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2012-06-04 Paolo Carlini <paolo.carlini@oracle.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
2
3         PR c++/53524
4         * doc/invoke.texi (Wenum-compare): Update documentation.
5
6 2012-06-04  Edmar Wienskoski  <edmar@freescale.com>
7
8         PR target/53559
9         * config/rs6000/altivec.md (altivec_stvlx): Change machine mode of
10         operands.
11         (altivec_stvlxl): Ditto.
12         (altivec_stvrx): Ditto.
13         (altivec_stvrxl): Ditto.
14
15 2012-06-04  Aldy Hernandez  <aldyh@redhat.com>
16
17         PR middle-end/47530
18         * trans-mem.c (expand_block_edges): Do not skip the first
19         statement when resetting the BB.
20
21 2012-06-04  Richard Guenther  <rguenther@suse.de>
22
23         PR middle-end/53471
24         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
25         create new assembler names.
26
27 2012-06-04  Richard Guenther  <rguenther@suse.de>
28
29         Backport from mainline
30         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
31
32         PR middle-end/52979
33         * stor-layout.c (get_best_mode): Don't return mode with bitsize
34         larger than maxbits.  Don't compute maxbits modulo align.
35         Also check that unit bytes long store at bitpos / unit * unit
36         doesn't affect bits beyond bitregion_end.
37         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
38         would not fit into bitregion_start ... bitregion_end + 1 bit
39         region.
40         (store_split_bit_field): Decrease unit close to end of bitregion_end
41         if access is restricted in order to avoid mutual recursion.
42
43 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
44
45         Backport from 2012-06-04 mainline r188172
46
47         PR target/46261
48         * config/avr/avr-stdint.h: New file.
49         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
50         newlib-stdint.h
51
52 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
53
54         PR tree-optimization/53550
55         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
56         is POINTER_TYPE_P, use sizetype as step type instead of type.
57
58 2012-06-04  Richard Guenther  <rguenther@suse.de>
59             Eric Botcazou  <ebotcazou@adacore.com>
60
61         Backport from mainline
62         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
63
64         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
65         Change type of BITOFFSET to signed.  Make sure the lower bound of
66         the computed range is non-negative by adjusting OFFSET and BITPOS.
67         (expand_assignment): Adjust call to get_bit_range.
68
69         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
70
71         * expr.c (get_bit_range): Return the null range if the enclosing record
72         is part of a larger bit field.
73
74         2012-03-20  Richard Guenther  <rguenther@suse.de>
75
76         * stor-layout.c (finish_bitfield_representative): Fallback
77         to conservative maximum size if the padding up to the next
78         field cannot be computed as a constant.
79         (finish_bitfield_layout): If we cannot compute the distance
80         between the start of the bitfield representative and the
81         bitfield member start a new representative.
82         * expr.c (get_bit_range): The distance between the start of
83         the bitfield representative and the bitfield member is zero
84         if the field offsets are not constants.
85
86         2012-03-16  Richard Guenther  <rguenther@suse.de>
87
88         * stor-layout.c (finish_bitfield_representative): Fall back
89         to the conservative maximum size if we cannot compute the
90         size of the tail padding.
91
92         2012-03-14  Richard Guenther  <rguenther@suse.de>
93
94         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
95         * stor-layout.c (start_bitfield_representative): New function.
96         (finish_bitfield_representative): Likewise.
97         (finish_bitfield_layout): Likewise.
98         (finish_record_layout): Call finish_bitfield_layout.
99         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
100         for QUAL_UNION_TYPE fields.
101         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
102         Stream DECL_BIT_FIELD_REPRESENTATIVE.
103         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
104
105         PR middle-end/52080
106         PR middle-end/52097
107         PR middle-end/48124
108         * expr.c (get_bit_range): Unconditionally extract bitrange
109         from DECL_BIT_FIELD_REPRESENTATIVE.
110         (expand_assignment): Adjust call to get_bit_range.
111
112 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
113
114         PR middle-end/53501
115         * fold-const.c (fold_binary_loc): Refine previous change.
116
117 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
118
119         Backport from mainline
120         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
121
122         PR target/52667
123         * config/sh/sh.c (find_barrier): Add equality check of last_got to
124         avoid going above orig insn.  Update comments.
125
126 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
127
128         Backport from mainline
129         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
130
131         PR target/52642
132         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
133         prologue for unwinder and profiler.
134
135 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
136
137         Backport from mainline
138         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
139
140         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
141
142 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
143
144         Backport from mainline
145         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
146
147         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
148         DBX_REGISTER_NUMBER.
149
150 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
151
152         Backport from mainline
153         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
154
155         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
156         operand is CONST_INT.  Take COSTS_N_INSNS into account.
157         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
158         shiftcosts.     
159
160 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
161
162         * config/avr/avr.opt (-msp8): Document it.
163         * doc/invoke.texi (AVR Options): Copy from trunk docu.
164
165 2012-05-31  Richard Guenther  <rguenther@suse.de>
166
167         PR middle-end/48493
168         * expr.c (expand_assignment): Do not use movmisalign on
169         non-memory.
170
171 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
172
173         PR target/52999
174         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
175         (pa_section_type_flags): New.
176         (pa_legitimate_constant_p): Revert previous change.
177
178 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
179
180         Backport from mainline
181         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
182
183         PR middle-end/53008
184         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
185         accessed indirectly.
186         (ipa_tm_create_version): Same.
187
188 2012-05-30  Jason Merrill  <jason@redhat.com>
189
190         PR c++/53220
191         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
192         about array compound literals.
193
194 2012-05-30  Richard Guenther  <rguenther@suse.de>
195
196         PR middle-end/53501
197         * fold-const.c (fold_binary_loc): Make sure to call
198         fold_plusminus_mult_expr with the original sign of operands.
199
200 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
201
202         * explow.c (probe_stack_range): Restore simple control flow and stop
203         again when the probe cannot be generated if HAVE_check_stack.
204
205 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
206
207         PR rtl-optimization/53519
208         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
209         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
210
211 2012-05-29  Richard Guenther  <rguenther@suse.de>
212
213         PR tree-optimization/53516
214         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
215         bitfield accesses.
216         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
217
218 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
219
220         Backport from mainline
221         2012-05-28  Richard Guenther  <rguenther@suse.de>
222
223         PR tree-optimization/53438
224         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
225
226 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
227
228         Backport from mainline
229         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
230
231         PR rtl-optimization/52528
232         * combine.c (can_combine_p): Add setting of subst_low_luid
233         before call to expand_field_assignment().
234
235 2012-05-26  Martin Jambor  <mjambor@suse.cz>
236
237         Backport from mainline
238         2012-05-23  Martin Jambor  <mjambor@suse.cz>
239
240         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
241
242 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
243
244         PR lto/52178
245         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
246         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
247
248 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
249
250         PR target/53435
251         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
252         (ix86_expand_vec_perm): Use int mode instead of float.
253
254 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
255
256         PR ada/52362
257         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
258         gnu_ld variables to yes.
259         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
260         (HAVE_GNU_AS): Likewise.
261         * config.in: Regenerate.
262         * configure: Likewise.
263
264 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
265
266         Backport from mainline
267         2012-03-12  Richard Guenther  <rguenther@suse.de>
268         * config/arm/arm.c (neon_dereference_pointer): Do not call
269         covert during RTL expansion.
270
271 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
272
273         Backport from mainline
274         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
275
276         PR target/53385
277         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
278         relied on signed overflow behavior.
279
280 2012-05-24  Richard Guenther  <rguenther@suse.de>
281
282         PR middle-end/53460
283         * tree-profile.c (tree_profiling): Cleanup the CFG if
284         execute_fixup_cfg requests it.
285
286 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
287
288         PR tree-optimization/53465
289         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
290         vr0 into *vr, then vrp_meet that.
291         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
292         have any equivalences.
293         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
294         first time.
295
296 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
297
298         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
299         size handling.
300         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
301         (iterative_hash_gimple_type): Adjust comment.
302         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
303         domain for an array type instead of the domain type itself.
304
305 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
306
307         Backport from 2012-05-23 mainline r187803
308
309         PR target/53448
310         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
311         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
312         ASM_OUTPUT_ALIGN.
313
314 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
315
316         Backport from 2012-05-03 mainline r187075
317
318         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
319         has_fma4 for AMD processors with both fma3 and fma4 support.
320
321 2012-05-22  Richard Guenther  <rguenther@suse.de>
322
323         PR tree-optimization/53408
324         * tree-vect-loop.c (vectorizable_induction): Properly check
325         the restriction that we cannot handle induction results from
326         the inner loop outside of the outer loop.
327
328 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
329
330         PR tree-optimization/53436
331         * omp-low.c (omp_build_component_ref): New function.
332         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
333
334         PR tree-optimization/53366
335         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
336         tests if complex_numbers == 2, but there are non-complex number loads
337         too.
338
339         PR tree-optimization/53409
340         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
341         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
342
343         PR tree-optimization/53410
344         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
345         instead of build_int_cst (type, 0) where vector types might be
346         involved.
347
348 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
349
350         PR c/53418
351         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
352         from folded operands before wrapping another around the
353         conditional expression.
354
355 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
356             Patrick Marlier  <patrick.marlier@gmail.com>
357
358         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
359         indirect calls.
360
361 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
362
363         Backport from mainline
364         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
365
366         PR target/53416
367         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
368         (UNSPECV_RDRAND): This.
369         (rdrand<mode>_1): Updated.
370
371 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
372
373         Backport from mainline
374         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
375
376         * config/i386/driver-i386.c (host_detect_local_cpu): Support
377         RDRND, F16C and FSGSBASE.
378
379 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
380
381         Backport from mainline
382         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
383
384         * tree-ssa-pre.c (can_value_number_call): Delete.
385         (compute_avail): Skip all statements with side effects.
386         <GIMPLE_CALL>: Skip calls to internal functions.
387
388 2012-05-18  David S. Miller  <davem@davemloft.net>
389
390         Backport r185385 from mainline
391         2012-03-14  Richard Guenther  <rguenther@suse.de>
392
393         PR middle-end/52584
394         * tree-vect-generic.c (type_for_widest_vector_mode): Take
395         element type instead of mode, use build_vector_type_for_mode
396         instead of the langhook, build a vector of proper signedness.
397         (expand_vector_operations_1): Adjust.
398
399 2012-05-18  Olivier Hainque  <hainque@adacore.com>
400
401         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
402         $(libsubdir) as libexecsubdir.
403
404 2012-05-16  Andrew Pinski  <apinski@cavium.com>
405
406         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
407         GIMPLE_ASSIGN.
408
409 2012-05-16  David S. Miller  <davem@davemloft.net>
410
411         * jump.c (delete_related_insns): If we remove a CALL, make sure
412         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
413
414 2012-05-16  Richard Henderson  <rth@redhat.com>
415
416         PR debug/52727
417         * combine-stack-adj.c (prev_active_insn_bb): New.
418         (next_active_insn_bb): New.
419         (force_move_args_size_note): New.
420         (combine_stack_adjustments_for_block): Use it.
421
422 2012-05-16  Olivier Hainque  <hainque@adacore.com>
423
424         * Makefile.in (install-no-fixedincludes): New target, former toplevel
425         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
426         Add comments and improve stamp preservation across the whole sequence.
427         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
428
429 2012-05-16  Richard Guenther  <rguenther@suse.de>
430
431         PR tree-optimization/53364
432         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
433         detect a view-conversion of the decl.
434
435 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
436
437         PR target/53358
438         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
439         that operands[2] is either immediate, or q_regs_operand.
440
441 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
442
443         Backport r187139 from mainline.
444         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
445
446         PR rtl-optimization/52804
447         * reload1.c (reload_reg_reaches_end_p): Check whether successor
448         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
449         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
450         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
451         RELOAD_FOR_OUTADDR_ADDRESS.
452
453 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
454
455         PR target/46098
456         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
457         generate target register for "load" class builtins.
