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