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PR target/52999
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR target/52999
4         * config/pa/pa.c (TARGET_SECTION_TYPE_FLAGS): Define.
5         (pa_section_type_flags): New.
6         (pa_legitimate_constant_p): Revert previous change.
7
8 2012-05-30  Aldy Hernandez  <aldyh@redhat.com>
9
10         Backport from mainline
11         2012-05-25  Aldy Hernandez  <aldyh@redhat.com>
12
13         PR middle-end/53008
14         * trans-mem.c (ipa_tm_create_version_alias): Output new_node if
15         accessed indirectly.
16         (ipa_tm_create_version): Same.
17
18 2012-05-30  Jason Merrill  <jason@redhat.com>
19
20         PR c++/53220
21         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
22         about array compound literals.
23
24 2012-05-30  Richard Guenther  <rguenther@suse.de>
25
26         PR middle-end/53501
27         * fold-const.c (fold_binary_loc): Make sure to call
28         fold_plusminus_mult_expr with the original sign of operands.
29
30 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
31
32         * explow.c (probe_stack_range): Restore simple control flow and stop
33         again when the probe cannot be generated if HAVE_check_stack.
34
35 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
36
37         PR rtl-optimization/53519
38         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
39         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
40
41 2012-05-29  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/53516
44         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
45         bitfield accesses.
46         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
47
48 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
49
50         Backport from mainline
51         2012-05-28  Richard Guenther  <rguenther@suse.de>
52
53         PR tree-optimization/53438
54         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
55
56 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
57
58         Backport from mainline
59         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
60
61         PR rtl-optimization/52528
62         * combine.c (can_combine_p): Add setting of subst_low_luid
63         before call to expand_field_assignment().
64
65 2012-05-26  Martin Jambor  <mjambor@suse.cz>
66
67         Backport from mainline
68         2012-05-23  Martin Jambor  <mjambor@suse.cz>
69
70         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
71
72 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
73
74         PR lto/52178
75         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
76         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
77
78 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
79
80         PR target/53435
81         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
82         (ix86_expand_vec_perm): Use int mode instead of float.
83
84 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
85
86         PR ada/52362
87         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
88         gnu_ld variables to yes.
89         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
90         (HAVE_GNU_AS): Likewise.
91         * config.in: Regenerate.
92         * configure: Likewise.
93
94 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
95
96         Backport from mainline
97         2012-03-12  Richard Guenther  <rguenther@suse.de>
98         * config/arm/arm.c (neon_dereference_pointer): Do not call
99         covert during RTL expansion.
100
101 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
102
103         Backport from mainline
104         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
105
106         PR target/53385
107         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
108         relied on signed overflow behavior.
109
110 2012-05-24  Richard Guenther  <rguenther@suse.de>
111
112         PR middle-end/53460
113         * tree-profile.c (tree_profiling): Cleanup the CFG if
114         execute_fixup_cfg requests it.
115
116 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
117
118         PR tree-optimization/53465
119         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
120         vr0 into *vr, then vrp_meet that.
121         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
122         have any equivalences.
123         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
124         first time.
125
126 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
127
128         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
129         size handling.
130         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
131         (iterative_hash_gimple_type): Adjust comment.
132         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
133         domain for an array type instead of the domain type itself.
134
135 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
136
137         Backport from 2012-05-23 mainline r187803
138
139         PR target/53448
140         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
141         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
142         ASM_OUTPUT_ALIGN.
143
144 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
145
146         Backport from 2012-05-03 mainline r187075
147
148         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
149         has_fma4 for AMD processors with both fma3 and fma4 support.
150
151 2012-05-22  Richard Guenther  <rguenther@suse.de>
152
153         PR tree-optimization/53408
154         * tree-vect-loop.c (vectorizable_induction): Properly check
155         the restriction that we cannot handle induction results from
156         the inner loop outside of the outer loop.
157
158 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
159
160         PR tree-optimization/53436
161         * omp-low.c (omp_build_component_ref): New function.
162         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
163
164         PR tree-optimization/53366
165         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
166         tests if complex_numbers == 2, but there are non-complex number loads
167         too.
168
169         PR tree-optimization/53409
170         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
171         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
172
173         PR tree-optimization/53410
174         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
175         instead of build_int_cst (type, 0) where vector types might be
176         involved.
177
178 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
179
180         PR c/53418
181         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
182         from folded operands before wrapping another around the
183         conditional expression.
184
185 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
186             Patrick Marlier  <patrick.marlier@gmail.com>
187
188         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
189         indirect calls.
190
191 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
192
193         Backport from mainline
194         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
195
196         PR target/53416
197         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
198         (UNSPECV_RDRAND): This.
199         (rdrand<mode>_1): Updated.
200
201 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
202
203         Backport from mainline
204         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
205
206         * config/i386/driver-i386.c (host_detect_local_cpu): Support
207         RDRND, F16C and FSGSBASE.
208
209 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
210
211         Backport from mainline
212         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
213
214         * tree-ssa-pre.c (can_value_number_call): Delete.
215         (compute_avail): Skip all statements with side effects.
216         <GIMPLE_CALL>: Skip calls to internal functions.
217
218 2012-05-18  David S. Miller  <davem@davemloft.net>
219
220         Backport r185385 from mainline
221         2012-03-14  Richard Guenther  <rguenther@suse.de>
222
223         PR middle-end/52584
224         * tree-vect-generic.c (type_for_widest_vector_mode): Take
225         element type instead of mode, use build_vector_type_for_mode
226         instead of the langhook, build a vector of proper signedness.
227         (expand_vector_operations_1): Adjust.
228
229 2012-05-18  Olivier Hainque  <hainque@adacore.com>
230
231         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
232         $(libsubdir) as libexecsubdir.
233
234 2012-05-16  Andrew Pinski  <apinski@cavium.com>
235
236         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
237         GIMPLE_ASSIGN.
238
239 2012-05-16  David S. Miller  <davem@davemloft.net>
240
241         * jump.c (delete_related_insns): If we remove a CALL, make sure
242         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
243
244 2012-05-16  Richard Henderson  <rth@redhat.com>
245
246         PR debug/52727
247         * combine-stack-adj.c (prev_active_insn_bb): New.
248         (next_active_insn_bb): New.
249         (force_move_args_size_note): New.
250         (combine_stack_adjustments_for_block): Use it.
251
252 2012-05-16  Olivier Hainque  <hainque@adacore.com>
253
254         * Makefile.in (install-no-fixedincludes): New target, former toplevel
255         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
256         Add comments and improve stamp preservation across the whole sequence.
257         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
258
259 2012-05-16  Richard Guenther  <rguenther@suse.de>
260
261         PR tree-optimization/53364
262         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
263         detect a view-conversion of the decl.
264
265 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
266
267         PR target/53358
268         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
269         that operands[2] is either immediate, or q_regs_operand.
270
271 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
272
273         Backport r187139 from mainline.
274         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
275
276         PR rtl-optimization/52804
277         * reload1.c (reload_reg_reaches_end_p): Check whether successor
278         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
279         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
280         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
281         RELOAD_FOR_OUTADDR_ADDRESS.
282
283 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
284
285         PR target/46098
286         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
287         generate target register for "load" class builtins.
288
289         Revert:
290         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
291
292         PR target/46098
293         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
294         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
295         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
296         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
297         (<sse>_movu<ssemodesuffix>): New expander.
298         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
299         (avx_movdqu<avxmodesuffix>): New expander.
300         (*sse2_movdqu): Rename from sse2_movdqu.
301         (sse2_movdqu): New expander.
302
303 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
304
305         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
306         lineno 1 the same as lineno 0 before first start file directive.
307         (optimize_macinfo_range): Likewise.
308
309         * dwarf2out.c (have_macinfo): Define.
310         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
311         attribute, don't force empty compilation unit and don't emit any
312         .debug_macinfo/.debug_macro section if macinfo_table is empty.
313
314 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
315
316         Backport from mainline
317         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
318
319         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
320         ORDERED and UNORDERED conditions.
321
322 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
323
324         * function.c (requires_stack_frame_p): If the function can throw
325         non-call exceptions, return true if the insn can throw internally.
326
327 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
328
329         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
330         DECL_ORIGINAL_TYPE if it is present.
331
332 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
333
334         Backport from 2012-05-12 mainline r187342.
335
336         PR target/53256
337         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
338         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
339         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
340         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
341         (expand_prologue): Move initialization of cfun->machine->is_naked,
342         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
343         (avr_set_current_function): ...this new static function.
344         (TARGET_SET_CURRENT_FUNCTION): New define.
345         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
346         checking attributes of current_function_decl.
347         (avr_regs_to_save): Ditto.
348         (signal_function_p): Rename to avr_signal_function_p.
349         (interrupt_function_p): Rename to avr_interrupt_function_p.
350
351         * doc/extend.texi (Function Attributes): Better explanation of
352         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
353         alphabetical order.
354
355 2012-05-09  Matthias Klose  <doko@ubuntu.com>
356
357         * gcc-ar.c (main): Don't check for execute bits for the plugin.
358
359 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
360
361         PR target/53272
362         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
363         when a constant source operand matches an "I" constraint, the "no
364         CC0 change" applies to a register-destination only, not a
365         strict_low_part-destination.
366
367 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
368
369         Backport from mainline:
370         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
371
372         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
373
374 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
375
376         PR tree-optimization/53239
377         * tree-vrp.c (get_value_range): Set VR of
378         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
379         to nonnull.
380
381 2012-05-07  Richard Guenther  <rguenther@suse.de>
382
383         PR tree-optimization/53195
384         * tree-inline.c (setup_one_parameter): Properly add referenced
385         vars from the parameters new known value.
386
387 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
388
389         Backport from mainline:
390         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
391
392         PR target/52999
393         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
394         in constant pool.
395
396 2012-05-04  Ian Lance Taylor  <iant@google.com>
397
398         * tree-vect-patterns.c (vect_single_imm_use): Correct return
399         values from false to NULL.
400
401 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
402
403         Backport from mainline
404         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
405
406         PR target/53228
407         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
408         (TARGET_CMOV): Rename from TARGET_CMOVE.
409         (TARGET_CMOVE): New define.
410         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
411         Do not set TARGET_CMOVE here.
412
413 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
414
415         Backport from mainline:
416
417         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
418
419         PR tree-optimization/52633
420         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
421         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
422         (vect_recog_over_widening_pattern): Remove handling of code that was
423         already detected as over-widening pattern.  Remove special handling
424         of "unsigned" cases.  Instead, support general case of conversion
425         of the shift result to another type.
426
427         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
428
429         * tree-vect-patterns.c (vect_single_imm_use): New function.
430         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
431         (vect_recog_over_widening_pattern): Likewise.
432         (vect_recog_widen_shift_pattern): Likewise.
433
434         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
435
436         PR tree-optimization/52870
437         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
438         presumed pattern statement is within the same loop or basic block.
439
440 2012-05-04  Richard Guenther  <rguenther@suse.de>
441
442         * common.opt (flto-report): Do not mark as Optimization.
443
444 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
445
446         PR target/48496
447         * recog.c (constrain_operands): If extra constraints are present, also
448         accept pseudo-registers with equivalent memory locations during reload.
449
450 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
451
452         Backport from the mainline
453         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
454
455         PR target/53199
456         * config/rs6000/rs6000.md (bswapdi splitters): If
457         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
458         default) is used, generate an alternate sequence that does not
459         depend on using indexed addressing.
460
461 2012-05-03  David S. Miller  <davem@davemloft.net>
462
463         PR target/52684
464         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
465         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
466         (sparc_emit_float_lib_cmp): Likewise.
467
468 2012-05-04  Martin Jambor  <mjambor@suse.cz>
469
470         Backport from mainline
471         2012-05-02  Martin Jambor  <mjambor@suse.cz>
472
473         PR lto/52605
474         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
475         of a variable when the contect is a function.
