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1 2012-06-04  Richard Guenther  <rguenther@suse.de>
2
3         PR middle-end/53471
4         * dwarf2out.c (dwarf2out_finish): If generating LTO do not
5         create new assembler names.
6
7 2012-06-04  Richard Guenther  <rguenther@suse.de>
8
9         Backport from mainline
10         2012-04-25  Jakub Jelinek  <jakub@redhat.com>
11  
12         PR middle-end/52979
13         * stor-layout.c (get_best_mode): Don't return mode with bitsize
14         larger than maxbits.  Don't compute maxbits modulo align.
15         Also check that unit bytes long store at bitpos / unit * unit
16         doesn't affect bits beyond bitregion_end.
17         * expmed.c (store_bit_field_1): Avoid trying insv if OP_MODE MEM
18         would not fit into bitregion_start ... bitregion_end + 1 bit
19         region.
20         (store_split_bit_field): Decrease unit close to end of bitregion_end
21         if access is restricted in order to avoid mutual recursion.
22
23 2012-06-04  Georg-Johann Lay  <avr@gjlay.de>
24
25         Backport from 2012-06-04 mainline r188172
26
27         PR target/46261
28         * config/avr/avr-stdint.h: New file.
29         * config.gcc (avr-*-*,tm_file): Use avr/avr-stdint.h instead of
30         newlib-stdint.h
31
32 2012-06-04  Jakub Jelinek  <jakub@redhat.com>
33
34         PR tree-optimization/53550
35         * tree-ssa-loop-niter.c (number_of_iterations_cond): If type
36         is POINTER_TYPE_P, use sizetype as step type instead of type.
37
38 2012-06-04  Richard Guenther  <rguenther@suse.de>
39             Eric Botcazou  <ebotcazou@adacore.com>
40
41         Backport from mainline
42         2012-04-03  Eric Botcazou  <ebotcazou@adacore.com>
43
44         * expr.c (get_bit_range): Add OFFSET parameter and adjust BITPOS.
45         Change type of BITOFFSET to signed.  Make sure the lower bound of
46         the computed range is non-negative by adjusting OFFSET and BITPOS.
47         (expand_assignment): Adjust call to get_bit_range.
48
49         2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
50
51         * expr.c (get_bit_range): Return the null range if the enclosing record
52         is part of a larger bit field.
53
54         2012-03-20  Richard Guenther  <rguenther@suse.de>
55
56         * stor-layout.c (finish_bitfield_representative): Fallback
57         to conservative maximum size if the padding up to the next
58         field cannot be computed as a constant.
59         (finish_bitfield_layout): If we cannot compute the distance
60         between the start of the bitfield representative and the
61         bitfield member start a new representative.
62         * expr.c (get_bit_range): The distance between the start of
63         the bitfield representative and the bitfield member is zero
64         if the field offsets are not constants.
65
66         2012-03-16  Richard Guenther  <rguenther@suse.de>
67
68         * stor-layout.c (finish_bitfield_representative): Fall back
69         to the conservative maximum size if we cannot compute the
70         size of the tail padding.
71
72         2012-03-14  Richard Guenther  <rguenther@suse.de>
73
74         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
75         * stor-layout.c (start_bitfield_representative): New function.
76         (finish_bitfield_representative): Likewise.
77         (finish_bitfield_layout): Likewise.
78         (finish_record_layout): Call finish_bitfield_layout.
79         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
80         for QUAL_UNION_TYPE fields.
81         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
82         Stream DECL_BIT_FIELD_REPRESENTATIVE.
83         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
84
85         PR middle-end/52080
86         PR middle-end/52097
87         PR middle-end/48124
88         * expr.c (get_bit_range): Unconditionally extract bitrange
89         from DECL_BIT_FIELD_REPRESENTATIVE.
90         (expand_assignment): Adjust call to get_bit_range.
91
92 2012-06-01  Eric Botcazou  <ebotcazou@adacore.com>
93
94         PR middle-end/53501
95         * fold-const.c (fold_binary_loc): Refine previous change.
96
97 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
98
99         Backport from mainline
100         2012-03-27  Chung-Lin Tang  <cltang@codesourcery.com>
101
102         PR target/52667
103         * config/sh/sh.c (find_barrier): Add equality check of last_got to
104         avoid going above orig insn.  Update comments.
105
106 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
107
108         Backport from mainline
109         2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
110
111         PR target/52642
112         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
113         prologue for unwinder and profiler.
114
115 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
116
117         Backport from mainline
118         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
119
120         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
121
122 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
123
124         Backport from mainline
125         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
126
127         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
128         DBX_REGISTER_NUMBER.
129
130 2012-06-01  Oleg Endo  <olegendo@gcc.gnu.org>
131
132         Backport from mainline
133         2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
134
135         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
136         operand is CONST_INT.  Take COSTS_N_INSNS into account.
137         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value of
138         shiftcosts.     
139
140 2012-05-31  Georg-Johann Lay  <avr@gjlay.de>
141
142         * config/avr/avr.opt (-msp8): Document it.
143         * doc/invoke.texi (AVR Options): Copy from trunk docu.
144
145 2012-05-31  Richard Guenther  <rguenther@suse.de>
146
147         PR middle-end/48493
148         * expr.c (expand_assignment): Do not use movmisalign on
149         non-memory.
150
151 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
152
153         PR target/52999
154         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
155         (pa_section_type_flags): New.
156         (pa_legitimate_constant_p): Revert previous change.
157
158 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
159
160         Backport from mainline
161         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
162
163         PR middle-end/53008
164         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
165         accessed indirectly.
166         (ipa_tm_create_version): Same.
167
168 2012-05-30  Jason Merrill  <jason@redhat.com>
169
170         PR c++/53220
171         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
172         about array compound literals.
173
174 2012-05-30  Richard Guenther  <rguenther@suse.de>
175
176         PR middle-end/53501
177         * fold-const.c (fold_binary_loc): Make sure to call
178         fold_plusminus_mult_expr with the original sign of operands.
179
180 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
181
182         * explow.c (probe_stack_range): Restore simple control flow and stop
183         again when the probe cannot be generated if HAVE_check_stack.
184
185 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
186
187         PR rtl-optimization/53519
188         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
189         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
190
191 2012-05-29  Richard Guenther  <rguenther@suse.de>
192
193         PR tree-optimization/53516
194         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
195         bitfield accesses.
196         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
197
198 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
199
200         Backport from mainline
201         2012-05-28  Richard Guenther  <rguenther@suse.de>
202
203         PR tree-optimization/53438
204         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
205
206 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
207
208         Backport from mainline
209         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
210
211         PR rtl-optimization/52528
212         * combine.c (can_combine_p): Add setting of subst_low_luid
213         before call to expand_field_assignment().
214
215 2012-05-26  Martin Jambor  <mjambor@suse.cz>
216
217         Backport from mainline
218         2012-05-23  Martin Jambor  <mjambor@suse.cz>
219
220         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
221
222 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
223
224         PR lto/52178
225         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
226         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
227
228 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
229
230         PR target/53435
231         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
232         (ix86_expand_vec_perm): Use int mode instead of float.
233
234 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
235
236         PR ada/52362
237         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
238         gnu_ld variables to yes.
239         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
240         (HAVE_GNU_AS): Likewise.
241         * config.in: Regenerate.
242         * configure: Likewise.
243
244 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
245
246         Backport from mainline
247         2012-03-12  Richard Guenther  <rguenther@suse.de>
248         * config/arm/arm.c (neon_dereference_pointer): Do not call
249         covert during RTL expansion.
250
251 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
252
253         Backport from mainline
254         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
255
256         PR target/53385
257         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
258         relied on signed overflow behavior.
259
260 2012-05-24  Richard Guenther  <rguenther@suse.de>
261
262         PR middle-end/53460
263         * tree-profile.c (tree_profiling): Cleanup the CFG if
264         execute_fixup_cfg requests it.
265
266 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
267
268         PR tree-optimization/53465
269         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
270         vr0 into *vr, then vrp_meet that.
271         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
272         have any equivalences.
273         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
274         first time.
275
276 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
277
278         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
279         size handling.
280         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
281         (iterative_hash_gimple_type): Adjust comment.
282         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
283         domain for an array type instead of the domain type itself.
284
285 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
286
287         Backport from 2012-05-23 mainline r187803
288
289         PR target/53448
290         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
291         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
292         ASM_OUTPUT_ALIGN.
293
294 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
295
296         Backport from 2012-05-03 mainline r187075
297
298         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
299         has_fma4 for AMD processors with both fma3 and fma4 support.
300
301 2012-05-22  Richard Guenther  <rguenther@suse.de>
302
303         PR tree-optimization/53408
304         * tree-vect-loop.c (vectorizable_induction): Properly check
305         the restriction that we cannot handle induction results from
306         the inner loop outside of the outer loop.
307
308 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
309
310         PR tree-optimization/53436
311         * omp-low.c (omp_build_component_ref): New function.
312         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
313
314         PR tree-optimization/53366
315         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
316         tests if complex_numbers == 2, but there are non-complex number loads
317         too.
318
319         PR tree-optimization/53409
320         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
321         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
322
323         PR tree-optimization/53410
324         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
325         instead of build_int_cst (type, 0) where vector types might be
326         involved.
327
328 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
329
330         PR c/53418
331         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
332         from folded operands before wrapping another around the
333         conditional expression.
334
335 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
336             Patrick Marlier  <patrick.marlier@gmail.com>
337
338         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
339         indirect calls.
340
341 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
342
343         Backport from mainline
344         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
345
346         PR target/53416
347         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
348         (UNSPECV_RDRAND): This.
349         (rdrand<mode>_1): Updated.
350
351 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
352
353         Backport from mainline
354         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
355
356         * config/i386/driver-i386.c (host_detect_local_cpu): Support
357         RDRND, F16C and FSGSBASE.
358
359 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
360
361         Backport from mainline
362         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
363
364         * tree-ssa-pre.c (can_value_number_call): Delete.
365         (compute_avail): Skip all statements with side effects.
366         <GIMPLE_CALL>: Skip calls to internal functions.
367
368 2012-05-18  David S. Miller  <davem@davemloft.net>
369
370         Backport r185385 from mainline
371         2012-03-14  Richard Guenther  <rguenther@suse.de>
372
373         PR middle-end/52584
374         * tree-vect-generic.c (type_for_widest_vector_mode): Take
375         element type instead of mode, use build_vector_type_for_mode
376         instead of the langhook, build a vector of proper signedness.
377         (expand_vector_operations_1): Adjust.
378
379 2012-05-18  Olivier Hainque  <hainque@adacore.com>
380
381         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
382         $(libsubdir) as libexecsubdir.
383
384 2012-05-16  Andrew Pinski  <apinski@cavium.com>
385
386         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
387         GIMPLE_ASSIGN.
388
389 2012-05-16  David S. Miller  <davem@davemloft.net>
390
391         * jump.c (delete_related_insns): If we remove a CALL, make sure
392         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
393
394 2012-05-16  Richard Henderson  <rth@redhat.com>
395
396         PR debug/52727
397         * combine-stack-adj.c (prev_active_insn_bb): New.
398         (next_active_insn_bb): New.
399         (force_move_args_size_note): New.
400         (combine_stack_adjustments_for_block): Use it.
401
402 2012-05-16  Olivier Hainque  <hainque@adacore.com>
403
404         * Makefile.in (install-no-fixedincludes): New target, former toplevel
405         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
406         Add comments and improve stamp preservation across the whole sequence.
407         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
408
409 2012-05-16  Richard Guenther  <rguenther@suse.de>
410
411         PR tree-optimization/53364
412         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
413         detect a view-conversion of the decl.
414
415 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
416
417         PR target/53358
418         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
419         that operands[2] is either immediate, or q_regs_operand.
