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2012-05-30 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-30  Richard Guenther  <rguenther@suse.de>
2
3         PR middle-end/53501
4         * fold-const.c (fold_binary_loc): Make sure to call
5         fold_plusminus_mult_expr with the original sign of operands.
6
7 2012-05-30  Eric Botcazou  <ebotcazou@adacore.com>
8
9         * explow.c (probe_stack_range): Restore simple control flow and stop
10         again when the probe cannot be generated if HAVE_check_stack.
11
12 2012-05-30  Jakub Jelinek  <jakub@redhat.com>
13
14         PR rtl-optimization/53519
15         * combine.c (simplify_shift_const_1) <case NOT>: Use constm1_rtx
16         instead of GEN_INT (GET_MODE_MASK (mode)) as second operand of XOR.
17
18 2012-05-29  Richard Guenther  <rguenther@suse.de>
19
20         PR tree-optimization/53516
21         * tree-data-ref.c (stmt_with_adjacent_zero_store_dr_p): Reject
22         bitfield accesses.
23         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
24
25 2012-05-28  Bill Schmidt  <wschmidt@linux.ibm.com>
26
27         Backport from mainline
28         2012-05-28  Richard Guenther  <rguenther@suse.de>
29
30         PR tree-optimization/53438
31         * tree-sra.c (analyze_access_subtree): Correct bitfield exclusion.
32
33 2012-05-26  Eric Botcazou  <ebotcazou@adacore.com>
34
35         Backport from mainline
36         2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
37
38         PR rtl-optimization/52528
39         * combine.c (can_combine_p): Add setting of subst_low_luid
40         before call to expand_field_assignment().
41
42 2012-05-26  Martin Jambor  <mjambor@suse.cz>
43
44         Backport from mainline
45         2012-05-23  Martin Jambor  <mjambor@suse.cz>
46
47         * ipa-inline-analysis.c (inline_merge_summary): Free operand_map.
48
49 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
50
51         PR lto/52178
52         * tree-inline.c (remap_gimple_op_r): Fix handling of FIELD_DECL.
53         * tree.c (RETURN_TRUE_IF_VAR): Do not return true for PLACEHOLDER_EXPR.
54
55 2012-05-25  Alexander Ivchenko  <alexander.ivchenko@intel.com>
56
57         PR target/53435
58         * config/i386/i386.c (ix86_expand_vec_perm): Use correct op.
59         (ix86_expand_vec_perm): Use int mode instead of float.
60
61 2012-05-25  Eric Botcazou  <ebotcazou@adacore.com>
62
63         PR ada/52362
64         * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Set gas and
65         gnu_ld variables to yes.
66         * configure.ac (HAVE_GNU_LD): Move to after config.gcc inclusion.
67         (HAVE_GNU_AS): Likewise.
68         * config.in: Regenerate.
69         * configure: Likewise.
70
71 2012-05-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
72
73         Backport from mainline
74         2012-03-12  Richard Guenther  <rguenther@suse.de>
75         * config/arm/arm.c (neon_dereference_pointer): Do not call
76         covert during RTL expansion.
77
78 2012-05-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
79
80         Backport from mainline
81         2012-05-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
82
83         PR target/53385
84         * config/rs6000/rs6000.c (print_operand): Revise code that unsafely
85         relied on signed overflow behavior.
86
87 2012-05-24  Richard Guenther  <rguenther@suse.de>
88
89         PR middle-end/53460
90         * tree-profile.c (tree_profiling): Cleanup the CFG if
91         execute_fixup_cfg requests it.
92
93 2012-05-24  Jakub Jelinek  <jakub@redhat.com>
94
95         PR tree-optimization/53465
96         * tree-vrp.c (extract_range_from_cond_expr): First copy_value_range
97         vr0 into *vr, then vrp_meet that.
98         (vrp_meet): If one vr type is VR_UNDEFINED, ensure the result doesn't
99         have any equivalences.
100         (vrp_visit_phi_node): Call copy_value_range instead of vrp_meet the
101         first time.
102
103 2012-05-23  Eric Botcazou  <ebotcazou@adacore.com>
104
105         * gimple.c (gimple_types_compatible_p_1) <ARRAY_TYPE>: Remove bogus
106         size handling.
107         (gimple_canonical_types_compatible_p) <ARRAY_TYPE>: Likewise.
108         (iterative_hash_gimple_type): Adjust comment.
109         (iterative_hash_canonical_type): Likewise.  Hash the bounds of the
110         domain for an array type instead of the domain type itself.
111
112 2012-05-23  Georg-Johann Lay  <avr@gjlay.de>
113
114         Backport from 2012-05-23 mainline r187803
115
116         PR target/53448
117         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Don't inhibit .p2align 1.
118         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Use
119         ASM_OUTPUT_ALIGN.
120
121 2012-05-23  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
122
123         Backport from 2012-05-03 mainline r187075
124
125         * config/i386/driver-i386.c (host_detect_local_cpu): Reset
126         has_fma4 for AMD processors with both fma3 and fma4 support.
127
128 2012-05-22  Richard Guenther  <rguenther@suse.de>
129
130         PR tree-optimization/53408
131         * tree-vect-loop.c (vectorizable_induction): Properly check
132         the restriction that we cannot handle induction results from
133         the inner loop outside of the outer loop.
134
135 2012-05-21  Jakub Jelinek  <jakub@redhat.com>
136
137         PR tree-optimization/53436
138         * omp-low.c (omp_build_component_ref): New function.
139         (build_receiver_ref, build_sender_ref, create_task_copyfn): Use it.
140
141         PR tree-optimization/53366
142         * tree-vect-slp.c (vect_supported_load_permutation_p): Don't shortcut
143         tests if complex_numbers == 2, but there are non-complex number loads
144         too.
145
146         PR tree-optimization/53409
147         * tree-vect-loop.c (vect_analyze_loop_operations): Don't check
148         vinfo_for_stmt (op_def_stmt) if op_def_stmt isn't inside loop.
149
150         PR tree-optimization/53410
151         * fold-const.c (fold_binary_loc): Use build_zero_cst (type)
152         instead of build_int_cst (type, 0) where vector types might be
153         involved.
154
155 2012-05-21  Joseph Myers  <joseph@codesourcery.com>
156
157         PR c/53418
158         * c-typeck.c (build_conditional_expr): Remove C_MAYBE_CONST_EXPR
159         from folded operands before wrapping another around the
160         conditional expression.
161
162 2012-05-21  Dave Boutcher  <daveboutcher@gmail.com>
163             Patrick Marlier  <patrick.marlier@gmail.com>
164
165         * trans-mem.c (ipa_tm_transform_clone): Transform functions with
166         indirect calls.
167
168 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
169
170         Backport from mainline
171         2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
172
173         PR target/53416
174         * config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
175         (UNSPECV_RDRAND): This.
176         (rdrand<mode>_1): Updated.
177
178 2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
179
180         Backport from mainline
181         2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>
182
183         * config/i386/driver-i386.c (host_detect_local_cpu): Support
184         RDRND, F16C and FSGSBASE.
185
186 2012-05-19  Eric Botcazou  <ebotcazou@adacore.com>
187
188         Backport from mainline
189         2012-05-14  Eric Botcazou  <ebotcazou@adacore.com>
190
191         * tree-ssa-pre.c (can_value_number_call): Delete.
192         (compute_avail): Skip all statements with side effects.
193         <GIMPLE_CALL>: Skip calls to internal functions.
194
195 2012-05-18  David S. Miller  <davem@davemloft.net>
196
197         Backport r185385 from mainline
198         2012-03-14  Richard Guenther  <rguenther@suse.de>
199
200         PR middle-end/52584
201         * tree-vect-generic.c (type_for_widest_vector_mode): Take
202         element type instead of mode, use build_vector_type_for_mode
203         instead of the langhook, build a vector of proper signedness.
204         (expand_vector_operations_1): Adjust.
205
206 2012-05-18  Olivier Hainque  <hainque@adacore.com>
207
208         * Makefile.in (FLAGS_TO_PASS): Pass $(libexecsubdir) instead of
209         $(libsubdir) as libexecsubdir.
210
211 2012-05-16  Andrew Pinski  <apinski@cavium.com>
212
213         * gimple-fold.c (get_maxval_strlen): Move COND_EXPR handling under
214         GIMPLE_ASSIGN.
215
216 2012-05-16  David S. Miller  <davem@davemloft.net>
217
218         * jump.c (delete_related_insns): If we remove a CALL, make sure
219         we delete it's NOTE_INSN_CALL_ARG_LOCATION note too.
220
221 2012-05-16  Richard Henderson  <rth@redhat.com>
222
223         PR debug/52727
224         * combine-stack-adj.c (prev_active_insn_bb): New.
225         (next_active_insn_bb): New.
226         (force_move_args_size_note): New.
227         (combine_stack_adjustments_for_block): Use it.
228
229 2012-05-16  Olivier Hainque  <hainque@adacore.com>
230
231         * Makefile.in (install-no-fixedincludes): New target, former toplevel
232         gcc-no-fixedincludes. Stash "include-fixed" in addition to "include".
233         Add comments and improve stamp preservation across the whole sequence.
234         (stmp-int-hdrs): Use move-if-change + cp -p to setup fix_dir/limits.h.
235
236 2012-05-16  Richard Guenther  <rguenther@suse.de>
237
238         PR tree-optimization/53364
239         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
240         detect a view-conversion of the decl.
241
242 2012-05-15  Jakub Jelinek  <jakub@redhat.com>
243
244         PR target/53358
245         * config/i386/i386.md (*addqi_2 peephole with QImode addition): Check
246         that operands[2] is either immediate, or q_regs_operand.
247
248 2012-05-15  Bin Cheng  <bin.cheng@arm.com>
249
250         Backport r187139 from mainline.
251         2012-05-04  Bin Cheng  <bin.cheng@arm.com>
252
253         PR rtl-optimization/52804
254         * reload1.c (reload_reg_reaches_end_p): Check whether successor
255         reload with type RELOAD_FOR_INPUT_ADDRESS kills reload register
256         of current one with type RELOAD_FOR_INPADDR_ADDRESS.
257         Same stands for reloads with type RELOAD_FOR_OUTPUT_ADDRESS and
258         RELOAD_FOR_OUTADDR_ADDRESS.
259
260 2012-05-14  Uros Bizjak  <ubizjak@gmail.com>
261
262         PR target/46098
263         * config/i386/i386.c (ix86_expand_special_args_builtin): Always
264         generate target register for "load" class builtins.
265
266         Revert:
267         2010-10-22  Uros Bizjak  <ubizjak@gmail.com>
268
269         PR target/46098
270         * config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
271         Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
272         (avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
273         (*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
274         (<sse>_movu<ssemodesuffix>): New expander.
275         (*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
276         (avx_movdqu<avxmodesuffix>): New expander.
277         (*sse2_movdqu): Rename from sse2_movdqu.
278         (sse2_movdqu): New expander.
279
280 2012-05-14  Jakub Jelinek  <jakub@redhat.com>
281
282         * dwarf2out.c (dwarf2out_define, dwarf2out_undef): Treat
283         lineno 1 the same as lineno 0 before first start file directive.
284         (optimize_macinfo_range): Likewise.
285
286         * dwarf2out.c (have_macinfo): Define.
287         (dwarf2out_finish): Don't emit DW_AT_GNU_macros or DW_AT_macro_info
288         attribute, don't force empty compilation unit and don't emit any
289         .debug_macinfo/.debug_macro section if macinfo_table is empty.
290
291 2012-05-13  Uros Bizjak  <ubizjak@gmail.com>
292
293         Backport from mainline
294         2012-05-12  Uros Bizjak  <ubizjak@gmail.com>
295
296         * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
297         ORDERED and UNORDERED conditions.
298
299 2012-05-12  Eric Botcazou  <ebotcazou@adacore.com>
300
301         * function.c (requires_stack_frame_p): If the function can throw
302         non-call exceptions, return true if the insn can throw internally.
303
304 2012-05-10  Eric Botcazou  <ebotcazou@adacore.com>
305
306         * gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
307         DECL_ORIGINAL_TYPE if it is present.
308
309 2012-05-09  Georg-Johann Lay  <avr@gjlay.de>
310
311         Backport from 2012-05-12 mainline r187342.
312
313         PR target/53256
314         * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
315         * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
316         * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
317         * config/avr/avr.c (avr_asm_declare_function_name): Remove.
318         (expand_prologue): Move initialization of cfun->machine->is_naked,
319         is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
320         (avr_set_current_function): ...this new static function.
