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* tree-vect-patterns.c (vect_single_imm_use): Correct return
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-05-04  Ian Lance Taylor  <iant@google.com>
2
3         * tree-vect-patterns.c (vect_single_imm_use): Correct return
4         values from false to NULL.
5
6 2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
7
8         Backport from mainline
9         2012-05-04  Uros Bizjak  <ubizjak@gmail.com>
10
11         PR target/53228
12         * config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
13         (TARGET_CMOV): Rename from TARGET_CMOVE.
14         (TARGET_CMOVE): New define.
15         * config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
16         Do not set TARGET_CMOVE here.
17
18 2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
19
20         Backport from mainline:
21
22         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
23
24         PR tree-optimization/52633
25         * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Swap order of
26         vect_recog_widen_shift_pattern and vect_recog_over_widening_pattern.
27         (vect_recog_over_widening_pattern): Remove handling of code that was
28         already detected as over-widening pattern.  Remove special handling
29         of "unsigned" cases.  Instead, support general case of conversion
30         of the shift result to another type.
31
32         2012-05-04  Ulrich Weigand  <ulrich.weigand@linaro.org>
33
34         * tree-vect-patterns.c (vect_single_imm_use): New function.
35         (vect_recog_widen_mult_pattern): Use it instead of open-coding loop.
36         (vect_recog_over_widening_pattern): Likewise.
37         (vect_recog_widen_shift_pattern): Likewise.
38
39         2012-04-10  Ulrich Weigand  <ulrich.weigand@linaro.org>
40
41         PR tree-optimization/52870
42         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Verify that
43         presumed pattern statement is within the same loop or basic block.
44
45 2012-05-04  Richard Guenther  <rguenther@suse.de>
46
47         * common.opt (flto-report): Do not mark as Optimization.
48
49 2012-05-04  Eric Botcazou  <ebotcazou@adacore.com>
50
51         PR target/48496
52         * recog.c (constrain_operands): If extra constraints are present, also
53         accept pseudo-registers with equivalent memory locations during reload.
54
55 2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
56
57         Backport from the mainline
58         2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
59
60         PR target/53199
61         * config/rs6000/rs6000.md (bswapdi splitters): If
62         -mavoid-indexed-addresses (or -mcpu=power6 which sets it by
63         default) is used, generate an alternate sequence that does not
64         depend on using indexed addressing.
65
66 2012-05-03  David S. Miller  <davem@davemloft.net>
67
68         PR target/52684
69         * config/sparc/sparc.c (emit_soft_tfmode_libcall): If we pass a
70         MEM directly into a libcall, mark it's MEM_EXPR as addressable.
71         (sparc_emit_float_lib_cmp): Likewise.
72
73 2012-05-04  Martin Jambor  <mjambor@suse.cz>
74
75         Backport from mainline
76         2012-05-02  Martin Jambor  <mjambor@suse.cz>
77
78         PR lto/52605
79         * dwarf2out.c (dwarf2out_decl): Only lookup die representing context
80         of a variable when the contect is a function.
81
82 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
83
84         PR plugins/53126
85         * gcc-ar.c (main): If GCC_EXEC_PREFIX is set in env,
86         append program name to it and pass that as first argument
87         to make_relative_prefix.  Always pass standard_libexec_prefix
88         as last argument to make_relative_prefix.  If
89         make_relative_prefix returns NULL, fall back to
90         standard_libexec_prefix.
91
92         PR debug/53174
93         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
94         removed.
95
96         PR target/53187
97         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
98         mode, return that mode.
99
100 2012-05-03  Richard Guenther  <rguenther@suse.de>
101
102         PR tree-optimization/53144
103         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
104         Rename to ...
105         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
106         with SSA name values.
107         (vn_reference_lookup_3): Adjust callers.
108
109 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
110
111         PR tree-optimization/53163
112         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
113         return value from compute_all_dependences.
114
115         PR rtl-optimization/53160
116         * ree.c (combine_reaching_defs): Handle the case where cand->insn
117         has been modified by ree pass already.
118
119 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
120
121         Backport from mainline
122         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
123
124         PR middle-end/53136
125         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
126         calls to cgraph_node_name in xstrdup.
127         (ipa_make_edge_direct_to_target): Ditto.
128         * tree-sra.c (convert_callers_for_node): Ditto.
129         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
130         * ipa-cp.c (perhaps_add_new_callers): Ditto.
131         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
132         (cgraph_materialize_all_clones): Ditto.
133         * ipa-inline.c (report_inline_failed_reason): Ditto.
134         (want_early_inline_function_p): Ditto.
135         (edge_badness): Ditto.
136         (update_edge_key): Ditto.
137         (flatten_function): Ditto.
138         (ipa_inline): Ditto.
139         (inline_always_inline_functions): Ditto.
140         (early_inline_small_functions): Ditto.
141
142 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
143
144         Backport from mainline
145         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
146
147         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
148         Introduce emul_name to select the right linker emulation for
149         powerpc64-*-freebsd*.
150         * configure: Regenerate.
151         * config.gcc: Add bits to support powerpc64-*-freebsd*.
152         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
153         * config/rs6000/freebsd64.h: New file.
154         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
155         POWERPC_FREEBSD.
156         (rs6000_savres_strategy): Likewise.
157         (rs6000_savres_routine_name): Likewise.
158         (rs6000_elf_file_end): Likewise.
159         * config/rs6000/t-freebsd64: New file.
160         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
161         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
162
163 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
164
165         Backport from mainline
166         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
167
168         PR target/53138
169         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
170
171 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
172
173         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
174         predicate to discriminate types.
175
176 2012-04-27  Richard Guenther  <rguenther@suse.de>
177
178         PR c/51527
179         * convert.c (convert_to_integer): Avoid infinite recursion for
180         target-defined built-in types.
181
182 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
183
184         PR target/53120
185         * config/cris/cris.md ("*andhi_lowpart_v32")
186         ("*andqi_lowpart_v32"): Change first input-only operand from
187         a (match_operand ...) to (match_dup 0).  Drop alternatives with
188         const_int-matching constraints for redundancy.
189         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
190         three-operand alternative.
191
192 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
193
194         Backport from mainline
195         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
196
197         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
198         (*addsi_2_zext): Ditto.
199         (*add<mode>_3): Ditto.
200         (*addsi_3_zext): Ditto.
201         (*add<mode>_5): Ditto.
202
203 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
204
205         PR c/52880
206         * c-typeck.c (set_nonincremental_init,
207         set_nonincremental_init_from_string): Pass true instead of false
208         as IMPLICIT to add_pending_init.
209
210 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
211
212         Backport from 2012-04-24 mainline r186768.
213
214         PR target/53065
215         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
216
217 2012-04-24  Richard Guenther  <rguenther@suse.de>
218
219         PR tree-optimization/53085
220         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
221         stores.
222
223 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
224
225         PR middle-end/53084
226         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
227         of MEM_REF.
228         (output_addressed_constants): Likewise.
229
230         PR middle-end/52999
231         * varasm.c (get_section): Don't ICE for section conflicts with
232         built-in section kinds.
233
234 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
235
236         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
237
238 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
239
240         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
241
242 2012-04-23  Richard Guenther  <rguenther@suse.de>
243
244         PR c/53060
245         * c-typeck.c (build_binary_op): Fix typo.
246
247 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
248
249         PR tree-optimizations/52891
250         * tree-vect-patterns.c (adjust_bool_pattern): Use
251         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
252         but with non-standard precision.
253
254 2012-04-22  Ian Lance Taylor  <iant@google.com>
255
256         * godump.c (go_output_typedef): Dump size of structs.
257
258 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
259
260         Backport from mainline:
261
262         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
263         hints for 'A' operand types.
264
265 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
266
267         Backport from 2012-04-19 mainline r186588.
268
269         PR target/53033
270         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
271         the case *(X+const).
272
273 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
274
275         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
276
277 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
278
279         PR target/53020
280         * config/i386/sync.md (atomic_<code><mode>): Rename to
281         atomic_<logic><mode>.
282
283 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
284
285         Backport from mainline
286         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
287
288         PR target/52932
289         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
290         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
291         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
292         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
293         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
294         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
295         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
296         gen_avx2_permvarv8sf.
297
298 2012-04-16  Martin Jambor  <mjambor@suse.cz>
299
300         Backported from mainline
301
302         2012-04-13  Martin Jambor  <mjambor@suse.cz>
303         PR middle-end/52939
304
305         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
306         fold_ctor_reference returns a zero constant.
307
308 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
309
310         Backported from mainline
311         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
312
313         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
314         and __ILP32__ for x32.
315
316 2012-04-13  Tom de Vries  <tom@codesourcery.com>
317
318         Backport from mainline r186418.
319
320         2012-04-13  Tom de Vries  <tom@codesourcery.com>
321
322         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
323         parameters vuse and vuse_escaped.
324         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
325         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
326         vuse1 != vuse2.
327
328 2012-04-13  Richard Guenther  <rguenther@suse.de>
329
330         PR tree-optimization/52969
331         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
332         the condition for the COND_EXPR and handle predicate negation
333         by swapping the COND_EXPR arms.
334
335 2012-04-13  Richard Guenther  <rguenther@suse.de>
336
337         PR c/52862
338         * convert.c (convert_to_pointer): Remove special-casing of
339         zero.
340
341 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
342
343         Backport from mainline
344         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
345
346         PR target/52775
347         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
348         the list of options to enable the FCFID instruction.
349         (TARGET_EXTRA_BUILTINS): Adjust comment.
350
351 2012-04-12  Richard Guenther  <rguenther@suse.de>
352
353         PR tree-optimization/52943
354         * tree-chrec.h (chrec_is_positive): Remove.
355         * tree-scalar-evolution.c (chrec_is_positive): Move ...
356         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
357         Return false for a constant zero instead of negative.
358         (analyze_siv_subscript_cst_affine): Handle zero difference
359         in the initial condition explicitely.
360
361 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
362
363         PR middle-end/52894
364         * varasm.c (process_pending_assemble_externals): Set
365         pending_assemble_externals_processed true.
366         (assemble_external): Call assemble_external_real if the pending
367         assemble externals have been processed.
368
369 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
370
371         PR target/52717
372         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
373         the DECL generated for the special GOT helper.
374
375 2012-04-06  Walter Lee  <walt@tilera.com>
376
377         Backport from mainline
378         2012-03-07  Walter Lee  <walt@tilera.com>
379
380         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
381         REG_CFA_* notes for the stack pointer.
382         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
383         EH_RETURN_STACKADJ_RTX.
384         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
385         generate REG_CFA_* notes for the stack pointer.
386         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
387         by EH_RETURN_STACKADJ_RTX.
388
389 2012-04-06  Matt Turner  <mattst88@gmail.com>
390
391         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
392
393 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
394
395         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
396         of the destination isn't also a FP_REGS register.
397
398 2012-04-03  Richard Guenther  <rguenther@suse.de>
399
400         Backport from mainline
401         2012-03-02  Richard Guenther  <rguenther@suse.de>
402
403         PR tree-optimization/52406
404         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
405         (struct indices): Add unconstrained_base member.
406         (struct dr_alias): Remove unused vops member.
407         (DR_UNCONSTRAINED_BASE): New define.
408         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
409         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
410         be an artificial access that covers the whole indexed object,
411         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
412         plain decl base-objects to their MEM_REF variant.
413         (dr_may_alias_p): When the base-object of either data reference
414         has unknown size use only points-to information.
415         (compute_affine_dependence): Make dumps easier to read and
416         more verbose.
417         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
418         DR_REF when looking for packed references.
419         (vect_supportable_dr_alignment): Likewise.
420
421 2012-04-03  Richard Guenther  <rguenther@suse.de>
422
423         Backport from mainline
424         2012-03-15  Richard Guenther  <rguenther@suse.de>
425
426         PR middle-end/52580
427         * tree-data-ref.c (subscript_dependence_tester_1): Check
428         all dimensions for non-conflicting access functions.
