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* explow.c (probe_stack_range): Restore simple control flow and stop
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * explow.c (probe_stack_range): Restore simple control flow and stop
4         again when the probe cannot be generated if HAVE_check_stack.
5
6 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
7
8         PR rtl-optimization/53519
9         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
10         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
11
12 2012-05-29  Richard Guenther  <rguenther@suse.de>
13
14         PR tree-optimization/53516
15         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
16         bitfield accesses.
17         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
18
19 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
20
21         Backport from mainline
22         2012-05-28  Richard Guenther  <rguenther@suse.de>
23
24         PR tree-optimization/53438
25         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
26
27 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
28
29         Backport from mainline
30         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
31
32         PR rtl-optimization/52528
33         * combine.c (can_combine_p): Add setting of subst_low_luid
34         before call to expand_field_assignment().
35
36 2012-05-26  Martin Jambor  <mjambor@suse.cz>
37
38         Backport from mainline
39         2012-05-23  Martin Jambor  <mjambor@suse.cz>
40
41         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
42
43 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
44
45         PR lto/52178
46         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
47         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
48
49 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
50
51         PR target/53435
52         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
53         (ix86_expand_vec_perm): Use int mode instead of float.
54
55 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
56
57         PR ada/52362
58         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
59         gnu_ld variables to yes.
60         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
61         (HAVE_GNU_AS): Likewise.
62         * config.in: Regenerate.
63         * configure: Likewise.
64
65 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
66
67         Backport from mainline
68         2012-03-12  Richard Guenther  <rguenther@suse.de>
69         * config/arm/arm.c (neon_dereference_pointer): Do not call
70         covert during RTL expansion.
71
72 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
73
74         Backport from mainline
75         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
76
77         PR target/53385
78         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
79         relied on signed overflow behavior.
80
81 2012-05-24  Richard Guenther  <rguenther@suse.de>
82
83         PR middle-end/53460
84         * tree-profile.c (tree_profiling): Cleanup the CFG if
85         execute_fixup_cfg requests it.
86
87 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
88
89         PR tree-optimization/53465
90         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
91         vr0 into *vr, then vrp_meet that.
92         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
93         have any equivalences.
94         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
95         first time.
96
97 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
98
99         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
100         size handling.
101         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
102         (iterative_hash_gimple_type): Adjust comment.
103         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
104         domain for an array type instead of the domain type itself.
105
106 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
107
108         Backport from 2012-05-23 mainline r187803
109
110         PR target/53448
111         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
112         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
113         ASM_OUTPUT_ALIGN.
114
115 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
116
117         Backport from 2012-05-03 mainline r187075
118
119         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
120         has_fma4 for AMD processors with both fma3 and fma4 support.
121
122 2012-05-22  Richard Guenther  <rguenther@suse.de>
123
124         PR tree-optimization/53408
125         * tree-vect-loop.c (vectorizable_induction): Properly check
126         the restriction that we cannot handle induction results from
127         the inner loop outside of the outer loop.
128
129 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
130
131         PR tree-optimization/53436
132         * omp-low.c (omp_build_component_ref): New function.
133         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
134
135         PR tree-optimization/53366
136         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
137         tests if complex_numbers == 2, but there are non-complex number loads
138         too.
139
140         PR tree-optimization/53409
141         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
142         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
143
144         PR tree-optimization/53410
145         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
146         instead of build_int_cst (type, 0) where vector types might be
147         involved.
148
149 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
150
151         PR c/53418
152         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
153         from folded operands before wrapping another around the
154         conditional expression.
155
156 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
157             Patrick Marlier  <patrick.marlier@gmail.com>
158
159         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
160         indirect calls.
161
162 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
163
164         Backport from mainline
165         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
166
167         PR target/53416
168         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
169         (UNSPECV_RDRAND): This.
170         (rdrand<mode>_1): Updated.
171
172 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
173
174         Backport from mainline
175         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
176
177         * config/i386/driver-i386.c (host_detect_local_cpu): Support
178         RDRND, F16C and FSGSBASE.
179
180 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
181
182         Backport from mainline
183         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
184
185         * tree-ssa-pre.c (can_value_number_call): Delete.
186         (compute_avail): Skip all statements with side effects.
187         <GIMPLE_CALL>: Skip calls to internal functions.
188
189 2012-05-18  David S. Miller  <davem@davemloft.net>
190
191         Backport r185385 from mainline
192         2012-03-14  Richard Guenther  <rguenther@suse.de>
193
194         PR middle-end/52584
195         * tree-vect-generic.c (type_for_widest_vector_mode): Take
196         element type instead of mode, use build_vector_type_for_mode
197         instead of the langhook, build a vector of proper signedness.
198         (expand_vector_operations_1): Adjust.
199
200 2012-05-18  Olivier Hainque  <hainque@adacore.com>
201
202         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
203         $(libsubdir) as libexecsubdir.
204
205 2012-05-16  Andrew Pinski  <apinski@cavium.com>
206
207         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
208         GIMPLE_ASSIGN.
209
210 2012-05-16  David S. Miller  <davem@davemloft.net>
211
212         * jump.c (delete_related_insns): If we remove a CALL, make sure
213         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
214
215 2012-05-16  Richard Henderson  <rth@redhat.com>
216
217         PR debug/52727
218         * combine-stack-adj.c (prev_active_insn_bb): New.
219         (next_active_insn_bb): New.
220         (force_move_args_size_note): New.
221         (combine_stack_adjustments_for_block): Use it.
222
223 2012-05-16  Olivier Hainque  <hainque@adacore.com>
224
225         * Makefile.in (install-no-fixedincludes): New target, former toplevel
226         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
227         Add comments and improve stamp preservation across the whole sequence.
228         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
229
230 2012-05-16  Richard Guenther  <rguenther@suse.de>
231
232         PR tree-optimization/53364
233         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
234         detect a view-conversion of the decl.
235
236 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
237
238         PR target/53358
239         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
240         that operands[2] is either immediate, or q_regs_operand.
241
242 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
243
244         Backport r187139 from mainline.
245         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
246
247         PR rtl-optimization/52804
248         * reload1.c (reload_reg_reaches_end_p): Check whether successor
249         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
250         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
251         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
252         RELOAD_FOR_OUTADDR_ADDRESS.
253
254 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
255
256         PR target/46098
257         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
258         generate target register for "load" class builtins.
259
260         Revert:
261         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
262
263         PR target/46098
264         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
265         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
266         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
267         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
268         (<sse>_movu<ssemodesuffix>): New expander.
269         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
270         (avx_movdqu<avxmodesuffix>): New expander.
271         (*sse2_movdqu): Rename from sse2_movdqu.
272         (sse2_movdqu): New expander.
273
274 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
275
276         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
277         lineno 1 the same as lineno 0 before first start file directive.
278         (optimize_macinfo_range): Likewise.
279
280         * dwarf2out.c (have_macinfo): Define.
281         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
282         attribute, don't force empty compilation unit and don't emit any
283         .debug_macinfo/.debug_macro section if macinfo_table is empty.
284
285 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
286
287         Backport from mainline
288         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
289
290         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
291         ORDERED and UNORDERED conditions.
292
293 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
294
295         * function.c (requires_stack_frame_p): If the function can throw
296         non-call exceptions, return true if the insn can throw internally.
297
298 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
299
300         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
301         DECL_ORIGINAL_TYPE if it is present.
302
303 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
304
305         Backport from 2012-05-12 mainline r187342.
306
307         PR target/53256
308         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
309         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
310         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
311         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
312         (expand_prologue): Move initialization of cfun->machine->is_naked,
313         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
314         (avr_set_current_function): ...this new static function.
315         (TARGET_SET_CURRENT_FUNCTION): New define.
316         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
317         checking attributes of current_function_decl.
318         (avr_regs_to_save): Ditto.
319         (signal_function_p): Rename to avr_signal_function_p.
320         (interrupt_function_p): Rename to avr_interrupt_function_p.
321
322         * doc/extend.texi (Function Attributes): Better explanation of
323         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
324         alphabetical order.
325
326 2012-05-09  Matthias Klose  <doko@ubuntu.com>
327
328         * gcc-ar.c (main): Don't check for execute bits for the plugin.
329
330 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
331
332         PR target/53272
333         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
334         when a constant source operand matches an "I" constraint, the "no
335         CC0 change" applies to a register-destination only, not a
336         strict_low_part-destination.
337
338 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
339
340         Backport from mainline:
341         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
342
343         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
344
345 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
346
347         PR tree-optimization/53239
348         * tree-vrp.c (get_value_range): Set VR of
349         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
350         to nonnull.
351
352 2012-05-07  Richard Guenther  <rguenther@suse.de>
353
354         PR tree-optimization/53195
355         * tree-inline.c (setup_one_parameter): Properly add referenced
356         vars from the parameters new known value.
357
358 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
359
360         Backport from mainline:
361         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
362
363         PR target/52999
364         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
365         in constant pool.
366
367 2012-05-04  Ian Lance Taylor  <iant@google.com>
368
369         * tree-vect-patterns.c (vect_single_imm_use): Correct return
370         values from false to NULL.
371
372 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
373
374         Backport from mainline
375         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
376
377         PR target/53228
378         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
379         (TARGET_CMOV): Rename from TARGET_CMOVE.
380         (TARGET_CMOVE): New define.
381         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
382         Do not set TARGET_CMOVE here.
383
384 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
385
386         Backport from mainline:
387
388         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
389
390         PR tree-optimization/52633
391         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
392         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
393         (vect_recog_over_widening_pattern): Remove handling of code that was
394         already detected as over-widening pattern.  Remove special handling
395         of "unsigned" cases.  Instead, support general case of conversion
396         of the shift result to another type.
397
398         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
399
400         * tree-vect-patterns.c (vect_single_imm_use): New function.
401         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
402         (vect_recog_over_widening_pattern): Likewise.
403         (vect_recog_widen_shift_pattern): Likewise.
404
405         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
406
407         PR tree-optimization/52870
408         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
409         presumed pattern statement is within the same loop or basic block.
410
411 2012-05-04  Richard Guenther  <rguenther@suse.de>
412
413         * common.opt (flto-report): Do not mark as Optimization.
414
415 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
416
417         PR target/48496
418         * recog.c (constrain_operands): If extra constraints are present, also
419         accept pseudo-registers with equivalent memory locations during reload.
420
421 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
422
423         Backport from the mainline
424         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
425
426         PR target/53199
427         * config/rs6000/rs6000.md (bswapdi splitters): If
428         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
429         default) is used, generate an alternate sequence that does not
430         depend on using indexed addressing.
431
432 2012-05-03  David S. Miller  <davem@davemloft.net>
433
434         PR target/52684
435         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
436         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
437         (sparc_emit_float_lib_cmp): Likewise.
438
439 2012-05-04  Martin Jambor  <mjambor@suse.cz>
440
441         Backport from mainline
442         2012-05-02  Martin Jambor  <mjambor@suse.cz>
443
444         PR lto/52605
445         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
446         of a variable when the contect is a function.
447
448 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
449
450         PR plugins/53126
451         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
452         append program name to it and pass that as first argument
453         to make_relative_prefix.  Always pass standard_libexec_prefix
454         as last argument to make_relative_prefix.  If
455         make_relative_prefix returns NULL, fall back to
456         standard_libexec_prefix.
457
458         PR debug/53174
459         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
460         removed.
461
462         PR target/53187
463         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
464         mode, return that mode.
465
466 2012-05-03  Richard Guenther  <rguenther@suse.de>
467
468         PR tree-optimization/53144
469         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
470         Rename to ...
471         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
472         with SSA name values.
473         (vn_reference_lookup_3): Adjust callers.
474
475 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
476
477         PR tree-optimization/53163
478         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
479         return value from compute_all_dependences.