458
459         Revert:
460         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
461
462         PR target/46098
463         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
464         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
465         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
466         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
467         (<sse>_movu<ssemodesuffix>): New expander.
468         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
469         (avx_movdqu<avxmodesuffix>): New expander.
470         (*sse2_movdqu): Rename from sse2_movdqu.
471         (sse2_movdqu): New expander.
472
473 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
474
475         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
476         lineno 1 the same as lineno 0 before first start file directive.
477         (optimize_macinfo_range): Likewise.
478
479         * dwarf2out.c (have_macinfo): Define.
480         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
481         attribute, don't force empty compilation unit and don't emit any
482         .debug_macinfo/.debug_macro section if macinfo_table is empty.
483
484 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
485
486         Backport from mainline
487         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
488
489         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
490         ORDERED and UNORDERED conditions.
491
492 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
493
494         * function.c (requires_stack_frame_p): If the function can throw
495         non-call exceptions, return true if the insn can throw internally.
496
497 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
498
499         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
500         DECL_ORIGINAL_TYPE if it is present.
501
502 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
503
504         Backport from 2012-05-12 mainline r187342.
505
506         PR target/53256
507         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
508         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
509         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
510         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
511         (expand_prologue): Move initialization of cfun->machine->is_naked,
512         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
513         (avr_set_current_function): ...this new static function.
514         (TARGET_SET_CURRENT_FUNCTION): New define.
515         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
516         checking attributes of current_function_decl.
517         (avr_regs_to_save): Ditto.
518         (signal_function_p): Rename to avr_signal_function_p.
519         (interrupt_function_p): Rename to avr_interrupt_function_p.
520
521         * doc/extend.texi (Function Attributes): Better explanation of
522         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
523         alphabetical order.
524
525 2012-05-09  Matthias Klose  <doko@ubuntu.com>
526
527         * gcc-ar.c (main): Don't check for execute bits for the plugin.
528
529 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
530
531         PR target/53272
532         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
533         when a constant source operand matches an "I" constraint, the "no
534         CC0 change" applies to a register-destination only, not a
535         strict_low_part-destination.
536
537 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
538
539         Backport from mainline:
540         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
541
542         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
543
544 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
545
546         PR tree-optimization/53239
547         * tree-vrp.c (get_value_range): Set VR of
548         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
549         to nonnull.
550
551 2012-05-07  Richard Guenther  <rguenther@suse.de>
552
553         PR tree-optimization/53195
554         * tree-inline.c (setup_one_parameter): Properly add referenced
555         vars from the parameters new known value.
556
557 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
558
559         Backport from mainline:
560         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
561
562         PR target/52999
563         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
564         in constant pool.
565
566 2012-05-04  Ian Lance Taylor  <iant@google.com>
567
568         * tree-vect-patterns.c (vect_single_imm_use): Correct return
569         values from false to NULL.
570
571 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
572
573         Backport from mainline
574         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
575
576         PR target/53228
577         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
578         (TARGET_CMOV): Rename from TARGET_CMOVE.
579         (TARGET_CMOVE): New define.
580         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
581         Do not set TARGET_CMOVE here.
582
583 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
584
585         Backport from mainline:
586
587         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
588
589         PR tree-optimization/52633
590         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
591         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
592         (vect_recog_over_widening_pattern): Remove handling of code that was
593         already detected as over-widening pattern.  Remove special handling
594         of "unsigned" cases.  Instead, support general case of conversion
595         of the shift result to another type.
596
597         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
598
599         * tree-vect-patterns.c (vect_single_imm_use): New function.
600         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
601         (vect_recog_over_widening_pattern): Likewise.
602         (vect_recog_widen_shift_pattern): Likewise.
603
604         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
605
606         PR tree-optimization/52870
607         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
608         presumed pattern statement is within the same loop or basic block.
609
610 2012-05-04  Richard Guenther  <rguenther@suse.de>
611
612         * common.opt (flto-report): Do not mark as Optimization.
613
614 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
615
616         PR target/48496
617         * recog.c (constrain_operands): If extra constraints are present, also
618         accept pseudo-registers with equivalent memory locations during reload.
619
620 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
621
622         Backport from the mainline
623         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
624
625         PR target/53199
626         * config/rs6000/rs6000.md (bswapdi splitters): If
627         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
628         default) is used, generate an alternate sequence that does not
629         depend on using indexed addressing.
630
631 2012-05-03  David S. Miller  <davem@davemloft.net>
632
633         PR target/52684
634         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
635         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
636         (sparc_emit_float_lib_cmp): Likewise.
637
638 2012-05-04  Martin Jambor  <mjambor@suse.cz>
639
640         Backport from mainline
641         2012-05-02  Martin Jambor  <mjambor@suse.cz>
642
643         PR lto/52605
644         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
645         of a variable when the contect is a function.
646
647 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
648
649         PR plugins/53126
650         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
651         append program name to it and pass that as first argument
652         to make_relative_prefix.  Always pass standard_libexec_prefix
653         as last argument to make_relative_prefix.  If
654         make_relative_prefix returns NULL, fall back to
655         standard_libexec_prefix.
656
657         PR debug/53174
658         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
659         removed.
660
661         PR target/53187
662         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
663         mode, return that mode.
664
665 2012-05-03  Richard Guenther  <rguenther@suse.de>
666
667         PR tree-optimization/53144
668         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
669         Rename to ...
670         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
671         with SSA name values.
672         (vn_reference_lookup_3): Adjust callers.
673
674 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
675
676         PR tree-optimization/53163
677         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
678         return value from compute_all_dependences.
679
680         PR rtl-optimization/53160
681         * ree.c (combine_reaching_defs): Handle the case where cand->insn
682         has been modified by ree pass already.
683
684 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
685
686         Backport from mainline
687         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
688
689         PR middle-end/53136
690         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
691         calls to cgraph_node_name in xstrdup.
692         (ipa_make_edge_direct_to_target): Ditto.
693         * tree-sra.c (convert_callers_for_node): Ditto.
694         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
695         * ipa-cp.c (perhaps_add_new_callers): Ditto.
696         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
697         (cgraph_materialize_all_clones): Ditto.
698         * ipa-inline.c (report_inline_failed_reason): Ditto.
699         (want_early_inline_function_p): Ditto.
700         (edge_badness): Ditto.
701         (update_edge_key): Ditto.
702         (flatten_function): Ditto.
703         (ipa_inline): Ditto.
704         (inline_always_inline_functions): Ditto.
705         (early_inline_small_functions): Ditto.
706
707 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
708
709         Backport from mainline
710         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
711
712         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
713         Introduce emul_name to select the right linker emulation for
714         powerpc64-*-freebsd*.
715         * configure: Regenerate.
716         * config.gcc: Add bits to support powerpc64-*-freebsd*.
717         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
718         * config/rs6000/freebsd64.h: New file.
719         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
720         POWERPC_FREEBSD.
721         (rs6000_savres_strategy): Likewise.
722         (rs6000_savres_routine_name): Likewise.
723         (rs6000_elf_file_end): Likewise.
724         * config/rs6000/t-freebsd64: New file.
725         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
726         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
727
728 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
729
730         Backport from mainline
731         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
732
733         PR target/53138
734         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
735
736 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
737
738         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
739         predicate to discriminate types.
740
741 2012-04-27  Richard Guenther  <rguenther@suse.de>
742
743         PR c/51527
744         * convert.c (convert_to_integer): Avoid infinite recursion for
745         target-defined built-in types.
746
747 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
748
749         PR target/53120
750         * config/cris/cris.md ("*andhi_lowpart_v32")
751         ("*andqi_lowpart_v32"): Change first input-only operand from
752         a (match_operand ...) to (match_dup 0).  Drop alternatives with
753         const_int-matching constraints for redundancy.
754         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
755         three-operand alternative.
756
757 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
758
759         Backport from mainline
760         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
761
762         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
763         (*addsi_2_zext): Ditto.
764         (*add<mode>_3): Ditto.
765         (*addsi_3_zext): Ditto.
766         (*add<mode>_5): Ditto.
767
768 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
769
770         PR c/52880
771         * c-typeck.c (set_nonincremental_init,
772         set_nonincremental_init_from_string): Pass true instead of false
773         as IMPLICIT to add_pending_init.
774
775 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
776
777         Backport from 2012-04-24 mainline r186768.
778
779         PR target/53065
780         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
781
782 2012-04-24  Richard Guenther  <rguenther@suse.de>
783
784         PR tree-optimization/53085
785         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
786         stores.
787
788 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
789
790         PR middle-end/53084
791         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
792         of MEM_REF.
793         (output_addressed_constants): Likewise.
794
795         PR middle-end/52999
796         * varasm.c (get_section): Don't ICE for section conflicts with
797         built-in section kinds.
798
799 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
800
801         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
802
803 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
804
805         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
806
807 2012-04-23  Richard Guenther  <rguenther@suse.de>
808
809         PR c/53060
810         * c-typeck.c (build_binary_op): Fix typo.
811
812 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
813
814         PR tree-optimizations/52891
815         * tree-vect-patterns.c (adjust_bool_pattern): Use
816         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
817         but with non-standard precision.
818
819 2012-04-22  Ian Lance Taylor  <iant@google.com>
820
821         * godump.c (go_output_typedef): Dump size of structs.
822
823 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
824
825         Backport from mainline:
826
827         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
828         hints for 'A' operand types.
829
830 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
831
832         Backport from 2012-04-19 mainline r186588.
833
834         PR target/53033
835         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
836         the case *(X+const).
837
838 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
839
840         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
841
842 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
843
844         PR target/53020
845         * config/i386/sync.md (atomic_<code><mode>): Rename to
846         atomic_<logic><mode>.
847
848 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
849
850         Backport from mainline
851         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
852
853         PR target/52932
854         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
855         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
856         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
857         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
858         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
859         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
860         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
861         gen_avx2_permvarv8sf.
862
863 2012-04-16  Martin Jambor  <mjambor@suse.cz>
864
865         Backported from mainline
866
867         2012-04-13  Martin Jambor  <mjambor@suse.cz>
868         PR middle-end/52939
869
870         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
871         fold_ctor_reference returns a zero constant.
872
873 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
874
875         Backported from mainline
876         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
877
878         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
879         and __ILP32__ for x32.
880
881 2012-04-13  Tom de Vries  <tom@codesourcery.com>
882
883         Backport from mainline r186418.
884
885         2012-04-13  Tom de Vries  <tom@codesourcery.com>
886
887         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
888         parameters vuse and vuse_escaped.
889         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
890         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
891         vuse1 != vuse2.
892
893 2012-04-13  Richard Guenther  <rguenther@suse.de>
894
895         PR tree-optimization/52969
896         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
897         the condition for the COND_EXPR and handle predicate negation
898         by swapping the COND_EXPR arms.
899
900 2012-04-13  Richard Guenther  <rguenther@suse.de>
901
902         PR c/52862
903         * convert.c (convert_to_pointer): Remove special-casing of
904         zero.
905
906 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
907
908         Backport from mainline
909         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
910
911         PR target/52775
912         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
913         the list of options to enable the FCFID instruction.
914         (TARGET_EXTRA_BUILTINS): Adjust comment.
915
916 2012-04-12  Richard Guenther  <rguenther@suse.de>
917
918         PR tree-optimization/52943
919         * tree-chrec.h (chrec_is_positive): Remove.
920         * tree-scalar-evolution.c (chrec_is_positive): Move ...
921         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
922         Return false for a constant zero instead of negative.
923         (analyze_siv_subscript_cst_affine): Handle zero difference
924         in the initial condition explicitely.
