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PR c++/53220
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-30  Jason Merrill  <jason@redhat.com>
2
3         PR c++/53220
4         * c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
5         about array compound literals.
6
7 2012-05-30  Richard Guenther  <rguenther@suse.de>
8
9         PR middle-end/53501
10         * fold-const.c (fold_binary_loc): Make sure to call
11         fold_plusminus_mult_expr with the original sign of operands.
12
13 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
14
15         * explow.c (probe_stack_range): Restore simple control flow and stop
16         again when the probe cannot be generated if HAVE_check_stack.
17
18 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
19
20         PR rtl-optimization/53519
21         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
22         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
23
24 2012-05-29  Richard Guenther  <rguenther@suse.de>
25
26         PR tree-optimization/53516
27         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
28         bitfield accesses.
29         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
30
31 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
32
33         Backport from mainline
34         2012-05-28  Richard Guenther  <rguenther@suse.de>
35
36         PR tree-optimization/53438
37         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
38
39 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
40
41         Backport from mainline
42         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
43
44         PR rtl-optimization/52528
45         * combine.c (can_combine_p): Add setting of subst_low_luid
46         before call to expand_field_assignment().
47
48 2012-05-26  Martin Jambor  <mjambor@suse.cz>
49
50         Backport from mainline
51         2012-05-23  Martin Jambor  <mjambor@suse.cz>
52
53         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
54
55 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
56
57         PR lto/52178
58         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
59         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
60
61 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
62
63         PR target/53435
64         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
65         (ix86_expand_vec_perm): Use int mode instead of float.
66
67 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
68
69         PR ada/52362
70         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
71         gnu_ld variables to yes.
72         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
73         (HAVE_GNU_AS): Likewise.
74         * config.in: Regenerate.
75         * configure: Likewise.
76
77 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
78
79         Backport from mainline
80         2012-03-12  Richard Guenther  <rguenther@suse.de>
81         * config/arm/arm.c (neon_dereference_pointer): Do not call
82         covert during RTL expansion.
83
84 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
85
86         Backport from mainline
87         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
88
89         PR target/53385
90         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
91         relied on signed overflow behavior.
92
93 2012-05-24  Richard Guenther  <rguenther@suse.de>
94
95         PR middle-end/53460
96         * tree-profile.c (tree_profiling): Cleanup the CFG if
97         execute_fixup_cfg requests it.
98
99 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
100
101         PR tree-optimization/53465
102         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
103         vr0 into *vr, then vrp_meet that.
104         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
105         have any equivalences.
106         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
107         first time.
108
109 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
110
111         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
112         size handling.
113         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
114         (iterative_hash_gimple_type): Adjust comment.
115         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
116         domain for an array type instead of the domain type itself.
117
118 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
119
120         Backport from 2012-05-23 mainline r187803
121
122         PR target/53448
123         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
124         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
125         ASM_OUTPUT_ALIGN.
126
127 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
128
129         Backport from 2012-05-03 mainline r187075
130
131         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
132         has_fma4 for AMD processors with both fma3 and fma4 support.
133
134 2012-05-22  Richard Guenther  <rguenther@suse.de>
135
136         PR tree-optimization/53408
137         * tree-vect-loop.c (vectorizable_induction): Properly check
138         the restriction that we cannot handle induction results from
139         the inner loop outside of the outer loop.
140
141 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
142
143         PR tree-optimization/53436
144         * omp-low.c (omp_build_component_ref): New function.
145         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
146
147         PR tree-optimization/53366
148         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
149         tests if complex_numbers == 2, but there are non-complex number loads
150         too.
151
152         PR tree-optimization/53409
153         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
154         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
155
156         PR tree-optimization/53410
157         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
158         instead of build_int_cst (type, 0) where vector types might be
159         involved.
160
161 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
162
163         PR c/53418
164         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
165         from folded operands before wrapping another around the
166         conditional expression.
167
168 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
169             Patrick Marlier  <patrick.marlier@gmail.com>
170
171         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
172         indirect calls.
173
174 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
175
176         Backport from mainline
177         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
178
179         PR target/53416
180         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
181         (UNSPECV_RDRAND): This.
182         (rdrand<mode>_1): Updated.
183
184 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
185
186         Backport from mainline
187         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
188
189         * config/i386/driver-i386.c (host_detect_local_cpu): Support
190         RDRND, F16C and FSGSBASE.
191
192 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
193
194         Backport from mainline
195         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
196
197         * tree-ssa-pre.c (can_value_number_call): Delete.
198         (compute_avail): Skip all statements with side effects.
199         <GIMPLE_CALL>: Skip calls to internal functions.
200
201 2012-05-18  David S. Miller  <davem@davemloft.net>
202
203         Backport r185385 from mainline
204         2012-03-14  Richard Guenther  <rguenther@suse.de>
205
206         PR middle-end/52584
207         * tree-vect-generic.c (type_for_widest_vector_mode): Take
208         element type instead of mode, use build_vector_type_for_mode
209         instead of the langhook, build a vector of proper signedness.
210         (expand_vector_operations_1): Adjust.
211
212 2012-05-18  Olivier Hainque  <hainque@adacore.com>
213
214         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
215         $(libsubdir) as libexecsubdir.
216
217 2012-05-16  Andrew Pinski  <apinski@cavium.com>
218
219         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
220         GIMPLE_ASSIGN.
221
222 2012-05-16  David S. Miller  <davem@davemloft.net>
223
224         * jump.c (delete_related_insns): If we remove a CALL, make sure
225         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
226
227 2012-05-16  Richard Henderson  <rth@redhat.com>
228
229         PR debug/52727
230         * combine-stack-adj.c (prev_active_insn_bb): New.
231         (next_active_insn_bb): New.
232         (force_move_args_size_note): New.
233         (combine_stack_adjustments_for_block): Use it.
234
235 2012-05-16  Olivier Hainque  <hainque@adacore.com>
236
237         * Makefile.in (install-no-fixedincludes): New target, former toplevel
238         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
239         Add comments and improve stamp preservation across the whole sequence.
240         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
241
242 2012-05-16  Richard Guenther  <rguenther@suse.de>
243
244         PR tree-optimization/53364
245         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
246         detect a view-conversion of the decl.
247
248 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
249
250         PR target/53358
251         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
252         that operands[2] is either immediate, or q_regs_operand.
253
254 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
255
256         Backport r187139 from mainline.
257         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
258
259         PR rtl-optimization/52804
260         * reload1.c (reload_reg_reaches_end_p): Check whether successor
261         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
262         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
263         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
264         RELOAD_FOR_OUTADDR_ADDRESS.
265
266 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
267
268         PR target/46098
269         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
270         generate target register for "load" class builtins.
271
272         Revert:
273         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
274
275         PR target/46098
276         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
277         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
278         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
279         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
280         (<sse>_movu<ssemodesuffix>): New expander.
281         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
282         (avx_movdqu<avxmodesuffix>): New expander.
283         (*sse2_movdqu): Rename from sse2_movdqu.
284         (sse2_movdqu): New expander.
285
286 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
287
288         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
289         lineno 1 the same as lineno 0 before first start file directive.
290         (optimize_macinfo_range): Likewise.
291
292         * dwarf2out.c (have_macinfo): Define.
293         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
294         attribute, don't force empty compilation unit and don't emit any
295         .debug_macinfo/.debug_macro section if macinfo_table is empty.
296
297 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
298
299         Backport from mainline
300         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
301
302         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
303         ORDERED and UNORDERED conditions.
304
305 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
306
307         * function.c (requires_stack_frame_p): If the function can throw
308         non-call exceptions, return true if the insn can throw internally.
309
310 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
311
312         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
313         DECL_ORIGINAL_TYPE if it is present.
314
315 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
316
317         Backport from 2012-05-12 mainline r187342.
318
319         PR target/53256
320         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
321         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
322         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
323         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
324         (expand_prologue): Move initialization of cfun->machine->is_naked,
325         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
326         (avr_set_current_function): ...this new static function.
327         (TARGET_SET_CURRENT_FUNCTION): New define.
328         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
329         checking attributes of current_function_decl.
330         (avr_regs_to_save): Ditto.
331         (signal_function_p): Rename to avr_signal_function_p.
332         (interrupt_function_p): Rename to avr_interrupt_function_p.
333
334         * doc/extend.texi (Function Attributes): Better explanation of
335         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
336         alphabetical order.
337
338 2012-05-09  Matthias Klose  <doko@ubuntu.com>
339
340         * gcc-ar.c (main): Don't check for execute bits for the plugin.
341
342 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
343
344         PR target/53272
345         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
346         when a constant source operand matches an "I" constraint, the "no
347         CC0 change" applies to a register-destination only, not a
348         strict_low_part-destination.
349
350 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
351
352         Backport from mainline:
353         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
354
355         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
356
357 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
358
359         PR tree-optimization/53239
360         * tree-vrp.c (get_value_range): Set VR of
361         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
362         to nonnull.
363
364 2012-05-07  Richard Guenther  <rguenther@suse.de>
365
366         PR tree-optimization/53195
367         * tree-inline.c (setup_one_parameter): Properly add referenced
368         vars from the parameters new known value.
369
370 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
371
372         Backport from mainline:
373         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
374
375         PR target/52999
376         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
377         in constant pool.
378
379 2012-05-04  Ian Lance Taylor  <iant@google.com>
380
381         * tree-vect-patterns.c (vect_single_imm_use): Correct return
382         values from false to NULL.
383
384 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
385
386         Backport from mainline
387         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
388
389         PR target/53228
390         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
391         (TARGET_CMOV): Rename from TARGET_CMOVE.
392         (TARGET_CMOVE): New define.
393         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
394         Do not set TARGET_CMOVE here.
395
396 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
397
398         Backport from mainline:
399
400         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
401
402         PR tree-optimization/52633
403         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
404         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
405         (vect_recog_over_widening_pattern): Remove handling of code that was
406         already detected as over-widening pattern.  Remove special handling
407         of "unsigned" cases.  Instead, support general case of conversion
408         of the shift result to another type.
409
410         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
411
412         * tree-vect-patterns.c (vect_single_imm_use): New function.
413         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
414         (vect_recog_over_widening_pattern): Likewise.
415         (vect_recog_widen_shift_pattern): Likewise.
416
417         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
418
419         PR tree-optimization/52870
420         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
421         presumed pattern statement is within the same loop or basic block.
422
423 2012-05-04  Richard Guenther  <rguenther@suse.de>
424
425         * common.opt (flto-report): Do not mark as Optimization.
426
427 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
428
429         PR target/48496
430         * recog.c (constrain_operands): If extra constraints are present, also
431         accept pseudo-registers with equivalent memory locations during reload.
432
433 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
434
435         Backport from the mainline
436         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
437
438         PR target/53199
439         * config/rs6000/rs6000.md (bswapdi splitters): If
440         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
441         default) is used, generate an alternate sequence that does not
442         depend on using indexed addressing.
443
444 2012-05-03  David S. Miller  <davem@davemloft.net>
445
446         PR target/52684
447         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
448         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
449         (sparc_emit_float_lib_cmp): Likewise.
450
451 2012-05-04  Martin Jambor  <mjambor@suse.cz>
452
453         Backport from mainline
454         2012-05-02  Martin Jambor  <mjambor@suse.cz>
455
456         PR lto/52605
457         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
458         of a variable when the contect is a function.
459
460 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
461
462         PR plugins/53126
463         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
464         append program name to it and pass that as first argument
465         to make_relative_prefix.  Always pass standard_libexec_prefix
466         as last argument to make_relative_prefix.  If
467         make_relative_prefix returns NULL, fall back to
468         standard_libexec_prefix.
469
470         PR debug/53174
471         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
472         removed.
473
474         PR target/53187
475         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
476         mode, return that mode.