476
477 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
478
479         PR plugins/53126
480         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
481         append program name to it and pass that as first argument
482         to make_relative_prefix.  Always pass standard_libexec_prefix
483         as last argument to make_relative_prefix.  If
484         make_relative_prefix returns NULL, fall back to
485         standard_libexec_prefix.
486
487         PR debug/53174
488         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
489         removed.
490
491         PR target/53187
492         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
493         mode, return that mode.
494
495 2012-05-03  Richard Guenther  <rguenther@suse.de>
496
497         PR tree-optimization/53144
498         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
499         Rename to ...
500         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
501         with SSA name values.
502         (vn_reference_lookup_3): Adjust callers.
503
504 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
505
506         PR tree-optimization/53163
507         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
508         return value from compute_all_dependences.
509
510         PR rtl-optimization/53160
511         * ree.c (combine_reaching_defs): Handle the case where cand->insn
512         has been modified by ree pass already.
513
514 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
515
516         Backport from mainline
517         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
518
519         PR middle-end/53136
520         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
521         calls to cgraph_node_name in xstrdup.
522         (ipa_make_edge_direct_to_target): Ditto.
523         * tree-sra.c (convert_callers_for_node): Ditto.
524         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
525         * ipa-cp.c (perhaps_add_new_callers): Ditto.
526         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
527         (cgraph_materialize_all_clones): Ditto.
528         * ipa-inline.c (report_inline_failed_reason): Ditto.
529         (want_early_inline_function_p): Ditto.
530         (edge_badness): Ditto.
531         (update_edge_key): Ditto.
532         (flatten_function): Ditto.
533         (ipa_inline): Ditto.
534         (inline_always_inline_functions): Ditto.
535         (early_inline_small_functions): Ditto.
536
537 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
538
539         Backport from mainline
540         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
541
542         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
543         Introduce emul_name to select the right linker emulation for
544         powerpc64-*-freebsd*.
545         * configure: Regenerate.
546         * config.gcc: Add bits to support powerpc64-*-freebsd*.
547         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
548         * config/rs6000/freebsd64.h: New file.
549         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
550         POWERPC_FREEBSD.
551         (rs6000_savres_strategy): Likewise.
552         (rs6000_savres_routine_name): Likewise.
553         (rs6000_elf_file_end): Likewise.
554         * config/rs6000/t-freebsd64: New file.
555         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
556         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
557
558 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
559
560         Backport from mainline
561         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
562
563         PR target/53138
564         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
565
566 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
567
568         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
569         predicate to discriminate types.
570
571 2012-04-27  Richard Guenther  <rguenther@suse.de>
572
573         PR c/51527
574         * convert.c (convert_to_integer): Avoid infinite recursion for
575         target-defined built-in types.
576
577 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
578
579         PR target/53120
580         * config/cris/cris.md ("*andhi_lowpart_v32")
581         ("*andqi_lowpart_v32"): Change first input-only operand from
582         a (match_operand ...) to (match_dup 0).  Drop alternatives with
583         const_int-matching constraints for redundancy.
584         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
585         three-operand alternative.
586
587 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
588
589         Backport from mainline
590         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
591
592         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
593         (*addsi_2_zext): Ditto.
594         (*add<mode>_3): Ditto.
595         (*addsi_3_zext): Ditto.
596         (*add<mode>_5): Ditto.
597
598 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
599
600         PR c/52880
601         * c-typeck.c (set_nonincremental_init,
602         set_nonincremental_init_from_string): Pass true instead of false
603         as IMPLICIT to add_pending_init.
604
605 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
606
607         Backport from 2012-04-24 mainline r186768.
608
609         PR target/53065
610         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
611
612 2012-04-24  Richard Guenther  <rguenther@suse.de>
613
614         PR tree-optimization/53085
615         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
616         stores.
617
618 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
619
620         PR middle-end/53084
621         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
622         of MEM_REF.
623         (output_addressed_constants): Likewise.
624
625         PR middle-end/52999
626         * varasm.c (get_section): Don't ICE for section conflicts with
627         built-in section kinds.
628
629 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
630
631         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
632
633 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
634
635         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
636
637 2012-04-23  Richard Guenther  <rguenther@suse.de>
638
639         PR c/53060
640         * c-typeck.c (build_binary_op): Fix typo.
641
642 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
643
644         PR tree-optimizations/52891
645         * tree-vect-patterns.c (adjust_bool_pattern): Use
646         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
647         but with non-standard precision.
648
649 2012-04-22  Ian Lance Taylor  <iant@google.com>
650
651         * godump.c (go_output_typedef): Dump size of structs.
652
653 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
654
655         Backport from mainline:
656
657         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
658         hints for 'A' operand types.
659
660 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
661
662         Backport from 2012-04-19 mainline r186588.
663
664         PR target/53033
665         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
666         the case *(X+const).
667
668 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
669
670         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
671
672 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
673
674         PR target/53020
675         * config/i386/sync.md (atomic_<code><mode>): Rename to
676         atomic_<logic><mode>.
677
678 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
679
680         Backport from mainline
681         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
682
683         PR target/52932
684         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
685         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
686         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
687         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
688         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
689         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
690         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
691         gen_avx2_permvarv8sf.
692
693 2012-04-16  Martin Jambor  <mjambor@suse.cz>
694
695         Backported from mainline
696
697         2012-04-13  Martin Jambor  <mjambor@suse.cz>
698         PR middle-end/52939
699
700         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
701         fold_ctor_reference returns a zero constant.
702
703 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
704
705         Backported from mainline
706         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
707
708         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
709         and __ILP32__ for x32.
710
711 2012-04-13  Tom de Vries  <tom@codesourcery.com>
712
713         Backport from mainline r186418.
714
715         2012-04-13  Tom de Vries  <tom@codesourcery.com>
716
717         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
718         parameters vuse and vuse_escaped.
719         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
720         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
721         vuse1 != vuse2.
722
723 2012-04-13  Richard Guenther  <rguenther@suse.de>
724
725         PR tree-optimization/52969
726         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
727         the condition for the COND_EXPR and handle predicate negation
728         by swapping the COND_EXPR arms.
729
730 2012-04-13  Richard Guenther  <rguenther@suse.de>
731
732         PR c/52862
733         * convert.c (convert_to_pointer): Remove special-casing of
734         zero.
735
736 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
737
738         Backport from mainline
739         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
740
741         PR target/52775
742         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
743         the list of options to enable the FCFID instruction.
744         (TARGET_EXTRA_BUILTINS): Adjust comment.
745
746 2012-04-12  Richard Guenther  <rguenther@suse.de>
747
748         PR tree-optimization/52943
749         * tree-chrec.h (chrec_is_positive): Remove.
750         * tree-scalar-evolution.c (chrec_is_positive): Move ...
751         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
752         Return false for a constant zero instead of negative.
753         (analyze_siv_subscript_cst_affine): Handle zero difference
754         in the initial condition explicitely.
755
756 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
757
758         PR middle-end/52894
759         * varasm.c (process_pending_assemble_externals): Set
760         pending_assemble_externals_processed true.
761         (assemble_external): Call assemble_external_real if the pending
762         assemble externals have been processed.
763
764 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
765
766         PR target/52717
767         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
768         the DECL generated for the special GOT helper.
769
770 2012-04-06  Walter Lee  <walt@tilera.com>
771
772         Backport from mainline
773         2012-03-07  Walter Lee  <walt@tilera.com>
774
775         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
776         REG_CFA_* notes for the stack pointer.
777         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
778         EH_RETURN_STACKADJ_RTX.
779         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
780         generate REG_CFA_* notes for the stack pointer.
781         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
782         by EH_RETURN_STACKADJ_RTX.
783
784 2012-04-06  Matt Turner  <mattst88@gmail.com>
785
786         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
787
788 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
789
790         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
791         of the destination isn't also a FP_REGS register.
792
793 2012-04-03  Richard Guenther  <rguenther@suse.de>
794
795         Backport from mainline
796         2012-03-02  Richard Guenther  <rguenther@suse.de>
797
798         PR tree-optimization/52406
799         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
800         (struct indices): Add unconstrained_base member.
801         (struct dr_alias): Remove unused vops member.
802         (DR_UNCONSTRAINED_BASE): New define.
803         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
804         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
805         be an artificial access that covers the whole indexed object,
806         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
807         plain decl base-objects to their MEM_REF variant.
808         (dr_may_alias_p): When the base-object of either data reference
809         has unknown size use only points-to information.
810         (compute_affine_dependence): Make dumps easier to read and
811         more verbose.
812         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
813         DR_REF when looking for packed references.
814         (vect_supportable_dr_alignment): Likewise.
815
816 2012-04-03  Richard Guenther  <rguenther@suse.de>
817
818         Backport from mainline
819         2012-03-15  Richard Guenther  <rguenther@suse.de>
820
821         PR middle-end/52580
822         * tree-data-ref.c (subscript_dependence_tester_1): Check
823         all dimensions for non-conflicting access functions.
824
825 2012-04-03  Richard Guenther  <rguenther@suse.de>
826
827         Backport from mainline
828         2012-03-06  Richard Guenther  <rguenther@suse.de>
829
830         PR middle-end/52493
831         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
832
833         2012-03-23  Richard Guenther  <rguenther@suse.de>
834
835         PR tree-optimization/52678
836         * tree-vectorizer.h (struct _stmt_vec_info): Add
837         loop_phi_evolution_part member.
838         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
839         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
840         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
841         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
842         Use the cached evolution part and the PHI nodes value from
843         the loop preheader edge instead of re-analyzing the evolution.
844
845         2012-03-26  Richard Guenther  <rguenther@suse.de>
846
847         PR tree-optimization/52701
848         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
849         compute and set the evolution part of PHI nodes.
850
851         2012-03-30  Richard Guenther  <rguenther@suse.de>
852
853         PR tree-optimization/52754
854         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
855         propagate arbitrary addresses into really plain dereferences.
856
857 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
858
859         PR tree-optimization/52835
860         * tree-data-ref.c (build_rdg): Return NULL if
861         compute_data_dependences_for_loop failed.
862
863 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
864
865         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
866         (stmt_can_make_abnormal_goto): Use it.
867         (is_ctrl_altering_stmt): Likewise.
868
869 2012-03-31  Martin Jambor  <mjambor@suse.cz>
870
871         Backported from mainline
872         2012-03-30  Martin Jambor  <mjambor@suse.cz>
873
874         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
875         is a builtin_stack_save in a dominating BB.
876
877 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
878
879         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
880         crossing 128bit lane boundary.
881
882 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
883
884         Backported from mainline
885         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
886
887         PR target/52698
888         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
889         New prototype.
890         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
891         * config/i386/i386.c: Include reload.h.
892         (ix86_legitimize_reload_address): New function.
893
894 2012-03-28  Martin Jambor  <mjambor@suse.cz>
895
896         Backported from mainline
897         2012-03-27  Martin Jambor  <mjambor@suse.cz>
898
899         PR middle-end/52693
900         * tree-sra.c (sra_modify_assign): Do not call
901         load_assign_lhs_subreplacements when working with an unscalarizable
902         region.
903
904 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
905
906         PR middle-end/52691
907         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
908         __builtin_va_start to __builtin_next_arg if the latter is
909         builtin_decl_explicit_p rather than when it is not.
910
911         PR middle-end/52750
912         * tree-vect-generic.c (vector_element): Perform multiplication
913         for pos in bitsizetype type instead of idx type.
914
915 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
916
917         Backport from 2012-03-28 mainline r185910.
918
919         PR target/52692
920         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
921         (avr_builtin_decl): New static function.
922         (struct avr_builtin_description, avr_bdesc): Move up.
923         Add GTY marker. Add field fndecl. Remove redundant field id.
924         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
925         (avr_expand_builtin): Code cleanup because .id is removed.
