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PR target/48496
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
2
3         PR target/48496
4         * recog.c (constrain_operands): If extra constraints are present, also
5         accept pseudo-registers with equivalent memory locations during reload.
6
7 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
8
9         Backport from the mainline
10         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
11
12         PR target/53199
13         * config/rs6000/rs6000.md (bswapdi splitters): If
14         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
15         default) is used, generate an alternate sequence that does not
16         depend on using indexed addressing.
17
18 2012-05-03  David S. Miller  <davem@davemloft.net>
19
20         PR target/52684
21         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
22         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
23         (sparc_emit_float_lib_cmp): Likewise.
24
25 2012-05-04  Martin Jambor  <mjambor@suse.cz>
26
27         Backport from mainline
28         2012-05-02  Martin Jambor  <mjambor@suse.cz>
29
30         PR lto/52605
31         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
32         of a variable when the contect is a function.
33
34 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
35
36         PR plugins/53126
37         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
38         append program name to it and pass that as first argument
39         to make_relative_prefix.  Always pass standard_libexec_prefix
40         as last argument to make_relative_prefix.  If
41         make_relative_prefix returns NULL, fall back to
42         standard_libexec_prefix.
43
44         PR debug/53174
45         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
46         removed.
47
48         PR target/53187
49         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
50         mode, return that mode.
51
52 2012-05-03  Richard Guenther  <rguenther@suse.de>
53
54         PR tree-optimization/53144
55         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
56         Rename to ...
57         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
58         with SSA name values.
59         (vn_reference_lookup_3): Adjust callers.
60
61 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
62
63         PR tree-optimization/53163
64         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
65         return value from compute_all_dependences.
66
67         PR rtl-optimization/53160
68         * ree.c (combine_reaching_defs): Handle the case where cand->insn
69         has been modified by ree pass already.
70
71 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
72
73         Backport from mainline
74         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
75
76         PR middle-end/53136
77         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
78         calls to cgraph_node_name in xstrdup.
79         (ipa_make_edge_direct_to_target): Ditto.
80         * tree-sra.c (convert_callers_for_node): Ditto.
81         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
82         * ipa-cp.c (perhaps_add_new_callers): Ditto.
83         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
84         (cgraph_materialize_all_clones): Ditto.
85         * ipa-inline.c (report_inline_failed_reason): Ditto.
86         (want_early_inline_function_p): Ditto.
87         (edge_badness): Ditto.
88         (update_edge_key): Ditto.
89         (flatten_function): Ditto.
90         (ipa_inline): Ditto.
91         (inline_always_inline_functions): Ditto.
92         (early_inline_small_functions): Ditto.
93
94 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
95
96         Backport from mainline
97         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
98
99         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
100         Introduce emul_name to select the right linker emulation for
101         powerpc64-*-freebsd*.
102         * configure: Regenerate.
103         * config.gcc: Add bits to support powerpc64-*-freebsd*.
104         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
105         * config/rs6000/freebsd64.h: New file.
106         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
107         POWERPC_FREEBSD.
108         (rs6000_savres_strategy): Likewise.
109         (rs6000_savres_routine_name): Likewise.
110         (rs6000_elf_file_end): Likewise.
111         * config/rs6000/t-freebsd64: New file.
112         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
113         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
114
115 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
116
117         Backport from mainline
118         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
119
120         PR target/53138
121         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
122
123 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
124
125         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
126         predicate to discriminate types.
127
128 2012-04-27  Richard Guenther  <rguenther@suse.de>
129
130         PR c/51527
131         * convert.c (convert_to_integer): Avoid infinite recursion for
132         target-defined built-in types.
133
134 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
135
136         PR target/53120
137         * config/cris/cris.md ("*andhi_lowpart_v32")
138         ("*andqi_lowpart_v32"): Change first input-only operand from
139         a (match_operand ...) to (match_dup 0).  Drop alternatives with
140         const_int-matching constraints for redundancy.
141         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
142         three-operand alternative.
143
144 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
145
146         Backport from mainline
147         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
148
149         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
150         (*addsi_2_zext): Ditto.
151         (*add<mode>_3): Ditto.
152         (*addsi_3_zext): Ditto.
153         (*add<mode>_5): Ditto.
154
155 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
156
157         PR c/52880
158         * c-typeck.c (set_nonincremental_init,
159         set_nonincremental_init_from_string): Pass true instead of false
160         as IMPLICIT to add_pending_init.
161
162 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
163
164         Backport from 2012-04-24 mainline r186768.
165
166         PR target/53065
167         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
168
169 2012-04-24  Richard Guenther  <rguenther@suse.de>
170
171         PR tree-optimization/53085
172         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
173         stores.
174
175 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
176
177         PR middle-end/53084
178         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
179         of MEM_REF.
180         (output_addressed_constants): Likewise.
181
182         PR middle-end/52999
183         * varasm.c (get_section): Don't ICE for section conflicts with
184         built-in section kinds.
185
186 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
187
188         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
189
190 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
191
192         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
193
194 2012-04-23  Richard Guenther  <rguenther@suse.de>
195
196         PR c/53060
197         * c-typeck.c (build_binary_op): Fix typo.
198
199 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
200
201         PR tree-optimizations/52891
202         * tree-vect-patterns.c (adjust_bool_pattern): Use
203         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
204         but with non-standard precision.
205
206 2012-04-22  Ian Lance Taylor  <iant@google.com>
207
208         * godump.c (go_output_typedef): Dump size of structs.
209
210 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
211
212         Backport from mainline:
213
214         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
215         hints for 'A' operand types.
216
217 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
218
219         Backport from 2012-04-19 mainline r186588.
220
221         PR target/53033
222         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
223         the case *(X+const).
224
225 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
226
227         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
228
229 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
230
231         PR target/53020
232         * config/i386/sync.md (atomic_<code><mode>): Rename to
233         atomic_<logic><mode>.
234
235 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
236
237         Backport from mainline
238         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
239
240         PR target/52932
241         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
242         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
243         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
244         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
245         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
246         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
247         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
248         gen_avx2_permvarv8sf.
249
250 2012-04-16  Martin Jambor  <mjambor@suse.cz>
251
252         Backported from mainline
253
254         2012-04-13  Martin Jambor  <mjambor@suse.cz>
255         PR middle-end/52939
256
257         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
258         fold_ctor_reference returns a zero constant.
259
260 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
261
262         Backported from mainline
263         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
264
265         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
266         and __ILP32__ for x32.
267
268 2012-04-13  Tom de Vries  <tom@codesourcery.com>
269
270         Backport from mainline r186418.
271
272         2012-04-13  Tom de Vries  <tom@codesourcery.com>
273
274         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
275         parameters vuse and vuse_escaped.
276         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
277         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
278         vuse1 != vuse2.
279
280 2012-04-13  Richard Guenther  <rguenther@suse.de>
281
282         PR tree-optimization/52969
283         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
284         the condition for the COND_EXPR and handle predicate negation
285         by swapping the COND_EXPR arms.
286
287 2012-04-13  Richard Guenther  <rguenther@suse.de>
288
289         PR c/52862
290         * convert.c (convert_to_pointer): Remove special-casing of
291         zero.
292
293 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
294
295         Backport from mainline
296         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
297
298         PR target/52775
299         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
300         the list of options to enable the FCFID instruction.
301         (TARGET_EXTRA_BUILTINS): Adjust comment.
302
303 2012-04-12  Richard Guenther  <rguenther@suse.de>
304
305         PR tree-optimization/52943
306         * tree-chrec.h (chrec_is_positive): Remove.
307         * tree-scalar-evolution.c (chrec_is_positive): Move ...
308         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
309         Return false for a constant zero instead of negative.
310         (analyze_siv_subscript_cst_affine): Handle zero difference
311         in the initial condition explicitely.
312
313 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
314
315         PR middle-end/52894
316         * varasm.c (process_pending_assemble_externals): Set
317         pending_assemble_externals_processed true.
318         (assemble_external): Call assemble_external_real if the pending
319         assemble externals have been processed.
320
321 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
322
323         PR target/52717
324         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
325         the DECL generated for the special GOT helper.
326
327 2012-04-06  Walter Lee  <walt@tilera.com>
328
329         Backport from mainline
330         2012-03-07  Walter Lee  <walt@tilera.com>
331
332         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
333         REG_CFA_* notes for the stack pointer.
334         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
335         EH_RETURN_STACKADJ_RTX.
336         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
337         generate REG_CFA_* notes for the stack pointer.
338         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
339         by EH_RETURN_STACKADJ_RTX.
340
341 2012-04-06  Matt Turner  <mattst88@gmail.com>
342
343         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
344
345 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
346
347         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
348         of the destination isn't also a FP_REGS register.
349
350 2012-04-03  Richard Guenther  <rguenther@suse.de>
351
352         Backport from mainline
353         2012-03-02  Richard Guenther  <rguenther@suse.de>
354
355         PR tree-optimization/52406
356         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
357         (struct indices): Add unconstrained_base member.
358         (struct dr_alias): Remove unused vops member.
359         (DR_UNCONSTRAINED_BASE): New define.
360         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
361         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
362         be an artificial access that covers the whole indexed object,
363         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
364         plain decl base-objects to their MEM_REF variant.
365         (dr_may_alias_p): When the base-object of either data reference
366         has unknown size use only points-to information.
367         (compute_affine_dependence): Make dumps easier to read and
368         more verbose.
369         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
370         DR_REF when looking for packed references.
371         (vect_supportable_dr_alignment): Likewise.
372
373 2012-04-03  Richard Guenther  <rguenther@suse.de>
374
375         Backport from mainline
376         2012-03-15  Richard Guenther  <rguenther@suse.de>
377
378         PR middle-end/52580
379         * tree-data-ref.c (subscript_dependence_tester_1): Check
380         all dimensions for non-conflicting access functions.
381
382 2012-04-03  Richard Guenther  <rguenther@suse.de>
383
384         Backport from mainline
385         2012-03-06  Richard Guenther  <rguenther@suse.de>
386
387         PR middle-end/52493
388         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
389
390         2012-03-23  Richard Guenther  <rguenther@suse.de>
391
392         PR tree-optimization/52678
393         * tree-vectorizer.h (struct _stmt_vec_info): Add
394         loop_phi_evolution_part member.
395         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
396         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
397         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
398         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
399         Use the cached evolution part and the PHI nodes value from
400         the loop preheader edge instead of re-analyzing the evolution.
401
402         2012-03-26  Richard Guenther  <rguenther@suse.de>
403
404         PR tree-optimization/52701
405         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
406         compute and set the evolution part of PHI nodes.
407
408         2012-03-30  Richard Guenther  <rguenther@suse.de>
409
410         PR tree-optimization/52754
411         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
412         propagate arbitrary addresses into really plain dereferences.
413
414 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
415
416         PR tree-optimization/52835
417         * tree-data-ref.c (build_rdg): Return NULL if
418         compute_data_dependences_for_loop failed.
419
420 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
421
422         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
423         (stmt_can_make_abnormal_goto): Use it.
424         (is_ctrl_altering_stmt): Likewise.
425
426 2012-03-31  Martin Jambor  <mjambor@suse.cz>
427
428         Backported from mainline
429         2012-03-30  Martin Jambor  <mjambor@suse.cz>
430
431         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
432         is a builtin_stack_save in a dominating BB.
433
434 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
435
436         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
437         crossing 128bit lane boundary.
438
439 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
440
441         Backported from mainline
442         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
443
444         PR target/52698
445         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
446         New prototype.
447         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
448         * config/i386/i386.c: Include reload.h.
449         (ix86_legitimize_reload_address): New function.
450
451 2012-03-28  Martin Jambor  <mjambor@suse.cz>
452
453         Backported from mainline
454         2012-03-27  Martin Jambor  <mjambor@suse.cz>
455
456         PR middle-end/52693
457         * tree-sra.c (sra_modify_assign): Do not call
458         load_assign_lhs_subreplacements when working with an unscalarizable
459         region.
460
461 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
462
463         PR middle-end/52691
464         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
465         __builtin_va_start to __builtin_next_arg if the latter is
466         builtin_decl_explicit_p rather than when it is not.
467
468         PR middle-end/52750
469         * tree-vect-generic.c (vector_element): Perform multiplication
470         for pos in bitsizetype type instead of idx type.
471
472 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
473
474         Backport from 2012-03-28 mainline r185910.
475
476         PR target/52692
477         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
478         (avr_builtin_decl): New static function.
479         (struct avr_builtin_description, avr_bdesc): Move up.
480         Add GTY marker. Add field fndecl. Remove redundant field id.
481         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
482         (avr_expand_builtin): Code cleanup because .id is removed.
483
484 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
485
486         PR middle-end/51893
487         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
488         targets.
489
490 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
491
492         Backport from 2012-03-28 mainline r185907.
493
494         PR target/52737
495         * config.gcc (tm_file): Remove avr/multilib.h.
496
497         * doc/invoke.texi (AVR Options): Adjust
498         documentation of -mtiny-stack.
499
500         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
501         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
502         * config/avr/t-avr: Remove generation of multilib.h.
503         * config/avr/t-multilib: Regenerate.
504         * config/avr/multilib.h: Remove.
505         * config/avr/avr.opt (-msp8): New option.
506         (avr_sp8): New variable.
507         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
508         * config/avr/avr.h (AVR_HAVE_SPH): New define.
509         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
510         (avr_device_to_sp8): New prototype.
511         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
512         (DRIVER_SELF_SPECS): New define.
513         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
514         __AVR_SP8__, __AVR_HAVE_SPH__.
515         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
516         AVR_HAVE_8BIT_SP to decide if SP_H is present.
517         (avr_file_start): Ditto.
518
519 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
520
521         PR target/52736
522         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
523         instead of 8 in adjust_address.
524
525 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
526
527         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
528         of a unit before computing the offset in units.
529
530 2012-03-27  Richard Guenther  <rguenther@suse.de>
531
532         PR middle-end/52720
533         * fold-const.c (try_move_mult_to_index): Handle &x.array more
534         explicitely.
535
536 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
537
538         PR target/52610
539         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
540
541 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
542
543         PR middle-end/52640
544         * varasm.c: Include pointer-set.h.
545         (pending_assemble_externals_set): New pointer set.
546         (process_pending_assemble_externals): Destroy the pointer set.
547         (assemble_external): See if decl is in pending_assemble_externals_set,
548         and add it to pending_assemble_externals if necessary.
549         (init_varasm_once): Allocate pending_assemble_externals_set.
550
551 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
552
553         Backported from mainline
554         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
555
556         PR target/50310
557         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
558         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
559         (vector_ltgt<mode>): Likewise.
560         (vector_ordered<mode>): Likewise.