321         (TARGET_SET_CURRENT_FUNCTION): New define.
322         (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
323         checking attributes of current_function_decl.
324         (avr_regs_to_save): Ditto.
325         (signal_function_p): Rename to avr_signal_function_p.
326         (interrupt_function_p): Rename to avr_interrupt_function_p.
327
328         * doc/extend.texi (Function Attributes): Better explanation of
329         'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
330         alphabetical order.
331
332 2012-05-09  Matthias Klose  <doko@ubuntu.com>
333
334         * gcc-ar.c (main): Don't check for execute bits for the plugin.
335
336 2012-05-08  Hans-Peter Nilsson  <hp@axis.com>
337
338         PR target/53272
339         * config/cris/cris.c (cris_normal_notice_update_cc): For TARGET_V32,
340         when a constant source operand matches an "I" constraint, the "no
341         CC0 change" applies to a register-destination only, not a
342         strict_low_part-destination.
343
344 2012-05-07  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
345
346         Backport from mainline:
347         2012-04-19  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
348
349         * config/arm/sync.md (sync_optab): Change ior attribute to "or".
350
351 2012-05-07  Jakub Jelinek  <jakub@redhat.com>
352
353         PR tree-optimization/53239
354         * tree-vrp.c (get_value_range): Set VR of
355         SSA_NAME_IS_DEFAULT_DEF of DECL_BY_REFERENCE RESULT_DECL
356         to nonnull.
357
358 2012-05-07  Richard Guenther  <rguenther@suse.de>
359
360         PR tree-optimization/53195
361         * tree-inline.c (setup_one_parameter): Properly add referenced
362         vars from the parameters new known value.
363
364 2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
365
366         Backport from mainline:
367         2012-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
368
369         PR target/52999
370         * config/pa/pa.c (pa_legitimate_constant_p): Don't put function labels
371         in constant pool.
372
373 2012-05-04  Ian Lance Taylor  <iant@google.com>
374
375         * tree-vect-patterns.c (vect_single_imm_use): Correct return
376         values from false to NULL.
377
378 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
379
380         Backport from mainline
381         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
382
383         PR target/53228
384         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
385         (TARGET_CMOV): Rename from TARGET_CMOVE.
386         (TARGET_CMOVE): New define.
387         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
388         Do not set TARGET_CMOVE here.
389
390 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
391
392         Backport from mainline:
393
394         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
395
396         PR tree-optimization/52633
397         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
398         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
399         (vect_recog_over_widening_pattern): Remove handling of code that was
400         already detected as over-widening pattern.  Remove special handling
401         of "unsigned" cases.  Instead, support general case of conversion
402         of the shift result to another type.
403
404         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
405
406         * tree-vect-patterns.c (vect_single_imm_use): New function.
407         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
408         (vect_recog_over_widening_pattern): Likewise.
409         (vect_recog_widen_shift_pattern): Likewise.
410
411         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
412
413         PR tree-optimization/52870
414         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
415         presumed pattern statement is within the same loop or basic block.
416
417 2012-05-04  Richard Guenther  <rguenther@suse.de>
418
419         * common.opt (flto-report): Do not mark as Optimization.
420
421 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
422
423         PR target/48496
424         * recog.c (constrain_operands): If extra constraints are present, also
425         accept pseudo-registers with equivalent memory locations during reload.
426
427 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
428
429         Backport from the mainline
430         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
431
432         PR target/53199
433         * config/rs6000/rs6000.md (bswapdi splitters): If
434         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
435         default) is used, generate an alternate sequence that does not
436         depend on using indexed addressing.
437
438 2012-05-03  David S. Miller  <davem@davemloft.net>
439
440         PR target/52684
441         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
442         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
443         (sparc_emit_float_lib_cmp): Likewise.
444
445 2012-05-04  Martin Jambor  <mjambor@suse.cz>
446
447         Backport from mainline
448         2012-05-02  Martin Jambor  <mjambor@suse.cz>
449
450         PR lto/52605
451         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
452         of a variable when the contect is a function.
453
454 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
455
456         PR plugins/53126
457         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
458         append program name to it and pass that as first argument
459         to make_relative_prefix.  Always pass standard_libexec_prefix
460         as last argument to make_relative_prefix.  If
461         make_relative_prefix returns NULL, fall back to
462         standard_libexec_prefix.
463
464         PR debug/53174
465         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
466         removed.
467
468         PR target/53187
469         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
470         mode, return that mode.
471
472 2012-05-03  Richard Guenther  <rguenther@suse.de>
473
474         PR tree-optimization/53144
475         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
476         Rename to ...
477         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
478         with SSA name values.
479         (vn_reference_lookup_3): Adjust callers.
480
481 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
482
483         PR tree-optimization/53163
484         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
485         return value from compute_all_dependences.
486
487         PR rtl-optimization/53160
488         * ree.c (combine_reaching_defs): Handle the case where cand->insn
489         has been modified by ree pass already.
490
491 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
492
493         Backport from mainline
494         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
495
496         PR middle-end/53136
497         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
498         calls to cgraph_node_name in xstrdup.
499         (ipa_make_edge_direct_to_target): Ditto.
500         * tree-sra.c (convert_callers_for_node): Ditto.
501         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
502         * ipa-cp.c (perhaps_add_new_callers): Ditto.
503         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
504         (cgraph_materialize_all_clones): Ditto.
505         * ipa-inline.c (report_inline_failed_reason): Ditto.
506         (want_early_inline_function_p): Ditto.
507         (edge_badness): Ditto.
508         (update_edge_key): Ditto.
509         (flatten_function): Ditto.
510         (ipa_inline): Ditto.
511         (inline_always_inline_functions): Ditto.
512         (early_inline_small_functions): Ditto.
513
514 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
515
516         Backport from mainline
517         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
518
519         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
520         Introduce emul_name to select the right linker emulation for
521         powerpc64-*-freebsd*.
522         * configure: Regenerate.
523         * config.gcc: Add bits to support powerpc64-*-freebsd*.
524         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
525         * config/rs6000/freebsd64.h: New file.
526         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
527         POWERPC_FREEBSD.
528         (rs6000_savres_strategy): Likewise.
529         (rs6000_savres_routine_name): Likewise.
530         (rs6000_elf_file_end): Likewise.
531         * config/rs6000/t-freebsd64: New file.
532         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
533         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
534
535 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
536
537         Backport from mainline
538         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
539
540         PR target/53138
541         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
542
543 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
544
545         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
546         predicate to discriminate types.
547
548 2012-04-27  Richard Guenther  <rguenther@suse.de>
549
550         PR c/51527
551         * convert.c (convert_to_integer): Avoid infinite recursion for
552         target-defined built-in types.
553
554 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
555
556         PR target/53120
557         * config/cris/cris.md ("*andhi_lowpart_v32")
558         ("*andqi_lowpart_v32"): Change first input-only operand from
559         a (match_operand ...) to (match_dup 0).  Drop alternatives with
560         const_int-matching constraints for redundancy.
561         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
562         three-operand alternative.
563
564 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
565
566         Backport from mainline
567         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
568
569         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
570         (*addsi_2_zext): Ditto.
571         (*add<mode>_3): Ditto.
572         (*addsi_3_zext): Ditto.
573         (*add<mode>_5): Ditto.
574
575 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
576
577         PR c/52880
578         * c-typeck.c (set_nonincremental_init,
579         set_nonincremental_init_from_string): Pass true instead of false
580         as IMPLICIT to add_pending_init.
581
582 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
583
584         Backport from 2012-04-24 mainline r186768.
585
586         PR target/53065
587         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
588
589 2012-04-24  Richard Guenther  <rguenther@suse.de>
590
591         PR tree-optimization/53085
592         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
593         stores.
594
595 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
596
597         PR middle-end/53084
598         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
599         of MEM_REF.
600         (output_addressed_constants): Likewise.
601
602         PR middle-end/52999
603         * varasm.c (get_section): Don't ICE for section conflicts with
604         built-in section kinds.
605
606 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
607
608         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
609
610 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
611
612         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
613
614 2012-04-23  Richard Guenther  <rguenther@suse.de>
615
616         PR c/53060
617         * c-typeck.c (build_binary_op): Fix typo.
618
619 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
620
621         PR tree-optimizations/52891
622         * tree-vect-patterns.c (adjust_bool_pattern): Use
623         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
624         but with non-standard precision.
625
626 2012-04-22  Ian Lance Taylor  <iant@google.com>
627
628         * godump.c (go_output_typedef): Dump size of structs.
629
630 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
631
632         Backport from mainline:
633
634         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
635         hints for 'A' operand types.
636
637 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
638
639         Backport from 2012-04-19 mainline r186588.
640
641         PR target/53033
642         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
643         the case *(X+const).
644
645 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
646
647         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
648
649 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
650
651         PR target/53020
652         * config/i386/sync.md (atomic_<code><mode>): Rename to
653         atomic_<logic><mode>.
654
655 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
656
657         Backport from mainline
658         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
659
660         PR target/52932
661         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
662         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
663         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
664         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
665         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
666         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
667         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
668         gen_avx2_permvarv8sf.
669
670 2012-04-16  Martin Jambor  <mjambor@suse.cz>
671
672         Backported from mainline
673
674         2012-04-13  Martin Jambor  <mjambor@suse.cz>
675         PR middle-end/52939
676
677         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
678         fold_ctor_reference returns a zero constant.
679
680 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
681
682         Backported from mainline
683         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
684
685         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
686         and __ILP32__ for x32.
687
688 2012-04-13  Tom de Vries  <tom@codesourcery.com>
689
690         Backport from mainline r186418.
691
692         2012-04-13  Tom de Vries  <tom@codesourcery.com>
693
694         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
695         parameters vuse and vuse_escaped.
696         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
697         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
698         vuse1 != vuse2.
699
700 2012-04-13  Richard Guenther  <rguenther@suse.de>
701
702         PR tree-optimization/52969
703         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
704         the condition for the COND_EXPR and handle predicate negation
705         by swapping the COND_EXPR arms.
706
707 2012-04-13  Richard Guenther  <rguenther@suse.de>
708
709         PR c/52862
710         * convert.c (convert_to_pointer): Remove special-casing of
711         zero.
712
713 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
714
715         Backport from mainline
716         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
717
718         PR target/52775
719         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
720         the list of options to enable the FCFID instruction.
721         (TARGET_EXTRA_BUILTINS): Adjust comment.
722
723 2012-04-12  Richard Guenther  <rguenther@suse.de>
724
725         PR tree-optimization/52943
726         * tree-chrec.h (chrec_is_positive): Remove.
727         * tree-scalar-evolution.c (chrec_is_positive): Move ...
728         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
729         Return false for a constant zero instead of negative.
730         (analyze_siv_subscript_cst_affine): Handle zero difference
731         in the initial condition explicitely.
732
733 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
734
735         PR middle-end/52894
736         * varasm.c (process_pending_assemble_externals): Set
737         pending_assemble_externals_processed true.
738         (assemble_external): Call assemble_external_real if the pending
739         assemble externals have been processed.
740
741 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
742
743         PR target/52717
744         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
745         the DECL generated for the special GOT helper.
746
747 2012-04-06  Walter Lee  <walt@tilera.com>
748
749         Backport from mainline
750         2012-03-07  Walter Lee  <walt@tilera.com>
751
752         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
753         REG_CFA_* notes for the stack pointer.
754         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
755         EH_RETURN_STACKADJ_RTX.
756         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
757         generate REG_CFA_* notes for the stack pointer.
758         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
759         by EH_RETURN_STACKADJ_RTX.
760
761 2012-04-06  Matt Turner  <mattst88@gmail.com>
762
763         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
764
765 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
766
767         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
768         of the destination isn't also a FP_REGS register.
769
770 2012-04-03  Richard Guenther  <rguenther@suse.de>
771
772         Backport from mainline
773         2012-03-02  Richard Guenther  <rguenther@suse.de>
774
775         PR tree-optimization/52406
776         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
777         (struct indices): Add unconstrained_base member.
778         (struct dr_alias): Remove unused vops member.
779         (DR_UNCONSTRAINED_BASE): New define.
780         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
781         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
782         be an artificial access that covers the whole indexed object,
783         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
784         plain decl base-objects to their MEM_REF variant.
785         (dr_may_alias_p): When the base-object of either data reference
786         has unknown size use only points-to information.
787         (compute_affine_dependence): Make dumps easier to read and
788         more verbose.
