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* config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
4         of the destination isn't also a FP_REGS register.
5
6 2012-04-03  Richard Guenther  <rguenther@suse.de>
7
8         Backport from mainline
9         2012-03-02  Richard Guenther  <rguenther@suse.de>
10
11         PR tree-optimization/52406
12         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
13         (struct indices): Add unconstrained_base member.
14         (struct dr_alias): Remove unused vops member.
15         (DR_UNCONSTRAINED_BASE): New define.
16         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
17         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
18         be an artificial access that covers the whole indexed object,
19         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
20         plain decl base-objects to their MEM_REF variant.
21         (dr_may_alias_p): When the base-object of either data reference
22         has unknown size use only points-to information.
23         (compute_affine_dependence): Make dumps easier to read and
24         more verbose.
25         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
26         DR_REF when looking for packed references.
27         (vect_supportable_dr_alignment): Likewise.
28
29 2012-04-03  Richard Guenther  <rguenther@suse.de>
30
31         Backport from mainline
32         2012-03-15  Richard Guenther  <rguenther@suse.de>
33
34         PR middle-end/52580
35         * tree-data-ref.c (subscript_dependence_tester_1): Check
36         all dimensions for non-conflicting access functions.
37
38 2012-04-03  Richard Guenther  <rguenther@suse.de>
39
40         Backport from mainline
41         2012-03-06  Richard Guenther  <rguenther@suse.de>
42
43         PR middle-end/52493
44         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
45
46         2012-03-23  Richard Guenther  <rguenther@suse.de>
47
48         PR tree-optimization/52678
49         * tree-vectorizer.h (struct _stmt_vec_info): Add
50         loop_phi_evolution_part member.
51         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
52         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
53         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
54         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
55         Use the cached evolution part and the PHI nodes value from
56         the loop preheader edge instead of re-analyzing the evolution.
57
58         2012-03-26  Richard Guenther  <rguenther@suse.de>
59
60         PR tree-optimization/52701
61         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
62         compute and set the evolution part of PHI nodes.
63
64         2012-03-30  Richard Guenther  <rguenther@suse.de>
65
66         PR tree-optimization/52754
67         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
68         propagate arbitrary addresses into really plain dereferences.
69
70 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
71
72         PR tree-optimization/52835
73         * tree-data-ref.c (build_rdg): Return NULL if
74         compute_data_dependences_for_loop failed.
75
76 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
77
78         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
79         (stmt_can_make_abnormal_goto): Use it.
80         (is_ctrl_altering_stmt): Likewise.
81
82 2012-03-31  Martin Jambor  <mjambor@suse.cz>
83
84         Backported from mainline
85         2012-03-30  Martin Jambor  <mjambor@suse.cz>
86
87         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
88         is a builtin_stack_save in a dominating BB.
89
90 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
91
92         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
93         crossing 128bit lane boundary.
94
95 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
96
97         Backported from mainline
98         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
99
100         PR target/52698
101         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
102         New prototype.
103         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
104         * config/i386/i386.c: Include reload.h.
105         (ix86_legitimize_reload_address): New function.
106
107 2012-03-28  Martin Jambor  <mjambor@suse.cz>
108
109         Backported from mainline
110         2012-03-27  Martin Jambor  <mjambor@suse.cz>
111
112         PR middle-end/52693
113         * tree-sra.c (sra_modify_assign): Do not call
114         load_assign_lhs_subreplacements when working with an unscalarizable
115         region.
116
117 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
118
119         PR middle-end/52691
120         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
121         __builtin_va_start to __builtin_next_arg if the latter is
122         builtin_decl_explicit_p rather than when it is not.
123
124         PR middle-end/52750
125         * tree-vect-generic.c (vector_element): Perform multiplication
126         for pos in bitsizetype type instead of idx type.
127
128 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
129
130         Backport from 2012-03-28 mainline r185910.
131
132         PR target/52692
133         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
134         (avr_builtin_decl): New static function.
135         (struct avr_builtin_description, avr_bdesc): Move up.
