (reload_reg_rtx_reaches_end_p): ...this function.
2568         (new_spill_reg_store): Update commentary.
2569         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2570         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2571         before setting new_spill_reg_store.
2572         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2573         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2574         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2575         for non-spill reload registers.
2576
2577 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2578
2579         PR tree-optimization/52091
2580         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2581         (vect_is_simple_use_1): Likewise.
2582         * tree-vect-loop.c (vectorizable_reduction): Update calls
2583         to vect_is_simple_use_1 and vect_is_simple_use.
2584         (vectorizable_live_operation): Likewise.
2585         * tree-vect-patterns.c (widened_name_p,
2586         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2587         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2588         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2589         vectorizable_shift,vectorizable_operation, vectorizable_store,
2590         vectorizable_load): Likewise.
2591         (vect_is_simple_cond): Add an argument, pass it to
2592         vect_is_simple_use_1.
2593         (vectorizable_condition): Update calls to vect_is_simple_cond,
2594         vect_is_simple_use.
2595         (vect_is_simple_use): Add an argument, the statement in which
2596         OPERAND is used.  Check that if OPERAND's def stmt is a double
2597         reduction phi node, the use is a phi node too.
2598         (vect_is_simple_use_1): Add an argument, pass it to
2599         vect_is_simple_use.
2600         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2601         to vect_is_simple_use.
2602
2603 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2604
2605         PR rtl-optimization/52095
2606         * modulo-sched.c (dump_insn_locator): New function.
2607         (loop_canon_p, sms_schedule): Use it.
2608
2609         PR rtl-optimization/52113
2610         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2611         even for decomposable shift/zext insns.
2612
2613 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2614             Zdenek Dvorak  <ook@ucw.cz>
2615
2616         PR rtl-optimization/52092
2617         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2618         on get_iv_value result.
2619
2620 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2621
2622         PR middle-end/47982
2623         PR middle-end/43967
2624         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2625
2626 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR middle-end/48071
2629         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2630
2631 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2632
2633         PR rtl-optimization/49800
2634         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2635         (sched_finish): Call regstat_free_n_sets_and_refs.
2636
2637 2012-02-02  Jia Liu  <proljc@gmail.com>
2638
2639         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2640         than operand 2.
2641
2642 2012-02-02  Jan Hubicka  <jh@suse.cz>
2643             Tom de Vries  <tom@codesourcery.com>
2644
2645         PR middle-end/51998
2646         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2647         * varpool.c (varpool_analyze_pending_decls): Likewise.
2648
2649 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2650             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2651
2652         * config.gcc: Add cr16-* support.
2653
2654         * doc/extend.texi: Document cr16 extensions.
2655         * doc/install.texi: Document cr16 install.
2656         * doc/invoke.texi: Document cr16 options.
2657         * doc/md.texi: Document cr16 constraints.
2658
2659         * common/config/cr16/cr16-common.c: New file.
2660         * config/cr16/cr16.c: New file.
2661         * config/cr16/cr16.h: New file.
2662         * config/cr16/cr16.md: New file.
2663         * config/cr16/cr16.opt: New file.
2664         * config/cr16/cr16-protos.h: New file.
2665         * config/cr16/predicates.md: New file.
2666         * config/cr16/constraints.md: New file.
2667         * config/cr16/t-cr16: New file.
2668
2669 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2670
2671         PR target/52086
2672         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2673         that operands[2] is either immediate, or q_regs_operand.
2674
2675         PR tree-optimization/52073
2676         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2677         a pattern stmt for pattern uses, ignore uses outside of the loop.
2678
2679 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2680
2681         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2682         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2683         (OUT_AS1, OUT_AS2): Remove.
2684
2685 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2686
2687         PR rtl-optimization/51374
2688         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2689         to cross other volatile_refs_p insns.
2690
2691 2012-02-01  Richard Guenther  <rguenther@suse.de>
2692
2693         * doc/invoke.texi (fno-inline): Clarify documentation.
2694         (finline-small-functions): Likewise.
2695         (finline-functions): Likewise.
2696         * common.opt (finline): Adjust comment and documentation.