561         (vector_unordered<mode>): Likewise.
562         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
563
564 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
565
566         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
567         Make static.
568
569 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
570
571         Backported from mainline
572         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
573
574         PR target/48596
575         PR target/48806
576         * config/sh/sh.c (sh_register_move_cost): Increase cost between
577         GENERAL_REGS and FP_REGS for SImode.
578
579 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
580
581         PR middle-end/52547
582         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
583         on any new_local_var_chain vars declared during recursing on
584         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
585
586 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
587
588         Backport from 2012-03-22 mainline r185692.
589
590         PR target/52496
591         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
592         (unspecv): Add UNSPECV_MEMORY_BARRIER.
593         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
594         (delay_cycles_1, delay_cycles_2): Ditto.
595         (delay_cycles_3, delay_cycles_4): Ditto.
596         (nopv, *nopv): Ditto.
597         (sleep, *sleep): Ditto.
598         (wdr, *wdr): Ditto.
599
600         Backport from 2012-03-21 mainline r185605.
601
602         PR rtl-optimization/52543
603         PR target/52461
604         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
605         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
606         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
607         (avr_load_libgcc_p): Restrict to __flash loads.
608         (avr_out_lpm): Only handle 1-byte loads from __flash.
609         (avr_load_lpm): New function.
610         (avr_find_unused_d_reg): Remove.
611         (avr_out_lpm_no_lpmx): Remove.
612         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
613         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
614         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
615         (load_<mode>, load_<mode>_clobber): New insns.
616         (mov<mode>): For multi-byte move from non-generic
617         16-bit address spaces: Expand to load_<mode> resp.
618         load_<mode>_clobber.
619         (load<mode>_libgcc): Remove expander.
620         (split-lpmx): Remove split.
621
622         Backport from 2012-03-13 mainline r185329.
623
624         PR target/52488
625         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
626         offset (size) to a value the insns can deal with.
627         (expand_epilogue): Ditto.
628
629         Backport from 2012-03-12 mainline r185256.
630
631         PR target/52499
632         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
633         type from reg_class_t to enum reg_class.
634         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
635
636         Backport from 2012-03-12 mainline r185253.
637
638         PR target/52148
639         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
640         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
641         r184615 from 2012-02-28.
642
643         Backport from 2012-03-08 mainline r185105.
644
645         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
646         for constants in [-63,63].
647
648         Backport from 2012-03-08 mainline r185100.
649
650         PR target/52496
651         * config/avr/avr.c (avr_mem_clobber): New static function.
652         (avr_expand_delay_cycles): Add memory clobber operand to
653         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
654         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
655         (enable_interrupt, disable_interrupt): New expander.
656         (nopv, sleep, wdr): New expanders.
657         (delay_cycles_1): Add memory clobber.
658         (delay_cycles_2): Add memory clobber.
659         (delay_cycles_3): Add memory clobber.
660         (delay_cycles_4): Add memory clobber.
661         (cli_sei): New insn from former "enable_interrupt",
662         "disable_interrupt" with memory clobber.
663         (*wdt): New insn from former "wdt" with memory clobber.
664         (*nopv): Similar, but for "nopv".
665         (*sleep): Similar, but for "sleep".
666
667         Backport from 2012-03-07 mainline r185043.
668
669         PR target/52484
670         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
671
672         Backport from 2012-03-07 mainline r185032.
673
674         PR target/52506
675         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
676         to: RAMPZ, RAMPY, RAMPX, RAMPD.
677         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
678
679         Backport from 2012-03-07 mainline r185031.
680
681         PR target/52505
682         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
683         from RAM.
684         * config/avr/avr.md (xload_8): Adjust insn length.
685
686         Backport from 2012-03-07 mainline r185030.
687
688         PR target/52461
689         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
690         if RAMPZ affects reading from RAM.
691
692         Backport from 2012-03-05 mainline r184919.
693
694         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
695
696 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
697
698         Backport from mainline r185259.
699
700         PR other/52545
701         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
702         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
703
704 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
705
706         Backported from mainline
707         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
708
709         PR c/52577
710         * c-parser.c (c_parser_postfix_expression)
711         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
712
713         * config/i386/smmintrin.h: Avoid /* within a comment.
714         * config/i386/nmmintrin.h: Likewise.
715
716 2012-03-22  Richard Guenther  <rguenther@suse.de>
717
718         * BASE-VER: Set to 4.7.1.
719         * DEV-PHASE: Set to prerelease.
720
721 2012-03-22  Release Manager
722
723         * GCC 4.7.0 released.
724
725 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
726
727         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
728
729 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
730             Andrew Pinski  <apinski@cavium.com>
731
732         PR middle-end/52592
733         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
734         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
735         calls instead of __builtin_ir{int,ound}*.
736
737 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
738
739         PR c++/52582
740         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
741         if c_node is NULL.
742
743 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
744
745         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
746         Refer to GCC 4.7 version of c99status.html.
747
748 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
749
750         Backport from mainline
751         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
752
753         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
754         redefine to be NULL if the current bit-size is different from the
755         configured bit-size.
756
757         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
758         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
759         set the default tuning.  Add asserts to make sure the cpu and tune
760         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
761         test whether the index is set, instead of > 0.
762         (rs6000_file_start): Do not reset the default cpu if the current
763         bit-size is different from the configured bit-size.
764
765 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
766
767         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
768         binutils reference.
769         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
770         Update binutils references.
771         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
772         Update binutils reference.
773         Update Sun as/GNU ld caveat.
774         Document binutils largefile requirement for LTO plugin.
775         Remove reference to alternate libpthread.
776
777 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
778
779         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
780         reference.
781         (Specific, mips-sgi-irix6): Likewise.
782
783 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
784
785         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
786         * configure: Regenerate.
787
788 2012-03-07  Richard Henderson  <rth@redhat.com>
789
790         * config/m68k/m68k.h (ISA_HAS_TAS): New.
791         * config/m68k/sync.md (atomic_test_and_set): Use it.
792         (atomic_test_and_set_1): Likewise.
793
794 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
795
796         PR target/51417
797         * Makefile.in: Let install-gcc-ar depend on installdirs,
798         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
799         Don't double canonicalize if cross-compiling.
800
801 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
802
803         * trans-mem.c: New typedef for tm_region_p.
804         Define vector types for tm_region_p.
805         (tm_region_init): Replace region_worklist to a vector called
806         bb_regions.
807
808 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
809
810         PR middle-end/52463
811         * trans-mem.c (tm_region_init): Use last_basic_block.
812
813 2012-03-05  Richard Henderson  <rth@redhat.com>
814
815         PR tree-opt/52242
816         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
817         * omp-low.c (expand_omp_atomic): Assume anything aligned to
818         BIGGEST_ALIGNMENT is aligned.
819
820 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
821
822         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
823
824 2012-03-05  Richard Henderson  <rth@redhat.com>
825
826         PR target/52481
827         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
828         instead of calling negqi2 directly.
829
830 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
831
832         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
833         (INTMAX_TYPE): Use it.
834         (UINTMAX_TYPE): Likewise.
835         (SUBTARGET_OVERRIDE_OPTIONS): Define.
836         (irix6_c_common_override_options): Declare.
837         (C_COMMON_OVERRIDE_OPTIONS): Define.
838         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
839         * config/mips/irix6-c.c: New file.
840         * config/mips/t-irix6 (irix6-c.o): New target.
841         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
842         cxx_target_objs.
843
844 2012-03-02  Richard Henderson  <rth@redhat.com>
845
846         * optabs.c (expand_atomic_test_and_set): Honor
847         atomic_test_and_set_trueval even when atomic_test_and_set
848         optab is not in use.
849
850 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
851
852         Backport from mainline
853         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
854
855         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
856
857 2012-03-02  Richard Guenther  <rguenther@suse.de>
858
859         * DEV-PHASE: Set to prerelease.
860
861 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
862
863         * config.gcc (obsolete): Add all ARM targets using the FPA.
864         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
865         * doc/install.texi: Avoid references to obsolete ARM ports.
866
867 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
868
869         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
870
871 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
872             Joern Rennecke  <joern.rennecke@embecosm.com>
873
874         * doc/extend.texi: Expand and update information on interrupt
875         attribute for Epiphany.
876
877 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
878
879         * config/sh/sh-protos.h: Update copyright notice dates.
880         * config/sh/sh.h: Likewise.
881         * config/sh/sh.md: Likewise.
882         * config/sh/constraints.md: Likewise.
883         * config/sh/predicates.md: Likewise.
884
885 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
886
887         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
888         * config/sh/sh.c (tertiary_reload_operand): Likewise.
889
890 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
891
892         * config/sh/constraints.md: Fix comment typo.
893
894 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
895
896         PR target/52408
897         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
898         unsigned HOST_WIDE_INT.
899         (zvdep_imm64): Likewise.
900         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
901         (vdepi_and): Likewise.
902         Likewise for unamed 64-bit patterns.
903         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
904
905 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
906
907         PR debug/52001
908         PR rtl-optimization/52417
909         * cselib.c (cselib_any_perm_equivs): New variable.
910         (cselib_reset_table): Check that it's not set when not
911         preserving constants.
912         (cselib_add_permanent_equiv): Set it.
913         (cselib_have_permanent_equivalences): New.
914         (cselib_init, cselib_finish): Reset it.
915         * cselib.h (cselib_have_permanent_equivalences): Declare.
916         * alias.c (get_addr): Restore earlier behavior when there
917         aren't permanent equivalences.
918
919 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
920
921         * config/mn10300/mn10300-modes.def: Fix copyright notice.
922         * config/v850/v850-modes.def: Fix copyright notice.
923
924 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
925
926         * doc/extend.texi (AVR Built-in Functions): Document
927         __builtin_avr_flash_segment.
928
929         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
930         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
931         (*split.flash_segment): New insn-and-split.
932         * config/avr/avr.c (avr_init_builtins): Add local variables:
933         const_memx_void_node, const_memx_ptr_type_node,
934         char_ftype_const_memx_ptr.
935
936 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
937
938         PR tree-optimization/52445
939         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
940         add ssa_name_ver, offset and size fields and change store field
941         to bool.
942         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
943         (add_or_mark_expr): Likewise.  Only consider previous stores
944         with the same size and offset.
945         (nt_init_block): Only look at gimple_assign_single_p stmts,
946         doesn't look at rhs2.
947
948 2012-03-01  Richard Guenther  <rguenther@suse.de>
949
950         PR middle-end/52443
951         * tree-cfg.c (verify_gimple_assign_unary): Allow any
952         conversions from integral types to pointer types.
953
954 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
955
956         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
957         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
958         unintentionally removed in r184616.
959
960 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
961
962         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
963         3DNow from bdver1.
964
965 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
966             Uros Bizjak  <ubizjak@gmail.com>
967
968         PR target/52437
969         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
970         alternatives, add "e" constraint to the new last alternative
971         and ! to last 3 alternatives.
972
973 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
974
975         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
976         DW_AT_artificial attributes at the end of the processing.
977         (gen_array_type_die): Likewise.
978         (gen_enumeration_type_die): Likewise.
979         (gen_struct_or_union_type_die): Likewise.
980         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
981         the parent type.
982
983 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
984
985         PR middle-end/52419
986         * expr.c (expand_assignment): If doing misaligned store that doesn't
987         cover all mode bits, perform a RMW cycle.
988
989         PR tree-optimization/52429
990         * tree-parloops.c (separate_decls_in_region_debug): Return early
991         if var is LABEL_DECL.
992
993 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
994
995         PR tree-optimization/52424
996         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
997         calling dom_thread_across_edge.
998
999 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1000
1001         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1002
1003 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1004
1005         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1006         * config/avr/avr.c (avr_output_bld): Remove unused function.
1007         (avr_out_sbxx_branch): Use "%T" to print bit position.
1008
1009 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1010
1011         * config/avr/avr.md: Untabify.
1012
1013 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1014
1015         * config/avr/avr.md (eqne): New code iterator.
1016         (*dec-and-branchsi): Use it in text peephole's condition.
1017         (*dec-and-branchhi): Ditto.
1018         (*dec-and-branchqi): Ditto.
1019
1020 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1021
1022         PR target/49939
1023         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1024         the device does not have the skip-bug.
1025
1026 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1027
1028         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1029         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1030         -mpretend-cmove): New.
1031
1032 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1033
1034         PR bootstrap/52397
1035         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1036         doesn't count DEBUG_INSN refs.
1037         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1038         for DEBUG_INSN refs.
1039
1040 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1041
1042         Partially revert:
1043
1044         2012-02-20  Richard Guenther  <rguenther@suse.de>
1045         PR tree-optimization/52298
1046         * tree-vect-stmts.c (vectorizable_load): Properly use
1047         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1048         outer loops.
1049
1050 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1051
1052         PR middle-end/51752
1053         * gimple.h (gimple_in_transaction): New.
1054         (gimple_set_in_transaction): New.
1055         (struct gimple_statement_base): Add in_transaction field.
1056         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1057         transaction loads.
1058         (tree_ssa_lim_initialize): Compute transaction bits.
1059         * tree.h (compute_transaction_bits): Protoize.
1060         * trans-mem.c (tm_region_init): Use the heap to store BB
1061         auxilliary data.
1062         (compute_transaction_bits): New.
1063
1064 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1065
1066         * gcc.c (display_help): Document --help=common and sort entries
1067         alphabetically.
1068
1069 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1070
1071         * doc/install.texi: Document check-$LANG specific shortcuts
1072
1073 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1074
1075         PR target/51534
1076         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1077         and vcgtu.
1078         * config/arm/arm_neon.h: Regenerate.
1079         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1080         (neon_vcgeu): New insn.
1081         (neon_vcgtu): Likewise.
1082         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1083         (ops): Unsigned comparison intrinsics call a different
1084         builtin.
1085
1086 2012-02-28  Richard Guenther  <rguenther@suse.de>
1087
1088         PR target/52407
1089         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1090         ordering for the VEC_CONCAT for two element vectors for
1091         V2SFmode, V2SImode and V2DImode.
1092
1093 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1094
1095         PR target/49448
1096         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1097         detecting big-endian triplets.
1098
1099 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1100
1101         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1102         mode if there is no type information available.
1103
1104 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1105
1106         PR tree-optimization/53207
1107         * doc/invoke.texi: Document as experimental and relying on graphite.
1108
1109 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1110
1111         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1112         of initializer to changes from r184614.
1113
1114 2012-02-28  Richard Guenther  <rguenther@suse.de>
1115
1116         PR tree-optimization/52395
1117         * tree-sra.c (build_ref_for_offset): Also look at the base
1118         TYPE_ALIGN when figuring out the alignment of the replacement.
1119
1120 2012-02-28  Richard Guenther  <rguenther@suse.de>
1121
1122         PR tree-optimization/52402
1123         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1124         mis-aligned types when creating the accesses at the call site.
