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2012-04-23 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-23  Richard Guenther  <rguenther@suse.de>
2
3         PR c/53060
4         * c-typeck.c (build_binary_op): Fix typo.
5
6 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
7
8         PR tree-optimizations/52891
9         * tree-vect-patterns.c (adjust_bool_pattern): Use
10         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
11         but with non-standard precision.
12
13 2012-04-22  Ian Lance Taylor  <iant@google.com>
14
15         * godump.c (go_output_typedef): Dump size of structs.
16
17 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
18
19         Backport from mainline:
20
21         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
22         hints for 'A' operand types.
23
24 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
25
26         Backport from 2012-04-19 mainline r186588.
27
28         PR target/53033
29         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
30         the case *(X+const).
31
32 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
33
34         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
35
36 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
37
38         PR target/53020
39         * config/i386/sync.md (atomic_<code><mode>): Rename to
40         atomic_<logic><mode>.
41
42 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
43
44         Backport from mainline
45         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
46
47         PR target/52932
48         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
49         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
50         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
51         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
52         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
53         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
54         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
55         gen_avx2_permvarv8sf.
56
57 2012-04-16  Martin Jambor  <mjambor@suse.cz>
58
59         Backported from mainline
60
61         2012-04-13  Martin Jambor  <mjambor@suse.cz>
62         PR middle-end/52939
63
64         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
65         fold_ctor_reference returns a zero constant.
66
67 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
68
69         Backported from mainline
70         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
71
72         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
73         and __ILP32__ for x32.
74
75 2012-04-13  Tom de Vries  <tom@codesourcery.com>
76
77         Backport from mainline r186418.
78
79         2012-04-13  Tom de Vries  <tom@codesourcery.com>
80
81         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
82         parameters vuse and vuse_escaped.
83         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
84         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
85         vuse1 != vuse2.
86
87 2012-04-13  Richard Guenther  <rguenther@suse.de>
88
89         PR tree-optimization/52969
90         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
91         the condition for the COND_EXPR and handle predicate negation
92         by swapping the COND_EXPR arms.
93
94 2012-04-13  Richard Guenther  <rguenther@suse.de>
95
96         PR c/52862
97         * convert.c (convert_to_pointer): Remove special-casing of
98         zero.
99
100 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
101
102         Backport from mainline
103         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
104
105         PR target/52775
106         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
107         the list of options to enable the FCFID instruction.
108         (TARGET_EXTRA_BUILTINS): Adjust comment.
109
110 2012-04-12  Richard Guenther  <rguenther@suse.de>
111
112         PR tree-optimization/52943
113         * tree-chrec.h (chrec_is_positive): Remove.
114         * tree-scalar-evolution.c (chrec_is_positive): Move ...
115         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
116         Return false for a constant zero instead of negative.
117         (analyze_siv_subscript_cst_affine): Handle zero difference
118         in the initial condition explicitely.
119
120 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
121
122         PR middle-end/52894
123         * varasm.c (process_pending_assemble_externals): Set
124         pending_assemble_externals_processed true.
125         (assemble_external): Call assemble_external_real if the pending
126         assemble externals have been processed.
127
128 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
129
130         PR target/52717
131         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
132         the DECL generated for the special GOT helper.
133
134 2012-04-06  Walter Lee  <walt@tilera.com>
135
136         Backport from mainline
137         2012-03-07  Walter Lee  <walt@tilera.com>
138
139         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
140         REG_CFA_* notes for the stack pointer.
141         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
142         EH_RETURN_STACKADJ_RTX.
143         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
144         generate REG_CFA_* notes for the stack pointer.
145         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
146         by EH_RETURN_STACKADJ_RTX.
147
148 2012-04-06  Matt Turner  <mattst88@gmail.com>
149
150         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
151
152 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
153
154         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
155         of the destination isn't also a FP_REGS register.
156
157 2012-04-03  Richard Guenther  <rguenther@suse.de>
158
159         Backport from mainline
160         2012-03-02  Richard Guenther  <rguenther@suse.de>
161
162         PR tree-optimization/52406
163         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
164         (struct indices): Add unconstrained_base member.
165         (struct dr_alias): Remove unused vops member.
166         (DR_UNCONSTRAINED_BASE): New define.
167         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
168         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
169         be an artificial access that covers the whole indexed object,
170         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
171         plain decl base-objects to their MEM_REF variant.
172         (dr_may_alias_p): When the base-object of either data reference
173         has unknown size use only points-to information.
174         (compute_affine_dependence): Make dumps easier to read and
175         more verbose.
176         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
177         DR_REF when looking for packed references.
178         (vect_supportable_dr_alignment): Likewise.
179
180 2012-04-03  Richard Guenther  <rguenther@suse.de>
181
182         Backport from mainline
183         2012-03-15  Richard Guenther  <rguenther@suse.de>
184
185         PR middle-end/52580
186         * tree-data-ref.c (subscript_dependence_tester_1): Check
187         all dimensions for non-conflicting access functions.
188
189 2012-04-03  Richard Guenther  <rguenther@suse.de>
190
191         Backport from mainline
192         2012-03-06  Richard Guenther  <rguenther@suse.de>
193
194         PR middle-end/52493
195         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
196
197         2012-03-23  Richard Guenther  <rguenther@suse.de>
198
199         PR tree-optimization/52678
200         * tree-vectorizer.h (struct _stmt_vec_info): Add
201         loop_phi_evolution_part member.
202         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
203         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
204         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
205         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
206         Use the cached evolution part and the PHI nodes value from
207         the loop preheader edge instead of re-analyzing the evolution.
208
209         2012-03-26  Richard Guenther  <rguenther@suse.de>
210
211         PR tree-optimization/52701
212         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
213         compute and set the evolution part of PHI nodes.
214
215         2012-03-30  Richard Guenther  <rguenther@suse.de>
216
217         PR tree-optimization/52754
218         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
219         propagate arbitrary addresses into really plain dereferences.
220
221 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
222
223         PR tree-optimization/52835
224         * tree-data-ref.c (build_rdg): Return NULL if
225         compute_data_dependences_for_loop failed.
226
227 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
228
229         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
230         (stmt_can_make_abnormal_goto): Use it.
231         (is_ctrl_altering_stmt): Likewise.
232
233 2012-03-31  Martin Jambor  <mjambor@suse.cz>
234
235         Backported from mainline
236         2012-03-30  Martin Jambor  <mjambor@suse.cz>
237
238         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
239         is a builtin_stack_save in a dominating BB.
240
241 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
242
243         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
244         crossing 128bit lane boundary.
245
246 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
247
248         Backported from mainline
249         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
250
251         PR target/52698
252         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
253         New prototype.
254         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
255         * config/i386/i386.c: Include reload.h.
256         (ix86_legitimize_reload_address): New function.
257
258 2012-03-28  Martin Jambor  <mjambor@suse.cz>
259
260         Backported from mainline
261         2012-03-27  Martin Jambor  <mjambor@suse.cz>
262
263         PR middle-end/52693
264         * tree-sra.c (sra_modify_assign): Do not call
265         load_assign_lhs_subreplacements when working with an unscalarizable
266         region.
267
268 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
269
270         PR middle-end/52691
271         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
272         __builtin_va_start to __builtin_next_arg if the latter is
273         builtin_decl_explicit_p rather than when it is not.
274
275         PR middle-end/52750
276         * tree-vect-generic.c (vector_element): Perform multiplication
277         for pos in bitsizetype type instead of idx type.
278
279 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
280
281         Backport from 2012-03-28 mainline r185910.
282
283         PR target/52692
284         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
285         (avr_builtin_decl): New static function.
286         (struct avr_builtin_description, avr_bdesc): Move up.
287         Add GTY marker. Add field fndecl. Remove redundant field id.
288         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
289         (avr_expand_builtin): Code cleanup because .id is removed.
290
291 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
292
293         PR middle-end/51893
294         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
295         targets.
296
297 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
298
299         Backport from 2012-03-28 mainline r185907.
300
301         PR target/52737
302         * config.gcc (tm_file): Remove avr/multilib.h.
303
304         * doc/invoke.texi (AVR Options): Adjust
305         documentation of -mtiny-stack.
306
307         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
308         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
309         * config/avr/t-avr: Remove generation of multilib.h.
310         * config/avr/t-multilib: Regenerate.
311         * config/avr/multilib.h: Remove.
312         * config/avr/avr.opt (-msp8): New option.
313         (avr_sp8): New variable.
314         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
315         * config/avr/avr.h (AVR_HAVE_SPH): New define.
316         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
317         (avr_device_to_sp8): New prototype.
318         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
319         (DRIVER_SELF_SPECS): New define.
320         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
321         __AVR_SP8__, __AVR_HAVE_SPH__.
322         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
323         AVR_HAVE_8BIT_SP to decide if SP_H is present.
324         (avr_file_start): Ditto.
325
326 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
327
328         PR target/52736
329         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
330         instead of 8 in adjust_address.
331
332 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
333
334         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
335         of a unit before computing the offset in units.
336
337 2012-03-27  Richard Guenther  <rguenther@suse.de>
338
339         PR middle-end/52720
340         * fold-const.c (try_move_mult_to_index): Handle &x.array more
341         explicitely.
342
343 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
344
345         PR target/52610
346         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
347
348 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
349
350         PR middle-end/52640
351         * varasm.c: Include pointer-set.h.
352         (pending_assemble_externals_set): New pointer set.
353         (process_pending_assemble_externals): Destroy the pointer set.
354         (assemble_external): See if decl is in pending_assemble_externals_set,
355         and add it to pending_assemble_externals if necessary.
356         (init_varasm_once): Allocate pending_assemble_externals_set.
357
358 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
359
360         Backported from mainline
361         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
362
363         PR target/50310
364         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
365         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
366         (vector_ltgt<mode>): Likewise.
367         (vector_ordered<mode>): Likewise.
368         (vector_unordered<mode>): Likewise.
369         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
370
371 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
372
373         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
374         Make static.
375
376 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
377
378         Backported from mainline
379         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
380
381         PR target/48596
382         PR target/48806
383         * config/sh/sh.c (sh_register_move_cost): Increase cost between
384         GENERAL_REGS and FP_REGS for SImode.
385
386 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
387
388         PR middle-end/52547
389         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
390         on any new_local_var_chain vars declared during recursing on
391         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
392
393 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
394
395         Backport from 2012-03-22 mainline r185692.
396
397         PR target/52496
398         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
399         (unspecv): Add UNSPECV_MEMORY_BARRIER.
400         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
401         (delay_cycles_1, delay_cycles_2): Ditto.
402         (delay_cycles_3, delay_cycles_4): Ditto.
403         (nopv, *nopv): Ditto.
404         (sleep, *sleep): Ditto.
405         (wdr, *wdr): Ditto.
406
407         Backport from 2012-03-21 mainline r185605.
408
409         PR rtl-optimization/52543
410         PR target/52461
411         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
412         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
413         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
414         (avr_load_libgcc_p): Restrict to __flash loads.
415         (avr_out_lpm): Only handle 1-byte loads from __flash.
416         (avr_load_lpm): New function.
417         (avr_find_unused_d_reg): Remove.
418         (avr_out_lpm_no_lpmx): Remove.
419         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
420         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
421         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
422         (load_<mode>, load_<mode>_clobber): New insns.
423         (mov<mode>): For multi-byte move from non-generic
424         16-bit address spaces: Expand to load_<mode> resp.
425         load_<mode>_clobber.
426         (load<mode>_libgcc): Remove expander.
427         (split-lpmx): Remove split.
428
429         Backport from 2012-03-13 mainline r185329.
430
431         PR target/52488
432         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
433         offset (size) to a value the insns can deal with.
434         (expand_epilogue): Ditto.
435
436         Backport from 2012-03-12 mainline r185256.
437
438         PR target/52499
439         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
440         type from reg_class_t to enum reg_class.
441         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
442
443         Backport from 2012-03-12 mainline r185253.
444
445         PR target/52148
446         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
447         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
448         r184615 from 2012-02-28.
449
450         Backport from 2012-03-08 mainline r185105.
451
452         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
453         for constants in [-63,63].