789         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
790         DR_REF when looking for packed references.
791         (vect_supportable_dr_alignment): Likewise.
792
793 2012-04-03  Richard Guenther  <rguenther@suse.de>
794
795         Backport from mainline
796         2012-03-15  Richard Guenther  <rguenther@suse.de>
797
798         PR middle-end/52580
799         * tree-data-ref.c (subscript_dependence_tester_1): Check
800         all dimensions for non-conflicting access functions.
801
802 2012-04-03  Richard Guenther  <rguenther@suse.de>
803
804         Backport from mainline
805         2012-03-06  Richard Guenther  <rguenther@suse.de>
806
807         PR middle-end/52493
808         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
809
810         2012-03-23  Richard Guenther  <rguenther@suse.de>
811
812         PR tree-optimization/52678
813         * tree-vectorizer.h (struct _stmt_vec_info): Add
814         loop_phi_evolution_part member.
815         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
816         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
817         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
818         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
819         Use the cached evolution part and the PHI nodes value from
820         the loop preheader edge instead of re-analyzing the evolution.
821
822         2012-03-26  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/52701
825         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
826         compute and set the evolution part of PHI nodes.
827
828         2012-03-30  Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/52754
831         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
832         propagate arbitrary addresses into really plain dereferences.
833
834 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
835
836         PR tree-optimization/52835
837         * tree-data-ref.c (build_rdg): Return NULL if
838         compute_data_dependences_for_loop failed.
839
840 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
841
842         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
843         (stmt_can_make_abnormal_goto): Use it.
844         (is_ctrl_altering_stmt): Likewise.
845
846 2012-03-31  Martin Jambor  <mjambor@suse.cz>
847
848         Backported from mainline
849         2012-03-30  Martin Jambor  <mjambor@suse.cz>
850
851         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
852         is a builtin_stack_save in a dominating BB.
853
854 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
855
856         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
857         crossing 128bit lane boundary.
858
859 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
860
861         Backported from mainline
862         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
863
864         PR target/52698
865         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
866         New prototype.
867         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
868         * config/i386/i386.c: Include reload.h.
869         (ix86_legitimize_reload_address): New function.
870
871 2012-03-28  Martin Jambor  <mjambor@suse.cz>
872
873         Backported from mainline
874         2012-03-27  Martin Jambor  <mjambor@suse.cz>
875
876         PR middle-end/52693
877         * tree-sra.c (sra_modify_assign): Do not call
878         load_assign_lhs_subreplacements when working with an unscalarizable
879         region.
880
881 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
882
883         PR middle-end/52691
884         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
885         __builtin_va_start to __builtin_next_arg if the latter is
886         builtin_decl_explicit_p rather than when it is not.
887
888         PR middle-end/52750
889         * tree-vect-generic.c (vector_element): Perform multiplication
890         for pos in bitsizetype type instead of idx type.
891
892 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
893
894         Backport from 2012-03-28 mainline r185910.
895
896         PR target/52692
897         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
898         (avr_builtin_decl): New static function.
899         (struct avr_builtin_description, avr_bdesc): Move up.
900         Add GTY marker. Add field fndecl. Remove redundant field id.
901         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
902         (avr_expand_builtin): Code cleanup because .id is removed.
903
904 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
905
906         PR middle-end/51893
907         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
908         targets.
909
910 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
911
912         Backport from 2012-03-28 mainline r185907.
913
914         PR target/52737
915         * config.gcc (tm_file): Remove avr/multilib.h.
916
917         * doc/invoke.texi (AVR Options): Adjust
918         documentation of -mtiny-stack.
919
920         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
921         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
922         * config/avr/t-avr: Remove generation of multilib.h.
923         * config/avr/t-multilib: Regenerate.
924         * config/avr/multilib.h: Remove.
925         * config/avr/avr.opt (-msp8): New option.
926         (avr_sp8): New variable.
927         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
928         * config/avr/avr.h (AVR_HAVE_SPH): New define.
929         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
930         (avr_device_to_sp8): New prototype.
931         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
932         (DRIVER_SELF_SPECS): New define.
933         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
934         __AVR_SP8__, __AVR_HAVE_SPH__.
935         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
936         AVR_HAVE_8BIT_SP to decide if SP_H is present.
937         (avr_file_start): Ditto.
938
939 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
940
941         PR target/52736
942         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
943         instead of 8 in adjust_address.
944
945 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
946
947         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
948         of a unit before computing the offset in units.
949
950 2012-03-27  Richard Guenther  <rguenther@suse.de>
951
952         PR middle-end/52720
953         * fold-const.c (try_move_mult_to_index): Handle &x.array more
954         explicitely.
955
956 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
957
958         PR target/52610
959         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
960
961 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
962
963         PR middle-end/52640
964         * varasm.c: Include pointer-set.h.
965         (pending_assemble_externals_set): New pointer set.
966         (process_pending_assemble_externals): Destroy the pointer set.
967         (assemble_external): See if decl is in pending_assemble_externals_set,
968         and add it to pending_assemble_externals if necessary.
969         (init_varasm_once): Allocate pending_assemble_externals_set.
970
971 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
972
973         Backported from mainline
974         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
975
976         PR target/50310
977         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
978         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
979         (vector_ltgt<mode>): Likewise.
980         (vector_ordered<mode>): Likewise.
981         (vector_unordered<mode>): Likewise.
982         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
983
984 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
985
986         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
987         Make static.
988
989 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
990
991         Backported from mainline
992         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
993
994         PR target/48596
995         PR target/48806
996         * config/sh/sh.c (sh_register_move_cost): Increase cost between
997         GENERAL_REGS and FP_REGS for SImode.
998
999 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1000
1001         PR middle-end/52547
1002         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
1003         on any new_local_var_chain vars declared during recursing on
1004         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
1005
1006 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1007
1008         Backport from 2012-03-22 mainline r185692.
1009
1010         PR target/52496
1011         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
1012         (unspecv): Add UNSPECV_MEMORY_BARRIER.
1013         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
1014         (delay_cycles_1, delay_cycles_2): Ditto.
1015         (delay_cycles_3, delay_cycles_4): Ditto.
1016         (nopv, *nopv): Ditto.
1017         (sleep, *sleep): Ditto.
1018         (wdr, *wdr): Ditto.
1019
1020         Backport from 2012-03-21 mainline r185605.
1021
1022         PR rtl-optimization/52543
1023         PR target/52461
1024         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
1025         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
1026         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
1027         (avr_load_libgcc_p): Restrict to __flash loads.
1028         (avr_out_lpm): Only handle 1-byte loads from __flash.
1029         (avr_load_lpm): New function.
1030         (avr_find_unused_d_reg): Remove.
1031         (avr_out_lpm_no_lpmx): Remove.
1032         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
1033         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
1034         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
1035         (load_<mode>, load_<mode>_clobber): New insns.
1036         (mov<mode>): For multi-byte move from non-generic
1037         16-bit address spaces: Expand to load_<mode> resp.
1038         load_<mode>_clobber.
1039         (load<mode>_libgcc): Remove expander.
1040         (split-lpmx): Remove split.
1041
1042         Backport from 2012-03-13 mainline r185329.
1043
1044         PR target/52488
1045         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
1046         offset (size) to a value the insns can deal with.
1047         (expand_epilogue): Ditto.
1048
1049         Backport from 2012-03-12 mainline r185256.
1050
1051         PR target/52499
1052         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
1053         type from reg_class_t to enum reg_class.
1054         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
1055
1056         Backport from 2012-03-12 mainline r185253.
1057
1058         PR target/52148
1059         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
1060         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
1061         r184615 from 2012-02-28.
1062
1063         Backport from 2012-03-08 mainline r185105.
1064
1065         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1066         for constants in [-63,63].
1067
1068         Backport from 2012-03-08 mainline r185100.
1069
1070         PR target/52496
1071         * config/avr/avr.c (avr_mem_clobber): New static function.
1072         (avr_expand_delay_cycles): Add memory clobber operand to
1073         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1074         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1075         (enable_interrupt, disable_interrupt): New expander.
1076         (nopv, sleep, wdr): New expanders.
1077         (delay_cycles_1): Add memory clobber.
1078         (delay_cycles_2): Add memory clobber.
1079         (delay_cycles_3): Add memory clobber.
1080         (delay_cycles_4): Add memory clobber.
1081         (cli_sei): New insn from former "enable_interrupt",
1082         "disable_interrupt" with memory clobber.
1083         (*wdt): New insn from former "wdt" with memory clobber.
1084         (*nopv): Similar, but for "nopv".
1085         (*sleep): Similar, but for "sleep".
1086
1087         Backport from 2012-03-07 mainline r185043.
1088
1089         PR target/52484
1090         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1091
1092         Backport from 2012-03-07 mainline r185032.
1093
1094         PR target/52506
1095         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1096         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1097         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1098
1099         Backport from 2012-03-07 mainline r185031.
1100
1101         PR target/52505
1102         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1103         from RAM.
1104         * config/avr/avr.md (xload_8): Adjust insn length.
1105
1106         Backport from 2012-03-07 mainline r185030.
1107
1108         PR target/52461
1109         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1110         if RAMPZ affects reading from RAM.
1111
1112         Backport from 2012-03-05 mainline r184919.
1113
1114         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1115
1116 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
1117
1118         Backport from mainline r185259.
1119
1120         PR other/52545
1121         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
1122         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
1123
1124 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
1125
1126         Backported from mainline
1127         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
1128
1129         PR c/52577
1130         * c-parser.c (c_parser_postfix_expression)
1131         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
1132
1133         * config/i386/smmintrin.h: Avoid /* within a comment.
1134         * config/i386/nmmintrin.h: Likewise.
1135
1136 2012-03-22  Richard Guenther  <rguenther@suse.de>
1137
1138         * BASE-VER: Set to 4.7.1.
1139         * DEV-PHASE: Set to prerelease.
1140
1141 2012-03-22  Release Manager
1142
1143         * GCC 4.7.0 released.
1144
1145 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1146
1147         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
1148
1149 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
1150             Andrew Pinski  <apinski@cavium.com>
1151
1152         PR middle-end/52592
1153         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
1154         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
1155         calls instead of __builtin_ir{int,ound}*.
1156
1157 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
1158
1159         PR c++/52582
1160         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
1161         if c_node is NULL.
1162
1163 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
1164
1165         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
1166         Refer to GCC 4.7 version of c99status.html.
1167
1168 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
1169
1170         Backport from mainline
1171         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1172
1173         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1174         redefine to be NULL if the current bit-size is different from the
1175         configured bit-size.
1176
1177         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1178         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1179         set the default tuning.  Add asserts to make sure the cpu and tune
1180         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1181         test whether the index is set, instead of > 0.
1182         (rs6000_file_start): Do not reset the default cpu if the current
1183         bit-size is different from the configured bit-size.
1184
1185 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1186
1187         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
1188         binutils reference.
1189         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
1190         Update binutils references.
1191         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
1192         Update binutils reference.
1193         Update Sun as/GNU ld caveat.
1194         Document binutils largefile requirement for LTO plugin.
1195         Remove reference to alternate libpthread.
1196
1197 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1198
1199         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
1200         reference.
1201         (Specific, mips-sgi-irix6): Likewise.
1202
1203 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1204
1205         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1206         * configure: Regenerate.
1207
1208 2012-03-07  Richard Henderson  <rth@redhat.com>
1209
1210         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1211         * config/m68k/sync.md (atomic_test_and_set): Use it.
1212         (atomic_test_and_set_1): Likewise.
1213
1214 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
1215
1216         PR target/51417
1217         * Makefile.in: Let install-gcc-ar depend on installdirs,
1218         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1219         Don't double canonicalize if cross-compiling.
1220
1221 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1222
1223         * trans-mem.c: New typedef for tm_region_p.
1224         Define vector types for tm_region_p.
1225         (tm_region_init): Replace region_worklist to a vector called
1226         bb_regions.
1227
1228 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1229
1230         PR middle-end/52463
1231         * trans-mem.c (tm_region_init): Use last_basic_block.
1232
1233 2012-03-05  Richard Henderson  <rth@redhat.com>
1234
1235         PR tree-opt/52242
1236         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1237         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1238         BIGGEST_ALIGNMENT is aligned.
1239
1240 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1241
1242         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1243
1244 2012-03-05  Richard Henderson  <rth@redhat.com>
1245
1246         PR target/52481
1247         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1248         instead of calling negqi2 directly.
1249
1250 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1251
1252         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
1253         (INTMAX_TYPE): Use it.
1254         (UINTMAX_TYPE): Likewise.