1125
1126 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1127
1128         * config/avr/builtins.def: New file.
1129         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1130         * config/avr/avr.c (enum avr_builtin_id): Use it.
1131         (avr_init_builtins): Use it. And use avr_bdesc.
1132         (bdesc_1arg): Remove.
1133         (bdesc_2arg): Remove.
1134         (bdesc_3arg): Remove.
1135         (struct avr_builtin_description): Add field n_args.
1136         (avr_bdesc): New static variable using builtins.def.
1137         (avr_expand_builtin): Use it.
1138         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1139         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1140         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1141
1142 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1143
1144         PR target/52148
1145         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1146         match only one single hard register with respective hard reg rtx.
1147         (movmemx_<mode>): Ditto.
1148         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1149         insn anatomy of movmem[x]_<mode>.
1150         (avr_out_movmem): Same for printing assembler and operand usage.
1151
1152 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1153
1154         PR target/49868
1155         PR target/52261
1156         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1157         address spaces located outside of device flash.
1158
1159         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1160         (mcu_type_s): Add field n_flash.
1161         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1162         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1163         (AVR_MCU): Add N_FLASH argument.
1164         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1165         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1166         macro __FLASH<n> if that address space makes sense for the device.
1167         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1168         outside of target flash.
1169         (avr_asm_named_section): Ditto.
1170         (avr_asm_select_section): Ditto.
1171         (avr_addr_space_convert): Ditto.
1172         (avr_emit_movmemhi): Ditto.
1173         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1174         address space is outside of device flash.
1175         (avr_insert_attributes): Ditto.
1176         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1177         avr_current_arch->n_segments.
1178
1179 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         PR target/52352
1182         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1183         TARGET_LP64.
1184         (*movabs<mode>_2): Likewise.
1185
1186 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1187
1188         PR target/52375
1189         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1190         s_register_operand in the test instead of REG_P.  Don't call
1191         gen_reg_rtx if it won't be used.
1192
1193         PR tree-optimization/52376
1194         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1195
1196 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1197
1198         * ifcvt.c (noce_get_condition): Check condition variable is not
1199         small_register_classes_for_mode_p before accepting.
1200
1201 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1202
1203         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1204
1205 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1206
1207         Revert:
1208         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1209         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1210         tuning parameters.
1211         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1212
1213 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1214
1215         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1216
1217 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1218
1219         * config/sh/predicates.md: Remove blank lines.
1220         * config/sh/sh.c: Fix typos in comments.
1221         * config/sh/constraints.md: Likewise.
1222         * config/sh/sh.md: Remove blank lines.
1223         Fix typos in comments.  Use ;; as comment characters.
1224
1225 2012-02-26  Walter Lee  <walt@tilera.com>
1226
1227         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1228         (replace_mov_pcrel_step2): Ditto.
1229
1230 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1231
1232         PR debug/52001
1233         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1234         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1235         and locs that reference values newer than the non-canonical value
1236         at hand.  Return the canonical value as a worst case.
1237         (memrefs_conflict_p): Walk canonical value's locs.
1238
1239         PR debug/52001
1240         * cselib.c (preserve_only_constants): Rename to...
1241         (preserve_constants_and_equivs): ... this.  Split out...
1242         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1243         of other preserved expressions too.
1244         (cselib_reset_table): Adjust.
1245         * var-tracking.c (reverse_op): Use canonical value to build
1246         reverse operation.
1247
1248 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1249
1250         * config/i386/i386.c (ix86_delegitimize_address): Handle
1251         UNSPEC_PCREL plus displacement.
1252
1253 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1254
1255         PR target/52261
1256         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1257         to test for unusedness in st X addressing.
1258
1259 2012-02-24  Richard Guenther  <rguenther@suse.de>
1260
1261         PR middle-end/52361
1262         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1263         (is_gimple_reg_type): Move inline ...
1264         * gimple.h (is_gimple_reg_type): ... here.
1265
1266 2012-02-24  Richard Guenther  <rguenther@suse.de>
1267
1268         PR middle-end/52361
1269         * passes.c (execute_function_todo): When verifying SSA form
1270         verify gimple form first.
1271         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1272
1273 2012-02-24  Richard Guenther  <rguenther@suse.de>
1274
1275         PR middle-end/52355
1276         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1277         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1278
1279 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1280
1281         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1282
1283 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1284
1285         * tree-phinodes.c (make_phi_node): Mark static.
1286         * tree-flow.h (make_phi_node): Remove extern decl.
1287         * doc/gimple.texi (make_phi_node): Remove documentation.
1288
1289 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1290
1291         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1292         * tree-ssa-sccvn.c (print_scc): Ditto.
1293
1294 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1295
1296         * doc/passes.texi (Full redundancy elimination): Fix typo.
1297
1298 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1299
1300         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1301
1302 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1303
1304         PR bootstrap/52287
1305         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1306
1307 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1308
1309         PR c/52290
1310         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1311
1312 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1313
1314         * config/avr/avr.md (code_stdname): Add ior, xor.
1315         (xior): New code iterator.
1316         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1317         (*<code_stdname><mode>qi.byte1-3): Ditto.
1318
1319 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1320
1321         PR tree-optimization/52019
1322         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1323         CLOBBER stmts.
1324
1325 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1326
1327         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1328         HAVE_INITFINI_ARRAY to work around namespace pollution in
1329         certain versions of newlib system headers.
1330         * config.in: Regenerate.
1331         * configure: Regenerate.
1332         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1333         instead of HAVE_INITFINI_ARRAY.
1334
1335 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1336
1337         PR target/52330
1338         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1339         is not offsettable memory reference.
1340
1341 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1342
1343         PR target/18145
1344         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1345         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1346
1347 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1348
1349         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1350         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1351
1352 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1353
1354         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1355         library on Solaris 8 even without TLS support.
1356         * configure: Regenerate.
1357
1358 2012-02-22  Richard Guenther  <rguenther@suse.de>
1359
1360         PR middle-end/52329
1361         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1362         for GIMPLE_DEBUG stmts.
1363
1364 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1365
1366         PR middle-end/51782
1367         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1368         according to the base object.
1369
1370 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1371
1372         PR rtl-optimization/50063
1373         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1374         and 2 (8-bit SP) in operand 2.
1375         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1376         setup to use movhi_sp_r instead of vanilla move to write SP.
1377         Adjust REG_CFA notes to superseed unspec.
1378         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1379         of vanilla move.
1380         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1381         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1382         irq_state 1 (IRQ known to be on) here.
1383
1384 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1385
1386         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1387         WORDS_BIG_ENDIAN.
1388         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1389         assign_hard_reg): Likewise.
1390
1391 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1392
1393         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1394
1395 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1396
1397         * config/avr/avr.md
1398         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1399         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1400
1401 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1402
1403         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1404         prototype from here to...
1405         * config/avr/avr.h: ...here.
1406
1407 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1408
1409         PR target/52294
1410         * thumb2.md (thumb2_shiftsi3_short): Split register and
1411         immediate shifts.  For register shifts tie operands 0 and 1.
1412         (peephole2 for above): Check that register-controlled shifts
1413         have suitably tied operands.
1414
1415 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1416
1417         PR target/52137
1418         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1419         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1420         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1421         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1422         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1423         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1424         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1425         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1426         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1427         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1428         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1429         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1430         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1431         bdver1_ssevector_avx256_unaligned_load,
1432         bdver1_ssevector_sse128_unaligned_load,
1433         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1434         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1435         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1436         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1437         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1438         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1439         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1440         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1441         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1442         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1443         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1444         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1445         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1446         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1447         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1448         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1449         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1450         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1451         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1452         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1453         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1454         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1455         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1456         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1457         bdver1_ssediv_double_load, bdver1_ssediv_double,
1458         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1459         Add "bdver2" attribute.
1460
1461 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1462
1463         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1464         default if possible and not specified otherwise.
1465
1466 2012-02-21  Richard Guenther  <rguenther@suse.de>
1467
1468         PR middle-end/52314
1469         * gimplify.c (create_tmp_from_val): Use the main variant type
1470         for the type of the temporary we create.
1471
1472 2012-02-21  Richard Guenther  <rguenther@suse.de>
1473
1474         PR tree-optimization/52324
1475         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1476         do not gimplify a MEM_REF address operand if it is already
1477         in suitable form.
1478
1479 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1480
1481         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1482         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1483
1484 2012-02-21  Richard Guenther  <rguenther@suse.de>
1485
1486         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1487         nested_in_vect_loop.
1488
1489 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1490
1491         PR tree-optimization/52318
1492         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1493         vdef also to non-pure/const call stmts in the sequence.
1494
1495 2012-02-20  David S. Miller  <davem@davemloft.net>
1496
1497         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1498         don't use the "rd %pc" instruction on v9 for PIC register loads.
1499
1500 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1501
1502         PR middle-end/52141
1503         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1504         in a transaction safe function.
1505
1506 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1507
1508         PR target/52238
1509         * stor-layout.c (place_field): Handle desired_align for
1510         ms-bitfields, too.
1511
1512 2012-02-20  Richard Guenther  <rguenther@suse.de>
1513
1514         PR tree-optimization/52298
1515         * tree-vect-stmts.c (vectorizable_store): Properly use
1516         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1517         outer loops.
1518         (vectorizable_load): Likewise.
1519         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1520         Access DR_STEP after ensuring it is not NULL.
1521
1522 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1523
1524         PR tree-optimization/52286
1525         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1526         optimization use double_int_to_tree instead of build_int_cst_wide,
1527         rewrite to use double_int vars.
1528
1529 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1530
1531         PR target/50166
1532         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1533         Define _start.
1534         Remove -e 0 from $gcc_cv_ld invocation.
1535         Only use __GLIBC_PREREQ if defined.
1536         Enable on Solaris since Solaris 8 patch.
1537         (gcc_SUN_LD_VERSION): New macro.
1538         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1539         gcc_SUN_LD_VERSION for version number format.
1540         * configure: Regenerate.
1541         * varasm.c (get_elf_initfini_array_priority_section): Set
1542         SECTION_NOTYPE for non-default priority.
1543         Use get_section instead of get_unnamed_section to emit
1544         .init_array/.fini_array with default priority.
1545
1546 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1547
1548         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1549         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1550         (mips_start_unique_function, mips_output_mips16_rdhwr)
1551         (mips_code_end): New functions.
1552         (TARGET_ASM_CODE_END): Define.
1553
1554 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1555
1556         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1557         to stubs with non-sibling calls.
1558
1559 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1560
1561         * doc/invoke.texi (-fira-* options): Copy-edit.
1562         (ira-* parameters): Copy-edit.
1563
1564 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1565
1566         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1567         GCC coding conventions.
1568
1569 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1570
1571         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1572         when used as adjectives.
1573
1574 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1575
1576         * doc/invoke.texi: Clean up "that"/"which" confusion.
1577
1578 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1579
1580         * system.h: Poison SMALL_REGISTER_CLASSES
1581         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1582         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1583
1584 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1585
1586         PR tree-optimization/52285
1587         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1588         when deciding if a call is a tail call or tail recursion.
1589
1590 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1591
1592         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1593         interger-constant displacement for UNSPEC_PCREL.
1594
1595 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR rtl-optimization/52208
1598         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1599         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1600
1601         PR tree-optimization/52255
1602         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1603         loop->header has virtual PHI, but exit_e->dest doesn't, add
1604         virtual PHI to exit_e->dest and adjust all uses after the loop.
1605
1606         PR debug/52260
1607         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1608         children with clone_tree_hash, not after it.
1609
1610 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1611
1612         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1613         extended identifiers.
1614
1615 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1616
1617         PR middle-end/51929
1618         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1619         a same_body_alias, also test whether e->callee isn't a former
1620         or current clone of the decl this is a same body alias of.
1621
1622         PR translation/52264
1623         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1624
1625 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1626
1627         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1628
1629 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1630
1631         PR target/52199
1632         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1633         force_reg instead of copy_to_reg for better optimization.  Force
1634         non-register or memory operands into a register.
1635
1636 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1637
1638         * extend.texi: Reserve upper bits of memory model for future use.
1639
1640 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1641             Anatoly Sokolov <aesok@post.ru>
1642             Eric Weddington <eric.weddington@atmel.com>
1643
1644         PR target/52261
1645         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1646         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1647         Rewrite initializers for .macro.
1648         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1649         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1650         atxmega32d4, atxmega32x1.
1651         avrxmega4: atxmega64a3, atxmega64d3.
1652         avrxmega5: atxmega64a1, atxmega64a1u.
1653         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1654         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1655         avrxmega7: atxmega128a1, atxmega128a1u.
1656         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1657         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1658         (struct base_arch_s): Rename reserved to xmega_p.
1659         Rename reserved2 to have_rampd.
1660         (AVR_XMEGA): New define.
1661         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1662         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1663         * config/avr/predicates.md (io_address_operand): Take into
1664         account SFR offset.
1665         (low_io_address_operand): Ditto.
1666         (high_io_address_operand): Ditto.
1667         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1668         (enabled, movhi_sp_r): Use them.
1669         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1670         cpp_define_formatted to built-in define __AVR_ARCH__.
1671         (__AVR_XMEGA__): New built-in define.
1672         (__AVR_HAVE_RAMPD__): New built-in define.
1673         (__AVR_HAVE_RAMPX__): New built-in define.
1674         (__AVR_HAVE_RAMPY__): New built-in define.
1675         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1676
1677         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1678         (avr_option_override): Initialize them.
1679         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1680         (avr_init_expanders): Initialize them. No more block several calls.
1681         (emit_push_sfr): New static function.
1682         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1683         Handle AVR_XMEGA.
1684         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1685         (avr_print_operand): Print addreeses as symbols for
1686         RAMPX, RAMPY, RAMPD, CCP.
1687         (output_movhi): Handle AVR_XMEGA when writing to SP.
1688         (avr_out_movhi_mr_r_xmega): New static function.
1689         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1690         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1691         __RAMPD__,  __CCP__ as needed.
1692
1693         * config/avr/multilib.h: Regenerate.
1694         * config/avr/t-multilib: Regenerate.
1695         * config/avr/avr-tables.opt: Regenerate.
1696
1697 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1698
1699         PR tree-optimization/50561
1700         * graphite-flattening.c (lst_project_loop): Do not
1701         remove old scattering dimensions after flattening.
1702         (lst_do_flatten): Likewise.
1703
1704 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1705
1706         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1707         __builtin_avr_map8, __builtin_avr_map16.
