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1 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
4
5 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
6
7         PR target/53020
8         * config/i386/sync.md (atomic_<code><mode>): Rename to
9         atomic_<logic><mode>.
10
11 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
12
13         Backport from mainline
14         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
15
16         PR target/52932
17         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
18         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
19         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
20         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
21         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
22         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
23         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
24         gen_avx2_permvarv8sf.
25
26 2012-04-16  Martin Jambor  <mjambor@suse.cz>
27
28         Backported from mainline
29
30         2012-04-13  Martin Jambor  <mjambor@suse.cz>
31         PR middle-end/52939
32
33         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
34         fold_ctor_reference returns a zero constant.
35
36 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
37
38         Backported from mainline
39         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
40
41         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
42         and __ILP32__ for x32.
43
44 2012-04-13  Tom de Vries  <tom@codesourcery.com>
45
46         Backport from mainline r186418.
47
48         2012-04-13  Tom de Vries  <tom@codesourcery.com>
49
50         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
51         parameters vuse and vuse_escaped.
52         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
53         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
54         vuse1 != vuse2.
55
56 2012-04-13  Richard Guenther  <rguenther@suse.de>
57
58         PR tree-optimization/52969
59         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
60         the condition for the COND_EXPR and handle predicate negation
61         by swapping the COND_EXPR arms.
62
63 2012-04-13  Richard Guenther  <rguenther@suse.de>
64
65         PR c/52862
66         * convert.c (convert_to_pointer): Remove special-casing of
67         zero.
68
69 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
70
71         Backport from mainline
72         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
73
74         PR target/52775
75         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
76         the list of options to enable the FCFID instruction.
77         (TARGET_EXTRA_BUILTINS): Adjust comment.
78
79 2012-04-12  Richard Guenther  <rguenther@suse.de>
80
81         PR tree-optimization/52943
82         * tree-chrec.h (chrec_is_positive): Remove.
83         * tree-scalar-evolution.c (chrec_is_positive): Move ...
84         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
85         Return false for a constant zero instead of negative.
86         (analyze_siv_subscript_cst_affine): Handle zero difference
87         in the initial condition explicitely.
88
89 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
90
91         PR middle-end/52894
92         * varasm.c (process_pending_assemble_externals): Set
93         pending_assemble_externals_processed true.
94         (assemble_external): Call assemble_external_real if the pending
95         assemble externals have been processed.
96
97 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
98
99         PR target/52717
100         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
101         the DECL generated for the special GOT helper.
102
103 2012-04-06  Walter Lee  <walt@tilera.com>
104
105         Backport from mainline
106         2012-03-07  Walter Lee  <walt@tilera.com>
107
108         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
109         REG_CFA_* notes for the stack pointer.
110         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
111         EH_RETURN_STACKADJ_RTX.
112         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
113         generate REG_CFA_* notes for the stack pointer.
114         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
115         by EH_RETURN_STACKADJ_RTX.
116
117 2012-04-06  Matt Turner  <mattst88@gmail.com>
118
119         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
120
121 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
122
123         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
124         of the destination isn't also a FP_REGS register.
125
126 2012-04-03  Richard Guenther  <rguenther@suse.de>
127
128         Backport from mainline
129         2012-03-02  Richard Guenther  <rguenther@suse.de>
130
131         PR tree-optimization/52406
132         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
133         (struct indices): Add unconstrained_base member.
134         (struct dr_alias): Remove unused vops member.
135         (DR_UNCONSTRAINED_BASE): New define.
136         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
137         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
138         be an artificial access that covers the whole indexed object,
139         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
140         plain decl base-objects to their MEM_REF variant.
141         (dr_may_alias_p): When the base-object of either data reference
142         has unknown size use only points-to information.
143         (compute_affine_dependence): Make dumps easier to read and
144         more verbose.
145         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
146         DR_REF when looking for packed references.
147         (vect_supportable_dr_alignment): Likewise.
148
149 2012-04-03  Richard Guenther  <rguenther@suse.de>
150
151         Backport from mainline
152         2012-03-15  Richard Guenther  <rguenther@suse.de>
153
154         PR middle-end/52580
155         * tree-data-ref.c (subscript_dependence_tester_1): Check
156         all dimensions for non-conflicting access functions.
157
158 2012-04-03  Richard Guenther  <rguenther@suse.de>
159
160         Backport from mainline
161         2012-03-06  Richard Guenther  <rguenther@suse.de>
162
163         PR middle-end/52493
164         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
165
166         2012-03-23  Richard Guenther  <rguenther@suse.de>
167
168         PR tree-optimization/52678
169         * tree-vectorizer.h (struct _stmt_vec_info): Add
170         loop_phi_evolution_part member.
171         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
172         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
173         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
174         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
175         Use the cached evolution part and the PHI nodes value from
176         the loop preheader edge instead of re-analyzing the evolution.
177
178         2012-03-26  Richard Guenther  <rguenther@suse.de>
179
180         PR tree-optimization/52701
181         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
182         compute and set the evolution part of PHI nodes.
183
184         2012-03-30  Richard Guenther  <rguenther@suse.de>
185
186         PR tree-optimization/52754
187         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
188         propagate arbitrary addresses into really plain dereferences.
189
190 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
191
192         PR tree-optimization/52835
193         * tree-data-ref.c (build_rdg): Return NULL if
194         compute_data_dependences_for_loop failed.
195
196 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
197
198         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
199         (stmt_can_make_abnormal_goto): Use it.
200         (is_ctrl_altering_stmt): Likewise.
201
202 2012-03-31  Martin Jambor  <mjambor@suse.cz>
203
204         Backported from mainline
205         2012-03-30  Martin Jambor  <mjambor@suse.cz>
206
207         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
208         is a builtin_stack_save in a dominating BB.
209
210 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
211
212         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
213         crossing 128bit lane boundary.
214
215 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
216
217         Backported from mainline
218         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
219
220         PR target/52698
221         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
222         New prototype.
223         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
224         * config/i386/i386.c: Include reload.h.
225         (ix86_legitimize_reload_address): New function.
226
227 2012-03-28  Martin Jambor  <mjambor@suse.cz>
228
229         Backported from mainline
230         2012-03-27  Martin Jambor  <mjambor@suse.cz>
231
232         PR middle-end/52693
233         * tree-sra.c (sra_modify_assign): Do not call
234         load_assign_lhs_subreplacements when working with an unscalarizable
235         region.
236
237 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
238
239         PR middle-end/52691
240         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
241         __builtin_va_start to __builtin_next_arg if the latter is
242         builtin_decl_explicit_p rather than when it is not.
243
244         PR middle-end/52750
245         * tree-vect-generic.c (vector_element): Perform multiplication
246         for pos in bitsizetype type instead of idx type.
247
248 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
249
250         Backport from 2012-03-28 mainline r185910.
251
252         PR target/52692
253         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
254         (avr_builtin_decl): New static function.
255         (struct avr_builtin_description, avr_bdesc): Move up.
256         Add GTY marker. Add field fndecl. Remove redundant field id.
257         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
258         (avr_expand_builtin): Code cleanup because .id is removed.
259
260 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
261
262         PR middle-end/51893
263         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
264         targets.
265
266 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
267
268         Backport from 2012-03-28 mainline r185907.
269
270         PR target/52737
271         * config.gcc (tm_file): Remove avr/multilib.h.
272
273         * doc/invoke.texi (AVR Options): Adjust
274         documentation of -mtiny-stack.
275
276         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
277         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
278         * config/avr/t-avr: Remove generation of multilib.h.
279         * config/avr/t-multilib: Regenerate.
280         * config/avr/multilib.h: Remove.
281         * config/avr/avr.opt (-msp8): New option.
282         (avr_sp8): New variable.
283         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
284         * config/avr/avr.h (AVR_HAVE_SPH): New define.
285         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
286         (avr_device_to_sp8): New prototype.
287         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
288         (DRIVER_SELF_SPECS): New define.
289         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
290         __AVR_SP8__, __AVR_HAVE_SPH__.
291         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
292         AVR_HAVE_8BIT_SP to decide if SP_H is present.
293         (avr_file_start): Ditto.
294
295 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
296
297         PR target/52736
298         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
299         instead of 8 in adjust_address.
300
301 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
302
303         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
304         of a unit before computing the offset in units.
305
306 2012-03-27  Richard Guenther  <rguenther@suse.de>
307
308         PR middle-end/52720
309         * fold-const.c (try_move_mult_to_index): Handle &x.array more
310         explicitely.
311
312 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
313
314         PR target/52610
315         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
316
317 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
318
319         PR middle-end/52640
320         * varasm.c: Include pointer-set.h.
321         (pending_assemble_externals_set): New pointer set.
322         (process_pending_assemble_externals): Destroy the pointer set.
323         (assemble_external): See if decl is in pending_assemble_externals_set,
324         and add it to pending_assemble_externals if necessary.
325         (init_varasm_once): Allocate pending_assemble_externals_set.
326
327 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
328
329         Backported from mainline
330         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
331
332         PR target/50310
333         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
334         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
335         (vector_ltgt<mode>): Likewise.
336         (vector_ordered<mode>): Likewise.
337         (vector_unordered<mode>): Likewise.
338         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
339
340 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
341
342         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
343         Make static.
344
345 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
346
347         Backported from mainline
348         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
349
350         PR target/48596
351         PR target/48806
352         * config/sh/sh.c (sh_register_move_cost): Increase cost between
353         GENERAL_REGS and FP_REGS for SImode.
354
355 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
356
357         PR middle-end/52547
358         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
359         on any new_local_var_chain vars declared during recursing on
360         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
361
362 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
363
364         Backport from 2012-03-22 mainline r185692.
365
366         PR target/52496
367         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
368         (unspecv): Add UNSPECV_MEMORY_BARRIER.
369         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
370         (delay_cycles_1, delay_cycles_2): Ditto.
371         (delay_cycles_3, delay_cycles_4): Ditto.
372         (nopv, *nopv): Ditto.
373         (sleep, *sleep): Ditto.
374         (wdr, *wdr): Ditto.
375
376         Backport from 2012-03-21 mainline r185605.
377
378         PR rtl-optimization/52543
379         PR target/52461
380         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
381         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
382         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
383         (avr_load_libgcc_p): Restrict to __flash loads.
384         (avr_out_lpm): Only handle 1-byte loads from __flash.
385         (avr_load_lpm): New function.
386         (avr_find_unused_d_reg): Remove.
387         (avr_out_lpm_no_lpmx): Remove.
388         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
389         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
390         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
391         (load_<mode>, load_<mode>_clobber): New insns.
392         (mov<mode>): For multi-byte move from non-generic
393         16-bit address spaces: Expand to load_<mode> resp.
394         load_<mode>_clobber.
395         (load<mode>_libgcc): Remove expander.
396         (split-lpmx): Remove split.
397
398         Backport from 2012-03-13 mainline r185329.
399
400         PR target/52488
401         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
402         offset (size) to a value the insns can deal with.
403         (expand_epilogue): Ditto.
404
405         Backport from 2012-03-12 mainline r185256.
406
407         PR target/52499
408         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
409         type from reg_class_t to enum reg_class.
410         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
411
412         Backport from 2012-03-12 mainline r185253.
413
414         PR target/52148
415         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
416         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
417         r184615 from 2012-02-28.
418
419         Backport from 2012-03-08 mainline r185105.
420
421         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
422         for constants in [-63,63].
423
424         Backport from 2012-03-08 mainline r185100.
425
426         PR target/52496
427         * config/avr/avr.c (avr_mem_clobber): New static function.
428         (avr_expand_delay_cycles): Add memory clobber operand to
429         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
430         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
431         (enable_interrupt, disable_interrupt): New expander.
432         (nopv, sleep, wdr): New expanders.
433         (delay_cycles_1): Add memory clobber.
434         (delay_cycles_2): Add memory clobber.
435         (delay_cycles_3): Add memory clobber.
436         (delay_cycles_4): Add memory clobber.
437         (cli_sei): New insn from former "enable_interrupt",
438         "disable_interrupt" with memory clobber.
439         (*wdt): New insn from former "wdt" with memory clobber.
440         (*nopv): Similar, but for "nopv".
441         (*sleep): Similar, but for "sleep".
442
443         Backport from 2012-03-07 mainline r185043.
444
445         PR target/52484
446         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
447
448         Backport from 2012-03-07 mainline r185032.
449
450         PR target/52506
451         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
452         to: RAMPZ, RAMPY, RAMPX, RAMPD.
453         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
454
455         Backport from 2012-03-07 mainline r185031.
456
457         PR target/52505
458         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
459         from RAM.
460         * config/avr/avr.md (xload_8): Adjust insn length.
461
462         Backport from 2012-03-07 mainline r185030.
463
464         PR target/52461
465         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
466         if RAMPZ affects reading from RAM.
467
468         Backport from 2012-03-05 mainline r184919.
469
470         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
471
472 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
473
474         Backport from mainline r185259.
475
476         PR other/52545
477         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
478         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
479
480 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
481
482         Backported from mainline
483         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
484
485         PR c/52577
486         * c-parser.c (c_parser_postfix_expression)
487         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
488
489         * config/i386/smmintrin.h: Avoid /* within a comment.
490         * config/i386/nmmintrin.h: Likewise.
491
492 2012-03-22  Richard Guenther  <rguenther@suse.de>
493
494         * BASE-VER: Set to 4.7.1.
495         * DEV-PHASE: Set to prerelease.
496
497 2012-03-22  Release Manager
498
499         * GCC 4.7.0 released.
500
501 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
502
503         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
504
505 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
506             Andrew Pinski  <apinski@cavium.com>
507
508         PR middle-end/52592
509         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
510         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
511         calls instead of __builtin_ir{int,ound}*.
512
513 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
514
515         PR c++/52582
516         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
517         if c_node is NULL.
518
519 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
520
521         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
522         Refer to GCC 4.7 version of c99status.html.
523
524 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
525
526         Backport from mainline
527         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
528
529         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
530         redefine to be NULL if the current bit-size is different from the
531         configured bit-size.