136         Add GTY marker. Add field fndecl. Remove redundant field id.
137         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
138         (avr_expand_builtin): Code cleanup because .id is removed.
139
140 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
141
142         PR middle-end/51893
143         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
144         targets.
145
146 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
147
148         Backport from 2012-03-28 mainline r185907.
149
150         PR target/52737
151         * config.gcc (tm_file): Remove avr/multilib.h.
152
153         * doc/invoke.texi (AVR Options): Adjust
154         documentation of -mtiny-stack.
155
156         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
157         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
158         * config/avr/t-avr: Remove generation of multilib.h.
159         * config/avr/t-multilib: Regenerate.
160         * config/avr/multilib.h: Remove.
161         * config/avr/avr.opt (-msp8): New option.
162         (avr_sp8): New variable.
163         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
164         * config/avr/avr.h (AVR_HAVE_SPH): New define.
165         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
166         (avr_device_to_sp8): New prototype.
167         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
168         (DRIVER_SELF_SPECS): New define.
169         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
170         __AVR_SP8__, __AVR_HAVE_SPH__.
171         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
172         AVR_HAVE_8BIT_SP to decide if SP_H is present.
173         (avr_file_start): Ditto.
174
175 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
176
177         PR target/52736
178         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
179         instead of 8 in adjust_address.
180
181 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
182
183         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
184         of a unit before computing the offset in units.
185
186 2012-03-27  Richard Guenther  <rguenther@suse.de>
187
188         PR middle-end/52720
189         * fold-const.c (try_move_mult_to_index): Handle &x.array more
190         explicitely.
191
192 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
193
194         PR target/52610
195         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
196
197 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
198
199         PR middle-end/52640
200         * varasm.c: Include pointer-set.h.
201         (pending_assemble_externals_set): New pointer set.
202         (process_pending_assemble_externals): Destroy the pointer set.
203         (assemble_external): See if decl is in pending_assemble_externals_set,
204         and add it to pending_assemble_externals if necessary.
205         (init_varasm_once): Allocate pending_assemble_externals_set.
206
207 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
208
209         Backported from mainline
210         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
211
212         PR target/50310
213         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
214         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
215         (vector_ltgt<mode>): Likewise.
216         (vector_ordered<mode>): Likewise.
217         (vector_unordered<mode>): Likewise.
218         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
219
220 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
221
222         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
223         Make static.
224
225 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
226
227         Backported from mainline
228         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
229
230         PR target/48596
231         PR target/48806
232         * config/sh/sh.c (sh_register_move_cost): Increase cost between
233         GENERAL_REGS and FP_REGS for SImode.
234
235 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
236
237         PR middle-end/52547
238         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
239         on any new_local_var_chain vars declared during recursing on
240         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
241
242 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
243
244         Backport from 2012-03-22 mainline r185692.
245
246         PR target/52496
247         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
248         (unspecv): Add UNSPECV_MEMORY_BARRIER.
249         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
250         (delay_cycles_1, delay_cycles_2): Ditto.
251         (delay_cycles_3, delay_cycles_4): Ditto.
252         (nopv, *nopv): Ditto.
253         (sleep, *sleep): Ditto.
254         (wdr, *wdr): Ditto.
255
256         Backport from 2012-03-21 mainline r185605.
257
258         PR rtl-optimization/52543
259         PR target/52461
260         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
261         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
262         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
263         (avr_load_libgcc_p): Restrict to __flash loads.
264         (avr_out_lpm): Only handle 1-byte loads from __flash.
265         (avr_load_lpm): New function.
266         (avr_find_unused_d_reg): Remove.
267         (avr_out_lpm_no_lpmx): Remove.
268         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
269         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
270         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
271         (load_<mode>, load_<mode>_clobber): New insns.
272         (mov<mode>): For multi-byte move from non-generic
273         16-bit address spaces: Expand to load_<mode> resp.
274         load_<mode>_clobber.
275         (load<mode>_libgcc): Remove expander.
276         (split-lpmx): Remove split.