926
927 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
928
929         PR middle-end/51893
930         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
931         targets.
932
933 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
934
935         Backport from 2012-03-28 mainline r185907.
936
937         PR target/52737
938         * config.gcc (tm_file): Remove avr/multilib.h.
939
940         * doc/invoke.texi (AVR Options): Adjust
941         documentation of -mtiny-stack.
942
943         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
944         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
945         * config/avr/t-avr: Remove generation of multilib.h.
946         * config/avr/t-multilib: Regenerate.
947         * config/avr/multilib.h: Remove.
948         * config/avr/avr.opt (-msp8): New option.
949         (avr_sp8): New variable.
950         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
951         * config/avr/avr.h (AVR_HAVE_SPH): New define.
952         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
953         (avr_device_to_sp8): New prototype.
954         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
955         (DRIVER_SELF_SPECS): New define.
956         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
957         __AVR_SP8__, __AVR_HAVE_SPH__.
958         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
959         AVR_HAVE_8BIT_SP to decide if SP_H is present.
960         (avr_file_start): Ditto.
961
962 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
963
964         PR target/52736
965         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
966         instead of 8 in adjust_address.
967
968 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
969
970         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
971         of a unit before computing the offset in units.
972
973 2012-03-27  Richard Guenther  <rguenther@suse.de>
974
975         PR middle-end/52720
976         * fold-const.c (try_move_mult_to_index): Handle &x.array more
977         explicitely.
978
979 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
980
981         PR target/52610
982         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
983
984 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
985
986         PR middle-end/52640
987         * varasm.c: Include pointer-set.h.
988         (pending_assemble_externals_set): New pointer set.
989         (process_pending_assemble_externals): Destroy the pointer set.
990         (assemble_external): See if decl is in pending_assemble_externals_set,
991         and add it to pending_assemble_externals if necessary.
992         (init_varasm_once): Allocate pending_assemble_externals_set.
993
994 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
995
996         Backported from mainline
997         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
998
999         PR target/50310
1000         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1001         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1002         (vector_ltgt<mode>): Likewise.
1003         (vector_ordered<mode>): Likewise.
1004         (vector_unordered<mode>): Likewise.
1005         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1006
1007 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
1008
1009         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1010         Make static.
1011
1012 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1013
1014         Backported from mainline
1015         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1016
1017         PR target/48596
1018         PR target/48806
1019         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1020         GENERAL_REGS and FP_REGS for SImode.
1021
1022 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1023
1024         PR middle-end/52547
1025         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1026         on any new_local_var_chain vars declared during recursing on
1027         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1028
1029 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1030
1031         Backport from 2012-03-22 mainline r185692.
1032
1033         PR target/52496
1034         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1035         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1036         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1037         (delay_cycles_1, delay_cycles_2): Ditto.
1038         (delay_cycles_3, delay_cycles_4): Ditto.
1039         (nopv, *nopv): Ditto.
1040         (sleep, *sleep): Ditto.
1041         (wdr, *wdr): Ditto.
1042
1043         Backport from 2012-03-21 mainline r185605.
1044
1045         PR rtl-optimization/52543
1046         PR target/52461
1047         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1048         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1049         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1050         (avr_load_libgcc_p): Restrict to __flash loads.
1051         (avr_out_lpm): Only handle 1-byte loads from __flash.
1052         (avr_load_lpm): New function.
1053         (avr_find_unused_d_reg): Remove.
1054         (avr_out_lpm_no_lpmx): Remove.
1055         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1056         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1057         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1058         (load_<mode>, load_<mode>_clobber): New insns.
1059         (mov<mode>): For multi-byte move from non-generic
1060         16-bit address spaces: Expand to load_<mode> resp.
1061         load_<mode>_clobber.
1062         (load<mode>_libgcc): Remove expander.
1063         (split-lpmx): Remove split.
1064
1065         Backport from 2012-03-13 mainline r185329.
1066
1067         PR target/52488
1068         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1069         offset (size) to a value the insns can deal with.
1070         (expand_epilogue): Ditto.
1071
1072         Backport from 2012-03-12 mainline r185256.
1073
1074         PR target/52499
1075         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1076         type from reg_class_t to enum reg_class.
1077         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1078
1079         Backport from 2012-03-12 mainline r185253.
1080
1081         PR target/52148
1082         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1083         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1084         r184615 from 2012-02-28.
1085
1086         Backport from 2012-03-08 mainline r185105.
1087
1088         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1089         for constants in [-63,63].
1090
1091         Backport from 2012-03-08 mainline r185100.
1092
1093         PR target/52496
1094         * config/avr/avr.c (avr_mem_clobber): New static function.
1095         (avr_expand_delay_cycles): Add memory clobber operand to
1096         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1097         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1098         (enable_interrupt, disable_interrupt): New expander.
1099         (nopv, sleep, wdr): New expanders.
1100         (delay_cycles_1): Add memory clobber.
1101         (delay_cycles_2): Add memory clobber.
1102         (delay_cycles_3): Add memory clobber.
1103         (delay_cycles_4): Add memory clobber.
1104         (cli_sei): New insn from former "enable_interrupt",
1105         "disable_interrupt" with memory clobber.
1106         (*wdt): New insn from former "wdt" with memory clobber.
1107         (*nopv): Similar, but for "nopv".
1108         (*sleep): Similar, but for "sleep".
1109
1110         Backport from 2012-03-07 mainline r185043.
1111
1112         PR target/52484
1113         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1114
1115         Backport from 2012-03-07 mainline r185032.
1116
1117         PR target/52506
1118         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1119         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1120         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1121
1122         Backport from 2012-03-07 mainline r185031.
1123
1124         PR target/52505
1125         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1126         from RAM.
1127         * config/avr/avr.md (xload_8): Adjust insn length.
1128
1129         Backport from 2012-03-07 mainline r185030.
1130
1131         PR target/52461
1132         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1133         if RAMPZ affects reading from RAM.
1134
1135         Backport from 2012-03-05 mainline r184919.
1136
1137         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1138
1139 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1140
1141         Backport from mainline r185259.
1142
1143         PR other/52545
1144         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1145         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1146
1147 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1148
1149         Backported from mainline
1150         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1151
1152         PR c/52577
1153         * c-parser.c (c_parser_postfix_expression)
1154         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1155
1156         * config/i386/smmintrin.h: Avoid /* within a comment.
1157         * config/i386/nmmintrin.h: Likewise.
1158
1159 2012-03-22  Richard Guenther  <rguenther@suse.de>
1160
1161         * BASE-VER: Set to 4.7.1.
1162         * DEV-PHASE: Set to prerelease.
1163
1164 2012-03-22  Release Manager
1165
1166         * GCC 4.7.0 released.
1167
1168 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1169
1170         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1171
1172 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1173             Andrew Pinski  <apinski@cavium.com>
1174
1175         PR middle-end/52592
1176         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1177         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1178         calls instead of __builtin_ir{int,ound}*.
1179
1180 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1181
1182         PR c++/52582
1183         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1184         if c_node is NULL.
1185
1186 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1187
1188         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1189         Refer to GCC 4.7 version of c99status.html.
1190
1191 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1192
1193         Backport from mainline
1194         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1195
1196         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1197         redefine to be NULL if the current bit-size is different from the
1198         configured bit-size.
1199
1200         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1201         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1202         set the default tuning.  Add asserts to make sure the cpu and tune
1203         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1204         test whether the index is set, instead of > 0.
1205         (rs6000_file_start): Do not reset the default cpu if the current
1206         bit-size is different from the configured bit-size.
1207
1208 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1209
1210         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1211         binutils reference.
1212         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1213         Update binutils references.
1214         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1215         Update binutils reference.
1216         Update Sun as/GNU ld caveat.
1217         Document binutils largefile requirement for LTO plugin.
1218         Remove reference to alternate libpthread.
1219
1220 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1221
1222         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1223         reference.
1224         (Specific, mips-sgi-irix6): Likewise.
1225
1226 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1227
1228         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1229         * configure: Regenerate.
1230
1231 2012-03-07  Richard Henderson  <rth@redhat.com>
1232
1233         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1234         * config/m68k/sync.md (atomic_test_and_set): Use it.
1235         (atomic_test_and_set_1): Likewise.
1236
1237 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1238
1239         PR target/51417
1240         * Makefile.in: Let install-gcc-ar depend on installdirs,
1241         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1242         Don't double canonicalize if cross-compiling.
1243
1244 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1245
1246         * trans-mem.c: New typedef for tm_region_p.
1247         Define vector types for tm_region_p.
1248         (tm_region_init): Replace region_worklist to a vector called
1249         bb_regions.
1250
1251 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1252
1253         PR middle-end/52463
1254         * trans-mem.c (tm_region_init): Use last_basic_block.
1255
1256 2012-03-05  Richard Henderson  <rth@redhat.com>
1257
1258         PR tree-opt/52242
1259         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1260         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1261         BIGGEST_ALIGNMENT is aligned.
1262
1263 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1264
1265         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1266
1267 2012-03-05  Richard Henderson  <rth@redhat.com>
1268
1269         PR target/52481
1270         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1271         instead of calling negqi2 directly.
1272
1273 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1274
1275         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1276         (INTMAX_TYPE): Use it.
1277         (UINTMAX_TYPE): Likewise.
1278         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1279         (irix6_c_common_override_options): Declare.
1280         (C_COMMON_OVERRIDE_OPTIONS): Define.
1281         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1282         * config/mips/irix6-c.c: New file.
1283         * config/mips/t-irix6 (irix6-c.o): New target.
1284         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1285         cxx_target_objs.
1286
1287 2012-03-02  Richard Henderson  <rth@redhat.com>
1288
1289         * optabs.c (expand_atomic_test_and_set): Honor
1290         atomic_test_and_set_trueval even when atomic_test_and_set
1291         optab is not in use.
1292
1293 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1294
1295         Backport from mainline
1296         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1297
1298         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1299
1300 2012-03-02  Richard Guenther  <rguenther@suse.de>
1301
1302         * DEV-PHASE: Set to prerelease.
1303
1304 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1305
1306         * config.gcc (obsolete): Add all ARM targets using the FPA.
1307         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1308         * doc/install.texi: Avoid references to obsolete ARM ports.
1309
1310 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1311
1312         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1313
1314 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1315             Joern Rennecke  <joern.rennecke@embecosm.com>
1316
1317         * doc/extend.texi: Expand and update information on interrupt
1318         attribute for Epiphany.
1319
1320 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1321
1322         * config/sh/sh-protos.h: Update copyright notice dates.
1323         * config/sh/sh.h: Likewise.
1324         * config/sh/sh.md: Likewise.
1325         * config/sh/constraints.md: Likewise.
1326         * config/sh/predicates.md: Likewise.
1327
1328 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1329
1330         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1331         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1332
1333 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1334
1335         * config/sh/constraints.md: Fix comment typo.
1336
1337 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1338
1339         PR target/52408
1340         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1341         unsigned HOST_WIDE_INT.
1342         (zvdep_imm64): Likewise.
1343         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1344         (vdepi_and): Likewise.
1345         Likewise for unamed 64-bit patterns.
1346         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1347
1348 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1349
1350         PR debug/52001
1351         PR rtl-optimization/52417
1352         * cselib.c (cselib_any_perm_equivs): New variable.
1353         (cselib_reset_table): Check that it's not set when not
1354         preserving constants.
1355         (cselib_add_permanent_equiv): Set it.
1356         (cselib_have_permanent_equivalences): New.
1357         (cselib_init, cselib_finish): Reset it.
1358         * cselib.h (cselib_have_permanent_equivalences): Declare.
1359         * alias.c (get_addr): Restore earlier behavior when there
1360         aren't permanent equivalences.
1361
1362 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1363
1364         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1365         * config/v850/v850-modes.def: Fix copyright notice.
1366
1367 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1368
1369         * doc/extend.texi (AVR Built-in Functions): Document
1370         __builtin_avr_flash_segment.