532
533         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
534         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
535         set the default tuning.  Add asserts to make sure the cpu and tune
536         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
537         test whether the index is set, instead of > 0.
538         (rs6000_file_start): Do not reset the default cpu if the current
539         bit-size is different from the configured bit-size.
540
541 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
542
543         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
544         binutils reference.
545         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
546         Update binutils references.
547         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
548         Update binutils reference.
549         Update Sun as/GNU ld caveat.
550         Document binutils largefile requirement for LTO plugin.
551         Remove reference to alternate libpthread.
552
553 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
554
555         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
556         reference.
557         (Specific, mips-sgi-irix6): Likewise.
558
559 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
560
561         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
562         * configure: Regenerate.
563
564 2012-03-07  Richard Henderson  <rth@redhat.com>
565
566         * config/m68k/m68k.h (ISA_HAS_TAS): New.
567         * config/m68k/sync.md (atomic_test_and_set): Use it.
568         (atomic_test_and_set_1): Likewise.
569
570 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
571
572         PR target/51417
573         * Makefile.in: Let install-gcc-ar depend on installdirs,
574         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
575         Don't double canonicalize if cross-compiling.
576
577 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
578
579         * trans-mem.c: New typedef for tm_region_p.
580         Define vector types for tm_region_p.
581         (tm_region_init): Replace region_worklist to a vector called
582         bb_regions.
583
584 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
585
586         PR middle-end/52463
587         * trans-mem.c (tm_region_init): Use last_basic_block.
588
589 2012-03-05  Richard Henderson  <rth@redhat.com>
590
591         PR tree-opt/52242
592         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
593         * omp-low.c (expand_omp_atomic): Assume anything aligned to
594         BIGGEST_ALIGNMENT is aligned.
595
596 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
597
598         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
599
600 2012-03-05  Richard Henderson  <rth@redhat.com>
601
602         PR target/52481
603         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
604         instead of calling negqi2 directly.
605
606 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
607
608         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
609         (INTMAX_TYPE): Use it.
610         (UINTMAX_TYPE): Likewise.
611         (SUBTARGET_OVERRIDE_OPTIONS): Define.
612         (irix6_c_common_override_options): Declare.
613         (C_COMMON_OVERRIDE_OPTIONS): Define.
614         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
615         * config/mips/irix6-c.c: New file.
616         * config/mips/t-irix6 (irix6-c.o): New target.
617         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
618         cxx_target_objs.
619
620 2012-03-02  Richard Henderson  <rth@redhat.com>
621
622         * optabs.c (expand_atomic_test_and_set): Honor
623         atomic_test_and_set_trueval even when atomic_test_and_set
624         optab is not in use.
625
626 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
627
628         Backport from mainline
629         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
630
631         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
632
633 2012-03-02  Richard Guenther  <rguenther@suse.de>
634
635         * DEV-PHASE: Set to prerelease.
636
637 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
638
639         * config.gcc (obsolete): Add all ARM targets using the FPA.
640         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
641         * doc/install.texi: Avoid references to obsolete ARM ports.
642
643 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
644
645         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
646
647 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
648             Joern Rennecke  <joern.rennecke@embecosm.com>
649
650         * doc/extend.texi: Expand and update information on interrupt
651         attribute for Epiphany.
652
653 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
654
655         * config/sh/sh-protos.h: Update copyright notice dates.
656         * config/sh/sh.h: Likewise.
657         * config/sh/sh.md: Likewise.
658         * config/sh/constraints.md: Likewise.
659         * config/sh/predicates.md: Likewise.
660
661 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
662
663         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
664         * config/sh/sh.c (tertiary_reload_operand): Likewise.
665
666 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
667
668         * config/sh/constraints.md: Fix comment typo.
669
670 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
671
672         PR target/52408
673         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
674         unsigned HOST_WIDE_INT.
675         (zvdep_imm64): Likewise.
676         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
677         (vdepi_and): Likewise.
678         Likewise for unamed 64-bit patterns.
679         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
680
681 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
682
683         PR debug/52001
684         PR rtl-optimization/52417
685         * cselib.c (cselib_any_perm_equivs): New variable.
686         (cselib_reset_table): Check that it's not set when not
687         preserving constants.
688         (cselib_add_permanent_equiv): Set it.
689         (cselib_have_permanent_equivalences): New.
690         (cselib_init, cselib_finish): Reset it.
691         * cselib.h (cselib_have_permanent_equivalences): Declare.
692         * alias.c (get_addr): Restore earlier behavior when there
693         aren't permanent equivalences.
694
695 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
696
697         * config/mn10300/mn10300-modes.def: Fix copyright notice.
698         * config/v850/v850-modes.def: Fix copyright notice.
699
700 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
701
702         * doc/extend.texi (AVR Built-in Functions): Document
703         __builtin_avr_flash_segment.
704
705         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
706         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
707         (*split.flash_segment): New insn-and-split.
708         * config/avr/avr.c (avr_init_builtins): Add local variables:
709         const_memx_void_node, const_memx_ptr_type_node,
710         char_ftype_const_memx_ptr.
711
712 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
713
714         PR tree-optimization/52445
715         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
716         add ssa_name_ver, offset and size fields and change store field
717         to bool.
718         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
719         (add_or_mark_expr): Likewise.  Only consider previous stores
720         with the same size and offset.
721         (nt_init_block): Only look at gimple_assign_single_p stmts,
722         doesn't look at rhs2.
723
724 2012-03-01  Richard Guenther  <rguenther@suse.de>
725
726         PR middle-end/52443
727         * tree-cfg.c (verify_gimple_assign_unary): Allow any
728         conversions from integral types to pointer types.
729
730 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
731
732         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
733         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
734         unintentionally removed in r184616.
735
736 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
737
738         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
739         3DNow from bdver1.
740
741 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
742             Uros Bizjak  <ubizjak@gmail.com>
743
744         PR target/52437
745         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
746         alternatives, add "e" constraint to the new last alternative
747         and ! to last 3 alternatives.
748
749 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
750
751         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
752         DW_AT_artificial attributes at the end of the processing.
753         (gen_array_type_die): Likewise.
754         (gen_enumeration_type_die): Likewise.
755         (gen_struct_or_union_type_die): Likewise.
756         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
757         the parent type.
758
759 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
760
761         PR middle-end/52419
762         * expr.c (expand_assignment): If doing misaligned store that doesn't
763         cover all mode bits, perform a RMW cycle.
764
765         PR tree-optimization/52429
766         * tree-parloops.c (separate_decls_in_region_debug): Return early
767         if var is LABEL_DECL.
768
769 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
770
771         PR tree-optimization/52424
772         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
773         calling dom_thread_across_edge.
774
775 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
776
777         * config/avr/avr.c: Move definition of TARGET macros to end of file.
778
779 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
780
781         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
782         * config/avr/avr.c (avr_output_bld): Remove unused function.
783         (avr_out_sbxx_branch): Use "%T" to print bit position.
784
785 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
786
787         * config/avr/avr.md: Untabify.
788
789 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
790
791         * config/avr/avr.md (eqne): New code iterator.
792         (*dec-and-branchsi): Use it in text peephole's condition.
793         (*dec-and-branchhi): Ditto.
794         (*dec-and-branchqi): Ditto.
795
796 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
797
798         PR target/49939
799         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
800         the device does not have the skip-bug.
801
802 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
803
804         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
805         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
806         -mpretend-cmove): New.
807
808 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
809
810         PR bootstrap/52397
811         * df.h (struct df_d): Adjust comment that hard_regs_live_count
812         doesn't count DEBUG_INSN refs.
813         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
814         for DEBUG_INSN refs.
815
816 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
817
818         Partially revert:
819
820         2012-02-20  Richard Guenther  <rguenther@suse.de>
821         PR tree-optimization/52298
822         * tree-vect-stmts.c (vectorizable_load): Properly use
823         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
824         outer loops.
825
826 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
827
828         PR middle-end/51752
829         * gimple.h (gimple_in_transaction): New.
830         (gimple_set_in_transaction): New.
831         (struct gimple_statement_base): Add in_transaction field.
832         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
833         transaction loads.
834         (tree_ssa_lim_initialize): Compute transaction bits.
835         * tree.h (compute_transaction_bits): Protoize.
836         * trans-mem.c (tm_region_init): Use the heap to store BB
837         auxilliary data.
838         (compute_transaction_bits): New.
839
840 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
841
842         * gcc.c (display_help): Document --help=common and sort entries
843         alphabetically.
844
845 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
846
847         * doc/install.texi: Document check-$LANG specific shortcuts
848
849 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
850
851         PR target/51534
852         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
853         and vcgtu.
854         * config/arm/arm_neon.h: Regenerate.
855         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
856         (neon_vcgeu): New insn.
857         (neon_vcgtu): Likewise.
858         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
859         (ops): Unsigned comparison intrinsics call a different
860         builtin.
861
862 2012-02-28  Richard Guenther  <rguenther@suse.de>
863
864         PR target/52407
865         * config/i386/i386.c (ix86_expand_vector_set): Fix element
866         ordering for the VEC_CONCAT for two element vectors for
867         V2SFmode, V2SImode and V2DImode.
868
869 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
870
871         PR target/49448
872         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
873         detecting big-endian triplets.
874
875 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
876
877         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
878         mode if there is no type information available.
879
880 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
881
882         PR tree-optimization/53207
883         * doc/invoke.texi: Document as experimental and relying on graphite.
884
885 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
886
887         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
888         of initializer to changes from r184614.
889
890 2012-02-28  Richard Guenther  <rguenther@suse.de>
891
892         PR tree-optimization/52395
893         * tree-sra.c (build_ref_for_offset): Also look at the base
894         TYPE_ALIGN when figuring out the alignment of the replacement.
895
896 2012-02-28  Richard Guenther  <rguenther@suse.de>
897
898         PR tree-optimization/52402
899         * ipa-prop.c (ipa_modify_call_arguments): Properly use
900         mis-aligned types when creating the accesses at the call site.
901
902 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
903
904         * config/avr/builtins.def: New file.
905         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
906         * config/avr/avr.c (enum avr_builtin_id): Use it.
907         (avr_init_builtins): Use it. And use avr_bdesc.
908         (bdesc_1arg): Remove.
909         (bdesc_2arg): Remove.
910         (bdesc_3arg): Remove.
911         (struct avr_builtin_description): Add field n_args.
912         (avr_bdesc): New static variable using builtins.def.
913         (avr_expand_builtin): Use it.
914         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
915         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
916         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
917
918 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
919
920         PR target/52148
921         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
922         match only one single hard register with respective hard reg rtx.
923         (movmemx_<mode>): Ditto.
924         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
925         insn anatomy of movmem[x]_<mode>.
926         (avr_out_movmem): Same for printing assembler and operand usage.
927
928 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
929
930         PR target/49868
931         PR target/52261
932         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
933         address spaces located outside of device flash.
934
935         * config/avr/avr.h (base_arch_s): Remove field n_segments.
936         (mcu_type_s): Add field n_flash.
937         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
938         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
939         (AVR_MCU): Add N_FLASH argument.
940         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
941         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
942         macro __FLASH<n> if that address space makes sense for the device.
943         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
944         outside of target flash.
945         (avr_asm_named_section): Ditto.
946         (avr_asm_select_section): Ditto.
947         (avr_addr_space_convert): Ditto.
948         (avr_emit_movmemhi): Ditto.
949         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
950         address space is outside of device flash.
951         (avr_insert_attributes): Ditto.
952         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
953         avr_current_arch->n_segments.
954
955 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
956
957         PR target/52352
958         * config/i386/i386.md (*movabs<mode>_1): Enable only for
959         TARGET_LP64.
960         (*movabs<mode>_2): Likewise.
961
962 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
963
964         PR target/52375
965         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
966         s_register_operand in the test instead of REG_P.  Don't call
967         gen_reg_rtx if it won't be used.
968
969         PR tree-optimization/52376
970         * ipa-split.c (split_function): Ignore CLOBBER stmts.
971
972 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
973
974         * ifcvt.c (noce_get_condition): Check condition variable is not
975         small_register_classes_for_mode_p before accepting.
976
977 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
978
979         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
980
981 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
982
983         Revert:
984         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
985         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
986         tuning parameters.
987         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
988
989 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
990
991         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
992
993 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
994
995         * config/sh/predicates.md: Remove blank lines.
996         * config/sh/sh.c: Fix typos in comments.
997         * config/sh/constraints.md: Likewise.
998         * config/sh/sh.md: Remove blank lines.
999         Fix typos in comments.  Use ;; as comment characters.
1000
1001 2012-02-26  Walter Lee  <walt@tilera.com>
1002
1003         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1004         (replace_mov_pcrel_step2): Ditto.
1005
1006 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1007
1008         PR debug/52001
1009         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1010         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1011         and locs that reference values newer than the non-canonical value
1012         at hand.  Return the canonical value as a worst case.
1013         (memrefs_conflict_p): Walk canonical value's locs.
1014
1015         PR debug/52001
1016         * cselib.c (preserve_only_constants): Rename to...
1017         (preserve_constants_and_equivs): ... this.  Split out...
1018         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1019         of other preserved expressions too.
1020         (cselib_reset_table): Adjust.
1021         * var-tracking.c (reverse_op): Use canonical value to build
1022         reverse operation.
1023
1024 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1025
1026         * config/i386/i386.c (ix86_delegitimize_address): Handle
1027         UNSPEC_PCREL plus displacement.
1028
1029 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1030
1031         PR target/52261
1032         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1033         to test for unusedness in st X addressing.
1034
1035 2012-02-24  Richard Guenther  <rguenther@suse.de>
1036
1037         PR middle-end/52361
1038         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1039         (is_gimple_reg_type): Move inline ...
1040         * gimple.h (is_gimple_reg_type): ... here.
