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2012-06-14 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-06-14  Richard Guenther  <rguenther@suse.de>
2
3         * BASE-VER: Set to 4.7.2.
4         * DEV-PHASE: Set to prerelease.
5
6 2012-06-12  Christian Bruel  <christian.bruel@st.com>
7
8         PR target/53621
9         * config/sh/sh.c (sh_option_override): Don't force
10          flag_omit_frame_pointer and maccumulate_outgoing_args.
11         * config/sh/sh.opt (maccumulate-outgoing-args): Init as Var.
12
13 2012-06-14  Release Manager
14
15         * GCC 4.7.1 released.
16
17 2012-06-13  Uros Bizjak  <ubizjak@gmail.com>
18
19         * config/ia64/sync.md (fetchop_name): Change ior attribute to "or".
20
21 2012-06-13  Richard Henderson  <rth@redhat.com>
22
23         * config/rs6000/sync.md (atomic_load, atomic_store): Use INT1 mode
24         iterator instead of INT.
25
26 2012-06-08  Richard Henderson  <rth@redhat.com>
27
28         PR c++/53602
29         * combine-stack-adj.c (force_move_args_size_note): Add ARGS_SIZE
30         note to a clobber insn when no other insn is available.
31
32 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
33
34         PR c++/53524
35         * doc/invoke.texi (Wenum-compare): Update documentation.
36
37 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
38
39         PR target/53559
40         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
41         operands.
42         (altivec_stvlxl): Ditto.
43         (altivec_stvrx): Ditto.
44         (altivec_stvrxl): Ditto.
45
46 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
47
48         PR middle-end/47530
49         * trans-mem.c (expand_block_edges): Do not skip the first
50         statement when resetting the BB.
51
52 2012-06-04  Richard Guenther  <rguenther@suse.de>
53
54         PR middle-end/53471
55         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
56         create new assembler names.
57
58 2012-06-04  Richard Guenther  <rguenther@suse.de>
59
60         Backport from mainline
61         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
62
63         PR middle-end/52979
64         * stor-layout.c (get_best_mode): Don't return mode with bitsize
65         larger than maxbits.  Don't compute maxbits modulo align.
66         Also check that unit bytes long store at bitpos / unit * unit
67         doesn't affect bits beyond bitregion_end.
68         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
69         would not fit into bitregion_start ... bitregion_end + 1 bit
70         region.
71         (store_split_bit_field): Decrease unit close to end of bitregion_end
72         if access is restricted in order to avoid mutual recursion.
73
74 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
75
76         Backport from 2012-06-04 mainline r188172
77
78         PR target/46261
79         * config/avr/avr-stdint.h: New file.
80         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
81         newlib-stdint.h
82
83 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
84
85         PR tree-optimization/53550
86         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
87         is POINTER_TYPE_P, use sizetype as step type instead of type.
88
89 2012-06-04  Richard Guenther  <rguenther@suse.de>
90             Eric Botcazou  <ebotcazou@adacore.com>
91
92         Backport from mainline
93         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
94
95         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
96         Change type of BITOFFSET to signed.  Make sure the lower bound of
97         the computed range is non-negative by adjusting OFFSET and BITPOS.
98         (expand_assignment): Adjust call to get_bit_range.
99
100         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
101
102         * expr.c (get_bit_range): Return the null range if the enclosing record
103         is part of a larger bit field.
104
105         2012-03-20  Richard Guenther  <rguenther@suse.de>
106
107         * stor-layout.c (finish_bitfield_representative): Fallback
108         to conservative maximum size if the padding up to the next
109         field cannot be computed as a constant.
110         (finish_bitfield_layout): If we cannot compute the distance
111         between the start of the bitfield representative and the
112         bitfield member start a new representative.
113         * expr.c (get_bit_range): The distance between the start of
114         the bitfield representative and the bitfield member is zero
115         if the field offsets are not constants.
116
117         2012-03-16  Richard Guenther  <rguenther@suse.de>
118
119         * stor-layout.c (finish_bitfield_representative): Fall back
120         to the conservative maximum size if we cannot compute the
121         size of the tail padding.
122
123         2012-03-14  Richard Guenther  <rguenther@suse.de>
124
125         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
126         * stor-layout.c (start_bitfield_representative): New function.
127         (finish_bitfield_representative): Likewise.
128         (finish_bitfield_layout): Likewise.
129         (finish_record_layout): Call finish_bitfield_layout.
130         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
131         for QUAL_UNION_TYPE fields.
132         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
133         Stream DECL_BIT_FIELD_REPRESENTATIVE.
134         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
135
136         PR middle-end/52080
137         PR middle-end/52097
138         PR middle-end/48124
139         * expr.c (get_bit_range): Unconditionally extract bitrange
140         from DECL_BIT_FIELD_REPRESENTATIVE.
141         (expand_assignment): Adjust call to get_bit_range.
142
143 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
144
145         PR middle-end/53501
146         * fold-const.c (fold_binary_loc): Refine previous change.
147
148 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
149
150         Backport from mainline
151         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
152
153         PR target/52667
154         * config/sh/sh.c (find_barrier): Add equality check of last_got to
155         avoid going above orig insn.  Update comments.
156
157 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
158
159         Backport from mainline
160         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
161
162         PR target/52642
163         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
164         prologue for unwinder and profiler.
165
166 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
167
168         Backport from mainline
169         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
170
171         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
172
173 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
174
175         Backport from mainline
176         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
177
178         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
179         DBX_REGISTER_NUMBER.
180
181 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
182
183         Backport from mainline
184         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
185
186         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
187         operand is CONST_INT.  Take COSTS_N_INSNS into account.
188         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
189         shiftcosts.     
190
191 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
192
193         * config/avr/avr.opt (-msp8): Document it.
194         * doc/invoke.texi (AVR Options): Copy from trunk docu.
195
196 2012-05-31  Richard Guenther  <rguenther@suse.de>
197
198         PR middle-end/48493
199         * expr.c (expand_assignment): Do not use movmisalign on
200         non-memory.
201
202 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
203
204         PR target/52999
205         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
206         (pa_section_type_flags): New.
207         (pa_legitimate_constant_p): Revert previous change.
208
209 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
210
211         Backport from mainline
212         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
213
214         PR middle-end/53008
215         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
216         accessed indirectly.
217         (ipa_tm_create_version): Same.
218
219 2012-05-30  Jason Merrill  <jason@redhat.com>
220
221         PR c++/53220
222         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
223         about array compound literals.
224
225 2012-05-30  Richard Guenther  <rguenther@suse.de>
226
227         PR middle-end/53501
228         * fold-const.c (fold_binary_loc): Make sure to call
229         fold_plusminus_mult_expr with the original sign of operands.
230
231 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
232
233         * explow.c (probe_stack_range): Restore simple control flow and stop
234         again when the probe cannot be generated if HAVE_check_stack.
235
236 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
237
238         PR rtl-optimization/53519
239         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
240         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
241
242 2012-05-29  Richard Guenther  <rguenther@suse.de>
243
244         PR tree-optimization/53516
245         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
246         bitfield accesses.
247         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
248
249 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
250
251         Backport from mainline
252         2012-05-28  Richard Guenther  <rguenther@suse.de>
253
254         PR tree-optimization/53438
255         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
256
257 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
258
259         Backport from mainline
260         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
261
262         PR rtl-optimization/52528
263         * combine.c (can_combine_p): Add setting of subst_low_luid
264         before call to expand_field_assignment().
265
266 2012-05-26  Martin Jambor  <mjambor@suse.cz>
267
268         Backport from mainline
269         2012-05-23  Martin Jambor  <mjambor@suse.cz>
270
271         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
272
273 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
274
275         PR lto/52178
276         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
277         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
278
279 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
280
281         PR target/53435
282         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
283         (ix86_expand_vec_perm): Use int mode instead of float.
284
285 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
286
287         PR ada/52362
288         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
289         gnu_ld variables to yes.
290         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
291         (HAVE_GNU_AS): Likewise.
292         * config.in: Regenerate.
293         * configure: Likewise.
294
295 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
296
297         Backport from mainline
298         2012-03-12  Richard Guenther  <rguenther@suse.de>
299         * config/arm/arm.c (neon_dereference_pointer): Do not call
300         covert during RTL expansion.
301
302 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
303
304         Backport from mainline
305         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
306
307         PR target/53385
308         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
309         relied on signed overflow behavior.
310
311 2012-05-24  Richard Guenther  <rguenther@suse.de>
312
313         PR middle-end/53460
314         * tree-profile.c (tree_profiling): Cleanup the CFG if
315         execute_fixup_cfg requests it.
316
317 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
318
319         PR tree-optimization/53465
320         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
321         vr0 into *vr, then vrp_meet that.
322         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
323         have any equivalences.
324         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
325         first time.
326
327 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
328
329         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
330         size handling.
331         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
332         (iterative_hash_gimple_type): Adjust comment.
333         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
334         domain for an array type instead of the domain type itself.
335
336 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
337
338         Backport from 2012-05-23 mainline r187803
339
340         PR target/53448
341         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
342         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
343         ASM_OUTPUT_ALIGN.
344
345 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
346
347         Backport from 2012-05-03 mainline r187075
348
349         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
350         has_fma4 for AMD processors with both fma3 and fma4 support.
351
352 2012-05-22  Richard Guenther  <rguenther@suse.de>
353
354         PR tree-optimization/53408
355         * tree-vect-loop.c (vectorizable_induction): Properly check
356         the restriction that we cannot handle induction results from
357         the inner loop outside of the outer loop.
358
359 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
360
361         PR tree-optimization/53436
362         * omp-low.c (omp_build_component_ref): New function.
363         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
364
365         PR tree-optimization/53366
366         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
367         tests if complex_numbers == 2, but there are non-complex number loads
368         too.
369
370         PR tree-optimization/53409
371         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
372         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
373
374         PR tree-optimization/53410
375         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
376         instead of build_int_cst (type, 0) where vector types might be
377         involved.
378
379 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
380
381         PR c/53418
382         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
383         from folded operands before wrapping another around the
384         conditional expression.
385
386 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
387             Patrick Marlier  <patrick.marlier@gmail.com>
388
389         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
390         indirect calls.
391
392 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
393
394         Backport from mainline
395         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
396
397         PR target/53416
398         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
399         (UNSPECV_RDRAND): This.
400         (rdrand<mode>_1): Updated.
401
402 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
403
404         Backport from mainline
405         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
406
407         * config/i386/driver-i386.c (host_detect_local_cpu): Support
408         RDRND, F16C and FSGSBASE.
409
410 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
411
412         Backport from mainline
413         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
414
415         * tree-ssa-pre.c (can_value_number_call): Delete.
416         (compute_avail): Skip all statements with side effects.
417         <GIMPLE_CALL>: Skip calls to internal functions.
418
419 2012-05-18  David S. Miller  <davem@davemloft.net>
420
421         Backport r185385 from mainline
422         2012-03-14  Richard Guenther  <rguenther@suse.de>
423
424         PR middle-end/52584
425         * tree-vect-generic.c (type_for_widest_vector_mode): Take
426         element type instead of mode, use build_vector_type_for_mode
427         instead of the langhook, build a vector of proper signedness.
428         (expand_vector_operations_1): Adjust.
429
430 2012-05-18  Olivier Hainque  <hainque@adacore.com>
431
432         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
433         $(libsubdir) as libexecsubdir.
434
435 2012-05-16  Andrew Pinski  <apinski@cavium.com>
436
437         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
438         GIMPLE_ASSIGN.
439
440 2012-05-16  David S. Miller  <davem@davemloft.net>
441
442         * jump.c (delete_related_insns): If we remove a CALL, make sure
443         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
444
445 2012-05-16  Richard Henderson  <rth@redhat.com>
446
447         PR debug/52727
448         * combine-stack-adj.c (prev_active_insn_bb): New.
