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2012-04-16 Uros Bizjak <ubizjak@gmail.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
2
3         Backport from mainline
4         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
5
6         PR target/52932
7         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
8         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
9         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
10         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
11         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
12         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
13         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
14         gen_avx2_permvarv8sf.
15
16 2012-04-16  Martin Jambor  <mjambor@suse.cz>
17
18         Backported from mainline
19
20         2012-04-13  Martin Jambor  <mjambor@suse.cz>
21         PR middle-end/52939
22
23         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
24         fold_ctor_reference returns a zero constant.
25
26 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
27
28         Backported from mainline
29         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
30
31         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
32         and __ILP32__ for x32.
33
34 2012-04-13  Tom de Vries  <tom@codesourcery.com>
35
36         Backport from mainline r186418.
37
38         2012-04-13  Tom de Vries  <tom@codesourcery.com>
39
40         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
41         parameters vuse and vuse_escaped.
42         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
43         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
44         vuse1 != vuse2.
45
46 2012-04-13  Richard Guenther  <rguenther@suse.de>
47
48         PR tree-optimization/52969
49         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
50         the condition for the COND_EXPR and handle predicate negation
51         by swapping the COND_EXPR arms.
52
53 2012-04-13  Richard Guenther  <rguenther@suse.de>
54
55         PR c/52862
56         * convert.c (convert_to_pointer): Remove special-casing of
57         zero.
58
59 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
60
61         Backport from mainline
62         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
63
64         PR target/52775
65         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
66         the list of options to enable the FCFID instruction.
67         (TARGET_EXTRA_BUILTINS): Adjust comment.
68
69 2012-04-12  Richard Guenther  <rguenther@suse.de>
70
71         PR tree-optimization/52943
72         * tree-chrec.h (chrec_is_positive): Remove.
73         * tree-scalar-evolution.c (chrec_is_positive): Move ...
74         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
75         Return false for a constant zero instead of negative.
76         (analyze_siv_subscript_cst_affine): Handle zero difference
77         in the initial condition explicitely.
78
79 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
80
81         PR middle-end/52894
82         * varasm.c (process_pending_assemble_externals): Set
83         pending_assemble_externals_processed true.
84         (assemble_external): Call assemble_external_real if the pending
85         assemble externals have been processed.
86
87 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
88
89         PR target/52717
90         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
91         the DECL generated for the special GOT helper.
92
93 2012-04-06  Walter Lee  <walt@tilera.com>
94
95         Backport from mainline
96         2012-03-07  Walter Lee  <walt@tilera.com>
97
98         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
99         REG_CFA_* notes for the stack pointer.
100         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
101         EH_RETURN_STACKADJ_RTX.
102         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
103         generate REG_CFA_* notes for the stack pointer.
104         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
105         by EH_RETURN_STACKADJ_RTX.
106
107 2012-04-06  Matt Turner  <mattst88@gmail.com>
108
109         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
110
111 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
112
113         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
114         of the destination isn't also a FP_REGS register.
115
116 2012-04-03  Richard Guenther  <rguenther@suse.de>
117
118         Backport from mainline
119         2012-03-02  Richard Guenther  <rguenther@suse.de>
120
121         PR tree-optimization/52406
122         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
123         (struct indices): Add unconstrained_base member.
124         (struct dr_alias): Remove unused vops member.
125         (DR_UNCONSTRAINED_BASE): New define.
126         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
127         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
128         be an artificial access that covers the whole indexed object,
129         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
130         plain decl base-objects to their MEM_REF variant.
131         (dr_may_alias_p): When the base-object of either data reference
132         has unknown size use only points-to information.
133         (compute_affine_dependence): Make dumps easier to read and
134         more verbose.
135         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
136         DR_REF when looking for packed references.
137         (vect_supportable_dr_alignment): Likewise.
138
139 2012-04-03  Richard Guenther  <rguenther@suse.de>
140
141         Backport from mainline
142         2012-03-15  Richard Guenther  <rguenther@suse.de>
143
144         PR middle-end/52580
145         * tree-data-ref.c (subscript_dependence_tester_1): Check
146         all dimensions for non-conflicting access functions.
147
148 2012-04-03  Richard Guenther  <rguenther@suse.de>
149
150         Backport from mainline
151         2012-03-06  Richard Guenther  <rguenther@suse.de>
152
153         PR middle-end/52493
154         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
155
156         2012-03-23  Richard Guenther  <rguenther@suse.de>
157
158         PR tree-optimization/52678
159         * tree-vectorizer.h (struct _stmt_vec_info): Add
160         loop_phi_evolution_part member.
161         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
162         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
163         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
164         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
165         Use the cached evolution part and the PHI nodes value from
166         the loop preheader edge instead of re-analyzing the evolution.
167
168         2012-03-26  Richard Guenther  <rguenther@suse.de>
169
170         PR tree-optimization/52701
171         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
172         compute and set the evolution part of PHI nodes.
173
174         2012-03-30  Richard Guenther  <rguenther@suse.de>
175
176         PR tree-optimization/52754
177         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
178         propagate arbitrary addresses into really plain dereferences.
179
180 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
181
182         PR tree-optimization/52835
183         * tree-data-ref.c (build_rdg): Return NULL if
184         compute_data_dependences_for_loop failed.
185
186 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
187
188         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
189         (stmt_can_make_abnormal_goto): Use it.
190         (is_ctrl_altering_stmt): Likewise.
191
192 2012-03-31  Martin Jambor  <mjambor@suse.cz>
193
194         Backported from mainline
195         2012-03-30  Martin Jambor  <mjambor@suse.cz>
196
197         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
198         is a builtin_stack_save in a dominating BB.
199
200 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
201
202         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
203         crossing 128bit lane boundary.
204
205 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
206
207         Backported from mainline
208         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
209
210         PR target/52698
211         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
212         New prototype.
213         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
214         * config/i386/i386.c: Include reload.h.
215         (ix86_legitimize_reload_address): New function.
216
217 2012-03-28  Martin Jambor  <mjambor@suse.cz>
218
219         Backported from mainline
220         2012-03-27  Martin Jambor  <mjambor@suse.cz>
221
222         PR middle-end/52693
223         * tree-sra.c (sra_modify_assign): Do not call
224         load_assign_lhs_subreplacements when working with an unscalarizable
225         region.
226
227 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
228
229         PR middle-end/52691
230         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
231         __builtin_va_start to __builtin_next_arg if the latter is
232         builtin_decl_explicit_p rather than when it is not.
233
234         PR middle-end/52750
235         * tree-vect-generic.c (vector_element): Perform multiplication
236         for pos in bitsizetype type instead of idx type.
237
238 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
239
240         Backport from 2012-03-28 mainline r185910.
241
242         PR target/52692
243         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
244         (avr_builtin_decl): New static function.
245         (struct avr_builtin_description, avr_bdesc): Move up.
246         Add GTY marker. Add field fndecl. Remove redundant field id.
247         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
248         (avr_expand_builtin): Code cleanup because .id is removed.
249
250 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
251
252         PR middle-end/51893
253         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
254         targets.
255
256 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
257
258         Backport from 2012-03-28 mainline r185907.
259
260         PR target/52737
261         * config.gcc (tm_file): Remove avr/multilib.h.
262
263         * doc/invoke.texi (AVR Options): Adjust
264         documentation of -mtiny-stack.
265
266         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
267         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
268         * config/avr/t-avr: Remove generation of multilib.h.
269         * config/avr/t-multilib: Regenerate.
270         * config/avr/multilib.h: Remove.
271         * config/avr/avr.opt (-msp8): New option.
272         (avr_sp8): New variable.
273         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
274         * config/avr/avr.h (AVR_HAVE_SPH): New define.
275         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
276         (avr_device_to_sp8): New prototype.
277         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
278         (DRIVER_SELF_SPECS): New define.
279         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
280         __AVR_SP8__, __AVR_HAVE_SPH__.
281         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
282         AVR_HAVE_8BIT_SP to decide if SP_H is present.
283         (avr_file_start): Ditto.
284
285 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
286
287         PR target/52736
288         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
289         instead of 8 in adjust_address.
290
291 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
292
293         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
294         of a unit before computing the offset in units.
295
296 2012-03-27  Richard Guenther  <rguenther@suse.de>
297
298         PR middle-end/52720
299         * fold-const.c (try_move_mult_to_index): Handle &x.array more
300         explicitely.
301
302 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
303
304         PR target/52610
305         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
306
307 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
308
309         PR middle-end/52640
310         * varasm.c: Include pointer-set.h.
311         (pending_assemble_externals_set): New pointer set.
312         (process_pending_assemble_externals): Destroy the pointer set.
313         (assemble_external): See if decl is in pending_assemble_externals_set,
314         and add it to pending_assemble_externals if necessary.
315         (init_varasm_once): Allocate pending_assemble_externals_set.
316
317 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
318
319         Backported from mainline
320         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
321
322         PR target/50310
323         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
324         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
325         (vector_ltgt<mode>): Likewise.
326         (vector_ordered<mode>): Likewise.
327         (vector_unordered<mode>): Likewise.
328         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
329
330 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
331
332         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
333         Make static.
334
335 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
336
337         Backported from mainline
338         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
339
340         PR target/48596
341         PR target/48806
342         * config/sh/sh.c (sh_register_move_cost): Increase cost between
343         GENERAL_REGS and FP_REGS for SImode.
344
345 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
346
347         PR middle-end/52547
348         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
349         on any new_local_var_chain vars declared during recursing on
350         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
351
352 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
353
354         Backport from 2012-03-22 mainline r185692.
355
356         PR target/52496
357         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
358         (unspecv): Add UNSPECV_MEMORY_BARRIER.
359         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
360         (delay_cycles_1, delay_cycles_2): Ditto.
361         (delay_cycles_3, delay_cycles_4): Ditto.
362         (nopv, *nopv): Ditto.
363         (sleep, *sleep): Ditto.
364         (wdr, *wdr): Ditto.
365
366         Backport from 2012-03-21 mainline r185605.
367
368         PR rtl-optimization/52543
369         PR target/52461
370         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
371         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
372         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
373         (avr_load_libgcc_p): Restrict to __flash loads.
374         (avr_out_lpm): Only handle 1-byte loads from __flash.
375         (avr_load_lpm): New function.
376         (avr_find_unused_d_reg): Remove.
377         (avr_out_lpm_no_lpmx): Remove.
378         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
379         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
380         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
381         (load_<mode>, load_<mode>_clobber): New insns.
382         (mov<mode>): For multi-byte move from non-generic
383         16-bit address spaces: Expand to load_<mode> resp.
384         load_<mode>_clobber.
385         (load<mode>_libgcc): Remove expander.
386         (split-lpmx): Remove split.
387
388         Backport from 2012-03-13 mainline r185329.
389
390         PR target/52488
391         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
392         offset (size) to a value the insns can deal with.
393         (expand_epilogue): Ditto.
394
395         Backport from 2012-03-12 mainline r185256.
396
397         PR target/52499
398         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
399         type from reg_class_t to enum reg_class.
400         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
401
402         Backport from 2012-03-12 mainline r185253.
403
404         PR target/52148
405         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
406         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
407         r184615 from 2012-02-28.
408
409         Backport from 2012-03-08 mainline r185105.
410
411         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
412         for constants in [-63,63].
413
414         Backport from 2012-03-08 mainline r185100.
415
416         PR target/52496
417         * config/avr/avr.c (avr_mem_clobber): New static function.
418         (avr_expand_delay_cycles): Add memory clobber operand to
419         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
420         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
421         (enable_interrupt, disable_interrupt): New expander.
422         (nopv, sleep, wdr): New expanders.
423         (delay_cycles_1): Add memory clobber.
424         (delay_cycles_2): Add memory clobber.
425         (delay_cycles_3): Add memory clobber.
426         (delay_cycles_4): Add memory clobber.
427         (cli_sei): New insn from former "enable_interrupt",
428         "disable_interrupt" with memory clobber.
429         (*wdt): New insn from former "wdt" with memory clobber.
430         (*nopv): Similar, but for "nopv".
431         (*sleep): Similar, but for "sleep".