429
430 2012-04-03  Richard Guenther  <rguenther@suse.de>
431
432         Backport from mainline
433         2012-03-06  Richard Guenther  <rguenther@suse.de>
434
435         PR middle-end/52493
436         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
437
438         2012-03-23  Richard Guenther  <rguenther@suse.de>
439
440         PR tree-optimization/52678
441         * tree-vectorizer.h (struct _stmt_vec_info): Add
442         loop_phi_evolution_part member.
443         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
444         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
445         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
446         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
447         Use the cached evolution part and the PHI nodes value from
448         the loop preheader edge instead of re-analyzing the evolution.
449
450         2012-03-26  Richard Guenther  <rguenther@suse.de>
451
452         PR tree-optimization/52701
453         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
454         compute and set the evolution part of PHI nodes.
455
456         2012-03-30  Richard Guenther  <rguenther@suse.de>
457
458         PR tree-optimization/52754
459         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
460         propagate arbitrary addresses into really plain dereferences.
461
462 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
463
464         PR tree-optimization/52835
465         * tree-data-ref.c (build_rdg): Return NULL if
466         compute_data_dependences_for_loop failed.
467
468 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
469
470         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
471         (stmt_can_make_abnormal_goto): Use it.
472         (is_ctrl_altering_stmt): Likewise.
473
474 2012-03-31  Martin Jambor  <mjambor@suse.cz>
475
476         Backported from mainline
477         2012-03-30  Martin Jambor  <mjambor@suse.cz>
478
479         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
480         is a builtin_stack_save in a dominating BB.
481
482 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
483
484         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
485         crossing 128bit lane boundary.
486
487 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
488
489         Backported from mainline
490         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
491
492         PR target/52698
493         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
494         New prototype.
495         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
496         * config/i386/i386.c: Include reload.h.
497         (ix86_legitimize_reload_address): New function.
498
499 2012-03-28  Martin Jambor  <mjambor@suse.cz>
500
501         Backported from mainline
502         2012-03-27  Martin Jambor  <mjambor@suse.cz>
503
504         PR middle-end/52693
505         * tree-sra.c (sra_modify_assign): Do not call
506         load_assign_lhs_subreplacements when working with an unscalarizable
507         region.
508
509 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
510
511         PR middle-end/52691
512         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
513         __builtin_va_start to __builtin_next_arg if the latter is
514         builtin_decl_explicit_p rather than when it is not.
515
516         PR middle-end/52750
517         * tree-vect-generic.c (vector_element): Perform multiplication
518         for pos in bitsizetype type instead of idx type.
519
520 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
521
522         Backport from 2012-03-28 mainline r185910.
523
524         PR target/52692
525         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
526         (avr_builtin_decl): New static function.
527         (struct avr_builtin_description, avr_bdesc): Move up.
528         Add GTY marker. Add field fndecl. Remove redundant field id.
529         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
530         (avr_expand_builtin): Code cleanup because .id is removed.
531
532 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
533
534         PR middle-end/51893
535         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
536         targets.
537
538 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
539
540         Backport from 2012-03-28 mainline r185907.
541
542         PR target/52737
543         * config.gcc (tm_file): Remove avr/multilib.h.
544
545         * doc/invoke.texi (AVR Options): Adjust
546         documentation of -mtiny-stack.
547
548         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
549         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
550         * config/avr/t-avr: Remove generation of multilib.h.
551         * config/avr/t-multilib: Regenerate.
552         * config/avr/multilib.h: Remove.
553         * config/avr/avr.opt (-msp8): New option.
554         (avr_sp8): New variable.
555         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
556         * config/avr/avr.h (AVR_HAVE_SPH): New define.
557         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
558         (avr_device_to_sp8): New prototype.
559         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
560         (DRIVER_SELF_SPECS): New define.
561         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
562         __AVR_SP8__, __AVR_HAVE_SPH__.
563         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
564         AVR_HAVE_8BIT_SP to decide if SP_H is present.
565         (avr_file_start): Ditto.
566
567 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
568
569         PR target/52736
570         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
571         instead of 8 in adjust_address.
572
573 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
574
575         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
576         of a unit before computing the offset in units.
577
578 2012-03-27  Richard Guenther  <rguenther@suse.de>
579
580         PR middle-end/52720
581         * fold-const.c (try_move_mult_to_index): Handle &x.array more
582         explicitely.
583
584 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
585
586         PR target/52610
587         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
588
589 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
590
591         PR middle-end/52640
592         * varasm.c: Include pointer-set.h.
593         (pending_assemble_externals_set): New pointer set.
594         (process_pending_assemble_externals): Destroy the pointer set.
595         (assemble_external): See if decl is in pending_assemble_externals_set,
596         and add it to pending_assemble_externals if necessary.
597         (init_varasm_once): Allocate pending_assemble_externals_set.
598
599 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
600
601         Backported from mainline
602         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
603
604         PR target/50310
605         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
606         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
607         (vector_ltgt<mode>): Likewise.
608         (vector_ordered<mode>): Likewise.
609         (vector_unordered<mode>): Likewise.
610         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
611
612 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
613
614         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
615         Make static.
616
617 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
618
619         Backported from mainline
620         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
621
622         PR target/48596
623         PR target/48806
624         * config/sh/sh.c (sh_register_move_cost): Increase cost between
625         GENERAL_REGS and FP_REGS for SImode.
626
627 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
628
629         PR middle-end/52547
630         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
631         on any new_local_var_chain vars declared during recursing on
632         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
633
634 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
635
636         Backport from 2012-03-22 mainline r185692.
637
638         PR target/52496
639         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
640         (unspecv): Add UNSPECV_MEMORY_BARRIER.
641         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
642         (delay_cycles_1, delay_cycles_2): Ditto.
643         (delay_cycles_3, delay_cycles_4): Ditto.
644         (nopv, *nopv): Ditto.
645         (sleep, *sleep): Ditto.
646         (wdr, *wdr): Ditto.
647
648         Backport from 2012-03-21 mainline r185605.
649
650         PR rtl-optimization/52543
651         PR target/52461
652         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
653         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
654         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
655         (avr_load_libgcc_p): Restrict to __flash loads.
656         (avr_out_lpm): Only handle 1-byte loads from __flash.
657         (avr_load_lpm): New function.
658         (avr_find_unused_d_reg): Remove.
659         (avr_out_lpm_no_lpmx): Remove.
660         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
661         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
662         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
663         (load_<mode>, load_<mode>_clobber): New insns.
664         (mov<mode>): For multi-byte move from non-generic
665         16-bit address spaces: Expand to load_<mode> resp.
666         load_<mode>_clobber.
667         (load<mode>_libgcc): Remove expander.
668         (split-lpmx): Remove split.
669
670         Backport from 2012-03-13 mainline r185329.
671
672         PR target/52488
673         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
674         offset (size) to a value the insns can deal with.
675         (expand_epilogue): Ditto.
676
677         Backport from 2012-03-12 mainline r185256.
678
679         PR target/52499
680         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
681         type from reg_class_t to enum reg_class.
682         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
683
684         Backport from 2012-03-12 mainline r185253.
685
686         PR target/52148
687         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
688         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
689         r184615 from 2012-02-28.
690
691         Backport from 2012-03-08 mainline r185105.
692
693         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
694         for constants in [-63,63].
695
696         Backport from 2012-03-08 mainline r185100.
697
698         PR target/52496
699         * config/avr/avr.c (avr_mem_clobber): New static function.
700         (avr_expand_delay_cycles): Add memory clobber operand to
701         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
702         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
703         (enable_interrupt, disable_interrupt): New expander.
704         (nopv, sleep, wdr): New expanders.
705         (delay_cycles_1): Add memory clobber.
706         (delay_cycles_2): Add memory clobber.
707         (delay_cycles_3): Add memory clobber.
708         (delay_cycles_4): Add memory clobber.
709         (cli_sei): New insn from former "enable_interrupt",
710         "disable_interrupt" with memory clobber.
711         (*wdt): New insn from former "wdt" with memory clobber.
712         (*nopv): Similar, but for "nopv".
713         (*sleep): Similar, but for "sleep".
714
715         Backport from 2012-03-07 mainline r185043.
716
717         PR target/52484
718         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
719
720         Backport from 2012-03-07 mainline r185032.
721
722         PR target/52506
723         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
724         to: RAMPZ, RAMPY, RAMPX, RAMPD.
725         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
726
727         Backport from 2012-03-07 mainline r185031.
728
729         PR target/52505
730         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
731         from RAM.
732         * config/avr/avr.md (xload_8): Adjust insn length.
733
734         Backport from 2012-03-07 mainline r185030.
735
736         PR target/52461
737         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
738         if RAMPZ affects reading from RAM.
739
740         Backport from 2012-03-05 mainline r184919.
741
742         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
743
744 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
745
746         Backport from mainline r185259.
747
748         PR other/52545
749         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
750         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
751
752 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
753
754         Backported from mainline
755         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
756
757         PR c/52577
758         * c-parser.c (c_parser_postfix_expression)
759         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
760
761         * config/i386/smmintrin.h: Avoid /* within a comment.
762         * config/i386/nmmintrin.h: Likewise.
763
764 2012-03-22  Richard Guenther  <rguenther@suse.de>
765
766         * BASE-VER: Set to 4.7.1.
767         * DEV-PHASE: Set to prerelease.
768
769 2012-03-22  Release Manager
770
771         * GCC 4.7.0 released.
772
773 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
774
775         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
776
777 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
778             Andrew Pinski  <apinski@cavium.com>
779
780         PR middle-end/52592
781         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
782         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
783         calls instead of __builtin_ir{int,ound}*.
784
785 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
786
787         PR c++/52582
788         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
789         if c_node is NULL.
790
791 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
792
793         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
794         Refer to GCC 4.7 version of c99status.html.
795
796 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
797
798         Backport from mainline
799         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
800
801         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
802         redefine to be NULL if the current bit-size is different from the
803         configured bit-size.
804
805         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
806         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
807         set the default tuning.  Add asserts to make sure the cpu and tune
808         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
809         test whether the index is set, instead of > 0.
810         (rs6000_file_start): Do not reset the default cpu if the current
811         bit-size is different from the configured bit-size.
812
813 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
814
815         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
816         binutils reference.
817         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
818         Update binutils references.
819         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
820         Update binutils reference.
821         Update Sun as/GNU ld caveat.
822         Document binutils largefile requirement for LTO plugin.
823         Remove reference to alternate libpthread.
824
825 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
826
827         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
828         reference.
829         (Specific, mips-sgi-irix6): Likewise.
830
831 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
832
833         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
834         * configure: Regenerate.
835
836 2012-03-07  Richard Henderson  <rth@redhat.com>
837
838         * config/m68k/m68k.h (ISA_HAS_TAS): New.
839         * config/m68k/sync.md (atomic_test_and_set): Use it.
840         (atomic_test_and_set_1): Likewise.
841
842 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
843
844         PR target/51417
845         * Makefile.in: Let install-gcc-ar depend on installdirs,
846         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
847         Don't double canonicalize if cross-compiling.
848
849 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
850
851         * trans-mem.c: New typedef for tm_region_p.
852         Define vector types for tm_region_p.
853         (tm_region_init): Replace region_worklist to a vector called
854         bb_regions.
855
856 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
857
858         PR middle-end/52463
859         * trans-mem.c (tm_region_init): Use last_basic_block.
860
861 2012-03-05  Richard Henderson  <rth@redhat.com>
862
863         PR tree-opt/52242
864         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
865         * omp-low.c (expand_omp_atomic): Assume anything aligned to
866         BIGGEST_ALIGNMENT is aligned.
867
868 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
869
870         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
871
872 2012-03-05  Richard Henderson  <rth@redhat.com>
873
874         PR target/52481
875         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
876         instead of calling negqi2 directly.
877
878 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
879
880         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
881         (INTMAX_TYPE): Use it.
882         (UINTMAX_TYPE): Likewise.
883         (SUBTARGET_OVERRIDE_OPTIONS): Define.
884         (irix6_c_common_override_options): Declare.
885         (C_COMMON_OVERRIDE_OPTIONS): Define.
886         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
887         * config/mips/irix6-c.c: New file.
888         * config/mips/t-irix6 (irix6-c.o): New target.
