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1 2012-06-04  Richard Guenther  <rguenther@suse.de>
2
3         Backport from mainline
4         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
5  
6         PR middle-end/52979
7         * stor-layout.c (get_best_mode): Don't return mode with bitsize
8         larger than maxbits.  Don't compute maxbits modulo align.
9         Also check that unit bytes long store at bitpos / unit * unit
10         doesn't affect bits beyond bitregion_end.
11         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
12         would not fit into bitregion_start ... bitregion_end + 1 bit
13         region.
14         (store_split_bit_field): Decrease unit close to end of bitregion_end
15         if access is restricted in order to avoid mutual recursion.
16
17 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
18
19         Backport from 2012-06-04 mainline r188172
20
21         PR target/46261
22         * config/avr/avr-stdint.h: New file.
23         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
24         newlib-stdint.h
25
26 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
27
28         PR tree-optimization/53550
29         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
30         is POINTER_TYPE_P, use sizetype as step type instead of type.
31
32 2012-06-04  Richard Guenther  <rguenther@suse.de>
33             Eric Botcazou  <ebotcazou@adacore.com>
34
35         Backport from mainline
36         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
37
38         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
39         Change type of BITOFFSET to signed.  Make sure the lower bound of
40         the computed range is non-negative by adjusting OFFSET and BITPOS.
41         (expand_assignment): Adjust call to get_bit_range.
42
43         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
44
45         * expr.c (get_bit_range): Return the null range if the enclosing record
46         is part of a larger bit field.
47
48         2012-03-20  Richard Guenther  <rguenther@suse.de>
49
50         * stor-layout.c (finish_bitfield_representative): Fallback
51         to conservative maximum size if the padding up to the next
52         field cannot be computed as a constant.
53         (finish_bitfield_layout): If we cannot compute the distance
54         between the start of the bitfield representative and the
55         bitfield member start a new representative.
56         * expr.c (get_bit_range): The distance between the start of
57         the bitfield representative and the bitfield member is zero
58         if the field offsets are not constants.
59
60         2012-03-16  Richard Guenther  <rguenther@suse.de>
61
62         * stor-layout.c (finish_bitfield_representative): Fall back
63         to the conservative maximum size if we cannot compute the
64         size of the tail padding.
65
66         2012-03-14  Richard Guenther  <rguenther@suse.de>
67
68         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
69         * stor-layout.c (start_bitfield_representative): New function.
70         (finish_bitfield_representative): Likewise.
71         (finish_bitfield_layout): Likewise.
72         (finish_record_layout): Call finish_bitfield_layout.
73         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
74         for QUAL_UNION_TYPE fields.
75         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
76         Stream DECL_BIT_FIELD_REPRESENTATIVE.
77         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
78
79         PR middle-end/52080
80         PR middle-end/52097
81         PR middle-end/48124
82         * expr.c (get_bit_range): Unconditionally extract bitrange
83         from DECL_BIT_FIELD_REPRESENTATIVE.
84         (expand_assignment): Adjust call to get_bit_range.
85
86 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
87
88         PR middle-end/53501
89         * fold-const.c (fold_binary_loc): Refine previous change.
90
91 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
92
93         Backport from mainline
94         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
95
96         PR target/52667
97         * config/sh/sh.c (find_barrier): Add equality check of last_got to
98         avoid going above orig insn.  Update comments.
99
100 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
101
102         Backport from mainline
103         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
104
105         PR target/52642
106         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
107         prologue for unwinder and profiler.
108
109 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
110
111         Backport from mainline
112         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
113
114         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
115
116 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
117
118         Backport from mainline
119         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
120
121         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
122         DBX_REGISTER_NUMBER.
123
124 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
125
126         Backport from mainline
127         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
128
129         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
130         operand is CONST_INT.  Take COSTS_N_INSNS into account.
131         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
132         shiftcosts.     
133
134 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
135
136         * config/avr/avr.opt (-msp8): Document it.
137         * doc/invoke.texi (AVR Options): Copy from trunk docu.
138
139 2012-05-31  Richard Guenther  <rguenther@suse.de>
140
141         PR middle-end/48493
142         * expr.c (expand_assignment): Do not use movmisalign on
143         non-memory.
144
145 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
146
147         PR target/52999
148         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
149         (pa_section_type_flags): New.
150         (pa_legitimate_constant_p): Revert previous change.
151
152 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
153
154         Backport from mainline
155         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
156
157         PR middle-end/53008
158         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
159         accessed indirectly.
160         (ipa_tm_create_version): Same.
161
162 2012-05-30  Jason Merrill  <jason@redhat.com>
163
164         PR c++/53220
165         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
166         about array compound literals.
167
168 2012-05-30  Richard Guenther  <rguenther@suse.de>
169
170         PR middle-end/53501
171         * fold-const.c (fold_binary_loc): Make sure to call
172         fold_plusminus_mult_expr with the original sign of operands.
173
174 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
175
176         * explow.c (probe_stack_range): Restore simple control flow and stop
177         again when the probe cannot be generated if HAVE_check_stack.
178
179 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
180
181         PR rtl-optimization/53519
182         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
183         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
184
185 2012-05-29  Richard Guenther  <rguenther@suse.de>
186
187         PR tree-optimization/53516
188         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
189         bitfield accesses.
190         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
191
192 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
193
194         Backport from mainline
195         2012-05-28  Richard Guenther  <rguenther@suse.de>
196
197         PR tree-optimization/53438
198         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
199
200 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
201
202         Backport from mainline
203         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
204
205         PR rtl-optimization/52528
206         * combine.c (can_combine_p): Add setting of subst_low_luid
207         before call to expand_field_assignment().
208
209 2012-05-26  Martin Jambor  <mjambor@suse.cz>
210
211         Backport from mainline
212         2012-05-23  Martin Jambor  <mjambor@suse.cz>
213
214         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
215
216 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
217
218         PR lto/52178
219         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
220         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
221
222 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
223
224         PR target/53435
225         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
226         (ix86_expand_vec_perm): Use int mode instead of float.
227
228 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
229
230         PR ada/52362
231         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
232         gnu_ld variables to yes.
233         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
234         (HAVE_GNU_AS): Likewise.
235         * config.in: Regenerate.
236         * configure: Likewise.
237
238 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
239
240         Backport from mainline
241         2012-03-12  Richard Guenther  <rguenther@suse.de>
242         * config/arm/arm.c (neon_dereference_pointer): Do not call
243         covert during RTL expansion.
244
245 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
246
247         Backport from mainline
248         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
249
250         PR target/53385
251         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
252         relied on signed overflow behavior.
253
254 2012-05-24  Richard Guenther  <rguenther@suse.de>
255
256         PR middle-end/53460
257         * tree-profile.c (tree_profiling): Cleanup the CFG if
258         execute_fixup_cfg requests it.
259
260 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
261
262         PR tree-optimization/53465
263         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
264         vr0 into *vr, then vrp_meet that.
265         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
266         have any equivalences.
267         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
268         first time.
269
270 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
271
272         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
273         size handling.
274         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
275         (iterative_hash_gimple_type): Adjust comment.
276         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
277         domain for an array type instead of the domain type itself.
278
279 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
280
281         Backport from 2012-05-23 mainline r187803
282
283         PR target/53448
284         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
285         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
286         ASM_OUTPUT_ALIGN.
287
288 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
289
290         Backport from 2012-05-03 mainline r187075
291
292         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
293         has_fma4 for AMD processors with both fma3 and fma4 support.
294
295 2012-05-22  Richard Guenther  <rguenther@suse.de>
296
297         PR tree-optimization/53408
298         * tree-vect-loop.c (vectorizable_induction): Properly check
299         the restriction that we cannot handle induction results from
300         the inner loop outside of the outer loop.
301
302 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
303
304         PR tree-optimization/53436
305         * omp-low.c (omp_build_component_ref): New function.
306         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
307
308         PR tree-optimization/53366
309         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
310         tests if complex_numbers == 2, but there are non-complex number loads
311         too.
312
313         PR tree-optimization/53409
314         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
315         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
316
317         PR tree-optimization/53410
318         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
319         instead of build_int_cst (type, 0) where vector types might be
320         involved.
321
322 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
323
324         PR c/53418
325         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
326         from folded operands before wrapping another around the
327         conditional expression.
328
329 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
330             Patrick Marlier  <patrick.marlier@gmail.com>
331
332         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
333         indirect calls.
334
335 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
336
337         Backport from mainline
338         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
339
340         PR target/53416
341         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
342         (UNSPECV_RDRAND): This.
343         (rdrand<mode>_1): Updated.
344
345 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
346
347         Backport from mainline
348         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
349
350         * config/i386/driver-i386.c (host_detect_local_cpu): Support
351         RDRND, F16C and FSGSBASE.
352
353 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
354
355         Backport from mainline
356         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
357
358         * tree-ssa-pre.c (can_value_number_call): Delete.
359         (compute_avail): Skip all statements with side effects.
360         <GIMPLE_CALL>: Skip calls to internal functions.
361
362 2012-05-18  David S. Miller  <davem@davemloft.net>
363
364         Backport r185385 from mainline
365         2012-03-14  Richard Guenther  <rguenther@suse.de>
366
367         PR middle-end/52584
368         * tree-vect-generic.c (type_for_widest_vector_mode): Take
369         element type instead of mode, use build_vector_type_for_mode
370         instead of the langhook, build a vector of proper signedness.
371         (expand_vector_operations_1): Adjust.
372
373 2012-05-18  Olivier Hainque  <hainque@adacore.com>
374
375         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
376         $(libsubdir) as libexecsubdir.
377
378 2012-05-16  Andrew Pinski  <apinski@cavium.com>
379
380         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
381         GIMPLE_ASSIGN.
382
383 2012-05-16  David S. Miller  <davem@davemloft.net>
384
385         * jump.c (delete_related_insns): If we remove a CALL, make sure
386         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
387
388 2012-05-16  Richard Henderson  <rth@redhat.com>
389
390         PR debug/52727
391         * combine-stack-adj.c (prev_active_insn_bb): New.
392         (next_active_insn_bb): New.
393         (force_move_args_size_note): New.
394         (combine_stack_adjustments_for_block): Use it.
395
396 2012-05-16  Olivier Hainque  <hainque@adacore.com>
397
398         * Makefile.in (install-no-fixedincludes): New target, former toplevel
399         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
400         Add comments and improve stamp preservation across the whole sequence.
401         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
402
403 2012-05-16  Richard Guenther  <rguenther@suse.de>
404
405         PR tree-optimization/53364
406         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
407         detect a view-conversion of the decl.
408
409 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
410
411         PR target/53358
412         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
413         that operands[2] is either immediate, or q_regs_operand.
414
415 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
416
417         Backport r187139 from mainline.
418         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
419
420         PR rtl-optimization/52804
421         * reload1.c (reload_reg_reaches_end_p): Check whether successor
422         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
423         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
424         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
425         RELOAD_FOR_OUTADDR_ADDRESS.
426
427 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
428
429         PR target/46098
430         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
431         generate target register for "load" class builtins.
432
433         Revert:
434         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
435
436         PR target/46098
437         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
438         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
439         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
440         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
441         (<sse>_movu<ssemodesuffix>): New expander.
442         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
443         (avx_movdqu<avxmodesuffix>): New expander.
444         (*sse2_movdqu): Rename from sse2_movdqu.
445         (sse2_movdqu): New expander.
446
447 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
448
449         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
450         lineno 1 the same as lineno 0 before first start file directive.
451         (optimize_macinfo_range): Likewise.
452
453         * dwarf2out.c (have_macinfo): Define.
454         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
455         attribute, don't force empty compilation unit and don't emit any
456         .debug_macinfo/.debug_macro section if macinfo_table is empty.