420
421 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
422
423         Backport r187139 from mainline.
424         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
425
426         PR rtl-optimization/52804
427         * reload1.c (reload_reg_reaches_end_p): Check whether successor
428         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
429         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
430         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
431         RELOAD_FOR_OUTADDR_ADDRESS.
432
433 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
434
435         PR target/46098
436         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
437         generate target register for "load" class builtins.
438
439         Revert:
440         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
441
442         PR target/46098
443         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
444         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
445         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
446         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
447         (<sse>_movu<ssemodesuffix>): New expander.
448         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
449         (avx_movdqu<avxmodesuffix>): New expander.
450         (*sse2_movdqu): Rename from sse2_movdqu.
451         (sse2_movdqu): New expander.
452
453 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
454
455         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
456         lineno 1 the same as lineno 0 before first start file directive.
457         (optimize_macinfo_range): Likewise.
458
459         * dwarf2out.c (have_macinfo): Define.
460         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
461         attribute, don't force empty compilation unit and don't emit any
462         .debug_macinfo/.debug_macro section if macinfo_table is empty.
463
464 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
465
466         Backport from mainline
467         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
468
469         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
470         ORDERED and UNORDERED conditions.
471
472 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
473
474         * function.c (requires_stack_frame_p): If the function can throw
475         non-call exceptions, return true if the insn can throw internally.
476
477 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
478
479         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
480         DECL_ORIGINAL_TYPE if it is present.
481
482 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
483
484         Backport from 2012-05-12 mainline r187342.
485
486         PR target/53256
487         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
488         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
489         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
490         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
491         (expand_prologue): Move initialization of cfun->machine->is_naked,
492         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
493         (avr_set_current_function): ...this new static function.
494         (TARGET_SET_CURRENT_FUNCTION): New define.
495         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
496         checking attributes of current_function_decl.
497         (avr_regs_to_save): Ditto.
498         (signal_function_p): Rename to avr_signal_function_p.
499         (interrupt_function_p): Rename to avr_interrupt_function_p.
500
501         * doc/extend.texi (Function Attributes): Better explanation of
502         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
503         alphabetical order.
504
505 2012-05-09  Matthias Klose  <doko@ubuntu.com>
506
507         * gcc-ar.c (main): Don't check for execute bits for the plugin.
508
509 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
510
511         PR target/53272
512         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
513         when a constant source operand matches an "I" constraint, the "no
514         CC0 change" applies to a register-destination only, not a
515         strict_low_part-destination.
516
517 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
518
519         Backport from mainline:
520         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
521
522         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
523
524 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
525
526         PR tree-optimization/53239
527         * tree-vrp.c (get_value_range): Set VR of
528         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
529         to nonnull.
530
531 2012-05-07  Richard Guenther  <rguenther@suse.de>
532
533         PR tree-optimization/53195
534         * tree-inline.c (setup_one_parameter): Properly add referenced
535         vars from the parameters new known value.
536
537 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
538
539         Backport from mainline:
540         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
541
542         PR target/52999
543         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
544         in constant pool.
545
546 2012-05-04  Ian Lance Taylor  <iant@google.com>
547
548         * tree-vect-patterns.c (vect_single_imm_use): Correct return
549         values from false to NULL.
550
551 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
552
553         Backport from mainline
554         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
555
556         PR target/53228
557         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
558         (TARGET_CMOV): Rename from TARGET_CMOVE.
559         (TARGET_CMOVE): New define.
560         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
561         Do not set TARGET_CMOVE here.
562
563 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
564
565         Backport from mainline:
566
567         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
568
569         PR tree-optimization/52633
570         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
571         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
572         (vect_recog_over_widening_pattern): Remove handling of code that was
573         already detected as over-widening pattern.  Remove special handling
574         of "unsigned" cases.  Instead, support general case of conversion
575         of the shift result to another type.
576
577         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
578
579         * tree-vect-patterns.c (vect_single_imm_use): New function.
580         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
581         (vect_recog_over_widening_pattern): Likewise.
582         (vect_recog_widen_shift_pattern): Likewise.
583
584         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
585
586         PR tree-optimization/52870
587         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
588         presumed pattern statement is within the same loop or basic block.
589
590 2012-05-04  Richard Guenther  <rguenther@suse.de>
591
592         * common.opt (flto-report): Do not mark as Optimization.
593
594 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
595
596         PR target/48496
597         * recog.c (constrain_operands): If extra constraints are present, also
598         accept pseudo-registers with equivalent memory locations during reload.
599
600 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
601
602         Backport from the mainline
603         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
604
605         PR target/53199
606         * config/rs6000/rs6000.md (bswapdi splitters): If
607         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
608         default) is used, generate an alternate sequence that does not
609         depend on using indexed addressing.
610
611 2012-05-03  David S. Miller  <davem@davemloft.net>
612
613         PR target/52684
614         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
615         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
616         (sparc_emit_float_lib_cmp): Likewise.
617
618 2012-05-04  Martin Jambor  <mjambor@suse.cz>
619
620         Backport from mainline
621         2012-05-02  Martin Jambor  <mjambor@suse.cz>
622
623         PR lto/52605
624         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
625         of a variable when the contect is a function.
626
627 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
628
629         PR plugins/53126
630         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
631         append program name to it and pass that as first argument
632         to make_relative_prefix.  Always pass standard_libexec_prefix
633         as last argument to make_relative_prefix.  If
634         make_relative_prefix returns NULL, fall back to
635         standard_libexec_prefix.
636
637         PR debug/53174
638         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
639         removed.
640
641         PR target/53187
642         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
643         mode, return that mode.
644
645 2012-05-03  Richard Guenther  <rguenther@suse.de>
646
647         PR tree-optimization/53144
648         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
649         Rename to ...
650         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
651         with SSA name values.
652         (vn_reference_lookup_3): Adjust callers.
653
654 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
655
656         PR tree-optimization/53163
657         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
658         return value from compute_all_dependences.
659
660         PR rtl-optimization/53160
661         * ree.c (combine_reaching_defs): Handle the case where cand->insn
662         has been modified by ree pass already.
663
664 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
665
666         Backport from mainline
667         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
668
669         PR middle-end/53136
670         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
671         calls to cgraph_node_name in xstrdup.
672         (ipa_make_edge_direct_to_target): Ditto.
673         * tree-sra.c (convert_callers_for_node): Ditto.
674         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
675         * ipa-cp.c (perhaps_add_new_callers): Ditto.
676         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
677         (cgraph_materialize_all_clones): Ditto.
678         * ipa-inline.c (report_inline_failed_reason): Ditto.
679         (want_early_inline_function_p): Ditto.
680         (edge_badness): Ditto.
681         (update_edge_key): Ditto.
682         (flatten_function): Ditto.
683         (ipa_inline): Ditto.
684         (inline_always_inline_functions): Ditto.
685         (early_inline_small_functions): Ditto.
686
687 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
688
689         Backport from mainline
690         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
691
692         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
693         Introduce emul_name to select the right linker emulation for
694         powerpc64-*-freebsd*.
695         * configure: Regenerate.
696         * config.gcc: Add bits to support powerpc64-*-freebsd*.
697         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
698         * config/rs6000/freebsd64.h: New file.
699         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
700         POWERPC_FREEBSD.
701         (rs6000_savres_strategy): Likewise.
702         (rs6000_savres_routine_name): Likewise.
703         (rs6000_elf_file_end): Likewise.
704         * config/rs6000/t-freebsd64: New file.
705         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
706         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
707
708 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
709
710         Backport from mainline
711         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
712
713         PR target/53138
714         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
715
716 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
717
718         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
719         predicate to discriminate types.
720
721 2012-04-27  Richard Guenther  <rguenther@suse.de>
722
723         PR c/51527
724         * convert.c (convert_to_integer): Avoid infinite recursion for
725         target-defined built-in types.
726
727 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
728
729         PR target/53120
730         * config/cris/cris.md ("*andhi_lowpart_v32")
731         ("*andqi_lowpart_v32"): Change first input-only operand from
732         a (match_operand ...) to (match_dup 0).  Drop alternatives with
733         const_int-matching constraints for redundancy.
734         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
735         three-operand alternative.
736
737 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
738
739         Backport from mainline
740         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
741
742         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
743         (*addsi_2_zext): Ditto.
744         (*add<mode>_3): Ditto.
745         (*addsi_3_zext): Ditto.
746         (*add<mode>_5): Ditto.
747
748 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
749
750         PR c/52880
751         * c-typeck.c (set_nonincremental_init,
752         set_nonincremental_init_from_string): Pass true instead of false
753         as IMPLICIT to add_pending_init.
754
755 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
756
757         Backport from 2012-04-24 mainline r186768.
758
759         PR target/53065
760         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
761
762 2012-04-24  Richard Guenther  <rguenther@suse.de>
763
764         PR tree-optimization/53085
765         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
766         stores.
767
768 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
769
770         PR middle-end/53084
771         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
772         of MEM_REF.
773         (output_addressed_constants): Likewise.
774
775         PR middle-end/52999
776         * varasm.c (get_section): Don't ICE for section conflicts with
777         built-in section kinds.
778
779 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
780
781         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
782
783 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
784
785         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
786
787 2012-04-23  Richard Guenther  <rguenther@suse.de>
788
789         PR c/53060
790         * c-typeck.c (build_binary_op): Fix typo.
791
792 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
793
794         PR tree-optimizations/52891
795         * tree-vect-patterns.c (adjust_bool_pattern): Use
796         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
797         but with non-standard precision.
798
799 2012-04-22  Ian Lance Taylor  <iant@google.com>
800
801         * godump.c (go_output_typedef): Dump size of structs.
802
803 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
804
805         Backport from mainline:
806
807         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
808         hints for 'A' operand types.
809
810 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
811
812         Backport from 2012-04-19 mainline r186588.
813
814         PR target/53033
815         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
816         the case *(X+const).
817
818 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
819
820         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
821
822 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
823
824         PR target/53020
825         * config/i386/sync.md (atomic_<code><mode>): Rename to
826         atomic_<logic><mode>.
827
828 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
829
830         Backport from mainline
831         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
832
833         PR target/52932
834         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
835         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
836         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
837         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
838         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
839         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
840         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
841         gen_avx2_permvarv8sf.
842
843 2012-04-16  Martin Jambor  <mjambor@suse.cz>
844
845         Backported from mainline
846
847         2012-04-13  Martin Jambor  <mjambor@suse.cz>
848         PR middle-end/52939
849
850         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
851         fold_ctor_reference returns a zero constant.
852
853 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
854
855         Backported from mainline
856         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
857
858         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
859         and __ILP32__ for x32.
860
861 2012-04-13  Tom de Vries  <tom@codesourcery.com>
862
863         Backport from mainline r186418.
864
865         2012-04-13  Tom de Vries  <tom@codesourcery.com>
866
867         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
868         parameters vuse and vuse_escaped.
869         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
870         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
871         vuse1 != vuse2.
872
873 2012-04-13  Richard Guenther  <rguenther@suse.de>
874
875         PR tree-optimization/52969
876         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
877         the condition for the COND_EXPR and handle predicate negation
878         by swapping the COND_EXPR arms.
879
880 2012-04-13  Richard Guenther  <rguenther@suse.de>
881
882         PR c/52862
883         * convert.c (convert_to_pointer): Remove special-casing of
884         zero.
885
886 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
887
888         Backport from mainline
889         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
890
891         PR target/52775
892         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
893         the list of options to enable the FCFID instruction.
894         (TARGET_EXTRA_BUILTINS): Adjust comment.
895
896 2012-04-12  Richard Guenther  <rguenther@suse.de>
897
898         PR tree-optimization/52943
899         * tree-chrec.h (chrec_is_positive): Remove.
900         * tree-scalar-evolution.c (chrec_is_positive): Move ...
901         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
902         Return false for a constant zero instead of negative.
903         (analyze_siv_subscript_cst_affine): Handle zero difference
904         in the initial condition explicitely.
905
906 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
907
908         PR middle-end/52894
909         * varasm.c (process_pending_assemble_externals): Set
910         pending_assemble_externals_processed true.