449         (next_active_insn_bb): New.
450         (force_move_args_size_note): New.
451         (combine_stack_adjustments_for_block): Use it.
452
453 2012-05-16  Olivier Hainque  <hainque@adacore.com>
454
455         * Makefile.in (install-no-fixedincludes): New target, former toplevel
456         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
457         Add comments and improve stamp preservation across the whole sequence.
458         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
459
460 2012-05-16  Richard Guenther  <rguenther@suse.de>
461
462         PR tree-optimization/53364
463         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
464         detect a view-conversion of the decl.
465
466 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
467
468         PR target/53358
469         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
470         that operands[2] is either immediate, or q_regs_operand.
471
472 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
473
474         Backport r187139 from mainline.
475         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
476
477         PR rtl-optimization/52804
478         * reload1.c (reload_reg_reaches_end_p): Check whether successor
479         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
480         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
481         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
482         RELOAD_FOR_OUTADDR_ADDRESS.
483
484 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
485
486         PR target/46098
487         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
488         generate target register for "load" class builtins.
489
490         Revert:
491         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
492
493         PR target/46098
494         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
495         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
496         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
497         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
498         (<sse>_movu<ssemodesuffix>): New expander.
499         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
500         (avx_movdqu<avxmodesuffix>): New expander.
501         (*sse2_movdqu): Rename from sse2_movdqu.
502         (sse2_movdqu): New expander.
503
504 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
505
506         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
507         lineno 1 the same as lineno 0 before first start file directive.
508         (optimize_macinfo_range): Likewise.
509
510         * dwarf2out.c (have_macinfo): Define.
511         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
512         attribute, don't force empty compilation unit and don't emit any
513         .debug_macinfo/.debug_macro section if macinfo_table is empty.
514
515 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
516
517         Backport from mainline
518         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
519
520         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
521         ORDERED and UNORDERED conditions.
522
523 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
524
525         * function.c (requires_stack_frame_p): If the function can throw
526         non-call exceptions, return true if the insn can throw internally.
527
528 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
529
530         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
531         DECL_ORIGINAL_TYPE if it is present.
532
533 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
534
535         Backport from 2012-05-12 mainline r187342.
536
537         PR target/53256
538         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
539         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
540         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
541         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
542         (expand_prologue): Move initialization of cfun->machine->is_naked,
543         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
544         (avr_set_current_function): ...this new static function.
545         (TARGET_SET_CURRENT_FUNCTION): New define.
546         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
547         checking attributes of current_function_decl.
548         (avr_regs_to_save): Ditto.
549         (signal_function_p): Rename to avr_signal_function_p.
550         (interrupt_function_p): Rename to avr_interrupt_function_p.
551
552         * doc/extend.texi (Function Attributes): Better explanation of
553         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
554         alphabetical order.
555
556 2012-05-09  Matthias Klose  <doko@ubuntu.com>
557
558         * gcc-ar.c (main): Don't check for execute bits for the plugin.
559
560 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
561
562         PR target/53272
563         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
564         when a constant source operand matches an "I" constraint, the "no
565         CC0 change" applies to a register-destination only, not a
566         strict_low_part-destination.
567
568 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
569
570         Backport from mainline:
571         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
572
573         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
574
575 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
576
577         PR tree-optimization/53239
578         * tree-vrp.c (get_value_range): Set VR of
579         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
580         to nonnull.
581
582 2012-05-07  Richard Guenther  <rguenther@suse.de>
583
584         PR tree-optimization/53195
585         * tree-inline.c (setup_one_parameter): Properly add referenced
586         vars from the parameters new known value.
587
588 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
589
590         Backport from mainline:
591         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
592
593         PR target/52999
594         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
595         in constant pool.
596
597 2012-05-04  Ian Lance Taylor  <iant@google.com>
598
599         * tree-vect-patterns.c (vect_single_imm_use): Correct return
600         values from false to NULL.
601
602 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
603
604         Backport from mainline
605         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
606
607         PR target/53228
608         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
609         (TARGET_CMOV): Rename from TARGET_CMOVE.
610         (TARGET_CMOVE): New define.
611         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
612         Do not set TARGET_CMOVE here.
613
614 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
615
616         Backport from mainline:
617
618         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
619
620         PR tree-optimization/52633
621         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
622         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
623         (vect_recog_over_widening_pattern): Remove handling of code that was
624         already detected as over-widening pattern.  Remove special handling
625         of "unsigned" cases.  Instead, support general case of conversion
626         of the shift result to another type.
627
628         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
629
630         * tree-vect-patterns.c (vect_single_imm_use): New function.
631         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
632         (vect_recog_over_widening_pattern): Likewise.
633         (vect_recog_widen_shift_pattern): Likewise.
634
635         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
636
637         PR tree-optimization/52870
638         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
639         presumed pattern statement is within the same loop or basic block.
640
641 2012-05-04  Richard Guenther  <rguenther@suse.de>
642
643         * common.opt (flto-report): Do not mark as Optimization.
644
645 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
646
647         PR target/48496
648         * recog.c (constrain_operands): If extra constraints are present, also
649         accept pseudo-registers with equivalent memory locations during reload.
650
651 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
652
653         Backport from the mainline
654         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
655
656         PR target/53199
657         * config/rs6000/rs6000.md (bswapdi splitters): If
658         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
659         default) is used, generate an alternate sequence that does not
660         depend on using indexed addressing.
661
662 2012-05-03  David S. Miller  <davem@davemloft.net>
663
664         PR target/52684
665         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
666         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
667         (sparc_emit_float_lib_cmp): Likewise.
668
669 2012-05-04  Martin Jambor  <mjambor@suse.cz>
670
671         Backport from mainline
672         2012-05-02  Martin Jambor  <mjambor@suse.cz>
673
674         PR lto/52605
675         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
676         of a variable when the contect is a function.
677
678 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
679
680         PR plugins/53126
681         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
682         append program name to it and pass that as first argument
683         to make_relative_prefix.  Always pass standard_libexec_prefix
684         as last argument to make_relative_prefix.  If
685         make_relative_prefix returns NULL, fall back to
686         standard_libexec_prefix.
687
688         PR debug/53174
689         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
690         removed.
691
692         PR target/53187
693         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
694         mode, return that mode.
695
696 2012-05-03  Richard Guenther  <rguenther@suse.de>
697
698         PR tree-optimization/53144
699         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
700         Rename to ...
701         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
702         with SSA name values.
703         (vn_reference_lookup_3): Adjust callers.
704
705 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
706
707         PR tree-optimization/53163
708         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
709         return value from compute_all_dependences.
710
711         PR rtl-optimization/53160
712         * ree.c (combine_reaching_defs): Handle the case where cand->insn
713         has been modified by ree pass already.
714
715 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
716
717         Backport from mainline
718         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
719
720         PR middle-end/53136
721         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
722         calls to cgraph_node_name in xstrdup.
723         (ipa_make_edge_direct_to_target): Ditto.
724         * tree-sra.c (convert_callers_for_node): Ditto.
725         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
726         * ipa-cp.c (perhaps_add_new_callers): Ditto.
727         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
728         (cgraph_materialize_all_clones): Ditto.
729         * ipa-inline.c (report_inline_failed_reason): Ditto.
730         (want_early_inline_function_p): Ditto.
731         (edge_badness): Ditto.
732         (update_edge_key): Ditto.
733         (flatten_function): Ditto.
734         (ipa_inline): Ditto.
735         (inline_always_inline_functions): Ditto.
736         (early_inline_small_functions): Ditto.
737
738 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
739
740         Backport from mainline
741         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
742
743         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
744         Introduce emul_name to select the right linker emulation for
745         powerpc64-*-freebsd*.
746         * configure: Regenerate.
747         * config.gcc: Add bits to support powerpc64-*-freebsd*.
748         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
749         * config/rs6000/freebsd64.h: New file.
750         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
751         POWERPC_FREEBSD.
752         (rs6000_savres_strategy): Likewise.
753         (rs6000_savres_routine_name): Likewise.
754         (rs6000_elf_file_end): Likewise.
755         * config/rs6000/t-freebsd64: New file.
756         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
757         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
758
759 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
760
761         Backport from mainline
762         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
763
764         PR target/53138
765         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
766
767 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
768
769         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
770         predicate to discriminate types.
771
772 2012-04-27  Richard Guenther  <rguenther@suse.de>
773
774         PR c/51527
775         * convert.c (convert_to_integer): Avoid infinite recursion for
776         target-defined built-in types.
777
778 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
779
780         PR target/53120
781         * config/cris/cris.md ("*andhi_lowpart_v32")
782         ("*andqi_lowpart_v32"): Change first input-only operand from
783         a (match_operand ...) to (match_dup 0).  Drop alternatives with
784         const_int-matching constraints for redundancy.
785         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
786         three-operand alternative.
787
788 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
789
790         Backport from mainline
791         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
792
793         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
794         (*addsi_2_zext): Ditto.
795         (*add<mode>_3): Ditto.
796         (*addsi_3_zext): Ditto.
797         (*add<mode>_5): Ditto.
798
799 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
800
801         PR c/52880
802         * c-typeck.c (set_nonincremental_init,
803         set_nonincremental_init_from_string): Pass true instead of false
804         as IMPLICIT to add_pending_init.
805
806 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
807
808         Backport from 2012-04-24 mainline r186768.
809
810         PR target/53065
811         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
812
813 2012-04-24  Richard Guenther  <rguenther@suse.de>
814
815         PR tree-optimization/53085
816         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
817         stores.
818
819 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
820
821         PR middle-end/53084
822         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
823         of MEM_REF.
824         (output_addressed_constants): Likewise.
825
826         PR middle-end/52999
827         * varasm.c (get_section): Don't ICE for section conflicts with
828         built-in section kinds.
829
830 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
831
832         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
833
834 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
835
836         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
837
838 2012-04-23  Richard Guenther  <rguenther@suse.de>
839
840         PR c/53060
841         * c-typeck.c (build_binary_op): Fix typo.
842
843 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
844
845         PR tree-optimizations/52891
846         * tree-vect-patterns.c (adjust_bool_pattern): Use
847         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
848         but with non-standard precision.
849
850 2012-04-22  Ian Lance Taylor  <iant@google.com>
851
852         * godump.c (go_output_typedef): Dump size of structs.
853
854 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
855
856         Backport from mainline:
857
858         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
859         hints for 'A' operand types.
860
861 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
862
863         Backport from 2012-04-19 mainline r186588.
864
865         PR target/53033
866         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
867         the case *(X+const).
868
869 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
870
871         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
872
873 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
874
875         PR target/53020
876         * config/i386/sync.md (atomic_<code><mode>): Rename to
877         atomic_<logic><mode>.
878
879 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
880
881         Backport from mainline
882         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
883
884         PR target/52932
885         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
886         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
887         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
888         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
889         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
890         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
891         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
892         gen_avx2_permvarv8sf.
893
894 2012-04-16  Martin Jambor  <mjambor@suse.cz>
895
896         Backported from mainline
897
898         2012-04-13  Martin Jambor  <mjambor@suse.cz>
899         PR middle-end/52939
900
901         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
902         fold_ctor_reference returns a zero constant.
903
904 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
905
906         Backported from mainline
907         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
908
909         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
910         and __ILP32__ for x32.
911
912 2012-04-13  Tom de Vries  <tom@codesourcery.com>
913
914         Backport from mainline r186418.
915
916         2012-04-13  Tom de Vries  <tom@codesourcery.com>
917
918         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
919         parameters vuse and vuse_escaped.
920         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
921         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
922         vuse1 != vuse2.
923
924 2012-04-13  Richard Guenther  <rguenther@suse.de>
925
926         PR tree-optimization/52969
927         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
928         the condition for the COND_EXPR and handle predicate negation
929         by swapping the COND_EXPR arms.