1708         Document __builtin_avr_insert_bits.
1709
1710         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1711         (insert_bits): New insn.
1712         (adjust_len.map_bits): Rename to insert_bits.
1713         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1714         * avr-protos.h (avr_out_map_bits): Remove.
1715         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1716         * config/avr/constraints.md (Cxf,C0f): New.
1717         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1718         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1719         New built-in define __BUILTIN_AVR_INSERT_BITS.
1720         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1721         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1722         (avr_move_bits): Rewrite.
1723         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1724         functions.
1725         (avr_map_op_t): New typedef.
1726         (avr_map_op): New static variable.
1727         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1728         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1729         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1730         (bdesc_3arg, avr_expand_triop_builtin): New.
1731         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1732         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1733         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1734         (avr_map_equal_p, avr_map_sig_p): Remove.
1735         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1736         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1737         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1738         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1739         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1740         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1741
1742 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1743
1744         * config/c6x/c6x.md (reserve_cycles): New attribute.
1745         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1746         don't reserve functional units after the branch occurs.
1747
1748 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1749
1750         PR middle-end/52142
1751         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1752         functions into non-tm_pure functions.
1753
1754 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1755
1756         PR lto/52178
1757         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1758         (iterative_hash_canonical_type): Likewise.
1759         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1760         the dead edges.
1761
1762 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1763
1764         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1765         sched-group insn, it either remains alone or the entire list is pruned.
1766
1767 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1768
1769         * doc/install.texi (Prerequisites): Fix grammar.
1770         (Configuration): Likewise.
1771
1772 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1773
1774         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1775         MPC as part of GCC before describing configuring with --with-gmp etc.
1776         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1777         sources are present.
1778
1779 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR debug/51950
1782         * dwarf2out.c (clone_tree_hash): New function.
1783         (copy_decls_walk): Use it instead of clone_tree.
1784
1785 2012-02-14  Richard Guenther  <rguenther@suse.de>
1786
1787         PR tree-optimization/52244
1788         PR tree-optimization/51528
1789         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1790         replacements for integral types.
1791
1792 2012-02-14  Walter Lee  <walt@tilera.com>
1793
1794         * config.gcc: Handle tilegx and tilepro.
1795         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1796         tilegx and tilepro.
1797         Add HAVE_AS_TLS check for tilegx and tilepro.
1798         * configure: Regenerate.
1799         * doc/contrib.texi: Add Mat Hostetter and self.
1800         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1801         Document instruction intrinsics and network accessing intrinsics.
1802         (TILEPro Built-in Functions): New node.  Document instruction
1803         intrinsics and network accessing intrinsics.
1804         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1805         (Specific, tilepro-*-linux*): Likewise.
1806         * doc/invoke.texi (TILE-Gx Options): New section.
1807         (TILEPro Options): New section.
1808         * doc/md.texi (TILE-Gx): New section.
1809         (TILEPro): New section.
1810         * common/config/tilegx/tilegx-common.c: New file.
1811         * common/config/tilepro/tilepro-common.c: New file.
1812         * config/tilegx/constraints.md: New file.
1813         * config/tilegx/linux.h: New file.
1814         * config/tilegx/mul-tables.c: New file.
1815         * config/tilegx/predicates.md: New file.
1816         * config/tilegx/sync.md: New file.
1817         * config/tilegx/t-tilegx: New file.
1818         * config/tilegx/tilegx-builtins.h: New file.
1819         * config/tilegx/tilegx-c.c: New file.
1820         * config/tilegx/tilegx-generic.md: New file.
1821         * config/tilegx/tilegx-modes.def: New file.
1822         * config/tilegx/tilegx-multiply.h: New file.
1823         * config/tilegx/tilegx-protos.h: New file.
1824         * config/tilegx/tilegx.c: New file.
1825         * config/tilegx/tilegx.h: New file.
1826         * config/tilegx/tilegx.md: New file.
1827         * config/tilegx/tilegx.opt: New file.
1828         * config/tilepro/constraints.md: New file.
1829         * config/tilepro/gen-mul-tables.cc: New file.
1830         * config/tilepro/linux.h: New file.
1831         * config/tilepro/mul-tables.c: New file.
1832         * config/tilepro/predicates.md: New file.
1833         * config/tilepro/t-tilepro: New file.
1834         * config/tilepro/tilepro-builtins.h: New file.
1835         * config/tilepro/tilepro-c.c: New file.
1836         * config/tilepro/tilepro-generic.md: New file.
1837         * config/tilepro/tilepro-modes.def: New file.
1838         * config/tilepro/tilepro-multiply.h: New file.
1839         * config/tilepro/tilepro-protos.h: New file.
1840         * config/tilepro/tilepro.c: New file.
1841         * config/tilepro/tilepro.h: New file.
1842         * config/tilepro/tilepro.md: New file.
1843         * config/tilepro/tilepro.opt: New file.
1844
1845 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1846
1847         PR tree-optimization/52210
1848         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1849         vect_model_simple_cost with two entry vect_def_type array instead
1850         of an address of dt.
1851
1852 2012-02-14  Richard Guenther  <rguenther@suse.de>
1853
1854         PR lto/52178
1855         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1856         Do not stream DECL_QUALIFIER.
1857         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1858         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1859         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1860
1861 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1862
1863         PR c/52181
1864         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1865         newdecl.
1866
1867 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1868
1869         PR bootstrap/52172
1870         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1871         * cselib.c (cselib_subst_to_values_from_insn): New function.
1872         * sched-deps.c (add_insn_mem_dependence,
1873         sched_analyze_1, sched_analyze_2): Use it.
1874
1875 2012-02-13  Jan Hubicka  <jh@suse.cz>
1876
1877         PR middle-end/52214
1878         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1879
1880 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1881
1882         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1883         (GTM_SELF_SPECS): Define if not already defined.
1884         (driver_self_specs): Add GTM_SELF_SPECS.
1885         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1886         (GTM_SELF_SPECS): Define.
1887         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1888         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1889
1890 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1891
1892         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1893         away if seen.
1894
1895         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1896
1897         PR middle-end/52230
1898         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1899         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1900
1901 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1902
1903         PR c/52190
1904         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1905
1906 2012-02-13  Richard Guenther  <rguenther@suse.de>
1907
1908         PR translation/52211
1909         * passes.c (enable_disable_pass): Fix typo.
1910
1911 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR middle-end/52209
1914         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1915         XOR for reduce_bit_field if type is unsigned.
1916
1917 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1918
1919         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1920         disallow changes from SFmode to mode with different size in FP regs.
1921
1922 2012-02-12  Robert Millan  <rmh@gnu.org>
1923             Gerald Pfeifer <gerald@pfeifer.com>
1924
1925         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1926         Tweak comment.
1927
1928 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1929
1930         PR rtl-optimization/52175
1931         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1932         to frame-related instructions.
1933
1934 2012-02-10  Jason Merrill  <jason@redhat.com>
1935
1936         PR c++/51910
1937         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1938         (demangle_new_symbols): Fill it.
1939         (scan_linker_output): Walk it.
1940         (start_tweaking): Split out from scan_linker_output.
1941         (maybe_tweak): Update sym->chosen.
1942         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1943
1944 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1945
1946         PR debug/52132
1947         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1948
1949 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1950
1951         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1952         having the same mode as previous compare.
1953
1954 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1955
1956         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1957         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1958         (nonlocal_goto_internal): Likewise.
1959         (nonlocal_goto): Emit a use and an indirect jump directly.
1960
1961 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1962
1963         PR c/52190
1964         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1965         __atomic_{is,always}_lock_free.
1966
1967 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1968
1969         PR target/52146
1970         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1971         negative constant address for x32.
1972
1973 2012-02-10  Richard Henderson  <rth@redhat.com>
1974
1975         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1976         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1977         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1978
1979 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1980             Ira Rosen  <irar@il.ibm.com>
1981
1982         PR tree-optimization/50031
1983         * targhooks.c (default_builtin_vectorization_cost): Handle
1984         vec_promote_demote.
1985         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1986         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1987         all types of reduction and pattern statements.
1988         (vect_estimate_min_profitable_iters): Likewise.
1989         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1990         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1991         for explicit realigns.
1992         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1993         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1994         vec_promote_demote.
1995         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1996         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1997         vec_perm for VSX and handle vec_promote_demote.
1998
1999 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2000
2001         PR middle-end/52177
2002         * builtins.c (fold_builtin_atomic_always_lock_free,
2003         expand_builtin_atomic_always_lock_free,
2004         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2005         Return and/or test boolean_true_node/boolean_false_node instead of
2006         integer_one_node/integer_zero_node.
2007
2008 2012-02-10  Jan Hubicka  <jh@suse.cz>
2009
2010         PR middle-end/48600
2011         * predict.c (predict_paths_for_bb): Prevent looping.
2012         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2013
2014 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2015
2016         * config/arm/arm.c (output_move_double): In one case properly
2017         count number of instructions that will be emitted.
2018
2019 2012-02-10  Richard Guenther  <rguenther@suse.de>
2020
2021         PR translation/52193
2022         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2023
2024 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2025
2026         PR middle-end/52140
2027         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2028
2029 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR debug/52165
2032         * var-tracking.c (emit_note_insn_var_location): If
2033         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2034         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2035         non-NOTE_DURING_CALL_P insn.
2036
2037 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2038
2039         PR middle-end/51867
2040         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2041
2042 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2043
2044         PR driver/48524
2045         * gcc.c (switch_matches) Support switches with separated form,
2046         -D and -U.
2047
2048 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2049
2050         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2051         (SP_ADDR): Ditto.
2052         (RAMPZ_ADDR): Ditto.
2053         * config/avr/avr.c (avr_addr_t): New typedef.
2054         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2055         (avr_init_expanders): Initialize it.
2056         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2057         SREG_ADDR.
2058         (expand_epilogue): Ditto.
2059         (avr_print_operand): Ditto.
2060         (avr_file_start): Ditto.
2061         (avr_emit_movmemhi): Ditto.
2062
2063 2012-02-08  Richard Guenther  <rguenther@suse.de>
2064
2065         PR tree-optimization/46886
2066         * tree-flow.h (do_while_loop_p): Declare.
2067         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2068         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2069
2070 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2071
2072         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2073         always succeed for integers larger than a native word.
2074
2075 2012-02-08  Richard Guenther  <rguenther@suse.de>
2076
2077         PR rtl-optimization/52170
2078         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2079         properly handle integer vector modes.
2080
2081 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2082
2083         PR gcov-profile/52150
2084         * coverage.c: Include target.h.
2085         (build_var): Call targetm.strip_name_encoding on the assembler name.
2086         Change one _ into . or $ if the target allows it.
2087         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2088
2089         PR rtl-optimization/52139
2090         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2091         is a BARRIER after emit_insn_after_noloc, move BB_END
2092         to the last non-BARRIER insn before it.
2093
2094 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2095
2096         PR middle-end/24306
2097         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2098         (mips_gimplify_va_arg_expr): Call it instead of
2099         std_gimplify_va_arg_expr.
2100
2101 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2102
2103         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2104         message for -mno-pointers-to-nested-function.
2105
2106 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2107
2108         PR middle-end/51994
2109         * expr.c (get_inner_reference): If there is an offset, add a negative
2110         bit position to it (if any).
2111
2112 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR rtl-optimization/52060
2115         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2116         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2117         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2118         and/or i0src_copy2 when needed.
2119
2120 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2121
2122         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2123         or LTOPLUGINSONAME if have_c.
2124
2125         * config/freebsd-spec.h: Add comment about what macros can be defined
2126         in this header.
2127         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2128         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2129         here instead.
2130
2131 2012-02-07  Richard Guenther  <rguenther@suse.de>
2132
2133         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2134         newline in -alias dumps.
2135
2136 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2137             Dave Korn  <dave.korn.cygwin@gmail.com>
2138
2139         PR target/40068
2140         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2141         Take care that typinfo gets dllexport-attribute.
2142
2143 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2144
2145         PR middle-end/52074
2146         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2147         if modifier < EXPAND_SUM call force_operand on the result.
2148
2149 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2150
2151         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2152         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2153         present.
2154         (epiphany_function_type): Replace types for specific interrupts with
2155         EPIPHANY_FUNCTION_INTERRUPT.
2156         (EPIPHANY_INTERRUPT_P): Update.
2157         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2158         New static function.
2159         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2160         <disinterrupt>: Affects type identity.
2161         (epiphany_handle_interrupt_attribute): Handle variable number of
2162         arguments.
2163         (epiphany_compute_function_type): Update for new
2164         epiphany_function_type definition.
2165         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2166         handlers with a longcall forwarder.
2167         (epiphany_start_function): Handle multiple interrupt arguments and/or
2168         forwarder_section attribute.
2169
2170         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2171         libgloss.
2172
2173 2012-02-07  Alan Modra  <amodra@gmail.com>
2174
2175         PR target/52107
2176         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2177         subregs of TFmode.
2178
2179 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2180
2181         PR tree-optimization/50969
2182         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2183         use vec_perm rather than vector_stmt.
2184         (vect_model_load_cost): Likewise.
2185         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2186         vec_perm to be the same as other vector statements.
2187         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2188         cost of vec_perm for TARGET_VSX.
2189
2190 2012-02-06  Richard Guenther  <rguenther@suse.de>
2191
2192         PR tree-optimization/52115
2193         * tree-sra.c (access_has_replacements_p): New function.
2194         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2195
2196 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2197
2198         PR middle-end/52047
2199         * trans-mem.c (expand_call_tm): Add an assertion.
2200         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2201         functions.
2202
2203 2012-02-06  Richard Guenther  <rguenther@suse.de>
2204
2205         PR tree-optimization/50955
2206         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2207         raise cost of expressions that replace an address with an
2208         expression based on a different pointer.
2209
2210 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2211
2212         PR target/52129
2213         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2214         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2215
2216 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2217
2218         PR c++/48680
2219         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2220         -Weffc++ and specify guidelines come from second edition.
2221
2222 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2223
2224         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2225         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2226         (call_direct_split, call_value_split, call_value_internal_direct)
2227         (call_value_direct_split, call_value_multiple_split): Use jal and
2228         jal_macro attributes.
2229
2230 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2231
2232         * reload1.c (reload_regs_reach_end_p): Replace with...
2233         (reload_reg_rtx_reaches_end_p): ...this function.
2234         (new_spill_reg_store): Update commentary.
2235         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2236         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2237         before setting new_spill_reg_store.
2238         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2239         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2240         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2241         for non-spill reload registers.
2242
2243 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2244
2245         PR tree-optimization/52091
2246         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2247         (vect_is_simple_use_1): Likewise.
2248         * tree-vect-loop.c (vectorizable_reduction): Update calls
2249         to vect_is_simple_use_1 and vect_is_simple_use.