911         (assemble_external): Call assemble_external_real if the pending
912         assemble externals have been processed.
913
914 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
915
916         PR target/52717
917         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
918         the DECL generated for the special GOT helper.
919
920 2012-04-06  Walter Lee  <walt@tilera.com>
921
922         Backport from mainline
923         2012-03-07  Walter Lee  <walt@tilera.com>
924
925         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
926         REG_CFA_* notes for the stack pointer.
927         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
928         EH_RETURN_STACKADJ_RTX.
929         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
930         generate REG_CFA_* notes for the stack pointer.
931         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
932         by EH_RETURN_STACKADJ_RTX.
933
934 2012-04-06  Matt Turner  <mattst88@gmail.com>
935
936         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
937
938 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
939
940         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
941         of the destination isn't also a FP_REGS register.
942
943 2012-04-03  Richard Guenther  <rguenther@suse.de>
944
945         Backport from mainline
946         2012-03-02  Richard Guenther  <rguenther@suse.de>
947
948         PR tree-optimization/52406
949         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
950         (struct indices): Add unconstrained_base member.
951         (struct dr_alias): Remove unused vops member.
952         (DR_UNCONSTRAINED_BASE): New define.
953         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
954         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
955         be an artificial access that covers the whole indexed object,
956         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
957         plain decl base-objects to their MEM_REF variant.
958         (dr_may_alias_p): When the base-object of either data reference
959         has unknown size use only points-to information.
960         (compute_affine_dependence): Make dumps easier to read and
961         more verbose.
962         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
963         DR_REF when looking for packed references.
964         (vect_supportable_dr_alignment): Likewise.
965
966 2012-04-03  Richard Guenther  <rguenther@suse.de>
967
968         Backport from mainline
969         2012-03-15  Richard Guenther  <rguenther@suse.de>
970
971         PR middle-end/52580
972         * tree-data-ref.c (subscript_dependence_tester_1): Check
973         all dimensions for non-conflicting access functions.
974
975 2012-04-03  Richard Guenther  <rguenther@suse.de>
976
977         Backport from mainline
978         2012-03-06  Richard Guenther  <rguenther@suse.de>
979
980         PR middle-end/52493
981         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
982
983         2012-03-23  Richard Guenther  <rguenther@suse.de>
984
985         PR tree-optimization/52678
986         * tree-vectorizer.h (struct _stmt_vec_info): Add
987         loop_phi_evolution_part member.
988         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
989         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
990         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
991         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
992         Use the cached evolution part and the PHI nodes value from
993         the loop preheader edge instead of re-analyzing the evolution.
994
995         2012-03-26  Richard Guenther  <rguenther@suse.de>
996
997         PR tree-optimization/52701
998         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
999         compute and set the evolution part of PHI nodes.
1000
1001         2012-03-30  Richard Guenther  <rguenther@suse.de>
1002
1003         PR tree-optimization/52754
1004         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
1005         propagate arbitrary addresses into really plain dereferences.
1006
1007 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
1008
1009         PR tree-optimization/52835
1010         * tree-data-ref.c (build_rdg): Return NULL if
1011         compute_data_dependences_for_loop failed.
1012
1013 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
1014
1015         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
1016         (stmt_can_make_abnormal_goto): Use it.
1017         (is_ctrl_altering_stmt): Likewise.
1018
1019 2012-03-31  Martin Jambor  <mjambor@suse.cz>
1020
1021         Backported from mainline
1022         2012-03-30  Martin Jambor  <mjambor@suse.cz>
1023
1024         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
1025         is a builtin_stack_save in a dominating BB.
1026
1027 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1028
1029         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
1030         crossing 128bit lane boundary.
1031
1032 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
1033
1034         Backported from mainline
1035         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
1036
1037         PR target/52698
1038         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
1039         New prototype.
1040         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
1041         * config/i386/i386.c: Include reload.h.
1042         (ix86_legitimize_reload_address): New function.
1043
1044 2012-03-28  Martin Jambor  <mjambor@suse.cz>
1045
1046         Backported from mainline
1047         2012-03-27  Martin Jambor  <mjambor@suse.cz>
1048
1049         PR middle-end/52693
1050         * tree-sra.c (sra_modify_assign): Do not call
1051         load_assign_lhs_subreplacements when working with an unscalarizable
1052         region.
1053
1054 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1055
1056         PR middle-end/52691
1057         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
1058         __builtin_va_start to __builtin_next_arg if the latter is
1059         builtin_decl_explicit_p rather than when it is not.
1060
1061         PR middle-end/52750
1062         * tree-vect-generic.c (vector_element): Perform multiplication
1063         for pos in bitsizetype type instead of idx type.
1064
1065 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1066
1067         Backport from 2012-03-28 mainline r185910.
1068
1069         PR target/52692
1070         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
1071         (avr_builtin_decl): New static function.
1072         (struct avr_builtin_description, avr_bdesc): Move up.
1073         Add GTY marker. Add field fndecl. Remove redundant field id.
1074         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
1075         (avr_expand_builtin): Code cleanup because .id is removed.
1076
1077 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
1078
1079         PR middle-end/51893
1080         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
1081         targets.
1082
1083 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
1084
1085         Backport from 2012-03-28 mainline r185907.
1086
1087         PR target/52737
1088         * config.gcc (tm_file): Remove avr/multilib.h.
1089
1090         * doc/invoke.texi (AVR Options): Adjust
1091         documentation of -mtiny-stack.
1092
1093         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
1094         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
1095         * config/avr/t-avr: Remove generation of multilib.h.
1096         * config/avr/t-multilib: Regenerate.
1097         * config/avr/multilib.h: Remove.
1098         * config/avr/avr.opt (-msp8): New option.
1099         (avr_sp8): New variable.
1100         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
1101         * config/avr/avr.h (AVR_HAVE_SPH): New define.
1102         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
1103         (avr_device_to_sp8): New prototype.
1104         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
1105         (DRIVER_SELF_SPECS): New define.
1106         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1107         __AVR_SP8__, __AVR_HAVE_SPH__.
1108         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
1109         AVR_HAVE_8BIT_SP to decide if SP_H is present.
1110         (avr_file_start): Ditto.
1111
1112 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
1113
1114         PR target/52736
1115         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
1116         instead of 8 in adjust_address.
1117
1118 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
1119
1120         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
1121         of a unit before computing the offset in units.
1122
1123 2012-03-27  Richard Guenther  <rguenther@suse.de>
1124
1125         PR middle-end/52720
1126         * fold-const.c (try_move_mult_to_index): Handle &x.array more
1127         explicitely.
1128
1129 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
1130
1131         PR target/52610
1132         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
1133
1134 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
1135
1136         PR middle-end/52640
1137         * varasm.c: Include pointer-set.h.
1138         (pending_assemble_externals_set): New pointer set.
1139         (process_pending_assemble_externals): Destroy the pointer set.
1140         (assemble_external): See if decl is in pending_assemble_externals_set,
1141         and add it to pending_assemble_externals if necessary.
1142         (init_varasm_once): Allocate pending_assemble_externals_set.
1143
1144 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
1145
1146         Backported from mainline
1147         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1148
1149         PR target/50310
1150         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1151         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1152         (vector_ltgt<mode>): Likewise.
1153         (vector_ordered<mode>): Likewise.
1154         (vector_unordered<mode>): Likewise.
1155         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1156
1157 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1158
1159         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1160         Make static.
1161
1162 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1163
1164         Backported from mainline
1165         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1166
1167         PR target/48596
1168         PR target/48806
1169         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1170         GENERAL_REGS and FP_REGS for SImode.
1171
1172 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1173
1174         PR middle-end/52547
1175         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1176         on any new_local_var_chain vars declared during recursing on
1177         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1178
1179 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1180
1181         Backport from 2012-03-22 mainline r185692.
1182
1183         PR target/52496
1184         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1185         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1186         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1187         (delay_cycles_1, delay_cycles_2): Ditto.
1188         (delay_cycles_3, delay_cycles_4): Ditto.
1189         (nopv, *nopv): Ditto.
1190         (sleep, *sleep): Ditto.
1191         (wdr, *wdr): Ditto.
1192
1193         Backport from 2012-03-21 mainline r185605.
1194
1195         PR rtl-optimization/52543
1196         PR target/52461
1197         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1198         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1199         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1200         (avr_load_libgcc_p): Restrict to __flash loads.
1201         (avr_out_lpm): Only handle 1-byte loads from __flash.
1202         (avr_load_lpm): New function.
1203         (avr_find_unused_d_reg): Remove.
1204         (avr_out_lpm_no_lpmx): Remove.
1205         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1206         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1207         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1208         (load_<mode>, load_<mode>_clobber): New insns.
1209         (mov<mode>): For multi-byte move from non-generic
1210         16-bit address spaces: Expand to load_<mode> resp.
1211         load_<mode>_clobber.
1212         (load<mode>_libgcc): Remove expander.
1213         (split-lpmx): Remove split.
1214
1215         Backport from 2012-03-13 mainline r185329.
1216
1217         PR target/52488
1218         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1219         offset (size) to a value the insns can deal with.
1220         (expand_epilogue): Ditto.
1221
1222         Backport from 2012-03-12 mainline r185256.
1223
1224         PR target/52499
1225         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1226         type from reg_class_t to enum reg_class.
1227         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1228
1229         Backport from 2012-03-12 mainline r185253.
1230
1231         PR target/52148
1232         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1233         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1234         r184615 from 2012-02-28.
1235
1236         Backport from 2012-03-08 mainline r185105.
1237
1238         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1239         for constants in [-63,63].
1240
1241         Backport from 2012-03-08 mainline r185100.
1242
1243         PR target/52496
1244         * config/avr/avr.c (avr_mem_clobber): New static function.
1245         (avr_expand_delay_cycles): Add memory clobber operand to
1246         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1247         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1248         (enable_interrupt, disable_interrupt): New expander.
1249         (nopv, sleep, wdr): New expanders.
1250         (delay_cycles_1): Add memory clobber.
1251         (delay_cycles_2): Add memory clobber.
1252         (delay_cycles_3): Add memory clobber.
1253         (delay_cycles_4): Add memory clobber.
1254         (cli_sei): New insn from former "enable_interrupt",
1255         "disable_interrupt" with memory clobber.
1256         (*wdt): New insn from former "wdt" with memory clobber.
1257         (*nopv): Similar, but for "nopv".
1258         (*sleep): Similar, but for "sleep".
1259
1260         Backport from 2012-03-07 mainline r185043.
1261
1262         PR target/52484
1263         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1264
1265         Backport from 2012-03-07 mainline r185032.
1266
1267         PR target/52506
1268         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1269         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1270         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1271
1272         Backport from 2012-03-07 mainline r185031.
1273
1274         PR target/52505
1275         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1276         from RAM.
1277         * config/avr/avr.md (xload_8): Adjust insn length.
1278
1279         Backport from 2012-03-07 mainline r185030.
1280
1281         PR target/52461
1282         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1283         if RAMPZ affects reading from RAM.
1284
1285         Backport from 2012-03-05 mainline r184919.
1286
1287         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1288
1289 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1290
1291         Backport from mainline r185259.
1292
1293         PR other/52545
1294         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1295         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1296
1297 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1298
1299         Backported from mainline
1300         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1301
1302         PR c/52577
1303         * c-parser.c (c_parser_postfix_expression)
1304         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1305
1306         * config/i386/smmintrin.h: Avoid /* within a comment.
1307         * config/i386/nmmintrin.h: Likewise.
1308
1309 2012-03-22  Richard Guenther  <rguenther@suse.de>
1310
1311         * BASE-VER: Set to 4.7.1.
1312         * DEV-PHASE: Set to prerelease.
1313
1314 2012-03-22  Release Manager
1315
1316         * GCC 4.7.0 released.
1317
1318 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1319
1320         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1321
1322 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1323             Andrew Pinski  <apinski@cavium.com>
1324
1325         PR middle-end/52592
1326         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1327         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1328         calls instead of __builtin_ir{int,ound}*.