277
278         Backport from 2012-03-13 mainline r185329.
279
280         PR target/52488
281         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
282         offset (size) to a value the insns can deal with.
283         (expand_epilogue): Ditto.
284
285         Backport from 2012-03-12 mainline r185256.
286
287         PR target/52499
288         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
289         type from reg_class_t to enum reg_class.
290         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
291
292         Backport from 2012-03-12 mainline r185253.
293
294         PR target/52148
295         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
296         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
297         r184615 from 2012-02-28.
298
299         Backport from 2012-03-08 mainline r185105.
300
301         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
302         for constants in [-63,63].
303
304         Backport from 2012-03-08 mainline r185100.
305
306         PR target/52496
307         * config/avr/avr.c (avr_mem_clobber): New static function.
308         (avr_expand_delay_cycles): Add memory clobber operand to
309         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
310         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
311         (enable_interrupt, disable_interrupt): New expander.
312         (nopv, sleep, wdr): New expanders.
313         (delay_cycles_1): Add memory clobber.
314         (delay_cycles_2): Add memory clobber.
315         (delay_cycles_3): Add memory clobber.
316         (delay_cycles_4): Add memory clobber.
317         (cli_sei): New insn from former "enable_interrupt",
318         "disable_interrupt" with memory clobber.
319         (*wdt): New insn from former "wdt" with memory clobber.
320         (*nopv): Similar, but for "nopv".
321         (*sleep): Similar, but for "sleep".
322
323         Backport from 2012-03-07 mainline r185043.
324
325         PR target/52484
326         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
327
328         Backport from 2012-03-07 mainline r185032.
329
330         PR target/52506
331         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
332         to: RAMPZ, RAMPY, RAMPX, RAMPD.
333         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
334
335         Backport from 2012-03-07 mainline r185031.
336
337         PR target/52505
338         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
339         from RAM.
340         * config/avr/avr.md (xload_8): Adjust insn length.
341
342         Backport from 2012-03-07 mainline r185030.
343
344         PR target/52461
345         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
346         if RAMPZ affects reading from RAM.
347
348         Backport from 2012-03-05 mainline r184919.
349
350         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
351
352 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
353
354         Backport from mainline r185259.
355
356         PR other/52545
357         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
358         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
359
360 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
361
362         Backported from mainline
363         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
364
365         PR c/52577
366         * c-parser.c (c_parser_postfix_expression)
367         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
368
369         * config/i386/smmintrin.h: Avoid /* within a comment.
370         * config/i386/nmmintrin.h: Likewise.
371
372 2012-03-22  Richard Guenther  <rguenther@suse.de>
373
374         * BASE-VER: Set to 4.7.1.
375         * DEV-PHASE: Set to prerelease.
376
377 2012-03-22  Release Manager
378
379         * GCC 4.7.0 released.
380
381 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
382
383         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
384
385 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
386             Andrew Pinski  <apinski@cavium.com>
387
388         PR middle-end/52592
389         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
390         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
391         calls instead of __builtin_ir{int,ound}*.
392
393 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
394
395         PR c++/52582
396         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
397         if c_node is NULL.
398
399 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
400
401         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
402         Refer to GCC 4.7 version of c99status.html.
403
404 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
405
406         Backport from mainline
407         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
408
409         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
410         redefine to be NULL if the current bit-size is different from the
411         configured bit-size.
412
413         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
414         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
415         set the default tuning.  Add asserts to make sure the cpu and tune
416         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
417         test whether the index is set, instead of > 0.
418         (rs6000_file_start): Do not reset the default cpu if the current
419         bit-size is different from the configured bit-size.
420
421 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
422
423         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
424         binutils reference.
425         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
426         Update binutils references.
427         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
428         Update binutils reference.
429         Update Sun as/GNU ld caveat.
430         Document binutils largefile requirement for LTO plugin.
431         Remove reference to alternate libpthread.
432
433 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
434
435         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
436         reference.
437         (Specific, mips-sgi-irix6): Likewise.
438
439 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
440
441         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
442         * configure: Regenerate.