930
931 2012-04-13  Richard Guenther  <rguenther@suse.de>
932
933         PR c/52862
934         * convert.c (convert_to_pointer): Remove special-casing of
935         zero.
936
937 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
938
939         Backport from mainline
940         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
941
942         PR target/52775
943         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
944         the list of options to enable the FCFID instruction.
945         (TARGET_EXTRA_BUILTINS): Adjust comment.
946
947 2012-04-12  Richard Guenther  <rguenther@suse.de>
948
949         PR tree-optimization/52943
950         * tree-chrec.h (chrec_is_positive): Remove.
951         * tree-scalar-evolution.c (chrec_is_positive): Move ...
952         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
953         Return false for a constant zero instead of negative.
954         (analyze_siv_subscript_cst_affine): Handle zero difference
955         in the initial condition explicitely.
956
957 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
958
959         PR middle-end/52894
960         * varasm.c (process_pending_assemble_externals): Set
961         pending_assemble_externals_processed true.
962         (assemble_external): Call assemble_external_real if the pending
963         assemble externals have been processed.
964
965 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
966
967         PR target/52717
968         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
969         the DECL generated for the special GOT helper.
970
971 2012-04-06  Walter Lee  <walt@tilera.com>
972
973         Backport from mainline
974         2012-03-07  Walter Lee  <walt@tilera.com>
975
976         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
977         REG_CFA_* notes for the stack pointer.
978         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
979         EH_RETURN_STACKADJ_RTX.
980         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
981         generate REG_CFA_* notes for the stack pointer.
982         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
983         by EH_RETURN_STACKADJ_RTX.
984
985 2012-04-06  Matt Turner  <mattst88@gmail.com>
986
987         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
988
989 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
990
991         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
992         of the destination isn't also a FP_REGS register.
993
994 2012-04-03  Richard Guenther  <rguenther@suse.de>
995
996         Backport from mainline
997         2012-03-02  Richard Guenther  <rguenther@suse.de>
998
999         PR tree-optimization/52406
1000         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1001         (struct indices): Add unconstrained_base member.
1002         (struct dr_alias): Remove unused vops member.
1003         (DR_UNCONSTRAINED_BASE): New define.
1004         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1005         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1006         be an artificial access that covers the whole indexed object,
1007         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1008         plain decl base-objects to their MEM_REF variant.
1009         (dr_may_alias_p): When the base-object of either data reference
1010         has unknown size use only points-to information.
1011         (compute_affine_dependence): Make dumps easier to read and
1012         more verbose.
1013         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1014         DR_REF when looking for packed references.
1015         (vect_supportable_dr_alignment): Likewise.
1016
1017 2012-04-03  Richard Guenther  <rguenther@suse.de>
1018
1019         Backport from mainline
1020         2012-03-15  Richard Guenther  <rguenther@suse.de>
1021
1022         PR middle-end/52580
1023         * tree-data-ref.c (subscript_dependence_tester_1): Check
1024         all dimensions for non-conflicting access functions.
1025
1026 2012-04-03  Richard Guenther  <rguenther@suse.de>
1027
1028         Backport from mainline
1029         2012-03-06  Richard Guenther  <rguenther@suse.de>
1030
1031         PR middle-end/52493
1032         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1033
1034         2012-03-23  Richard Guenther  <rguenther@suse.de>
1035
1036         PR tree-optimization/52678
1037         * tree-vectorizer.h (struct _stmt_vec_info): Add
1038         loop_phi_evolution_part member.
1039         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1040         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1041         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1042         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1043         Use the cached evolution part and the PHI nodes value from
1044         the loop preheader edge instead of re-analyzing the evolution.
1045
1046         2012-03-26  Richard Guenther  <rguenther@suse.de>
1047
1048         PR tree-optimization/52701
1049         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1050         compute and set the evolution part of PHI nodes.
1051
1052         2012-03-30  Richard Guenther  <rguenther@suse.de>
1053
1054         PR tree-optimization/52754
1055         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1056         propagate arbitrary addresses into really plain dereferences.
1057
1058 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1059
1060         PR tree-optimization/52835
1061         * tree-data-ref.c (build_rdg): Return NULL if
1062         compute_data_dependences_for_loop failed.
1063
1064 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1065
1066         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1067         (stmt_can_make_abnormal_goto): Use it.
1068         (is_ctrl_altering_stmt): Likewise.
1069
1070 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1071
1072         Backported from mainline
1073         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1074
1075         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1076         is a builtin_stack_save in a dominating BB.
1077
1078 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1079
1080         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1081         crossing 128bit lane boundary.
1082
1083 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1084
1085         Backported from mainline
1086         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1087
1088         PR target/52698
1089         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1090         New prototype.
1091         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1092         * config/i386/i386.c: Include reload.h.
1093         (ix86_legitimize_reload_address): New function.
1094
1095 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1096
1097         Backported from mainline
1098         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1099
1100         PR middle-end/52693
1101         * tree-sra.c (sra_modify_assign): Do not call
1102         load_assign_lhs_subreplacements when working with an unscalarizable
1103         region.
1104
1105 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1106
1107         PR middle-end/52691
1108         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1109         __builtin_va_start to __builtin_next_arg if the latter is
1110         builtin_decl_explicit_p rather than when it is not.
1111
1112         PR middle-end/52750
1113         * tree-vect-generic.c (vector_element): Perform multiplication
1114         for pos in bitsizetype type instead of idx type.
1115
1116 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1117
1118         Backport from 2012-03-28 mainline r185910.
1119
1120         PR target/52692
1121         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1122         (avr_builtin_decl): New static function.
1123         (struct avr_builtin_description, avr_bdesc): Move up.
1124         Add GTY marker. Add field fndecl. Remove redundant field id.
1125         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1126         (avr_expand_builtin): Code cleanup because .id is removed.
1127
1128 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1129
1130         PR middle-end/51893
1131         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1132         targets.
1133
1134 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1135
1136         Backport from 2012-03-28 mainline r185907.
1137
1138         PR target/52737
1139         * config.gcc (tm_file): Remove avr/multilib.h.
1140
1141         * doc/invoke.texi (AVR Options): Adjust
1142         documentation of -mtiny-stack.
1143
1144         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1145         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1146         * config/avr/t-avr: Remove generation of multilib.h.
1147         * config/avr/t-multilib: Regenerate.
1148         * config/avr/multilib.h: Remove.
1149         * config/avr/avr.opt (-msp8): New option.
1150         (avr_sp8): New variable.
1151         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1152         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1153         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1154         (avr_device_to_sp8): New prototype.
1155         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1156         (DRIVER_SELF_SPECS): New define.
1157         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1158         __AVR_SP8__, __AVR_HAVE_SPH__.
1159         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1160         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1161         (avr_file_start): Ditto.
1162
1163 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR target/52736
1166         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1167         instead of 8 in adjust_address.
1168
1169 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1170
1171         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1172         of a unit before computing the offset in units.
1173
1174 2012-03-27  Richard Guenther  <rguenther@suse.de>
1175
1176         PR middle-end/52720
1177         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1178         explicitely.
1179
1180 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1181
1182         PR target/52610
1183         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1184
1185 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1186
1187         PR middle-end/52640
1188         * varasm.c: Include pointer-set.h.
1189         (pending_assemble_externals_set): New pointer set.
1190         (process_pending_assemble_externals): Destroy the pointer set.
1191         (assemble_external): See if decl is in pending_assemble_externals_set,
1192         and add it to pending_assemble_externals if necessary.
1193         (init_varasm_once): Allocate pending_assemble_externals_set.
1194
1195 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1196
1197         Backported from mainline
1198         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1199
1200         PR target/50310
1201         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1202         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1203         (vector_ltgt<mode>): Likewise.
1204         (vector_ordered<mode>): Likewise.
1205         (vector_unordered<mode>): Likewise.
1206         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1207
1208 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1209
1210         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1211         Make static.
1212
1213 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1214
1215         Backported from mainline
1216         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1217
1218         PR target/48596
1219         PR target/48806
1220         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1221         GENERAL_REGS and FP_REGS for SImode.
1222
1223 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1224
1225         PR middle-end/52547
1226         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1227         on any new_local_var_chain vars declared during recursing on
1228         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1229
1230 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1231
1232         Backport from 2012-03-22 mainline r185692.
1233
1234         PR target/52496
1235         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1236         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1237         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1238         (delay_cycles_1, delay_cycles_2): Ditto.
1239         (delay_cycles_3, delay_cycles_4): Ditto.
1240         (nopv, *nopv): Ditto.
1241         (sleep, *sleep): Ditto.
1242         (wdr, *wdr): Ditto.
1243
1244         Backport from 2012-03-21 mainline r185605.
1245
1246         PR rtl-optimization/52543
1247         PR target/52461
1248         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1249         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1250         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1251         (avr_load_libgcc_p): Restrict to __flash loads.
1252         (avr_out_lpm): Only handle 1-byte loads from __flash.
1253         (avr_load_lpm): New function.
1254         (avr_find_unused_d_reg): Remove.
1255         (avr_out_lpm_no_lpmx): Remove.
1256         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1257         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1258         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1259         (load_<mode>, load_<mode>_clobber): New insns.
1260         (mov<mode>): For multi-byte move from non-generic
1261         16-bit address spaces: Expand to load_<mode> resp.
1262         load_<mode>_clobber.
1263         (load<mode>_libgcc): Remove expander.
1264         (split-lpmx): Remove split.
1265
1266         Backport from 2012-03-13 mainline r185329.
1267
1268         PR target/52488
1269         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1270         offset (size) to a value the insns can deal with.
1271         (expand_epilogue): Ditto.
1272
1273         Backport from 2012-03-12 mainline r185256.
1274
1275         PR target/52499
1276         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1277         type from reg_class_t to enum reg_class.
1278         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1279
1280         Backport from 2012-03-12 mainline r185253.
1281
1282         PR target/52148
1283         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1284         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1285         r184615 from 2012-02-28.
1286
1287         Backport from 2012-03-08 mainline r185105.
1288
1289         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1290         for constants in [-63,63].
1291
1292         Backport from 2012-03-08 mainline r185100.
1293
1294         PR target/52496
1295         * config/avr/avr.c (avr_mem_clobber): New static function.
1296         (avr_expand_delay_cycles): Add memory clobber operand to
1297         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1298         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1299         (enable_interrupt, disable_interrupt): New expander.
1300         (nopv, sleep, wdr): New expanders.
1301         (delay_cycles_1): Add memory clobber.
1302         (delay_cycles_2): Add memory clobber.
1303         (delay_cycles_3): Add memory clobber.
1304         (delay_cycles_4): Add memory clobber.
1305         (cli_sei): New insn from former "enable_interrupt",
1306         "disable_interrupt" with memory clobber.
1307         (*wdt): New insn from former "wdt" with memory clobber.
1308         (*nopv): Similar, but for "nopv".
1309         (*sleep): Similar, but for "sleep".
1310
1311         Backport from 2012-03-07 mainline r185043.
1312
1313         PR target/52484
1314         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1315
1316         Backport from 2012-03-07 mainline r185032.
1317
1318         PR target/52506
1319         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1320         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1321         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1322
1323         Backport from 2012-03-07 mainline r185031.
1324
1325         PR target/52505
1326         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1327         from RAM.
1328         * config/avr/avr.md (xload_8): Adjust insn length.
1329
1330         Backport from 2012-03-07 mainline r185030.
1331
1332         PR target/52461
1333         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1334         if RAMPZ affects reading from RAM.