480
481         PR rtl-optimization/53160
482         * ree.c (combine_reaching_defs): Handle the case where cand->insn
483         has been modified by ree pass already.
484
485 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
486
487         Backport from mainline
488         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
489
490         PR middle-end/53136
491         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
492         calls to cgraph_node_name in xstrdup.
493         (ipa_make_edge_direct_to_target): Ditto.
494         * tree-sra.c (convert_callers_for_node): Ditto.
495         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
496         * ipa-cp.c (perhaps_add_new_callers): Ditto.
497         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
498         (cgraph_materialize_all_clones): Ditto.
499         * ipa-inline.c (report_inline_failed_reason): Ditto.
500         (want_early_inline_function_p): Ditto.
501         (edge_badness): Ditto.
502         (update_edge_key): Ditto.
503         (flatten_function): Ditto.
504         (ipa_inline): Ditto.
505         (inline_always_inline_functions): Ditto.
506         (early_inline_small_functions): Ditto.
507
508 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
509
510         Backport from mainline
511         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
512
513         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
514         Introduce emul_name to select the right linker emulation for
515         powerpc64-*-freebsd*.
516         * configure: Regenerate.
517         * config.gcc: Add bits to support powerpc64-*-freebsd*.
518         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
519         * config/rs6000/freebsd64.h: New file.
520         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
521         POWERPC_FREEBSD.
522         (rs6000_savres_strategy): Likewise.
523         (rs6000_savres_routine_name): Likewise.
524         (rs6000_elf_file_end): Likewise.
525         * config/rs6000/t-freebsd64: New file.
526         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
527         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
528
529 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
530
531         Backport from mainline
532         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
533
534         PR target/53138
535         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
536
537 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
538
539         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
540         predicate to discriminate types.
541
542 2012-04-27  Richard Guenther  <rguenther@suse.de>
543
544         PR c/51527
545         * convert.c (convert_to_integer): Avoid infinite recursion for
546         target-defined built-in types.
547
548 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
549
550         PR target/53120
551         * config/cris/cris.md ("*andhi_lowpart_v32")
552         ("*andqi_lowpart_v32"): Change first input-only operand from
553         a (match_operand ...) to (match_dup 0).  Drop alternatives with
554         const_int-matching constraints for redundancy.
555         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
556         three-operand alternative.
557
558 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
559
560         Backport from mainline
561         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
562
563         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
564         (*addsi_2_zext): Ditto.
565         (*add<mode>_3): Ditto.
566         (*addsi_3_zext): Ditto.
567         (*add<mode>_5): Ditto.
568
569 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
570
571         PR c/52880
572         * c-typeck.c (set_nonincremental_init,
573         set_nonincremental_init_from_string): Pass true instead of false
574         as IMPLICIT to add_pending_init.
575
576 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
577
578         Backport from 2012-04-24 mainline r186768.
579
580         PR target/53065
581         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
582
583 2012-04-24  Richard Guenther  <rguenther@suse.de>
584
585         PR tree-optimization/53085
586         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
587         stores.
588
589 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
590
591         PR middle-end/53084
592         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
593         of MEM_REF.
594         (output_addressed_constants): Likewise.
595
596         PR middle-end/52999
597         * varasm.c (get_section): Don't ICE for section conflicts with
598         built-in section kinds.
599
600 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
601
602         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
603
604 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
605
606         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
607
608 2012-04-23  Richard Guenther  <rguenther@suse.de>
609
610         PR c/53060
611         * c-typeck.c (build_binary_op): Fix typo.
612
613 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
614
615         PR tree-optimizations/52891
616         * tree-vect-patterns.c (adjust_bool_pattern): Use
617         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
618         but with non-standard precision.
619
620 2012-04-22  Ian Lance Taylor  <iant@google.com>
621
622         * godump.c (go_output_typedef): Dump size of structs.
623
624 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
625
626         Backport from mainline:
627
628         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
629         hints for 'A' operand types.
630
631 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
632
633         Backport from 2012-04-19 mainline r186588.
634
635         PR target/53033
636         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
637         the case *(X+const).
638
639 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
640
641         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
642
643 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
644
645         PR target/53020
646         * config/i386/sync.md (atomic_<code><mode>): Rename to
647         atomic_<logic><mode>.
648
649 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
650
651         Backport from mainline
652         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
653
654         PR target/52932
655         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
656         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
657         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
658         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
659         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
660         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
661         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
662         gen_avx2_permvarv8sf.
663
664 2012-04-16  Martin Jambor  <mjambor@suse.cz>
665
666         Backported from mainline
667
668         2012-04-13  Martin Jambor  <mjambor@suse.cz>
669         PR middle-end/52939
670
671         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
672         fold_ctor_reference returns a zero constant.
673
674 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
675
676         Backported from mainline
677         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
678
679         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
680         and __ILP32__ for x32.
681
682 2012-04-13  Tom de Vries  <tom@codesourcery.com>
683
684         Backport from mainline r186418.
685
686         2012-04-13  Tom de Vries  <tom@codesourcery.com>
687
688         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
689         parameters vuse and vuse_escaped.
690         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
691         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
692         vuse1 != vuse2.
693
694 2012-04-13  Richard Guenther  <rguenther@suse.de>
695
696         PR tree-optimization/52969
697         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
698         the condition for the COND_EXPR and handle predicate negation
699         by swapping the COND_EXPR arms.
700
701 2012-04-13  Richard Guenther  <rguenther@suse.de>
702
703         PR c/52862
704         * convert.c (convert_to_pointer): Remove special-casing of
705         zero.
706
707 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
708
709         Backport from mainline
710         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
711
712         PR target/52775
713         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
714         the list of options to enable the FCFID instruction.
715         (TARGET_EXTRA_BUILTINS): Adjust comment.
716
717 2012-04-12  Richard Guenther  <rguenther@suse.de>
718
719         PR tree-optimization/52943
720         * tree-chrec.h (chrec_is_positive): Remove.
721         * tree-scalar-evolution.c (chrec_is_positive): Move ...
722         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
723         Return false for a constant zero instead of negative.
724         (analyze_siv_subscript_cst_affine): Handle zero difference
725         in the initial condition explicitely.
726
727 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
728
729         PR middle-end/52894
730         * varasm.c (process_pending_assemble_externals): Set
731         pending_assemble_externals_processed true.
732         (assemble_external): Call assemble_external_real if the pending
733         assemble externals have been processed.
734
735 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
736
737         PR target/52717
738         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
739         the DECL generated for the special GOT helper.
740
741 2012-04-06  Walter Lee  <walt@tilera.com>
742
743         Backport from mainline
744         2012-03-07  Walter Lee  <walt@tilera.com>
745
746         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
747         REG_CFA_* notes for the stack pointer.
748         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
749         EH_RETURN_STACKADJ_RTX.
750         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
751         generate REG_CFA_* notes for the stack pointer.
752         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
753         by EH_RETURN_STACKADJ_RTX.
754
755 2012-04-06  Matt Turner  <mattst88@gmail.com>
756
757         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
758
759 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
760
761         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
762         of the destination isn't also a FP_REGS register.
763
764 2012-04-03  Richard Guenther  <rguenther@suse.de>
765
766         Backport from mainline
767         2012-03-02  Richard Guenther  <rguenther@suse.de>
768
769         PR tree-optimization/52406
770         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
771         (struct indices): Add unconstrained_base member.
772         (struct dr_alias): Remove unused vops member.
773         (DR_UNCONSTRAINED_BASE): New define.
774         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
775         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
776         be an artificial access that covers the whole indexed object,
777         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
778         plain decl base-objects to their MEM_REF variant.
779         (dr_may_alias_p): When the base-object of either data reference
780         has unknown size use only points-to information.
781         (compute_affine_dependence): Make dumps easier to read and
782         more verbose.
783         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
784         DR_REF when looking for packed references.
785         (vect_supportable_dr_alignment): Likewise.
786
787 2012-04-03  Richard Guenther  <rguenther@suse.de>
788
789         Backport from mainline
790         2012-03-15  Richard Guenther  <rguenther@suse.de>
791
792         PR middle-end/52580
793         * tree-data-ref.c (subscript_dependence_tester_1): Check
794         all dimensions for non-conflicting access functions.
795
796 2012-04-03  Richard Guenther  <rguenther@suse.de>
797
798         Backport from mainline
799         2012-03-06  Richard Guenther  <rguenther@suse.de>
800
801         PR middle-end/52493
802         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
803
804         2012-03-23  Richard Guenther  <rguenther@suse.de>
805
806         PR tree-optimization/52678
807         * tree-vectorizer.h (struct _stmt_vec_info): Add
808         loop_phi_evolution_part member.
809         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
810         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
811         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
812         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
813         Use the cached evolution part and the PHI nodes value from
814         the loop preheader edge instead of re-analyzing the evolution.
815
816         2012-03-26  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/52701
819         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
820         compute and set the evolution part of PHI nodes.
821
822         2012-03-30  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/52754
825         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
826         propagate arbitrary addresses into really plain dereferences.
827
828 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
829
830         PR tree-optimization/52835
831         * tree-data-ref.c (build_rdg): Return NULL if
832         compute_data_dependences_for_loop failed.
833
834 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
835
836         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
837         (stmt_can_make_abnormal_goto): Use it.
838         (is_ctrl_altering_stmt): Likewise.
839
840 2012-03-31  Martin Jambor  <mjambor@suse.cz>
841
842         Backported from mainline
843         2012-03-30  Martin Jambor  <mjambor@suse.cz>
844
845         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
846         is a builtin_stack_save in a dominating BB.
847
848 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
849
850         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
851         crossing 128bit lane boundary.
852
853 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
854
855         Backported from mainline
856         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
857
858         PR target/52698
859         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
860         New prototype.
861         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
862         * config/i386/i386.c: Include reload.h.
863         (ix86_legitimize_reload_address): New function.
864
865 2012-03-28  Martin Jambor  <mjambor@suse.cz>
866
867         Backported from mainline
868         2012-03-27  Martin Jambor  <mjambor@suse.cz>
869
870         PR middle-end/52693
871         * tree-sra.c (sra_modify_assign): Do not call
872         load_assign_lhs_subreplacements when working with an unscalarizable
873         region.
874
875 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
876
877         PR middle-end/52691
878         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
879         __builtin_va_start to __builtin_next_arg if the latter is
880         builtin_decl_explicit_p rather than when it is not.
881
882         PR middle-end/52750
883         * tree-vect-generic.c (vector_element): Perform multiplication
884         for pos in bitsizetype type instead of idx type.
885
886 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
887
888         Backport from 2012-03-28 mainline r185910.
889
890         PR target/52692
891         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
892         (avr_builtin_decl): New static function.
893         (struct avr_builtin_description, avr_bdesc): Move up.
894         Add GTY marker. Add field fndecl. Remove redundant field id.
895         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
896         (avr_expand_builtin): Code cleanup because .id is removed.
897
898 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
899
900         PR middle-end/51893
901         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
902         targets.
903
904 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
905
906         Backport from 2012-03-28 mainline r185907.
907
908         PR target/52737
909         * config.gcc (tm_file): Remove avr/multilib.h.
910
911         * doc/invoke.texi (AVR Options): Adjust
912         documentation of -mtiny-stack.
913
914         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
915         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
916         * config/avr/t-avr: Remove generation of multilib.h.
917         * config/avr/t-multilib: Regenerate.
918         * config/avr/multilib.h: Remove.
919         * config/avr/avr.opt (-msp8): New option.
920         (avr_sp8): New variable.
921         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
922         * config/avr/avr.h (AVR_HAVE_SPH): New define.
923         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
924         (avr_device_to_sp8): New prototype.
925         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
926         (DRIVER_SELF_SPECS): New define.
927         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
928         __AVR_SP8__, __AVR_HAVE_SPH__.
929         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
930         AVR_HAVE_8BIT_SP to decide if SP_H is present.
931         (avr_file_start): Ditto.