443
444 2012-03-07  Richard Henderson  <rth@redhat.com>
445
446         * config/m68k/m68k.h (ISA_HAS_TAS): New.
447         * config/m68k/sync.md (atomic_test_and_set): Use it.
448         (atomic_test_and_set_1): Likewise.
449
450 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
451
452         PR target/51417
453         * Makefile.in: Let install-gcc-ar depend on installdirs,
454         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
455         Don't double canonicalize if cross-compiling.
456
457 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
458
459         * trans-mem.c: New typedef for tm_region_p.
460         Define vector types for tm_region_p.
461         (tm_region_init): Replace region_worklist to a vector called
462         bb_regions.
463
464 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
465
466         PR middle-end/52463
467         * trans-mem.c (tm_region_init): Use last_basic_block.
468
469 2012-03-05  Richard Henderson  <rth@redhat.com>
470
471         PR tree-opt/52242
472         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
473         * omp-low.c (expand_omp_atomic): Assume anything aligned to
474         BIGGEST_ALIGNMENT is aligned.
475
476 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
477
478         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
479
480 2012-03-05  Richard Henderson  <rth@redhat.com>
481
482         PR target/52481
483         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
484         instead of calling negqi2 directly.
485
486 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
487
488         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
489         (INTMAX_TYPE): Use it.
490         (UINTMAX_TYPE): Likewise.
491         (SUBTARGET_OVERRIDE_OPTIONS): Define.
492         (irix6_c_common_override_options): Declare.
493         (C_COMMON_OVERRIDE_OPTIONS): Define.
494         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
495         * config/mips/irix6-c.c: New file.
496         * config/mips/t-irix6 (irix6-c.o): New target.
497         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
498         cxx_target_objs.
499
500 2012-03-02  Richard Henderson  <rth@redhat.com>
501
502         * optabs.c (expand_atomic_test_and_set): Honor
503         atomic_test_and_set_trueval even when atomic_test_and_set
504         optab is not in use.
505
506 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
507
508         Backport from mainline
509         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
510
511         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
512
513 2012-03-02  Richard Guenther  <rguenther@suse.de>
514
515         * DEV-PHASE: Set to prerelease.
516
517 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
518
519         * config.gcc (obsolete): Add all ARM targets using the FPA.
520         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
521         * doc/install.texi: Avoid references to obsolete ARM ports.
522
523 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
524
525         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
526
527 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
528             Joern Rennecke  <joern.rennecke@embecosm.com>
529
530         * doc/extend.texi: Expand and update information on interrupt
531         attribute for Epiphany.
532
533 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
534
535         * config/sh/sh-protos.h: Update copyright notice dates.
536         * config/sh/sh.h: Likewise.
537         * config/sh/sh.md: Likewise.
538         * config/sh/constraints.md: Likewise.
539         * config/sh/predicates.md: Likewise.
540
541 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
542
543         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
544         * config/sh/sh.c (tertiary_reload_operand): Likewise.
545
546 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
547
548         * config/sh/constraints.md: Fix comment typo.
549
550 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
551
552         PR target/52408
553         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
554         unsigned HOST_WIDE_INT.
555         (zvdep_imm64): Likewise.
556         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
557         (vdepi_and): Likewise.
558         Likewise for unamed 64-bit patterns.
559         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
560
561 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
562
563         PR debug/52001
564         PR rtl-optimization/52417
565         * cselib.c (cselib_any_perm_equivs): New variable.
566         (cselib_reset_table): Check that it's not set when not
567         preserving constants.
568         (cselib_add_permanent_equiv): Set it.
569         (cselib_have_permanent_equivalences): New.
570         (cselib_init, cselib_finish): Reset it.
571         * cselib.h (cselib_have_permanent_equivalences): Declare.
572         * alias.c (get_addr): Restore earlier behavior when there
573         aren't permanent equivalences.
574
575 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
576
577         * config/mn10300/mn10300-modes.def: Fix copyright notice.
578         * config/v850/v850-modes.def: Fix copyright notice.