432
433         Backport from 2012-03-07 mainline r185043.
434
435         PR target/52484
436         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
437
438         Backport from 2012-03-07 mainline r185032.
439
440         PR target/52506
441         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
442         to: RAMPZ, RAMPY, RAMPX, RAMPD.
443         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
444
445         Backport from 2012-03-07 mainline r185031.
446
447         PR target/52505
448         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
449         from RAM.
450         * config/avr/avr.md (xload_8): Adjust insn length.
451
452         Backport from 2012-03-07 mainline r185030.
453
454         PR target/52461
455         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
456         if RAMPZ affects reading from RAM.
457
458         Backport from 2012-03-05 mainline r184919.
459
460         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
461
462 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
463
464         Backport from mainline r185259.
465
466         PR other/52545
467         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
468         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
469
470 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
471
472         Backported from mainline
473         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
474
475         PR c/52577
476         * c-parser.c (c_parser_postfix_expression)
477         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
478
479         * config/i386/smmintrin.h: Avoid /* within a comment.
480         * config/i386/nmmintrin.h: Likewise.
481
482 2012-03-22  Richard Guenther  <rguenther@suse.de>
483
484         * BASE-VER: Set to 4.7.1.
485         * DEV-PHASE: Set to prerelease.
486
487 2012-03-22  Release Manager
488
489         * GCC 4.7.0 released.
490
491 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
492
493         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
494
495 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
496             Andrew Pinski  <apinski@cavium.com>
497
498         PR middle-end/52592
499         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
500         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
501         calls instead of __builtin_ir{int,ound}*.
502
503 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
504
505         PR c++/52582
506         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
507         if c_node is NULL.
508
509 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
510
511         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
512         Refer to GCC 4.7 version of c99status.html.
513
514 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
515
516         Backport from mainline
517         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
518
519         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
520         redefine to be NULL if the current bit-size is different from the
521         configured bit-size.
522
523         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
524         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
525         set the default tuning.  Add asserts to make sure the cpu and tune
526         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
527         test whether the index is set, instead of > 0.
528         (rs6000_file_start): Do not reset the default cpu if the current
529         bit-size is different from the configured bit-size.
530
531 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
532
533         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
534         binutils reference.
535         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
536         Update binutils references.
537         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
538         Update binutils reference.
539         Update Sun as/GNU ld caveat.
540         Document binutils largefile requirement for LTO plugin.
541         Remove reference to alternate libpthread.
542
543 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
544
545         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
546         reference.
547         (Specific, mips-sgi-irix6): Likewise.
548
549 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
550
551         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
552         * configure: Regenerate.
553
554 2012-03-07  Richard Henderson  <rth@redhat.com>
555
556         * config/m68k/m68k.h (ISA_HAS_TAS): New.
557         * config/m68k/sync.md (atomic_test_and_set): Use it.
558         (atomic_test_and_set_1): Likewise.
559
560 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
561
562         PR target/51417
563         * Makefile.in: Let install-gcc-ar depend on installdirs,
564         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
565         Don't double canonicalize if cross-compiling.
566
567 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
568
569         * trans-mem.c: New typedef for tm_region_p.
570         Define vector types for tm_region_p.
571         (tm_region_init): Replace region_worklist to a vector called
572         bb_regions.
573
574 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
575
576         PR middle-end/52463
577         * trans-mem.c (tm_region_init): Use last_basic_block.
578
579 2012-03-05  Richard Henderson  <rth@redhat.com>
580
581         PR tree-opt/52242
582         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
583         * omp-low.c (expand_omp_atomic): Assume anything aligned to
584         BIGGEST_ALIGNMENT is aligned.
585
586 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
587
588         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
589
590 2012-03-05  Richard Henderson  <rth@redhat.com>
591
592         PR target/52481
593         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
594         instead of calling negqi2 directly.
595
596 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
597
598         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
599         (INTMAX_TYPE): Use it.
600         (UINTMAX_TYPE): Likewise.
601         (SUBTARGET_OVERRIDE_OPTIONS): Define.
602         (irix6_c_common_override_options): Declare.
603         (C_COMMON_OVERRIDE_OPTIONS): Define.
604         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
605         * config/mips/irix6-c.c: New file.
606         * config/mips/t-irix6 (irix6-c.o): New target.
607         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
608         cxx_target_objs.
609
610 2012-03-02  Richard Henderson  <rth@redhat.com>
611
612         * optabs.c (expand_atomic_test_and_set): Honor
613         atomic_test_and_set_trueval even when atomic_test_and_set
614         optab is not in use.
615
616 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
617
618         Backport from mainline
619         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
620
621         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
622
623 2012-03-02  Richard Guenther  <rguenther@suse.de>
624
625         * DEV-PHASE: Set to prerelease.
626
627 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
628
629         * config.gcc (obsolete): Add all ARM targets using the FPA.
630         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
631         * doc/install.texi: Avoid references to obsolete ARM ports.
632
633 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
634
635         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
636
637 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
638             Joern Rennecke  <joern.rennecke@embecosm.com>
639
640         * doc/extend.texi: Expand and update information on interrupt
641         attribute for Epiphany.
642
643 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
644
645         * config/sh/sh-protos.h: Update copyright notice dates.
646         * config/sh/sh.h: Likewise.
647         * config/sh/sh.md: Likewise.
648         * config/sh/constraints.md: Likewise.
649         * config/sh/predicates.md: Likewise.
650
651 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
652
653         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
654         * config/sh/sh.c (tertiary_reload_operand): Likewise.
655
656 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
657
658         * config/sh/constraints.md: Fix comment typo.
659
660 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
661
662         PR target/52408
663         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
664         unsigned HOST_WIDE_INT.
665         (zvdep_imm64): Likewise.
666         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
667         (vdepi_and): Likewise.
668         Likewise for unamed 64-bit patterns.
669         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
670
671 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
672
673         PR debug/52001
674         PR rtl-optimization/52417
675         * cselib.c (cselib_any_perm_equivs): New variable.
676         (cselib_reset_table): Check that it's not set when not
677         preserving constants.
678         (cselib_add_permanent_equiv): Set it.
679         (cselib_have_permanent_equivalences): New.
680         (cselib_init, cselib_finish): Reset it.
681         * cselib.h (cselib_have_permanent_equivalences): Declare.
682         * alias.c (get_addr): Restore earlier behavior when there
683         aren't permanent equivalences.
684
685 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
686
687         * config/mn10300/mn10300-modes.def: Fix copyright notice.
688         * config/v850/v850-modes.def: Fix copyright notice.
689
690 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
691
692         * doc/extend.texi (AVR Built-in Functions): Document
693         __builtin_avr_flash_segment.
694
695         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
696         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
697         (*split.flash_segment): New insn-and-split.
698         * config/avr/avr.c (avr_init_builtins): Add local variables:
699         const_memx_void_node, const_memx_ptr_type_node,
700         char_ftype_const_memx_ptr.
701
702 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
703
704         PR tree-optimization/52445
705         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
706         add ssa_name_ver, offset and size fields and change store field
707         to bool.
708         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
709         (add_or_mark_expr): Likewise.  Only consider previous stores
710         with the same size and offset.
711         (nt_init_block): Only look at gimple_assign_single_p stmts,
712         doesn't look at rhs2.
713
714 2012-03-01  Richard Guenther  <rguenther@suse.de>
715
716         PR middle-end/52443
717         * tree-cfg.c (verify_gimple_assign_unary): Allow any
718         conversions from integral types to pointer types.
719
720 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
721
722         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
723         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
724         unintentionally removed in r184616.
725
726 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
727
728         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
729         3DNow from bdver1.
730
731 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
732             Uros Bizjak  <ubizjak@gmail.com>
733
734         PR target/52437
735         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
736         alternatives, add "e" constraint to the new last alternative
737         and ! to last 3 alternatives.
738
739 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
740
741         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
742         DW_AT_artificial attributes at the end of the processing.
743         (gen_array_type_die): Likewise.
744         (gen_enumeration_type_die): Likewise.
745         (gen_struct_or_union_type_die): Likewise.
746         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
747         the parent type.
748
749 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
750
751         PR middle-end/52419
752         * expr.c (expand_assignment): If doing misaligned store that doesn't
753         cover all mode bits, perform a RMW cycle.
754
755         PR tree-optimization/52429
756         * tree-parloops.c (separate_decls_in_region_debug): Return early
757         if var is LABEL_DECL.
758
759 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
760
761         PR tree-optimization/52424
762         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
763         calling dom_thread_across_edge.
764
765 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
766
767         * config/avr/avr.c: Move definition of TARGET macros to end of file.
768
769 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
770
771         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
772         * config/avr/avr.c (avr_output_bld): Remove unused function.
773         (avr_out_sbxx_branch): Use "%T" to print bit position.
774
775 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
776
777         * config/avr/avr.md: Untabify.
778
779 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
780
781         * config/avr/avr.md (eqne): New code iterator.
782         (*dec-and-branchsi): Use it in text peephole's condition.
783         (*dec-and-branchhi): Ditto.
784         (*dec-and-branchqi): Ditto.
785
786 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
787
788         PR target/49939
789         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
790         the device does not have the skip-bug.
791
792 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
793
794         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
795         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
796         -mpretend-cmove): New.
797
798 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
799
800         PR bootstrap/52397
801         * df.h (struct df_d): Adjust comment that hard_regs_live_count
802         doesn't count DEBUG_INSN refs.
803         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
804         for DEBUG_INSN refs.
805
806 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
807
808         Partially revert:
809
810         2012-02-20  Richard Guenther  <rguenther@suse.de>
811         PR tree-optimization/52298
812         * tree-vect-stmts.c (vectorizable_load): Properly use
813         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
814         outer loops.
815
816 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
817
818         PR middle-end/51752
819         * gimple.h (gimple_in_transaction): New.
820         (gimple_set_in_transaction): New.
821         (struct gimple_statement_base): Add in_transaction field.
822         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
823         transaction loads.
824         (tree_ssa_lim_initialize): Compute transaction bits.
825         * tree.h (compute_transaction_bits): Protoize.
826         * trans-mem.c (tm_region_init): Use the heap to store BB
827         auxilliary data.
828         (compute_transaction_bits): New.
829
830 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
831
832         * gcc.c (display_help): Document --help=common and sort entries
833         alphabetically.
834
835 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
836
837         * doc/install.texi: Document check-$LANG specific shortcuts
838
839 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
840
841         PR target/51534
842         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
843         and vcgtu.
844         * config/arm/arm_neon.h: Regenerate.
845         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
846         (neon_vcgeu): New insn.
847         (neon_vcgtu): Likewise.
848         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
849         (ops): Unsigned comparison intrinsics call a different
850         builtin.
851
852 2012-02-28  Richard Guenther  <rguenther@suse.de>
853
854         PR target/52407
855         * config/i386/i386.c (ix86_expand_vector_set): Fix element
856         ordering for the VEC_CONCAT for two element vectors for
857         V2SFmode, V2SImode and V2DImode.
858
859 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
860
861         PR target/49448
862         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
863         detecting big-endian triplets.
864
865 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
866
867         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
868         mode if there is no type information available.
869
870 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
871
872         PR tree-optimization/53207
873         * doc/invoke.texi: Document as experimental and relying on graphite.
874
875 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
876
877         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
878         of initializer to changes from r184614.
879
880 2012-02-28  Richard Guenther  <rguenther@suse.de>
881
882         PR tree-optimization/52395
883         * tree-sra.c (build_ref_for_offset): Also look at the base
884         TYPE_ALIGN when figuring out the alignment of the replacement.
885
886 2012-02-28  Richard Guenther  <rguenther@suse.de>
887
888         PR tree-optimization/52402
889         * ipa-prop.c (ipa_modify_call_arguments): Properly use
890         mis-aligned types when creating the accesses at the call site.
891
892 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
893
894         * config/avr/builtins.def: New file.
895         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
896         * config/avr/avr.c (enum avr_builtin_id): Use it.
897         (avr_init_builtins): Use it. And use avr_bdesc.
898         (bdesc_1arg): Remove.
899         (bdesc_2arg): Remove.
900         (bdesc_3arg): Remove.
901         (struct avr_builtin_description): Add field n_args.
902         (avr_bdesc): New static variable using builtins.def.
903         (avr_expand_builtin): Use it.