454
455         Backport from 2012-03-08 mainline r185100.
456
457         PR target/52496
458         * config/avr/avr.c (avr_mem_clobber): New static function.
459         (avr_expand_delay_cycles): Add memory clobber operand to
460         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
461         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
462         (enable_interrupt, disable_interrupt): New expander.
463         (nopv, sleep, wdr): New expanders.
464         (delay_cycles_1): Add memory clobber.
465         (delay_cycles_2): Add memory clobber.
466         (delay_cycles_3): Add memory clobber.
467         (delay_cycles_4): Add memory clobber.
468         (cli_sei): New insn from former "enable_interrupt",
469         "disable_interrupt" with memory clobber.
470         (*wdt): New insn from former "wdt" with memory clobber.
471         (*nopv): Similar, but for "nopv".
472         (*sleep): Similar, but for "sleep".
473
474         Backport from 2012-03-07 mainline r185043.
475
476         PR target/52484
477         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
478
479         Backport from 2012-03-07 mainline r185032.
480
481         PR target/52506
482         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
483         to: RAMPZ, RAMPY, RAMPX, RAMPD.
484         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
485
486         Backport from 2012-03-07 mainline r185031.
487
488         PR target/52505
489         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
490         from RAM.
491         * config/avr/avr.md (xload_8): Adjust insn length.
492
493         Backport from 2012-03-07 mainline r185030.
494
495         PR target/52461
496         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
497         if RAMPZ affects reading from RAM.
498
499         Backport from 2012-03-05 mainline r184919.
500
501         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
502
503 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
504
505         Backport from mainline r185259.
506
507         PR other/52545
508         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
509         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
510
511 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
512
513         Backported from mainline
514         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
515
516         PR c/52577
517         * c-parser.c (c_parser_postfix_expression)
518         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
519
520         * config/i386/smmintrin.h: Avoid /* within a comment.
521         * config/i386/nmmintrin.h: Likewise.
522
523 2012-03-22  Richard Guenther  <rguenther@suse.de>
524
525         * BASE-VER: Set to 4.7.1.
526         * DEV-PHASE: Set to prerelease.
527
528 2012-03-22  Release Manager
529
530         * GCC 4.7.0 released.
531
532 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
533
534         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
535
536 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
537             Andrew Pinski  <apinski@cavium.com>
538
539         PR middle-end/52592
540         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
541         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
542         calls instead of __builtin_ir{int,ound}*.
543
544 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
545
546         PR c++/52582
547         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
548         if c_node is NULL.
549
550 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
551
552         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
553         Refer to GCC 4.7 version of c99status.html.
554
555 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
556
557         Backport from mainline
558         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
559
560         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
561         redefine to be NULL if the current bit-size is different from the
562         configured bit-size.
563
564         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
565         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
566         set the default tuning.  Add asserts to make sure the cpu and tune
567         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
568         test whether the index is set, instead of > 0.
569         (rs6000_file_start): Do not reset the default cpu if the current
570         bit-size is different from the configured bit-size.
571
572 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
573
574         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
575         binutils reference.
576         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
577         Update binutils references.
578         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
579         Update binutils reference.
580         Update Sun as/GNU ld caveat.
581         Document binutils largefile requirement for LTO plugin.
582         Remove reference to alternate libpthread.
583
584 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
585
586         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
587         reference.
588         (Specific, mips-sgi-irix6): Likewise.
589
590 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
591
592         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
593         * configure: Regenerate.
594
595 2012-03-07  Richard Henderson  <rth@redhat.com>
596
597         * config/m68k/m68k.h (ISA_HAS_TAS): New.
598         * config/m68k/sync.md (atomic_test_and_set): Use it.
599         (atomic_test_and_set_1): Likewise.
600
601 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
602
603         PR target/51417
604         * Makefile.in: Let install-gcc-ar depend on installdirs,
605         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
606         Don't double canonicalize if cross-compiling.
607
608 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
609
610         * trans-mem.c: New typedef for tm_region_p.
611         Define vector types for tm_region_p.
612         (tm_region_init): Replace region_worklist to a vector called
613         bb_regions.
614
615 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
616
617         PR middle-end/52463
618         * trans-mem.c (tm_region_init): Use last_basic_block.
619
620 2012-03-05  Richard Henderson  <rth@redhat.com>
621
622         PR tree-opt/52242
623         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
624         * omp-low.c (expand_omp_atomic): Assume anything aligned to
625         BIGGEST_ALIGNMENT is aligned.
626
627 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
628
629         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
630
631 2012-03-05  Richard Henderson  <rth@redhat.com>
632
633         PR target/52481
634         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
635         instead of calling negqi2 directly.
636
637 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
638
639         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
640         (INTMAX_TYPE): Use it.
641         (UINTMAX_TYPE): Likewise.
642         (SUBTARGET_OVERRIDE_OPTIONS): Define.
643         (irix6_c_common_override_options): Declare.
644         (C_COMMON_OVERRIDE_OPTIONS): Define.
645         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
646         * config/mips/irix6-c.c: New file.
647         * config/mips/t-irix6 (irix6-c.o): New target.
648         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
649         cxx_target_objs.
650
651 2012-03-02  Richard Henderson  <rth@redhat.com>
652
653         * optabs.c (expand_atomic_test_and_set): Honor
654         atomic_test_and_set_trueval even when atomic_test_and_set
655         optab is not in use.
656
657 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
658
659         Backport from mainline
660         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
661
662         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
663
664 2012-03-02  Richard Guenther  <rguenther@suse.de>
665
666         * DEV-PHASE: Set to prerelease.
667
668 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
669
670         * config.gcc (obsolete): Add all ARM targets using the FPA.
671         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
672         * doc/install.texi: Avoid references to obsolete ARM ports.
673
674 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
675
676         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
677
678 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
679             Joern Rennecke  <joern.rennecke@embecosm.com>
680
681         * doc/extend.texi: Expand and update information on interrupt
682         attribute for Epiphany.
683
684 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
685
686         * config/sh/sh-protos.h: Update copyright notice dates.
687         * config/sh/sh.h: Likewise.
688         * config/sh/sh.md: Likewise.
689         * config/sh/constraints.md: Likewise.
690         * config/sh/predicates.md: Likewise.
691
692 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
693
694         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
695         * config/sh/sh.c (tertiary_reload_operand): Likewise.
696
697 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
698
699         * config/sh/constraints.md: Fix comment typo.
700
701 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
702
703         PR target/52408
704         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
705         unsigned HOST_WIDE_INT.
706         (zvdep_imm64): Likewise.
707         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
708         (vdepi_and): Likewise.
709         Likewise for unamed 64-bit patterns.
710         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
711
712 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
713
714         PR debug/52001
715         PR rtl-optimization/52417
716         * cselib.c (cselib_any_perm_equivs): New variable.
717         (cselib_reset_table): Check that it's not set when not
718         preserving constants.
719         (cselib_add_permanent_equiv): Set it.
720         (cselib_have_permanent_equivalences): New.
721         (cselib_init, cselib_finish): Reset it.
722         * cselib.h (cselib_have_permanent_equivalences): Declare.
723         * alias.c (get_addr): Restore earlier behavior when there
724         aren't permanent equivalences.
725
726 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
727
728         * config/mn10300/mn10300-modes.def: Fix copyright notice.
729         * config/v850/v850-modes.def: Fix copyright notice.
730
731 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
732
733         * doc/extend.texi (AVR Built-in Functions): Document
734         __builtin_avr_flash_segment.
735
736         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
737         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
738         (*split.flash_segment): New insn-and-split.
739         * config/avr/avr.c (avr_init_builtins): Add local variables:
740         const_memx_void_node, const_memx_ptr_type_node,
741         char_ftype_const_memx_ptr.
742
743 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
744
745         PR tree-optimization/52445
746         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
747         add ssa_name_ver, offset and size fields and change store field
748         to bool.
749         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
750         (add_or_mark_expr): Likewise.  Only consider previous stores
751         with the same size and offset.
752         (nt_init_block): Only look at gimple_assign_single_p stmts,
753         doesn't look at rhs2.
754
755 2012-03-01  Richard Guenther  <rguenther@suse.de>
756
757         PR middle-end/52443
758         * tree-cfg.c (verify_gimple_assign_unary): Allow any
759         conversions from integral types to pointer types.
760
761 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
762
763         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
764         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
765         unintentionally removed in r184616.
766
767 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
768
769         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
770         3DNow from bdver1.
771
772 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
773             Uros Bizjak  <ubizjak@gmail.com>
774
775         PR target/52437
776         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
777         alternatives, add "e" constraint to the new last alternative
778         and ! to last 3 alternatives.
779
780 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
781
782         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
783         DW_AT_artificial attributes at the end of the processing.
784         (gen_array_type_die): Likewise.
785         (gen_enumeration_type_die): Likewise.
786         (gen_struct_or_union_type_die): Likewise.
787         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
788         the parent type.
789
790 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
791
792         PR middle-end/52419
793         * expr.c (expand_assignment): If doing misaligned store that doesn't
794         cover all mode bits, perform a RMW cycle.
795
796         PR tree-optimization/52429
797         * tree-parloops.c (separate_decls_in_region_debug): Return early
798         if var is LABEL_DECL.
799
800 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
801
802         PR tree-optimization/52424
803         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
804         calling dom_thread_across_edge.
805
806 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
807
808         * config/avr/avr.c: Move definition of TARGET macros to end of file.
809
810 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
811
812         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
813         * config/avr/avr.c (avr_output_bld): Remove unused function.
814         (avr_out_sbxx_branch): Use "%T" to print bit position.
815
816 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
817
818         * config/avr/avr.md: Untabify.
819
820 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
821
822         * config/avr/avr.md (eqne): New code iterator.
823         (*dec-and-branchsi): Use it in text peephole's condition.
824         (*dec-and-branchhi): Ditto.
825         (*dec-and-branchqi): Ditto.
826
827 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
828
829         PR target/49939
830         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
831         the device does not have the skip-bug.
832
833 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
834
835         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
836         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
837         -mpretend-cmove): New.
838
839 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
840
841         PR bootstrap/52397
842         * df.h (struct df_d): Adjust comment that hard_regs_live_count
843         doesn't count DEBUG_INSN refs.
844         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
845         for DEBUG_INSN refs.
846
847 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
848
849         Partially revert:
850
851         2012-02-20  Richard Guenther  <rguenther@suse.de>
852         PR tree-optimization/52298
853         * tree-vect-stmts.c (vectorizable_load): Properly use
854         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
855         outer loops.
856
857 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
858
859         PR middle-end/51752
860         * gimple.h (gimple_in_transaction): New.
861         (gimple_set_in_transaction): New.
862         (struct gimple_statement_base): Add in_transaction field.
863         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
864         transaction loads.
865         (tree_ssa_lim_initialize): Compute transaction bits.
866         * tree.h (compute_transaction_bits): Protoize.
867         * trans-mem.c (tm_region_init): Use the heap to store BB
868         auxilliary data.
869         (compute_transaction_bits): New.
870
871 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
872
873         * gcc.c (display_help): Document --help=common and sort entries
874         alphabetically.
875
876 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
877
878         * doc/install.texi: Document check-$LANG specific shortcuts
879
880 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
881
882         PR target/51534
883         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
884         and vcgtu.
885         * config/arm/arm_neon.h: Regenerate.
886         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
887         (neon_vcgeu): New insn.
888         (neon_vcgtu): Likewise.
889         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
890         (ops): Unsigned comparison intrinsics call a different
891         builtin.
892
893 2012-02-28  Richard Guenther  <rguenther@suse.de>
894
895         PR target/52407
896         * config/i386/i386.c (ix86_expand_vector_set): Fix element
897         ordering for the VEC_CONCAT for two element vectors for
898         V2SFmode, V2SImode and V2DImode.
899
900 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
901
902         PR target/49448
903         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
904         detecting big-endian triplets.
905
906 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
907
908         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
909         mode if there is no type information available.
910
911 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
912
913         PR tree-optimization/53207
914         * doc/invoke.texi: Document as experimental and relying on graphite.
915
916 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
917
918         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
919         of initializer to changes from r184614.