932
933 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
934
935         PR target/52736
936         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
937         instead of 8 in adjust_address.
938
939 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
940
941         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
942         of a unit before computing the offset in units.
943
944 2012-03-27  Richard Guenther  <rguenther@suse.de>
945
946         PR middle-end/52720
947         * fold-const.c (try_move_mult_to_index): Handle &x.array more
948         explicitely.
949
950 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
951
952         PR target/52610
953         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
954
955 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
956
957         PR middle-end/52640
958         * varasm.c: Include pointer-set.h.
959         (pending_assemble_externals_set): New pointer set.
960         (process_pending_assemble_externals): Destroy the pointer set.
961         (assemble_external): See if decl is in pending_assemble_externals_set,
962         and add it to pending_assemble_externals if necessary.
963         (init_varasm_once): Allocate pending_assemble_externals_set.
964
965 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
966
967         Backported from mainline
968         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
969
970         PR target/50310
971         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
972         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
973         (vector_ltgt<mode>): Likewise.
974         (vector_ordered<mode>): Likewise.
975         (vector_unordered<mode>): Likewise.
976         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
977
978 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
979
980         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
981         Make static.
982
983 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
984
985         Backported from mainline
986         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
987
988         PR target/48596
989         PR target/48806
990         * config/sh/sh.c (sh_register_move_cost): Increase cost between
991         GENERAL_REGS and FP_REGS for SImode.
992
993 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
994
995         PR middle-end/52547
996         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
997         on any new_local_var_chain vars declared during recursing on
998         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
999
1000 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1001
1002         Backport from 2012-03-22 mainline r185692.
1003
1004         PR target/52496
1005         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1006         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1007         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1008         (delay_cycles_1, delay_cycles_2): Ditto.
1009         (delay_cycles_3, delay_cycles_4): Ditto.
1010         (nopv, *nopv): Ditto.
1011         (sleep, *sleep): Ditto.
1012         (wdr, *wdr): Ditto.
1013
1014         Backport from 2012-03-21 mainline r185605.
1015
1016         PR rtl-optimization/52543
1017         PR target/52461
1018         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1019         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1020         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1021         (avr_load_libgcc_p): Restrict to __flash loads.
1022         (avr_out_lpm): Only handle 1-byte loads from __flash.
1023         (avr_load_lpm): New function.
1024         (avr_find_unused_d_reg): Remove.
1025         (avr_out_lpm_no_lpmx): Remove.
1026         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1027         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1028         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1029         (load_<mode>, load_<mode>_clobber): New insns.
1030         (mov<mode>): For multi-byte move from non-generic
1031         16-bit address spaces: Expand to load_<mode> resp.
1032         load_<mode>_clobber.
1033         (load<mode>_libgcc): Remove expander.
1034         (split-lpmx): Remove split.
1035
1036         Backport from 2012-03-13 mainline r185329.
1037
1038         PR target/52488
1039         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1040         offset (size) to a value the insns can deal with.
1041         (expand_epilogue): Ditto.
1042
1043         Backport from 2012-03-12 mainline r185256.
1044
1045         PR target/52499
1046         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1047         type from reg_class_t to enum reg_class.
1048         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1049
1050         Backport from 2012-03-12 mainline r185253.
1051
1052         PR target/52148
1053         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1054         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1055         r184615 from 2012-02-28.
1056
1057         Backport from 2012-03-08 mainline r185105.
1058
1059         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1060         for constants in [-63,63].
1061
1062         Backport from 2012-03-08 mainline r185100.
1063
1064         PR target/52496
1065         * config/avr/avr.c (avr_mem_clobber): New static function.
1066         (avr_expand_delay_cycles): Add memory clobber operand to
1067         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1068         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1069         (enable_interrupt, disable_interrupt): New expander.
1070         (nopv, sleep, wdr): New expanders.
1071         (delay_cycles_1): Add memory clobber.
1072         (delay_cycles_2): Add memory clobber.
1073         (delay_cycles_3): Add memory clobber.
1074         (delay_cycles_4): Add memory clobber.
1075         (cli_sei): New insn from former "enable_interrupt",
1076         "disable_interrupt" with memory clobber.
1077         (*wdt): New insn from former "wdt" with memory clobber.
1078         (*nopv): Similar, but for "nopv".
1079         (*sleep): Similar, but for "sleep".
1080
1081         Backport from 2012-03-07 mainline r185043.
1082
1083         PR target/52484
1084         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1085
1086         Backport from 2012-03-07 mainline r185032.
1087
1088         PR target/52506
1089         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1090         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1091         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1092
1093         Backport from 2012-03-07 mainline r185031.
1094
1095         PR target/52505
1096         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1097         from RAM.
1098         * config/avr/avr.md (xload_8): Adjust insn length.
1099
1100         Backport from 2012-03-07 mainline r185030.
1101
1102         PR target/52461
1103         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1104         if RAMPZ affects reading from RAM.
1105
1106         Backport from 2012-03-05 mainline r184919.
1107
1108         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1109
1110 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1111
1112         Backport from mainline r185259.
1113
1114         PR other/52545
1115         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1116         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1117
1118 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1119
1120         Backported from mainline
1121         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1122
1123         PR c/52577
1124         * c-parser.c (c_parser_postfix_expression)
1125         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1126
1127         * config/i386/smmintrin.h: Avoid /* within a comment.
1128         * config/i386/nmmintrin.h: Likewise.
1129
1130 2012-03-22  Richard Guenther  <rguenther@suse.de>
1131
1132         * BASE-VER: Set to 4.7.1.
1133         * DEV-PHASE: Set to prerelease.
1134
1135 2012-03-22  Release Manager
1136
1137         * GCC 4.7.0 released.
1138
1139 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1140
1141         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1142
1143 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1144             Andrew Pinski  <apinski@cavium.com>
1145
1146         PR middle-end/52592
1147         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1148         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1149         calls instead of __builtin_ir{int,ound}*.
1150
1151 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1152
1153         PR c++/52582
1154         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1155         if c_node is NULL.
1156
1157 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1158
1159         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1160         Refer to GCC 4.7 version of c99status.html.
1161
1162 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1163
1164         Backport from mainline
1165         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1166
1167         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1168         redefine to be NULL if the current bit-size is different from the
1169         configured bit-size.
1170
1171         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1172         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1173         set the default tuning.  Add asserts to make sure the cpu and tune
1174         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1175         test whether the index is set, instead of > 0.
1176         (rs6000_file_start): Do not reset the default cpu if the current
1177         bit-size is different from the configured bit-size.
1178
1179 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1180
1181         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1182         binutils reference.
1183         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1184         Update binutils references.
1185         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1186         Update binutils reference.
1187         Update Sun as/GNU ld caveat.
1188         Document binutils largefile requirement for LTO plugin.
1189         Remove reference to alternate libpthread.
1190
1191 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1192
1193         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1194         reference.
1195         (Specific, mips-sgi-irix6): Likewise.
1196
1197 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1198
1199         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1200         * configure: Regenerate.
1201
1202 2012-03-07  Richard Henderson  <rth@redhat.com>
1203
1204         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1205         * config/m68k/sync.md (atomic_test_and_set): Use it.
1206         (atomic_test_and_set_1): Likewise.
1207
1208 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1209
1210         PR target/51417
1211         * Makefile.in: Let install-gcc-ar depend on installdirs,
1212         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1213         Don't double canonicalize if cross-compiling.
1214
1215 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1216
1217         * trans-mem.c: New typedef for tm_region_p.
1218         Define vector types for tm_region_p.
1219         (tm_region_init): Replace region_worklist to a vector called
1220         bb_regions.
1221
1222 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1223
1224         PR middle-end/52463
1225         * trans-mem.c (tm_region_init): Use last_basic_block.
1226
1227 2012-03-05  Richard Henderson  <rth@redhat.com>
1228
1229         PR tree-opt/52242
1230         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1231         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1232         BIGGEST_ALIGNMENT is aligned.
1233
1234 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1235
1236         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1237
1238 2012-03-05  Richard Henderson  <rth@redhat.com>
1239
1240         PR target/52481
1241         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1242         instead of calling negqi2 directly.
1243
1244 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1245
1246         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1247         (INTMAX_TYPE): Use it.
1248         (UINTMAX_TYPE): Likewise.
1249         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1250         (irix6_c_common_override_options): Declare.
1251         (C_COMMON_OVERRIDE_OPTIONS): Define.
1252         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1253         * config/mips/irix6-c.c: New file.
1254         * config/mips/t-irix6 (irix6-c.o): New target.
1255         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1256         cxx_target_objs.
1257
1258 2012-03-02  Richard Henderson  <rth@redhat.com>
1259
1260         * optabs.c (expand_atomic_test_and_set): Honor
1261         atomic_test_and_set_trueval even when atomic_test_and_set
1262         optab is not in use.
1263
1264 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1265
1266         Backport from mainline
1267         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1268
1269         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1270
1271 2012-03-02  Richard Guenther  <rguenther@suse.de>
1272
1273         * DEV-PHASE: Set to prerelease.
1274
1275 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1276
1277         * config.gcc (obsolete): Add all ARM targets using the FPA.
1278         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1279         * doc/install.texi: Avoid references to obsolete ARM ports.
1280
1281 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1282
1283         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1284
1285 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1286             Joern Rennecke  <joern.rennecke@embecosm.com>
1287
1288         * doc/extend.texi: Expand and update information on interrupt
1289         attribute for Epiphany.
1290
1291 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1292
1293         * config/sh/sh-protos.h: Update copyright notice dates.
1294         * config/sh/sh.h: Likewise.
1295         * config/sh/sh.md: Likewise.
1296         * config/sh/constraints.md: Likewise.
1297         * config/sh/predicates.md: Likewise.
1298
1299 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1300
1301         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1302         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1303
1304 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1305
1306         * config/sh/constraints.md: Fix comment typo.
1307
1308 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1309
1310         PR target/52408
1311         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1312         unsigned HOST_WIDE_INT.
1313         (zvdep_imm64): Likewise.
1314         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1315         (vdepi_and): Likewise.
1316         Likewise for unamed 64-bit patterns.
1317         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1318
1319 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1320
1321         PR debug/52001
1322         PR rtl-optimization/52417
1323         * cselib.c (cselib_any_perm_equivs): New variable.
1324         (cselib_reset_table): Check that it's not set when not
1325         preserving constants.
1326         (cselib_add_permanent_equiv): Set it.
1327         (cselib_have_permanent_equivalences): New.
1328         (cselib_init, cselib_finish): Reset it.
1329         * cselib.h (cselib_have_permanent_equivalences): Declare.
1330         * alias.c (get_addr): Restore earlier behavior when there
1331         aren't permanent equivalences.
1332
1333 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1334
1335         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1336         * config/v850/v850-modes.def: Fix copyright notice.
1337
1338 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1339
1340         * doc/extend.texi (AVR Built-in Functions): Document
1341         __builtin_avr_flash_segment.
1342
1343         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1344         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1345         (*split.flash_segment): New insn-and-split.
1346         * config/avr/avr.c (avr_init_builtins): Add local variables:
1347         const_memx_void_node, const_memx_ptr_type_node,
1348         char_ftype_const_memx_ptr.
1349
1350 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR tree-optimization/52445
1353         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1354         add ssa_name_ver, offset and size fields and change store field
1355         to bool.
1356         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1357         (add_or_mark_expr): Likewise.  Only consider previous stores
1358         with the same size and offset.
1359         (nt_init_block): Only look at gimple_assign_single_p stmts,
1360         doesn't look at rhs2.
1361
1362 2012-03-01  Richard Guenther  <rguenther@suse.de>
1363
1364         PR middle-end/52443
1365         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1366         conversions from integral types to pointer types.
1367
1368 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1369
1370         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1371         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1372         unintentionally removed in r184616.