579
580 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
581
582         * doc/extend.texi (AVR Built-in Functions): Document
583         __builtin_avr_flash_segment.
584
585         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
586         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
587         (*split.flash_segment): New insn-and-split.
588         * config/avr/avr.c (avr_init_builtins): Add local variables:
589         const_memx_void_node, const_memx_ptr_type_node,
590         char_ftype_const_memx_ptr.
591
592 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
593
594         PR tree-optimization/52445
595         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
596         add ssa_name_ver, offset and size fields and change store field
597         to bool.
598         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
599         (add_or_mark_expr): Likewise.  Only consider previous stores
600         with the same size and offset.
601         (nt_init_block): Only look at gimple_assign_single_p stmts,
602         doesn't look at rhs2.
603
604 2012-03-01  Richard Guenther  <rguenther@suse.de>
605
606         PR middle-end/52443
607         * tree-cfg.c (verify_gimple_assign_unary): Allow any
608         conversions from integral types to pointer types.
609
610 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
611
612         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
613         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
614         unintentionally removed in r184616.
615
616 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
617
618         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
619         3DNow from bdver1.
620
621 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
622             Uros Bizjak  <ubizjak@gmail.com>
623
624         PR target/52437
625         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
626         alternatives, add "e" constraint to the new last alternative
627         and ! to last 3 alternatives.
628
629 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
630
631         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
632         DW_AT_artificial attributes at the end of the processing.
633         (gen_array_type_die): Likewise.
634         (gen_enumeration_type_die): Likewise.
635         (gen_struct_or_union_type_die): Likewise.
636         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
637         the parent type.
638
639 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
640
641         PR middle-end/52419
642         * expr.c (expand_assignment): If doing misaligned store that doesn't
643         cover all mode bits, perform a RMW cycle.
644
645         PR tree-optimization/52429
646         * tree-parloops.c (separate_decls_in_region_debug): Return early
647         if var is LABEL_DECL.
648
649 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
650
651         PR tree-optimization/52424
652         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
653         calling dom_thread_across_edge.
654
655 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
656
657         * config/avr/avr.c: Move definition of TARGET macros to end of file.
658
659 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
660
661         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
662         * config/avr/avr.c (avr_output_bld): Remove unused function.
663         (avr_out_sbxx_branch): Use "%T" to print bit position.
664
665 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
666
667         * config/avr/avr.md: Untabify.
668
669 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
670
671         * config/avr/avr.md (eqne): New code iterator.
672         (*dec-and-branchsi): Use it in text peephole's condition.
673         (*dec-and-branchhi): Ditto.
674         (*dec-and-branchqi): Ditto.
675
676 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
677
678         PR target/49939
679         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
680         the device does not have the skip-bug.
681
682 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
683
684         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
685         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
686         -mpretend-cmove): New.
687
688 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
689
690         PR bootstrap/52397
691         * df.h (struct df_d): Adjust comment that hard_regs_live_count
692         doesn't count DEBUG_INSN refs.
693         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
694         for DEBUG_INSN refs.
695
696 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
697
698         Partially revert:
699
700         2012-02-20  Richard Guenther  <rguenther@suse.de>
701         PR tree-optimization/52298
702         * tree-vect-stmts.c (vectorizable_load): Properly use
703         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
704         outer loops.
705
706 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
707
708         PR middle-end/51752
709         * gimple.h (gimple_in_transaction): New.
710         (gimple_set_in_transaction): New.
711         (struct gimple_statement_base): Add in_transaction field.
712         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
713         transaction loads.
714         (tree_ssa_lim_initialize): Compute transaction bits.
715         * tree.h (compute_transaction_bits): Protoize.
716         * trans-mem.c (tm_region_init): Use the heap to store BB
717         auxilliary data.
718         (compute_transaction_bits): New.
719
720 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
721
722         * gcc.c (display_help): Document --help=common and sort entries
723         alphabetically.
724
725 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
726
727         * doc/install.texi: Document check-$LANG specific shortcuts
728
729 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
730
731         PR target/51534
732         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
733         and vcgtu.