904         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
905         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
906         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
907
908 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
909
910         PR target/52148
911         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
912         match only one single hard register with respective hard reg rtx.
913         (movmemx_<mode>): Ditto.
914         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
915         insn anatomy of movmem[x]_<mode>.
916         (avr_out_movmem): Same for printing assembler and operand usage.
917
918 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
919
920         PR target/49868
921         PR target/52261
922         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
923         address spaces located outside of device flash.
924
925         * config/avr/avr.h (base_arch_s): Remove field n_segments.
926         (mcu_type_s): Add field n_flash.
927         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
928         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
929         (AVR_MCU): Add N_FLASH argument.
930         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
931         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
932         macro __FLASH<n> if that address space makes sense for the device.
933         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
934         outside of target flash.
935         (avr_asm_named_section): Ditto.
936         (avr_asm_select_section): Ditto.
937         (avr_addr_space_convert): Ditto.
938         (avr_emit_movmemhi): Ditto.
939         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
940         address space is outside of device flash.
941         (avr_insert_attributes): Ditto.
942         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
943         avr_current_arch->n_segments.
944
945 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
946
947         PR target/52352
948         * config/i386/i386.md (*movabs<mode>_1): Enable only for
949         TARGET_LP64.
950         (*movabs<mode>_2): Likewise.
951
952 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
953
954         PR target/52375
955         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
956         s_register_operand in the test instead of REG_P.  Don't call
957         gen_reg_rtx if it won't be used.
958
959         PR tree-optimization/52376
960         * ipa-split.c (split_function): Ignore CLOBBER stmts.
961
962 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
963
964         * ifcvt.c (noce_get_condition): Check condition variable is not
965         small_register_classes_for_mode_p before accepting.
966
967 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
968
969         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
970
971 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
972
973         Revert:
974         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
975         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
976         tuning parameters.
977         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
978
979 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
980
981         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
982
983 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
984
985         * config/sh/predicates.md: Remove blank lines.
986         * config/sh/sh.c: Fix typos in comments.
987         * config/sh/constraints.md: Likewise.
988         * config/sh/sh.md: Remove blank lines.
989         Fix typos in comments.  Use ;; as comment characters.
990
991 2012-02-26  Walter Lee  <walt@tilera.com>
992
993         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
994         (replace_mov_pcrel_step2): Ditto.
995
996 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
997
998         PR debug/52001
999         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1000         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1001         and locs that reference values newer than the non-canonical value
1002         at hand.  Return the canonical value as a worst case.
1003         (memrefs_conflict_p): Walk canonical value's locs.
1004
1005         PR debug/52001
1006         * cselib.c (preserve_only_constants): Rename to...
1007         (preserve_constants_and_equivs): ... this.  Split out...
1008         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1009         of other preserved expressions too.
1010         (cselib_reset_table): Adjust.
1011         * var-tracking.c (reverse_op): Use canonical value to build
1012         reverse operation.
1013
1014 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1015
1016         * config/i386/i386.c (ix86_delegitimize_address): Handle
1017         UNSPEC_PCREL plus displacement.
1018
1019 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1020
1021         PR target/52261
1022         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1023         to test for unusedness in st X addressing.
1024
1025 2012-02-24  Richard Guenther  <rguenther@suse.de>
1026
1027         PR middle-end/52361
1028         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1029         (is_gimple_reg_type): Move inline ...
1030         * gimple.h (is_gimple_reg_type): ... here.
1031
1032 2012-02-24  Richard Guenther  <rguenther@suse.de>
1033
1034         PR middle-end/52361
1035         * passes.c (execute_function_todo): When verifying SSA form
1036         verify gimple form first.
1037         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1038
1039 2012-02-24  Richard Guenther  <rguenther@suse.de>
1040
1041         PR middle-end/52355
1042         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1043         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1044
1045 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1046
1047         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1048
1049 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1050
1051         * tree-phinodes.c (make_phi_node): Mark static.
1052         * tree-flow.h (make_phi_node): Remove extern decl.
1053         * doc/gimple.texi (make_phi_node): Remove documentation.
1054
1055 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1056
1057         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1058         * tree-ssa-sccvn.c (print_scc): Ditto.
1059
1060 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1061
1062         * doc/passes.texi (Full redundancy elimination): Fix typo.
1063
1064 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1065
1066         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1067
1068 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1069
1070         PR bootstrap/52287
1071         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1072
1073 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1074
1075         PR c/52290
1076         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1077
1078 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1079
1080         * config/avr/avr.md (code_stdname): Add ior, xor.
1081         (xior): New code iterator.
1082         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1083         (*<code_stdname><mode>qi.byte1-3): Ditto.
1084
1085 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1086
1087         PR tree-optimization/52019
1088         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1089         CLOBBER stmts.
1090
1091 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1092
1093         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1094         HAVE_INITFINI_ARRAY to work around namespace pollution in
1095         certain versions of newlib system headers.
1096         * config.in: Regenerate.
1097         * configure: Regenerate.
1098         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1099         instead of HAVE_INITFINI_ARRAY.
1100
1101 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1102
1103         PR target/52330
1104         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1105         is not offsettable memory reference.
1106
1107 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1108
1109         PR target/18145
1110         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1111         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1112
1113 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1114
1115         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1116         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1117
1118 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1119
1120         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1121         library on Solaris 8 even without TLS support.
1122         * configure: Regenerate.
1123
1124 2012-02-22  Richard Guenther  <rguenther@suse.de>
1125
1126         PR middle-end/52329
1127         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1128         for GIMPLE_DEBUG stmts.
1129
1130 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1131
1132         PR middle-end/51782
1133         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1134         according to the base object.
1135
1136 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1137
1138         PR rtl-optimization/50063
1139         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1140         and 2 (8-bit SP) in operand 2.
1141         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1142         setup to use movhi_sp_r instead of vanilla move to write SP.
1143         Adjust REG_CFA notes to superseed unspec.
1144         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1145         of vanilla move.
1146         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1147         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1148         irq_state 1 (IRQ known to be on) here.
1149
1150 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1151
1152         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1153         WORDS_BIG_ENDIAN.
1154         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1155         assign_hard_reg): Likewise.
1156
1157 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1158
1159         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1160
1161 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1162
1163         * config/avr/avr.md
1164         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1165         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1166
1167 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1168
1169         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1170         prototype from here to...
1171         * config/avr/avr.h: ...here.
1172
1173 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1174
1175         PR target/52294
1176         * thumb2.md (thumb2_shiftsi3_short): Split register and
1177         immediate shifts.  For register shifts tie operands 0 and 1.
1178         (peephole2 for above): Check that register-controlled shifts
1179         have suitably tied operands.
1180
1181 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1182
1183         PR target/52137
1184         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1185         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1186         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1187         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1188         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1189         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1190         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1191         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1192         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1193         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1194         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1195         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1196         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1197         bdver1_ssevector_avx256_unaligned_load,
1198         bdver1_ssevector_sse128_unaligned_load,
1199         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1200         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1201         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1202         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1203         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1204         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1205         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1206         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1207         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1208         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1209         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1210         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1211         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1212         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1213         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1214         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1215         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1216         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1217         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1218         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1219         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1220         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1221         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1222         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1223         bdver1_ssediv_double_load, bdver1_ssediv_double,
1224         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1225         Add "bdver2" attribute.
1226
1227 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1228
1229         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1230         default if possible and not specified otherwise.
1231
1232 2012-02-21  Richard Guenther  <rguenther@suse.de>
1233
1234         PR middle-end/52314
1235         * gimplify.c (create_tmp_from_val): Use the main variant type
1236         for the type of the temporary we create.
1237
1238 2012-02-21  Richard Guenther  <rguenther@suse.de>
1239
1240         PR tree-optimization/52324
1241         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1242         do not gimplify a MEM_REF address operand if it is already
1243         in suitable form.
1244
1245 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1246
1247         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1248         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1249
1250 2012-02-21  Richard Guenther  <rguenther@suse.de>
1251
1252         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1253         nested_in_vect_loop.
1254
1255 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR tree-optimization/52318
1258         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1259         vdef also to non-pure/const call stmts in the sequence.
1260
1261 2012-02-20  David S. Miller  <davem@davemloft.net>
1262
1263         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1264         don't use the "rd %pc" instruction on v9 for PIC register loads.
1265
1266 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1267
1268         PR middle-end/52141
1269         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1270         in a transaction safe function.
1271
1272 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1273
1274         PR target/52238
1275         * stor-layout.c (place_field): Handle desired_align for
1276         ms-bitfields, too.
1277
1278 2012-02-20  Richard Guenther  <rguenther@suse.de>
1279
1280         PR tree-optimization/52298
1281         * tree-vect-stmts.c (vectorizable_store): Properly use
1282         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1283         outer loops.
1284         (vectorizable_load): Likewise.
1285         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1286         Access DR_STEP after ensuring it is not NULL.
1287
1288 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1289
1290         PR tree-optimization/52286
1291         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1292         optimization use double_int_to_tree instead of build_int_cst_wide,
1293         rewrite to use double_int vars.
1294
1295 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1296
1297         PR target/50166
1298         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1299         Define _start.
1300         Remove -e 0 from $gcc_cv_ld invocation.
1301         Only use __GLIBC_PREREQ if defined.
1302         Enable on Solaris since Solaris 8 patch.
1303         (gcc_SUN_LD_VERSION): New macro.
1304         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1305         gcc_SUN_LD_VERSION for version number format.
1306         * configure: Regenerate.
1307         * varasm.c (get_elf_initfini_array_priority_section): Set
1308         SECTION_NOTYPE for non-default priority.
1309         Use get_section instead of get_unnamed_section to emit
1310         .init_array/.fini_array with default priority.
1311
1312 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1313
1314         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1315         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1316         (mips_start_unique_function, mips_output_mips16_rdhwr)
1317         (mips_code_end): New functions.
1318         (TARGET_ASM_CODE_END): Define.
1319
1320 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1321
1322         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1323         to stubs with non-sibling calls.
1324
1325 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1326
1327         * doc/invoke.texi (-fira-* options): Copy-edit.
1328         (ira-* parameters): Copy-edit.
1329
1330 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1331
1332         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1333         GCC coding conventions.
1334
1335 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1336
1337         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1338         when used as adjectives.
1339
1340 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1341
1342         * doc/invoke.texi: Clean up "that"/"which" confusion.
1343
1344 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1345
1346         * system.h: Poison SMALL_REGISTER_CLASSES
1347         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1348         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1349
1350 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1351
1352         PR tree-optimization/52285
1353         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1354         when deciding if a call is a tail call or tail recursion.
1355
1356 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1357
1358         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1359         interger-constant displacement for UNSPEC_PCREL.
1360
1361 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1362
1363         PR rtl-optimization/52208
1364         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1365         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1366
1367         PR tree-optimization/52255
1368         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1369         loop->header has virtual PHI, but exit_e->dest doesn't, add
1370         virtual PHI to exit_e->dest and adjust all uses after the loop.
1371
1372         PR debug/52260
1373         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1374         children with clone_tree_hash, not after it.
1375
1376 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1377
1378         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1379         extended identifiers.
1380
1381 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1382
1383         PR middle-end/51929
1384         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1385         a same_body_alias, also test whether e->callee isn't a former
1386         or current clone of the decl this is a same body alias of.
1387
1388         PR translation/52264
1389         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1390
1391 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1392
1393         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1394
1395 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1396
1397         PR target/52199
1398         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1399         force_reg instead of copy_to_reg for better optimization.  Force
1400         non-register or memory operands into a register.
1401
1402 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1403
1404         * extend.texi: Reserve upper bits of memory model for future use.
1405
1406 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1407             Anatoly Sokolov <aesok@post.ru>
1408             Eric Weddington <eric.weddington@atmel.com>
1409
1410         PR target/52261
1411         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1412         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1413         Rewrite initializers for .macro.
1414         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1415         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1416         atxmega32d4, atxmega32x1.
1417         avrxmega4: atxmega64a3, atxmega64d3.
1418         avrxmega5: atxmega64a1, atxmega64a1u.
1419         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1420         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1421         avrxmega7: atxmega128a1, atxmega128a1u.