1335
1336         Backport from 2012-03-05 mainline r184919.
1337
1338         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1339
1340 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1341
1342         Backport from mainline r185259.
1343
1344         PR other/52545
1345         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1346         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1347
1348 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1349
1350         Backported from mainline
1351         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1352
1353         PR c/52577
1354         * c-parser.c (c_parser_postfix_expression)
1355         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1356
1357         * config/i386/smmintrin.h: Avoid /* within a comment.
1358         * config/i386/nmmintrin.h: Likewise.
1359
1360 2012-03-22  Richard Guenther  <rguenther@suse.de>
1361
1362         * BASE-VER: Set to 4.7.1.
1363         * DEV-PHASE: Set to prerelease.
1364
1365 2012-03-22  Release Manager
1366
1367         * GCC 4.7.0 released.
1368
1369 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1370
1371         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1372
1373 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1374             Andrew Pinski  <apinski@cavium.com>
1375
1376         PR middle-end/52592
1377         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1378         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1379         calls instead of __builtin_ir{int,ound}*.
1380
1381 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1382
1383         PR c++/52582
1384         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1385         if c_node is NULL.
1386
1387 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1388
1389         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1390         Refer to GCC 4.7 version of c99status.html.
1391
1392 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1393
1394         Backport from mainline
1395         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1396
1397         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1398         redefine to be NULL if the current bit-size is different from the
1399         configured bit-size.
1400
1401         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1402         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1403         set the default tuning.  Add asserts to make sure the cpu and tune
1404         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1405         test whether the index is set, instead of > 0.
1406         (rs6000_file_start): Do not reset the default cpu if the current
1407         bit-size is different from the configured bit-size.
1408
1409 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1410
1411         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1412         binutils reference.
1413         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1414         Update binutils references.
1415         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1416         Update binutils reference.
1417         Update Sun as/GNU ld caveat.
1418         Document binutils largefile requirement for LTO plugin.
1419         Remove reference to alternate libpthread.
1420
1421 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1422
1423         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1424         reference.
1425         (Specific, mips-sgi-irix6): Likewise.
1426
1427 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1428
1429         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1430         * configure: Regenerate.
1431
1432 2012-03-07  Richard Henderson  <rth@redhat.com>
1433
1434         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1435         * config/m68k/sync.md (atomic_test_and_set): Use it.
1436         (atomic_test_and_set_1): Likewise.
1437
1438 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1439
1440         PR target/51417
1441         * Makefile.in: Let install-gcc-ar depend on installdirs,
1442         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1443         Don't double canonicalize if cross-compiling.
1444
1445 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1446
1447         * trans-mem.c: New typedef for tm_region_p.
1448         Define vector types for tm_region_p.
1449         (tm_region_init): Replace region_worklist to a vector called
1450         bb_regions.
1451
1452 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1453
1454         PR middle-end/52463
1455         * trans-mem.c (tm_region_init): Use last_basic_block.
1456
1457 2012-03-05  Richard Henderson  <rth@redhat.com>
1458
1459         PR tree-opt/52242
1460         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1461         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1462         BIGGEST_ALIGNMENT is aligned.
1463
1464 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1465
1466         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1467
1468 2012-03-05  Richard Henderson  <rth@redhat.com>
1469
1470         PR target/52481
1471         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1472         instead of calling negqi2 directly.
1473
1474 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1475
1476         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1477         (INTMAX_TYPE): Use it.
1478         (UINTMAX_TYPE): Likewise.
1479         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1480         (irix6_c_common_override_options): Declare.
1481         (C_COMMON_OVERRIDE_OPTIONS): Define.
1482         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1483         * config/mips/irix6-c.c: New file.
1484         * config/mips/t-irix6 (irix6-c.o): New target.
1485         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1486         cxx_target_objs.
1487
1488 2012-03-02  Richard Henderson  <rth@redhat.com>
1489
1490         * optabs.c (expand_atomic_test_and_set): Honor
1491         atomic_test_and_set_trueval even when atomic_test_and_set
1492         optab is not in use.
1493
1494 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1495
1496         Backport from mainline
1497         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1498
1499         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1500
1501 2012-03-02  Richard Guenther  <rguenther@suse.de>
1502
1503         * DEV-PHASE: Set to prerelease.
1504
1505 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1506
1507         * config.gcc (obsolete): Add all ARM targets using the FPA.
1508         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1509         * doc/install.texi: Avoid references to obsolete ARM ports.
1510
1511 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1512
1513         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1514
1515 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1516             Joern Rennecke  <joern.rennecke@embecosm.com>
1517
1518         * doc/extend.texi: Expand and update information on interrupt
1519         attribute for Epiphany.
1520
1521 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1522
1523         * config/sh/sh-protos.h: Update copyright notice dates.
1524         * config/sh/sh.h: Likewise.
1525         * config/sh/sh.md: Likewise.
1526         * config/sh/constraints.md: Likewise.
1527         * config/sh/predicates.md: Likewise.
1528
1529 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1530
1531         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1532         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1533
1534 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1535
1536         * config/sh/constraints.md: Fix comment typo.
1537
1538 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1539
1540         PR target/52408
1541         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1542         unsigned HOST_WIDE_INT.
1543         (zvdep_imm64): Likewise.
1544         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1545         (vdepi_and): Likewise.
1546         Likewise for unamed 64-bit patterns.
1547         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1548
1549 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1550
1551         PR debug/52001
1552         PR rtl-optimization/52417
1553         * cselib.c (cselib_any_perm_equivs): New variable.
1554         (cselib_reset_table): Check that it's not set when not
1555         preserving constants.
1556         (cselib_add_permanent_equiv): Set it.
1557         (cselib_have_permanent_equivalences): New.
1558         (cselib_init, cselib_finish): Reset it.
1559         * cselib.h (cselib_have_permanent_equivalences): Declare.
1560         * alias.c (get_addr): Restore earlier behavior when there
1561         aren't permanent equivalences.
1562
1563 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1564
1565         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1566         * config/v850/v850-modes.def: Fix copyright notice.
1567
1568 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1569
1570         * doc/extend.texi (AVR Built-in Functions): Document
1571         __builtin_avr_flash_segment.
1572
1573         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1574         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1575         (*split.flash_segment): New insn-and-split.
1576         * config/avr/avr.c (avr_init_builtins): Add local variables:
1577         const_memx_void_node, const_memx_ptr_type_node,
1578         char_ftype_const_memx_ptr.
1579
1580 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1581
1582         PR tree-optimization/52445
1583         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1584         add ssa_name_ver, offset and size fields and change store field
1585         to bool.
1586         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1587         (add_or_mark_expr): Likewise.  Only consider previous stores
1588         with the same size and offset.
1589         (nt_init_block): Only look at gimple_assign_single_p stmts,
1590         doesn't look at rhs2.
1591
1592 2012-03-01  Richard Guenther  <rguenther@suse.de>
1593
1594         PR middle-end/52443
1595         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1596         conversions from integral types to pointer types.
1597
1598 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1599
1600         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1601         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1602         unintentionally removed in r184616.
1603
1604 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1605
1606         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1607         3DNow from bdver1.
1608
1609 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1610             Uros Bizjak  <ubizjak@gmail.com>
1611
1612         PR target/52437
1613         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1614         alternatives, add "e" constraint to the new last alternative
1615         and ! to last 3 alternatives.
1616
1617 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1618
1619         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1620         DW_AT_artificial attributes at the end of the processing.
1621         (gen_array_type_die): Likewise.
1622         (gen_enumeration_type_die): Likewise.
1623         (gen_struct_or_union_type_die): Likewise.
1624         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1625         the parent type.
1626
1627 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1628
1629         PR middle-end/52419
1630         * expr.c (expand_assignment): If doing misaligned store that doesn't
1631         cover all mode bits, perform a RMW cycle.
1632
1633         PR tree-optimization/52429
1634         * tree-parloops.c (separate_decls_in_region_debug): Return early
1635         if var is LABEL_DECL.
1636
1637 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1638
1639         PR tree-optimization/52424
1640         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1641         calling dom_thread_across_edge.
1642
1643 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1644
1645         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1646
1647 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1648
1649         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1650         * config/avr/avr.c (avr_output_bld): Remove unused function.
1651         (avr_out_sbxx_branch): Use "%T" to print bit position.
1652
1653 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1654
1655         * config/avr/avr.md: Untabify.
1656
1657 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1658
1659         * config/avr/avr.md (eqne): New code iterator.
1660         (*dec-and-branchsi): Use it in text peephole's condition.
1661         (*dec-and-branchhi): Ditto.
1662         (*dec-and-branchqi): Ditto.
1663
1664 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1665
1666         PR target/49939
1667         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1668         the device does not have the skip-bug.
1669
1670 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1671
1672         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1673         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1674         -mpretend-cmove): New.
1675
1676 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1677
1678         PR bootstrap/52397
1679         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1680         doesn't count DEBUG_INSN refs.
1681         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1682         for DEBUG_INSN refs.
1683
1684 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1685
1686         Partially revert:
1687
1688         2012-02-20  Richard Guenther  <rguenther@suse.de>
1689         PR tree-optimization/52298
1690         * tree-vect-stmts.c (vectorizable_load): Properly use
1691         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1692         outer loops.
1693
1694 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1695
1696         PR middle-end/51752
1697         * gimple.h (gimple_in_transaction): New.
1698         (gimple_set_in_transaction): New.
1699         (struct gimple_statement_base): Add in_transaction field.
1700         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1701         transaction loads.
1702         (tree_ssa_lim_initialize): Compute transaction bits.
1703         * tree.h (compute_transaction_bits): Protoize.
1704         * trans-mem.c (tm_region_init): Use the heap to store BB
1705         auxilliary data.
1706         (compute_transaction_bits): New.
1707
1708 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1709
1710         * gcc.c (display_help): Document --help=common and sort entries
1711         alphabetically.
1712
1713 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1714
1715         * doc/install.texi: Document check-$LANG specific shortcuts
1716
1717 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1718
1719         PR target/51534
1720         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1721         and vcgtu.
1722         * config/arm/arm_neon.h: Regenerate.
1723         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1724         (neon_vcgeu): New insn.
1725         (neon_vcgtu): Likewise.
1726         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1727         (ops): Unsigned comparison intrinsics call a different
1728         builtin.
1729
1730 2012-02-28  Richard Guenther  <rguenther@suse.de>
1731
1732         PR target/52407
1733         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1734         ordering for the VEC_CONCAT for two element vectors for
1735         V2SFmode, V2SImode and V2DImode.
1736
1737 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1738
1739         PR target/49448
1740         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1741         detecting big-endian triplets.
1742
1743 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1744
1745         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1746         mode if there is no type information available.
1747
1748 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1749
1750         PR tree-optimization/53207
1751         * doc/invoke.texi: Document as experimental and relying on graphite.
1752
1753 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1754
1755         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1756         of initializer to changes from r184614.
1757
1758 2012-02-28  Richard Guenther  <rguenther@suse.de>
1759
1760         PR tree-optimization/52395
1761         * tree-sra.c (build_ref_for_offset): Also look at the base
1762         TYPE_ALIGN when figuring out the alignment of the replacement.
1763
1764 2012-02-28  Richard Guenther  <rguenther@suse.de>
1765
1766         PR tree-optimization/52402
1767         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1768         mis-aligned types when creating the accesses at the call site.
1769
1770 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1771
1772         * config/avr/builtins.def: New file.
1773         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1774         * config/avr/avr.c (enum avr_builtin_id): Use it.
1775         (avr_init_builtins): Use it. And use avr_bdesc.
1776         (bdesc_1arg): Remove.
1777         (bdesc_2arg): Remove.
1778         (bdesc_3arg): Remove.
1779         (struct avr_builtin_description): Add field n_args.
1780         (avr_bdesc): New static variable using builtins.def.
1781         (avr_expand_builtin): Use it.
1782         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1783         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1784         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1785
1786 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1787
1788         PR target/52148
1789         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1790         match only one single hard register with respective hard reg rtx.