1371
1372         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1373         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1374         (*split.flash_segment): New insn-and-split.
1375         * config/avr/avr.c (avr_init_builtins): Add local variables:
1376         const_memx_void_node, const_memx_ptr_type_node,
1377         char_ftype_const_memx_ptr.
1378
1379 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1380
1381         PR tree-optimization/52445
1382         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1383         add ssa_name_ver, offset and size fields and change store field
1384         to bool.
1385         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1386         (add_or_mark_expr): Likewise.  Only consider previous stores
1387         with the same size and offset.
1388         (nt_init_block): Only look at gimple_assign_single_p stmts,
1389         doesn't look at rhs2.
1390
1391 2012-03-01  Richard Guenther  <rguenther@suse.de>
1392
1393         PR middle-end/52443
1394         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1395         conversions from integral types to pointer types.
1396
1397 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1398
1399         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1400         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1401         unintentionally removed in r184616.
1402
1403 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1404
1405         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1406         3DNow from bdver1.
1407
1408 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1409             Uros Bizjak  <ubizjak@gmail.com>
1410
1411         PR target/52437
1412         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1413         alternatives, add "e" constraint to the new last alternative
1414         and ! to last 3 alternatives.
1415
1416 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1417
1418         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1419         DW_AT_artificial attributes at the end of the processing.
1420         (gen_array_type_die): Likewise.
1421         (gen_enumeration_type_die): Likewise.
1422         (gen_struct_or_union_type_die): Likewise.
1423         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1424         the parent type.
1425
1426 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1427
1428         PR middle-end/52419
1429         * expr.c (expand_assignment): If doing misaligned store that doesn't
1430         cover all mode bits, perform a RMW cycle.
1431
1432         PR tree-optimization/52429
1433         * tree-parloops.c (separate_decls_in_region_debug): Return early
1434         if var is LABEL_DECL.
1435
1436 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1437
1438         PR tree-optimization/52424
1439         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1440         calling dom_thread_across_edge.
1441
1442 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1443
1444         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1445
1446 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1447
1448         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1449         * config/avr/avr.c (avr_output_bld): Remove unused function.
1450         (avr_out_sbxx_branch): Use "%T" to print bit position.
1451
1452 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1453
1454         * config/avr/avr.md: Untabify.
1455
1456 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1457
1458         * config/avr/avr.md (eqne): New code iterator.
1459         (*dec-and-branchsi): Use it in text peephole's condition.
1460         (*dec-and-branchhi): Ditto.
1461         (*dec-and-branchqi): Ditto.
1462
1463 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1464
1465         PR target/49939
1466         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1467         the device does not have the skip-bug.
1468
1469 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1470
1471         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1472         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1473         -mpretend-cmove): New.
1474
1475 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1476
1477         PR bootstrap/52397
1478         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1479         doesn't count DEBUG_INSN refs.
1480         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1481         for DEBUG_INSN refs.
1482
1483 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1484
1485         Partially revert:
1486
1487         2012-02-20  Richard Guenther  <rguenther@suse.de>
1488         PR tree-optimization/52298
1489         * tree-vect-stmts.c (vectorizable_load): Properly use
1490         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1491         outer loops.
1492
1493 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1494
1495         PR middle-end/51752
1496         * gimple.h (gimple_in_transaction): New.
1497         (gimple_set_in_transaction): New.
1498         (struct gimple_statement_base): Add in_transaction field.
1499         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1500         transaction loads.
1501         (tree_ssa_lim_initialize): Compute transaction bits.
1502         * tree.h (compute_transaction_bits): Protoize.
1503         * trans-mem.c (tm_region_init): Use the heap to store BB
1504         auxilliary data.
1505         (compute_transaction_bits): New.
1506
1507 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1508
1509         * gcc.c (display_help): Document --help=common and sort entries
1510         alphabetically.
1511
1512 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1513
1514         * doc/install.texi: Document check-$LANG specific shortcuts
1515
1516 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1517
1518         PR target/51534
1519         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1520         and vcgtu.
1521         * config/arm/arm_neon.h: Regenerate.
1522         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1523         (neon_vcgeu): New insn.
1524         (neon_vcgtu): Likewise.
1525         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1526         (ops): Unsigned comparison intrinsics call a different
1527         builtin.
1528
1529 2012-02-28  Richard Guenther  <rguenther@suse.de>
1530
1531         PR target/52407
1532         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1533         ordering for the VEC_CONCAT for two element vectors for
1534         V2SFmode, V2SImode and V2DImode.
1535
1536 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1537
1538         PR target/49448
1539         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1540         detecting big-endian triplets.
1541
1542 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1543
1544         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1545         mode if there is no type information available.
1546
1547 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1548
1549         PR tree-optimization/53207
1550         * doc/invoke.texi: Document as experimental and relying on graphite.
1551
1552 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1553
1554         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1555         of initializer to changes from r184614.
1556
1557 2012-02-28  Richard Guenther  <rguenther@suse.de>
1558
1559         PR tree-optimization/52395
1560         * tree-sra.c (build_ref_for_offset): Also look at the base
1561         TYPE_ALIGN when figuring out the alignment of the replacement.
1562
1563 2012-02-28  Richard Guenther  <rguenther@suse.de>
1564
1565         PR tree-optimization/52402
1566         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1567         mis-aligned types when creating the accesses at the call site.
1568
1569 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1570
1571         * config/avr/builtins.def: New file.
1572         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1573         * config/avr/avr.c (enum avr_builtin_id): Use it.
1574         (avr_init_builtins): Use it. And use avr_bdesc.
1575         (bdesc_1arg): Remove.
1576         (bdesc_2arg): Remove.
1577         (bdesc_3arg): Remove.
1578         (struct avr_builtin_description): Add field n_args.
1579         (avr_bdesc): New static variable using builtins.def.
1580         (avr_expand_builtin): Use it.
1581         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1582         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1583         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1584
1585 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1586
1587         PR target/52148
1588         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1589         match only one single hard register with respective hard reg rtx.
1590         (movmemx_<mode>): Ditto.
1591         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1592         insn anatomy of movmem[x]_<mode>.
1593         (avr_out_movmem): Same for printing assembler and operand usage.
1594
1595 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1596
1597         PR target/49868
1598         PR target/52261
1599         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1600         address spaces located outside of device flash.
1601
1602         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1603         (mcu_type_s): Add field n_flash.
1604         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1605         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1606         (AVR_MCU): Add N_FLASH argument.
1607         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1608         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1609         macro __FLASH<n> if that address space makes sense for the device.
1610         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1611         outside of target flash.
1612         (avr_asm_named_section): Ditto.
1613         (avr_asm_select_section): Ditto.
1614         (avr_addr_space_convert): Ditto.
1615         (avr_emit_movmemhi): Ditto.
1616         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1617         address space is outside of device flash.
1618         (avr_insert_attributes): Ditto.
1619         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1620         avr_current_arch->n_segments.
1621
1622 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1623
1624         PR target/52352
1625         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1626         TARGET_LP64.
1627         (*movabs<mode>_2): Likewise.
1628
1629 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1630
1631         PR target/52375
1632         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1633         s_register_operand in the test instead of REG_P.  Don't call
1634         gen_reg_rtx if it won't be used.
1635
1636         PR tree-optimization/52376
1637         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1638
1639 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1640
1641         * ifcvt.c (noce_get_condition): Check condition variable is not
1642         small_register_classes_for_mode_p before accepting.
1643
1644 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1645
1646         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1647
1648 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1649
1650         Revert:
1651         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1652         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1653         tuning parameters.
1654         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1655
1656 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1657
1658         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1659
1660 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1661
1662         * config/sh/predicates.md: Remove blank lines.
1663         * config/sh/sh.c: Fix typos in comments.
1664         * config/sh/constraints.md: Likewise.
1665         * config/sh/sh.md: Remove blank lines.
1666         Fix typos in comments.  Use ;; as comment characters.
1667
1668 2012-02-26  Walter Lee  <walt@tilera.com>
1669
1670         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1671         (replace_mov_pcrel_step2): Ditto.
1672
1673 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1674
1675         PR debug/52001
1676         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1677         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1678         and locs that reference values newer than the non-canonical value
1679         at hand.  Return the canonical value as a worst case.
1680         (memrefs_conflict_p): Walk canonical value's locs.
1681
1682         PR debug/52001
1683         * cselib.c (preserve_only_constants): Rename to...
1684         (preserve_constants_and_equivs): ... this.  Split out...
1685         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1686         of other preserved expressions too.
1687         (cselib_reset_table): Adjust.
1688         * var-tracking.c (reverse_op): Use canonical value to build
1689         reverse operation.
1690
1691 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1692
1693         * config/i386/i386.c (ix86_delegitimize_address): Handle
1694         UNSPEC_PCREL plus displacement.
1695
1696 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1697
1698         PR target/52261
1699         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1700         to test for unusedness in st X addressing.
1701
1702 2012-02-24  Richard Guenther  <rguenther@suse.de>
1703
1704         PR middle-end/52361
1705         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1706         (is_gimple_reg_type): Move inline ...
1707         * gimple.h (is_gimple_reg_type): ... here.
1708
1709 2012-02-24  Richard Guenther  <rguenther@suse.de>
1710
1711         PR middle-end/52361
1712         * passes.c (execute_function_todo): When verifying SSA form
1713         verify gimple form first.
1714         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1715
1716 2012-02-24  Richard Guenther  <rguenther@suse.de>
1717
1718         PR middle-end/52355
1719         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1720         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1721
1722 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1723
1724         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1725
1726 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1727
1728         * tree-phinodes.c (make_phi_node): Mark static.
1729         * tree-flow.h (make_phi_node): Remove extern decl.
1730         * doc/gimple.texi (make_phi_node): Remove documentation.
1731
1732 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1733
1734         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1735         * tree-ssa-sccvn.c (print_scc): Ditto.
1736
1737 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1738
1739         * doc/passes.texi (Full redundancy elimination): Fix typo.
1740
1741 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1742
1743         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1744
1745 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1746
1747         PR bootstrap/52287
1748         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1749
1750 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1751
1752         PR c/52290
1753         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1754
1755 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1756
1757         * config/avr/avr.md (code_stdname): Add ior, xor.
1758         (xior): New code iterator.
1759         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1760         (*<code_stdname><mode>qi.byte1-3): Ditto.
1761
1762 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1763
1764         PR tree-optimization/52019
1765         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1766         CLOBBER stmts.
1767
1768 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1769
1770         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1771         HAVE_INITFINI_ARRAY to work around namespace pollution in
1772         certain versions of newlib system headers.
1773         * config.in: Regenerate.
1774         * configure: Regenerate.
1775         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1776         instead of HAVE_INITFINI_ARRAY.
1777
1778 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1779
1780         PR target/52330
1781         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1782         is not offsettable memory reference.
1783
1784 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1785
1786         PR target/18145
1787         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1788         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1789
1790 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1791
1792         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1793         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1794
1795 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1796
1797         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1798         library on Solaris 8 even without TLS support.
1799         * configure: Regenerate.
1800
1801 2012-02-22  Richard Guenther  <rguenther@suse.de>
1802
1803         PR middle-end/52329
1804         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1805         for GIMPLE_DEBUG stmts.
1806
1807 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1808
1809         PR middle-end/51782
1810         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1811         according to the base object.
1812
1813 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1814
1815         PR rtl-optimization/50063
1816         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1817         and 2 (8-bit SP) in operand 2.
1818         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1819         setup to use movhi_sp_r instead of vanilla move to write SP.
1820         Adjust REG_CFA notes to superseed unspec.
1821         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1822         of vanilla move.
1823         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1824         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1825         irq_state 1 (IRQ known to be on) here.
1826
1827 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1828
1829         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1830         WORDS_BIG_ENDIAN.