889         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
890         cxx_target_objs.
891
892 2012-03-02  Richard Henderson  <rth@redhat.com>
893
894         * optabs.c (expand_atomic_test_and_set): Honor
895         atomic_test_and_set_trueval even when atomic_test_and_set
896         optab is not in use.
897
898 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
899
900         Backport from mainline
901         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
902
903         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
904
905 2012-03-02  Richard Guenther  <rguenther@suse.de>
906
907         * DEV-PHASE: Set to prerelease.
908
909 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
910
911         * config.gcc (obsolete): Add all ARM targets using the FPA.
912         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
913         * doc/install.texi: Avoid references to obsolete ARM ports.
914
915 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
916
917         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
918
919 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
920             Joern Rennecke  <joern.rennecke@embecosm.com>
921
922         * doc/extend.texi: Expand and update information on interrupt
923         attribute for Epiphany.
924
925 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
926
927         * config/sh/sh-protos.h: Update copyright notice dates.
928         * config/sh/sh.h: Likewise.
929         * config/sh/sh.md: Likewise.
930         * config/sh/constraints.md: Likewise.
931         * config/sh/predicates.md: Likewise.
932
933 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
934
935         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
936         * config/sh/sh.c (tertiary_reload_operand): Likewise.
937
938 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
939
940         * config/sh/constraints.md: Fix comment typo.
941
942 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
943
944         PR target/52408
945         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
946         unsigned HOST_WIDE_INT.
947         (zvdep_imm64): Likewise.
948         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
949         (vdepi_and): Likewise.
950         Likewise for unamed 64-bit patterns.
951         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
952
953 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
954
955         PR debug/52001
956         PR rtl-optimization/52417
957         * cselib.c (cselib_any_perm_equivs): New variable.
958         (cselib_reset_table): Check that it's not set when not
959         preserving constants.
960         (cselib_add_permanent_equiv): Set it.
961         (cselib_have_permanent_equivalences): New.
962         (cselib_init, cselib_finish): Reset it.
963         * cselib.h (cselib_have_permanent_equivalences): Declare.
964         * alias.c (get_addr): Restore earlier behavior when there
965         aren't permanent equivalences.
966
967 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
968
969         * config/mn10300/mn10300-modes.def: Fix copyright notice.
970         * config/v850/v850-modes.def: Fix copyright notice.
971
972 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
973
974         * doc/extend.texi (AVR Built-in Functions): Document
975         __builtin_avr_flash_segment.
976
977         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
978         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
979         (*split.flash_segment): New insn-and-split.
980         * config/avr/avr.c (avr_init_builtins): Add local variables:
981         const_memx_void_node, const_memx_ptr_type_node,
982         char_ftype_const_memx_ptr.
983
984 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
985
986         PR tree-optimization/52445
987         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
988         add ssa_name_ver, offset and size fields and change store field
989         to bool.
990         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
991         (add_or_mark_expr): Likewise.  Only consider previous stores
992         with the same size and offset.
993         (nt_init_block): Only look at gimple_assign_single_p stmts,
994         doesn't look at rhs2.
995
996 2012-03-01  Richard Guenther  <rguenther@suse.de>
997
998         PR middle-end/52443
999         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1000         conversions from integral types to pointer types.
1001
1002 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1003
1004         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1005         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1006         unintentionally removed in r184616.
1007
1008 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1009
1010         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1011         3DNow from bdver1.
1012
1013 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1014             Uros Bizjak  <ubizjak@gmail.com>
1015
1016         PR target/52437
1017         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1018         alternatives, add "e" constraint to the new last alternative
1019         and ! to last 3 alternatives.
1020
1021 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1022
1023         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1024         DW_AT_artificial attributes at the end of the processing.
1025         (gen_array_type_die): Likewise.
1026         (gen_enumeration_type_die): Likewise.
1027         (gen_struct_or_union_type_die): Likewise.
1028         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1029         the parent type.
1030
1031 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1032
1033         PR middle-end/52419
1034         * expr.c (expand_assignment): If doing misaligned store that doesn't
1035         cover all mode bits, perform a RMW cycle.
1036
1037         PR tree-optimization/52429
1038         * tree-parloops.c (separate_decls_in_region_debug): Return early
1039         if var is LABEL_DECL.
1040
1041 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1042
1043         PR tree-optimization/52424
1044         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1045         calling dom_thread_across_edge.
1046
1047 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1048
1049         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1050
1051 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1052
1053         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1054         * config/avr/avr.c (avr_output_bld): Remove unused function.
1055         (avr_out_sbxx_branch): Use "%T" to print bit position.
1056
1057 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1058
1059         * config/avr/avr.md: Untabify.
1060
1061 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1062
1063         * config/avr/avr.md (eqne): New code iterator.
1064         (*dec-and-branchsi): Use it in text peephole's condition.
1065         (*dec-and-branchhi): Ditto.
1066         (*dec-and-branchqi): Ditto.
1067
1068 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1069
1070         PR target/49939
1071         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1072         the device does not have the skip-bug.
1073
1074 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1075
1076         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1077         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1078         -mpretend-cmove): New.
1079
1080 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1081
1082         PR bootstrap/52397
1083         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1084         doesn't count DEBUG_INSN refs.
1085         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1086         for DEBUG_INSN refs.
1087
1088 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1089
1090         Partially revert:
1091
1092         2012-02-20  Richard Guenther  <rguenther@suse.de>
1093         PR tree-optimization/52298
1094         * tree-vect-stmts.c (vectorizable_load): Properly use
1095         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1096         outer loops.
1097
1098 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1099
1100         PR middle-end/51752
1101         * gimple.h (gimple_in_transaction): New.
1102         (gimple_set_in_transaction): New.
1103         (struct gimple_statement_base): Add in_transaction field.
1104         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1105         transaction loads.
1106         (tree_ssa_lim_initialize): Compute transaction bits.
1107         * tree.h (compute_transaction_bits): Protoize.
1108         * trans-mem.c (tm_region_init): Use the heap to store BB
1109         auxilliary data.
1110         (compute_transaction_bits): New.
1111
1112 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1113
1114         * gcc.c (display_help): Document --help=common and sort entries
1115         alphabetically.
1116
1117 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1118
1119         * doc/install.texi: Document check-$LANG specific shortcuts
1120
1121 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1122
1123         PR target/51534
1124         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1125         and vcgtu.
1126         * config/arm/arm_neon.h: Regenerate.
1127         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1128         (neon_vcgeu): New insn.
1129         (neon_vcgtu): Likewise.
1130         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1131         (ops): Unsigned comparison intrinsics call a different
1132         builtin.
1133
1134 2012-02-28  Richard Guenther  <rguenther@suse.de>
1135
1136         PR target/52407
1137         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1138         ordering for the VEC_CONCAT for two element vectors for
1139         V2SFmode, V2SImode and V2DImode.
1140
1141 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1142
1143         PR target/49448
1144         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1145         detecting big-endian triplets.
1146
1147 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1148
1149         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1150         mode if there is no type information available.
1151
1152 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1153
1154         PR tree-optimization/53207
1155         * doc/invoke.texi: Document as experimental and relying on graphite.
1156
1157 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1158
1159         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1160         of initializer to changes from r184614.
1161
1162 2012-02-28  Richard Guenther  <rguenther@suse.de>
1163
1164         PR tree-optimization/52395
1165         * tree-sra.c (build_ref_for_offset): Also look at the base
1166         TYPE_ALIGN when figuring out the alignment of the replacement.
1167
1168 2012-02-28  Richard Guenther  <rguenther@suse.de>
1169
1170         PR tree-optimization/52402
1171         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1172         mis-aligned types when creating the accesses at the call site.
1173
1174 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1175
1176         * config/avr/builtins.def: New file.
1177         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1178         * config/avr/avr.c (enum avr_builtin_id): Use it.
1179         (avr_init_builtins): Use it. And use avr_bdesc.
1180         (bdesc_1arg): Remove.
1181         (bdesc_2arg): Remove.
1182         (bdesc_3arg): Remove.
1183         (struct avr_builtin_description): Add field n_args.
1184         (avr_bdesc): New static variable using builtins.def.
1185         (avr_expand_builtin): Use it.
1186         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1187         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1188         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1189
1190 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1191
1192         PR target/52148
1193         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1194         match only one single hard register with respective hard reg rtx.
1195         (movmemx_<mode>): Ditto.
1196         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1197         insn anatomy of movmem[x]_<mode>.
1198         (avr_out_movmem): Same for printing assembler and operand usage.
1199
1200 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1201
1202         PR target/49868
1203         PR target/52261
1204         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1205         address spaces located outside of device flash.
1206
1207         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1208         (mcu_type_s): Add field n_flash.
1209         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1210         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1211         (AVR_MCU): Add N_FLASH argument.
1212         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1213         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1214         macro __FLASH<n> if that address space makes sense for the device.
1215         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1216         outside of target flash.
1217         (avr_asm_named_section): Ditto.
1218         (avr_asm_select_section): Ditto.
1219         (avr_addr_space_convert): Ditto.
1220         (avr_emit_movmemhi): Ditto.
1221         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1222         address space is outside of device flash.
1223         (avr_insert_attributes): Ditto.
1224         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1225         avr_current_arch->n_segments.
1226
1227 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1228
1229         PR target/52352
1230         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1231         TARGET_LP64.
1232         (*movabs<mode>_2): Likewise.
1233
1234 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1235
1236         PR target/52375
1237         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1238         s_register_operand in the test instead of REG_P.  Don't call
1239         gen_reg_rtx if it won't be used.
1240
1241         PR tree-optimization/52376
1242         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1243
1244 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1245
1246         * ifcvt.c (noce_get_condition): Check condition variable is not
1247         small_register_classes_for_mode_p before accepting.
1248
1249 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1252
1253 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1254
1255         Revert:
1256         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1257         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1258         tuning parameters.
1259         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1260
1261 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1262
1263         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1264
1265 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1266
1267         * config/sh/predicates.md: Remove blank lines.
1268         * config/sh/sh.c: Fix typos in comments.
1269         * config/sh/constraints.md: Likewise.
1270         * config/sh/sh.md: Remove blank lines.
1271         Fix typos in comments.  Use ;; as comment characters.
1272
1273 2012-02-26  Walter Lee  <walt@tilera.com>
1274
1275         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1276         (replace_mov_pcrel_step2): Ditto.
1277
1278 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1279
1280         PR debug/52001
1281         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1282         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1283         and locs that reference values newer than the non-canonical value
1284         at hand.  Return the canonical value as a worst case.
1285         (memrefs_conflict_p): Walk canonical value's locs.
1286
1287         PR debug/52001
1288         * cselib.c (preserve_only_constants): Rename to...
1289         (preserve_constants_and_equivs): ... this.  Split out...
1290         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1291         of other preserved expressions too.
1292         (cselib_reset_table): Adjust.
1293         * var-tracking.c (reverse_op): Use canonical value to build
1294         reverse operation.
1295
1296 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1297
1298         * config/i386/i386.c (ix86_delegitimize_address): Handle
1299         UNSPEC_PCREL plus displacement.
1300
1301 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1302
1303         PR target/52261
1304         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1305         to test for unusedness in st X addressing.
1306
1307 2012-02-24  Richard Guenther  <rguenther@suse.de>
1308
1309         PR middle-end/52361
1310         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1311         (is_gimple_reg_type): Move inline ...
1312         * gimple.h (is_gimple_reg_type): ... here.
1313
1314 2012-02-24  Richard Guenther  <rguenther@suse.de>
1315
1316         PR middle-end/52361
1317         * passes.c (execute_function_todo): When verifying SSA form
1318         verify gimple form first.
1319         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1320
1321 2012-02-24  Richard Guenther  <rguenther@suse.de>
1322
1323         PR middle-end/52355
1324         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1325         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1326
1327 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1328
1329         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1330
1331 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1332
1333         * tree-phinodes.c (make_phi_node): Mark static.
1334         * tree-flow.h (make_phi_node): Remove extern decl.
1335         * doc/gimple.texi (make_phi_node): Remove documentation.
1336
1337 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1338
1339         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1340         * tree-ssa-sccvn.c (print_scc): Ditto.