920
921 2012-02-28  Richard Guenther  <rguenther@suse.de>
922
923         PR tree-optimization/52395
924         * tree-sra.c (build_ref_for_offset): Also look at the base
925         TYPE_ALIGN when figuring out the alignment of the replacement.
926
927 2012-02-28  Richard Guenther  <rguenther@suse.de>
928
929         PR tree-optimization/52402
930         * ipa-prop.c (ipa_modify_call_arguments): Properly use
931         mis-aligned types when creating the accesses at the call site.
932
933 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
934
935         * config/avr/builtins.def: New file.
936         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
937         * config/avr/avr.c (enum avr_builtin_id): Use it.
938         (avr_init_builtins): Use it. And use avr_bdesc.
939         (bdesc_1arg): Remove.
940         (bdesc_2arg): Remove.
941         (bdesc_3arg): Remove.
942         (struct avr_builtin_description): Add field n_args.
943         (avr_bdesc): New static variable using builtins.def.
944         (avr_expand_builtin): Use it.
945         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
946         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
947         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
948
949 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
950
951         PR target/52148
952         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
953         match only one single hard register with respective hard reg rtx.
954         (movmemx_<mode>): Ditto.
955         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
956         insn anatomy of movmem[x]_<mode>.
957         (avr_out_movmem): Same for printing assembler and operand usage.
958
959 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
960
961         PR target/49868
962         PR target/52261
963         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
964         address spaces located outside of device flash.
965
966         * config/avr/avr.h (base_arch_s): Remove field n_segments.
967         (mcu_type_s): Add field n_flash.
968         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
969         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
970         (AVR_MCU): Add N_FLASH argument.
971         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
972         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
973         macro __FLASH<n> if that address space makes sense for the device.
974         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
975         outside of target flash.
976         (avr_asm_named_section): Ditto.
977         (avr_asm_select_section): Ditto.
978         (avr_addr_space_convert): Ditto.
979         (avr_emit_movmemhi): Ditto.
980         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
981         address space is outside of device flash.
982         (avr_insert_attributes): Ditto.
983         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
984         avr_current_arch->n_segments.
985
986 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
987
988         PR target/52352
989         * config/i386/i386.md (*movabs<mode>_1): Enable only for
990         TARGET_LP64.
991         (*movabs<mode>_2): Likewise.
992
993 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
994
995         PR target/52375
996         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
997         s_register_operand in the test instead of REG_P.  Don't call
998         gen_reg_rtx if it won't be used.
999
1000         PR tree-optimization/52376
1001         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1002
1003 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1004
1005         * ifcvt.c (noce_get_condition): Check condition variable is not
1006         small_register_classes_for_mode_p before accepting.
1007
1008 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1009
1010         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1011
1012 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1013
1014         Revert:
1015         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1016         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1017         tuning parameters.
1018         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1019
1020 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1021
1022         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1023
1024 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1025
1026         * config/sh/predicates.md: Remove blank lines.
1027         * config/sh/sh.c: Fix typos in comments.
1028         * config/sh/constraints.md: Likewise.
1029         * config/sh/sh.md: Remove blank lines.
1030         Fix typos in comments.  Use ;; as comment characters.
1031
1032 2012-02-26  Walter Lee  <walt@tilera.com>
1033
1034         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1035         (replace_mov_pcrel_step2): Ditto.
1036
1037 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1038
1039         PR debug/52001
1040         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1041         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1042         and locs that reference values newer than the non-canonical value
1043         at hand.  Return the canonical value as a worst case.
1044         (memrefs_conflict_p): Walk canonical value's locs.
1045
1046         PR debug/52001
1047         * cselib.c (preserve_only_constants): Rename to...
1048         (preserve_constants_and_equivs): ... this.  Split out...
1049         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1050         of other preserved expressions too.
1051         (cselib_reset_table): Adjust.
1052         * var-tracking.c (reverse_op): Use canonical value to build
1053         reverse operation.
1054
1055 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1056
1057         * config/i386/i386.c (ix86_delegitimize_address): Handle
1058         UNSPEC_PCREL plus displacement.
1059
1060 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1061
1062         PR target/52261
1063         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1064         to test for unusedness in st X addressing.
1065
1066 2012-02-24  Richard Guenther  <rguenther@suse.de>
1067
1068         PR middle-end/52361
1069         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1070         (is_gimple_reg_type): Move inline ...
1071         * gimple.h (is_gimple_reg_type): ... here.
1072
1073 2012-02-24  Richard Guenther  <rguenther@suse.de>
1074
1075         PR middle-end/52361
1076         * passes.c (execute_function_todo): When verifying SSA form
1077         verify gimple form first.
1078         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1079
1080 2012-02-24  Richard Guenther  <rguenther@suse.de>
1081
1082         PR middle-end/52355
1083         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1084         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1085
1086 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1087
1088         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1089
1090 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1091
1092         * tree-phinodes.c (make_phi_node): Mark static.
1093         * tree-flow.h (make_phi_node): Remove extern decl.
1094         * doc/gimple.texi (make_phi_node): Remove documentation.
1095
1096 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1097
1098         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1099         * tree-ssa-sccvn.c (print_scc): Ditto.
1100
1101 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1102
1103         * doc/passes.texi (Full redundancy elimination): Fix typo.
1104
1105 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1106
1107         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1108
1109 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1110
1111         PR bootstrap/52287
1112         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1113
1114 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1115
1116         PR c/52290
1117         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1118
1119 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1120
1121         * config/avr/avr.md (code_stdname): Add ior, xor.
1122         (xior): New code iterator.
1123         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1124         (*<code_stdname><mode>qi.byte1-3): Ditto.
1125
1126 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1127
1128         PR tree-optimization/52019
1129         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1130         CLOBBER stmts.
1131
1132 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1133
1134         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1135         HAVE_INITFINI_ARRAY to work around namespace pollution in
1136         certain versions of newlib system headers.
1137         * config.in: Regenerate.
1138         * configure: Regenerate.
1139         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1140         instead of HAVE_INITFINI_ARRAY.
1141
1142 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1143
1144         PR target/52330
1145         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1146         is not offsettable memory reference.
1147
1148 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1149
1150         PR target/18145
1151         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1152         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1153
1154 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1155
1156         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1157         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1158
1159 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1160
1161         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1162         library on Solaris 8 even without TLS support.
1163         * configure: Regenerate.
1164
1165 2012-02-22  Richard Guenther  <rguenther@suse.de>
1166
1167         PR middle-end/52329
1168         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1169         for GIMPLE_DEBUG stmts.
1170
1171 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1172
1173         PR middle-end/51782
1174         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1175         according to the base object.
1176
1177 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1178
1179         PR rtl-optimization/50063
1180         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1181         and 2 (8-bit SP) in operand 2.
1182         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1183         setup to use movhi_sp_r instead of vanilla move to write SP.
1184         Adjust REG_CFA notes to superseed unspec.
1185         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1186         of vanilla move.
1187         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1188         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1189         irq_state 1 (IRQ known to be on) here.
1190
1191 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1192
1193         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1194         WORDS_BIG_ENDIAN.
1195         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1196         assign_hard_reg): Likewise.
1197
1198 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1199
1200         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1201
1202 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1203
1204         * config/avr/avr.md
1205         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1206         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1207
1208 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1209
1210         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1211         prototype from here to...
1212         * config/avr/avr.h: ...here.
1213
1214 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1215
1216         PR target/52294
1217         * thumb2.md (thumb2_shiftsi3_short): Split register and
1218         immediate shifts.  For register shifts tie operands 0 and 1.
1219         (peephole2 for above): Check that register-controlled shifts
1220         have suitably tied operands.
1221
1222 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1223
1224         PR target/52137
1225         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1226         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1227         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1228         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1229         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1230         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1231         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1232         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1233         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1234         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1235         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1236         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1237         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1238         bdver1_ssevector_avx256_unaligned_load,
1239         bdver1_ssevector_sse128_unaligned_load,
1240         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1241         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1242         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1243         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1244         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1245         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1246         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1247         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1248         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1249         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1250         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1251         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1252         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1253         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1254         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1255         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1256         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1257         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1258         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1259         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1260         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1261         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1262         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1263         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1264         bdver1_ssediv_double_load, bdver1_ssediv_double,
1265         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1266         Add "bdver2" attribute.
1267
1268 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1269
1270         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1271         default if possible and not specified otherwise.
1272
1273 2012-02-21  Richard Guenther  <rguenther@suse.de>
1274
1275         PR middle-end/52314
1276         * gimplify.c (create_tmp_from_val): Use the main variant type
1277         for the type of the temporary we create.
1278
1279 2012-02-21  Richard Guenther  <rguenther@suse.de>
1280
1281         PR tree-optimization/52324
1282         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1283         do not gimplify a MEM_REF address operand if it is already
1284         in suitable form.
1285
1286 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1287
1288         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1289         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1290
1291 2012-02-21  Richard Guenther  <rguenther@suse.de>
1292
1293         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1294         nested_in_vect_loop.
1295
1296 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1297
1298         PR tree-optimization/52318
1299         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1300         vdef also to non-pure/const call stmts in the sequence.
1301
1302 2012-02-20  David S. Miller  <davem@davemloft.net>
1303
1304         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1305         don't use the "rd %pc" instruction on v9 for PIC register loads.
1306
1307 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1308
1309         PR middle-end/52141
1310         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1311         in a transaction safe function.
1312
1313 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1314
1315         PR target/52238
1316         * stor-layout.c (place_field): Handle desired_align for
1317         ms-bitfields, too.
1318
1319 2012-02-20  Richard Guenther  <rguenther@suse.de>
1320
1321         PR tree-optimization/52298
1322         * tree-vect-stmts.c (vectorizable_store): Properly use
1323         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1324         outer loops.
1325         (vectorizable_load): Likewise.
1326         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1327         Access DR_STEP after ensuring it is not NULL.
1328
1329 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1330
1331         PR tree-optimization/52286
1332         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1333         optimization use double_int_to_tree instead of build_int_cst_wide,
1334         rewrite to use double_int vars.
1335
1336 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1337
1338         PR target/50166
1339         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1340         Define _start.
1341         Remove -e 0 from $gcc_cv_ld invocation.
1342         Only use __GLIBC_PREREQ if defined.
1343         Enable on Solaris since Solaris 8 patch.
1344         (gcc_SUN_LD_VERSION): New macro.
1345         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1346         gcc_SUN_LD_VERSION for version number format.
1347         * configure: Regenerate.
1348         * varasm.c (get_elf_initfini_array_priority_section): Set
1349         SECTION_NOTYPE for non-default priority.
1350         Use get_section instead of get_unnamed_section to emit
1351         .init_array/.fini_array with default priority.
1352
1353 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1354
1355         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1356         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1357         (mips_start_unique_function, mips_output_mips16_rdhwr)
1358         (mips_code_end): New functions.
1359         (TARGET_ASM_CODE_END): Define.
1360
1361 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1362
1363         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1364         to stubs with non-sibling calls.
1365
1366 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1367
1368         * doc/invoke.texi (-fira-* options): Copy-edit.
1369         (ira-* parameters): Copy-edit.
1370
1371 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1372
1373         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1374         GCC coding conventions.
1375
1376 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1377
1378         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1379         when used as adjectives.
1380
1381 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1382
1383         * doc/invoke.texi: Clean up "that"/"which" confusion.
1384
1385 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1386
1387         * system.h: Poison SMALL_REGISTER_CLASSES
1388         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1389         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1390
1391 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1392
1393         PR tree-optimization/52285
1394         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1395         when deciding if a call is a tail call or tail recursion.
1396
1397 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1398
1399         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1400         interger-constant displacement for UNSPEC_PCREL.
1401
1402 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1403
1404         PR rtl-optimization/52208
1405         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1406         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1407
1408         PR tree-optimization/52255
1409         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1410         loop->header has virtual PHI, but exit_e->dest doesn't, add
1411         virtual PHI to exit_e->dest and adjust all uses after the loop.
1412
1413         PR debug/52260
1414         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1415         children with clone_tree_hash, not after it.
1416
1417 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1418
1419         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1420         extended identifiers.