1791         (movmemx_<mode>): Ditto.
1792         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1793         insn anatomy of movmem[x]_<mode>.
1794         (avr_out_movmem): Same for printing assembler and operand usage.
1795
1796 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1797
1798         PR target/49868
1799         PR target/52261
1800         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1801         address spaces located outside of device flash.
1802
1803         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1804         (mcu_type_s): Add field n_flash.
1805         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1806         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1807         (AVR_MCU): Add N_FLASH argument.
1808         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1809         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1810         macro __FLASH<n> if that address space makes sense for the device.
1811         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1812         outside of target flash.
1813         (avr_asm_named_section): Ditto.
1814         (avr_asm_select_section): Ditto.
1815         (avr_addr_space_convert): Ditto.
1816         (avr_emit_movmemhi): Ditto.
1817         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1818         address space is outside of device flash.
1819         (avr_insert_attributes): Ditto.
1820         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1821         avr_current_arch->n_segments.
1822
1823 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1824
1825         PR target/52352
1826         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1827         TARGET_LP64.
1828         (*movabs<mode>_2): Likewise.
1829
1830 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1831
1832         PR target/52375
1833         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1834         s_register_operand in the test instead of REG_P.  Don't call
1835         gen_reg_rtx if it won't be used.
1836
1837         PR tree-optimization/52376
1838         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1839
1840 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1841
1842         * ifcvt.c (noce_get_condition): Check condition variable is not
1843         small_register_classes_for_mode_p before accepting.
1844
1845 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1846
1847         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1848
1849 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1850
1851         Revert:
1852         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1853         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1854         tuning parameters.
1855         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1856
1857 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1858
1859         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1860
1861 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1862
1863         * config/sh/predicates.md: Remove blank lines.
1864         * config/sh/sh.c: Fix typos in comments.
1865         * config/sh/constraints.md: Likewise.
1866         * config/sh/sh.md: Remove blank lines.
1867         Fix typos in comments.  Use ;; as comment characters.
1868
1869 2012-02-26  Walter Lee  <walt@tilera.com>
1870
1871         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1872         (replace_mov_pcrel_step2): Ditto.
1873
1874 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1875
1876         PR debug/52001
1877         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1878         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1879         and locs that reference values newer than the non-canonical value
1880         at hand.  Return the canonical value as a worst case.
1881         (memrefs_conflict_p): Walk canonical value's locs.
1882
1883         PR debug/52001
1884         * cselib.c (preserve_only_constants): Rename to...
1885         (preserve_constants_and_equivs): ... this.  Split out...
1886         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1887         of other preserved expressions too.
1888         (cselib_reset_table): Adjust.
1889         * var-tracking.c (reverse_op): Use canonical value to build
1890         reverse operation.
1891
1892 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1893
1894         * config/i386/i386.c (ix86_delegitimize_address): Handle
1895         UNSPEC_PCREL plus displacement.
1896
1897 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1898
1899         PR target/52261
1900         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1901         to test for unusedness in st X addressing.
1902
1903 2012-02-24  Richard Guenther  <rguenther@suse.de>
1904
1905         PR middle-end/52361
1906         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1907         (is_gimple_reg_type): Move inline ...
1908         * gimple.h (is_gimple_reg_type): ... here.
1909
1910 2012-02-24  Richard Guenther  <rguenther@suse.de>
1911
1912         PR middle-end/52361
1913         * passes.c (execute_function_todo): When verifying SSA form
1914         verify gimple form first.
1915         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1916
1917 2012-02-24  Richard Guenther  <rguenther@suse.de>
1918
1919         PR middle-end/52355
1920         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1921         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1922
1923 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1924
1925         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1926
1927 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1928
1929         * tree-phinodes.c (make_phi_node): Mark static.
1930         * tree-flow.h (make_phi_node): Remove extern decl.
1931         * doc/gimple.texi (make_phi_node): Remove documentation.
1932
1933 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1934
1935         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1936         * tree-ssa-sccvn.c (print_scc): Ditto.
1937
1938 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1939
1940         * doc/passes.texi (Full redundancy elimination): Fix typo.
1941
1942 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1943
1944         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1945
1946 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1947
1948         PR bootstrap/52287
1949         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1950
1951 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1952
1953         PR c/52290
1954         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1955
1956 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1957
1958         * config/avr/avr.md (code_stdname): Add ior, xor.
1959         (xior): New code iterator.
1960         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1961         (*<code_stdname><mode>qi.byte1-3): Ditto.
1962
1963 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1964
1965         PR tree-optimization/52019
1966         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1967         CLOBBER stmts.
1968
1969 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1970
1971         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1972         HAVE_INITFINI_ARRAY to work around namespace pollution in
1973         certain versions of newlib system headers.
1974         * config.in: Regenerate.
1975         * configure: Regenerate.
1976         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1977         instead of HAVE_INITFINI_ARRAY.
1978
1979 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1980
1981         PR target/52330
1982         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1983         is not offsettable memory reference.
1984
1985 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1986
1987         PR target/18145
1988         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1989         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1990
1991 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1992
1993         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1994         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1995
1996 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1997
1998         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1999         library on Solaris 8 even without TLS support.
2000         * configure: Regenerate.
2001
2002 2012-02-22  Richard Guenther  <rguenther@suse.de>
2003
2004         PR middle-end/52329
2005         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2006         for GIMPLE_DEBUG stmts.
2007
2008 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2009
2010         PR middle-end/51782
2011         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2012         according to the base object.
2013
2014 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2015
2016         PR rtl-optimization/50063
2017         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2018         and 2 (8-bit SP) in operand 2.
2019         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2020         setup to use movhi_sp_r instead of vanilla move to write SP.
2021         Adjust REG_CFA notes to superseed unspec.
2022         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2023         of vanilla move.
2024         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2025         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2026         irq_state 1 (IRQ known to be on) here.
2027
2028 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2029
2030         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2031         WORDS_BIG_ENDIAN.
2032         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2033         assign_hard_reg): Likewise.
2034
2035 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2036
2037         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2038
2039 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2040
2041         * config/avr/avr.md
2042         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2043         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2044
2045 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2046
2047         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2048         prototype from here to...
2049         * config/avr/avr.h: ...here.
2050
2051 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2052
2053         PR target/52294
2054         * thumb2.md (thumb2_shiftsi3_short): Split register and
2055         immediate shifts.  For register shifts tie operands 0 and 1.
2056         (peephole2 for above): Check that register-controlled shifts
2057         have suitably tied operands.
2058
2059 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2060
2061         PR target/52137
2062         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2063         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2064         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2065         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2066         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2067         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2068         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2069         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2070         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2071         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2072         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2073         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2074         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2075         bdver1_ssevector_avx256_unaligned_load,
2076         bdver1_ssevector_sse128_unaligned_load,
2077         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2078         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2079         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2080         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2081         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2082         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2083         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2084         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2085         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2086         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2087         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2088         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2089         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2090         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2091         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2092         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2093         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2094         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2095         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2096         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2097         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2098         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2099         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2100         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2101         bdver1_ssediv_double_load, bdver1_ssediv_double,
2102         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2103         Add "bdver2" attribute.
2104
2105 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2106
2107         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2108         default if possible and not specified otherwise.
2109
2110 2012-02-21  Richard Guenther  <rguenther@suse.de>
2111
2112         PR middle-end/52314
2113         * gimplify.c (create_tmp_from_val): Use the main variant type
2114         for the type of the temporary we create.
2115
2116 2012-02-21  Richard Guenther  <rguenther@suse.de>
2117
2118         PR tree-optimization/52324
2119         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2120         do not gimplify a MEM_REF address operand if it is already
2121         in suitable form.
2122
2123 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2124
2125         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2126         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2127
2128 2012-02-21  Richard Guenther  <rguenther@suse.de>
2129
2130         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2131         nested_in_vect_loop.
2132
2133 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2134
2135         PR tree-optimization/52318
2136         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2137         vdef also to non-pure/const call stmts in the sequence.
2138
2139 2012-02-20  David S. Miller  <davem@davemloft.net>
2140
2141         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2142         don't use the "rd %pc" instruction on v9 for PIC register loads.
2143
2144 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2145
2146         PR middle-end/52141
2147         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2148         in a transaction safe function.
2149
2150 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2151
2152         PR target/52238
2153         * stor-layout.c (place_field): Handle desired_align for
2154         ms-bitfields, too.
2155
2156 2012-02-20  Richard Guenther  <rguenther@suse.de>
2157
2158         PR tree-optimization/52298
2159         * tree-vect-stmts.c (vectorizable_store): Properly use
2160         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2161         outer loops.
2162         (vectorizable_load): Likewise.
2163         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2164         Access DR_STEP after ensuring it is not NULL.
2165
2166 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR tree-optimization/52286
2169         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2170         optimization use double_int_to_tree instead of build_int_cst_wide,
2171         rewrite to use double_int vars.
2172
2173 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2174
2175         PR target/50166
2176         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2177         Define _start.
2178         Remove -e 0 from $gcc_cv_ld invocation.
2179         Only use __GLIBC_PREREQ if defined.
2180         Enable on Solaris since Solaris 8 patch.
2181         (gcc_SUN_LD_VERSION): New macro.
2182         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2183         gcc_SUN_LD_VERSION for version number format.
2184         * configure: Regenerate.
2185         * varasm.c (get_elf_initfini_array_priority_section): Set
2186         SECTION_NOTYPE for non-default priority.
2187         Use get_section instead of get_unnamed_section to emit
2188         .init_array/.fini_array with default priority.
2189
2190 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2191
2192         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2193         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2194         (mips_start_unique_function, mips_output_mips16_rdhwr)
2195         (mips_code_end): New functions.
2196         (TARGET_ASM_CODE_END): Define.
2197
2198 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2199
2200         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2201         to stubs with non-sibling calls.
2202
2203 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2204
2205         * doc/invoke.texi (-fira-* options): Copy-edit.
2206         (ira-* parameters): Copy-edit.
2207
2208 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2209
2210         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2211         GCC coding conventions.
2212
2213 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2214
2215         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2216         when used as adjectives.
2217
2218 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2219
2220         * doc/invoke.texi: Clean up "that"/"which" confusion.
2221
2222 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2223
2224         * system.h: Poison SMALL_REGISTER_CLASSES
2225         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2226         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2227
2228 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2229
2230         PR tree-optimization/52285
2231         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2232         when deciding if a call is a tail call or tail recursion.
2233
2234 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2235
2236         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2237         interger-constant displacement for UNSPEC_PCREL.
2238
2239 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2240
2241         PR rtl-optimization/52208
2242         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2243         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2244
2245         PR tree-optimization/52255
2246         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2247         loop->header has virtual PHI, but exit_e->dest doesn't, add
2248         virtual PHI to exit_e->dest and adjust all uses after the loop.
2249
2250         PR debug/52260
2251         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2252         children with clone_tree_hash, not after it.
2253
2254 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2255
2256         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2257         extended identifiers.
2258
2259 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR middle-end/51929
2262         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2263         a same_body_alias, also test whether e->callee isn't a former
2264         or current clone of the decl this is a same body alias of.
2265
2266         PR translation/52264
2267         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2268
2269 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2270
2271         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2272
2273 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2274
2275         PR target/52199
2276         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2277         force_reg instead of copy_to_reg for better optimization.  Force
2278         non-register or memory operands into a register.
2279
2280 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2281
2282         * extend.texi: Reserve upper bits of memory model for future use.
2283
2284 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2285             Anatoly Sokolov <aesok@post.ru>
2286             Eric Weddington <eric.weddington@atmel.com>
2287
2288         PR target/52261
2289         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2290         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2291         Rewrite initializers for .macro.
2292         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2293         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2294         atxmega32d4, atxmega32x1.
2295         avrxmega4: atxmega64a3, atxmega64d3.