1341
1342 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1343
1344         * doc/passes.texi (Full redundancy elimination): Fix typo.
1345
1346 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1347
1348         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1349
1350 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1351
1352         PR bootstrap/52287
1353         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1354
1355 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1356
1357         PR c/52290
1358         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1359
1360 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1361
1362         * config/avr/avr.md (code_stdname): Add ior, xor.
1363         (xior): New code iterator.
1364         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1365         (*<code_stdname><mode>qi.byte1-3): Ditto.
1366
1367 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1368
1369         PR tree-optimization/52019
1370         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1371         CLOBBER stmts.
1372
1373 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1374
1375         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1376         HAVE_INITFINI_ARRAY to work around namespace pollution in
1377         certain versions of newlib system headers.
1378         * config.in: Regenerate.
1379         * configure: Regenerate.
1380         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1381         instead of HAVE_INITFINI_ARRAY.
1382
1383 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1384
1385         PR target/52330
1386         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1387         is not offsettable memory reference.
1388
1389 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1390
1391         PR target/18145
1392         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1393         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1394
1395 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1396
1397         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1398         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1399
1400 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1401
1402         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1403         library on Solaris 8 even without TLS support.
1404         * configure: Regenerate.
1405
1406 2012-02-22  Richard Guenther  <rguenther@suse.de>
1407
1408         PR middle-end/52329
1409         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1410         for GIMPLE_DEBUG stmts.
1411
1412 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1413
1414         PR middle-end/51782
1415         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1416         according to the base object.
1417
1418 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1419
1420         PR rtl-optimization/50063
1421         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1422         and 2 (8-bit SP) in operand 2.
1423         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1424         setup to use movhi_sp_r instead of vanilla move to write SP.
1425         Adjust REG_CFA notes to superseed unspec.
1426         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1427         of vanilla move.
1428         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1429         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1430         irq_state 1 (IRQ known to be on) here.
1431
1432 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1433
1434         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1435         WORDS_BIG_ENDIAN.
1436         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1437         assign_hard_reg): Likewise.
1438
1439 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1440
1441         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1442
1443 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1444
1445         * config/avr/avr.md
1446         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1447         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1448
1449 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1450
1451         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1452         prototype from here to...
1453         * config/avr/avr.h: ...here.
1454
1455 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1456
1457         PR target/52294
1458         * thumb2.md (thumb2_shiftsi3_short): Split register and
1459         immediate shifts.  For register shifts tie operands 0 and 1.
1460         (peephole2 for above): Check that register-controlled shifts
1461         have suitably tied operands.
1462
1463 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1464
1465         PR target/52137
1466         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1467         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1468         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1469         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1470         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1471         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1472         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1473         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1474         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1475         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1476         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1477         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1478         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1479         bdver1_ssevector_avx256_unaligned_load,
1480         bdver1_ssevector_sse128_unaligned_load,
1481         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1482         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1483         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1484         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1485         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1486         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1487         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1488         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1489         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1490         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1491         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1492         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1493         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1494         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1495         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1496         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1497         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1498         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1499         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1500         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1501         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1502         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1503         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1504         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1505         bdver1_ssediv_double_load, bdver1_ssediv_double,
1506         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1507         Add "bdver2" attribute.
1508
1509 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1510
1511         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1512         default if possible and not specified otherwise.
1513
1514 2012-02-21  Richard Guenther  <rguenther@suse.de>
1515
1516         PR middle-end/52314
1517         * gimplify.c (create_tmp_from_val): Use the main variant type
1518         for the type of the temporary we create.
1519
1520 2012-02-21  Richard Guenther  <rguenther@suse.de>
1521
1522         PR tree-optimization/52324
1523         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1524         do not gimplify a MEM_REF address operand if it is already
1525         in suitable form.
1526
1527 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1528
1529         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1530         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1531
1532 2012-02-21  Richard Guenther  <rguenther@suse.de>
1533
1534         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1535         nested_in_vect_loop.
1536
1537 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1538
1539         PR tree-optimization/52318
1540         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1541         vdef also to non-pure/const call stmts in the sequence.
1542
1543 2012-02-20  David S. Miller  <davem@davemloft.net>
1544
1545         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1546         don't use the "rd %pc" instruction on v9 for PIC register loads.
1547
1548 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1549
1550         PR middle-end/52141
1551         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1552         in a transaction safe function.
1553
1554 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1555
1556         PR target/52238
1557         * stor-layout.c (place_field): Handle desired_align for
1558         ms-bitfields, too.
1559
1560 2012-02-20  Richard Guenther  <rguenther@suse.de>
1561
1562         PR tree-optimization/52298
1563         * tree-vect-stmts.c (vectorizable_store): Properly use
1564         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1565         outer loops.
1566         (vectorizable_load): Likewise.
1567         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1568         Access DR_STEP after ensuring it is not NULL.
1569
1570 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1571
1572         PR tree-optimization/52286
1573         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1574         optimization use double_int_to_tree instead of build_int_cst_wide,
1575         rewrite to use double_int vars.
1576
1577 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1578
1579         PR target/50166
1580         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1581         Define _start.
1582         Remove -e 0 from $gcc_cv_ld invocation.
1583         Only use __GLIBC_PREREQ if defined.
1584         Enable on Solaris since Solaris 8 patch.
1585         (gcc_SUN_LD_VERSION): New macro.
1586         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1587         gcc_SUN_LD_VERSION for version number format.
1588         * configure: Regenerate.
1589         * varasm.c (get_elf_initfini_array_priority_section): Set
1590         SECTION_NOTYPE for non-default priority.
1591         Use get_section instead of get_unnamed_section to emit
1592         .init_array/.fini_array with default priority.
1593
1594 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1595
1596         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1597         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1598         (mips_start_unique_function, mips_output_mips16_rdhwr)
1599         (mips_code_end): New functions.
1600         (TARGET_ASM_CODE_END): Define.
1601
1602 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1603
1604         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1605         to stubs with non-sibling calls.
1606
1607 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1608
1609         * doc/invoke.texi (-fira-* options): Copy-edit.
1610         (ira-* parameters): Copy-edit.
1611
1612 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1613
1614         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1615         GCC coding conventions.
1616
1617 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1618
1619         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1620         when used as adjectives.
1621
1622 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1623
1624         * doc/invoke.texi: Clean up "that"/"which" confusion.
1625
1626 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1627
1628         * system.h: Poison SMALL_REGISTER_CLASSES
1629         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1630         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1631
1632 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1633
1634         PR tree-optimization/52285
1635         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1636         when deciding if a call is a tail call or tail recursion.
1637
1638 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1639
1640         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1641         interger-constant displacement for UNSPEC_PCREL.
1642
1643 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1644
1645         PR rtl-optimization/52208
1646         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1647         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1648
1649         PR tree-optimization/52255
1650         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1651         loop->header has virtual PHI, but exit_e->dest doesn't, add
1652         virtual PHI to exit_e->dest and adjust all uses after the loop.
1653
1654         PR debug/52260
1655         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1656         children with clone_tree_hash, not after it.
1657
1658 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1659
1660         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1661         extended identifiers.
1662
1663 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1664
1665         PR middle-end/51929
1666         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1667         a same_body_alias, also test whether e->callee isn't a former
1668         or current clone of the decl this is a same body alias of.
1669
1670         PR translation/52264
1671         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1672
1673 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1674
1675         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1676
1677 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1678
1679         PR target/52199
1680         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1681         force_reg instead of copy_to_reg for better optimization.  Force
1682         non-register or memory operands into a register.
1683
1684 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1685
1686         * extend.texi: Reserve upper bits of memory model for future use.
1687
1688 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1689             Anatoly Sokolov <aesok@post.ru>
1690             Eric Weddington <eric.weddington@atmel.com>
1691
1692         PR target/52261
1693         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1694         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1695         Rewrite initializers for .macro.
1696         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1697         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1698         atxmega32d4, atxmega32x1.
1699         avrxmega4: atxmega64a3, atxmega64d3.
1700         avrxmega5: atxmega64a1, atxmega64a1u.
1701         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1702         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1703         avrxmega7: atxmega128a1, atxmega128a1u.
1704         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1705         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1706         (struct base_arch_s): Rename reserved to xmega_p.
1707         Rename reserved2 to have_rampd.
1708         (AVR_XMEGA): New define.
1709         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1710         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1711         * config/avr/predicates.md (io_address_operand): Take into
1712         account SFR offset.
1713         (low_io_address_operand): Ditto.
1714         (high_io_address_operand): Ditto.
1715         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1716         (enabled, movhi_sp_r): Use them.
1717         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1718         cpp_define_formatted to built-in define __AVR_ARCH__.
1719         (__AVR_XMEGA__): New built-in define.
1720         (__AVR_HAVE_RAMPD__): New built-in define.
1721         (__AVR_HAVE_RAMPX__): New built-in define.
1722         (__AVR_HAVE_RAMPY__): New built-in define.
1723         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1724
1725         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1726         (avr_option_override): Initialize them.
1727         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1728         (avr_init_expanders): Initialize them. No more block several calls.
1729         (emit_push_sfr): New static function.
1730         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1731         Handle AVR_XMEGA.
1732         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1733         (avr_print_operand): Print addreeses as symbols for
1734         RAMPX, RAMPY, RAMPD, CCP.
1735         (output_movhi): Handle AVR_XMEGA when writing to SP.
1736         (avr_out_movhi_mr_r_xmega): New static function.
1737         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1738         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1739         __RAMPD__,  __CCP__ as needed.
1740
1741         * config/avr/multilib.h: Regenerate.
1742         * config/avr/t-multilib: Regenerate.
1743         * config/avr/avr-tables.opt: Regenerate.
1744
1745 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1746
1747         PR tree-optimization/50561
1748         * graphite-flattening.c (lst_project_loop): Do not
1749         remove old scattering dimensions after flattening.
1750         (lst_do_flatten): Likewise.
1751
1752 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1753
1754         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1755         __builtin_avr_map8, __builtin_avr_map16.
1756         Document __builtin_avr_insert_bits.
1757
1758         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1759         (insert_bits): New insn.
1760         (adjust_len.map_bits): Rename to insert_bits.
1761         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1762         * avr-protos.h (avr_out_map_bits): Remove.
1763         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1764         * config/avr/constraints.md (Cxf,C0f): New.
1765         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1766         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1767         New built-in define __BUILTIN_AVR_INSERT_BITS.
1768         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1769         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1770         (avr_move_bits): Rewrite.
1771         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1772         functions.
1773         (avr_map_op_t): New typedef.
1774         (avr_map_op): New static variable.
1775         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1776         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1777         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1778         (bdesc_3arg, avr_expand_triop_builtin): New.
1779         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1780         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1781         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1782         (avr_map_equal_p, avr_map_sig_p): Remove.
1783         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1784         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1785         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1786         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1787         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1788         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1789
1790 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1791
1792         * config/c6x/c6x.md (reserve_cycles): New attribute.
1793         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1794         don't reserve functional units after the branch occurs.
1795
1796 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1797
1798         PR middle-end/52142
1799         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1800         functions into non-tm_pure functions.
1801
1802 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1803
1804         PR lto/52178
1805         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1806         (iterative_hash_canonical_type): Likewise.
1807         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1808         the dead edges.
1809
1810 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1811
1812         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1813         sched-group insn, it either remains alone or the entire list is pruned.
1814
1815 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1816
1817         * doc/install.texi (Prerequisites): Fix grammar.
1818         (Configuration): Likewise.
1819
1820 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1821
1822         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1823         MPC as part of GCC before describing configuring with --with-gmp etc.
1824         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1825         sources are present.
1826
1827 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1828
1829         PR debug/51950
1830         * dwarf2out.c (clone_tree_hash): New function.
1831         (copy_decls_walk): Use it instead of clone_tree.
1832
1833 2012-02-14  Richard Guenther  <rguenther@suse.de>
1834
1835         PR tree-optimization/52244
1836         PR tree-optimization/51528
1837         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1838         replacements for integral types.
1839
1840 2012-02-14  Walter Lee  <walt@tilera.com>
1841
1842         * config.gcc: Handle tilegx and tilepro.