477
478 2012-05-03  Richard Guenther  <rguenther@suse.de>
479
480         PR tree-optimization/53144
481         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
482         Rename to ...
483         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
484         with SSA name values.
485         (vn_reference_lookup_3): Adjust callers.
486
487 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
488
489         PR tree-optimization/53163
490         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
491         return value from compute_all_dependences.
492
493         PR rtl-optimization/53160
494         * ree.c (combine_reaching_defs): Handle the case where cand->insn
495         has been modified by ree pass already.
496
497 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
498
499         Backport from mainline
500         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
501
502         PR middle-end/53136
503         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
504         calls to cgraph_node_name in xstrdup.
505         (ipa_make_edge_direct_to_target): Ditto.
506         * tree-sra.c (convert_callers_for_node): Ditto.
507         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
508         * ipa-cp.c (perhaps_add_new_callers): Ditto.
509         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
510         (cgraph_materialize_all_clones): Ditto.
511         * ipa-inline.c (report_inline_failed_reason): Ditto.
512         (want_early_inline_function_p): Ditto.
513         (edge_badness): Ditto.
514         (update_edge_key): Ditto.
515         (flatten_function): Ditto.
516         (ipa_inline): Ditto.
517         (inline_always_inline_functions): Ditto.
518         (early_inline_small_functions): Ditto.
519
520 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
521
522         Backport from mainline
523         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
524
525         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
526         Introduce emul_name to select the right linker emulation for
527         powerpc64-*-freebsd*.
528         * configure: Regenerate.
529         * config.gcc: Add bits to support powerpc64-*-freebsd*.
530         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
531         * config/rs6000/freebsd64.h: New file.
532         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
533         POWERPC_FREEBSD.
534         (rs6000_savres_strategy): Likewise.
535         (rs6000_savres_routine_name): Likewise.
536         (rs6000_elf_file_end): Likewise.
537         * config/rs6000/t-freebsd64: New file.
538         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
539         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
540
541 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
542
543         Backport from mainline
544         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
545
546         PR target/53138
547         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
548
549 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
550
551         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
552         predicate to discriminate types.
553
554 2012-04-27  Richard Guenther  <rguenther@suse.de>
555
556         PR c/51527
557         * convert.c (convert_to_integer): Avoid infinite recursion for
558         target-defined built-in types.
559
560 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
561
562         PR target/53120
563         * config/cris/cris.md ("*andhi_lowpart_v32")
564         ("*andqi_lowpart_v32"): Change first input-only operand from
565         a (match_operand ...) to (match_dup 0).  Drop alternatives with
566         const_int-matching constraints for redundancy.
567         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
568         three-operand alternative.
569
570 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
571
572         Backport from mainline
573         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
574
575         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
576         (*addsi_2_zext): Ditto.
577         (*add<mode>_3): Ditto.
578         (*addsi_3_zext): Ditto.
579         (*add<mode>_5): Ditto.
580
581 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
582
583         PR c/52880
584         * c-typeck.c (set_nonincremental_init,
585         set_nonincremental_init_from_string): Pass true instead of false
586         as IMPLICIT to add_pending_init.
587
588 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
589
590         Backport from 2012-04-24 mainline r186768.
591
592         PR target/53065
593         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
594
595 2012-04-24  Richard Guenther  <rguenther@suse.de>
596
597         PR tree-optimization/53085
598         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
599         stores.
600
601 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
602
603         PR middle-end/53084
604         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
605         of MEM_REF.
606         (output_addressed_constants): Likewise.
607
608         PR middle-end/52999
609         * varasm.c (get_section): Don't ICE for section conflicts with
610         built-in section kinds.
611
612 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
613
614         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
615
616 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
617
618         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
619
620 2012-04-23  Richard Guenther  <rguenther@suse.de>
621
622         PR c/53060
623         * c-typeck.c (build_binary_op): Fix typo.
624
625 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
626
627         PR tree-optimizations/52891
628         * tree-vect-patterns.c (adjust_bool_pattern): Use
629         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
630         but with non-standard precision.
631
632 2012-04-22  Ian Lance Taylor  <iant@google.com>
633
634         * godump.c (go_output_typedef): Dump size of structs.
635
636 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
637
638         Backport from mainline:
639
640         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
641         hints for 'A' operand types.
642
643 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
644
645         Backport from 2012-04-19 mainline r186588.
646
647         PR target/53033
648         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
649         the case *(X+const).
650
651 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
652
653         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
654
655 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
656
657         PR target/53020
658         * config/i386/sync.md (atomic_<code><mode>): Rename to
659         atomic_<logic><mode>.
660
661 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
662
663         Backport from mainline
664         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
665
666         PR target/52932
667         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
668         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
669         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
670         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
671         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
672         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
673         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
674         gen_avx2_permvarv8sf.
675
676 2012-04-16  Martin Jambor  <mjambor@suse.cz>
677
678         Backported from mainline
679
680         2012-04-13  Martin Jambor  <mjambor@suse.cz>
681         PR middle-end/52939
682
683         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
684         fold_ctor_reference returns a zero constant.
685
686 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
687
688         Backported from mainline
689         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
690
691         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
692         and __ILP32__ for x32.
693
694 2012-04-13  Tom de Vries  <tom@codesourcery.com>
695
696         Backport from mainline r186418.
697
698         2012-04-13  Tom de Vries  <tom@codesourcery.com>
699
700         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
701         parameters vuse and vuse_escaped.
702         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
703         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
704         vuse1 != vuse2.
705
706 2012-04-13  Richard Guenther  <rguenther@suse.de>
707
708         PR tree-optimization/52969
709         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
710         the condition for the COND_EXPR and handle predicate negation
711         by swapping the COND_EXPR arms.
712
713 2012-04-13  Richard Guenther  <rguenther@suse.de>
714
715         PR c/52862
716         * convert.c (convert_to_pointer): Remove special-casing of
717         zero.
718
719 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
720
721         Backport from mainline
722         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
723
724         PR target/52775
725         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
726         the list of options to enable the FCFID instruction.
727         (TARGET_EXTRA_BUILTINS): Adjust comment.
728
729 2012-04-12  Richard Guenther  <rguenther@suse.de>
730
731         PR tree-optimization/52943
732         * tree-chrec.h (chrec_is_positive): Remove.
733         * tree-scalar-evolution.c (chrec_is_positive): Move ...
734         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
735         Return false for a constant zero instead of negative.
736         (analyze_siv_subscript_cst_affine): Handle zero difference
737         in the initial condition explicitely.
738
739 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
740
741         PR middle-end/52894
742         * varasm.c (process_pending_assemble_externals): Set
743         pending_assemble_externals_processed true.
744         (assemble_external): Call assemble_external_real if the pending
745         assemble externals have been processed.
746
747 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
748
749         PR target/52717
750         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
751         the DECL generated for the special GOT helper.
752
753 2012-04-06  Walter Lee  <walt@tilera.com>
754
755         Backport from mainline
756         2012-03-07  Walter Lee  <walt@tilera.com>
757
758         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
759         REG_CFA_* notes for the stack pointer.
760         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
761         EH_RETURN_STACKADJ_RTX.
762         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
763         generate REG_CFA_* notes for the stack pointer.
764         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
765         by EH_RETURN_STACKADJ_RTX.
766
767 2012-04-06  Matt Turner  <mattst88@gmail.com>
768
769         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
770
771 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
772
773         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
774         of the destination isn't also a FP_REGS register.
775
776 2012-04-03  Richard Guenther  <rguenther@suse.de>
777
778         Backport from mainline
779         2012-03-02  Richard Guenther  <rguenther@suse.de>
780
781         PR tree-optimization/52406
782         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
783         (struct indices): Add unconstrained_base member.
784         (struct dr_alias): Remove unused vops member.
785         (DR_UNCONSTRAINED_BASE): New define.
786         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
787         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
788         be an artificial access that covers the whole indexed object,
789         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
790         plain decl base-objects to their MEM_REF variant.
791         (dr_may_alias_p): When the base-object of either data reference
792         has unknown size use only points-to information.
793         (compute_affine_dependence): Make dumps easier to read and
794         more verbose.
795         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
796         DR_REF when looking for packed references.
797         (vect_supportable_dr_alignment): Likewise.
798
799 2012-04-03  Richard Guenther  <rguenther@suse.de>
800
801         Backport from mainline
802         2012-03-15  Richard Guenther  <rguenther@suse.de>
803
804         PR middle-end/52580
805         * tree-data-ref.c (subscript_dependence_tester_1): Check
806         all dimensions for non-conflicting access functions.
807
808 2012-04-03  Richard Guenther  <rguenther@suse.de>
809
810         Backport from mainline
811         2012-03-06  Richard Guenther  <rguenther@suse.de>
812
813         PR middle-end/52493
814         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
815
816         2012-03-23  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/52678
819         * tree-vectorizer.h (struct _stmt_vec_info): Add
820         loop_phi_evolution_part member.
821         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
822         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
823         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
824         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
825         Use the cached evolution part and the PHI nodes value from
826         the loop preheader edge instead of re-analyzing the evolution.
827
828         2012-03-26  Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/52701
831         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
832         compute and set the evolution part of PHI nodes.
833
834         2012-03-30  Richard Guenther  <rguenther@suse.de>
835
836         PR tree-optimization/52754
837         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
838         propagate arbitrary addresses into really plain dereferences.
839
840 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
841
842         PR tree-optimization/52835
843         * tree-data-ref.c (build_rdg): Return NULL if
844         compute_data_dependences_for_loop failed.
845
846 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
847
848         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
849         (stmt_can_make_abnormal_goto): Use it.
850         (is_ctrl_altering_stmt): Likewise.
851
852 2012-03-31  Martin Jambor  <mjambor@suse.cz>
853
854         Backported from mainline
855         2012-03-30  Martin Jambor  <mjambor@suse.cz>
856
857         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
858         is a builtin_stack_save in a dominating BB.
859
860 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
861
862         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
863         crossing 128bit lane boundary.
864
865 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
866
867         Backported from mainline
868         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
869
870         PR target/52698
871         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
872         New prototype.
873         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
874         * config/i386/i386.c: Include reload.h.
875         (ix86_legitimize_reload_address): New function.
876
877 2012-03-28  Martin Jambor  <mjambor@suse.cz>
878
879         Backported from mainline
880         2012-03-27  Martin Jambor  <mjambor@suse.cz>
881
882         PR middle-end/52693
883         * tree-sra.c (sra_modify_assign): Do not call
884         load_assign_lhs_subreplacements when working with an unscalarizable
885         region.
886
887 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
888
889         PR middle-end/52691
890         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
891         __builtin_va_start to __builtin_next_arg if the latter is
892         builtin_decl_explicit_p rather than when it is not.
893
894         PR middle-end/52750
895         * tree-vect-generic.c (vector_element): Perform multiplication
896         for pos in bitsizetype type instead of idx type.
897
898 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
899
900         Backport from 2012-03-28 mainline r185910.
901
902         PR target/52692
903         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
904         (avr_builtin_decl): New static function.
905         (struct avr_builtin_description, avr_bdesc): Move up.
906         Add GTY marker. Add field fndecl. Remove redundant field id.
907         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
908         (avr_expand_builtin): Code cleanup because .id is removed.
909
910 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
911
912         PR middle-end/51893
913         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
914         targets.
915
916 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
917
918         Backport from 2012-03-28 mainline r185907.
919
920         PR target/52737
921         * config.gcc (tm_file): Remove avr/multilib.h.
922
923         * doc/invoke.texi (AVR Options): Adjust
924         documentation of -mtiny-stack.
925
926         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
927         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
928         * config/avr/t-avr: Remove generation of multilib.h.
929         * config/avr/t-multilib: Regenerate.
930         * config/avr/multilib.h: Remove.
931         * config/avr/avr.opt (-msp8): New option.
932         (avr_sp8): New variable.
933         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
934         * config/avr/avr.h (AVR_HAVE_SPH): New define.