1422         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1423         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1424         (struct base_arch_s): Rename reserved to xmega_p.
1425         Rename reserved2 to have_rampd.
1426         (AVR_XMEGA): New define.
1427         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1428         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1429         * config/avr/predicates.md (io_address_operand): Take into
1430         account SFR offset.
1431         (low_io_address_operand): Ditto.
1432         (high_io_address_operand): Ditto.
1433         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1434         (enabled, movhi_sp_r): Use them.
1435         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1436         cpp_define_formatted to built-in define __AVR_ARCH__.
1437         (__AVR_XMEGA__): New built-in define.
1438         (__AVR_HAVE_RAMPD__): New built-in define.
1439         (__AVR_HAVE_RAMPX__): New built-in define.
1440         (__AVR_HAVE_RAMPY__): New built-in define.
1441         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1442
1443         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1444         (avr_option_override): Initialize them.
1445         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1446         (avr_init_expanders): Initialize them. No more block several calls.
1447         (emit_push_sfr): New static function.
1448         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1449         Handle AVR_XMEGA.
1450         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1451         (avr_print_operand): Print addreeses as symbols for
1452         RAMPX, RAMPY, RAMPD, CCP.
1453         (output_movhi): Handle AVR_XMEGA when writing to SP.
1454         (avr_out_movhi_mr_r_xmega): New static function.
1455         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1456         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1457         __RAMPD__,  __CCP__ as needed.
1458
1459         * config/avr/multilib.h: Regenerate.
1460         * config/avr/t-multilib: Regenerate.
1461         * config/avr/avr-tables.opt: Regenerate.
1462
1463 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1464
1465         PR tree-optimization/50561
1466         * graphite-flattening.c (lst_project_loop): Do not
1467         remove old scattering dimensions after flattening.
1468         (lst_do_flatten): Likewise.
1469
1470 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1471
1472         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1473         __builtin_avr_map8, __builtin_avr_map16.
1474         Document __builtin_avr_insert_bits.
1475
1476         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1477         (insert_bits): New insn.
1478         (adjust_len.map_bits): Rename to insert_bits.
1479         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1480         * avr-protos.h (avr_out_map_bits): Remove.
1481         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1482         * config/avr/constraints.md (Cxf,C0f): New.
1483         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1484         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1485         New built-in define __BUILTIN_AVR_INSERT_BITS.
1486         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1487         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1488         (avr_move_bits): Rewrite.
1489         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1490         functions.
1491         (avr_map_op_t): New typedef.
1492         (avr_map_op): New static variable.
1493         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1494         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1495         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1496         (bdesc_3arg, avr_expand_triop_builtin): New.
1497         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1498         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1499         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1500         (avr_map_equal_p, avr_map_sig_p): Remove.
1501         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1502         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1503         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1504         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1505         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1506         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1507
1508 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1509
1510         * config/c6x/c6x.md (reserve_cycles): New attribute.
1511         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1512         don't reserve functional units after the branch occurs.
1513
1514 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1515
1516         PR middle-end/52142
1517         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1518         functions into non-tm_pure functions.
1519
1520 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1521
1522         PR lto/52178
1523         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1524         (iterative_hash_canonical_type): Likewise.
1525         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1526         the dead edges.
1527
1528 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1529
1530         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1531         sched-group insn, it either remains alone or the entire list is pruned.
1532
1533 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1534
1535         * doc/install.texi (Prerequisites): Fix grammar.
1536         (Configuration): Likewise.
1537
1538 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1539
1540         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1541         MPC as part of GCC before describing configuring with --with-gmp etc.
1542         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1543         sources are present.
1544
1545 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1546
1547         PR debug/51950
1548         * dwarf2out.c (clone_tree_hash): New function.
1549         (copy_decls_walk): Use it instead of clone_tree.
1550
1551 2012-02-14  Richard Guenther  <rguenther@suse.de>
1552
1553         PR tree-optimization/52244
1554         PR tree-optimization/51528
1555         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1556         replacements for integral types.
1557
1558 2012-02-14  Walter Lee  <walt@tilera.com>
1559
1560         * config.gcc: Handle tilegx and tilepro.
1561         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1562         tilegx and tilepro.
1563         Add HAVE_AS_TLS check for tilegx and tilepro.
1564         * configure: Regenerate.
1565         * doc/contrib.texi: Add Mat Hostetter and self.
1566         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1567         Document instruction intrinsics and network accessing intrinsics.
1568         (TILEPro Built-in Functions): New node.  Document instruction
1569         intrinsics and network accessing intrinsics.
1570         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1571         (Specific, tilepro-*-linux*): Likewise.
1572         * doc/invoke.texi (TILE-Gx Options): New section.
1573         (TILEPro Options): New section.
1574         * doc/md.texi (TILE-Gx): New section.
1575         (TILEPro): New section.
1576         * common/config/tilegx/tilegx-common.c: New file.
1577         * common/config/tilepro/tilepro-common.c: New file.
1578         * config/tilegx/constraints.md: New file.
1579         * config/tilegx/linux.h: New file.
1580         * config/tilegx/mul-tables.c: New file.
1581         * config/tilegx/predicates.md: New file.
1582         * config/tilegx/sync.md: New file.
1583         * config/tilegx/t-tilegx: New file.
1584         * config/tilegx/tilegx-builtins.h: New file.
1585         * config/tilegx/tilegx-c.c: New file.
1586         * config/tilegx/tilegx-generic.md: New file.
1587         * config/tilegx/tilegx-modes.def: New file.
1588         * config/tilegx/tilegx-multiply.h: New file.
1589         * config/tilegx/tilegx-protos.h: New file.
1590         * config/tilegx/tilegx.c: New file.
1591         * config/tilegx/tilegx.h: New file.
1592         * config/tilegx/tilegx.md: New file.
1593         * config/tilegx/tilegx.opt: New file.
1594         * config/tilepro/constraints.md: New file.
1595         * config/tilepro/gen-mul-tables.cc: New file.
1596         * config/tilepro/linux.h: New file.
1597         * config/tilepro/mul-tables.c: New file.
1598         * config/tilepro/predicates.md: New file.
1599         * config/tilepro/t-tilepro: New file.
1600         * config/tilepro/tilepro-builtins.h: New file.
1601         * config/tilepro/tilepro-c.c: New file.
1602         * config/tilepro/tilepro-generic.md: New file.
1603         * config/tilepro/tilepro-modes.def: New file.
1604         * config/tilepro/tilepro-multiply.h: New file.
1605         * config/tilepro/tilepro-protos.h: New file.
1606         * config/tilepro/tilepro.c: New file.
1607         * config/tilepro/tilepro.h: New file.
1608         * config/tilepro/tilepro.md: New file.
1609         * config/tilepro/tilepro.opt: New file.
1610
1611 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1612
1613         PR tree-optimization/52210
1614         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1615         vect_model_simple_cost with two entry vect_def_type array instead
1616         of an address of dt.
1617
1618 2012-02-14  Richard Guenther  <rguenther@suse.de>
1619
1620         PR lto/52178
1621         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1622         Do not stream DECL_QUALIFIER.
1623         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1624         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1625         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1626
1627 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1628
1629         PR c/52181
1630         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1631         newdecl.
1632
1633 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1634
1635         PR bootstrap/52172
1636         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1637         * cselib.c (cselib_subst_to_values_from_insn): New function.
1638         * sched-deps.c (add_insn_mem_dependence,
1639         sched_analyze_1, sched_analyze_2): Use it.
1640
1641 2012-02-13  Jan Hubicka  <jh@suse.cz>
1642
1643         PR middle-end/52214
1644         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1645
1646 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1647
1648         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1649         (GTM_SELF_SPECS): Define if not already defined.
1650         (driver_self_specs): Add GTM_SELF_SPECS.
1651         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1652         (GTM_SELF_SPECS): Define.
1653         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1654         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1655
1656 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1657
1658         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1659         away if seen.
1660
1661         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1662
1663         PR middle-end/52230
1664         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1665         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1666
1667 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1668
1669         PR c/52190
1670         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1671
1672 2012-02-13  Richard Guenther  <rguenther@suse.de>
1673
1674         PR translation/52211
1675         * passes.c (enable_disable_pass): Fix typo.
1676
1677 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR middle-end/52209
1680         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1681         XOR for reduce_bit_field if type is unsigned.
1682
1683 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1684
1685         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1686         disallow changes from SFmode to mode with different size in FP regs.
1687
1688 2012-02-12  Robert Millan  <rmh@gnu.org>
1689             Gerald Pfeifer <gerald@pfeifer.com>
1690
1691         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1692         Tweak comment.
1693
1694 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1695
1696         PR rtl-optimization/52175
1697         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1698         to frame-related instructions.
1699
1700 2012-02-10  Jason Merrill  <jason@redhat.com>
1701
1702         PR c++/51910
1703         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1704         (demangle_new_symbols): Fill it.
1705         (scan_linker_output): Walk it.
1706         (start_tweaking): Split out from scan_linker_output.
1707         (maybe_tweak): Update sym->chosen.
1708         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1709
1710 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1711
1712         PR debug/52132
1713         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1714
1715 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1716
1717         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1718         having the same mode as previous compare.
1719
1720 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1721
1722         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1723         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1724         (nonlocal_goto_internal): Likewise.
1725         (nonlocal_goto): Emit a use and an indirect jump directly.
1726
1727 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1728
1729         PR c/52190
1730         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1731         __atomic_{is,always}_lock_free.
1732
1733 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1734
1735         PR target/52146
1736         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1737         negative constant address for x32.
1738
1739 2012-02-10  Richard Henderson  <rth@redhat.com>
1740
1741         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1742         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1743         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1744
1745 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1746             Ira Rosen  <irar@il.ibm.com>
1747
1748         PR tree-optimization/50031
1749         * targhooks.c (default_builtin_vectorization_cost): Handle
1750         vec_promote_demote.
1751         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1752         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1753         all types of reduction and pattern statements.
1754         (vect_estimate_min_profitable_iters): Likewise.
1755         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1756         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1757         for explicit realigns.
1758         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1759         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1760         vec_promote_demote.
1761         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1762         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1763         vec_perm for VSX and handle vec_promote_demote.
1764
1765 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1766
1767         PR middle-end/52177
1768         * builtins.c (fold_builtin_atomic_always_lock_free,
1769         expand_builtin_atomic_always_lock_free,
1770         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1771         Return and/or test boolean_true_node/boolean_false_node instead of
1772         integer_one_node/integer_zero_node.
1773
1774 2012-02-10  Jan Hubicka  <jh@suse.cz>
1775
1776         PR middle-end/48600
1777         * predict.c (predict_paths_for_bb): Prevent looping.
1778         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1779
1780 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1781
1782         * config/arm/arm.c (output_move_double): In one case properly
1783         count number of instructions that will be emitted.
1784
1785 2012-02-10  Richard Guenther  <rguenther@suse.de>
1786
1787         PR translation/52193
1788         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1789
1790 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1791
1792         PR middle-end/52140
1793         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1794
1795 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR debug/52165
1798         * var-tracking.c (emit_note_insn_var_location): If
1799         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1800         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1801         non-NOTE_DURING_CALL_P insn.
1802
1803 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1804
1805         PR middle-end/51867
1806         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1807
1808 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1809
1810         PR driver/48524
1811         * gcc.c (switch_matches) Support switches with separated form,
1812         -D and -U.
1813
1814 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1815
1816         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1817         (SP_ADDR): Ditto.
1818         (RAMPZ_ADDR): Ditto.
1819         * config/avr/avr.c (avr_addr_t): New typedef.
1820         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1821         (avr_init_expanders): Initialize it.
1822         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1823         SREG_ADDR.
1824         (expand_epilogue): Ditto.
1825         (avr_print_operand): Ditto.
1826         (avr_file_start): Ditto.
1827         (avr_emit_movmemhi): Ditto.
1828
1829 2012-02-08  Richard Guenther  <rguenther@suse.de>
1830
1831         PR tree-optimization/46886
1832         * tree-flow.h (do_while_loop_p): Declare.
1833         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1834         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1835
1836 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1837
1838         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1839         always succeed for integers larger than a native word.