1329
1330 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1331
1332         PR c++/52582
1333         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1334         if c_node is NULL.
1335
1336 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1337
1338         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1339         Refer to GCC 4.7 version of c99status.html.
1340
1341 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1342
1343         Backport from mainline
1344         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1345
1346         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1347         redefine to be NULL if the current bit-size is different from the
1348         configured bit-size.
1349
1350         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1351         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1352         set the default tuning.  Add asserts to make sure the cpu and tune
1353         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1354         test whether the index is set, instead of > 0.
1355         (rs6000_file_start): Do not reset the default cpu if the current
1356         bit-size is different from the configured bit-size.
1357
1358 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1359
1360         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1361         binutils reference.
1362         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1363         Update binutils references.
1364         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1365         Update binutils reference.
1366         Update Sun as/GNU ld caveat.
1367         Document binutils largefile requirement for LTO plugin.
1368         Remove reference to alternate libpthread.
1369
1370 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1371
1372         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1373         reference.
1374         (Specific, mips-sgi-irix6): Likewise.
1375
1376 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1377
1378         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1379         * configure: Regenerate.
1380
1381 2012-03-07  Richard Henderson  <rth@redhat.com>
1382
1383         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1384         * config/m68k/sync.md (atomic_test_and_set): Use it.
1385         (atomic_test_and_set_1): Likewise.
1386
1387 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1388
1389         PR target/51417
1390         * Makefile.in: Let install-gcc-ar depend on installdirs,
1391         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1392         Don't double canonicalize if cross-compiling.
1393
1394 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1395
1396         * trans-mem.c: New typedef for tm_region_p.
1397         Define vector types for tm_region_p.
1398         (tm_region_init): Replace region_worklist to a vector called
1399         bb_regions.
1400
1401 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1402
1403         PR middle-end/52463
1404         * trans-mem.c (tm_region_init): Use last_basic_block.
1405
1406 2012-03-05  Richard Henderson  <rth@redhat.com>
1407
1408         PR tree-opt/52242
1409         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1410         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1411         BIGGEST_ALIGNMENT is aligned.
1412
1413 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1414
1415         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1416
1417 2012-03-05  Richard Henderson  <rth@redhat.com>
1418
1419         PR target/52481
1420         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1421         instead of calling negqi2 directly.
1422
1423 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1424
1425         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1426         (INTMAX_TYPE): Use it.
1427         (UINTMAX_TYPE): Likewise.
1428         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1429         (irix6_c_common_override_options): Declare.
1430         (C_COMMON_OVERRIDE_OPTIONS): Define.
1431         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1432         * config/mips/irix6-c.c: New file.
1433         * config/mips/t-irix6 (irix6-c.o): New target.
1434         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1435         cxx_target_objs.
1436
1437 2012-03-02  Richard Henderson  <rth@redhat.com>
1438
1439         * optabs.c (expand_atomic_test_and_set): Honor
1440         atomic_test_and_set_trueval even when atomic_test_and_set
1441         optab is not in use.
1442
1443 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1444
1445         Backport from mainline
1446         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1447
1448         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1449
1450 2012-03-02  Richard Guenther  <rguenther@suse.de>
1451
1452         * DEV-PHASE: Set to prerelease.
1453
1454 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1455
1456         * config.gcc (obsolete): Add all ARM targets using the FPA.
1457         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1458         * doc/install.texi: Avoid references to obsolete ARM ports.
1459
1460 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1461
1462         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1463
1464 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1465             Joern Rennecke  <joern.rennecke@embecosm.com>
1466
1467         * doc/extend.texi: Expand and update information on interrupt
1468         attribute for Epiphany.
1469
1470 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1471
1472         * config/sh/sh-protos.h: Update copyright notice dates.
1473         * config/sh/sh.h: Likewise.
1474         * config/sh/sh.md: Likewise.
1475         * config/sh/constraints.md: Likewise.
1476         * config/sh/predicates.md: Likewise.
1477
1478 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1479
1480         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1481         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1482
1483 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1484
1485         * config/sh/constraints.md: Fix comment typo.
1486
1487 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1488
1489         PR target/52408
1490         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1491         unsigned HOST_WIDE_INT.
1492         (zvdep_imm64): Likewise.
1493         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1494         (vdepi_and): Likewise.
1495         Likewise for unamed 64-bit patterns.
1496         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1497
1498 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1499
1500         PR debug/52001
1501         PR rtl-optimization/52417
1502         * cselib.c (cselib_any_perm_equivs): New variable.
1503         (cselib_reset_table): Check that it's not set when not
1504         preserving constants.
1505         (cselib_add_permanent_equiv): Set it.
1506         (cselib_have_permanent_equivalences): New.
1507         (cselib_init, cselib_finish): Reset it.
1508         * cselib.h (cselib_have_permanent_equivalences): Declare.
1509         * alias.c (get_addr): Restore earlier behavior when there
1510         aren't permanent equivalences.
1511
1512 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1513
1514         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1515         * config/v850/v850-modes.def: Fix copyright notice.
1516
1517 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1518
1519         * doc/extend.texi (AVR Built-in Functions): Document
1520         __builtin_avr_flash_segment.
1521
1522         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1523         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1524         (*split.flash_segment): New insn-and-split.
1525         * config/avr/avr.c (avr_init_builtins): Add local variables:
1526         const_memx_void_node, const_memx_ptr_type_node,
1527         char_ftype_const_memx_ptr.
1528
1529 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1530
1531         PR tree-optimization/52445
1532         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1533         add ssa_name_ver, offset and size fields and change store field
1534         to bool.
1535         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1536         (add_or_mark_expr): Likewise.  Only consider previous stores
1537         with the same size and offset.
1538         (nt_init_block): Only look at gimple_assign_single_p stmts,
1539         doesn't look at rhs2.
1540
1541 2012-03-01  Richard Guenther  <rguenther@suse.de>
1542
1543         PR middle-end/52443
1544         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1545         conversions from integral types to pointer types.
1546
1547 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1548
1549         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1550         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1551         unintentionally removed in r184616.
1552
1553 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1554
1555         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1556         3DNow from bdver1.
1557
1558 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1559             Uros Bizjak  <ubizjak@gmail.com>
1560
1561         PR target/52437
1562         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1563         alternatives, add "e" constraint to the new last alternative
1564         and ! to last 3 alternatives.
1565
1566 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1567
1568         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1569         DW_AT_artificial attributes at the end of the processing.
1570         (gen_array_type_die): Likewise.
1571         (gen_enumeration_type_die): Likewise.
1572         (gen_struct_or_union_type_die): Likewise.
1573         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1574         the parent type.
1575
1576 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1577
1578         PR middle-end/52419
1579         * expr.c (expand_assignment): If doing misaligned store that doesn't
1580         cover all mode bits, perform a RMW cycle.
1581
1582         PR tree-optimization/52429
1583         * tree-parloops.c (separate_decls_in_region_debug): Return early
1584         if var is LABEL_DECL.
1585
1586 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1587
1588         PR tree-optimization/52424
1589         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1590         calling dom_thread_across_edge.
1591
1592 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1593
1594         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1595
1596 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1597
1598         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1599         * config/avr/avr.c (avr_output_bld): Remove unused function.
1600         (avr_out_sbxx_branch): Use "%T" to print bit position.
1601
1602 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1603
1604         * config/avr/avr.md: Untabify.
1605
1606 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1607
1608         * config/avr/avr.md (eqne): New code iterator.
1609         (*dec-and-branchsi): Use it in text peephole's condition.
1610         (*dec-and-branchhi): Ditto.
1611         (*dec-and-branchqi): Ditto.
1612
1613 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1614
1615         PR target/49939
1616         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1617         the device does not have the skip-bug.
1618
1619 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1620
1621         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1622         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1623         -mpretend-cmove): New.
1624
1625 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR bootstrap/52397
1628         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1629         doesn't count DEBUG_INSN refs.
1630         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1631         for DEBUG_INSN refs.
1632
1633 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1634
1635         Partially revert:
1636
1637         2012-02-20  Richard Guenther  <rguenther@suse.de>
1638         PR tree-optimization/52298
1639         * tree-vect-stmts.c (vectorizable_load): Properly use
1640         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1641         outer loops.
1642
1643 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1644
1645         PR middle-end/51752
1646         * gimple.h (gimple_in_transaction): New.
1647         (gimple_set_in_transaction): New.
1648         (struct gimple_statement_base): Add in_transaction field.
1649         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1650         transaction loads.
1651         (tree_ssa_lim_initialize): Compute transaction bits.
1652         * tree.h (compute_transaction_bits): Protoize.
1653         * trans-mem.c (tm_region_init): Use the heap to store BB
1654         auxilliary data.
1655         (compute_transaction_bits): New.
1656
1657 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1658
1659         * gcc.c (display_help): Document --help=common and sort entries
1660         alphabetically.
1661
1662 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1663
1664         * doc/install.texi: Document check-$LANG specific shortcuts
1665
1666 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1667
1668         PR target/51534
1669         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1670         and vcgtu.
1671         * config/arm/arm_neon.h: Regenerate.
1672         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1673         (neon_vcgeu): New insn.
1674         (neon_vcgtu): Likewise.
1675         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1676         (ops): Unsigned comparison intrinsics call a different
1677         builtin.
1678
1679 2012-02-28  Richard Guenther  <rguenther@suse.de>
1680
1681         PR target/52407
1682         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1683         ordering for the VEC_CONCAT for two element vectors for
1684         V2SFmode, V2SImode and V2DImode.
1685
1686 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1687
1688         PR target/49448
1689         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1690         detecting big-endian triplets.
1691
1692 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1693
1694         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1695         mode if there is no type information available.
1696
1697 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1698
1699         PR tree-optimization/53207
1700         * doc/invoke.texi: Document as experimental and relying on graphite.
1701
1702 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1703
1704         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1705         of initializer to changes from r184614.
1706
1707 2012-02-28  Richard Guenther  <rguenther@suse.de>
1708
1709         PR tree-optimization/52395
1710         * tree-sra.c (build_ref_for_offset): Also look at the base
1711         TYPE_ALIGN when figuring out the alignment of the replacement.
1712
1713 2012-02-28  Richard Guenther  <rguenther@suse.de>
1714
1715         PR tree-optimization/52402
1716         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1717         mis-aligned types when creating the accesses at the call site.
1718
1719 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1720
1721         * config/avr/builtins.def: New file.
1722         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1723         * config/avr/avr.c (enum avr_builtin_id): Use it.
1724         (avr_init_builtins): Use it. And use avr_bdesc.
1725         (bdesc_1arg): Remove.
1726         (bdesc_2arg): Remove.
1727         (bdesc_3arg): Remove.
1728         (struct avr_builtin_description): Add field n_args.
1729         (avr_bdesc): New static variable using builtins.def.
1730         (avr_expand_builtin): Use it.
1731         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1732         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1733         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1734
1735 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1736
1737         PR target/52148
1738         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1739         match only one single hard register with respective hard reg rtx.
1740         (movmemx_<mode>): Ditto.
1741         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1742         insn anatomy of movmem[x]_<mode>.
1743         (avr_out_movmem): Same for printing assembler and operand usage.
1744
1745 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1746
1747         PR target/49868
1748         PR target/52261
1749         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1750         address spaces located outside of device flash.
1751
1752         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1753         (mcu_type_s): Add field n_flash.
1754         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1755         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1756         (AVR_MCU): Add N_FLASH argument.
1757         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1758         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1759         macro __FLASH<n> if that address space makes sense for the device.
1760         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1761         outside of target flash.
1762         (avr_asm_named_section): Ditto.
1763         (avr_asm_select_section): Ditto.
1764         (avr_addr_space_convert): Ditto.
1765         (avr_emit_movmemhi): Ditto.
1766         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1767         address space is outside of device flash.
1768         (avr_insert_attributes): Ditto.
1769         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1770         avr_current_arch->n_segments.