935         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
936         (avr_device_to_sp8): New prototype.
937         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
938         (DRIVER_SELF_SPECS): New define.
939         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
940         __AVR_SP8__, __AVR_HAVE_SPH__.
941         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
942         AVR_HAVE_8BIT_SP to decide if SP_H is present.
943         (avr_file_start): Ditto.
944
945 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
946
947         PR target/52736
948         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
949         instead of 8 in adjust_address.
950
951 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
952
953         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
954         of a unit before computing the offset in units.
955
956 2012-03-27  Richard Guenther  <rguenther@suse.de>
957
958         PR middle-end/52720
959         * fold-const.c (try_move_mult_to_index): Handle &x.array more
960         explicitely.
961
962 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
963
964         PR target/52610
965         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
966
967 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
968
969         PR middle-end/52640
970         * varasm.c: Include pointer-set.h.
971         (pending_assemble_externals_set): New pointer set.
972         (process_pending_assemble_externals): Destroy the pointer set.
973         (assemble_external): See if decl is in pending_assemble_externals_set,
974         and add it to pending_assemble_externals if necessary.
975         (init_varasm_once): Allocate pending_assemble_externals_set.
976
977 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
978
979         Backported from mainline
980         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
981
982         PR target/50310
983         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
984         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
985         (vector_ltgt<mode>): Likewise.
986         (vector_ordered<mode>): Likewise.
987         (vector_unordered<mode>): Likewise.
988         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
989
990 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
991
992         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
993         Make static.
994
995 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
996
997         Backported from mainline
998         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
999
1000         PR target/48596
1001         PR target/48806
1002         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1003         GENERAL_REGS and FP_REGS for SImode.
1004
1005 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR middle-end/52547
1008         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1009         on any new_local_var_chain vars declared during recursing on
1010         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1011
1012 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1013
1014         Backport from 2012-03-22 mainline r185692.
1015
1016         PR target/52496
1017         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1018         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1019         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1020         (delay_cycles_1, delay_cycles_2): Ditto.
1021         (delay_cycles_3, delay_cycles_4): Ditto.
1022         (nopv, *nopv): Ditto.
1023         (sleep, *sleep): Ditto.
1024         (wdr, *wdr): Ditto.
1025
1026         Backport from 2012-03-21 mainline r185605.
1027
1028         PR rtl-optimization/52543
1029         PR target/52461
1030         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1031         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1032         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1033         (avr_load_libgcc_p): Restrict to __flash loads.
1034         (avr_out_lpm): Only handle 1-byte loads from __flash.
1035         (avr_load_lpm): New function.
1036         (avr_find_unused_d_reg): Remove.
1037         (avr_out_lpm_no_lpmx): Remove.
1038         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1039         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1040         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1041         (load_<mode>, load_<mode>_clobber): New insns.
1042         (mov<mode>): For multi-byte move from non-generic
1043         16-bit address spaces: Expand to load_<mode> resp.
1044         load_<mode>_clobber.
1045         (load<mode>_libgcc): Remove expander.
1046         (split-lpmx): Remove split.
1047
1048         Backport from 2012-03-13 mainline r185329.
1049
1050         PR target/52488
1051         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1052         offset (size) to a value the insns can deal with.
1053         (expand_epilogue): Ditto.
1054
1055         Backport from 2012-03-12 mainline r185256.
1056
1057         PR target/52499
1058         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1059         type from reg_class_t to enum reg_class.
1060         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1061
1062         Backport from 2012-03-12 mainline r185253.
1063
1064         PR target/52148
1065         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1066         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1067         r184615 from 2012-02-28.
1068
1069         Backport from 2012-03-08 mainline r185105.
1070
1071         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1072         for constants in [-63,63].
1073
1074         Backport from 2012-03-08 mainline r185100.
1075
1076         PR target/52496
1077         * config/avr/avr.c (avr_mem_clobber): New static function.
1078         (avr_expand_delay_cycles): Add memory clobber operand to
1079         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1080         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1081         (enable_interrupt, disable_interrupt): New expander.
1082         (nopv, sleep, wdr): New expanders.
1083         (delay_cycles_1): Add memory clobber.
1084         (delay_cycles_2): Add memory clobber.
1085         (delay_cycles_3): Add memory clobber.
1086         (delay_cycles_4): Add memory clobber.
1087         (cli_sei): New insn from former "enable_interrupt",
1088         "disable_interrupt" with memory clobber.
1089         (*wdt): New insn from former "wdt" with memory clobber.
1090         (*nopv): Similar, but for "nopv".
1091         (*sleep): Similar, but for "sleep".
1092
1093         Backport from 2012-03-07 mainline r185043.
1094
1095         PR target/52484
1096         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1097
1098         Backport from 2012-03-07 mainline r185032.
1099
1100         PR target/52506
1101         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1102         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1103         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1104
1105         Backport from 2012-03-07 mainline r185031.
1106
1107         PR target/52505
1108         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1109         from RAM.
1110         * config/avr/avr.md (xload_8): Adjust insn length.
1111
1112         Backport from 2012-03-07 mainline r185030.
1113
1114         PR target/52461
1115         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1116         if RAMPZ affects reading from RAM.
1117
1118         Backport from 2012-03-05 mainline r184919.
1119
1120         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1121
1122 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1123
1124         Backport from mainline r185259.
1125
1126         PR other/52545
1127         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1128         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1129
1130 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1131
1132         Backported from mainline
1133         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1134
1135         PR c/52577
1136         * c-parser.c (c_parser_postfix_expression)
1137         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1138
1139         * config/i386/smmintrin.h: Avoid /* within a comment.
1140         * config/i386/nmmintrin.h: Likewise.
1141
1142 2012-03-22  Richard Guenther  <rguenther@suse.de>
1143
1144         * BASE-VER: Set to 4.7.1.
1145         * DEV-PHASE: Set to prerelease.
1146
1147 2012-03-22  Release Manager
1148
1149         * GCC 4.7.0 released.
1150
1151 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1152
1153         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1154
1155 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1156             Andrew Pinski  <apinski@cavium.com>
1157
1158         PR middle-end/52592
1159         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1160         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1161         calls instead of __builtin_ir{int,ound}*.
1162
1163 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1164
1165         PR c++/52582
1166         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1167         if c_node is NULL.
1168
1169 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1170
1171         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1172         Refer to GCC 4.7 version of c99status.html.
1173
1174 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1175
1176         Backport from mainline
1177         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1178
1179         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1180         redefine to be NULL if the current bit-size is different from the
1181         configured bit-size.
1182
1183         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1184         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1185         set the default tuning.  Add asserts to make sure the cpu and tune
1186         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1187         test whether the index is set, instead of > 0.
1188         (rs6000_file_start): Do not reset the default cpu if the current
1189         bit-size is different from the configured bit-size.
1190
1191 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1192
1193         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1194         binutils reference.
1195         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1196         Update binutils references.
1197         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1198         Update binutils reference.
1199         Update Sun as/GNU ld caveat.
1200         Document binutils largefile requirement for LTO plugin.
1201         Remove reference to alternate libpthread.
1202
1203 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1204
1205         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1206         reference.
1207         (Specific, mips-sgi-irix6): Likewise.
1208
1209 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1210
1211         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1212         * configure: Regenerate.
1213
1214 2012-03-07  Richard Henderson  <rth@redhat.com>
1215
1216         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1217         * config/m68k/sync.md (atomic_test_and_set): Use it.
1218         (atomic_test_and_set_1): Likewise.
1219
1220 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1221
1222         PR target/51417
1223         * Makefile.in: Let install-gcc-ar depend on installdirs,
1224         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1225         Don't double canonicalize if cross-compiling.
1226
1227 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1228
1229         * trans-mem.c: New typedef for tm_region_p.
1230         Define vector types for tm_region_p.
1231         (tm_region_init): Replace region_worklist to a vector called
1232         bb_regions.
1233
1234 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1235
1236         PR middle-end/52463
1237         * trans-mem.c (tm_region_init): Use last_basic_block.
1238
1239 2012-03-05  Richard Henderson  <rth@redhat.com>
1240
1241         PR tree-opt/52242
1242         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1243         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1244         BIGGEST_ALIGNMENT is aligned.
1245
1246 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1247
1248         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1249
1250 2012-03-05  Richard Henderson  <rth@redhat.com>
1251
1252         PR target/52481
1253         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1254         instead of calling negqi2 directly.
1255
1256 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1257
1258         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1259         (INTMAX_TYPE): Use it.
1260         (UINTMAX_TYPE): Likewise.
1261         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1262         (irix6_c_common_override_options): Declare.
1263         (C_COMMON_OVERRIDE_OPTIONS): Define.
1264         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1265         * config/mips/irix6-c.c: New file.
1266         * config/mips/t-irix6 (irix6-c.o): New target.
1267         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1268         cxx_target_objs.
1269
1270 2012-03-02  Richard Henderson  <rth@redhat.com>
1271
1272         * optabs.c (expand_atomic_test_and_set): Honor
1273         atomic_test_and_set_trueval even when atomic_test_and_set
1274         optab is not in use.
1275
1276 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1277
1278         Backport from mainline
1279         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1280
1281         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1282
1283 2012-03-02  Richard Guenther  <rguenther@suse.de>
1284
1285         * DEV-PHASE: Set to prerelease.
1286
1287 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1288
1289         * config.gcc (obsolete): Add all ARM targets using the FPA.
1290         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1291         * doc/install.texi: Avoid references to obsolete ARM ports.
1292
1293 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1294
1295         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1296
1297 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1298             Joern Rennecke  <joern.rennecke@embecosm.com>
1299
1300         * doc/extend.texi: Expand and update information on interrupt
1301         attribute for Epiphany.
1302
1303 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1304
1305         * config/sh/sh-protos.h: Update copyright notice dates.
1306         * config/sh/sh.h: Likewise.
1307         * config/sh/sh.md: Likewise.
1308         * config/sh/constraints.md: Likewise.
1309         * config/sh/predicates.md: Likewise.
1310
1311 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1312
1313         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1314         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1315
1316 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1317
1318         * config/sh/constraints.md: Fix comment typo.
1319
1320 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1321
1322         PR target/52408
1323         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1324         unsigned HOST_WIDE_INT.
1325         (zvdep_imm64): Likewise.
1326         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1327         (vdepi_and): Likewise.
1328         Likewise for unamed 64-bit patterns.
1329         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1330
1331 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1332
1333         PR debug/52001
1334         PR rtl-optimization/52417
1335         * cselib.c (cselib_any_perm_equivs): New variable.
1336         (cselib_reset_table): Check that it's not set when not
1337         preserving constants.
1338         (cselib_add_permanent_equiv): Set it.
1339         (cselib_have_permanent_equivalences): New.
1340         (cselib_init, cselib_finish): Reset it.
1341         * cselib.h (cselib_have_permanent_equivalences): Declare.
1342         * alias.c (get_addr): Restore earlier behavior when there
1343         aren't permanent equivalences.
1344
1345 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1346
1347         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1348         * config/v850/v850-modes.def: Fix copyright notice.
1349
1350 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1351
1352         * doc/extend.texi (AVR Built-in Functions): Document
1353         __builtin_avr_flash_segment.
1354
1355         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1356         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1357         (*split.flash_segment): New insn-and-split.
1358         * config/avr/avr.c (avr_init_builtins): Add local variables:
1359         const_memx_void_node, const_memx_ptr_type_node,
1360         char_ftype_const_memx_ptr.
1361
1362 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1363
1364         PR tree-optimization/52445
1365         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1366         add ssa_name_ver, offset and size fields and change store field
1367         to bool.
1368         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1369         (add_or_mark_expr): Likewise.  Only consider previous stores
1370         with the same size and offset.
1371         (nt_init_block): Only look at gimple_assign_single_p stmts,
1372         doesn't look at rhs2.