1840
1841 2012-02-08  Richard Guenther  <rguenther@suse.de>
1842
1843         PR rtl-optimization/52170
1844         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1845         properly handle integer vector modes.
1846
1847 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1848
1849         PR gcov-profile/52150
1850         * coverage.c: Include target.h.
1851         (build_var): Call targetm.strip_name_encoding on the assembler name.
1852         Change one _ into . or $ if the target allows it.
1853         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1854
1855         PR rtl-optimization/52139
1856         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1857         is a BARRIER after emit_insn_after_noloc, move BB_END
1858         to the last non-BARRIER insn before it.
1859
1860 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1861
1862         PR middle-end/24306
1863         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1864         (mips_gimplify_va_arg_expr): Call it instead of
1865         std_gimplify_va_arg_expr.
1866
1867 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1868
1869         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1870         message for -mno-pointers-to-nested-function.
1871
1872 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1873
1874         PR middle-end/51994
1875         * expr.c (get_inner_reference): If there is an offset, add a negative
1876         bit position to it (if any).
1877
1878 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1879
1880         PR rtl-optimization/52060
1881         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1882         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1883         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1884         and/or i0src_copy2 when needed.
1885
1886 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1887
1888         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1889         or LTOPLUGINSONAME if have_c.
1890
1891         * config/freebsd-spec.h: Add comment about what macros can be defined
1892         in this header.
1893         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1894         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1895         here instead.
1896
1897 2012-02-07  Richard Guenther  <rguenther@suse.de>
1898
1899         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1900         newline in -alias dumps.
1901
1902 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1903             Dave Korn  <dave.korn.cygwin@gmail.com>
1904
1905         PR target/40068
1906         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1907         Take care that typinfo gets dllexport-attribute.
1908
1909 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1910
1911         PR middle-end/52074
1912         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1913         if modifier < EXPAND_SUM call force_operand on the result.
1914
1915 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1916
1917         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1918         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1919         present.
1920         (epiphany_function_type): Replace types for specific interrupts with
1921         EPIPHANY_FUNCTION_INTERRUPT.
1922         (EPIPHANY_INTERRUPT_P): Update.
1923         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1924         New static function.
1925         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1926         <disinterrupt>: Affects type identity.
1927         (epiphany_handle_interrupt_attribute): Handle variable number of
1928         arguments.
1929         (epiphany_compute_function_type): Update for new
1930         epiphany_function_type definition.
1931         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1932         handlers with a longcall forwarder.
1933         (epiphany_start_function): Handle multiple interrupt arguments and/or
1934         forwarder_section attribute.
1935
1936         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1937         libgloss.
1938
1939 2012-02-07  Alan Modra  <amodra@gmail.com>
1940
1941         PR target/52107
1942         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1943         subregs of TFmode.
1944
1945 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1946
1947         PR tree-optimization/50969
1948         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1949         use vec_perm rather than vector_stmt.
1950         (vect_model_load_cost): Likewise.
1951         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1952         vec_perm to be the same as other vector statements.
1953         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1954         cost of vec_perm for TARGET_VSX.
1955
1956 2012-02-06  Richard Guenther  <rguenther@suse.de>
1957
1958         PR tree-optimization/52115
1959         * tree-sra.c (access_has_replacements_p): New function.
1960         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1961
1962 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1963
1964         PR middle-end/52047
1965         * trans-mem.c (expand_call_tm): Add an assertion.
1966         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1967         functions.
1968
1969 2012-02-06  Richard Guenther  <rguenther@suse.de>
1970
1971         PR tree-optimization/50955
1972         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1973         raise cost of expressions that replace an address with an
1974         expression based on a different pointer.
1975
1976 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1977
1978         PR target/52129
1979         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1980         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1981
1982 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1983
1984         PR c++/48680
1985         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1986         -Weffc++ and specify guidelines come from second edition.
1987
1988 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1989
1990         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1991         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1992         (call_direct_split, call_value_split, call_value_internal_direct)
1993         (call_value_direct_split, call_value_multiple_split): Use jal and
1994         jal_macro attributes.
1995
1996 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1997
1998         * reload1.c (reload_regs_reach_end_p): Replace with...
1999         (reload_reg_rtx_reaches_end_p): ...this function.
2000         (new_spill_reg_store): Update commentary.
2001         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2002         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2003         before setting new_spill_reg_store.
2004         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2005         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2006         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2007         for non-spill reload registers.
2008
2009 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2010
2011         PR tree-optimization/52091
2012         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2013         (vect_is_simple_use_1): Likewise.
2014         * tree-vect-loop.c (vectorizable_reduction): Update calls
2015         to vect_is_simple_use_1 and vect_is_simple_use.
2016         (vectorizable_live_operation): Likewise.
2017         * tree-vect-patterns.c (widened_name_p,
2018         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2019         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2020         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2021         vectorizable_shift,vectorizable_operation, vectorizable_store,
2022         vectorizable_load): Likewise.
2023         (vect_is_simple_cond): Add an argument, pass it to
2024         vect_is_simple_use_1.
2025         (vectorizable_condition): Update calls to vect_is_simple_cond,
2026         vect_is_simple_use.
2027         (vect_is_simple_use): Add an argument, the statement in which
2028         OPERAND is used.  Check that if OPERAND's def stmt is a double
2029         reduction phi node, the use is a phi node too.
2030         (vect_is_simple_use_1): Add an argument, pass it to
2031         vect_is_simple_use.
2032         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2033         to vect_is_simple_use.
2034
2035 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2036
2037         PR rtl-optimization/52095
2038         * modulo-sched.c (dump_insn_locator): New function.
2039         (loop_canon_p, sms_schedule): Use it.
2040
2041         PR rtl-optimization/52113
2042         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2043         even for decomposable shift/zext insns.
2044
2045 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2046             Zdenek Dvorak  <ook@ucw.cz>
2047
2048         PR rtl-optimization/52092
2049         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2050         on get_iv_value result.
2051
2052 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2053
2054         PR middle-end/47982
2055         PR middle-end/43967
2056         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2057
2058 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2059
2060         PR middle-end/48071
2061         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2062
2063 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2064
2065         PR rtl-optimization/49800
2066         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2067         (sched_finish): Call regstat_free_n_sets_and_refs.
2068
2069 2012-02-02  Jia Liu  <proljc@gmail.com>
2070
2071         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2072         than operand 2.
2073
2074 2012-02-02  Jan Hubicka  <jh@suse.cz>
2075             Tom de Vries  <tom@codesourcery.com>
2076
2077         PR middle-end/51998
2078         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2079         * varpool.c (varpool_analyze_pending_decls): Likewise.
2080
2081 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2082             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2083
2084         * config.gcc: Add cr16-* support.
2085
2086         * doc/extend.texi: Document cr16 extensions.
2087         * doc/install.texi: Document cr16 install.
2088         * doc/invoke.texi: Document cr16 options.
2089         * doc/md.texi: Document cr16 constraints.
2090
2091         * common/config/cr16/cr16-common.c: New file.
2092         * config/cr16/cr16.c: New file.
2093         * config/cr16/cr16.h: New file.
2094         * config/cr16/cr16.md: New file.
2095         * config/cr16/cr16.opt: New file.
2096         * config/cr16/cr16-protos.h: New file.
2097         * config/cr16/predicates.md: New file.
2098         * config/cr16/constraints.md: New file.
2099         * config/cr16/t-cr16: New file.
2100
2101 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR target/52086
2104         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2105         that operands[2] is either immediate, or q_regs_operand.
2106
2107         PR tree-optimization/52073
2108         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2109         a pattern stmt for pattern uses, ignore uses outside of the loop.
2110
2111 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2112
2113         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2114         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2115         (OUT_AS1, OUT_AS2): Remove.
2116
2117 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2118
2119         PR rtl-optimization/51374
2120         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2121         to cross other volatile_refs_p insns.
2122
2123 2012-02-01  Richard Guenther  <rguenther@suse.de>
2124
2125         * doc/invoke.texi (fno-inline): Clarify documentation.
2126         (finline-small-functions): Likewise.
2127         (finline-functions): Likewise.
2128         * common.opt (finline): Adjust comment and documentation.
2129         (finline-small-functions): Clarify documentation.
2130         (finline-functions): Likewise.
2131         (finline-functions-called-once): Likewise.
2132
2133 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2134
2135         * c-typeck.c (composite_type): Keep mode for pointers.
2136
2137 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2138
2139         * function.h (regno_reg_rtx): Adjust comment.
2140         * reginfo.c (init_reg_modes_target): Only use the previous mode
2141         if it fits within one register.  Remove MIPS comment.
2142
2143 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2144
2145         PR bootstrap/52058
2146         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2147
2148 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2149
2150         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2151         to srak instruction.
2152
2153 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2154
2155         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2156
2157 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2158
2159         PR bootstrap/52041
2160         PR bootstrap/52039
2161         PR target/51974
2162         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2163
2164 2012-01-31  Richard Guenther  <rguenther@suse.de>
2165
2166         PR tree-optimization/51528
2167         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2168         assigns.
2169
2170 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2171
2172         PR bootstrap/52041
2173         PR bootstrap/52039
2174         PR target/51974
2175         * ree.c (add_removable_extension): Change def_map argument
2176         to unsigned *, store in def_map 1 + offset into *insn_list vector
2177         instead of pointers into the vector.
2178         (find_removable_extensions): Adjust caller.
2179
2180 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2181
2182         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2183         Transform all "* quoted-c-code" to { c-code }.
2184         Remove redundant test for "optimize" in combine patterns.
2185         Move (include "avr-dimode.md") to end of file.
2186
2187 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2188
2189         PR target/51835
2190         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2191         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2192
2193 2012-01-30  Richard Guenther  <rguenther@suse.de>
2194
2195         PR tree-optimization/52028
2196         * tree-loop-distribution.c (ldist_gen): Properly update
2197         virtual SSA form.
2198
2199 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2200
2201         PR debug/52027
2202         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2203         set_cur_line_info_table if not emitting debug info.
2204
2205         PR tree-optimization/52046
2206         * tree-vect-patterns.c (check_bool_pattern): Give up if
2207         a comparison could throw.
2208
2209         PR debug/52048
2210         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2211
2212 2012-01-30  Richard Guenther  <rguenther@suse.de>
2213
2214         PR tree-optimization/52045
2215         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2216         SSA form if cfgcleanup did anything.
2217
2218 2012-01-30  Richard Guenther  <rguenther@suse.de>
2219
2220         PR tree-optimization/52045
2221         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2222         before computing final todo.
2223
2224 2012-01-30  Richard Guenther  <rguenther@suse.de>
2225
2226         PR tree-optimization/51528
2227         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2228         for PR51528 fix.
2229
2230 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2231
2232         * df-problems.c (df_kill_notes): Check that the use refers
2233         to the note under examination.
2234
2235 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2236
2237         PR target/51920
2238         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2239         parameter and use short-lived pseudos.
2240         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2241         (sparc_expand_vector_init): Const-ify local variables and adjust
2242         calls to above functions.
2243
2244 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2245
2246         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2247
2248 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2249
2250         * doc/invoke.texi: Make usage of "compile time" and
2251         "run time"/"runtime" consistent throughout the file.
2252
2253 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2254
2255         * config/alpha/alpha.c (alpha_option_override): Default to
2256         full IEEE compliance mode for Go language.
2257
2258 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2259
2260         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2261         (LINK_SSP_SPEC): Define.
2262
2263 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2264
2265         PR target/51871
2266         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2267         stubs.
2268
2269 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2270
2271         * doc/invoke.texi: Correct hyphenation of "floating point",
2272         "double precision", and related terminology throughout the file.
2273
2274 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR target/52006
2277         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2278         arm_general_register_operand predicate for operand 2 instead of
2279         register_operand.
2280
2281 2012-01-27  Ian Lance Taylor  <iant@google.com>
2282
2283         PR go/47656
2284         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2285         * builtins.c (expand_builtin_init_trampoline): Add onstack
2286         parameter.  Change caller.
2287         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2288         * tree.c (build_common_builtin_nodes): Declare
2289         __builtin_init_heap_trampoline.
2290
2291 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2292
2293         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2294         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2295         * config/avr/avr.c: Ditto.
2296         (avr_regnames): Remove because unused.