1373
1374 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1375
1376         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1377         3DNow from bdver1.
1378
1379 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1380             Uros Bizjak  <ubizjak@gmail.com>
1381
1382         PR target/52437
1383         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1384         alternatives, add "e" constraint to the new last alternative
1385         and ! to last 3 alternatives.
1386
1387 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1388
1389         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1390         DW_AT_artificial attributes at the end of the processing.
1391         (gen_array_type_die): Likewise.
1392         (gen_enumeration_type_die): Likewise.
1393         (gen_struct_or_union_type_die): Likewise.
1394         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1395         the parent type.
1396
1397 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1398
1399         PR middle-end/52419
1400         * expr.c (expand_assignment): If doing misaligned store that doesn't
1401         cover all mode bits, perform a RMW cycle.
1402
1403         PR tree-optimization/52429
1404         * tree-parloops.c (separate_decls_in_region_debug): Return early
1405         if var is LABEL_DECL.
1406
1407 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1408
1409         PR tree-optimization/52424
1410         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1411         calling dom_thread_across_edge.
1412
1413 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1414
1415         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1416
1417 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1418
1419         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1420         * config/avr/avr.c (avr_output_bld): Remove unused function.
1421         (avr_out_sbxx_branch): Use "%T" to print bit position.
1422
1423 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1424
1425         * config/avr/avr.md: Untabify.
1426
1427 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1428
1429         * config/avr/avr.md (eqne): New code iterator.
1430         (*dec-and-branchsi): Use it in text peephole's condition.
1431         (*dec-and-branchhi): Ditto.
1432         (*dec-and-branchqi): Ditto.
1433
1434 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1435
1436         PR target/49939
1437         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1438         the device does not have the skip-bug.
1439
1440 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1441
1442         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1443         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1444         -mpretend-cmove): New.
1445
1446 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1447
1448         PR bootstrap/52397
1449         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1450         doesn't count DEBUG_INSN refs.
1451         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1452         for DEBUG_INSN refs.
1453
1454 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1455
1456         Partially revert:
1457
1458         2012-02-20  Richard Guenther  <rguenther@suse.de>
1459         PR tree-optimization/52298
1460         * tree-vect-stmts.c (vectorizable_load): Properly use
1461         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1462         outer loops.
1463
1464 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1465
1466         PR middle-end/51752
1467         * gimple.h (gimple_in_transaction): New.
1468         (gimple_set_in_transaction): New.
1469         (struct gimple_statement_base): Add in_transaction field.
1470         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1471         transaction loads.
1472         (tree_ssa_lim_initialize): Compute transaction bits.
1473         * tree.h (compute_transaction_bits): Protoize.
1474         * trans-mem.c (tm_region_init): Use the heap to store BB
1475         auxilliary data.
1476         (compute_transaction_bits): New.
1477
1478 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1479
1480         * gcc.c (display_help): Document --help=common and sort entries
1481         alphabetically.
1482
1483 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1484
1485         * doc/install.texi: Document check-$LANG specific shortcuts
1486
1487 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1488
1489         PR target/51534
1490         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1491         and vcgtu.
1492         * config/arm/arm_neon.h: Regenerate.
1493         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1494         (neon_vcgeu): New insn.
1495         (neon_vcgtu): Likewise.
1496         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1497         (ops): Unsigned comparison intrinsics call a different
1498         builtin.
1499
1500 2012-02-28  Richard Guenther  <rguenther@suse.de>
1501
1502         PR target/52407
1503         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1504         ordering for the VEC_CONCAT for two element vectors for
1505         V2SFmode, V2SImode and V2DImode.
1506
1507 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1508
1509         PR target/49448
1510         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1511         detecting big-endian triplets.
1512
1513 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1514
1515         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1516         mode if there is no type information available.
1517
1518 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1519
1520         PR tree-optimization/53207
1521         * doc/invoke.texi: Document as experimental and relying on graphite.
1522
1523 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1524
1525         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1526         of initializer to changes from r184614.
1527
1528 2012-02-28  Richard Guenther  <rguenther@suse.de>
1529
1530         PR tree-optimization/52395
1531         * tree-sra.c (build_ref_for_offset): Also look at the base
1532         TYPE_ALIGN when figuring out the alignment of the replacement.
1533
1534 2012-02-28  Richard Guenther  <rguenther@suse.de>
1535
1536         PR tree-optimization/52402
1537         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1538         mis-aligned types when creating the accesses at the call site.
1539
1540 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1541
1542         * config/avr/builtins.def: New file.
1543         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1544         * config/avr/avr.c (enum avr_builtin_id): Use it.
1545         (avr_init_builtins): Use it. And use avr_bdesc.
1546         (bdesc_1arg): Remove.
1547         (bdesc_2arg): Remove.
1548         (bdesc_3arg): Remove.
1549         (struct avr_builtin_description): Add field n_args.
1550         (avr_bdesc): New static variable using builtins.def.
1551         (avr_expand_builtin): Use it.
1552         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1553         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1554         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1555
1556 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1557
1558         PR target/52148
1559         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1560         match only one single hard register with respective hard reg rtx.
1561         (movmemx_<mode>): Ditto.
1562         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1563         insn anatomy of movmem[x]_<mode>.
1564         (avr_out_movmem): Same for printing assembler and operand usage.
1565
1566 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1567
1568         PR target/49868
1569         PR target/52261
1570         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1571         address spaces located outside of device flash.
1572
1573         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1574         (mcu_type_s): Add field n_flash.
1575         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1576         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1577         (AVR_MCU): Add N_FLASH argument.
1578         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1579         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1580         macro __FLASH<n> if that address space makes sense for the device.
1581         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1582         outside of target flash.
1583         (avr_asm_named_section): Ditto.
1584         (avr_asm_select_section): Ditto.
1585         (avr_addr_space_convert): Ditto.
1586         (avr_emit_movmemhi): Ditto.
1587         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1588         address space is outside of device flash.
1589         (avr_insert_attributes): Ditto.
1590         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1591         avr_current_arch->n_segments.
1592
1593 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1594
1595         PR target/52352
1596         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1597         TARGET_LP64.
1598         (*movabs<mode>_2): Likewise.
1599
1600 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1601
1602         PR target/52375
1603         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1604         s_register_operand in the test instead of REG_P.  Don't call
1605         gen_reg_rtx if it won't be used.
1606
1607         PR tree-optimization/52376
1608         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1609
1610 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1611
1612         * ifcvt.c (noce_get_condition): Check condition variable is not
1613         small_register_classes_for_mode_p before accepting.
1614
1615 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1616
1617         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1618
1619 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1620
1621         Revert:
1622         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1623         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1624         tuning parameters.
1625         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1626
1627 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1628
1629         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1630
1631 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1632
1633         * config/sh/predicates.md: Remove blank lines.
1634         * config/sh/sh.c: Fix typos in comments.
1635         * config/sh/constraints.md: Likewise.
1636         * config/sh/sh.md: Remove blank lines.
1637         Fix typos in comments.  Use ;; as comment characters.
1638
1639 2012-02-26  Walter Lee  <walt@tilera.com>
1640
1641         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1642         (replace_mov_pcrel_step2): Ditto.
1643
1644 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1645
1646         PR debug/52001
1647         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1648         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1649         and locs that reference values newer than the non-canonical value
1650         at hand.  Return the canonical value as a worst case.
1651         (memrefs_conflict_p): Walk canonical value's locs.
1652
1653         PR debug/52001
1654         * cselib.c (preserve_only_constants): Rename to...
1655         (preserve_constants_and_equivs): ... this.  Split out...
1656         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1657         of other preserved expressions too.
1658         (cselib_reset_table): Adjust.
1659         * var-tracking.c (reverse_op): Use canonical value to build
1660         reverse operation.
1661
1662 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1663
1664         * config/i386/i386.c (ix86_delegitimize_address): Handle
1665         UNSPEC_PCREL plus displacement.
1666
1667 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1668
1669         PR target/52261
1670         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1671         to test for unusedness in st X addressing.
1672
1673 2012-02-24  Richard Guenther  <rguenther@suse.de>
1674
1675         PR middle-end/52361
1676         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1677         (is_gimple_reg_type): Move inline ...
1678         * gimple.h (is_gimple_reg_type): ... here.
1679
1680 2012-02-24  Richard Guenther  <rguenther@suse.de>
1681
1682         PR middle-end/52361
1683         * passes.c (execute_function_todo): When verifying SSA form
1684         verify gimple form first.
1685         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1686
1687 2012-02-24  Richard Guenther  <rguenther@suse.de>
1688
1689         PR middle-end/52355
1690         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1691         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1692
1693 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1694
1695         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1696
1697 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1698
1699         * tree-phinodes.c (make_phi_node): Mark static.
1700         * tree-flow.h (make_phi_node): Remove extern decl.
1701         * doc/gimple.texi (make_phi_node): Remove documentation.
1702
1703 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1704
1705         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1706         * tree-ssa-sccvn.c (print_scc): Ditto.
1707
1708 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1709
1710         * doc/passes.texi (Full redundancy elimination): Fix typo.
1711
1712 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1713
1714         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1715
1716 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1717
1718         PR bootstrap/52287
1719         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1720
1721 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1722
1723         PR c/52290
1724         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1725
1726 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1727
1728         * config/avr/avr.md (code_stdname): Add ior, xor.
1729         (xior): New code iterator.
1730         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1731         (*<code_stdname><mode>qi.byte1-3): Ditto.
1732
1733 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1734
1735         PR tree-optimization/52019
1736         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1737         CLOBBER stmts.
1738
1739 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1740
1741         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1742         HAVE_INITFINI_ARRAY to work around namespace pollution in
1743         certain versions of newlib system headers.
1744         * config.in: Regenerate.
1745         * configure: Regenerate.
1746         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1747         instead of HAVE_INITFINI_ARRAY.
1748
1749 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1750
1751         PR target/52330
1752         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1753         is not offsettable memory reference.
1754
1755 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1756
1757         PR target/18145
1758         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1759         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1760
1761 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1762
1763         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1764         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1765
1766 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1767
1768         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1769         library on Solaris 8 even without TLS support.
1770         * configure: Regenerate.
1771
1772 2012-02-22  Richard Guenther  <rguenther@suse.de>
1773
1774         PR middle-end/52329
1775         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1776         for GIMPLE_DEBUG stmts.
1777
1778 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1779
1780         PR middle-end/51782
1781         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1782         according to the base object.
1783
1784 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1785
1786         PR rtl-optimization/50063
1787         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1788         and 2 (8-bit SP) in operand 2.
1789         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1790         setup to use movhi_sp_r instead of vanilla move to write SP.
1791         Adjust REG_CFA notes to superseed unspec.
1792         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1793         of vanilla move.
1794         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1795         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1796         irq_state 1 (IRQ known to be on) here.
1797
1798 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1799
1800         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1801         WORDS_BIG_ENDIAN.
1802         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1803         assign_hard_reg): Likewise.
1804
1805 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1806
1807         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1808
1809 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1810
1811         * config/avr/avr.md
1812         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1813         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1814
1815 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1816
1817         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1818         prototype from here to...
1819         * config/avr/avr.h: ...here.
1820
1821 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1822
1823         PR target/52294
1824         * thumb2.md (thumb2_shiftsi3_short): Split register and
1825         immediate shifts.  For register shifts tie operands 0 and 1.
1826         (peephole2 for above): Check that register-controlled shifts
1827         have suitably tied operands.
1828
1829 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1830
1831         PR target/52137
1832         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1833         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1834         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1835         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1836         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1837         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1838         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1839         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1840         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1841         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1842         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1843         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1844         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1845         bdver1_ssevector_avx256_unaligned_load,
1846         bdver1_ssevector_sse128_unaligned_load,
1847         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1848         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1849         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1850         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1851         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1852         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1853         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1854         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1855         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1856         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1857         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1858         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1859         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1860         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1861         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1862         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1863         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1864         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1865         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1866         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1867         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1868         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1869         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1870         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1871         bdver1_ssediv_double_load, bdver1_ssediv_double,
1872         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1873         Add "bdver2" attribute.