457
458 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
459
460         Backport from mainline
461         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
462
463         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
464         ORDERED and UNORDERED conditions.
465
466 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
467
468         * function.c (requires_stack_frame_p): If the function can throw
469         non-call exceptions, return true if the insn can throw internally.
470
471 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
472
473         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
474         DECL_ORIGINAL_TYPE if it is present.
475
476 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
477
478         Backport from 2012-05-12 mainline r187342.
479
480         PR target/53256
481         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
482         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
483         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
484         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
485         (expand_prologue): Move initialization of cfun->machine->is_naked,
486         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
487         (avr_set_current_function): ...this new static function.
488         (TARGET_SET_CURRENT_FUNCTION): New define.
489         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
490         checking attributes of current_function_decl.
491         (avr_regs_to_save): Ditto.
492         (signal_function_p): Rename to avr_signal_function_p.
493         (interrupt_function_p): Rename to avr_interrupt_function_p.
494
495         * doc/extend.texi (Function Attributes): Better explanation of
496         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
497         alphabetical order.
498
499 2012-05-09  Matthias Klose  <doko@ubuntu.com>
500
501         * gcc-ar.c (main): Don't check for execute bits for the plugin.
502
503 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
504
505         PR target/53272
506         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
507         when a constant source operand matches an "I" constraint, the "no
508         CC0 change" applies to a register-destination only, not a
509         strict_low_part-destination.
510
511 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
512
513         Backport from mainline:
514         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
515
516         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
517
518 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
519
520         PR tree-optimization/53239
521         * tree-vrp.c (get_value_range): Set VR of
522         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
523         to nonnull.
524
525 2012-05-07  Richard Guenther  <rguenther@suse.de>
526
527         PR tree-optimization/53195
528         * tree-inline.c (setup_one_parameter): Properly add referenced
529         vars from the parameters new known value.
530
531 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
532
533         Backport from mainline:
534         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
535
536         PR target/52999
537         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
538         in constant pool.
539
540 2012-05-04  Ian Lance Taylor  <iant@google.com>
541
542         * tree-vect-patterns.c (vect_single_imm_use): Correct return
543         values from false to NULL.
544
545 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
546
547         Backport from mainline
548         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
549
550         PR target/53228
551         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
552         (TARGET_CMOV): Rename from TARGET_CMOVE.
553         (TARGET_CMOVE): New define.
554         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
555         Do not set TARGET_CMOVE here.
556
557 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
558
559         Backport from mainline:
560
561         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
562
563         PR tree-optimization/52633
564         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
565         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
566         (vect_recog_over_widening_pattern): Remove handling of code that was
567         already detected as over-widening pattern.  Remove special handling
568         of "unsigned" cases.  Instead, support general case of conversion
569         of the shift result to another type.
570
571         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
572
573         * tree-vect-patterns.c (vect_single_imm_use): New function.
574         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
575         (vect_recog_over_widening_pattern): Likewise.
576         (vect_recog_widen_shift_pattern): Likewise.
577
578         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
579
580         PR tree-optimization/52870
581         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
582         presumed pattern statement is within the same loop or basic block.
583
584 2012-05-04  Richard Guenther  <rguenther@suse.de>
585
586         * common.opt (flto-report): Do not mark as Optimization.
587
588 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
589
590         PR target/48496
591         * recog.c (constrain_operands): If extra constraints are present, also
592         accept pseudo-registers with equivalent memory locations during reload.
593
594 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
595
596         Backport from the mainline
597         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
598
599         PR target/53199
600         * config/rs6000/rs6000.md (bswapdi splitters): If
601         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
602         default) is used, generate an alternate sequence that does not
603         depend on using indexed addressing.
604
605 2012-05-03  David S. Miller  <davem@davemloft.net>
606
607         PR target/52684
608         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
609         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
610         (sparc_emit_float_lib_cmp): Likewise.
611
612 2012-05-04  Martin Jambor  <mjambor@suse.cz>
613
614         Backport from mainline
615         2012-05-02  Martin Jambor  <mjambor@suse.cz>
616
617         PR lto/52605
618         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
619         of a variable when the contect is a function.
620
621 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
622
623         PR plugins/53126
624         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
625         append program name to it and pass that as first argument
626         to make_relative_prefix.  Always pass standard_libexec_prefix
627         as last argument to make_relative_prefix.  If
628         make_relative_prefix returns NULL, fall back to
629         standard_libexec_prefix.
630
631         PR debug/53174
632         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
633         removed.
634
635         PR target/53187
636         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
637         mode, return that mode.
638
639 2012-05-03  Richard Guenther  <rguenther@suse.de>
640
641         PR tree-optimization/53144
642         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
643         Rename to ...
644         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
645         with SSA name values.
646         (vn_reference_lookup_3): Adjust callers.
647
648 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
649
650         PR tree-optimization/53163
651         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
652         return value from compute_all_dependences.
653
654         PR rtl-optimization/53160
655         * ree.c (combine_reaching_defs): Handle the case where cand->insn
656         has been modified by ree pass already.
657
658 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
659
660         Backport from mainline
661         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
662
663         PR middle-end/53136
664         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
665         calls to cgraph_node_name in xstrdup.
666         (ipa_make_edge_direct_to_target): Ditto.
667         * tree-sra.c (convert_callers_for_node): Ditto.
668         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
669         * ipa-cp.c (perhaps_add_new_callers): Ditto.
670         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
671         (cgraph_materialize_all_clones): Ditto.
672         * ipa-inline.c (report_inline_failed_reason): Ditto.
673         (want_early_inline_function_p): Ditto.
674         (edge_badness): Ditto.
675         (update_edge_key): Ditto.
676         (flatten_function): Ditto.
677         (ipa_inline): Ditto.
678         (inline_always_inline_functions): Ditto.
679         (early_inline_small_functions): Ditto.
680
681 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
682
683         Backport from mainline
684         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
685
686         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
687         Introduce emul_name to select the right linker emulation for
688         powerpc64-*-freebsd*.
689         * configure: Regenerate.
690         * config.gcc: Add bits to support powerpc64-*-freebsd*.
691         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
692         * config/rs6000/freebsd64.h: New file.
693         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
694         POWERPC_FREEBSD.
695         (rs6000_savres_strategy): Likewise.
696         (rs6000_savres_routine_name): Likewise.
697         (rs6000_elf_file_end): Likewise.
698         * config/rs6000/t-freebsd64: New file.
699         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
700         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
701
702 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
703
704         Backport from mainline
705         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
706
707         PR target/53138
708         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
709
710 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
711
712         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
713         predicate to discriminate types.
714
715 2012-04-27  Richard Guenther  <rguenther@suse.de>
716
717         PR c/51527
718         * convert.c (convert_to_integer): Avoid infinite recursion for
719         target-defined built-in types.
720
721 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
722
723         PR target/53120
724         * config/cris/cris.md ("*andhi_lowpart_v32")
725         ("*andqi_lowpart_v32"): Change first input-only operand from
726         a (match_operand ...) to (match_dup 0).  Drop alternatives with
727         const_int-matching constraints for redundancy.
728         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
729         three-operand alternative.
730
731 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
732
733         Backport from mainline
734         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
735
736         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
737         (*addsi_2_zext): Ditto.
738         (*add<mode>_3): Ditto.
739         (*addsi_3_zext): Ditto.
740         (*add<mode>_5): Ditto.
741
742 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
743
744         PR c/52880
745         * c-typeck.c (set_nonincremental_init,
746         set_nonincremental_init_from_string): Pass true instead of false
747         as IMPLICIT to add_pending_init.
748
749 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
750
751         Backport from 2012-04-24 mainline r186768.
752
753         PR target/53065
754         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
755
756 2012-04-24  Richard Guenther  <rguenther@suse.de>
757
758         PR tree-optimization/53085
759         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
760         stores.
761
762 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
763
764         PR middle-end/53084
765         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
766         of MEM_REF.
767         (output_addressed_constants): Likewise.
768
769         PR middle-end/52999
770         * varasm.c (get_section): Don't ICE for section conflicts with
771         built-in section kinds.
772
773 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
774
775         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
776
777 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
778
779         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
780
781 2012-04-23  Richard Guenther  <rguenther@suse.de>
782
783         PR c/53060
784         * c-typeck.c (build_binary_op): Fix typo.
785
786 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
787
788         PR tree-optimizations/52891
789         * tree-vect-patterns.c (adjust_bool_pattern): Use
790         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
791         but with non-standard precision.
792
793 2012-04-22  Ian Lance Taylor  <iant@google.com>
794
795         * godump.c (go_output_typedef): Dump size of structs.
796
797 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
798
799         Backport from mainline:
800
801         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
802         hints for 'A' operand types.
803
804 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
805
806         Backport from 2012-04-19 mainline r186588.
807
808         PR target/53033
809         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
810         the case *(X+const).
811
812 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
813
814         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
815
816 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
817
818         PR target/53020
819         * config/i386/sync.md (atomic_<code><mode>): Rename to
820         atomic_<logic><mode>.
821
822 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
823
824         Backport from mainline
825         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
826
827         PR target/52932
828         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
829         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
830         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
831         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
832         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
833         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
834         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
835         gen_avx2_permvarv8sf.
836
837 2012-04-16  Martin Jambor  <mjambor@suse.cz>
838
839         Backported from mainline
840
841         2012-04-13  Martin Jambor  <mjambor@suse.cz>
842         PR middle-end/52939
843
844         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
845         fold_ctor_reference returns a zero constant.
846
847 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
848
849         Backported from mainline
850         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
851
852         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
853         and __ILP32__ for x32.
854
855 2012-04-13  Tom de Vries  <tom@codesourcery.com>
856
857         Backport from mainline r186418.
858
859         2012-04-13  Tom de Vries  <tom@codesourcery.com>
860
861         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
862         parameters vuse and vuse_escaped.
863         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
864         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
865         vuse1 != vuse2.
866
867 2012-04-13  Richard Guenther  <rguenther@suse.de>
868
869         PR tree-optimization/52969
870         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
871         the condition for the COND_EXPR and handle predicate negation
872         by swapping the COND_EXPR arms.
873
874 2012-04-13  Richard Guenther  <rguenther@suse.de>
875
876         PR c/52862
877         * convert.c (convert_to_pointer): Remove special-casing of
878         zero.
879
880 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
881
882         Backport from mainline
883         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
884
885         PR target/52775
886         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
887         the list of options to enable the FCFID instruction.
888         (TARGET_EXTRA_BUILTINS): Adjust comment.
889
890 2012-04-12  Richard Guenther  <rguenther@suse.de>
891
892         PR tree-optimization/52943
893         * tree-chrec.h (chrec_is_positive): Remove.
894         * tree-scalar-evolution.c (chrec_is_positive): Move ...
895         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
896         Return false for a constant zero instead of negative.
897         (analyze_siv_subscript_cst_affine): Handle zero difference
898         in the initial condition explicitely.
899
900 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
901
902         PR middle-end/52894
903         * varasm.c (process_pending_assemble_externals): Set
904         pending_assemble_externals_processed true.
905         (assemble_external): Call assemble_external_real if the pending
906         assemble externals have been processed.
907
908 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
909
910         PR target/52717
911         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
912         the DECL generated for the special GOT helper.
913
914 2012-04-06  Walter Lee  <walt@tilera.com>
915
916         Backport from mainline
917         2012-03-07  Walter Lee  <walt@tilera.com>
918
919         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
920         REG_CFA_* notes for the stack pointer.
921         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
922         EH_RETURN_STACKADJ_RTX.
923         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
924         generate REG_CFA_* notes for the stack pointer.
925         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
926         by EH_RETURN_STACKADJ_RTX.
927
928 2012-04-06  Matt Turner  <mattst88@gmail.com>
929
930         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
931
932 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
933
934         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
935         of the destination isn't also a FP_REGS register.