2297         * config/avr/avr.md (*cpse.ne): New peephole.
2298         (*cpse.eq): New peephole from former cpse peepholes.
2299
2300 2012-01-27  Michael Eager  <eager@eagercon.com>
2301
2302         * config/microblaze.c (microblaze_emit_compare): Correct
2303         test after pcmp instruction.
2304
2305 2012-01-27  Richard Guenther  <rguenther@suse.de>
2306
2307         PR tree-optimization/52020
2308         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2309
2310 2012-01-27  Richard Guenther  <rguenther@suse.de>
2311
2312         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2313         function non-const/pure.
2314
2315 2012-01-27  Richard Guenther  <rguenther@suse.de>
2316
2317         PR tree-optimization/50444
2318         * tree-sra.c (build_ref_for_offset): Properly adjust the
2319         MEM_REF type for unaligned accesses.
2320
2321 2012-01-27  Richard Guenther  <rguenther@suse.de>
2322
2323         PR tree-optimization/50444
2324         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2325         (expand_assignment): Use it.  Properly handle misaligned
2326         bases when expanding stores to component references.
2327         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2328         refactor that case.
2329
2330 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2331
2332         PR middle-end/51389
2333         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2334         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2335         * tree-data-ref.c (find_data_references_in_loop): Make static.
2336         (compute_all_dependences): Change return type to bool.  Bail out
2337         for too many datarefs in a loop.  Move the hunk resetting the data
2338         dependences vector from ...
2339         (compute_data_dependences_for_loop): ... here.  Account for
2340         compute_all_dependences returning false.
2341         (compute_data_dependences_for_bb): Likewise.
2342         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2343         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2344
2345 2012-01-27  Richard Guenther  <rguenther@suse.de>
2346
2347         PR middle-end/51959
2348         * expr.c (store_field): Use the alias-set of the scratch memory
2349         for storing to it.
2350
2351 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2352
2353         PR tree-optimization/51990
2354         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2355         WITH_SIZE_EXPR.
2356         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2357
2358 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2359
2360         PR debug/52001
2361         * var-tracking.c (reverse_op): Don't add any reverse operation
2362         if V already has any constant locations.
2363
2364 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2365
2366         * doc/invoke.texi: Correct usage of "command line" (noun)
2367         vs "command-line" (adjective) throughout.
2368
2369 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2370
2371         * doc/invoke.texi (Language Independent Options): Move
2372         -Wcoverage-mismatch blurb from here....
2373         (Warning Options): ...to here.
2374
2375 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2376
2377         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2378         Set rs6000_always_hint to false for 476.
2379
2380 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2381
2382         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2383           system root.
2384         * incpath.c (add_standard_paths): Likewise.
2385
2386 2012-01-27  Richard Henderson  <rth@redhat.com>
2387
2388         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2389         * config/m68k/sync.md (atomic_test_and_set): Rename from
2390         sync_test_and_setqi and adjust the operands.
2391         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2392         and unconditionally enable.
2393
2394 2012-01-27  Richard Henderson  <rth@redhat.com>
2395
2396         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2397         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2398         (ldstub): Rename from ldstubqi.
2399         (ldstub<I24MODE>): Remove.
2400
2401 2012-01-27  Richard Henderson  <rth@redhat.com>
2402
2403         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2404         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2405         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2406         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2407         * doc/tm.texi: Rebuild.
2408
2409 2012-01-27  Richard Henderson  <rth@redhat.com>
2410
2411         * optabs.c (gen_atomic_test_and_set): Remove default.
2412         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2413
2414 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2415
2416         PR rtl-optimization/51978
2417         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2418         (combine_reaching_defs): Likewise.
2419         (struct re_info): Remove.
2420         (add_removable_extension): Remove x and data arguments,
2421         add insn, insn_list and def_map.  Use the arguments directly
2422         instead of using struct re_info.
2423         (find_removable_extensions): Don't call add_removable_extension
2424         through note_stores, instead just call it with single_set
2425         result if non-NULL.
2426         (find_and_remove_re): Pass curr_cand->expr instead of
2427         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2428
2429 2012-01-26  Michael Matz  <matz@suse.de>
2430
2431         PR tree-optimization/46590
2432         * cfgexpand.c: Revert last change (r183305).
2433         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2434         regs.
2435         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2436         checking for emptiness.
2437
2438 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2439
2440         PR middle-end/51895
2441         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2442         non-addressable non-BLKmode base correctly.
2443
2444 2012-01-26  Michael Matz  <matz@suse.de>
2445
2446         PR tree-optimization/48794
2447         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2448         regions referenced from RESX/EH_DISPATCH.
2449
2450 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2451
2452         * config/s390/s390.h: Make BRANCH_COST an option.
2453         * config/s390/s390.opt: New option -mbranch-cost.
2454
2455 2012-01-26  Richard Henderson  <rth@redhat.com>
2456
2457         Revert 2012-01-24 change:
2458         * trans-mem.c (requires_barrier): Do not instrument thread local
2459         variables and emit save/restore for them.
2460
2461 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2462
2463         PR middle-end/51986
2464         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2465         for pat == 0.
2466
2467 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2468
2469         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2470         ASM_OPERANDS.
2471
2472 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2473
2474         PR target/49868
2475         Rename __pgm to __flash.
2476         Rename __pgm1 to __flash1.
2477         Rename __pgm2 to __flash2.
2478         Rename __pgm3 to __flash3.
2479         Rename __pgm4 to __flash4.
2480         Rename __pgm5 to __flash5.
2481         Rename __pgmx to __memx.
2482         * doc/extend.texi (AVR Named Address Spaces)
2483         Rename address space names as indicated above.
2484         * config/avr/avr.c (avr_addrspace): Ditto.
2485
2486         * config/avr/avr-protos.h
2487         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2488         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2489         * config/avr/predicates.md: Ditto.
2490         * config/avr/avr.c Ditto, and
2491         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2492         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2493
2494         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2495         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2496         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2497         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2498         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2499         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2500         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2501         * config/avr/avr.c: Ditto.
2502         * config/avr/avr.md: Ditto.
2503
2504 2012-01-25  Jason Merrill  <jason@redhat.com>
2505
2506         PR c++/51992
2507         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2508
2509 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2510
2511         PR tree-optimization/51987
2512         * tree-data-ref.c (get_references_in_stmt): Handle references in
2513         non-volatile GIMPLE_ASM.
2514
2515 2012-01-25  Richard Guenther  <rguenther@suse.de>
2516
2517         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2518         bases are dereferenced.
2519
2520 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2521
2522         PR rtl-optimization/48374
2523         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2524
2525 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2526
2527         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2528         compute_data_dependences_for_loop returns false.
2529         * tree-parloops.c (loop_parallel_p): Likewise.
2530
2531 2012-01-25  Richard Guenther  <rguenther@suse.de>
2532
2533         * tree.h (get_pointer_alignment_1): Declare.
2534         * builtins.c (get_pointer_alignment_1): New function.
2535         (get_pointer_alignment): Use it.
2536
2537 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2538
2539         PR rtl-optimization/48308
2540         * combine.c (enum undo_kind): Add UNDO_LINKS.
2541         (struct undo): Add member l to other_contents and where.
2542         (do_SUBST_LINK): New.
2543         (SUBST_LINK): New.
2544         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2545         (undo_all): Handle UNDO_LINKS.
2546
2547 2012-01-25  Richard Henderson  <rth@redhat.com>
2548
2549         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2550         mem inputs.
2551
2552 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2553
2554         * optabs.c (gen_atomic_test_and_set): Use each argument.
2555
2556 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2557
2558         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2559         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2560         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2561         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2562         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2563         TARGET_PAIRED_SINGLE_FLOAT.
2564
2565 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2566
2567         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2568         (in_struct, return_val): Remove MEM documentation.
2569         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2570         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2571         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2572         and MEM_SCALAR.
2573         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2574         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2575         * expr.c (store_field): Likewise.
2576         * function.c (assign_stack_temp_for_type): Likewise.
2577         * ifcvt.c (noce_try_cmove_arith): Likewise.
2578         * reload1.c (reload): Likewise.
2579         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2580         (alpha_set_memflags): Likewise.
2581         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2582
2583 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2584
2585         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2586         parameter.
2587         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2588         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2589         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2590         varies parameter.
2591         * cselib.c (cselib_rtx_varies_p): Delete.
2592         (cselib_invalidate_mem): Update call to canon_true_dependence.
2593         * dse.c (record_store, check_mem_read_rtx): Likewise.
2594         (scan_reads_nospill): Likewise.
2595         * cse.c (check_dependence): Likewise.
2596         (cse_rtx_varies_p): Delete.
2597         * expr.c (safe_from_p): Update call to true_dependence.
2598         * ira.c (validate_equiv_mem_from_store): Likewise.
2599         (memref_referenced_p): Likewise.
2600         * postreload-gcse.c (find_mem_conflicts): Likewise.
2601         * sched-deps.c (sched_analyze_2): Likewise.
2602         * store-motion.c (load_kills_store): Likewise.
2603         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2604         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2605         (compute_transp): Update call to canon_true_dependence.
2606
2607 2012-01-25  Richard Henderson  <rth@redhat.com>
2608
2609         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2610         (maybe_emit_atomic_test_and_set): New.
2611         (expand_sync_lock_test_and_set): Use it.
2612         (expand_atomic_test_and_set): Likewise.
2613         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2614         the implementation; clarify implementation defined details.
2615         * doc/md.texi (atomic_test_and_set): Document.
2616
2617 2012-01-25  Richard Henderson  <rth@redhat.com>
2618
2619         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2620
2621 2012-01-25  Richard Henderson  <rth@redhat.com>
2622
2623         PR target/51968
2624         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2625         to effect no-op split.
2626
2627 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2628
2629         PR lto/51698
2630         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2631         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2632         (BT_FN_VOID_PTR_INT_SIZE): New.
2633         (BT_FN_UINT_UINT_VAR): Remove.
2634         (BT_FN_UINT32_UINT32_VAR): New.
2635         (BT_FN_DOUBLE_VPTR): Remove.
2636         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2637
2638         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2639         (_ITM_changeTransactionMode): Same.
2640         (_ITM_memmoveRtWt): Change return type to void.
2641         (_ITM_memcpyRtWt): Same.
2642         (_ITM_memsetW): Same.
2643         (_ITM_RaRD): Change types to double.
2644         (_ITM_RD): Same.
2645         (_ITM_RaWD): Same.
2646         (_ITM_RfWD): Same.
2647
2648         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2649
2650 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2651             Patrick Marlier  <patrick.marlier@gmail.com>
2652
2653         * trans-mem.c (requires_barrier): Do not instrument thread local
2654         variables and emit save/restore for them.
2655
2656 2012-01-24  Jason Merrill  <jason@redhat.com>
2657
2658         PR c++/51812
2659         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2660         output static aliases.
2661
2662 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2663
2664         PR driver/47249
2665         * common.opt (-pie, -shared, pie, shared): Change from Common to
2666         Driver.
2667         * gcc.c (display_help): Display help for -pie and -shared.
2668
2669 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2670
2671         PR target/49868
2672         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2673         Remove note on size/offset limitation.
2674         (AVR Variable Attributes): Add example how to read data located
2675         with progmem.  Refer to named address spaces.
2676         * doc/invoke.texi (AVR Options): Fix typo.
2677
2678 2012-01-24  Richard Guenther  <rguenther@suse.de>
2679
2680         Forward-port to trunk
2681         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2682
2683         PR middle-end/45678
2684         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2685         op0 isn't sufficiently aligned and there is movmisalignM
2686         insn for mode, use it to load op0 into a temporary register.
2687
2688 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2689
2690         PR target/51957
2691         * target.def (const_not_ok_for_debug_p): New hook.
2692         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2693         documentation.
2694         * doc/tm.texi: Regenerated.
2695         * dwarf2out.c (const_ok_for_output_1): If
2696         targetm.const_not_ok_for_debug_p returns true, fail.
2697         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2698         function.
2699         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2700
2701 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2702
2703         PR target/51900
2704         * config/i386/predicates.md (symbolic_operand): Allow
2705         UNSPEC_PCREL as PIC expression for lea.
2706         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2707         * config/i386/i386.c (ix86_delegitimize_address): Handle
2708         UNSPEC_PCREL for none-MEM, too.
2709
2710 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2711
2712         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2713         (ipa_tm_create_version_alias): Same.