734         * config/arm/arm_neon.h: Regenerate.
735         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
736         (neon_vcgeu): New insn.
737         (neon_vcgtu): Likewise.
738         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
739         (ops): Unsigned comparison intrinsics call a different
740         builtin.
741
742 2012-02-28  Richard Guenther  <rguenther@suse.de>
743
744         PR target/52407
745         * config/i386/i386.c (ix86_expand_vector_set): Fix element
746         ordering for the VEC_CONCAT for two element vectors for
747         V2SFmode, V2SImode and V2DImode.
748
749 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
750
751         PR target/49448
752         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
753         detecting big-endian triplets.
754
755 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
756
757         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
758         mode if there is no type information available.
759
760 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
761
762         PR tree-optimization/53207
763         * doc/invoke.texi: Document as experimental and relying on graphite.
764
765 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
766
767         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
768         of initializer to changes from r184614.
769
770 2012-02-28  Richard Guenther  <rguenther@suse.de>
771
772         PR tree-optimization/52395
773         * tree-sra.c (build_ref_for_offset): Also look at the base
774         TYPE_ALIGN when figuring out the alignment of the replacement.
775
776 2012-02-28  Richard Guenther  <rguenther@suse.de>
777
778         PR tree-optimization/52402
779         * ipa-prop.c (ipa_modify_call_arguments): Properly use
780         mis-aligned types when creating the accesses at the call site.
781
782 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
783
784         * config/avr/builtins.def: New file.
785         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
786         * config/avr/avr.c (enum avr_builtin_id): Use it.
787         (avr_init_builtins): Use it. And use avr_bdesc.
788         (bdesc_1arg): Remove.
789         (bdesc_2arg): Remove.
790         (bdesc_3arg): Remove.
791         (struct avr_builtin_description): Add field n_args.
792         (avr_bdesc): New static variable using builtins.def.
793         (avr_expand_builtin): Use it.
794         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
795         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
796         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
797
798 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
799
800         PR target/52148
801         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
802         match only one single hard register with respective hard reg rtx.
803         (movmemx_<mode>): Ditto.
804         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
805         insn anatomy of movmem[x]_<mode>.
806         (avr_out_movmem): Same for printing assembler and operand usage.
807
808 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
809
810         PR target/49868
811         PR target/52261
812         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
813         address spaces located outside of device flash.
814
815         * config/avr/avr.h (base_arch_s): Remove field n_segments.
816         (mcu_type_s): Add field n_flash.
817         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
818         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
819         (AVR_MCU): Add N_FLASH argument.
820         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
821         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
822         macro __FLASH<n> if that address space makes sense for the device.
823         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
824         outside of target flash.
825         (avr_asm_named_section): Ditto.
826         (avr_asm_select_section): Ditto.
827         (avr_addr_space_convert): Ditto.
828         (avr_emit_movmemhi): Ditto.
829         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
830         address space is outside of device flash.
831         (avr_insert_attributes): Ditto.
832         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
833         avr_current_arch->n_segments.
834
835 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
836
837         PR target/52352
838         * config/i386/i386.md (*movabs<mode>_1): Enable only for
839         TARGET_LP64.
840         (*movabs<mode>_2): Likewise.
841
842 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
843
844         PR target/52375
845         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
846         s_register_operand in the test instead of REG_P.  Don't call
847         gen_reg_rtx if it won't be used.
848
849         PR tree-optimization/52376
850         * ipa-split.c (split_function): Ignore CLOBBER stmts.
851
852 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
853
854         * ifcvt.c (noce_get_condition): Check condition variable is not
855         small_register_classes_for_mode_p before accepting.
856
857 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
858
859         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
860
861 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
862
863         Revert:
864         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
865         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
866         tuning parameters.
867         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
868
869 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
870
871         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
872
873 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
874
875         * config/sh/predicates.md: Remove blank lines.
876         * config/sh/sh.c: Fix typos in comments.
877         * config/sh/constraints.md: Likewise.