1255         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1256         (irix6_c_common_override_options): Declare.
1257         (C_COMMON_OVERRIDE_OPTIONS): Define.
1258         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
1259         * config/mips/irix6-c.c: New file.
1260         * config/mips/t-irix6 (irix6-c.o): New target.
1261         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
1262         cxx_target_objs.
1263
1264 2012-03-02  Richard Henderson  <rth@redhat.com>
1265
1266         * optabs.c (expand_atomic_test_and_set): Honor
1267         atomic_test_and_set_trueval even when atomic_test_and_set
1268         optab is not in use.
1269
1270 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1271
1272         Backport from mainline
1273         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1274
1275         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1276
1277 2012-03-02  Richard Guenther  <rguenther@suse.de>
1278
1279         * DEV-PHASE: Set to prerelease.
1280
1281 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1282
1283         * config.gcc (obsolete): Add all ARM targets using the FPA.
1284         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1285         * doc/install.texi: Avoid references to obsolete ARM ports.
1286
1287 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1288
1289         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1290
1291 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1292             Joern Rennecke  <joern.rennecke@embecosm.com>
1293
1294         * doc/extend.texi: Expand and update information on interrupt
1295         attribute for Epiphany.
1296
1297 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1298
1299         * config/sh/sh-protos.h: Update copyright notice dates.
1300         * config/sh/sh.h: Likewise.
1301         * config/sh/sh.md: Likewise.
1302         * config/sh/constraints.md: Likewise.
1303         * config/sh/predicates.md: Likewise.
1304
1305 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1306
1307         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1308         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1309
1310 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1311
1312         * config/sh/constraints.md: Fix comment typo.
1313
1314 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1315
1316         PR target/52408
1317         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1318         unsigned HOST_WIDE_INT.
1319         (zvdep_imm64): Likewise.
1320         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1321         (vdepi_and): Likewise.
1322         Likewise for unamed 64-bit patterns.
1323         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1324
1325 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1326
1327         PR debug/52001
1328         PR rtl-optimization/52417
1329         * cselib.c (cselib_any_perm_equivs): New variable.
1330         (cselib_reset_table): Check that it's not set when not
1331         preserving constants.
1332         (cselib_add_permanent_equiv): Set it.
1333         (cselib_have_permanent_equivalences): New.
1334         (cselib_init, cselib_finish): Reset it.
1335         * cselib.h (cselib_have_permanent_equivalences): Declare.
1336         * alias.c (get_addr): Restore earlier behavior when there
1337         aren't permanent equivalences.
1338
1339 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1340
1341         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1342         * config/v850/v850-modes.def: Fix copyright notice.
1343
1344 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1345
1346         * doc/extend.texi (AVR Built-in Functions): Document
1347         __builtin_avr_flash_segment.
1348
1349         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1350         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1351         (*split.flash_segment): New insn-and-split.
1352         * config/avr/avr.c (avr_init_builtins): Add local variables:
1353         const_memx_void_node, const_memx_ptr_type_node,
1354         char_ftype_const_memx_ptr.
1355
1356 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1357
1358         PR tree-optimization/52445
1359         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1360         add ssa_name_ver, offset and size fields and change store field
1361         to bool.
1362         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1363         (add_or_mark_expr): Likewise.  Only consider previous stores
1364         with the same size and offset.
1365         (nt_init_block): Only look at gimple_assign_single_p stmts,
1366         doesn't look at rhs2.
1367
1368 2012-03-01  Richard Guenther  <rguenther@suse.de>
1369
1370         PR middle-end/52443
1371         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1372         conversions from integral types to pointer types.
1373
1374 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1375
1376         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1377         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1378         unintentionally removed in r184616.
1379
1380 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1381
1382         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1383         3DNow from bdver1.
1384
1385 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1386             Uros Bizjak  <ubizjak@gmail.com>
1387
1388         PR target/52437
1389         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1390         alternatives, add "e" constraint to the new last alternative
1391         and ! to last 3 alternatives.
1392
1393 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1394
1395         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1396         DW_AT_artificial attributes at the end of the processing.
1397         (gen_array_type_die): Likewise.
1398         (gen_enumeration_type_die): Likewise.
1399         (gen_struct_or_union_type_die): Likewise.
1400         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1401         the parent type.
1402
1403 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1404
1405         PR middle-end/52419
1406         * expr.c (expand_assignment): If doing misaligned store that doesn't
1407         cover all mode bits, perform a RMW cycle.
1408
1409         PR tree-optimization/52429
1410         * tree-parloops.c (separate_decls_in_region_debug): Return early
1411         if var is LABEL_DECL.
1412
1413 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1414
1415         PR tree-optimization/52424
1416         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1417         calling dom_thread_across_edge.
1418
1419 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1420
1421         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1422
1423 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1424
1425         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1426         * config/avr/avr.c (avr_output_bld): Remove unused function.
1427         (avr_out_sbxx_branch): Use "%T" to print bit position.
1428
1429 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1430
1431         * config/avr/avr.md: Untabify.
1432
1433 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1434
1435         * config/avr/avr.md (eqne): New code iterator.
1436         (*dec-and-branchsi): Use it in text peephole's condition.
1437         (*dec-and-branchhi): Ditto.
1438         (*dec-and-branchqi): Ditto.
1439
1440 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1441
1442         PR target/49939
1443         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1444         the device does not have the skip-bug.
1445
1446 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1447
1448         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1449         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1450         -mpretend-cmove): New.
1451
1452 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1453
1454         PR bootstrap/52397
1455         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1456         doesn't count DEBUG_INSN refs.
1457         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1458         for DEBUG_INSN refs.
1459
1460 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1461
1462         Partially revert:
1463
1464         2012-02-20  Richard Guenther  <rguenther@suse.de>
1465         PR tree-optimization/52298
1466         * tree-vect-stmts.c (vectorizable_load): Properly use
1467         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1468         outer loops.
1469
1470 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1471
1472         PR middle-end/51752
1473         * gimple.h (gimple_in_transaction): New.
1474         (gimple_set_in_transaction): New.
1475         (struct gimple_statement_base): Add in_transaction field.
1476         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1477         transaction loads.
1478         (tree_ssa_lim_initialize): Compute transaction bits.
1479         * tree.h (compute_transaction_bits): Protoize.
1480         * trans-mem.c (tm_region_init): Use the heap to store BB
1481         auxilliary data.
1482         (compute_transaction_bits): New.
1483
1484 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1485
1486         * gcc.c (display_help): Document --help=common and sort entries
1487         alphabetically.
1488
1489 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1490
1491         * doc/install.texi: Document check-$LANG specific shortcuts
1492
1493 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1494
1495         PR target/51534
1496         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1497         and vcgtu.
1498         * config/arm/arm_neon.h: Regenerate.
1499         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1500         (neon_vcgeu): New insn.
1501         (neon_vcgtu): Likewise.
1502         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1503         (ops): Unsigned comparison intrinsics call a different
1504         builtin.
1505
1506 2012-02-28  Richard Guenther  <rguenther@suse.de>
1507
1508         PR target/52407
1509         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1510         ordering for the VEC_CONCAT for two element vectors for
1511         V2SFmode, V2SImode and V2DImode.
1512
1513 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1514
1515         PR target/49448
1516         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1517         detecting big-endian triplets.
1518
1519 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1520
1521         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1522         mode if there is no type information available.
1523
1524 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1525
1526         PR tree-optimization/53207
1527         * doc/invoke.texi: Document as experimental and relying on graphite.
1528
1529 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1530
1531         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1532         of initializer to changes from r184614.
1533
1534 2012-02-28  Richard Guenther  <rguenther@suse.de>
1535
1536         PR tree-optimization/52395
1537         * tree-sra.c (build_ref_for_offset): Also look at the base
1538         TYPE_ALIGN when figuring out the alignment of the replacement.
1539
1540 2012-02-28  Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/52402
1543         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1544         mis-aligned types when creating the accesses at the call site.
1545
1546 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1547
1548         * config/avr/builtins.def: New file.
1549         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1550         * config/avr/avr.c (enum avr_builtin_id): Use it.
1551         (avr_init_builtins): Use it. And use avr_bdesc.
1552         (bdesc_1arg): Remove.
1553         (bdesc_2arg): Remove.
1554         (bdesc_3arg): Remove.
1555         (struct avr_builtin_description): Add field n_args.
1556         (avr_bdesc): New static variable using builtins.def.
1557         (avr_expand_builtin): Use it.
1558         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1559         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1560         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1561
1562 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1563
1564         PR target/52148
1565         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1566         match only one single hard register with respective hard reg rtx.
1567         (movmemx_<mode>): Ditto.
1568         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1569         insn anatomy of movmem[x]_<mode>.
1570         (avr_out_movmem): Same for printing assembler and operand usage.
1571
1572 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1573
1574         PR target/49868
1575         PR target/52261
1576         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1577         address spaces located outside of device flash.
1578
1579         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1580         (mcu_type_s): Add field n_flash.
1581         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1582         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1583         (AVR_MCU): Add N_FLASH argument.
1584         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1585         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1586         macro __FLASH<n> if that address space makes sense for the device.
1587         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1588         outside of target flash.
1589         (avr_asm_named_section): Ditto.
1590         (avr_asm_select_section): Ditto.
1591         (avr_addr_space_convert): Ditto.
1592         (avr_emit_movmemhi): Ditto.
1593         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1594         address space is outside of device flash.
1595         (avr_insert_attributes): Ditto.
1596         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1597         avr_current_arch->n_segments.
1598
1599 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1600
1601         PR target/52352
1602         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1603         TARGET_LP64.
1604         (*movabs<mode>_2): Likewise.
1605
1606 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1607
1608         PR target/52375
1609         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1610         s_register_operand in the test instead of REG_P.  Don't call
1611         gen_reg_rtx if it won't be used.
1612
1613         PR tree-optimization/52376
1614         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1615
1616 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1617
1618         * ifcvt.c (noce_get_condition): Check condition variable is not
1619         small_register_classes_for_mode_p before accepting.
1620
1621 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1622
1623         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1624
1625 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1626
1627         Revert:
1628         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1629         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1630         tuning parameters.
1631         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1632
1633 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1634
1635         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1636
1637 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1638
1639         * config/sh/predicates.md: Remove blank lines.
1640         * config/sh/sh.c: Fix typos in comments.
1641         * config/sh/constraints.md: Likewise.
1642         * config/sh/sh.md: Remove blank lines.
1643         Fix typos in comments.  Use ;; as comment characters.
1644
1645 2012-02-26  Walter Lee  <walt@tilera.com>
1646
1647         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1648         (replace_mov_pcrel_step2): Ditto.
1649
1650 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1651
1652         PR debug/52001
1653         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1654         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1655         and locs that reference values newer than the non-canonical value
1656         at hand.  Return the canonical value as a worst case.
1657         (memrefs_conflict_p): Walk canonical value's locs.
1658
1659         PR debug/52001
1660         * cselib.c (preserve_only_constants): Rename to...
1661         (preserve_constants_and_equivs): ... this.  Split out...
1662         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1663         of other preserved expressions too.
1664         (cselib_reset_table): Adjust.
1665         * var-tracking.c (reverse_op): Use canonical value to build
1666         reverse operation.
1667
1668 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1669
1670         * config/i386/i386.c (ix86_delegitimize_address): Handle
1671         UNSPEC_PCREL plus displacement.
1672
1673 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1674
1675         PR target/52261
1676         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1677         to test for unusedness in st X addressing.
1678
1679 2012-02-24  Richard Guenther  <rguenther@suse.de>
1680
1681         PR middle-end/52361
1682         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1683         (is_gimple_reg_type): Move inline ...
1684         * gimple.h (is_gimple_reg_type): ... here.
1685
1686 2012-02-24  Richard Guenther  <rguenther@suse.de>
1687
1688         PR middle-end/52361
1689         * passes.c (execute_function_todo): When verifying SSA form
1690         verify gimple form first.
1691         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1692
1693 2012-02-24  Richard Guenther  <rguenther@suse.de>
1694
1695         PR middle-end/52355
1696         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1697         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1698
1699 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1700
1701         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1702
1703 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1704
1705         * tree-phinodes.c (make_phi_node): Mark static.
1706         * tree-flow.h (make_phi_node): Remove extern decl.
1707         * doc/gimple.texi (make_phi_node): Remove documentation.
1708
1709 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1710
1711         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1712         * tree-ssa-sccvn.c (print_scc): Ditto.