1831         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1832         assign_hard_reg): Likewise.
1833
1834 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1835
1836         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1837
1838 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1839
1840         * config/avr/avr.md
1841         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1842         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1843
1844 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1845
1846         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1847         prototype from here to...
1848         * config/avr/avr.h: ...here.
1849
1850 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1851
1852         PR target/52294
1853         * thumb2.md (thumb2_shiftsi3_short): Split register and
1854         immediate shifts.  For register shifts tie operands 0 and 1.
1855         (peephole2 for above): Check that register-controlled shifts
1856         have suitably tied operands.
1857
1858 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1859
1860         PR target/52137
1861         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1862         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1863         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1864         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1865         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1866         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1867         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1868         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1869         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1870         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1871         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1872         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1873         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1874         bdver1_ssevector_avx256_unaligned_load,
1875         bdver1_ssevector_sse128_unaligned_load,
1876         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1877         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1878         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1879         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1880         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1881         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1882         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1883         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1884         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1885         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1886         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1887         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1888         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1889         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1890         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1891         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1892         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1893         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1894         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1895         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1896         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1897         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1898         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1899         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1900         bdver1_ssediv_double_load, bdver1_ssediv_double,
1901         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1902         Add "bdver2" attribute.
1903
1904 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1905
1906         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1907         default if possible and not specified otherwise.
1908
1909 2012-02-21  Richard Guenther  <rguenther@suse.de>
1910
1911         PR middle-end/52314
1912         * gimplify.c (create_tmp_from_val): Use the main variant type
1913         for the type of the temporary we create.
1914
1915 2012-02-21  Richard Guenther  <rguenther@suse.de>
1916
1917         PR tree-optimization/52324
1918         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1919         do not gimplify a MEM_REF address operand if it is already
1920         in suitable form.
1921
1922 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1923
1924         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1925         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1926
1927 2012-02-21  Richard Guenther  <rguenther@suse.de>
1928
1929         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1930         nested_in_vect_loop.
1931
1932 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR tree-optimization/52318
1935         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1936         vdef also to non-pure/const call stmts in the sequence.
1937
1938 2012-02-20  David S. Miller  <davem@davemloft.net>
1939
1940         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1941         don't use the "rd %pc" instruction on v9 for PIC register loads.
1942
1943 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1944
1945         PR middle-end/52141
1946         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1947         in a transaction safe function.
1948
1949 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1950
1951         PR target/52238
1952         * stor-layout.c (place_field): Handle desired_align for
1953         ms-bitfields, too.
1954
1955 2012-02-20  Richard Guenther  <rguenther@suse.de>
1956
1957         PR tree-optimization/52298
1958         * tree-vect-stmts.c (vectorizable_store): Properly use
1959         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1960         outer loops.
1961         (vectorizable_load): Likewise.
1962         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1963         Access DR_STEP after ensuring it is not NULL.
1964
1965 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1966
1967         PR tree-optimization/52286
1968         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1969         optimization use double_int_to_tree instead of build_int_cst_wide,
1970         rewrite to use double_int vars.
1971
1972 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1973
1974         PR target/50166
1975         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1976         Define _start.
1977         Remove -e 0 from $gcc_cv_ld invocation.
1978         Only use __GLIBC_PREREQ if defined.
1979         Enable on Solaris since Solaris 8 patch.
1980         (gcc_SUN_LD_VERSION): New macro.
1981         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1982         gcc_SUN_LD_VERSION for version number format.
1983         * configure: Regenerate.
1984         * varasm.c (get_elf_initfini_array_priority_section): Set
1985         SECTION_NOTYPE for non-default priority.
1986         Use get_section instead of get_unnamed_section to emit
1987         .init_array/.fini_array with default priority.
1988
1989 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1990
1991         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1992         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1993         (mips_start_unique_function, mips_output_mips16_rdhwr)
1994         (mips_code_end): New functions.
1995         (TARGET_ASM_CODE_END): Define.
1996
1997 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1998
1999         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2000         to stubs with non-sibling calls.
2001
2002 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2003
2004         * doc/invoke.texi (-fira-* options): Copy-edit.
2005         (ira-* parameters): Copy-edit.
2006
2007 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2008
2009         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2010         GCC coding conventions.
2011
2012 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2013
2014         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2015         when used as adjectives.
2016
2017 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2018
2019         * doc/invoke.texi: Clean up "that"/"which" confusion.
2020
2021 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2022
2023         * system.h: Poison SMALL_REGISTER_CLASSES
2024         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2025         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2026
2027 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2028
2029         PR tree-optimization/52285
2030         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2031         when deciding if a call is a tail call or tail recursion.
2032
2033 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2034
2035         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2036         interger-constant displacement for UNSPEC_PCREL.
2037
2038 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2039
2040         PR rtl-optimization/52208
2041         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2042         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2043
2044         PR tree-optimization/52255
2045         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2046         loop->header has virtual PHI, but exit_e->dest doesn't, add
2047         virtual PHI to exit_e->dest and adjust all uses after the loop.
2048
2049         PR debug/52260
2050         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2051         children with clone_tree_hash, not after it.
2052
2053 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2054
2055         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2056         extended identifiers.
2057
2058 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2059
2060         PR middle-end/51929
2061         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2062         a same_body_alias, also test whether e->callee isn't a former
2063         or current clone of the decl this is a same body alias of.
2064
2065         PR translation/52264
2066         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2067
2068 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2069
2070         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2071
2072 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2073
2074         PR target/52199
2075         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2076         force_reg instead of copy_to_reg for better optimization.  Force
2077         non-register or memory operands into a register.
2078
2079 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2080
2081         * extend.texi: Reserve upper bits of memory model for future use.
2082
2083 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2084             Anatoly Sokolov <aesok@post.ru>
2085             Eric Weddington <eric.weddington@atmel.com>
2086
2087         PR target/52261
2088         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2089         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2090         Rewrite initializers for .macro.
2091         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2092         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2093         atxmega32d4, atxmega32x1.
2094         avrxmega4: atxmega64a3, atxmega64d3.
2095         avrxmega5: atxmega64a1, atxmega64a1u.
2096         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2097         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2098         avrxmega7: atxmega128a1, atxmega128a1u.
2099         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2100         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2101         (struct base_arch_s): Rename reserved to xmega_p.
2102         Rename reserved2 to have_rampd.
2103         (AVR_XMEGA): New define.
2104         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2105         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2106         * config/avr/predicates.md (io_address_operand): Take into
2107         account SFR offset.
2108         (low_io_address_operand): Ditto.
2109         (high_io_address_operand): Ditto.
2110         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2111         (enabled, movhi_sp_r): Use them.
2112         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2113         cpp_define_formatted to built-in define __AVR_ARCH__.
2114         (__AVR_XMEGA__): New built-in define.
2115         (__AVR_HAVE_RAMPD__): New built-in define.
2116         (__AVR_HAVE_RAMPX__): New built-in define.
2117         (__AVR_HAVE_RAMPY__): New built-in define.
2118         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2119
2120         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2121         (avr_option_override): Initialize them.
2122         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2123         (avr_init_expanders): Initialize them. No more block several calls.
2124         (emit_push_sfr): New static function.
2125         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2126         Handle AVR_XMEGA.
2127         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2128         (avr_print_operand): Print addreeses as symbols for
2129         RAMPX, RAMPY, RAMPD, CCP.
2130         (output_movhi): Handle AVR_XMEGA when writing to SP.
2131         (avr_out_movhi_mr_r_xmega): New static function.
2132         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2133         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2134         __RAMPD__,  __CCP__ as needed.
2135
2136         * config/avr/multilib.h: Regenerate.
2137         * config/avr/t-multilib: Regenerate.
2138         * config/avr/avr-tables.opt: Regenerate.
2139
2140 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2141
2142         PR tree-optimization/50561
2143         * graphite-flattening.c (lst_project_loop): Do not
2144         remove old scattering dimensions after flattening.
2145         (lst_do_flatten): Likewise.
2146
2147 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2150         __builtin_avr_map8, __builtin_avr_map16.
2151         Document __builtin_avr_insert_bits.
2152
2153         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2154         (insert_bits): New insn.
2155         (adjust_len.map_bits): Rename to insert_bits.
2156         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2157         * avr-protos.h (avr_out_map_bits): Remove.
2158         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2159         * config/avr/constraints.md (Cxf,C0f): New.
2160         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2161         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2162         New built-in define __BUILTIN_AVR_INSERT_BITS.
2163         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2164         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2165         (avr_move_bits): Rewrite.
2166         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2167         functions.
2168         (avr_map_op_t): New typedef.
2169         (avr_map_op): New static variable.
2170         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2171         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2172         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2173         (bdesc_3arg, avr_expand_triop_builtin): New.
2174         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2175         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2176         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2177         (avr_map_equal_p, avr_map_sig_p): Remove.
2178         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2179         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2180         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2181         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2182         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2183         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2184
2185 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2186
2187         * config/c6x/c6x.md (reserve_cycles): New attribute.
2188         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2189         don't reserve functional units after the branch occurs.
2190
2191 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2192
2193         PR middle-end/52142
2194         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2195         functions into non-tm_pure functions.
2196
2197 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2198
2199         PR lto/52178
2200         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2201         (iterative_hash_canonical_type): Likewise.
2202         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2203         the dead edges.
2204
2205 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2206
2207         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2208         sched-group insn, it either remains alone or the entire list is pruned.
2209
2210 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2211
2212         * doc/install.texi (Prerequisites): Fix grammar.
2213         (Configuration): Likewise.
2214
2215 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2216
2217         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2218         MPC as part of GCC before describing configuring with --with-gmp etc.
2219         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2220         sources are present.
2221
2222 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2223
2224         PR debug/51950
2225         * dwarf2out.c (clone_tree_hash): New function.
2226         (copy_decls_walk): Use it instead of clone_tree.
2227
2228 2012-02-14  Richard Guenther  <rguenther@suse.de>
2229
2230         PR tree-optimization/52244
2231         PR tree-optimization/51528
2232         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2233         replacements for integral types.
2234
2235 2012-02-14  Walter Lee  <walt@tilera.com>
2236
2237         * config.gcc: Handle tilegx and tilepro.
2238         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2239         tilegx and tilepro.
2240         Add HAVE_AS_TLS check for tilegx and tilepro.
2241         * configure: Regenerate.
2242         * doc/contrib.texi: Add Mat Hostetter and self.
2243         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2244         Document instruction intrinsics and network accessing intrinsics.
2245         (TILEPro Built-in Functions): New node.  Document instruction
2246         intrinsics and network accessing intrinsics.
2247         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2248         (Specific, tilepro-*-linux*): Likewise.
2249         * doc/invoke.texi (TILE-Gx Options): New section.
2250         (TILEPro Options): New section.
2251         * doc/md.texi (TILE-Gx): New section.
2252         (TILEPro): New section.
2253         * common/config/tilegx/tilegx-common.c: New file.
2254         * common/config/tilepro/tilepro-common.c: New file.
2255         * config/tilegx/constraints.md: New file.
2256         * config/tilegx/linux.h: New file.
2257         * config/tilegx/mul-tables.c: New file.
2258         * config/tilegx/predicates.md: New file.
2259         * config/tilegx/sync.md: New file.
2260         * config/tilegx/t-tilegx: New file.
2261         * config/tilegx/tilegx-builtins.h: New file.
2262         * config/tilegx/tilegx-c.c: New file.
2263         * config/tilegx/tilegx-generic.md: New file.
2264         * config/tilegx/tilegx-modes.def: New file.
2265         * config/tilegx/tilegx-multiply.h: New file.
2266         * config/tilegx/tilegx-protos.h: New file.
2267         * config/tilegx/tilegx.c: New file.
2268         * config/tilegx/tilegx.h: New file.
2269         * config/tilegx/tilegx.md: New file.
2270         * config/tilegx/tilegx.opt: New file.