1874
1875 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1876
1877         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1878         default if possible and not specified otherwise.
1879
1880 2012-02-21  Richard Guenther  <rguenther@suse.de>
1881
1882         PR middle-end/52314
1883         * gimplify.c (create_tmp_from_val): Use the main variant type
1884         for the type of the temporary we create.
1885
1886 2012-02-21  Richard Guenther  <rguenther@suse.de>
1887
1888         PR tree-optimization/52324
1889         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1890         do not gimplify a MEM_REF address operand if it is already
1891         in suitable form.
1892
1893 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1894
1895         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1896         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1897
1898 2012-02-21  Richard Guenther  <rguenther@suse.de>
1899
1900         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1901         nested_in_vect_loop.
1902
1903 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1904
1905         PR tree-optimization/52318
1906         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1907         vdef also to non-pure/const call stmts in the sequence.
1908
1909 2012-02-20  David S. Miller  <davem@davemloft.net>
1910
1911         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1912         don't use the "rd %pc" instruction on v9 for PIC register loads.
1913
1914 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1915
1916         PR middle-end/52141
1917         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1918         in a transaction safe function.
1919
1920 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1921
1922         PR target/52238
1923         * stor-layout.c (place_field): Handle desired_align for
1924         ms-bitfields, too.
1925
1926 2012-02-20  Richard Guenther  <rguenther@suse.de>
1927
1928         PR tree-optimization/52298
1929         * tree-vect-stmts.c (vectorizable_store): Properly use
1930         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1931         outer loops.
1932         (vectorizable_load): Likewise.
1933         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1934         Access DR_STEP after ensuring it is not NULL.
1935
1936 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR tree-optimization/52286
1939         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1940         optimization use double_int_to_tree instead of build_int_cst_wide,
1941         rewrite to use double_int vars.
1942
1943 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1944
1945         PR target/50166
1946         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1947         Define _start.
1948         Remove -e 0 from $gcc_cv_ld invocation.
1949         Only use __GLIBC_PREREQ if defined.
1950         Enable on Solaris since Solaris 8 patch.
1951         (gcc_SUN_LD_VERSION): New macro.
1952         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1953         gcc_SUN_LD_VERSION for version number format.
1954         * configure: Regenerate.
1955         * varasm.c (get_elf_initfini_array_priority_section): Set
1956         SECTION_NOTYPE for non-default priority.
1957         Use get_section instead of get_unnamed_section to emit
1958         .init_array/.fini_array with default priority.
1959
1960 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1961
1962         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1963         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1964         (mips_start_unique_function, mips_output_mips16_rdhwr)
1965         (mips_code_end): New functions.
1966         (TARGET_ASM_CODE_END): Define.
1967
1968 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1969
1970         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1971         to stubs with non-sibling calls.
1972
1973 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1974
1975         * doc/invoke.texi (-fira-* options): Copy-edit.
1976         (ira-* parameters): Copy-edit.
1977
1978 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1979
1980         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1981         GCC coding conventions.
1982
1983 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1984
1985         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1986         when used as adjectives.
1987
1988 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1989
1990         * doc/invoke.texi: Clean up "that"/"which" confusion.
1991
1992 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1993
1994         * system.h: Poison SMALL_REGISTER_CLASSES
1995         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1996         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1997
1998 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1999
2000         PR tree-optimization/52285
2001         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2002         when deciding if a call is a tail call or tail recursion.
2003
2004 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2005
2006         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2007         interger-constant displacement for UNSPEC_PCREL.
2008
2009 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2010
2011         PR rtl-optimization/52208
2012         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2013         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2014
2015         PR tree-optimization/52255
2016         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2017         loop->header has virtual PHI, but exit_e->dest doesn't, add
2018         virtual PHI to exit_e->dest and adjust all uses after the loop.
2019
2020         PR debug/52260
2021         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2022         children with clone_tree_hash, not after it.
2023
2024 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2025
2026         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2027         extended identifiers.
2028
2029 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR middle-end/51929
2032         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2033         a same_body_alias, also test whether e->callee isn't a former
2034         or current clone of the decl this is a same body alias of.
2035
2036         PR translation/52264
2037         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2038
2039 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2040
2041         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2042
2043 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2044
2045         PR target/52199
2046         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2047         force_reg instead of copy_to_reg for better optimization.  Force
2048         non-register or memory operands into a register.
2049
2050 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2051
2052         * extend.texi: Reserve upper bits of memory model for future use.
2053
2054 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2055             Anatoly Sokolov <aesok@post.ru>
2056             Eric Weddington <eric.weddington@atmel.com>
2057
2058         PR target/52261
2059         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2060         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2061         Rewrite initializers for .macro.
2062         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2063         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2064         atxmega32d4, atxmega32x1.
2065         avrxmega4: atxmega64a3, atxmega64d3.
2066         avrxmega5: atxmega64a1, atxmega64a1u.
2067         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2068         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2069         avrxmega7: atxmega128a1, atxmega128a1u.
2070         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2071         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2072         (struct base_arch_s): Rename reserved to xmega_p.
2073         Rename reserved2 to have_rampd.
2074         (AVR_XMEGA): New define.
2075         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2076         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2077         * config/avr/predicates.md (io_address_operand): Take into
2078         account SFR offset.
2079         (low_io_address_operand): Ditto.
2080         (high_io_address_operand): Ditto.
2081         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2082         (enabled, movhi_sp_r): Use them.
2083         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2084         cpp_define_formatted to built-in define __AVR_ARCH__.
2085         (__AVR_XMEGA__): New built-in define.
2086         (__AVR_HAVE_RAMPD__): New built-in define.
2087         (__AVR_HAVE_RAMPX__): New built-in define.
2088         (__AVR_HAVE_RAMPY__): New built-in define.
2089         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2090
2091         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2092         (avr_option_override): Initialize them.
2093         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2094         (avr_init_expanders): Initialize them. No more block several calls.
2095         (emit_push_sfr): New static function.
2096         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2097         Handle AVR_XMEGA.
2098         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2099         (avr_print_operand): Print addreeses as symbols for
2100         RAMPX, RAMPY, RAMPD, CCP.
2101         (output_movhi): Handle AVR_XMEGA when writing to SP.
2102         (avr_out_movhi_mr_r_xmega): New static function.
2103         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2104         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2105         __RAMPD__,  __CCP__ as needed.
2106
2107         * config/avr/multilib.h: Regenerate.
2108         * config/avr/t-multilib: Regenerate.
2109         * config/avr/avr-tables.opt: Regenerate.
2110
2111 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2112
2113         PR tree-optimization/50561
2114         * graphite-flattening.c (lst_project_loop): Do not
2115         remove old scattering dimensions after flattening.
2116         (lst_do_flatten): Likewise.
2117
2118 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2119
2120         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2121         __builtin_avr_map8, __builtin_avr_map16.
2122         Document __builtin_avr_insert_bits.
2123
2124         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2125         (insert_bits): New insn.
2126         (adjust_len.map_bits): Rename to insert_bits.
2127         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2128         * avr-protos.h (avr_out_map_bits): Remove.
2129         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2130         * config/avr/constraints.md (Cxf,C0f): New.
2131         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2132         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2133         New built-in define __BUILTIN_AVR_INSERT_BITS.
2134         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2135         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2136         (avr_move_bits): Rewrite.
2137         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2138         functions.
2139         (avr_map_op_t): New typedef.
2140         (avr_map_op): New static variable.
2141         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2142         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2143         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2144         (bdesc_3arg, avr_expand_triop_builtin): New.
2145         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2146         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2147         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2148         (avr_map_equal_p, avr_map_sig_p): Remove.
2149         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2150         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2151         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2152         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2153         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2154         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2155
2156 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2157
2158         * config/c6x/c6x.md (reserve_cycles): New attribute.
2159         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2160         don't reserve functional units after the branch occurs.
2161
2162 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2163
2164         PR middle-end/52142
2165         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2166         functions into non-tm_pure functions.
2167
2168 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2169
2170         PR lto/52178
2171         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2172         (iterative_hash_canonical_type): Likewise.
2173         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2174         the dead edges.
2175
2176 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2177
2178         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2179         sched-group insn, it either remains alone or the entire list is pruned.
2180
2181 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2182
2183         * doc/install.texi (Prerequisites): Fix grammar.
2184         (Configuration): Likewise.
2185
2186 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2187
2188         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2189         MPC as part of GCC before describing configuring with --with-gmp etc.
2190         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2191         sources are present.
2192
2193 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2194
2195         PR debug/51950
2196         * dwarf2out.c (clone_tree_hash): New function.
2197         (copy_decls_walk): Use it instead of clone_tree.
2198
2199 2012-02-14  Richard Guenther  <rguenther@suse.de>
2200
2201         PR tree-optimization/52244
2202         PR tree-optimization/51528
2203         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2204         replacements for integral types.
2205
2206 2012-02-14  Walter Lee  <walt@tilera.com>
2207
2208         * config.gcc: Handle tilegx and tilepro.
2209         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2210         tilegx and tilepro.
2211         Add HAVE_AS_TLS check for tilegx and tilepro.
2212         * configure: Regenerate.
2213         * doc/contrib.texi: Add Mat Hostetter and self.
2214         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2215         Document instruction intrinsics and network accessing intrinsics.
2216         (TILEPro Built-in Functions): New node.  Document instruction
2217         intrinsics and network accessing intrinsics.
2218         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2219         (Specific, tilepro-*-linux*): Likewise.
2220         * doc/invoke.texi (TILE-Gx Options): New section.
2221         (TILEPro Options): New section.
2222         * doc/md.texi (TILE-Gx): New section.
2223         (TILEPro): New section.
2224         * common/config/tilegx/tilegx-common.c: New file.
2225         * common/config/tilepro/tilepro-common.c: New file.
2226         * config/tilegx/constraints.md: New file.
2227         * config/tilegx/linux.h: New file.
2228         * config/tilegx/mul-tables.c: New file.
2229         * config/tilegx/predicates.md: New file.
2230         * config/tilegx/sync.md: New file.
2231         * config/tilegx/t-tilegx: New file.
2232         * config/tilegx/tilegx-builtins.h: New file.
2233         * config/tilegx/tilegx-c.c: New file.
2234         * config/tilegx/tilegx-generic.md: New file.
2235         * config/tilegx/tilegx-modes.def: New file.
2236         * config/tilegx/tilegx-multiply.h: New file.
2237         * config/tilegx/tilegx-protos.h: New file.
2238         * config/tilegx/tilegx.c: New file.
2239         * config/tilegx/tilegx.h: New file.
2240         * config/tilegx/tilegx.md: New file.
2241         * config/tilegx/tilegx.opt: New file.
2242         * config/tilepro/constraints.md: New file.
2243         * config/tilepro/gen-mul-tables.cc: New file.
2244         * config/tilepro/linux.h: New file.
2245         * config/tilepro/mul-tables.c: New file.
2246         * config/tilepro/predicates.md: New file.
2247         * config/tilepro/t-tilepro: New file.
2248         * config/tilepro/tilepro-builtins.h: New file.
2249         * config/tilepro/tilepro-c.c: New file.
2250         * config/tilepro/tilepro-generic.md: New file.
2251         * config/tilepro/tilepro-modes.def: New file.
2252         * config/tilepro/tilepro-multiply.h: New file.
2253         * config/tilepro/tilepro-protos.h: New file.
2254         * config/tilepro/tilepro.c: New file.
2255         * config/tilepro/tilepro.h: New file.
2256         * config/tilepro/tilepro.md: New file.