2714
2715 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2716
2717         PR libitm/51830
2718         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2719         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2720
2721 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2722             Patrick Marlier  <patrick.marlier@gmail.com>
2723             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2724
2725         PR lto/51916
2726         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2727         simple_object_start_read.
2728
2729 2012-01-23  Richard Guenther  <rguenther@suse.de>
2730
2731
2732         PR tree-optimization/51895
2733         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2734         parameter decomposition into BLKmode components.
2735
2736 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2737
2738         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2739         fake variables for restrict-qualified pointers whose pointed-to type
2740         contains a placeholder.
2741
2742 2012-01-23  Richard Guenther  <rguenther@suse.de>
2743
2744         PR tree-optimization/51949
2745         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2746
2747 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2748
2749         PR rtl-optimization/51933
2750         * ree.c (transform_ifelse): Return true right away if dstreg is
2751         already wider or equal to cand->mode.
2752         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2753         (make_defs_and_copies_lists): Remove defs_list and copies_list
2754         arguments, add state argument, just truncate state->work_list
2755         instead of always allocating and freeing the vector.  Assert that
2756         get_defs succeeds instead of returning 2.  Changed return type to bool.
2757         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2758         have ext_src_mode, see if it has been modified already with the
2759         right kind of extension and has been extended before from the
2760         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2761         just return true.  Remember the original mode in state->modified array.
2762         (combine_reaching_defs): Add state argument.  Don't allocate and
2763         free here def_list, copied_list and vec vectors, instead just
2764         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2765         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2766         Add state variable, clear vectors in it, initialize state.modified
2767         if needed.  Free all the vectors at the end and state.modified too.
2768         Don't skip a candidate if the extension expression has been modified.
2769
2770 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2771
2772         PR target/47096
2773         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2774          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2775         (extra_options) interix.opt -> i386/interix.opt"
2776         (extra_objs):Add winnt-stubs.o
2777         * configure.ac: Add interix to target_os .comm on PE check.
2778         * configure: Regenerate.
2779         * config/interix3.h: Delete and move bits to..
2780         * config/interix.h: Delete and move bits to..
2781         * config/i386/i386-interix3.h: Delete and move bits to..
2782         * config/i386/i386-interix.h: ..here.
2783         (TARGET_CPU_DEFAULT): Remove redefinition.
2784         (TARGET_ASM_CONSTRUCTOR): Undefine.
2785         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2786         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2787         (PTRDIFF_TYPE): Define.
2788         (LONG_DOUBLE_TYPE_SIZE): Define.
2789         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2790         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2791         (TARGET_SECTION_TYPE_FLAGS): Define.
2792         (ASM_DECLARE_FUNCTION_NAME): Define.
2793         (ASM_OUTPUT_EXTERNAL): Define.
2794         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2795         (ASM_OUTPUT_ALIGNED_BSS): Define.
2796         (PCC_BITFIELD_TYPE_MATTERS): Define.
2797         (USE_CONST_SECTION): Define.
2798         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2799         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2800         (SUPPORTS_ONE_ONLY): Remove.
2801         (I386_PE_STRIP_ENCODING): Define.
2802         * config/interix.opt: Delete and move bits to..
2803         * config/i386/interix.opt: ..here. New.
2804         (mpe-aligned-commons): Add.
2805         * config/i386/t-interix: Add copyright header.
2806         (winnt-stubs.o): Add rule.
2807
2808 2012-01-22  Jason Merrill  <jason@redhat.com>
2809
2810         PR c++/51832
2811         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2812         for extra name aliases.
2813
2814 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2815
2816         PR rtl-optimization/51924
2817         * ree.c (combine_set_extension): Improve debugging message.
2818         (combine_reaching_defs): Likewise.
2819         (get_defs): Rename confusingly named variable.
2820         (find_and_remove_re): Skip a candidate if the extension expression has
2821         been modified.
2822
2823 2012-01-21  Robert Millan  <rmh@gnu.org>
2824             Gerald Pfeifer  <gerald@pfeifer.com>
2825
2826         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2827         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2828
2829 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2830
2831         PR tree-optimization/51914
2832         * tree-vect-stmts.c (vectorizable_conversion): For
2833         cvt_type && modifier == WIDEN, put temporary with cvt_type
2834         at the beginning of vec_dsts and set vec_dest to temporary
2835         with vectype_out.
2836
2837 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2838
2839         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2840
2841 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2842
2843         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2844         * config/rs6000/rs6000.c: Likewise.
2845
2846 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2847
2848         PR target/51915
2849         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2850         output_move_double on a copy of operands array.
2851
2852 2012-01-20  Cary Coutant  <ccoutant@google.com>
2853             Dodji Seketeli  <dodji@redhat.com>
2854
2855         PR debug/45682
2856         * dwarf2out.c (copy_declaration_context): Return ref to parent
2857         of declaration DIE, if necessary.
2858         (remove_child_or_replace_with_skeleton): Add new parameter; update
2859         caller.  Place skeleton DIE under parent DIE of original declaration.
2860         Move call to copy_declaration_context to here ...
2861         (break_out_comdat_types): ... from here.
2862
2863 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2864
2865         PR rtl-optimization/51856
2866         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2867         flag to reloaded.
2868
2869 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2870
2871         PR target/51819
2872         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2873         hints for neon loads and stores.
2874
2875 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2876
2877         PR target/49868
2878         PR target/50887
2879         * doc/extend.texi (Named Address Spaces): Split into subsections.
2880         (AVR Named Address Spaces): New subsection.
2881         (M32C Named Address Spaces): New subsection.
2882         (RL78 Named Address Spaces): New subsection.
2883         (SPU Named Address Spaces): New subsection.
2884         (Variable Attributes): New anchor "AVR Variable Attributes".
2885         (AVR Variable Attributes): Rewrite and avoid wording
2886         "address space" in this context.
2887         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2888         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2889         (AVR Built-in Macros): New subsubsection therein.
2890         * doc/md.texi (AVR constraints): Remove "C04", "R".
2891
2892 2012-01-20  Richard Guenther  <rguenther@suse.de>
2893
2894         PR tree-optimization/51903
2895         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2896         when removing stmts.
2897
2898 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2899
2900         PR target/50313
2901         * config/arm/arm.c (arm_load_pic_register): Use
2902         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2903         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2904         (arm_pic_static_addr): Likewise.
2905         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2906         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2907         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2908         (pic_load_addr_unified): New.
2909
2910 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2911
2912         PR target/51106
2913         * function.c (instantiate_virtual_regs_in_insn): Use
2914         delete_insn_and_edges when removing a wrong asm insn.
2915
2916 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2917
2918         PR rtl-optimization/40761
2919         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2920         Add new member loop_num.
2921         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2922         (ira_build): Remove the parameter.
2923
2924         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2925         (ira.c): Do not build CFG loops for one region allocation.  Remove
2926         argument from ira_build call.
2927
2928         * ira-build.c (init_loop_tree_node): New function.
2929         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2930         loops are not built.
2931         (more_one_region_p): Check current_loops.
2932         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2933         built.
2934         (add_loop_to_tree): Process loop equal to NULL too.
2935         (form_loop_tree): Separate the case when CFG loops are not built.
2936         Use explicitly number for the root.
2937         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2938         an assertion.
2939         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2940         instead of loop->num.
2941         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2942         (mark_all_loops_for_removal): Ditto.
2943         (remove_unnecessary_regions): Separate the case when CFG loops
2944         are not built.
2945         (ira_build): Remove the parameter.  Use explicit number of regions
2946         when CFG loops are not built.
2947
2948         * ira-color.c (print_loop_title): Separate the case for the root node.
2949         Use loop_num instead of loop->num.
2950         (move_spill_restore): Use loop_num instead of loop->num.
2951
2952         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2953         (change_loop): Ditto.
2954         (change_loop): Use loop_num instead of loop->num.
2955
2956         * ira-lives.c (process_bb_node_lives): Ditto.
2957
2958         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2959
2960         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2961
2962 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2963
2964         PR libmudflap/40778
2965         * tree-mudflap.c (mf_artificial): New function.
2966         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2967         mx_register_decls, mudflap_enqueue_decl): Use it.
2968
2969         PR target/51876
2970         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2971         numbers in the insn pattern.
2972
2973 2012-01-19  Michael Matz  <matz@suse.de>
2974
2975         PR tree-optimization/46590
2976         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2977         use it in remembering which conflicts we already created.
2978         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2979         bitmap.
2980
2981 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2982
2983         PR lto/51280
2984         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2985         (merge_and_complain): Same.
2986
2987 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2988
2989         PR bootstrap/50237
2990         * config/initfini-array.h: Guard content of the header
2991         with #ifdef HAVE_INITFINI_ARRAY.
2992         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2993         Add initfini-array.h to tm_file here.
2994         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2995         * config.gcc: Don't add initfini-array.h to tm_file here.
2996         * configure: Regenerated.
2997
2998 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2999
3000         PR rtl-optimization/51505
3001         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3002         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3003         (df_note_bb_compute): Update the call to df_kill_notes.
3004
3005 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3006
3007         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3008
3009 2012-01-18  Richard Guenther  <rguenther@suse.de>
3010
3011         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3012         of conversions to void *.
3013
3014 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3015             Richard Sandiford  <rdsandiford@googlemail.com>
3016
3017         PR middle-end/50325
3018         PR middle-end/51192
3019         * optabs.h (simplify_expand_binop): Declare.
3020         * optabs.c (simplify_expand_binop): Make global.
3021         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3022         endian targets if the source cannot be exactly covered by word
3023         mode chunks.
3024
3025 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3026
3027         PR bootstrap/51872
3028         * hard-reg-set.h (struct hard_reg_set_container): New type.
3029         * target.h (struct hard_reg_set_container): Forward declare.
3030         * target.def (set_up_by_prologue): New target hook.
3031         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3032         * doc/tm.texi: Regenerated.
3033         * function.c (thread_prologue_and_epilogue_insns): Change
3034         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3035         Call targetm.set_up_by_prologue on it.
3036         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3037         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3038
3039 2012-01-17  Nick Clifton  <nickc@redhat.com>
3040
3041         * config/rx/rx.c (rx_can_use_simple_return): New function.
3042         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3043         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3044
3045 2012-01-17  Richard Guenther  <rguenther@suse.de>
3046
3047         PR middle-end/51782
3048         * expr.c (expand_assignment): Take address-space information
3049         from the address operand of MEM_REF and TARGET_MEM_REF.
3050         (expand_expr_real_1): Likewise.
3051
3052 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3053
3054         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3055         reload dump is requested.
3056
3057 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3058
3059         PR other/51165
3060         * trans-mem.c (requires_barrier): Call may_be_aliased.
3061
3062 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR tree-optimization/51877
3065         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3066         call arguments and fndecls compare equal, instead return false if they
3067         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3068         both SSA_NAMEs that are valueized the same, or they satisfy
3069         operand_equal_p.
3070
3071 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3072
3073         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3074         Solaris 11+.
3075         * configure: Regenerate.
3076
3077 2012-01-16  Jan Hubicka  <jh@suse.cz>
3078
3079         PR c/12245
3080         PR c++/14179
3081         * convert.c (convert_to_integer): Use fold_convert for
3082         converting an INTEGER_CST to integer type.
3083
3084 2012-01-16  Jason Merrill  <jason@redhat.com>
3085
3086         PR c++/14179
3087         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3088
3089 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3090
3091         PR bootstrap/51860
3092         * config/s390/s390.c (s390_chunkify_start): Don't skip
3093         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3094         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3095         If insn is followed by NOTE_INSN_VAR_LOCATION or
3096         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3097         Don't use location of note insns.
3098
3099         PR tree-optimization/51865
3100         * tree-inline.c (tree_function_versioning): Call remap_decl
3101         on DECL_RESULT whenever it has VOID_TYPE_P type.
3102
3103 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3104
3105         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3106         for calls to locally-binding MIPS16 functions if only the return
3107         type uses float regs.