1843         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1844         tilegx and tilepro.
1845         Add HAVE_AS_TLS check for tilegx and tilepro.
1846         * configure: Regenerate.
1847         * doc/contrib.texi: Add Mat Hostetter and self.
1848         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1849         Document instruction intrinsics and network accessing intrinsics.
1850         (TILEPro Built-in Functions): New node.  Document instruction
1851         intrinsics and network accessing intrinsics.
1852         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1853         (Specific, tilepro-*-linux*): Likewise.
1854         * doc/invoke.texi (TILE-Gx Options): New section.
1855         (TILEPro Options): New section.
1856         * doc/md.texi (TILE-Gx): New section.
1857         (TILEPro): New section.
1858         * common/config/tilegx/tilegx-common.c: New file.
1859         * common/config/tilepro/tilepro-common.c: New file.
1860         * config/tilegx/constraints.md: New file.
1861         * config/tilegx/linux.h: New file.
1862         * config/tilegx/mul-tables.c: New file.
1863         * config/tilegx/predicates.md: New file.
1864         * config/tilegx/sync.md: New file.
1865         * config/tilegx/t-tilegx: New file.
1866         * config/tilegx/tilegx-builtins.h: New file.
1867         * config/tilegx/tilegx-c.c: New file.
1868         * config/tilegx/tilegx-generic.md: New file.
1869         * config/tilegx/tilegx-modes.def: New file.
1870         * config/tilegx/tilegx-multiply.h: New file.
1871         * config/tilegx/tilegx-protos.h: New file.
1872         * config/tilegx/tilegx.c: New file.
1873         * config/tilegx/tilegx.h: New file.
1874         * config/tilegx/tilegx.md: New file.
1875         * config/tilegx/tilegx.opt: New file.
1876         * config/tilepro/constraints.md: New file.
1877         * config/tilepro/gen-mul-tables.cc: New file.
1878         * config/tilepro/linux.h: New file.
1879         * config/tilepro/mul-tables.c: New file.
1880         * config/tilepro/predicates.md: New file.
1881         * config/tilepro/t-tilepro: New file.
1882         * config/tilepro/tilepro-builtins.h: New file.
1883         * config/tilepro/tilepro-c.c: New file.
1884         * config/tilepro/tilepro-generic.md: New file.
1885         * config/tilepro/tilepro-modes.def: New file.
1886         * config/tilepro/tilepro-multiply.h: New file.
1887         * config/tilepro/tilepro-protos.h: New file.
1888         * config/tilepro/tilepro.c: New file.
1889         * config/tilepro/tilepro.h: New file.
1890         * config/tilepro/tilepro.md: New file.
1891         * config/tilepro/tilepro.opt: New file.
1892
1893 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR tree-optimization/52210
1896         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1897         vect_model_simple_cost with two entry vect_def_type array instead
1898         of an address of dt.
1899
1900 2012-02-14  Richard Guenther  <rguenther@suse.de>
1901
1902         PR lto/52178
1903         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1904         Do not stream DECL_QUALIFIER.
1905         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1906         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1907         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1908
1909 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1910
1911         PR c/52181
1912         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1913         newdecl.
1914
1915 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR bootstrap/52172
1918         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1919         * cselib.c (cselib_subst_to_values_from_insn): New function.
1920         * sched-deps.c (add_insn_mem_dependence,
1921         sched_analyze_1, sched_analyze_2): Use it.
1922
1923 2012-02-13  Jan Hubicka  <jh@suse.cz>
1924
1925         PR middle-end/52214
1926         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1927
1928 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1929
1930         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1931         (GTM_SELF_SPECS): Define if not already defined.
1932         (driver_self_specs): Add GTM_SELF_SPECS.
1933         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1934         (GTM_SELF_SPECS): Define.
1935         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1936         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1937
1938 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1939
1940         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1941         away if seen.
1942
1943         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1944
1945         PR middle-end/52230
1946         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1947         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1948
1949 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1950
1951         PR c/52190
1952         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1953
1954 2012-02-13  Richard Guenther  <rguenther@suse.de>
1955
1956         PR translation/52211
1957         * passes.c (enable_disable_pass): Fix typo.
1958
1959 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1960
1961         PR middle-end/52209
1962         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1963         XOR for reduce_bit_field if type is unsigned.
1964
1965 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1966
1967         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1968         disallow changes from SFmode to mode with different size in FP regs.
1969
1970 2012-02-12  Robert Millan  <rmh@gnu.org>
1971             Gerald Pfeifer <gerald@pfeifer.com>
1972
1973         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1974         Tweak comment.
1975
1976 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1977
1978         PR rtl-optimization/52175
1979         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1980         to frame-related instructions.
1981
1982 2012-02-10  Jason Merrill  <jason@redhat.com>
1983
1984         PR c++/51910
1985         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1986         (demangle_new_symbols): Fill it.
1987         (scan_linker_output): Walk it.
1988         (start_tweaking): Split out from scan_linker_output.
1989         (maybe_tweak): Update sym->chosen.
1990         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1991
1992 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1993
1994         PR debug/52132
1995         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1996
1997 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1998
1999         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2000         having the same mode as previous compare.
2001
2002 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2003
2004         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2005         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2006         (nonlocal_goto_internal): Likewise.
2007         (nonlocal_goto): Emit a use and an indirect jump directly.
2008
2009 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2010
2011         PR c/52190
2012         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2013         __atomic_{is,always}_lock_free.
2014
2015 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2016
2017         PR target/52146
2018         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2019         negative constant address for x32.
2020
2021 2012-02-10  Richard Henderson  <rth@redhat.com>
2022
2023         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2024         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2025         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2026
2027 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2028             Ira Rosen  <irar@il.ibm.com>
2029
2030         PR tree-optimization/50031
2031         * targhooks.c (default_builtin_vectorization_cost): Handle
2032         vec_promote_demote.
2033         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2034         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2035         all types of reduction and pattern statements.
2036         (vect_estimate_min_profitable_iters): Likewise.
2037         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2038         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2039         for explicit realigns.
2040         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2041         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2042         vec_promote_demote.
2043         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2044         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2045         vec_perm for VSX and handle vec_promote_demote.
2046
2047 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2048
2049         PR middle-end/52177
2050         * builtins.c (fold_builtin_atomic_always_lock_free,
2051         expand_builtin_atomic_always_lock_free,
2052         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2053         Return and/or test boolean_true_node/boolean_false_node instead of
2054         integer_one_node/integer_zero_node.
2055
2056 2012-02-10  Jan Hubicka  <jh@suse.cz>
2057
2058         PR middle-end/48600
2059         * predict.c (predict_paths_for_bb): Prevent looping.
2060         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2061
2062 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2063
2064         * config/arm/arm.c (output_move_double): In one case properly
2065         count number of instructions that will be emitted.
2066
2067 2012-02-10  Richard Guenther  <rguenther@suse.de>
2068
2069         PR translation/52193
2070         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2071
2072 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2073
2074         PR middle-end/52140
2075         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2076
2077 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR debug/52165
2080         * var-tracking.c (emit_note_insn_var_location): If
2081         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2082         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2083         non-NOTE_DURING_CALL_P insn.
2084
2085 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2086
2087         PR middle-end/51867
2088         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2089
2090 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2091
2092         PR driver/48524
2093         * gcc.c (switch_matches) Support switches with separated form,
2094         -D and -U.
2095
2096 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2097
2098         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2099         (SP_ADDR): Ditto.
2100         (RAMPZ_ADDR): Ditto.
2101         * config/avr/avr.c (avr_addr_t): New typedef.
2102         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2103         (avr_init_expanders): Initialize it.
2104         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2105         SREG_ADDR.
2106         (expand_epilogue): Ditto.
2107         (avr_print_operand): Ditto.
2108         (avr_file_start): Ditto.
2109         (avr_emit_movmemhi): Ditto.
2110
2111 2012-02-08  Richard Guenther  <rguenther@suse.de>
2112
2113         PR tree-optimization/46886
2114         * tree-flow.h (do_while_loop_p): Declare.
2115         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2116         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2117
2118 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2119
2120         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2121         always succeed for integers larger than a native word.
2122
2123 2012-02-08  Richard Guenther  <rguenther@suse.de>
2124
2125         PR rtl-optimization/52170
2126         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2127         properly handle integer vector modes.
2128
2129 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR gcov-profile/52150
2132         * coverage.c: Include target.h.
2133         (build_var): Call targetm.strip_name_encoding on the assembler name.
2134         Change one _ into . or $ if the target allows it.
2135         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2136
2137         PR rtl-optimization/52139
2138         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2139         is a BARRIER after emit_insn_after_noloc, move BB_END
2140         to the last non-BARRIER insn before it.
2141
2142 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2143
2144         PR middle-end/24306
2145         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2146         (mips_gimplify_va_arg_expr): Call it instead of
2147         std_gimplify_va_arg_expr.
2148
2149 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2150
2151         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2152         message for -mno-pointers-to-nested-function.
2153
2154 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2155
2156         PR middle-end/51994
2157         * expr.c (get_inner_reference): If there is an offset, add a negative
2158         bit position to it (if any).
2159
2160 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2161
2162         PR rtl-optimization/52060
2163         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2164         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2165         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2166         and/or i0src_copy2 when needed.
2167
2168 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2169
2170         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2171         or LTOPLUGINSONAME if have_c.
2172
2173         * config/freebsd-spec.h: Add comment about what macros can be defined
2174         in this header.
2175         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2176         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2177         here instead.
2178
2179 2012-02-07  Richard Guenther  <rguenther@suse.de>
2180
2181         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2182         newline in -alias dumps.
2183
2184 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2185             Dave Korn  <dave.korn.cygwin@gmail.com>
2186
2187         PR target/40068
2188         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2189         Take care that typinfo gets dllexport-attribute.
2190
2191 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2192
2193         PR middle-end/52074
2194         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2195         if modifier < EXPAND_SUM call force_operand on the result.
2196
2197 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2198
2199         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2200         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2201         present.
2202         (epiphany_function_type): Replace types for specific interrupts with
2203         EPIPHANY_FUNCTION_INTERRUPT.
2204         (EPIPHANY_INTERRUPT_P): Update.
2205         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2206         New static function.
2207         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2208         <disinterrupt>: Affects type identity.
2209         (epiphany_handle_interrupt_attribute): Handle variable number of
2210         arguments.
2211         (epiphany_compute_function_type): Update for new
2212         epiphany_function_type definition.
2213         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2214         handlers with a longcall forwarder.
2215         (epiphany_start_function): Handle multiple interrupt arguments and/or
2216         forwarder_section attribute.
2217
2218         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2219         libgloss.
2220
2221 2012-02-07  Alan Modra  <amodra@gmail.com>
2222
2223         PR target/52107
2224         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2225         subregs of TFmode.
2226
2227 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2228
2229         PR tree-optimization/50969
2230         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2231         use vec_perm rather than vector_stmt.
2232         (vect_model_load_cost): Likewise.
2233         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2234         vec_perm to be the same as other vector statements.
2235         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2236         cost of vec_perm for TARGET_VSX.
2237
2238 2012-02-06  Richard Guenther  <rguenther@suse.de>
2239
2240         PR tree-optimization/52115
2241         * tree-sra.c (access_has_replacements_p): New function.
2242         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2243
2244 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2245
2246         PR middle-end/52047
2247         * trans-mem.c (expand_call_tm): Add an assertion.
2248         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2249         functions.
2250
2251 2012-02-06  Richard Guenther  <rguenther@suse.de>
2252
2253         PR tree-optimization/50955
2254         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2255         raise cost of expressions that replace an address with an
2256         expression based on a different pointer.
2257
2258 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2259
2260         PR target/52129
2261         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2262         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2263
2264 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2265
2266         PR c++/48680
2267         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2268         -Weffc++ and specify guidelines come from second edition.
2269
2270 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2271
2272         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2273         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2274         (call_direct_split, call_value_split, call_value_internal_direct)
2275         (call_value_direct_split, call_value_multiple_split): Use jal and
2276         jal_macro attributes.