1713
1714 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1715
1716         * doc/passes.texi (Full redundancy elimination): Fix typo.
1717
1718 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1719
1720         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1721
1722 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1723
1724         PR bootstrap/52287
1725         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1726
1727 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1728
1729         PR c/52290
1730         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1731
1732 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1733
1734         * config/avr/avr.md (code_stdname): Add ior, xor.
1735         (xior): New code iterator.
1736         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1737         (*<code_stdname><mode>qi.byte1-3): Ditto.
1738
1739 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1740
1741         PR tree-optimization/52019
1742         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1743         CLOBBER stmts.
1744
1745 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1746
1747         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1748         HAVE_INITFINI_ARRAY to work around namespace pollution in
1749         certain versions of newlib system headers.
1750         * config.in: Regenerate.
1751         * configure: Regenerate.
1752         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1753         instead of HAVE_INITFINI_ARRAY.
1754
1755 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1756
1757         PR target/52330
1758         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1759         is not offsettable memory reference.
1760
1761 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1762
1763         PR target/18145
1764         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1765         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1766
1767 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1768
1769         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1770         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1771
1772 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1773
1774         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1775         library on Solaris 8 even without TLS support.
1776         * configure: Regenerate.
1777
1778 2012-02-22  Richard Guenther  <rguenther@suse.de>
1779
1780         PR middle-end/52329
1781         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1782         for GIMPLE_DEBUG stmts.
1783
1784 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1785
1786         PR middle-end/51782
1787         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1788         according to the base object.
1789
1790 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1791
1792         PR rtl-optimization/50063
1793         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1794         and 2 (8-bit SP) in operand 2.
1795         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1796         setup to use movhi_sp_r instead of vanilla move to write SP.
1797         Adjust REG_CFA notes to superseed unspec.
1798         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1799         of vanilla move.
1800         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1801         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1802         irq_state 1 (IRQ known to be on) here.
1803
1804 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1805
1806         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1807         WORDS_BIG_ENDIAN.
1808         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1809         assign_hard_reg): Likewise.
1810
1811 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1812
1813         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1814
1815 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1816
1817         * config/avr/avr.md
1818         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1819         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1820
1821 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1822
1823         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1824         prototype from here to...
1825         * config/avr/avr.h: ...here.
1826
1827 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1828
1829         PR target/52294
1830         * thumb2.md (thumb2_shiftsi3_short): Split register and
1831         immediate shifts.  For register shifts tie operands 0 and 1.
1832         (peephole2 for above): Check that register-controlled shifts
1833         have suitably tied operands.
1834
1835 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1836
1837         PR target/52137
1838         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1839         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1840         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1841         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1842         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1843         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1844         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1845         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1846         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1847         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1848         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1849         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1850         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1851         bdver1_ssevector_avx256_unaligned_load,
1852         bdver1_ssevector_sse128_unaligned_load,
1853         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1854         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1855         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1856         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1857         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1858         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1859         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1860         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1861         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1862         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1863         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1864         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1865         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1866         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1867         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1868         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1869         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1870         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1871         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1872         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1873         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1874         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1875         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1876         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1877         bdver1_ssediv_double_load, bdver1_ssediv_double,
1878         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1879         Add "bdver2" attribute.
1880
1881 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1882
1883         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1884         default if possible and not specified otherwise.
1885
1886 2012-02-21  Richard Guenther  <rguenther@suse.de>
1887
1888         PR middle-end/52314
1889         * gimplify.c (create_tmp_from_val): Use the main variant type
1890         for the type of the temporary we create.
1891
1892 2012-02-21  Richard Guenther  <rguenther@suse.de>
1893
1894         PR tree-optimization/52324
1895         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1896         do not gimplify a MEM_REF address operand if it is already
1897         in suitable form.
1898
1899 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1900
1901         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1902         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1903
1904 2012-02-21  Richard Guenther  <rguenther@suse.de>
1905
1906         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1907         nested_in_vect_loop.
1908
1909 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1910
1911         PR tree-optimization/52318
1912         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1913         vdef also to non-pure/const call stmts in the sequence.
1914
1915 2012-02-20  David S. Miller  <davem@davemloft.net>
1916
1917         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1918         don't use the "rd %pc" instruction on v9 for PIC register loads.
1919
1920 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1921
1922         PR middle-end/52141
1923         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1924         in a transaction safe function.
1925
1926 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1927
1928         PR target/52238
1929         * stor-layout.c (place_field): Handle desired_align for
1930         ms-bitfields, too.
1931
1932 2012-02-20  Richard Guenther  <rguenther@suse.de>
1933
1934         PR tree-optimization/52298
1935         * tree-vect-stmts.c (vectorizable_store): Properly use
1936         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1937         outer loops.
1938         (vectorizable_load): Likewise.
1939         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1940         Access DR_STEP after ensuring it is not NULL.
1941
1942 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1943
1944         PR tree-optimization/52286
1945         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1946         optimization use double_int_to_tree instead of build_int_cst_wide,
1947         rewrite to use double_int vars.
1948
1949 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1950
1951         PR target/50166
1952         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1953         Define _start.
1954         Remove -e 0 from $gcc_cv_ld invocation.
1955         Only use __GLIBC_PREREQ if defined.
1956         Enable on Solaris since Solaris 8 patch.
1957         (gcc_SUN_LD_VERSION): New macro.
1958         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1959         gcc_SUN_LD_VERSION for version number format.
1960         * configure: Regenerate.
1961         * varasm.c (get_elf_initfini_array_priority_section): Set
1962         SECTION_NOTYPE for non-default priority.
1963         Use get_section instead of get_unnamed_section to emit
1964         .init_array/.fini_array with default priority.
1965
1966 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1967
1968         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1969         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1970         (mips_start_unique_function, mips_output_mips16_rdhwr)
1971         (mips_code_end): New functions.
1972         (TARGET_ASM_CODE_END): Define.
1973
1974 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1975
1976         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1977         to stubs with non-sibling calls.
1978
1979 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1980
1981         * doc/invoke.texi (-fira-* options): Copy-edit.
1982         (ira-* parameters): Copy-edit.
1983
1984 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1985
1986         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1987         GCC coding conventions.
1988
1989 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1990
1991         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1992         when used as adjectives.
1993
1994 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1995
1996         * doc/invoke.texi: Clean up "that"/"which" confusion.
1997
1998 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1999
2000         * system.h: Poison SMALL_REGISTER_CLASSES
2001         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2002         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2003
2004 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2005
2006         PR tree-optimization/52285
2007         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2008         when deciding if a call is a tail call or tail recursion.
2009
2010 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2011
2012         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2013         interger-constant displacement for UNSPEC_PCREL.
2014
2015 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2016
2017         PR rtl-optimization/52208
2018         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2019         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2020
2021         PR tree-optimization/52255
2022         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2023         loop->header has virtual PHI, but exit_e->dest doesn't, add
2024         virtual PHI to exit_e->dest and adjust all uses after the loop.
2025
2026         PR debug/52260
2027         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2028         children with clone_tree_hash, not after it.
2029
2030 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2031
2032         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2033         extended identifiers.
2034
2035 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2036
2037         PR middle-end/51929
2038         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2039         a same_body_alias, also test whether e->callee isn't a former
2040         or current clone of the decl this is a same body alias of.
2041
2042         PR translation/52264
2043         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2044
2045 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2046
2047         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2048
2049 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2050
2051         PR target/52199
2052         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2053         force_reg instead of copy_to_reg for better optimization.  Force
2054         non-register or memory operands into a register.
2055
2056 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2057
2058         * extend.texi: Reserve upper bits of memory model for future use.
2059
2060 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2061             Anatoly Sokolov <aesok@post.ru>
2062             Eric Weddington <eric.weddington@atmel.com>
2063
2064         PR target/52261
2065         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2066         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2067         Rewrite initializers for .macro.
2068         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2069         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2070         atxmega32d4, atxmega32x1.
2071         avrxmega4: atxmega64a3, atxmega64d3.
2072         avrxmega5: atxmega64a1, atxmega64a1u.
2073         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2074         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2075         avrxmega7: atxmega128a1, atxmega128a1u.
2076         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2077         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2078         (struct base_arch_s): Rename reserved to xmega_p.
2079         Rename reserved2 to have_rampd.
2080         (AVR_XMEGA): New define.
2081         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2082         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2083         * config/avr/predicates.md (io_address_operand): Take into
2084         account SFR offset.
2085         (low_io_address_operand): Ditto.
2086         (high_io_address_operand): Ditto.
2087         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2088         (enabled, movhi_sp_r): Use them.
2089         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2090         cpp_define_formatted to built-in define __AVR_ARCH__.
2091         (__AVR_XMEGA__): New built-in define.
2092         (__AVR_HAVE_RAMPD__): New built-in define.
2093         (__AVR_HAVE_RAMPX__): New built-in define.
2094         (__AVR_HAVE_RAMPY__): New built-in define.
2095         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2096
2097         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2098         (avr_option_override): Initialize them.
2099         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2100         (avr_init_expanders): Initialize them. No more block several calls.
2101         (emit_push_sfr): New static function.
2102         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2103         Handle AVR_XMEGA.
2104         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2105         (avr_print_operand): Print addreeses as symbols for
2106         RAMPX, RAMPY, RAMPD, CCP.
2107         (output_movhi): Handle AVR_XMEGA when writing to SP.
2108         (avr_out_movhi_mr_r_xmega): New static function.
2109         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2110         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2111         __RAMPD__,  __CCP__ as needed.
2112
2113         * config/avr/multilib.h: Regenerate.
2114         * config/avr/t-multilib: Regenerate.
2115         * config/avr/avr-tables.opt: Regenerate.
2116
2117 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2118
2119         PR tree-optimization/50561
2120         * graphite-flattening.c (lst_project_loop): Do not
2121         remove old scattering dimensions after flattening.
2122         (lst_do_flatten): Likewise.
2123
2124 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2125
2126         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2127         __builtin_avr_map8, __builtin_avr_map16.
2128         Document __builtin_avr_insert_bits.
2129
2130         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2131         (insert_bits): New insn.
2132         (adjust_len.map_bits): Rename to insert_bits.
2133         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2134         * avr-protos.h (avr_out_map_bits): Remove.
2135         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2136         * config/avr/constraints.md (Cxf,C0f): New.
2137         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2138         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2139         New built-in define __BUILTIN_AVR_INSERT_BITS.
2140         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2141         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2142         (avr_move_bits): Rewrite.
2143         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2144         functions.
2145         (avr_map_op_t): New typedef.
2146         (avr_map_op): New static variable.
2147         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2148         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2149         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2150         (bdesc_3arg, avr_expand_triop_builtin): New.
2151         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2152         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2153         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2154         (avr_map_equal_p, avr_map_sig_p): Remove.
2155         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2156         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2157         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2158         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2159         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2160         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2161
2162 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2163
2164         * config/c6x/c6x.md (reserve_cycles): New attribute.
2165         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2166         don't reserve functional units after the branch occurs.
2167
2168 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2169
2170         PR middle-end/52142
2171         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2172         functions into non-tm_pure functions.
2173
2174 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2175
2176         PR lto/52178
2177         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2178         (iterative_hash_canonical_type): Likewise.
2179         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2180         the dead edges.
2181
2182 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2183
2184         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2185         sched-group insn, it either remains alone or the entire list is pruned.
2186
2187 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2188
2189         * doc/install.texi (Prerequisites): Fix grammar.
2190         (Configuration): Likewise.
2191
2192 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2193
2194         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2195         MPC as part of GCC before describing configuring with --with-gmp etc.
2196         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2197         sources are present.
2198
2199 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2200
2201         PR debug/51950
2202         * dwarf2out.c (clone_tree_hash): New function.
2203         (copy_decls_walk): Use it instead of clone_tree.
2204
2205 2012-02-14  Richard Guenther  <rguenther@suse.de>
2206
2207         PR tree-optimization/52244
2208         PR tree-optimization/51528
2209         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2210         replacements for integral types.
2211
2212 2012-02-14  Walter Lee  <walt@tilera.com>
2213
2214         * config.gcc: Handle tilegx and tilepro.
2215         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2216         tilegx and tilepro.
2217         Add HAVE_AS_TLS check for tilegx and tilepro.
2218         * configure: Regenerate.
2219         * doc/contrib.texi: Add Mat Hostetter and self.
2220         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2221         Document instruction intrinsics and network accessing intrinsics.
2222         (TILEPro Built-in Functions): New node.  Document instruction
2223         intrinsics and network accessing intrinsics.