2697         (finline-small-functions): Clarify documentation.
2698         (finline-functions): Likewise.
2699         (finline-functions-called-once): Likewise.
2700
2701 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2702
2703         * c-typeck.c (composite_type): Keep mode for pointers.
2704
2705 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2706
2707         * function.h (regno_reg_rtx): Adjust comment.
2708         * reginfo.c (init_reg_modes_target): Only use the previous mode
2709         if it fits within one register.  Remove MIPS comment.
2710
2711 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2712
2713         PR bootstrap/52058
2714         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2715
2716 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2717
2718         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2719         to srak instruction.
2720
2721 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2722
2723         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2724
2725 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR bootstrap/52041
2728         PR bootstrap/52039
2729         PR target/51974
2730         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2731
2732 2012-01-31  Richard Guenther  <rguenther@suse.de>
2733
2734         PR tree-optimization/51528
2735         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2736         assigns.
2737
2738 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2739
2740         PR bootstrap/52041
2741         PR bootstrap/52039
2742         PR target/51974
2743         * ree.c (add_removable_extension): Change def_map argument
2744         to unsigned *, store in def_map 1 + offset into *insn_list vector
2745         instead of pointers into the vector.
2746         (find_removable_extensions): Adjust caller.
2747
2748 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2749
2750         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2751         Transform all "* quoted-c-code" to { c-code }.
2752         Remove redundant test for "optimize" in combine patterns.
2753         Move (include "avr-dimode.md") to end of file.
2754
2755 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2756
2757         PR target/51835
2758         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2759         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2760
2761 2012-01-30  Richard Guenther  <rguenther@suse.de>
2762
2763         PR tree-optimization/52028
2764         * tree-loop-distribution.c (ldist_gen): Properly update
2765         virtual SSA form.
2766
2767 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2768
2769         PR debug/52027
2770         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2771         set_cur_line_info_table if not emitting debug info.
2772
2773         PR tree-optimization/52046
2774         * tree-vect-patterns.c (check_bool_pattern): Give up if
2775         a comparison could throw.
2776
2777         PR debug/52048
2778         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2779
2780 2012-01-30  Richard Guenther  <rguenther@suse.de>
2781
2782         PR tree-optimization/52045
2783         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2784         SSA form if cfgcleanup did anything.
2785
2786 2012-01-30  Richard Guenther  <rguenther@suse.de>
2787
2788         PR tree-optimization/52045
2789         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2790         before computing final todo.
2791
2792 2012-01-30  Richard Guenther  <rguenther@suse.de>
2793
2794         PR tree-optimization/51528
2795         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2796         for PR51528 fix.
2797
2798 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2799
2800         * df-problems.c (df_kill_notes): Check that the use refers
2801         to the note under examination.
2802
2803 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2804
2805         PR target/51920
2806         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2807         parameter and use short-lived pseudos.
2808         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2809         (sparc_expand_vector_init): Const-ify local variables and adjust
2810         calls to above functions.
2811
2812 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2813
2814         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2815
2816 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2817
2818         * doc/invoke.texi: Make usage of "compile time" and
2819         "run time"/"runtime" consistent throughout the file.
2820
2821 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2822
2823         * config/alpha/alpha.c (alpha_option_override): Default to
2824         full IEEE compliance mode for Go language.
2825
2826 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2827
2828         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2829         (LINK_SSP_SPEC): Define.
2830
2831 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2832
2833         PR target/51871
2834         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2835         stubs.
2836
2837 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2838
2839         * doc/invoke.texi: Correct hyphenation of "floating point",
2840         "double precision", and related terminology throughout the file.
2841
2842 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2843
2844         PR target/52006
2845         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2846         arm_general_register_operand predicate for operand 2 instead of
2847         register_operand.
2848
2849 2012-01-27  Ian Lance Taylor  <iant@google.com>
2850
2851         PR go/47656
2852         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2853         * builtins.c (expand_builtin_init_trampoline): Add onstack
2854         parameter.  Change caller.
2855         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2856         * tree.c (build_common_builtin_nodes): Declare
2857         __builtin_init_heap_trampoline.
