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