1373
1374 2012-03-01  Richard Guenther  <rguenther@suse.de>
1375
1376         PR middle-end/52443
1377         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1378         conversions from integral types to pointer types.
1379
1380 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1381
1382         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1383         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1384         unintentionally removed in r184616.
1385
1386 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1387
1388         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1389         3DNow from bdver1.
1390
1391 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1392             Uros Bizjak  <ubizjak@gmail.com>
1393
1394         PR target/52437
1395         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1396         alternatives, add "e" constraint to the new last alternative
1397         and ! to last 3 alternatives.
1398
1399 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1400
1401         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1402         DW_AT_artificial attributes at the end of the processing.
1403         (gen_array_type_die): Likewise.
1404         (gen_enumeration_type_die): Likewise.
1405         (gen_struct_or_union_type_die): Likewise.
1406         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1407         the parent type.
1408
1409 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1410
1411         PR middle-end/52419
1412         * expr.c (expand_assignment): If doing misaligned store that doesn't
1413         cover all mode bits, perform a RMW cycle.
1414
1415         PR tree-optimization/52429
1416         * tree-parloops.c (separate_decls_in_region_debug): Return early
1417         if var is LABEL_DECL.
1418
1419 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1420
1421         PR tree-optimization/52424
1422         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1423         calling dom_thread_across_edge.
1424
1425 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1426
1427         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1428
1429 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1430
1431         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1432         * config/avr/avr.c (avr_output_bld): Remove unused function.
1433         (avr_out_sbxx_branch): Use "%T" to print bit position.
1434
1435 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1436
1437         * config/avr/avr.md: Untabify.
1438
1439 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1440
1441         * config/avr/avr.md (eqne): New code iterator.
1442         (*dec-and-branchsi): Use it in text peephole's condition.
1443         (*dec-and-branchhi): Ditto.
1444         (*dec-and-branchqi): Ditto.
1445
1446 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1447
1448         PR target/49939
1449         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1450         the device does not have the skip-bug.
1451
1452 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1453
1454         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1455         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1456         -mpretend-cmove): New.
1457
1458 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1459
1460         PR bootstrap/52397
1461         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1462         doesn't count DEBUG_INSN refs.
1463         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1464         for DEBUG_INSN refs.
1465
1466 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1467
1468         Partially revert:
1469
1470         2012-02-20  Richard Guenther  <rguenther@suse.de>
1471         PR tree-optimization/52298
1472         * tree-vect-stmts.c (vectorizable_load): Properly use
1473         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1474         outer loops.
1475
1476 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1477
1478         PR middle-end/51752
1479         * gimple.h (gimple_in_transaction): New.
1480         (gimple_set_in_transaction): New.
1481         (struct gimple_statement_base): Add in_transaction field.
1482         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1483         transaction loads.
1484         (tree_ssa_lim_initialize): Compute transaction bits.
1485         * tree.h (compute_transaction_bits): Protoize.
1486         * trans-mem.c (tm_region_init): Use the heap to store BB
1487         auxilliary data.
1488         (compute_transaction_bits): New.
1489
1490 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1491
1492         * gcc.c (display_help): Document --help=common and sort entries
1493         alphabetically.
1494
1495 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1496
1497         * doc/install.texi: Document check-$LANG specific shortcuts
1498
1499 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1500
1501         PR target/51534
1502         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1503         and vcgtu.
1504         * config/arm/arm_neon.h: Regenerate.
1505         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1506         (neon_vcgeu): New insn.
1507         (neon_vcgtu): Likewise.
1508         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1509         (ops): Unsigned comparison intrinsics call a different
1510         builtin.
1511
1512 2012-02-28  Richard Guenther  <rguenther@suse.de>
1513
1514         PR target/52407
1515         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1516         ordering for the VEC_CONCAT for two element vectors for
1517         V2SFmode, V2SImode and V2DImode.
1518
1519 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1520
1521         PR target/49448
1522         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1523         detecting big-endian triplets.
1524
1525 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1526
1527         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1528         mode if there is no type information available.
1529
1530 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1531
1532         PR tree-optimization/53207
1533         * doc/invoke.texi: Document as experimental and relying on graphite.
1534
1535 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1536
1537         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1538         of initializer to changes from r184614.
1539
1540 2012-02-28  Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/52395
1543         * tree-sra.c (build_ref_for_offset): Also look at the base
1544         TYPE_ALIGN when figuring out the alignment of the replacement.
1545
1546 2012-02-28  Richard Guenther  <rguenther@suse.de>
1547
1548         PR tree-optimization/52402
1549         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1550         mis-aligned types when creating the accesses at the call site.
1551
1552 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1553
1554         * config/avr/builtins.def: New file.
1555         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1556         * config/avr/avr.c (enum avr_builtin_id): Use it.
1557         (avr_init_builtins): Use it. And use avr_bdesc.
1558         (bdesc_1arg): Remove.
1559         (bdesc_2arg): Remove.
1560         (bdesc_3arg): Remove.
1561         (struct avr_builtin_description): Add field n_args.
1562         (avr_bdesc): New static variable using builtins.def.
1563         (avr_expand_builtin): Use it.
1564         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1565         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1566         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1567
1568 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1569
1570         PR target/52148
1571         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1572         match only one single hard register with respective hard reg rtx.
1573         (movmemx_<mode>): Ditto.
1574         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1575         insn anatomy of movmem[x]_<mode>.
1576         (avr_out_movmem): Same for printing assembler and operand usage.
1577
1578 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1579
1580         PR target/49868
1581         PR target/52261
1582         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1583         address spaces located outside of device flash.
1584
1585         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1586         (mcu_type_s): Add field n_flash.
1587         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1588         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1589         (AVR_MCU): Add N_FLASH argument.
1590         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1591         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1592         macro __FLASH<n> if that address space makes sense for the device.
1593         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1594         outside of target flash.
1595         (avr_asm_named_section): Ditto.
1596         (avr_asm_select_section): Ditto.
1597         (avr_addr_space_convert): Ditto.
1598         (avr_emit_movmemhi): Ditto.
1599         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1600         address space is outside of device flash.
1601         (avr_insert_attributes): Ditto.
1602         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1603         avr_current_arch->n_segments.
1604
1605 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1606
1607         PR target/52352
1608         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1609         TARGET_LP64.
1610         (*movabs<mode>_2): Likewise.
1611
1612 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR target/52375
1615         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1616         s_register_operand in the test instead of REG_P.  Don't call
1617         gen_reg_rtx if it won't be used.
1618
1619         PR tree-optimization/52376
1620         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1621
1622 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1623
1624         * ifcvt.c (noce_get_condition): Check condition variable is not
1625         small_register_classes_for_mode_p before accepting.
1626
1627 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1628
1629         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1630
1631 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1632
1633         Revert:
1634         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1635         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1636         tuning parameters.
1637         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1638
1639 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1640
1641         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1642
1643 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1644
1645         * config/sh/predicates.md: Remove blank lines.
1646         * config/sh/sh.c: Fix typos in comments.
1647         * config/sh/constraints.md: Likewise.
1648         * config/sh/sh.md: Remove blank lines.
1649         Fix typos in comments.  Use ;; as comment characters.
1650
1651 2012-02-26  Walter Lee  <walt@tilera.com>
1652
1653         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1654         (replace_mov_pcrel_step2): Ditto.
1655
1656 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1657
1658         PR debug/52001
1659         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1660         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1661         and locs that reference values newer than the non-canonical value
1662         at hand.  Return the canonical value as a worst case.
1663         (memrefs_conflict_p): Walk canonical value's locs.
1664
1665         PR debug/52001
1666         * cselib.c (preserve_only_constants): Rename to...
1667         (preserve_constants_and_equivs): ... this.  Split out...
1668         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1669         of other preserved expressions too.
1670         (cselib_reset_table): Adjust.
1671         * var-tracking.c (reverse_op): Use canonical value to build
1672         reverse operation.
1673
1674 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1675
1676         * config/i386/i386.c (ix86_delegitimize_address): Handle
1677         UNSPEC_PCREL plus displacement.
1678
1679 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1680
1681         PR target/52261
1682         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1683         to test for unusedness in st X addressing.
1684
1685 2012-02-24  Richard Guenther  <rguenther@suse.de>
1686
1687         PR middle-end/52361
1688         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1689         (is_gimple_reg_type): Move inline ...
1690         * gimple.h (is_gimple_reg_type): ... here.
1691
1692 2012-02-24  Richard Guenther  <rguenther@suse.de>
1693
1694         PR middle-end/52361
1695         * passes.c (execute_function_todo): When verifying SSA form
1696         verify gimple form first.
1697         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1698
1699 2012-02-24  Richard Guenther  <rguenther@suse.de>
1700
1701         PR middle-end/52355
1702         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1703         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1704
1705 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1706
1707         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1708
1709 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1710
1711         * tree-phinodes.c (make_phi_node): Mark static.
1712         * tree-flow.h (make_phi_node): Remove extern decl.
1713         * doc/gimple.texi (make_phi_node): Remove documentation.
1714
1715 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1716
1717         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1718         * tree-ssa-sccvn.c (print_scc): Ditto.
1719
1720 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1721
1722         * doc/passes.texi (Full redundancy elimination): Fix typo.
1723
1724 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1725
1726         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1727
1728 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1729
1730         PR bootstrap/52287
1731         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1732
1733 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1734
1735         PR c/52290
1736         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1737
1738 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1739
1740         * config/avr/avr.md (code_stdname): Add ior, xor.
1741         (xior): New code iterator.
1742         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1743         (*<code_stdname><mode>qi.byte1-3): Ditto.
1744
1745 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1746
1747         PR tree-optimization/52019
1748         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1749         CLOBBER stmts.
1750
1751 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1752
1753         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1754         HAVE_INITFINI_ARRAY to work around namespace pollution in
1755         certain versions of newlib system headers.
1756         * config.in: Regenerate.
1757         * configure: Regenerate.
1758         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1759         instead of HAVE_INITFINI_ARRAY.
1760
1761 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1762
1763         PR target/52330
1764         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1765         is not offsettable memory reference.
1766
1767 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1768
1769         PR target/18145
1770         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1771         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1772
1773 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1774
1775         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1776         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1777
1778 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1779
1780         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1781         library on Solaris 8 even without TLS support.
1782         * configure: Regenerate.
1783
1784 2012-02-22  Richard Guenther  <rguenther@suse.de>
1785
1786         PR middle-end/52329
1787         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1788         for GIMPLE_DEBUG stmts.
1789
1790 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1791
1792         PR middle-end/51782
1793         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1794         according to the base object.
1795
1796 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1797
1798         PR rtl-optimization/50063
1799         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1800         and 2 (8-bit SP) in operand 2.
1801         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1802         setup to use movhi_sp_r instead of vanilla move to write SP.
1803         Adjust REG_CFA notes to superseed unspec.
1804         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1805         of vanilla move.
1806         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1807         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1808         irq_state 1 (IRQ known to be on) here.
1809
1810 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1811
1812         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1813         WORDS_BIG_ENDIAN.
1814         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1815         assign_hard_reg): Likewise.
1816
1817 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1818
1819         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1820
1821 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1822
1823         * config/avr/avr.md
1824         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1825         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1826
1827 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1828
1829         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1830         prototype from here to...
1831         * config/avr/avr.h: ...here.
1832
1833 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1834
1835         PR target/52294
1836         * thumb2.md (thumb2_shiftsi3_short): Split register and
1837         immediate shifts.  For register shifts tie operands 0 and 1.
1838         (peephole2 for above): Check that register-controlled shifts
1839         have suitably tied operands.