1771
1772 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1773
1774         PR target/52352
1775         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1776         TARGET_LP64.
1777         (*movabs<mode>_2): Likewise.
1778
1779 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR target/52375
1782         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1783         s_register_operand in the test instead of REG_P.  Don't call
1784         gen_reg_rtx if it won't be used.
1785
1786         PR tree-optimization/52376
1787         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1788
1789 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1790
1791         * ifcvt.c (noce_get_condition): Check condition variable is not
1792         small_register_classes_for_mode_p before accepting.
1793
1794 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1795
1796         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1797
1798 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1799
1800         Revert:
1801         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1802         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1803         tuning parameters.
1804         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1805
1806 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1807
1808         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1809
1810 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1811
1812         * config/sh/predicates.md: Remove blank lines.
1813         * config/sh/sh.c: Fix typos in comments.
1814         * config/sh/constraints.md: Likewise.
1815         * config/sh/sh.md: Remove blank lines.
1816         Fix typos in comments.  Use ;; as comment characters.
1817
1818 2012-02-26  Walter Lee  <walt@tilera.com>
1819
1820         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1821         (replace_mov_pcrel_step2): Ditto.
1822
1823 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1824
1825         PR debug/52001
1826         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1827         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1828         and locs that reference values newer than the non-canonical value
1829         at hand.  Return the canonical value as a worst case.
1830         (memrefs_conflict_p): Walk canonical value's locs.
1831
1832         PR debug/52001
1833         * cselib.c (preserve_only_constants): Rename to...
1834         (preserve_constants_and_equivs): ... this.  Split out...
1835         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1836         of other preserved expressions too.
1837         (cselib_reset_table): Adjust.
1838         * var-tracking.c (reverse_op): Use canonical value to build
1839         reverse operation.
1840
1841 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1842
1843         * config/i386/i386.c (ix86_delegitimize_address): Handle
1844         UNSPEC_PCREL plus displacement.
1845
1846 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1847
1848         PR target/52261
1849         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1850         to test for unusedness in st X addressing.
1851
1852 2012-02-24  Richard Guenther  <rguenther@suse.de>
1853
1854         PR middle-end/52361
1855         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1856         (is_gimple_reg_type): Move inline ...
1857         * gimple.h (is_gimple_reg_type): ... here.
1858
1859 2012-02-24  Richard Guenther  <rguenther@suse.de>
1860
1861         PR middle-end/52361
1862         * passes.c (execute_function_todo): When verifying SSA form
1863         verify gimple form first.
1864         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1865
1866 2012-02-24  Richard Guenther  <rguenther@suse.de>
1867
1868         PR middle-end/52355
1869         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1870         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1871
1872 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1873
1874         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1875
1876 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1877
1878         * tree-phinodes.c (make_phi_node): Mark static.
1879         * tree-flow.h (make_phi_node): Remove extern decl.
1880         * doc/gimple.texi (make_phi_node): Remove documentation.
1881
1882 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1883
1884         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1885         * tree-ssa-sccvn.c (print_scc): Ditto.
1886
1887 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1888
1889         * doc/passes.texi (Full redundancy elimination): Fix typo.
1890
1891 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1892
1893         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1894
1895 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1896
1897         PR bootstrap/52287
1898         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1899
1900 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1901
1902         PR c/52290
1903         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1904
1905 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1906
1907         * config/avr/avr.md (code_stdname): Add ior, xor.
1908         (xior): New code iterator.
1909         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1910         (*<code_stdname><mode>qi.byte1-3): Ditto.
1911
1912 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1913
1914         PR tree-optimization/52019
1915         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1916         CLOBBER stmts.
1917
1918 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1919
1920         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1921         HAVE_INITFINI_ARRAY to work around namespace pollution in
1922         certain versions of newlib system headers.
1923         * config.in: Regenerate.
1924         * configure: Regenerate.
1925         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1926         instead of HAVE_INITFINI_ARRAY.
1927
1928 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         PR target/52330
1931         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1932         is not offsettable memory reference.
1933
1934 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1935
1936         PR target/18145
1937         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1938         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1939
1940 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1941
1942         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1943         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1944
1945 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1946
1947         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1948         library on Solaris 8 even without TLS support.
1949         * configure: Regenerate.
1950
1951 2012-02-22  Richard Guenther  <rguenther@suse.de>
1952
1953         PR middle-end/52329
1954         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1955         for GIMPLE_DEBUG stmts.
1956
1957 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1958
1959         PR middle-end/51782
1960         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1961         according to the base object.
1962
1963 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1964
1965         PR rtl-optimization/50063
1966         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1967         and 2 (8-bit SP) in operand 2.
1968         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1969         setup to use movhi_sp_r instead of vanilla move to write SP.
1970         Adjust REG_CFA notes to superseed unspec.
1971         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1972         of vanilla move.
1973         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1974         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1975         irq_state 1 (IRQ known to be on) here.
1976
1977 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1978
1979         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1980         WORDS_BIG_ENDIAN.
1981         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1982         assign_hard_reg): Likewise.
1983
1984 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1985
1986         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1987
1988 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1989
1990         * config/avr/avr.md
1991         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1992         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1993
1994 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1995
1996         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1997         prototype from here to...
1998         * config/avr/avr.h: ...here.
1999
2000 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2001
2002         PR target/52294
2003         * thumb2.md (thumb2_shiftsi3_short): Split register and
2004         immediate shifts.  For register shifts tie operands 0 and 1.
2005         (peephole2 for above): Check that register-controlled shifts
2006         have suitably tied operands.
2007
2008 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2009
2010         PR target/52137
2011         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2012         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2013         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2014         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2015         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2016         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2017         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2018         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2019         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2020         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2021         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2022         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2023         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2024         bdver1_ssevector_avx256_unaligned_load,
2025         bdver1_ssevector_sse128_unaligned_load,
2026         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2027         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2028         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2029         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2030         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2031         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2032         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2033         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2034         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2035         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2036         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2037         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2038         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2039         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2040         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2041         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2042         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2043         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2044         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2045         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2046         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2047         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2048         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2049         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2050         bdver1_ssediv_double_load, bdver1_ssediv_double,
2051         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2052         Add "bdver2" attribute.
2053
2054 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2055
2056         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2057         default if possible and not specified otherwise.
2058
2059 2012-02-21  Richard Guenther  <rguenther@suse.de>
2060
2061         PR middle-end/52314
2062         * gimplify.c (create_tmp_from_val): Use the main variant type
2063         for the type of the temporary we create.
2064
2065 2012-02-21  Richard Guenther  <rguenther@suse.de>
2066
2067         PR tree-optimization/52324
2068         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2069         do not gimplify a MEM_REF address operand if it is already
2070         in suitable form.
2071
2072 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2073
2074         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2075         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2076
2077 2012-02-21  Richard Guenther  <rguenther@suse.de>
2078
2079         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2080         nested_in_vect_loop.
2081
2082 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2083
2084         PR tree-optimization/52318
2085         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2086         vdef also to non-pure/const call stmts in the sequence.
2087
2088 2012-02-20  David S. Miller  <davem@davemloft.net>
2089
2090         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2091         don't use the "rd %pc" instruction on v9 for PIC register loads.
2092
2093 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2094
2095         PR middle-end/52141
2096         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2097         in a transaction safe function.
2098
2099 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2100
2101         PR target/52238
2102         * stor-layout.c (place_field): Handle desired_align for
2103         ms-bitfields, too.
2104
2105 2012-02-20  Richard Guenther  <rguenther@suse.de>
2106
2107         PR tree-optimization/52298
2108         * tree-vect-stmts.c (vectorizable_store): Properly use
2109         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2110         outer loops.
2111         (vectorizable_load): Likewise.
2112         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2113         Access DR_STEP after ensuring it is not NULL.
2114
2115 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2116
2117         PR tree-optimization/52286
2118         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2119         optimization use double_int_to_tree instead of build_int_cst_wide,
2120         rewrite to use double_int vars.
2121
2122 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2123
2124         PR target/50166
2125         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2126         Define _start.
2127         Remove -e 0 from $gcc_cv_ld invocation.
2128         Only use __GLIBC_PREREQ if defined.
2129         Enable on Solaris since Solaris 8 patch.
2130         (gcc_SUN_LD_VERSION): New macro.
2131         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2132         gcc_SUN_LD_VERSION for version number format.
2133         * configure: Regenerate.
2134         * varasm.c (get_elf_initfini_array_priority_section): Set
2135         SECTION_NOTYPE for non-default priority.
2136         Use get_section instead of get_unnamed_section to emit
2137         .init_array/.fini_array with default priority.
2138
2139 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2140
2141         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2142         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2143         (mips_start_unique_function, mips_output_mips16_rdhwr)
2144         (mips_code_end): New functions.
2145         (TARGET_ASM_CODE_END): Define.
2146
2147 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2148
2149         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2150         to stubs with non-sibling calls.
2151
2152 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2153
2154         * doc/invoke.texi (-fira-* options): Copy-edit.
2155         (ira-* parameters): Copy-edit.
2156
2157 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2158
2159         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2160         GCC coding conventions.
2161
2162 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2163
2164         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2165         when used as adjectives.
2166
2167 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2168
2169         * doc/invoke.texi: Clean up "that"/"which" confusion.
2170
2171 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2172
2173         * system.h: Poison SMALL_REGISTER_CLASSES
2174         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2175         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2176
2177 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2178
2179         PR tree-optimization/52285
2180         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2181         when deciding if a call is a tail call or tail recursion.
2182
2183 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2184
2185         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2186         interger-constant displacement for UNSPEC_PCREL.
2187
2188 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2189
2190         PR rtl-optimization/52208
2191         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2192         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2193
2194         PR tree-optimization/52255
2195         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2196         loop->header has virtual PHI, but exit_e->dest doesn't, add
2197         virtual PHI to exit_e->dest and adjust all uses after the loop.
2198
2199         PR debug/52260
2200         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2201         children with clone_tree_hash, not after it.
2202
2203 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2204
2205         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2206         extended identifiers.
2207
2208 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR middle-end/51929
2211         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2212         a same_body_alias, also test whether e->callee isn't a former
2213         or current clone of the decl this is a same body alias of.
2214
2215         PR translation/52264
2216         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2217
2218 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2219
2220         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2221
2222 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2223
2224         PR target/52199
2225         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2226         force_reg instead of copy_to_reg for better optimization.  Force
2227         non-register or memory operands into a register.
2228
2229 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2230
2231         * extend.texi: Reserve upper bits of memory model for future use.
2232
2233 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2234             Anatoly Sokolov <aesok@post.ru>
2235             Eric Weddington <eric.weddington@atmel.com>
2236
2237         PR target/52261
2238         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2239         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2240         Rewrite initializers for .macro.
2241         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2242         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2243         atxmega32d4, atxmega32x1.
2244         avrxmega4: atxmega64a3, atxmega64d3.
2245         avrxmega5: atxmega64a1, atxmega64a1u.
2246         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2247         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2248         avrxmega7: atxmega128a1, atxmega128a1u.
2249         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2250         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2251         (struct base_arch_s): Rename reserved to xmega_p.
2252         Rename reserved2 to have_rampd.
2253         (AVR_XMEGA): New define.
2254         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2255         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2256         * config/avr/predicates.md (io_address_operand): Take into
2257         account SFR offset.
2258         (low_io_address_operand): Ditto.
2259         (high_io_address_operand): Ditto.
2260         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2261         (enabled, movhi_sp_r): Use them.
2262         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2263         cpp_define_formatted to built-in define __AVR_ARCH__.
2264         (__AVR_XMEGA__): New built-in define.
2265         (__AVR_HAVE_RAMPD__): New built-in define.
2266         (__AVR_HAVE_RAMPX__): New built-in define.
2267         (__AVR_HAVE_RAMPY__): New built-in define.
2268         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2269
2270         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2271         (avr_option_override): Initialize them.
2272         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2273         (avr_init_expanders): Initialize them. No more block several calls.