1041
1042 2012-02-24  Richard Guenther  <rguenther@suse.de>
1043
1044         PR middle-end/52361
1045         * passes.c (execute_function_todo): When verifying SSA form
1046         verify gimple form first.
1047         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1048
1049 2012-02-24  Richard Guenther  <rguenther@suse.de>
1050
1051         PR middle-end/52355
1052         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1053         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1054
1055 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1056
1057         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1058
1059 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1060
1061         * tree-phinodes.c (make_phi_node): Mark static.
1062         * tree-flow.h (make_phi_node): Remove extern decl.
1063         * doc/gimple.texi (make_phi_node): Remove documentation.
1064
1065 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1066
1067         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1068         * tree-ssa-sccvn.c (print_scc): Ditto.
1069
1070 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1071
1072         * doc/passes.texi (Full redundancy elimination): Fix typo.
1073
1074 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1075
1076         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1077
1078 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1079
1080         PR bootstrap/52287
1081         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1082
1083 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1084
1085         PR c/52290
1086         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1087
1088 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1089
1090         * config/avr/avr.md (code_stdname): Add ior, xor.
1091         (xior): New code iterator.
1092         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1093         (*<code_stdname><mode>qi.byte1-3): Ditto.
1094
1095 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR tree-optimization/52019
1098         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1099         CLOBBER stmts.
1100
1101 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1102
1103         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1104         HAVE_INITFINI_ARRAY to work around namespace pollution in
1105         certain versions of newlib system headers.
1106         * config.in: Regenerate.
1107         * configure: Regenerate.
1108         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1109         instead of HAVE_INITFINI_ARRAY.
1110
1111 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1112
1113         PR target/52330
1114         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1115         is not offsettable memory reference.
1116
1117 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1118
1119         PR target/18145
1120         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1121         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1122
1123 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1124
1125         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1126         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1127
1128 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1129
1130         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1131         library on Solaris 8 even without TLS support.
1132         * configure: Regenerate.
1133
1134 2012-02-22  Richard Guenther  <rguenther@suse.de>
1135
1136         PR middle-end/52329
1137         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1138         for GIMPLE_DEBUG stmts.
1139
1140 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1141
1142         PR middle-end/51782
1143         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1144         according to the base object.
1145
1146 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1147
1148         PR rtl-optimization/50063
1149         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1150         and 2 (8-bit SP) in operand 2.
1151         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1152         setup to use movhi_sp_r instead of vanilla move to write SP.
1153         Adjust REG_CFA notes to superseed unspec.
1154         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1155         of vanilla move.
1156         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1157         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1158         irq_state 1 (IRQ known to be on) here.
1159
1160 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1161
1162         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1163         WORDS_BIG_ENDIAN.
1164         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1165         assign_hard_reg): Likewise.
1166
1167 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1168
1169         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1170
1171 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1172
1173         * config/avr/avr.md
1174         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1175         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1176
1177 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1178
1179         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1180         prototype from here to...
1181         * config/avr/avr.h: ...here.
1182
1183 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1184
1185         PR target/52294
1186         * thumb2.md (thumb2_shiftsi3_short): Split register and
1187         immediate shifts.  For register shifts tie operands 0 and 1.
1188         (peephole2 for above): Check that register-controlled shifts
1189         have suitably tied operands.
1190
1191 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1192
1193         PR target/52137
1194         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1195         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1196         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1197         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1198         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1199         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1200         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1201         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1202         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1203         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1204         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1205         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1206         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1207         bdver1_ssevector_avx256_unaligned_load,
1208         bdver1_ssevector_sse128_unaligned_load,
1209         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1210         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1211         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1212         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1213         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1214         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1215         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1216         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1217         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1218         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1219         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1220         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1221         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1222         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1223         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1224         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1225         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1226         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1227         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1228         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1229         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1230         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1231         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1232         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1233         bdver1_ssediv_double_load, bdver1_ssediv_double,
1234         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1235         Add "bdver2" attribute.
1236
1237 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1238
1239         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1240         default if possible and not specified otherwise.
1241
1242 2012-02-21  Richard Guenther  <rguenther@suse.de>
1243
1244         PR middle-end/52314
1245         * gimplify.c (create_tmp_from_val): Use the main variant type
1246         for the type of the temporary we create.
1247
1248 2012-02-21  Richard Guenther  <rguenther@suse.de>
1249
1250         PR tree-optimization/52324
1251         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1252         do not gimplify a MEM_REF address operand if it is already
1253         in suitable form.
1254
1255 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1256
1257         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1258         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1259
1260 2012-02-21  Richard Guenther  <rguenther@suse.de>
1261
1262         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1263         nested_in_vect_loop.
1264
1265 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1266
1267         PR tree-optimization/52318
1268         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1269         vdef also to non-pure/const call stmts in the sequence.
1270
1271 2012-02-20  David S. Miller  <davem@davemloft.net>
1272
1273         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1274         don't use the "rd %pc" instruction on v9 for PIC register loads.
1275
1276 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1277
1278         PR middle-end/52141
1279         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1280         in a transaction safe function.
1281
1282 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1283
1284         PR target/52238
1285         * stor-layout.c (place_field): Handle desired_align for
1286         ms-bitfields, too.
1287
1288 2012-02-20  Richard Guenther  <rguenther@suse.de>
1289
1290         PR tree-optimization/52298
1291         * tree-vect-stmts.c (vectorizable_store): Properly use
1292         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1293         outer loops.
1294         (vectorizable_load): Likewise.
1295         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1296         Access DR_STEP after ensuring it is not NULL.
1297
1298 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1299
1300         PR tree-optimization/52286
1301         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1302         optimization use double_int_to_tree instead of build_int_cst_wide,
1303         rewrite to use double_int vars.
1304
1305 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1306
1307         PR target/50166
1308         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1309         Define _start.
1310         Remove -e 0 from $gcc_cv_ld invocation.
1311         Only use __GLIBC_PREREQ if defined.
1312         Enable on Solaris since Solaris 8 patch.
1313         (gcc_SUN_LD_VERSION): New macro.
1314         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1315         gcc_SUN_LD_VERSION for version number format.
1316         * configure: Regenerate.
1317         * varasm.c (get_elf_initfini_array_priority_section): Set
1318         SECTION_NOTYPE for non-default priority.
1319         Use get_section instead of get_unnamed_section to emit
1320         .init_array/.fini_array with default priority.
1321
1322 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1323
1324         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1325         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1326         (mips_start_unique_function, mips_output_mips16_rdhwr)
1327         (mips_code_end): New functions.
1328         (TARGET_ASM_CODE_END): Define.
1329
1330 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1331
1332         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1333         to stubs with non-sibling calls.
1334
1335 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1336
1337         * doc/invoke.texi (-fira-* options): Copy-edit.
1338         (ira-* parameters): Copy-edit.
1339
1340 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1341
1342         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1343         GCC coding conventions.
1344
1345 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1346
1347         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1348         when used as adjectives.
1349
1350 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1351
1352         * doc/invoke.texi: Clean up "that"/"which" confusion.
1353
1354 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1355
1356         * system.h: Poison SMALL_REGISTER_CLASSES
1357         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1358         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1359
1360 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1361
1362         PR tree-optimization/52285
1363         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1364         when deciding if a call is a tail call or tail recursion.
1365
1366 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1367
1368         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1369         interger-constant displacement for UNSPEC_PCREL.
1370
1371 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1372
1373         PR rtl-optimization/52208
1374         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1375         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1376
1377         PR tree-optimization/52255
1378         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1379         loop->header has virtual PHI, but exit_e->dest doesn't, add
1380         virtual PHI to exit_e->dest and adjust all uses after the loop.
1381
1382         PR debug/52260
1383         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1384         children with clone_tree_hash, not after it.
1385
1386 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1387
1388         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1389         extended identifiers.
1390
1391 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1392
1393         PR middle-end/51929
1394         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1395         a same_body_alias, also test whether e->callee isn't a former
1396         or current clone of the decl this is a same body alias of.
1397
1398         PR translation/52264
1399         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1400
1401 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1402
1403         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1404
1405 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1406
1407         PR target/52199
1408         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1409         force_reg instead of copy_to_reg for better optimization.  Force
1410         non-register or memory operands into a register.
1411
1412 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1413
1414         * extend.texi: Reserve upper bits of memory model for future use.
1415
1416 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1417             Anatoly Sokolov <aesok@post.ru>
1418             Eric Weddington <eric.weddington@atmel.com>
1419
1420         PR target/52261
1421         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1422         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1423         Rewrite initializers for .macro.
1424         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1425         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1426         atxmega32d4, atxmega32x1.
1427         avrxmega4: atxmega64a3, atxmega64d3.
1428         avrxmega5: atxmega64a1, atxmega64a1u.
1429         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1430         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1431         avrxmega7: atxmega128a1, atxmega128a1u.
1432         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1433         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1434         (struct base_arch_s): Rename reserved to xmega_p.
1435         Rename reserved2 to have_rampd.
1436         (AVR_XMEGA): New define.
1437         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1438         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1439         * config/avr/predicates.md (io_address_operand): Take into
1440         account SFR offset.
1441         (low_io_address_operand): Ditto.
1442         (high_io_address_operand): Ditto.
1443         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1444         (enabled, movhi_sp_r): Use them.
1445         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1446         cpp_define_formatted to built-in define __AVR_ARCH__.
1447         (__AVR_XMEGA__): New built-in define.
1448         (__AVR_HAVE_RAMPD__): New built-in define.
1449         (__AVR_HAVE_RAMPX__): New built-in define.
1450         (__AVR_HAVE_RAMPY__): New built-in define.
1451         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1452
1453         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1454         (avr_option_override): Initialize them.
1455         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1456         (avr_init_expanders): Initialize them. No more block several calls.
1457         (emit_push_sfr): New static function.
1458         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1459         Handle AVR_XMEGA.
1460         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1461         (avr_print_operand): Print addreeses as symbols for
1462         RAMPX, RAMPY, RAMPD, CCP.
1463         (output_movhi): Handle AVR_XMEGA when writing to SP.
1464         (avr_out_movhi_mr_r_xmega): New static function.
1465         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1466         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1467         __RAMPD__,  __CCP__ as needed.
1468
1469         * config/avr/multilib.h: Regenerate.
1470         * config/avr/t-multilib: Regenerate.
1471         * config/avr/avr-tables.opt: Regenerate.
1472
1473 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1474
1475         PR tree-optimization/50561
1476         * graphite-flattening.c (lst_project_loop): Do not
1477         remove old scattering dimensions after flattening.
1478         (lst_do_flatten): Likewise.
1479
1480 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1481
1482         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1483         __builtin_avr_map8, __builtin_avr_map16.
1484         Document __builtin_avr_insert_bits.
1485
1486         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1487         (insert_bits): New insn.
1488         (adjust_len.map_bits): Rename to insert_bits.
1489         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1490         * avr-protos.h (avr_out_map_bits): Remove.
1491         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1492         * config/avr/constraints.md (Cxf,C0f): New.
1493         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1494         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1495         New built-in define __BUILTIN_AVR_INSERT_BITS.
1496         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1497         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1498         (avr_move_bits): Rewrite.
1499         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1500         functions.
1501         (avr_map_op_t): New typedef.
1502         (avr_map_op): New static variable.
1503         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1504         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1505         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1506         (bdesc_3arg, avr_expand_triop_builtin): New.
1507         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1508         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1509         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1510         (avr_map_equal_p, avr_map_sig_p): Remove.
1511         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1512         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1513         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1514         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1515         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1516         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1517
1518 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1519
1520         * config/c6x/c6x.md (reserve_cycles): New attribute.
1521         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1522         don't reserve functional units after the branch occurs.
1523
1524 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1525
1526         PR middle-end/52142
1527         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1528         functions into non-tm_pure functions.
1529
1530 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1531
1532         PR lto/52178
1533         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1534         (iterative_hash_canonical_type): Likewise.
1535         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1536         the dead edges.
1537
1538 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1539
1540         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1541         sched-group insn, it either remains alone or the entire list is pruned.
1542
1543 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1544
1545         * doc/install.texi (Prerequisites): Fix grammar.
1546         (Configuration): Likewise.
1547
1548 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1549
1550         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1551         MPC as part of GCC before describing configuring with --with-gmp etc.
1552         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1553         sources are present.
1554
1555 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1556
1557         PR debug/51950
1558         * dwarf2out.c (clone_tree_hash): New function.
1559         (copy_decls_walk): Use it instead of clone_tree.
1560
1561 2012-02-14  Richard Guenther  <rguenther@suse.de>
1562
1563         PR tree-optimization/52244
1564         PR tree-optimization/51528
1565         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1566         replacements for integral types.
1567
1568 2012-02-14  Walter Lee  <walt@tilera.com>
1569
1570         * config.gcc: Handle tilegx and tilepro.
1571         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1572         tilegx and tilepro.
1573         Add HAVE_AS_TLS check for tilegx and tilepro.
1574         * configure: Regenerate.
1575         * doc/contrib.texi: Add Mat Hostetter and self.
1576         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1577         Document instruction intrinsics and network accessing intrinsics.
1578         (TILEPro Built-in Functions): New node.  Document instruction
1579         intrinsics and network accessing intrinsics.
1580         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1581         (Specific, tilepro-*-linux*): Likewise.
1582         * doc/invoke.texi (TILE-Gx Options): New section.
1583         (TILEPro Options): New section.
1584         * doc/md.texi (TILE-Gx): New section.
1585         (TILEPro): New section.
1586         * common/config/tilegx/tilegx-common.c: New file.
1587         * common/config/tilepro/tilepro-common.c: New file.
1588         * config/tilegx/constraints.md: New file.
1589         * config/tilegx/linux.h: New file.
1590         * config/tilegx/mul-tables.c: New file.
1591         * config/tilegx/predicates.md: New file.
1592         * config/tilegx/sync.md: New file.
1593         * config/tilegx/t-tilegx: New file.
1594         * config/tilegx/tilegx-builtins.h: New file.