2277
2278 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2279
2280         * reload1.c (reload_regs_reach_end_p): Replace with...
2281         (reload_reg_rtx_reaches_end_p): ...this function.
2282         (new_spill_reg_store): Update commentary.
2283         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2284         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2285         before setting new_spill_reg_store.
2286         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2287         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2288         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2289         for non-spill reload registers.
2290
2291 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2292
2293         PR tree-optimization/52091
2294         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2295         (vect_is_simple_use_1): Likewise.
2296         * tree-vect-loop.c (vectorizable_reduction): Update calls
2297         to vect_is_simple_use_1 and vect_is_simple_use.
2298         (vectorizable_live_operation): Likewise.
2299         * tree-vect-patterns.c (widened_name_p,
2300         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2301         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2302         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2303         vectorizable_shift,vectorizable_operation, vectorizable_store,
2304         vectorizable_load): Likewise.
2305         (vect_is_simple_cond): Add an argument, pass it to
2306         vect_is_simple_use_1.
2307         (vectorizable_condition): Update calls to vect_is_simple_cond,
2308         vect_is_simple_use.
2309         (vect_is_simple_use): Add an argument, the statement in which
2310         OPERAND is used.  Check that if OPERAND's def stmt is a double
2311         reduction phi node, the use is a phi node too.
2312         (vect_is_simple_use_1): Add an argument, pass it to
2313         vect_is_simple_use.
2314         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2315         to vect_is_simple_use.
2316
2317 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2318
2319         PR rtl-optimization/52095
2320         * modulo-sched.c (dump_insn_locator): New function.
2321         (loop_canon_p, sms_schedule): Use it.
2322
2323         PR rtl-optimization/52113
2324         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2325         even for decomposable shift/zext insns.
2326
2327 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2328             Zdenek Dvorak  <ook@ucw.cz>
2329
2330         PR rtl-optimization/52092
2331         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2332         on get_iv_value result.
2333
2334 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2335
2336         PR middle-end/47982
2337         PR middle-end/43967
2338         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2339
2340 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2341
2342         PR middle-end/48071
2343         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2344
2345 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2346
2347         PR rtl-optimization/49800
2348         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2349         (sched_finish): Call regstat_free_n_sets_and_refs.
2350
2351 2012-02-02  Jia Liu  <proljc@gmail.com>
2352
2353         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2354         than operand 2.
2355
2356 2012-02-02  Jan Hubicka  <jh@suse.cz>
2357             Tom de Vries  <tom@codesourcery.com>
2358
2359         PR middle-end/51998
2360         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2361         * varpool.c (varpool_analyze_pending_decls): Likewise.
2362
2363 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2364             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2365
2366         * config.gcc: Add cr16-* support.
2367
2368         * doc/extend.texi: Document cr16 extensions.
2369         * doc/install.texi: Document cr16 install.
2370         * doc/invoke.texi: Document cr16 options.
2371         * doc/md.texi: Document cr16 constraints.
2372
2373         * common/config/cr16/cr16-common.c: New file.
2374         * config/cr16/cr16.c: New file.
2375         * config/cr16/cr16.h: New file.
2376         * config/cr16/cr16.md: New file.
2377         * config/cr16/cr16.opt: New file.
2378         * config/cr16/cr16-protos.h: New file.
2379         * config/cr16/predicates.md: New file.
2380         * config/cr16/constraints.md: New file.
2381         * config/cr16/t-cr16: New file.
2382
2383 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2384
2385         PR target/52086
2386         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2387         that operands[2] is either immediate, or q_regs_operand.
2388
2389         PR tree-optimization/52073
2390         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2391         a pattern stmt for pattern uses, ignore uses outside of the loop.
2392
2393 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2394
2395         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2396         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2397         (OUT_AS1, OUT_AS2): Remove.
2398
2399 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2400
2401         PR rtl-optimization/51374
2402         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2403         to cross other volatile_refs_p insns.
2404
2405 2012-02-01  Richard Guenther  <rguenther@suse.de>
2406
2407         * doc/invoke.texi (fno-inline): Clarify documentation.
2408         (finline-small-functions): Likewise.
2409         (finline-functions): Likewise.
2410         * common.opt (finline): Adjust comment and documentation.
2411         (finline-small-functions): Clarify documentation.
2412         (finline-functions): Likewise.
2413         (finline-functions-called-once): Likewise.
2414
2415 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2416
2417         * c-typeck.c (composite_type): Keep mode for pointers.
2418
2419 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2420
2421         * function.h (regno_reg_rtx): Adjust comment.
2422         * reginfo.c (init_reg_modes_target): Only use the previous mode
2423         if it fits within one register.  Remove MIPS comment.
2424
2425 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2426
2427         PR bootstrap/52058
2428         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2429
2430 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2431
2432         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2433         to srak instruction.
2434
2435 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2436
2437         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2438
2439 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR bootstrap/52041
2442         PR bootstrap/52039
2443         PR target/51974
2444         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2445
2446 2012-01-31  Richard Guenther  <rguenther@suse.de>
2447
2448         PR tree-optimization/51528
2449         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2450         assigns.
2451
2452 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2453
2454         PR bootstrap/52041
2455         PR bootstrap/52039
2456         PR target/51974
2457         * ree.c (add_removable_extension): Change def_map argument
2458         to unsigned *, store in def_map 1 + offset into *insn_list vector
2459         instead of pointers into the vector.
2460         (find_removable_extensions): Adjust caller.
2461
2462 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2463
2464         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2465         Transform all "* quoted-c-code" to { c-code }.
2466         Remove redundant test for "optimize" in combine patterns.
2467         Move (include "avr-dimode.md") to end of file.
2468
2469 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2470
2471         PR target/51835
2472         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2473         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2474
2475 2012-01-30  Richard Guenther  <rguenther@suse.de>
2476
2477         PR tree-optimization/52028
2478         * tree-loop-distribution.c (ldist_gen): Properly update
2479         virtual SSA form.
2480
2481 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2482
2483         PR debug/52027
2484         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2485         set_cur_line_info_table if not emitting debug info.
2486
2487         PR tree-optimization/52046
2488         * tree-vect-patterns.c (check_bool_pattern): Give up if
2489         a comparison could throw.
2490
2491         PR debug/52048
2492         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2493
2494 2012-01-30  Richard Guenther  <rguenther@suse.de>
2495
2496         PR tree-optimization/52045
2497         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2498         SSA form if cfgcleanup did anything.
2499
2500 2012-01-30  Richard Guenther  <rguenther@suse.de>
2501
2502         PR tree-optimization/52045
2503         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2504         before computing final todo.
2505
2506 2012-01-30  Richard Guenther  <rguenther@suse.de>
2507
2508         PR tree-optimization/51528
2509         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2510         for PR51528 fix.
2511
2512 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2513
2514         * df-problems.c (df_kill_notes): Check that the use refers
2515         to the note under examination.
2516
2517 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2518
2519         PR target/51920
2520         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2521         parameter and use short-lived pseudos.
2522         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2523         (sparc_expand_vector_init): Const-ify local variables and adjust
2524         calls to above functions.
2525
2526 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2527
2528         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2529
2530 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2531
2532         * doc/invoke.texi: Make usage of "compile time" and
2533         "run time"/"runtime" consistent throughout the file.
2534
2535 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2536
2537         * config/alpha/alpha.c (alpha_option_override): Default to
2538         full IEEE compliance mode for Go language.
2539
2540 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2541
2542         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2543         (LINK_SSP_SPEC): Define.
2544
2545 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2546
2547         PR target/51871
2548         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2549         stubs.
2550
2551 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2552
2553         * doc/invoke.texi: Correct hyphenation of "floating point",
2554         "double precision", and related terminology throughout the file.
2555
2556 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2557
2558         PR target/52006
2559         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2560         arm_general_register_operand predicate for operand 2 instead of
2561         register_operand.
2562
2563 2012-01-27  Ian Lance Taylor  <iant@google.com>
2564
2565         PR go/47656
2566         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2567         * builtins.c (expand_builtin_init_trampoline): Add onstack
2568         parameter.  Change caller.
2569         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2570         * tree.c (build_common_builtin_nodes): Declare
2571         __builtin_init_heap_trampoline.
2572
2573 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2574
2575         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2576         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2577         * config/avr/avr.c: Ditto.
2578         (avr_regnames): Remove because unused.
2579         * config/avr/avr.md (*cpse.ne): New peephole.
2580         (*cpse.eq): New peephole from former cpse peepholes.
2581
2582 2012-01-27  Michael Eager  <eager@eagercon.com>
2583
2584         * config/microblaze.c (microblaze_emit_compare): Correct
2585         test after pcmp instruction.
2586
2587 2012-01-27  Richard Guenther  <rguenther@suse.de>
2588
2589         PR tree-optimization/52020
2590         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2591
2592 2012-01-27  Richard Guenther  <rguenther@suse.de>
2593
2594         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2595         function non-const/pure.
2596
2597 2012-01-27  Richard Guenther  <rguenther@suse.de>
2598
2599         PR tree-optimization/50444
2600         * tree-sra.c (build_ref_for_offset): Properly adjust the
2601         MEM_REF type for unaligned accesses.
2602
2603 2012-01-27  Richard Guenther  <rguenther@suse.de>
2604
2605         PR tree-optimization/50444
2606         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2607         (expand_assignment): Use it.  Properly handle misaligned
2608         bases when expanding stores to component references.
2609         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2610         refactor that case.
2611
2612 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2613
2614         PR middle-end/51389
2615         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2616         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2617         * tree-data-ref.c (find_data_references_in_loop): Make static.
2618         (compute_all_dependences): Change return type to bool.  Bail out
2619         for too many datarefs in a loop.  Move the hunk resetting the data
2620         dependences vector from ...
2621         (compute_data_dependences_for_loop): ... here.  Account for
2622         compute_all_dependences returning false.
2623         (compute_data_dependences_for_bb): Likewise.
2624         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2625         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2626
2627 2012-01-27  Richard Guenther  <rguenther@suse.de>
2628
2629         PR middle-end/51959
2630         * expr.c (store_field): Use the alias-set of the scratch memory
2631         for storing to it.
2632
2633 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2634
2635         PR tree-optimization/51990
2636         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2637         WITH_SIZE_EXPR.
2638         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2639
2640 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2641
2642         PR debug/52001
2643         * var-tracking.c (reverse_op): Don't add any reverse operation
2644         if V already has any constant locations.
2645
2646 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2647
2648         * doc/invoke.texi: Correct usage of "command line" (noun)
2649         vs "command-line" (adjective) throughout.
2650
2651 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2652
2653         * doc/invoke.texi (Language Independent Options): Move
2654         -Wcoverage-mismatch blurb from here....
2655         (Warning Options): ...to here.
2656
2657 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2658
2659         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2660         Set rs6000_always_hint to false for 476.
2661
2662 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2663
2664         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2665           system root.
2666         * incpath.c (add_standard_paths): Likewise.
2667
2668 2012-01-27  Richard Henderson  <rth@redhat.com>
2669
2670         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2671         * config/m68k/sync.md (atomic_test_and_set): Rename from
2672         sync_test_and_setqi and adjust the operands.
2673         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2674         and unconditionally enable.
2675
2676 2012-01-27  Richard Henderson  <rth@redhat.com>
2677
2678         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2679         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2680         (ldstub): Rename from ldstubqi.
2681         (ldstub<I24MODE>): Remove.
2682
2683 2012-01-27  Richard Henderson  <rth@redhat.com>
2684
2685         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2686         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2687         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2688         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2689         * doc/tm.texi: Rebuild.
2690
2691 2012-01-27  Richard Henderson  <rth@redhat.com>
2692
2693         * optabs.c (gen_atomic_test_and_set): Remove default.
2694         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2695
2696 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2697
2698         PR rtl-optimization/51978
2699         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2700         (combine_reaching_defs): Likewise.
2701         (struct re_info): Remove.
2702         (add_removable_extension): Remove x and data arguments,
2703         add insn, insn_list and def_map.  Use the arguments directly
2704         instead of using struct re_info.