936
937 2012-04-03  Richard Guenther  <rguenther@suse.de>
938
939         Backport from mainline
940         2012-03-02  Richard Guenther  <rguenther@suse.de>
941
942         PR tree-optimization/52406
943         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
944         (struct indices): Add unconstrained_base member.
945         (struct dr_alias): Remove unused vops member.
946         (DR_UNCONSTRAINED_BASE): New define.
947         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
948         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
949         be an artificial access that covers the whole indexed object,
950         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
951         plain decl base-objects to their MEM_REF variant.
952         (dr_may_alias_p): When the base-object of either data reference
953         has unknown size use only points-to information.
954         (compute_affine_dependence): Make dumps easier to read and
955         more verbose.
956         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
957         DR_REF when looking for packed references.
958         (vect_supportable_dr_alignment): Likewise.
959
960 2012-04-03  Richard Guenther  <rguenther@suse.de>
961
962         Backport from mainline
963         2012-03-15  Richard Guenther  <rguenther@suse.de>
964
965         PR middle-end/52580
966         * tree-data-ref.c (subscript_dependence_tester_1): Check
967         all dimensions for non-conflicting access functions.
968
969 2012-04-03  Richard Guenther  <rguenther@suse.de>
970
971         Backport from mainline
972         2012-03-06  Richard Guenther  <rguenther@suse.de>
973
974         PR middle-end/52493
975         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
976
977         2012-03-23  Richard Guenther  <rguenther@suse.de>
978
979         PR tree-optimization/52678
980         * tree-vectorizer.h (struct _stmt_vec_info): Add
981         loop_phi_evolution_part member.
982         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
983         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
984         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
985         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
986         Use the cached evolution part and the PHI nodes value from
987         the loop preheader edge instead of re-analyzing the evolution.
988
989         2012-03-26  Richard Guenther  <rguenther@suse.de>
990
991         PR tree-optimization/52701
992         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
993         compute and set the evolution part of PHI nodes.
994
995         2012-03-30  Richard Guenther  <rguenther@suse.de>
996
997         PR tree-optimization/52754
998         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
999         propagate arbitrary addresses into really plain dereferences.
1000
1001 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1002
1003         PR tree-optimization/52835
1004         * tree-data-ref.c (build_rdg): Return NULL if
1005         compute_data_dependences_for_loop failed.
1006
1007 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1008
1009         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1010         (stmt_can_make_abnormal_goto): Use it.
1011         (is_ctrl_altering_stmt): Likewise.
1012
1013 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1014
1015         Backported from mainline
1016         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1017
1018         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1019         is a builtin_stack_save in a dominating BB.
1020
1021 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1022
1023         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1024         crossing 128bit lane boundary.
1025
1026 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1027
1028         Backported from mainline
1029         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         PR target/52698
1032         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1033         New prototype.
1034         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1035         * config/i386/i386.c: Include reload.h.
1036         (ix86_legitimize_reload_address): New function.
1037
1038 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1039
1040         Backported from mainline
1041         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1042
1043         PR middle-end/52693
1044         * tree-sra.c (sra_modify_assign): Do not call
1045         load_assign_lhs_subreplacements when working with an unscalarizable
1046         region.
1047
1048 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR middle-end/52691
1051         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1052         __builtin_va_start to __builtin_next_arg if the latter is
1053         builtin_decl_explicit_p rather than when it is not.
1054
1055         PR middle-end/52750
1056         * tree-vect-generic.c (vector_element): Perform multiplication
1057         for pos in bitsizetype type instead of idx type.
1058
1059 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1060
1061         Backport from 2012-03-28 mainline r185910.
1062
1063         PR target/52692
1064         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1065         (avr_builtin_decl): New static function.
1066         (struct avr_builtin_description, avr_bdesc): Move up.
1067         Add GTY marker. Add field fndecl. Remove redundant field id.
1068         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1069         (avr_expand_builtin): Code cleanup because .id is removed.
1070
1071 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1072
1073         PR middle-end/51893
1074         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1075         targets.
1076
1077 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1078
1079         Backport from 2012-03-28 mainline r185907.
1080
1081         PR target/52737
1082         * config.gcc (tm_file): Remove avr/multilib.h.
1083
1084         * doc/invoke.texi (AVR Options): Adjust
1085         documentation of -mtiny-stack.
1086
1087         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1088         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1089         * config/avr/t-avr: Remove generation of multilib.h.
1090         * config/avr/t-multilib: Regenerate.
1091         * config/avr/multilib.h: Remove.
1092         * config/avr/avr.opt (-msp8): New option.
1093         (avr_sp8): New variable.
1094         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1095         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1096         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1097         (avr_device_to_sp8): New prototype.
1098         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1099         (DRIVER_SELF_SPECS): New define.
1100         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1101         __AVR_SP8__, __AVR_HAVE_SPH__.
1102         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1103         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1104         (avr_file_start): Ditto.
1105
1106 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR target/52736
1109         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1110         instead of 8 in adjust_address.
1111
1112 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1113
1114         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1115         of a unit before computing the offset in units.
1116
1117 2012-03-27  Richard Guenther  <rguenther@suse.de>
1118
1119         PR middle-end/52720
1120         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1121         explicitely.
1122
1123 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1124
1125         PR target/52610
1126         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1127
1128 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1129
1130         PR middle-end/52640
1131         * varasm.c: Include pointer-set.h.
1132         (pending_assemble_externals_set): New pointer set.
1133         (process_pending_assemble_externals): Destroy the pointer set.
1134         (assemble_external): See if decl is in pending_assemble_externals_set,
1135         and add it to pending_assemble_externals if necessary.
1136         (init_varasm_once): Allocate pending_assemble_externals_set.
1137
1138 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1139
1140         Backported from mainline
1141         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1142
1143         PR target/50310
1144         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1145         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1146         (vector_ltgt<mode>): Likewise.
1147         (vector_ordered<mode>): Likewise.
1148         (vector_unordered<mode>): Likewise.
1149         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1150
1151 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1152
1153         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1154         Make static.
1155
1156 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1157
1158         Backported from mainline
1159         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1160
1161         PR target/48596
1162         PR target/48806
1163         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1164         GENERAL_REGS and FP_REGS for SImode.
1165
1166 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1167
1168         PR middle-end/52547
1169         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1170         on any new_local_var_chain vars declared during recursing on
1171         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1172
1173 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1174
1175         Backport from 2012-03-22 mainline r185692.
1176
1177         PR target/52496
1178         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1179         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1180         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1181         (delay_cycles_1, delay_cycles_2): Ditto.
1182         (delay_cycles_3, delay_cycles_4): Ditto.
1183         (nopv, *nopv): Ditto.
1184         (sleep, *sleep): Ditto.
1185         (wdr, *wdr): Ditto.
1186
1187         Backport from 2012-03-21 mainline r185605.
1188
1189         PR rtl-optimization/52543
1190         PR target/52461
1191         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1192         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1193         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1194         (avr_load_libgcc_p): Restrict to __flash loads.
1195         (avr_out_lpm): Only handle 1-byte loads from __flash.
1196         (avr_load_lpm): New function.
1197         (avr_find_unused_d_reg): Remove.
1198         (avr_out_lpm_no_lpmx): Remove.
1199         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1200         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1201         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1202         (load_<mode>, load_<mode>_clobber): New insns.
1203         (mov<mode>): For multi-byte move from non-generic
1204         16-bit address spaces: Expand to load_<mode> resp.
1205         load_<mode>_clobber.
1206         (load<mode>_libgcc): Remove expander.
1207         (split-lpmx): Remove split.
1208
1209         Backport from 2012-03-13 mainline r185329.
1210
1211         PR target/52488
1212         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1213         offset (size) to a value the insns can deal with.
1214         (expand_epilogue): Ditto.
1215
1216         Backport from 2012-03-12 mainline r185256.
1217
1218         PR target/52499
1219         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1220         type from reg_class_t to enum reg_class.
1221         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1222
1223         Backport from 2012-03-12 mainline r185253.
1224
1225         PR target/52148
1226         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1227         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1228         r184615 from 2012-02-28.
1229
1230         Backport from 2012-03-08 mainline r185105.
1231
1232         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1233         for constants in [-63,63].
1234
1235         Backport from 2012-03-08 mainline r185100.
1236
1237         PR target/52496
1238         * config/avr/avr.c (avr_mem_clobber): New static function.
1239         (avr_expand_delay_cycles): Add memory clobber operand to
1240         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1241         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1242         (enable_interrupt, disable_interrupt): New expander.
1243         (nopv, sleep, wdr): New expanders.
1244         (delay_cycles_1): Add memory clobber.
1245         (delay_cycles_2): Add memory clobber.
1246         (delay_cycles_3): Add memory clobber.
1247         (delay_cycles_4): Add memory clobber.
1248         (cli_sei): New insn from former "enable_interrupt",
1249         "disable_interrupt" with memory clobber.
1250         (*wdt): New insn from former "wdt" with memory clobber.
1251         (*nopv): Similar, but for "nopv".
1252         (*sleep): Similar, but for "sleep".
1253
1254         Backport from 2012-03-07 mainline r185043.
1255
1256         PR target/52484
1257         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1258
1259         Backport from 2012-03-07 mainline r185032.
1260
1261         PR target/52506
1262         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1263         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1264         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1265
1266         Backport from 2012-03-07 mainline r185031.
1267
1268         PR target/52505
1269         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1270         from RAM.
1271         * config/avr/avr.md (xload_8): Adjust insn length.
1272
1273         Backport from 2012-03-07 mainline r185030.
1274
1275         PR target/52461
1276         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1277         if RAMPZ affects reading from RAM.
1278
1279         Backport from 2012-03-05 mainline r184919.
1280
1281         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1282
1283 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1284
1285         Backport from mainline r185259.
1286
1287         PR other/52545
1288         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1289         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1290
1291 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1292
1293         Backported from mainline
1294         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1295
1296         PR c/52577
1297         * c-parser.c (c_parser_postfix_expression)
1298         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1299
1300         * config/i386/smmintrin.h: Avoid /* within a comment.
1301         * config/i386/nmmintrin.h: Likewise.
1302
1303 2012-03-22  Richard Guenther  <rguenther@suse.de>
1304
1305         * BASE-VER: Set to 4.7.1.
1306         * DEV-PHASE: Set to prerelease.
1307
1308 2012-03-22  Release Manager
1309
1310         * GCC 4.7.0 released.
1311
1312 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1313
1314         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1315
1316 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1317             Andrew Pinski  <apinski@cavium.com>
1318
1319         PR middle-end/52592
1320         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1321         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1322         calls instead of __builtin_ir{int,ound}*.
1323
1324 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1325
1326         PR c++/52582
1327         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1328         if c_node is NULL.
1329
1330 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1331
1332         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1333         Refer to GCC 4.7 version of c99status.html.
1334
1335 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1336
1337         Backport from mainline
1338         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1339
1340         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1341         redefine to be NULL if the current bit-size is different from the
1342         configured bit-size.
1343
1344         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1345         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1346         set the default tuning.  Add asserts to make sure the cpu and tune
1347         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1348         test whether the index is set, instead of > 0.
1349         (rs6000_file_start): Do not reset the default cpu if the current
1350         bit-size is different from the configured bit-size.
1351
1352 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1353
1354         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1355         binutils reference.
1356         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1357         Update binutils references.
1358         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1359         Update binutils reference.
1360         Update Sun as/GNU ld caveat.
1361         Document binutils largefile requirement for LTO plugin.
1362         Remove reference to alternate libpthread.
1363
1364 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1365
1366         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1367         reference.
1368         (Specific, mips-sgi-irix6): Likewise.
1369
1370 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1371
1372         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1373         * configure: Regenerate.