1840
1841 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1842
1843         PR target/52137
1844         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1845         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1846         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1847         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1848         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1849         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1850         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1851         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1852         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1853         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1854         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1855         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1856         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1857         bdver1_ssevector_avx256_unaligned_load,
1858         bdver1_ssevector_sse128_unaligned_load,
1859         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1860         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1861         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1862         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1863         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1864         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1865         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1866         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1867         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1868         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1869         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1870         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1871         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1872         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1873         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1874         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1875         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1876         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1877         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1878         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1879         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1880         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1881         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1882         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1883         bdver1_ssediv_double_load, bdver1_ssediv_double,
1884         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1885         Add "bdver2" attribute.
1886
1887 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1888
1889         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1890         default if possible and not specified otherwise.
1891
1892 2012-02-21  Richard Guenther  <rguenther@suse.de>
1893
1894         PR middle-end/52314
1895         * gimplify.c (create_tmp_from_val): Use the main variant type
1896         for the type of the temporary we create.
1897
1898 2012-02-21  Richard Guenther  <rguenther@suse.de>
1899
1900         PR tree-optimization/52324
1901         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1902         do not gimplify a MEM_REF address operand if it is already
1903         in suitable form.
1904
1905 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1906
1907         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1908         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1909
1910 2012-02-21  Richard Guenther  <rguenther@suse.de>
1911
1912         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1913         nested_in_vect_loop.
1914
1915 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR tree-optimization/52318
1918         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1919         vdef also to non-pure/const call stmts in the sequence.
1920
1921 2012-02-20  David S. Miller  <davem@davemloft.net>
1922
1923         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1924         don't use the "rd %pc" instruction on v9 for PIC register loads.
1925
1926 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1927
1928         PR middle-end/52141
1929         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1930         in a transaction safe function.
1931
1932 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1933
1934         PR target/52238
1935         * stor-layout.c (place_field): Handle desired_align for
1936         ms-bitfields, too.
1937
1938 2012-02-20  Richard Guenther  <rguenther@suse.de>
1939
1940         PR tree-optimization/52298
1941         * tree-vect-stmts.c (vectorizable_store): Properly use
1942         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1943         outer loops.
1944         (vectorizable_load): Likewise.
1945         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1946         Access DR_STEP after ensuring it is not NULL.
1947
1948 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1949
1950         PR tree-optimization/52286
1951         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1952         optimization use double_int_to_tree instead of build_int_cst_wide,
1953         rewrite to use double_int vars.
1954
1955 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1956
1957         PR target/50166
1958         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1959         Define _start.
1960         Remove -e 0 from $gcc_cv_ld invocation.
1961         Only use __GLIBC_PREREQ if defined.
1962         Enable on Solaris since Solaris 8 patch.
1963         (gcc_SUN_LD_VERSION): New macro.
1964         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1965         gcc_SUN_LD_VERSION for version number format.
1966         * configure: Regenerate.
1967         * varasm.c (get_elf_initfini_array_priority_section): Set
1968         SECTION_NOTYPE for non-default priority.
1969         Use get_section instead of get_unnamed_section to emit
1970         .init_array/.fini_array with default priority.
1971
1972 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1973
1974         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1975         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1976         (mips_start_unique_function, mips_output_mips16_rdhwr)
1977         (mips_code_end): New functions.
1978         (TARGET_ASM_CODE_END): Define.
1979
1980 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1981
1982         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1983         to stubs with non-sibling calls.
1984
1985 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1986
1987         * doc/invoke.texi (-fira-* options): Copy-edit.
1988         (ira-* parameters): Copy-edit.
1989
1990 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1991
1992         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1993         GCC coding conventions.
1994
1995 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1996
1997         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1998         when used as adjectives.
1999
2000 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2001
2002         * doc/invoke.texi: Clean up "that"/"which" confusion.
2003
2004 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2005
2006         * system.h: Poison SMALL_REGISTER_CLASSES
2007         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2008         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2009
2010 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2011
2012         PR tree-optimization/52285
2013         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2014         when deciding if a call is a tail call or tail recursion.
2015
2016 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2017
2018         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2019         interger-constant displacement for UNSPEC_PCREL.
2020
2021 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2022
2023         PR rtl-optimization/52208
2024         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2025         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2026
2027         PR tree-optimization/52255
2028         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2029         loop->header has virtual PHI, but exit_e->dest doesn't, add
2030         virtual PHI to exit_e->dest and adjust all uses after the loop.
2031
2032         PR debug/52260
2033         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2034         children with clone_tree_hash, not after it.
2035
2036 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2037
2038         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2039         extended identifiers.
2040
2041 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2042
2043         PR middle-end/51929
2044         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2045         a same_body_alias, also test whether e->callee isn't a former
2046         or current clone of the decl this is a same body alias of.
2047
2048         PR translation/52264
2049         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2050
2051 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2052
2053         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2054
2055 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2056
2057         PR target/52199
2058         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2059         force_reg instead of copy_to_reg for better optimization.  Force
2060         non-register or memory operands into a register.
2061
2062 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2063
2064         * extend.texi: Reserve upper bits of memory model for future use.
2065
2066 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2067             Anatoly Sokolov <aesok@post.ru>
2068             Eric Weddington <eric.weddington@atmel.com>
2069
2070         PR target/52261
2071         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2072         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2073         Rewrite initializers for .macro.
2074         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2075         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2076         atxmega32d4, atxmega32x1.
2077         avrxmega4: atxmega64a3, atxmega64d3.
2078         avrxmega5: atxmega64a1, atxmega64a1u.
2079         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2080         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2081         avrxmega7: atxmega128a1, atxmega128a1u.
2082         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2083         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2084         (struct base_arch_s): Rename reserved to xmega_p.
2085         Rename reserved2 to have_rampd.
2086         (AVR_XMEGA): New define.
2087         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2088         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2089         * config/avr/predicates.md (io_address_operand): Take into
2090         account SFR offset.
2091         (low_io_address_operand): Ditto.
2092         (high_io_address_operand): Ditto.
2093         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2094         (enabled, movhi_sp_r): Use them.
2095         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2096         cpp_define_formatted to built-in define __AVR_ARCH__.
2097         (__AVR_XMEGA__): New built-in define.
2098         (__AVR_HAVE_RAMPD__): New built-in define.
2099         (__AVR_HAVE_RAMPX__): New built-in define.
2100         (__AVR_HAVE_RAMPY__): New built-in define.
2101         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2102
2103         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2104         (avr_option_override): Initialize them.
2105         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2106         (avr_init_expanders): Initialize them. No more block several calls.
2107         (emit_push_sfr): New static function.
2108         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2109         Handle AVR_XMEGA.
2110         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2111         (avr_print_operand): Print addreeses as symbols for
2112         RAMPX, RAMPY, RAMPD, CCP.
2113         (output_movhi): Handle AVR_XMEGA when writing to SP.
2114         (avr_out_movhi_mr_r_xmega): New static function.
2115         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2116         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2117         __RAMPD__,  __CCP__ as needed.
2118
2119         * config/avr/multilib.h: Regenerate.
2120         * config/avr/t-multilib: Regenerate.
2121         * config/avr/avr-tables.opt: Regenerate.
2122
2123 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2124
2125         PR tree-optimization/50561
2126         * graphite-flattening.c (lst_project_loop): Do not
2127         remove old scattering dimensions after flattening.
2128         (lst_do_flatten): Likewise.
2129
2130 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2131
2132         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2133         __builtin_avr_map8, __builtin_avr_map16.
2134         Document __builtin_avr_insert_bits.
2135
2136         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2137         (insert_bits): New insn.
2138         (adjust_len.map_bits): Rename to insert_bits.
2139         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2140         * avr-protos.h (avr_out_map_bits): Remove.
2141         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2142         * config/avr/constraints.md (Cxf,C0f): New.
2143         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2144         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2145         New built-in define __BUILTIN_AVR_INSERT_BITS.
2146         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2147         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2148         (avr_move_bits): Rewrite.
2149         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2150         functions.
2151         (avr_map_op_t): New typedef.
2152         (avr_map_op): New static variable.
2153         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2154         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2155         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2156         (bdesc_3arg, avr_expand_triop_builtin): New.
2157         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2158         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2159         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2160         (avr_map_equal_p, avr_map_sig_p): Remove.
2161         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2162         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2163         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2164         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2165         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2166         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2167
2168 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2169
2170         * config/c6x/c6x.md (reserve_cycles): New attribute.
2171         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2172         don't reserve functional units after the branch occurs.
2173
2174 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2175
2176         PR middle-end/52142
2177         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2178         functions into non-tm_pure functions.
2179
2180 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2181
2182         PR lto/52178
2183         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2184         (iterative_hash_canonical_type): Likewise.
2185         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2186         the dead edges.
2187
2188 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2189
2190         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2191         sched-group insn, it either remains alone or the entire list is pruned.
2192
2193 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2194
2195         * doc/install.texi (Prerequisites): Fix grammar.
2196         (Configuration): Likewise.
2197
2198 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2199
2200         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2201         MPC as part of GCC before describing configuring with --with-gmp etc.
2202         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2203         sources are present.
2204
2205 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2206
2207         PR debug/51950
2208         * dwarf2out.c (clone_tree_hash): New function.
2209         (copy_decls_walk): Use it instead of clone_tree.
2210
2211 2012-02-14  Richard Guenther  <rguenther@suse.de>
2212
2213         PR tree-optimization/52244
2214         PR tree-optimization/51528
2215         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2216         replacements for integral types.
2217
2218 2012-02-14  Walter Lee  <walt@tilera.com>
2219
2220         * config.gcc: Handle tilegx and tilepro.
2221         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2222         tilegx and tilepro.
2223         Add HAVE_AS_TLS check for tilegx and tilepro.
2224         * configure: Regenerate.
2225         * doc/contrib.texi: Add Mat Hostetter and self.
2226         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2227         Document instruction intrinsics and network accessing intrinsics.
2228         (TILEPro Built-in Functions): New node.  Document instruction
2229         intrinsics and network accessing intrinsics.
2230         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2231         (Specific, tilepro-*-linux*): Likewise.
2232         * doc/invoke.texi (TILE-Gx Options): New section.
2233         (TILEPro Options): New section.
2234         * doc/md.texi (TILE-Gx): New section.
2235         (TILEPro): New section.
2236         * common/config/tilegx/tilegx-common.c: New file.
2237         * common/config/tilepro/tilepro-common.c: New file.
2238         * config/tilegx/constraints.md: New file.
2239         * config/tilegx/linux.h: New file.
2240         * config/tilegx/mul-tables.c: New file.
2241         * config/tilegx/predicates.md: New file.
2242         * config/tilegx/sync.md: New file.
2243         * config/tilegx/t-tilegx: New file.
2244         * config/tilegx/tilegx-builtins.h: New file.
2245         * config/tilegx/tilegx-c.c: New file.
2246         * config/tilegx/tilegx-generic.md: New file.
2247         * config/tilegx/tilegx-modes.def: New file.
2248         * config/tilegx/tilegx-multiply.h: New file.
2249         * config/tilegx/tilegx-protos.h: New file.
2250         * config/tilegx/tilegx.c: New file.
2251         * config/tilegx/tilegx.h: New file.
2252         * config/tilegx/tilegx.md: New file.
2253         * config/tilegx/tilegx.opt: New file.
2254         * config/tilepro/constraints.md: New file.
2255         * config/tilepro/gen-mul-tables.cc: New file.
2256         * config/tilepro/linux.h: New file.
2257         * config/tilepro/mul-tables.c: New file.
2258         * config/tilepro/predicates.md: New file.
2259         * config/tilepro/t-tilepro: New file.
2260         * config/tilepro/tilepro-builtins.h: New file.
2261         * config/tilepro/tilepro-c.c: New file.
2262         * config/tilepro/tilepro-generic.md: New file.
2263         * config/tilepro/tilepro-modes.def: New file.
2264         * config/tilepro/tilepro-multiply.h: New file.
2265         * config/tilepro/tilepro-protos.h: New file.