2296         avrxmega5: atxmega64a1, atxmega64a1u.
2297         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2298         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2299         avrxmega7: atxmega128a1, atxmega128a1u.
2300         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2301         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2302         (struct base_arch_s): Rename reserved to xmega_p.
2303         Rename reserved2 to have_rampd.
2304         (AVR_XMEGA): New define.
2305         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2306         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2307         * config/avr/predicates.md (io_address_operand): Take into
2308         account SFR offset.
2309         (low_io_address_operand): Ditto.
2310         (high_io_address_operand): Ditto.
2311         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2312         (enabled, movhi_sp_r): Use them.
2313         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2314         cpp_define_formatted to built-in define __AVR_ARCH__.
2315         (__AVR_XMEGA__): New built-in define.
2316         (__AVR_HAVE_RAMPD__): New built-in define.
2317         (__AVR_HAVE_RAMPX__): New built-in define.
2318         (__AVR_HAVE_RAMPY__): New built-in define.
2319         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2320
2321         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2322         (avr_option_override): Initialize them.
2323         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2324         (avr_init_expanders): Initialize them. No more block several calls.
2325         (emit_push_sfr): New static function.
2326         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2327         Handle AVR_XMEGA.
2328         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2329         (avr_print_operand): Print addreeses as symbols for
2330         RAMPX, RAMPY, RAMPD, CCP.
2331         (output_movhi): Handle AVR_XMEGA when writing to SP.
2332         (avr_out_movhi_mr_r_xmega): New static function.
2333         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2334         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2335         __RAMPD__,  __CCP__ as needed.
2336
2337         * config/avr/multilib.h: Regenerate.
2338         * config/avr/t-multilib: Regenerate.
2339         * config/avr/avr-tables.opt: Regenerate.
2340
2341 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2342
2343         PR tree-optimization/50561
2344         * graphite-flattening.c (lst_project_loop): Do not
2345         remove old scattering dimensions after flattening.
2346         (lst_do_flatten): Likewise.
2347
2348 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2349
2350         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2351         __builtin_avr_map8, __builtin_avr_map16.
2352         Document __builtin_avr_insert_bits.
2353
2354         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2355         (insert_bits): New insn.
2356         (adjust_len.map_bits): Rename to insert_bits.
2357         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2358         * avr-protos.h (avr_out_map_bits): Remove.
2359         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2360         * config/avr/constraints.md (Cxf,C0f): New.
2361         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2362         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2363         New built-in define __BUILTIN_AVR_INSERT_BITS.
2364         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2365         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2366         (avr_move_bits): Rewrite.
2367         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2368         functions.
2369         (avr_map_op_t): New typedef.
2370         (avr_map_op): New static variable.
2371         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2372         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2373         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2374         (bdesc_3arg, avr_expand_triop_builtin): New.
2375         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2376         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2377         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2378         (avr_map_equal_p, avr_map_sig_p): Remove.
2379         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2380         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2381         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2382         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2383         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2384         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2385
2386 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2387
2388         * config/c6x/c6x.md (reserve_cycles): New attribute.
2389         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2390         don't reserve functional units after the branch occurs.
2391
2392 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2393
2394         PR middle-end/52142
2395         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2396         functions into non-tm_pure functions.
2397
2398 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2399
2400         PR lto/52178
2401         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2402         (iterative_hash_canonical_type): Likewise.
2403         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2404         the dead edges.
2405
2406 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2407
2408         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2409         sched-group insn, it either remains alone or the entire list is pruned.
2410
2411 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2412
2413         * doc/install.texi (Prerequisites): Fix grammar.
2414         (Configuration): Likewise.
2415
2416 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2417
2418         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2419         MPC as part of GCC before describing configuring with --with-gmp etc.
2420         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2421         sources are present.
2422
2423 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2424
2425         PR debug/51950
2426         * dwarf2out.c (clone_tree_hash): New function.
2427         (copy_decls_walk): Use it instead of clone_tree.
2428
2429 2012-02-14  Richard Guenther  <rguenther@suse.de>
2430
2431         PR tree-optimization/52244
2432         PR tree-optimization/51528
2433         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2434         replacements for integral types.
2435
2436 2012-02-14  Walter Lee  <walt@tilera.com>
2437
2438         * config.gcc: Handle tilegx and tilepro.
2439         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2440         tilegx and tilepro.
2441         Add HAVE_AS_TLS check for tilegx and tilepro.
2442         * configure: Regenerate.
2443         * doc/contrib.texi: Add Mat Hostetter and self.
2444         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2445         Document instruction intrinsics and network accessing intrinsics.
2446         (TILEPro Built-in Functions): New node.  Document instruction
2447         intrinsics and network accessing intrinsics.
2448         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2449         (Specific, tilepro-*-linux*): Likewise.
2450         * doc/invoke.texi (TILE-Gx Options): New section.
2451         (TILEPro Options): New section.
2452         * doc/md.texi (TILE-Gx): New section.
2453         (TILEPro): New section.
2454         * common/config/tilegx/tilegx-common.c: New file.
2455         * common/config/tilepro/tilepro-common.c: New file.
2456         * config/tilegx/constraints.md: New file.
2457         * config/tilegx/linux.h: New file.
2458         * config/tilegx/mul-tables.c: New file.
2459         * config/tilegx/predicates.md: New file.
2460         * config/tilegx/sync.md: New file.
2461         * config/tilegx/t-tilegx: New file.
2462         * config/tilegx/tilegx-builtins.h: New file.
2463         * config/tilegx/tilegx-c.c: New file.
2464         * config/tilegx/tilegx-generic.md: New file.
2465         * config/tilegx/tilegx-modes.def: New file.
2466         * config/tilegx/tilegx-multiply.h: New file.
2467         * config/tilegx/tilegx-protos.h: New file.
2468         * config/tilegx/tilegx.c: New file.
2469         * config/tilegx/tilegx.h: New file.
2470         * config/tilegx/tilegx.md: New file.
2471         * config/tilegx/tilegx.opt: New file.
2472         * config/tilepro/constraints.md: New file.
2473         * config/tilepro/gen-mul-tables.cc: New file.
2474         * config/tilepro/linux.h: New file.
2475         * config/tilepro/mul-tables.c: New file.
2476         * config/tilepro/predicates.md: New file.
2477         * config/tilepro/t-tilepro: New file.
2478         * config/tilepro/tilepro-builtins.h: New file.
2479         * config/tilepro/tilepro-c.c: New file.
2480         * config/tilepro/tilepro-generic.md: New file.
2481         * config/tilepro/tilepro-modes.def: New file.
2482         * config/tilepro/tilepro-multiply.h: New file.
2483         * config/tilepro/tilepro-protos.h: New file.
2484         * config/tilepro/tilepro.c: New file.
2485         * config/tilepro/tilepro.h: New file.
2486         * config/tilepro/tilepro.md: New file.
2487         * config/tilepro/tilepro.opt: New file.
2488
2489 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2490
2491         PR tree-optimization/52210
2492         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2493         vect_model_simple_cost with two entry vect_def_type array instead
2494         of an address of dt.
2495
2496 2012-02-14  Richard Guenther  <rguenther@suse.de>
2497
2498         PR lto/52178
2499         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2500         Do not stream DECL_QUALIFIER.
2501         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2502         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2503         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2504
2505 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2506
2507         PR c/52181
2508         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2509         newdecl.
2510
2511 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2512
2513         PR bootstrap/52172
2514         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2515         * cselib.c (cselib_subst_to_values_from_insn): New function.
2516         * sched-deps.c (add_insn_mem_dependence,
2517         sched_analyze_1, sched_analyze_2): Use it.
2518
2519 2012-02-13  Jan Hubicka  <jh@suse.cz>
2520
2521         PR middle-end/52214
2522         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2523
2524 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2525
2526         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2527         (GTM_SELF_SPECS): Define if not already defined.
2528         (driver_self_specs): Add GTM_SELF_SPECS.
2529         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2530         (GTM_SELF_SPECS): Define.
2531         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2532         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2533
2534 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2535
2536         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2537         away if seen.
2538
2539         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2540
2541         PR middle-end/52230
2542         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2543         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2544
2545 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2546
2547         PR c/52190
2548         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2549
2550 2012-02-13  Richard Guenther  <rguenther@suse.de>
2551
2552         PR translation/52211
2553         * passes.c (enable_disable_pass): Fix typo.
2554
2555 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2556
2557         PR middle-end/52209
2558         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2559         XOR for reduce_bit_field if type is unsigned.
2560
2561 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2562
2563         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2564         disallow changes from SFmode to mode with different size in FP regs.
2565
2566 2012-02-12  Robert Millan  <rmh@gnu.org>
2567             Gerald Pfeifer <gerald@pfeifer.com>
2568
2569         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2570         Tweak comment.
2571
2572 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2573
2574         PR rtl-optimization/52175
2575         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2576         to frame-related instructions.
2577
2578 2012-02-10  Jason Merrill  <jason@redhat.com>
2579
2580         PR c++/51910
2581         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2582         (demangle_new_symbols): Fill it.
2583         (scan_linker_output): Walk it.
2584         (start_tweaking): Split out from scan_linker_output.
2585         (maybe_tweak): Update sym->chosen.
2586         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2587
2588 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2589
2590         PR debug/52132
2591         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2592
2593 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2594
2595         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2596         having the same mode as previous compare.
2597
2598 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2599
2600         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2601         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2602         (nonlocal_goto_internal): Likewise.
2603         (nonlocal_goto): Emit a use and an indirect jump directly.
2604
2605 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2606
2607         PR c/52190
2608         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2609         __atomic_{is,always}_lock_free.
2610
2611 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2612
2613         PR target/52146
2614         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2615         negative constant address for x32.
2616
2617 2012-02-10  Richard Henderson  <rth@redhat.com>
2618
2619         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2620         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2621         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2622
2623 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2624             Ira Rosen  <irar@il.ibm.com>
2625
2626         PR tree-optimization/50031
2627         * targhooks.c (default_builtin_vectorization_cost): Handle
2628         vec_promote_demote.
2629         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2630         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2631         all types of reduction and pattern statements.
2632         (vect_estimate_min_profitable_iters): Likewise.
2633         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2634         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2635         for explicit realigns.
2636         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2637         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2638         vec_promote_demote.
2639         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2640         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2641         vec_perm for VSX and handle vec_promote_demote.
2642
2643 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2644
2645         PR middle-end/52177
2646         * builtins.c (fold_builtin_atomic_always_lock_free,
2647         expand_builtin_atomic_always_lock_free,
2648         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2649         Return and/or test boolean_true_node/boolean_false_node instead of
2650         integer_one_node/integer_zero_node.
2651
2652 2012-02-10  Jan Hubicka  <jh@suse.cz>
2653
2654         PR middle-end/48600
2655         * predict.c (predict_paths_for_bb): Prevent looping.
2656         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2657
2658 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2659
2660         * config/arm/arm.c (output_move_double): In one case properly
2661         count number of instructions that will be emitted.
2662
2663 2012-02-10  Richard Guenther  <rguenther@suse.de>
2664
2665         PR translation/52193
2666         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2667
2668 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2669
2670         PR middle-end/52140
2671         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2672
2673 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2674
2675         PR debug/52165
2676         * var-tracking.c (emit_note_insn_var_location): If
2677         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2678         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2679         non-NOTE_DURING_CALL_P insn.
2680
2681 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2682
2683         PR middle-end/51867
2684         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2685
2686 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2687
2688         PR driver/48524
2689         * gcc.c (switch_matches) Support switches with separated form,
2690         -D and -U.
2691
2692 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2693
2694         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2695         (SP_ADDR): Ditto.
2696         (RAMPZ_ADDR): Ditto.
2697         * config/avr/avr.c (avr_addr_t): New typedef.