2250         (vectorizable_live_operation): Likewise.
2251         * tree-vect-patterns.c (widened_name_p,
2252         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2253         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2254         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2255         vectorizable_shift,vectorizable_operation, vectorizable_store,
2256         vectorizable_load): Likewise.
2257         (vect_is_simple_cond): Add an argument, pass it to
2258         vect_is_simple_use_1.
2259         (vectorizable_condition): Update calls to vect_is_simple_cond,
2260         vect_is_simple_use.
2261         (vect_is_simple_use): Add an argument, the statement in which
2262         OPERAND is used.  Check that if OPERAND's def stmt is a double
2263         reduction phi node, the use is a phi node too.
2264         (vect_is_simple_use_1): Add an argument, pass it to
2265         vect_is_simple_use.
2266         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2267         to vect_is_simple_use.
2268
2269 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2270
2271         PR rtl-optimization/52095
2272         * modulo-sched.c (dump_insn_locator): New function.
2273         (loop_canon_p, sms_schedule): Use it.
2274
2275         PR rtl-optimization/52113
2276         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2277         even for decomposable shift/zext insns.
2278
2279 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2280             Zdenek Dvorak  <ook@ucw.cz>
2281
2282         PR rtl-optimization/52092
2283         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2284         on get_iv_value result.
2285
2286 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2287
2288         PR middle-end/47982
2289         PR middle-end/43967
2290         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2291
2292 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2293
2294         PR middle-end/48071
2295         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2296
2297 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2298
2299         PR rtl-optimization/49800
2300         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2301         (sched_finish): Call regstat_free_n_sets_and_refs.
2302
2303 2012-02-02  Jia Liu  <proljc@gmail.com>
2304
2305         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2306         than operand 2.
2307
2308 2012-02-02  Jan Hubicka  <jh@suse.cz>
2309             Tom de Vries  <tom@codesourcery.com>
2310
2311         PR middle-end/51998
2312         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2313         * varpool.c (varpool_analyze_pending_decls): Likewise.
2314
2315 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2316             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2317
2318         * config.gcc: Add cr16-* support.
2319
2320         * doc/extend.texi: Document cr16 extensions.
2321         * doc/install.texi: Document cr16 install.
2322         * doc/invoke.texi: Document cr16 options.
2323         * doc/md.texi: Document cr16 constraints.
2324
2325         * common/config/cr16/cr16-common.c: New file.
2326         * config/cr16/cr16.c: New file.
2327         * config/cr16/cr16.h: New file.
2328         * config/cr16/cr16.md: New file.
2329         * config/cr16/cr16.opt: New file.
2330         * config/cr16/cr16-protos.h: New file.
2331         * config/cr16/predicates.md: New file.
2332         * config/cr16/constraints.md: New file.
2333         * config/cr16/t-cr16: New file.
2334
2335 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2336
2337         PR target/52086
2338         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2339         that operands[2] is either immediate, or q_regs_operand.
2340
2341         PR tree-optimization/52073
2342         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2343         a pattern stmt for pattern uses, ignore uses outside of the loop.
2344
2345 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2346
2347         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2348         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2349         (OUT_AS1, OUT_AS2): Remove.
2350
2351 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2352
2353         PR rtl-optimization/51374
2354         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2355         to cross other volatile_refs_p insns.
2356
2357 2012-02-01  Richard Guenther  <rguenther@suse.de>
2358
2359         * doc/invoke.texi (fno-inline): Clarify documentation.
2360         (finline-small-functions): Likewise.
2361         (finline-functions): Likewise.
2362         * common.opt (finline): Adjust comment and documentation.
2363         (finline-small-functions): Clarify documentation.
2364         (finline-functions): Likewise.
2365         (finline-functions-called-once): Likewise.
2366
2367 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2368
2369         * c-typeck.c (composite_type): Keep mode for pointers.
2370
2371 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2372
2373         * function.h (regno_reg_rtx): Adjust comment.
2374         * reginfo.c (init_reg_modes_target): Only use the previous mode
2375         if it fits within one register.  Remove MIPS comment.
2376
2377 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2378
2379         PR bootstrap/52058
2380         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2381
2382 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2383
2384         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2385         to srak instruction.
2386
2387 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2388
2389         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2390
2391 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2392
2393         PR bootstrap/52041
2394         PR bootstrap/52039
2395         PR target/51974
2396         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2397
2398 2012-01-31  Richard Guenther  <rguenther@suse.de>
2399
2400         PR tree-optimization/51528
2401         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2402         assigns.
2403
2404 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2405
2406         PR bootstrap/52041
2407         PR bootstrap/52039
2408         PR target/51974
2409         * ree.c (add_removable_extension): Change def_map argument
2410         to unsigned *, store in def_map 1 + offset into *insn_list vector
2411         instead of pointers into the vector.
2412         (find_removable_extensions): Adjust caller.
2413
2414 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2415
2416         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2417         Transform all "* quoted-c-code" to { c-code }.
2418         Remove redundant test for "optimize" in combine patterns.
2419         Move (include "avr-dimode.md") to end of file.
2420
2421 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2422
2423         PR target/51835
2424         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2425         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2426
2427 2012-01-30  Richard Guenther  <rguenther@suse.de>
2428
2429         PR tree-optimization/52028
2430         * tree-loop-distribution.c (ldist_gen): Properly update
2431         virtual SSA form.
2432
2433 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2434
2435         PR debug/52027
2436         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2437         set_cur_line_info_table if not emitting debug info.
2438
2439         PR tree-optimization/52046
2440         * tree-vect-patterns.c (check_bool_pattern): Give up if
2441         a comparison could throw.
2442
2443         PR debug/52048
2444         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2445
2446 2012-01-30  Richard Guenther  <rguenther@suse.de>
2447
2448         PR tree-optimization/52045
2449         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2450         SSA form if cfgcleanup did anything.
2451
2452 2012-01-30  Richard Guenther  <rguenther@suse.de>
2453
2454         PR tree-optimization/52045
2455         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2456         before computing final todo.
2457
2458 2012-01-30  Richard Guenther  <rguenther@suse.de>
2459
2460         PR tree-optimization/51528
2461         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2462         for PR51528 fix.
2463
2464 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2465
2466         * df-problems.c (df_kill_notes): Check that the use refers
2467         to the note under examination.
2468
2469 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2470
2471         PR target/51920
2472         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2473         parameter and use short-lived pseudos.
2474         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2475         (sparc_expand_vector_init): Const-ify local variables and adjust
2476         calls to above functions.
2477
2478 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2479
2480         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2481
2482 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2483
2484         * doc/invoke.texi: Make usage of "compile time" and
2485         "run time"/"runtime" consistent throughout the file.
2486
2487 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2488
2489         * config/alpha/alpha.c (alpha_option_override): Default to
2490         full IEEE compliance mode for Go language.
2491
2492 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2493
2494         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2495         (LINK_SSP_SPEC): Define.
2496
2497 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2498
2499         PR target/51871
2500         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2501         stubs.
2502
2503 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2504
2505         * doc/invoke.texi: Correct hyphenation of "floating point",
2506         "double precision", and related terminology throughout the file.
2507
2508 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2509
2510         PR target/52006
2511         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2512         arm_general_register_operand predicate for operand 2 instead of
2513         register_operand.
2514
2515 2012-01-27  Ian Lance Taylor  <iant@google.com>
2516
2517         PR go/47656
2518         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2519         * builtins.c (expand_builtin_init_trampoline): Add onstack
2520         parameter.  Change caller.
2521         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2522         * tree.c (build_common_builtin_nodes): Declare
2523         __builtin_init_heap_trampoline.
2524
2525 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2526
2527         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2528         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2529         * config/avr/avr.c: Ditto.
2530         (avr_regnames): Remove because unused.
2531         * config/avr/avr.md (*cpse.ne): New peephole.
2532         (*cpse.eq): New peephole from former cpse peepholes.
2533
2534 2012-01-27  Michael Eager  <eager@eagercon.com>
2535
2536         * config/microblaze.c (microblaze_emit_compare): Correct
2537         test after pcmp instruction.
2538
2539 2012-01-27  Richard Guenther  <rguenther@suse.de>
2540
2541         PR tree-optimization/52020
2542         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2543
2544 2012-01-27  Richard Guenther  <rguenther@suse.de>
2545
2546         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2547         function non-const/pure.
2548
2549 2012-01-27  Richard Guenther  <rguenther@suse.de>
2550
2551         PR tree-optimization/50444
2552         * tree-sra.c (build_ref_for_offset): Properly adjust the
2553         MEM_REF type for unaligned accesses.
2554
2555 2012-01-27  Richard Guenther  <rguenther@suse.de>
2556
2557         PR tree-optimization/50444
2558         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2559         (expand_assignment): Use it.  Properly handle misaligned
2560         bases when expanding stores to component references.
2561         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2562         refactor that case.
2563
2564 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2565
2566         PR middle-end/51389
2567         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2568         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2569         * tree-data-ref.c (find_data_references_in_loop): Make static.
2570         (compute_all_dependences): Change return type to bool.  Bail out
2571         for too many datarefs in a loop.  Move the hunk resetting the data
2572         dependences vector from ...
2573         (compute_data_dependences_for_loop): ... here.  Account for
2574         compute_all_dependences returning false.
2575         (compute_data_dependences_for_bb): Likewise.
2576         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2577         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2578
2579 2012-01-27  Richard Guenther  <rguenther@suse.de>
2580
2581         PR middle-end/51959
2582         * expr.c (store_field): Use the alias-set of the scratch memory
2583         for storing to it.
2584
2585 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2586
2587         PR tree-optimization/51990
2588         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2589         WITH_SIZE_EXPR.
2590         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2591
2592 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2593
2594         PR debug/52001
2595         * var-tracking.c (reverse_op): Don't add any reverse operation
2596         if V already has any constant locations.
2597
2598 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2599
2600         * doc/invoke.texi: Correct usage of "command line" (noun)
2601         vs "command-line" (adjective) throughout.
2602
2603 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2604
2605         * doc/invoke.texi (Language Independent Options): Move
2606         -Wcoverage-mismatch blurb from here....
2607         (Warning Options): ...to here.
2608
2609 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2610
2611         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2612         Set rs6000_always_hint to false for 476.
2613
2614 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2615
2616         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2617           system root.
2618         * incpath.c (add_standard_paths): Likewise.
2619
2620 2012-01-27  Richard Henderson  <rth@redhat.com>
2621
2622         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2623         * config/m68k/sync.md (atomic_test_and_set): Rename from
2624         sync_test_and_setqi and adjust the operands.
2625         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2626         and unconditionally enable.
2627
2628 2012-01-27  Richard Henderson  <rth@redhat.com>
2629
2630         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2631         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2632         (ldstub): Rename from ldstubqi.
2633         (ldstub<I24MODE>): Remove.
2634
2635 2012-01-27  Richard Henderson  <rth@redhat.com>
2636
2637         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2638         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2639         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2640         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2641         * doc/tm.texi: Rebuild.
2642
2643 2012-01-27  Richard Henderson  <rth@redhat.com>
2644
2645         * optabs.c (gen_atomic_test_and_set): Remove default.
2646         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2647
2648 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2649
2650         PR rtl-optimization/51978
2651         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2652         (combine_reaching_defs): Likewise.
2653         (struct re_info): Remove.
2654         (add_removable_extension): Remove x and data arguments,
2655         add insn, insn_list and def_map.  Use the arguments directly
2656         instead of using struct re_info.
2657         (find_removable_extensions): Don't call add_removable_extension
2658         through note_stores, instead just call it with single_set
2659         result if non-NULL.
2660         (find_and_remove_re): Pass curr_cand->expr instead of
2661         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2662
2663 2012-01-26  Michael Matz  <matz@suse.de>
2664
2665         PR tree-optimization/46590
2666         * cfgexpand.c: Revert last change (r183305).
2667         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2668         regs.
2669         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2670         checking for emptiness.
2671
2672 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2673
2674         PR middle-end/51895
2675         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2676         non-addressable non-BLKmode base correctly.
2677
2678 2012-01-26  Michael Matz  <matz@suse.de>
2679
2680         PR tree-optimization/48794
2681         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2682         regions referenced from RESX/EH_DISPATCH.
2683
2684 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2685
2686         * config/s390/s390.h: Make BRANCH_COST an option.
2687         * config/s390/s390.opt: New option -mbranch-cost.
2688
2689 2012-01-26  Richard Henderson  <rth@redhat.com>
2690
2691         Revert 2012-01-24 change:
2692         * trans-mem.c (requires_barrier): Do not instrument thread local
2693         variables and emit save/restore for them.
2694
2695 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2696
2697         PR middle-end/51986
2698         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2699         for pat == 0.
2700
2701 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2702
2703         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2704         ASM_OPERANDS.
2705
2706 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2707
2708         PR target/49868
2709         Rename __pgm to __flash.
2710         Rename __pgm1 to __flash1.
2711         Rename __pgm2 to __flash2.
2712         Rename __pgm3 to __flash3.
2713         Rename __pgm4 to __flash4.
2714         Rename __pgm5 to __flash5.
2715         Rename __pgmx to __memx.
2716         * doc/extend.texi (AVR Named Address Spaces)
2717         Rename address space names as indicated above.
2718         * config/avr/avr.c (avr_addrspace): Ditto.
2719
2720         * config/avr/avr-protos.h
2721         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2722         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2723         * config/avr/predicates.md: Ditto.
2724         * config/avr/avr.c Ditto, and
2725         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2726         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2727
2728         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2729         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2730         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2731         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2732         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2733         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2734         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2735         * config/avr/avr.c: Ditto.
2736         * config/avr/avr.md: Ditto.
2737
2738 2012-01-25  Jason Merrill  <jason@redhat.com>
2739
2740         PR c++/51992
2741         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2742
2743 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2744
2745         PR tree-optimization/51987
2746         * tree-data-ref.c (get_references_in_stmt): Handle references in
2747         non-volatile GIMPLE_ASM.
2748
2749 2012-01-25  Richard Guenther  <rguenther@suse.de>
2750
2751         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2752         bases are dereferenced.
2753
2754 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2755
2756         PR rtl-optimization/48374
2757         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2758
2759 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2760
2761         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2762         compute_data_dependences_for_loop returns false.
2763         * tree-parloops.c (loop_parallel_p): Likewise.
2764
2765 2012-01-25  Richard Guenther  <rguenther@suse.de>
2766
2767         * tree.h (get_pointer_alignment_1): Declare.
2768         * builtins.c (get_pointer_alignment_1): New function.
2769         (get_pointer_alignment): Use it.