2271         * config/tilepro/constraints.md: New file.
2272         * config/tilepro/gen-mul-tables.cc: New file.
2273         * config/tilepro/linux.h: New file.
2274         * config/tilepro/mul-tables.c: New file.
2275         * config/tilepro/predicates.md: New file.
2276         * config/tilepro/t-tilepro: New file.
2277         * config/tilepro/tilepro-builtins.h: New file.
2278         * config/tilepro/tilepro-c.c: New file.
2279         * config/tilepro/tilepro-generic.md: New file.
2280         * config/tilepro/tilepro-modes.def: New file.
2281         * config/tilepro/tilepro-multiply.h: New file.
2282         * config/tilepro/tilepro-protos.h: New file.
2283         * config/tilepro/tilepro.c: New file.
2284         * config/tilepro/tilepro.h: New file.
2285         * config/tilepro/tilepro.md: New file.
2286         * config/tilepro/tilepro.opt: New file.
2287
2288 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2289
2290         PR tree-optimization/52210
2291         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2292         vect_model_simple_cost with two entry vect_def_type array instead
2293         of an address of dt.
2294
2295 2012-02-14  Richard Guenther  <rguenther@suse.de>
2296
2297         PR lto/52178
2298         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2299         Do not stream DECL_QUALIFIER.
2300         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2301         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2302         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2303
2304 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR c/52181
2307         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2308         newdecl.
2309
2310 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2311
2312         PR bootstrap/52172
2313         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2314         * cselib.c (cselib_subst_to_values_from_insn): New function.
2315         * sched-deps.c (add_insn_mem_dependence,
2316         sched_analyze_1, sched_analyze_2): Use it.
2317
2318 2012-02-13  Jan Hubicka  <jh@suse.cz>
2319
2320         PR middle-end/52214
2321         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2322
2323 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2324
2325         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2326         (GTM_SELF_SPECS): Define if not already defined.
2327         (driver_self_specs): Add GTM_SELF_SPECS.
2328         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2329         (GTM_SELF_SPECS): Define.
2330         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2331         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2332
2333 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2334
2335         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2336         away if seen.
2337
2338         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2339
2340         PR middle-end/52230
2341         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2342         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2343
2344 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2345
2346         PR c/52190
2347         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2348
2349 2012-02-13  Richard Guenther  <rguenther@suse.de>
2350
2351         PR translation/52211
2352         * passes.c (enable_disable_pass): Fix typo.
2353
2354 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2355
2356         PR middle-end/52209
2357         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2358         XOR for reduce_bit_field if type is unsigned.
2359
2360 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2361
2362         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2363         disallow changes from SFmode to mode with different size in FP regs.
2364
2365 2012-02-12  Robert Millan  <rmh@gnu.org>
2366             Gerald Pfeifer <gerald@pfeifer.com>
2367
2368         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2369         Tweak comment.
2370
2371 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2372
2373         PR rtl-optimization/52175
2374         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2375         to frame-related instructions.
2376
2377 2012-02-10  Jason Merrill  <jason@redhat.com>
2378
2379         PR c++/51910
2380         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2381         (demangle_new_symbols): Fill it.
2382         (scan_linker_output): Walk it.
2383         (start_tweaking): Split out from scan_linker_output.
2384         (maybe_tweak): Update sym->chosen.
2385         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2386
2387 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2388
2389         PR debug/52132
2390         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2391
2392 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2393
2394         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2395         having the same mode as previous compare.
2396
2397 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2398
2399         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2400         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2401         (nonlocal_goto_internal): Likewise.
2402         (nonlocal_goto): Emit a use and an indirect jump directly.
2403
2404 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2405
2406         PR c/52190
2407         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2408         __atomic_{is,always}_lock_free.
2409
2410 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2411
2412         PR target/52146
2413         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2414         negative constant address for x32.
2415
2416 2012-02-10  Richard Henderson  <rth@redhat.com>
2417
2418         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2419         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2420         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2421
2422 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2423             Ira Rosen  <irar@il.ibm.com>
2424
2425         PR tree-optimization/50031
2426         * targhooks.c (default_builtin_vectorization_cost): Handle
2427         vec_promote_demote.
2428         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2429         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2430         all types of reduction and pattern statements.
2431         (vect_estimate_min_profitable_iters): Likewise.
2432         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2433         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2434         for explicit realigns.
2435         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2436         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2437         vec_promote_demote.
2438         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2439         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2440         vec_perm for VSX and handle vec_promote_demote.
2441
2442 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2443
2444         PR middle-end/52177
2445         * builtins.c (fold_builtin_atomic_always_lock_free,
2446         expand_builtin_atomic_always_lock_free,
2447         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2448         Return and/or test boolean_true_node/boolean_false_node instead of
2449         integer_one_node/integer_zero_node.
2450
2451 2012-02-10  Jan Hubicka  <jh@suse.cz>
2452
2453         PR middle-end/48600
2454         * predict.c (predict_paths_for_bb): Prevent looping.
2455         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2456
2457 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2458
2459         * config/arm/arm.c (output_move_double): In one case properly
2460         count number of instructions that will be emitted.
2461
2462 2012-02-10  Richard Guenther  <rguenther@suse.de>
2463
2464         PR translation/52193
2465         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2466
2467 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2468
2469         PR middle-end/52140
2470         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2471
2472 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2473
2474         PR debug/52165
2475         * var-tracking.c (emit_note_insn_var_location): If
2476         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2477         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2478         non-NOTE_DURING_CALL_P insn.
2479
2480 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2481
2482         PR middle-end/51867
2483         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2484
2485 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2486
2487         PR driver/48524
2488         * gcc.c (switch_matches) Support switches with separated form,
2489         -D and -U.
2490
2491 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2492
2493         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2494         (SP_ADDR): Ditto.
2495         (RAMPZ_ADDR): Ditto.
2496         * config/avr/avr.c (avr_addr_t): New typedef.
2497         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2498         (avr_init_expanders): Initialize it.
2499         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2500         SREG_ADDR.
2501         (expand_epilogue): Ditto.
2502         (avr_print_operand): Ditto.
2503         (avr_file_start): Ditto.
2504         (avr_emit_movmemhi): Ditto.
2505
2506 2012-02-08  Richard Guenther  <rguenther@suse.de>
2507
2508         PR tree-optimization/46886
2509         * tree-flow.h (do_while_loop_p): Declare.
2510         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2511         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2512
2513 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2514
2515         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2516         always succeed for integers larger than a native word.
2517
2518 2012-02-08  Richard Guenther  <rguenther@suse.de>
2519
2520         PR rtl-optimization/52170
2521         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2522         properly handle integer vector modes.
2523
2524 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2525
2526         PR gcov-profile/52150
2527         * coverage.c: Include target.h.
2528         (build_var): Call targetm.strip_name_encoding on the assembler name.
2529         Change one _ into . or $ if the target allows it.
2530         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2531
2532         PR rtl-optimization/52139
2533         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2534         is a BARRIER after emit_insn_after_noloc, move BB_END
2535         to the last non-BARRIER insn before it.
2536
2537 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2538
2539         PR middle-end/24306
2540         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2541         (mips_gimplify_va_arg_expr): Call it instead of
2542         std_gimplify_va_arg_expr.
2543
2544 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2545
2546         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2547         message for -mno-pointers-to-nested-function.
2548
2549 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2550
2551         PR middle-end/51994
2552         * expr.c (get_inner_reference): If there is an offset, add a negative
2553         bit position to it (if any).
2554
2555 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2556
2557         PR rtl-optimization/52060
2558         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2559         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2560         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2561         and/or i0src_copy2 when needed.
2562
2563 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2564
2565         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2566         or LTOPLUGINSONAME if have_c.
2567
2568         * config/freebsd-spec.h: Add comment about what macros can be defined
2569         in this header.
2570         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2571         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2572         here instead.
2573
2574 2012-02-07  Richard Guenther  <rguenther@suse.de>
2575
2576         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2577         newline in -alias dumps.
2578
2579 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2580             Dave Korn  <dave.korn.cygwin@gmail.com>
2581
2582         PR target/40068
2583         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2584         Take care that typinfo gets dllexport-attribute.
2585
2586 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2587
2588         PR middle-end/52074
2589         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2590         if modifier < EXPAND_SUM call force_operand on the result.
2591
2592 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2593
2594         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2595         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2596         present.
2597         (epiphany_function_type): Replace types for specific interrupts with
2598         EPIPHANY_FUNCTION_INTERRUPT.
2599         (EPIPHANY_INTERRUPT_P): Update.
2600         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2601         New static function.
2602         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2603         <disinterrupt>: Affects type identity.
2604         (epiphany_handle_interrupt_attribute): Handle variable number of
2605         arguments.
2606         (epiphany_compute_function_type): Update for new
2607         epiphany_function_type definition.
2608         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2609         handlers with a longcall forwarder.
2610         (epiphany_start_function): Handle multiple interrupt arguments and/or
2611         forwarder_section attribute.
2612
2613         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2614         libgloss.
2615
2616 2012-02-07  Alan Modra  <amodra@gmail.com>
2617
2618         PR target/52107
2619         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2620         subregs of TFmode.
2621
2622 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2623
2624         PR tree-optimization/50969
2625         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2626         use vec_perm rather than vector_stmt.
2627         (vect_model_load_cost): Likewise.
2628         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2629         vec_perm to be the same as other vector statements.
2630         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2631         cost of vec_perm for TARGET_VSX.
2632
2633 2012-02-06  Richard Guenther  <rguenther@suse.de>
2634
2635         PR tree-optimization/52115
2636         * tree-sra.c (access_has_replacements_p): New function.
2637         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2638
2639 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2640
2641         PR middle-end/52047
2642         * trans-mem.c (expand_call_tm): Add an assertion.
2643         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2644         functions.
2645
2646 2012-02-06  Richard Guenther  <rguenther@suse.de>
2647
2648         PR tree-optimization/50955
2649         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2650         raise cost of expressions that replace an address with an
2651         expression based on a different pointer.
2652
2653 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2654
2655         PR target/52129
2656         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2657         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2658
2659 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2660
2661         PR c++/48680
2662         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2663         -Weffc++ and specify guidelines come from second edition.
2664
2665 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2666
2667         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2668         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2669         (call_direct_split, call_value_split, call_value_internal_direct)
2670         (call_value_direct_split, call_value_multiple_split): Use jal and
2671         jal_macro attributes.
2672
2673 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2674
2675         * reload1.c (reload_regs_reach_end_p): Replace with...
2676         (reload_reg_rtx_reaches_end_p): ...this function.
2677         (new_spill_reg_store): Update commentary.
2678         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2679         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2680         before setting new_spill_reg_store.
2681         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2682         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2683         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2684         for non-spill reload registers.
2685
2686 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2687
2688         PR tree-optimization/52091
2689         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2690         (vect_is_simple_use_1): Likewise.
2691         * tree-vect-loop.c (vectorizable_reduction): Update calls
2692         to vect_is_simple_use_1 and vect_is_simple_use.
2693         (vectorizable_live_operation): Likewise.
2694         * tree-vect-patterns.c (widened_name_p,
2695         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2696         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2697         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2698         vectorizable_shift,vectorizable_operation, vectorizable_store,
2699         vectorizable_load): Likewise.
2700         (vect_is_simple_cond): Add an argument, pass it to
2701         vect_is_simple_use_1.
2702         (vectorizable_condition): Update calls to vect_is_simple_cond,
2703         vect_is_simple_use.
2704         (vect_is_simple_use): Add an argument, the statement in which
2705         OPERAND is used.  Check that if OPERAND's def stmt is a double
2706         reduction phi node, the use is a phi node too.
2707         (vect_is_simple_use_1): Add an argument, pass it to
2708         vect_is_simple_use.
2709         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2710         to vect_is_simple_use.