925
926 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
927
928         PR middle-end/52894
929         * varasm.c (process_pending_assemble_externals): Set
930         pending_assemble_externals_processed true.
931         (assemble_external): Call assemble_external_real if the pending
932         assemble externals have been processed.
933
934 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
935
936         PR target/52717
937         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
938         the DECL generated for the special GOT helper.
939
940 2012-04-06  Walter Lee  <walt@tilera.com>
941
942         Backport from mainline
943         2012-03-07  Walter Lee  <walt@tilera.com>
944
945         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
946         REG_CFA_* notes for the stack pointer.
947         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
948         EH_RETURN_STACKADJ_RTX.
949         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
950         generate REG_CFA_* notes for the stack pointer.
951         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
952         by EH_RETURN_STACKADJ_RTX.
953
954 2012-04-06  Matt Turner  <mattst88@gmail.com>
955
956         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
957
958 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
959
960         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
961         of the destination isn't also a FP_REGS register.
962
963 2012-04-03  Richard Guenther  <rguenther@suse.de>
964
965         Backport from mainline
966         2012-03-02  Richard Guenther  <rguenther@suse.de>
967
968         PR tree-optimization/52406
969         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
970         (struct indices): Add unconstrained_base member.
971         (struct dr_alias): Remove unused vops member.
972         (DR_UNCONSTRAINED_BASE): New define.
973         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
974         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
975         be an artificial access that covers the whole indexed object,
976         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
977         plain decl base-objects to their MEM_REF variant.
978         (dr_may_alias_p): When the base-object of either data reference
979         has unknown size use only points-to information.
980         (compute_affine_dependence): Make dumps easier to read and
981         more verbose.
982         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
983         DR_REF when looking for packed references.
984         (vect_supportable_dr_alignment): Likewise.
985
986 2012-04-03  Richard Guenther  <rguenther@suse.de>
987
988         Backport from mainline
989         2012-03-15  Richard Guenther  <rguenther@suse.de>
990
991         PR middle-end/52580
992         * tree-data-ref.c (subscript_dependence_tester_1): Check
993         all dimensions for non-conflicting access functions.
994
995 2012-04-03  Richard Guenther  <rguenther@suse.de>
996
997         Backport from mainline
998         2012-03-06  Richard Guenther  <rguenther@suse.de>
999
1000         PR middle-end/52493
1001         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1002
1003         2012-03-23  Richard Guenther  <rguenther@suse.de>
1004
1005         PR tree-optimization/52678
1006         * tree-vectorizer.h (struct _stmt_vec_info): Add
1007         loop_phi_evolution_part member.
1008         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
1009         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
1010         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
1011         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1012         Use the cached evolution part and the PHI nodes value from
1013         the loop preheader edge instead of re-analyzing the evolution.
1014
1015         2012-03-26  Richard Guenther  <rguenther@suse.de>
1016
1017         PR tree-optimization/52701
1018         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
1019         compute and set the evolution part of PHI nodes.
1020
1021         2012-03-30  Richard Guenther  <rguenther@suse.de>
1022
1023         PR tree-optimization/52754
1024         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1025         propagate arbitrary addresses into really plain dereferences.
1026
1027 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1028
1029         PR tree-optimization/52835
1030         * tree-data-ref.c (build_rdg): Return NULL if
1031         compute_data_dependences_for_loop failed.
1032
1033 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1034
1035         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1036         (stmt_can_make_abnormal_goto): Use it.
1037         (is_ctrl_altering_stmt): Likewise.
1038
1039 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1040
1041         Backported from mainline
1042         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1043
1044         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1045         is a builtin_stack_save in a dominating BB.
1046
1047 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1048
1049         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1050         crossing 128bit lane boundary.
1051
1052 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1053
1054         Backported from mainline
1055         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1056
1057         PR target/52698
1058         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1059         New prototype.
1060         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1061         * config/i386/i386.c: Include reload.h.
1062         (ix86_legitimize_reload_address): New function.
1063
1064 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1065
1066         Backported from mainline
1067         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1068
1069         PR middle-end/52693
1070         * tree-sra.c (sra_modify_assign): Do not call
1071         load_assign_lhs_subreplacements when working with an unscalarizable
1072         region.
1073
1074 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1075
1076         PR middle-end/52691
1077         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1078         __builtin_va_start to __builtin_next_arg if the latter is
1079         builtin_decl_explicit_p rather than when it is not.
1080
1081         PR middle-end/52750
1082         * tree-vect-generic.c (vector_element): Perform multiplication
1083         for pos in bitsizetype type instead of idx type.
1084
1085 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1086
1087         Backport from 2012-03-28 mainline r185910.
1088
1089         PR target/52692
1090         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1091         (avr_builtin_decl): New static function.
1092         (struct avr_builtin_description, avr_bdesc): Move up.
1093         Add GTY marker. Add field fndecl. Remove redundant field id.
1094         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1095         (avr_expand_builtin): Code cleanup because .id is removed.
1096
1097 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1098
1099         PR middle-end/51893
1100         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1101         targets.
1102
1103 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1104
1105         Backport from 2012-03-28 mainline r185907.
1106
1107         PR target/52737
1108         * config.gcc (tm_file): Remove avr/multilib.h.
1109
1110         * doc/invoke.texi (AVR Options): Adjust
1111         documentation of -mtiny-stack.
1112
1113         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1114         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1115         * config/avr/t-avr: Remove generation of multilib.h.
1116         * config/avr/t-multilib: Regenerate.
1117         * config/avr/multilib.h: Remove.
1118         * config/avr/avr.opt (-msp8): New option.
1119         (avr_sp8): New variable.
1120         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1121         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1122         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1123         (avr_device_to_sp8): New prototype.
1124         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1125         (DRIVER_SELF_SPECS): New define.
1126         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1127         __AVR_SP8__, __AVR_HAVE_SPH__.
1128         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1129         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1130         (avr_file_start): Ditto.
1131
1132 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1133
1134         PR target/52736
1135         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1136         instead of 8 in adjust_address.
1137
1138 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1139
1140         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1141         of a unit before computing the offset in units.
1142
1143 2012-03-27  Richard Guenther  <rguenther@suse.de>
1144
1145         PR middle-end/52720
1146         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1147         explicitely.
1148
1149 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1150
1151         PR target/52610
1152         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1153
1154 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1155
1156         PR middle-end/52640
1157         * varasm.c: Include pointer-set.h.
1158         (pending_assemble_externals_set): New pointer set.
1159         (process_pending_assemble_externals): Destroy the pointer set.
1160         (assemble_external): See if decl is in pending_assemble_externals_set,
1161         and add it to pending_assemble_externals if necessary.
1162         (init_varasm_once): Allocate pending_assemble_externals_set.
1163
1164 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1165
1166         Backported from mainline
1167         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1168
1169         PR target/50310
1170         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1171         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1172         (vector_ltgt<mode>): Likewise.
1173         (vector_ordered<mode>): Likewise.
1174         (vector_unordered<mode>): Likewise.
1175         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1176
1177 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1178
1179         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1180         Make static.
1181
1182 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1183
1184         Backported from mainline
1185         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1186
1187         PR target/48596
1188         PR target/48806
1189         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1190         GENERAL_REGS and FP_REGS for SImode.
1191
1192 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1193
1194         PR middle-end/52547
1195         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1196         on any new_local_var_chain vars declared during recursing on
1197         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1198
1199 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1200
1201         Backport from 2012-03-22 mainline r185692.
1202
1203         PR target/52496
1204         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1205         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1206         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1207         (delay_cycles_1, delay_cycles_2): Ditto.
1208         (delay_cycles_3, delay_cycles_4): Ditto.
1209         (nopv, *nopv): Ditto.
1210         (sleep, *sleep): Ditto.
1211         (wdr, *wdr): Ditto.
1212
1213         Backport from 2012-03-21 mainline r185605.
1214
1215         PR rtl-optimization/52543
1216         PR target/52461
1217         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1218         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1219         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1220         (avr_load_libgcc_p): Restrict to __flash loads.
1221         (avr_out_lpm): Only handle 1-byte loads from __flash.
1222         (avr_load_lpm): New function.
1223         (avr_find_unused_d_reg): Remove.
1224         (avr_out_lpm_no_lpmx): Remove.
1225         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1226         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1227         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1228         (load_<mode>, load_<mode>_clobber): New insns.
1229         (mov<mode>): For multi-byte move from non-generic
1230         16-bit address spaces: Expand to load_<mode> resp.
1231         load_<mode>_clobber.
1232         (load<mode>_libgcc): Remove expander.
1233         (split-lpmx): Remove split.
1234
1235         Backport from 2012-03-13 mainline r185329.
1236
1237         PR target/52488
1238         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1239         offset (size) to a value the insns can deal with.
1240         (expand_epilogue): Ditto.
1241
1242         Backport from 2012-03-12 mainline r185256.
1243
1244         PR target/52499
1245         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1246         type from reg_class_t to enum reg_class.
1247         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1248
1249         Backport from 2012-03-12 mainline r185253.
1250
1251         PR target/52148
1252         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1253         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1254         r184615 from 2012-02-28.
1255
1256         Backport from 2012-03-08 mainline r185105.
1257
1258         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1259         for constants in [-63,63].
1260
1261         Backport from 2012-03-08 mainline r185100.
1262
1263         PR target/52496
1264         * config/avr/avr.c (avr_mem_clobber): New static function.
1265         (avr_expand_delay_cycles): Add memory clobber operand to
1266         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1267         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1268         (enable_interrupt, disable_interrupt): New expander.
1269         (nopv, sleep, wdr): New expanders.
1270         (delay_cycles_1): Add memory clobber.
1271         (delay_cycles_2): Add memory clobber.
1272         (delay_cycles_3): Add memory clobber.
1273         (delay_cycles_4): Add memory clobber.
1274         (cli_sei): New insn from former "enable_interrupt",
1275         "disable_interrupt" with memory clobber.
1276         (*wdt): New insn from former "wdt" with memory clobber.
1277         (*nopv): Similar, but for "nopv".
1278         (*sleep): Similar, but for "sleep".
1279
1280         Backport from 2012-03-07 mainline r185043.
1281
1282         PR target/52484
1283         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1284
1285         Backport from 2012-03-07 mainline r185032.
1286
1287         PR target/52506
1288         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1289         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1290         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1291
1292         Backport from 2012-03-07 mainline r185031.
1293
1294         PR target/52505
1295         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1296         from RAM.
1297         * config/avr/avr.md (xload_8): Adjust insn length.
1298
1299         Backport from 2012-03-07 mainline r185030.
1300
1301         PR target/52461
1302         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1303         if RAMPZ affects reading from RAM.
1304
1305         Backport from 2012-03-05 mainline r184919.
1306
1307         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1308
1309 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1310
1311         Backport from mainline r185259.
1312
1313         PR other/52545
1314         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1315         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1316
1317 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1318
1319         Backported from mainline
1320         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1321
1322         PR c/52577
1323         * c-parser.c (c_parser_postfix_expression)
1324         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1325
1326         * config/i386/smmintrin.h: Avoid /* within a comment.
1327         * config/i386/nmmintrin.h: Likewise.
1328
1329 2012-03-22  Richard Guenther  <rguenther@suse.de>
1330
1331         * BASE-VER: Set to 4.7.1.
1332         * DEV-PHASE: Set to prerelease.
1333
1334 2012-03-22  Release Manager
1335
1336         * GCC 4.7.0 released.
1337
1338 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1339
1340         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1341
1342 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1343             Andrew Pinski  <apinski@cavium.com>
1344
1345         PR middle-end/52592
1346         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1347         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1348         calls instead of __builtin_ir{int,ound}*.
1349
1350 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR c++/52582
1353         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1354         if c_node is NULL.
1355
1356 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1357
1358         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1359         Refer to GCC 4.7 version of c99status.html.