2257         * config/tilepro/tilepro.opt: New file.
2258
2259 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2260
2261         PR tree-optimization/52210
2262         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2263         vect_model_simple_cost with two entry vect_def_type array instead
2264         of an address of dt.
2265
2266 2012-02-14  Richard Guenther  <rguenther@suse.de>
2267
2268         PR lto/52178
2269         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2270         Do not stream DECL_QUALIFIER.
2271         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2272         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2273         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2274
2275 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2276
2277         PR c/52181
2278         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2279         newdecl.
2280
2281 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2282
2283         PR bootstrap/52172
2284         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2285         * cselib.c (cselib_subst_to_values_from_insn): New function.
2286         * sched-deps.c (add_insn_mem_dependence,
2287         sched_analyze_1, sched_analyze_2): Use it.
2288
2289 2012-02-13  Jan Hubicka  <jh@suse.cz>
2290
2291         PR middle-end/52214
2292         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2293
2294 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2295
2296         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2297         (GTM_SELF_SPECS): Define if not already defined.
2298         (driver_self_specs): Add GTM_SELF_SPECS.
2299         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2300         (GTM_SELF_SPECS): Define.
2301         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2302         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2303
2304 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2305
2306         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2307         away if seen.
2308
2309         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2310
2311         PR middle-end/52230
2312         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2313         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2314
2315 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2316
2317         PR c/52190
2318         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2319
2320 2012-02-13  Richard Guenther  <rguenther@suse.de>
2321
2322         PR translation/52211
2323         * passes.c (enable_disable_pass): Fix typo.
2324
2325 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2326
2327         PR middle-end/52209
2328         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2329         XOR for reduce_bit_field if type is unsigned.
2330
2331 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2332
2333         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2334         disallow changes from SFmode to mode with different size in FP regs.
2335
2336 2012-02-12  Robert Millan  <rmh@gnu.org>
2337             Gerald Pfeifer <gerald@pfeifer.com>
2338
2339         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2340         Tweak comment.
2341
2342 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2343
2344         PR rtl-optimization/52175
2345         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2346         to frame-related instructions.
2347
2348 2012-02-10  Jason Merrill  <jason@redhat.com>
2349
2350         PR c++/51910
2351         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2352         (demangle_new_symbols): Fill it.
2353         (scan_linker_output): Walk it.
2354         (start_tweaking): Split out from scan_linker_output.
2355         (maybe_tweak): Update sym->chosen.
2356         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2357
2358 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR debug/52132
2361         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2362
2363 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2364
2365         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2366         having the same mode as previous compare.
2367
2368 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2369
2370         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2371         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2372         (nonlocal_goto_internal): Likewise.
2373         (nonlocal_goto): Emit a use and an indirect jump directly.
2374
2375 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2376
2377         PR c/52190
2378         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2379         __atomic_{is,always}_lock_free.
2380
2381 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2382
2383         PR target/52146
2384         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2385         negative constant address for x32.
2386
2387 2012-02-10  Richard Henderson  <rth@redhat.com>
2388
2389         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2390         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2391         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2392
2393 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2394             Ira Rosen  <irar@il.ibm.com>
2395
2396         PR tree-optimization/50031
2397         * targhooks.c (default_builtin_vectorization_cost): Handle
2398         vec_promote_demote.
2399         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2400         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2401         all types of reduction and pattern statements.
2402         (vect_estimate_min_profitable_iters): Likewise.
2403         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2404         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2405         for explicit realigns.
2406         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2407         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2408         vec_promote_demote.
2409         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2410         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2411         vec_perm for VSX and handle vec_promote_demote.
2412
2413 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2414
2415         PR middle-end/52177
2416         * builtins.c (fold_builtin_atomic_always_lock_free,
2417         expand_builtin_atomic_always_lock_free,
2418         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2419         Return and/or test boolean_true_node/boolean_false_node instead of
2420         integer_one_node/integer_zero_node.
2421
2422 2012-02-10  Jan Hubicka  <jh@suse.cz>
2423
2424         PR middle-end/48600
2425         * predict.c (predict_paths_for_bb): Prevent looping.
2426         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2427
2428 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2429
2430         * config/arm/arm.c (output_move_double): In one case properly
2431         count number of instructions that will be emitted.
2432
2433 2012-02-10  Richard Guenther  <rguenther@suse.de>
2434
2435         PR translation/52193
2436         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2437
2438 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2439
2440         PR middle-end/52140
2441         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2442
2443 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2444
2445         PR debug/52165
2446         * var-tracking.c (emit_note_insn_var_location): If
2447         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2448         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2449         non-NOTE_DURING_CALL_P insn.
2450
2451 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2452
2453         PR middle-end/51867
2454         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2455
2456 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2457
2458         PR driver/48524
2459         * gcc.c (switch_matches) Support switches with separated form,
2460         -D and -U.
2461
2462 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2463
2464         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2465         (SP_ADDR): Ditto.
2466         (RAMPZ_ADDR): Ditto.
2467         * config/avr/avr.c (avr_addr_t): New typedef.
2468         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2469         (avr_init_expanders): Initialize it.
2470         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2471         SREG_ADDR.
2472         (expand_epilogue): Ditto.
2473         (avr_print_operand): Ditto.
2474         (avr_file_start): Ditto.
2475         (avr_emit_movmemhi): Ditto.
2476
2477 2012-02-08  Richard Guenther  <rguenther@suse.de>
2478
2479         PR tree-optimization/46886
2480         * tree-flow.h (do_while_loop_p): Declare.
2481         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2482         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2483
2484 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2485
2486         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2487         always succeed for integers larger than a native word.
2488
2489 2012-02-08  Richard Guenther  <rguenther@suse.de>
2490
2491         PR rtl-optimization/52170
2492         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2493         properly handle integer vector modes.
2494
2495 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2496
2497         PR gcov-profile/52150
2498         * coverage.c: Include target.h.
2499         (build_var): Call targetm.strip_name_encoding on the assembler name.
2500         Change one _ into . or $ if the target allows it.
2501         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2502
2503         PR rtl-optimization/52139
2504         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2505         is a BARRIER after emit_insn_after_noloc, move BB_END
2506         to the last non-BARRIER insn before it.
2507
2508 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2509
2510         PR middle-end/24306
2511         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2512         (mips_gimplify_va_arg_expr): Call it instead of
2513         std_gimplify_va_arg_expr.
2514
2515 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2516
2517         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2518         message for -mno-pointers-to-nested-function.
2519
2520 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2521
2522         PR middle-end/51994
2523         * expr.c (get_inner_reference): If there is an offset, add a negative
2524         bit position to it (if any).
2525
2526 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2527
2528         PR rtl-optimization/52060
2529         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2530         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2531         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2532         and/or i0src_copy2 when needed.
2533
2534 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2535
2536         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2537         or LTOPLUGINSONAME if have_c.
2538
2539         * config/freebsd-spec.h: Add comment about what macros can be defined
2540         in this header.
2541         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2542         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2543         here instead.
2544
2545 2012-02-07  Richard Guenther  <rguenther@suse.de>
2546
2547         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2548         newline in -alias dumps.
2549
2550 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2551             Dave Korn  <dave.korn.cygwin@gmail.com>
2552
2553         PR target/40068
2554         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2555         Take care that typinfo gets dllexport-attribute.
2556
2557 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2558
2559         PR middle-end/52074
2560         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2561         if modifier < EXPAND_SUM call force_operand on the result.
2562
2563 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2564
2565         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2566         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2567         present.
2568         (epiphany_function_type): Replace types for specific interrupts with
2569         EPIPHANY_FUNCTION_INTERRUPT.
2570         (EPIPHANY_INTERRUPT_P): Update.
2571         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2572         New static function.
2573         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2574         <disinterrupt>: Affects type identity.
2575         (epiphany_handle_interrupt_attribute): Handle variable number of
2576         arguments.
2577         (epiphany_compute_function_type): Update for new
2578         epiphany_function_type definition.
2579         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2580         handlers with a longcall forwarder.
2581         (epiphany_start_function): Handle multiple interrupt arguments and/or
2582         forwarder_section attribute.
2583
2584         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2585         libgloss.
2586
2587 2012-02-07  Alan Modra  <amodra@gmail.com>
2588
2589         PR target/52107
2590         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2591         subregs of TFmode.
2592
2593 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2594
2595         PR tree-optimization/50969
2596         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2597         use vec_perm rather than vector_stmt.
2598         (vect_model_load_cost): Likewise.
2599         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2600         vec_perm to be the same as other vector statements.
2601         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2602         cost of vec_perm for TARGET_VSX.
2603
2604 2012-02-06  Richard Guenther  <rguenther@suse.de>
2605
2606         PR tree-optimization/52115
2607         * tree-sra.c (access_has_replacements_p): New function.
2608         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2609
2610 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2611
2612         PR middle-end/52047
2613         * trans-mem.c (expand_call_tm): Add an assertion.
2614         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2615         functions.
2616
2617 2012-02-06  Richard Guenther  <rguenther@suse.de>
2618
2619         PR tree-optimization/50955
2620         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2621         raise cost of expressions that replace an address with an
2622         expression based on a different pointer.
2623
2624 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2625
2626         PR target/52129
2627         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2628         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2629
2630 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2631
2632         PR c++/48680
2633         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2634         -Weffc++ and specify guidelines come from second edition.
2635
2636 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2637
2638         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2639         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2640         (call_direct_split, call_value_split, call_value_internal_direct)
2641         (call_value_direct_split, call_value_multiple_split): Use jal and
2642         jal_macro attributes.
2643
2644 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2645
2646         * reload1.c (reload_regs_reach_end_p): Replace with...
2647         (reload_reg_rtx_reaches_end_p): ...this function.
2648         (new_spill_reg_store): Update commentary.
2649         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2650         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2651         before setting new_spill_reg_store.
2652         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2653         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2654         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2655         for non-spill reload registers.
2656
2657 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2658
2659         PR tree-optimization/52091
2660         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2661         (vect_is_simple_use_1): Likewise.
2662         * tree-vect-loop.c (vectorizable_reduction): Update calls
2663         to vect_is_simple_use_1 and vect_is_simple_use.
2664         (vectorizable_live_operation): Likewise.
2665         * tree-vect-patterns.c (widened_name_p,
2666         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2667         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2668         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2669         vectorizable_shift,vectorizable_operation, vectorizable_store,
2670         vectorizable_load): Likewise.
2671         (vect_is_simple_cond): Add an argument, pass it to
2672         vect_is_simple_use_1.
2673         (vectorizable_condition): Update calls to vect_is_simple_cond,
2674         vect_is_simple_use.
2675         (vect_is_simple_use): Add an argument, the statement in which
2676         OPERAND is used.  Check that if OPERAND's def stmt is a double
2677         reduction phi node, the use is a phi node too.
2678         (vect_is_simple_use_1): Add an argument, pass it to
2679         vect_is_simple_use.
2680         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2681         to vect_is_simple_use.
2682
2683 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2684
2685         PR rtl-optimization/52095
2686         * modulo-sched.c (dump_insn_locator): New function.
2687         (loop_canon_p, sms_schedule): Use it.
2688
2689         PR rtl-optimization/52113
2690         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2691         even for decomposable shift/zext insns.
2692
2693 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2694             Zdenek Dvorak  <ook@ucw.cz>
2695
2696         PR rtl-optimization/52092
2697         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2698         on get_iv_value result.
2699
2700 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2701
2702         PR middle-end/47982
2703         PR middle-end/43967
2704         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2705
2706 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR middle-end/48071
2709         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2710
2711 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2712
2713         PR rtl-optimization/49800
2714         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2715         (sched_finish): Call regstat_free_n_sets_and_refs.
2716
2717 2012-02-02  Jia Liu  <proljc@gmail.com>
2718
2719         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2720         than operand 2.