1374
1375 2012-03-07  Richard Henderson  <rth@redhat.com>
1376
1377         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1378         * config/m68k/sync.md (atomic_test_and_set): Use it.
1379         (atomic_test_and_set_1): Likewise.
1380
1381 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1382
1383         PR target/51417
1384         * Makefile.in: Let install-gcc-ar depend on installdirs,
1385         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1386         Don't double canonicalize if cross-compiling.
1387
1388 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1389
1390         * trans-mem.c: New typedef for tm_region_p.
1391         Define vector types for tm_region_p.
1392         (tm_region_init): Replace region_worklist to a vector called
1393         bb_regions.
1394
1395 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1396
1397         PR middle-end/52463
1398         * trans-mem.c (tm_region_init): Use last_basic_block.
1399
1400 2012-03-05  Richard Henderson  <rth@redhat.com>
1401
1402         PR tree-opt/52242
1403         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1404         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1405         BIGGEST_ALIGNMENT is aligned.
1406
1407 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1408
1409         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1410
1411 2012-03-05  Richard Henderson  <rth@redhat.com>
1412
1413         PR target/52481
1414         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1415         instead of calling negqi2 directly.
1416
1417 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1418
1419         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1420         (INTMAX_TYPE): Use it.
1421         (UINTMAX_TYPE): Likewise.
1422         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1423         (irix6_c_common_override_options): Declare.
1424         (C_COMMON_OVERRIDE_OPTIONS): Define.
1425         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1426         * config/mips/irix6-c.c: New file.
1427         * config/mips/t-irix6 (irix6-c.o): New target.
1428         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1429         cxx_target_objs.
1430
1431 2012-03-02  Richard Henderson  <rth@redhat.com>
1432
1433         * optabs.c (expand_atomic_test_and_set): Honor
1434         atomic_test_and_set_trueval even when atomic_test_and_set
1435         optab is not in use.
1436
1437 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1438
1439         Backport from mainline
1440         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1441
1442         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1443
1444 2012-03-02  Richard Guenther  <rguenther@suse.de>
1445
1446         * DEV-PHASE: Set to prerelease.
1447
1448 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1449
1450         * config.gcc (obsolete): Add all ARM targets using the FPA.
1451         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1452         * doc/install.texi: Avoid references to obsolete ARM ports.
1453
1454 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1455
1456         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1457
1458 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1459             Joern Rennecke  <joern.rennecke@embecosm.com>
1460
1461         * doc/extend.texi: Expand and update information on interrupt
1462         attribute for Epiphany.
1463
1464 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1465
1466         * config/sh/sh-protos.h: Update copyright notice dates.
1467         * config/sh/sh.h: Likewise.
1468         * config/sh/sh.md: Likewise.
1469         * config/sh/constraints.md: Likewise.
1470         * config/sh/predicates.md: Likewise.
1471
1472 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1473
1474         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1475         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1476
1477 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1478
1479         * config/sh/constraints.md: Fix comment typo.
1480
1481 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1482
1483         PR target/52408
1484         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1485         unsigned HOST_WIDE_INT.
1486         (zvdep_imm64): Likewise.
1487         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1488         (vdepi_and): Likewise.
1489         Likewise for unamed 64-bit patterns.
1490         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1491
1492 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1493
1494         PR debug/52001
1495         PR rtl-optimization/52417
1496         * cselib.c (cselib_any_perm_equivs): New variable.
1497         (cselib_reset_table): Check that it's not set when not
1498         preserving constants.
1499         (cselib_add_permanent_equiv): Set it.
1500         (cselib_have_permanent_equivalences): New.
1501         (cselib_init, cselib_finish): Reset it.
1502         * cselib.h (cselib_have_permanent_equivalences): Declare.
1503         * alias.c (get_addr): Restore earlier behavior when there
1504         aren't permanent equivalences.
1505
1506 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1507
1508         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1509         * config/v850/v850-modes.def: Fix copyright notice.
1510
1511 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1512
1513         * doc/extend.texi (AVR Built-in Functions): Document
1514         __builtin_avr_flash_segment.
1515
1516         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1517         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1518         (*split.flash_segment): New insn-and-split.
1519         * config/avr/avr.c (avr_init_builtins): Add local variables:
1520         const_memx_void_node, const_memx_ptr_type_node,
1521         char_ftype_const_memx_ptr.
1522
1523 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1524
1525         PR tree-optimization/52445
1526         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1527         add ssa_name_ver, offset and size fields and change store field
1528         to bool.
1529         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1530         (add_or_mark_expr): Likewise.  Only consider previous stores
1531         with the same size and offset.
1532         (nt_init_block): Only look at gimple_assign_single_p stmts,
1533         doesn't look at rhs2.
1534
1535 2012-03-01  Richard Guenther  <rguenther@suse.de>
1536
1537         PR middle-end/52443
1538         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1539         conversions from integral types to pointer types.
1540
1541 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1542
1543         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1544         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1545         unintentionally removed in r184616.
1546
1547 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1548
1549         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1550         3DNow from bdver1.
1551
1552 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1553             Uros Bizjak  <ubizjak@gmail.com>
1554
1555         PR target/52437
1556         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1557         alternatives, add "e" constraint to the new last alternative
1558         and ! to last 3 alternatives.
1559
1560 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1561
1562         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1563         DW_AT_artificial attributes at the end of the processing.
1564         (gen_array_type_die): Likewise.
1565         (gen_enumeration_type_die): Likewise.
1566         (gen_struct_or_union_type_die): Likewise.
1567         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1568         the parent type.
1569
1570 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1571
1572         PR middle-end/52419
1573         * expr.c (expand_assignment): If doing misaligned store that doesn't
1574         cover all mode bits, perform a RMW cycle.
1575
1576         PR tree-optimization/52429
1577         * tree-parloops.c (separate_decls_in_region_debug): Return early
1578         if var is LABEL_DECL.
1579
1580 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1581
1582         PR tree-optimization/52424
1583         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1584         calling dom_thread_across_edge.
1585
1586 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1587
1588         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1589
1590 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1591
1592         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1593         * config/avr/avr.c (avr_output_bld): Remove unused function.
1594         (avr_out_sbxx_branch): Use "%T" to print bit position.
1595
1596 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1597
1598         * config/avr/avr.md: Untabify.
1599
1600 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1601
1602         * config/avr/avr.md (eqne): New code iterator.
1603         (*dec-and-branchsi): Use it in text peephole's condition.
1604         (*dec-and-branchhi): Ditto.
1605         (*dec-and-branchqi): Ditto.
1606
1607 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1608
1609         PR target/49939
1610         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1611         the device does not have the skip-bug.
1612
1613 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1614
1615         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1616         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1617         -mpretend-cmove): New.
1618
1619 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR bootstrap/52397
1622         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1623         doesn't count DEBUG_INSN refs.
1624         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1625         for DEBUG_INSN refs.
1626
1627 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1628
1629         Partially revert:
1630
1631         2012-02-20  Richard Guenther  <rguenther@suse.de>
1632         PR tree-optimization/52298
1633         * tree-vect-stmts.c (vectorizable_load): Properly use
1634         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1635         outer loops.
1636
1637 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1638
1639         PR middle-end/51752
1640         * gimple.h (gimple_in_transaction): New.
1641         (gimple_set_in_transaction): New.
1642         (struct gimple_statement_base): Add in_transaction field.
1643         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1644         transaction loads.
1645         (tree_ssa_lim_initialize): Compute transaction bits.
1646         * tree.h (compute_transaction_bits): Protoize.
1647         * trans-mem.c (tm_region_init): Use the heap to store BB
1648         auxilliary data.
1649         (compute_transaction_bits): New.
1650
1651 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1652
1653         * gcc.c (display_help): Document --help=common and sort entries
1654         alphabetically.
1655
1656 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1657
1658         * doc/install.texi: Document check-$LANG specific shortcuts
1659
1660 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1661
1662         PR target/51534
1663         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1664         and vcgtu.
1665         * config/arm/arm_neon.h: Regenerate.
1666         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1667         (neon_vcgeu): New insn.
1668         (neon_vcgtu): Likewise.
1669         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1670         (ops): Unsigned comparison intrinsics call a different
1671         builtin.
1672
1673 2012-02-28  Richard Guenther  <rguenther@suse.de>
1674
1675         PR target/52407
1676         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1677         ordering for the VEC_CONCAT for two element vectors for
1678         V2SFmode, V2SImode and V2DImode.
1679
1680 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1681
1682         PR target/49448
1683         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1684         detecting big-endian triplets.
1685
1686 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1687
1688         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1689         mode if there is no type information available.
1690
1691 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1692
1693         PR tree-optimization/53207
1694         * doc/invoke.texi: Document as experimental and relying on graphite.
1695
1696 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1697
1698         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1699         of initializer to changes from r184614.
1700
1701 2012-02-28  Richard Guenther  <rguenther@suse.de>
1702
1703         PR tree-optimization/52395
1704         * tree-sra.c (build_ref_for_offset): Also look at the base
1705         TYPE_ALIGN when figuring out the alignment of the replacement.
1706
1707 2012-02-28  Richard Guenther  <rguenther@suse.de>
1708
1709         PR tree-optimization/52402
1710         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1711         mis-aligned types when creating the accesses at the call site.
1712
1713 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1714
1715         * config/avr/builtins.def: New file.
1716         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1717         * config/avr/avr.c (enum avr_builtin_id): Use it.
1718         (avr_init_builtins): Use it. And use avr_bdesc.
1719         (bdesc_1arg): Remove.
1720         (bdesc_2arg): Remove.
1721         (bdesc_3arg): Remove.
1722         (struct avr_builtin_description): Add field n_args.
1723         (avr_bdesc): New static variable using builtins.def.
1724         (avr_expand_builtin): Use it.
1725         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1726         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1727         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1728
1729 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1730
1731         PR target/52148
1732         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1733         match only one single hard register with respective hard reg rtx.
1734         (movmemx_<mode>): Ditto.
1735         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1736         insn anatomy of movmem[x]_<mode>.
1737         (avr_out_movmem): Same for printing assembler and operand usage.
1738
1739 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1740
1741         PR target/49868
1742         PR target/52261
1743         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1744         address spaces located outside of device flash.
1745
1746         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1747         (mcu_type_s): Add field n_flash.
1748         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1749         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1750         (AVR_MCU): Add N_FLASH argument.
1751         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1752         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1753         macro __FLASH<n> if that address space makes sense for the device.
1754         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1755         outside of target flash.
1756         (avr_asm_named_section): Ditto.
1757         (avr_asm_select_section): Ditto.
1758         (avr_addr_space_convert): Ditto.
1759         (avr_emit_movmemhi): Ditto.
1760         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1761         address space is outside of device flash.
1762         (avr_insert_attributes): Ditto.
1763         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1764         avr_current_arch->n_segments.
1765
1766 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1767
1768         PR target/52352
1769         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1770         TARGET_LP64.
1771         (*movabs<mode>_2): Likewise.
1772
1773 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1774
1775         PR target/52375
1776         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1777         s_register_operand in the test instead of REG_P.  Don't call
1778         gen_reg_rtx if it won't be used.
1779
1780         PR tree-optimization/52376
1781         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1782
1783 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1784
1785         * ifcvt.c (noce_get_condition): Check condition variable is not
1786         small_register_classes_for_mode_p before accepting.
1787
1788 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1791
1792 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1793
1794         Revert:
1795         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1796         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1797         tuning parameters.
1798         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1799
1800 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1801
1802         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1803
1804 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1805
1806         * config/sh/predicates.md: Remove blank lines.
1807         * config/sh/sh.c: Fix typos in comments.
1808         * config/sh/constraints.md: Likewise.
1809         * config/sh/sh.md: Remove blank lines.