3108
3109 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3110             Richard Sandiford  <rdsandiford@googlemail.com>
3111
3112         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3113         (SYMBOL_32_HIGH): Likewise.
3114         (mips_output_tls_reloc_directive): Declare.
3115         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3116         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3117         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3118         (mips_lo_relocs, mips_hi_relocs): Make extern.
3119         (mips16_stub_function): Move up file.
3120         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3121         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3122         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3123         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3124         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3125         (mips_get_tp): Add MIPS16 support.
3126         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3127         Generalize DTPREL and TPREL handling.
3128         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3129         Add MIPS16 TLS support.
3130         (mips_output_tls_reloc_directive): New function.
3131         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3132         * config/mips/predicates.md (symbolic_operand_with_high)
3133         (tls_reloc_operand): New predicates.
3134         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3135         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3136         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3137         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3138         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3139         (*tls_get_tp_mips16_call_<mode>): Likewise.
3140
3141 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3142
3143         PR rtl-optimization/51821
3144         * recog.c (peep2_find_free_register): Determine clobbered registers
3145         from insn pattern.
3146
3147 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3148
3149         PR target/50925
3150         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3151         * config/avr/avr.c: Likewise.
3152         * config/avr/avr.h: Likewise.
3153
3154 2012-01-13  Ian Lance Taylor  <iant@google.com>
3155
3156         PR c++/50012
3157         * tree.h (TYPE_QUALS): Add cast to int.
3158         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3159
3160 2012-01-13  Ian Lance Taylor  <iant@google.com>
3161
3162         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3163         comparing param_index to VEC_length result.
3164
3165 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3166
3167         * c-decl.c: Do not include tree-mudflap.h
3168         * tree-optimize.c: Likewise.
3169         * Makefile.in: Update dependencies.
3170
3171 2012-01-13  Richard Guenther  <rguenther@suse.de>
3172
3173         PR middle-end/8081
3174         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3175         variable-sized result always use RSO.
3176
3177 2012-01-12  DJ Delorie  <dj@redhat.com>
3178
3179         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3180         pointer type, not just the default pointer type.
3181
3182 2012-01-09  Richard Henderson  <rth@redhat.com>
3183             Denis Chertykov  <chertykov@gmail.com>
3184
3185         PR target/50925
3186         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3187         * config/avr/avr.c (avr_can_eliminate): Simplify.
3188         (avr_initial_elimination_offset): Likewise.
3189         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3190         (expand_epilogue): Likewise.
3191         (avr_legitimize_address): Gut.
3192         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3193         (avr_hard_regno_nregs): New.
3194         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3195         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3196         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3197         add soft frame pointer.
3198         (CALL_USED_REGISTERS): Likewise.
3199         (REG_CLASS_CONTENTS): Likewise.
3200         (REGISTER_NAMES): Likewise.
3201         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3202         (HARD_FRAME_POINTER_REGNUM): New.
3203         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3204         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3205         remove the HARD_FRAME_POINTER self-elimination.
3206
3207 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3208
3209         PR target/51756
3210         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3211         DECL_EXTERNAL when checking for initializers of progmem variables.
3212
3213 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3214
3215         PR tree-optimization/51799
3216         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3217         that the last operation is a type demotion.
3218
3219 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3220
3221         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3222         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3223
3224 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3225
3226         PR bootstrap/51796
3227         * combine.c (distribute_notes): If i3 is a noreturn call,
3228         allow old_size to be equal to args_size and make sure the
3229         noreturn call gets REG_ARGS_SIZE note.
3230         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3231         on noreturn calls even when the delta is 0.
3232
3233 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3234
3235         * gcov.c (STRING_SIZE): Remove.
3236         (generate_results): Erase annotations for source files with no
3237         coverage information.
3238         (read_line): New.
3239         (output_lines): Use it.
3240
3241 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3242
3243         * gimple.h (gimplify_body): Remove first argument.
3244         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3245         pointer set here, instead just pass DATA to walk_tree.
3246         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3247         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3248         (unvisit_body): Likewise, but with unmark_visited.
3249         (gimplify_body): Remove BODY_P argument and adjust.
3250         (gimplify_function_tree): Adjust call to gimplify_body.
3251         * omp-low.c (finalize_task_copyfn): Likewise.
3252
3253 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3254
3255         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3256         (build_function_type_skip_args): Delete.
3257         * tree.c (build_function_type_skip_args): Make static and add
3258         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3259         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3260         pass it to build_function_type_skip_args.
3261         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3262         (tree_function_versioning): Likewise.
3263         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3264         build_function_decl_skip_args.
3265         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3266         and pass it to build_function_decl_skip_args/tree_function_versioning.
3267         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3268         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3269         * trans-mem.c (ipa_tm_create_version): Likewise.
3270         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3271         * tree-inline.c (declare_return_variable): Remove always-true test.
3272         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3273         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3274         * ipa-split.c (split_function): Skip the return value for the split
3275         part if it doesn't return.
3276
3277 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3278
3279         PR tree-optimization/49642
3280         * ipa-split.c (forbidden_dominators): New variable.
3281         (check_forbidden_calls): New function.
3282         (dominated_by_forbidden): Likewise.
3283         (consider_split): Check for forbidden dominators.
3284         (execute_split_functions): Initialize and free forbidden
3285         dominators info; call check_forbidden_calls.
3286
3287 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3288
3289         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3290
3291 2012-01-11  Nick Clifton  <nickc@redhat.com>
3292
3293         * config/rx/rx.md (return): Define pattern.
3294
3295 2012-01-11  Richard Guenther  <rguenther@suse.de>
3296
3297         * doc/extend.texi (malloc attribute): Adjust according to
3298         implementation.
3299
3300 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3301             Patrick Marlier  <patrick.marlier@gmail.com>
3302
3303         PR middle-end/51516
3304         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3305         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3306         (ipa_tm_note_irrevocable): Same.
3307         (ipa_tm_scan_irr_block): Same.
3308         (ipa_tm_decrement_clone_counts): Same.
3309         (ipa_tm_scan_irr_function): Same.
3310         (ipa_tm_create_version_alias): Same.
3311         (ipa_tm_create_version): Same.
3312         (ipa_tm_transform_calls_redirect): Same.
3313         (ipa_tm_transform_calls): Same.
3314         (ipa_tm_transform_transaction): Same.
3315         (ipa_tm_execute): Same.
3316
3317 2012-01-10  Richard Guenther  <rguenther@suse.de>
3318
3319         PR middle-end/51806
3320         * opts.c (common_handle_option): Handle -Werror.
3321
3322 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3323
3324         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3325         operand number.
3326
3327 2012-01-10  Jason Merrill  <jason@redhat.com>
3328
3329         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3330         information.
3331
3332 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3333
3334         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3335         supports R_386_TLS_GD_PLT reloc.
3336         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3337         supports R_386_TLS_LDM_PLT reloc.
3338         * configure: Regenerate.
3339         * config.in: Regenerate.
3340
3341 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3342
3343         PR target/49868
3344         Extend __pgmx semantics to linearize memory.
3345         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3346         determine if code comes inline or from libgcc.
3347         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3348         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3349         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3350         (movmemx_qi, movmemx_hi): New insns.
3351         (xload_<mode>_libgcc): Rewrite to new insn condition.
3352         (xload_<mode>): Remove insns.
3353         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3354         cases that don't satisfy avr_xload_libgcc_p().
3355         (avr_addr_space_convert): Allow converting in any direction.
3356         (avr_addr_space_subset_p): Return always true.
3357         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3358         (avr_emit_movmemhi): Ditto.
3359         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3360         (avr_out_movmem): Ditto.
3361         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3362         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3363         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3364         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3365         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3366
3367 2012-01-10  Richard Guenther  <rguenther@suse.de>
3368
3369         PR tree-optimization/50913
3370         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3371         Require data-refs to be representable by Graphite with respect
3372         to any loop nest.
3373
3374 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3375
3376         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3377         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3378
3379 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3380
3381         PR rtl-optimization/51271
3382         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3383         handling annulled branch.
3384
3385 2012-01-10  Richard Henderson  <rth@redhat.com>
3386
3387         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3388         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3389         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3390         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3391         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3392         arm_expand_vec_perm_const): New.
3393         * config/arm/arm-protos.h: Update.
3394         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3395         (*neon_vswp<VDQX>): New.
3396         (neon_vcombine<VDX>): Use neon_split_vcombine.
3397         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3398         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3399         (vec_perm<VE>): New.
3400
3401 2012-01-10  Richard Henderson  <rth@redhat.com>
3402
3403         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3404         use it if reload_completed.
3405         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3406         arm_output_asm_insn, arm_process_output_memory_barrier,
3407         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3408         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3409         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3410         arm_process_output_sync_insn, arm_output_sync_insn,
3411         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3412         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3413         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3414         (emit_unlikely_jump): New.
3415         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3416         (arm_split_atomic_op): New.
3417         * config/arm/arm-protos.h: Update.
3418         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3419         (struct arm_sync_generator): Remove.
3420         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3421         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3422         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3423         (VUNSPEC_LL, VUNSPEC_SC): New.
3424         (sync_result, sync_memory, sync_required_value, sync_new_value,
3425         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3426         (attr length): Don't use arm_sync_loop_insns.
3427         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3428         (movsfcc, movdfcc): Likewise.
3429         * config/arm/constraints.md (Ua): New.
3430         * config/arm/prediates.md (mem_noofs_operand): New.
3431         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3432         (sync_clobber, sync_t2_reqd): Remove.
3433         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3434         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3435         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3436         (arm_sync_compare_and_swap<SIDI>): Remove.
3437         (arm_sync_compare_and_swap<NARROW>): Remove.
3438         (arm_sync_lock_test_and_set<SIDI>): Remove.
3439         (arm_sync_lock_test_and_set<NARROW>): Remove.
3440         (arm_sync_new_<syncop><SIDI>): Remove.
3441         (arm_sync_new_<syncop><NARROW>): Remove.
3442         (arm_sync_new_nand<SIDI>): Remove.
3443         (arm_sync_new_nand<NARROW>): Remove.
3444         (arm_sync_old_<syncop><SIDI>): Remove.
3445         (arm_sync_old_<syncop><NARROW>): Remove.
3446         (arm_sync_old_nand<SIDI>): Remove.
3447         (arm_sync_old_nand<NARROW>): Remove.
3448         (*memory_barrier): Merge arm_output_memory_barrier.
3449         (atomic_compare_and_swap<QHSD>): New.
3450         (atomic_compare_and_swap<NARROW>_1): New.
3451         (atomic_compare_and_swap<SIDI>_1): New.
3452         (atomic_exchange<QHSD>): New.
3453         (cas_cmp_operand, cas_cmp_str): New.
3454         (atomic_op_operand, atomic_op_str): New.
3455         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3456         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3457         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3458         (arm_load_exclusive<NARROW>): New.
3459         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3460         (arm_store_exclusive<QHSD>): New.
3461
3462 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3463
3464         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3465         reload patterns if -mvsx-scalar-memory.
3466
3467         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3468         generated, even -mno-vsx-scalar-double was used.
3469         (vsx_xscvdpsp_scalar): Likewise.
3470         (vsx_xscvspdp_scalar2): Likewise.
3471
3472 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3473             Andrew Pinski  <apinski@cavium.com>
3474
3475         PR debug/51471
3476         * reorg.c (fill_slots_from_thread): Don't speculate
3477         frame-related insns.
3478
3479 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3480
3481         * sched-int.h (bb_note): Move to...
3482         * basic-block.h: ...here.
3483         * haifa-sched.c (bb_note): Move to...
3484         * cfgrtl.c: ...here.
3485         * function.c (next_block_for_reg): New function.
3486         (move_insn_for_shrink_wrap): Likewise.
3487         (prepare_shrink_wrap): Rewrite to use the above.
3488
3489 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3490
3491         * gimple.c (is_gimple_non_addressable): Remove.
3492         * gimple.h: Remove is_gimple_non_addressable.
3493         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3494         is_gimple_non_addressable.
3495         * trans-mem.c (expand_assign_tm): Same.
3496
3497 2012-01-09  Richard Guenther  <rguenther@suse.de>
3498
3499         PR tree-optimization/51775
3500         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3501         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3502
3503 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>