2721
2722 2012-02-02  Jan Hubicka  <jh@suse.cz>
2723             Tom de Vries  <tom@codesourcery.com>
2724
2725         PR middle-end/51998
2726         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2727         * varpool.c (varpool_analyze_pending_decls): Likewise.
2728
2729 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2730             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2731
2732         * config.gcc: Add cr16-* support.
2733
2734         * doc/extend.texi: Document cr16 extensions.
2735         * doc/install.texi: Document cr16 install.
2736         * doc/invoke.texi: Document cr16 options.
2737         * doc/md.texi: Document cr16 constraints.
2738
2739         * common/config/cr16/cr16-common.c: New file.
2740         * config/cr16/cr16.c: New file.
2741         * config/cr16/cr16.h: New file.
2742         * config/cr16/cr16.md: New file.
2743         * config/cr16/cr16.opt: New file.
2744         * config/cr16/cr16-protos.h: New file.
2745         * config/cr16/predicates.md: New file.
2746         * config/cr16/constraints.md: New file.
2747         * config/cr16/t-cr16: New file.
2748
2749 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2750
2751         PR target/52086
2752         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2753         that operands[2] is either immediate, or q_regs_operand.
2754
2755         PR tree-optimization/52073
2756         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2757         a pattern stmt for pattern uses, ignore uses outside of the loop.
2758
2759 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2760
2761         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2762         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2763         (OUT_AS1, OUT_AS2): Remove.
2764
2765 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2766
2767         PR rtl-optimization/51374
2768         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2769         to cross other volatile_refs_p insns.
2770
2771 2012-02-01  Richard Guenther  <rguenther@suse.de>
2772
2773         * doc/invoke.texi (fno-inline): Clarify documentation.
2774         (finline-small-functions): Likewise.
2775         (finline-functions): Likewise.
2776         * common.opt (finline): Adjust comment and documentation.
2777         (finline-small-functions): Clarify documentation.
2778         (finline-functions): Likewise.
2779         (finline-functions-called-once): Likewise.
2780
2781 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2782
2783         * c-typeck.c (composite_type): Keep mode for pointers.
2784
2785 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2786
2787         * function.h (regno_reg_rtx): Adjust comment.
2788         * reginfo.c (init_reg_modes_target): Only use the previous mode
2789         if it fits within one register.  Remove MIPS comment.
2790
2791 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR bootstrap/52058
2794         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2795
2796 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2797
2798         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2799         to srak instruction.
2800
2801 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2802
2803         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2804
2805 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2806
2807         PR bootstrap/52041
2808         PR bootstrap/52039
2809         PR target/51974
2810         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2811
2812 2012-01-31  Richard Guenther  <rguenther@suse.de>
2813
2814         PR tree-optimization/51528
2815         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2816         assigns.
2817
2818 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2819
2820         PR bootstrap/52041
2821         PR bootstrap/52039
2822         PR target/51974
2823         * ree.c (add_removable_extension): Change def_map argument
2824         to unsigned *, store in def_map 1 + offset into *insn_list vector
2825         instead of pointers into the vector.
2826         (find_removable_extensions): Adjust caller.
2827
2828 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2829
2830         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2831         Transform all "* quoted-c-code" to { c-code }.
2832         Remove redundant test for "optimize" in combine patterns.
2833         Move (include "avr-dimode.md") to end of file.
2834
2835 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2836
2837         PR target/51835
2838         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2839         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2840
2841 2012-01-30  Richard Guenther  <rguenther@suse.de>
2842
2843         PR tree-optimization/52028
2844         * tree-loop-distribution.c (ldist_gen): Properly update
2845         virtual SSA form.
2846
2847 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2848
2849         PR debug/52027
2850         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2851         set_cur_line_info_table if not emitting debug info.
2852
2853         PR tree-optimization/52046
2854         * tree-vect-patterns.c (check_bool_pattern): Give up if
2855         a comparison could throw.
2856
2857         PR debug/52048
2858         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2859
2860 2012-01-30  Richard Guenther  <rguenther@suse.de>
2861
2862         PR tree-optimization/52045
2863         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2864         SSA form if cfgcleanup did anything.
2865
2866 2012-01-30  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/52045
2869         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2870         before computing final todo.
2871
2872 2012-01-30  Richard Guenther  <rguenther@suse.de>
2873
2874         PR tree-optimization/51528
2875         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2876         for PR51528 fix.
2877
2878 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2879
2880         * df-problems.c (df_kill_notes): Check that the use refers
2881         to the note under examination.
2882
2883 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2884
2885         PR target/51920
2886         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2887         parameter and use short-lived pseudos.
2888         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2889         (sparc_expand_vector_init): Const-ify local variables and adjust
2890         calls to above functions.
2891
2892 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2893
2894         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2895
2896 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2897
2898         * doc/invoke.texi: Make usage of "compile time" and
2899         "run time"/"runtime" consistent throughout the file.
2900
2901 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2902
2903         * config/alpha/alpha.c (alpha_option_override): Default to
2904         full IEEE compliance mode for Go language.
2905
2906 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2907
2908         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2909         (LINK_SSP_SPEC): Define.
2910
2911 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2912
2913         PR target/51871
2914         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2915         stubs.
2916
2917 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2918
2919         * doc/invoke.texi: Correct hyphenation of "floating point",
2920         "double precision", and related terminology throughout the file.
2921
2922 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2923
2924         PR target/52006
2925         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2926         arm_general_register_operand predicate for operand 2 instead of
2927         register_operand.
2928
2929 2012-01-27  Ian Lance Taylor  <iant@google.com>
2930
2931         PR go/47656
2932         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2933         * builtins.c (expand_builtin_init_trampoline): Add onstack
2934         parameter.  Change caller.
2935         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2936         * tree.c (build_common_builtin_nodes): Declare
2937         __builtin_init_heap_trampoline.
2938
2939 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2940
2941         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2942         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2943         * config/avr/avr.c: Ditto.
2944         (avr_regnames): Remove because unused.
2945         * config/avr/avr.md (*cpse.ne): New peephole.
2946         (*cpse.eq): New peephole from former cpse peepholes.
2947
2948 2012-01-27  Michael Eager  <eager@eagercon.com>
2949
2950         * config/microblaze.c (microblaze_emit_compare): Correct
2951         test after pcmp instruction.
2952
2953 2012-01-27  Richard Guenther  <rguenther@suse.de>
2954
2955         PR tree-optimization/52020
2956         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2957
2958 2012-01-27  Richard Guenther  <rguenther@suse.de>
2959
2960         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2961         function non-const/pure.
2962
2963 2012-01-27  Richard Guenther  <rguenther@suse.de>
2964
2965         PR tree-optimization/50444
2966         * tree-sra.c (build_ref_for_offset): Properly adjust the
2967         MEM_REF type for unaligned accesses.
2968
2969 2012-01-27  Richard Guenther  <rguenther@suse.de>
2970
2971         PR tree-optimization/50444
2972         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2973         (expand_assignment): Use it.  Properly handle misaligned
2974         bases when expanding stores to component references.
2975         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2976         refactor that case.
2977
2978 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2979
2980         PR middle-end/51389
2981         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2982         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2983         * tree-data-ref.c (find_data_references_in_loop): Make static.
2984         (compute_all_dependences): Change return type to bool.  Bail out
2985         for too many datarefs in a loop.  Move the hunk resetting the data
2986         dependences vector from ...
2987         (compute_data_dependences_for_loop): ... here.  Account for
2988         compute_all_dependences returning false.
2989         (compute_data_dependences_for_bb): Likewise.
2990         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2991         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2992
2993 2012-01-27  Richard Guenther  <rguenther@suse.de>
2994
2995         PR middle-end/51959
2996         * expr.c (store_field): Use the alias-set of the scratch memory
2997         for storing to it.
2998
2999 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3000
3001         PR tree-optimization/51990
3002         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3003         WITH_SIZE_EXPR.
3004         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3005
3006 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3007
3008         PR debug/52001
3009         * var-tracking.c (reverse_op): Don't add any reverse operation
3010         if V already has any constant locations.
3011
3012 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3013
3014         * doc/invoke.texi: Correct usage of "command line" (noun)
3015         vs "command-line" (adjective) throughout.
3016
3017 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3018
3019         * doc/invoke.texi (Language Independent Options): Move
3020         -Wcoverage-mismatch blurb from here....
3021         (Warning Options): ...to here.
3022
3023 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3024
3025         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3026         Set rs6000_always_hint to false for 476.
3027
3028 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3029
3030         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3031           system root.
3032         * incpath.c (add_standard_paths): Likewise.
3033
3034 2012-01-27  Richard Henderson  <rth@redhat.com>
3035
3036         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3037         * config/m68k/sync.md (atomic_test_and_set): Rename from
3038         sync_test_and_setqi and adjust the operands.
3039         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3040         and unconditionally enable.
3041
3042 2012-01-27  Richard Henderson  <rth@redhat.com>
3043
3044         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3045         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3046         (ldstub): Rename from ldstubqi.
3047         (ldstub<I24MODE>): Remove.
3048
3049 2012-01-27  Richard Henderson  <rth@redhat.com>
3050
3051         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3052         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3053         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3054         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3055         * doc/tm.texi: Rebuild.
3056
3057 2012-01-27  Richard Henderson  <rth@redhat.com>
3058
3059         * optabs.c (gen_atomic_test_and_set): Remove default.
3060         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3061
3062 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR rtl-optimization/51978
3065         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3066         (combine_reaching_defs): Likewise.
3067         (struct re_info): Remove.
3068         (add_removable_extension): Remove x and data arguments,
3069         add insn, insn_list and def_map.  Use the arguments directly
3070         instead of using struct re_info.
3071         (find_removable_extensions): Don't call add_removable_extension
3072         through note_stores, instead just call it with single_set
3073         result if non-NULL.
3074         (find_and_remove_re): Pass curr_cand->expr instead of
3075         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3076
3077 2012-01-26  Michael Matz  <matz@suse.de>
3078
3079         PR tree-optimization/46590
3080         * cfgexpand.c: Revert last change (r183305).
3081         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3082         regs.
3083         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3084         checking for emptiness.
3085
3086 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3087
3088         PR middle-end/51895
3089         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3090         non-addressable non-BLKmode base correctly.
3091
3092 2012-01-26  Michael Matz  <matz@suse.de>
3093
3094         PR tree-optimization/48794
3095         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3096         regions referenced from RESX/EH_DISPATCH.
3097
3098 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3099
3100         * config/s390/s390.h: Make BRANCH_COST an option.
3101         * config/s390/s390.opt: New option -mbranch-cost.
3102
3103 2012-01-26  Richard Henderson  <rth@redhat.com>
3104
3105         Revert 2012-01-24 change:
3106         * trans-mem.c (requires_barrier): Do not instrument thread local
3107         variables and emit save/restore for them.
3108
3109 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3110
3111         PR middle-end/51986
3112         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3113         for pat == 0.
3114
3115 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3116
3117         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3118         ASM_OPERANDS.
3119
3120 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3121
3122         PR target/49868
3123         Rename __pgm to __flash.
3124         Rename __pgm1 to __flash1.
3125         Rename __pgm2 to __flash2.
3126         Rename __pgm3 to __flash3.
3127         Rename __pgm4 to __flash4.
3128         Rename __pgm5 to __flash5.
3129         Rename __pgmx to __memx.
3130         * doc/extend.texi (AVR Named Address Spaces)
3131         Rename address space names as indicated above.
3132         * config/avr/avr.c (avr_addrspace): Ditto.
3133
3134         * config/avr/avr-protos.h
3135         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3136         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3137         * config/avr/predicates.md: Ditto.
3138         * config/avr/avr.c Ditto, and
3139         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3140         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3141
3142         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3143         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3144         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3145         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3146         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3147         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3148         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3149         * config/avr/avr.c: Ditto.