1360
1361 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1362
1363         Backport from mainline
1364         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1365
1366         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1367         redefine to be NULL if the current bit-size is different from the
1368         configured bit-size.
1369
1370         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1371         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1372         set the default tuning.  Add asserts to make sure the cpu and tune
1373         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1374         test whether the index is set, instead of > 0.
1375         (rs6000_file_start): Do not reset the default cpu if the current
1376         bit-size is different from the configured bit-size.
1377
1378 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1379
1380         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1381         binutils reference.
1382         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1383         Update binutils references.
1384         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1385         Update binutils reference.
1386         Update Sun as/GNU ld caveat.
1387         Document binutils largefile requirement for LTO plugin.
1388         Remove reference to alternate libpthread.
1389
1390 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1391
1392         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1393         reference.
1394         (Specific, mips-sgi-irix6): Likewise.
1395
1396 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1397
1398         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1399         * configure: Regenerate.
1400
1401 2012-03-07  Richard Henderson  <rth@redhat.com>
1402
1403         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1404         * config/m68k/sync.md (atomic_test_and_set): Use it.
1405         (atomic_test_and_set_1): Likewise.
1406
1407 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1408
1409         PR target/51417
1410         * Makefile.in: Let install-gcc-ar depend on installdirs,
1411         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1412         Don't double canonicalize if cross-compiling.
1413
1414 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1415
1416         * trans-mem.c: New typedef for tm_region_p.
1417         Define vector types for tm_region_p.
1418         (tm_region_init): Replace region_worklist to a vector called
1419         bb_regions.
1420
1421 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1422
1423         PR middle-end/52463
1424         * trans-mem.c (tm_region_init): Use last_basic_block.
1425
1426 2012-03-05  Richard Henderson  <rth@redhat.com>
1427
1428         PR tree-opt/52242
1429         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1430         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1431         BIGGEST_ALIGNMENT is aligned.
1432
1433 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1434
1435         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1436
1437 2012-03-05  Richard Henderson  <rth@redhat.com>
1438
1439         PR target/52481
1440         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1441         instead of calling negqi2 directly.
1442
1443 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1444
1445         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1446         (INTMAX_TYPE): Use it.
1447         (UINTMAX_TYPE): Likewise.
1448         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1449         (irix6_c_common_override_options): Declare.
1450         (C_COMMON_OVERRIDE_OPTIONS): Define.
1451         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1452         * config/mips/irix6-c.c: New file.
1453         * config/mips/t-irix6 (irix6-c.o): New target.
1454         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1455         cxx_target_objs.
1456
1457 2012-03-02  Richard Henderson  <rth@redhat.com>
1458
1459         * optabs.c (expand_atomic_test_and_set): Honor
1460         atomic_test_and_set_trueval even when atomic_test_and_set
1461         optab is not in use.
1462
1463 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1464
1465         Backport from mainline
1466         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1467
1468         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1469
1470 2012-03-02  Richard Guenther  <rguenther@suse.de>
1471
1472         * DEV-PHASE: Set to prerelease.
1473
1474 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1475
1476         * config.gcc (obsolete): Add all ARM targets using the FPA.
1477         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1478         * doc/install.texi: Avoid references to obsolete ARM ports.
1479
1480 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1481
1482         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1483
1484 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1485             Joern Rennecke  <joern.rennecke@embecosm.com>
1486
1487         * doc/extend.texi: Expand and update information on interrupt
1488         attribute for Epiphany.
1489
1490 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1491
1492         * config/sh/sh-protos.h: Update copyright notice dates.
1493         * config/sh/sh.h: Likewise.
1494         * config/sh/sh.md: Likewise.
1495         * config/sh/constraints.md: Likewise.
1496         * config/sh/predicates.md: Likewise.
1497
1498 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1499
1500         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1501         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1502
1503 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1504
1505         * config/sh/constraints.md: Fix comment typo.
1506
1507 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1508
1509         PR target/52408
1510         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1511         unsigned HOST_WIDE_INT.
1512         (zvdep_imm64): Likewise.
1513         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1514         (vdepi_and): Likewise.
1515         Likewise for unamed 64-bit patterns.
1516         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1517
1518 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1519
1520         PR debug/52001
1521         PR rtl-optimization/52417
1522         * cselib.c (cselib_any_perm_equivs): New variable.
1523         (cselib_reset_table): Check that it's not set when not
1524         preserving constants.
1525         (cselib_add_permanent_equiv): Set it.
1526         (cselib_have_permanent_equivalences): New.
1527         (cselib_init, cselib_finish): Reset it.
1528         * cselib.h (cselib_have_permanent_equivalences): Declare.
1529         * alias.c (get_addr): Restore earlier behavior when there
1530         aren't permanent equivalences.
1531
1532 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1533
1534         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1535         * config/v850/v850-modes.def: Fix copyright notice.
1536
1537 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1538
1539         * doc/extend.texi (AVR Built-in Functions): Document
1540         __builtin_avr_flash_segment.
1541
1542         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1543         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1544         (*split.flash_segment): New insn-and-split.
1545         * config/avr/avr.c (avr_init_builtins): Add local variables:
1546         const_memx_void_node, const_memx_ptr_type_node,
1547         char_ftype_const_memx_ptr.
1548
1549 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1550
1551         PR tree-optimization/52445
1552         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1553         add ssa_name_ver, offset and size fields and change store field
1554         to bool.
1555         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1556         (add_or_mark_expr): Likewise.  Only consider previous stores
1557         with the same size and offset.
1558         (nt_init_block): Only look at gimple_assign_single_p stmts,
1559         doesn't look at rhs2.
1560
1561 2012-03-01  Richard Guenther  <rguenther@suse.de>
1562
1563         PR middle-end/52443
1564         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1565         conversions from integral types to pointer types.
1566
1567 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1568
1569         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1570         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1571         unintentionally removed in r184616.
1572
1573 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1574
1575         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1576         3DNow from bdver1.
1577
1578 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1579             Uros Bizjak  <ubizjak@gmail.com>
1580
1581         PR target/52437
1582         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1583         alternatives, add "e" constraint to the new last alternative
1584         and ! to last 3 alternatives.
1585
1586 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1587
1588         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1589         DW_AT_artificial attributes at the end of the processing.
1590         (gen_array_type_die): Likewise.
1591         (gen_enumeration_type_die): Likewise.
1592         (gen_struct_or_union_type_die): Likewise.
1593         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1594         the parent type.
1595
1596 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1597
1598         PR middle-end/52419
1599         * expr.c (expand_assignment): If doing misaligned store that doesn't
1600         cover all mode bits, perform a RMW cycle.
1601
1602         PR tree-optimization/52429
1603         * tree-parloops.c (separate_decls_in_region_debug): Return early
1604         if var is LABEL_DECL.
1605
1606 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1607
1608         PR tree-optimization/52424
1609         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1610         calling dom_thread_across_edge.
1611
1612 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1613
1614         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1615
1616 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1617
1618         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1619         * config/avr/avr.c (avr_output_bld): Remove unused function.
1620         (avr_out_sbxx_branch): Use "%T" to print bit position.
1621
1622 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1623
1624         * config/avr/avr.md: Untabify.
1625
1626 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1627
1628         * config/avr/avr.md (eqne): New code iterator.
1629         (*dec-and-branchsi): Use it in text peephole's condition.
1630         (*dec-and-branchhi): Ditto.
1631         (*dec-and-branchqi): Ditto.
1632
1633 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1634
1635         PR target/49939
1636         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1637         the device does not have the skip-bug.
1638
1639 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1640
1641         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1642         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1643         -mpretend-cmove): New.
1644
1645 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1646
1647         PR bootstrap/52397
1648         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1649         doesn't count DEBUG_INSN refs.
1650         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1651         for DEBUG_INSN refs.
1652
1653 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1654
1655         Partially revert:
1656
1657         2012-02-20  Richard Guenther  <rguenther@suse.de>
1658         PR tree-optimization/52298
1659         * tree-vect-stmts.c (vectorizable_load): Properly use
1660         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1661         outer loops.
1662
1663 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1664
1665         PR middle-end/51752
1666         * gimple.h (gimple_in_transaction): New.
1667         (gimple_set_in_transaction): New.
1668         (struct gimple_statement_base): Add in_transaction field.
1669         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1670         transaction loads.
1671         (tree_ssa_lim_initialize): Compute transaction bits.
1672         * tree.h (compute_transaction_bits): Protoize.
1673         * trans-mem.c (tm_region_init): Use the heap to store BB
1674         auxilliary data.
1675         (compute_transaction_bits): New.
1676
1677 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1678
1679         * gcc.c (display_help): Document --help=common and sort entries
1680         alphabetically.
1681
1682 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1683
1684         * doc/install.texi: Document check-$LANG specific shortcuts
1685
1686 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1687
1688         PR target/51534
1689         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1690         and vcgtu.
1691         * config/arm/arm_neon.h: Regenerate.
1692         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1693         (neon_vcgeu): New insn.
1694         (neon_vcgtu): Likewise.
1695         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1696         (ops): Unsigned comparison intrinsics call a different
1697         builtin.
1698
1699 2012-02-28  Richard Guenther  <rguenther@suse.de>
1700
1701         PR target/52407
1702         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1703         ordering for the VEC_CONCAT for two element vectors for
1704         V2SFmode, V2SImode and V2DImode.
1705
1706 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1707
1708         PR target/49448
1709         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1710         detecting big-endian triplets.
1711
1712 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1713
1714         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1715         mode if there is no type information available.
1716
1717 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1718
1719         PR tree-optimization/53207
1720         * doc/invoke.texi: Document as experimental and relying on graphite.
1721
1722 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1723
1724         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1725         of initializer to changes from r184614.
1726
1727 2012-02-28  Richard Guenther  <rguenther@suse.de>
1728
1729         PR tree-optimization/52395
1730         * tree-sra.c (build_ref_for_offset): Also look at the base
1731         TYPE_ALIGN when figuring out the alignment of the replacement.
1732
1733 2012-02-28  Richard Guenther  <rguenther@suse.de>
1734
1735         PR tree-optimization/52402
1736         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1737         mis-aligned types when creating the accesses at the call site.
1738
1739 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1740
1741         * config/avr/builtins.def: New file.
1742         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1743         * config/avr/avr.c (enum avr_builtin_id): Use it.
1744         (avr_init_builtins): Use it. And use avr_bdesc.
1745         (bdesc_1arg): Remove.
1746         (bdesc_2arg): Remove.
1747         (bdesc_3arg): Remove.
1748         (struct avr_builtin_description): Add field n_args.
1749         (avr_bdesc): New static variable using builtins.def.
1750         (avr_expand_builtin): Use it.
1751         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1752         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1753         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1754
1755 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1756
1757         PR target/52148
1758         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1759         match only one single hard register with respective hard reg rtx.
1760         (movmemx_<mode>): Ditto.
1761         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1762         insn anatomy of movmem[x]_<mode>.
1763         (avr_out_movmem): Same for printing assembler and operand usage.
1764
1765 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1766
1767         PR target/49868
1768         PR target/52261
1769         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1770         address spaces located outside of device flash.
1771
1772         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1773         (mcu_type_s): Add field n_flash.
1774         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1775         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1776         (AVR_MCU): Add N_FLASH argument.
1777         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1778         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1779         macro __FLASH<n> if that address space makes sense for the device.
1780         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1781         outside of target flash.
1782         (avr_asm_named_section): Ditto.
1783         (avr_asm_select_section): Ditto.
1784         (avr_addr_space_convert): Ditto.
1785         (avr_emit_movmemhi): Ditto.
1786         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1787         address space is outside of device flash.
1788         (avr_insert_attributes): Ditto.
1789         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1790         avr_current_arch->n_segments.