2705         (find_removable_extensions): Don't call add_removable_extension
2706         through note_stores, instead just call it with single_set
2707         result if non-NULL.
2708         (find_and_remove_re): Pass curr_cand->expr instead of
2709         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2710
2711 2012-01-26  Michael Matz  <matz@suse.de>
2712
2713         PR tree-optimization/46590
2714         * cfgexpand.c: Revert last change (r183305).
2715         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2716         regs.
2717         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2718         checking for emptiness.
2719
2720 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2721
2722         PR middle-end/51895
2723         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2724         non-addressable non-BLKmode base correctly.
2725
2726 2012-01-26  Michael Matz  <matz@suse.de>
2727
2728         PR tree-optimization/48794
2729         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2730         regions referenced from RESX/EH_DISPATCH.
2731
2732 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2733
2734         * config/s390/s390.h: Make BRANCH_COST an option.
2735         * config/s390/s390.opt: New option -mbranch-cost.
2736
2737 2012-01-26  Richard Henderson  <rth@redhat.com>
2738
2739         Revert 2012-01-24 change:
2740         * trans-mem.c (requires_barrier): Do not instrument thread local
2741         variables and emit save/restore for them.
2742
2743 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2744
2745         PR middle-end/51986
2746         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2747         for pat == 0.
2748
2749 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2750
2751         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2752         ASM_OPERANDS.
2753
2754 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2755
2756         PR target/49868
2757         Rename __pgm to __flash.
2758         Rename __pgm1 to __flash1.
2759         Rename __pgm2 to __flash2.
2760         Rename __pgm3 to __flash3.
2761         Rename __pgm4 to __flash4.
2762         Rename __pgm5 to __flash5.
2763         Rename __pgmx to __memx.
2764         * doc/extend.texi (AVR Named Address Spaces)
2765         Rename address space names as indicated above.
2766         * config/avr/avr.c (avr_addrspace): Ditto.
2767
2768         * config/avr/avr-protos.h
2769         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2770         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2771         * config/avr/predicates.md: Ditto.
2772         * config/avr/avr.c Ditto, and
2773         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2774         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2775
2776         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2777         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2778         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2779         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2780         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2781         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2782         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2783         * config/avr/avr.c: Ditto.
2784         * config/avr/avr.md: Ditto.
2785
2786 2012-01-25  Jason Merrill  <jason@redhat.com>
2787
2788         PR c++/51992
2789         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2790
2791 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2792
2793         PR tree-optimization/51987
2794         * tree-data-ref.c (get_references_in_stmt): Handle references in
2795         non-volatile GIMPLE_ASM.
2796
2797 2012-01-25  Richard Guenther  <rguenther@suse.de>
2798
2799         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2800         bases are dereferenced.
2801
2802 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2803
2804         PR rtl-optimization/48374
2805         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2806
2807 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2808
2809         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2810         compute_data_dependences_for_loop returns false.
2811         * tree-parloops.c (loop_parallel_p): Likewise.
2812
2813 2012-01-25  Richard Guenther  <rguenther@suse.de>
2814
2815         * tree.h (get_pointer_alignment_1): Declare.
2816         * builtins.c (get_pointer_alignment_1): New function.
2817         (get_pointer_alignment): Use it.
2818
2819 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2820
2821         PR rtl-optimization/48308
2822         * combine.c (enum undo_kind): Add UNDO_LINKS.
2823         (struct undo): Add member l to other_contents and where.
2824         (do_SUBST_LINK): New.
2825         (SUBST_LINK): New.
2826         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2827         (undo_all): Handle UNDO_LINKS.
2828
2829 2012-01-25  Richard Henderson  <rth@redhat.com>
2830
2831         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2832         mem inputs.
2833
2834 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2835
2836         * optabs.c (gen_atomic_test_and_set): Use each argument.
2837
2838 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2839
2840         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2841         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2842         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2843         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2844         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2845         TARGET_PAIRED_SINGLE_FLOAT.
2846
2847 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2848
2849         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2850         (in_struct, return_val): Remove MEM documentation.
2851         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2852         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2853         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2854         and MEM_SCALAR.
2855         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2856         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2857         * expr.c (store_field): Likewise.
2858         * function.c (assign_stack_temp_for_type): Likewise.
2859         * ifcvt.c (noce_try_cmove_arith): Likewise.
2860         * reload1.c (reload): Likewise.
2861         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2862         (alpha_set_memflags): Likewise.
2863         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2864
2865 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2866
2867         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2868         parameter.
2869         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2870         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2871         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2872         varies parameter.
2873         * cselib.c (cselib_rtx_varies_p): Delete.
2874         (cselib_invalidate_mem): Update call to canon_true_dependence.
2875         * dse.c (record_store, check_mem_read_rtx): Likewise.
2876         (scan_reads_nospill): Likewise.
2877         * cse.c (check_dependence): Likewise.
2878         (cse_rtx_varies_p): Delete.
2879         * expr.c (safe_from_p): Update call to true_dependence.
2880         * ira.c (validate_equiv_mem_from_store): Likewise.
2881         (memref_referenced_p): Likewise.
2882         * postreload-gcse.c (find_mem_conflicts): Likewise.
2883         * sched-deps.c (sched_analyze_2): Likewise.
2884         * store-motion.c (load_kills_store): Likewise.
2885         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2886         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2887         (compute_transp): Update call to canon_true_dependence.
2888
2889 2012-01-25  Richard Henderson  <rth@redhat.com>
2890
2891         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2892         (maybe_emit_atomic_test_and_set): New.
2893         (expand_sync_lock_test_and_set): Use it.
2894         (expand_atomic_test_and_set): Likewise.
2895         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2896         the implementation; clarify implementation defined details.
2897         * doc/md.texi (atomic_test_and_set): Document.
2898
2899 2012-01-25  Richard Henderson  <rth@redhat.com>
2900
2901         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2902
2903 2012-01-25  Richard Henderson  <rth@redhat.com>
2904
2905         PR target/51968
2906         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2907         to effect no-op split.
2908
2909 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2910
2911         PR lto/51698
2912         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2913         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2914         (BT_FN_VOID_PTR_INT_SIZE): New.
2915         (BT_FN_UINT_UINT_VAR): Remove.
2916         (BT_FN_UINT32_UINT32_VAR): New.
2917         (BT_FN_DOUBLE_VPTR): Remove.
2918         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2919
2920         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2921         (_ITM_changeTransactionMode): Same.
2922         (_ITM_memmoveRtWt): Change return type to void.
2923         (_ITM_memcpyRtWt): Same.
2924         (_ITM_memsetW): Same.
2925         (_ITM_RaRD): Change types to double.
2926         (_ITM_RD): Same.
2927         (_ITM_RaWD): Same.
2928         (_ITM_RfWD): Same.
2929
2930         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2931
2932 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2933             Patrick Marlier  <patrick.marlier@gmail.com>
2934
2935         * trans-mem.c (requires_barrier): Do not instrument thread local
2936         variables and emit save/restore for them.
2937
2938 2012-01-24  Jason Merrill  <jason@redhat.com>
2939
2940         PR c++/51812
2941         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2942         output static aliases.
2943
2944 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2945
2946         PR driver/47249
2947         * common.opt (-pie, -shared, pie, shared): Change from Common to
2948         Driver.
2949         * gcc.c (display_help): Display help for -pie and -shared.
2950
2951 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2952
2953         PR target/49868
2954         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2955         Remove note on size/offset limitation.
2956         (AVR Variable Attributes): Add example how to read data located
2957         with progmem.  Refer to named address spaces.
2958         * doc/invoke.texi (AVR Options): Fix typo.
2959
2960 2012-01-24  Richard Guenther  <rguenther@suse.de>
2961
2962         Forward-port to trunk
2963         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2964
2965         PR middle-end/45678
2966         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2967         op0 isn't sufficiently aligned and there is movmisalignM
2968         insn for mode, use it to load op0 into a temporary register.
2969
2970 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2971
2972         PR target/51957
2973         * target.def (const_not_ok_for_debug_p): New hook.
2974         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2975         documentation.
2976         * doc/tm.texi: Regenerated.
2977         * dwarf2out.c (const_ok_for_output_1): If
2978         targetm.const_not_ok_for_debug_p returns true, fail.
2979         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2980         function.
2981         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2982
2983 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2984
2985         PR target/51900
2986         * config/i386/predicates.md (symbolic_operand): Allow
2987         UNSPEC_PCREL as PIC expression for lea.
2988         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2989         * config/i386/i386.c (ix86_delegitimize_address): Handle
2990         UNSPEC_PCREL for none-MEM, too.
2991
2992 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2993
2994         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2995         (ipa_tm_create_version_alias): Same.
2996
2997 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2998
2999         PR libitm/51830
3000         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3001         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3002
3003 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3004             Patrick Marlier  <patrick.marlier@gmail.com>
3005             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3006
3007         PR lto/51916
3008         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3009         simple_object_start_read.
3010
3011 2012-01-23  Richard Guenther  <rguenther@suse.de>
3012
3013
3014         PR tree-optimization/51895
3015         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3016         parameter decomposition into BLKmode components.
3017
3018 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3019
3020         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3021         fake variables for restrict-qualified pointers whose pointed-to type
3022         contains a placeholder.
3023
3024 2012-01-23  Richard Guenther  <rguenther@suse.de>
3025
3026         PR tree-optimization/51949
3027         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3028
3029 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3030
3031         PR rtl-optimization/51933
3032         * ree.c (transform_ifelse): Return true right away if dstreg is
3033         already wider or equal to cand->mode.
3034         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3035         (make_defs_and_copies_lists): Remove defs_list and copies_list
3036         arguments, add state argument, just truncate state->work_list
3037         instead of always allocating and freeing the vector.  Assert that
3038         get_defs succeeds instead of returning 2.  Changed return type to bool.
3039         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3040         have ext_src_mode, see if it has been modified already with the
3041         right kind of extension and has been extended before from the
3042         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3043         just return true.  Remember the original mode in state->modified array.
3044         (combine_reaching_defs): Add state argument.  Don't allocate and
3045         free here def_list, copied_list and vec vectors, instead just
3046         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3047         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3048         Add state variable, clear vectors in it, initialize state.modified
3049         if needed.  Free all the vectors at the end and state.modified too.
3050         Don't skip a candidate if the extension expression has been modified.
3051
3052 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3053
3054         PR target/47096
3055         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3056          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3057         (extra_options) interix.opt -> i386/interix.opt"
3058         (extra_objs):Add winnt-stubs.o
3059         * configure.ac: Add interix to target_os .comm on PE check.
3060         * configure: Regenerate.
3061         * config/interix3.h: Delete and move bits to..
3062         * config/interix.h: Delete and move bits to..
3063         * config/i386/i386-interix3.h: Delete and move bits to..
3064         * config/i386/i386-interix.h: ..here.
3065         (TARGET_CPU_DEFAULT): Remove redefinition.
3066         (TARGET_ASM_CONSTRUCTOR): Undefine.
3067         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3068         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3069         (PTRDIFF_TYPE): Define.
3070         (LONG_DOUBLE_TYPE_SIZE): Define.
3071         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3072         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3073         (TARGET_SECTION_TYPE_FLAGS): Define.
3074         (ASM_DECLARE_FUNCTION_NAME): Define.
3075         (ASM_OUTPUT_EXTERNAL): Define.
3076         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3077         (ASM_OUTPUT_ALIGNED_BSS): Define.
3078         (PCC_BITFIELD_TYPE_MATTERS): Define.
3079         (USE_CONST_SECTION): Define.
3080         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3081         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3082         (SUPPORTS_ONE_ONLY): Remove.
3083         (I386_PE_STRIP_ENCODING): Define.
3084         * config/interix.opt: Delete and move bits to..
3085         * config/i386/interix.opt: ..here. New.
3086         (mpe-aligned-commons): Add.
3087         * config/i386/t-interix: Add copyright header.
3088         (winnt-stubs.o): Add rule.
3089
3090 2012-01-22  Jason Merrill  <jason@redhat.com>
3091
3092         PR c++/51832
3093         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3094         for extra name aliases.