2770
2771 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2772
2773         PR rtl-optimization/48308
2774         * combine.c (enum undo_kind): Add UNDO_LINKS.
2775         (struct undo): Add member l to other_contents and where.
2776         (do_SUBST_LINK): New.
2777         (SUBST_LINK): New.
2778         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2779         (undo_all): Handle UNDO_LINKS.
2780
2781 2012-01-25  Richard Henderson  <rth@redhat.com>
2782
2783         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2784         mem inputs.
2785
2786 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2787
2788         * optabs.c (gen_atomic_test_and_set): Use each argument.
2789
2790 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2791
2792         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2793         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2794         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2795         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2796         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2797         TARGET_PAIRED_SINGLE_FLOAT.
2798
2799 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2800
2801         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2802         (in_struct, return_val): Remove MEM documentation.
2803         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2804         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2805         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2806         and MEM_SCALAR.
2807         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2808         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2809         * expr.c (store_field): Likewise.
2810         * function.c (assign_stack_temp_for_type): Likewise.
2811         * ifcvt.c (noce_try_cmove_arith): Likewise.
2812         * reload1.c (reload): Likewise.
2813         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2814         (alpha_set_memflags): Likewise.
2815         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2816
2817 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2818
2819         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2820         parameter.
2821         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2822         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2823         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2824         varies parameter.
2825         * cselib.c (cselib_rtx_varies_p): Delete.
2826         (cselib_invalidate_mem): Update call to canon_true_dependence.
2827         * dse.c (record_store, check_mem_read_rtx): Likewise.
2828         (scan_reads_nospill): Likewise.
2829         * cse.c (check_dependence): Likewise.
2830         (cse_rtx_varies_p): Delete.
2831         * expr.c (safe_from_p): Update call to true_dependence.
2832         * ira.c (validate_equiv_mem_from_store): Likewise.
2833         (memref_referenced_p): Likewise.
2834         * postreload-gcse.c (find_mem_conflicts): Likewise.
2835         * sched-deps.c (sched_analyze_2): Likewise.
2836         * store-motion.c (load_kills_store): Likewise.
2837         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2838         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2839         (compute_transp): Update call to canon_true_dependence.
2840
2841 2012-01-25  Richard Henderson  <rth@redhat.com>
2842
2843         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2844         (maybe_emit_atomic_test_and_set): New.
2845         (expand_sync_lock_test_and_set): Use it.
2846         (expand_atomic_test_and_set): Likewise.
2847         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2848         the implementation; clarify implementation defined details.
2849         * doc/md.texi (atomic_test_and_set): Document.
2850
2851 2012-01-25  Richard Henderson  <rth@redhat.com>
2852
2853         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2854
2855 2012-01-25  Richard Henderson  <rth@redhat.com>
2856
2857         PR target/51968
2858         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2859         to effect no-op split.
2860
2861 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2862
2863         PR lto/51698
2864         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2865         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2866         (BT_FN_VOID_PTR_INT_SIZE): New.
2867         (BT_FN_UINT_UINT_VAR): Remove.
2868         (BT_FN_UINT32_UINT32_VAR): New.
2869         (BT_FN_DOUBLE_VPTR): Remove.
2870         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2871
2872         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2873         (_ITM_changeTransactionMode): Same.
2874         (_ITM_memmoveRtWt): Change return type to void.
2875         (_ITM_memcpyRtWt): Same.
2876         (_ITM_memsetW): Same.
2877         (_ITM_RaRD): Change types to double.
2878         (_ITM_RD): Same.
2879         (_ITM_RaWD): Same.
2880         (_ITM_RfWD): Same.
2881
2882         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2883
2884 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2885             Patrick Marlier  <patrick.marlier@gmail.com>
2886
2887         * trans-mem.c (requires_barrier): Do not instrument thread local
2888         variables and emit save/restore for them.
2889
2890 2012-01-24  Jason Merrill  <jason@redhat.com>
2891
2892         PR c++/51812
2893         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2894         output static aliases.
2895
2896 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2897
2898         PR driver/47249
2899         * common.opt (-pie, -shared, pie, shared): Change from Common to
2900         Driver.
2901         * gcc.c (display_help): Display help for -pie and -shared.
2902
2903 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2904
2905         PR target/49868
2906         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2907         Remove note on size/offset limitation.
2908         (AVR Variable Attributes): Add example how to read data located
2909         with progmem.  Refer to named address spaces.
2910         * doc/invoke.texi (AVR Options): Fix typo.
2911
2912 2012-01-24  Richard Guenther  <rguenther@suse.de>
2913
2914         Forward-port to trunk
2915         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR middle-end/45678
2918         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2919         op0 isn't sufficiently aligned and there is movmisalignM
2920         insn for mode, use it to load op0 into a temporary register.
2921
2922 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2923
2924         PR target/51957
2925         * target.def (const_not_ok_for_debug_p): New hook.
2926         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2927         documentation.
2928         * doc/tm.texi: Regenerated.
2929         * dwarf2out.c (const_ok_for_output_1): If
2930         targetm.const_not_ok_for_debug_p returns true, fail.
2931         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2932         function.
2933         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2934
2935 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2936
2937         PR target/51900
2938         * config/i386/predicates.md (symbolic_operand): Allow
2939         UNSPEC_PCREL as PIC expression for lea.
2940         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2941         * config/i386/i386.c (ix86_delegitimize_address): Handle
2942         UNSPEC_PCREL for none-MEM, too.
2943
2944 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2945
2946         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2947         (ipa_tm_create_version_alias): Same.
2948
2949 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2950
2951         PR libitm/51830
2952         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2953         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2954
2955 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2956             Patrick Marlier  <patrick.marlier@gmail.com>
2957             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2958
2959         PR lto/51916
2960         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2961         simple_object_start_read.
2962
2963 2012-01-23  Richard Guenther  <rguenther@suse.de>
2964
2965
2966         PR tree-optimization/51895
2967         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2968         parameter decomposition into BLKmode components.
2969
2970 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2971
2972         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2973         fake variables for restrict-qualified pointers whose pointed-to type
2974         contains a placeholder.
2975
2976 2012-01-23  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/51949
2979         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2980
2981 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2982
2983         PR rtl-optimization/51933
2984         * ree.c (transform_ifelse): Return true right away if dstreg is
2985         already wider or equal to cand->mode.
2986         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2987         (make_defs_and_copies_lists): Remove defs_list and copies_list
2988         arguments, add state argument, just truncate state->work_list
2989         instead of always allocating and freeing the vector.  Assert that
2990         get_defs succeeds instead of returning 2.  Changed return type to bool.
2991         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2992         have ext_src_mode, see if it has been modified already with the
2993         right kind of extension and has been extended before from the
2994         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2995         just return true.  Remember the original mode in state->modified array.
2996         (combine_reaching_defs): Add state argument.  Don't allocate and
2997         free here def_list, copied_list and vec vectors, instead just
2998         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2999         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3000         Add state variable, clear vectors in it, initialize state.modified
3001         if needed.  Free all the vectors at the end and state.modified too.
3002         Don't skip a candidate if the extension expression has been modified.
3003
3004 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3005
3006         PR target/47096
3007         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3008          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3009         (extra_options) interix.opt -> i386/interix.opt"
3010         (extra_objs):Add winnt-stubs.o
3011         * configure.ac: Add interix to target_os .comm on PE check.
3012         * configure: Regenerate.
3013         * config/interix3.h: Delete and move bits to..
3014         * config/interix.h: Delete and move bits to..
3015         * config/i386/i386-interix3.h: Delete and move bits to..
3016         * config/i386/i386-interix.h: ..here.
3017         (TARGET_CPU_DEFAULT): Remove redefinition.
3018         (TARGET_ASM_CONSTRUCTOR): Undefine.
3019         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3020         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3021         (PTRDIFF_TYPE): Define.
3022         (LONG_DOUBLE_TYPE_SIZE): Define.
3023         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3024         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3025         (TARGET_SECTION_TYPE_FLAGS): Define.
3026         (ASM_DECLARE_FUNCTION_NAME): Define.
3027         (ASM_OUTPUT_EXTERNAL): Define.
3028         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3029         (ASM_OUTPUT_ALIGNED_BSS): Define.
3030         (PCC_BITFIELD_TYPE_MATTERS): Define.
3031         (USE_CONST_SECTION): Define.
3032         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3033         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3034         (SUPPORTS_ONE_ONLY): Remove.
3035         (I386_PE_STRIP_ENCODING): Define.
3036         * config/interix.opt: Delete and move bits to..
3037         * config/i386/interix.opt: ..here. New.
3038         (mpe-aligned-commons): Add.
3039         * config/i386/t-interix: Add copyright header.
3040         (winnt-stubs.o): Add rule.
3041
3042 2012-01-22  Jason Merrill  <jason@redhat.com>
3043
3044         PR c++/51832
3045         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3046         for extra name aliases.
3047
3048 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3049
3050         PR rtl-optimization/51924
3051         * ree.c (combine_set_extension): Improve debugging message.
3052         (combine_reaching_defs): Likewise.
3053         (get_defs): Rename confusingly named variable.
3054         (find_and_remove_re): Skip a candidate if the extension expression has
3055         been modified.
3056
3057 2012-01-21  Robert Millan  <rmh@gnu.org>
3058             Gerald Pfeifer  <gerald@pfeifer.com>
3059
3060         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3061         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3062
3063 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3064
3065         PR tree-optimization/51914
3066         * tree-vect-stmts.c (vectorizable_conversion): For
3067         cvt_type && modifier == WIDEN, put temporary with cvt_type
3068         at the beginning of vec_dsts and set vec_dest to temporary
3069         with vectype_out.
3070
3071 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3072
3073         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3074
3075 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3076
3077         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3078         * config/rs6000/rs6000.c: Likewise.
3079
3080 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3081
3082         PR target/51915
3083         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3084         output_move_double on a copy of operands array.
3085
3086 2012-01-20  Cary Coutant  <ccoutant@google.com>
3087             Dodji Seketeli  <dodji@redhat.com>
3088
3089         PR debug/45682
3090         * dwarf2out.c (copy_declaration_context): Return ref to parent
3091         of declaration DIE, if necessary.
3092         (remove_child_or_replace_with_skeleton): Add new parameter; update
3093         caller.  Place skeleton DIE under parent DIE of original declaration.
3094         Move call to copy_declaration_context to here ...
3095         (break_out_comdat_types): ... from here.
3096
3097 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3098
3099         PR rtl-optimization/51856
3100         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3101         flag to reloaded.
3102
3103 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3104
3105         PR target/51819
3106         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3107         hints for neon loads and stores.
3108
3109 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3110
3111         PR target/49868
3112         PR target/50887
3113         * doc/extend.texi (Named Address Spaces): Split into subsections.
3114         (AVR Named Address Spaces): New subsection.
3115         (M32C Named Address Spaces): New subsection.
3116         (RL78 Named Address Spaces): New subsection.
3117         (SPU Named Address Spaces): New subsection.
3118         (Variable Attributes): New anchor "AVR Variable Attributes".
3119         (AVR Variable Attributes): Rewrite and avoid wording
3120         "address space" in this context.
3121         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3122         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3123         (AVR Built-in Macros): New subsubsection therein.
3124         * doc/md.texi (AVR constraints): Remove "C04", "R".
3125
3126 2012-01-20  Richard Guenther  <rguenther@suse.de>
3127
3128         PR tree-optimization/51903
3129         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3130         when removing stmts.
3131
3132 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3133
3134         PR target/50313
3135         * config/arm/arm.c (arm_load_pic_register): Use
3136         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3137         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3138         (arm_pic_static_addr): Likewise.
3139         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3140         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3141         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3142         (pic_load_addr_unified): New.
3143
3144 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3145
3146         PR target/51106
3147         * function.c (instantiate_virtual_regs_in_insn): Use
3148         delete_insn_and_edges when removing a wrong asm insn.
3149
3150 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3151
3152         PR rtl-optimization/40761
3153         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3154         Add new member loop_num.
3155         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3156         (ira_build): Remove the parameter.
3157
3158         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3159         (ira.c): Do not build CFG loops for one region allocation.  Remove
3160         argument from ira_build call.
3161
3162         * ira-build.c (init_loop_tree_node): New function.
3163         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3164         loops are not built.
3165         (more_one_region_p): Check current_loops.
3166         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3167         built.
3168         (add_loop_to_tree): Process loop equal to NULL too.
3169         (form_loop_tree): Separate the case when CFG loops are not built.
3170         Use explicitly number for the root.
3171         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3172         an assertion.
3173         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3174         instead of loop->num.
3175         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3176         (mark_all_loops_for_removal): Ditto.
3177         (remove_unnecessary_regions): Separate the case when CFG loops
3178         are not built.
3179         (ira_build): Remove the parameter.  Use explicit number of regions
3180         when CFG loops are not built.
3181
3182         * ira-color.c (print_loop_title): Separate the case for the root node.
3183         Use loop_num instead of loop->num.
3184         (move_spill_restore): Use loop_num instead of loop->num.
3185
3186         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3187         (change_loop): Ditto.
3188         (change_loop): Use loop_num instead of loop->num.
3189
3190         * ira-lives.c (process_bb_node_lives): Ditto.
3191
3192         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3193
3194         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3195
3196 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3197
3198         PR libmudflap/40778
3199         * tree-mudflap.c (mf_artificial): New function.
3200         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3201         mx_register_decls, mudflap_enqueue_decl): Use it.
3202
3203         PR target/51876
3204         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3205         numbers in the insn pattern.
3206
3207 2012-01-19  Michael Matz  <matz@suse.de>
3208
3209         PR tree-optimization/46590
3210         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3211         use it in remembering which conflicts we already created.
3212         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3213         bitmap.
3214
3215 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3216
3217         PR lto/51280
3218         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3219         (merge_and_complain): Same.
3220
3221 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3222
3223         PR bootstrap/50237
3224         * config/initfini-array.h: Guard content of the header
3225         with #ifdef HAVE_INITFINI_ARRAY.
3226         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3227         Add initfini-array.h to tm_file here.
3228         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3229         * config.gcc: Don't add initfini-array.h to tm_file here.
3230         * configure: Regenerated.
3231
3232 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3233
3234         PR rtl-optimization/51505
3235         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3236         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3237         (df_note_bb_compute): Update the call to df_kill_notes.
3238
3239 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3240
3241         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3242
3243 2012-01-18  Richard Guenther  <rguenther@suse.de>
3244
3245         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3246         of conversions to void *.
3247
3248 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3249             Richard Sandiford  <rdsandiford@googlemail.com>
3250
3251         PR middle-end/50325
3252         PR middle-end/51192
3253         * optabs.h (simplify_expand_binop): Declare.