1421
1422 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1423
1424         PR middle-end/51929
1425         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1426         a same_body_alias, also test whether e->callee isn't a former
1427         or current clone of the decl this is a same body alias of.
1428
1429         PR translation/52264
1430         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1431
1432 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1433
1434         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1435
1436 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1437
1438         PR target/52199
1439         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1440         force_reg instead of copy_to_reg for better optimization.  Force
1441         non-register or memory operands into a register.
1442
1443 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1444
1445         * extend.texi: Reserve upper bits of memory model for future use.
1446
1447 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1448             Anatoly Sokolov <aesok@post.ru>
1449             Eric Weddington <eric.weddington@atmel.com>
1450
1451         PR target/52261
1452         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1453         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1454         Rewrite initializers for .macro.
1455         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1456         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1457         atxmega32d4, atxmega32x1.
1458         avrxmega4: atxmega64a3, atxmega64d3.
1459         avrxmega5: atxmega64a1, atxmega64a1u.
1460         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1461         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1462         avrxmega7: atxmega128a1, atxmega128a1u.
1463         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1464         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1465         (struct base_arch_s): Rename reserved to xmega_p.
1466         Rename reserved2 to have_rampd.
1467         (AVR_XMEGA): New define.
1468         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1469         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1470         * config/avr/predicates.md (io_address_operand): Take into
1471         account SFR offset.
1472         (low_io_address_operand): Ditto.
1473         (high_io_address_operand): Ditto.
1474         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1475         (enabled, movhi_sp_r): Use them.
1476         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1477         cpp_define_formatted to built-in define __AVR_ARCH__.
1478         (__AVR_XMEGA__): New built-in define.
1479         (__AVR_HAVE_RAMPD__): New built-in define.
1480         (__AVR_HAVE_RAMPX__): New built-in define.
1481         (__AVR_HAVE_RAMPY__): New built-in define.
1482         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1483
1484         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1485         (avr_option_override): Initialize them.
1486         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1487         (avr_init_expanders): Initialize them. No more block several calls.
1488         (emit_push_sfr): New static function.
1489         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1490         Handle AVR_XMEGA.
1491         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1492         (avr_print_operand): Print addreeses as symbols for
1493         RAMPX, RAMPY, RAMPD, CCP.
1494         (output_movhi): Handle AVR_XMEGA when writing to SP.
1495         (avr_out_movhi_mr_r_xmega): New static function.
1496         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1497         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1498         __RAMPD__,  __CCP__ as needed.
1499
1500         * config/avr/multilib.h: Regenerate.
1501         * config/avr/t-multilib: Regenerate.
1502         * config/avr/avr-tables.opt: Regenerate.
1503
1504 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1505
1506         PR tree-optimization/50561
1507         * graphite-flattening.c (lst_project_loop): Do not
1508         remove old scattering dimensions after flattening.
1509         (lst_do_flatten): Likewise.
1510
1511 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1512
1513         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1514         __builtin_avr_map8, __builtin_avr_map16.
1515         Document __builtin_avr_insert_bits.
1516
1517         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1518         (insert_bits): New insn.
1519         (adjust_len.map_bits): Rename to insert_bits.
1520         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1521         * avr-protos.h (avr_out_map_bits): Remove.
1522         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1523         * config/avr/constraints.md (Cxf,C0f): New.
1524         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1525         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1526         New built-in define __BUILTIN_AVR_INSERT_BITS.
1527         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1528         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1529         (avr_move_bits): Rewrite.
1530         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1531         functions.
1532         (avr_map_op_t): New typedef.
1533         (avr_map_op): New static variable.
1534         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1535         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1536         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1537         (bdesc_3arg, avr_expand_triop_builtin): New.
1538         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1539         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1540         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1541         (avr_map_equal_p, avr_map_sig_p): Remove.
1542         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1543         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1544         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1545         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1546         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1547         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1548
1549 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1550
1551         * config/c6x/c6x.md (reserve_cycles): New attribute.
1552         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1553         don't reserve functional units after the branch occurs.
1554
1555 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1556
1557         PR middle-end/52142
1558         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1559         functions into non-tm_pure functions.
1560
1561 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1562
1563         PR lto/52178
1564         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1565         (iterative_hash_canonical_type): Likewise.
1566         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1567         the dead edges.
1568
1569 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1570
1571         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1572         sched-group insn, it either remains alone or the entire list is pruned.
1573
1574 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1575
1576         * doc/install.texi (Prerequisites): Fix grammar.
1577         (Configuration): Likewise.
1578
1579 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1580
1581         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1582         MPC as part of GCC before describing configuring with --with-gmp etc.
1583         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1584         sources are present.
1585
1586 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1587
1588         PR debug/51950
1589         * dwarf2out.c (clone_tree_hash): New function.
1590         (copy_decls_walk): Use it instead of clone_tree.
1591
1592 2012-02-14  Richard Guenther  <rguenther@suse.de>
1593
1594         PR tree-optimization/52244
1595         PR tree-optimization/51528
1596         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1597         replacements for integral types.
1598
1599 2012-02-14  Walter Lee  <walt@tilera.com>
1600
1601         * config.gcc: Handle tilegx and tilepro.
1602         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1603         tilegx and tilepro.
1604         Add HAVE_AS_TLS check for tilegx and tilepro.
1605         * configure: Regenerate.
1606         * doc/contrib.texi: Add Mat Hostetter and self.
1607         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1608         Document instruction intrinsics and network accessing intrinsics.
1609         (TILEPro Built-in Functions): New node.  Document instruction
1610         intrinsics and network accessing intrinsics.
1611         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1612         (Specific, tilepro-*-linux*): Likewise.
1613         * doc/invoke.texi (TILE-Gx Options): New section.
1614         (TILEPro Options): New section.
1615         * doc/md.texi (TILE-Gx): New section.
1616         (TILEPro): New section.
1617         * common/config/tilegx/tilegx-common.c: New file.
1618         * common/config/tilepro/tilepro-common.c: New file.
1619         * config/tilegx/constraints.md: New file.
1620         * config/tilegx/linux.h: New file.
1621         * config/tilegx/mul-tables.c: New file.
1622         * config/tilegx/predicates.md: New file.
1623         * config/tilegx/sync.md: New file.
1624         * config/tilegx/t-tilegx: New file.
1625         * config/tilegx/tilegx-builtins.h: New file.
1626         * config/tilegx/tilegx-c.c: New file.
1627         * config/tilegx/tilegx-generic.md: New file.
1628         * config/tilegx/tilegx-modes.def: New file.
1629         * config/tilegx/tilegx-multiply.h: New file.
1630         * config/tilegx/tilegx-protos.h: New file.
1631         * config/tilegx/tilegx.c: New file.
1632         * config/tilegx/tilegx.h: New file.
1633         * config/tilegx/tilegx.md: New file.
1634         * config/tilegx/tilegx.opt: New file.
1635         * config/tilepro/constraints.md: New file.
1636         * config/tilepro/gen-mul-tables.cc: New file.
1637         * config/tilepro/linux.h: New file.
1638         * config/tilepro/mul-tables.c: New file.
1639         * config/tilepro/predicates.md: New file.
1640         * config/tilepro/t-tilepro: New file.
1641         * config/tilepro/tilepro-builtins.h: New file.
1642         * config/tilepro/tilepro-c.c: New file.
1643         * config/tilepro/tilepro-generic.md: New file.
1644         * config/tilepro/tilepro-modes.def: New file.
1645         * config/tilepro/tilepro-multiply.h: New file.
1646         * config/tilepro/tilepro-protos.h: New file.
1647         * config/tilepro/tilepro.c: New file.
1648         * config/tilepro/tilepro.h: New file.
1649         * config/tilepro/tilepro.md: New file.
1650         * config/tilepro/tilepro.opt: New file.
1651
1652 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR tree-optimization/52210
1655         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1656         vect_model_simple_cost with two entry vect_def_type array instead
1657         of an address of dt.
1658
1659 2012-02-14  Richard Guenther  <rguenther@suse.de>
1660
1661         PR lto/52178
1662         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1663         Do not stream DECL_QUALIFIER.
1664         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1665         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1666         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1667
1668 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1669
1670         PR c/52181
1671         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1672         newdecl.
1673
1674 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1675
1676         PR bootstrap/52172
1677         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1678         * cselib.c (cselib_subst_to_values_from_insn): New function.
1679         * sched-deps.c (add_insn_mem_dependence,
1680         sched_analyze_1, sched_analyze_2): Use it.
1681
1682 2012-02-13  Jan Hubicka  <jh@suse.cz>
1683
1684         PR middle-end/52214
1685         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1686
1687 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1688
1689         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1690         (GTM_SELF_SPECS): Define if not already defined.
1691         (driver_self_specs): Add GTM_SELF_SPECS.
1692         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1693         (GTM_SELF_SPECS): Define.
1694         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1695         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1696
1697 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1698
1699         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1700         away if seen.
1701
1702         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1703
1704         PR middle-end/52230
1705         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1706         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1707
1708 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1709
1710         PR c/52190
1711         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1712
1713 2012-02-13  Richard Guenther  <rguenther@suse.de>
1714
1715         PR translation/52211
1716         * passes.c (enable_disable_pass): Fix typo.
1717
1718 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1719
1720         PR middle-end/52209
1721         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1722         XOR for reduce_bit_field if type is unsigned.
1723
1724 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1725
1726         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1727         disallow changes from SFmode to mode with different size in FP regs.
1728
1729 2012-02-12  Robert Millan  <rmh@gnu.org>
1730             Gerald Pfeifer <gerald@pfeifer.com>
1731
1732         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1733         Tweak comment.
1734
1735 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1736
1737         PR rtl-optimization/52175
1738         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1739         to frame-related instructions.
1740
1741 2012-02-10  Jason Merrill  <jason@redhat.com>
1742
1743         PR c++/51910
1744         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1745         (demangle_new_symbols): Fill it.
1746         (scan_linker_output): Walk it.
1747         (start_tweaking): Split out from scan_linker_output.
1748         (maybe_tweak): Update sym->chosen.
1749         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1750
1751 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR debug/52132
1754         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1755
1756 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1757
1758         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1759         having the same mode as previous compare.
1760
1761 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1762
1763         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1764         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1765         (nonlocal_goto_internal): Likewise.
1766         (nonlocal_goto): Emit a use and an indirect jump directly.
1767
1768 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1769
1770         PR c/52190
1771         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1772         __atomic_{is,always}_lock_free.
1773
1774 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         PR target/52146
1777         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1778         negative constant address for x32.
1779
1780 2012-02-10  Richard Henderson  <rth@redhat.com>
1781
1782         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1783         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1784         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1785
1786 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1787             Ira Rosen  <irar@il.ibm.com>
1788
1789         PR tree-optimization/50031
1790         * targhooks.c (default_builtin_vectorization_cost): Handle
1791         vec_promote_demote.
1792         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1793         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1794         all types of reduction and pattern statements.
1795         (vect_estimate_min_profitable_iters): Likewise.
1796         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1797         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1798         for explicit realigns.
1799         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1800         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1801         vec_promote_demote.
1802         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1803         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1804         vec_perm for VSX and handle vec_promote_demote.
1805
1806 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR middle-end/52177
1809         * builtins.c (fold_builtin_atomic_always_lock_free,
1810         expand_builtin_atomic_always_lock_free,
1811         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1812         Return and/or test boolean_true_node/boolean_false_node instead of
1813         integer_one_node/integer_zero_node.
1814
1815 2012-02-10  Jan Hubicka  <jh@suse.cz>
1816
1817         PR middle-end/48600
1818         * predict.c (predict_paths_for_bb): Prevent looping.
1819         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1820
1821 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1822
1823         * config/arm/arm.c (output_move_double): In one case properly
1824         count number of instructions that will be emitted.
1825
1826 2012-02-10  Richard Guenther  <rguenther@suse.de>
1827
1828         PR translation/52193
1829         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1830
1831 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1832
1833         PR middle-end/52140
1834         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1835
1836 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1837
1838         PR debug/52165
1839         * var-tracking.c (emit_note_insn_var_location): If
1840         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1841         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1842         non-NOTE_DURING_CALL_P insn.