2711
2712 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2713
2714         PR rtl-optimization/52095
2715         * modulo-sched.c (dump_insn_locator): New function.
2716         (loop_canon_p, sms_schedule): Use it.
2717
2718         PR rtl-optimization/52113
2719         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2720         even for decomposable shift/zext insns.
2721
2722 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2723             Zdenek Dvorak  <ook@ucw.cz>
2724
2725         PR rtl-optimization/52092
2726         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2727         on get_iv_value result.
2728
2729 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2730
2731         PR middle-end/47982
2732         PR middle-end/43967
2733         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2734
2735 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2736
2737         PR middle-end/48071
2738         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2739
2740 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2741
2742         PR rtl-optimization/49800
2743         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2744         (sched_finish): Call regstat_free_n_sets_and_refs.
2745
2746 2012-02-02  Jia Liu  <proljc@gmail.com>
2747
2748         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2749         than operand 2.
2750
2751 2012-02-02  Jan Hubicka  <jh@suse.cz>
2752             Tom de Vries  <tom@codesourcery.com>
2753
2754         PR middle-end/51998
2755         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2756         * varpool.c (varpool_analyze_pending_decls): Likewise.
2757
2758 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2759             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2760
2761         * config.gcc: Add cr16-* support.
2762
2763         * doc/extend.texi: Document cr16 extensions.
2764         * doc/install.texi: Document cr16 install.
2765         * doc/invoke.texi: Document cr16 options.
2766         * doc/md.texi: Document cr16 constraints.
2767
2768         * common/config/cr16/cr16-common.c: New file.
2769         * config/cr16/cr16.c: New file.
2770         * config/cr16/cr16.h: New file.
2771         * config/cr16/cr16.md: New file.
2772         * config/cr16/cr16.opt: New file.
2773         * config/cr16/cr16-protos.h: New file.
2774         * config/cr16/predicates.md: New file.
2775         * config/cr16/constraints.md: New file.
2776         * config/cr16/t-cr16: New file.
2777
2778 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR target/52086
2781         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2782         that operands[2] is either immediate, or q_regs_operand.
2783
2784         PR tree-optimization/52073
2785         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2786         a pattern stmt for pattern uses, ignore uses outside of the loop.
2787
2788 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2789
2790         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2791         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2792         (OUT_AS1, OUT_AS2): Remove.
2793
2794 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2795
2796         PR rtl-optimization/51374
2797         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2798         to cross other volatile_refs_p insns.
2799
2800 2012-02-01  Richard Guenther  <rguenther@suse.de>
2801
2802         * doc/invoke.texi (fno-inline): Clarify documentation.
2803         (finline-small-functions): Likewise.
2804         (finline-functions): Likewise.
2805         * common.opt (finline): Adjust comment and documentation.
2806         (finline-small-functions): Clarify documentation.
2807         (finline-functions): Likewise.
2808         (finline-functions-called-once): Likewise.
2809
2810 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2811
2812         * c-typeck.c (composite_type): Keep mode for pointers.
2813
2814 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2815
2816         * function.h (regno_reg_rtx): Adjust comment.
2817         * reginfo.c (init_reg_modes_target): Only use the previous mode
2818         if it fits within one register.  Remove MIPS comment.
2819
2820 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR bootstrap/52058
2823         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2824
2825 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2826
2827         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2828         to srak instruction.
2829
2830 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2831
2832         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2833
2834 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR bootstrap/52041
2837         PR bootstrap/52039
2838         PR target/51974
2839         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2840
2841 2012-01-31  Richard Guenther  <rguenther@suse.de>
2842
2843         PR tree-optimization/51528
2844         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2845         assigns.
2846
2847 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2848
2849         PR bootstrap/52041
2850         PR bootstrap/52039
2851         PR target/51974
2852         * ree.c (add_removable_extension): Change def_map argument
2853         to unsigned *, store in def_map 1 + offset into *insn_list vector
2854         instead of pointers into the vector.
2855         (find_removable_extensions): Adjust caller.
2856
2857 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2858
2859         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2860         Transform all "* quoted-c-code" to { c-code }.
2861         Remove redundant test for "optimize" in combine patterns.
2862         Move (include "avr-dimode.md") to end of file.
2863
2864 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2865
2866         PR target/51835
2867         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2868         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2869
2870 2012-01-30  Richard Guenther  <rguenther@suse.de>
2871
2872         PR tree-optimization/52028
2873         * tree-loop-distribution.c (ldist_gen): Properly update
2874         virtual SSA form.
2875
2876 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2877
2878         PR debug/52027
2879         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2880         set_cur_line_info_table if not emitting debug info.
2881
2882         PR tree-optimization/52046
2883         * tree-vect-patterns.c (check_bool_pattern): Give up if
2884         a comparison could throw.
2885
2886         PR debug/52048
2887         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2888
2889 2012-01-30  Richard Guenther  <rguenther@suse.de>
2890
2891         PR tree-optimization/52045
2892         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2893         SSA form if cfgcleanup did anything.
2894
2895 2012-01-30  Richard Guenther  <rguenther@suse.de>
2896
2897         PR tree-optimization/52045
2898         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2899         before computing final todo.
2900
2901 2012-01-30  Richard Guenther  <rguenther@suse.de>
2902
2903         PR tree-optimization/51528
2904         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2905         for PR51528 fix.
2906
2907 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2908
2909         * df-problems.c (df_kill_notes): Check that the use refers
2910         to the note under examination.
2911
2912 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2913
2914         PR target/51920
2915         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2916         parameter and use short-lived pseudos.
2917         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2918         (sparc_expand_vector_init): Const-ify local variables and adjust
2919         calls to above functions.
2920
2921 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2922
2923         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2924
2925 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2926
2927         * doc/invoke.texi: Make usage of "compile time" and
2928         "run time"/"runtime" consistent throughout the file.
2929
2930 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2931
2932         * config/alpha/alpha.c (alpha_option_override): Default to
2933         full IEEE compliance mode for Go language.
2934
2935 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2936
2937         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2938         (LINK_SSP_SPEC): Define.
2939
2940 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2941
2942         PR target/51871
2943         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2944         stubs.
2945
2946 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2947
2948         * doc/invoke.texi: Correct hyphenation of "floating point",
2949         "double precision", and related terminology throughout the file.
2950
2951 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2952
2953         PR target/52006
2954         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2955         arm_general_register_operand predicate for operand 2 instead of
2956         register_operand.
2957
2958 2012-01-27  Ian Lance Taylor  <iant@google.com>
2959
2960         PR go/47656
2961         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2962         * builtins.c (expand_builtin_init_trampoline): Add onstack
2963         parameter.  Change caller.
2964         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2965         * tree.c (build_common_builtin_nodes): Declare
2966         __builtin_init_heap_trampoline.
2967
2968 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2969
2970         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2971         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2972         * config/avr/avr.c: Ditto.
2973         (avr_regnames): Remove because unused.
2974         * config/avr/avr.md (*cpse.ne): New peephole.
2975         (*cpse.eq): New peephole from former cpse peepholes.
2976
2977 2012-01-27  Michael Eager  <eager@eagercon.com>
2978
2979         * config/microblaze.c (microblaze_emit_compare): Correct
2980         test after pcmp instruction.
2981
2982 2012-01-27  Richard Guenther  <rguenther@suse.de>
2983
2984         PR tree-optimization/52020
2985         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2986
2987 2012-01-27  Richard Guenther  <rguenther@suse.de>
2988
2989         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2990         function non-const/pure.
2991
2992 2012-01-27  Richard Guenther  <rguenther@suse.de>
2993
2994         PR tree-optimization/50444
2995         * tree-sra.c (build_ref_for_offset): Properly adjust the
2996         MEM_REF type for unaligned accesses.
2997
2998 2012-01-27  Richard Guenther  <rguenther@suse.de>
2999
3000         PR tree-optimization/50444
3001         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3002         (expand_assignment): Use it.  Properly handle misaligned
3003         bases when expanding stores to component references.
3004         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3005         refactor that case.
3006
3007 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3008
3009         PR middle-end/51389
3010         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3011         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3012         * tree-data-ref.c (find_data_references_in_loop): Make static.
3013         (compute_all_dependences): Change return type to bool.  Bail out
3014         for too many datarefs in a loop.  Move the hunk resetting the data
3015         dependences vector from ...
3016         (compute_data_dependences_for_loop): ... here.  Account for
3017         compute_all_dependences returning false.
3018         (compute_data_dependences_for_bb): Likewise.
3019         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3020         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3021
3022 2012-01-27  Richard Guenther  <rguenther@suse.de>
3023
3024         PR middle-end/51959
3025         * expr.c (store_field): Use the alias-set of the scratch memory
3026         for storing to it.
3027
3028 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3029
3030         PR tree-optimization/51990
3031         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3032         WITH_SIZE_EXPR.
3033         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3034
3035 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR debug/52001
3038         * var-tracking.c (reverse_op): Don't add any reverse operation
3039         if V already has any constant locations.
3040
3041 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3042
3043         * doc/invoke.texi: Correct usage of "command line" (noun)
3044         vs "command-line" (adjective) throughout.
3045
3046 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3047
3048         * doc/invoke.texi (Language Independent Options): Move
3049         -Wcoverage-mismatch blurb from here....
3050         (Warning Options): ...to here.
3051
3052 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3053
3054         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3055         Set rs6000_always_hint to false for 476.
3056
3057 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3058
3059         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3060           system root.
3061         * incpath.c (add_standard_paths): Likewise.
3062
3063 2012-01-27  Richard Henderson  <rth@redhat.com>
3064
3065         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3066         * config/m68k/sync.md (atomic_test_and_set): Rename from
3067         sync_test_and_setqi and adjust the operands.
3068         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3069         and unconditionally enable.
3070
3071 2012-01-27  Richard Henderson  <rth@redhat.com>
3072
3073         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3074         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3075         (ldstub): Rename from ldstubqi.
3076         (ldstub<I24MODE>): Remove.
3077
3078 2012-01-27  Richard Henderson  <rth@redhat.com>
3079
3080         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3081         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3082         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3083         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3084         * doc/tm.texi: Rebuild.
3085
3086 2012-01-27  Richard Henderson  <rth@redhat.com>
3087
3088         * optabs.c (gen_atomic_test_and_set): Remove default.
3089         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3090
3091 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3092
3093         PR rtl-optimization/51978
3094         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3095         (combine_reaching_defs): Likewise.
3096         (struct re_info): Remove.
3097         (add_removable_extension): Remove x and data arguments,
3098         add insn, insn_list and def_map.  Use the arguments directly
3099         instead of using struct re_info.
3100         (find_removable_extensions): Don't call add_removable_extension
3101         through note_stores, instead just call it with single_set
3102         result if non-NULL.
3103         (find_and_remove_re): Pass curr_cand->expr instead of
3104         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3105
3106 2012-01-26  Michael Matz  <matz@suse.de>
3107
3108         PR tree-optimization/46590
3109         * cfgexpand.c: Revert last change (r183305).
3110         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3111         regs.
3112         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3113         checking for emptiness.
3114
3115 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR middle-end/51895
3118         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3119         non-addressable non-BLKmode base correctly.
3120
3121 2012-01-26  Michael Matz  <matz@suse.de>
3122
3123         PR tree-optimization/48794
3124         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3125         regions referenced from RESX/EH_DISPATCH.
3126
3127 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3128
3129         * config/s390/s390.h: Make BRANCH_COST an option.
3130         * config/s390/s390.opt: New option -mbranch-cost.
3131
3132 2012-01-26  Richard Henderson  <rth@redhat.com>
3133
3134         Revert 2012-01-24 change:
3135         * trans-mem.c (requires_barrier): Do not instrument thread local
3136         variables and emit save/restore for them.
3137
3138 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3139
3140         PR middle-end/51986
3141         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3142         for pat == 0.
3143
3144 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3145
3146         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3147         ASM_OPERANDS.