2224         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2225         (Specific, tilepro-*-linux*): Likewise.
2226         * doc/invoke.texi (TILE-Gx Options): New section.
2227         (TILEPro Options): New section.
2228         * doc/md.texi (TILE-Gx): New section.
2229         (TILEPro): New section.
2230         * common/config/tilegx/tilegx-common.c: New file.
2231         * common/config/tilepro/tilepro-common.c: New file.
2232         * config/tilegx/constraints.md: New file.
2233         * config/tilegx/linux.h: New file.
2234         * config/tilegx/mul-tables.c: New file.
2235         * config/tilegx/predicates.md: New file.
2236         * config/tilegx/sync.md: New file.
2237         * config/tilegx/t-tilegx: New file.
2238         * config/tilegx/tilegx-builtins.h: New file.
2239         * config/tilegx/tilegx-c.c: New file.
2240         * config/tilegx/tilegx-generic.md: New file.
2241         * config/tilegx/tilegx-modes.def: New file.
2242         * config/tilegx/tilegx-multiply.h: New file.
2243         * config/tilegx/tilegx-protos.h: New file.
2244         * config/tilegx/tilegx.c: New file.
2245         * config/tilegx/tilegx.h: New file.
2246         * config/tilegx/tilegx.md: New file.
2247         * config/tilegx/tilegx.opt: New file.
2248         * config/tilepro/constraints.md: New file.
2249         * config/tilepro/gen-mul-tables.cc: New file.
2250         * config/tilepro/linux.h: New file.
2251         * config/tilepro/mul-tables.c: New file.
2252         * config/tilepro/predicates.md: New file.
2253         * config/tilepro/t-tilepro: New file.
2254         * config/tilepro/tilepro-builtins.h: New file.
2255         * config/tilepro/tilepro-c.c: New file.
2256         * config/tilepro/tilepro-generic.md: New file.
2257         * config/tilepro/tilepro-modes.def: New file.
2258         * config/tilepro/tilepro-multiply.h: New file.
2259         * config/tilepro/tilepro-protos.h: New file.
2260         * config/tilepro/tilepro.c: New file.
2261         * config/tilepro/tilepro.h: New file.
2262         * config/tilepro/tilepro.md: New file.
2263         * config/tilepro/tilepro.opt: New file.
2264
2265 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2266
2267         PR tree-optimization/52210
2268         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2269         vect_model_simple_cost with two entry vect_def_type array instead
2270         of an address of dt.
2271
2272 2012-02-14  Richard Guenther  <rguenther@suse.de>
2273
2274         PR lto/52178
2275         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2276         Do not stream DECL_QUALIFIER.
2277         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2278         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2279         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2280
2281 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2282
2283         PR c/52181
2284         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2285         newdecl.
2286
2287 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2288
2289         PR bootstrap/52172
2290         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2291         * cselib.c (cselib_subst_to_values_from_insn): New function.
2292         * sched-deps.c (add_insn_mem_dependence,
2293         sched_analyze_1, sched_analyze_2): Use it.
2294
2295 2012-02-13  Jan Hubicka  <jh@suse.cz>
2296
2297         PR middle-end/52214
2298         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2299
2300 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2301
2302         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2303         (GTM_SELF_SPECS): Define if not already defined.
2304         (driver_self_specs): Add GTM_SELF_SPECS.
2305         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2306         (GTM_SELF_SPECS): Define.
2307         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2308         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2309
2310 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2311
2312         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2313         away if seen.
2314
2315         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2316
2317         PR middle-end/52230
2318         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2319         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2320
2321 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2322
2323         PR c/52190
2324         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2325
2326 2012-02-13  Richard Guenther  <rguenther@suse.de>
2327
2328         PR translation/52211
2329         * passes.c (enable_disable_pass): Fix typo.
2330
2331 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2332
2333         PR middle-end/52209
2334         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2335         XOR for reduce_bit_field if type is unsigned.
2336
2337 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2338
2339         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2340         disallow changes from SFmode to mode with different size in FP regs.
2341
2342 2012-02-12  Robert Millan  <rmh@gnu.org>
2343             Gerald Pfeifer <gerald@pfeifer.com>
2344
2345         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2346         Tweak comment.
2347
2348 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2349
2350         PR rtl-optimization/52175
2351         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2352         to frame-related instructions.
2353
2354 2012-02-10  Jason Merrill  <jason@redhat.com>
2355
2356         PR c++/51910
2357         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2358         (demangle_new_symbols): Fill it.
2359         (scan_linker_output): Walk it.
2360         (start_tweaking): Split out from scan_linker_output.
2361         (maybe_tweak): Update sym->chosen.
2362         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2363
2364 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2365
2366         PR debug/52132
2367         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2368
2369 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2370
2371         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2372         having the same mode as previous compare.
2373
2374 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2375
2376         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2377         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2378         (nonlocal_goto_internal): Likewise.
2379         (nonlocal_goto): Emit a use and an indirect jump directly.
2380
2381 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2382
2383         PR c/52190
2384         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2385         __atomic_{is,always}_lock_free.
2386
2387 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2388
2389         PR target/52146
2390         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2391         negative constant address for x32.
2392
2393 2012-02-10  Richard Henderson  <rth@redhat.com>
2394
2395         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2396         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2397         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2398
2399 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2400             Ira Rosen  <irar@il.ibm.com>
2401
2402         PR tree-optimization/50031
2403         * targhooks.c (default_builtin_vectorization_cost): Handle
2404         vec_promote_demote.
2405         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2406         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2407         all types of reduction and pattern statements.
2408         (vect_estimate_min_profitable_iters): Likewise.
2409         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2410         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2411         for explicit realigns.
2412         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2413         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2414         vec_promote_demote.
2415         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2416         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2417         vec_perm for VSX and handle vec_promote_demote.
2418
2419 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2420
2421         PR middle-end/52177
2422         * builtins.c (fold_builtin_atomic_always_lock_free,
2423         expand_builtin_atomic_always_lock_free,
2424         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2425         Return and/or test boolean_true_node/boolean_false_node instead of
2426         integer_one_node/integer_zero_node.
2427
2428 2012-02-10  Jan Hubicka  <jh@suse.cz>
2429
2430         PR middle-end/48600
2431         * predict.c (predict_paths_for_bb): Prevent looping.
2432         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2433
2434 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2435
2436         * config/arm/arm.c (output_move_double): In one case properly
2437         count number of instructions that will be emitted.
2438
2439 2012-02-10  Richard Guenther  <rguenther@suse.de>
2440
2441         PR translation/52193
2442         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2443
2444 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2445
2446         PR middle-end/52140
2447         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2448
2449 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2450
2451         PR debug/52165
2452         * var-tracking.c (emit_note_insn_var_location): If
2453         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2454         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2455         non-NOTE_DURING_CALL_P insn.
2456
2457 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2458
2459         PR middle-end/51867
2460         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2461
2462 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2463
2464         PR driver/48524
2465         * gcc.c (switch_matches) Support switches with separated form,
2466         -D and -U.
2467
2468 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2469
2470         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2471         (SP_ADDR): Ditto.
2472         (RAMPZ_ADDR): Ditto.
2473         * config/avr/avr.c (avr_addr_t): New typedef.
2474         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2475         (avr_init_expanders): Initialize it.
2476         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2477         SREG_ADDR.
2478         (expand_epilogue): Ditto.
2479         (avr_print_operand): Ditto.
2480         (avr_file_start): Ditto.
2481         (avr_emit_movmemhi): Ditto.
2482
2483 2012-02-08  Richard Guenther  <rguenther@suse.de>
2484
2485         PR tree-optimization/46886
2486         * tree-flow.h (do_while_loop_p): Declare.
2487         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2488         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2489
2490 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2491
2492         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2493         always succeed for integers larger than a native word.
2494
2495 2012-02-08  Richard Guenther  <rguenther@suse.de>
2496
2497         PR rtl-optimization/52170
2498         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2499         properly handle integer vector modes.
2500
2501 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2502
2503         PR gcov-profile/52150
2504         * coverage.c: Include target.h.
2505         (build_var): Call targetm.strip_name_encoding on the assembler name.
2506         Change one _ into . or $ if the target allows it.
2507         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2508
2509         PR rtl-optimization/52139
2510         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2511         is a BARRIER after emit_insn_after_noloc, move BB_END
2512         to the last non-BARRIER insn before it.
2513
2514 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2515
2516         PR middle-end/24306
2517         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2518         (mips_gimplify_va_arg_expr): Call it instead of
2519         std_gimplify_va_arg_expr.
2520
2521 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2522
2523         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2524         message for -mno-pointers-to-nested-function.
2525
2526 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2527
2528         PR middle-end/51994
2529         * expr.c (get_inner_reference): If there is an offset, add a negative
2530         bit position to it (if any).
2531
2532 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2533
2534         PR rtl-optimization/52060
2535         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2536         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2537         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2538         and/or i0src_copy2 when needed.
2539
2540 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2541
2542         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2543         or LTOPLUGINSONAME if have_c.
2544
2545         * config/freebsd-spec.h: Add comment about what macros can be defined
2546         in this header.
2547         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2548         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2549         here instead.
2550
2551 2012-02-07  Richard Guenther  <rguenther@suse.de>
2552
2553         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2554         newline in -alias dumps.
2555
2556 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2557             Dave Korn  <dave.korn.cygwin@gmail.com>
2558
2559         PR target/40068
2560         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2561         Take care that typinfo gets dllexport-attribute.
2562
2563 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2564
2565         PR middle-end/52074
2566         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2567         if modifier < EXPAND_SUM call force_operand on the result.
2568
2569 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2570
2571         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2572         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2573         present.
2574         (epiphany_function_type): Replace types for specific interrupts with
2575         EPIPHANY_FUNCTION_INTERRUPT.
2576         (EPIPHANY_INTERRUPT_P): Update.
2577         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2578         New static function.
2579         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2580         <disinterrupt>: Affects type identity.
2581         (epiphany_handle_interrupt_attribute): Handle variable number of
2582         arguments.
2583         (epiphany_compute_function_type): Update for new
2584         epiphany_function_type definition.
2585         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2586         handlers with a longcall forwarder.
2587         (epiphany_start_function): Handle multiple interrupt arguments and/or
2588         forwarder_section attribute.
2589
2590         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2591         libgloss.
2592
2593 2012-02-07  Alan Modra  <amodra@gmail.com>
2594
2595         PR target/52107
2596         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2597         subregs of TFmode.
2598
2599 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2600
2601         PR tree-optimization/50969
2602         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2603         use vec_perm rather than vector_stmt.
2604         (vect_model_load_cost): Likewise.
2605         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2606         vec_perm to be the same as other vector statements.
2607         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2608         cost of vec_perm for TARGET_VSX.
2609
2610 2012-02-06  Richard Guenther  <rguenther@suse.de>
2611
2612         PR tree-optimization/52115
2613         * tree-sra.c (access_has_replacements_p): New function.
2614         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2615
2616 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2617
2618         PR middle-end/52047
2619         * trans-mem.c (expand_call_tm): Add an assertion.
2620         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2621         functions.
2622
2623 2012-02-06  Richard Guenther  <rguenther@suse.de>
2624
2625         PR tree-optimization/50955
2626         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2627         raise cost of expressions that replace an address with an
2628         expression based on a different pointer.
2629
2630 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR target/52129
2633         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2634         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2635
2636 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2637
2638         PR c++/48680
2639         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2640         -Weffc++ and specify guidelines come from second edition.
2641
2642 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2643
2644         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2645         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2646         (call_direct_split, call_value_split, call_value_internal_direct)
2647         (call_value_direct_split, call_value_multiple_split): Use jal and
2648         jal_macro attributes.
2649
2650 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2651
2652         * reload1.c (reload_regs_reach_end_p): Replace with...
2653         (reload_reg_rtx_reaches_end_p): ...this function.
2654         (new_spill_reg_store): Update commentary.
2655         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2656         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2657         before setting new_spill_reg_store.
2658         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2659         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2660         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2661         for non-spill reload registers.
2662
2663 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2664
2665         PR tree-optimization/52091
2666         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2667         (vect_is_simple_use_1): Likewise.
2668         * tree-vect-loop.c (vectorizable_reduction): Update calls
2669         to vect_is_simple_use_1 and vect_is_simple_use.
2670         (vectorizable_live_operation): Likewise.
2671         * tree-vect-patterns.c (widened_name_p,
2672         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2673         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2674         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2675         vectorizable_shift,vectorizable_operation, vectorizable_store,
2676         vectorizable_load): Likewise.