2274         (emit_push_sfr): New static function.
2275         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2276         Handle AVR_XMEGA.
2277         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2278         (avr_print_operand): Print addreeses as symbols for
2279         RAMPX, RAMPY, RAMPD, CCP.
2280         (output_movhi): Handle AVR_XMEGA when writing to SP.
2281         (avr_out_movhi_mr_r_xmega): New static function.
2282         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2283         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2284         __RAMPD__,  __CCP__ as needed.
2285
2286         * config/avr/multilib.h: Regenerate.
2287         * config/avr/t-multilib: Regenerate.
2288         * config/avr/avr-tables.opt: Regenerate.
2289
2290 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2291
2292         PR tree-optimization/50561
2293         * graphite-flattening.c (lst_project_loop): Do not
2294         remove old scattering dimensions after flattening.
2295         (lst_do_flatten): Likewise.
2296
2297 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2298
2299         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2300         __builtin_avr_map8, __builtin_avr_map16.
2301         Document __builtin_avr_insert_bits.
2302
2303         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2304         (insert_bits): New insn.
2305         (adjust_len.map_bits): Rename to insert_bits.
2306         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2307         * avr-protos.h (avr_out_map_bits): Remove.
2308         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2309         * config/avr/constraints.md (Cxf,C0f): New.
2310         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2311         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2312         New built-in define __BUILTIN_AVR_INSERT_BITS.
2313         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2314         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2315         (avr_move_bits): Rewrite.
2316         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2317         functions.
2318         (avr_map_op_t): New typedef.
2319         (avr_map_op): New static variable.
2320         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2321         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2322         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2323         (bdesc_3arg, avr_expand_triop_builtin): New.
2324         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2325         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2326         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2327         (avr_map_equal_p, avr_map_sig_p): Remove.
2328         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2329         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2330         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2331         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2332         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2333         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2334
2335 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2336
2337         * config/c6x/c6x.md (reserve_cycles): New attribute.
2338         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2339         don't reserve functional units after the branch occurs.
2340
2341 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2342
2343         PR middle-end/52142
2344         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2345         functions into non-tm_pure functions.
2346
2347 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2348
2349         PR lto/52178
2350         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2351         (iterative_hash_canonical_type): Likewise.
2352         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2353         the dead edges.
2354
2355 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2356
2357         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2358         sched-group insn, it either remains alone or the entire list is pruned.
2359
2360 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2361
2362         * doc/install.texi (Prerequisites): Fix grammar.
2363         (Configuration): Likewise.
2364
2365 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2366
2367         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2368         MPC as part of GCC before describing configuring with --with-gmp etc.
2369         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2370         sources are present.
2371
2372 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2373
2374         PR debug/51950
2375         * dwarf2out.c (clone_tree_hash): New function.
2376         (copy_decls_walk): Use it instead of clone_tree.
2377
2378 2012-02-14  Richard Guenther  <rguenther@suse.de>
2379
2380         PR tree-optimization/52244
2381         PR tree-optimization/51528
2382         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2383         replacements for integral types.
2384
2385 2012-02-14  Walter Lee  <walt@tilera.com>
2386
2387         * config.gcc: Handle tilegx and tilepro.
2388         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2389         tilegx and tilepro.
2390         Add HAVE_AS_TLS check for tilegx and tilepro.
2391         * configure: Regenerate.
2392         * doc/contrib.texi: Add Mat Hostetter and self.
2393         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2394         Document instruction intrinsics and network accessing intrinsics.
2395         (TILEPro Built-in Functions): New node.  Document instruction
2396         intrinsics and network accessing intrinsics.
2397         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2398         (Specific, tilepro-*-linux*): Likewise.
2399         * doc/invoke.texi (TILE-Gx Options): New section.
2400         (TILEPro Options): New section.
2401         * doc/md.texi (TILE-Gx): New section.
2402         (TILEPro): New section.
2403         * common/config/tilegx/tilegx-common.c: New file.
2404         * common/config/tilepro/tilepro-common.c: New file.
2405         * config/tilegx/constraints.md: New file.
2406         * config/tilegx/linux.h: New file.
2407         * config/tilegx/mul-tables.c: New file.
2408         * config/tilegx/predicates.md: New file.
2409         * config/tilegx/sync.md: New file.
2410         * config/tilegx/t-tilegx: New file.
2411         * config/tilegx/tilegx-builtins.h: New file.
2412         * config/tilegx/tilegx-c.c: New file.
2413         * config/tilegx/tilegx-generic.md: New file.
2414         * config/tilegx/tilegx-modes.def: New file.
2415         * config/tilegx/tilegx-multiply.h: New file.
2416         * config/tilegx/tilegx-protos.h: New file.
2417         * config/tilegx/tilegx.c: New file.
2418         * config/tilegx/tilegx.h: New file.
2419         * config/tilegx/tilegx.md: New file.
2420         * config/tilegx/tilegx.opt: New file.
2421         * config/tilepro/constraints.md: New file.
2422         * config/tilepro/gen-mul-tables.cc: New file.
2423         * config/tilepro/linux.h: New file.
2424         * config/tilepro/mul-tables.c: New file.
2425         * config/tilepro/predicates.md: New file.
2426         * config/tilepro/t-tilepro: New file.
2427         * config/tilepro/tilepro-builtins.h: New file.
2428         * config/tilepro/tilepro-c.c: New file.
2429         * config/tilepro/tilepro-generic.md: New file.
2430         * config/tilepro/tilepro-modes.def: New file.
2431         * config/tilepro/tilepro-multiply.h: New file.
2432         * config/tilepro/tilepro-protos.h: New file.
2433         * config/tilepro/tilepro.c: New file.
2434         * config/tilepro/tilepro.h: New file.
2435         * config/tilepro/tilepro.md: New file.
2436         * config/tilepro/tilepro.opt: New file.
2437
2438 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2439
2440         PR tree-optimization/52210
2441         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2442         vect_model_simple_cost with two entry vect_def_type array instead
2443         of an address of dt.
2444
2445 2012-02-14  Richard Guenther  <rguenther@suse.de>
2446
2447         PR lto/52178
2448         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2449         Do not stream DECL_QUALIFIER.
2450         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2451         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2452         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2453
2454 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2455
2456         PR c/52181
2457         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2458         newdecl.
2459
2460 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR bootstrap/52172
2463         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2464         * cselib.c (cselib_subst_to_values_from_insn): New function.
2465         * sched-deps.c (add_insn_mem_dependence,
2466         sched_analyze_1, sched_analyze_2): Use it.
2467
2468 2012-02-13  Jan Hubicka  <jh@suse.cz>
2469
2470         PR middle-end/52214
2471         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2472
2473 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2474
2475         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2476         (GTM_SELF_SPECS): Define if not already defined.
2477         (driver_self_specs): Add GTM_SELF_SPECS.
2478         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2479         (GTM_SELF_SPECS): Define.
2480         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2481         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2482
2483 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2484
2485         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2486         away if seen.
2487
2488         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2489
2490         PR middle-end/52230
2491         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2492         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2493
2494 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2495
2496         PR c/52190
2497         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2498
2499 2012-02-13  Richard Guenther  <rguenther@suse.de>
2500
2501         PR translation/52211
2502         * passes.c (enable_disable_pass): Fix typo.
2503
2504 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2505
2506         PR middle-end/52209
2507         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2508         XOR for reduce_bit_field if type is unsigned.
2509
2510 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2511
2512         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2513         disallow changes from SFmode to mode with different size in FP regs.
2514
2515 2012-02-12  Robert Millan  <rmh@gnu.org>
2516             Gerald Pfeifer <gerald@pfeifer.com>
2517
2518         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2519         Tweak comment.
2520
2521 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2522
2523         PR rtl-optimization/52175
2524         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2525         to frame-related instructions.
2526
2527 2012-02-10  Jason Merrill  <jason@redhat.com>
2528
2529         PR c++/51910
2530         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2531         (demangle_new_symbols): Fill it.
2532         (scan_linker_output): Walk it.
2533         (start_tweaking): Split out from scan_linker_output.
2534         (maybe_tweak): Update sym->chosen.
2535         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2536
2537 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2538
2539         PR debug/52132
2540         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2541
2542 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2543
2544         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2545         having the same mode as previous compare.
2546
2547 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2548
2549         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2550         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2551         (nonlocal_goto_internal): Likewise.
2552         (nonlocal_goto): Emit a use and an indirect jump directly.
2553
2554 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2555
2556         PR c/52190
2557         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2558         __atomic_{is,always}_lock_free.
2559
2560 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2561
2562         PR target/52146
2563         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2564         negative constant address for x32.
2565
2566 2012-02-10  Richard Henderson  <rth@redhat.com>
2567
2568         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2569         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2570         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2571
2572 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2573             Ira Rosen  <irar@il.ibm.com>
2574
2575         PR tree-optimization/50031
2576         * targhooks.c (default_builtin_vectorization_cost): Handle
2577         vec_promote_demote.
2578         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2579         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2580         all types of reduction and pattern statements.
2581         (vect_estimate_min_profitable_iters): Likewise.
2582         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2583         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2584         for explicit realigns.
2585         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2586         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2587         vec_promote_demote.
2588         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2589         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2590         vec_perm for VSX and handle vec_promote_demote.
2591
2592 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2593
2594         PR middle-end/52177
2595         * builtins.c (fold_builtin_atomic_always_lock_free,
2596         expand_builtin_atomic_always_lock_free,
2597         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2598         Return and/or test boolean_true_node/boolean_false_node instead of
2599         integer_one_node/integer_zero_node.
2600
2601 2012-02-10  Jan Hubicka  <jh@suse.cz>
2602
2603         PR middle-end/48600
2604         * predict.c (predict_paths_for_bb): Prevent looping.
2605         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2606
2607 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2608
2609         * config/arm/arm.c (output_move_double): In one case properly
2610         count number of instructions that will be emitted.
2611
2612 2012-02-10  Richard Guenther  <rguenther@suse.de>
2613
2614         PR translation/52193
2615         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2616
2617 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2618
2619         PR middle-end/52140
2620         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2621
2622 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2623
2624         PR debug/52165
2625         * var-tracking.c (emit_note_insn_var_location): If
2626         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2627         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2628         non-NOTE_DURING_CALL_P insn.
2629
2630 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2631
2632         PR middle-end/51867
2633         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2634
2635 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2636
2637         PR driver/48524
2638         * gcc.c (switch_matches) Support switches with separated form,
2639         -D and -U.
2640
2641 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2642
2643         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2644         (SP_ADDR): Ditto.
2645         (RAMPZ_ADDR): Ditto.
2646         * config/avr/avr.c (avr_addr_t): New typedef.
2647         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2648         (avr_init_expanders): Initialize it.
2649         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2650         SREG_ADDR.
2651         (expand_epilogue): Ditto.
2652         (avr_print_operand): Ditto.
2653         (avr_file_start): Ditto.
2654         (avr_emit_movmemhi): Ditto.
2655
2656 2012-02-08  Richard Guenther  <rguenther@suse.de>
2657
2658         PR tree-optimization/46886
2659         * tree-flow.h (do_while_loop_p): Declare.
2660         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2661         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2662
2663 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2664
2665         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2666         always succeed for integers larger than a native word.
2667
2668 2012-02-08  Richard Guenther  <rguenther@suse.de>
2669
2670         PR rtl-optimization/52170
2671         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2672         properly handle integer vector modes.
2673
2674 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2675
2676         PR gcov-profile/52150
2677         * coverage.c: Include target.h.
2678         (build_var): Call targetm.strip_name_encoding on the assembler name.
2679         Change one _ into . or $ if the target allows it.
2680         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2681
2682         PR rtl-optimization/52139
2683         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2684         is a BARRIER after emit_insn_after_noloc, move BB_END
2685         to the last non-BARRIER insn before it.
2686
2687 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2688
2689         PR middle-end/24306
2690         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2691         (mips_gimplify_va_arg_expr): Call it instead of
2692         std_gimplify_va_arg_expr.