1791
1792 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1793
1794         PR target/52352
1795         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1796         TARGET_LP64.
1797         (*movabs<mode>_2): Likewise.
1798
1799 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1800
1801         PR target/52375
1802         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1803         s_register_operand in the test instead of REG_P.  Don't call
1804         gen_reg_rtx if it won't be used.
1805
1806         PR tree-optimization/52376
1807         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1808
1809 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1810
1811         * ifcvt.c (noce_get_condition): Check condition variable is not
1812         small_register_classes_for_mode_p before accepting.
1813
1814 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1815
1816         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1817
1818 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1819
1820         Revert:
1821         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1822         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1823         tuning parameters.
1824         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1825
1826 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1827
1828         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1829
1830 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1831
1832         * config/sh/predicates.md: Remove blank lines.
1833         * config/sh/sh.c: Fix typos in comments.
1834         * config/sh/constraints.md: Likewise.
1835         * config/sh/sh.md: Remove blank lines.
1836         Fix typos in comments.  Use ;; as comment characters.
1837
1838 2012-02-26  Walter Lee  <walt@tilera.com>
1839
1840         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1841         (replace_mov_pcrel_step2): Ditto.
1842
1843 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1844
1845         PR debug/52001
1846         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1847         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1848         and locs that reference values newer than the non-canonical value
1849         at hand.  Return the canonical value as a worst case.
1850         (memrefs_conflict_p): Walk canonical value's locs.
1851
1852         PR debug/52001
1853         * cselib.c (preserve_only_constants): Rename to...
1854         (preserve_constants_and_equivs): ... this.  Split out...
1855         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1856         of other preserved expressions too.
1857         (cselib_reset_table): Adjust.
1858         * var-tracking.c (reverse_op): Use canonical value to build
1859         reverse operation.
1860
1861 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1862
1863         * config/i386/i386.c (ix86_delegitimize_address): Handle
1864         UNSPEC_PCREL plus displacement.
1865
1866 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1867
1868         PR target/52261
1869         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1870         to test for unusedness in st X addressing.
1871
1872 2012-02-24  Richard Guenther  <rguenther@suse.de>
1873
1874         PR middle-end/52361
1875         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1876         (is_gimple_reg_type): Move inline ...
1877         * gimple.h (is_gimple_reg_type): ... here.
1878
1879 2012-02-24  Richard Guenther  <rguenther@suse.de>
1880
1881         PR middle-end/52361
1882         * passes.c (execute_function_todo): When verifying SSA form
1883         verify gimple form first.
1884         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1885
1886 2012-02-24  Richard Guenther  <rguenther@suse.de>
1887
1888         PR middle-end/52355
1889         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1890         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1891
1892 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1893
1894         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1895
1896 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1897
1898         * tree-phinodes.c (make_phi_node): Mark static.
1899         * tree-flow.h (make_phi_node): Remove extern decl.
1900         * doc/gimple.texi (make_phi_node): Remove documentation.
1901
1902 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1903
1904         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1905         * tree-ssa-sccvn.c (print_scc): Ditto.
1906
1907 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1908
1909         * doc/passes.texi (Full redundancy elimination): Fix typo.
1910
1911 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1912
1913         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1914
1915 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1916
1917         PR bootstrap/52287
1918         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1919
1920 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1921
1922         PR c/52290
1923         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1924
1925 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1926
1927         * config/avr/avr.md (code_stdname): Add ior, xor.
1928         (xior): New code iterator.
1929         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1930         (*<code_stdname><mode>qi.byte1-3): Ditto.
1931
1932 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR tree-optimization/52019
1935         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1936         CLOBBER stmts.
1937
1938 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1939
1940         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1941         HAVE_INITFINI_ARRAY to work around namespace pollution in
1942         certain versions of newlib system headers.
1943         * config.in: Regenerate.
1944         * configure: Regenerate.
1945         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1946         instead of HAVE_INITFINI_ARRAY.
1947
1948 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1949
1950         PR target/52330
1951         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1952         is not offsettable memory reference.
1953
1954 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1955
1956         PR target/18145
1957         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1958         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1959
1960 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1961
1962         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1963         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1964
1965 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1966
1967         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1968         library on Solaris 8 even without TLS support.
1969         * configure: Regenerate.
1970
1971 2012-02-22  Richard Guenther  <rguenther@suse.de>
1972
1973         PR middle-end/52329
1974         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1975         for GIMPLE_DEBUG stmts.
1976
1977 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1978
1979         PR middle-end/51782
1980         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1981         according to the base object.
1982
1983 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1984
1985         PR rtl-optimization/50063
1986         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1987         and 2 (8-bit SP) in operand 2.
1988         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1989         setup to use movhi_sp_r instead of vanilla move to write SP.
1990         Adjust REG_CFA notes to superseed unspec.
1991         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1992         of vanilla move.
1993         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1994         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1995         irq_state 1 (IRQ known to be on) here.
1996
1997 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1998
1999         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2000         WORDS_BIG_ENDIAN.
2001         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2002         assign_hard_reg): Likewise.
2003
2004 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2005
2006         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2007
2008 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2009
2010         * config/avr/avr.md
2011         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2012         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2013
2014 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2015
2016         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2017         prototype from here to...
2018         * config/avr/avr.h: ...here.
2019
2020 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2021
2022         PR target/52294
2023         * thumb2.md (thumb2_shiftsi3_short): Split register and
2024         immediate shifts.  For register shifts tie operands 0 and 1.
2025         (peephole2 for above): Check that register-controlled shifts
2026         have suitably tied operands.
2027
2028 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2029
2030         PR target/52137
2031         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2032         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2033         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2034         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2035         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2036         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2037         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2038         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2039         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2040         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2041         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2042         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2043         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2044         bdver1_ssevector_avx256_unaligned_load,
2045         bdver1_ssevector_sse128_unaligned_load,
2046         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2047         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2048         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2049         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2050         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2051         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2052         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2053         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2054         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2055         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2056         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2057         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2058         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2059         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2060         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2061         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2062         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2063         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2064         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2065         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2066         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2067         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2068         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2069         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2070         bdver1_ssediv_double_load, bdver1_ssediv_double,
2071         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2072         Add "bdver2" attribute.
2073
2074 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2075
2076         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2077         default if possible and not specified otherwise.
2078
2079 2012-02-21  Richard Guenther  <rguenther@suse.de>
2080
2081         PR middle-end/52314
2082         * gimplify.c (create_tmp_from_val): Use the main variant type
2083         for the type of the temporary we create.
2084
2085 2012-02-21  Richard Guenther  <rguenther@suse.de>
2086
2087         PR tree-optimization/52324
2088         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2089         do not gimplify a MEM_REF address operand if it is already
2090         in suitable form.
2091
2092 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2093
2094         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2095         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2096
2097 2012-02-21  Richard Guenther  <rguenther@suse.de>
2098
2099         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2100         nested_in_vect_loop.
2101
2102 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2103
2104         PR tree-optimization/52318
2105         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2106         vdef also to non-pure/const call stmts in the sequence.
2107
2108 2012-02-20  David S. Miller  <davem@davemloft.net>
2109
2110         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2111         don't use the "rd %pc" instruction on v9 for PIC register loads.
2112
2113 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2114
2115         PR middle-end/52141
2116         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2117         in a transaction safe function.
2118
2119 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2120
2121         PR target/52238
2122         * stor-layout.c (place_field): Handle desired_align for
2123         ms-bitfields, too.
2124
2125 2012-02-20  Richard Guenther  <rguenther@suse.de>
2126
2127         PR tree-optimization/52298
2128         * tree-vect-stmts.c (vectorizable_store): Properly use
2129         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2130         outer loops.
2131         (vectorizable_load): Likewise.
2132         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2133         Access DR_STEP after ensuring it is not NULL.
2134
2135 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2136
2137         PR tree-optimization/52286
2138         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2139         optimization use double_int_to_tree instead of build_int_cst_wide,
2140         rewrite to use double_int vars.
2141
2142 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2143
2144         PR target/50166
2145         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2146         Define _start.
2147         Remove -e 0 from $gcc_cv_ld invocation.
2148         Only use __GLIBC_PREREQ if defined.
2149         Enable on Solaris since Solaris 8 patch.
2150         (gcc_SUN_LD_VERSION): New macro.
2151         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2152         gcc_SUN_LD_VERSION for version number format.
2153         * configure: Regenerate.
2154         * varasm.c (get_elf_initfini_array_priority_section): Set
2155         SECTION_NOTYPE for non-default priority.
2156         Use get_section instead of get_unnamed_section to emit
2157         .init_array/.fini_array with default priority.
2158
2159 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2160
2161         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2162         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2163         (mips_start_unique_function, mips_output_mips16_rdhwr)
2164         (mips_code_end): New functions.
2165         (TARGET_ASM_CODE_END): Define.
2166
2167 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2168
2169         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2170         to stubs with non-sibling calls.
2171
2172 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2173
2174         * doc/invoke.texi (-fira-* options): Copy-edit.
2175         (ira-* parameters): Copy-edit.
2176
2177 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2178
2179         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2180         GCC coding conventions.
2181
2182 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2183
2184         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2185         when used as adjectives.
2186
2187 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2188
2189         * doc/invoke.texi: Clean up "that"/"which" confusion.
2190
2191 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2192
2193         * system.h: Poison SMALL_REGISTER_CLASSES
2194         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2195         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2196
2197 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2198
2199         PR tree-optimization/52285
2200         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2201         when deciding if a call is a tail call or tail recursion.
2202
2203 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2204
2205         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2206         interger-constant displacement for UNSPEC_PCREL.
2207
2208 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR rtl-optimization/52208
2211         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2212         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2213
2214         PR tree-optimization/52255
2215         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2216         loop->header has virtual PHI, but exit_e->dest doesn't, add
2217         virtual PHI to exit_e->dest and adjust all uses after the loop.
2218
2219         PR debug/52260
2220         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2221         children with clone_tree_hash, not after it.
2222
2223 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2224
2225         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2226         extended identifiers.
2227
2228 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2229
2230         PR middle-end/51929
2231         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2232         a same_body_alias, also test whether e->callee isn't a former
2233         or current clone of the decl this is a same body alias of.
2234
2235         PR translation/52264
2236         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2237
2238 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2239
2240         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2241
2242 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2243
2244         PR target/52199
2245         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2246         force_reg instead of copy_to_reg for better optimization.  Force
2247         non-register or memory operands into a register.
2248
2249 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2250
2251         * extend.texi: Reserve upper bits of memory model for future use.
2252
2253 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2254             Anatoly Sokolov <aesok@post.ru>
2255             Eric Weddington <eric.weddington@atmel.com>
2256
2257         PR target/52261
2258         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2259         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2260         Rewrite initializers for .macro.
2261         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2262         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2263         atxmega32d4, atxmega32x1.
2264         avrxmega4: atxmega64a3, atxmega64d3.
2265         avrxmega5: atxmega64a1, atxmega64a1u.
2266         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2267         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2268         avrxmega7: atxmega128a1, atxmega128a1u.
2269         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2270         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2271         (struct base_arch_s): Rename reserved to xmega_p.
2272         Rename reserved2 to have_rampd.
2273         (AVR_XMEGA): New define.
2274         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2275         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2276         * config/avr/predicates.md (io_address_operand): Take into
2277         account SFR offset.
2278         (low_io_address_operand): Ditto.
2279         (high_io_address_operand): Ditto.
2280         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2281         (enabled, movhi_sp_r): Use them.
2282         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2283         cpp_define_formatted to built-in define __AVR_ARCH__.
2284         (__AVR_XMEGA__): New built-in define.
2285         (__AVR_HAVE_RAMPD__): New built-in define.
2286         (__AVR_HAVE_RAMPX__): New built-in define.
2287         (__AVR_HAVE_RAMPY__): New built-in define.
2288         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2289
2290         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2291         (avr_option_override): Initialize them.
2292         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2293         (avr_init_expanders): Initialize them. No more block several calls.
2294         (emit_push_sfr): New static function.
2295         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2296         Handle AVR_XMEGA.
2297         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2298         (avr_print_operand): Print addreeses as symbols for
2299         RAMPX, RAMPY, RAMPD, CCP.
2300         (output_movhi): Handle AVR_XMEGA when writing to SP.
2301         (avr_out_movhi_mr_r_xmega): New static function.
2302         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2303         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2304         __RAMPD__,  __CCP__ as needed.
2305
2306         * config/avr/multilib.h: Regenerate.
2307         * config/avr/t-multilib: Regenerate.
2308         * config/avr/avr-tables.opt: Regenerate.
2309
2310 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2311
2312         PR tree-optimization/50561
2313         * graphite-flattening.c (lst_project_loop): Do not
2314         remove old scattering dimensions after flattening.
2315         (lst_do_flatten): Likewise.
2316
2317 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2318
2319         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2320         __builtin_avr_map8, __builtin_avr_map16.
2321         Document __builtin_avr_insert_bits.
2322
2323         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2324         (insert_bits): New insn.
2325         (adjust_len.map_bits): Rename to insert_bits.
2326         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2327         * avr-protos.h (avr_out_map_bits): Remove.
2328         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2329         * config/avr/constraints.md (Cxf,C0f): New.
2330         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2331         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2332         New built-in define __BUILTIN_AVR_INSERT_BITS.
2333         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2334         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2335         (avr_move_bits): Rewrite.
2336         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2337         functions.
2338         (avr_map_op_t): New typedef.
2339         (avr_map_op): New static variable.
2340         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2341         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2342         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2343         (bdesc_3arg, avr_expand_triop_builtin): New.
2344         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2345         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2346         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2347         (avr_map_equal_p, avr_map_sig_p): Remove.
2348         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2349         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2350         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2351         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2352         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2353         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2354
2355 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2356
2357         * config/c6x/c6x.md (reserve_cycles): New attribute.
2358         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2359         don't reserve functional units after the branch occurs.
2360
2361 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2362
2363         PR middle-end/52142
2364         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2365         functions into non-tm_pure functions.
2366
2367 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2368
2369         PR lto/52178
2370         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2371         (iterative_hash_canonical_type): Likewise.
2372         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2373         the dead edges.
2374
2375 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2376
2377         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2378         sched-group insn, it either remains alone or the entire list is pruned.
2379
2380 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2381
2382         * doc/install.texi (Prerequisites): Fix grammar.
2383         (Configuration): Likewise.
2384
2385 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2386
2387         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2388         MPC as part of GCC before describing configuring with --with-gmp etc.
2389         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2390         sources are present.
2391
2392 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2393
2394         PR debug/51950
2395         * dwarf2out.c (clone_tree_hash): New function.
2396         (copy_decls_walk): Use it instead of clone_tree.
2397
2398 2012-02-14  Richard Guenther  <rguenther@suse.de>
2399
2400         PR tree-optimization/52244
2401         PR tree-optimization/51528
2402         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2403         replacements for integral types.
2404
2405 2012-02-14  Walter Lee  <walt@tilera.com>
2406
2407         * config.gcc: Handle tilegx and tilepro.
2408         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2409         tilegx and tilepro.
2410         Add HAVE_AS_TLS check for tilegx and tilepro.
2411         * configure: Regenerate.
2412         * doc/contrib.texi: Add Mat Hostetter and self.
2413         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2414         Document instruction intrinsics and network accessing intrinsics.
2415         (TILEPro Built-in Functions): New node.  Document instruction
2416         intrinsics and network accessing intrinsics.
2417         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2418         (Specific, tilepro-*-linux*): Likewise.
2419         * doc/invoke.texi (TILE-Gx Options): New section.
2420         (TILEPro Options): New section.
2421         * doc/md.texi (TILE-Gx): New section.
2422         (TILEPro): New section.
2423         * common/config/tilegx/tilegx-common.c: New file.
2424         * common/config/tilepro/tilepro-common.c: New file.
2425         * config/tilegx/constraints.md: New file.
2426         * config/tilegx/linux.h: New file.
2427         * config/tilegx/mul-tables.c: New file.
2428         * config/tilegx/predicates.md: New file.
2429         * config/tilegx/sync.md: New file.
2430         * config/tilegx/t-tilegx: New file.
2431         * config/tilegx/tilegx-builtins.h: New file.
2432         * config/tilegx/tilegx-c.c: New file.
2433         * config/tilegx/tilegx-generic.md: New file.
2434         * config/tilegx/tilegx-modes.def: New file.
2435         * config/tilegx/tilegx-multiply.h: New file.
2436         * config/tilegx/tilegx-protos.h: New file.
2437         * config/tilegx/tilegx.c: New file.
2438         * config/tilegx/tilegx.h: New file.
2439         * config/tilegx/tilegx.md: New file.
2440         * config/tilegx/tilegx.opt: New file.
2441         * config/tilepro/constraints.md: New file.
2442         * config/tilepro/gen-mul-tables.cc: New file.
2443         * config/tilepro/linux.h: New file.
2444         * config/tilepro/mul-tables.c: New file.
2445         * config/tilepro/predicates.md: New file.
2446         * config/tilepro/t-tilepro: New file.
2447         * config/tilepro/tilepro-builtins.h: New file.
2448         * config/tilepro/tilepro-c.c: New file.
2449         * config/tilepro/tilepro-generic.md: New file.
2450         * config/tilepro/tilepro-modes.def: New file.
2451         * config/tilepro/tilepro-multiply.h: New file.
2452         * config/tilepro/tilepro-protos.h: New file.
2453         * config/tilepro/tilepro.c: New file.
2454         * config/tilepro/tilepro.h: New file.
2455         * config/tilepro/tilepro.md: New file.
2456         * config/tilepro/tilepro.opt: New file.
2457
2458 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2459
2460         PR tree-optimization/52210
2461         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2462         vect_model_simple_cost with two entry vect_def_type array instead
2463         of an address of dt.
2464
2465 2012-02-14  Richard Guenther  <rguenther@suse.de>
2466
2467         PR lto/52178
2468         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2469         Do not stream DECL_QUALIFIER.
2470         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2471         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2472         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2473
2474 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2475
2476         PR c/52181
2477         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2478         newdecl.
2479
2480 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2481
2482         PR bootstrap/52172
2483         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2484         * cselib.c (cselib_subst_to_values_from_insn): New function.
2485         * sched-deps.c (add_insn_mem_dependence,
2486         sched_analyze_1, sched_analyze_2): Use it.
2487
2488 2012-02-13  Jan Hubicka  <jh@suse.cz>
2489
2490         PR middle-end/52214
2491         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2492
2493 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2494
2495         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2496         (GTM_SELF_SPECS): Define if not already defined.
2497         (driver_self_specs): Add GTM_SELF_SPECS.
2498         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2499         (GTM_SELF_SPECS): Define.
2500         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2501         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2502
2503 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2504
2505         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2506         away if seen.
2507
2508         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2509
2510         PR middle-end/52230
2511         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2512         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2513
2514 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2515
2516         PR c/52190
2517         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2518
2519 2012-02-13  Richard Guenther  <rguenther@suse.de>
2520
2521         PR translation/52211
2522         * passes.c (enable_disable_pass): Fix typo.
2523
2524 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2525
2526         PR middle-end/52209
2527         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2528         XOR for reduce_bit_field if type is unsigned.
2529
2530 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2531
2532         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2533         disallow changes from SFmode to mode with different size in FP regs.
2534
2535 2012-02-12  Robert Millan  <rmh@gnu.org>
2536             Gerald Pfeifer <gerald@pfeifer.com>
2537
2538         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2539         Tweak comment.
2540
2541 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2542
2543         PR rtl-optimization/52175
2544         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2545         to frame-related instructions.
2546
2547 2012-02-10  Jason Merrill  <jason@redhat.com>
2548
2549         PR c++/51910
2550         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2551         (demangle_new_symbols): Fill it.
2552         (scan_linker_output): Walk it.
2553         (start_tweaking): Split out from scan_linker_output.
2554         (maybe_tweak): Update sym->chosen.
2555         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2556
2557 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2558
2559         PR debug/52132
2560         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2561
2562 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2563
2564         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2565         having the same mode as previous compare.
2566
2567 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2568
2569         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2570         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2571         (nonlocal_goto_internal): Likewise.
2572         (nonlocal_goto): Emit a use and an indirect jump directly.
2573
2574 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2575
2576         PR c/52190
2577         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2578         __atomic_{is,always}_lock_free.
2579
2580 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2581
2582         PR target/52146
2583         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2584         negative constant address for x32.
2585
2586 2012-02-10  Richard Henderson  <rth@redhat.com>
2587
2588         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2589         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2590         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2591
2592 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2593             Ira Rosen  <irar@il.ibm.com>
2594
2595         PR tree-optimization/50031
2596         * targhooks.c (default_builtin_vectorization_cost): Handle
2597         vec_promote_demote.
2598         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2599         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2600         all types of reduction and pattern statements.
2601         (vect_estimate_min_profitable_iters): Likewise.
2602         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2603         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2604         for explicit realigns.
2605         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2606         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2607         vec_promote_demote.
2608         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2609         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2610         vec_perm for VSX and handle vec_promote_demote.
2611
2612 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2613
2614         PR middle-end/52177
2615         * builtins.c (fold_builtin_atomic_always_lock_free,
2616         expand_builtin_atomic_always_lock_free,
2617         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2618         Return and/or test boolean_true_node/boolean_false_node instead of
2619         integer_one_node/integer_zero_node.
2620
2621 2012-02-10  Jan Hubicka  <jh@suse.cz>
2622
2623         PR middle-end/48600
2624         * predict.c (predict_paths_for_bb): Prevent looping.
2625         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2626
2627 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2628
2629         * config/arm/arm.c (output_move_double): In one case properly
2630         count number of instructions that will be emitted.
2631
2632 2012-02-10  Richard Guenther  <rguenther@suse.de>
2633
2634         PR translation/52193
2635         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2636
2637 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2638
2639         PR middle-end/52140
2640         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2641
2642 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2643
2644         PR debug/52165
2645         * var-tracking.c (emit_note_insn_var_location): If
2646         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2647         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2648         non-NOTE_DURING_CALL_P insn.
2649
2650 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2651
2652         PR middle-end/51867
2653         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2654
2655 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2656
2657         PR driver/48524
2658         * gcc.c (switch_matches) Support switches with separated form,
2659         -D and -U.
2660
2661 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2662
2663         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2664         (SP_ADDR): Ditto.
2665         (RAMPZ_ADDR): Ditto.
2666         * config/avr/avr.c (avr_addr_t): New typedef.
2667         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2668         (avr_init_expanders): Initialize it.
2669         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2670         SREG_ADDR.
2671         (expand_epilogue): Ditto.
2672         (avr_print_operand): Ditto.
2673         (avr_file_start): Ditto.
2674         (avr_emit_movmemhi): Ditto.
2675
2676 2012-02-08  Richard Guenther  <rguenther@suse.de>
2677
2678         PR tree-optimization/46886
2679         * tree-flow.h (do_while_loop_p): Declare.
2680         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2681         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2682
2683 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2684
2685         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2686         always succeed for integers larger than a native word.
2687
2688 2012-02-08  Richard Guenther  <rguenther@suse.de>
2689
2690         PR rtl-optimization/52170
2691         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2692         properly handle integer vector modes.
2693
2694 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2695
2696         PR gcov-profile/52150
2697         * coverage.c: Include target.h.