2266         * config/tilepro/tilepro.c: New file.
2267         * config/tilepro/tilepro.h: New file.
2268         * config/tilepro/tilepro.md: New file.
2269         * config/tilepro/tilepro.opt: New file.
2270
2271 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2272
2273         PR tree-optimization/52210
2274         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2275         vect_model_simple_cost with two entry vect_def_type array instead
2276         of an address of dt.
2277
2278 2012-02-14  Richard Guenther  <rguenther@suse.de>
2279
2280         PR lto/52178
2281         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2282         Do not stream DECL_QUALIFIER.
2283         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2284         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2285         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2286
2287 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2288
2289         PR c/52181
2290         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2291         newdecl.
2292
2293 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2294
2295         PR bootstrap/52172
2296         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2297         * cselib.c (cselib_subst_to_values_from_insn): New function.
2298         * sched-deps.c (add_insn_mem_dependence,
2299         sched_analyze_1, sched_analyze_2): Use it.
2300
2301 2012-02-13  Jan Hubicka  <jh@suse.cz>
2302
2303         PR middle-end/52214
2304         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2305
2306 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2307
2308         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2309         (GTM_SELF_SPECS): Define if not already defined.
2310         (driver_self_specs): Add GTM_SELF_SPECS.
2311         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2312         (GTM_SELF_SPECS): Define.
2313         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2314         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2315
2316 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2317
2318         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2319         away if seen.
2320
2321         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2322
2323         PR middle-end/52230
2324         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2325         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2326
2327 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2328
2329         PR c/52190
2330         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2331
2332 2012-02-13  Richard Guenther  <rguenther@suse.de>
2333
2334         PR translation/52211
2335         * passes.c (enable_disable_pass): Fix typo.
2336
2337 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2338
2339         PR middle-end/52209
2340         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2341         XOR for reduce_bit_field if type is unsigned.
2342
2343 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2344
2345         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2346         disallow changes from SFmode to mode with different size in FP regs.
2347
2348 2012-02-12  Robert Millan  <rmh@gnu.org>
2349             Gerald Pfeifer <gerald@pfeifer.com>
2350
2351         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2352         Tweak comment.
2353
2354 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2355
2356         PR rtl-optimization/52175
2357         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2358         to frame-related instructions.
2359
2360 2012-02-10  Jason Merrill  <jason@redhat.com>
2361
2362         PR c++/51910
2363         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2364         (demangle_new_symbols): Fill it.
2365         (scan_linker_output): Walk it.
2366         (start_tweaking): Split out from scan_linker_output.
2367         (maybe_tweak): Update sym->chosen.
2368         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2369
2370 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2371
2372         PR debug/52132
2373         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2374
2375 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2376
2377         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2378         having the same mode as previous compare.
2379
2380 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2381
2382         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2383         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2384         (nonlocal_goto_internal): Likewise.
2385         (nonlocal_goto): Emit a use and an indirect jump directly.
2386
2387 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2388
2389         PR c/52190
2390         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2391         __atomic_{is,always}_lock_free.
2392
2393 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2394
2395         PR target/52146
2396         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2397         negative constant address for x32.
2398
2399 2012-02-10  Richard Henderson  <rth@redhat.com>
2400
2401         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2402         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2403         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2404
2405 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2406             Ira Rosen  <irar@il.ibm.com>
2407
2408         PR tree-optimization/50031
2409         * targhooks.c (default_builtin_vectorization_cost): Handle
2410         vec_promote_demote.
2411         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2412         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2413         all types of reduction and pattern statements.
2414         (vect_estimate_min_profitable_iters): Likewise.
2415         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2416         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2417         for explicit realigns.
2418         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2419         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2420         vec_promote_demote.
2421         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2422         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2423         vec_perm for VSX and handle vec_promote_demote.
2424
2425 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2426
2427         PR middle-end/52177
2428         * builtins.c (fold_builtin_atomic_always_lock_free,
2429         expand_builtin_atomic_always_lock_free,
2430         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2431         Return and/or test boolean_true_node/boolean_false_node instead of
2432         integer_one_node/integer_zero_node.
2433
2434 2012-02-10  Jan Hubicka  <jh@suse.cz>
2435
2436         PR middle-end/48600
2437         * predict.c (predict_paths_for_bb): Prevent looping.
2438         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2439
2440 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2441
2442         * config/arm/arm.c (output_move_double): In one case properly
2443         count number of instructions that will be emitted.
2444
2445 2012-02-10  Richard Guenther  <rguenther@suse.de>
2446
2447         PR translation/52193
2448         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2449
2450 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2451
2452         PR middle-end/52140
2453         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2454
2455 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2456
2457         PR debug/52165
2458         * var-tracking.c (emit_note_insn_var_location): If
2459         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2460         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2461         non-NOTE_DURING_CALL_P insn.
2462
2463 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2464
2465         PR middle-end/51867
2466         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2467
2468 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2469
2470         PR driver/48524
2471         * gcc.c (switch_matches) Support switches with separated form,
2472         -D and -U.
2473
2474 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2475
2476         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2477         (SP_ADDR): Ditto.
2478         (RAMPZ_ADDR): Ditto.
2479         * config/avr/avr.c (avr_addr_t): New typedef.
2480         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2481         (avr_init_expanders): Initialize it.
2482         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2483         SREG_ADDR.
2484         (expand_epilogue): Ditto.
2485         (avr_print_operand): Ditto.
2486         (avr_file_start): Ditto.
2487         (avr_emit_movmemhi): Ditto.
2488
2489 2012-02-08  Richard Guenther  <rguenther@suse.de>
2490
2491         PR tree-optimization/46886
2492         * tree-flow.h (do_while_loop_p): Declare.
2493         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2494         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2495
2496 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2497
2498         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2499         always succeed for integers larger than a native word.
2500
2501 2012-02-08  Richard Guenther  <rguenther@suse.de>
2502
2503         PR rtl-optimization/52170
2504         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2505         properly handle integer vector modes.
2506
2507 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2508
2509         PR gcov-profile/52150
2510         * coverage.c: Include target.h.
2511         (build_var): Call targetm.strip_name_encoding on the assembler name.
2512         Change one _ into . or $ if the target allows it.
2513         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2514
2515         PR rtl-optimization/52139
2516         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2517         is a BARRIER after emit_insn_after_noloc, move BB_END
2518         to the last non-BARRIER insn before it.
2519
2520 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2521
2522         PR middle-end/24306
2523         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2524         (mips_gimplify_va_arg_expr): Call it instead of
2525         std_gimplify_va_arg_expr.
2526
2527 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2528
2529         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2530         message for -mno-pointers-to-nested-function.
2531
2532 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2533
2534         PR middle-end/51994
2535         * expr.c (get_inner_reference): If there is an offset, add a negative
2536         bit position to it (if any).
2537
2538 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2539
2540         PR rtl-optimization/52060
2541         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2542         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2543         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2544         and/or i0src_copy2 when needed.
2545
2546 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2547
2548         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2549         or LTOPLUGINSONAME if have_c.
2550
2551         * config/freebsd-spec.h: Add comment about what macros can be defined
2552         in this header.
2553         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2554         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2555         here instead.
2556
2557 2012-02-07  Richard Guenther  <rguenther@suse.de>
2558
2559         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2560         newline in -alias dumps.
2561
2562 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2563             Dave Korn  <dave.korn.cygwin@gmail.com>
2564
2565         PR target/40068
2566         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2567         Take care that typinfo gets dllexport-attribute.
2568
2569 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2570
2571         PR middle-end/52074
2572         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2573         if modifier < EXPAND_SUM call force_operand on the result.
2574
2575 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2576
2577         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2578         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2579         present.
2580         (epiphany_function_type): Replace types for specific interrupts with
2581         EPIPHANY_FUNCTION_INTERRUPT.
2582         (EPIPHANY_INTERRUPT_P): Update.
2583         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2584         New static function.
2585         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2586         <disinterrupt>: Affects type identity.
2587         (epiphany_handle_interrupt_attribute): Handle variable number of
2588         arguments.
2589         (epiphany_compute_function_type): Update for new
2590         epiphany_function_type definition.
2591         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2592         handlers with a longcall forwarder.
2593         (epiphany_start_function): Handle multiple interrupt arguments and/or
2594         forwarder_section attribute.
2595
2596         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2597         libgloss.
2598
2599 2012-02-07  Alan Modra  <amodra@gmail.com>
2600
2601         PR target/52107
2602         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2603         subregs of TFmode.
2604
2605 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2606
2607         PR tree-optimization/50969
2608         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2609         use vec_perm rather than vector_stmt.
2610         (vect_model_load_cost): Likewise.
2611         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2612         vec_perm to be the same as other vector statements.
2613         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2614         cost of vec_perm for TARGET_VSX.
2615
2616 2012-02-06  Richard Guenther  <rguenther@suse.de>
2617
2618         PR tree-optimization/52115
2619         * tree-sra.c (access_has_replacements_p): New function.
2620         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2621
2622 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2623
2624         PR middle-end/52047
2625         * trans-mem.c (expand_call_tm): Add an assertion.
2626         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2627         functions.
2628
2629 2012-02-06  Richard Guenther  <rguenther@suse.de>
2630
2631         PR tree-optimization/50955
2632         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2633         raise cost of expressions that replace an address with an
2634         expression based on a different pointer.
2635
2636 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2637
2638         PR target/52129
2639         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2640         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2641
2642 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2643
2644         PR c++/48680
2645         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2646         -Weffc++ and specify guidelines come from second edition.
2647
2648 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2649
2650         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2651         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2652         (call_direct_split, call_value_split, call_value_internal_direct)
2653         (call_value_direct_split, call_value_multiple_split): Use jal and
2654         jal_macro attributes.
2655
2656 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2657
2658         * reload1.c (reload_regs_reach_end_p): Replace with...
2659         (reload_reg_rtx_reaches_end_p): ...this function.
2660         (new_spill_reg_store): Update commentary.
2661         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2662         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2663         before setting new_spill_reg_store.
2664         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2665         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2666         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2667         for non-spill reload registers.
2668
2669 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2670
2671         PR tree-optimization/52091
2672         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2673         (vect_is_simple_use_1): Likewise.
2674         * tree-vect-loop.c (vectorizable_reduction): Update calls
2675         to vect_is_simple_use_1 and vect_is_simple_use.
2676         (vectorizable_live_operation): Likewise.
2677         * tree-vect-patterns.c (widened_name_p,
2678         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2679         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2680         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2681         vectorizable_shift,vectorizable_operation, vectorizable_store,
2682         vectorizable_load): Likewise.
2683         (vect_is_simple_cond): Add an argument, pass it to
2684         vect_is_simple_use_1.
2685         (vectorizable_condition): Update calls to vect_is_simple_cond,
2686         vect_is_simple_use.
2687         (vect_is_simple_use): Add an argument, the statement in which
2688         OPERAND is used.  Check that if OPERAND's def stmt is a double
2689         reduction phi node, the use is a phi node too.
2690         (vect_is_simple_use_1): Add an argument, pass it to
2691         vect_is_simple_use.
2692         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2693         to vect_is_simple_use.
2694
2695 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2696
2697         PR rtl-optimization/52095
2698         * modulo-sched.c (dump_insn_locator): New function.
2699         (loop_canon_p, sms_schedule): Use it.
2700
2701         PR rtl-optimization/52113
2702         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2703         even for decomposable shift/zext insns.
2704
2705 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2706             Zdenek Dvorak  <ook@ucw.cz>
2707
2708         PR rtl-optimization/52092
2709         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2710         on get_iv_value result.
2711
2712 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2713
2714         PR middle-end/47982
2715         PR middle-end/43967
2716         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2717
2718 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2719
2720         PR middle-end/48071
2721         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2722
2723 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2724
2725         PR rtl-optimization/49800
2726         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2727         (sched_finish): Call regstat_free_n_sets_and_refs.