1810         Fix typos in comments.  Use ;; as comment characters.
1811
1812 2012-02-26  Walter Lee  <walt@tilera.com>
1813
1814         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1815         (replace_mov_pcrel_step2): Ditto.
1816
1817 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1818
1819         PR debug/52001
1820         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1821         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1822         and locs that reference values newer than the non-canonical value
1823         at hand.  Return the canonical value as a worst case.
1824         (memrefs_conflict_p): Walk canonical value's locs.
1825
1826         PR debug/52001
1827         * cselib.c (preserve_only_constants): Rename to...
1828         (preserve_constants_and_equivs): ... this.  Split out...
1829         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1830         of other preserved expressions too.
1831         (cselib_reset_table): Adjust.
1832         * var-tracking.c (reverse_op): Use canonical value to build
1833         reverse operation.
1834
1835 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1836
1837         * config/i386/i386.c (ix86_delegitimize_address): Handle
1838         UNSPEC_PCREL plus displacement.
1839
1840 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1841
1842         PR target/52261
1843         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1844         to test for unusedness in st X addressing.
1845
1846 2012-02-24  Richard Guenther  <rguenther@suse.de>
1847
1848         PR middle-end/52361
1849         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1850         (is_gimple_reg_type): Move inline ...
1851         * gimple.h (is_gimple_reg_type): ... here.
1852
1853 2012-02-24  Richard Guenther  <rguenther@suse.de>
1854
1855         PR middle-end/52361
1856         * passes.c (execute_function_todo): When verifying SSA form
1857         verify gimple form first.
1858         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1859
1860 2012-02-24  Richard Guenther  <rguenther@suse.de>
1861
1862         PR middle-end/52355
1863         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1864         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1865
1866 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1867
1868         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1869
1870 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1871
1872         * tree-phinodes.c (make_phi_node): Mark static.
1873         * tree-flow.h (make_phi_node): Remove extern decl.
1874         * doc/gimple.texi (make_phi_node): Remove documentation.
1875
1876 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1877
1878         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1879         * tree-ssa-sccvn.c (print_scc): Ditto.
1880
1881 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1882
1883         * doc/passes.texi (Full redundancy elimination): Fix typo.
1884
1885 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1886
1887         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1888
1889 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1890
1891         PR bootstrap/52287
1892         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1893
1894 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1895
1896         PR c/52290
1897         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1898
1899 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1900
1901         * config/avr/avr.md (code_stdname): Add ior, xor.
1902         (xior): New code iterator.
1903         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1904         (*<code_stdname><mode>qi.byte1-3): Ditto.
1905
1906 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1907
1908         PR tree-optimization/52019
1909         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1910         CLOBBER stmts.
1911
1912 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1913
1914         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1915         HAVE_INITFINI_ARRAY to work around namespace pollution in
1916         certain versions of newlib system headers.
1917         * config.in: Regenerate.
1918         * configure: Regenerate.
1919         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1920         instead of HAVE_INITFINI_ARRAY.
1921
1922 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1923
1924         PR target/52330
1925         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1926         is not offsettable memory reference.
1927
1928 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1929
1930         PR target/18145
1931         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1932         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1933
1934 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1935
1936         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1937         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1938
1939 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1940
1941         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1942         library on Solaris 8 even without TLS support.
1943         * configure: Regenerate.
1944
1945 2012-02-22  Richard Guenther  <rguenther@suse.de>
1946
1947         PR middle-end/52329
1948         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1949         for GIMPLE_DEBUG stmts.
1950
1951 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1952
1953         PR middle-end/51782
1954         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1955         according to the base object.
1956
1957 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1958
1959         PR rtl-optimization/50063
1960         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1961         and 2 (8-bit SP) in operand 2.
1962         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1963         setup to use movhi_sp_r instead of vanilla move to write SP.
1964         Adjust REG_CFA notes to superseed unspec.
1965         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1966         of vanilla move.
1967         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1968         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1969         irq_state 1 (IRQ known to be on) here.
1970
1971 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1972
1973         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1974         WORDS_BIG_ENDIAN.
1975         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1976         assign_hard_reg): Likewise.
1977
1978 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1979
1980         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1981
1982 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1983
1984         * config/avr/avr.md
1985         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1986         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1987
1988 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1989
1990         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1991         prototype from here to...
1992         * config/avr/avr.h: ...here.
1993
1994 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1995
1996         PR target/52294
1997         * thumb2.md (thumb2_shiftsi3_short): Split register and
1998         immediate shifts.  For register shifts tie operands 0 and 1.
1999         (peephole2 for above): Check that register-controlled shifts
2000         have suitably tied operands.
2001
2002 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2003
2004         PR target/52137
2005         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2006         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2007         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2008         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2009         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2010         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2011         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2012         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2013         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2014         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2015         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2016         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2017         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2018         bdver1_ssevector_avx256_unaligned_load,
2019         bdver1_ssevector_sse128_unaligned_load,
2020         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2021         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2022         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2023         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2024         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2025         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2026         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2027         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2028         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2029         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2030         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2031         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2032         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2033         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2034         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2035         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2036         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2037         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2038         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2039         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2040         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2041         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2042         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2043         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2044         bdver1_ssediv_double_load, bdver1_ssediv_double,
2045         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2046         Add "bdver2" attribute.
2047
2048 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2049
2050         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2051         default if possible and not specified otherwise.
2052
2053 2012-02-21  Richard Guenther  <rguenther@suse.de>
2054
2055         PR middle-end/52314
2056         * gimplify.c (create_tmp_from_val): Use the main variant type
2057         for the type of the temporary we create.
2058
2059 2012-02-21  Richard Guenther  <rguenther@suse.de>
2060
2061         PR tree-optimization/52324
2062         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2063         do not gimplify a MEM_REF address operand if it is already
2064         in suitable form.
2065
2066 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2067
2068         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2069         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2070
2071 2012-02-21  Richard Guenther  <rguenther@suse.de>
2072
2073         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2074         nested_in_vect_loop.
2075
2076 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2077
2078         PR tree-optimization/52318
2079         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2080         vdef also to non-pure/const call stmts in the sequence.
2081
2082 2012-02-20  David S. Miller  <davem@davemloft.net>
2083
2084         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2085         don't use the "rd %pc" instruction on v9 for PIC register loads.
2086
2087 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2088
2089         PR middle-end/52141
2090         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2091         in a transaction safe function.
2092
2093 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2094
2095         PR target/52238
2096         * stor-layout.c (place_field): Handle desired_align for
2097         ms-bitfields, too.
2098
2099 2012-02-20  Richard Guenther  <rguenther@suse.de>
2100
2101         PR tree-optimization/52298
2102         * tree-vect-stmts.c (vectorizable_store): Properly use
2103         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2104         outer loops.
2105         (vectorizable_load): Likewise.
2106         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2107         Access DR_STEP after ensuring it is not NULL.
2108
2109 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2110
2111         PR tree-optimization/52286
2112         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2113         optimization use double_int_to_tree instead of build_int_cst_wide,
2114         rewrite to use double_int vars.
2115
2116 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2117
2118         PR target/50166
2119         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2120         Define _start.
2121         Remove -e 0 from $gcc_cv_ld invocation.
2122         Only use __GLIBC_PREREQ if defined.
2123         Enable on Solaris since Solaris 8 patch.
2124         (gcc_SUN_LD_VERSION): New macro.
2125         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2126         gcc_SUN_LD_VERSION for version number format.
2127         * configure: Regenerate.
2128         * varasm.c (get_elf_initfini_array_priority_section): Set
2129         SECTION_NOTYPE for non-default priority.
2130         Use get_section instead of get_unnamed_section to emit
2131         .init_array/.fini_array with default priority.
2132
2133 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2134
2135         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2136         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2137         (mips_start_unique_function, mips_output_mips16_rdhwr)
2138         (mips_code_end): New functions.
2139         (TARGET_ASM_CODE_END): Define.
2140
2141 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2142
2143         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2144         to stubs with non-sibling calls.
2145
2146 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2147
2148         * doc/invoke.texi (-fira-* options): Copy-edit.
2149         (ira-* parameters): Copy-edit.
2150
2151 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2152
2153         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2154         GCC coding conventions.
2155
2156 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2157
2158         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2159         when used as adjectives.
2160
2161 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2162
2163         * doc/invoke.texi: Clean up "that"/"which" confusion.
2164
2165 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2166
2167         * system.h: Poison SMALL_REGISTER_CLASSES
2168         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2169         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2170
2171 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2172
2173         PR tree-optimization/52285
2174         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2175         when deciding if a call is a tail call or tail recursion.
2176
2177 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2178
2179         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2180         interger-constant displacement for UNSPEC_PCREL.
2181
2182 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2183
2184         PR rtl-optimization/52208
2185         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2186         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2187
2188         PR tree-optimization/52255
2189         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2190         loop->header has virtual PHI, but exit_e->dest doesn't, add
2191         virtual PHI to exit_e->dest and adjust all uses after the loop.
2192
2193         PR debug/52260
2194         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2195         children with clone_tree_hash, not after it.
2196
2197 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2198
2199         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2200         extended identifiers.
2201
2202 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2203
2204         PR middle-end/51929
2205         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2206         a same_body_alias, also test whether e->callee isn't a former
2207         or current clone of the decl this is a same body alias of.
2208
2209         PR translation/52264
2210         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2211
2212 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2213
2214         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2215
2216 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2217
2218         PR target/52199
2219         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2220         force_reg instead of copy_to_reg for better optimization.  Force
2221         non-register or memory operands into a register.
2222
2223 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2224
2225         * extend.texi: Reserve upper bits of memory model for future use.
2226
2227 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2228             Anatoly Sokolov <aesok@post.ru>
2229             Eric Weddington <eric.weddington@atmel.com>
2230
2231         PR target/52261
2232         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2233         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2234         Rewrite initializers for .macro.
2235         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2236         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2237         atxmega32d4, atxmega32x1.
2238         avrxmega4: atxmega64a3, atxmega64d3.
2239         avrxmega5: atxmega64a1, atxmega64a1u.
2240         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2241         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2242         avrxmega7: atxmega128a1, atxmega128a1u.
2243         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2244         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2245         (struct base_arch_s): Rename reserved to xmega_p.
2246         Rename reserved2 to have_rampd.
2247         (AVR_XMEGA): New define.
2248         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2249         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2250         * config/avr/predicates.md (io_address_operand): Take into
2251         account SFR offset.
2252         (low_io_address_operand): Ditto.
2253         (high_io_address_operand): Ditto.
2254         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2255         (enabled, movhi_sp_r): Use them.
2256         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2257         cpp_define_formatted to built-in define __AVR_ARCH__.
2258         (__AVR_XMEGA__): New built-in define.
2259         (__AVR_HAVE_RAMPD__): New built-in define.
2260         (__AVR_HAVE_RAMPX__): New built-in define.
2261         (__AVR_HAVE_RAMPY__): New built-in define.
2262         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2263
2264         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2265         (avr_option_override): Initialize them.
2266         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2267         (avr_init_expanders): Initialize them. No more block several calls.
2268         (emit_push_sfr): New static function.
2269         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2270         Handle AVR_XMEGA.
2271         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2272         (avr_print_operand): Print addreeses as symbols for
2273         RAMPX, RAMPY, RAMPD, CCP.
2274         (output_movhi): Handle AVR_XMEGA when writing to SP.
2275         (avr_out_movhi_mr_r_xmega): New static function.
2276         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2277         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2278         __RAMPD__,  __CCP__ as needed.
2279
2280         * config/avr/multilib.h: Regenerate.
2281         * config/avr/t-multilib: Regenerate.
2282         * config/avr/avr-tables.opt: Regenerate.
