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