2677         (vect_is_simple_cond): Add an argument, pass it to
2678         vect_is_simple_use_1.
2679         (vectorizable_condition): Update calls to vect_is_simple_cond,
2680         vect_is_simple_use.
2681         (vect_is_simple_use): Add an argument, the statement in which
2682         OPERAND is used.  Check that if OPERAND's def stmt is a double
2683         reduction phi node, the use is a phi node too.
2684         (vect_is_simple_use_1): Add an argument, pass it to
2685         vect_is_simple_use.
2686         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2687         to vect_is_simple_use.
2688
2689 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2690
2691         PR rtl-optimization/52095
2692         * modulo-sched.c (dump_insn_locator): New function.
2693         (loop_canon_p, sms_schedule): Use it.
2694
2695         PR rtl-optimization/52113
2696         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2697         even for decomposable shift/zext insns.
2698
2699 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2700             Zdenek Dvorak  <ook@ucw.cz>
2701
2702         PR rtl-optimization/52092
2703         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2704         on get_iv_value result.
2705
2706 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2707
2708         PR middle-end/47982
2709         PR middle-end/43967
2710         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2711
2712 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2713
2714         PR middle-end/48071
2715         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2716
2717 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2718
2719         PR rtl-optimization/49800
2720         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2721         (sched_finish): Call regstat_free_n_sets_and_refs.
2722
2723 2012-02-02  Jia Liu  <proljc@gmail.com>
2724
2725         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2726         than operand 2.
2727
2728 2012-02-02  Jan Hubicka  <jh@suse.cz>
2729             Tom de Vries  <tom@codesourcery.com>
2730
2731         PR middle-end/51998
2732         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2733         * varpool.c (varpool_analyze_pending_decls): Likewise.
2734
2735 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2736             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2737
2738         * config.gcc: Add cr16-* support.
2739
2740         * doc/extend.texi: Document cr16 extensions.
2741         * doc/install.texi: Document cr16 install.
2742         * doc/invoke.texi: Document cr16 options.
2743         * doc/md.texi: Document cr16 constraints.
2744
2745         * common/config/cr16/cr16-common.c: New file.
2746         * config/cr16/cr16.c: New file.
2747         * config/cr16/cr16.h: New file.
2748         * config/cr16/cr16.md: New file.
2749         * config/cr16/cr16.opt: New file.
2750         * config/cr16/cr16-protos.h: New file.
2751         * config/cr16/predicates.md: New file.
2752         * config/cr16/constraints.md: New file.
2753         * config/cr16/t-cr16: New file.
2754
2755 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2756
2757         PR target/52086
2758         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2759         that operands[2] is either immediate, or q_regs_operand.
2760
2761         PR tree-optimization/52073
2762         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2763         a pattern stmt for pattern uses, ignore uses outside of the loop.
2764
2765 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2766
2767         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2768         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2769         (OUT_AS1, OUT_AS2): Remove.
2770
2771 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2772
2773         PR rtl-optimization/51374
2774         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2775         to cross other volatile_refs_p insns.
2776
2777 2012-02-01  Richard Guenther  <rguenther@suse.de>
2778
2779         * doc/invoke.texi (fno-inline): Clarify documentation.
2780         (finline-small-functions): Likewise.
2781         (finline-functions): Likewise.
2782         * common.opt (finline): Adjust comment and documentation.
2783         (finline-small-functions): Clarify documentation.
2784         (finline-functions): Likewise.
2785         (finline-functions-called-once): Likewise.
2786
2787 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2788
2789         * c-typeck.c (composite_type): Keep mode for pointers.
2790
2791 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2792
2793         * function.h (regno_reg_rtx): Adjust comment.
2794         * reginfo.c (init_reg_modes_target): Only use the previous mode
2795         if it fits within one register.  Remove MIPS comment.
2796
2797 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2798
2799         PR bootstrap/52058
2800         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2801
2802 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2803
2804         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2805         to srak instruction.
2806
2807 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2808
2809         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2810
2811 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2812
2813         PR bootstrap/52041
2814         PR bootstrap/52039
2815         PR target/51974
2816         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2817
2818 2012-01-31  Richard Guenther  <rguenther@suse.de>
2819
2820         PR tree-optimization/51528
2821         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2822         assigns.
2823
2824 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2825
2826         PR bootstrap/52041
2827         PR bootstrap/52039
2828         PR target/51974
2829         * ree.c (add_removable_extension): Change def_map argument
2830         to unsigned *, store in def_map 1 + offset into *insn_list vector
2831         instead of pointers into the vector.
2832         (find_removable_extensions): Adjust caller.
2833
2834 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2835
2836         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2837         Transform all "* quoted-c-code" to { c-code }.
2838         Remove redundant test for "optimize" in combine patterns.
2839         Move (include "avr-dimode.md") to end of file.
2840
2841 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2842
2843         PR target/51835
2844         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2845         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2846
2847 2012-01-30  Richard Guenther  <rguenther@suse.de>
2848
2849         PR tree-optimization/52028
2850         * tree-loop-distribution.c (ldist_gen): Properly update
2851         virtual SSA form.
2852
2853 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2854
2855         PR debug/52027
2856         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2857         set_cur_line_info_table if not emitting debug info.
2858
2859         PR tree-optimization/52046
2860         * tree-vect-patterns.c (check_bool_pattern): Give up if
2861         a comparison could throw.
2862
2863         PR debug/52048
2864         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2865
2866 2012-01-30  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/52045
2869         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2870         SSA form if cfgcleanup did anything.
2871
2872 2012-01-30  Richard Guenther  <rguenther@suse.de>
2873
2874         PR tree-optimization/52045
2875         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2876         before computing final todo.
2877
2878 2012-01-30  Richard Guenther  <rguenther@suse.de>
2879
2880         PR tree-optimization/51528
2881         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2882         for PR51528 fix.
2883
2884 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2885
2886         * df-problems.c (df_kill_notes): Check that the use refers
2887         to the note under examination.
2888
2889 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2890
2891         PR target/51920
2892         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2893         parameter and use short-lived pseudos.
2894         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2895         (sparc_expand_vector_init): Const-ify local variables and adjust
2896         calls to above functions.
2897
2898 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2899
2900         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2901
2902 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2903
2904         * doc/invoke.texi: Make usage of "compile time" and
2905         "run time"/"runtime" consistent throughout the file.
2906
2907 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2908
2909         * config/alpha/alpha.c (alpha_option_override): Default to
2910         full IEEE compliance mode for Go language.
2911
2912 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2913
2914         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2915         (LINK_SSP_SPEC): Define.
2916
2917 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2918
2919         PR target/51871
2920         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2921         stubs.
2922
2923 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2924
2925         * doc/invoke.texi: Correct hyphenation of "floating point",
2926         "double precision", and related terminology throughout the file.
2927
2928 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2929
2930         PR target/52006
2931         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2932         arm_general_register_operand predicate for operand 2 instead of
2933         register_operand.
2934
2935 2012-01-27  Ian Lance Taylor  <iant@google.com>
2936
2937         PR go/47656
2938         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2939         * builtins.c (expand_builtin_init_trampoline): Add onstack
2940         parameter.  Change caller.
2941         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2942         * tree.c (build_common_builtin_nodes): Declare
2943         __builtin_init_heap_trampoline.
2944
2945 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2946
2947         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2948         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2949         * config/avr/avr.c: Ditto.
2950         (avr_regnames): Remove because unused.
2951         * config/avr/avr.md (*cpse.ne): New peephole.
2952         (*cpse.eq): New peephole from former cpse peepholes.
2953
2954 2012-01-27  Michael Eager  <eager@eagercon.com>
2955
2956         * config/microblaze.c (microblaze_emit_compare): Correct
2957         test after pcmp instruction.
2958
2959 2012-01-27  Richard Guenther  <rguenther@suse.de>
2960
2961         PR tree-optimization/52020
2962         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2963
2964 2012-01-27  Richard Guenther  <rguenther@suse.de>
2965
2966         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2967         function non-const/pure.
2968
2969 2012-01-27  Richard Guenther  <rguenther@suse.de>
2970
2971         PR tree-optimization/50444
2972         * tree-sra.c (build_ref_for_offset): Properly adjust the
2973         MEM_REF type for unaligned accesses.
2974
2975 2012-01-27  Richard Guenther  <rguenther@suse.de>
2976
2977         PR tree-optimization/50444
2978         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2979         (expand_assignment): Use it.  Properly handle misaligned
2980         bases when expanding stores to component references.
2981         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2982         refactor that case.
2983
2984 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2985
2986         PR middle-end/51389
2987         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2988         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2989         * tree-data-ref.c (find_data_references_in_loop): Make static.
2990         (compute_all_dependences): Change return type to bool.  Bail out
2991         for too many datarefs in a loop.  Move the hunk resetting the data
2992         dependences vector from ...
2993         (compute_data_dependences_for_loop): ... here.  Account for
2994         compute_all_dependences returning false.
2995         (compute_data_dependences_for_bb): Likewise.
2996         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2997         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2998
2999 2012-01-27  Richard Guenther  <rguenther@suse.de>
3000
3001         PR middle-end/51959
3002         * expr.c (store_field): Use the alias-set of the scratch memory
3003         for storing to it.
3004
3005 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3006
3007         PR tree-optimization/51990
3008         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3009         WITH_SIZE_EXPR.
3010         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3011
3012 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3013
3014         PR debug/52001
3015         * var-tracking.c (reverse_op): Don't add any reverse operation
3016         if V already has any constant locations.
3017
3018 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3019
3020         * doc/invoke.texi: Correct usage of "command line" (noun)
3021         vs "command-line" (adjective) throughout.
3022
3023 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3024
3025         * doc/invoke.texi (Language Independent Options): Move
3026         -Wcoverage-mismatch blurb from here....
3027         (Warning Options): ...to here.
3028
3029 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3030
3031         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3032         Set rs6000_always_hint to false for 476.
3033
3034 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3035
3036         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3037           system root.
3038         * incpath.c (add_standard_paths): Likewise.
3039
3040 2012-01-27  Richard Henderson  <rth@redhat.com>
3041
3042         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3043         * config/m68k/sync.md (atomic_test_and_set): Rename from
3044         sync_test_and_setqi and adjust the operands.
3045         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3046         and unconditionally enable.
3047
3048 2012-01-27  Richard Henderson  <rth@redhat.com>
3049
3050         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3051         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3052         (ldstub): Rename from ldstubqi.
3053         (ldstub<I24MODE>): Remove.
3054
3055 2012-01-27  Richard Henderson  <rth@redhat.com>
3056
3057         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3058         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3059         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3060         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3061         * doc/tm.texi: Rebuild.
3062
3063 2012-01-27  Richard Henderson  <rth@redhat.com>
3064
3065         * optabs.c (gen_atomic_test_and_set): Remove default.
3066         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3067
3068 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3069
3070         PR rtl-optimization/51978
3071         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3072         (combine_reaching_defs): Likewise.
3073         (struct re_info): Remove.
3074         (add_removable_extension): Remove x and data arguments,
3075         add insn, insn_list and def_map.  Use the arguments directly
3076         instead of using struct re_info.
3077         (find_removable_extensions): Don't call add_removable_extension
3078         through note_stores, instead just call it with single_set
3079         result if non-NULL.
3080         (find_and_remove_re): Pass curr_cand->expr instead of
3081         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3082
3083 2012-01-26  Michael Matz  <matz@suse.de>
3084
3085         PR tree-optimization/46590
3086         * cfgexpand.c: Revert last change (r183305).
3087         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3088         regs.
3089         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3090         checking for emptiness.
3091
3092 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3093
3094         PR middle-end/51895
3095         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3096         non-addressable non-BLKmode base correctly.
3097
3098 2012-01-26  Michael Matz  <matz@suse.de>
3099
3100         PR tree-optimization/48794
3101         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3102         regions referenced from RESX/EH_DISPATCH.
3103
3104 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3105
3106         * config/s390/s390.h: Make BRANCH_COST an option.
3107         * config/s390/s390.opt: New option -mbranch-cost.
3108
3109 2012-01-26  Richard Henderson  <rth@redhat.com>
3110
3111         Revert 2012-01-24 change:
3112         * trans-mem.c (requires_barrier): Do not instrument thread local
3113         variables and emit save/restore for them.
3114
3115 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3116
3117         PR middle-end/51986
3118         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3119         for pat == 0.
3120
3121 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3122
3123         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3124         ASM_OPERANDS.