2858
2859 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2860
2861         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2862         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2863         * config/avr/avr.c: Ditto.
2864         (avr_regnames): Remove because unused.
2865         * config/avr/avr.md (*cpse.ne): New peephole.
2866         (*cpse.eq): New peephole from former cpse peepholes.
2867
2868 2012-01-27  Michael Eager  <eager@eagercon.com>
2869
2870         * config/microblaze.c (microblaze_emit_compare): Correct
2871         test after pcmp instruction.
2872
2873 2012-01-27  Richard Guenther  <rguenther@suse.de>
2874
2875         PR tree-optimization/52020
2876         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2877
2878 2012-01-27  Richard Guenther  <rguenther@suse.de>
2879
2880         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2881         function non-const/pure.
2882
2883 2012-01-27  Richard Guenther  <rguenther@suse.de>
2884
2885         PR tree-optimization/50444
2886         * tree-sra.c (build_ref_for_offset): Properly adjust the
2887         MEM_REF type for unaligned accesses.
2888
2889 2012-01-27  Richard Guenther  <rguenther@suse.de>
2890
2891         PR tree-optimization/50444
2892         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2893         (expand_assignment): Use it.  Properly handle misaligned
2894         bases when expanding stores to component references.
2895         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2896         refactor that case.
2897
2898 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2899
2900         PR middle-end/51389
2901         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2902         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2903         * tree-data-ref.c (find_data_references_in_loop): Make static.
2904         (compute_all_dependences): Change return type to bool.  Bail out
2905         for too many datarefs in a loop.  Move the hunk resetting the data
2906         dependences vector from ...
2907         (compute_data_dependences_for_loop): ... here.  Account for
2908         compute_all_dependences returning false.
2909         (compute_data_dependences_for_bb): Likewise.
2910         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2911         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2912
2913 2012-01-27  Richard Guenther  <rguenther@suse.de>
2914
2915         PR middle-end/51959
2916         * expr.c (store_field): Use the alias-set of the scratch memory
2917         for storing to it.
2918
2919 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2920
2921         PR tree-optimization/51990
2922         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2923         WITH_SIZE_EXPR.
2924         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2925
2926 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR debug/52001
2929         * var-tracking.c (reverse_op): Don't add any reverse operation
2930         if V already has any constant locations.
2931
2932 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2933
2934         * doc/invoke.texi: Correct usage of "command line" (noun)
2935         vs "command-line" (adjective) throughout.
2936
2937 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2938
2939         * doc/invoke.texi (Language Independent Options): Move
2940         -Wcoverage-mismatch blurb from here....
2941         (Warning Options): ...to here.
2942
2943 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2944
2945         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2946         Set rs6000_always_hint to false for 476.
2947
2948 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2949
2950         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2951           system root.
2952         * incpath.c (add_standard_paths): Likewise.
2953
2954 2012-01-27  Richard Henderson  <rth@redhat.com>
2955
2956         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2957         * config/m68k/sync.md (atomic_test_and_set): Rename from
2958         sync_test_and_setqi and adjust the operands.
2959         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2960         and unconditionally enable.
2961
2962 2012-01-27  Richard Henderson  <rth@redhat.com>
2963
2964         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2965         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2966         (ldstub): Rename from ldstubqi.
2967         (ldstub<I24MODE>): Remove.
2968
2969 2012-01-27  Richard Henderson  <rth@redhat.com>
2970
2971         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2972         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2973         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2974         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2975         * doc/tm.texi: Rebuild.
2976
2977 2012-01-27  Richard Henderson  <rth@redhat.com>
2978
2979         * optabs.c (gen_atomic_test_and_set): Remove default.
2980         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2981
2982 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2983
2984         PR rtl-optimization/51978
2985         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2986         (combine_reaching_defs): Likewise.
2987         (struct re_info): Remove.
2988         (add_removable_extension): Remove x and data arguments,
2989         add insn, insn_list and def_map.  Use the arguments directly
2990         instead of using struct re_info.
2991         (find_removable_extensions): Don't call add_removable_extension
2992         through note_stores, instead just call it with single_set
2993         result if non-NULL.