3254         * optabs.c (simplify_expand_binop): Make global.
3255         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3256         endian targets if the source cannot be exactly covered by word
3257         mode chunks.
3258
3259 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3260
3261         PR bootstrap/51872
3262         * hard-reg-set.h (struct hard_reg_set_container): New type.
3263         * target.h (struct hard_reg_set_container): Forward declare.
3264         * target.def (set_up_by_prologue): New target hook.
3265         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3266         * doc/tm.texi: Regenerated.
3267         * function.c (thread_prologue_and_epilogue_insns): Change
3268         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3269         Call targetm.set_up_by_prologue on it.
3270         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3271         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3272
3273 2012-01-17  Nick Clifton  <nickc@redhat.com>
3274
3275         * config/rx/rx.c (rx_can_use_simple_return): New function.
3276         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3277         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3278
3279 2012-01-17  Richard Guenther  <rguenther@suse.de>
3280
3281         PR middle-end/51782
3282         * expr.c (expand_assignment): Take address-space information
3283         from the address operand of MEM_REF and TARGET_MEM_REF.
3284         (expand_expr_real_1): Likewise.
3285
3286 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3287
3288         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3289         reload dump is requested.
3290
3291 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3292
3293         PR other/51165
3294         * trans-mem.c (requires_barrier): Call may_be_aliased.
3295
3296 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3297
3298         PR tree-optimization/51877
3299         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3300         call arguments and fndecls compare equal, instead return false if they
3301         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3302         both SSA_NAMEs that are valueized the same, or they satisfy
3303         operand_equal_p.
3304
3305 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3306
3307         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3308         Solaris 11+.
3309         * configure: Regenerate.
3310
3311 2012-01-16  Jan Hubicka  <jh@suse.cz>
3312
3313         PR c/12245
3314         PR c++/14179
3315         * convert.c (convert_to_integer): Use fold_convert for
3316         converting an INTEGER_CST to integer type.
3317
3318 2012-01-16  Jason Merrill  <jason@redhat.com>
3319
3320         PR c++/14179
3321         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3322
3323 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3324
3325         PR bootstrap/51860
3326         * config/s390/s390.c (s390_chunkify_start): Don't skip
3327         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3328         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3329         If insn is followed by NOTE_INSN_VAR_LOCATION or
3330         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3331         Don't use location of note insns.
3332
3333         PR tree-optimization/51865
3334         * tree-inline.c (tree_function_versioning): Call remap_decl
3335         on DECL_RESULT whenever it has VOID_TYPE_P type.
3336
3337 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3338
3339         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3340         for calls to locally-binding MIPS16 functions if only the return
3341         type uses float regs.
3342
3343 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3344             Richard Sandiford  <rdsandiford@googlemail.com>
3345
3346         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3347         (SYMBOL_32_HIGH): Likewise.
3348         (mips_output_tls_reloc_directive): Declare.
3349         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3350         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3351         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3352         (mips_lo_relocs, mips_hi_relocs): Make extern.
3353         (mips16_stub_function): Move up file.
3354         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3355         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3356         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3357         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3358         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3359         (mips_get_tp): Add MIPS16 support.
3360         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3361         Generalize DTPREL and TPREL handling.
3362         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3363         Add MIPS16 TLS support.
3364         (mips_output_tls_reloc_directive): New function.
3365         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3366         * config/mips/predicates.md (symbolic_operand_with_high)
3367         (tls_reloc_operand): New predicates.
3368         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3369         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3370         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3371         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3372         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3373         (*tls_get_tp_mips16_call_<mode>): Likewise.
3374
3375 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         PR rtl-optimization/51821
3378         * recog.c (peep2_find_free_register): Determine clobbered registers
3379         from insn pattern.
3380
3381 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3382
3383         PR target/50925
3384         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3385         * config/avr/avr.c: Likewise.
3386         * config/avr/avr.h: Likewise.
3387
3388 2012-01-13  Ian Lance Taylor  <iant@google.com>
3389
3390         PR c++/50012
3391         * tree.h (TYPE_QUALS): Add cast to int.
3392         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3393
3394 2012-01-13  Ian Lance Taylor  <iant@google.com>
3395
3396         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3397         comparing param_index to VEC_length result.
3398
3399 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3400
3401         * c-decl.c: Do not include tree-mudflap.h
3402         * tree-optimize.c: Likewise.
3403         * Makefile.in: Update dependencies.
3404
3405 2012-01-13  Richard Guenther  <rguenther@suse.de>
3406
3407         PR middle-end/8081
3408         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3409         variable-sized result always use RSO.
3410
3411 2012-01-12  DJ Delorie  <dj@redhat.com>
3412
3413         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3414         pointer type, not just the default pointer type.
3415
3416 2012-01-09  Richard Henderson  <rth@redhat.com>
3417             Denis Chertykov  <chertykov@gmail.com>
3418
3419         PR target/50925
3420         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3421         * config/avr/avr.c (avr_can_eliminate): Simplify.
3422         (avr_initial_elimination_offset): Likewise.
3423         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3424         (expand_epilogue): Likewise.
3425         (avr_legitimize_address): Gut.
3426         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3427         (avr_hard_regno_nregs): New.
3428         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3429         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3430         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3431         add soft frame pointer.
3432         (CALL_USED_REGISTERS): Likewise.
3433         (REG_CLASS_CONTENTS): Likewise.
3434         (REGISTER_NAMES): Likewise.
3435         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3436         (HARD_FRAME_POINTER_REGNUM): New.
3437         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3438         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3439         remove the HARD_FRAME_POINTER self-elimination.
3440
3441 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3442
3443         PR target/51756
3444         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3445         DECL_EXTERNAL when checking for initializers of progmem variables.
3446
3447 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3448
3449         PR tree-optimization/51799
3450         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3451         that the last operation is a type demotion.
3452
3453 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3454
3455         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3456         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3457
3458 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3459
3460         PR bootstrap/51796
3461         * combine.c (distribute_notes): If i3 is a noreturn call,
3462         allow old_size to be equal to args_size and make sure the
3463         noreturn call gets REG_ARGS_SIZE note.
3464         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3465         on noreturn calls even when the delta is 0.
3466
3467 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3468
3469         * gcov.c (STRING_SIZE): Remove.
3470         (generate_results): Erase annotations for source files with no
3471         coverage information.
3472         (read_line): New.
3473         (output_lines): Use it.
3474
3475 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3476
3477         * gimple.h (gimplify_body): Remove first argument.
3478         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3479         pointer set here, instead just pass DATA to walk_tree.
3480         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3481         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3482         (unvisit_body): Likewise, but with unmark_visited.
3483         (gimplify_body): Remove BODY_P argument and adjust.
3484         (gimplify_function_tree): Adjust call to gimplify_body.
3485         * omp-low.c (finalize_task_copyfn): Likewise.
3486
3487 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3488
3489         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3490         (build_function_type_skip_args): Delete.
3491         * tree.c (build_function_type_skip_args): Make static and add
3492         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3493         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3494         pass it to build_function_type_skip_args.
3495         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3496         (tree_function_versioning): Likewise.
3497         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3498         build_function_decl_skip_args.
3499         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3500         and pass it to build_function_decl_skip_args/tree_function_versioning.
3501         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3502         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3503         * trans-mem.c (ipa_tm_create_version): Likewise.
3504         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3505         * tree-inline.c (declare_return_variable): Remove always-true test.
3506         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3507         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3508         * ipa-split.c (split_function): Skip the return value for the split
3509         part if it doesn't return.
3510
3511 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3512
3513         PR tree-optimization/49642
3514         * ipa-split.c (forbidden_dominators): New variable.
3515         (check_forbidden_calls): New function.
3516         (dominated_by_forbidden): Likewise.
3517         (consider_split): Check for forbidden dominators.
3518         (execute_split_functions): Initialize and free forbidden
3519         dominators info; call check_forbidden_calls.
3520
3521 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3522
3523         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3524
3525 2012-01-11  Nick Clifton  <nickc@redhat.com>
3526
3527         * config/rx/rx.md (return): Define pattern.
3528
3529 2012-01-11  Richard Guenther  <rguenther@suse.de>
3530
3531         * doc/extend.texi (malloc attribute): Adjust according to
3532         implementation.
3533
3534 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3535             Patrick Marlier  <patrick.marlier@gmail.com>
3536
3537         PR middle-end/51516
3538         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3539         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3540         (ipa_tm_note_irrevocable): Same.
3541         (ipa_tm_scan_irr_block): Same.
3542         (ipa_tm_decrement_clone_counts): Same.
3543         (ipa_tm_scan_irr_function): Same.
3544         (ipa_tm_create_version_alias): Same.
3545         (ipa_tm_create_version): Same.
3546         (ipa_tm_transform_calls_redirect): Same.
3547         (ipa_tm_transform_calls): Same.
3548         (ipa_tm_transform_transaction): Same.
3549         (ipa_tm_execute): Same.
3550
3551 2012-01-10  Richard Guenther  <rguenther@suse.de>
3552
3553         PR middle-end/51806
3554         * opts.c (common_handle_option): Handle -Werror.
3555
3556 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3557
3558         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3559         operand number.
3560
3561 2012-01-10  Jason Merrill  <jason@redhat.com>
3562
3563         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3564         information.
3565
3566 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3567
3568         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3569         supports R_386_TLS_GD_PLT reloc.
3570         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3571         supports R_386_TLS_LDM_PLT reloc.
3572         * configure: Regenerate.
3573         * config.in: Regenerate.
3574
3575 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3576
3577         PR target/49868
3578         Extend __pgmx semantics to linearize memory.
3579         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3580         determine if code comes inline or from libgcc.
3581         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3582         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3583         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3584         (movmemx_qi, movmemx_hi): New insns.
3585         (xload_<mode>_libgcc): Rewrite to new insn condition.
3586         (xload_<mode>): Remove insns.
3587         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3588         cases that don't satisfy avr_xload_libgcc_p().
3589         (avr_addr_space_convert): Allow converting in any direction.
3590         (avr_addr_space_subset_p): Return always true.
3591         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3592         (avr_emit_movmemhi): Ditto.
3593         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3594         (avr_out_movmem): Ditto.
3595         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3596         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3597         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3598         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3599         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3600
3601 2012-01-10  Richard Guenther  <rguenther@suse.de>
3602
3603         PR tree-optimization/50913
3604         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3605         Require data-refs to be representable by Graphite with respect
3606         to any loop nest.
3607
3608 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3609
3610         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3611         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3612
3613 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3614
3615         PR rtl-optimization/51271
3616         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3617         handling annulled branch.
3618
3619 2012-01-10  Richard Henderson  <rth@redhat.com>
3620
3621         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3622         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3623         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3624         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3625         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3626         arm_expand_vec_perm_const): New.
3627         * config/arm/arm-protos.h: Update.
3628         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3629         (*neon_vswp<VDQX>): New.
3630         (neon_vcombine<VDX>): Use neon_split_vcombine.
3631         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3632         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3633         (vec_perm<VE>): New.
3634
3635 2012-01-10  Richard Henderson  <rth@redhat.com>
3636
3637         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3638         use it if reload_completed.
3639         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3640         arm_output_asm_insn, arm_process_output_memory_barrier,
3641         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3642         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3643         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3644         arm_process_output_sync_insn, arm_output_sync_insn,
3645         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3646         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3647         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3648         (emit_unlikely_jump): New.
3649         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3650         (arm_split_atomic_op): New.
3651         * config/arm/arm-protos.h: Update.
3652         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3653         (struct arm_sync_generator): Remove.
3654         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3655         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3656         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3657         (VUNSPEC_LL, VUNSPEC_SC): New.
3658         (sync_result, sync_memory, sync_required_value, sync_new_value,
3659         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3660         (attr length): Don't use arm_sync_loop_insns.
3661         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3662         (movsfcc, movdfcc): Likewise.
3663         * config/arm/constraints.md (Ua): New.
3664         * config/arm/prediates.md (mem_noofs_operand): New.
3665         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3666         (sync_clobber, sync_t2_reqd): Remove.
3667         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3668         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3669         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3670         (arm_sync_compare_and_swap<SIDI>): Remove.
3671         (arm_sync_compare_and_swap<NARROW>): Remove.
3672         (arm_sync_lock_test_and_set<SIDI>): Remove.
3673         (arm_sync_lock_test_and_set<NARROW>): Remove.
3674         (arm_sync_new_<syncop><SIDI>): Remove.
3675         (arm_sync_new_<syncop><NARROW>): Remove.
3676         (arm_sync_new_nand<SIDI>): Remove.
3677         (arm_sync_new_nand<NARROW>): Remove.
3678         (arm_sync_old_<syncop><SIDI>): Remove.
3679         (arm_sync_old_<syncop><NARROW>): Remove.
3680         (arm_sync_old_nand<SIDI>): Remove.
3681         (arm_sync_old_nand<NARROW>): Remove.
3682         (*memory_barrier): Merge arm_output_memory_barrier.
3683         (atomic_compare_and_swap<QHSD>): New.
3684         (atomic_compare_and_swap<NARROW>_1): New.
3685         (atomic_compare_and_swap<SIDI>_1): New.
3686         (atomic_exchange<QHSD>): New.
3687         (cas_cmp_operand, cas_cmp_str): New.
3688         (atomic_op_operand, atomic_op_str): New.
3689         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3690         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3691         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3692         (arm_load_exclusive<NARROW>): New.
3693         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3694         (arm_store_exclusive<QHSD>): New.
3695
3696 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3697
3698         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3699         reload patterns if -mvsx-scalar-memory.
3700
3701         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3702         generated, even -mno-vsx-scalar-double was used.
3703         (vsx_xscvdpsp_scalar): Likewise.
3704         (vsx_xscvspdp_scalar2): Likewise.
3705
3706 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3707             Andrew Pinski  <apinski@cavium.com>
3708
3709         PR debug/51471
3710         * reorg.c (fill_slots_from_thread): Don't speculate
3711         frame-related insns.
3712
3713 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3714
3715         * sched-int.h (bb_note): Move to...
3716         * basic-block.h: ...here.
3717         * haifa-sched.c (bb_note): Move to...
3718         * cfgrtl.c: ...here.
3719         * function.c (next_block_for_reg): New function.
3720         (move_insn_for_shrink_wrap): Likewise.
3721         (prepare_shrink_wrap): Rewrite to use the above.
3722
3723 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3724
3725         * gimple.c (is_gimple_non_addressable): Remove.
3726         * gimple.h: Remove is_gimple_non_addressable.
3727         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3728         is_gimple_non_addressable.
3729         * trans-mem.c (expand_assign_tm): Same.