1595         * config/tilegx/tilegx-c.c: New file.
1596         * config/tilegx/tilegx-generic.md: New file.
1597         * config/tilegx/tilegx-modes.def: New file.
1598         * config/tilegx/tilegx-multiply.h: New file.
1599         * config/tilegx/tilegx-protos.h: New file.
1600         * config/tilegx/tilegx.c: New file.
1601         * config/tilegx/tilegx.h: New file.
1602         * config/tilegx/tilegx.md: New file.
1603         * config/tilegx/tilegx.opt: New file.
1604         * config/tilepro/constraints.md: New file.
1605         * config/tilepro/gen-mul-tables.cc: New file.
1606         * config/tilepro/linux.h: New file.
1607         * config/tilepro/mul-tables.c: New file.
1608         * config/tilepro/predicates.md: New file.
1609         * config/tilepro/t-tilepro: New file.
1610         * config/tilepro/tilepro-builtins.h: New file.
1611         * config/tilepro/tilepro-c.c: New file.
1612         * config/tilepro/tilepro-generic.md: New file.
1613         * config/tilepro/tilepro-modes.def: New file.
1614         * config/tilepro/tilepro-multiply.h: New file.
1615         * config/tilepro/tilepro-protos.h: New file.
1616         * config/tilepro/tilepro.c: New file.
1617         * config/tilepro/tilepro.h: New file.
1618         * config/tilepro/tilepro.md: New file.
1619         * config/tilepro/tilepro.opt: New file.
1620
1621 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1622
1623         PR tree-optimization/52210
1624         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1625         vect_model_simple_cost with two entry vect_def_type array instead
1626         of an address of dt.
1627
1628 2012-02-14  Richard Guenther  <rguenther@suse.de>
1629
1630         PR lto/52178
1631         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1632         Do not stream DECL_QUALIFIER.
1633         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1634         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1635         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1636
1637 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1638
1639         PR c/52181
1640         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1641         newdecl.
1642
1643 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1644
1645         PR bootstrap/52172
1646         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1647         * cselib.c (cselib_subst_to_values_from_insn): New function.
1648         * sched-deps.c (add_insn_mem_dependence,
1649         sched_analyze_1, sched_analyze_2): Use it.
1650
1651 2012-02-13  Jan Hubicka  <jh@suse.cz>
1652
1653         PR middle-end/52214
1654         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1655
1656 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1657
1658         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1659         (GTM_SELF_SPECS): Define if not already defined.
1660         (driver_self_specs): Add GTM_SELF_SPECS.
1661         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1662         (GTM_SELF_SPECS): Define.
1663         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1664         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1665
1666 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1667
1668         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1669         away if seen.
1670
1671         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1672
1673         PR middle-end/52230
1674         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1675         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1676
1677 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1678
1679         PR c/52190
1680         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1681
1682 2012-02-13  Richard Guenther  <rguenther@suse.de>
1683
1684         PR translation/52211
1685         * passes.c (enable_disable_pass): Fix typo.
1686
1687 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1688
1689         PR middle-end/52209
1690         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1691         XOR for reduce_bit_field if type is unsigned.
1692
1693 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1694
1695         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1696         disallow changes from SFmode to mode with different size in FP regs.
1697
1698 2012-02-12  Robert Millan  <rmh@gnu.org>
1699             Gerald Pfeifer <gerald@pfeifer.com>
1700
1701         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1702         Tweak comment.
1703
1704 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1705
1706         PR rtl-optimization/52175
1707         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1708         to frame-related instructions.
1709
1710 2012-02-10  Jason Merrill  <jason@redhat.com>
1711
1712         PR c++/51910
1713         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1714         (demangle_new_symbols): Fill it.
1715         (scan_linker_output): Walk it.
1716         (start_tweaking): Split out from scan_linker_output.
1717         (maybe_tweak): Update sym->chosen.
1718         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1719
1720 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1721
1722         PR debug/52132
1723         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1724
1725 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1726
1727         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1728         having the same mode as previous compare.
1729
1730 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1731
1732         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1733         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1734         (nonlocal_goto_internal): Likewise.
1735         (nonlocal_goto): Emit a use and an indirect jump directly.
1736
1737 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1738
1739         PR c/52190
1740         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1741         __atomic_{is,always}_lock_free.
1742
1743 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1744
1745         PR target/52146
1746         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1747         negative constant address for x32.
1748
1749 2012-02-10  Richard Henderson  <rth@redhat.com>
1750
1751         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1752         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1753         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1754
1755 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1756             Ira Rosen  <irar@il.ibm.com>
1757
1758         PR tree-optimization/50031
1759         * targhooks.c (default_builtin_vectorization_cost): Handle
1760         vec_promote_demote.
1761         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1762         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1763         all types of reduction and pattern statements.
1764         (vect_estimate_min_profitable_iters): Likewise.
1765         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1766         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1767         for explicit realigns.
1768         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1769         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1770         vec_promote_demote.
1771         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1772         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1773         vec_perm for VSX and handle vec_promote_demote.
1774
1775 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1776
1777         PR middle-end/52177
1778         * builtins.c (fold_builtin_atomic_always_lock_free,
1779         expand_builtin_atomic_always_lock_free,
1780         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1781         Return and/or test boolean_true_node/boolean_false_node instead of
1782         integer_one_node/integer_zero_node.
1783
1784 2012-02-10  Jan Hubicka  <jh@suse.cz>
1785
1786         PR middle-end/48600
1787         * predict.c (predict_paths_for_bb): Prevent looping.
1788         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1789
1790 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1791
1792         * config/arm/arm.c (output_move_double): In one case properly
1793         count number of instructions that will be emitted.
1794
1795 2012-02-10  Richard Guenther  <rguenther@suse.de>
1796
1797         PR translation/52193
1798         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1799
1800 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1801
1802         PR middle-end/52140
1803         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1804
1805 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1806
1807         PR debug/52165
1808         * var-tracking.c (emit_note_insn_var_location): If
1809         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1810         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1811         non-NOTE_DURING_CALL_P insn.
1812
1813 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1814
1815         PR middle-end/51867
1816         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1817
1818 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1819
1820         PR driver/48524
1821         * gcc.c (switch_matches) Support switches with separated form,
1822         -D and -U.
1823
1824 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1825
1826         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1827         (SP_ADDR): Ditto.
1828         (RAMPZ_ADDR): Ditto.
1829         * config/avr/avr.c (avr_addr_t): New typedef.
1830         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1831         (avr_init_expanders): Initialize it.
1832         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1833         SREG_ADDR.
1834         (expand_epilogue): Ditto.
1835         (avr_print_operand): Ditto.
1836         (avr_file_start): Ditto.
1837         (avr_emit_movmemhi): Ditto.
1838
1839 2012-02-08  Richard Guenther  <rguenther@suse.de>
1840
1841         PR tree-optimization/46886
1842         * tree-flow.h (do_while_loop_p): Declare.
1843         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1844         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1845
1846 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1847
1848         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1849         always succeed for integers larger than a native word.
1850
1851 2012-02-08  Richard Guenther  <rguenther@suse.de>
1852
1853         PR rtl-optimization/52170
1854         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1855         properly handle integer vector modes.
1856
1857 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1858
1859         PR gcov-profile/52150
1860         * coverage.c: Include target.h.
1861         (build_var): Call targetm.strip_name_encoding on the assembler name.
1862         Change one _ into . or $ if the target allows it.
1863         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1864
1865         PR rtl-optimization/52139
1866         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1867         is a BARRIER after emit_insn_after_noloc, move BB_END
1868         to the last non-BARRIER insn before it.
1869
1870 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1871
1872         PR middle-end/24306
1873         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1874         (mips_gimplify_va_arg_expr): Call it instead of
1875         std_gimplify_va_arg_expr.
1876
1877 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1878
1879         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1880         message for -mno-pointers-to-nested-function.
1881
1882 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1883
1884         PR middle-end/51994
1885         * expr.c (get_inner_reference): If there is an offset, add a negative
1886         bit position to it (if any).
1887
1888 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR rtl-optimization/52060
1891         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1892         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1893         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1894         and/or i0src_copy2 when needed.
1895
1896 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1897
1898         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1899         or LTOPLUGINSONAME if have_c.
1900
1901         * config/freebsd-spec.h: Add comment about what macros can be defined
1902         in this header.
1903         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1904         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1905         here instead.
1906
1907 2012-02-07  Richard Guenther  <rguenther@suse.de>
1908
1909         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1910         newline in -alias dumps.
1911
1912 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1913             Dave Korn  <dave.korn.cygwin@gmail.com>
1914
1915         PR target/40068
1916         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1917         Take care that typinfo gets dllexport-attribute.
1918
1919 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1920
1921         PR middle-end/52074
1922         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1923         if modifier < EXPAND_SUM call force_operand on the result.
1924
1925 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1926
1927         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1928         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1929         present.
1930         (epiphany_function_type): Replace types for specific interrupts with
1931         EPIPHANY_FUNCTION_INTERRUPT.
1932         (EPIPHANY_INTERRUPT_P): Update.
1933         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1934         New static function.
1935         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1936         <disinterrupt>: Affects type identity.
1937         (epiphany_handle_interrupt_attribute): Handle variable number of
1938         arguments.
1939         (epiphany_compute_function_type): Update for new
1940         epiphany_function_type definition.
1941         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1942         handlers with a longcall forwarder.
1943         (epiphany_start_function): Handle multiple interrupt arguments and/or
1944         forwarder_section attribute.
1945
1946         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1947         libgloss.
1948
1949 2012-02-07  Alan Modra  <amodra@gmail.com>
1950
1951         PR target/52107
1952         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1953         subregs of TFmode.
1954
1955 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1956
1957         PR tree-optimization/50969
1958         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1959         use vec_perm rather than vector_stmt.
1960         (vect_model_load_cost): Likewise.
1961         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1962         vec_perm to be the same as other vector statements.
1963         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1964         cost of vec_perm for TARGET_VSX.
1965
1966 2012-02-06  Richard Guenther  <rguenther@suse.de>
1967
1968         PR tree-optimization/52115
1969         * tree-sra.c (access_has_replacements_p): New function.
1970         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1971
1972 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1973
1974         PR middle-end/52047
1975         * trans-mem.c (expand_call_tm): Add an assertion.
1976         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1977         functions.
1978
1979 2012-02-06  Richard Guenther  <rguenther@suse.de>
1980
1981         PR tree-optimization/50955
1982         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1983         raise cost of expressions that replace an address with an
1984         expression based on a different pointer.
1985
1986 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1987
1988         PR target/52129
1989         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1990         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1991
1992 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1993
1994         PR c++/48680
1995         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1996         -Weffc++ and specify guidelines come from second edition.
1997
1998 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1999
2000         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2001         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2002         (call_direct_split, call_value_split, call_value_internal_direct)
2003         (call_value_direct_split, call_value_multiple_split): Use jal and
2004         jal_macro attributes.
2005
2006 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2007
2008         * reload1.c (reload_regs_reach_end_p): Replace with...
2009         (reload_reg_rtx_reaches_end_p): ...this function.
2010         (new_spill_reg_store): Update commentary.
2011         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2012         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2013         before setting new_spill_reg_store.
2014         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2015         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2016         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2017         for non-spill reload registers.
2018
2019 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2020
2021         PR tree-optimization/52091
2022         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2023         (vect_is_simple_use_1): Likewise.
2024         * tree-vect-loop.c (vectorizable_reduction): Update calls
2025         to vect_is_simple_use_1 and vect_is_simple_use.
2026         (vectorizable_live_operation): Likewise.
2027         * tree-vect-patterns.c (widened_name_p,
2028         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2029         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2030         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2031         vectorizable_shift,vectorizable_operation, vectorizable_store,
2032         vectorizable_load): Likewise.
2033         (vect_is_simple_cond): Add an argument, pass it to
2034         vect_is_simple_use_1.
2035         (vectorizable_condition): Update calls to vect_is_simple_cond,
2036         vect_is_simple_use.
2037         (vect_is_simple_use): Add an argument, the statement in which
2038         OPERAND is used.  Check that if OPERAND's def stmt is a double
2039         reduction phi node, the use is a phi node too.
2040         (vect_is_simple_use_1): Add an argument, pass it to
2041         vect_is_simple_use.
2042         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2043         to vect_is_simple_use.
2044
2045 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2046
2047         PR rtl-optimization/52095
2048         * modulo-sched.c (dump_insn_locator): New function.
2049         (loop_canon_p, sms_schedule): Use it.
2050
2051         PR rtl-optimization/52113
2052         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2053         even for decomposable shift/zext insns.
2054
2055 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2056             Zdenek Dvorak  <ook@ucw.cz>
2057
2058         PR rtl-optimization/52092
2059         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2060         on get_iv_value result.
2061
2062 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2063
2064         PR middle-end/47982
2065         PR middle-end/43967
2066         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2067
2068 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2069
2070         PR middle-end/48071
2071         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2072
2073 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2074
2075         PR rtl-optimization/49800
2076         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2077         (sched_finish): Call regstat_free_n_sets_and_refs.
2078
2079 2012-02-02  Jia Liu  <proljc@gmail.com>
2080
2081         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2082         than operand 2.
2083
2084 2012-02-02  Jan Hubicka  <jh@suse.cz>
2085             Tom de Vries  <tom@codesourcery.com>
2086
2087         PR middle-end/51998
2088         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2089         * varpool.c (varpool_analyze_pending_decls): Likewise.
2090
2091 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2092             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2093
2094         * config.gcc: Add cr16-* support.
2095
2096         * doc/extend.texi: Document cr16 extensions.
2097         * doc/install.texi: Document cr16 install.
2098         * doc/invoke.texi: Document cr16 options.
2099         * doc/md.texi: Document cr16 constraints.
2100
2101         * common/config/cr16/cr16-common.c: New file.
2102         * config/cr16/cr16.c: New file.
2103         * config/cr16/cr16.h: New file.
