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1 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
2
3         Backport from mainline
4         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
5
6         PR rtl-optimization/52528
7         * combine.c (can_combine_p): Add setting of subst_low_luid
8         before call to expand_field_assignment().
9
10 2012-05-26  Martin Jambor  <mjambor@suse.cz>
11
12         Backport from mainline
13         2012-05-23  Martin Jambor  <mjambor@suse.cz>
14
15         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
16
17 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
18
19         PR lto/52178
20         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
21         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
22
23 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
24
25         PR target/53435
26         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
27         (ix86_expand_vec_perm): Use int mode instead of float.
28
29 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
30
31         PR ada/52362
32         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
33         gnu_ld variables to yes.
34         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
35         (HAVE_GNU_AS): Likewise.
36         * config.in: Regenerate.
37         * configure: Likewise.
38
39 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
40
41         Backport from mainline
42         2012-03-12  Richard Guenther  <rguenther@suse.de>
43         * config/arm/arm.c (neon_dereference_pointer): Do not call
44         covert during RTL expansion.
45
46 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
47
48         Backport from mainline
49         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
50
51         PR target/53385
52         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
53         relied on signed overflow behavior.
54
55 2012-05-24  Richard Guenther  <rguenther@suse.de>
56
57         PR middle-end/53460
58         * tree-profile.c (tree_profiling): Cleanup the CFG if
59         execute_fixup_cfg requests it.
60
61 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
62
63         PR tree-optimization/53465
64         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
65         vr0 into *vr, then vrp_meet that.
66         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
67         have any equivalences.
68         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
69         first time.
70
71 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
72
73         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
74         size handling.
75         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
76         (iterative_hash_gimple_type): Adjust comment.
77         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
78         domain for an array type instead of the domain type itself.
79
80 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
81
82         Backport from 2012-05-23 mainline r187803
83
84         PR target/53448
85         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
86         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
87         ASM_OUTPUT_ALIGN.
88
89 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
90
91         Backport from 2012-05-03 mainline r187075
92
93         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
94         has_fma4 for AMD processors with both fma3 and fma4 support.
95
96 2012-05-22  Richard Guenther  <rguenther@suse.de>
97
98         PR tree-optimization/53408
99         * tree-vect-loop.c (vectorizable_induction): Properly check
100         the restriction that we cannot handle induction results from
101         the inner loop outside of the outer loop.
102
103 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
104
105         PR tree-optimization/53436
106         * omp-low.c (omp_build_component_ref): New function.
107         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
108
109         PR tree-optimization/53366
110         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
111         tests if complex_numbers == 2, but there are non-complex number loads
112         too.
113
114         PR tree-optimization/53409
115         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
116         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
117
118         PR tree-optimization/53410
119         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
120         instead of build_int_cst (type, 0) where vector types might be
121         involved.
122
123 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
124
125         PR c/53418
126         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
127         from folded operands before wrapping another around the
128         conditional expression.
129
130 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
131             Patrick Marlier  <patrick.marlier@gmail.com>
132
133         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
134         indirect calls.
135
136 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
137
138         Backport from mainline
139         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
140
141         PR target/53416
142         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
143         (UNSPECV_RDRAND): This.
144         (rdrand<mode>_1): Updated.
145
146 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
147
148         Backport from mainline
149         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
150
151         * config/i386/driver-i386.c (host_detect_local_cpu): Support
152         RDRND, F16C and FSGSBASE.
153
154 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
155
156         Backport from mainline
157         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
158
159         * tree-ssa-pre.c (can_value_number_call): Delete.
160         (compute_avail): Skip all statements with side effects.
161         <GIMPLE_CALL>: Skip calls to internal functions.
162
163 2012-05-18  David S. Miller  <davem@davemloft.net>
164
165         Backport r185385 from mainline
166         2012-03-14  Richard Guenther  <rguenther@suse.de>
167
168         PR middle-end/52584
169         * tree-vect-generic.c (type_for_widest_vector_mode): Take
170         element type instead of mode, use build_vector_type_for_mode
171         instead of the langhook, build a vector of proper signedness.
172         (expand_vector_operations_1): Adjust.
173
174 2012-05-18  Olivier Hainque  <hainque@adacore.com>
175
176         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
177         $(libsubdir) as libexecsubdir.
178
179 2012-05-16  Andrew Pinski  <apinski@cavium.com>
180
181         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
182         GIMPLE_ASSIGN.
183
184 2012-05-16  David S. Miller  <davem@davemloft.net>
185
186         * jump.c (delete_related_insns): If we remove a CALL, make sure
187         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
188
189 2012-05-16  Richard Henderson  <rth@redhat.com>
190
191         PR debug/52727
192         * combine-stack-adj.c (prev_active_insn_bb): New.
193         (next_active_insn_bb): New.
194         (force_move_args_size_note): New.
195         (combine_stack_adjustments_for_block): Use it.
196
197 2012-05-16  Olivier Hainque  <hainque@adacore.com>
198
199         * Makefile.in (install-no-fixedincludes): New target, former toplevel
200         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
201         Add comments and improve stamp preservation across the whole sequence.
202         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
203
204 2012-05-16  Richard Guenther  <rguenther@suse.de>
205
206         PR tree-optimization/53364
207         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
208         detect a view-conversion of the decl.
209
210 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
211
212         PR target/53358
213         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
214         that operands[2] is either immediate, or q_regs_operand.
215
216 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
217
218         Backport r187139 from mainline.
219         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
220
221         PR rtl-optimization/52804
222         * reload1.c (reload_reg_reaches_end_p): Check whether successor
223         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
224         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
225         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
226         RELOAD_FOR_OUTADDR_ADDRESS.
227
228 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
229
230         PR target/46098
231         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
232         generate target register for "load" class builtins.
233
234         Revert:
235         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
236
237         PR target/46098
238         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
239         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
240         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
241         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
242         (<sse>_movu<ssemodesuffix>): New expander.
243         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
244         (avx_movdqu<avxmodesuffix>): New expander.
245         (*sse2_movdqu): Rename from sse2_movdqu.
246         (sse2_movdqu): New expander.
247
248 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
249
250         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
251         lineno 1 the same as lineno 0 before first start file directive.
252         (optimize_macinfo_range): Likewise.
253
254         * dwarf2out.c (have_macinfo): Define.
255         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
256         attribute, don't force empty compilation unit and don't emit any
257         .debug_macinfo/.debug_macro section if macinfo_table is empty.
258
259 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
260
261         Backport from mainline
262         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
263
264         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
265         ORDERED and UNORDERED conditions.
266
267 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
268
269         * function.c (requires_stack_frame_p): If the function can throw
270         non-call exceptions, return true if the insn can throw internally.
271
272 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
273
274         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
275         DECL_ORIGINAL_TYPE if it is present.
276
277 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
278
279         Backport from 2012-05-12 mainline r187342.
280
281         PR target/53256
282         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
283         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
284         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
285         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
286         (expand_prologue): Move initialization of cfun->machine->is_naked,
287         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
288         (avr_set_current_function): ...this new static function.
289         (TARGET_SET_CURRENT_FUNCTION): New define.
290         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
291         checking attributes of current_function_decl.
292         (avr_regs_to_save): Ditto.
293         (signal_function_p): Rename to avr_signal_function_p.
294         (interrupt_function_p): Rename to avr_interrupt_function_p.
295
296         * doc/extend.texi (Function Attributes): Better explanation of
297         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
298         alphabetical order.
299
300 2012-05-09  Matthias Klose  <doko@ubuntu.com>
301
302         * gcc-ar.c (main): Don't check for execute bits for the plugin.
303
304 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
305
306         PR target/53272
307         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
308         when a constant source operand matches an "I" constraint, the "no
309         CC0 change" applies to a register-destination only, not a
310         strict_low_part-destination.
311
312 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
313
314         Backport from mainline:
315         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
316
317         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
318
319 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
320
321         PR tree-optimization/53239
322         * tree-vrp.c (get_value_range): Set VR of
323         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
324         to nonnull.
325
326 2012-05-07  Richard Guenther  <rguenther@suse.de>
327
328         PR tree-optimization/53195
329         * tree-inline.c (setup_one_parameter): Properly add referenced
330         vars from the parameters new known value.
331
332 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
333
334         Backport from mainline:
335         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
336
337         PR target/52999
338         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
339         in constant pool.
340
341 2012-05-04  Ian Lance Taylor  <iant@google.com>
342
343         * tree-vect-patterns.c (vect_single_imm_use): Correct return
344         values from false to NULL.
345
346 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
347
348         Backport from mainline
349         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
350
351         PR target/53228
352         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
353         (TARGET_CMOV): Rename from TARGET_CMOVE.
354         (TARGET_CMOVE): New define.
355         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
356         Do not set TARGET_CMOVE here.
357
358 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
359
360         Backport from mainline:
361
362         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
363
364         PR tree-optimization/52633
365         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
366         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
367         (vect_recog_over_widening_pattern): Remove handling of code that was
368         already detected as over-widening pattern.  Remove special handling
369         of "unsigned" cases.  Instead, support general case of conversion
370         of the shift result to another type.
371
372         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
373
374         * tree-vect-patterns.c (vect_single_imm_use): New function.
375         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
376         (vect_recog_over_widening_pattern): Likewise.
377         (vect_recog_widen_shift_pattern): Likewise.
378
379         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
380
381         PR tree-optimization/52870
382         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
383         presumed pattern statement is within the same loop or basic block.
384
385 2012-05-04  Richard Guenther  <rguenther@suse.de>
386
387         * common.opt (flto-report): Do not mark as Optimization.
388
389 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
390
391         PR target/48496
392         * recog.c (constrain_operands): If extra constraints are present, also
393         accept pseudo-registers with equivalent memory locations during reload.
394
395 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
396
397         Backport from the mainline
398         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
399
400         PR target/53199
401         * config/rs6000/rs6000.md (bswapdi splitters): If
402         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
403         default) is used, generate an alternate sequence that does not
404         depend on using indexed addressing.
405
406 2012-05-03  David S. Miller  <davem@davemloft.net>
407
408         PR target/52684
409         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
410         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
411         (sparc_emit_float_lib_cmp): Likewise.
412
413 2012-05-04  Martin Jambor  <mjambor@suse.cz>
414
415         Backport from mainline
416         2012-05-02  Martin Jambor  <mjambor@suse.cz>
417
418         PR lto/52605
419         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
420         of a variable when the contect is a function.
421
422 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
423
424         PR plugins/53126
425         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
426         append program name to it and pass that as first argument
427         to make_relative_prefix.  Always pass standard_libexec_prefix
428         as last argument to make_relative_prefix.  If
429         make_relative_prefix returns NULL, fall back to
430         standard_libexec_prefix.
431
432         PR debug/53174
433         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
434         removed.
435
436         PR target/53187
437         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
438         mode, return that mode.
439
440 2012-05-03  Richard Guenther  <rguenther@suse.de>
441
442         PR tree-optimization/53144
443         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
444         Rename to ...
445         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
446         with SSA name values.
447         (vn_reference_lookup_3): Adjust callers.
448
449 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
450
451         PR tree-optimization/53163
452         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
453         return value from compute_all_dependences.
454
455         PR rtl-optimization/53160
456         * ree.c (combine_reaching_defs): Handle the case where cand->insn
457         has been modified by ree pass already.
458
459 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
460
461         Backport from mainline
462         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
463
464         PR middle-end/53136
465         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
466         calls to cgraph_node_name in xstrdup.
467         (ipa_make_edge_direct_to_target): Ditto.
468         * tree-sra.c (convert_callers_for_node): Ditto.
469         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
470         * ipa-cp.c (perhaps_add_new_callers): Ditto.
471         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
472         (cgraph_materialize_all_clones): Ditto.
473         * ipa-inline.c (report_inline_failed_reason): Ditto.
474         (want_early_inline_function_p): Ditto.
475         (edge_badness): Ditto.
476         (update_edge_key): Ditto.
477         (flatten_function): Ditto.
478         (ipa_inline): Ditto.
479         (inline_always_inline_functions): Ditto.
480         (early_inline_small_functions): Ditto.
481
482 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
483
484         Backport from mainline
485         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
486
487         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
488         Introduce emul_name to select the right linker emulation for
489         powerpc64-*-freebsd*.
490         * configure: Regenerate.
491         * config.gcc: Add bits to support powerpc64-*-freebsd*.
492         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
493         * config/rs6000/freebsd64.h: New file.
494         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
495         POWERPC_FREEBSD.
496         (rs6000_savres_strategy): Likewise.
497         (rs6000_savres_routine_name): Likewise.
498         (rs6000_elf_file_end): Likewise.
499         * config/rs6000/t-freebsd64: New file.
500         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
501         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
502
503 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
504
505         Backport from mainline
506         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
507
508         PR target/53138
509         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
510
511 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
512
513         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
514         predicate to discriminate types.
515
516 2012-04-27  Richard Guenther  <rguenther@suse.de>
517
518         PR c/51527
519         * convert.c (convert_to_integer): Avoid infinite recursion for
520         target-defined built-in types.
521
522 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
523
524         PR target/53120
525         * config/cris/cris.md ("*andhi_lowpart_v32")
526         ("*andqi_lowpart_v32"): Change first input-only operand from
527         a (match_operand ...) to (match_dup 0).  Drop alternatives with
528         const_int-matching constraints for redundancy.
529         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
530         three-operand alternative.
531
532 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
533
534         Backport from mainline
535         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
536
537         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
538         (*addsi_2_zext): Ditto.
539         (*add<mode>_3): Ditto.
540         (*addsi_3_zext): Ditto.
541         (*add<mode>_5): Ditto.
542
543 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
544
545         PR c/52880
546         * c-typeck.c (set_nonincremental_init,
547         set_nonincremental_init_from_string): Pass true instead of false
548         as IMPLICIT to add_pending_init.
549
550 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
551
552         Backport from 2012-04-24 mainline r186768.
553
554         PR target/53065
555         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
556
557 2012-04-24  Richard Guenther  <rguenther@suse.de>
558
559         PR tree-optimization/53085
560         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
561         stores.
562
563 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
564
565         PR middle-end/53084
566         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
567         of MEM_REF.
568         (output_addressed_constants): Likewise.
569
570         PR middle-end/52999
571         * varasm.c (get_section): Don't ICE for section conflicts with
572         built-in section kinds.
573
574 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
575
576         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
577
578 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
579
580         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
581
582 2012-04-23  Richard Guenther  <rguenther@suse.de>
583
584         PR c/53060
585         * c-typeck.c (build_binary_op): Fix typo.
586
587 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
588
589         PR tree-optimizations/52891
590         * tree-vect-patterns.c (adjust_bool_pattern): Use
591         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
592         but with non-standard precision.
593
594 2012-04-22  Ian Lance Taylor  <iant@google.com>
595
596         * godump.c (go_output_typedef): Dump size of structs.
597
598 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
599
600         Backport from mainline:
601
602         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
603         hints for 'A' operand types.
604
605 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
606
607         Backport from 2012-04-19 mainline r186588.
608
609         PR target/53033
610         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
611         the case *(X+const).
612
613 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
614
615         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
616
617 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
618
619         PR target/53020
620         * config/i386/sync.md (atomic_<code><mode>): Rename to
621         atomic_<logic><mode>.
622
623 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
624
625         Backport from mainline
626         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
627
628         PR target/52932
629         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
630         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
631         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
632         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
633         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
634         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
635         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
636         gen_avx2_permvarv8sf.
637
638 2012-04-16  Martin Jambor  <mjambor@suse.cz>
639
640         Backported from mainline
641
642         2012-04-13  Martin Jambor  <mjambor@suse.cz>
643         PR middle-end/52939
644
645         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
646         fold_ctor_reference returns a zero constant.
647
648 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
649
650         Backported from mainline
651         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
652
653         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
654         and __ILP32__ for x32.