2283
2284 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2285
2286         PR tree-optimization/50561
2287         * graphite-flattening.c (lst_project_loop): Do not
2288         remove old scattering dimensions after flattening.
2289         (lst_do_flatten): Likewise.
2290
2291 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2292
2293         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2294         __builtin_avr_map8, __builtin_avr_map16.
2295         Document __builtin_avr_insert_bits.
2296
2297         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2298         (insert_bits): New insn.
2299         (adjust_len.map_bits): Rename to insert_bits.
2300         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2301         * avr-protos.h (avr_out_map_bits): Remove.
2302         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2303         * config/avr/constraints.md (Cxf,C0f): New.
2304         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2305         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2306         New built-in define __BUILTIN_AVR_INSERT_BITS.
2307         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2308         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2309         (avr_move_bits): Rewrite.
2310         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2311         functions.
2312         (avr_map_op_t): New typedef.
2313         (avr_map_op): New static variable.
2314         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2315         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2316         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2317         (bdesc_3arg, avr_expand_triop_builtin): New.
2318         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2319         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2320         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2321         (avr_map_equal_p, avr_map_sig_p): Remove.
2322         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2323         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2324         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2325         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2326         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2327         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2328
2329 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2330
2331         * config/c6x/c6x.md (reserve_cycles): New attribute.
2332         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2333         don't reserve functional units after the branch occurs.
2334
2335 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2336
2337         PR middle-end/52142
2338         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2339         functions into non-tm_pure functions.
2340
2341 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2342
2343         PR lto/52178
2344         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2345         (iterative_hash_canonical_type): Likewise.
2346         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2347         the dead edges.
2348
2349 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2350
2351         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2352         sched-group insn, it either remains alone or the entire list is pruned.
2353
2354 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2355
2356         * doc/install.texi (Prerequisites): Fix grammar.
2357         (Configuration): Likewise.
2358
2359 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2360
2361         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2362         MPC as part of GCC before describing configuring with --with-gmp etc.
2363         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2364         sources are present.
2365
2366 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2367
2368         PR debug/51950
2369         * dwarf2out.c (clone_tree_hash): New function.
2370         (copy_decls_walk): Use it instead of clone_tree.
2371
2372 2012-02-14  Richard Guenther  <rguenther@suse.de>
2373
2374         PR tree-optimization/52244
2375         PR tree-optimization/51528
2376         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2377         replacements for integral types.
2378
2379 2012-02-14  Walter Lee  <walt@tilera.com>
2380
2381         * config.gcc: Handle tilegx and tilepro.
2382         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2383         tilegx and tilepro.
2384         Add HAVE_AS_TLS check for tilegx and tilepro.
2385         * configure: Regenerate.
2386         * doc/contrib.texi: Add Mat Hostetter and self.
2387         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2388         Document instruction intrinsics and network accessing intrinsics.
2389         (TILEPro Built-in Functions): New node.  Document instruction
2390         intrinsics and network accessing intrinsics.
2391         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2392         (Specific, tilepro-*-linux*): Likewise.
2393         * doc/invoke.texi (TILE-Gx Options): New section.
2394         (TILEPro Options): New section.
2395         * doc/md.texi (TILE-Gx): New section.
2396         (TILEPro): New section.
2397         * common/config/tilegx/tilegx-common.c: New file.
2398         * common/config/tilepro/tilepro-common.c: New file.
2399         * config/tilegx/constraints.md: New file.
2400         * config/tilegx/linux.h: New file.
2401         * config/tilegx/mul-tables.c: New file.
2402         * config/tilegx/predicates.md: New file.
2403         * config/tilegx/sync.md: New file.
2404         * config/tilegx/t-tilegx: New file.
2405         * config/tilegx/tilegx-builtins.h: New file.
2406         * config/tilegx/tilegx-c.c: New file.
2407         * config/tilegx/tilegx-generic.md: New file.
2408         * config/tilegx/tilegx-modes.def: New file.
2409         * config/tilegx/tilegx-multiply.h: New file.
2410         * config/tilegx/tilegx-protos.h: New file.
2411         * config/tilegx/tilegx.c: New file.
2412         * config/tilegx/tilegx.h: New file.
2413         * config/tilegx/tilegx.md: New file.
2414         * config/tilegx/tilegx.opt: New file.
2415         * config/tilepro/constraints.md: New file.
2416         * config/tilepro/gen-mul-tables.cc: New file.
2417         * config/tilepro/linux.h: New file.
2418         * config/tilepro/mul-tables.c: New file.
2419         * config/tilepro/predicates.md: New file.
2420         * config/tilepro/t-tilepro: New file.
2421         * config/tilepro/tilepro-builtins.h: New file.
2422         * config/tilepro/tilepro-c.c: New file.
2423         * config/tilepro/tilepro-generic.md: New file.
2424         * config/tilepro/tilepro-modes.def: New file.
2425         * config/tilepro/tilepro-multiply.h: New file.
2426         * config/tilepro/tilepro-protos.h: New file.
2427         * config/tilepro/tilepro.c: New file.
2428         * config/tilepro/tilepro.h: New file.
2429         * config/tilepro/tilepro.md: New file.
2430         * config/tilepro/tilepro.opt: New file.
2431
2432 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR tree-optimization/52210
2435         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2436         vect_model_simple_cost with two entry vect_def_type array instead
2437         of an address of dt.
2438
2439 2012-02-14  Richard Guenther  <rguenther@suse.de>
2440
2441         PR lto/52178
2442         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2443         Do not stream DECL_QUALIFIER.
2444         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2445         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2446         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2447
2448 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2449
2450         PR c/52181
2451         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2452         newdecl.
2453
2454 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2455
2456         PR bootstrap/52172
2457         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2458         * cselib.c (cselib_subst_to_values_from_insn): New function.
2459         * sched-deps.c (add_insn_mem_dependence,
2460         sched_analyze_1, sched_analyze_2): Use it.
2461
2462 2012-02-13  Jan Hubicka  <jh@suse.cz>
2463
2464         PR middle-end/52214
2465         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2466
2467 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2468
2469         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2470         (GTM_SELF_SPECS): Define if not already defined.
2471         (driver_self_specs): Add GTM_SELF_SPECS.
2472         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2473         (GTM_SELF_SPECS): Define.
2474         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2475         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2476
2477 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2478
2479         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2480         away if seen.
2481
2482         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2483
2484         PR middle-end/52230
2485         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2486         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2487
2488 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2489
2490         PR c/52190
2491         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2492
2493 2012-02-13  Richard Guenther  <rguenther@suse.de>
2494
2495         PR translation/52211
2496         * passes.c (enable_disable_pass): Fix typo.
2497
2498 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2499
2500         PR middle-end/52209
2501         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2502         XOR for reduce_bit_field if type is unsigned.
2503
2504 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2505
2506         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2507         disallow changes from SFmode to mode with different size in FP regs.
2508
2509 2012-02-12  Robert Millan  <rmh@gnu.org>
2510             Gerald Pfeifer <gerald@pfeifer.com>
2511
2512         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2513         Tweak comment.
2514
2515 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2516
2517         PR rtl-optimization/52175
2518         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2519         to frame-related instructions.
2520
2521 2012-02-10  Jason Merrill  <jason@redhat.com>
2522
2523         PR c++/51910
2524         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2525         (demangle_new_symbols): Fill it.
2526         (scan_linker_output): Walk it.
2527         (start_tweaking): Split out from scan_linker_output.
2528         (maybe_tweak): Update sym->chosen.
2529         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2530
2531 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2532
2533         PR debug/52132
2534         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2535
2536 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2537
2538         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2539         having the same mode as previous compare.
2540
2541 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2542
2543         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2544         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2545         (nonlocal_goto_internal): Likewise.
2546         (nonlocal_goto): Emit a use and an indirect jump directly.
2547
2548 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2549
2550         PR c/52190
2551         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2552         __atomic_{is,always}_lock_free.
2553
2554 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2555
2556         PR target/52146
2557         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2558         negative constant address for x32.
2559
2560 2012-02-10  Richard Henderson  <rth@redhat.com>
2561
2562         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2563         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2564         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2565
2566 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2567             Ira Rosen  <irar@il.ibm.com>
2568
2569         PR tree-optimization/50031
2570         * targhooks.c (default_builtin_vectorization_cost): Handle
2571         vec_promote_demote.
2572         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2573         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2574         all types of reduction and pattern statements.
2575         (vect_estimate_min_profitable_iters): Likewise.
2576         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2577         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2578         for explicit realigns.
2579         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2580         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2581         vec_promote_demote.
2582         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2583         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2584         vec_perm for VSX and handle vec_promote_demote.
2585
2586 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2587
2588         PR middle-end/52177
2589         * builtins.c (fold_builtin_atomic_always_lock_free,
2590         expand_builtin_atomic_always_lock_free,
2591         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2592         Return and/or test boolean_true_node/boolean_false_node instead of
2593         integer_one_node/integer_zero_node.
2594
2595 2012-02-10  Jan Hubicka  <jh@suse.cz>
2596
2597         PR middle-end/48600
2598         * predict.c (predict_paths_for_bb): Prevent looping.
2599         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2600
2601 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2602
2603         * config/arm/arm.c (output_move_double): In one case properly
2604         count number of instructions that will be emitted.
2605
2606 2012-02-10  Richard Guenther  <rguenther@suse.de>
2607
2608         PR translation/52193
2609         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2610
2611 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2612
2613         PR middle-end/52140
2614         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2615
2616 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2617
2618         PR debug/52165
2619         * var-tracking.c (emit_note_insn_var_location): If
2620         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2621         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2622         non-NOTE_DURING_CALL_P insn.
2623
2624 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2625
2626         PR middle-end/51867
2627         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2628
2629 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2630
2631         PR driver/48524
2632         * gcc.c (switch_matches) Support switches with separated form,
2633         -D and -U.
2634
2635 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2636
2637         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2638         (SP_ADDR): Ditto.
2639         (RAMPZ_ADDR): Ditto.
2640         * config/avr/avr.c (avr_addr_t): New typedef.
2641         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2642         (avr_init_expanders): Initialize it.
2643         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2644         SREG_ADDR.
2645         (expand_epilogue): Ditto.
2646         (avr_print_operand): Ditto.
2647         (avr_file_start): Ditto.
2648         (avr_emit_movmemhi): Ditto.
2649
2650 2012-02-08  Richard Guenther  <rguenther@suse.de>
2651
2652         PR tree-optimization/46886
2653         * tree-flow.h (do_while_loop_p): Declare.
2654         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2655         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2656
2657 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2658
2659         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2660         always succeed for integers larger than a native word.
2661
2662 2012-02-08  Richard Guenther  <rguenther@suse.de>
2663
2664         PR rtl-optimization/52170
2665         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2666         properly handle integer vector modes.
2667
2668 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2669
2670         PR gcov-profile/52150
2671         * coverage.c: Include target.h.
2672         (build_var): Call targetm.strip_name_encoding on the assembler name.
2673         Change one _ into . or $ if the target allows it.
2674         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2675
2676         PR rtl-optimization/52139
2677         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2678         is a BARRIER after emit_insn_after_noloc, move BB_END
2679         to the last non-BARRIER insn before it.
2680
2681 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2682
2683         PR middle-end/24306
2684         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2685         (mips_gimplify_va_arg_expr): Call it instead of
2686         std_gimplify_va_arg_expr.
2687
2688 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2689
2690         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2691         message for -mno-pointers-to-nested-function.
2692
2693 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2694
2695         PR middle-end/51994
2696         * expr.c (get_inner_reference): If there is an offset, add a negative
2697         bit position to it (if any).
2698
2699 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2700
2701         PR rtl-optimization/52060
2702         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2703         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2704         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2705         and/or i0src_copy2 when needed.