1843
1844 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1845
1846         PR middle-end/51867
1847         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1848
1849 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1850
1851         PR driver/48524
1852         * gcc.c (switch_matches) Support switches with separated form,
1853         -D and -U.
1854
1855 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1856
1857         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1858         (SP_ADDR): Ditto.
1859         (RAMPZ_ADDR): Ditto.
1860         * config/avr/avr.c (avr_addr_t): New typedef.
1861         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1862         (avr_init_expanders): Initialize it.
1863         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1864         SREG_ADDR.
1865         (expand_epilogue): Ditto.
1866         (avr_print_operand): Ditto.
1867         (avr_file_start): Ditto.
1868         (avr_emit_movmemhi): Ditto.
1869
1870 2012-02-08  Richard Guenther  <rguenther@suse.de>
1871
1872         PR tree-optimization/46886
1873         * tree-flow.h (do_while_loop_p): Declare.
1874         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1875         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1876
1877 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1878
1879         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1880         always succeed for integers larger than a native word.
1881
1882 2012-02-08  Richard Guenther  <rguenther@suse.de>
1883
1884         PR rtl-optimization/52170
1885         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1886         properly handle integer vector modes.
1887
1888 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR gcov-profile/52150
1891         * coverage.c: Include target.h.
1892         (build_var): Call targetm.strip_name_encoding on the assembler name.
1893         Change one _ into . or $ if the target allows it.
1894         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1895
1896         PR rtl-optimization/52139
1897         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1898         is a BARRIER after emit_insn_after_noloc, move BB_END
1899         to the last non-BARRIER insn before it.
1900
1901 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1902
1903         PR middle-end/24306
1904         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1905         (mips_gimplify_va_arg_expr): Call it instead of
1906         std_gimplify_va_arg_expr.
1907
1908 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1909
1910         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1911         message for -mno-pointers-to-nested-function.
1912
1913 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1914
1915         PR middle-end/51994
1916         * expr.c (get_inner_reference): If there is an offset, add a negative
1917         bit position to it (if any).
1918
1919 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1920
1921         PR rtl-optimization/52060
1922         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1923         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1924         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1925         and/or i0src_copy2 when needed.
1926
1927 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1928
1929         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1930         or LTOPLUGINSONAME if have_c.
1931
1932         * config/freebsd-spec.h: Add comment about what macros can be defined
1933         in this header.
1934         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1935         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1936         here instead.
1937
1938 2012-02-07  Richard Guenther  <rguenther@suse.de>
1939
1940         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1941         newline in -alias dumps.
1942
1943 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1944             Dave Korn  <dave.korn.cygwin@gmail.com>
1945
1946         PR target/40068
1947         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1948         Take care that typinfo gets dllexport-attribute.
1949
1950 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1951
1952         PR middle-end/52074
1953         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1954         if modifier < EXPAND_SUM call force_operand on the result.
1955
1956 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1957
1958         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1959         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1960         present.
1961         (epiphany_function_type): Replace types for specific interrupts with
1962         EPIPHANY_FUNCTION_INTERRUPT.
1963         (EPIPHANY_INTERRUPT_P): Update.
1964         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1965         New static function.
1966         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1967         <disinterrupt>: Affects type identity.
1968         (epiphany_handle_interrupt_attribute): Handle variable number of
1969         arguments.
1970         (epiphany_compute_function_type): Update for new
1971         epiphany_function_type definition.
1972         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1973         handlers with a longcall forwarder.
1974         (epiphany_start_function): Handle multiple interrupt arguments and/or
1975         forwarder_section attribute.
1976
1977         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1978         libgloss.
1979
1980 2012-02-07  Alan Modra  <amodra@gmail.com>
1981
1982         PR target/52107
1983         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1984         subregs of TFmode.
1985
1986 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1987
1988         PR tree-optimization/50969
1989         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1990         use vec_perm rather than vector_stmt.
1991         (vect_model_load_cost): Likewise.
1992         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1993         vec_perm to be the same as other vector statements.
1994         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1995         cost of vec_perm for TARGET_VSX.
1996
1997 2012-02-06  Richard Guenther  <rguenther@suse.de>
1998
1999         PR tree-optimization/52115
2000         * tree-sra.c (access_has_replacements_p): New function.
2001         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2002
2003 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2004
2005         PR middle-end/52047
2006         * trans-mem.c (expand_call_tm): Add an assertion.
2007         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2008         functions.
2009
2010 2012-02-06  Richard Guenther  <rguenther@suse.de>
2011
2012         PR tree-optimization/50955
2013         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2014         raise cost of expressions that replace an address with an
2015         expression based on a different pointer.
2016
2017 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2018
2019         PR target/52129
2020         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2021         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2022
2023 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2024
2025         PR c++/48680
2026         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2027         -Weffc++ and specify guidelines come from second edition.
2028
2029 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2030
2031         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2032         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2033         (call_direct_split, call_value_split, call_value_internal_direct)
2034         (call_value_direct_split, call_value_multiple_split): Use jal and
2035         jal_macro attributes.
2036
2037 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2038
2039         * reload1.c (reload_regs_reach_end_p): Replace with...
2040         (reload_reg_rtx_reaches_end_p): ...this function.
2041         (new_spill_reg_store): Update commentary.
2042         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2043         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2044         before setting new_spill_reg_store.
2045         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2046         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2047         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2048         for non-spill reload registers.
2049
2050 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2051
2052         PR tree-optimization/52091
2053         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2054         (vect_is_simple_use_1): Likewise.
2055         * tree-vect-loop.c (vectorizable_reduction): Update calls
2056         to vect_is_simple_use_1 and vect_is_simple_use.
2057         (vectorizable_live_operation): Likewise.
2058         * tree-vect-patterns.c (widened_name_p,
2059         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2060         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2061         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2062         vectorizable_shift,vectorizable_operation, vectorizable_store,
2063         vectorizable_load): Likewise.
2064         (vect_is_simple_cond): Add an argument, pass it to
2065         vect_is_simple_use_1.
2066         (vectorizable_condition): Update calls to vect_is_simple_cond,
2067         vect_is_simple_use.
2068         (vect_is_simple_use): Add an argument, the statement in which
2069         OPERAND is used.  Check that if OPERAND's def stmt is a double
2070         reduction phi node, the use is a phi node too.
2071         (vect_is_simple_use_1): Add an argument, pass it to
2072         vect_is_simple_use.
2073         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2074         to vect_is_simple_use.
2075
2076 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2077
2078         PR rtl-optimization/52095
2079         * modulo-sched.c (dump_insn_locator): New function.
2080         (loop_canon_p, sms_schedule): Use it.
2081
2082         PR rtl-optimization/52113
2083         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2084         even for decomposable shift/zext insns.
2085
2086 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2087             Zdenek Dvorak  <ook@ucw.cz>
2088
2089         PR rtl-optimization/52092
2090         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2091         on get_iv_value result.
2092
2093 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2094
2095         PR middle-end/47982
2096         PR middle-end/43967
2097         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2098
2099 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2100
2101         PR middle-end/48071
2102         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2103
2104 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2105
2106         PR rtl-optimization/49800
2107         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2108         (sched_finish): Call regstat_free_n_sets_and_refs.
2109
2110 2012-02-02  Jia Liu  <proljc@gmail.com>
2111
2112         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2113         than operand 2.
2114
2115 2012-02-02  Jan Hubicka  <jh@suse.cz>
2116             Tom de Vries  <tom@codesourcery.com>
2117
2118         PR middle-end/51998
2119         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2120         * varpool.c (varpool_analyze_pending_decls): Likewise.
2121
2122 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2123             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2124
2125         * config.gcc: Add cr16-* support.
2126
2127         * doc/extend.texi: Document cr16 extensions.
2128         * doc/install.texi: Document cr16 install.
2129         * doc/invoke.texi: Document cr16 options.
2130         * doc/md.texi: Document cr16 constraints.
2131
2132         * common/config/cr16/cr16-common.c: New file.
2133         * config/cr16/cr16.c: New file.
2134         * config/cr16/cr16.h: New file.
2135         * config/cr16/cr16.md: New file.
2136         * config/cr16/cr16.opt: New file.
2137         * config/cr16/cr16-protos.h: New file.
2138         * config/cr16/predicates.md: New file.
2139         * config/cr16/constraints.md: New file.
2140         * config/cr16/t-cr16: New file.
2141
2142 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2143
2144         PR target/52086
2145         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2146         that operands[2] is either immediate, or q_regs_operand.
2147
2148         PR tree-optimization/52073
2149         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2150         a pattern stmt for pattern uses, ignore uses outside of the loop.
2151
2152 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2153
2154         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2155         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2156         (OUT_AS1, OUT_AS2): Remove.
2157
2158 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2159
2160         PR rtl-optimization/51374
2161         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2162         to cross other volatile_refs_p insns.
2163
2164 2012-02-01  Richard Guenther  <rguenther@suse.de>
2165
2166         * doc/invoke.texi (fno-inline): Clarify documentation.
2167         (finline-small-functions): Likewise.
2168         (finline-functions): Likewise.
2169         * common.opt (finline): Adjust comment and documentation.
2170         (finline-small-functions): Clarify documentation.
2171         (finline-functions): Likewise.
2172         (finline-functions-called-once): Likewise.
2173
2174 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2175
2176         * c-typeck.c (composite_type): Keep mode for pointers.
2177
2178 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2179
2180         * function.h (regno_reg_rtx): Adjust comment.
2181         * reginfo.c (init_reg_modes_target): Only use the previous mode
2182         if it fits within one register.  Remove MIPS comment.
2183
2184 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2185
2186         PR bootstrap/52058
2187         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2188
2189 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2190
2191         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2192         to srak instruction.
2193
2194 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2195
2196         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2197
2198 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2199
2200         PR bootstrap/52041
2201         PR bootstrap/52039
2202         PR target/51974
2203         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2204
2205 2012-01-31  Richard Guenther  <rguenther@suse.de>
2206
2207         PR tree-optimization/51528
2208         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2209         assigns.
2210
2211 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2212
2213         PR bootstrap/52041
2214         PR bootstrap/52039
2215         PR target/51974
2216         * ree.c (add_removable_extension): Change def_map argument
2217         to unsigned *, store in def_map 1 + offset into *insn_list vector
2218         instead of pointers into the vector.
2219         (find_removable_extensions): Adjust caller.
2220
2221 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2222
2223         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2224         Transform all "* quoted-c-code" to { c-code }.
2225         Remove redundant test for "optimize" in combine patterns.
2226         Move (include "avr-dimode.md") to end of file.
2227
2228 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2229
2230         PR target/51835
2231         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2232         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2233
2234 2012-01-30  Richard Guenther  <rguenther@suse.de>
2235
2236         PR tree-optimization/52028
2237         * tree-loop-distribution.c (ldist_gen): Properly update
2238         virtual SSA form.
2239
2240 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2241
2242         PR debug/52027
2243         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2244         set_cur_line_info_table if not emitting debug info.
2245
2246         PR tree-optimization/52046
2247         * tree-vect-patterns.c (check_bool_pattern): Give up if
2248         a comparison could throw.
2249
2250         PR debug/52048
2251         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2252
2253 2012-01-30  Richard Guenther  <rguenther@suse.de>
2254
2255         PR tree-optimization/52045
2256         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2257         SSA form if cfgcleanup did anything.
2258
2259 2012-01-30  Richard Guenther  <rguenther@suse.de>
2260
2261         PR tree-optimization/52045
2262         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2263         before computing final todo.
2264
2265 2012-01-30  Richard Guenther  <rguenther@suse.de>
2266
2267         PR tree-optimization/51528
2268         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2269         for PR51528 fix.
2270
2271 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2272
2273         * df-problems.c (df_kill_notes): Check that the use refers
2274         to the note under examination.
2275
2276 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2277
2278         PR target/51920
2279         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2280         parameter and use short-lived pseudos.
2281         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2282         (sparc_expand_vector_init): Const-ify local variables and adjust
2283         calls to above functions.
2284
2285 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2286
2287         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2288
2289 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2290
2291         * doc/invoke.texi: Make usage of "compile time" and
2292         "run time"/"runtime" consistent throughout the file.