3125
3126 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3127
3128         PR target/49868
3129         Rename __pgm to __flash.
3130         Rename __pgm1 to __flash1.
3131         Rename __pgm2 to __flash2.
3132         Rename __pgm3 to __flash3.
3133         Rename __pgm4 to __flash4.
3134         Rename __pgm5 to __flash5.
3135         Rename __pgmx to __memx.
3136         * doc/extend.texi (AVR Named Address Spaces)
3137         Rename address space names as indicated above.
3138         * config/avr/avr.c (avr_addrspace): Ditto.
3139
3140         * config/avr/avr-protos.h
3141         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3142         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3143         * config/avr/predicates.md: Ditto.
3144         * config/avr/avr.c Ditto, and
3145         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3146         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3147
3148         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3149         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3150         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3151         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3152         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3153         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3154         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3155         * config/avr/avr.c: Ditto.
3156         * config/avr/avr.md: Ditto.
3157
3158 2012-01-25  Jason Merrill  <jason@redhat.com>
3159
3160         PR c++/51992
3161         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3162
3163 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3164
3165         PR tree-optimization/51987
3166         * tree-data-ref.c (get_references_in_stmt): Handle references in
3167         non-volatile GIMPLE_ASM.
3168
3169 2012-01-25  Richard Guenther  <rguenther@suse.de>
3170
3171         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3172         bases are dereferenced.
3173
3174 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3175
3176         PR rtl-optimization/48374
3177         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3178
3179 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3180
3181         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3182         compute_data_dependences_for_loop returns false.
3183         * tree-parloops.c (loop_parallel_p): Likewise.
3184
3185 2012-01-25  Richard Guenther  <rguenther@suse.de>
3186
3187         * tree.h (get_pointer_alignment_1): Declare.
3188         * builtins.c (get_pointer_alignment_1): New function.
3189         (get_pointer_alignment): Use it.
3190
3191 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3192
3193         PR rtl-optimization/48308
3194         * combine.c (enum undo_kind): Add UNDO_LINKS.
3195         (struct undo): Add member l to other_contents and where.
3196         (do_SUBST_LINK): New.
3197         (SUBST_LINK): New.
3198         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3199         (undo_all): Handle UNDO_LINKS.
3200
3201 2012-01-25  Richard Henderson  <rth@redhat.com>
3202
3203         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3204         mem inputs.
3205
3206 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3207
3208         * optabs.c (gen_atomic_test_and_set): Use each argument.
3209
3210 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3211
3212         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3213         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3214         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3215         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3216         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3217         TARGET_PAIRED_SINGLE_FLOAT.
3218
3219 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3220
3221         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3222         (in_struct, return_val): Remove MEM documentation.
3223         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3224         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3225         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3226         and MEM_SCALAR.
3227         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3228         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3229         * expr.c (store_field): Likewise.
3230         * function.c (assign_stack_temp_for_type): Likewise.
3231         * ifcvt.c (noce_try_cmove_arith): Likewise.
3232         * reload1.c (reload): Likewise.
3233         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3234         (alpha_set_memflags): Likewise.
3235         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3236
3237 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3238
3239         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3240         parameter.
3241         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3242         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3243         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3244         varies parameter.
3245         * cselib.c (cselib_rtx_varies_p): Delete.
3246         (cselib_invalidate_mem): Update call to canon_true_dependence.
3247         * dse.c (record_store, check_mem_read_rtx): Likewise.
3248         (scan_reads_nospill): Likewise.
3249         * cse.c (check_dependence): Likewise.
3250         (cse_rtx_varies_p): Delete.
3251         * expr.c (safe_from_p): Update call to true_dependence.
3252         * ira.c (validate_equiv_mem_from_store): Likewise.
3253         (memref_referenced_p): Likewise.
3254         * postreload-gcse.c (find_mem_conflicts): Likewise.
3255         * sched-deps.c (sched_analyze_2): Likewise.
3256         * store-motion.c (load_kills_store): Likewise.
3257         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3258         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3259         (compute_transp): Update call to canon_true_dependence.
3260
3261 2012-01-25  Richard Henderson  <rth@redhat.com>
3262
3263         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3264         (maybe_emit_atomic_test_and_set): New.
3265         (expand_sync_lock_test_and_set): Use it.
3266         (expand_atomic_test_and_set): Likewise.
3267         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3268         the implementation; clarify implementation defined details.
3269         * doc/md.texi (atomic_test_and_set): Document.
3270
3271 2012-01-25  Richard Henderson  <rth@redhat.com>
3272
3273         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3274
3275 2012-01-25  Richard Henderson  <rth@redhat.com>
3276
3277         PR target/51968
3278         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3279         to effect no-op split.
3280
3281 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3282
3283         PR lto/51698
3284         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3285         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3286         (BT_FN_VOID_PTR_INT_SIZE): New.
3287         (BT_FN_UINT_UINT_VAR): Remove.
3288         (BT_FN_UINT32_UINT32_VAR): New.
3289         (BT_FN_DOUBLE_VPTR): Remove.
3290         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3291
3292         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3293         (_ITM_changeTransactionMode): Same.
3294         (_ITM_memmoveRtWt): Change return type to void.
3295         (_ITM_memcpyRtWt): Same.
3296         (_ITM_memsetW): Same.
3297         (_ITM_RaRD): Change types to double.
3298         (_ITM_RD): Same.
3299         (_ITM_RaWD): Same.
3300         (_ITM_RfWD): Same.
3301
3302         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3303
3304 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3305             Patrick Marlier  <patrick.marlier@gmail.com>
3306
3307         * trans-mem.c (requires_barrier): Do not instrument thread local
3308         variables and emit save/restore for them.
3309
3310 2012-01-24  Jason Merrill  <jason@redhat.com>
3311
3312         PR c++/51812
3313         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3314         output static aliases.
3315
3316 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR driver/47249
3319         * common.opt (-pie, -shared, pie, shared): Change from Common to
3320         Driver.
3321         * gcc.c (display_help): Display help for -pie and -shared.
3322
3323 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3324
3325         PR target/49868
3326         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3327         Remove note on size/offset limitation.
3328         (AVR Variable Attributes): Add example how to read data located
3329         with progmem.  Refer to named address spaces.
3330         * doc/invoke.texi (AVR Options): Fix typo.
3331
3332 2012-01-24  Richard Guenther  <rguenther@suse.de>
3333
3334         Forward-port to trunk
3335         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3336
3337         PR middle-end/45678
3338         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3339         op0 isn't sufficiently aligned and there is movmisalignM
3340         insn for mode, use it to load op0 into a temporary register.
3341
3342 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3343
3344         PR target/51957
3345         * target.def (const_not_ok_for_debug_p): New hook.
3346         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3347         documentation.
3348         * doc/tm.texi: Regenerated.
3349         * dwarf2out.c (const_ok_for_output_1): If
3350         targetm.const_not_ok_for_debug_p returns true, fail.
3351         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3352         function.
3353         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3354
3355 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3356
3357         PR target/51900
3358         * config/i386/predicates.md (symbolic_operand): Allow
3359         UNSPEC_PCREL as PIC expression for lea.
3360         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3361         * config/i386/i386.c (ix86_delegitimize_address): Handle
3362         UNSPEC_PCREL for none-MEM, too.
3363
3364 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3365
3366         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3367         (ipa_tm_create_version_alias): Same.
3368
3369 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3370
3371         PR libitm/51830
3372         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3373         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3374
3375 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3376             Patrick Marlier  <patrick.marlier@gmail.com>
3377             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3378
3379         PR lto/51916
3380         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3381         simple_object_start_read.
3382
3383 2012-01-23  Richard Guenther  <rguenther@suse.de>
3384
3385
3386         PR tree-optimization/51895
3387         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3388         parameter decomposition into BLKmode components.
3389
3390 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3391
3392         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3393         fake variables for restrict-qualified pointers whose pointed-to type
3394         contains a placeholder.
3395
3396 2012-01-23  Richard Guenther  <rguenther@suse.de>
3397
3398         PR tree-optimization/51949
3399         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3400
3401 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3402
3403         PR rtl-optimization/51933
3404         * ree.c (transform_ifelse): Return true right away if dstreg is
3405         already wider or equal to cand->mode.
3406         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3407         (make_defs_and_copies_lists): Remove defs_list and copies_list
3408         arguments, add state argument, just truncate state->work_list
3409         instead of always allocating and freeing the vector.  Assert that
3410         get_defs succeeds instead of returning 2.  Changed return type to bool.
3411         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3412         have ext_src_mode, see if it has been modified already with the
3413         right kind of extension and has been extended before from the
3414         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3415         just return true.  Remember the original mode in state->modified array.
3416         (combine_reaching_defs): Add state argument.  Don't allocate and
3417         free here def_list, copied_list and vec vectors, instead just
3418         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3419         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3420         Add state variable, clear vectors in it, initialize state.modified
3421         if needed.  Free all the vectors at the end and state.modified too.
3422         Don't skip a candidate if the extension expression has been modified.
3423
3424 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3425
3426         PR target/47096
3427         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3428          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3429         (extra_options) interix.opt -> i386/interix.opt"
3430         (extra_objs):Add winnt-stubs.o
3431         * configure.ac: Add interix to target_os .comm on PE check.
3432         * configure: Regenerate.
3433         * config/interix3.h: Delete and move bits to..
3434         * config/interix.h: Delete and move bits to..
3435         * config/i386/i386-interix3.h: Delete and move bits to..
3436         * config/i386/i386-interix.h: ..here.
3437         (TARGET_CPU_DEFAULT): Remove redefinition.
3438         (TARGET_ASM_CONSTRUCTOR): Undefine.
3439         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3440         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3441         (PTRDIFF_TYPE): Define.
3442         (LONG_DOUBLE_TYPE_SIZE): Define.
3443         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3444         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3445         (TARGET_SECTION_TYPE_FLAGS): Define.
3446         (ASM_DECLARE_FUNCTION_NAME): Define.
3447         (ASM_OUTPUT_EXTERNAL): Define.
3448         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3449         (ASM_OUTPUT_ALIGNED_BSS): Define.
3450         (PCC_BITFIELD_TYPE_MATTERS): Define.
3451         (USE_CONST_SECTION): Define.
3452         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3453         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3454         (SUPPORTS_ONE_ONLY): Remove.
3455         (I386_PE_STRIP_ENCODING): Define.
3456         * config/interix.opt: Delete and move bits to..
3457         * config/i386/interix.opt: ..here. New.
3458         (mpe-aligned-commons): Add.
3459         * config/i386/t-interix: Add copyright header.
3460         (winnt-stubs.o): Add rule.
3461
3462 2012-01-22  Jason Merrill  <jason@redhat.com>
3463
3464         PR c++/51832
3465         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3466         for extra name aliases.
3467
3468 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3469
3470         PR rtl-optimization/51924
3471         * ree.c (combine_set_extension): Improve debugging message.
3472         (combine_reaching_defs): Likewise.
3473         (get_defs): Rename confusingly named variable.
3474         (find_and_remove_re): Skip a candidate if the extension expression has
3475         been modified.
3476
3477 2012-01-21  Robert Millan  <rmh@gnu.org>
3478             Gerald Pfeifer  <gerald@pfeifer.com>
3479
3480         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3481         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3482
3483 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3484
3485         PR tree-optimization/51914
3486         * tree-vect-stmts.c (vectorizable_conversion): For
3487         cvt_type && modifier == WIDEN, put temporary with cvt_type
3488         at the beginning of vec_dsts and set vec_dest to temporary
3489         with vectype_out.
3490
3491 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3492
3493         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3494
3495 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3496
3497         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3498         * config/rs6000/rs6000.c: Likewise.
3499
3500 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3501
3502         PR target/51915
3503         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3504         output_move_double on a copy of operands array.
3505
3506 2012-01-20  Cary Coutant  <ccoutant@google.com>
3507             Dodji Seketeli  <dodji@redhat.com>
3508
3509         PR debug/45682
3510         * dwarf2out.c (copy_declaration_context): Return ref to parent
3511         of declaration DIE, if necessary.
3512         (remove_child_or_replace_with_skeleton): Add new parameter; update
3513         caller.  Place skeleton DIE under parent DIE of original declaration.
3514         Move call to copy_declaration_context to here ...
3515         (break_out_comdat_types): ... from here.
3516
3517 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3518
3519         PR rtl-optimization/51856
3520         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3521         flag to reloaded.
3522
3523 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3524
3525         PR target/51819
3526         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3527         hints for neon loads and stores.