2706
2707 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2708
2709         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2710         or LTOPLUGINSONAME if have_c.
2711
2712         * config/freebsd-spec.h: Add comment about what macros can be defined
2713         in this header.
2714         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2715         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2716         here instead.
2717
2718 2012-02-07  Richard Guenther  <rguenther@suse.de>
2719
2720         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2721         newline in -alias dumps.
2722
2723 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2724             Dave Korn  <dave.korn.cygwin@gmail.com>
2725
2726         PR target/40068
2727         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2728         Take care that typinfo gets dllexport-attribute.
2729
2730 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2731
2732         PR middle-end/52074
2733         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2734         if modifier < EXPAND_SUM call force_operand on the result.
2735
2736 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2737
2738         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2739         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2740         present.
2741         (epiphany_function_type): Replace types for specific interrupts with
2742         EPIPHANY_FUNCTION_INTERRUPT.
2743         (EPIPHANY_INTERRUPT_P): Update.
2744         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2745         New static function.
2746         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2747         <disinterrupt>: Affects type identity.
2748         (epiphany_handle_interrupt_attribute): Handle variable number of
2749         arguments.
2750         (epiphany_compute_function_type): Update for new
2751         epiphany_function_type definition.
2752         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2753         handlers with a longcall forwarder.
2754         (epiphany_start_function): Handle multiple interrupt arguments and/or
2755         forwarder_section attribute.
2756
2757         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2758         libgloss.
2759
2760 2012-02-07  Alan Modra  <amodra@gmail.com>
2761
2762         PR target/52107
2763         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2764         subregs of TFmode.
2765
2766 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2767
2768         PR tree-optimization/50969
2769         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2770         use vec_perm rather than vector_stmt.
2771         (vect_model_load_cost): Likewise.
2772         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2773         vec_perm to be the same as other vector statements.
2774         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2775         cost of vec_perm for TARGET_VSX.
2776
2777 2012-02-06  Richard Guenther  <rguenther@suse.de>
2778
2779         PR tree-optimization/52115
2780         * tree-sra.c (access_has_replacements_p): New function.
2781         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2782
2783 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2784
2785         PR middle-end/52047
2786         * trans-mem.c (expand_call_tm): Add an assertion.
2787         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2788         functions.
2789
2790 2012-02-06  Richard Guenther  <rguenther@suse.de>
2791
2792         PR tree-optimization/50955
2793         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2794         raise cost of expressions that replace an address with an
2795         expression based on a different pointer.
2796
2797 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2798
2799         PR target/52129
2800         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2801         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2802
2803 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2804
2805         PR c++/48680
2806         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2807         -Weffc++ and specify guidelines come from second edition.
2808
2809 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2810
2811         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2812         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2813         (call_direct_split, call_value_split, call_value_internal_direct)
2814         (call_value_direct_split, call_value_multiple_split): Use jal and
2815         jal_macro attributes.
2816
2817 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2818
2819         * reload1.c (reload_regs_reach_end_p): Replace with...
2820         (reload_reg_rtx_reaches_end_p): ...this function.
2821         (new_spill_reg_store): Update commentary.
2822         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2823         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2824         before setting new_spill_reg_store.
2825         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2826         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2827         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2828         for non-spill reload registers.
2829
2830 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2831
2832         PR tree-optimization/52091
2833         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2834         (vect_is_simple_use_1): Likewise.
2835         * tree-vect-loop.c (vectorizable_reduction): Update calls
2836         to vect_is_simple_use_1 and vect_is_simple_use.
2837         (vectorizable_live_operation): Likewise.
2838         * tree-vect-patterns.c (widened_name_p,
2839         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2840         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2841         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2842         vectorizable_shift,vectorizable_operation, vectorizable_store,
2843         vectorizable_load): Likewise.
2844         (vect_is_simple_cond): Add an argument, pass it to
2845         vect_is_simple_use_1.
2846         (vectorizable_condition): Update calls to vect_is_simple_cond,
2847         vect_is_simple_use.
2848         (vect_is_simple_use): Add an argument, the statement in which
2849         OPERAND is used.  Check that if OPERAND's def stmt is a double
2850         reduction phi node, the use is a phi node too.
2851         (vect_is_simple_use_1): Add an argument, pass it to
2852         vect_is_simple_use.
2853         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2854         to vect_is_simple_use.
2855
2856 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR rtl-optimization/52095
2859         * modulo-sched.c (dump_insn_locator): New function.
2860         (loop_canon_p, sms_schedule): Use it.
2861
2862         PR rtl-optimization/52113
2863         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2864         even for decomposable shift/zext insns.
2865
2866 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2867             Zdenek Dvorak  <ook@ucw.cz>
2868
2869         PR rtl-optimization/52092
2870         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2871         on get_iv_value result.
2872
2873 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2874
2875         PR middle-end/47982
2876         PR middle-end/43967
2877         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2878
2879 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2880
2881         PR middle-end/48071
2882         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2883
2884 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2885
2886         PR rtl-optimization/49800
2887         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2888         (sched_finish): Call regstat_free_n_sets_and_refs.
2889
2890 2012-02-02  Jia Liu  <proljc@gmail.com>
2891
2892         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2893         than operand 2.
2894
2895 2012-02-02  Jan Hubicka  <jh@suse.cz>
2896             Tom de Vries  <tom@codesourcery.com>
2897
2898         PR middle-end/51998
2899         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2900         * varpool.c (varpool_analyze_pending_decls): Likewise.
2901
2902 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2903             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2904
2905         * config.gcc: Add cr16-* support.
2906
2907         * doc/extend.texi: Document cr16 extensions.
2908         * doc/install.texi: Document cr16 install.
2909         * doc/invoke.texi: Document cr16 options.
2910         * doc/md.texi: Document cr16 constraints.
2911
2912         * common/config/cr16/cr16-common.c: New file.
2913         * config/cr16/cr16.c: New file.
2914         * config/cr16/cr16.h: New file.
2915         * config/cr16/cr16.md: New file.
2916         * config/cr16/cr16.opt: New file.
2917         * config/cr16/cr16-protos.h: New file.
2918         * config/cr16/predicates.md: New file.
2919         * config/cr16/constraints.md: New file.
2920         * config/cr16/t-cr16: New file.
2921
2922 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2923
2924         PR target/52086
2925         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2926         that operands[2] is either immediate, or q_regs_operand.
2927
2928         PR tree-optimization/52073
2929         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2930         a pattern stmt for pattern uses, ignore uses outside of the loop.
2931
2932 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2933
2934         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2935         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2936         (OUT_AS1, OUT_AS2): Remove.
2937
2938 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2939
2940         PR rtl-optimization/51374
2941         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2942         to cross other volatile_refs_p insns.
2943
2944 2012-02-01  Richard Guenther  <rguenther@suse.de>
2945
2946         * doc/invoke.texi (fno-inline): Clarify documentation.
2947         (finline-small-functions): Likewise.
2948         (finline-functions): Likewise.
2949         * common.opt (finline): Adjust comment and documentation.
2950         (finline-small-functions): Clarify documentation.
2951         (finline-functions): Likewise.
2952         (finline-functions-called-once): Likewise.
2953
2954 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2955
2956         * c-typeck.c (composite_type): Keep mode for pointers.
2957
2958 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2959
2960         * function.h (regno_reg_rtx): Adjust comment.
2961         * reginfo.c (init_reg_modes_target): Only use the previous mode
2962         if it fits within one register.  Remove MIPS comment.
2963
2964 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2965
2966         PR bootstrap/52058
2967         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2968
2969 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2970
2971         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2972         to srak instruction.
2973
2974 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2975
2976         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2977
2978 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR bootstrap/52041
2981         PR bootstrap/52039
2982         PR target/51974
2983         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2984
2985 2012-01-31  Richard Guenther  <rguenther@suse.de>
2986
2987         PR tree-optimization/51528
2988         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2989         assigns.
2990
2991 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2992
2993         PR bootstrap/52041
2994         PR bootstrap/52039
2995         PR target/51974
2996         * ree.c (add_removable_extension): Change def_map argument
2997         to unsigned *, store in def_map 1 + offset into *insn_list vector
2998         instead of pointers into the vector.
2999         (find_removable_extensions): Adjust caller.
3000
3001 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3002
3003         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3004         Transform all "* quoted-c-code" to { c-code }.
3005         Remove redundant test for "optimize" in combine patterns.
3006         Move (include "avr-dimode.md") to end of file.
3007
3008 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3009
3010         PR target/51835
3011         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3012         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3013
3014 2012-01-30  Richard Guenther  <rguenther@suse.de>
3015
3016         PR tree-optimization/52028
3017         * tree-loop-distribution.c (ldist_gen): Properly update
3018         virtual SSA form.
3019
3020 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3021
3022         PR debug/52027
3023         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3024         set_cur_line_info_table if not emitting debug info.
3025
3026         PR tree-optimization/52046
3027         * tree-vect-patterns.c (check_bool_pattern): Give up if
3028         a comparison could throw.
3029
3030         PR debug/52048
3031         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3032
3033 2012-01-30  Richard Guenther  <rguenther@suse.de>
3034
3035         PR tree-optimization/52045
3036         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3037         SSA form if cfgcleanup did anything.
3038
3039 2012-01-30  Richard Guenther  <rguenther@suse.de>
3040
3041         PR tree-optimization/52045
3042         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3043         before computing final todo.
3044
3045 2012-01-30  Richard Guenther  <rguenther@suse.de>
3046
3047         PR tree-optimization/51528
3048         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3049         for PR51528 fix.
3050
3051 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3052
3053         * df-problems.c (df_kill_notes): Check that the use refers
3054         to the note under examination.
3055
3056 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3057
3058         PR target/51920
3059         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3060         parameter and use short-lived pseudos.
3061         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3062         (sparc_expand_vector_init): Const-ify local variables and adjust
3063         calls to above functions.
3064
3065 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3066
3067         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3068
3069 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3070
3071         * doc/invoke.texi: Make usage of "compile time" and
3072         "run time"/"runtime" consistent throughout the file.
3073
3074 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3075
3076         * config/alpha/alpha.c (alpha_option_override): Default to
3077         full IEEE compliance mode for Go language.
3078
3079 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3080
3081         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3082         (LINK_SSP_SPEC): Define.
3083
3084 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3085
3086         PR target/51871
3087         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3088         stubs.
3089
3090 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3091
3092         * doc/invoke.texi: Correct hyphenation of "floating point",
3093         "double precision", and related terminology throughout the file.
3094
3095 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3096
3097         PR target/52006
3098         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3099         arm_general_register_operand predicate for operand 2 instead of
3100         register_operand.
3101
3102 2012-01-27  Ian Lance Taylor  <iant@google.com>
3103
3104         PR go/47656
3105         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3106         * builtins.c (expand_builtin_init_trampoline): Add onstack
3107         parameter.  Change caller.
3108         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3109         * tree.c (build_common_builtin_nodes): Declare
3110         __builtin_init_heap_trampoline.
3111
3112 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3113
3114         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3115         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3116         * config/avr/avr.c: Ditto.
3117         (avr_regnames): Remove because unused.
3118         * config/avr/avr.md (*cpse.ne): New peephole.
3119         (*cpse.eq): New peephole from former cpse peepholes.
3120
3121 2012-01-27  Michael Eager  <eager@eagercon.com>
3122
3123         * config/microblaze.c (microblaze_emit_compare): Correct
3124         test after pcmp instruction.
3125
3126 2012-01-27  Richard Guenther  <rguenther@suse.de>
3127
3128         PR tree-optimization/52020
3129         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3130
3131 2012-01-27  Richard Guenther  <rguenther@suse.de>
3132
3133         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3134         function non-const/pure.