2693
2694 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2695
2696         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2697         message for -mno-pointers-to-nested-function.
2698
2699 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2700
2701         PR middle-end/51994
2702         * expr.c (get_inner_reference): If there is an offset, add a negative
2703         bit position to it (if any).
2704
2705 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR rtl-optimization/52060
2708         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2709         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2710         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2711         and/or i0src_copy2 when needed.
2712
2713 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2714
2715         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2716         or LTOPLUGINSONAME if have_c.
2717
2718         * config/freebsd-spec.h: Add comment about what macros can be defined
2719         in this header.
2720         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2721         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2722         here instead.
2723
2724 2012-02-07  Richard Guenther  <rguenther@suse.de>
2725
2726         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2727         newline in -alias dumps.
2728
2729 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2730             Dave Korn  <dave.korn.cygwin@gmail.com>
2731
2732         PR target/40068
2733         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2734         Take care that typinfo gets dllexport-attribute.
2735
2736 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2737
2738         PR middle-end/52074
2739         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2740         if modifier < EXPAND_SUM call force_operand on the result.
2741
2742 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2743
2744         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2745         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2746         present.
2747         (epiphany_function_type): Replace types for specific interrupts with
2748         EPIPHANY_FUNCTION_INTERRUPT.
2749         (EPIPHANY_INTERRUPT_P): Update.
2750         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2751         New static function.
2752         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2753         <disinterrupt>: Affects type identity.
2754         (epiphany_handle_interrupt_attribute): Handle variable number of
2755         arguments.
2756         (epiphany_compute_function_type): Update for new
2757         epiphany_function_type definition.
2758         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2759         handlers with a longcall forwarder.
2760         (epiphany_start_function): Handle multiple interrupt arguments and/or
2761         forwarder_section attribute.
2762
2763         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2764         libgloss.
2765
2766 2012-02-07  Alan Modra  <amodra@gmail.com>
2767
2768         PR target/52107
2769         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2770         subregs of TFmode.
2771
2772 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2773
2774         PR tree-optimization/50969
2775         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2776         use vec_perm rather than vector_stmt.
2777         (vect_model_load_cost): Likewise.
2778         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2779         vec_perm to be the same as other vector statements.
2780         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2781         cost of vec_perm for TARGET_VSX.
2782
2783 2012-02-06  Richard Guenther  <rguenther@suse.de>
2784
2785         PR tree-optimization/52115
2786         * tree-sra.c (access_has_replacements_p): New function.
2787         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2788
2789 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2790
2791         PR middle-end/52047
2792         * trans-mem.c (expand_call_tm): Add an assertion.
2793         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2794         functions.
2795
2796 2012-02-06  Richard Guenther  <rguenther@suse.de>
2797
2798         PR tree-optimization/50955
2799         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2800         raise cost of expressions that replace an address with an
2801         expression based on a different pointer.
2802
2803 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2804
2805         PR target/52129
2806         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2807         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2808
2809 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2810
2811         PR c++/48680
2812         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2813         -Weffc++ and specify guidelines come from second edition.
2814
2815 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2816
2817         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2818         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2819         (call_direct_split, call_value_split, call_value_internal_direct)
2820         (call_value_direct_split, call_value_multiple_split): Use jal and
2821         jal_macro attributes.
2822
2823 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2824
2825         * reload1.c (reload_regs_reach_end_p): Replace with...
2826         (reload_reg_rtx_reaches_end_p): ...this function.
2827         (new_spill_reg_store): Update commentary.
2828         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2829         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2830         before setting new_spill_reg_store.
2831         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2832         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2833         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2834         for non-spill reload registers.
2835
2836 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2837
2838         PR tree-optimization/52091
2839         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2840         (vect_is_simple_use_1): Likewise.
2841         * tree-vect-loop.c (vectorizable_reduction): Update calls
2842         to vect_is_simple_use_1 and vect_is_simple_use.
2843         (vectorizable_live_operation): Likewise.
2844         * tree-vect-patterns.c (widened_name_p,
2845         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2846         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2847         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2848         vectorizable_shift,vectorizable_operation, vectorizable_store,
2849         vectorizable_load): Likewise.
2850         (vect_is_simple_cond): Add an argument, pass it to
2851         vect_is_simple_use_1.
2852         (vectorizable_condition): Update calls to vect_is_simple_cond,
2853         vect_is_simple_use.
2854         (vect_is_simple_use): Add an argument, the statement in which
2855         OPERAND is used.  Check that if OPERAND's def stmt is a double
2856         reduction phi node, the use is a phi node too.
2857         (vect_is_simple_use_1): Add an argument, pass it to
2858         vect_is_simple_use.
2859         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2860         to vect_is_simple_use.
2861
2862 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2863
2864         PR rtl-optimization/52095
2865         * modulo-sched.c (dump_insn_locator): New function.
2866         (loop_canon_p, sms_schedule): Use it.
2867
2868         PR rtl-optimization/52113
2869         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2870         even for decomposable shift/zext insns.
2871
2872 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2873             Zdenek Dvorak  <ook@ucw.cz>
2874
2875         PR rtl-optimization/52092
2876         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2877         on get_iv_value result.
2878
2879 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2880
2881         PR middle-end/47982
2882         PR middle-end/43967
2883         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2884
2885 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2886
2887         PR middle-end/48071
2888         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2889
2890 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2891
2892         PR rtl-optimization/49800
2893         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2894         (sched_finish): Call regstat_free_n_sets_and_refs.
2895
2896 2012-02-02  Jia Liu  <proljc@gmail.com>
2897
2898         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2899         than operand 2.
2900
2901 2012-02-02  Jan Hubicka  <jh@suse.cz>
2902             Tom de Vries  <tom@codesourcery.com>
2903
2904         PR middle-end/51998
2905         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2906         * varpool.c (varpool_analyze_pending_decls): Likewise.
2907
2908 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2909             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2910
2911         * config.gcc: Add cr16-* support.
2912
2913         * doc/extend.texi: Document cr16 extensions.
2914         * doc/install.texi: Document cr16 install.
2915         * doc/invoke.texi: Document cr16 options.
2916         * doc/md.texi: Document cr16 constraints.
2917
2918         * common/config/cr16/cr16-common.c: New file.
2919         * config/cr16/cr16.c: New file.
2920         * config/cr16/cr16.h: New file.
2921         * config/cr16/cr16.md: New file.
2922         * config/cr16/cr16.opt: New file.
2923         * config/cr16/cr16-protos.h: New file.
2924         * config/cr16/predicates.md: New file.
2925         * config/cr16/constraints.md: New file.
2926         * config/cr16/t-cr16: New file.
2927
2928 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2929
2930         PR target/52086
2931         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2932         that operands[2] is either immediate, or q_regs_operand.
2933
2934         PR tree-optimization/52073
2935         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2936         a pattern stmt for pattern uses, ignore uses outside of the loop.
2937
2938 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2939
2940         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2941         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2942         (OUT_AS1, OUT_AS2): Remove.
2943
2944 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2945
2946         PR rtl-optimization/51374
2947         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2948         to cross other volatile_refs_p insns.
2949
2950 2012-02-01  Richard Guenther  <rguenther@suse.de>
2951
2952         * doc/invoke.texi (fno-inline): Clarify documentation.
2953         (finline-small-functions): Likewise.
2954         (finline-functions): Likewise.
2955         * common.opt (finline): Adjust comment and documentation.
2956         (finline-small-functions): Clarify documentation.
2957         (finline-functions): Likewise.
2958         (finline-functions-called-once): Likewise.
2959
2960 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2961
2962         * c-typeck.c (composite_type): Keep mode for pointers.
2963
2964 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2965
2966         * function.h (regno_reg_rtx): Adjust comment.
2967         * reginfo.c (init_reg_modes_target): Only use the previous mode
2968         if it fits within one register.  Remove MIPS comment.
2969
2970 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2971
2972         PR bootstrap/52058
2973         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2974
2975 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2976
2977         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2978         to srak instruction.
2979
2980 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2981
2982         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2983
2984 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR bootstrap/52041
2987         PR bootstrap/52039
2988         PR target/51974
2989         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2990
2991 2012-01-31  Richard Guenther  <rguenther@suse.de>
2992
2993         PR tree-optimization/51528
2994         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2995         assigns.
2996
2997 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2998
2999         PR bootstrap/52041
3000         PR bootstrap/52039
3001         PR target/51974
3002         * ree.c (add_removable_extension): Change def_map argument
3003         to unsigned *, store in def_map 1 + offset into *insn_list vector
3004         instead of pointers into the vector.
3005         (find_removable_extensions): Adjust caller.
3006
3007 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3008
3009         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3010         Transform all "* quoted-c-code" to { c-code }.
3011         Remove redundant test for "optimize" in combine patterns.
3012         Move (include "avr-dimode.md") to end of file.
3013
3014 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3015
3016         PR target/51835
3017         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3018         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3019
3020 2012-01-30  Richard Guenther  <rguenther@suse.de>
3021
3022         PR tree-optimization/52028
3023         * tree-loop-distribution.c (ldist_gen): Properly update
3024         virtual SSA form.
3025
3026 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3027
3028         PR debug/52027
3029         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3030         set_cur_line_info_table if not emitting debug info.
3031
3032         PR tree-optimization/52046
3033         * tree-vect-patterns.c (check_bool_pattern): Give up if
3034         a comparison could throw.
3035
3036         PR debug/52048
3037         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3038
3039 2012-01-30  Richard Guenther  <rguenther@suse.de>
3040
3041         PR tree-optimization/52045
3042         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3043         SSA form if cfgcleanup did anything.
3044
3045 2012-01-30  Richard Guenther  <rguenther@suse.de>
3046
3047         PR tree-optimization/52045
3048         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3049         before computing final todo.
3050
3051 2012-01-30  Richard Guenther  <rguenther@suse.de>
3052
3053         PR tree-optimization/51528
3054         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3055         for PR51528 fix.
3056
3057 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3058
3059         * df-problems.c (df_kill_notes): Check that the use refers
3060         to the note under examination.
3061
3062 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3063
3064         PR target/51920
3065         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3066         parameter and use short-lived pseudos.
3067         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3068         (sparc_expand_vector_init): Const-ify local variables and adjust
3069         calls to above functions.
3070
3071 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3072
3073         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3074
3075 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3076
3077         * doc/invoke.texi: Make usage of "compile time" and
3078         "run time"/"runtime" consistent throughout the file.
3079
3080 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3081
3082         * config/alpha/alpha.c (alpha_option_override): Default to
3083         full IEEE compliance mode for Go language.
3084
3085 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3086
3087         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3088         (LINK_SSP_SPEC): Define.
3089
3090 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3091
3092         PR target/51871
3093         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3094         stubs.
3095
3096 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3097
3098         * doc/invoke.texi: Correct hyphenation of "floating point",
3099         "double precision", and related terminology throughout the file.
3100
3101 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3102
3103         PR target/52006
3104         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3105         arm_general_register_operand predicate for operand 2 instead of
3106         register_operand.
3107
3108 2012-01-27  Ian Lance Taylor  <iant@google.com>
3109
3110         PR go/47656
3111         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3112         * builtins.c (expand_builtin_init_trampoline): Add onstack
3113         parameter.  Change caller.
3114         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3115         * tree.c (build_common_builtin_nodes): Declare
3116         __builtin_init_heap_trampoline.
3117
3118 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3119
3120         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3121         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3122         * config/avr/avr.c: Ditto.
3123         (avr_regnames): Remove because unused.
3124         * config/avr/avr.md (*cpse.ne): New peephole.
3125         (*cpse.eq): New peephole from former cpse peepholes.
3126
3127 2012-01-27  Michael Eager  <eager@eagercon.com>
3128
3129         * config/microblaze.c (microblaze_emit_compare): Correct
3130         test after pcmp instruction.