2728
2729 2012-02-02  Jia Liu  <proljc@gmail.com>
2730
2731         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2732         than operand 2.
2733
2734 2012-02-02  Jan Hubicka  <jh@suse.cz>
2735             Tom de Vries  <tom@codesourcery.com>
2736
2737         PR middle-end/51998
2738         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2739         * varpool.c (varpool_analyze_pending_decls): Likewise.
2740
2741 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2742             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2743
2744         * config.gcc: Add cr16-* support.
2745
2746         * doc/extend.texi: Document cr16 extensions.
2747         * doc/install.texi: Document cr16 install.
2748         * doc/invoke.texi: Document cr16 options.
2749         * doc/md.texi: Document cr16 constraints.
2750
2751         * common/config/cr16/cr16-common.c: New file.
2752         * config/cr16/cr16.c: New file.
2753         * config/cr16/cr16.h: New file.
2754         * config/cr16/cr16.md: New file.
2755         * config/cr16/cr16.opt: New file.
2756         * config/cr16/cr16-protos.h: New file.
2757         * config/cr16/predicates.md: New file.
2758         * config/cr16/constraints.md: New file.
2759         * config/cr16/t-cr16: New file.
2760
2761 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2762
2763         PR target/52086
2764         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2765         that operands[2] is either immediate, or q_regs_operand.
2766
2767         PR tree-optimization/52073
2768         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2769         a pattern stmt for pattern uses, ignore uses outside of the loop.
2770
2771 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2772
2773         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2774         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2775         (OUT_AS1, OUT_AS2): Remove.
2776
2777 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2778
2779         PR rtl-optimization/51374
2780         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2781         to cross other volatile_refs_p insns.
2782
2783 2012-02-01  Richard Guenther  <rguenther@suse.de>
2784
2785         * doc/invoke.texi (fno-inline): Clarify documentation.
2786         (finline-small-functions): Likewise.
2787         (finline-functions): Likewise.
2788         * common.opt (finline): Adjust comment and documentation.
2789         (finline-small-functions): Clarify documentation.
2790         (finline-functions): Likewise.
2791         (finline-functions-called-once): Likewise.
2792
2793 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2794
2795         * c-typeck.c (composite_type): Keep mode for pointers.
2796
2797 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2798
2799         * function.h (regno_reg_rtx): Adjust comment.
2800         * reginfo.c (init_reg_modes_target): Only use the previous mode
2801         if it fits within one register.  Remove MIPS comment.
2802
2803 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2804
2805         PR bootstrap/52058
2806         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2807
2808 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2809
2810         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2811         to srak instruction.
2812
2813 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2814
2815         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2816
2817 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2818
2819         PR bootstrap/52041
2820         PR bootstrap/52039
2821         PR target/51974
2822         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2823
2824 2012-01-31  Richard Guenther  <rguenther@suse.de>
2825
2826         PR tree-optimization/51528
2827         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2828         assigns.
2829
2830 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2831
2832         PR bootstrap/52041
2833         PR bootstrap/52039
2834         PR target/51974
2835         * ree.c (add_removable_extension): Change def_map argument
2836         to unsigned *, store in def_map 1 + offset into *insn_list vector
2837         instead of pointers into the vector.
2838         (find_removable_extensions): Adjust caller.
2839
2840 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2841
2842         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2843         Transform all "* quoted-c-code" to { c-code }.
2844         Remove redundant test for "optimize" in combine patterns.
2845         Move (include "avr-dimode.md") to end of file.
2846
2847 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2848
2849         PR target/51835
2850         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2851         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2852
2853 2012-01-30  Richard Guenther  <rguenther@suse.de>
2854
2855         PR tree-optimization/52028
2856         * tree-loop-distribution.c (ldist_gen): Properly update
2857         virtual SSA form.
2858
2859 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2860
2861         PR debug/52027
2862         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2863         set_cur_line_info_table if not emitting debug info.
2864
2865         PR tree-optimization/52046
2866         * tree-vect-patterns.c (check_bool_pattern): Give up if
2867         a comparison could throw.
2868
2869         PR debug/52048
2870         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2871
2872 2012-01-30  Richard Guenther  <rguenther@suse.de>
2873
2874         PR tree-optimization/52045
2875         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2876         SSA form if cfgcleanup did anything.
2877
2878 2012-01-30  Richard Guenther  <rguenther@suse.de>
2879
2880         PR tree-optimization/52045
2881         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2882         before computing final todo.
2883
2884 2012-01-30  Richard Guenther  <rguenther@suse.de>
2885
2886         PR tree-optimization/51528
2887         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2888         for PR51528 fix.
2889
2890 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2891
2892         * df-problems.c (df_kill_notes): Check that the use refers
2893         to the note under examination.
2894
2895 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2896
2897         PR target/51920
2898         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2899         parameter and use short-lived pseudos.
2900         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2901         (sparc_expand_vector_init): Const-ify local variables and adjust
2902         calls to above functions.
2903
2904 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2905
2906         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2907
2908 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2909
2910         * doc/invoke.texi: Make usage of "compile time" and
2911         "run time"/"runtime" consistent throughout the file.
2912
2913 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2914
2915         * config/alpha/alpha.c (alpha_option_override): Default to
2916         full IEEE compliance mode for Go language.
2917
2918 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2919
2920         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2921         (LINK_SSP_SPEC): Define.
2922
2923 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2924
2925         PR target/51871
2926         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2927         stubs.
2928
2929 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2930
2931         * doc/invoke.texi: Correct hyphenation of "floating point",
2932         "double precision", and related terminology throughout the file.
2933
2934 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2935
2936         PR target/52006
2937         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2938         arm_general_register_operand predicate for operand 2 instead of
2939         register_operand.
2940
2941 2012-01-27  Ian Lance Taylor  <iant@google.com>
2942
2943         PR go/47656
2944         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2945         * builtins.c (expand_builtin_init_trampoline): Add onstack
2946         parameter.  Change caller.
2947         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2948         * tree.c (build_common_builtin_nodes): Declare
2949         __builtin_init_heap_trampoline.
2950
2951 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2952
2953         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2954         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2955         * config/avr/avr.c: Ditto.
2956         (avr_regnames): Remove because unused.
2957         * config/avr/avr.md (*cpse.ne): New peephole.
2958         (*cpse.eq): New peephole from former cpse peepholes.
2959
2960 2012-01-27  Michael Eager  <eager@eagercon.com>
2961
2962         * config/microblaze.c (microblaze_emit_compare): Correct
2963         test after pcmp instruction.
2964
2965 2012-01-27  Richard Guenther  <rguenther@suse.de>
2966
2967         PR tree-optimization/52020
2968         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2969
2970 2012-01-27  Richard Guenther  <rguenther@suse.de>
2971
2972         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2973         function non-const/pure.
2974
2975 2012-01-27  Richard Guenther  <rguenther@suse.de>
2976
2977         PR tree-optimization/50444
2978         * tree-sra.c (build_ref_for_offset): Properly adjust the
2979         MEM_REF type for unaligned accesses.
2980
2981 2012-01-27  Richard Guenther  <rguenther@suse.de>
2982
2983         PR tree-optimization/50444
2984         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2985         (expand_assignment): Use it.  Properly handle misaligned
2986         bases when expanding stores to component references.
2987         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2988         refactor that case.
2989
2990 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2991
2992         PR middle-end/51389
2993         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2994         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2995         * tree-data-ref.c (find_data_references_in_loop): Make static.
2996         (compute_all_dependences): Change return type to bool.  Bail out
2997         for too many datarefs in a loop.  Move the hunk resetting the data
2998         dependences vector from ...
2999         (compute_data_dependences_for_loop): ... here.  Account for
3000         compute_all_dependences returning false.
3001         (compute_data_dependences_for_bb): Likewise.
3002         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3003         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3004
3005 2012-01-27  Richard Guenther  <rguenther@suse.de>
3006
3007         PR middle-end/51959
3008         * expr.c (store_field): Use the alias-set of the scratch memory
3009         for storing to it.
3010
3011 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3012
3013         PR tree-optimization/51990
3014         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3015         WITH_SIZE_EXPR.
3016         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3017
3018 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3019
3020         PR debug/52001
3021         * var-tracking.c (reverse_op): Don't add any reverse operation
3022         if V already has any constant locations.
3023
3024 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3025
3026         * doc/invoke.texi: Correct usage of "command line" (noun)
3027         vs "command-line" (adjective) throughout.
3028
3029 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3030
3031         * doc/invoke.texi (Language Independent Options): Move
3032         -Wcoverage-mismatch blurb from here....
3033         (Warning Options): ...to here.
3034
3035 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3036
3037         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3038         Set rs6000_always_hint to false for 476.
3039
3040 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3041
3042         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3043           system root.
3044         * incpath.c (add_standard_paths): Likewise.
3045
3046 2012-01-27  Richard Henderson  <rth@redhat.com>
3047
3048         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3049         * config/m68k/sync.md (atomic_test_and_set): Rename from
3050         sync_test_and_setqi and adjust the operands.
3051         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3052         and unconditionally enable.
3053
3054 2012-01-27  Richard Henderson  <rth@redhat.com>
3055
3056         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3057         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3058         (ldstub): Rename from ldstubqi.
3059         (ldstub<I24MODE>): Remove.
3060
3061 2012-01-27  Richard Henderson  <rth@redhat.com>
3062
3063         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3064         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3065         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3066         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3067         * doc/tm.texi: Rebuild.
3068
3069 2012-01-27  Richard Henderson  <rth@redhat.com>
3070
3071         * optabs.c (gen_atomic_test_and_set): Remove default.
3072         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3073
3074 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3075
3076         PR rtl-optimization/51978
3077         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3078         (combine_reaching_defs): Likewise.
3079         (struct re_info): Remove.
3080         (add_removable_extension): Remove x and data arguments,
3081         add insn, insn_list and def_map.  Use the arguments directly
3082         instead of using struct re_info.
3083         (find_removable_extensions): Don't call add_removable_extension
3084         through note_stores, instead just call it with single_set
3085         result if non-NULL.
3086         (find_and_remove_re): Pass curr_cand->expr instead of
3087         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3088
3089 2012-01-26  Michael Matz  <matz@suse.de>
3090
3091         PR tree-optimization/46590
3092         * cfgexpand.c: Revert last change (r183305).
3093         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3094         regs.
3095         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3096         checking for emptiness.
3097
3098 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3099
3100         PR middle-end/51895
3101         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3102         non-addressable non-BLKmode base correctly.
3103
3104 2012-01-26  Michael Matz  <matz@suse.de>
3105
3106         PR tree-optimization/48794
3107         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3108         regions referenced from RESX/EH_DISPATCH.
3109
3110 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3111
3112         * config/s390/s390.h: Make BRANCH_COST an option.
3113         * config/s390/s390.opt: New option -mbranch-cost.
3114
3115 2012-01-26  Richard Henderson  <rth@redhat.com>
3116
3117         Revert 2012-01-24 change:
3118         * trans-mem.c (requires_barrier): Do not instrument thread local
3119         variables and emit save/restore for them.
3120
3121 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3122
3123         PR middle-end/51986
3124         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3125         for pat == 0.
3126
3127 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3128
3129         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3130         ASM_OPERANDS.
3131
3132 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3133
3134         PR target/49868
3135         Rename __pgm to __flash.
3136         Rename __pgm1 to __flash1.
3137         Rename __pgm2 to __flash2.
3138         Rename __pgm3 to __flash3.
3139         Rename __pgm4 to __flash4.
3140         Rename __pgm5 to __flash5.
3141         Rename __pgmx to __memx.
3142         * doc/extend.texi (AVR Named Address Spaces)
3143         Rename address space names as indicated above.
3144         * config/avr/avr.c (avr_addrspace): Ditto.