2698         (build_var): Call targetm.strip_name_encoding on the assembler name.
2699         Change one _ into . or $ if the target allows it.
2700         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2701
2702         PR rtl-optimization/52139
2703         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2704         is a BARRIER after emit_insn_after_noloc, move BB_END
2705         to the last non-BARRIER insn before it.
2706
2707 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2708
2709         PR middle-end/24306
2710         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2711         (mips_gimplify_va_arg_expr): Call it instead of
2712         std_gimplify_va_arg_expr.
2713
2714 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2715
2716         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2717         message for -mno-pointers-to-nested-function.
2718
2719 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2720
2721         PR middle-end/51994
2722         * expr.c (get_inner_reference): If there is an offset, add a negative
2723         bit position to it (if any).
2724
2725 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR rtl-optimization/52060
2728         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2729         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2730         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2731         and/or i0src_copy2 when needed.
2732
2733 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2734
2735         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2736         or LTOPLUGINSONAME if have_c.
2737
2738         * config/freebsd-spec.h: Add comment about what macros can be defined
2739         in this header.
2740         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2741         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2742         here instead.
2743
2744 2012-02-07  Richard Guenther  <rguenther@suse.de>
2745
2746         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2747         newline in -alias dumps.
2748
2749 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2750             Dave Korn  <dave.korn.cygwin@gmail.com>
2751
2752         PR target/40068
2753         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2754         Take care that typinfo gets dllexport-attribute.
2755
2756 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2757
2758         PR middle-end/52074
2759         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2760         if modifier < EXPAND_SUM call force_operand on the result.
2761
2762 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2763
2764         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2765         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2766         present.
2767         (epiphany_function_type): Replace types for specific interrupts with
2768         EPIPHANY_FUNCTION_INTERRUPT.
2769         (EPIPHANY_INTERRUPT_P): Update.
2770         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2771         New static function.
2772         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2773         <disinterrupt>: Affects type identity.
2774         (epiphany_handle_interrupt_attribute): Handle variable number of
2775         arguments.
2776         (epiphany_compute_function_type): Update for new
2777         epiphany_function_type definition.
2778         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2779         handlers with a longcall forwarder.
2780         (epiphany_start_function): Handle multiple interrupt arguments and/or
2781         forwarder_section attribute.
2782
2783         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2784         libgloss.
2785
2786 2012-02-07  Alan Modra  <amodra@gmail.com>
2787
2788         PR target/52107
2789         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2790         subregs of TFmode.
2791
2792 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2793
2794         PR tree-optimization/50969
2795         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2796         use vec_perm rather than vector_stmt.
2797         (vect_model_load_cost): Likewise.
2798         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2799         vec_perm to be the same as other vector statements.
2800         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2801         cost of vec_perm for TARGET_VSX.
2802
2803 2012-02-06  Richard Guenther  <rguenther@suse.de>
2804
2805         PR tree-optimization/52115
2806         * tree-sra.c (access_has_replacements_p): New function.
2807         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2808
2809 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2810
2811         PR middle-end/52047
2812         * trans-mem.c (expand_call_tm): Add an assertion.
2813         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2814         functions.
2815
2816 2012-02-06  Richard Guenther  <rguenther@suse.de>
2817
2818         PR tree-optimization/50955
2819         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2820         raise cost of expressions that replace an address with an
2821         expression based on a different pointer.
2822
2823 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2824
2825         PR target/52129
2826         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2827         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2828
2829 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2830
2831         PR c++/48680
2832         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2833         -Weffc++ and specify guidelines come from second edition.
2834
2835 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2836
2837         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2838         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2839         (call_direct_split, call_value_split, call_value_internal_direct)
2840         (call_value_direct_split, call_value_multiple_split): Use jal and
2841         jal_macro attributes.
2842
2843 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2844
2845         * reload1.c (reload_regs_reach_end_p): Replace with...
2846         (reload_reg_rtx_reaches_end_p): ...this function.
2847         (new_spill_reg_store): Update commentary.
2848         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2849         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2850         before setting new_spill_reg_store.
2851         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2852         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2853         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2854         for non-spill reload registers.
2855
2856 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2857
2858         PR tree-optimization/52091
2859         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2860         (vect_is_simple_use_1): Likewise.
2861         * tree-vect-loop.c (vectorizable_reduction): Update calls
2862         to vect_is_simple_use_1 and vect_is_simple_use.
2863         (vectorizable_live_operation): Likewise.
2864         * tree-vect-patterns.c (widened_name_p,
2865         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2866         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2867         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2868         vectorizable_shift,vectorizable_operation, vectorizable_store,
2869         vectorizable_load): Likewise.
2870         (vect_is_simple_cond): Add an argument, pass it to
2871         vect_is_simple_use_1.
2872         (vectorizable_condition): Update calls to vect_is_simple_cond,
2873         vect_is_simple_use.
2874         (vect_is_simple_use): Add an argument, the statement in which
2875         OPERAND is used.  Check that if OPERAND's def stmt is a double
2876         reduction phi node, the use is a phi node too.
2877         (vect_is_simple_use_1): Add an argument, pass it to
2878         vect_is_simple_use.
2879         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2880         to vect_is_simple_use.
2881
2882 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2883
2884         PR rtl-optimization/52095
2885         * modulo-sched.c (dump_insn_locator): New function.
2886         (loop_canon_p, sms_schedule): Use it.
2887
2888         PR rtl-optimization/52113
2889         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2890         even for decomposable shift/zext insns.
2891
2892 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2893             Zdenek Dvorak  <ook@ucw.cz>
2894
2895         PR rtl-optimization/52092
2896         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2897         on get_iv_value result.
2898
2899 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2900
2901         PR middle-end/47982
2902         PR middle-end/43967
2903         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2904
2905 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2906
2907         PR middle-end/48071
2908         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2909
2910 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2911
2912         PR rtl-optimization/49800
2913         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2914         (sched_finish): Call regstat_free_n_sets_and_refs.
2915
2916 2012-02-02  Jia Liu  <proljc@gmail.com>
2917
2918         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2919         than operand 2.
2920
2921 2012-02-02  Jan Hubicka  <jh@suse.cz>
2922             Tom de Vries  <tom@codesourcery.com>
2923
2924         PR middle-end/51998
2925         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2926         * varpool.c (varpool_analyze_pending_decls): Likewise.
2927
2928 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2929             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2930
2931         * config.gcc: Add cr16-* support.
2932
2933         * doc/extend.texi: Document cr16 extensions.
2934         * doc/install.texi: Document cr16 install.
2935         * doc/invoke.texi: Document cr16 options.
2936         * doc/md.texi: Document cr16 constraints.
2937
2938         * common/config/cr16/cr16-common.c: New file.
2939         * config/cr16/cr16.c: New file.
2940         * config/cr16/cr16.h: New file.
2941         * config/cr16/cr16.md: New file.
2942         * config/cr16/cr16.opt: New file.
2943         * config/cr16/cr16-protos.h: New file.
2944         * config/cr16/predicates.md: New file.
2945         * config/cr16/constraints.md: New file.
2946         * config/cr16/t-cr16: New file.
2947
2948 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2949
2950         PR target/52086
2951         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2952         that operands[2] is either immediate, or q_regs_operand.
2953
2954         PR tree-optimization/52073
2955         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2956         a pattern stmt for pattern uses, ignore uses outside of the loop.
2957
2958 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2959
2960         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2961         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2962         (OUT_AS1, OUT_AS2): Remove.
2963
2964 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2965
2966         PR rtl-optimization/51374
2967         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2968         to cross other volatile_refs_p insns.
2969
2970 2012-02-01  Richard Guenther  <rguenther@suse.de>
2971
2972         * doc/invoke.texi (fno-inline): Clarify documentation.
2973         (finline-small-functions): Likewise.
2974         (finline-functions): Likewise.
2975         * common.opt (finline): Adjust comment and documentation.
2976         (finline-small-functions): Clarify documentation.
2977         (finline-functions): Likewise.
2978         (finline-functions-called-once): Likewise.
2979
2980 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2981
2982         * c-typeck.c (composite_type): Keep mode for pointers.
2983
2984 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2985
2986         * function.h (regno_reg_rtx): Adjust comment.
2987         * reginfo.c (init_reg_modes_target): Only use the previous mode
2988         if it fits within one register.  Remove MIPS comment.
2989
2990 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR bootstrap/52058
2993         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2994
2995 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2996
2997         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2998         to srak instruction.
2999
3000 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3001
3002         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3003
3004 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3005
3006         PR bootstrap/52041
3007         PR bootstrap/52039
3008         PR target/51974
3009         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3010
3011 2012-01-31  Richard Guenther  <rguenther@suse.de>
3012
3013         PR tree-optimization/51528
3014         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3015         assigns.
3016
3017 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3018
3019         PR bootstrap/52041
3020         PR bootstrap/52039
3021         PR target/51974
3022         * ree.c (add_removable_extension): Change def_map argument
3023         to unsigned *, store in def_map 1 + offset into *insn_list vector
3024         instead of pointers into the vector.
3025         (find_removable_extensions): Adjust caller.
3026
3027 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3028
3029         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3030         Transform all "* quoted-c-code" to { c-code }.
3031         Remove redundant test for "optimize" in combine patterns.
3032         Move (include "avr-dimode.md") to end of file.
3033
3034 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3035
3036         PR target/51835
3037         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3038         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3039
3040 2012-01-30  Richard Guenther  <rguenther@suse.de>
3041
3042         PR tree-optimization/52028
3043         * tree-loop-distribution.c (ldist_gen): Properly update
3044         virtual SSA form.
3045
3046 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3047
3048         PR debug/52027
3049         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3050         set_cur_line_info_table if not emitting debug info.
3051
3052         PR tree-optimization/52046
3053         * tree-vect-patterns.c (check_bool_pattern): Give up if
3054         a comparison could throw.
3055
3056         PR debug/52048
3057         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3058
3059 2012-01-30  Richard Guenther  <rguenther@suse.de>
3060
3061         PR tree-optimization/52045
3062         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3063         SSA form if cfgcleanup did anything.
3064
3065 2012-01-30  Richard Guenther  <rguenther@suse.de>
3066
3067         PR tree-optimization/52045
3068         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3069         before computing final todo.
3070
3071 2012-01-30  Richard Guenther  <rguenther@suse.de>
3072
3073         PR tree-optimization/51528
3074         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3075         for PR51528 fix.
3076
3077 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3078
3079         * df-problems.c (df_kill_notes): Check that the use refers
3080         to the note under examination.
3081
3082 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3083
3084         PR target/51920
3085         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3086         parameter and use short-lived pseudos.
3087         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3088         (sparc_expand_vector_init): Const-ify local variables and adjust
3089         calls to above functions.
3090
3091 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3092
3093         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3094
3095 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3096
3097         * doc/invoke.texi: Make usage of "compile time" and
3098         "run time"/"runtime" consistent throughout the file.
3099
3100 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3101
3102         * config/alpha/alpha.c (alpha_option_override): Default to
3103         full IEEE compliance mode for Go language.
3104
3105 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3106
3107         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3108         (LINK_SSP_SPEC): Define.
3109
3110 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3111
3112         PR target/51871
3113         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3114         stubs.
3115
3116 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3117
3118         * doc/invoke.texi: Correct hyphenation of "floating point",
3119         "double precision", and related terminology throughout the file.
3120
3121 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR target/52006
3124         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3125         arm_general_register_operand predicate for operand 2 instead of
3126         register_operand.
3127
3128 2012-01-27  Ian Lance Taylor  <iant@google.com>
3129
3130         PR go/47656
3131         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3132         * builtins.c (expand_builtin_init_trampoline): Add onstack
3133         parameter.  Change caller.
3134         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3135         * tree.c (build_common_builtin_nodes): Declare
3136         __builtin_init_heap_trampoline.