2104         * config/cr16/cr16.md: New file.
2105         * config/cr16/cr16.opt: New file.
2106         * config/cr16/cr16-protos.h: New file.
2107         * config/cr16/predicates.md: New file.
2108         * config/cr16/constraints.md: New file.
2109         * config/cr16/t-cr16: New file.
2110
2111 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2112
2113         PR target/52086
2114         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2115         that operands[2] is either immediate, or q_regs_operand.
2116
2117         PR tree-optimization/52073
2118         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2119         a pattern stmt for pattern uses, ignore uses outside of the loop.
2120
2121 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2122
2123         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2124         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2125         (OUT_AS1, OUT_AS2): Remove.
2126
2127 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2128
2129         PR rtl-optimization/51374
2130         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2131         to cross other volatile_refs_p insns.
2132
2133 2012-02-01  Richard Guenther  <rguenther@suse.de>
2134
2135         * doc/invoke.texi (fno-inline): Clarify documentation.
2136         (finline-small-functions): Likewise.
2137         (finline-functions): Likewise.
2138         * common.opt (finline): Adjust comment and documentation.
2139         (finline-small-functions): Clarify documentation.
2140         (finline-functions): Likewise.
2141         (finline-functions-called-once): Likewise.
2142
2143 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2144
2145         * c-typeck.c (composite_type): Keep mode for pointers.
2146
2147 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2148
2149         * function.h (regno_reg_rtx): Adjust comment.
2150         * reginfo.c (init_reg_modes_target): Only use the previous mode
2151         if it fits within one register.  Remove MIPS comment.
2152
2153 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2154
2155         PR bootstrap/52058
2156         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2157
2158 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2159
2160         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2161         to srak instruction.
2162
2163 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2164
2165         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2166
2167 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2168
2169         PR bootstrap/52041
2170         PR bootstrap/52039
2171         PR target/51974
2172         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2173
2174 2012-01-31  Richard Guenther  <rguenther@suse.de>
2175
2176         PR tree-optimization/51528
2177         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2178         assigns.
2179
2180 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2181
2182         PR bootstrap/52041
2183         PR bootstrap/52039
2184         PR target/51974
2185         * ree.c (add_removable_extension): Change def_map argument
2186         to unsigned *, store in def_map 1 + offset into *insn_list vector
2187         instead of pointers into the vector.
2188         (find_removable_extensions): Adjust caller.
2189
2190 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2191
2192         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2193         Transform all "* quoted-c-code" to { c-code }.
2194         Remove redundant test for "optimize" in combine patterns.
2195         Move (include "avr-dimode.md") to end of file.
2196
2197 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2198
2199         PR target/51835
2200         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2201         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2202
2203 2012-01-30  Richard Guenther  <rguenther@suse.de>
2204
2205         PR tree-optimization/52028
2206         * tree-loop-distribution.c (ldist_gen): Properly update
2207         virtual SSA form.
2208
2209 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2210
2211         PR debug/52027
2212         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2213         set_cur_line_info_table if not emitting debug info.
2214
2215         PR tree-optimization/52046
2216         * tree-vect-patterns.c (check_bool_pattern): Give up if
2217         a comparison could throw.
2218
2219         PR debug/52048
2220         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2221
2222 2012-01-30  Richard Guenther  <rguenther@suse.de>
2223
2224         PR tree-optimization/52045
2225         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2226         SSA form if cfgcleanup did anything.
2227
2228 2012-01-30  Richard Guenther  <rguenther@suse.de>
2229
2230         PR tree-optimization/52045
2231         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2232         before computing final todo.
2233
2234 2012-01-30  Richard Guenther  <rguenther@suse.de>
2235
2236         PR tree-optimization/51528
2237         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2238         for PR51528 fix.
2239
2240 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2241
2242         * df-problems.c (df_kill_notes): Check that the use refers
2243         to the note under examination.
2244
2245 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2246
2247         PR target/51920
2248         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2249         parameter and use short-lived pseudos.
2250         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2251         (sparc_expand_vector_init): Const-ify local variables and adjust
2252         calls to above functions.
2253
2254 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2255
2256         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2257
2258 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2259
2260         * doc/invoke.texi: Make usage of "compile time" and
2261         "run time"/"runtime" consistent throughout the file.
2262
2263 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2264
2265         * config/alpha/alpha.c (alpha_option_override): Default to
2266         full IEEE compliance mode for Go language.
2267
2268 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2269
2270         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2271         (LINK_SSP_SPEC): Define.
2272
2273 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2274
2275         PR target/51871
2276         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2277         stubs.
2278
2279 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2280
2281         * doc/invoke.texi: Correct hyphenation of "floating point",
2282         "double precision", and related terminology throughout the file.
2283
2284 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2285
2286         PR target/52006
2287         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2288         arm_general_register_operand predicate for operand 2 instead of
2289         register_operand.
2290
2291 2012-01-27  Ian Lance Taylor  <iant@google.com>
2292
2293         PR go/47656
2294         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2295         * builtins.c (expand_builtin_init_trampoline): Add onstack
2296         parameter.  Change caller.
2297         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2298         * tree.c (build_common_builtin_nodes): Declare
2299         __builtin_init_heap_trampoline.
2300
2301 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2302
2303         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2304         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2305         * config/avr/avr.c: Ditto.
2306         (avr_regnames): Remove because unused.
2307         * config/avr/avr.md (*cpse.ne): New peephole.
2308         (*cpse.eq): New peephole from former cpse peepholes.
2309
2310 2012-01-27  Michael Eager  <eager@eagercon.com>
2311
2312         * config/microblaze.c (microblaze_emit_compare): Correct
2313         test after pcmp instruction.
2314
2315 2012-01-27  Richard Guenther  <rguenther@suse.de>
2316
2317         PR tree-optimization/52020
2318         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2319
2320 2012-01-27  Richard Guenther  <rguenther@suse.de>
2321
2322         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2323         function non-const/pure.
2324
2325 2012-01-27  Richard Guenther  <rguenther@suse.de>
2326
2327         PR tree-optimization/50444
2328         * tree-sra.c (build_ref_for_offset): Properly adjust the
2329         MEM_REF type for unaligned accesses.
2330
2331 2012-01-27  Richard Guenther  <rguenther@suse.de>
2332
2333         PR tree-optimization/50444
2334         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2335         (expand_assignment): Use it.  Properly handle misaligned
2336         bases when expanding stores to component references.
2337         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2338         refactor that case.
2339
2340 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2341
2342         PR middle-end/51389
2343         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2344         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2345         * tree-data-ref.c (find_data_references_in_loop): Make static.
2346         (compute_all_dependences): Change return type to bool.  Bail out
2347         for too many datarefs in a loop.  Move the hunk resetting the data
2348         dependences vector from ...
2349         (compute_data_dependences_for_loop): ... here.  Account for
2350         compute_all_dependences returning false.
2351         (compute_data_dependences_for_bb): Likewise.
2352         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2353         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2354
2355 2012-01-27  Richard Guenther  <rguenther@suse.de>
2356
2357         PR middle-end/51959
2358         * expr.c (store_field): Use the alias-set of the scratch memory
2359         for storing to it.
2360
2361 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2362
2363         PR tree-optimization/51990
2364         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2365         WITH_SIZE_EXPR.
2366         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2367
2368 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2369
2370         PR debug/52001
2371         * var-tracking.c (reverse_op): Don't add any reverse operation
2372         if V already has any constant locations.
2373
2374 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2375
2376         * doc/invoke.texi: Correct usage of "command line" (noun)
2377         vs "command-line" (adjective) throughout.
2378
2379 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2380
2381         * doc/invoke.texi (Language Independent Options): Move
2382         -Wcoverage-mismatch blurb from here....
2383         (Warning Options): ...to here.
2384
2385 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2386
2387         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2388         Set rs6000_always_hint to false for 476.
2389
2390 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2391
2392         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2393           system root.
2394         * incpath.c (add_standard_paths): Likewise.
2395
2396 2012-01-27  Richard Henderson  <rth@redhat.com>
2397
2398         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2399         * config/m68k/sync.md (atomic_test_and_set): Rename from
2400         sync_test_and_setqi and adjust the operands.
2401         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2402         and unconditionally enable.
2403
2404 2012-01-27  Richard Henderson  <rth@redhat.com>
2405
2406         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2407         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2408         (ldstub): Rename from ldstubqi.
2409         (ldstub<I24MODE>): Remove.
2410
2411 2012-01-27  Richard Henderson  <rth@redhat.com>
2412
2413         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2414         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2415         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2416         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2417         * doc/tm.texi: Rebuild.
2418
2419 2012-01-27  Richard Henderson  <rth@redhat.com>
2420
2421         * optabs.c (gen_atomic_test_and_set): Remove default.
2422         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2423
2424 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2425
2426         PR rtl-optimization/51978
2427         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2428         (combine_reaching_defs): Likewise.
2429         (struct re_info): Remove.
2430         (add_removable_extension): Remove x and data arguments,
2431         add insn, insn_list and def_map.  Use the arguments directly
2432         instead of using struct re_info.
2433         (find_removable_extensions): Don't call add_removable_extension
2434         through note_stores, instead just call it with single_set
2435         result if non-NULL.
2436         (find_and_remove_re): Pass curr_cand->expr instead of
2437         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2438
2439 2012-01-26  Michael Matz  <matz@suse.de>
2440
2441         PR tree-optimization/46590
2442         * cfgexpand.c: Revert last change (r183305).
2443         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2444         regs.
2445         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2446         checking for emptiness.
2447
2448 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2449
2450         PR middle-end/51895
2451         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2452         non-addressable non-BLKmode base correctly.
2453
2454 2012-01-26  Michael Matz  <matz@suse.de>
2455
2456         PR tree-optimization/48794
2457         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2458         regions referenced from RESX/EH_DISPATCH.
2459
2460 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2461
2462         * config/s390/s390.h: Make BRANCH_COST an option.
2463         * config/s390/s390.opt: New option -mbranch-cost.
2464
2465 2012-01-26  Richard Henderson  <rth@redhat.com>
2466
2467         Revert 2012-01-24 change:
2468         * trans-mem.c (requires_barrier): Do not instrument thread local
2469         variables and emit save/restore for them.
2470
2471 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2472
2473         PR middle-end/51986
2474         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2475         for pat == 0.
2476
2477 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2478
2479         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2480         ASM_OPERANDS.
2481
2482 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2483
2484         PR target/49868
2485         Rename __pgm to __flash.
2486         Rename __pgm1 to __flash1.
2487         Rename __pgm2 to __flash2.
2488         Rename __pgm3 to __flash3.
2489         Rename __pgm4 to __flash4.
2490         Rename __pgm5 to __flash5.
2491         Rename __pgmx to __memx.
2492         * doc/extend.texi (AVR Named Address Spaces)
2493         Rename address space names as indicated above.
2494         * config/avr/avr.c (avr_addrspace): Ditto.
2495
2496         * config/avr/avr-protos.h
2497         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2498         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2499         * config/avr/predicates.md: Ditto.
2500         * config/avr/avr.c Ditto, and
2501         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2502         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2503
2504         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2505         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2506         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2507         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2508         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2509         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2510         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2511         * config/avr/avr.c: Ditto.
2512         * config/avr/avr.md: Ditto.
2513
2514 2012-01-25  Jason Merrill  <jason@redhat.com>
2515
2516         PR c++/51992
2517         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2518
2519 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2520
2521         PR tree-optimization/51987
2522         * tree-data-ref.c (get_references_in_stmt): Handle references in
2523         non-volatile GIMPLE_ASM.
2524
2525 2012-01-25  Richard Guenther  <rguenther@suse.de>
2526
2527         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2528         bases are dereferenced.
2529
2530 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2531
2532         PR rtl-optimization/48374
2533         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2534
2535 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2536
2537         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2538         compute_data_dependences_for_loop returns false.
2539         * tree-parloops.c (loop_parallel_p): Likewise.
2540
2541 2012-01-25  Richard Guenther  <rguenther@suse.de>
2542
2543         * tree.h (get_pointer_alignment_1): Declare.
2544         * builtins.c (get_pointer_alignment_1): New function.
2545         (get_pointer_alignment): Use it.
2546
2547 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2548
2549         PR rtl-optimization/48308
2550         * combine.c (enum undo_kind): Add UNDO_LINKS.
2551         (struct undo): Add member l to other_contents and where.
2552         (do_SUBST_LINK): New.
2553         (SUBST_LINK): New.
2554         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2555         (undo_all): Handle UNDO_LINKS.
2556
2557 2012-01-25  Richard Henderson  <rth@redhat.com>
2558
2559         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2560         mem inputs.
2561
2562 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2563
2564         * optabs.c (gen_atomic_test_and_set): Use each argument.
2565
2566 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2567
2568         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2569         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2570         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2571         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2572         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2573         TARGET_PAIRED_SINGLE_FLOAT.
2574
2575 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2576
2577         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2578         (in_struct, return_val): Remove MEM documentation.
2579         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2580         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2581         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2582         and MEM_SCALAR.
2583         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2584         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2585         * expr.c (store_field): Likewise.
2586         * function.c (assign_stack_temp_for_type): Likewise.
2587         * ifcvt.c (noce_try_cmove_arith): Likewise.
2588         * reload1.c (reload): Likewise.
2589         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2590         (alpha_set_memflags): Likewise.
2591         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2592
2593 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2594
2595         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2596         parameter.
2597         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2598         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2599         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2600         varies parameter.
2601         * cselib.c (cselib_rtx_varies_p): Delete.
2602         (cselib_invalidate_mem): Update call to canon_true_dependence.
2603         * dse.c (record_store, check_mem_read_rtx): Likewise.
2604         (scan_reads_nospill): Likewise.
2605         * cse.c (check_dependence): Likewise.
2606         (cse_rtx_varies_p): Delete.
2607         * expr.c (safe_from_p): Update call to true_dependence.
2608         * ira.c (validate_equiv_mem_from_store): Likewise.