3730
3731 2012-01-09  Richard Guenther  <rguenther@suse.de>
3732
3733         PR tree-optimization/51775
3734         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3735         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3736
3737 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3738
3739         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3740         tuning parameters.
3741         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3742
3743 2012-01-09  Richard Guenther  <rguenther@suse.de>
3744
3745         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3746
3747 2012-01-08  Jan Hubicka  <jh@suse.cz>
3748
3749         PR tree-optimize/51680
3750         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3751         on when known_vals needs to be computed; cleanup.
3752
3753 2012-01-08  Jan Hubicka  <jh@suse.cz>
3754
3755         PR tree-optimize/51694
3756         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3757
3758 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3759
3760         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3761         for -std=c++98 and -std=c++11 too.
3762
3763 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3764
3765         * cfgloop.c (cancel_loop): Add free() of bbs array.
3766
3767 2012-01-07  Jan Hubicka  <jh@suse.cz>
3768
3769         PR tree-optimization/51600
3770         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3771         that benefits small functions.
3772
3773 2012-01-07  Jan Hubicka  <jh@suse.cz>
3774
3775         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3776
3777 2012-01-07  Jan Hubicka  <jh@suse.cz>
3778
3779         PR tree-optimization/51680
3780         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3781         whose inlining reduce unit size.
3782
3783 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3784
3785         PR bootstrap/51725
3786         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3787         Add canonical node to containing_mem chain after the non-canonical
3788         one, even if there weren't any locs to propagate.
3789         (remove_useless_values): Keep only canonical values.
3790         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3791         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3792         canonicalize mem_chain elements that are not discarded.
3793
3794 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3795
3796         PR target/47333
3797         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3798         before emitting functions.
3799
3800         PR gcov-profile/50127
3801         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3802         clear_aux_for_blocks.
3803
3804 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3805
3806         PR debug/51746
3807         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3808
3809 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3810
3811         * c-decl.c (ext_block): Moved up.
3812         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3813
3814 2012-01-06  Han Shen  <shenhan@google.com>
3815
3816         Translate built-in include paths for sysroot.
3817         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3818         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3819
3820         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3821         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3822
3823         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3824         control whether sysroot should be prepended to gxx include dir.
3825
3826         * configure: Regenerate.
3827
3828 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3829
3830         PR rtl-optimization/51771
3831         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3832         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3833
3834 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3835
3836         PR tree-optimization/51315
3837         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3838         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3839
3840 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3841
3842         PR target/51681
3843         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3844         for shrp pattern.  Correctly handle and fixup shift variable.
3845         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3846
3847 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3848
3849         PR debug/51762
3850         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3851         note when !ACCUMULATE_OUTGOING_ARGS.
3852
3853 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3854
3855         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3856         condition.
3857         (extract_range_from_unary_expr_1): Avoid useless computations.
3858
3859 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3860
3861         PR rtl-optimization/51767
3862         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3863         of jump_block and add an extra edge for degenerated asm gotos.
3864
3865         PR middle-end/51768
3866         * stmt.c (check_unique_operand_names): Don't ICE during error
3867         reporting if i is from labels chain.
3868
3869         PR middle-end/44777
3870         * profile.c (branch_prob): Split bbs that have exit edge
3871         and need a fake entry edge too.
3872
3873 2012-01-05  Jan Hubicka  <jh@suse.cz>
3874
3875         PR middle-end/49710
3876         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3877         unlooping loops.
3878
3879 2012-01-05  Richard Guenther  <rguenther@suse.de>
3880
3881         PR lto/50490
3882         * tree-streamer-out.c (write_ts_optimization): New function.
3883         (streamer_write_tree_body): Call it.
3884         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3885         (streamer_read_tree_body): Call it.
3886         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3887
3888 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3889
3890         PR middle-end/51761
3891         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3892         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3893         in_cleanup_point_expr before gimplify_stmt call and restore it
3894         afterwards.
3895         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3896         in_cleanup_point_expr is false.
3897
3898 2012-01-05  Richard Guenther  <rguenther@suse.de>
3899
3900         PR middle-end/51764
3901         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3902         to c.opt.
3903         * toplev.c (process_options): Reject combining mudflap and LTO.
3904         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3905
3906 2012-01-05  Richard Guenther  <rguenther@suse.de>
3907
3908         PR tree-optimization/51760
3909         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3910         not VARYING.
3911         (bit_value_unop): Handle UNDEFINED operands.
3912         (bit_value_binop): Likewise.
3913
3914 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3915
3916         * config/avr/avr.c (avr_replace_prefix): Remove.
3917         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3918         (avr_asm_function_rodata_section): Ditto.
3919         (avr_asm_select_section): Ditto.
3920
3921 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3922
3923         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3924         insertion.
3925
3926 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3927
3928         PR bootstrap/51648
3929         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3930         calls that have any non-fake successor edges.
3931
3932         PR debug/51746
3933         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3934
3935 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3936
3937         PR tree-optimization/51624
3938         * tree-sra.c (build_ref_for_model): When replicating a chain of
3939         COMPONENT_REFs, stop as soon as the offset would become negative.
3940
3941 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3942
3943         PR debug/51695
3944         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3945         in .debug_loc on the floor.
3946
3947 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3948
3949         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3950
3951 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3952             Adam Nemet  <anemet@caviumnetworks.com>
3953
3954         * config/mips/mips.md (size): Add SI and DI.
3955         (SIZE): New mode attribute.
3956         (U): New code attribute.
3957         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3958         (mips_lbux_<mode>): Delete.
3959         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3960         (mips_lhx): Use gen_mips_lhx_extsi.
3961         (mips_lhx_<mode>): Delete.
3962         (mips_lwx): Delete.
3963         (mips_l<size>x): New expand.
3964         (mips_lwx_<mode>): Delete.
3965         (mips_l<GPR:size>x_<P:mode>): New pattern.
3966         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3967         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3968         * config/mips/mips.c (mips_lx_address_p): New function.
3969         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3970         (dsp64): New availability predicate.
3971         (mips_builtins): Add an entry for __builtin_mips_ldx.
3972         * config/mips/mips.h (ISA_HAS_LBX): New define.
3973         (ISA_HAS_LBUX): Likewise.
3974         (ISA_HAS_LHX): Likewise.
3975         (ISA_HAS_LHUX): Likewise.
3976         (ISA_HAS_LWX): Likewise.
3977         (ISA_HAS_LWUX): Likewise.
3978         (ISA_HAS_LDX): Likewise.
3979         * doc/extend.texi (__builtin_mips_ldx): Document.
3980
3981 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3982
3983         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3984         when long pointers are used.
3985         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3986         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3987         (ia64-hp-*vms*): Remove.
3988         * config/vms/xm-vms64.h: Delete.
3989
3990 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3991
3992         PR middle-end/51472
3993         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3994
3995 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3996
3997         * opts.c (finish_options): Remove duplicate sorry.
3998
3999 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4000
4001         PR middle-end/51696
4002         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4003         correctly.
4004
4005 2012-01-04  Richard Guenther  <rguenther@suse.de>
4006
4007         PR middle-end/51750
4008         * tree.c (size_low_cst): New function.
4009         * tree.h (size_low_cst): Declare.
4010         * fold-const.c (fold_comparison): Use it to extract the low
4011         part of the POINTER_PLUS_EXPR offset.
4012
4013 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4014
4015         Fix clearing ZERO_REG
4016         * config/avr/avr.md (cc): Add alternative "ldi".
4017         (movqi_insn): Use it in cc attribute.
4018         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4019         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4020         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4021
4022 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4023
4024         * configure: Regenerate.
4025
4026 2012-01-04  Richard Guenther  <rguenther@suse.de>
4027
4028         PR tree-optimization/49651
4029         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4030         (var_can_have_subvars): Use it.
4031         (get_constraint_for_1): Only consider subfields if there can be any.
4032
4033 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4034
4035         PR bootstrap/51725
4036         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4037         to its new canonical_cselib_val and the cselib_val was in
4038         first_containing_mem chain, but the canonical_cselib_val was not,
4039         add the latter into the chain.
4040         (cselib_invalidate_mem): Compare canonical_cselib_val of
4041         addr_list chain elt with v.
4042
4043         PR pch/51722
4044         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
4045         dwarf2out_undef): Allocate e.info using ggc_strdup instead
4046         of xstrdup.
4047         (output_macinfo_op): Don't ggc_strdup fd->filename.
4048         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
4049         then ggc_strdup it.  Don't free inc->info or cur->info.
4050         (output_macinfo): Don't free ref->info or file->info.
4051
4052 2012-01-03  Ira Rosen  <irar@il.ibm.com>
4053
4054         PR tree-optimization/51269
4055         * tree-vect-loop-manip.c (set_prologue_iterations): Make
4056         first_niters a pointer.
4057         (slpeel_tree_peel_loop_to_edge): Likewise.
4058         (vect_do_peeling_for_loop_bound): Update call to
4059         slpeel_tree_peel_loop_to_edge.
4060         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
4061         here.  Remove it from the parameters list.
4062         (vect_do_peeling_for_alignment): Update calls and compute
4063         wide_prolog_niters.
4064
4065 2012-01-03  Richard Guenther  <rguenther@suse.de>
4066
4067         PR tree-optimization/51070
4068         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
4069         Properly handle calls.
4070
4071 2012-01-03  Richard Guenther  <rguenther@suse.de>
4072
4073         PR tree-optimization/51692
4074         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
4075         the LHS of allocation stmts.
4076
4077 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4078
4079         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
4080
4081 2012-01-03  Olivier Hainque  <hainque@adacore.com>
4082
4083         * collect2.c (main): In AIX specific computations for vector
4084         insertions, use CONST_CAST2 to cast from char ** to const char **.
4085
4086 2012-01-03  Richard Guenther  <rguenther@suse.de>
4087
4088         PR debug/51650
4089         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
4090         the context of a limbo DIE when it does not already exist.
4091
4092 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4093
4094         PR tree-optimization/51719
4095         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
4096         but direct call is, clear direct call's lhs and don't add fallthrough
4097         edge from dcall_bb to join_bb and PHIs.
4098
4099 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4100
4101         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
4102         the instructions emitted by the pattern.
4103         ("*TDC_insn_<mode>"): Add comment.
4104
4105 2012-01-03  Richard Guenther  <rguenther@suse.de>
4106
4107         PR middle-end/51730
4108         * fold-const.c (fold_comparison): Properly canonicalize
4109         tree offset and HOST_WIDE_INT bit position.
4110
4111 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
4112
4113         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
4114         operands for extzv pattern.
4115
4116 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4117
4118         PR bootstrap/51725
4119         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
4120         on mem_elt first.
4121
4122 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
4123
4124         * doc/invoke.texi (-flto and related options): Copy-edit.
4125
4126 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4127
4128         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
4129
4130 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4131
4132         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
4133         New patterns.
4134
4135 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
4136
4137         * expr.h (move_by_pieces_ninsns): Declare.
4138         * expr.c (move_by_pieces_ninsns): Make external.
4139         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
4140         (mips_store_by_pieces_p): Likewise.
4141         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
4142         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
4143         * config/mips/mips.c (mips_move_by_pieces_p): New function.
4144         (mips_store_by_pieces_p): Likewise.
4145
4146 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
4147
4148         * passes.c (register_one_dump_file): Free full_name.
4149
4150         * reload1.c (reload): Don't allocate reg_max_ref_width here.
4151         (calculate_elim_costs_all_insns): Free offsets_at and
4152         offsets_known_at at the end and clear the pointers.
4153
4154 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4155
4156         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
4157         this option introduced in r180739.
4158
4159 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4160
4161         PR target/51345
4162         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
4163         (tmake_file target=avr): Add avr/t-multilib.
4164
4165         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
4166         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
4167         * config/avr/genmultilib.awk: New file.
4168         * config/avr/t-multilib: New auto-generated file.
4169         * config/avr/multilib.h: New auto-generated file.
4170         * config/avr/t-avr (AVR_MCUS): New variable.
4171         (genopt.sh): Use it.
4172         (s-mlib): Depend on t-multilib.
4173         (t-multilib, multilib.h): New dependencies.
4174         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
4175         (MULTILIB_OPTIONS): Remove.
4176         (MULTILIB_MATCHES): Remove.
4177         (MULTILIB_DIRNAMES): Remove.
4178         (MULTILIB_EXCEPTIONS): Remove:
4179         * config/avr/genopt.sh: Don't use hard coded file name;
4180         pass AVR_MCUS from t-avr instead.
4181
4182 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4183
4184         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
4185
4186 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
4187
4188         Implement light-weight DImode support.
4189         * config/avr/avr-dimode.md: New file.
4190         * config/avr/avr.md: Include it.
4191         (adjust_len): Add plus64, compare64.
4192         (HIDI): Remove code iterator.
4193         (code_stdname): New code attribute.
4194         (rotx, rotsmode): Remove DI.
4195         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
4196         as code iterator.
4197         * config/avr/avr-protos.h (avr_have_dimode): New.
4198         (avr_out_plus64, avr_out_compare64): New.
4199         * config/avr/avr.c (avr_out_compare): Handle DImode.
4200         (avr_have_dimode): New variable definition and initialization.
4201         (avr_out_compare64, avr_out_plus64): New functions.
4202         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
4203         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
4204         (avr_compare_pattern): Skip DImode comparisons.
4205
4206 2012-01-02  Revital Eres  <revital.eres@linaro.org>
4207
4208         * ddg.c (def_has_ccmode_p): New function.
4209         (add_cross_iteration_register_deps,
4210         create_ddg_dep_from_intra_loop_link): Call it.
4211
4212 2012-01-02  Richard Guenther  <rguenther@suse.de>
4213
4214         PR other/51679
4215         * invoke.texi (fassociative-math): Remove spurious paranthesis.
4216
4217 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4218
4219         * gcc.c (process_command): Update copyright notice dates.
4220         * gcov.c (print_version): Likewise.
4221         * gcov-dump.c (print_version): Likewise.
4222         * mips-tfile.c (main): Likewise.
4223         * mips-tdump.c (main): Likewise.
4224
4225 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4226
4227         PR tree-optimization/51704
4228         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4229         a use is inside the basic block or loop before accessing its vect info.
4230
4231 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4232
4233         PR rtl-optimization/51069
4234         * cfgloopmanip.c (remove_path): Removing path making irreducible
4235         region unconditional makes BB part of the region.
4236
4237 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4238
4239         PR tree-optimization/51683
4240         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4241         calls with side-effects.
4242         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4243 \f
4244 Copyright (C) 2012 Free Software Foundation, Inc.
4245
4246 Copying and distribution of this file, with or without modification,
4247 are permitted in any medium without royalty provided the copyright
4248 notice and this notice are preserved.