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