2609         (memref_referenced_p): Likewise.
2610         * postreload-gcse.c (find_mem_conflicts): Likewise.
2611         * sched-deps.c (sched_analyze_2): Likewise.
2612         * store-motion.c (load_kills_store): Likewise.
2613         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2614         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2615         (compute_transp): Update call to canon_true_dependence.
2616
2617 2012-01-25  Richard Henderson  <rth@redhat.com>
2618
2619         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2620         (maybe_emit_atomic_test_and_set): New.
2621         (expand_sync_lock_test_and_set): Use it.
2622         (expand_atomic_test_and_set): Likewise.
2623         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2624         the implementation; clarify implementation defined details.
2625         * doc/md.texi (atomic_test_and_set): Document.
2626
2627 2012-01-25  Richard Henderson  <rth@redhat.com>
2628
2629         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2630
2631 2012-01-25  Richard Henderson  <rth@redhat.com>
2632
2633         PR target/51968
2634         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2635         to effect no-op split.
2636
2637 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2638
2639         PR lto/51698
2640         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2641         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2642         (BT_FN_VOID_PTR_INT_SIZE): New.
2643         (BT_FN_UINT_UINT_VAR): Remove.
2644         (BT_FN_UINT32_UINT32_VAR): New.
2645         (BT_FN_DOUBLE_VPTR): Remove.
2646         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2647
2648         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2649         (_ITM_changeTransactionMode): Same.
2650         (_ITM_memmoveRtWt): Change return type to void.
2651         (_ITM_memcpyRtWt): Same.
2652         (_ITM_memsetW): Same.
2653         (_ITM_RaRD): Change types to double.
2654         (_ITM_RD): Same.
2655         (_ITM_RaWD): Same.
2656         (_ITM_RfWD): Same.
2657
2658         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2659
2660 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2661             Patrick Marlier  <patrick.marlier@gmail.com>
2662
2663         * trans-mem.c (requires_barrier): Do not instrument thread local
2664         variables and emit save/restore for them.
2665
2666 2012-01-24  Jason Merrill  <jason@redhat.com>
2667
2668         PR c++/51812
2669         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2670         output static aliases.
2671
2672 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2673
2674         PR driver/47249
2675         * common.opt (-pie, -shared, pie, shared): Change from Common to
2676         Driver.
2677         * gcc.c (display_help): Display help for -pie and -shared.
2678
2679 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2680
2681         PR target/49868
2682         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2683         Remove note on size/offset limitation.
2684         (AVR Variable Attributes): Add example how to read data located
2685         with progmem.  Refer to named address spaces.
2686         * doc/invoke.texi (AVR Options): Fix typo.
2687
2688 2012-01-24  Richard Guenther  <rguenther@suse.de>
2689
2690         Forward-port to trunk
2691         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2692
2693         PR middle-end/45678
2694         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2695         op0 isn't sufficiently aligned and there is movmisalignM
2696         insn for mode, use it to load op0 into a temporary register.
2697
2698 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2699
2700         PR target/51957
2701         * target.def (const_not_ok_for_debug_p): New hook.
2702         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2703         documentation.
2704         * doc/tm.texi: Regenerated.
2705         * dwarf2out.c (const_ok_for_output_1): If
2706         targetm.const_not_ok_for_debug_p returns true, fail.
2707         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2708         function.
2709         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2710
2711 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2712
2713         PR target/51900
2714         * config/i386/predicates.md (symbolic_operand): Allow
2715         UNSPEC_PCREL as PIC expression for lea.
2716         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2717         * config/i386/i386.c (ix86_delegitimize_address): Handle
2718         UNSPEC_PCREL for none-MEM, too.
2719
2720 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2721
2722         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2723         (ipa_tm_create_version_alias): Same.
2724
2725 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2726
2727         PR libitm/51830
2728         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2729         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2730
2731 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2732             Patrick Marlier  <patrick.marlier@gmail.com>
2733             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2734
2735         PR lto/51916
2736         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2737         simple_object_start_read.
2738
2739 2012-01-23  Richard Guenther  <rguenther@suse.de>
2740
2741
2742         PR tree-optimization/51895
2743         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2744         parameter decomposition into BLKmode components.
2745
2746 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2747
2748         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2749         fake variables for restrict-qualified pointers whose pointed-to type
2750         contains a placeholder.
2751
2752 2012-01-23  Richard Guenther  <rguenther@suse.de>
2753
2754         PR tree-optimization/51949
2755         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2756
2757 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2758
2759         PR rtl-optimization/51933
2760         * ree.c (transform_ifelse): Return true right away if dstreg is
2761         already wider or equal to cand->mode.
2762         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2763         (make_defs_and_copies_lists): Remove defs_list and copies_list
2764         arguments, add state argument, just truncate state->work_list
2765         instead of always allocating and freeing the vector.  Assert that
2766         get_defs succeeds instead of returning 2.  Changed return type to bool.
2767         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2768         have ext_src_mode, see if it has been modified already with the
2769         right kind of extension and has been extended before from the
2770         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2771         just return true.  Remember the original mode in state->modified array.
2772         (combine_reaching_defs): Add state argument.  Don't allocate and
2773         free here def_list, copied_list and vec vectors, instead just
2774         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2775         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2776         Add state variable, clear vectors in it, initialize state.modified
2777         if needed.  Free all the vectors at the end and state.modified too.
2778         Don't skip a candidate if the extension expression has been modified.
2779
2780 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2781
2782         PR target/47096
2783         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2784          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2785         (extra_options) interix.opt -> i386/interix.opt"
2786         (extra_objs):Add winnt-stubs.o
2787         * configure.ac: Add interix to target_os .comm on PE check.
2788         * configure: Regenerate.
2789         * config/interix3.h: Delete and move bits to..
2790         * config/interix.h: Delete and move bits to..
2791         * config/i386/i386-interix3.h: Delete and move bits to..
2792         * config/i386/i386-interix.h: ..here.
2793         (TARGET_CPU_DEFAULT): Remove redefinition.
2794         (TARGET_ASM_CONSTRUCTOR): Undefine.
2795         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2796         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2797         (PTRDIFF_TYPE): Define.
2798         (LONG_DOUBLE_TYPE_SIZE): Define.
2799         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2800         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2801         (TARGET_SECTION_TYPE_FLAGS): Define.
2802         (ASM_DECLARE_FUNCTION_NAME): Define.
2803         (ASM_OUTPUT_EXTERNAL): Define.
2804         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2805         (ASM_OUTPUT_ALIGNED_BSS): Define.
2806         (PCC_BITFIELD_TYPE_MATTERS): Define.
2807         (USE_CONST_SECTION): Define.
2808         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2809         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2810         (SUPPORTS_ONE_ONLY): Remove.
2811         (I386_PE_STRIP_ENCODING): Define.
2812         * config/interix.opt: Delete and move bits to..
2813         * config/i386/interix.opt: ..here. New.
2814         (mpe-aligned-commons): Add.
2815         * config/i386/t-interix: Add copyright header.
2816         (winnt-stubs.o): Add rule.
2817
2818 2012-01-22  Jason Merrill  <jason@redhat.com>
2819
2820         PR c++/51832
2821         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2822         for extra name aliases.
2823
2824 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         PR rtl-optimization/51924
2827         * ree.c (combine_set_extension): Improve debugging message.
2828         (combine_reaching_defs): Likewise.
2829         (get_defs): Rename confusingly named variable.
2830         (find_and_remove_re): Skip a candidate if the extension expression has
2831         been modified.
2832
2833 2012-01-21  Robert Millan  <rmh@gnu.org>
2834             Gerald Pfeifer  <gerald@pfeifer.com>
2835
2836         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2837         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2838
2839 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2840
2841         PR tree-optimization/51914
2842         * tree-vect-stmts.c (vectorizable_conversion): For
2843         cvt_type && modifier == WIDEN, put temporary with cvt_type
2844         at the beginning of vec_dsts and set vec_dest to temporary
2845         with vectype_out.
2846
2847 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2848
2849         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2850
2851 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2852
2853         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2854         * config/rs6000/rs6000.c: Likewise.
2855
2856 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2857
2858         PR target/51915
2859         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2860         output_move_double on a copy of operands array.
2861
2862 2012-01-20  Cary Coutant  <ccoutant@google.com>
2863             Dodji Seketeli  <dodji@redhat.com>
2864
2865         PR debug/45682
2866         * dwarf2out.c (copy_declaration_context): Return ref to parent
2867         of declaration DIE, if necessary.
2868         (remove_child_or_replace_with_skeleton): Add new parameter; update
2869         caller.  Place skeleton DIE under parent DIE of original declaration.
2870         Move call to copy_declaration_context to here ...
2871         (break_out_comdat_types): ... from here.
2872
2873 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2874
2875         PR rtl-optimization/51856
2876         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2877         flag to reloaded.
2878
2879 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2880
2881         PR target/51819
2882         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2883         hints for neon loads and stores.
2884
2885 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2886
2887         PR target/49868
2888         PR target/50887
2889         * doc/extend.texi (Named Address Spaces): Split into subsections.
2890         (AVR Named Address Spaces): New subsection.
2891         (M32C Named Address Spaces): New subsection.
2892         (RL78 Named Address Spaces): New subsection.
2893         (SPU Named Address Spaces): New subsection.
2894         (Variable Attributes): New anchor "AVR Variable Attributes".
2895         (AVR Variable Attributes): Rewrite and avoid wording
2896         "address space" in this context.
2897         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2898         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2899         (AVR Built-in Macros): New subsubsection therein.
2900         * doc/md.texi (AVR constraints): Remove "C04", "R".
2901
2902 2012-01-20  Richard Guenther  <rguenther@suse.de>
2903
2904         PR tree-optimization/51903
2905         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2906         when removing stmts.
2907
2908 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2909
2910         PR target/50313
2911         * config/arm/arm.c (arm_load_pic_register): Use
2912         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2913         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2914         (arm_pic_static_addr): Likewise.
2915         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2916         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2917         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2918         (pic_load_addr_unified): New.
2919
2920 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2921
2922         PR target/51106
2923         * function.c (instantiate_virtual_regs_in_insn): Use
2924         delete_insn_and_edges when removing a wrong asm insn.
2925
2926 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2927
2928         PR rtl-optimization/40761
2929         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2930         Add new member loop_num.
2931         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2932         (ira_build): Remove the parameter.
2933
2934         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2935         (ira.c): Do not build CFG loops for one region allocation.  Remove
2936         argument from ira_build call.
2937
2938         * ira-build.c (init_loop_tree_node): New function.
2939         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2940         loops are not built.
2941         (more_one_region_p): Check current_loops.
2942         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2943         built.
2944         (add_loop_to_tree): Process loop equal to NULL too.
2945         (form_loop_tree): Separate the case when CFG loops are not built.
2946         Use explicitly number for the root.
2947         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2948         an assertion.
2949         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2950         instead of loop->num.
2951         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2952         (mark_all_loops_for_removal): Ditto.
2953         (remove_unnecessary_regions): Separate the case when CFG loops
2954         are not built.
2955         (ira_build): Remove the parameter.  Use explicit number of regions
2956         when CFG loops are not built.
2957
2958         * ira-color.c (print_loop_title): Separate the case for the root node.
2959         Use loop_num instead of loop->num.
2960         (move_spill_restore): Use loop_num instead of loop->num.
2961
2962         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2963         (change_loop): Ditto.
2964         (change_loop): Use loop_num instead of loop->num.
2965
2966         * ira-lives.c (process_bb_node_lives): Ditto.
2967
2968         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2969
2970         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2971
2972 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2973
2974         PR libmudflap/40778
2975         * tree-mudflap.c (mf_artificial): New function.
2976         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2977         mx_register_decls, mudflap_enqueue_decl): Use it.
2978
2979         PR target/51876
2980         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2981         numbers in the insn pattern.
2982
2983 2012-01-19  Michael Matz  <matz@suse.de>
2984
2985         PR tree-optimization/46590
2986         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2987         use it in remembering which conflicts we already created.
2988         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2989         bitmap.
2990
2991 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2992
2993         PR lto/51280
2994         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2995         (merge_and_complain): Same.
2996
2997 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2998
2999         PR bootstrap/50237
3000         * config/initfini-array.h: Guard content of the header
3001         with #ifdef HAVE_INITFINI_ARRAY.
3002         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3003         Add initfini-array.h to tm_file here.
3004         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3005         * config.gcc: Don't add initfini-array.h to tm_file here.
3006         * configure: Regenerated.
3007
3008 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3009
3010         PR rtl-optimization/51505
3011         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3012         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3013         (df_note_bb_compute): Update the call to df_kill_notes.
3014
3015 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3016
3017         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3018
3019 2012-01-18  Richard Guenther  <rguenther@suse.de>
3020
3021         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3022         of conversions to void *.
3023
3024 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3025             Richard Sandiford  <rdsandiford@googlemail.com>
3026
3027         PR middle-end/50325
3028         PR middle-end/51192
3029         * optabs.h (simplify_expand_binop): Declare.
3030         * optabs.c (simplify_expand_binop): Make global.
3031         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3032         endian targets if the source cannot be exactly covered by word
3033         mode chunks.
3034
3035 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR bootstrap/51872
3038         * hard-reg-set.h (struct hard_reg_set_container): New type.
3039         * target.h (struct hard_reg_set_container): Forward declare.
3040         * target.def (set_up_by_prologue): New target hook.
3041         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3042         * doc/tm.texi: Regenerated.
3043         * function.c (thread_prologue_and_epilogue_insns): Change
3044         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3045         Call targetm.set_up_by_prologue on it.
3046         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3047         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3048
3049 2012-01-17  Nick Clifton  <nickc@redhat.com>
3050
3051         * config/rx/rx.c (rx_can_use_simple_return): New function.
3052         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3053         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3054
3055 2012-01-17  Richard Guenther  <rguenther@suse.de>
3056
3057         PR middle-end/51782
3058         * expr.c (expand_assignment): Take address-space information
3059         from the address operand of MEM_REF and TARGET_MEM_REF.
