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