3150         * config/avr/avr.md: Ditto.
3151
3152 2012-01-25  Jason Merrill  <jason@redhat.com>
3153
3154         PR c++/51992
3155         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3156
3157 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3158
3159         PR tree-optimization/51987
3160         * tree-data-ref.c (get_references_in_stmt): Handle references in
3161         non-volatile GIMPLE_ASM.
3162
3163 2012-01-25  Richard Guenther  <rguenther@suse.de>
3164
3165         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3166         bases are dereferenced.
3167
3168 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3169
3170         PR rtl-optimization/48374
3171         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3172
3173 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3174
3175         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3176         compute_data_dependences_for_loop returns false.
3177         * tree-parloops.c (loop_parallel_p): Likewise.
3178
3179 2012-01-25  Richard Guenther  <rguenther@suse.de>
3180
3181         * tree.h (get_pointer_alignment_1): Declare.
3182         * builtins.c (get_pointer_alignment_1): New function.
3183         (get_pointer_alignment): Use it.
3184
3185 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3186
3187         PR rtl-optimization/48308
3188         * combine.c (enum undo_kind): Add UNDO_LINKS.
3189         (struct undo): Add member l to other_contents and where.
3190         (do_SUBST_LINK): New.
3191         (SUBST_LINK): New.
3192         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3193         (undo_all): Handle UNDO_LINKS.
3194
3195 2012-01-25  Richard Henderson  <rth@redhat.com>
3196
3197         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3198         mem inputs.
3199
3200 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3201
3202         * optabs.c (gen_atomic_test_and_set): Use each argument.
3203
3204 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3205
3206         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3207         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3208         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3209         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3210         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3211         TARGET_PAIRED_SINGLE_FLOAT.
3212
3213 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3214
3215         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3216         (in_struct, return_val): Remove MEM documentation.
3217         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3218         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3219         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3220         and MEM_SCALAR.
3221         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3222         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3223         * expr.c (store_field): Likewise.
3224         * function.c (assign_stack_temp_for_type): Likewise.
3225         * ifcvt.c (noce_try_cmove_arith): Likewise.
3226         * reload1.c (reload): Likewise.
3227         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3228         (alpha_set_memflags): Likewise.
3229         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3230
3231 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3232
3233         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3234         parameter.
3235         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3236         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3237         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3238         varies parameter.
3239         * cselib.c (cselib_rtx_varies_p): Delete.
3240         (cselib_invalidate_mem): Update call to canon_true_dependence.
3241         * dse.c (record_store, check_mem_read_rtx): Likewise.
3242         (scan_reads_nospill): Likewise.
3243         * cse.c (check_dependence): Likewise.
3244         (cse_rtx_varies_p): Delete.
3245         * expr.c (safe_from_p): Update call to true_dependence.
3246         * ira.c (validate_equiv_mem_from_store): Likewise.
3247         (memref_referenced_p): Likewise.
3248         * postreload-gcse.c (find_mem_conflicts): Likewise.
3249         * sched-deps.c (sched_analyze_2): Likewise.
3250         * store-motion.c (load_kills_store): Likewise.
3251         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3252         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3253         (compute_transp): Update call to canon_true_dependence.
3254
3255 2012-01-25  Richard Henderson  <rth@redhat.com>
3256
3257         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3258         (maybe_emit_atomic_test_and_set): New.
3259         (expand_sync_lock_test_and_set): Use it.
3260         (expand_atomic_test_and_set): Likewise.
3261         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3262         the implementation; clarify implementation defined details.
3263         * doc/md.texi (atomic_test_and_set): Document.
3264
3265 2012-01-25  Richard Henderson  <rth@redhat.com>
3266
3267         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3268
3269 2012-01-25  Richard Henderson  <rth@redhat.com>
3270
3271         PR target/51968
3272         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3273         to effect no-op split.
3274
3275 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3276
3277         PR lto/51698
3278         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3279         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3280         (BT_FN_VOID_PTR_INT_SIZE): New.
3281         (BT_FN_UINT_UINT_VAR): Remove.
3282         (BT_FN_UINT32_UINT32_VAR): New.
3283         (BT_FN_DOUBLE_VPTR): Remove.
3284         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3285
3286         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3287         (_ITM_changeTransactionMode): Same.
3288         (_ITM_memmoveRtWt): Change return type to void.
3289         (_ITM_memcpyRtWt): Same.
3290         (_ITM_memsetW): Same.
3291         (_ITM_RaRD): Change types to double.
3292         (_ITM_RD): Same.
3293         (_ITM_RaWD): Same.
3294         (_ITM_RfWD): Same.
3295
3296         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3297
3298 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3299             Patrick Marlier  <patrick.marlier@gmail.com>
3300
3301         * trans-mem.c (requires_barrier): Do not instrument thread local
3302         variables and emit save/restore for them.
3303
3304 2012-01-24  Jason Merrill  <jason@redhat.com>
3305
3306         PR c++/51812
3307         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3308         output static aliases.
3309
3310 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR driver/47249
3313         * common.opt (-pie, -shared, pie, shared): Change from Common to
3314         Driver.
3315         * gcc.c (display_help): Display help for -pie and -shared.
3316
3317 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3318
3319         PR target/49868
3320         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3321         Remove note on size/offset limitation.
3322         (AVR Variable Attributes): Add example how to read data located
3323         with progmem.  Refer to named address spaces.
3324         * doc/invoke.texi (AVR Options): Fix typo.
3325
3326 2012-01-24  Richard Guenther  <rguenther@suse.de>
3327
3328         Forward-port to trunk
3329         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR middle-end/45678
3332         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3333         op0 isn't sufficiently aligned and there is movmisalignM
3334         insn for mode, use it to load op0 into a temporary register.
3335
3336 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3337
3338         PR target/51957
3339         * target.def (const_not_ok_for_debug_p): New hook.
3340         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3341         documentation.
3342         * doc/tm.texi: Regenerated.
3343         * dwarf2out.c (const_ok_for_output_1): If
3344         targetm.const_not_ok_for_debug_p returns true, fail.
3345         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3346         function.
3347         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3348
3349 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3350
3351         PR target/51900
3352         * config/i386/predicates.md (symbolic_operand): Allow
3353         UNSPEC_PCREL as PIC expression for lea.
3354         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3355         * config/i386/i386.c (ix86_delegitimize_address): Handle
3356         UNSPEC_PCREL for none-MEM, too.
3357
3358 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3359
3360         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3361         (ipa_tm_create_version_alias): Same.
3362
3363 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3364
3365         PR libitm/51830
3366         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3367         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3368
3369 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3370             Patrick Marlier  <patrick.marlier@gmail.com>
3371             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3372
3373         PR lto/51916
3374         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3375         simple_object_start_read.
3376
3377 2012-01-23  Richard Guenther  <rguenther@suse.de>
3378
3379
3380         PR tree-optimization/51895
3381         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3382         parameter decomposition into BLKmode components.
3383
3384 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3385
3386         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3387         fake variables for restrict-qualified pointers whose pointed-to type
3388         contains a placeholder.
3389
3390 2012-01-23  Richard Guenther  <rguenther@suse.de>
3391
3392         PR tree-optimization/51949
3393         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3394
3395 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3396
3397         PR rtl-optimization/51933
3398         * ree.c (transform_ifelse): Return true right away if dstreg is
3399         already wider or equal to cand->mode.
3400         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3401         (make_defs_and_copies_lists): Remove defs_list and copies_list
3402         arguments, add state argument, just truncate state->work_list
3403         instead of always allocating and freeing the vector.  Assert that
3404         get_defs succeeds instead of returning 2.  Changed return type to bool.
3405         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3406         have ext_src_mode, see if it has been modified already with the
3407         right kind of extension and has been extended before from the
3408         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3409         just return true.  Remember the original mode in state->modified array.
3410         (combine_reaching_defs): Add state argument.  Don't allocate and
3411         free here def_list, copied_list and vec vectors, instead just
3412         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3413         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3414         Add state variable, clear vectors in it, initialize state.modified
3415         if needed.  Free all the vectors at the end and state.modified too.
3416         Don't skip a candidate if the extension expression has been modified.
3417
3418 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3419
3420         PR target/47096
3421         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3422          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3423         (extra_options) interix.opt -> i386/interix.opt"
3424         (extra_objs):Add winnt-stubs.o
3425         * configure.ac: Add interix to target_os .comm on PE check.
3426         * configure: Regenerate.
3427         * config/interix3.h: Delete and move bits to..
3428         * config/interix.h: Delete and move bits to..
3429         * config/i386/i386-interix3.h: Delete and move bits to..
3430         * config/i386/i386-interix.h: ..here.
3431         (TARGET_CPU_DEFAULT): Remove redefinition.
3432         (TARGET_ASM_CONSTRUCTOR): Undefine.
3433         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3434         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3435         (PTRDIFF_TYPE): Define.
3436         (LONG_DOUBLE_TYPE_SIZE): Define.
3437         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3438         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3439         (TARGET_SECTION_TYPE_FLAGS): Define.
3440         (ASM_DECLARE_FUNCTION_NAME): Define.
3441         (ASM_OUTPUT_EXTERNAL): Define.
3442         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3443         (ASM_OUTPUT_ALIGNED_BSS): Define.
3444         (PCC_BITFIELD_TYPE_MATTERS): Define.
3445         (USE_CONST_SECTION): Define.
3446         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3447         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3448         (SUPPORTS_ONE_ONLY): Remove.
3449         (I386_PE_STRIP_ENCODING): Define.
3450         * config/interix.opt: Delete and move bits to..
3451         * config/i386/interix.opt: ..here. New.
3452         (mpe-aligned-commons): Add.
3453         * config/i386/t-interix: Add copyright header.
3454         (winnt-stubs.o): Add rule.
3455
3456 2012-01-22  Jason Merrill  <jason@redhat.com>
3457
3458         PR c++/51832
3459         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3460         for extra name aliases.
3461
3462 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3463
3464         PR rtl-optimization/51924
3465         * ree.c (combine_set_extension): Improve debugging message.
3466         (combine_reaching_defs): Likewise.
3467         (get_defs): Rename confusingly named variable.
3468         (find_and_remove_re): Skip a candidate if the extension expression has
3469         been modified.
3470
3471 2012-01-21  Robert Millan  <rmh@gnu.org>
3472             Gerald Pfeifer  <gerald@pfeifer.com>
3473
3474         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3475         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3476
3477 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3478
3479         PR tree-optimization/51914
3480         * tree-vect-stmts.c (vectorizable_conversion): For
3481         cvt_type && modifier == WIDEN, put temporary with cvt_type
3482         at the beginning of vec_dsts and set vec_dest to temporary
3483         with vectype_out.
3484
3485 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3486
3487         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3488
3489 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3490
3491         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3492         * config/rs6000/rs6000.c: Likewise.
3493
3494 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3495
3496         PR target/51915
3497         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3498         output_move_double on a copy of operands array.
3499
3500 2012-01-20  Cary Coutant  <ccoutant@google.com>
3501             Dodji Seketeli  <dodji@redhat.com>
3502
3503         PR debug/45682
3504         * dwarf2out.c (copy_declaration_context): Return ref to parent
3505         of declaration DIE, if necessary.
3506         (remove_child_or_replace_with_skeleton): Add new parameter; update
3507         caller.  Place skeleton DIE under parent DIE of original declaration.
3508         Move call to copy_declaration_context to here ...
3509         (break_out_comdat_types): ... from here.
3510
3511 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3512
3513         PR rtl-optimization/51856
3514         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3515         flag to reloaded.
3516
3517 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3518
3519         PR target/51819
3520         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3521         hints for neon loads and stores.
3522
3523 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3524
3525         PR target/49868
3526         PR target/50887
3527         * doc/extend.texi (Named Address Spaces): Split into subsections.