3060         (expand_expr_real_1): Likewise.
3061
3062 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3063
3064         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3065         reload dump is requested.
3066
3067 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3068
3069         PR other/51165
3070         * trans-mem.c (requires_barrier): Call may_be_aliased.
3071
3072 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3073
3074         PR tree-optimization/51877
3075         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3076         call arguments and fndecls compare equal, instead return false if they
3077         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3078         both SSA_NAMEs that are valueized the same, or they satisfy
3079         operand_equal_p.
3080
3081 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3082
3083         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3084         Solaris 11+.
3085         * configure: Regenerate.
3086
3087 2012-01-16  Jan Hubicka  <jh@suse.cz>
3088
3089         PR c/12245
3090         PR c++/14179
3091         * convert.c (convert_to_integer): Use fold_convert for
3092         converting an INTEGER_CST to integer type.
3093
3094 2012-01-16  Jason Merrill  <jason@redhat.com>
3095
3096         PR c++/14179
3097         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3098
3099 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3100
3101         PR bootstrap/51860
3102         * config/s390/s390.c (s390_chunkify_start): Don't skip
3103         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3104         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3105         If insn is followed by NOTE_INSN_VAR_LOCATION or
3106         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3107         Don't use location of note insns.
3108
3109         PR tree-optimization/51865
3110         * tree-inline.c (tree_function_versioning): Call remap_decl
3111         on DECL_RESULT whenever it has VOID_TYPE_P type.
3112
3113 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3114
3115         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3116         for calls to locally-binding MIPS16 functions if only the return
3117         type uses float regs.
3118
3119 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3120             Richard Sandiford  <rdsandiford@googlemail.com>
3121
3122         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3123         (SYMBOL_32_HIGH): Likewise.
3124         (mips_output_tls_reloc_directive): Declare.
3125         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3126         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3127         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3128         (mips_lo_relocs, mips_hi_relocs): Make extern.
3129         (mips16_stub_function): Move up file.
3130         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3131         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3132         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3133         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3134         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3135         (mips_get_tp): Add MIPS16 support.
3136         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3137         Generalize DTPREL and TPREL handling.
3138         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3139         Add MIPS16 TLS support.
3140         (mips_output_tls_reloc_directive): New function.
3141         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3142         * config/mips/predicates.md (symbolic_operand_with_high)
3143         (tls_reloc_operand): New predicates.
3144         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3145         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3146         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3147         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3148         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3149         (*tls_get_tp_mips16_call_<mode>): Likewise.
3150
3151 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3152
3153         PR rtl-optimization/51821
3154         * recog.c (peep2_find_free_register): Determine clobbered registers
3155         from insn pattern.
3156
3157 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3158
3159         PR target/50925
3160         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3161         * config/avr/avr.c: Likewise.
3162         * config/avr/avr.h: Likewise.
3163
3164 2012-01-13  Ian Lance Taylor  <iant@google.com>
3165
3166         PR c++/50012
3167         * tree.h (TYPE_QUALS): Add cast to int.
3168         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3169
3170 2012-01-13  Ian Lance Taylor  <iant@google.com>
3171
3172         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3173         comparing param_index to VEC_length result.
3174
3175 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3176
3177         * c-decl.c: Do not include tree-mudflap.h
3178         * tree-optimize.c: Likewise.
3179         * Makefile.in: Update dependencies.
3180
3181 2012-01-13  Richard Guenther  <rguenther@suse.de>
3182
3183         PR middle-end/8081
3184         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3185         variable-sized result always use RSO.
3186
3187 2012-01-12  DJ Delorie  <dj@redhat.com>
3188
3189         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3190         pointer type, not just the default pointer type.
3191
3192 2012-01-09  Richard Henderson  <rth@redhat.com>
3193             Denis Chertykov  <chertykov@gmail.com>
3194
3195         PR target/50925
3196         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3197         * config/avr/avr.c (avr_can_eliminate): Simplify.
3198         (avr_initial_elimination_offset): Likewise.
3199         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3200         (expand_epilogue): Likewise.
3201         (avr_legitimize_address): Gut.
3202         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3203         (avr_hard_regno_nregs): New.
3204         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3205         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3206         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3207         add soft frame pointer.
3208         (CALL_USED_REGISTERS): Likewise.
3209         (REG_CLASS_CONTENTS): Likewise.
3210         (REGISTER_NAMES): Likewise.
3211         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3212         (HARD_FRAME_POINTER_REGNUM): New.
3213         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3214         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3215         remove the HARD_FRAME_POINTER self-elimination.
3216
3217 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3218
3219         PR target/51756
3220         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3221         DECL_EXTERNAL when checking for initializers of progmem variables.
3222
3223 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3224
3225         PR tree-optimization/51799
3226         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3227         that the last operation is a type demotion.
3228
3229 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3232         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3233
3234 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3235
3236         PR bootstrap/51796
3237         * combine.c (distribute_notes): If i3 is a noreturn call,
3238         allow old_size to be equal to args_size and make sure the
3239         noreturn call gets REG_ARGS_SIZE note.
3240         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3241         on noreturn calls even when the delta is 0.
3242
3243 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3244
3245         * gcov.c (STRING_SIZE): Remove.
3246         (generate_results): Erase annotations for source files with no
3247         coverage information.
3248         (read_line): New.
3249         (output_lines): Use it.
3250
3251 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3252
3253         * gimple.h (gimplify_body): Remove first argument.
3254         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3255         pointer set here, instead just pass DATA to walk_tree.
3256         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3257         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3258         (unvisit_body): Likewise, but with unmark_visited.
3259         (gimplify_body): Remove BODY_P argument and adjust.
3260         (gimplify_function_tree): Adjust call to gimplify_body.
3261         * omp-low.c (finalize_task_copyfn): Likewise.
3262
3263 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3264
3265         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3266         (build_function_type_skip_args): Delete.
3267         * tree.c (build_function_type_skip_args): Make static and add
3268         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3269         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3270         pass it to build_function_type_skip_args.
3271         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3272         (tree_function_versioning): Likewise.
3273         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3274         build_function_decl_skip_args.
3275         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3276         and pass it to build_function_decl_skip_args/tree_function_versioning.
3277         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3278         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3279         * trans-mem.c (ipa_tm_create_version): Likewise.
3280         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3281         * tree-inline.c (declare_return_variable): Remove always-true test.
3282         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3283         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3284         * ipa-split.c (split_function): Skip the return value for the split
3285         part if it doesn't return.
3286
3287 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3288
3289         PR tree-optimization/49642
3290         * ipa-split.c (forbidden_dominators): New variable.
3291         (check_forbidden_calls): New function.
3292         (dominated_by_forbidden): Likewise.
3293         (consider_split): Check for forbidden dominators.
3294         (execute_split_functions): Initialize and free forbidden
3295         dominators info; call check_forbidden_calls.
3296
3297 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3298
3299         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3300
3301 2012-01-11  Nick Clifton  <nickc@redhat.com>
3302
3303         * config/rx/rx.md (return): Define pattern.
3304
3305 2012-01-11  Richard Guenther  <rguenther@suse.de>
3306
3307         * doc/extend.texi (malloc attribute): Adjust according to
3308         implementation.
3309
3310 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3311             Patrick Marlier  <patrick.marlier@gmail.com>
3312
3313         PR middle-end/51516
3314         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3315         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3316         (ipa_tm_note_irrevocable): Same.
3317         (ipa_tm_scan_irr_block): Same.
3318         (ipa_tm_decrement_clone_counts): Same.
3319         (ipa_tm_scan_irr_function): Same.
3320         (ipa_tm_create_version_alias): Same.
3321         (ipa_tm_create_version): Same.
3322         (ipa_tm_transform_calls_redirect): Same.
3323         (ipa_tm_transform_calls): Same.
3324         (ipa_tm_transform_transaction): Same.
3325         (ipa_tm_execute): Same.
3326
3327 2012-01-10  Richard Guenther  <rguenther@suse.de>
3328
3329         PR middle-end/51806
3330         * opts.c (common_handle_option): Handle -Werror.
3331
3332 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3333
3334         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3335         operand number.
3336
3337 2012-01-10  Jason Merrill  <jason@redhat.com>
3338
3339         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3340         information.
3341
3342 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3343
3344         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3345         supports R_386_TLS_GD_PLT reloc.
3346         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3347         supports R_386_TLS_LDM_PLT reloc.
3348         * configure: Regenerate.
3349         * config.in: Regenerate.
3350
3351 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3352
3353         PR target/49868
3354         Extend __pgmx semantics to linearize memory.
3355         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3356         determine if code comes inline or from libgcc.
3357         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3358         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3359         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3360         (movmemx_qi, movmemx_hi): New insns.
3361         (xload_<mode>_libgcc): Rewrite to new insn condition.
3362         (xload_<mode>): Remove insns.
3363         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3364         cases that don't satisfy avr_xload_libgcc_p().
3365         (avr_addr_space_convert): Allow converting in any direction.
3366         (avr_addr_space_subset_p): Return always true.
3367         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3368         (avr_emit_movmemhi): Ditto.
3369         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3370         (avr_out_movmem): Ditto.
3371         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3372         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3373         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3374         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3375         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3376
3377 2012-01-10  Richard Guenther  <rguenther@suse.de>
3378
3379         PR tree-optimization/50913
3380         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3381         Require data-refs to be representable by Graphite with respect
3382         to any loop nest.
3383
3384 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3385
3386         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3387         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3388
3389 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3390
3391         PR rtl-optimization/51271
3392         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3393         handling annulled branch.
3394
3395 2012-01-10  Richard Henderson  <rth@redhat.com>
3396
3397         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3398         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3399         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3400         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3401         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3402         arm_expand_vec_perm_const): New.
3403         * config/arm/arm-protos.h: Update.
3404         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3405         (*neon_vswp<VDQX>): New.
3406         (neon_vcombine<VDX>): Use neon_split_vcombine.
3407         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3408         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3409         (vec_perm<VE>): New.
3410
3411 2012-01-10  Richard Henderson  <rth@redhat.com>
3412
3413         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3414         use it if reload_completed.
3415         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3416         arm_output_asm_insn, arm_process_output_memory_barrier,
3417         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3418         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3419         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3420         arm_process_output_sync_insn, arm_output_sync_insn,
3421         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3422         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3423         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3424         (emit_unlikely_jump): New.
3425         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3426         (arm_split_atomic_op): New.
3427         * config/arm/arm-protos.h: Update.
3428         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3429         (struct arm_sync_generator): Remove.
3430         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3431         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3432         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3433         (VUNSPEC_LL, VUNSPEC_SC): New.
3434         (sync_result, sync_memory, sync_required_value, sync_new_value,
3435         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3436         (attr length): Don't use arm_sync_loop_insns.
3437         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3438         (movsfcc, movdfcc): Likewise.
3439         * config/arm/constraints.md (Ua): New.
3440         * config/arm/prediates.md (mem_noofs_operand): New.
3441         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3442         (sync_clobber, sync_t2_reqd): Remove.
3443         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3444         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3445         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3446         (arm_sync_compare_and_swap<SIDI>): Remove.
3447         (arm_sync_compare_and_swap<NARROW>): Remove.
3448         (arm_sync_lock_test_and_set<SIDI>): Remove.
3449         (arm_sync_lock_test_and_set<NARROW>): Remove.
3450         (arm_sync_new_<syncop><SIDI>): Remove.
3451         (arm_sync_new_<syncop><NARROW>): Remove.
3452         (arm_sync_new_nand<SIDI>): Remove.
3453         (arm_sync_new_nand<NARROW>): Remove.
3454         (arm_sync_old_<syncop><SIDI>): Remove.
3455         (arm_sync_old_<syncop><NARROW>): Remove.
3456         (arm_sync_old_nand<SIDI>): Remove.
3457         (arm_sync_old_nand<NARROW>): Remove.
3458         (*memory_barrier): Merge arm_output_memory_barrier.
3459         (atomic_compare_and_swap<QHSD>): New.
3460         (atomic_compare_and_swap<NARROW>_1): New.
3461         (atomic_compare_and_swap<SIDI>_1): New.
3462         (atomic_exchange<QHSD>): New.
3463         (cas_cmp_operand, cas_cmp_str): New.
3464         (atomic_op_operand, atomic_op_str): New.
3465         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3466         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3467         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3468         (arm_load_exclusive<NARROW>): New.
3469         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3470         (arm_store_exclusive<QHSD>): New.
3471
3472 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3473
3474         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3475         reload patterns if -mvsx-scalar-memory.
3476
3477         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3478         generated, even -mno-vsx-scalar-double was used.
3479         (vsx_xscvdpsp_scalar): Likewise.
3480         (vsx_xscvspdp_scalar2): Likewise.
3481
3482 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3483             Andrew Pinski  <apinski@cavium.com>
3484
3485         PR debug/51471
3486         * reorg.c (fill_slots_from_thread): Don't speculate
3487         frame-related insns.
3488
3489 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3490
3491         * sched-int.h (bb_note): Move to...
3492         * basic-block.h: ...here.
3493         * haifa-sched.c (bb_note): Move to...
3494         * cfgrtl.c: ...here.
3495         * function.c (next_block_for_reg): New function.
3496         (move_insn_for_shrink_wrap): Likewise.
3497         (prepare_shrink_wrap): Rewrite to use the above.
3498
3499 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3500
3501         * gimple.c (is_gimple_non_addressable): Remove.
3502         * gimple.h: Remove is_gimple_non_addressable.
3503         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3504         is_gimple_non_addressable.
3505         * trans-mem.c (expand_assign_tm): Same.
3506
3507 2012-01-09  Richard Guenther  <rguenther@suse.de>
3508
3509         PR tree-optimization/51775
3510         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3511         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3512
3513 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3514
3515         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3516         tuning parameters.