3145
3146         * config/avr/avr-protos.h
3147         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3148         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3149         * config/avr/predicates.md: Ditto.
3150         * config/avr/avr.c Ditto, and
3151         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3152         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3153
3154         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3155         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3156         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3157         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3158         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3159         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3160         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3161         * config/avr/avr.c: Ditto.
3162         * config/avr/avr.md: Ditto.
3163
3164 2012-01-25  Jason Merrill  <jason@redhat.com>
3165
3166         PR c++/51992
3167         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3168
3169 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR tree-optimization/51987
3172         * tree-data-ref.c (get_references_in_stmt): Handle references in
3173         non-volatile GIMPLE_ASM.
3174
3175 2012-01-25  Richard Guenther  <rguenther@suse.de>
3176
3177         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3178         bases are dereferenced.
3179
3180 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3181
3182         PR rtl-optimization/48374
3183         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3184
3185 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3186
3187         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3188         compute_data_dependences_for_loop returns false.
3189         * tree-parloops.c (loop_parallel_p): Likewise.
3190
3191 2012-01-25  Richard Guenther  <rguenther@suse.de>
3192
3193         * tree.h (get_pointer_alignment_1): Declare.
3194         * builtins.c (get_pointer_alignment_1): New function.
3195         (get_pointer_alignment): Use it.
3196
3197 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3198
3199         PR rtl-optimization/48308
3200         * combine.c (enum undo_kind): Add UNDO_LINKS.
3201         (struct undo): Add member l to other_contents and where.
3202         (do_SUBST_LINK): New.
3203         (SUBST_LINK): New.
3204         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3205         (undo_all): Handle UNDO_LINKS.
3206
3207 2012-01-25  Richard Henderson  <rth@redhat.com>
3208
3209         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3210         mem inputs.
3211
3212 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3213
3214         * optabs.c (gen_atomic_test_and_set): Use each argument.
3215
3216 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3217
3218         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3219         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3220         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3221         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3222         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3223         TARGET_PAIRED_SINGLE_FLOAT.
3224
3225 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3226
3227         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3228         (in_struct, return_val): Remove MEM documentation.
3229         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3230         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3231         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3232         and MEM_SCALAR.
3233         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3234         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3235         * expr.c (store_field): Likewise.
3236         * function.c (assign_stack_temp_for_type): Likewise.
3237         * ifcvt.c (noce_try_cmove_arith): Likewise.
3238         * reload1.c (reload): Likewise.
3239         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3240         (alpha_set_memflags): Likewise.
3241         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3242
3243 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3244
3245         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3246         parameter.
3247         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3248         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3249         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3250         varies parameter.
3251         * cselib.c (cselib_rtx_varies_p): Delete.
3252         (cselib_invalidate_mem): Update call to canon_true_dependence.
3253         * dse.c (record_store, check_mem_read_rtx): Likewise.
3254         (scan_reads_nospill): Likewise.
3255         * cse.c (check_dependence): Likewise.
3256         (cse_rtx_varies_p): Delete.
3257         * expr.c (safe_from_p): Update call to true_dependence.
3258         * ira.c (validate_equiv_mem_from_store): Likewise.
3259         (memref_referenced_p): Likewise.
3260         * postreload-gcse.c (find_mem_conflicts): Likewise.
3261         * sched-deps.c (sched_analyze_2): Likewise.
3262         * store-motion.c (load_kills_store): Likewise.
3263         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3264         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3265         (compute_transp): Update call to canon_true_dependence.
3266
3267 2012-01-25  Richard Henderson  <rth@redhat.com>
3268
3269         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3270         (maybe_emit_atomic_test_and_set): New.
3271         (expand_sync_lock_test_and_set): Use it.
3272         (expand_atomic_test_and_set): Likewise.
3273         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3274         the implementation; clarify implementation defined details.
3275         * doc/md.texi (atomic_test_and_set): Document.
3276
3277 2012-01-25  Richard Henderson  <rth@redhat.com>
3278
3279         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3280
3281 2012-01-25  Richard Henderson  <rth@redhat.com>
3282
3283         PR target/51968
3284         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3285         to effect no-op split.
3286
3287 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3288
3289         PR lto/51698
3290         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3291         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3292         (BT_FN_VOID_PTR_INT_SIZE): New.
3293         (BT_FN_UINT_UINT_VAR): Remove.
3294         (BT_FN_UINT32_UINT32_VAR): New.
3295         (BT_FN_DOUBLE_VPTR): Remove.
3296         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3297
3298         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3299         (_ITM_changeTransactionMode): Same.
3300         (_ITM_memmoveRtWt): Change return type to void.
3301         (_ITM_memcpyRtWt): Same.
3302         (_ITM_memsetW): Same.
3303         (_ITM_RaRD): Change types to double.
3304         (_ITM_RD): Same.
3305         (_ITM_RaWD): Same.
3306         (_ITM_RfWD): Same.
3307
3308         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3309
3310 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3311             Patrick Marlier  <patrick.marlier@gmail.com>
3312
3313         * trans-mem.c (requires_barrier): Do not instrument thread local
3314         variables and emit save/restore for them.
3315
3316 2012-01-24  Jason Merrill  <jason@redhat.com>
3317
3318         PR c++/51812
3319         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3320         output static aliases.
3321
3322 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3323
3324         PR driver/47249
3325         * common.opt (-pie, -shared, pie, shared): Change from Common to
3326         Driver.
3327         * gcc.c (display_help): Display help for -pie and -shared.
3328
3329 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3330
3331         PR target/49868
3332         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3333         Remove note on size/offset limitation.
3334         (AVR Variable Attributes): Add example how to read data located
3335         with progmem.  Refer to named address spaces.
3336         * doc/invoke.texi (AVR Options): Fix typo.
3337
3338 2012-01-24  Richard Guenther  <rguenther@suse.de>
3339
3340         Forward-port to trunk
3341         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3342
3343         PR middle-end/45678
3344         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3345         op0 isn't sufficiently aligned and there is movmisalignM
3346         insn for mode, use it to load op0 into a temporary register.
3347
3348 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3349
3350         PR target/51957
3351         * target.def (const_not_ok_for_debug_p): New hook.
3352         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3353         documentation.
3354         * doc/tm.texi: Regenerated.
3355         * dwarf2out.c (const_ok_for_output_1): If
3356         targetm.const_not_ok_for_debug_p returns true, fail.
3357         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3358         function.
3359         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3360
3361 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3362
3363         PR target/51900
3364         * config/i386/predicates.md (symbolic_operand): Allow
3365         UNSPEC_PCREL as PIC expression for lea.
3366         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3367         * config/i386/i386.c (ix86_delegitimize_address): Handle
3368         UNSPEC_PCREL for none-MEM, too.
3369
3370 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3371
3372         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3373         (ipa_tm_create_version_alias): Same.
3374
3375 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         PR libitm/51830
3378         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3379         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3380
3381 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3382             Patrick Marlier  <patrick.marlier@gmail.com>
3383             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3384
3385         PR lto/51916
3386         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3387         simple_object_start_read.
3388
3389 2012-01-23  Richard Guenther  <rguenther@suse.de>
3390
3391
3392         PR tree-optimization/51895
3393         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3394         parameter decomposition into BLKmode components.
3395
3396 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3397
3398         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3399         fake variables for restrict-qualified pointers whose pointed-to type
3400         contains a placeholder.
3401
3402 2012-01-23  Richard Guenther  <rguenther@suse.de>
3403
3404         PR tree-optimization/51949
3405         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3406
3407 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3408
3409         PR rtl-optimization/51933
3410         * ree.c (transform_ifelse): Return true right away if dstreg is
3411         already wider or equal to cand->mode.
3412         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3413         (make_defs_and_copies_lists): Remove defs_list and copies_list
3414         arguments, add state argument, just truncate state->work_list
3415         instead of always allocating and freeing the vector.  Assert that
3416         get_defs succeeds instead of returning 2.  Changed return type to bool.
3417         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3418         have ext_src_mode, see if it has been modified already with the
3419         right kind of extension and has been extended before from the
3420         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3421         just return true.  Remember the original mode in state->modified array.
3422         (combine_reaching_defs): Add state argument.  Don't allocate and
3423         free here def_list, copied_list and vec vectors, instead just
3424         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3425         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3426         Add state variable, clear vectors in it, initialize state.modified
3427         if needed.  Free all the vectors at the end and state.modified too.
3428         Don't skip a candidate if the extension expression has been modified.
3429
3430 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3431
3432         PR target/47096
3433         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3434          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3435         (extra_options) interix.opt -> i386/interix.opt"
3436         (extra_objs):Add winnt-stubs.o
3437         * configure.ac: Add interix to target_os .comm on PE check.
3438         * configure: Regenerate.
3439         * config/interix3.h: Delete and move bits to..
3440         * config/interix.h: Delete and move bits to..
3441         * config/i386/i386-interix3.h: Delete and move bits to..
3442         * config/i386/i386-interix.h: ..here.
3443         (TARGET_CPU_DEFAULT): Remove redefinition.
3444         (TARGET_ASM_CONSTRUCTOR): Undefine.
3445         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3446         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3447         (PTRDIFF_TYPE): Define.
3448         (LONG_DOUBLE_TYPE_SIZE): Define.
3449         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3450         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3451         (TARGET_SECTION_TYPE_FLAGS): Define.
3452         (ASM_DECLARE_FUNCTION_NAME): Define.
3453         (ASM_OUTPUT_EXTERNAL): Define.
3454         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3455         (ASM_OUTPUT_ALIGNED_BSS): Define.
3456         (PCC_BITFIELD_TYPE_MATTERS): Define.
3457         (USE_CONST_SECTION): Define.
3458         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3459         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3460         (SUPPORTS_ONE_ONLY): Remove.
3461         (I386_PE_STRIP_ENCODING): Define.
3462         * config/interix.opt: Delete and move bits to..
3463         * config/i386/interix.opt: ..here. New.
3464         (mpe-aligned-commons): Add.
3465         * config/i386/t-interix: Add copyright header.
3466         (winnt-stubs.o): Add rule.
3467
3468 2012-01-22  Jason Merrill  <jason@redhat.com>
3469
3470         PR c++/51832
3471         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3472         for extra name aliases.
3473
3474 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3475
3476         PR rtl-optimization/51924
3477         * ree.c (combine_set_extension): Improve debugging message.
3478         (combine_reaching_defs): Likewise.
3479         (get_defs): Rename confusingly named variable.
3480         (find_and_remove_re): Skip a candidate if the extension expression has
3481         been modified.
3482
3483 2012-01-21  Robert Millan  <rmh@gnu.org>
3484             Gerald Pfeifer  <gerald@pfeifer.com>
3485
3486         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3487         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3488
3489 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3490
3491         PR tree-optimization/51914
3492         * tree-vect-stmts.c (vectorizable_conversion): For
3493         cvt_type && modifier == WIDEN, put temporary with cvt_type
3494         at the beginning of vec_dsts and set vec_dest to temporary
3495         with vectype_out.
3496
3497 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3498
3499         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3500
3501 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3502
3503         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3504         * config/rs6000/rs6000.c: Likewise.
3505
3506 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3507
3508         PR target/51915
3509         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3510         output_move_double on a copy of operands array.
3511
3512 2012-01-20  Cary Coutant  <ccoutant@google.com>
3513             Dodji Seketeli  <dodji@redhat.com>
3514
3515         PR debug/45682
3516         * dwarf2out.c (copy_declaration_context): Return ref to parent
3517         of declaration DIE, if necessary.
3518         (remove_child_or_replace_with_skeleton): Add new parameter; update
3519         caller.  Place skeleton DIE under parent DIE of original declaration.
3520         Move call to copy_declaration_context to here ...
3521         (break_out_comdat_types): ... from here.
3522
3523 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3524
3525         PR rtl-optimization/51856
3526         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3527         flag to reloaded.