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