3517         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3518
3519 2012-01-09  Richard Guenther  <rguenther@suse.de>
3520
3521         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3522
3523 2012-01-08  Jan Hubicka  <jh@suse.cz>
3524
3525         PR tree-optimize/51680
3526         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3527         on when known_vals needs to be computed; cleanup.
3528
3529 2012-01-08  Jan Hubicka  <jh@suse.cz>
3530
3531         PR tree-optimize/51694
3532         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3533
3534 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3535
3536         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3537         for -std=c++98 and -std=c++11 too.
3538
3539 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3540
3541         * cfgloop.c (cancel_loop): Add free() of bbs array.
3542
3543 2012-01-07  Jan Hubicka  <jh@suse.cz>
3544
3545         PR tree-optimization/51600
3546         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3547         that benefits small functions.
3548
3549 2012-01-07  Jan Hubicka  <jh@suse.cz>
3550
3551         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3552
3553 2012-01-07  Jan Hubicka  <jh@suse.cz>
3554
3555         PR tree-optimization/51680
3556         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3557         whose inlining reduce unit size.
3558
3559 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3560
3561         PR bootstrap/51725
3562         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3563         Add canonical node to containing_mem chain after the non-canonical
3564         one, even if there weren't any locs to propagate.
3565         (remove_useless_values): Keep only canonical values.
3566         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3567         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3568         canonicalize mem_chain elements that are not discarded.
3569
3570 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3571
3572         PR target/47333
3573         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3574         before emitting functions.
3575
3576         PR gcov-profile/50127
3577         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3578         clear_aux_for_blocks.
3579
3580 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3581
3582         PR debug/51746
3583         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3584
3585 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3586
3587         * c-decl.c (ext_block): Moved up.
3588         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3589
3590 2012-01-06  Han Shen  <shenhan@google.com>
3591
3592         Translate built-in include paths for sysroot.
3593         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3594         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3595
3596         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3597         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3598
3599         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3600         control whether sysroot should be prepended to gxx include dir.
3601
3602         * configure: Regenerate.
3603
3604 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3605
3606         PR rtl-optimization/51771
3607         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3608         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3609
3610 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3611
3612         PR tree-optimization/51315
3613         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3614         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3615
3616 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3617
3618         PR target/51681
3619         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3620         for shrp pattern.  Correctly handle and fixup shift variable.
3621         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3622
3623 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3624
3625         PR debug/51762
3626         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3627         note when !ACCUMULATE_OUTGOING_ARGS.
3628
3629 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3630
3631         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3632         condition.
3633         (extract_range_from_unary_expr_1): Avoid useless computations.
3634
3635 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3636
3637         PR rtl-optimization/51767
3638         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3639         of jump_block and add an extra edge for degenerated asm gotos.
3640
3641         PR middle-end/51768
3642         * stmt.c (check_unique_operand_names): Don't ICE during error
3643         reporting if i is from labels chain.
3644
3645         PR middle-end/44777
3646         * profile.c (branch_prob): Split bbs that have exit edge
3647         and need a fake entry edge too.
3648
3649 2012-01-05  Jan Hubicka  <jh@suse.cz>
3650
3651         PR middle-end/49710
3652         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3653         unlooping loops.
3654
3655 2012-01-05  Richard Guenther  <rguenther@suse.de>
3656
3657         PR lto/50490
3658         * tree-streamer-out.c (write_ts_optimization): New function.
3659         (streamer_write_tree_body): Call it.
3660         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3661         (streamer_read_tree_body): Call it.
3662         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3663
3664 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3665
3666         PR middle-end/51761
3667         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3668         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3669         in_cleanup_point_expr before gimplify_stmt call and restore it
3670         afterwards.
3671         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3672         in_cleanup_point_expr is false.
3673
3674 2012-01-05  Richard Guenther  <rguenther@suse.de>
3675
3676         PR middle-end/51764
3677         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3678         to c.opt.
3679         * toplev.c (process_options): Reject combining mudflap and LTO.
3680         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3681
3682 2012-01-05  Richard Guenther  <rguenther@suse.de>
3683
3684         PR tree-optimization/51760
3685         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3686         not VARYING.
3687         (bit_value_unop): Handle UNDEFINED operands.
3688         (bit_value_binop): Likewise.
3689
3690 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3691
3692         * config/avr/avr.c (avr_replace_prefix): Remove.
3693         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3694         (avr_asm_function_rodata_section): Ditto.
3695         (avr_asm_select_section): Ditto.
3696
3697 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3698
3699         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3700         insertion.
3701
3702 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3703
3704         PR bootstrap/51648
3705         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3706         calls that have any non-fake successor edges.
3707
3708         PR debug/51746
3709         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3710
3711 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3712
3713         PR tree-optimization/51624
3714         * tree-sra.c (build_ref_for_model): When replicating a chain of
3715         COMPONENT_REFs, stop as soon as the offset would become negative.
3716
3717 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3718
3719         PR debug/51695
3720         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3721         in .debug_loc on the floor.
3722
3723 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3724
3725         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3726
3727 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3728             Adam Nemet  <anemet@caviumnetworks.com>
3729
3730         * config/mips/mips.md (size): Add SI and DI.
3731         (SIZE): New mode attribute.
3732         (U): New code attribute.
3733         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3734         (mips_lbux_<mode>): Delete.
3735         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3736         (mips_lhx): Use gen_mips_lhx_extsi.
3737         (mips_lhx_<mode>): Delete.
3738         (mips_lwx): Delete.
3739         (mips_l<size>x): New expand.
3740         (mips_lwx_<mode>): Delete.
3741         (mips_l<GPR:size>x_<P:mode>): New pattern.
3742         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3743         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3744         * config/mips/mips.c (mips_lx_address_p): New function.
3745         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3746         (dsp64): New availability predicate.
3747         (mips_builtins): Add an entry for __builtin_mips_ldx.
3748         * config/mips/mips.h (ISA_HAS_LBX): New define.
3749         (ISA_HAS_LBUX): Likewise.
3750         (ISA_HAS_LHX): Likewise.
3751         (ISA_HAS_LHUX): Likewise.
3752         (ISA_HAS_LWX): Likewise.
3753         (ISA_HAS_LWUX): Likewise.
3754         (ISA_HAS_LDX): Likewise.
3755         * doc/extend.texi (__builtin_mips_ldx): Document.
3756
3757 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3758
3759         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3760         when long pointers are used.
3761         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3762         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3763         (ia64-hp-*vms*): Remove.
3764         * config/vms/xm-vms64.h: Delete.
3765
3766 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3767
3768         PR middle-end/51472
3769         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3770
3771 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3772
3773         * opts.c (finish_options): Remove duplicate sorry.
3774
3775 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3776
3777         PR middle-end/51696
3778         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3779         correctly.
3780
3781 2012-01-04  Richard Guenther  <rguenther@suse.de>
3782
3783         PR middle-end/51750
3784         * tree.c (size_low_cst): New function.
3785         * tree.h (size_low_cst): Declare.
3786         * fold-const.c (fold_comparison): Use it to extract the low
3787         part of the POINTER_PLUS_EXPR offset.
3788
3789 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3790
3791         Fix clearing ZERO_REG
3792         * config/avr/avr.md (cc): Add alternative "ldi".
3793         (movqi_insn): Use it in cc attribute.
3794         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3795         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3796         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3797
3798 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3799
3800         * configure: Regenerate.
3801
3802 2012-01-04  Richard Guenther  <rguenther@suse.de>
3803
3804         PR tree-optimization/49651
3805         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3806         (var_can_have_subvars): Use it.
3807         (get_constraint_for_1): Only consider subfields if there can be any.
3808
3809 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3810
3811         PR bootstrap/51725
3812         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3813         to its new canonical_cselib_val and the cselib_val was in
3814         first_containing_mem chain, but the canonical_cselib_val was not,
3815         add the latter into the chain.
3816         (cselib_invalidate_mem): Compare canonical_cselib_val of
3817         addr_list chain elt with v.
3818
3819         PR pch/51722
3820         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3821         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3822         of xstrdup.
3823         (output_macinfo_op): Don't ggc_strdup fd->filename.
3824         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3825         then ggc_strdup it.  Don't free inc->info or cur->info.
3826         (output_macinfo): Don't free ref->info or file->info.
3827
3828 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3829
3830         PR tree-optimization/51269
3831         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3832         first_niters a pointer.
3833         (slpeel_tree_peel_loop_to_edge): Likewise.
3834         (vect_do_peeling_for_loop_bound): Update call to
3835         slpeel_tree_peel_loop_to_edge.
3836         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3837         here.  Remove it from the parameters list.
3838         (vect_do_peeling_for_alignment): Update calls and compute
3839         wide_prolog_niters.
3840
3841 2012-01-03  Richard Guenther  <rguenther@suse.de>
3842
3843         PR tree-optimization/51070
3844         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3845         Properly handle calls.
3846
3847 2012-01-03  Richard Guenther  <rguenther@suse.de>
3848
3849         PR tree-optimization/51692
3850         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3851         the LHS of allocation stmts.
3852
3853 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3854
3855         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3856
3857 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3858
3859         * collect2.c (main): In AIX specific computations for vector
3860         insertions, use CONST_CAST2 to cast from char ** to const char **.
3861
3862 2012-01-03  Richard Guenther  <rguenther@suse.de>
3863
3864         PR debug/51650
3865         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3866         the context of a limbo DIE when it does not already exist.
3867
3868 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3869
3870         PR tree-optimization/51719
3871         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3872         but direct call is, clear direct call's lhs and don't add fallthrough
3873         edge from dcall_bb to join_bb and PHIs.
3874
3875 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3876
3877         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3878         the instructions emitted by the pattern.
3879         ("*TDC_insn_<mode>"): Add comment.
3880
3881 2012-01-03  Richard Guenther  <rguenther@suse.de>
3882
3883         PR middle-end/51730
3884         * fold-const.c (fold_comparison): Properly canonicalize
3885         tree offset and HOST_WIDE_INT bit position.
3886
3887 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3888
3889         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3890         operands for extzv pattern.
3891
3892 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3893
3894         PR bootstrap/51725
3895         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3896         on mem_elt first.
3897
3898 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3899
3900         * doc/invoke.texi (-flto and related options): Copy-edit.
3901
3902 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3903
3904         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3905
3906 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3907
3908         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3909         New patterns.
3910
3911 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3912
3913         * expr.h (move_by_pieces_ninsns): Declare.
3914         * expr.c (move_by_pieces_ninsns): Make external.
3915         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3916         (mips_store_by_pieces_p): Likewise.
3917         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3918         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3919         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3920         (mips_store_by_pieces_p): Likewise.
3921
3922 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3923
3924         * passes.c (register_one_dump_file): Free full_name.
3925
3926         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3927         (calculate_elim_costs_all_insns): Free offsets_at and
3928         offsets_known_at at the end and clear the pointers.
3929
3930 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3931
3932         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3933         this option introduced in r180739.
3934
3935 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3936
3937         PR target/51345
3938         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3939         (tmake_file target=avr): Add avr/t-multilib.
3940
3941         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3942         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3943         * config/avr/genmultilib.awk: New file.
3944         * config/avr/t-multilib: New auto-generated file.
3945         * config/avr/multilib.h: New auto-generated file.
3946         * config/avr/t-avr (AVR_MCUS): New variable.
3947         (genopt.sh): Use it.
3948         (s-mlib): Depend on t-multilib.
3949         (t-multilib, multilib.h): New dependencies.
3950         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3951         (MULTILIB_OPTIONS): Remove.
3952         (MULTILIB_MATCHES): Remove.
3953         (MULTILIB_DIRNAMES): Remove.
3954         (MULTILIB_EXCEPTIONS): Remove:
3955         * config/avr/genopt.sh: Don't use hard coded file name;
3956         pass AVR_MCUS from t-avr instead.
3957
3958 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3959
3960         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3961
3962 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3963
3964         Implement light-weight DImode support.
3965         * config/avr/avr-dimode.md: New file.
3966         * config/avr/avr.md: Include it.
3967         (adjust_len): Add plus64, compare64.
3968         (HIDI): Remove code iterator.
3969         (code_stdname): New code attribute.
3970         (rotx, rotsmode): Remove DI.
3971         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3972         as code iterator.
3973         * config/avr/avr-protos.h (avr_have_dimode): New.
3974         (avr_out_plus64, avr_out_compare64): New.
3975         * config/avr/avr.c (avr_out_compare): Handle DImode.
3976         (avr_have_dimode): New variable definition and initialization.
3977         (avr_out_compare64, avr_out_plus64): New functions.
3978         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3979         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3980         (avr_compare_pattern): Skip DImode comparisons.
3981
3982 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3983
3984         * ddg.c (def_has_ccmode_p): New function.
3985         (add_cross_iteration_register_deps,
3986         create_ddg_dep_from_intra_loop_link): Call it.
3987
3988 2012-01-02  Richard Guenther  <rguenther@suse.de>
3989
3990         PR other/51679
3991         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3992
3993 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3994
3995         * gcc.c (process_command): Update copyright notice dates.
3996         * gcov.c (print_version): Likewise.
3997         * gcov-dump.c (print_version): Likewise.
3998         * mips-tfile.c (main): Likewise.
3999         * mips-tdump.c (main): Likewise.
4000
4001 2012-01-01  Ira Rosen  <irar@il.ibm.com>
4002
4003         PR tree-optimization/51704
4004         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
4005         a use is inside the basic block or loop before accessing its vect info.
4006
4007 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
4008
4009         PR rtl-optimization/51069
4010         * cfgloopmanip.c (remove_path): Removing path making irreducible
4011         region unconditional makes BB part of the region.
4012
4013 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
4014
4015         PR tree-optimization/51683
4016         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
4017         calls with side-effects.
4018         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
4019 \f
4020 Copyright (C) 2012 Free Software Foundation, Inc.
4021
4022 Copying and distribution of this file, with or without modification,
4023 are permitted in any medium without royalty provided the copyright
4024 notice and this notice are preserved.