2293
2294 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2295
2296         * config/alpha/alpha.c (alpha_option_override): Default to
2297         full IEEE compliance mode for Go language.
2298
2299 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2300
2301         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2302         (LINK_SSP_SPEC): Define.
2303
2304 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2305
2306         PR target/51871
2307         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2308         stubs.
2309
2310 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2311
2312         * doc/invoke.texi: Correct hyphenation of "floating point",
2313         "double precision", and related terminology throughout the file.
2314
2315 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2316
2317         PR target/52006
2318         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2319         arm_general_register_operand predicate for operand 2 instead of
2320         register_operand.
2321
2322 2012-01-27  Ian Lance Taylor  <iant@google.com>
2323
2324         PR go/47656
2325         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2326         * builtins.c (expand_builtin_init_trampoline): Add onstack
2327         parameter.  Change caller.
2328         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2329         * tree.c (build_common_builtin_nodes): Declare
2330         __builtin_init_heap_trampoline.
2331
2332 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2333
2334         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2335         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2336         * config/avr/avr.c: Ditto.
2337         (avr_regnames): Remove because unused.
2338         * config/avr/avr.md (*cpse.ne): New peephole.
2339         (*cpse.eq): New peephole from former cpse peepholes.
2340
2341 2012-01-27  Michael Eager  <eager@eagercon.com>
2342
2343         * config/microblaze.c (microblaze_emit_compare): Correct
2344         test after pcmp instruction.
2345
2346 2012-01-27  Richard Guenther  <rguenther@suse.de>
2347
2348         PR tree-optimization/52020
2349         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2350
2351 2012-01-27  Richard Guenther  <rguenther@suse.de>
2352
2353         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2354         function non-const/pure.
2355
2356 2012-01-27  Richard Guenther  <rguenther@suse.de>
2357
2358         PR tree-optimization/50444
2359         * tree-sra.c (build_ref_for_offset): Properly adjust the
2360         MEM_REF type for unaligned accesses.
2361
2362 2012-01-27  Richard Guenther  <rguenther@suse.de>
2363
2364         PR tree-optimization/50444
2365         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2366         (expand_assignment): Use it.  Properly handle misaligned
2367         bases when expanding stores to component references.
2368         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2369         refactor that case.
2370
2371 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2372
2373         PR middle-end/51389
2374         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2375         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2376         * tree-data-ref.c (find_data_references_in_loop): Make static.
2377         (compute_all_dependences): Change return type to bool.  Bail out
2378         for too many datarefs in a loop.  Move the hunk resetting the data
2379         dependences vector from ...
2380         (compute_data_dependences_for_loop): ... here.  Account for
2381         compute_all_dependences returning false.
2382         (compute_data_dependences_for_bb): Likewise.
2383         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2384         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2385
2386 2012-01-27  Richard Guenther  <rguenther@suse.de>
2387
2388         PR middle-end/51959
2389         * expr.c (store_field): Use the alias-set of the scratch memory
2390         for storing to it.
2391
2392 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2393
2394         PR tree-optimization/51990
2395         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2396         WITH_SIZE_EXPR.
2397         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2398
2399 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2400
2401         PR debug/52001
2402         * var-tracking.c (reverse_op): Don't add any reverse operation
2403         if V already has any constant locations.
2404
2405 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2406
2407         * doc/invoke.texi: Correct usage of "command line" (noun)
2408         vs "command-line" (adjective) throughout.
2409
2410 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2411
2412         * doc/invoke.texi (Language Independent Options): Move
2413         -Wcoverage-mismatch blurb from here....
2414         (Warning Options): ...to here.
2415
2416 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2417
2418         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2419         Set rs6000_always_hint to false for 476.
2420
2421 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2422
2423         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2424           system root.
2425         * incpath.c (add_standard_paths): Likewise.
2426
2427 2012-01-27  Richard Henderson  <rth@redhat.com>
2428
2429         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2430         * config/m68k/sync.md (atomic_test_and_set): Rename from
2431         sync_test_and_setqi and adjust the operands.
2432         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2433         and unconditionally enable.
2434
2435 2012-01-27  Richard Henderson  <rth@redhat.com>
2436
2437         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2438         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2439         (ldstub): Rename from ldstubqi.
2440         (ldstub<I24MODE>): Remove.
2441
2442 2012-01-27  Richard Henderson  <rth@redhat.com>
2443
2444         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2445         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2446         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2447         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2448         * doc/tm.texi: Rebuild.
2449
2450 2012-01-27  Richard Henderson  <rth@redhat.com>
2451
2452         * optabs.c (gen_atomic_test_and_set): Remove default.
2453         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2454
2455 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2456
2457         PR rtl-optimization/51978
2458         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2459         (combine_reaching_defs): Likewise.
2460         (struct re_info): Remove.
2461         (add_removable_extension): Remove x and data arguments,
2462         add insn, insn_list and def_map.  Use the arguments directly
2463         instead of using struct re_info.
2464         (find_removable_extensions): Don't call add_removable_extension
2465         through note_stores, instead just call it with single_set
2466         result if non-NULL.
2467         (find_and_remove_re): Pass curr_cand->expr instead of
2468         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2469
2470 2012-01-26  Michael Matz  <matz@suse.de>
2471
2472         PR tree-optimization/46590
2473         * cfgexpand.c: Revert last change (r183305).
2474         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2475         regs.
2476         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2477         checking for emptiness.
2478
2479 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2480
2481         PR middle-end/51895
2482         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2483         non-addressable non-BLKmode base correctly.
2484
2485 2012-01-26  Michael Matz  <matz@suse.de>
2486
2487         PR tree-optimization/48794
2488         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2489         regions referenced from RESX/EH_DISPATCH.
2490
2491 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2492
2493         * config/s390/s390.h: Make BRANCH_COST an option.
2494         * config/s390/s390.opt: New option -mbranch-cost.
2495
2496 2012-01-26  Richard Henderson  <rth@redhat.com>
2497
2498         Revert 2012-01-24 change:
2499         * trans-mem.c (requires_barrier): Do not instrument thread local
2500         variables and emit save/restore for them.
2501
2502 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2503
2504         PR middle-end/51986
2505         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2506         for pat == 0.
2507
2508 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2509
2510         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2511         ASM_OPERANDS.
2512
2513 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2514
2515         PR target/49868
2516         Rename __pgm to __flash.
2517         Rename __pgm1 to __flash1.
2518         Rename __pgm2 to __flash2.
2519         Rename __pgm3 to __flash3.
2520         Rename __pgm4 to __flash4.
2521         Rename __pgm5 to __flash5.
2522         Rename __pgmx to __memx.
2523         * doc/extend.texi (AVR Named Address Spaces)
2524         Rename address space names as indicated above.
2525         * config/avr/avr.c (avr_addrspace): Ditto.
2526
2527         * config/avr/avr-protos.h
2528         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2529         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2530         * config/avr/predicates.md: Ditto.
2531         * config/avr/avr.c Ditto, and
2532         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2533         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2534
2535         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2536         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2537         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2538         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2539         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2540         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2541         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2542         * config/avr/avr.c: Ditto.
2543         * config/avr/avr.md: Ditto.
2544
2545 2012-01-25  Jason Merrill  <jason@redhat.com>
2546
2547         PR c++/51992
2548         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2549
2550 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2551
2552         PR tree-optimization/51987
2553         * tree-data-ref.c (get_references_in_stmt): Handle references in
2554         non-volatile GIMPLE_ASM.
2555
2556 2012-01-25  Richard Guenther  <rguenther@suse.de>
2557
2558         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2559         bases are dereferenced.
2560
2561 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2562
2563         PR rtl-optimization/48374
2564         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2565
2566 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2567
2568         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2569         compute_data_dependences_for_loop returns false.
2570         * tree-parloops.c (loop_parallel_p): Likewise.
2571
2572 2012-01-25  Richard Guenther  <rguenther@suse.de>
2573
2574         * tree.h (get_pointer_alignment_1): Declare.
2575         * builtins.c (get_pointer_alignment_1): New function.
2576         (get_pointer_alignment): Use it.
2577
2578 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2579
2580         PR rtl-optimization/48308
2581         * combine.c (enum undo_kind): Add UNDO_LINKS.
2582         (struct undo): Add member l to other_contents and where.
2583         (do_SUBST_LINK): New.
2584         (SUBST_LINK): New.
2585         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2586         (undo_all): Handle UNDO_LINKS.
2587
2588 2012-01-25  Richard Henderson  <rth@redhat.com>
2589
2590         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2591         mem inputs.
2592
2593 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2594
2595         * optabs.c (gen_atomic_test_and_set): Use each argument.
2596
2597 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2598
2599         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2600         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2601         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2602         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2603         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2604         TARGET_PAIRED_SINGLE_FLOAT.
2605
2606 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2607
2608         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2609         (in_struct, return_val): Remove MEM documentation.
2610         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2611         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2612         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2613         and MEM_SCALAR.
2614         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2615         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2616         * expr.c (store_field): Likewise.
2617         * function.c (assign_stack_temp_for_type): Likewise.
2618         * ifcvt.c (noce_try_cmove_arith): Likewise.
2619         * reload1.c (reload): Likewise.
2620         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2621         (alpha_set_memflags): Likewise.
2622         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2623
2624 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2625
2626         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2627         parameter.
2628         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2629         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2630         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2631         varies parameter.
2632         * cselib.c (cselib_rtx_varies_p): Delete.
2633         (cselib_invalidate_mem): Update call to canon_true_dependence.
2634         * dse.c (record_store, check_mem_read_rtx): Likewise.
2635         (scan_reads_nospill): Likewise.
2636         * cse.c (check_dependence): Likewise.
2637         (cse_rtx_varies_p): Delete.
2638         * expr.c (safe_from_p): Update call to true_dependence.
2639         * ira.c (validate_equiv_mem_from_store): Likewise.
2640         (memref_referenced_p): Likewise.
2641         * postreload-gcse.c (find_mem_conflicts): Likewise.
2642         * sched-deps.c (sched_analyze_2): Likewise.
2643         * store-motion.c (load_kills_store): Likewise.
2644         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2645         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2646         (compute_transp): Update call to canon_true_dependence.
2647
2648 2012-01-25  Richard Henderson  <rth@redhat.com>
2649
2650         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2651         (maybe_emit_atomic_test_and_set): New.
2652         (expand_sync_lock_test_and_set): Use it.
2653         (expand_atomic_test_and_set): Likewise.
2654         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2655         the implementation; clarify implementation defined details.
2656         * doc/md.texi (atomic_test_and_set): Document.
2657
2658 2012-01-25  Richard Henderson  <rth@redhat.com>
2659
2660         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2661
2662 2012-01-25  Richard Henderson  <rth@redhat.com>
2663
2664         PR target/51968
2665         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2666         to effect no-op split.
2667
2668 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2669
2670         PR lto/51698
2671         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2672         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2673         (BT_FN_VOID_PTR_INT_SIZE): New.
2674         (BT_FN_UINT_UINT_VAR): Remove.
2675         (BT_FN_UINT32_UINT32_VAR): New.
2676         (BT_FN_DOUBLE_VPTR): Remove.
2677         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2678
2679         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2680         (_ITM_changeTransactionMode): Same.
2681         (_ITM_memmoveRtWt): Change return type to void.
2682         (_ITM_memcpyRtWt): Same.
2683         (_ITM_memsetW): Same.
2684         (_ITM_RaRD): Change types to double.
2685         (_ITM_RD): Same.
2686         (_ITM_RaWD): Same.
2687         (_ITM_RfWD): Same.
2688
2689         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2690
2691 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2692             Patrick Marlier  <patrick.marlier@gmail.com>
2693
2694         * trans-mem.c (requires_barrier): Do not instrument thread local
2695         variables and emit save/restore for them.
2696
2697 2012-01-24  Jason Merrill  <jason@redhat.com>
2698
2699         PR c++/51812
2700         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2701         output static aliases.
2702
2703 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2704
2705         PR driver/47249
2706         * common.opt (-pie, -shared, pie, shared): Change from Common to
2707         Driver.
2708         * gcc.c (display_help): Display help for -pie and -shared.