655
656 2012-04-13  Tom de Vries  <tom@codesourcery.com>
657
658         Backport from mainline r186418.
659
660         2012-04-13  Tom de Vries  <tom@codesourcery.com>
661
662         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
663         parameters vuse and vuse_escaped.
664         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
665         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
666         vuse1 != vuse2.
667
668 2012-04-13  Richard Guenther  <rguenther@suse.de>
669
670         PR tree-optimization/52969
671         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
672         the condition for the COND_EXPR and handle predicate negation
673         by swapping the COND_EXPR arms.
674
675 2012-04-13  Richard Guenther  <rguenther@suse.de>
676
677         PR c/52862
678         * convert.c (convert_to_pointer): Remove special-casing of
679         zero.
680
681 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
682
683         Backport from mainline
684         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
685
686         PR target/52775
687         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
688         the list of options to enable the FCFID instruction.
689         (TARGET_EXTRA_BUILTINS): Adjust comment.
690
691 2012-04-12  Richard Guenther  <rguenther@suse.de>
692
693         PR tree-optimization/52943
694         * tree-chrec.h (chrec_is_positive): Remove.
695         * tree-scalar-evolution.c (chrec_is_positive): Move ...
696         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
697         Return false for a constant zero instead of negative.
698         (analyze_siv_subscript_cst_affine): Handle zero difference
699         in the initial condition explicitely.
700
701 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
702
703         PR middle-end/52894
704         * varasm.c (process_pending_assemble_externals): Set
705         pending_assemble_externals_processed true.
706         (assemble_external): Call assemble_external_real if the pending
707         assemble externals have been processed.
708
709 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
710
711         PR target/52717
712         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
713         the DECL generated for the special GOT helper.
714
715 2012-04-06  Walter Lee  <walt@tilera.com>
716
717         Backport from mainline
718         2012-03-07  Walter Lee  <walt@tilera.com>
719
720         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
721         REG_CFA_* notes for the stack pointer.
722         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
723         EH_RETURN_STACKADJ_RTX.
724         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
725         generate REG_CFA_* notes for the stack pointer.
726         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
727         by EH_RETURN_STACKADJ_RTX.
728
729 2012-04-06  Matt Turner  <mattst88@gmail.com>
730
731         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
732
733 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
734
735         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
736         of the destination isn't also a FP_REGS register.
737
738 2012-04-03  Richard Guenther  <rguenther@suse.de>
739
740         Backport from mainline
741         2012-03-02  Richard Guenther  <rguenther@suse.de>
742
743         PR tree-optimization/52406
744         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
745         (struct indices): Add unconstrained_base member.
746         (struct dr_alias): Remove unused vops member.
747         (DR_UNCONSTRAINED_BASE): New define.
748         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
749         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
750         be an artificial access that covers the whole indexed object,
751         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
752         plain decl base-objects to their MEM_REF variant.
753         (dr_may_alias_p): When the base-object of either data reference
754         has unknown size use only points-to information.
755         (compute_affine_dependence): Make dumps easier to read and
756         more verbose.
757         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
758         DR_REF when looking for packed references.
759         (vect_supportable_dr_alignment): Likewise.
760
761 2012-04-03  Richard Guenther  <rguenther@suse.de>
762
763         Backport from mainline
764         2012-03-15  Richard Guenther  <rguenther@suse.de>
765
766         PR middle-end/52580
767         * tree-data-ref.c (subscript_dependence_tester_1): Check
768         all dimensions for non-conflicting access functions.
769
770 2012-04-03  Richard Guenther  <rguenther@suse.de>
771
772         Backport from mainline
773         2012-03-06  Richard Guenther  <rguenther@suse.de>
774
775         PR middle-end/52493
776         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
777
778         2012-03-23  Richard Guenther  <rguenther@suse.de>
779
780         PR tree-optimization/52678
781         * tree-vectorizer.h (struct _stmt_vec_info): Add
782         loop_phi_evolution_part member.
783         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
784         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
785         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
786         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
787         Use the cached evolution part and the PHI nodes value from
788         the loop preheader edge instead of re-analyzing the evolution.
789
790         2012-03-26  Richard Guenther  <rguenther@suse.de>
791
792         PR tree-optimization/52701
793         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
794         compute and set the evolution part of PHI nodes.
795
796         2012-03-30  Richard Guenther  <rguenther@suse.de>
797
798         PR tree-optimization/52754
799         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
800         propagate arbitrary addresses into really plain dereferences.
801
802 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
803
804         PR tree-optimization/52835
805         * tree-data-ref.c (build_rdg): Return NULL if
806         compute_data_dependences_for_loop failed.
807
808 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
809
810         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
811         (stmt_can_make_abnormal_goto): Use it.
812         (is_ctrl_altering_stmt): Likewise.
813
814 2012-03-31  Martin Jambor  <mjambor@suse.cz>
815
816         Backported from mainline
817         2012-03-30  Martin Jambor  <mjambor@suse.cz>
818
819         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
820         is a builtin_stack_save in a dominating BB.
821
822 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
823
824         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
825         crossing 128bit lane boundary.
826
827 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
828
829         Backported from mainline
830         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
831
832         PR target/52698
833         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
834         New prototype.
835         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
836         * config/i386/i386.c: Include reload.h.
837         (ix86_legitimize_reload_address): New function.
838
839 2012-03-28  Martin Jambor  <mjambor@suse.cz>
840
841         Backported from mainline
842         2012-03-27  Martin Jambor  <mjambor@suse.cz>
843
844         PR middle-end/52693
845         * tree-sra.c (sra_modify_assign): Do not call
846         load_assign_lhs_subreplacements when working with an unscalarizable
847         region.
848
849 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
850
851         PR middle-end/52691
852         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
853         __builtin_va_start to __builtin_next_arg if the latter is
854         builtin_decl_explicit_p rather than when it is not.
855
856         PR middle-end/52750
857         * tree-vect-generic.c (vector_element): Perform multiplication
858         for pos in bitsizetype type instead of idx type.
859
860 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
861
862         Backport from 2012-03-28 mainline r185910.
863
864         PR target/52692
865         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
866         (avr_builtin_decl): New static function.
867         (struct avr_builtin_description, avr_bdesc): Move up.
868         Add GTY marker. Add field fndecl. Remove redundant field id.
869         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
870         (avr_expand_builtin): Code cleanup because .id is removed.
871
872 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
873
874         PR middle-end/51893
875         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
876         targets.
877
878 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
879
880         Backport from 2012-03-28 mainline r185907.
881
882         PR target/52737
883         * config.gcc (tm_file): Remove avr/multilib.h.
884
885         * doc/invoke.texi (AVR Options): Adjust
886         documentation of -mtiny-stack.
887
888         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
889         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
890         * config/avr/t-avr: Remove generation of multilib.h.
891         * config/avr/t-multilib: Regenerate.
892         * config/avr/multilib.h: Remove.
893         * config/avr/avr.opt (-msp8): New option.
894         (avr_sp8): New variable.
895         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
896         * config/avr/avr.h (AVR_HAVE_SPH): New define.
897         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
898         (avr_device_to_sp8): New prototype.
899         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
900         (DRIVER_SELF_SPECS): New define.
901         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
902         __AVR_SP8__, __AVR_HAVE_SPH__.
903         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
904         AVR_HAVE_8BIT_SP to decide if SP_H is present.
905         (avr_file_start): Ditto.
906
907 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
908
909         PR target/52736
910         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
911         instead of 8 in adjust_address.
912
913 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
914
915         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
916         of a unit before computing the offset in units.
917
918 2012-03-27  Richard Guenther  <rguenther@suse.de>
919
920         PR middle-end/52720
921         * fold-const.c (try_move_mult_to_index): Handle &x.array more
922         explicitely.
923
924 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
925
926         PR target/52610
927         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
928
929 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
930
931         PR middle-end/52640
932         * varasm.c: Include pointer-set.h.
933         (pending_assemble_externals_set): New pointer set.
934         (process_pending_assemble_externals): Destroy the pointer set.
935         (assemble_external): See if decl is in pending_assemble_externals_set,
936         and add it to pending_assemble_externals if necessary.
937         (init_varasm_once): Allocate pending_assemble_externals_set.
938
939 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
940
941         Backported from mainline
942         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
943
944         PR target/50310
945         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
946         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
947         (vector_ltgt<mode>): Likewise.
948         (vector_ordered<mode>): Likewise.
949         (vector_unordered<mode>): Likewise.
950         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
951
952 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
953
954         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
955         Make static.
956
957 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
958
959         Backported from mainline
960         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
961
962         PR target/48596
963         PR target/48806
964         * config/sh/sh.c (sh_register_move_cost): Increase cost between
965         GENERAL_REGS and FP_REGS for SImode.
966
967 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
968
969         PR middle-end/52547
970         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
971         on any new_local_var_chain vars declared during recursing on
972         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
973
974 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
975
976         Backport from 2012-03-22 mainline r185692.
977
978         PR target/52496
979         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
980         (unspecv): Add UNSPECV_MEMORY_BARRIER.
981         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
982         (delay_cycles_1, delay_cycles_2): Ditto.
983         (delay_cycles_3, delay_cycles_4): Ditto.
984         (nopv, *nopv): Ditto.
985         (sleep, *sleep): Ditto.
986         (wdr, *wdr): Ditto.
987
988         Backport from 2012-03-21 mainline r185605.
989
990         PR rtl-optimization/52543
991         PR target/52461
992         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
993         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
994         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
995         (avr_load_libgcc_p): Restrict to __flash loads.
996         (avr_out_lpm): Only handle 1-byte loads from __flash.
997         (avr_load_lpm): New function.
998         (avr_find_unused_d_reg): Remove.
999         (avr_out_lpm_no_lpmx): Remove.
1000         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1001         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1002         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1003         (load_<mode>, load_<mode>_clobber): New insns.
1004         (mov<mode>): For multi-byte move from non-generic
1005         16-bit address spaces: Expand to load_<mode> resp.
1006         load_<mode>_clobber.
1007         (load<mode>_libgcc): Remove expander.
1008         (split-lpmx): Remove split.
1009
1010         Backport from 2012-03-13 mainline r185329.
1011
1012         PR target/52488
1013         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1014         offset (size) to a value the insns can deal with.
1015         (expand_epilogue): Ditto.
1016
1017         Backport from 2012-03-12 mainline r185256.
1018
1019         PR target/52499
1020         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1021         type from reg_class_t to enum reg_class.
1022         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1023
1024         Backport from 2012-03-12 mainline r185253.
1025
1026         PR target/52148
1027         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1028         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1029         r184615 from 2012-02-28.
1030
1031         Backport from 2012-03-08 mainline r185105.
1032
1033         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1034         for constants in [-63,63].
1035
1036         Backport from 2012-03-08 mainline r185100.
1037
1038         PR target/52496
1039         * config/avr/avr.c (avr_mem_clobber): New static function.
1040         (avr_expand_delay_cycles): Add memory clobber operand to
1041         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1042         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1043         (enable_interrupt, disable_interrupt): New expander.
1044         (nopv, sleep, wdr): New expanders.
1045         (delay_cycles_1): Add memory clobber.
1046         (delay_cycles_2): Add memory clobber.
1047         (delay_cycles_3): Add memory clobber.
1048         (delay_cycles_4): Add memory clobber.
1049         (cli_sei): New insn from former "enable_interrupt",
1050         "disable_interrupt" with memory clobber.
1051         (*wdt): New insn from former "wdt" with memory clobber.
1052         (*nopv): Similar, but for "nopv".
1053         (*sleep): Similar, but for "sleep".
1054
1055         Backport from 2012-03-07 mainline r185043.
1056
1057         PR target/52484
1058         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1059
1060         Backport from 2012-03-07 mainline r185032.
1061
1062         PR target/52506
1063         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1064         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1065         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1066
1067         Backport from 2012-03-07 mainline r185031.
1068
1069         PR target/52505
1070         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1071         from RAM.
1072         * config/avr/avr.md (xload_8): Adjust insn length.
1073
1074         Backport from 2012-03-07 mainline r185030.
1075
1076         PR target/52461
1077         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1078         if RAMPZ affects reading from RAM.
1079
1080         Backport from 2012-03-05 mainline r184919.
1081
1082         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1083
1084 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1085
1086         Backport from mainline r185259.
1087
1088         PR other/52545
1089         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1090         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1091
1092 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1093
1094         Backported from mainline
1095         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR c/52577
1098         * c-parser.c (c_parser_postfix_expression)
1099         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1100
1101         * config/i386/smmintrin.h: Avoid /* within a comment.
1102         * config/i386/nmmintrin.h: Likewise.
1103
1104 2012-03-22  Richard Guenther  <rguenther@suse.de>
1105
1106         * BASE-VER: Set to 4.7.1.
1107         * DEV-PHASE: Set to prerelease.
1108
1109 2012-03-22  Release Manager
1110
1111         * GCC 4.7.0 released.
1112
1113 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1114
1115         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1116
1117 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1118             Andrew Pinski  <apinski@cavium.com>
1119
1120         PR middle-end/52592
1121         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1122         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1123         calls instead of __builtin_ir{int,ound}*.
1124
1125 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1126
1127         PR c++/52582
1128         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1129         if c_node is NULL.
1130
1131 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1132
1133         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1134         Refer to GCC 4.7 version of c99status.html.
1135
1136 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1137
1138         Backport from mainline
1139         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1140
1141         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1142         redefine to be NULL if the current bit-size is different from the
1143         configured bit-size.
1144
1145         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1146         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1147         set the default tuning.  Add asserts to make sure the cpu and tune
1148         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1149         test whether the index is set, instead of > 0.
1150         (rs6000_file_start): Do not reset the default cpu if the current
1151         bit-size is different from the configured bit-size.
1152
1153 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1154
1155         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1156         binutils reference.
1157         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1158         Update binutils references.
1159         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1160         Update binutils reference.
1161         Update Sun as/GNU ld caveat.
1162         Document binutils largefile requirement for LTO plugin.
1163         Remove reference to alternate libpthread.
1164
1165 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1166
1167         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1168         reference.
1169         (Specific, mips-sgi-irix6): Likewise.
1170
1171 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1172
1173         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1174         * configure: Regenerate.
1175
1176 2012-03-07  Richard Henderson  <rth@redhat.com>
1177
1178         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1179         * config/m68k/sync.md (atomic_test_and_set): Use it.
1180         (atomic_test_and_set_1): Likewise.
1181
1182 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1183
1184         PR target/51417
1185         * Makefile.in: Let install-gcc-ar depend on installdirs,
1186         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1187         Don't double canonicalize if cross-compiling.
1188
1189 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1190
1191         * trans-mem.c: New typedef for tm_region_p.
1192         Define vector types for tm_region_p.
1193         (tm_region_init): Replace region_worklist to a vector called
1194         bb_regions.
1195
1196 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1197
1198         PR middle-end/52463
1199         * trans-mem.c (tm_region_init): Use last_basic_block.
1200
1201 2012-03-05  Richard Henderson  <rth@redhat.com>
1202
1203         PR tree-opt/52242
1204         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1205         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1206         BIGGEST_ALIGNMENT is aligned.
1207
1208 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1209
1210         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1211
1212 2012-03-05  Richard Henderson  <rth@redhat.com>
1213
1214         PR target/52481
1215         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1216         instead of calling negqi2 directly.
1217
1218 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1219
1220         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1221         (INTMAX_TYPE): Use it.
1222         (UINTMAX_TYPE): Likewise.
1223         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1224         (irix6_c_common_override_options): Declare.
1225         (C_COMMON_OVERRIDE_OPTIONS): Define.
1226         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1227         * config/mips/irix6-c.c: New file.
1228         * config/mips/t-irix6 (irix6-c.o): New target.
1229         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1230         cxx_target_objs.