3095
3096 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3097
3098         PR rtl-optimization/51924
3099         * ree.c (combine_set_extension): Improve debugging message.
3100         (combine_reaching_defs): Likewise.
3101         (get_defs): Rename confusingly named variable.
3102         (find_and_remove_re): Skip a candidate if the extension expression has
3103         been modified.
3104
3105 2012-01-21  Robert Millan  <rmh@gnu.org>
3106             Gerald Pfeifer  <gerald@pfeifer.com>
3107
3108         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3109         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3110
3111 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3112
3113         PR tree-optimization/51914
3114         * tree-vect-stmts.c (vectorizable_conversion): For
3115         cvt_type && modifier == WIDEN, put temporary with cvt_type
3116         at the beginning of vec_dsts and set vec_dest to temporary
3117         with vectype_out.
3118
3119 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3120
3121         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3122
3123 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3124
3125         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3126         * config/rs6000/rs6000.c: Likewise.
3127
3128 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3129
3130         PR target/51915
3131         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3132         output_move_double on a copy of operands array.
3133
3134 2012-01-20  Cary Coutant  <ccoutant@google.com>
3135             Dodji Seketeli  <dodji@redhat.com>
3136
3137         PR debug/45682
3138         * dwarf2out.c (copy_declaration_context): Return ref to parent
3139         of declaration DIE, if necessary.
3140         (remove_child_or_replace_with_skeleton): Add new parameter; update
3141         caller.  Place skeleton DIE under parent DIE of original declaration.
3142         Move call to copy_declaration_context to here ...
3143         (break_out_comdat_types): ... from here.
3144
3145 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3146
3147         PR rtl-optimization/51856
3148         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3149         flag to reloaded.
3150
3151 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3152
3153         PR target/51819
3154         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3155         hints for neon loads and stores.
3156
3157 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3158
3159         PR target/49868
3160         PR target/50887
3161         * doc/extend.texi (Named Address Spaces): Split into subsections.
3162         (AVR Named Address Spaces): New subsection.
3163         (M32C Named Address Spaces): New subsection.
3164         (RL78 Named Address Spaces): New subsection.
3165         (SPU Named Address Spaces): New subsection.
3166         (Variable Attributes): New anchor "AVR Variable Attributes".
3167         (AVR Variable Attributes): Rewrite and avoid wording
3168         "address space" in this context.
3169         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3170         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3171         (AVR Built-in Macros): New subsubsection therein.
3172         * doc/md.texi (AVR constraints): Remove "C04", "R".
3173
3174 2012-01-20  Richard Guenther  <rguenther@suse.de>
3175
3176         PR tree-optimization/51903
3177         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3178         when removing stmts.
3179
3180 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3181
3182         PR target/50313
3183         * config/arm/arm.c (arm_load_pic_register): Use
3184         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3185         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3186         (arm_pic_static_addr): Likewise.
3187         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3188         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3189         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3190         (pic_load_addr_unified): New.
3191
3192 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3193
3194         PR target/51106
3195         * function.c (instantiate_virtual_regs_in_insn): Use
3196         delete_insn_and_edges when removing a wrong asm insn.
3197
3198 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3199
3200         PR rtl-optimization/40761
3201         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3202         Add new member loop_num.
3203         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3204         (ira_build): Remove the parameter.
3205
3206         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3207         (ira.c): Do not build CFG loops for one region allocation.  Remove
3208         argument from ira_build call.
3209
3210         * ira-build.c (init_loop_tree_node): New function.
3211         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3212         loops are not built.
3213         (more_one_region_p): Check current_loops.
3214         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3215         built.
3216         (add_loop_to_tree): Process loop equal to NULL too.
3217         (form_loop_tree): Separate the case when CFG loops are not built.
3218         Use explicitly number for the root.
3219         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3220         an assertion.
3221         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3222         instead of loop->num.
3223         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3224         (mark_all_loops_for_removal): Ditto.
3225         (remove_unnecessary_regions): Separate the case when CFG loops
3226         are not built.
3227         (ira_build): Remove the parameter.  Use explicit number of regions
3228         when CFG loops are not built.
3229
3230         * ira-color.c (print_loop_title): Separate the case for the root node.
3231         Use loop_num instead of loop->num.
3232         (move_spill_restore): Use loop_num instead of loop->num.
3233
3234         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3235         (change_loop): Ditto.
3236         (change_loop): Use loop_num instead of loop->num.
3237
3238         * ira-lives.c (process_bb_node_lives): Ditto.
3239
3240         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3241
3242         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3243
3244 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3245
3246         PR libmudflap/40778
3247         * tree-mudflap.c (mf_artificial): New function.
3248         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3249         mx_register_decls, mudflap_enqueue_decl): Use it.
3250
3251         PR target/51876
3252         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3253         numbers in the insn pattern.
3254
3255 2012-01-19  Michael Matz  <matz@suse.de>
3256
3257         PR tree-optimization/46590
3258         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3259         use it in remembering which conflicts we already created.
3260         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3261         bitmap.
3262
3263 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3264
3265         PR lto/51280
3266         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3267         (merge_and_complain): Same.
3268
3269 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3270
3271         PR bootstrap/50237
3272         * config/initfini-array.h: Guard content of the header
3273         with #ifdef HAVE_INITFINI_ARRAY.
3274         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3275         Add initfini-array.h to tm_file here.
3276         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3277         * config.gcc: Don't add initfini-array.h to tm_file here.
3278         * configure: Regenerated.
3279
3280 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3281
3282         PR rtl-optimization/51505
3283         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3284         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3285         (df_note_bb_compute): Update the call to df_kill_notes.
3286
3287 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3288
3289         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3290
3291 2012-01-18  Richard Guenther  <rguenther@suse.de>
3292
3293         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3294         of conversions to void *.
3295
3296 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3297             Richard Sandiford  <rdsandiford@googlemail.com>
3298
3299         PR middle-end/50325
3300         PR middle-end/51192
3301         * optabs.h (simplify_expand_binop): Declare.
3302         * optabs.c (simplify_expand_binop): Make global.
3303         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3304         endian targets if the source cannot be exactly covered by word
3305         mode chunks.
3306
3307 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3308
3309         PR bootstrap/51872
3310         * hard-reg-set.h (struct hard_reg_set_container): New type.
3311         * target.h (struct hard_reg_set_container): Forward declare.
3312         * target.def (set_up_by_prologue): New target hook.
3313         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3314         * doc/tm.texi: Regenerated.
3315         * function.c (thread_prologue_and_epilogue_insns): Change
3316         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3317         Call targetm.set_up_by_prologue on it.
3318         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3319         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3320
3321 2012-01-17  Nick Clifton  <nickc@redhat.com>
3322
3323         * config/rx/rx.c (rx_can_use_simple_return): New function.
3324         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3325         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3326
3327 2012-01-17  Richard Guenther  <rguenther@suse.de>
3328
3329         PR middle-end/51782
3330         * expr.c (expand_assignment): Take address-space information
3331         from the address operand of MEM_REF and TARGET_MEM_REF.
3332         (expand_expr_real_1): Likewise.
3333
3334 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3335
3336         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3337         reload dump is requested.
3338
3339 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3340
3341         PR other/51165
3342         * trans-mem.c (requires_barrier): Call may_be_aliased.
3343
3344 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3345
3346         PR tree-optimization/51877
3347         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3348         call arguments and fndecls compare equal, instead return false if they
3349         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3350         both SSA_NAMEs that are valueized the same, or they satisfy
3351         operand_equal_p.
3352
3353 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3354
3355         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3356         Solaris 11+.
3357         * configure: Regenerate.
3358
3359 2012-01-16  Jan Hubicka  <jh@suse.cz>
3360
3361         PR c/12245
3362         PR c++/14179
3363         * convert.c (convert_to_integer): Use fold_convert for
3364         converting an INTEGER_CST to integer type.
3365
3366 2012-01-16  Jason Merrill  <jason@redhat.com>
3367
3368         PR c++/14179
3369         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3370
3371 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3372
3373         PR bootstrap/51860
3374         * config/s390/s390.c (s390_chunkify_start): Don't skip
3375         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3376         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3377         If insn is followed by NOTE_INSN_VAR_LOCATION or
3378         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3379         Don't use location of note insns.
3380
3381         PR tree-optimization/51865
3382         * tree-inline.c (tree_function_versioning): Call remap_decl
3383         on DECL_RESULT whenever it has VOID_TYPE_P type.
3384
3385 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3386
3387         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3388         for calls to locally-binding MIPS16 functions if only the return
3389         type uses float regs.
3390
3391 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3392             Richard Sandiford  <rdsandiford@googlemail.com>
3393
3394         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3395         (SYMBOL_32_HIGH): Likewise.
3396         (mips_output_tls_reloc_directive): Declare.
3397         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3398         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3399         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3400         (mips_lo_relocs, mips_hi_relocs): Make extern.
3401         (mips16_stub_function): Move up file.
3402         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3403         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3404         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3405         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3406         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3407         (mips_get_tp): Add MIPS16 support.
3408         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3409         Generalize DTPREL and TPREL handling.
3410         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3411         Add MIPS16 TLS support.
3412         (mips_output_tls_reloc_directive): New function.
3413         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3414         * config/mips/predicates.md (symbolic_operand_with_high)
3415         (tls_reloc_operand): New predicates.
3416         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3417         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3418         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3419         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3420         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3421         (*tls_get_tp_mips16_call_<mode>): Likewise.
3422
3423 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3424
3425         PR rtl-optimization/51821
3426         * recog.c (peep2_find_free_register): Determine clobbered registers
3427         from insn pattern.
3428
3429 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3430
3431         PR target/50925
3432         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3433         * config/avr/avr.c: Likewise.
3434         * config/avr/avr.h: Likewise.
3435
3436 2012-01-13  Ian Lance Taylor  <iant@google.com>
3437
3438         PR c++/50012
3439         * tree.h (TYPE_QUALS): Add cast to int.
3440         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3441
3442 2012-01-13  Ian Lance Taylor  <iant@google.com>
3443
3444         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3445         comparing param_index to VEC_length result.
3446
3447 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3448
3449         * c-decl.c: Do not include tree-mudflap.h
3450         * tree-optimize.c: Likewise.
3451         * Makefile.in: Update dependencies.
3452
3453 2012-01-13  Richard Guenther  <rguenther@suse.de>
3454
3455         PR middle-end/8081
3456         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3457         variable-sized result always use RSO.
3458
3459 2012-01-12  DJ Delorie  <dj@redhat.com>
3460
3461         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3462         pointer type, not just the default pointer type.
3463
3464 2012-01-09  Richard Henderson  <rth@redhat.com>
3465             Denis Chertykov  <chertykov@gmail.com>
3466
3467         PR target/50925
3468         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3469         * config/avr/avr.c (avr_can_eliminate): Simplify.
3470         (avr_initial_elimination_offset): Likewise.
3471         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3472         (expand_epilogue): Likewise.
3473         (avr_legitimize_address): Gut.
3474         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3475         (avr_hard_regno_nregs): New.
3476         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3477         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3478         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3479         add soft frame pointer.
3480         (CALL_USED_REGISTERS): Likewise.
3481         (REG_CLASS_CONTENTS): Likewise.
3482         (REGISTER_NAMES): Likewise.
3483         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3484         (HARD_FRAME_POINTER_REGNUM): New.
3485         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3486         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3487         remove the HARD_FRAME_POINTER self-elimination.
3488
3489 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3490
3491         PR target/51756
3492         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3493         DECL_EXTERNAL when checking for initializers of progmem variables.
3494
3495 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3496
3497         PR tree-optimization/51799
3498         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3499         that the last operation is a type demotion.
3500
3501 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3502
3503         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3504         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3505
3506 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3507
3508         PR bootstrap/51796
3509         * combine.c (distribute_notes): If i3 is a noreturn call,
3510         allow old_size to be equal to args_size and make sure the
3511         noreturn call gets REG_ARGS_SIZE note.
3512         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3513         on noreturn calls even when the delta is 0.
3514
3515 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3516
3517         * gcov.c (STRING_SIZE): Remove.
3518         (generate_results): Erase annotations for source files with&nbs