2994         (find_and_remove_re): Pass curr_cand->expr instead of
2995         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2996
2997 2012-01-26  Michael Matz  <matz@suse.de>
2998
2999         PR tree-optimization/46590
3000         * cfgexpand.c: Revert last change (r183305).
3001         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3002         regs.
3003         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3004         checking for emptiness.
3005
3006 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3007
3008         PR middle-end/51895
3009         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3010         non-addressable non-BLKmode base correctly.
3011
3012 2012-01-26  Michael Matz  <matz@suse.de>
3013
3014         PR tree-optimization/48794
3015         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3016         regions referenced from RESX/EH_DISPATCH.
3017
3018 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3019
3020         * config/s390/s390.h: Make BRANCH_COST an option.
3021         * config/s390/s390.opt: New option -mbranch-cost.
3022
3023 2012-01-26  Richard Henderson  <rth@redhat.com>
3024
3025         Revert 2012-01-24 change:
3026         * trans-mem.c (requires_barrier): Do not instrument thread local
3027         variables and emit save/restore for them.
3028
3029 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3030
3031         PR middle-end/51986
3032         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3033         for pat == 0.
3034
3035 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3036
3037         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3038         ASM_OPERANDS.
3039
3040 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3041
3042         PR target/49868
3043         Rename __pgm to __flash.
3044         Rename __pgm1 to __flash1.
3045         Rename __pgm2 to __flash2.
3046         Rename __pgm3 to __flash3.
3047         Rename __pgm4 to __flash4.
3048         Rename __pgm5 to __flash5.
3049         Rename __pgmx to __memx.
3050         * doc/extend.texi (AVR Named Address Spaces)
3051         Rename address space names as indicated above.
3052         * config/avr/avr.c (avr_addrspace): Ditto.
3053
3054         * config/avr/avr-protos.h
3055         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3056         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3057         * config/avr/predicates.md: Ditto.
3058         * config/avr/avr.c Ditto, and
3059         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3060         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3061
3062         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3063         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3064         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3065         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3066         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3067         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3068         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3069         * config/avr/avr.c: Ditto.
3070         * config/avr/avr.md: Ditto.
3071
3072 2012-01-25  Jason Merrill  <jason@redhat.com>
3073
3074         PR c++/51992
3075         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3076
3077 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR tree-optimization/51987
3080         * tree-data-ref.c (get_references_in_stmt): Handle references in
3081         non-volatile GIMPLE_ASM.
3082
3083 2012-01-25  Richard Guenther  <rguenther@suse.de>
3084
3085         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3086         bases are dereferenced.
3087
3088 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3089
3090         PR rtl-optimization/48374
3091         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3092
3093 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3094
3095         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3096         compute_data_dependences_for_loop returns false.
3097         * tree-parloops.c (loop_parallel_p): Likewise.
3098
3099 2012-01-25  Richard Guenther  <rguenther@suse.de>
3100
3101         * tree.h (get_pointer_alignment_1): Declare.
3102         * builtins.c (get_pointer_alignment_1): New function.
3103         (get_pointer_alignment): Use it.
3104
3105 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3106
3107         PR rtl-optimization/48308
3108         * combine.c (enum undo_kind): Add UNDO_LINKS.
3109         (struct undo): Add member l to other_contents and where.
3110         (do_SUBST_LINK): New.
3111         (SUBST_LINK): New.
3112         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3113         (undo_all): Handle UNDO_LINKS.
3114
3115 2012-01-25  Richard Henderson  <rth@redhat.com>
3116
3117         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3118         mem inputs.
3119
3120 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3121
3122         * optabs.c (gen_atomic_test_and_set): Use each argument.
3123
3124 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3125
3126         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3127         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3128         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3129         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3130         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3131         TARGET_PAIRED_SINGLE_FLOAT.
3132
3133 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3134
3135         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3136         (in_struct, return_val): Remove MEM documentation.
3137         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3138         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3139         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3140         and MEM_SCALAR.
3141         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3142         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3143         * expr.c (store_field): Likewise.
3144         * function.c (assign_stack_temp_for_type): Likewise.
3145         * ifcvt.c (noce_try_cmove_arith): Likewise.