3148
3149 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3150
3151         PR target/49868
3152         Rename __pgm to __flash.
3153         Rename __pgm1 to __flash1.
3154         Rename __pgm2 to __flash2.
3155         Rename __pgm3 to __flash3.
3156         Rename __pgm4 to __flash4.
3157         Rename __pgm5 to __flash5.
3158         Rename __pgmx to __memx.
3159         * doc/extend.texi (AVR Named Address Spaces)
3160         Rename address space names as indicated above.
3161         * config/avr/avr.c (avr_addrspace): Ditto.
3162
3163         * config/avr/avr-protos.h
3164         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3165         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3166         * config/avr/predicates.md: Ditto.
3167         * config/avr/avr.c Ditto, and
3168         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3169         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3170
3171         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3172         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3173         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3174         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3175         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3176         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3177         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3178         * config/avr/avr.c: Ditto.
3179         * config/avr/avr.md: Ditto.
3180
3181 2012-01-25  Jason Merrill  <jason@redhat.com>
3182
3183         PR c++/51992
3184         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3185
3186 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3187
3188         PR tree-optimization/51987
3189         * tree-data-ref.c (get_references_in_stmt): Handle references in
3190         non-volatile GIMPLE_ASM.
3191
3192 2012-01-25  Richard Guenther  <rguenther@suse.de>
3193
3194         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3195         bases are dereferenced.
3196
3197 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3198
3199         PR rtl-optimization/48374
3200         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3201
3202 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3203
3204         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3205         compute_data_dependences_for_loop returns false.
3206         * tree-parloops.c (loop_parallel_p): Likewise.
3207
3208 2012-01-25  Richard Guenther  <rguenther@suse.de>
3209
3210         * tree.h (get_pointer_alignment_1): Declare.
3211         * builtins.c (get_pointer_alignment_1): New function.
3212         (get_pointer_alignment): Use it.
3213
3214 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3215
3216         PR rtl-optimization/48308
3217         * combine.c (enum undo_kind): Add UNDO_LINKS.
3218         (struct undo): Add member l to other_contents and where.
3219         (do_SUBST_LINK): New.
3220         (SUBST_LINK): New.
3221         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3222         (undo_all): Handle UNDO_LINKS.
3223
3224 2012-01-25  Richard Henderson  <rth@redhat.com>
3225
3226         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3227         mem inputs.
3228
3229 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3230
3231         * optabs.c (gen_atomic_test_and_set): Use each argument.
3232
3233 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3234
3235         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3236         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3237         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3238         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3239         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3240         TARGET_PAIRED_SINGLE_FLOAT.
3241
3242 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3243
3244         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3245         (in_struct, return_val): Remove MEM documentation.
3246         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3247         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3248         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3249         and MEM_SCALAR.
3250         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3251         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3252         * expr.c (store_field): Likewise.
3253         * function.c (assign_stack_temp_for_type): Likewise.
3254         * ifcvt.c (noce_try_cmove_arith): Likewise.
3255         * reload1.c (reload): Likewise.
3256         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3257         (alpha_set_memflags): Likewise.
3258         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3259
3260 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3261
3262         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3263         parameter.
3264         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3265         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3266         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3267         varies parameter.
3268         * cselib.c (cselib_rtx_varies_p): Delete.
3269         (cselib_invalidate_mem): Update call to canon_true_dependence.
3270         * dse.c (record_store, check_mem_read_rtx): Likewise.
3271         (scan_reads_nospill): Likewise.
3272         * cse.c (check_dependence): Likewise.
3273         (cse_rtx_varies_p): Delete.
3274         * expr.c (safe_from_p): Update call to true_dependence.
3275         * ira.c (validate_equiv_mem_from_store): Likewise.
3276         (memref_referenced_p): Likewise.
3277         * postreload-gcse.c (find_mem_conflicts): Likewise.
3278         * sched-deps.c (sched_analyze_2): Likewise.
3279         * store-motion.c (load_kills_store): Likewise.
3280         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3281         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3282         (compute_transp): Update call to canon_true_dependence.
3283
3284 2012-01-25  Richard Henderson  <rth@redhat.com>
3285
3286         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3287         (maybe_emit_atomic_test_and_set): New.
3288         (expand_sync_lock_test_and_set): Use it.
3289         (expand_atomic_test_and_set): Likewise.
3290         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3291         the implementation; clarify implementation defined details.
3292         * doc/md.texi (atomic_test_and_set): Document.
3293
3294 2012-01-25  Richard Henderson  <rth@redhat.com>
3295
3296         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3297
3298 2012-01-25  Richard Henderson  <rth@redhat.com>
3299
3300         PR target/51968
3301         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3302         to effect no-op split.
3303
3304 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3305
3306         PR lto/51698
3307         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3308         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3309         (BT_FN_VOID_PTR_INT_SIZE): New.
3310         (BT_FN_UINT_UINT_VAR): Remove.
3311         (BT_FN_UINT32_UINT32_VAR): New.
3312         (BT_FN_DOUBLE_VPTR): Remove.
3313         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3314
3315         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3316         (_ITM_changeTransactionMode): Same.
3317         (_ITM_memmoveRtWt): Change return type to void.
3318         (_ITM_memcpyRtWt): Same.
3319         (_ITM_memsetW): Same.
3320         (_ITM_RaRD): Change types to double.
3321         (_ITM_RD): Same.
3322         (_ITM_RaWD): Same.
3323         (_ITM_RfWD): Same.
3324
3325         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3326
3327 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3328             Patrick Marlier  <patrick.marlier@gmail.com>
3329
3330         * trans-mem.c (requires_barrier): Do not instrument thread local
3331         variables and emit save/restore for them.
3332
3333 2012-01-24  Jason Merrill  <jason@redhat.com>
3334
3335         PR c++/51812
3336         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3337         output static aliases.
3338
3339 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3340
3341         PR driver/47249
3342         * common.opt (-pie, -shared, pie, shared): Change from Common to
3343         Driver.
3344         * gcc.c (display_help): Display help for -pie and -shared.
3345
3346 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3347
3348         PR target/49868
3349         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3350         Remove note on size/offset limitation.
3351         (AVR Variable Attributes): Add example how to read data located
3352         with progmem.  Refer to named address spaces.
3353         * doc/invoke.texi (AVR Options): Fix typo.
3354
3355 2012-01-24  Richard Guenther  <rguenther@suse.de>
3356
3357         Forward-port to trunk
3358         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3359
3360         PR middle-end/45678
3361         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3362         op0 isn't sufficiently aligned and there is movmisalignM
3363         insn for mode, use it to load op0 into a temporary register.
3364
3365 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3366
3367         PR target/51957
3368         * target.def (const_not_ok_for_debug_p): New hook.
3369         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3370         documentation.
3371         * doc/tm.texi: Regenerated.
3372         * dwarf2out.c (const_ok_for_output_1): If
3373         targetm.const_not_ok_for_debug_p returns true, fail.
3374         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3375         function.
3376         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3377
3378 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3379
3380         PR target/51900
3381         * config/i386/predicates.md (symbolic_operand): Allow
3382         UNSPEC_PCREL as PIC expression for lea.
3383         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3384         * config/i386/i386.c (ix86_delegitimize_address): Handle
3385         UNSPEC_PCREL for none-MEM, too.
3386
3387 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3388
3389         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3390         (ipa_tm_create_version_alias): Same.
3391
3392 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3393
3394         PR libitm/51830
3395         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3396         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3397
3398 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3399             Patrick Marlier  <patrick.marlier@gmail.com>
3400             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3401
3402         PR lto/51916
3403         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3404         simple_object_start_read.
3405
3406 2012-01-23  Richard Guenther  <rguenther@suse.de>
3407
3408
3409         PR tree-optimization/51895
3410         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3411         parameter decomposition into BLKmode components.
3412
3413 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3414
3415         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3416         fake variables for restrict-qualified pointers whose pointed-to type
3417         contains a placeholder.
3418
3419 2012-01-23  Richard Guenther  <rguenther@suse.de>
3420
3421         PR tree-optimization/51949
3422         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3423
3424 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3425
3426         PR rtl-optimization/51933
3427         * ree.c (transform_ifelse): Return true right away if dstreg is
3428         already wider or equal to cand->mode.
3429         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3430         (make_defs_and_copies_lists): Remove defs_list and copies_list
3431         arguments, add state argument, just truncate state->work_list
3432         instead of always allocating and freeing the vector.  Assert that
3433         get_defs succeeds instead of returning 2.  Changed return type to bool.
3434         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3435         have ext_src_mode, see if it has been modified already with the
3436         right kind of extension and has been extended before from the
3437         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3438         just return true.  Remember the original mode in state->modified array.
3439         (combine_reaching_defs): Add state argument.  Don't allocate and
3440         free here def_list, copied_list and vec vectors, instead just
3441         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3442         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3443         Add state variable, clear vectors in it, initialize state.modified
3444         if needed.  Free all the vectors at the end and state.modified too.
3445         Don't skip a candidate if the extension expression has been modified.
3446
3447 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3448
3449         PR target/47096
3450         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3451          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3452         (extra_options) interix.opt -> i386/interix.opt"
3453         (extra_objs):Add winnt-stubs.o
3454         * configure.ac: Add interix to target_os .comm on PE check.
3455         * configure: Regenerate.
3456         * config/interix3.h: Delete and move bits to..
3457         * config/interix.h: Delete and move bits to..
3458         * config/i386/i386-interix3.h: Delete and move bits to..
3459         * config/i386/i386-interix.h: ..here.
3460         (TARGET_CPU_DEFAULT): Remove redefinition.
3461         (TARGET_ASM_CONSTRUCTOR): Undefine.
3462         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3463         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3464         (PTRDIFF_TYPE): Define.
3465         (LONG_DOUBLE_TYPE_SIZE): Define.
3466         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3467         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3468         (TARGET_SECTION_TYPE_FLAGS): Define.
3469         (ASM_DECLARE_FUNCTION_NAME): Define.
3470         (ASM_OUTPUT_EXTERNAL): Define.
3471         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3472         (ASM_OUTPUT_ALIGNED_BSS): Define.
3473         (PCC_BITFIELD_TYPE_MATTERS): Define.
3474         (USE_CONST_SECTION): Define.
3475         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3476         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3477         (SUPPORTS_ONE_ONLY): Remove.
3478         (I386_PE_STRIP_ENCODING): Define.
3479         * config/interix.opt: Delete and move bits to..
3480         * config/i386/interix.opt: ..here. New.
3481         (mpe-aligned-commons): Add.
3482         * config/i386/t-interix: Add copyright header.
3483         (winnt-stubs.o): Add rule.
3484
3485 2012-01-22  Jason Merrill  <jason@redhat.com>
3486
3487         PR c++/51832
3488         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3489         for extra name aliases.
3490
3491 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3492
3493         PR rtl-optimization/51924
3494         * ree.c (combine_set_extension): Improve debugging message.
3495         (combine_reaching_defs): Likewise.
3496         (get_defs): Rename confusingly named variable.
3497         (find_and_remove_re): Skip a candidate if the extension expression has
3498         been modified.
3499
3500 2012-01-21  Robert Millan  <rmh@gnu.org>
3501             Gerald Pfeifer  <gerald@pfeifer.com>
3502
3503         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3504         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3505
3506 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3507
3508         PR tree-optimization/51914
3509         * tree-vect-stmts.c (vectorizable_conversion): For
3510         cvt_type && modifier == WIDEN, put temporary with cvt_type
3511         at the beginning of vec_dsts and set vec_dest to temporary
3512         with vectype_out.
3513
3514 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3515
3516         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3517
3518 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3519
3520         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3521         * config/rs6000/rs6000.c: Likewise.
3522
3523 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3524
3525         PR target/51915
3526         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3527         output_move_double on a copy of operands array.
3528
3529 2012-01-20&nbs