3131
3132 2012-01-27  Richard Guenther  <rguenther@suse.de>
3133
3134         PR tree-optimization/52020
3135         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3136
3137 2012-01-27  Richard Guenther  <rguenther@suse.de>
3138
3139         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3140         function non-const/pure.
3141
3142 2012-01-27  Richard Guenther  <rguenther@suse.de>
3143
3144         PR tree-optimization/50444
3145         * tree-sra.c (build_ref_for_offset): Properly adjust the
3146         MEM_REF type for unaligned accesses.
3147
3148 2012-01-27  Richard Guenther  <rguenther@suse.de>
3149
3150         PR tree-optimization/50444
3151         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3152         (expand_assignment): Use it.  Properly handle misaligned
3153         bases when expanding stores to component references.
3154         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3155         refactor that case.
3156
3157 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3158
3159         PR middle-end/51389
3160         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3161         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3162         * tree-data-ref.c (find_data_references_in_loop): Make static.
3163         (compute_all_dependences): Change return type to bool.  Bail out
3164         for too many datarefs in a loop.  Move the hunk resetting the data
3165         dependences vector from ...
3166         (compute_data_dependences_for_loop): ... here.  Account for
3167         compute_all_dependences returning false.
3168         (compute_data_dependences_for_bb): Likewise.
3169         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3170         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3171
3172 2012-01-27  Richard Guenther  <rguenther@suse.de>
3173
3174         PR middle-end/51959
3175         * expr.c (store_field): Use the alias-set of the scratch memory
3176         for storing to it.
3177
3178 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3179
3180         PR tree-optimization/51990
3181         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3182         WITH_SIZE_EXPR.
3183         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3184
3185 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3186
3187         PR debug/52001
3188         * var-tracking.c (reverse_op): Don't add any reverse operation
3189         if V already has any constant locations.
3190
3191 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3192
3193         * doc/invoke.texi: Correct usage of "command line" (noun)
3194         vs "command-line" (adjective) throughout.
3195
3196 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3197
3198         * doc/invoke.texi (Language Independent Options): Move
3199         -Wcoverage-mismatch blurb from here....
3200         (Warning Options): ...to here.
3201
3202 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3203
3204         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3205         Set rs6000_always_hint to false for 476.
3206
3207 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3208
3209         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3210           system root.
3211         * incpath.c (add_standard_paths): Likewise.
3212
3213 2012-01-27  Richard Henderson  <rth@redhat.com>
3214
3215         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3216         * config/m68k/sync.md (atomic_test_and_set): Rename from
3217         sync_test_and_setqi and adjust the operands.
3218         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3219         and unconditionally enable.
3220
3221 2012-01-27  Richard Henderson  <rth@redhat.com>
3222
3223         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3224         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3225         (ldstub): Rename from ldstubqi.
3226         (ldstub<I24MODE>): Remove.
3227
3228 2012-01-27  Richard Henderson  <rth@redhat.com>
3229
3230         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3231         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3232         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3233         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3234         * doc/tm.texi: Rebuild.
3235
3236 2012-01-27  Richard Henderson  <rth@redhat.com>
3237
3238         * optabs.c (gen_atomic_test_and_set): Remove default.
3239         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3240
3241 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3242
3243         PR rtl-optimization/51978
3244         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3245         (combine_reaching_defs): Likewise.
3246         (struct re_info): Remove.
3247         (add_removable_extension): Remove x and data arguments,
3248         add insn, insn_list and def_map.  Use the arguments directly
3249         instead of using struct re_info.
3250         (find_removable_extensions): Don't call add_removable_extension
3251         through note_stores, instead just call it with single_set
3252         result if non-NULL.
3253         (find_and_remove_re): Pass curr_cand->expr instead of
3254         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3255
3256 2012-01-26  Michael Matz  <matz@suse.de>
3257
3258         PR tree-optimization/46590
3259         * cfgexpand.c: Revert last change (r183305).
3260         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3261         regs.
3262         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3263         checking for emptiness.
3264
3265 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3266
3267         PR middle-end/51895
3268         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3269         non-addressable non-BLKmode base correctly.
3270
3271 2012-01-26  Michael Matz  <matz@suse.de>
3272
3273         PR tree-optimization/48794
3274         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3275         regions referenced from RESX/EH_DISPATCH.
3276
3277 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3278
3279         * config/s390/s390.h: Make BRANCH_COST an option.
3280         * config/s390/s390.opt: New option -mbranch-cost.
3281
3282 2012-01-26  Richard Henderson  <rth@redhat.com>
3283
3284         Revert 2012-01-24 change:
3285         * trans-mem.c (requires_barrier): Do not instrument thread local
3286         variables and emit save/restore for them.
3287
3288 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3289
3290         PR middle-end/51986
3291         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3292         for pat == 0.
3293
3294 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3295
3296         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3297         ASM_OPERANDS.
3298
3299 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3300
3301         PR target/49868
3302         Rename __pgm to __flash.
3303         Rename __pgm1 to __flash1.
3304         Rename __pgm2 to __flash2.
3305         Rename __pgm3 to __flash3.
3306         Rename __pgm4 to __flash4.
3307         Rename __pgm5 to __flash5.
3308         Rename __pgmx to __memx.
3309         * doc/extend.texi (AVR Named Address Spaces)
3310         Rename address space names as indicated above.
3311         * config/avr/avr.c (avr_addrspace): Ditto.
3312
3313         * config/avr/avr-protos.h
3314         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3315         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3316         * config/avr/predicates.md: Ditto.
3317         * config/avr/avr.c Ditto, and
3318         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3319         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3320
3321         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3322         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3323         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3324         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3325         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3326         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3327         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3328         * config/avr/avr.c: Ditto.
3329         * config/avr/avr.md: Ditto.
3330
3331 2012-01-25  Jason Merrill  <jason@redhat.com>
3332
3333         PR c++/51992
3334         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3335
3336 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3337
3338         PR tree-optimization/51987
3339         * tree-data-ref.c (get_references_in_stmt): Handle references in
3340         non-volatile GIMPLE_ASM.
3341
3342 2012-01-25  Richard Guenther  <rguenther@suse.de>
3343
3344         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3345         bases are dereferenced.
3346
3347 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3348
3349         PR rtl-optimization/48374
3350         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3351
3352 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3353
3354         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3355         compute_data_dependences_for_loop returns false.
3356         * tree-parloops.c (loop_parallel_p): Likewise.
3357
3358 2012-01-25  Richard Guenther  <rguenther@suse.de>
3359
3360         * tree.h (get_pointer_alignment_1): Declare.
3361         * builtins.c (get_pointer_alignment_1): New function.
3362         (get_pointer_alignment): Use it.
3363
3364 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3365
3366         PR rtl-optimization/48308
3367         * combine.c (enum undo_kind): Add UNDO_LINKS.
3368         (struct undo): Add member l to other_contents and where.
3369         (do_SUBST_LINK): New.
3370         (SUBST_LINK): New.
3371         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3372         (undo_all): Handle UNDO_LINKS.
3373
3374 2012-01-25  Richard Henderson  <rth@redhat.com>
3375
3376         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3377         mem inputs.
3378
3379 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3380
3381         * optabs.c (gen_atomic_test_and_set): Use each argument.
3382
3383 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3384
3385         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3386         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3387         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3388         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3389         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3390         TARGET_PAIRED_SINGLE_FLOAT.
3391
3392 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3393
3394         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3395         (in_struct, return_val): Remove MEM documentation.
3396         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3397         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3398         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3399         and MEM_SCALAR.
3400         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3401         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3402         * expr.c (store_field): Likewise.
3403         * function.c (assign_stack_temp_for_type): Likewise.
3404         * ifcvt.c (noce_try_cmove_arith): Likewise.
3405         * reload1.c (reload): Likewise.
3406         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3407         (alpha_set_memflags): Likewise.
3408         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3409
3410 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3411
3412         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3413         parameter.
3414         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3415         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3416         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3417         varies parameter.
3418         * cselib.c (cselib_rtx_varies_p): Delete.
3419         (cselib_invalidate_mem): Update call to canon_true_dependence.
3420         * dse.c (record_store, check_mem_read_rtx): Likewise.
3421         (scan_reads_nospill): Likewise.
3422         * cse.c (check_dependence): Likewise.
3423         (cse_rtx_varies_p): Delete.
3424         * expr.c (safe_from_p): Update call to true_dependence.
3425         * ira.c (validate_equiv_mem_from_store): Likewise.
3426         (memref_referenced_p): Likewise.
3427         * postreload-gcse.c (find_mem_conflicts): Likewise.
3428         * sched-deps.c (sched_analyze_2): Likewise.
3429         * store-motion.c (load_kills_store): Likewise.
3430         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3431         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3432         (compute_transp): Update call to canon_true_dependence.
3433
3434 2012-01-25  Richard Henderson  <rth@redhat.com>
3435
3436         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3437         (maybe_emit_atomic_test_and_set): New.
3438         (expand_sync_lock_test_and_set): Use it.
3439         (expand_atomic_test_and_set): Likewise.
3440         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3441         the implementation; clarify implementation defined details.
3442         * doc/md.texi (atomic_test_and_set): Document.
3443
3444 2012-01-25  Richard Henderson  <rth@redhat.com>
3445
3446         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3447
3448 2012-01-25  Richard Henderson  <rth@redhat.com>
3449
3450         PR target/51968
3451         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3452         to effect no-op split.
3453
3454 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3455
3456         PR lto/51698
3457         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3458         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3459         (BT_FN_VOID_PTR_INT_SIZE): New.
3460         (BT_FN_UINT_UINT_VAR): Remove.
3461         (BT_FN_UINT32_UINT32_VAR): New.
3462         (BT_FN_DOUBLE_VPTR): Remove.
3463         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3464
3465         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3466         (_ITM_changeTransactionMode): Same.
3467         (_ITM_memmoveRtWt): Change return type to void.
3468         (_ITM_memcpyRtWt): Same.
3469         (_ITM_memsetW): Same.
3470         (_ITM_RaRD): Change types to double.
3471         (_ITM_RD): Same.
3472         (_ITM_RaWD): Same.
3473         (_ITM_RfWD): Same.
3474
3475         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3476
3477 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3478             Patrick Marlier  <patrick.marlier@gmail.com>
3479
3480         * trans-mem.c (requires_barrier): Do not instrument thread local
3481         variables and emit save/restore for them.
3482
3483 2012-01-24  Jason Merrill  <jason@redhat.com>
3484
3485         PR c++/51812
3486         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3487         output static aliases.
3488
3489 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3490
3491         PR driver/47249
3492         * common.opt (-pie, -shared, pie, shared): Change from Common to
3493         Driver.
3494         * gcc.c (display_help): Display help for -pie and -shared.
3495
3496 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3497
3498         PR target/49868
3499         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3500         Remove note on size/offset limitation.
3501         (AVR Variable Attributes): Add example how to read data located
3502         with progmem.  Refer to named address spaces.
3503         * doc/invoke.texi (AVR Options): Fix typo.
3504
3505 2012-01-24  Richard Guenther  <rguenther@suse.de>
3506
3507         Forward-port to trunk
3508         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3509
3510         PR middle-end/45678
3511         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3512         op0 isn't sufficiently aligned and there is movmisalignM
3513         insn for mode, use it to load op0 into a temporary register.
3514
3515 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3516
3517         PR target/51957
3518         * target.def (const_not_ok_for_debug_p): New hook.
3519         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3520         documentation.
3521         * doc/tm.texi: Regenerated.
3522         * dwarf2out.c (const_ok_for_output_1): If
3523         targetm.const_not_ok_for_debug_p returns true, fail.
3524         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3525         function.
3526         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3527
3528 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3529
3530         PR target/51900
3531         * config/i386/predicates.md (symbolic_operand): Allow
3532         UNSPEC_PCREL as PIC expression for lea.
3533         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3534         * config/i386/i386.c (ix86_delegitimize_address): Handle
3535         UNSPEC_PCREL for none-MEM, too.