1231
1232 2012-03-02  Richard Henderson  <rth@redhat.com>
1233
1234         * optabs.c (expand_atomic_test_and_set): Honor
1235         atomic_test_and_set_trueval even when atomic_test_and_set
1236         optab is not in use.
1237
1238 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1239
1240         Backport from mainline
1241         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1242
1243         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1244
1245 2012-03-02  Richard Guenther  <rguenther@suse.de>
1246
1247         * DEV-PHASE: Set to prerelease.
1248
1249 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1250
1251         * config.gcc (obsolete): Add all ARM targets using the FPA.
1252         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1253         * doc/install.texi: Avoid references to obsolete ARM ports.
1254
1255 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1256
1257         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1258
1259 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1260             Joern Rennecke  <joern.rennecke@embecosm.com>
1261
1262         * doc/extend.texi: Expand and update information on interrupt
1263         attribute for Epiphany.
1264
1265 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1266
1267         * config/sh/sh-protos.h: Update copyright notice dates.
1268         * config/sh/sh.h: Likewise.
1269         * config/sh/sh.md: Likewise.
1270         * config/sh/constraints.md: Likewise.
1271         * config/sh/predicates.md: Likewise.
1272
1273 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1274
1275         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1276         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1277
1278 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1279
1280         * config/sh/constraints.md: Fix comment typo.
1281
1282 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1283
1284         PR target/52408
1285         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1286         unsigned HOST_WIDE_INT.
1287         (zvdep_imm64): Likewise.
1288         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1289         (vdepi_and): Likewise.
1290         Likewise for unamed 64-bit patterns.
1291         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1292
1293 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1294
1295         PR debug/52001
1296         PR rtl-optimization/52417
1297         * cselib.c (cselib_any_perm_equivs): New variable.
1298         (cselib_reset_table): Check that it's not set when not
1299         preserving constants.
1300         (cselib_add_permanent_equiv): Set it.
1301         (cselib_have_permanent_equivalences): New.
1302         (cselib_init, cselib_finish): Reset it.
1303         * cselib.h (cselib_have_permanent_equivalences): Declare.
1304         * alias.c (get_addr): Restore earlier behavior when there
1305         aren't permanent equivalences.
1306
1307 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1308
1309         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1310         * config/v850/v850-modes.def: Fix copyright notice.
1311
1312 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1313
1314         * doc/extend.texi (AVR Built-in Functions): Document
1315         __builtin_avr_flash_segment.
1316
1317         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1318         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1319         (*split.flash_segment): New insn-and-split.
1320         * config/avr/avr.c (avr_init_builtins): Add local variables:
1321         const_memx_void_node, const_memx_ptr_type_node,
1322         char_ftype_const_memx_ptr.
1323
1324 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1325
1326         PR tree-optimization/52445
1327         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1328         add ssa_name_ver, offset and size fields and change store field
1329         to bool.
1330         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1331         (add_or_mark_expr): Likewise.  Only consider previous stores
1332         with the same size and offset.
1333         (nt_init_block): Only look at gimple_assign_single_p stmts,
1334         doesn't look at rhs2.
1335
1336 2012-03-01  Richard Guenther  <rguenther@suse.de>
1337
1338         PR middle-end/52443
1339         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1340         conversions from integral types to pointer types.
1341
1342 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1343
1344         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1345         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1346         unintentionally removed in r184616.
1347
1348 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1349
1350         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1351         3DNow from bdver1.
1352
1353 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1354             Uros Bizjak  <ubizjak@gmail.com>
1355
1356         PR target/52437
1357         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1358         alternatives, add "e" constraint to the new last alternative
1359         and ! to last 3 alternatives.
1360
1361 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1362
1363         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1364         DW_AT_artificial attributes at the end of the processing.
1365         (gen_array_type_die): Likewise.
1366         (gen_enumeration_type_die): Likewise.
1367         (gen_struct_or_union_type_die): Likewise.
1368         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1369         the parent type.
1370
1371 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1372
1373         PR middle-end/52419
1374         * expr.c (expand_assignment): If doing misaligned store that doesn't
1375         cover all mode bits, perform a RMW cycle.
1376
1377         PR tree-optimization/52429
1378         * tree-parloops.c (separate_decls_in_region_debug): Return early
1379         if var is LABEL_DECL.
1380
1381 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1382
1383         PR tree-optimization/52424
1384         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1385         calling dom_thread_across_edge.
1386
1387 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1388
1389         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1390
1391 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1392
1393         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1394         * config/avr/avr.c (avr_output_bld): Remove unused function.
1395         (avr_out_sbxx_branch): Use "%T" to print bit position.
1396
1397 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1398
1399         * config/avr/avr.md: Untabify.
1400
1401 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1402
1403         * config/avr/avr.md (eqne): New code iterator.
1404         (*dec-and-branchsi): Use it in text peephole's condition.
1405         (*dec-and-branchhi): Ditto.
1406         (*dec-and-branchqi): Ditto.
1407
1408 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1409
1410         PR target/49939
1411         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1412         the device does not have the skip-bug.
1413
1414 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1415
1416         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1417         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1418         -mpretend-cmove): New.
1419
1420 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1421
1422         PR bootstrap/52397
1423         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1424         doesn't count DEBUG_INSN refs.
1425         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1426         for DEBUG_INSN refs.
1427
1428 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1429
1430         Partially revert:
1431
1432         2012-02-20  Richard Guenther  <rguenther@suse.de>
1433         PR tree-optimization/52298
1434         * tree-vect-stmts.c (vectorizable_load): Properly use
1435         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1436         outer loops.
1437
1438 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1439
1440         PR middle-end/51752
1441         * gimple.h (gimple_in_transaction): New.
1442         (gimple_set_in_transaction): New.
1443         (struct gimple_statement_base): Add in_transaction field.
1444         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1445         transaction loads.
1446         (tree_ssa_lim_initialize): Compute transaction bits.
1447         * tree.h (compute_transaction_bits): Protoize.
1448         * trans-mem.c (tm_region_init): Use the heap to store BB
1449         auxilliary data.
1450         (compute_transaction_bits): New.
1451
1452 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1453
1454         * gcc.c (display_help): Document --help=common and sort entries
1455         alphabetically.
1456
1457 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1458
1459         * doc/install.texi: Document check-$LANG specific shortcuts
1460
1461 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1462
1463         PR target/51534
1464         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1465         and vcgtu.
1466         * config/arm/arm_neon.h: Regenerate.
1467         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1468         (neon_vcgeu): New insn.
1469         (neon_vcgtu): Likewise.
1470         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1471         (ops): Unsigned comparison intrinsics call a different
1472         builtin.
1473
1474 2012-02-28  Richard Guenther  <rguenther@suse.de>
1475
1476         PR target/52407
1477         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1478         ordering for the VEC_CONCAT for two element vectors for
1479         V2SFmode, V2SImode and V2DImode.
1480
1481 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1482
1483         PR target/49448
1484         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1485         detecting big-endian triplets.
1486
1487 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1488
1489         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1490         mode if there is no type information available.
1491
1492 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1493
1494         PR tree-optimization/53207
1495         * doc/invoke.texi: Document as experimental and relying on graphite.
1496
1497 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1498
1499         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1500         of initializer to changes from r184614.
1501
1502 2012-02-28  Richard Guenther  <rguenther@suse.de>
1503
1504         PR tree-optimization/52395
1505         * tree-sra.c (build_ref_for_offset): Also look at the base
1506         TYPE_ALIGN when figuring out the alignment of the replacement.
1507
1508 2012-02-28  Richard Guenther  <rguenther@suse.de>
1509
1510         PR tree-optimization/52402
1511         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1512         mis-aligned types when creating the accesses at the call site.
1513
1514 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1515
1516         * config/avr/builtins.def: New file.
1517         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1518         * config/avr/avr.c (enum avr_builtin_id): Use it.
1519         (avr_init_builtins): Use it. And use avr_bdesc.
1520         (bdesc_1arg): Remove.
1521         (bdesc_2arg): Remove.
1522         (bdesc_3arg): Remove.
1523         (struct avr_builtin_description): Add field n_args.
1524         (avr_bdesc): New static variable using builtins.def.
1525         (avr_expand_builtin): Use it.
1526         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1527         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1528         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1529
1530 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1531
1532         PR target/52148
1533         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1534         match only one single hard register with respective hard reg rtx.
1535         (movmemx_<mode>): Ditto.
1536         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1537         insn anatomy of movmem[x]_<mode>.
1538         (avr_out_movmem): Same for printing assembler and operand usage.
1539
1540 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1541
1542         PR target/49868
1543         PR target/52261
1544         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1545         address spaces located outside of device flash.
1546
1547         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1548         (mcu_type_s): Add field n_flash.
1549         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1550         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1551         (AVR_MCU): Add N_FLASH argument.
1552         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1553         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1554         macro __FLASH<n> if that address space makes sense for the device.
1555         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1556         outside of target flash.
1557         (avr_asm_named_section): Ditto.
1558         (avr_asm_select_section): Ditto.
1559         (avr_addr_space_convert): Ditto.
1560         (avr_emit_movmemhi): Ditto.
1561         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1562         address space is outside of device flash.
1563         (avr_insert_attributes): Ditto.
1564         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1565         avr_current_arch->n_segments.
1566
1567 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1568
1569         PR target/52352
1570         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1571         TARGET_LP64.
1572         (*movabs<mode>_2): Likewise.
1573
1574 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR target/52375
1577         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1578         s_register_operand in the test instead of REG_P.  Don't call
1579         gen_reg_rtx if it won't be used.
1580
1581         PR tree-optimization/52376
1582         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1583
1584 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1585
1586         * ifcvt.c (noce_get_condition): Check condition variable is not
1587         small_register_classes_for_mode_p before accepting.
1588
1589 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1590
1591         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1592
1593 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1594
1595         Revert:
1596         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1597         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1598         tuning parameters.
1599         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1600
1601 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1602
1603         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1604
1605 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1606
1607         * config/sh/predicates.md: Remove blank lines.
1608         * config/sh/sh.c: Fix typos in comments.
1609         * config/sh/constraints.md: Likewise.
1610         * config/sh/sh.md: Remove blank lines.
1611         Fix typos in comments.  Use ;; as comment characters.
1612
1613 2012-02-26  Walter Lee  <walt@tilera.com>
1614
1615         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1616         (replace_mov_pcrel_step2): Ditto.
1617
1618 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1619
1620         PR debug/52001
1621         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1622         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1623         and locs that reference values newer than the non-canonical value
1624         at hand.  Return the canonical value as a worst case.
1625         (memrefs_conflict_p): Walk canonical value's locs.
1626
1627         PR debug/52001
1628         * cselib.c (preserve_only_constants): Rename to...
1629         (preserve_constants_and_equivs): ... this.  Split out...
1630         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1631         of other preserved expressions too.
1632         (cselib_reset_table): Adjust.
1633         * var-tracking.c (reverse_op): Use canonical value to build
1634         reverse operation.
1635
1636 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1637
1638         * config/i386/i386.c (ix86_delegitimize_address): Handle
1639         UNSPEC_PCREL plus displacement.
1640
1641 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1642
1643         PR target/52261
1644         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1645         to test for unusedness in st X addressing.
1646
1647 2012-02-24  Richard Guenther  <rguenther@suse.de>
1648
1649         PR middle-end/52361
1650         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1651         (is_gimple_reg_type): Move inline ...
1652         * gimple.h (is_gimple_reg_type): ... here.
1653
1654 2012-02-24  Richard Guenther  <rguenther@suse.de>
1655
1656         PR middle-end/52361
1657         * passes.c (execute_function_todo): When verifying SSA form
1658         verify gimple form first.
1659         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1660
1661 2012-02-24  Richard Guenther  <rguenther@suse.de>
1662
1663         PR middle-end/52355
1664         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1665         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1666
1667 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1668
1669         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1670
1671 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1672
1673         * tree-phinodes.c (make_phi_node): Mark static.
1674         * tree-flow.h (make_phi_node): Remove extern decl.
1675         * doc/gimple.texi (make_phi_node): Remove documentation.
1676
1677 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1678
1679         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1680         * tree-ssa-sccvn.c (print_scc): Ditto.
1681
1682 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1683
1684         * doc/passes.texi (Full redundancy elimination): Fix typo.
1685
1686 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1687
1688         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1689
1690 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1691
1692         PR bootstrap/52287
1693         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1694
1695 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1696
1697         PR c/52290
1698         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1699
1700 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1701
1702         * config/avr/avr.md (code_stdname): Add ior, xor.
1703         (xior): New code iterator.
1704         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1705         (*<code_stdname><mode>qi.byte1-3): Ditto.
1706
1707 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1708
1709         PR tree-optimization/52019
1710         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1711         CLOBBER stmts.
1712
1713 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1714
1715         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1716         HAVE_INITFINI_ARRAY to work around namespace pollution in
1717         certain versions of newlib system headers.
1718         * config.in: Regenerate.
1719         * configure: Regenerate.
1720         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1721         instead of HAVE_INITFINI_ARRAY.
1722
1723 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1724
1725         PR target/52330
1726         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1727         is not offsettable memory reference.
1728
1729 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1730
1731         PR target/18145
1732         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1733         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1734
1735 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1736
1737         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1738         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1739
1740 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1741
1742         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1743         library on Solaris 8 even without TLS support.
1744         * configure: Regenerate.
1745
1746 2012-02-22  Richard Guenther  <rguenther@suse.de>
1747
1748         PR middle-end/52329
1749         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1750         for GIMPLE_DEBUG stmts.
1751
1752 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1753
1754         PR middle-end/51782
1755         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1756         according to the base object.
1757
1758 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1759
1760         PR rtl-optimization/50063
1761         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1762         and 2 (8-bit SP) in operand 2.
1763         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1764         setup to use movhi_sp_r instead of vanilla move to write SP.
1765         Adjust REG_CFA notes to superseed unspec.
1766         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1767         of vanilla move.
1768         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1769         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1770         irq_state 1 (IRQ known to be on) here.
1771
1772 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1773
1774         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1775         WORDS_BIG_ENDIAN.
1776         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1777         assign_hard_reg): Likewise.
1778
1779 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1780
1781         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1782
1783 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1784
1785         * config/avr/avr.md
1786         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1787         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1788
1789 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1790
1791         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1792         prototype from here to...
1793         * config/avr/avr.h: ...here.
1794
1795 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1796
1797         PR target/52294
1798         * thumb2.md (thumb2_shiftsi3_short): Split register and
1799         immediate shifts.  For register shifts tie operands 0 and 1.
1800         (peephole2 for above): Check that register-controlled shifts
1801         have suitably tied operands.
1802
1803 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1804
1805         PR target/52137
1806         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1807         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1808         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1809         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1810         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1811         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1812         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1813         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1814         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1815         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1816         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1817         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1818         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1819         bdver1_ssevector_avx256_unaligned_load,
1820         bdver1_ssevector_sse128_unaligned_load,
1821         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1822         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1823         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1824         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1825         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1826         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1827         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1828         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1829         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1830         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1831         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1832         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1833         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1834         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1835         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1836         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1837         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1838         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1839         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1840         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1841         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1842         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1843         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1844         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1845         bdver1_ssediv_double_load, bdver1_ssediv_double,
1846         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1847         Add "bdver2" attribute.
1848
1849 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1850
1851         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1852         default if possible and not specified otherwise.
1853
1854 2012-02-21  Richard Guenther  <rguenther@suse.de>
1855
1856         PR middle-end/52314
1857         * gimplify.c (create_tmp_from_val): Use the main variant type
1858         for the type of the temporary we create.
1859
1860 2012-02-21  Richard Guenther  <rguenther@suse.de>
1861
1862         PR tree-optimization/52324
1863         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1864         do not gimplify a MEM_REF address operand if it is already
1865         in suitable form.
1866
1867 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1868
1869         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1870         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1871
1872 2012-02-21  Richard Guenther  <rguenther@suse.de>
1873
1874         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1875         nested_in_vect_loop.
1876
1877 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1878
1879         PR tree-optimization/52318
1880         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1881         vdef also to non-pure/const call stmts in the sequence.
1882
1883 2012-02-20  David S. Miller  <davem@davemloft.net>
1884
1885         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1886         don't use the "rd %pc" instruction on v9 for PIC register loads.
1887
1888 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1889
1890         PR middle-end/52141
1891         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1892         in a transaction safe function.
1893
1894 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1895
1896         PR target/52238
1897         * stor-layout.c (place_field): Handle desired_align for
1898         ms-bitfields, too.
1899
1900 2012-02-20  Richard Guenther  <rguenther@suse.de>
1901
1902         PR tree-optimization/52298
1903         * tree-vect-stmts.c (vectorizable_store): Properly use
1904         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1905         outer loops.
1906         (vectorizable_load): Likewise.
1907         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1908         Access DR_STEP after ensuring it is not NULL.
1909
1910 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1911
1912         PR tree-optimization/52286
1913         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1914         optimization use double_int_to_tree instead of build_int_cst_wide,
1915         rewrite to use double_int vars.
1916
1917 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1918
1919         PR target/50166
1920         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1921         Define _start.
1922         Remove -e 0 from $gcc_cv_ld invocation.
1923         Only use __GLIBC_PREREQ if defined.
1924         Enable on Solaris since Solaris 8 patch.
1925         (gcc_SUN_LD_VERSION): New macro.
1926         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1927         gcc_SUN_LD_VERSION for version number format.
1928         * configure: Regenerate.
1929         * varasm.c (get_elf_initfini_array_priority_section): Set
1930         SECTION_NOTYPE for non-default priority.
1931         Use get_section instead of get_unnamed_section to emit
1932         .init_array/.fini_array with default priority.
1933
1934 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1935
1936         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1937         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1938         (mips_start_unique_function, mips_output_mips16_rdhwr)
1939         (mips_code_end): New functions.
1940         (TARGET_ASM_CODE_END): Define.
1941
1942 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1943
1944         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1945         to stubs with non-sibling calls.
1946
1947 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1948
1949         * doc/invoke.texi (-fira-* options): Copy-edit.
1950         (ira-* parameters): Copy-edit.
1951
1952 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1953
1954         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1955         GCC coding conventions.
1956
1957 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1958
1959         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1960         when used as adjectives.
1961
1962 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1963
1964         * doc/invoke.texi: Clean up "that"/"which" confusion.
1965
1966 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1967
1968         * system.h: Poison SMALL_REGISTER_CLASSES
1969         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1970         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1971
1972 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1973
1974         PR tree-optimization/52285
1975         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1976         when deciding if a call is a tail call or tail recursion.
1977
1978 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1979
1980         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1981         interger-constant displacement for UNSPEC_PCREL.
1982
1983 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1984
1985         PR rtl-optimization/52208
1986         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1987         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1988
1989         PR tree-optimization/52255
1990         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1991         loop->header has virtual PHI, but exit_e->dest doesn't, add
1992         virtual PHI to exit_e->dest and adjust all uses after the loop.
1993
1994         PR debug/52260
1995         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1996         children with clone_tree_hash, not after it.
1997
1998 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1999
2000         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2001         extended identifiers.
2002
2003 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2004
2005         PR middle-end/51929
2006         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2007         a same_body_alias, also test whether e->callee isn't a former
2008         or current clone of the decl this is a same body alias of.
2009
2010         PR translation/52264
2011         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2012
2013 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2014
2015         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2016
2017 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2018
2019         PR target/52199
2020         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2021         force_reg instead of copy_to_reg for better optimization.  Force
2022         non-register or memory operands into a register.
2023
2024 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2025
2026         * extend.texi: Reserve upper bits of memory model for future use.
2027
2028 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2029             Anatoly Sokolov <aesok@post.ru>
2030             Eric Weddington <eric.weddington@atmel.com>
2031
2032         PR target/52261
2033         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2034         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2035         Rewrite initializers for .macro.
2036         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2037         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2038         atxmega32d4, atxmega32x1.
2039         avrxmega4: atxmega64a3, atxmega64d3.
2040         avrxmega5: atxmega64a1, atxmega64a1u.
2041         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2042         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2043         avrxmega7: atxmega128a1, atxmega128a1u.
2044         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2045         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2046         (struct base_arch_s): Rename reserved to xmega_p.
2047         Rename reserved2 to have_rampd.
2048         (AVR_XMEGA): New define.
2049         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2050         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2051         * config/avr/predicates.md (io_address_operand): Take into
2052         account SFR offset.
2053         (low_io_address_operand): Ditto.
2054         (high_io_address_operand): Ditto.
2055         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2056         (enabled, movhi_sp_r): Use them.
2057         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2058         cpp_define_formatted to built-in define __AVR_ARCH__.
2059         (__AVR_XMEGA__): New built-in define.
2060         (__AVR_HAVE_RAMPD__): New built-in define.
2061         (__AVR_HAVE_RAMPX__): New built-in define.
2062         (__AVR_HAVE_RAMPY__): New built-in define.
2063         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2064
2065         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2066         (avr_option_override): Initialize them.
2067         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2068         (avr_init_expanders): Initialize them. No more block several calls.
2069         (emit_push_sfr): New static function.
2070         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2071         Handle AVR_XMEGA.
2072         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2073         (avr_print_operand): Print addreeses as symbols for
2074         RAMPX, RAMPY, RAMPD, CCP.
2075         (output_movhi): Handle AVR_XMEGA when writing to SP.
2076         (avr_out_movhi_mr_r_xmega): New static function.
2077         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2078         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2079         __RAMPD__,  __CCP__ as needed.
2080
2081         * config/avr/multilib.h: Regenerate.
2082         * config/avr/t-multilib: Regenerate.
2083         * config/avr/avr-tables.opt: Regenerate.
2084
2085 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2086
2087         PR tree-optimization/50561
2088         * graphite-flattening.c (lst_project_loop): Do not
2089         remove old scattering dimensions after flattening.
2090         (lst_do_flatten): Likewise.
2091
2092 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2093
2094         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2095         __builtin_avr_map8, __builtin_avr_map16.
2096         Document __builtin_avr_insert_bits.
2097
2098         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2099         (insert_bits): New insn.
2100         (adjust_len.map_bits): Rename to insert_bits.
2101         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2102         * avr-protos.h (avr_out_map_bits): Remove.
2103         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2104         * config/avr/constraints.md (Cxf,C0f): New.
2105         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2106         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2107         New built-in define __BUILTIN_AVR_INSERT_BITS.
2108         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2109         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2110         (avr_move_bits): Rewrite.
2111         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2112         functions.
2113         (avr_map_op_t): New typedef.
2114         (avr_map_op): New static variable.
2115         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2116         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2117         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2118         (bdesc_3arg, avr_expand_triop_builtin): New.
2119         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2120         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2121         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2122         (avr_map_equal_p, avr_map_sig_p): Remove.
2123         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2124         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2125         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2126         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2127         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2128         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2129
2130 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2131
2132         * config/c6x/c6x.md (reserve_cycles): New attribute.
2133         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2134         don't reserve functional units after the branch occurs.
2135
2136 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2137
2138         PR middle-end/52142
2139         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2140         functions into non-tm_pure functions.
2141
2142 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2143
2144         PR lto/52178
2145         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2146         (iterative_hash_canonical_type): Likewise.
2147         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2148         the dead edges.
2149
2150 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2151
2152         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2153         sched-group insn, it either remains alone or the entire list is pruned.
2154
2155 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2156
2157         * doc/install.texi (Prerequisites): Fix grammar.
2158         (Configuration): Likewise.
2159
2160 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2161
2162         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2163         MPC as part of GCC before describing configuring with --with-gmp etc.
2164         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2165         sources are present.
2166
2167 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2168
2169         PR debug/51950
2170         * dwarf2out.c (clone_tree_hash): New function.
2171         (copy_decls_walk): Use it instead of clone_tree.
2172
2173 2012-02-14  Richard Guenther  <rguenther@suse.de>
2174
2175         PR tree-optimization/52244
2176         PR tree-optimization/51528
2177         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2178         replacements for integral types.
2179
2180 2012-02-14  Walter Lee  <walt@tilera.com>
2181
2182         * config.gcc: Handle tilegx and tilepro.
2183         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2184         tilegx and tilepro.
2185         Add HAVE_AS_TLS check for tilegx and tilepro.
2186         * configure: Regenerate.
2187         * doc/contrib.texi: Add Mat Hostetter and self.
2188         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2189         Document instruction intrinsics and network accessing intrinsics.
2190         (TILEPro Built-in Functions): New node.  Document instruction
2191         intrinsics and network accessing intrinsics.
2192         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2193         (Specific, tilepro-*-linux*): Likewise.
2194         * doc/invoke.texi (TILE-Gx Options): New section.
2195         (TILEPro Options): New section.
2196         * doc/md.texi (TILE-Gx): New section.
2197         (TILEPro): New section.
2198         * common/config/tilegx/tilegx-common.c: New file.
2199         * common/config/tilepro/tilepro-common.c: New file.
2200         * config/tilegx/constraints.md: New file.
2201         * config/tilegx/linux.h: New file.
2202         * config/tilegx/mul-tables.c: New file.
2203         * config/tilegx/predicates.md: New file.
2204         * config/tilegx/sync.md: New file.
2205         * config/tilegx/t-tilegx: New file.
2206         * config/tilegx/tilegx-builtins.h: New file.
2207         * config/tilegx/tilegx-c.c: New file.
2208         * config/tilegx/tilegx-generic.md: New file.
2209         * config/tilegx/tilegx-modes.def: New file.
2210         * config/tilegx/tilegx-multiply.h: New file.
2211         * config/tilegx/tilegx-protos.h: New file.
2212         * config/tilegx/tilegx.c: New file.
2213         * config/tilegx/tilegx.h: New file.
2214         * config/tilegx/tilegx.md: New file.
2215         * config/tilegx/tilegx.opt: New file.
2216         * config/tilepro/constraints.md: New file.
2217         * config/tilepro/gen-mul-tables.cc: New file.
2218         * config/tilepro/linux.h: New file.
2219         * config/tilepro/mul-tables.c: New file.
2220         * config/tilepro/predicates.md: New file.
2221         * config/tilepro/t-tilepro: New file.
2222         * config/tilepro/tilepro-builtins.h: New file.
2223         * config/tilepro/tilepro-c.c: New file.
2224         * config/tilepro/tilepro-generic.md: New file.
2225         * config/tilepro/tilepro-modes.def: New file.
2226         * config/tilepro/tilepro-multiply.h: New file.
2227         * config/tilepro/tilepro-protos.h: New file.
2228         * config/tilepro/tilepro.c: New file.
2229         * config/tilepro/tilepro.h: New file.
2230         * config/tilepro/tilepro.md: New file.
2231         * config/tilepro/tilepro.opt: New file.
2232
2233 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2234
2235         PR tree-optimization/52210
2236         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2237         vect_model_simple_cost with two entry vect_def_type array instead
2238         of an address of dt.
2239
2240 2012-02-14  Richard Guenther  <rguenther@suse.de>
2241
2242         PR lto/52178
2243         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2244         Do not stream DECL_QUALIFIER.
2245         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2246         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2247         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2248
2249 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2250
2251         PR c/52181
2252         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2253         newdecl.
2254
2255 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2256
2257         PR bootstrap/52172
2258         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2259         * cselib.c (cselib_subst_to_values_from_insn): New function.
2260         * sched-deps.c (add_insn_mem_dependence,
2261         sched_analyze_1, sched_analyze_2): Use it.
2262
2263 2012-02-13  Jan Hubicka  <jh@suse.cz>
2264
2265         PR middle-end/52214
2266         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2267
2268 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2269
2270         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2271         (GTM_SELF_SPECS): Define if not already defined.
2272         (driver_self_specs): Add GTM_SELF_SPECS.
2273         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2274         (GTM_SELF_SPECS): Define.
2275         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2276         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2277
2278 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2279
2280         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2281         away if seen.
2282
2283         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2284
2285         PR middle-end/52230
2286         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2287         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2288
2289 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2290
2291         PR c/52190
2292         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2293
2294 2012-02-13  Richard Guenther  <rguenther@suse.de>
2295
2296         PR translation/52211
2297         * passes.c (enable_disable_pass): Fix typo.
2298
2299 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2300
2301         PR middle-end/52209
2302         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2303         XOR for reduce_bit_field if type is unsigned.
2304
2305 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2306
2307         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2308         disallow changes from SFmode to mode with different size in FP regs.
2309
2310 2012-02-12  Robert Millan  <rmh@gnu.org>
2311             Gerald Pfeifer <gerald@pfeifer.com>
2312
2313         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2314         Tweak comment.
2315
2316 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2317
2318         PR rtl-optimization/52175
2319         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2320         to frame-related instructions.
2321
2322 2012-02-10  Jason Merrill  <jason@redhat.com>
2323
2324         PR c++/51910
2325         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2326         (demangle_new_symbols): Fill it.
2327         (scan_linker_output): Walk it.
2328         (start_tweaking): Split out from scan_linker_output.
2329         (maybe_tweak): Update sym->chosen.
2330         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2331
2332 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2333
2334         PR debug/52132
2335         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2336
2337 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2338
2339         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2340         having the same mode as previous compare.
2341
2342 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2343
2344         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2345         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2346         (nonlocal_goto_internal): Likewise.
2347         (nonlocal_goto): Emit a use and an indirect jump directly.
2348
2349 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2350
2351         PR c/52190
2352         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2353         __atomic_{is,always}_lock_free.
2354
2355 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2356
2357         PR target/52146
2358         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2359         negative constant address for x32.
2360
2361 2012-02-10  Richard Henderson  <rth@redhat.com>
2362
2363         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2364         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2365         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2366
2367 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2368             Ira Rosen  <irar@il.ibm.com>
2369
2370         PR tree-optimization/50031
2371         * targhooks.c (default_builtin_vectorization_cost): Handle
2372         vec_promote_demote.
2373         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2374         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2375         all types of reduction and pattern statements.
2376         (vect_estimate_min_profitable_iters): Likewise.
2377         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2378         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2379         for explicit realigns.
2380         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2381         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2382         vec_promote_demote.
2383         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2384         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2385         vec_perm for VSX and handle vec_promote_demote.
2386
2387 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2388
2389         PR middle-end/52177
2390         * builtins.c (fold_builtin_atomic_always_lock_free,
2391         expand_builtin_atomic_always_lock_free,
2392         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2393         Return and/or test boolean_true_node/boolean_false_node instead of
2394         integer_one_node/integer_zero_node.
2395
2396 2012-02-10  Jan Hubicka  <jh@suse.cz>
2397
2398         PR middle-end/48600
2399         * predict.c (predict_paths_for_bb): Prevent looping.
2400         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2401
2402 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2403
2404         * config/arm/arm.c (output_move_double): In one case properly
2405         count number of instructions that will be emitted.
2406
2407 2012-02-10  Richard Guenther  <rguenther@suse.de>
2408
2409         PR translation/52193
2410         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2411
2412 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2413
2414         PR middle-end/52140
2415         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2416
2417 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2418
2419         PR debug/52165
2420         * var-tracking.c (emit_note_insn_var_location): If
2421         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2422         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2423         non-NOTE_DURING_CALL_P insn.
2424
2425 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2426
2427         PR middle-end/51867
2428         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2429
2430 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2431
2432         PR driver/48524
2433         * gcc.c (switch_matches) Support switches with separated form,
2434         -D and -U.
2435
2436 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2437
2438         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2439         (SP_ADDR): Ditto.
2440         (RAMPZ_ADDR): Ditto.
2441         * config/avr/avr.c (avr_addr_t): New typedef.
2442         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2443         (avr_init_expanders): Initialize it.
2444         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2445         SREG_ADDR.
2446         (expand_epilogue): Ditto.
2447         (avr_print_operand): Ditto.
2448         (avr_file_start): Ditto.
2449         (avr_emit_movmemhi): Ditto.
2450
2451 2012-02-08  Richard Guenther  <rguenther@suse.de>
2452
2453         PR tree-optimization/46886
2454         * tree-flow.h (do_while_loop_p): Declare.
2455         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2456         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2457
2458 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2459
2460         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2461         always succeed for integers larger than a native word.
2462
2463 2012-02-08  Richard Guenther  <rguenther@suse.de>
2464
2465         PR rtl-optimization/52170
2466         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2467         properly handle integer vector modes.
2468
2469 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2470
2471         PR gcov-profile/52150
2472         * coverage.c: Include target.h.
2473         (build_var): Call targetm.strip_name_encoding on the assembler name.
2474         Change one _ into . or $ if the target allows it.
2475         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2476
2477         PR rtl-optimization/52139
2478         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2479         is a BARRIER after emit_insn_after_noloc, move BB_END
2480         to the last non-BARRIER insn before it.
2481
2482 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2483
2484         PR middle-end/24306
2485         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2486         (mips_gimplify_va_arg_expr): Call it instead of
2487         std_gimplify_va_arg_expr.
2488
2489 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2490
2491         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2492         message for -mno-pointers-to-nested-function.
2493
2494 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2495
2496         PR middle-end/51994
2497         * expr.c (get_inner_reference): If there is an offset, add a negative
2498         bit position to it (if any).
2499
2500 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR rtl-optimization/52060
2503         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2504         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2505         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2506         and/or i0src_copy2 when needed.
2507
2508 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2509
2510         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2511         or LTOPLUGINSONAME if have_c.
2512
2513         * config/freebsd-spec.h: Add comment about what macros can be defined
2514         in this header.
2515         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2516         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2517         here instead.
2518
2519 2012-02-07  Richard Guenther  <rguenther@suse.de>
2520
2521         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2522         newline in -alias dumps.
2523
2524 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2525             Dave Korn  <dave.korn.cygwin@gmail.com>
2526
2527         PR target/40068
2528         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2529         Take care that typinfo gets dllexport-attribute.
2530
2531 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2532
2533         PR middle-end/52074
2534         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2535         if modifier < EXPAND_SUM call force_operand on the result.
2536
2537 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2538
2539         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2540         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2541         present.
2542         (epiphany_function_type): Replace types for specific interrupts with
2543         EPIPHANY_FUNCTION_INTERRUPT.
2544         (EPIPHANY_INTERRUPT_P): Update.
2545         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2546         New static function.
2547         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2548         <disinterrupt>: Affects type identity.
2549         (epiphany_handle_interrupt_attribute): Handle variable number of
2550         arguments.
2551         (epiphany_compute_function_type): Update for new
2552         epiphany_function_type definition.
2553         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2554         handlers with a longcall forwarder.
2555         (epiphany_start_function): Handle multiple interrupt arguments and/or
2556         forwarder_section attribute.
2557
2558         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2559         libgloss.
2560
2561 2012-02-07  Alan Modra  <amodra@gmail.com>
2562
2563         PR target/52107
2564         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2565         subregs of TFmode.
2566
2567 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2568
2569         PR tree-optimization/50969
2570         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2571         use vec_perm rather than vector_stmt.
2572         (vect_model_load_cost): Likewise.
2573         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2574         vec_perm to be the same as other vector statements.
2575         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2576         cost of vec_perm for TARGET_VSX.
2577
2578 2012-02-06  Richard Guenther  <rguenther@suse.de>
2579
2580         PR tree-optimization/52115
2581         * tree-sra.c (access_has_replacements_p): New function.
2582         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2583
2584 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2585
2586         PR middle-end/52047
2587         * trans-mem.c (expand_call_tm): Add an assertion.
2588         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2589         functions.
2590
2591 2012-02-06  Richard Guenther  <rguenther@suse.de>
2592
2593         PR tree-optimization/50955
2594         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2595         raise cost of expressions that replace an address with an
2596         expression based on a different pointer.
2597
2598 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2599
2600         PR target/52129
2601         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2602         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2603
2604 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2605
2606         PR c++/48680
2607         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2608         -Weffc++ and specify guidelines come from second edition.
2609
2610 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2611
2612         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2613         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2614         (call_direct_split, call_value_split, call_value_internal_direct)
2615         (call_value_direct_split, call_value_multiple_split): Use jal and
2616         jal_macro attributes.
2617
2618 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2619
2620         * reload1.c (reload_regs_reach_end_p): Replace with...
2621         (reload_reg_rtx_reaches_end_p): ...this function.
2622         (new_spill_reg_store): Update commentary.
2623         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2624         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2625         before setting new_spill_reg_store.
2626         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2627         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2628         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2629         for non-spill reload registers.
2630
2631 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2632
2633         PR tree-optimization/52091
2634         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2635         (vect_is_simple_use_1): Likewise.
2636         * tree-vect-loop.c (vectorizable_reduction): Update calls
2637         to vect_is_simple_use_1 and vect_is_simple_use.
2638         (vectorizable_live_operation): Likewise.
2639         * tree-vect-patterns.c (widened_name_p,
2640         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2641         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2642         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2643         vectorizable_shift,vectorizable_operation, vectorizable_store,
2644         vectorizable_load): Likewise.
2645         (vect_is_simple_cond): Add an argument, pass it to
2646         vect_is_simple_use_1.
2647         (vectorizable_condition): Update calls to vect_is_simple_cond,
2648         vect_is_simple_use.
2649         (vect_is_simple_use): Add an argument, the statement in which
2650         OPERAND is used.  Check that if OPERAND's def stmt is a double
2651         reduction phi node, the use is a phi node too.
2652         (vect_is_simple_use_1): Add an argument, pass it to
2653         vect_is_simple_use.
2654         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2655         to vect_is_simple_use.
2656
2657 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2658
2659         PR rtl-optimization/52095
2660         * modulo-sched.c (dump_insn_locator): New function.
2661         (loop_canon_p, sms_schedule): Use it.
2662
2663         PR rtl-optimization/52113
2664         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2665         even for decomposable shift/zext insns.
2666
2667 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2668             Zdenek Dvorak  <ook@ucw.cz>
2669
2670         PR rtl-optimization/52092
2671         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2672         on get_iv_value result.
2673
2674 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2675
2676         PR middle-end/47982
2677         PR middle-end/43967
2678         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2679
2680 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2681
2682         PR middle-end/48071
2683         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2684
2685 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2686
2687         PR rtl-optimization/49800
2688         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2689         (sched_finish): Call regstat_free_n_sets_and_refs.
2690
2691 2012-02-02  Jia Liu  <proljc@gmail.com>
2692
2693         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2694         than operand 2.
2695
2696 2012-02-02  Jan Hubicka  <jh@suse.cz>
2697             Tom de Vries  <tom@codesourcery.com>
2698
2699         PR middle-end/51998
2700         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2701         * varpool.c (varpool_analyze_pending_decls): Likewise.
2702
2703 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2704             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2705
2706         * config.gcc: Add cr16-* support.
2707
2708         * doc/extend.texi: Document cr16 extensions.
2709         * doc/install.texi: Document cr16 install.
2710         * doc/invoke.texi: Document cr16 options.
2711         * doc/md.texi: Document cr16 constraints.
2712
2713         * common/config/cr16/cr16-common.c: New file.
2714         * config/cr16/cr16.c: New file.
2715         * config/cr16/cr16.h: New file.
2716         * config/cr16/cr16.md: New file.
2717         * config/cr16/cr16.opt: New file.
2718         * config/cr16/cr16-protos.h: New file.
2719         * config/cr16/predicates.md: New file.
2720         * config/cr16/constraints.md: New file.
2721         * config/cr16/t-cr16: New file.
2722
2723 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2724
2725         PR target/52086
2726         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2727         that operands[2] is either immediate, or q_regs_operand.
2728
2729         PR tree-optimization/52073
2730         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2731         a pattern stmt for pattern uses, ignore uses outside of the loop.
2732
2733 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2734
2735         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2736         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2737         (OUT_AS1, OUT_AS2): Remove.
2738
2739 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2740
2741         PR rtl-optimization/51374
2742         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2743         to cross other volatile_refs_p insns.
2744
2745 2012-02-01  Richard Guenther  <rguenther@suse.de>
2746
2747         * doc/invoke.texi (fno-inline): Clarify documentation.
2748         (finline-small-functions): Likewise.
2749         (finline-functions): Likewise.
2750         * common.opt (finline): Adjust comment and documentation.
2751         (finline-small-functions): Clarify documentation.
2752         (finline-functions): Likewise.
2753         (finline-functions-called-once): Likewise.
2754
2755 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2756
2757         * c-typeck.c (composite_type): Keep mode for pointers.
2758
2759 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2760
2761         * function.h (regno_reg_rtx): Adjust comment.
2762         * reginfo.c (init_reg_modes_target): Only use the previous mode
2763         if it fits within one register.  Remove MIPS comment.
2764
2765 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2766
2767         PR bootstrap/52058
2768         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2769
2770 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2771
2772         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2773         to srak instruction.
2774
2775 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2776
2777         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2778
2779 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2780
2781         PR bootstrap/52041
2782         PR bootstrap/52039
2783         PR target/51974
2784         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2785
2786 2012-01-31  Richard Guenther  <rguenther@suse.de>
2787
2788         PR tree-optimization/51528
2789         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2790         assigns.
2791
2792 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2793
2794         PR bootstrap/52041
2795         PR bootstrap/52039
2796         PR target/51974
2797         * ree.c (add_removable_extension): Change def_map argument
2798         to unsigned *, store in def_map 1 + offset into *insn_list vector
2799         instead of pointers into the vector.
2800         (find_removable_extensions): Adjust caller.
2801
2802 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2803
2804         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2805         Transform all "* quoted-c-code" to { c-code }.
2806         Remove redundant test for "optimize" in combine patterns.
2807         Move (include "avr-dimode.md") to end of file.
2808
2809 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2810
2811         PR target/51835
2812         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2813         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2814
2815 2012-01-30  Richard Guenther  <rguenther@suse.de>
2816
2817         PR tree-optimization/52028
2818         * tree-loop-distribution.c (ldist_gen): Properly update
2819         virtual SSA form.
2820
2821 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2822
2823         PR debug/52027
2824         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2825         set_cur_line_info_table if not emitting debug info.
2826
2827         PR tree-optimization/52046
2828         * tree-vect-patterns.c (check_bool_pattern): Give up if
2829         a comparison could throw.
2830
2831         PR debug/52048
2832         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2833
2834 2012-01-30  Richard Guenther  <rguenther@suse.de>
2835
2836         PR tree-optimization/52045
2837         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2838         SSA form if cfgcleanup did anything.
2839
2840 2012-01-30  Richard Guenther  <rguenther@suse.de>
2841
2842         PR tree-optimization/52045
2843         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2844         before computing final todo.
2845
2846 2012-01-30  Richard Guenther  <rguenther@suse.de>
2847
2848         PR tree-optimization/51528
2849         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2850         for PR51528 fix.
2851
2852 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2853
2854         * df-problems.c (df_kill_notes): Check that the use refers
2855         to the note under examination.
2856
2857 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2858
2859         PR target/51920
2860         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2861         parameter and use short-lived pseudos.
2862         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2863         (sparc_expand_vector_init): Const-ify local variables and adjust
2864         calls to above functions.
2865
2866 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2867
2868         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2869
2870 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2871
2872         * doc/invoke.texi: Make usage of "compile time" and
2873         "run time"/"runtime" consistent throughout the file.
2874
2875 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2876
2877         * config/alpha/alpha.c (alpha_option_override): Default to
2878         full IEEE compliance mode for Go language.
2879
2880 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2881
2882         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2883         (LINK_SSP_SPEC): Define.
2884
2885 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2886
2887         PR target/51871
2888         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2889         stubs.
2890
2891 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2892
2893         * doc/invoke.texi: Correct hyphenation of "floating point",
2894         "double precision", and related terminology throughout the file.
2895
2896 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2897
2898         PR target/52006
2899         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2900         arm_general_register_operand predicate for operand 2 instead of
2901         register_operand.
2902
2903 2012-01-27  Ian Lance Taylor  <iant@google.com>
2904
2905         PR go/47656
2906         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2907         * builtins.c (expand_builtin_init_trampoline): Add onstack
2908         parameter.  Change caller.
2909         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2910         * tree.c (build_common_builtin_nodes): Declare
2911         __builtin_init_heap_trampoline.
2912
2913 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2914
2915         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2916         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2917         * config/avr/avr.c: Ditto.
2918         (avr_regnames): Remove because unused.
2919         * config/avr/avr.md (*cpse.ne): New peephole.
2920         (*cpse.eq): New peephole from former cpse peepholes.
2921
2922 2012-01-27  Michael Eager  <eager@eagercon.com>
2923
2924         * config/microblaze.c (microblaze_emit_compare): Correct
2925         test after pcmp instruction.
2926
2927 2012-01-27  Richard Guenther  <rguenther@suse.de>
2928
2929         PR tree-optimization/52020
2930         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2931
2932 2012-01-27  Richard Guenther  <rguenther@suse.de>
2933
2934         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2935         function non-const/pure.
2936
2937 2012-01-27  Richard Guenther  <rguenther@suse.de>
2938
2939         PR tree-optimization/50444
2940         * tree-sra.c (build_ref_for_offset): Properly adjust the
2941         MEM_REF type for unaligned accesses.
2942
2943 2012-01-27  Richard Guenther  <rguenther@suse.de>
2944
2945         PR tree-optimization/50444
2946         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2947         (expand_assignment): Use it.  Properly handle misaligned
2948         bases when expanding stores to component references.
2949         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2950         refactor that case.
2951
2952 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2953
2954         PR middle-end/51389
2955         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2956         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2957         * tree-data-ref.c (find_data_references_in_loop): Make static.
2958         (compute_all_dependences): Change return type to bool.  Bail out
2959         for too many datarefs in a loop.  Move the hunk resetting the data
2960         dependences vector from ...
2961         (compute_data_dependences_for_loop): ... here.  Account for
2962         compute_all_dependences returning false.
2963         (compute_data_dependences_for_bb): Likewise.
2964         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2965         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2966
2967 2012-01-27  Richard Guenther  <rguenther@suse.de>
2968
2969         PR middle-end/51959
2970         * expr.c (store_field): Use the alias-set of the scratch memory
2971         for storing to it.
2972
2973 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2974
2975         PR tree-optimization/51990
2976         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2977         WITH_SIZE_EXPR.
2978         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2979
2980 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2981
2982         PR debug/52001
2983         * var-tracking.c (reverse_op): Don't add any reverse operation
2984         if V already has any constant locations.
2985
2986 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2987
2988         * doc/invoke.texi: Correct usage of "command line" (noun)
2989         vs "command-line" (adjective) throughout.
2990
2991 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2992
2993         * doc/invoke.texi (Language Independent Options): Move
2994         -Wcoverage-mismatch blurb from here....
2995         (Warning Options): ...to here.
2996
2997 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2998
2999         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3000         Set rs6000_always_hint to false for 476.
3001
3002 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3003
3004         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3005           system root.
3006         * incpath.c (add_standard_paths): Likewise.
3007
3008 2012-01-27  Richard Henderson  <rth@redhat.com>
3009
3010         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3011         * config/m68k/sync.md (atomic_test_and_set): Rename from
3012         sync_test_and_setqi and adjust the operands.
3013         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3014         and unconditionally enable.
3015
3016 2012-01-27  Richard Henderson  <rth@redhat.com>
3017
3018         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3019         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3020         (ldstub): Rename from ldstubqi.
3021         (ldstub<I24MODE>): Remove.
3022
3023 2012-01-27  Richard Henderson  <rth@redhat.com>
3024
3025         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3026         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3027         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3028         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3029         * doc/tm.texi: Rebuild.
3030
3031 2012-01-27  Richard Henderson  <rth@redhat.com>
3032
3033         * optabs.c (gen_atomic_test_and_set): Remove default.
3034         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3035
3036 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3037
3038         PR rtl-optimization/51978
3039         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3040         (combine_reaching_defs): Likewise.
3041         (struct re_info): Remove.
3042         (add_removable_extension): Remove x and data arguments,
3043         add insn, insn_list and def_map.  Use the arguments directly
3044         instead of using struct re_info.
3045         (find_removable_extensions): Don't call add_removable_extension
3046         through note_stores, instead just call it with single_set
3047         result if non-NULL.
3048         (find_and_remove_re): Pass curr_cand->expr instead of
3049         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3050
3051 2012-01-26  Michael Matz  <matz@suse.de>
3052
3053         PR tree-optimization/46590
3054         * cfgexpand.c: Revert last change (r183305).
3055         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3056         regs.
3057         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3058         checking for emptiness.
3059
3060 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3061
3062         PR middle-end/51895
3063         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3064         non-addressable non-BLKmode base correctly.
3065
3066 2012-01-26  Michael Matz  <matz@suse.de>
3067
3068         PR tree-optimization/48794
3069         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3070         regions referenced from RESX/EH_DISPATCH.
3071
3072 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3073
3074         * config/s390/s390.h: Make BRANCH_COST an option.
3075         * config/s390/s390.opt: New option -mbranch-cost.
3076
3077 2012-01-26  Richard Henderson  <rth@redhat.com>
3078
3079         Revert 2012-01-24 change:
3080         * trans-mem.c (requires_barrier): Do not instrument thread local
3081         variables and emit save/restore for them.
3082
3083 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3084
3085         PR middle-end/51986
3086         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3087         for pat == 0.
3088
3089 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3090
3091         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3092         ASM_OPERANDS.
3093
3094 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3095
3096         PR target/49868
3097         Rename __pgm to __flash.
3098         Rename __pgm1 to __flash1.
3099         Rename __pgm2 to __flash2.
3100         Rename __pgm3 to __flash3.
3101         Rename __pgm4 to __flash4.
3102         Rename __pgm5 to __flash5.
3103         Rename __pgmx to __memx.
3104         * doc/extend.texi (AVR Named Address Spaces)
3105         Rename address space names as indicated above.
3106         * config/avr/avr.c (avr_addrspace): Ditto.
3107
3108         * config/avr/avr-protos.h
3109         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3110         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3111         * config/avr/predicates.md: Ditto.
3112         * config/avr/avr.c Ditto, and
3113         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3114         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3115
3116         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3117         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3118         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3119         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3120         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3121         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3122         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3123         * config/avr/avr.c: Ditto.
3124         * config/avr/avr.md: Ditto.
3125
3126 2012-01-25  Jason Merrill  <jason@redhat.com>
3127
3128         PR c++/51992
3129         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3130
3131 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3132
3133         PR tree-optimization/51987
3134         * tree-data-ref.c (get_references_in_stmt): Handle references in
3135         non-volatile GIMPLE_ASM.
3136
3137 2012-01-25  Richard Guenther  <rguenther@suse.de>
3138
3139         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3140         bases are dereferenced.
3141
3142 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3143
3144         PR rtl-optimization/48374
3145         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3146
3147 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3148
3149         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3150         compute_data_dependences_for_loop returns false.
3151         * tree-parloops.c (loop_parallel_p): Likewise.
3152
3153 2012-01-25  Richard Guenther  <rguenther@suse.de>
3154
3155         * tree.h (get_pointer_alignment_1): Declare.
3156         * builtins.c (get_pointer_alignment_1): New function.
3157         (get_pointer_alignment): Use it.
3158
3159 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3160
3161         PR rtl-optimization/48308
3162         * combine.c (enum undo_kind): Add UNDO_LINKS.
3163         (struct undo): Add member l to other_contents and where.
3164         (do_SUBST_LINK): New.
3165         (SUBST_LINK): New.
3166         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3167         (undo_all): Handle UNDO_LINKS.
3168
3169 2012-01-25  Richard Henderson  <rth@redhat.com>
3170
3171         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3172         mem inputs.
3173
3174 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3175
3176         * optabs.c (gen_atomic_test_and_set): Use each argument.
3177
3178 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3179
3180         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3181         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3182         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3183         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3184         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3185         TARGET_PAIRED_SINGLE_FLOAT.
3186
3187 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3188
3189         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3190         (in_struct, return_val): Remove MEM documentation.
3191         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3192         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3193         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3194         and MEM_SCALAR.
3195         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3196         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3197         * expr.c (store_field): Likewise.
3198         * function.c (assign_stack_temp_for_type): Likewise.
3199         * ifcvt.c (noce_try_cmove_arith): Likewise.
3200         * reload1.c (reload): Likewise.
3201         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3202         (alpha_set_memflags): Likewise.
3203         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3204
3205 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3206
3207         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3208         parameter.
3209         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3210         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3211         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3212         varies parameter.
3213         * cselib.c (cselib_rtx_varies_p): Delete.
3214         (cselib_invalidate_mem): Update call to canon_true_dependence.
3215         * dse.c (record_store, check_mem_read_rtx): Likewise.
3216         (scan_reads_nospill): Likewise.
3217         * cse.c (check_dependence): Likewise.
3218         (cse_rtx_varies_p): Delete.
3219         * expr.c (safe_from_p): Update call to true_dependence.
3220         * ira.c (validate_equiv_mem_from_store): Likewise.
3221         (memref_referenced_p): Likewise.
3222         * postreload-gcse.c (find_mem_conflicts): Likewise.
3223         * sched-deps.c (sched_analyze_2): Likewise.
3224         * store-motion.c (load_kills_store): Likewise.
3225         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3226         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3227         (compute_transp): Update call to canon_true_dependence.
3228
3229 2012-01-25  Richard Henderson  <rth@redhat.com>
3230
3231         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3232         (maybe_emit_atomic_test_and_set): New.
3233         (expand_sync_lock_test_and_set): Use it.
3234         (expand_atomic_test_and_set): Likewise.
3235         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3236         the implementation; clarify implementation defined details.
3237         * doc/md.texi (atomic_test_and_set): Document.
3238
3239 2012-01-25  Richard Henderson  <rth@redhat.com>
3240
3241         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3242
3243 2012-01-25  Richard Henderson  <rth@redhat.com>
3244
3245         PR target/51968
3246         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3247         to effect no-op split.
3248
3249 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3250
3251         PR lto/51698
3252         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3253         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3254         (BT_FN_VOID_PTR_INT_SIZE): New.
3255         (BT_FN_UINT_UINT_VAR): Remove.
3256         (BT_FN_UINT32_UINT32_VAR): New.
3257         (BT_FN_DOUBLE_VPTR): Remove.
3258         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3259
3260         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3261         (_ITM_changeTransactionMode): Same.
3262         (_ITM_memmoveRtWt): Change return type to void.
3263         (_ITM_memcpyRtWt): Same.
3264         (_ITM_memsetW): Same.
3265         (_ITM_RaRD): Change types to double.
3266         (_ITM_RD): Same.
3267         (_ITM_RaWD): Same.
3268         (_ITM_RfWD): Same.
3269
3270         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3271
3272 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3273             Patrick Marlier  <patrick.marlier@gmail.com>
3274
3275         * trans-mem.c (requires_barrier): Do not instrument thread local
3276         variables and emit save/restore for them.
3277
3278 2012-01-24  Jason Merrill  <jason@redhat.com>
3279
3280         PR c++/51812
3281         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3282         output static aliases.
3283
3284 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3285
3286         PR driver/47249
3287         * common.opt (-pie, -shared, pie, shared): Change from Common to
3288         Driver.
3289         * gcc.c (display_help): Display help for -pie and -shared.
3290
3291 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3292
3293         PR target/49868
3294         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3295         Remove note on size/offset limitation.
3296         (AVR Variable Attributes): Add example how to read data located
3297         with progmem.  Refer to named address spaces.
3298         * doc/invoke.texi (AVR Options): Fix typo.
3299
3300 2012-01-24  Richard Guenther  <rguenther@suse.de>
3301
3302         Forward-port to trunk
3303         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3304
3305         PR middle-end/45678
3306         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3307         op0 isn't sufficiently aligned and there is movmisalignM
3308         insn for mode, use it to load op0 into a temporary register.
3309
3310 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR target/51957
3313         * target.def (const_not_ok_for_debug_p): New hook.
3314         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3315         documentation.
3316         * doc/tm.texi: Regenerated.
3317         * dwarf2out.c (const_ok_for_output_1): If
3318         targetm.const_not_ok_for_debug_p returns true, fail.
3319         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3320         function.
3321         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3322
3323 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3324
3325         PR target/51900
3326         * config/i386/predicates.md (symbolic_operand): Allow
3327         UNSPEC_PCREL as PIC expression for lea.
3328         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3329         * config/i386/i386.c (ix86_delegitimize_address): Handle
3330         UNSPEC_PCREL for none-MEM, too.
3331
3332 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3333
3334         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3335         (ipa_tm_create_version_alias): Same.
3336
3337 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3338
3339         PR libitm/51830
3340         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3341         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3342
3343 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3344             Patrick Marlier  <patrick.marlier@gmail.com>
3345             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3346
3347         PR lto/51916
3348         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3349         simple_object_start_read.
3350
3351 2012-01-23  Richard Guenther  <rguenther@suse.de>
3352
3353
3354         PR tree-optimization/51895
3355         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3356         parameter decomposition into BLKmode components.
3357
3358 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3359
3360         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3361         fake variables for restrict-qualified pointers whose pointed-to type
3362         contains a placeholder.
3363
3364 2012-01-23  Richard Guenther  <rguenther@suse.de>
3365
3366         PR tree-optimization/51949
3367         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3368
3369 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3370
3371         PR rtl-optimization/51933
3372         * ree.c (transform_ifelse): Return true right away if dstreg is
3373         already wider or equal to cand->mode.
3374         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3375         (make_defs_and_copies_lists): Remove defs_list and copies_list
3376         arguments, add state argument, just truncate state->work_list
3377         instead of always allocating and freeing the vector.  Assert that
3378         get_defs succeeds instead of returning 2.  Changed return type to bool.
3379         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3380         have ext_src_mode, see if it has been modified already with the
3381         right kind of extension and has been extended before from the
3382         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3383         just return true.  Remember the original mode in state->modified array.
3384         (combine_reaching_defs): Add state argument.  Don't allocate and
3385         free here def_list, copied_list and vec vectors, instead just
3386         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3387         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3388         Add state variable, clear vectors in it, initialize state.modified
3389         if needed.  Free all the vectors at the end and state.modified too.
3390         Don't skip a candidate if the extension expression has been modified.
3391
3392 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3393
3394         PR target/47096
3395         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3396          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3397         (extra_options) interix.opt -> i386/interix.opt"
3398         (extra_objs):Add winnt-stubs.o
3399         * configure.ac: Add interix to target_os .comm on PE check.
3400         * configure: Regenerate.
3401         * config/interix3.h: Delete and move bits to..
3402         * config/interix.h: Delete and move bits to..
3403         * config/i386/i386-interix3.h: Delete and move bits to..
3404         * config/i386/i386-interix.h: ..here.
3405         (TARGET_CPU_DEFAULT): Remove redefinition.
3406         (TARGET_ASM_CONSTRUCTOR): Undefine.
3407         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3408         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3409         (PTRDIFF_TYPE): Define.
3410         (LONG_DOUBLE_TYPE_SIZE): Define.
3411         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3412         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3413         (TARGET_SECTION_TYPE_FLAGS): Define.
3414         (ASM_DECLARE_FUNCTION_NAME): Define.
3415         (ASM_OUTPUT_EXTERNAL): Define.
3416         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3417         (ASM_OUTPUT_ALIGNED_BSS): Define.
3418         (PCC_BITFIELD_TYPE_MATTERS): Define.
3419         (USE_CONST_SECTION): Define.
3420         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3421         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3422         (SUPPORTS_ONE_ONLY): Remove.
3423         (I386_PE_STRIP_ENCODING): Define.
3424         * config/interix.opt: Delete and move bits to..
3425         * config/i386/interix.opt: ..here. New.
3426         (mpe-aligned-commons): Add.
3427         * config/i386/t-interix: Add copyright header.
3428         (winnt-stubs.o): Add rule.
3429
3430 2012-01-22  Jason Merrill  <jason@redhat.com>
3431
3432         PR c++/51832
3433         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3434         for extra name aliases.
3435
3436 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3437
3438         PR rtl-optimization/51924
3439         * ree.c (combine_set_extension): Improve debugging message.
3440         (combine_reaching_defs): Likewise.
3441         (get_defs): Rename confusingly named variable.
3442         (find_and_remove_re): Skip a candidate if the extension expression has
3443         been modified.
3444
3445 2012-01-21  Robert Millan  <rmh@gnu.org>
3446             Gerald Pfeifer  <gerald@pfeifer.com>
3447
3448         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3449         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3450
3451 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3452
3453         PR tree-optimization/51914
3454         * tree-vect-stmts.c (vectorizable_conversion): For
3455         cvt_type && modifier == WIDEN, put temporary with cvt_type
3456         at the beginning of vec_dsts and set vec_dest to temporary
3457         with vectype_out.
3458
3459 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3460
3461         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3462
3463 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3464
3465         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3466         * config/rs6000/rs6000.c: Likewise.
3467
3468 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3469
3470         PR target/51915
3471         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3472         output_move_double on a copy of operands array.
3473
3474 2012-01-20  Cary Coutant  <ccoutant@google.com>
3475             Dodji Seketeli  <dodji@redhat.com>
3476
3477         PR debug/45682
3478         * dwarf2out.c (copy_declaration_context): Return ref to parent
3479         of declaration DIE, if necessary.
3480         (remove_child_or_replace_with_skeleton): Add new parameter; update
3481         caller.  Place skeleton DIE under parent DIE of original declaration.
3482         Move call to copy_declaration_context to here ...
3483         (break_out_comdat_types): ... from here.
3484
3485 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3486
3487         PR rtl-optimization/51856
3488         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3489         flag to reloaded.
3490
3491 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3492
3493         PR target/51819
3494         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3495         hints for neon loads and stores.
3496
3497 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3498
3499         PR target/49868
3500         PR target/50887
3501         * doc/extend.texi (Named Address Spaces): Split into subsections.
3502         (AVR Named Address Spaces): New subsection.
3503         (M32C Named Address Spaces): New subsection.
3504         (RL78 Named Address Spaces): New subsection.
3505         (SPU Named Address Spaces): New subsection.
3506         (Variable Attributes): New anchor "AVR Variable Attributes".
3507         (AVR Variable Attributes): Rewrite and avoid wording
3508         "address space" in this context.
3509         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3510         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3511         (AVR Built-in Macros): New subsubsection therein.
3512         * doc/md.texi (AVR constraints): Remove "C04", "R".
3513
3514 2012-01-20  Richard Guenther  <rguenther@suse.de>
3515
3516         PR tree-optimization/51903
3517         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3518         when removing stmts.
3519
3520 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3521
3522         PR target/50313
3523         * config/arm/arm.c (arm_load_pic_register): Use
3524         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3525         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3526         (arm_pic_static_addr): Likewise.
3527         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3528         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3529         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3530         (pic_load_addr_unified): New.
3531
3532 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3533
3534         PR target/51106
3535         * function.c (instantiate_virtual_regs_in_insn): Use
3536         delete_insn_and_edges when removing a wrong asm insn.
3537
3538 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3539
3540         PR rtl-optimization/40761
3541         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3542         Add new member loop_num.
3543         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3544         (ira_build): Remove the parameter.
3545
3546         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3547         (ira.c): Do not build CFG loops for one region allocation.  Remove
3548         argument from ira_build call.
3549
3550         * ira-build.c (init_loop_tree_node): New function.
3551         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3552         loops are not built.
3553         (more_one_region_p): Check current_loops.
3554         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3555         built.
3556         (add_loop_to_tree): Process loop equal to NULL too.
3557         (form_loop_tree): Separate the case when CFG loops are not built.
3558         Use explicitly number for the root.
3559         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3560         an assertion.
3561         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3562         instead of loop->num.
3563         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3564         (mark_all_loops_for_removal): Ditto.
3565         (remove_unnecessary_regions): Separate the case when CFG loops
3566         are not built.
3567         (ira_build): Remove the parameter.  Use explicit number of regions
3568         when CFG loops are not built.
3569
3570         * ira-color.c (print_loop_title): Separate the case for the root node.
3571         Use loop_num instead of loop->num.
3572         (move_spill_restore): Use loop_num instead of loop->num.
3573
3574         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3575         (change_loop): Ditto.
3576         (change_loop): Use loop_num instead of loop->num.
3577
3578         * ira-lives.c (process_bb_node_lives): Ditto.
3579
3580         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3581
3582         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3583
3584 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3585
3586         PR libmudflap/40778
3587         * tree-mudflap.c (mf_artificial): New function.
3588         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3589         mx_register_decls, mudflap_enqueue_decl): Use it.
3590
3591         PR target/51876
3592         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3593         numbers in the insn pattern.
3594
3595 2012-01-19  Michael Matz  <matz@suse.de>
3596
3597         PR tree-optimization/46590
3598         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3599         use it in remembering which conflicts we already created.
3600         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3601         bitmap.
3602
3603 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3604
3605         PR lto/51280
3606         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3607         (merge_and_complain): Same.
3608
3609 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR bootstrap/50237
3612         * config/initfini-array.h: Guard content of the header
3613         with #ifdef HAVE_INITFINI_ARRAY.
3614         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3615         Add initfini-array.h to tm_file here.
3616         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3617         * config.gcc: Don't add initfini-array.h to tm_file here.
3618         * configure: Regenerated.
3619
3620 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3621
3622         PR rtl-optimization/51505
3623         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3624         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3625         (df_note_bb_compute): Update the call to df_kill_notes.
3626
3627 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3628
3629         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3630
3631 2012-01-18  Richard Guenther  <rguenther@suse.de>
3632
3633         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3634         of conversions to void *.
3635
3636 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3637             Richard Sandiford  <rdsandiford@googlemail.com>
3638
3639         PR middle-end/50325
3640         PR middle-end/51192
3641         * optabs.h (simplify_expand_binop): Declare.
3642         * optabs.c (simplify_expand_binop): Make global.
3643         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3644         endian targets if the source cannot be exactly covered by word
3645         mode chunks.
3646
3647 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3648
3649         PR bootstrap/51872
3650         * hard-reg-set.h (struct hard_reg_set_container): New type.
3651         * target.h (struct hard_reg_set_container): Forward declare.
3652         * target.def (set_up_by_prologue): New target hook.
3653         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3654         * doc/tm.texi: Regenerated.
3655         * function.c (thread_prologue_and_epilogue_insns): Change
3656         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3657         Call targetm.set_up_by_prologue on it.
3658         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3659         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3660
3661 2012-01-17  Nick Clifton  <nickc@redhat.com>
3662
3663         * config/rx/rx.c (rx_can_use_simple_return): New function.
3664         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3665         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3666
3667 2012-01-17  Richard Guenther  <rguenther@suse.de>
3668
3669         PR middle-end/51782
3670         * expr.c (expand_assignment): Take address-space information
3671         from the address operand of MEM_REF and TARGET_MEM_REF.
3672         (expand_expr_real_1): Likewise.
3673
3674 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3675
3676         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3677         reload dump is requested.
3678
3679 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3680
3681         PR other/51165
3682         * trans-mem.c (requires_barrier): Call may_be_aliased.
3683
3684 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3685
3686         PR tree-optimization/51877
3687         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3688         call arguments and fndecls compare equal, instead return false if they
3689         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3690         both SSA_NAMEs that are valueized the same, or they satisfy
3691         operand_equal_p.
3692
3693 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3694
3695         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3696         Solaris 11+.
3697         * configure: Regenerate.
3698
3699 2012-01-16  Jan Hubicka  <jh@suse.cz>
3700
3701         PR c/12245
3702         PR c++/14179
3703         * convert.c (convert_to_integer): Use fold_convert for
3704         converting an INTEGER_CST to integer type.
3705
3706 2012-01-16  Jason Merrill  <jason@redhat.com>
3707
3708         PR c++/14179
3709         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3710
3711 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3712
3713         PR bootstrap/51860
3714         * config/s390/s390.c (s390_chunkify_start): Don't skip
3715         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3716         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3717         If insn is followed by NOTE_INSN_VAR_LOCATION or
3718         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3719         Don't use location of note insns.
3720
3721         PR tree-optimization/51865
3722         * tree-inline.c (tree_function_versioning): Call remap_decl
3723         on DECL_RESULT whenever it has VOID_TYPE_P type.
3724
3725 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3726
3727         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3728         for calls to locally-binding MIPS16 functions if only the return
3729         type uses float regs.
3730
3731 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3732             Richard Sandiford  <rdsandiford@googlemail.com>
3733
3734         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3735         (SYMBOL_32_HIGH): Likewise.
3736         (mips_output_tls_reloc_directive): Declare.
3737         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3738         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3739         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3740         (mips_lo_relocs, mips_hi_relocs): Make extern.
3741         (mips16_stub_function): Move up file.
3742         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3743         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3744         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3745         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3746         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3747         (mips_get_tp): Add MIPS16 support.
3748         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3749         Generalize DTPREL and TPREL handling.
3750         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3751         Add MIPS16 TLS support.
3752         (mips_output_tls_reloc_directive): New function.
3753         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3754         * config/mips/predicates.md (symbolic_operand_with_high)
3755         (tls_reloc_operand): New predicates.
3756         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3757         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3758         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3759         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3760         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3761         (*tls_get_tp_mips16_call_<mode>): Likewise.
3762
3763 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3764
3765         PR rtl-optimization/51821
3766         * recog.c (peep2_find_free_register): Determine clobbered registers
3767         from insn pattern.
3768
3769 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3770
3771         PR target/50925
3772         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3773         * config/avr/avr.c: Likewise.
3774         * config/avr/avr.h: Likewise.
3775
3776 2012-01-13  Ian Lance Taylor  <iant@google.com>
3777
3778         PR c++/50012
3779         * tree.h (TYPE_QUALS): Add cast to int.
3780         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3781
3782 2012-01-13  Ian Lance Taylor  <iant@google.com>
3783
3784         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3785         comparing param_index to VEC_length result.
3786
3787 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3788
3789         * c-decl.c: Do not include tree-mudflap.h
3790         * tree-optimize.c: Likewise.
3791         * Makefile.in: Update dependencies.
3792
3793 2012-01-13  Richard Guenther  <rguenther@suse.de>
3794
3795         PR middle-end/8081
3796         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3797         variable-sized result always use RSO.
3798
3799 2012-01-12  DJ Delorie  <dj@redhat.com>
3800
3801         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3802         pointer type, not just the default pointer type.
3803
3804 2012-01-09  Richard Henderson  <rth@redhat.com>
3805             Denis Chertykov  <chertykov@gmail.com>
3806
3807         PR target/50925
3808         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3809         * config/avr/avr.c (avr_can_eliminate): Simplify.
3810         (avr_initial_elimination_offset): Likewise.
3811         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3812         (expand_epilogue): Likewise.
3813         (avr_legitimize_address): Gut.
3814         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3815         (avr_hard_regno_nregs): New.
3816         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3817         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3818         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3819         add soft frame pointer.
3820         (CALL_USED_REGISTERS): Likewise.
3821         (REG_CLASS_CONTENTS): Likewise.
3822         (REGISTER_NAMES): Likewise.
3823         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3824         (HARD_FRAME_POINTER_REGNUM): New.
3825         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3826         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3827         remove the HARD_FRAME_POINTER self-elimination.
3828
3829 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3830
3831         PR target/51756
3832         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3833         DECL_EXTERNAL when checking for initializers of progmem variables.
3834
3835 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3836
3837         PR tree-optimization/51799
3838         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3839         that the last operation is a type demotion.
3840
3841 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3842
3843         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3844         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3845
3846 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3847
3848         PR bootstrap/51796
3849         * combine.c (distribute_notes): If i3 is a noreturn call,
3850         allow old_size to be equal to args_size and make sure the
3851         noreturn call gets REG_ARGS_SIZE note.
3852         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3853         on noreturn calls even when the delta is 0.
3854
3855 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3856
3857         * gcov.c (STRING_SIZE): Remove.
3858         (generate_results): Erase annotations for source files with no
3859         coverage information.
3860         (read_line): New.
3861         (output_lines): Use it.
3862
3863 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3864
3865         * gimple.h (gimplify_body): Remove first argument.
3866         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3867         pointer set here, instead just pass DATA to walk_tree.
3868         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3869         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3870         (unvisit_body): Likewise, but with unmark_visited.
3871         (gimplify_body): Remove BODY_P argument and adjust.
3872         (gimplify_function_tree): Adjust call to gimplify_body.
3873         * omp-low.c (finalize_task_copyfn): Likewise.
3874
3875 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3876
3877         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3878         (build_function_type_skip_args): Delete.
3879         * tree.c (build_function_type_skip_args): Make static and add
3880         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3881         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3882         pass it to build_function_type_skip_args.
3883         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3884         (tree_function_versioning): Likewise.
3885         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3886         build_function_decl_skip_args.
3887         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3888         and pass it to build_function_decl_skip_args/tree_function_versioning.
3889         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3890         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3891         * trans-mem.c (ipa_tm_create_version): Likewise.
3892         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3893         * tree-inline.c (declare_return_variable): Remove always-true test.
3894         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3895         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3896         * ipa-split.c (split_function): Skip the return value for the split
3897         part if it doesn't return.
3898
3899 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3900
3901         PR tree-optimization/49642
3902         * ipa-split.c (forbidden_dominators): New variable.
3903         (check_forbidden_calls): New function.
3904         (dominated_by_forbidden): Likewise.
3905         (consider_split): Check for forbidden dominators.
3906         (execute_split_functions): Initialize and free forbidden
3907         dominators info; call check_forbidden_calls.
3908
3909 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3910
3911         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3912
3913 2012-01-11  Nick Clifton  <nickc@redhat.com>
3914
3915         * config/rx/rx.md (return): Define pattern.
3916
3917 2012-01-11  Richard Guenther  <rguenther@suse.de>
3918
3919         * doc/extend.texi (malloc attribute): Adjust according to
3920         implementation.
3921
3922 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3923             Patrick Marlier  <patrick.marlier@gmail.com>
3924
3925         PR middle-end/51516
3926         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3927         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3928         (ipa_tm_note_irrevocable): Same.
3929         (ipa_tm_scan_irr_block): Same.
3930         (ipa_tm_decrement_clone_counts): Same.
3931         (ipa_tm_scan_irr_function): Same.
3932         (ipa_tm_create_version_alias): Same.
3933         (ipa_tm_create_version): Same.
3934         (ipa_tm_transform_calls_redirect): Same.
3935         (ipa_tm_transform_calls): Same.
3936         (ipa_tm_transform_transaction): Same.
3937         (ipa_tm_execute): Same.
3938
3939 2012-01-10  Richard Guenther  <rguenther@suse.de>
3940
3941         PR middle-end/51806
3942         * opts.c (common_handle_option): Handle -Werror.
3943
3944 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3945
3946         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3947         operand number.
3948
3949 2012-01-10  Jason Merrill  <jason@redhat.com>
3950
3951         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3952         information.
3953
3954 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3955
3956         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3957         supports R_386_TLS_GD_PLT reloc.
3958         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3959         supports R_386_TLS_LDM_PLT reloc.
3960         * configure: Regenerate.
3961         * config.in: Regenerate.
3962
3963 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3964
3965         PR target/49868
3966         Extend __pgmx semantics to linearize memory.
3967         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3968         determine if code comes inline or from libgcc.
3969         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3970         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3971         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3972         (movmemx_qi, movmemx_hi): New insns.
3973         (xload_<mode>_libgcc): Rewrite to new insn condition.
3974         (xload_<mode>): Remove insns.
3975         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3976         cases that don't satisfy avr_xload_libgcc_p().
3977         (avr_addr_space_convert): Allow converting in any direction.
3978         (avr_addr_space_subset_p): Return always true.
3979         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3980         (avr_emit_movmemhi): Ditto.
3981         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3982         (avr_out_movmem): Ditto.
3983         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3984         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3985         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3986         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3987         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3988
3989 2012-01-10  Richard Guenther  <rguenther@suse.de>
3990
3991         PR tree-optimization/50913
3992         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3993         Require data-refs to be representable by Graphite with respect
3994         to any loop nest.
3995
3996 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3997
3998         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3999         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4000
4001 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4002
4003         PR rtl-optimization/51271
4004         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4005         handling annulled branch.
4006
4007 2012-01-10  Richard Henderson  <rth@redhat.com>
4008
4009         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4010         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4011         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4012         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4013         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4014         arm_expand_vec_perm_const): New.
4015         * config/arm/arm-protos.h: Update.
4016         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4017         (*neon_vswp<VDQX>): New.
4018         (neon_vcombine<VDX>): Use neon_split_vcombine.
4019         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4020         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4021         (vec_perm<VE>): New.
4022
4023 2012-01-10  Richard Henderson  <rth@redhat.com>
4024
4025         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4026         use it if reload_completed.
4027         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4028         arm_output_asm_insn, arm_process_output_memory_barrier,
4029         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4030         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4031         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4032         arm_process_output_sync_insn, arm_output_sync_insn,
4033         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4034         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4035         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4036         (emit_unlikely_jump): New.
4037         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4038         (arm_split_atomic_op): New.
4039         * config/arm/arm-protos.h: Update.
4040         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4041         (struct arm_sync_generator): Remove.
4042         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4043         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4044         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4045         (VUNSPEC_LL, VUNSPEC_SC): New.
4046         (sync_result, sync_memory, sync_required_value, sync_new_value,
4047         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4048         (attr length): Don't use arm_sync_loop_insns.
4049         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4050         (movsfcc, movdfcc): Likewise.
4051         * config/arm/constraints.md (Ua): New.
4052         * config/arm/prediates.md (mem_noofs_operand): New.
4053         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4054         (sync_clobber, sync_t2_reqd): Remove.
4055         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4056         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4057         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4058         (arm_sync_compare_and_swap<SIDI>): Remove.
4059         (arm_sync_compare_and_swap<NARROW>): Remove.
4060         (arm_sync_lock_test_and_set<SIDI>): Remove.
4061         (arm_sync_lock_test_and_set<NARROW>): Remove.
4062         (arm_sync_new_<syncop><SIDI>): Remove.
4063         (arm_sync_new_<syncop><NARROW>): Remove.
4064         (arm_sync_new_nand<SIDI>): Remove.
4065         (arm_sync_new_nand<NARROW>): Remove.
4066         (arm_sync_old_<syncop><SIDI>): Remove.
4067         (arm_sync_old_<syncop><NARROW>): Remove.
4068         (arm_sync_old_nand<SIDI>): Remove.
4069         (arm_sync_old_nand<NARROW>): Remove.
4070         (*memory_barrier): Merge arm_output_memory_barrier.
4071         (atomic_compare_and_swap<QHSD>): New.
4072         (atomic_compare_and_swap<NARROW>_1): New.
4073         (atomic_compare_and_swap<SIDI>_1): New.
4074         (atomic_exchange<QHSD>): New.
4075         (cas_cmp_operand, cas_cmp_str): New.
4076         (atomic_op_operand, atomic_op_str): New.
4077         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4078         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4079         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4080         (arm_load_exclusive<NARROW>): New.
4081         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4082         (arm_store_exclusive<QHSD>): New.
4083
4084 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4085
4086         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4087         reload patterns if -mvsx-scalar-memory.
4088
4089         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4090         generated, even -mno-vsx-scalar-double was used.
4091         (vsx_xscvdpsp_scalar): Likewise.
4092         (vsx_xscvspdp_scalar2): Likewise.
4093
4094 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4095             Andrew Pinski  <apinski@cavium.com>
4096
4097         PR debug/51471
4098         * reorg.c (fill_slots_from_thread): Don't speculate
4099         frame-related insns.
4100
4101 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4102
4103         * sched-int.h (bb_note): Move to...
4104         * basic-block.h: ...here.
4105         * haifa-sched.c (bb_note): Move to...
4106         * cfgrtl.c: ...here.
4107         * function.c (next_block_for_reg): New function.
4108         (move_insn_for_shrink_wrap): Likewise.
4109         (prepare_shrink_wrap): Rewrite to use the above.
4110
4111 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4112
4113         * gimple.c (is_gimple_non_addressable): Remove.
4114         * gimple.h: Remove is_gimple_non_addressable.
4115         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4116         is_gimple_non_addressable.
4117         * trans-mem.c (expand_assign_tm): Same.
4118
4119 2012-01-09  Richard Guenther  <rguenther@suse.de>
4120
4121         PR tree-optimization/51775
4122         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4123         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4124
4125 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4126
4127         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4128         tuning parameters.
4129         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4130
4131 2012-01-09  Richard Guenther  <rguenther@suse.de>
4132
4133         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4134
4135 2012-01-08  Jan Hubicka  <jh@suse.cz>
4136
4137         PR tree-optimize/51680
4138         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4139         on when known_vals needs to be computed; cleanup.
4140
4141 2012-01-08  Jan Hubicka  <jh@suse.cz>
4142
4143         PR tree-optimize/51694
4144         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4145
4146 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4147
4148         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4149         for -std=c++98 and -std=c++11 too.
4150
4151 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4152
4153         * cfgloop.c (cancel_loop): Add free() of bbs array.
4154
4155 2012-01-07  Jan Hubicka  <jh@suse.cz>
4156
4157         PR tree-optimization/51600
4158         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4159         that benefits small functions.
4160
4161 2012-01-07  Jan Hubicka  <jh@suse.cz>
4162
4163         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4164
4165 2012-01-07  Jan Hubicka  <jh@suse.cz>
4166
4167         PR tree-optimization/51680
4168         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4169         whose inlining reduce unit size.
4170
4171 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4172
4173         PR bootstrap/51725
4174         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4175         Add canonical node to containing_mem chain after the non-canonical
4176         one, even if there weren't any locs to propagate.
4177         (remove_useless_values): Keep only canonical values.
4178         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4179         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4180         canonicalize mem_chain elements that are not discarded.
4181
4182 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4183
4184         PR target/47333
4185         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4186         before emitting functions.
4187
4188         PR gcov-profile/50127
4189         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4190         clear_aux_for_blocks.
4191
4192 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4193
4194         PR debug/51746
4195         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4196
4197 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4198
4199         * c-decl.c (ext_block): Moved up.
4200         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4201
4202 2012-01-06  Han Shen  <shenhan@google.com>
4203
4204         Translate built-in include paths for sysroot.
4205         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4206         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4207
4208         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4209         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4210
4211         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4212         control whether sysroot should be prepended to gxx include dir.
4213
4214         * configure: Regenerate.
4215
4216 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4217
4218         PR rtl-optimization/51771
4219         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4220         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4221
4222 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4223
4224         PR tree-optimization/51315
4225         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4226         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4227
4228 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4229
4230         PR target/51681
4231         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4232         for shrp pattern.  Correctly handle and fixup shift variable.
4233         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4234
4235 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4236
4237         PR debug/51762
4238         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4239         note when !ACCUMULATE_OUTGOING_ARGS.
4240
4241 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4242
4243         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4244         condition.
4245         (extract_range_from_unary_expr_1): Avoid useless computations.
4246
4247 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4248
4249         PR rtl-optimization/51767
4250         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4251         of jump_block and add an extra edge for degenerated asm gotos.
4252
4253         PR middle-end/51768
4254         * stmt.c (check_unique_operand_names): Don't ICE during error
4255         reporting if i is from labels chain.
4256
4257         PR middle-end/44777
4258         * profile.c (branch_prob): Split bbs that have exit edge
4259         and need a fake entry edge too.
4260
4261 2012-01-05  Jan Hubicka  <jh@suse.cz>
4262
4263         PR middle-end/49710
4264         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4265         unlooping loops.
4266
4267 2012-01-05  Richard Guenther  <rguenther@suse.de>
4268
4269         PR lto/50490
4270         * tree-streamer-out.c (write_ts_optimization): New function.
4271         (streamer_write_tree_body): Call it.
4272         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4273         (streamer_read_tree_body): Call it.
4274         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4275
4276 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4277
4278         PR middle-end/51761
4279         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4280         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4281         in_cleanup_point_expr before gimplify_stmt call and restore it
4282         afterwards.
4283         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4284         in_cleanup_point_expr is false.
4285
4286 2012-01-05  Richard Guenther  <rguenther@suse.de>
4287
4288         PR middle-end/51764
4289         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4290         to c.opt.
4291         * toplev.c (process_options): Reject combining mudflap and LTO.
4292         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4293
4294 2012-01-05  Richard Guenther  <rguenther@suse.de>
4295
4296         PR tree-optimization/51760
4297         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4298         not VARYING.
4299         (bit_value_unop): Handle UNDEFINED operands.
4300         (bit_value_binop): Likewise.
4301
4302 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4303
4304         * config/avr/avr.c (avr_replace_prefix): Remove.
4305         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4306         (avr_asm_function_rodata_section): Ditto.
4307         (avr_asm_select_section): Ditto.
4308
4309 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4310
4311         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4312         insertion.
4313
4314 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4315
4316         PR bootstrap/51648
4317         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4318         calls that have any non-fake successor edges.
4319
4320         PR debug/51746
4321         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4322
4323 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4324
4325         PR tree-optimization/51624
4326         * tree-sra.c (build_ref_for_model): When replicating a chain of
4327         COMPONENT_REFs, stop as soon as the offset would become negative.
4328
4329 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4330
4331         PR debug/51695
4332         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4333         in .debug_loc on the floor.
4334
4335 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4336
4337         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4338
4339 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4340             Adam Nemet  <anemet@caviumnetworks.com>
4341
4342         * config/mips/mips.md (size): Add SI and DI.
4343         (SIZE): New mode attribute.
4344         (U): New code attribute.
4345         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4346         (mips_lbux_<mode>): Delete.
4347         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4348         (mips_lhx): Use gen_mips_lhx_extsi.
4349         (mips_lhx_<mode>): Delete.
4350         (mips_lwx): Delete.
4351         (mips_l<size>x): New expand.
4352         (mips_lwx_<mode>): Delete.
4353         (mips_l<GPR:size>x_<P:mode>): New pattern.
4354         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4355         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4356         * config/mips/mips.c (mips_lx_address_p): New function.
4357         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4358         (dsp64): New availability predicate.
4359         (mips_builtins): Add an entry for __builtin_mips_ldx.
4360         * config/mips/mips.h (ISA_HAS_LBX): New define.
4361         (ISA_HAS_LBUX): Likewise.
4362         (ISA_HAS_LHX): Likewise.
4363         (ISA_HAS_LHUX): Likewise.
4364         (ISA_HAS_LWX): Likewise.
4365         (ISA_HAS_LWUX): Likewise.
4366         (ISA_HAS_LDX): Likewise.
4367         * doc/extend.texi (__builtin_mips_ldx): Document.
4368
4369 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4370
4371         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4372         when long pointers are used.
4373         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4374         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4375         (ia64-hp-*vms*): Remove.
4376         * config/vms/xm-vms64.h: Delete.
4377
4378 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4379
4380         PR middle-end/51472
4381         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4382
4383 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4384
4385         * opts.c (finish_options): Remove duplicate sorry.
4386
4387 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4388
4389         PR middle-end/51696
4390         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4391         correctly.
4392
4393 2012-01-04  Richard Guenther  <rguenther@suse.de>
4394
4395         PR middle-end/51750
4396         * tree.c (size_low_cst): New function.
4397         * tree.h (size_low_cst): Declare.
4398         * fold-const.c (fold_comparison): Use it to extract the low
4399         part of the POINTER_PLUS_EXPR offset.
4400
4401 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4402
4403         Fix clearing ZERO_REG
4404         * config/avr/avr.md (cc): Add alternative "ldi".
4405         (movqi_insn): Use it in cc attribute.
4406         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4407         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4408         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4409
4410 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4411
4412         * configure: Regenerate.
4413
4414 2012-01-04  Richard Guenther  <rguenther@suse.de>
4415
4416         PR tree-optimization/49651
4417         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4418         (var_can_have_subvars): Use it.
4419         (get_constraint_for_1): Only consider subfields if there can be any.
4420
4421 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4422
4423         PR bootstrap/51725
4424         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4425         to its new canonical_cselib_val and the cselib_val was in
4426         first_containing_mem chain, but the canonical_cselib_val was not,
4427         add the latter into the chain.
4428         (cselib_invalidate_mem): Compare canonical_cselib_val of
4429         addr_list chain elt with v.
4430
4431         PR pch/51722
4432         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4433         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4434         of xstrdup.
4435         (output_macinfo_op): Don't ggc_strdup fd->filename.
4436         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4437         then ggc_strdup it.  Don't free inc->info or cur->info.
4438         (output_macinfo): Don't free ref->info or file->info.
4439
4440 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4441
4442         PR tree-optimization/51269
4443         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4444         first_niters a pointer.
4445         (slpeel_tree_peel_loop_to_edge): Likewise.
4446         (vect_do_peeling_for_loop_bound): Update call to
4447         slpeel_tree_peel_loop_to_edge.
4448         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4449         here.  Remove it from the parameters list.
4450         (vect_do_peeling_for_alignment): Update calls and compute
4451         wide_prolog_niters.
4452
4453 2012-01-03  Richard Guenther  <rguenther@suse.de>
4454
4455         PR tree-optimization/51070
4456         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4457         Properly handle calls.
4458
4459 2012-01-03  Richard Guenther  <rguenther@suse.de>
4460
4461         PR tree-optimization/51692
4462         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4463         the LHS of allocation stmts.
4464
4465 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4466
4467         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4468
4469 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4470
4471         * collect2.c (main): In AIX specific computations for vector
4472         insertions, use CONST_CAST2 to cast from char ** to const char **.
4473
4474 2012-01-03  Richard Guenther  <rguenther@suse.de>
4475
4476         PR debug/51650
4477         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4478         the context of a limbo DIE when it does not already exist.
4479
4480 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4481
4482         PR tree-optimization/51719
4483         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4484         but direct call is, clear direct call's lhs and don't add fallthrough
4485         edge from dcall_bb to join_bb and PHIs.
4486
4487 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4488
4489         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4490         the instructions emitted by the pattern.
4491         ("*TDC_insn_<mode>"): Add comment.
4492
4493 2012-01-03  Richard Guenther  <rguenther@suse.de>
4494
4495         PR middle-end/51730
4496         * fold-const.c (fold_comparison): Properly canonicalize
4497         tree offset and HOST_WIDE_INT bit position.
4498
4499 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4500
4501         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4502         operands for extzv pattern.
4503
4504 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4505
4506         PR bootstrap/51725
4507         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4508         on mem_elt first.
4509
4510 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4511
4512         * doc/invoke.texi (-flto and related options): Copy-edit.
4513
4514 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4515
4516         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4517
4518 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4519
4520         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4521         New patterns.
4522
4523 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4524
4525         * expr.h (move_by_pieces_ninsns): Declare.
4526         * expr.c (move_by_pieces_ninsns): Make external.
4527         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4528         (mips_store_by_pieces_p): Likewise.
4529         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4530         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4531         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4532         (mips_store_by_pieces_p): Likewise.
4533
4534 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4535
4536         * passes.c (register_one_dump_file): Free full_name.
4537
4538         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4539         (calculate_elim_costs_all_insns): Free offsets_at and
4540         offsets_known_at at the end and clear the pointers.
4541
4542 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4543
4544         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4545         this option introduced in r180739.
4546
4547 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4548
4549         PR target/51345
4550         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4551         (tmake_file target=avr): Add avr/t-multilib.
4552
4553         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4554         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4555         * config/avr/genmultilib.awk: New file.
4556         * config/avr/t-multilib: New auto-generated file.
4557         * config/avr/multilib.h: New auto-generated file.
4558         * config/avr/t-avr (AVR_MCUS): New variable.
4559         (genopt.sh): Use it.
4560         (s-mlib): Depend on t-multilib.
4561         (t-multilib, multilib.h): New dependencies.
4562         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4563         (MULTILIB_OPTIONS): Remove.
4564         (MULTILIB_MATCHES): Remove.
4565         (MULTILIB_DIRNAMES): Remove.
4566         (MULTILIB_EXCEPTIONS): Remove:
4567         * config/avr/genopt.sh: Don't use hard coded file name;
4568         pass AVR_MCUS from t-avr instead.
4569
4570 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4571
4572         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4573
4574 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4575
4576         Implement light-weight DImode support.
4577         * config/avr/avr-dimode.md: New file.
4578         * config/avr/avr.md: Include it.
4579         (adjust_len): Add plus64, compare64.
4580         (HIDI): Remove code iterator.
4581         (code_stdname): New code attribute.
4582         (rotx, rotsmode): Remove DI.
4583         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4584         as code iterator.
4585         * config/avr/avr-protos.h (avr_have_dimode): New.
4586         (avr_out_plus64, avr_out_compare64): New.
4587         * config/avr/avr.c (avr_out_compare): Handle DImode.
4588         (avr_have_dimode): New variable definition and initialization.
4589         (avr_out_compare64, avr_out_plus64): New functions.
4590         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4591         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4592         (avr_compare_pattern): Skip DImode comparisons.
4593
4594 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4595
4596         * ddg.c (def_has_ccmode_p): New function.
4597         (add_cross_iteration_register_deps,
4598         create_ddg_dep_from_intra_loop_link): Call it.
4599
4600 2012-01-02  Richard Guenther  <rguenther@suse.de>
4601
4602         PR other/51679
4603         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4604
4605 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4606
4607         * gcc.c (process_command): Update copyright notice dates.
4608         * gcov.c (print_version): Likewise.
4609         * gcov-dump.c (print_version): Likewise.
4610         * mips-tfile.c (main): Likewise.
4611         * mips-tdump.c (main): Likewise.
4612
4613 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4614
4615         PR tree-optimization/51704
4616         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4617         a use is inside the basic block or loop before accessing its vect info.
4618
4619 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4620
4621         PR rtl-optimization/51069
4622         * cfgloopmanip.c (remove_path): Removing path making irreducible
4623         region unconditional makes BB part of the region.
4624
4625 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4626
4627         PR tree-optimization/51683
4628         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4629         calls with side-effects.
4630         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4631 \f
4632 Copyright (C) 2012 Free Software Foundation, Inc.
4633
4634 Copying and distribution of this file, with or without modification,
4635 are permitted in any medium without royalty provided the copyright
4636 notice and this notice are preserved.