3137
3138 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3139
3140         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3141         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3142         * config/avr/avr.c: Ditto.
3143         (avr_regnames): Remove because unused.
3144         * config/avr/avr.md (*cpse.ne): New peephole.
3145         (*cpse.eq): New peephole from former cpse peepholes.
3146
3147 2012-01-27  Michael Eager  <eager@eagercon.com>
3148
3149         * config/microblaze.c (microblaze_emit_compare): Correct
3150         test after pcmp instruction.
3151
3152 2012-01-27  Richard Guenther  <rguenther@suse.de>
3153
3154         PR tree-optimization/52020
3155         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3156
3157 2012-01-27  Richard Guenther  <rguenther@suse.de>
3158
3159         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3160         function non-const/pure.
3161
3162 2012-01-27  Richard Guenther  <rguenther@suse.de>
3163
3164         PR tree-optimization/50444
3165         * tree-sra.c (build_ref_for_offset): Properly adjust the
3166         MEM_REF type for unaligned accesses.
3167
3168 2012-01-27  Richard Guenther  <rguenther@suse.de>
3169
3170         PR tree-optimization/50444
3171         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3172         (expand_assignment): Use it.  Properly handle misaligned
3173         bases when expanding stores to component references.
3174         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3175         refactor that case.
3176
3177 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3178
3179         PR middle-end/51389
3180         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3181         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3182         * tree-data-ref.c (find_data_references_in_loop): Make static.
3183         (compute_all_dependences): Change return type to bool.  Bail out
3184         for too many datarefs in a loop.  Move the hunk resetting the data
3185         dependences vector from ...
3186         (compute_data_dependences_for_loop): ... here.  Account for
3187         compute_all_dependences returning false.
3188         (compute_data_dependences_for_bb): Likewise.
3189         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3190         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3191
3192 2012-01-27  Richard Guenther  <rguenther@suse.de>
3193
3194         PR middle-end/51959
3195         * expr.c (store_field): Use the alias-set of the scratch memory
3196         for storing to it.
3197
3198 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3199
3200         PR tree-optimization/51990
3201         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3202         WITH_SIZE_EXPR.
3203         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3204
3205 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3206
3207         PR debug/52001
3208         * var-tracking.c (reverse_op): Don't add any reverse operation
3209         if V already has any constant locations.
3210
3211 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3212
3213         * doc/invoke.texi: Correct usage of "command line" (noun)
3214         vs "command-line" (adjective) throughout.
3215
3216 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3217
3218         * doc/invoke.texi (Language Independent Options): Move
3219         -Wcoverage-mismatch blurb from here....
3220         (Warning Options): ...to here.
3221
3222 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3223
3224         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3225         Set rs6000_always_hint to false for 476.
3226
3227 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3228
3229         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3230           system root.
3231         * incpath.c (add_standard_paths): Likewise.
3232
3233 2012-01-27  Richard Henderson  <rth@redhat.com>
3234
3235         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3236         * config/m68k/sync.md (atomic_test_and_set): Rename from
3237         sync_test_and_setqi and adjust the operands.
3238         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3239         and unconditionally enable.
3240
3241 2012-01-27  Richard Henderson  <rth@redhat.com>
3242
3243         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3244         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3245         (ldstub): Rename from ldstubqi.
3246         (ldstub<I24MODE>): Remove.
3247
3248 2012-01-27  Richard Henderson  <rth@redhat.com>
3249
3250         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3251         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3252         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3253         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3254         * doc/tm.texi: Rebuild.
3255
3256 2012-01-27  Richard Henderson  <rth@redhat.com>
3257
3258         * optabs.c (gen_atomic_test_and_set): Remove default.
3259         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3260
3261 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3262
3263         PR rtl-optimization/51978
3264         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3265         (combine_reaching_defs): Likewise.
3266         (struct re_info): Remove.
3267         (add_removable_extension): Remove x and data arguments,
3268         add insn, insn_list and def_map.  Use the arguments directly
3269         instead of using struct re_info.
3270         (find_removable_extensions): Don't call add_removable_extension
3271         through note_stores, instead just call it with single_set
3272         result if non-NULL.
3273         (find_and_remove_re): Pass curr_cand->expr instead of
3274         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3275
3276 2012-01-26  Michael Matz  <matz@suse.de>
3277
3278         PR tree-optimization/46590
3279         * cfgexpand.c: Revert last change (r183305).
3280         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3281         regs.
3282         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3283         checking for emptiness.
3284
3285 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3286
3287         PR middle-end/51895
3288         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3289         non-addressable non-BLKmode base correctly.
3290
3291 2012-01-26  Michael Matz  <matz@suse.de>
3292
3293         PR tree-optimization/48794
3294         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3295         regions referenced from RESX/EH_DISPATCH.
3296
3297 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3298
3299         * config/s390/s390.h: Make BRANCH_COST an option.
3300         * config/s390/s390.opt: New option -mbranch-cost.
3301
3302 2012-01-26  Richard Henderson  <rth@redhat.com>
3303
3304         Revert 2012-01-24 change:
3305         * trans-mem.c (requires_barrier): Do not instrument thread local
3306         variables and emit save/restore for them.
3307
3308 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3309
3310         PR middle-end/51986
3311         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3312         for pat == 0.
3313
3314 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3315
3316         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3317         ASM_OPERANDS.
3318
3319 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3320
3321         PR target/49868
3322         Rename __pgm to __flash.
3323         Rename __pgm1 to __flash1.
3324         Rename __pgm2 to __flash2.
3325         Rename __pgm3 to __flash3.
3326         Rename __pgm4 to __flash4.
3327         Rename __pgm5 to __flash5.
3328         Rename __pgmx to __memx.
3329         * doc/extend.texi (AVR Named Address Spaces)
3330         Rename address space names as indicated above.
3331         * config/avr/avr.c (avr_addrspace): Ditto.
3332
3333         * config/avr/avr-protos.h
3334         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3335         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3336         * config/avr/predicates.md: Ditto.
3337         * config/avr/avr.c Ditto, and
3338         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3339         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3340
3341         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3342         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3343         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3344         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3345         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3346         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3347         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3348         * config/avr/avr.c: Ditto.
3349         * config/avr/avr.md: Ditto.
3350
3351 2012-01-25  Jason Merrill  <jason@redhat.com>
3352
3353         PR c++/51992
3354         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3355
3356 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3357
3358         PR tree-optimization/51987
3359         * tree-data-ref.c (get_references_in_stmt): Handle references in
3360         non-volatile GIMPLE_ASM.
3361
3362 2012-01-25  Richard Guenther  <rguenther@suse.de>
3363
3364         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3365         bases are dereferenced.
3366
3367 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3368
3369         PR rtl-optimization/48374
3370         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3371
3372 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3373
3374         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3375         compute_data_dependences_for_loop returns false.
3376         * tree-parloops.c (loop_parallel_p): Likewise.
3377
3378 2012-01-25  Richard Guenther  <rguenther@suse.de>
3379
3380         * tree.h (get_pointer_alignment_1): Declare.
3381         * builtins.c (get_pointer_alignment_1): New function.
3382         (get_pointer_alignment): Use it.
3383
3384 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3385
3386         PR rtl-optimization/48308
3387         * combine.c (enum undo_kind): Add UNDO_LINKS.
3388         (struct undo): Add member l to other_contents and where.
3389         (do_SUBST_LINK): New.
3390         (SUBST_LINK): New.
3391         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3392         (undo_all): Handle UNDO_LINKS.
3393
3394 2012-01-25  Richard Henderson  <rth@redhat.com>
3395
3396         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3397         mem inputs.
3398
3399 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3400
3401         * optabs.c (gen_atomic_test_and_set): Use each argument.
3402
3403 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3404
3405         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3406         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3407         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3408         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3409         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3410         TARGET_PAIRED_SINGLE_FLOAT.
3411
3412 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3413
3414         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3415         (in_struct, return_val): Remove MEM documentation.
3416         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3417         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3418         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3419         and MEM_SCALAR.
3420         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3421         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3422         * expr.c (store_field): Likewise.
3423         * function.c (assign_stack_temp_for_type): Likewise.
3424         * ifcvt.c (noce_try_cmove_arith): Likewise.
3425         * reload1.c (reload): Likewise.
3426         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3427         (alpha_set_memflags): Likewise.
3428         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3429
3430 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3431
3432         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3433         parameter.
3434         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3435         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3436         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3437         varies parameter.
3438         * cselib.c (cselib_rtx_varies_p): Delete.
3439         (cselib_invalidate_mem): Update call to canon_true_dependence.
3440         * dse.c (record_store, check_mem_read_rtx): Likewise.
3441         (scan_reads_nospill): Likewise.
3442         * cse.c (check_dependence): Likewise.
3443         (cse_rtx_varies_p): Delete.
3444         * expr.c (safe_from_p): Update call to true_dependence.
3445         * ira.c (validate_equiv_mem_from_store): Likewise.
3446         (memref_referenced_p): Likewise.
3447         * postreload-gcse.c (find_mem_conflicts): Likewise.
3448         * sched-deps.c (sched_analyze_2): Likewise.
3449         * store-motion.c (load_kills_store): Likewise.
3450         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3451         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3452         (compute_transp): Update call to canon_true_dependence.
3453
3454 2012-01-25  Richard Henderson  <rth@redhat.com>
3455
3456         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3457         (maybe_emit_atomic_test_and_set): New.
3458         (expand_sync_lock_test_and_set): Use it.
3459         (expand_atomic_test_and_set): Likewise.
3460         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3461         the implementation; clarify implementation defined details.
3462         * doc/md.texi (atomic_test_and_set): Document.
3463
3464 2012-01-25  Richard Henderson  <rth@redhat.com>
3465
3466         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3467
3468 2012-01-25  Richard Henderson  <rth@redhat.com>
3469
3470         PR target/51968
3471         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3472         to effect no-op split.
3473
3474 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3475
3476         PR lto/51698
3477         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3478         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3479         (BT_FN_VOID_PTR_INT_SIZE): New.
3480         (BT_FN_UINT_UINT_VAR): Remove.
3481         (BT_FN_UINT32_UINT32_VAR): New.
3482         (BT_FN_DOUBLE_VPTR): Remove.
3483         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3484
3485         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3486         (_ITM_changeTransactionMode): Same.
3487         (_ITM_memmoveRtWt): Change return type to void.
3488         (_ITM_memcpyRtWt): Same.
3489         (_ITM_memsetW): Same.
3490         (_ITM_RaRD): Change types to double.
3491         (_ITM_RD): Same.
3492         (_ITM_RaWD): Same.
3493         (_ITM_RfWD): Same.
3494
3495         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3496
3497 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3498             Patrick Marlier  <patrick.marlier@gmail.com>
3499
3500         * trans-mem.c (requires_barrier): Do not instrument thread local
3501         variables and emit save/restore for them.
3502
3503 2012-01-24  Jason Merrill  <jason@redhat.com>
3504
3505         PR c++/51812
3506         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3507         output static aliases.
3508
3509 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3510
3511         PR driver/47249
3512         * common.opt (-pie, -shared, pie, shared): Change from Common to
3513         Driver.
3514         * gcc.c (display_help): Display help for -pie and -shared.
3515
3516 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3517
3518         PR target/49868
3519         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3520         Remove note on size/offset limitation.
3521         (AVR Variable Attributes): Add example how to read data located
3522         with progmem.  Refer to named address spaces.
3523         * doc/invoke.texi (AVR Options): Fix typo.
3524
3525 2012-01-24  Richard Guenther  <rguenther@suse.de>
3526
3527         Forward-port to trunk
3528         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3529
3530         PR middle-end/45678
3531         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3532         op0 isn't sufficiently aligned and there is movmisalignM
3533         insn for mode, u