3135
3136 2012-01-27  Richard Guenther  <rguenther@suse.de>
3137
3138         PR tree-optimization/50444
3139         * tree-sra.c (build_ref_for_offset): Properly adjust the
3140         MEM_REF type for unaligned accesses.
3141
3142 2012-01-27  Richard Guenther  <rguenther@suse.de>
3143
3144         PR tree-optimization/50444
3145         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3146         (expand_assignment): Use it.  Properly handle misaligned
3147         bases when expanding stores to component references.
3148         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3149         refactor that case.
3150
3151 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3152
3153         PR middle-end/51389
3154         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3155         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3156         * tree-data-ref.c (find_data_references_in_loop): Make static.
3157         (compute_all_dependences): Change return type to bool.  Bail out
3158         for too many datarefs in a loop.  Move the hunk resetting the data
3159         dependences vector from ...
3160         (compute_data_dependences_for_loop): ... here.  Account for
3161         compute_all_dependences returning false.
3162         (compute_data_dependences_for_bb): Likewise.
3163         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3164         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3165
3166 2012-01-27  Richard Guenther  <rguenther@suse.de>
3167
3168         PR middle-end/51959
3169         * expr.c (store_field): Use the alias-set of the scratch memory
3170         for storing to it.
3171
3172 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3173
3174         PR tree-optimization/51990
3175         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3176         WITH_SIZE_EXPR.
3177         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3178
3179 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3180
3181         PR debug/52001
3182         * var-tracking.c (reverse_op): Don't add any reverse operation
3183         if V already has any constant locations.
3184
3185 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3186
3187         * doc/invoke.texi: Correct usage of "command line" (noun)
3188         vs "command-line" (adjective) throughout.
3189
3190 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3191
3192         * doc/invoke.texi (Language Independent Options): Move
3193         -Wcoverage-mismatch blurb from here....
3194         (Warning Options): ...to here.
3195
3196 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3197
3198         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3199         Set rs6000_always_hint to false for 476.
3200
3201 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3202
3203         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3204           system root.
3205         * incpath.c (add_standard_paths): Likewise.
3206
3207 2012-01-27  Richard Henderson  <rth@redhat.com>
3208
3209         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3210         * config/m68k/sync.md (atomic_test_and_set): Rename from
3211         sync_test_and_setqi and adjust the operands.
3212         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3213         and unconditionally enable.
3214
3215 2012-01-27  Richard Henderson  <rth@redhat.com>
3216
3217         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3218         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3219         (ldstub): Rename from ldstubqi.
3220         (ldstub<I24MODE>): Remove.
3221
3222 2012-01-27  Richard Henderson  <rth@redhat.com>
3223
3224         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3225         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3226         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3227         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3228         * doc/tm.texi: Rebuild.
3229
3230 2012-01-27  Richard Henderson  <rth@redhat.com>
3231
3232         * optabs.c (gen_atomic_test_and_set): Remove default.
3233         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3234
3235 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3236
3237         PR rtl-optimization/51978
3238         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3239         (combine_reaching_defs): Likewise.
3240         (struct re_info): Remove.
3241         (add_removable_extension): Remove x and data arguments,
3242         add insn, insn_list and def_map.  Use the arguments directly
3243         instead of using struct re_info.
3244         (find_removable_extensions): Don't call add_removable_extension
3245         through note_stores, instead just call it with single_set
3246         result if non-NULL.
3247         (find_and_remove_re): Pass curr_cand->expr instead of
3248         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3249
3250 2012-01-26  Michael Matz  <matz@suse.de>
3251
3252         PR tree-optimization/46590
3253         * cfgexpand.c: Revert last change (r183305).
3254         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3255         regs.
3256         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3257         checking for emptiness.
3258
3259 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3260
3261         PR middle-end/51895
3262         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3263         non-addressable non-BLKmode base correctly.
3264
3265 2012-01-26  Michael Matz  <matz@suse.de>
3266
3267         PR tree-optimization/48794
3268         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3269         regions referenced from RESX/EH_DISPATCH.
3270
3271 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3272
3273         * config/s390/s390.h: Make BRANCH_COST an option.
3274         * config/s390/s390.opt: New option -mbranch-cost.
3275
3276 2012-01-26  Richard Henderson  <rth@redhat.com>
3277
3278         Revert 2012-01-24 change:
3279         * trans-mem.c (requires_barrier): Do not instrument thread local
3280         variables and emit save/restore for them.
3281
3282 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3283
3284         PR middle-end/51986
3285         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3286         for pat == 0.
3287
3288 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3289
3290         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3291         ASM_OPERANDS.
3292
3293 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3294
3295         PR target/49868
3296         Rename __pgm to __flash.
3297         Rename __pgm1 to __flash1.
3298         Rename __pgm2 to __flash2.
3299         Rename __pgm3 to __flash3.
3300         Rename __pgm4 to __flash4.
3301         Rename __pgm5 to __flash5.
3302         Rename __pgmx to __memx.
3303         * doc/extend.texi (AVR Named Address Spaces)
3304         Rename address space names as indicated above.
3305         * config/avr/avr.c (avr_addrspace): Ditto.
3306
3307         * config/avr/avr-protos.h
3308         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3309         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3310         * config/avr/predicates.md: Ditto.
3311         * config/avr/avr.c Ditto, and
3312         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3313         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3314
3315         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3316         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3317         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3318         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3319         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3320         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3321         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3322         * config/avr/avr.c: Ditto.
3323         * config/avr/avr.md: Ditto.
3324
3325 2012-01-25  Jason Merrill  <jason@redhat.com>
3326
3327         PR c++/51992
3328         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3329
3330 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3331
3332         PR tree-optimization/51987
3333         * tree-data-ref.c (get_references_in_stmt): Handle references in
3334         non-volatile GIMPLE_ASM.
3335
3336 2012-01-25  Richard Guenther  <rguenther@suse.de>
3337
3338         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3339         bases are dereferenced.
3340
3341 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3342
3343         PR rtl-optimization/48374
3344         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3345
3346 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3347
3348         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3349         compute_data_dependences_for_loop returns false.
3350         * tree-parloops.c (loop_parallel_p): Likewise.
3351
3352 2012-01-25  Richard Guenther  <rguenther@suse.de>
3353
3354         * tree.h (get_pointer_alignment_1): Declare.
3355         * builtins.c (get_pointer_alignment_1): New function.
3356         (get_pointer_alignment): Use it.
3357
3358 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3359
3360         PR rtl-optimization/48308
3361         * combine.c (enum undo_kind): Add UNDO_LINKS.
3362         (struct undo): Add member l to other_contents and where.
3363         (do_SUBST_LINK): New.
3364         (SUBST_LINK): New.
3365         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3366         (undo_all): Handle UNDO_LINKS.
3367
3368 2012-01-25  Richard Henderson  <rth@redhat.com>
3369
3370         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3371         mem inputs.
3372
3373 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3374
3375         * optabs.c (gen_atomic_test_and_set): Use each argument.
3376
3377 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3378
3379         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3380         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3381         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3382         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3383         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3384         TARGET_PAIRED_SINGLE_FLOAT.
3385
3386 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3387
3388         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3389         (in_struct, return_val): Remove MEM documentation.
3390         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3391         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3392         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3393         and MEM_SCALAR.
3394         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3395         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3396         * expr.c (store_field): Likewise.
3397         * function.c (assign_stack_temp_for_type): Likewise.
3398         * ifcvt.c (noce_try_cmove_arith): Likewise.
3399         * reload1.c (reload): Likewise.
3400         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3401         (alpha_set_memflags): Likewise.
3402         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3403
3404 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3405
3406         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3407         parameter.
3408         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3409         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3410         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3411         varies parameter.
3412         * cselib.c (cselib_rtx_varies_p): Delete.
3413         (cselib_invalidate_mem): Update call to canon_true_dependence.
3414         * dse.c (record_store, check_mem_read_rtx): Likewise.
3415         (scan_reads_nospill): Likewise.
3416         * cse.c (check_dependence): Likewise.
3417         (cse_rtx_varies_p): Delete.
3418         * expr.c (safe_from_p): Update call to true_dependence.
3419         * ira.c (validate_equiv_mem_from_store): Likewise.
3420         (memref_referenced_p): Likewise.
3421         * postreload-gcse.c (find_mem_conflicts): Likewise.
3422         * sched-deps.c (sched_analyze_2): Likewise.
3423         * store-motion.c (load_kills_store): Likewise.
3424         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3425         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3426         (compute_transp): Update call to canon_true_dependence.
3427
3428 2012-01-25  Richard Henderson  <rth@redhat.com>
3429
3430         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3431         (maybe_emit_atomic_test_and_set): New.
3432         (expand_sync_lock_test_and_set): Use it.
3433         (expand_atomic_test_and_set): Likewise.
3434         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3435         the implementation; clarify implementation defined details.
3436         * doc/md.texi (atomic_test_and_set): Document.
3437
3438 2012-01-25  Richard Henderson  <rth@redhat.com>
3439
3440         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3441
3442 2012-01-25  Richard Henderson  <rth@redhat.com>
3443
3444         PR target/51968
3445         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3446         to effect no-op split.
3447
3448 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3449
3450         PR lto/51698
3451         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3452         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3453         (BT_FN_VOID_PTR_INT_SIZE): New.
3454         (BT_FN_UINT_UINT_VAR): Remove.
3455         (BT_FN_UINT32_UINT32_VAR): New.
3456         (BT_FN_DOUBLE_VPTR): Remove.
3457         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3458
3459         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3460         (_ITM_changeTransactionMode): Same.
3461         (_ITM_memmoveRtWt): Change return type to void.
3462         (_ITM_memcpyRtWt): Same.
3463         (_ITM_memsetW): Same.
3464         (_ITM_RaRD): Change types to double.
3465         (_ITM_RD): Same.
3466         (_ITM_RaWD): Same.
3467         (_ITM_RfWD): Same.
3468
3469         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3470
3471 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3472             Patrick Marlier  <patrick.marlier@gmail.com>
3473
3474         * trans-mem.c (requires_barrier): Do not instrument thread local
3475         variables and emit save/restore for them.
3476
3477 2012-01-24  Jason Merrill  <jason@redhat.com>
3478
3479         PR c++/51812
3480         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3481         output static aliases.
3482
3483 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3484
3485         PR driver/47249
3486         * common.opt (-pie, -shared, pie, shared): Change from Common to
3487         Driver.
3488         * gcc.c (display_help): Display help for -pie and -shared.
3489
3490 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3491
3492         PR target/49868
3493         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3494         Remove note on size/offset limitation.
3495         (AVR Variable Attributes): Add example how to read data located
3496         with progmem.  Refer to named address spaces.
3497         * doc/invoke.texi (AVR Options): Fix typo.
3498
3499 2012-01-24  Richard Guenther  <rguenther@suse.de>
3500
3501         Forward-port to trunk
3502         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3503
3504         PR middle-end/45678
3505         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3506         op0 isn't sufficiently aligned and there is movmisalignM
3507         insn for mode, use it to load op0 into a temporary register.
3508
3509 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3510
3511         PR target/51957
3512         * target.def (const_not_ok_for_debug_p): New hook.
3513         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3514         documentation.
3515         * doc/tm.texi: Regenerated.
3516         * dwarf2out.c (const_ok_for_output_1): If
3517         targetm.const_not_ok_for_debug_p returns true, fail.
3518         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3519         function.
3520         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3521
3522 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3523
3524         PR target/51900
3525         * config/i386/predicates.md (symbolic_operand): Allow
3526         UNSPEC_PCREL as PIC expression for lea.
3527         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3528         * config/i386/i386.c (ix86_delegitimize_address): Handle
3529         UNSPEC_PCREL for none-MEM, too.
3530
3531 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3532
3533         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3534         (ipa_tm_create_version_alias): Same.
3535