2698         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2699         (avr_init_expanders): Initialize it.
2700         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2701         SREG_ADDR.
2702         (expand_epilogue): Ditto.
2703         (avr_print_operand): Ditto.
2704         (avr_file_start): Ditto.
2705         (avr_emit_movmemhi): Ditto.
2706
2707 2012-02-08  Richard Guenther  <rguenther@suse.de>
2708
2709         PR tree-optimization/46886
2710         * tree-flow.h (do_while_loop_p): Declare.
2711         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2712         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2713
2714 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2715
2716         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2717         always succeed for integers larger than a native word.
2718
2719 2012-02-08  Richard Guenther  <rguenther@suse.de>
2720
2721         PR rtl-optimization/52170
2722         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2723         properly handle integer vector modes.
2724
2725 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR gcov-profile/52150
2728         * coverage.c: Include target.h.
2729         (build_var): Call targetm.strip_name_encoding on the assembler name.
2730         Change one _ into . or $ if the target allows it.
2731         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2732
2733         PR rtl-optimization/52139
2734         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2735         is a BARRIER after emit_insn_after_noloc, move BB_END
2736         to the last non-BARRIER insn before it.
2737
2738 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2739
2740         PR middle-end/24306
2741         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2742         (mips_gimplify_va_arg_expr): Call it instead of
2743         std_gimplify_va_arg_expr.
2744
2745 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2746
2747         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2748         message for -mno-pointers-to-nested-function.
2749
2750 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2751
2752         PR middle-end/51994
2753         * expr.c (get_inner_reference): If there is an offset, add a negative
2754         bit position to it (if any).
2755
2756 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2757
2758         PR rtl-optimization/52060
2759         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2760         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2761         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2762         and/or i0src_copy2 when needed.
2763
2764 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2765
2766         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2767         or LTOPLUGINSONAME if have_c.
2768
2769         * config/freebsd-spec.h: Add comment about what macros can be defined
2770         in this header.
2771         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2772         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2773         here instead.
2774
2775 2012-02-07  Richard Guenther  <rguenther@suse.de>
2776
2777         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2778         newline in -alias dumps.
2779
2780 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2781             Dave Korn  <dave.korn.cygwin@gmail.com>
2782
2783         PR target/40068
2784         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2785         Take care that typinfo gets dllexport-attribute.
2786
2787 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2788
2789         PR middle-end/52074
2790         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2791         if modifier < EXPAND_SUM call force_operand on the result.
2792
2793 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2794
2795         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2796         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2797         present.
2798         (epiphany_function_type): Replace types for specific interrupts with
2799         EPIPHANY_FUNCTION_INTERRUPT.
2800         (EPIPHANY_INTERRUPT_P): Update.
2801         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2802         New static function.
2803         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2804         <disinterrupt>: Affects type identity.
2805         (epiphany_handle_interrupt_attribute): Handle variable number of
2806         arguments.
2807         (epiphany_compute_function_type): Update for new
2808         epiphany_function_type definition.
2809         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2810         handlers with a longcall forwarder.
2811         (epiphany_start_function): Handle multiple interrupt arguments and/or
2812         forwarder_section attribute.
2813
2814         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2815         libgloss.
2816
2817 2012-02-07  Alan Modra  <amodra@gmail.com>
2818
2819         PR target/52107
2820         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2821         subregs of TFmode.
2822
2823 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2824
2825         PR tree-optimization/50969
2826         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2827         use vec_perm rather than vector_stmt.
2828         (vect_model_load_cost): Likewise.
2829         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2830         vec_perm to be the same as other vector statements.
2831         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2832         cost of vec_perm for TARGET_VSX.
2833
2834 2012-02-06  Richard Guenther  <rguenther@suse.de>
2835
2836         PR tree-optimization/52115
2837         * tree-sra.c (access_has_replacements_p): New function.
2838         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2839
2840 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2841
2842         PR middle-end/52047
2843         * trans-mem.c (expand_call_tm): Add an assertion.
2844         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2845         functions.
2846
2847 2012-02-06  Richard Guenther  <rguenther@suse.de>
2848
2849         PR tree-optimization/50955
2850         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2851         raise cost of expressions that replace an address with an
2852         expression based on a different pointer.
2853
2854 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2855
2856         PR target/52129
2857         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2858         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2859
2860 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2861
2862         PR c++/48680
2863         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2864         -Weffc++ and specify guidelines come from second edition.
2865
2866 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2867
2868         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2869         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2870         (call_direct_split, call_value_split, call_value_internal_direct)
2871         (call_value_direct_split, call_value_multiple_split): Use jal and
2872         jal_macro attributes.
2873
2874 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2875
2876         * reload1.c (reload_regs_reach_end_p): Replace with...
2877         (reload_reg_rtx_reaches_end_p): ...this function.
2878         (new_spill_reg_store): Update commentary.
2879         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2880         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2881         before setting new_spill_reg_store.
2882         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2883         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2884         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2885         for non-spill reload registers.
2886
2887 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2888
2889         PR tree-optimization/52091
2890         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2891         (vect_is_simple_use_1): Likewise.
2892         * tree-vect-loop.c (vectorizable_reduction): Update calls
2893         to vect_is_simple_use_1 and vect_is_simple_use.
2894         (vectorizable_live_operation): Likewise.
2895         * tree-vect-patterns.c (widened_name_p,
2896         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2897         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2898         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2899         vectorizable_shift,vectorizable_operation, vectorizable_store,
2900         vectorizable_load): Likewise.
2901         (vect_is_simple_cond): Add an argument, pass it to
2902         vect_is_simple_use_1.
2903         (vectorizable_condition): Update calls to vect_is_simple_cond,
2904         vect_is_simple_use.
2905         (vect_is_simple_use): Add an argument, the statement in which
2906         OPERAND is used.  Check that if OPERAND's def stmt is a double
2907         reduction phi node, the use is a phi node too.
2908         (vect_is_simple_use_1): Add an argument, pass it to
2909         vect_is_simple_use.
2910         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2911         to vect_is_simple_use.
2912
2913 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2914
2915         PR rtl-optimization/52095
2916         * modulo-sched.c (dump_insn_locator): New function.
2917         (loop_canon_p, sms_schedule): Use it.
2918
2919         PR rtl-optimization/52113
2920         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2921         even for decomposable shift/zext insns.
2922
2923 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2924             Zdenek Dvorak  <ook@ucw.cz>
2925
2926         PR rtl-optimization/52092
2927         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2928         on get_iv_value result.
2929
2930 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2931
2932         PR middle-end/47982
2933         PR middle-end/43967
2934         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2935
2936 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2937
2938         PR middle-end/48071
2939         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2940
2941 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2942
2943         PR rtl-optimization/49800
2944         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2945         (sched_finish): Call regstat_free_n_sets_and_refs.
2946
2947 2012-02-02  Jia Liu  <proljc@gmail.com>
2948
2949         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2950         than operand 2.
2951
2952 2012-02-02  Jan Hubicka  <jh@suse.cz>
2953             Tom de Vries  <tom@codesourcery.com>
2954
2955         PR middle-end/51998
2956         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2957         * varpool.c (varpool_analyze_pending_decls): Likewise.
2958
2959 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2960             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2961
2962         * config.gcc: Add cr16-* support.
2963
2964         * doc/extend.texi: Document cr16 extensions.
2965         * doc/install.texi: Document cr16 install.
2966         * doc/invoke.texi: Document cr16 options.
2967         * doc/md.texi: Document cr16 constraints.
2968
2969         * common/config/cr16/cr16-common.c: New file.
2970         * config/cr16/cr16.c: New file.
2971         * config/cr16/cr16.h: New file.
2972         * config/cr16/cr16.md: New file.
2973         * config/cr16/cr16.opt: New file.
2974         * config/cr16/cr16-protos.h: New file.
2975         * config/cr16/predicates.md: New file.
2976         * config/cr16/constraints.md: New file.
2977         * config/cr16/t-cr16: New file.
2978
2979 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2980
2981         PR target/52086
2982         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2983         that operands[2] is either immediate, or q_regs_operand.
2984
2985         PR tree-optimization/52073
2986         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2987         a pattern stmt for pattern uses, ignore uses outside of the loop.
2988
2989 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2990
2991         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2992         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2993         (OUT_AS1, OUT_AS2): Remove.
2994
2995 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2996
2997         PR rtl-optimization/51374
2998         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2999         to cross other volatile_refs_p insns.
3000
3001 2012-02-01  Richard Guenther  <rguenther@suse.de>
3002
3003         * doc/invoke.texi (fno-inline): Clarify documentation.
3004         (finline-small-functions): Likewise.
3005         (finline-functions): Likewise.
3006         * common.opt (finline): Adjust comment and documentation.
3007         (finline-small-functions): Clarify documentation.
3008         (finline-functions): Likewise.
3009         (finline-functions-called-once): Likewise.
3010
3011 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3012
3013         * c-typeck.c (composite_type): Keep mode for pointers.
3014
3015 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3016
3017         * function.h (regno_reg_rtx): Adjust comment.
3018         * reginfo.c (init_reg_modes_target): Only use the previous mode
3019         if it fits within one register.  Remove MIPS comment.
3020
3021 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3022
3023         PR bootstrap/52058
3024         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3025
3026 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3027
3028         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3029         to srak instruction.
3030
3031 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3032
3033         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3034
3035 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR bootstrap/52041
3038         PR bootstrap/52039
3039         PR target/51974
3040         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3041
3042 2012-01-31  Richard Guenther  <rguenther@suse.de>
3043
3044         PR tree-optimization/51528
3045         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3046         assigns.
3047
3048 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3049
3050         PR bootstrap/52041
3051         PR bootstrap/52039
3052         PR target/51974
3053         * ree.c (add_removable_extension): Change def_map argument
3054         to unsigned *, store in def_map 1 + offset into *insn_list vector
3055         instead of pointers into the vector.
3056         (find_removable_extensions): Adjust caller.
3057
3058 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3059
3060         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3061         Transform all "* quoted-c-code" to { c-code }.
3062         Remove redundant test for "optimize" in combine patterns.
3063         Move (include "avr-dimode.md") to end of file.
3064
3065 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3066
3067         PR target/51835
3068         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3069         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3070
3071 2012-01-30  Richard Guenther  <rguenther@suse.de>
3072
3073         PR tree-optimization/52028
3074         * tree-loop-distribution.c (ldist_gen): Properly update
3075         virtual SSA form.
3076
3077 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR debug/52027
3080         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3081         set_cur_line_info_table if not emitting debug info.
3082
3083         PR tree-optimization/52046
3084         * tree-vect-patterns.c (check_bool_pattern): Give up if
3085         a comparison could throw.
3086
3087         PR debug/52048
3088         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3089
3090 2012-01-30  Richard Guenther  <rguenther@suse.de>
3091
3092         PR tree-optimization/52045
3093         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3094         SSA form if cfgcleanup did anything.
3095
3096 2012-01-30  Richard Guenther  <rguenther@suse.de>
3097
3098         PR tree-optimization/52045
3099         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3100         before computing final todo.
3101
3102 2012-01-30  Richard Guenther  <rguenther@suse.de>
3103
3104         PR tree-optimization/51528
3105         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3106         for PR51528 fix.
3107
3108 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3109
3110         * df-problems.c (df_kill_notes): Check that the use refers
3111         to the note under examination.
3112
3113 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3114
3115         PR target/51920
3116         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3117         parameter and use short-lived pseudos.
3118         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3119         (sparc_expand_vector_init): Const-ify local variables and adjust
3120         calls to above functions.
3121
3122 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3123
3124         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3125
3126 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3127
3128         * doc/invoke.texi: Make usage of "compile time" and
3129         "run time"/"runtime" consistent throughout the file.