2709
2710 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2711
2712         PR target/49868
2713         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2714         Remove note on size/offset limitation.
2715         (AVR Variable Attributes): Add example how to read data located
2716         with progmem.  Refer to named address spaces.
2717         * doc/invoke.texi (AVR Options): Fix typo.
2718
2719 2012-01-24  Richard Guenther  <rguenther@suse.de>
2720
2721         Forward-port to trunk
2722         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2723
2724         PR middle-end/45678
2725         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2726         op0 isn't sufficiently aligned and there is movmisalignM
2727         insn for mode, use it to load op0 into a temporary register.
2728
2729 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2730
2731         PR target/51957
2732         * target.def (const_not_ok_for_debug_p): New hook.
2733         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2734         documentation.
2735         * doc/tm.texi: Regenerated.
2736         * dwarf2out.c (const_ok_for_output_1): If
2737         targetm.const_not_ok_for_debug_p returns true, fail.
2738         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2739         function.
2740         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2741
2742 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2743
2744         PR target/51900
2745         * config/i386/predicates.md (symbolic_operand): Allow
2746         UNSPEC_PCREL as PIC expression for lea.
2747         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2748         * config/i386/i386.c (ix86_delegitimize_address): Handle
2749         UNSPEC_PCREL for none-MEM, too.
2750
2751 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2752
2753         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2754         (ipa_tm_create_version_alias): Same.
2755
2756 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2757
2758         PR libitm/51830
2759         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2760         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2761
2762 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2763             Patrick Marlier  <patrick.marlier@gmail.com>
2764             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2765
2766         PR lto/51916
2767         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2768         simple_object_start_read.
2769
2770 2012-01-23  Richard Guenther  <rguenther@suse.de>
2771
2772
2773         PR tree-optimization/51895
2774         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2775         parameter decomposition into BLKmode components.
2776
2777 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2778
2779         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2780         fake variables for restrict-qualified pointers whose pointed-to type
2781         contains a placeholder.
2782
2783 2012-01-23  Richard Guenther  <rguenther@suse.de>
2784
2785         PR tree-optimization/51949
2786         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2787
2788 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2789
2790         PR rtl-optimization/51933
2791         * ree.c (transform_ifelse): Return true right away if dstreg is
2792         already wider or equal to cand->mode.
2793         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2794         (make_defs_and_copies_lists): Remove defs_list and copies_list
2795         arguments, add state argument, just truncate state->work_list
2796         instead of always allocating and freeing the vector.  Assert that
2797         get_defs succeeds instead of returning 2.  Changed return type to bool.
2798         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2799         have ext_src_mode, see if it has been modified already with the
2800         right kind of extension and has been extended before from the
2801         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2802         just return true.  Remember the original mode in state->modified array.
2803         (combine_reaching_defs): Add state argument.  Don't allocate and
2804         free here def_list, copied_list and vec vectors, instead just
2805         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2806         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2807         Add state variable, clear vectors in it, initialize state.modified
2808         if needed.  Free all the vectors at the end and state.modified too.
2809         Don't skip a candidate if the extension expression has been modified.
2810
2811 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2812
2813         PR target/47096
2814         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2815          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2816         (extra_options) interix.opt -> i386/interix.opt"
2817         (extra_objs):Add winnt-stubs.o
2818         * configure.ac: Add interix to target_os .comm on PE check.
2819         * configure: Regenerate.
2820         * config/interix3.h: Delete and move bits to..
2821         * config/interix.h: Delete and move bits to..
2822         * config/i386/i386-interix3.h: Delete and move bits to..
2823         * config/i386/i386-interix.h: ..here.
2824         (TARGET_CPU_DEFAULT): Remove redefinition.
2825         (TARGET_ASM_CONSTRUCTOR): Undefine.
2826         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2827         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2828         (PTRDIFF_TYPE): Define.
2829         (LONG_DOUBLE_TYPE_SIZE): Define.
2830         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2831         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2832         (TARGET_SECTION_TYPE_FLAGS): Define.
2833         (ASM_DECLARE_FUNCTION_NAME): Define.
2834         (ASM_OUTPUT_EXTERNAL): Define.
2835         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2836         (ASM_OUTPUT_ALIGNED_BSS): Define.
2837         (PCC_BITFIELD_TYPE_MATTERS): Define.
2838         (USE_CONST_SECTION): Define.
2839         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2840         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2841         (SUPPORTS_ONE_ONLY): Remove.
2842         (I386_PE_STRIP_ENCODING): Define.
2843         * config/interix.opt: Delete and move bits to..
2844         * config/i386/interix.opt: ..here. New.
2845         (mpe-aligned-commons): Add.
2846         * config/i386/t-interix: Add copyright header.
2847         (winnt-stubs.o): Add rule.
2848
2849 2012-01-22  Jason Merrill  <jason@redhat.com>
2850
2851         PR c++/51832
2852         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2853         for extra name aliases.
2854
2855 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2856
2857         PR rtl-optimization/51924
2858         * ree.c (combine_set_extension): Improve debugging message.
2859         (combine_reaching_defs): Likewise.
2860         (get_defs): Rename confusingly named variable.
2861         (find_and_remove_re): Skip a candidate if the extension expression has
2862         been modified.
2863
2864 2012-01-21  Robert Millan  <rmh@gnu.org>
2865             Gerald Pfeifer  <gerald@pfeifer.com>
2866
2867         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2868         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2869
2870 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2871
2872         PR tree-optimization/51914
2873         * tree-vect-stmts.c (vectorizable_conversion): For
2874         cvt_type && modifier == WIDEN, put temporary with cvt_type
2875         at the beginning of vec_dsts and set vec_dest to temporary
2876         with vectype_out.
2877
2878 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2879
2880         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2881
2882 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2883
2884         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2885         * config/rs6000/rs6000.c: Likewise.
2886
2887 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2888
2889         PR target/51915
2890         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2891         output_move_double on a copy of operands array.
2892
2893 2012-01-20  Cary Coutant  <ccoutant@google.com>
2894             Dodji Seketeli  <dodji@redhat.com>
2895
2896         PR debug/45682
2897         * dwarf2out.c (copy_declaration_context): Return ref to parent
2898         of declaration DIE, if necessary.
2899         (remove_child_or_replace_with_skeleton): Add new parameter; update
2900         caller.  Place skeleton DIE under parent DIE of original declaration.
2901         Move call to copy_declaration_context to here ...
2902         (break_out_comdat_types): ... from here.
2903
2904 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2905
2906         PR rtl-optimization/51856
2907         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2908         flag to reloaded.
2909
2910 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2911
2912         PR target/51819
2913         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2914         hints for neon loads and stores.
2915
2916 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2917
2918         PR target/49868
2919         PR target/50887
2920         * doc/extend.texi (Named Address Spaces): Split into subsections.
2921         (AVR Named Address Spaces): New subsection.
2922         (M32C Named Address Spaces): New subsection.
2923         (RL78 Named Address Spaces): New subsection.
2924         (SPU Named Address Spaces): New subsection.
2925         (Variable Attributes): New anchor "AVR Variable Attributes".
2926         (AVR Variable Attributes): Rewrite and avoid wording
2927         "address space" in this context.
2928         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2929         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2930         (AVR Built-in Macros): New subsubsection therein.
2931         * doc/md.texi (AVR constraints): Remove "C04", "R".
2932
2933 2012-01-20  Richard Guenther  <rguenther@suse.de>
2934
2935         PR tree-optimization/51903
2936         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2937         when removing stmts.
2938
2939 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2940
2941         PR target/50313
2942         * config/arm/arm.c (arm_load_pic_register): Use
2943         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2944         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2945         (arm_pic_static_addr): Likewise.
2946         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2947         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2948         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2949         (pic_load_addr_unified): New.
2950
2951 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2952
2953         PR target/51106
2954         * function.c (instantiate_virtual_regs_in_insn): Use
2955         delete_insn_and_edges when removing a wrong asm insn.
2956
2957 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2958
2959         PR rtl-optimization/40761
2960         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2961         Add new member loop_num.
2962         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2963         (ira_build): Remove the parameter.
2964
2965         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2966         (ira.c): Do not build CFG loops for one region allocation.  Remove
2967         argument from ira_build call.
2968
2969         * ira-build.c (init_loop_tree_node): New function.
2970         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2971         loops are not built.
2972         (more_one_region_p): Check current_loops.
2973         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2974         built.
2975         (add_loop_to_tree): Process loop equal to NULL too.
2976         (form_loop_tree): Separate the case when CFG loops are not built.
2977         Use explicitly number for the root.
2978         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2979         an assertion.
2980         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2981         instead of loop->num.
2982         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2983         (mark_all_loops_for_removal): Ditto.
2984         (remove_unnecessary_regions): Separate the case when CFG loops
2985         are not built.
2986         (ira_build): Remove the parameter.  Use explicit number of regions
2987         when CFG loops are not built.
2988
2989         * ira-color.c (print_loop_title): Separate the case for the root node.
2990         Use loop_num instead of loop->num.
2991         (move_spill_restore): Use loop_num instead of loop->num.
2992
2993         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2994         (change_loop): Ditto.
2995         (change_loop): Use loop_num instead of loop->num.
2996
2997         * ira-lives.c (process_bb_node_lives): Ditto.
2998
2999         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3000
3001         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3002
3003 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3004
3005         PR libmudflap/40778
3006         * tree-mudflap.c (mf_artificial): New function.
3007         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3008         mx_register_decls, mudflap_enqueue_decl): Use it.
3009
3010         PR target/51876
3011         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3012         numbers in the insn pattern.
3013
3014 2012-01-19  Michael Matz  <matz@suse.de>
3015
3016         PR tree-optimization/46590
3017         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3018         use it in remembering which conflicts we already created.
3019         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3020         bitmap.
3021
3022 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3023
3024         PR lto/51280
3025         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3026         (merge_and_complain): Same.
3027
3028 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3029
3030         PR bootstrap/50237
3031         * config/initfini-array.h: Guard content of the header
3032         with #ifdef HAVE_INITFINI_ARRAY.
3033         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3034         Add initfini-array.h to tm_file here.
3035         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3036         * config.gcc: Don't add initfini-array.h to tm_file here.
3037         * configure: Regenerated.
3038
3039 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3040
3041         PR rtl-optimization/51505
3042         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3043         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3044         (df_note_bb_compute): Update the call to df_kill_notes.
3045
3046 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3047
3048         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3049
3050 2012-01-18  Richard Guenther  <rguenther@suse.de>
3051
3052         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3053         of conversions to void *.
3054
3055 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3056             Richard Sandiford  <rdsandiford@googlemail.com>
3057
3058         PR middle-end/50325
3059         PR middle-end/51192
3060         * optabs.h (simplify_expand_binop): Declare.
3061         * optabs.c (simplify_expand_binop): Make global.
3062         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3063         endian targets if the source cannot be exactly covered by word
3064         mode chunks.
3065
3066 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3067
3068         PR bootstrap/51872
3069         * hard-reg-set.h (struct hard_reg_set_container): New type.
3070         * target.h (struct hard_reg_set_container): Forward declare.
3071         * target.def (set_up_by_prologue): New target hook.
3072         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3073         * doc/tm.texi: Regenerated.
3074         * function.c (thread_prologue_and_epilogue_insns): Change
3075         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3076         Call targetm.set_up_by_prologue on it.
3077         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3078         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3079
3080 2012-01-17  Nick Clifton  <nickc@redhat.com>
3081
3082         * config/rx/rx.c (rx_can_use_simple_return): New function.
3083         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3084         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3085
3086 2012-01-17  Richard Guenther  <rguenther@suse.de>
3087
3088         PR middle-end/51782
3089         * expr.c (expand_assignment): Take address-space information
3090         from the address operand of MEM_REF and TARGET_MEM_REF.
3091         (expand_expr_real_1): Likewise.
3092
3093 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3094
3095         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3096         reload dump is requested.
3097
3098 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3099
3100         PR other/51165
3101         * trans-mem.c (requires_barrier): Call may_be_aliased.