3146         * reload1.c (reload): Likewise.
3147         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3148         (alpha_set_memflags): Likewise.
3149         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3150
3151 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3152
3153         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3154         parameter.
3155         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3156         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3157         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3158         varies parameter.
3159         * cselib.c (cselib_rtx_varies_p): Delete.
3160         (cselib_invalidate_mem): Update call to canon_true_dependence.
3161         * dse.c (record_store, check_mem_read_rtx): Likewise.
3162         (scan_reads_nospill): Likewise.
3163         * cse.c (check_dependence): Likewise.
3164         (cse_rtx_varies_p): Delete.
3165         * expr.c (safe_from_p): Update call to true_dependence.
3166         * ira.c (validate_equiv_mem_from_store): Likewise.
3167         (memref_referenced_p): Likewise.
3168         * postreload-gcse.c (find_mem_conflicts): Likewise.
3169         * sched-deps.c (sched_analyze_2): Likewise.
3170         * store-motion.c (load_kills_store): Likewise.
3171         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3172         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3173         (compute_transp): Update call to canon_true_dependence.
3174
3175 2012-01-25  Richard Henderson  <rth@redhat.com>
3176
3177         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3178         (maybe_emit_atomic_test_and_set): New.
3179         (expand_sync_lock_test_and_set): Use it.
3180         (expand_atomic_test_and_set): Likewise.
3181         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3182         the implementation; clarify implementation defined details.
3183         * doc/md.texi (atomic_test_and_set): Document.
3184
3185 2012-01-25  Richard Henderson  <rth@redhat.com>
3186
3187         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3188
3189 2012-01-25  Richard Henderson  <rth@redhat.com>
3190
3191         PR target/51968
3192         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3193         to effect no-op split.
3194
3195 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3196
3197         PR lto/51698
3198         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3199         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3200         (BT_FN_VOID_PTR_INT_SIZE): New.
3201         (BT_FN_UINT_UINT_VAR): Remove.
3202         (BT_FN_UINT32_UINT32_VAR): New.
3203         (BT_FN_DOUBLE_VPTR): Remove.
3204         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3205
3206         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3207         (_ITM_changeTransactionMode): Same.
3208         (_ITM_memmoveRtWt): Change return type to void.
3209         (_ITM_memcpyRtWt): Same.
3210         (_ITM_memsetW): Same.
3211         (_ITM_RaRD): Change types to double.
3212         (_ITM_RD): Same.
3213         (_ITM_RaWD): Same.
3214         (_ITM_RfWD): Same.
3215
3216         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3217
3218 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3219             Patrick Marlier  <patrick.marlier@gmail.com>
3220
3221         * trans-mem.c (requires_barrier): Do not instrument thread local
3222         variables and emit save/restore for them.
3223
3224 2012-01-24  Jason Merrill  <jason@redhat.com>
3225
3226         PR c++/51812
3227         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3228         output static aliases.
3229
3230 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3231
3232         PR driver/47249
3233         * common.opt (-pie, -shared, pie, shared): Change from Common to
3234         Driver.
3235         * gcc.c (display_help): Display help for -pie and -shared.
3236
3237 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3238
3239         PR target/49868
3240         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3241         Remove note on size/offset limitation.
3242         (AVR Variable Attributes): Add example how to read data located
3243         with progmem.  Refer to named address spaces.
3244         * doc/invoke.texi (AVR Options): Fix typo.
3245
3246 2012-01-24  Richard Guenther  <rguenther@suse.de>
3247
3248         Forward-port to trunk
3249         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR middle-end/45678
3252         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3253         op0 isn't sufficiently aligned and there is movmisalignM
3254         insn for mode, use it to load op0 into a temporary register.
3255
3256 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3257
3258         PR target/51957
3259         * target.def (const_not_ok_for_debug_p): New hook.
3260         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3261         documentation.
3262         * doc/tm.texi: Regenerated.
3263         * dwarf2out.c (const_ok_for_output_1): If
3264         targetm.const_not_ok_for_debug_p returns true, fail.
3265         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3266         function.
3267         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3268
3269 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3270
3271         PR target/51900
3272         * config/i386/predicates.md (symbolic_operand): Allow
3273         UNSPEC_PCREL as PIC expression for lea.
3274         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3275         * config/i386/i386.c (ix86_delegitimize_address): Handle
3276         UNSPEC_PCREL for none-MEM, too.
3277
3278 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3279
3280         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3281         (ipa_tm_create_version_alias): Same.
3282
3283 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3284
3285         PR libitm/51830
3286         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3287         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3288
3289 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3290             Patrick Marlier  <patrick.marlier@gmail.com>
3291             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3292
3293         PR lto/51916
3294         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3295         simple_object_start_read.
3296
3297 2012-01-23  Richard Guenther  <rguenther@suse.de>
3298
3299
3300         PR tree-optimization/51895
3301         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3302         parameter decomposition into BLKmode components.
3303
3304 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3305
3306         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3307         fake variables for restrict-qualified pointers whose pointed-to type
3308         contains a placeholder.
3309
3310 2012-01-23  Richard Guenther  <rguenther@suse.de>
3311
3312         PR tree-optimization/51949
3313         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3314
3315 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3316
3317         PR rtl-optimization/51933
3318         * ree.c (transform_ifelse): Return true right away if dstreg is
3319         already wider or equal to cand->mode.
3320         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3321         (make_defs_and_copies_lists): Remove defs_list and copies_list
3322         arguments, add state argument, just truncate state->work_list
3323         instead of always allocating and freeing the vector.  Assert that
3324         get_defs succeeds instead of returning 2.  Changed return type to bool.
3325         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3326         have ext_src_mode, see if it has been modified already with the
3327         right kind of extension and has been extended before from the
3328         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3329         just return true.  Remember the original mode in state->modified array.
3330         (combine_reaching_defs): Add state argument.  Don't allocate and
3331         free here def_list, copied_list and vec vectors, instead just
3332         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3333         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3334         Add state variable, clear vectors in it, initialize state.modified
3335         if needed.  Free all the vectors at the end and state.modified too.
3336         Don't skip a candidate if the extension expression has been modified.
3337
3338 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3339
3340         PR target/47096
3341         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3342          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3343         (extra_options) interix.opt -> i386/interix.opt"
3344         (extra_objs):Add winnt-stubs.o
3345         * configure.ac: Add interix to target_os .comm on PE check.
3346         * configure: Regenerate.
3347         * config/interix3.h: Delete and move bits to..
3348         * config/interix.h: Delete and move bits to..
3349         * config/i386/i386-interix3.h: Delete and move bits to..
3350         * config/i386/i386-interix.h: ..here.
3351         (TARGET_CPU_DEFAULT): Remove redefinition.
3352         (TARGET_ASM_CONSTRUCTOR): Undefine.
3353         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3354         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3355         (PTRDIFF_TYPE): Define.
3356         (LONG_DOUBLE_TYPE_SIZE): Define.
3357         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3358         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3359         (TARGET_SECTION_TYPE_FLAGS): Define.
3360         (ASM_DECLARE_FUNCTION_NAME): Define.
3361         (ASM_OUTPUT_EXTERNAL): Define.
3362         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3363         (ASM_OUTPUT_ALIGNED_BSS): Define.
3364         (PCC_BITFIELD_TYPE_MATTERS): Define.
3365         (USE_CONST_SECTION): Define.
3366         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3367         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3368         (SUPPORTS_ONE_ONLY): Remove.
3369         (I386_PE_STRIP_ENCODING): Define.
3370         * config/interix.opt: Delete and move bits to..
3371         * config/i386/interix.opt: ..here. New.
3372         (mpe-aligned-commons): Add.
3373         * config/i386/t-interix: Add copyright header.
3374         (winnt-stubs.o): Add rule.
3375
3376 2012-01-22  Jason Merrill  <jason@redhat.com>
3377
3378         PR c++/51832
3379         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3380         for extra name aliases.
3381
3382 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3383
3384         PR rtl-optimization/51924
3385         * ree.c (combine_set_extension): Improve debugging message.
3386         (combine_reaching_defs): Likewise.
3387         (get_defs): Rename confusingly named variable.
3388         (find_and_remove_re): Skip a candidate if the extension expression has
3389         been modified.
3390
3391 2012-01-21  Robert Millan  <rmh@gnu.org>
3392             Gerald Pfeifer  <gerald@pfeifer.com>
3393
3394         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3395         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3396
3397 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3398
3399         PR tree-optimization/51914
3400         * tree-vect-stmts.c (vectorizable_conversion): For
3401         cvt_type && modifier == WIDEN, put temporary with cvt_type
3402         at the beginning of vec_dsts and set vec_dest to temporary
3403         with vectype_out.
3404
3405 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3406
3407         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3408
3409 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3410
3411         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3412         * config/rs6000/rs6000.c: Likewise.
3413
3414 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3415
3416         PR target/51915
3417         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3418         output_move_double on a copy of operands array.
3419
3420 2012-01-20  Cary Coutant  <ccoutant@google.com>
3421             Dodji Seketeli  <dodji@redhat.com>
3422
3423         PR debug/45682
3424         * dwarf2out.c (copy_declaration_context): Return ref to parent
3425         of declaration DIE, if necessary.
3426         (remove_child_or_replace_with_skeleton): Add new parameter; update
3427         caller.  Place skeleton DIE under parent DIE of original declaration.
3428         Move call to copy_declaration_context to here ...
3429         (break_out_comdat_types): ... from here.
3430
3431 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3432
3433         PR rtl-optimization/51856
3434         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3435         flag to reloaded.
3436
3437 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3438
3439         PR target/51819
3440         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3441         hints for neon loads and stores.
3442
3443 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3444
3445         PR target/49868
3446         PR target/50887
3447         * doc/extend.texi (Named Address Spaces): Split into subsections.
3448         (AVR Named Address Spaces): New subsection.
3449         (M32C Named Address Spaces): New subsection.
3450         (RL78 Named Address Spaces): New subsection.
3451         (SPU Named Address Spaces): New subsection.
3452         (Variable Attributes): New anchor "AVR Variable Attributes".
3453         (AVR Variable Attributes): Rewrite and avoid wording
3454         "address space" in this context.
3455         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3456         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3457         (AVR Built-in Macros): New subsubsection therein.
3458         * doc/md.texi (AVR constraints): Remove "C04", "R".
3459
3460 2012-01-20  Richard Guenther  <rguenther@suse.de>
3461
3462         PR tree-optimization/51903
3463         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3464         when removing stmts.
3465
3466 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3467
3468         PR target/50313
3469         * config/arm/arm.c (arm_load_pic_register): Use
3470         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3471         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3472         (arm_pic_static_addr): Likewise.
3473         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3474         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3475         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3476         (pic_load_addr_unified): New.
3477
3478 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3479
3480         PR target/51106
3481         * function.c (instantiate_virtual_regs_in_insn): Use
3482         delete_insn_and_edges when removing a wrong asm insn.
3483
3484 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3485
3486         PR rtl-optimization/40761
3487         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3488         Add new member loop_num.
3489         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3490         (ira_build): Remove the parameter.
3491
3492         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3493         (ira.c): Do not build CFG loops for one region allocation.  Remove
3494         argument from ira_build call.
3495
3496         * ira-build.c (init_loop_tree_node): New function.
3497         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3498         loops are not built.
3499         (more_one_region_p): Check current_loops.
3500         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3501         built.
3502         (add_loop_to_tree): Process loop equal to NULL too.
3503         (form_loop_tree): Separate the case when CFG loops are not built.
3504         Use explicitly number for the root.
3505         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3506         an assertion.
3507         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3508         instead of loop->num.
3509         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3510         (mark_all_loops_for_removal): Ditto.
3511         (remove_unnecessary_regions): Separate the case when CFG loops
3512         are not built.
3513         (ira_build): Remove the parameter.  Use explicit number of regions
3514         when CFG loops are not built.
3515
3516         * ira-color.c (print_loop_title): Separate the case for the root node.
3517         Use loop_num instead of loop->num.
3518         (move_spill_restore): Use loop_num instead of loop->num.
3519
3520         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3521         (change_loop): Ditto.