3130
3131 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3132
3133         * config/alpha/alpha.c (alpha_option_override): Default to
3134         full IEEE compliance mode for Go language.
3135
3136 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3137
3138         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3139         (LINK_SSP_SPEC): Define.
3140
3141 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3142
3143         PR target/51871
3144         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3145         stubs.
3146
3147 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3148
3149         * doc/invoke.texi: Correct hyphenation of "floating point",
3150         "double precision", and related terminology throughout the file.
3151
3152 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR target/52006
3155         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3156         arm_general_register_operand predicate for operand 2 instead of
3157         register_operand.
3158
3159 2012-01-27  Ian Lance Taylor  <iant@google.com>
3160
3161         PR go/47656
3162         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3163         * builtins.c (expand_builtin_init_trampoline): Add onstack
3164         parameter.  Change caller.
3165         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3166         * tree.c (build_common_builtin_nodes): Declare
3167         __builtin_init_heap_trampoline.
3168
3169 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3170
3171         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3172         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3173         * config/avr/avr.c: Ditto.
3174         (avr_regnames): Remove because unused.
3175         * config/avr/avr.md (*cpse.ne): New peephole.
3176         (*cpse.eq): New peephole from former cpse peepholes.
3177
3178 2012-01-27  Michael Eager  <eager@eagercon.com>
3179
3180         * config/microblaze.c (microblaze_emit_compare): Correct
3181         test after pcmp instruction.
3182
3183 2012-01-27  Richard Guenther  <rguenther@suse.de>
3184
3185         PR tree-optimization/52020
3186         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3187
3188 2012-01-27  Richard Guenther  <rguenther@suse.de>
3189
3190         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3191         function non-const/pure.
3192
3193 2012-01-27  Richard Guenther  <rguenther@suse.de>
3194
3195         PR tree-optimization/50444
3196         * tree-sra.c (build_ref_for_offset): Properly adjust the
3197         MEM_REF type for unaligned accesses.
3198
3199 2012-01-27  Richard Guenther  <rguenther@suse.de>
3200
3201         PR tree-optimization/50444
3202         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3203         (expand_assignment): Use it.  Properly handle misaligned
3204         bases when expanding stores to component references.
3205         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3206         refactor that case.
3207
3208 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3209
3210         PR middle-end/51389
3211         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3212         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3213         * tree-data-ref.c (find_data_references_in_loop): Make static.
3214         (compute_all_dependences): Change return type to bool.  Bail out
3215         for too many datarefs in a loop.  Move the hunk resetting the data
3216         dependences vector from ...
3217         (compute_data_dependences_for_loop): ... here.  Account for
3218         compute_all_dependences returning false.
3219         (compute_data_dependences_for_bb): Likewise.
3220         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3221         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3222
3223 2012-01-27  Richard Guenther  <rguenther@suse.de>
3224
3225         PR middle-end/51959
3226         * expr.c (store_field): Use the alias-set of the scratch memory
3227         for storing to it.
3228
3229 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3230
3231         PR tree-optimization/51990
3232         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3233         WITH_SIZE_EXPR.
3234         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3235
3236 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3237
3238         PR debug/52001
3239         * var-tracking.c (reverse_op): Don't add any reverse operation
3240         if V already has any constant locations.
3241
3242 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3243
3244         * doc/invoke.texi: Correct usage of "command line" (noun)
3245         vs "command-line" (adjective) throughout.
3246
3247 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3248
3249         * doc/invoke.texi (Language Independent Options): Move
3250         -Wcoverage-mismatch blurb from here....
3251         (Warning Options): ...to here.
3252
3253 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3254
3255         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3256         Set rs6000_always_hint to false for 476.
3257
3258 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3259
3260         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3261           system root.
3262         * incpath.c (add_standard_paths): Likewise.
3263
3264 2012-01-27  Richard Henderson  <rth@redhat.com>
3265
3266         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3267         * config/m68k/sync.md (atomic_test_and_set): Rename from
3268         sync_test_and_setqi and adjust the operands.
3269         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3270         and unconditionally enable.
3271
3272 2012-01-27  Richard Henderson  <rth@redhat.com>
3273
3274         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3275         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3276         (ldstub): Rename from ldstubqi.
3277         (ldstub<I24MODE>): Remove.
3278
3279 2012-01-27  Richard Henderson  <rth@redhat.com>
3280
3281         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3282         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3283         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3284         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3285         * doc/tm.texi: Rebuild.
3286
3287 2012-01-27  Richard Henderson  <rth@redhat.com>
3288
3289         * optabs.c (gen_atomic_test_and_set): Remove default.
3290         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3291
3292 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3293
3294         PR rtl-optimization/51978
3295         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3296         (combine_reaching_defs): Likewise.
3297         (struct re_info): Remove.
3298         (add_removable_extension): Remove x and data arguments,
3299         add insn, insn_list and def_map.  Use the arguments directly
3300         instead of using struct re_info.
3301         (find_removable_extensions): Don't call add_removable_extension
3302         through note_stores, instead just call it with single_set
3303         result if non-NULL.
3304         (find_and_remove_re): Pass curr_cand->expr instead of
3305         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3306
3307 2012-01-26  Michael Matz  <matz@suse.de>
3308
3309         PR tree-optimization/46590
3310         * cfgexpand.c: Revert last change (r183305).
3311         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3312         regs.
3313         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3314         checking for emptiness.
3315
3316 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR middle-end/51895
3319         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3320         non-addressable non-BLKmode base correctly.
3321
3322 2012-01-26  Michael Matz  <matz@suse.de>
3323
3324         PR tree-optimization/48794
3325         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3326         regions referenced from RESX/EH_DISPATCH.
3327
3328 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3329
3330         * config/s390/s390.h: Make BRANCH_COST an option.
3331         * config/s390/s390.opt: New option -mbranch-cost.
3332
3333 2012-01-26  Richard Henderson  <rth@redhat.com>
3334
3335         Revert 2012-01-24 change:
3336         * trans-mem.c (requires_barrier): Do not instrument thread local
3337         variables and emit save/restore for them.
3338
3339 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3340
3341         PR middle-end/51986
3342         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3343         for pat == 0.
3344
3345 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3346
3347         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3348         ASM_OPERANDS.
3349
3350 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3351
3352         PR target/49868
3353         Rename __pgm to __flash.
3354         Rename __pgm1 to __flash1.
3355         Rename __pgm2 to __flash2.
3356         Rename __pgm3 to __flash3.
3357         Rename __pgm4 to __flash4.
3358         Rename __pgm5 to __flash5.
3359         Rename __pgmx to __memx.
3360         * doc/extend.texi (AVR Named Address Spaces)
3361         Rename address space names as indicated above.
3362         * config/avr/avr.c (avr_addrspace): Ditto.
3363
3364         * config/avr/avr-protos.h
3365         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3366         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3367         * config/avr/predicates.md: Ditto.
3368         * config/avr/avr.c Ditto, and
3369         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3370         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3371
3372         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3373         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3374         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3375         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3376         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3377         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3378         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3379         * config/avr/avr.c: Ditto.
3380         * config/avr/avr.md: Ditto.
3381
3382 2012-01-25  Jason Merrill  <jason@redhat.com>
3383
3384         PR c++/51992
3385         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3386
3387 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3388
3389         PR tree-optimization/51987
3390         * tree-data-ref.c (get_references_in_stmt): Handle references in
3391         non-volatile GIMPLE_ASM.
3392
3393 2012-01-25  Richard Guenther  <rguenther@suse.de>
3394
3395         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3396         bases are dereferenced.
3397
3398 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3399
3400         PR rtl-optimization/48374
3401         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3402
3403 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3404
3405         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3406         compute_data_dependences_for_loop returns false.
3407         * tree-parloops.c (loop_parallel_p): Likewise.
3408
3409 2012-01-25  Richard Guenther  <rguenther@suse.de>
3410
3411         * tree.h (get_pointer_alignment_1): Declare.
3412         * builtins.c (get_pointer_alignment_1): New function.
3413         (get_pointer_alignment): Use it.
3414
3415 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3416
3417         PR rtl-optimization/48308
3418         * combine.c (enum undo_kind): Add UNDO_LINKS.
3419         (struct undo): Add member l to other_contents and where.
3420         (do_SUBST_LINK): New.
3421         (SUBST_LINK): New.
3422         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3423         (undo_all): Handle UNDO_LINKS.
3424
3425 2012-01-25  Richard Henderson  <rth@redhat.com>
3426
3427         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3428         mem inputs.
3429
3430 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3431
3432         * optabs.c (gen_atomic_test_and_set): Use each argument.
3433
3434 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3435
3436         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3437         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3438         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3439         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3440         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3441         TARGET_PAIRED_SINGLE_FLOAT.
3442
3443 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3444
3445         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3446         (in_struct, return_val): Remove MEM documentation.
3447         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3448         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3449         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3450         and MEM_SCALAR.
3451         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3452         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3453         * expr.c (store_field): Likewise.
3454         * function.c (assign_stack_temp_for_type): Likewise.
3455         * ifcvt.c (noce_try_cmove_arith): Likewise.
3456         * reload1.c (reload): Likewise.
3457         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3458         (alpha_set_memflags): Likewise.
3459         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3460
3461 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3462
3463         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3464         parameter.
3465         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3466         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3467         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3468         varies parameter.
3469         * cselib.c (cselib_rtx_varies_p): Delete.
3470         (cselib_invalidate_mem): Update call to canon_true_dependence.
3471         * dse.c (record_store, check_mem_read_rtx): Likewise.
3472         (scan_reads_nospill): Likewise.
3473         * cse.c (check_dependence): Likewise.
3474         (cse_rtx_varies_p): Delete.
3475         * expr.c (safe_from_p): Update call to true_dependence.
3476         * ira.c (validate_equiv_mem_from_store): Likewise.
3477         (memref_referenced_p): Likewise.
3478         * postreload-gcse.c (find_mem_conflicts): Likewise.
3479         * sched-deps.c (sched_analyze_2): Likewise.
3480         * store-motion.c (load_kills_store): Likewise.
3481         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3482         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3483         (compute_transp): Update call to canon_true_dependence.
3484
3485 2012-01-25  Richard Henderson  <rth@redhat.com>
3486
3487         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3488         (maybe_emit_atomic_test_and_set): New.
3489         (expand_sync_lock_test_and_set): Use it.
3490         (expand_atomic_test_and_set): Likewise.
3491         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3492         the implementation; clarify implementation defined details.
3493         * doc/md.texi (atomic_test_and_set): Document.
3494
3495 2012-01-25  Richard Henderson  <rth@redhat.com>
3496
3497         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3498
3499 2012-01-25  Richard Henderson  <rth@redhat.com>
3500
3501         PR target/51968
3502         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3503         to effect no-op split.
3504
3505 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3506
3507         PR lto/51698
3508         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3509         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3510         (BT_FN_VOID_PTR_INT_SIZE): New.
3511         (BT_FN_UINT_UINT_VAR): Remove.
3512         (BT_FN_UINT32_UINT32_VAR): New.
3513         (BT_FN_DOUBLE_VPTR): Remove.
3514         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3515
3516         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3517         (_ITM_changeTransactionMode): Same.
3518         (_ITM_memmoveRtWt): Change return type to void.
3519         (_ITM_memcpyRtWt): Same.
3520         (_ITM_memsetW): Same.
3521         (_ITM_RaRD): Change types to double.
3522         (_ITM_RD): Same.
3523         (_ITM_RaWD): Same.
3524         (_ITM_RfWD): Same.
3525
3526         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3527
3528 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3529             Patrick Marlier  <patrick.marlier@gmail.com>
3530
3531         * trans-mem.c (requires_barrier): Do not instrument thread local
3532         variables and emit save/restore for them.
3533
3534 2012-01-24  Jason Merrill  <jason@redhat.com>