3102
3103 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3104
3105         PR tree-optimization/51877
3106         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3107         call arguments and fndecls compare equal, instead return false if they
3108         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3109         both SSA_NAMEs that are valueized the same, or they satisfy
3110         operand_equal_p.
3111
3112 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3113
3114         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3115         Solaris 11+.
3116         * configure: Regenerate.
3117
3118 2012-01-16  Jan Hubicka  <jh@suse.cz>
3119
3120         PR c/12245
3121         PR c++/14179
3122         * convert.c (convert_to_integer): Use fold_convert for
3123         converting an INTEGER_CST to integer type.
3124
3125 2012-01-16  Jason Merrill  <jason@redhat.com>
3126
3127         PR c++/14179
3128         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3129
3130 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3131
3132         PR bootstrap/51860
3133         * config/s390/s390.c (s390_chunkify_start): Don't skip
3134         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3135         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3136         If insn is followed by NOTE_INSN_VAR_LOCATION or
3137         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3138         Don't use location of note insns.
3139
3140         PR tree-optimization/51865
3141         * tree-inline.c (tree_function_versioning): Call remap_decl
3142         on DECL_RESULT whenever it has VOID_TYPE_P type.
3143
3144 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3145
3146         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3147         for calls to locally-binding MIPS16 functions if only the return
3148         type uses float regs.
3149
3150 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3151             Richard Sandiford  <rdsandiford@googlemail.com>
3152
3153         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3154         (SYMBOL_32_HIGH): Likewise.
3155         (mips_output_tls_reloc_directive): Declare.
3156         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3157         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3158         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3159         (mips_lo_relocs, mips_hi_relocs): Make extern.
3160         (mips16_stub_function): Move up file.
3161         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3162         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3163         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3164         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3165         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3166         (mips_get_tp): Add MIPS16 support.
3167         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3168         Generalize DTPREL and TPREL handling.
3169         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3170         Add MIPS16 TLS support.
3171         (mips_output_tls_reloc_directive): New function.
3172         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3173         * config/mips/predicates.md (symbolic_operand_with_high)
3174         (tls_reloc_operand): New predicates.
3175         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3176         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3177         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3178         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3179         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3180         (*tls_get_tp_mips16_call_<mode>): Likewise.
3181
3182 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3183
3184         PR rtl-optimization/51821
3185         * recog.c (peep2_find_free_register): Determine clobbered registers
3186         from insn pattern.
3187
3188 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3189
3190         PR target/50925
3191         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3192         * config/avr/avr.c: Likewise.
3193         * config/avr/avr.h: Likewise.
3194
3195 2012-01-13  Ian Lance Taylor  <iant@google.com>
3196
3197         PR c++/50012
3198         * tree.h (TYPE_QUALS): Add cast to int.
3199         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3200
3201 2012-01-13  Ian Lance Taylor  <iant@google.com>
3202
3203         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3204         comparing param_index to VEC_length result.
3205
3206 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3207
3208         * c-decl.c: Do not include tree-mudflap.h
3209         * tree-optimize.c: Likewise.
3210         * Makefile.in: Update dependencies.
3211
3212 2012-01-13  Richard Guenther  <rguenther@suse.de>
3213
3214         PR middle-end/8081
3215         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3216         variable-sized result always use RSO.
3217
3218 2012-01-12  DJ Delorie  <dj@redhat.com>
3219
3220         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3221         pointer type, not just the default pointer type.
3222
3223 2012-01-09  Richard Henderson  <rth@redhat.com>
3224             Denis Chertykov  <chertykov@gmail.com>
3225
3226         PR target/50925
3227         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3228         * config/avr/avr.c (avr_can_eliminate): Simplify.
3229         (avr_initial_elimination_offset): Likewise.
3230         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3231         (expand_epilogue): Likewise.
3232         (avr_legitimize_address): Gut.
3233         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3234         (avr_hard_regno_nregs): New.
3235         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3236         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3237         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3238         add soft frame pointer.
3239         (CALL_USED_REGISTERS): Likewise.
3240         (REG_CLASS_CONTENTS): Likewise.
3241         (REGISTER_NAMES): Likewise.
3242         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3243         (HARD_FRAME_POINTER_REGNUM): New.
3244         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3245         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3246         remove the HARD_FRAME_POINTER self-elimination.
3247
3248 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3249
3250         PR target/51756
3251         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3252         DECL_EXTERNAL when checking for initializers of progmem variables.
3253
3254 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3255
3256         PR tree-optimization/51799
3257         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3258         that the last operation is a type demotion.
3259
3260 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3261
3262         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3263         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3264
3265 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3266
3267         PR bootstrap/51796
3268         * combine.c (distribute_notes): If i3 is a noreturn call,
3269         allow old_size to be equal to args_size and make sure the
3270         noreturn call gets REG_ARGS_SIZE note.
3271         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3272         on noreturn calls even when the delta is 0.
3273
3274 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3275
3276         * gcov.c (STRING_SIZE): Remove.
3277         (generate_results): Erase annotations for source files with no
3278         coverage information.
3279         (read_line): New.
3280         (output_lines): Use it.
3281
3282 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3283
3284         * gimple.h (gimplify_body): Remove first argument.
3285         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3286         pointer set here, instead just pass DATA to walk_tree.
3287         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3288         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3289         (unvisit_body): Likewise, but with unmark_visited.
3290         (gimplify_body): Remove BODY_P argument and adjust.
3291         (gimplify_function_tree): Adjust call to gimplify_body.
3292         * omp-low.c (finalize_task_copyfn): Likewise.
3293
3294 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3295
3296         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3297         (build_function_type_skip_args): Delete.
3298         * tree.c (build_function_type_skip_args): Make static and add
3299         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3300         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3301         pass it to build_function_type_skip_args.
3302         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3303         (tree_function_versioning): Likewise.
3304         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3305         build_function_decl_skip_args.
3306         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3307         and pass it to build_function_decl_skip_args/tree_function_versioning.
3308         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3309         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3310         * trans-mem.c (ipa_tm_create_version): Likewise.
3311         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3312         * tree-inline.c (declare_return_variable): Remove always-true test.
3313         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3314         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3315         * ipa-split.c (split_function): Skip the return value for the split
3316         part if it doesn't return.
3317
3318 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3319
3320         PR tree-optimization/49642
3321         * ipa-split.c (forbidden_dominators): New variable.
3322         (check_forbidden_calls): New function.
3323         (dominated_by_forbidden): Likewise.
3324         (consider_split): Check for forbidden dominators.
3325         (execute_split_functions): Initialize and free forbidden
3326         dominators info; call check_forbidden_calls.
3327
3328 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3329
3330         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3331
3332 2012-01-11  Nick Clifton  <nickc@redhat.com>
3333
3334         * config/rx/rx.md (return): Define pattern.
3335
3336 2012-01-11  Richard Guenther  <rguenther@suse.de>
3337
3338         * doc/extend.texi (malloc attribute): Adjust according to
3339         implementation.
3340
3341 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3342             Patrick Marlier  <patrick.marlier@gmail.com>
3343
3344         PR middle-end/51516
3345         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3346         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3347         (ipa_tm_note_irrevocable): Same.
3348         (ipa_tm_scan_irr_block): Same.
3349         (ipa_tm_decrement_clone_counts): Same.
3350         (ipa_tm_scan_irr_function): Same.
3351         (ipa_tm_create_version_alias): Same.
3352         (ipa_tm_create_version): Same.
3353         (ipa_tm_transform_calls_redirect): Same.
3354         (ipa_tm_transform_calls): Same.
3355         (ipa_tm_transform_transaction): Same.
3356         (ipa_tm_execute): Same.
3357
3358 2012-01-10  Richard Guenther  <rguenther@suse.de>
3359
3360         PR middle-end/51806
3361         * opts.c (common_handle_option): Handle -Werror.
3362
3363 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3364
3365         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3366         operand number.
3367
3368 2012-01-10  Jason Merrill  <jason@redhat.com>
3369
3370         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3371         information.
3372
3373 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3374
3375         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3376         supports R_386_TLS_GD_PLT reloc.
3377         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3378         supports R_386_TLS_LDM_PLT reloc.
3379         * configure: Regenerate.
3380         * config.in: Regenerate.
3381
3382 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3383
3384         PR target/49868
3385         Extend __pgmx semantics to linearize memory.
3386         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3387         determine if code comes inline or from libgcc.
3388         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3389         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3390         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3391         (movmemx_qi, movmemx_hi): New insns.
3392         (xload_<mode>_libgcc): Rewrite to new insn condition.
3393         (xload_<mode>): Remove insns.
3394         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3395         cases that don't satisfy avr_xload_libgcc_p().
3396         (avr_addr_space_convert): Allow converting in any direction.
3397         (avr_addr_space_subset_p): Return always true.
3398         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3399         (avr_emit_movmemhi): Ditto.
3400         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3401         (avr_out_movmem): Ditto.
3402         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3403         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3404         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3405         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3406         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3407
3408 2012-01-10  Richard Guenther  <rguenther@suse.de>
3409
3410         PR tree-optimization/50913
3411         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3412         Require data-refs to be representable by Graphite with respect
3413         to any loop nest.
3414
3415 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3418         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3419
3420 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3421
3422         PR rtl-optimization/51271
3423         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3424         handling annulled branch.
3425
3426 2012-01-10  Richard Henderson  <rth@redhat.com>
3427
3428         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3429         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3430         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3431         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3432         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3433         arm_expand_vec_perm_const): New.
3434         * config/arm/arm-protos.h: Update.
3435         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3436         (*neon_vswp<VDQX>): New.
3437         (neon_vcombine<VDX>): Use neon_split_vcombine.
3438         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3439         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3440         (vec_perm<VE>): New.
3441
3442 2012-01-10  Richard Henderson  <rth@redhat.com>
3443
3444         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3445         use it if reload_completed.
3446         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3447         arm_output_asm_insn, arm_process_output_memory_barrier,
3448         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3449         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3450         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3451         arm_process_output_sync_insn, arm_output_sync_insn,
3452         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3453         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3454         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3455         (emit_unlikely_jump): New.
3456         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3457         (arm_split_atomic_op): New.
3458         * config/arm/arm-protos.h: Update.
3459         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3460         (struct arm_sync_generator): Remove.
3461         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3462         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3463         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3464         (VUNSPEC_LL, VUNSPEC_SC): New.
3465         (sync_result, sync_memory, sync_required_value, sync_new_value,
3466         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3467         (attr length): Don't use arm_sync_loop_insns.
3468         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3469         (movsfcc, movdfcc): Likewise.
3470         * config/arm/constraints.md (Ua): New.
3471         * config/arm/prediates.md (mem_noofs_operand): New.
3472         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3473         (sync_clobber, sync_t2_reqd): Remove.
3474         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3475         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3476         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3477         (arm_sync_compare_and_swap<SIDI>): Remove.
3478         (arm_sync_compare_and_swap<NARROW>): Remove.
3479         (arm_sync_lock_test_and_set<SIDI>): Remove.
3480         (arm_sync_lock_test_and_set<NARROW>): Remove.
3481         (arm_sync_new_<syncop><SIDI>): Remove.
3482         (arm_sync_new_<syncop><NARROW>): Remove.
3483         (arm_sync_new_nand<SIDI>): Remove.
3484         (arm_sync_new_nand<NARROW>): Remove.
3485         (arm_sync_old_<syncop><SIDI>): Remove.
3486         (arm_sync_old_<syncop><NARROW>): Remove.
3487         (arm_sync_old_nand<SIDI>): Remove.
3488         (arm_sync_old_nand<NARROW>): Remove.
3489         (*memory_barrier): Merge arm_output_memory_barrier.
3490         (atomic_compare_and_swap<QHSD>): New.
3491         (atomic_compare_and_swap<NARROW>_1): New.
3492         (atomic_compare_and_swap<SIDI>_1): New.
3493         (atomic_exchange<QHSD>): New.
3494         (cas_cmp_operand, cas_cmp_str): New.
3495         (atomic_op_operand, atomic_op_str): New.
3496         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3497         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3498         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3499         (arm_load_exclusive<NARROW>): New.
3500         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3501         (arm_store_exclusive<QHSD>): New.
3502
3503 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3504
3505         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF