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