878         * config/sh/sh.md: Remove blank lines.
879         Fix typos in comments.  Use ;; as comment characters.
880
881 2012-02-26  Walter Lee  <walt@tilera.com>
882
883         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
884         (replace_mov_pcrel_step2): Ditto.
885
886 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
887
888         PR debug/52001
889         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
890         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
891         and locs that reference values newer than the non-canonical value
892         at hand.  Return the canonical value as a worst case.
893         (memrefs_conflict_p): Walk canonical value's locs.
894
895         PR debug/52001
896         * cselib.c (preserve_only_constants): Rename to...
897         (preserve_constants_and_equivs): ... this.  Split out...
898         (invariant_or_equiv_p): ... this.  Preserve plus expressions
899         of other preserved expressions too.
900         (cselib_reset_table): Adjust.
901         * var-tracking.c (reverse_op): Use canonical value to build
902         reverse operation.
903
904 2012-02-23  Kai Tietz  <ktietz@redhat.com>
905
906         * config/i386/i386.c (ix86_delegitimize_address): Handle
907         UNSPEC_PCREL plus displacement.
908
909 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
910
911         PR target/52261
912         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
913         to test for unusedness in st X addressing.
914
915 2012-02-24  Richard Guenther  <rguenther@suse.de>
916
917         PR middle-end/52361
918         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
919         (is_gimple_reg_type): Move inline ...
920         * gimple.h (is_gimple_reg_type): ... here.
921
922 2012-02-24  Richard Guenther  <rguenther@suse.de>
923
924         PR middle-end/52361
925         * passes.c (execute_function_todo): When verifying SSA form
926         verify gimple form first.
927         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
928
929 2012-02-24  Richard Guenther  <rguenther@suse.de>
930
931         PR middle-end/52355
932         * fold-const.c (fold_addr_of_array_ref_difference): New function.
933         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
934
935 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
936
937         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
938
939 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
940
941         * tree-phinodes.c (make_phi_node): Mark static.
942         * tree-flow.h (make_phi_node): Remove extern decl.
943         * doc/gimple.texi (make_phi_node): Remove documentation.
944
945 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
946
947         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
948         * tree-ssa-sccvn.c (print_scc): Ditto.
949
950 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
951
952         * doc/passes.texi (Full redundancy elimination): Fix typo.
953
954 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
955
956         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
957
958 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
959
960         PR bootstrap/52287
961         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
962
963 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
964
965         PR c/52290
966         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
967
968 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
969
970         * config/avr/avr.md (code_stdname): Add ior, xor.
971         (xior): New code iterator.
972         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
973         (*<code_stdname><mode>qi.byte1-3): Ditto.
974
975 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
976
977         PR tree-optimization/52019
978         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
979         CLOBBER stmts.
980
981 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
982
983         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
984         HAVE_INITFINI_ARRAY to work around namespace pollution in
985         certain versions of newlib system headers.
986         * config.in: Regenerate.
987         * configure: Regenerate.
988         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
989         instead of HAVE_INITFINI_ARRAY.
990
991 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
992
993         PR target/52330
994         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
995         is not offsettable memory reference.
996
997 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
998
999         PR target/18145
1000         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1001         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1002
1003 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1004
1005         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1006         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1007
1008 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1009
1010         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1011         library on Solaris 8 even without TLS support.
1012         * configure: Regenerate.
1013
1014 2012-02-22  Richard Guenther  <rguenther@suse.de>
1015
1016         PR middle-end/52329
1017         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1018         for GIMPLE_DEBUG stmts.
1019
1020 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1021
1022         PR middle-end/51782
1023         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1024         according to the base object.
1025
1026 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1027
1028         PR rtl-optimization/50063
1029         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1030         and 2 (8-bit SP) in operand 2.
1031         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1032         setup to use movhi_sp_r instead of vanilla move to write SP.
1033         Adjust REG_CFA notes to superseed unspec.
1034         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1035         of vanilla move.
1036         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1037         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1038         irq_state 1 (IRQ known to be on) here.
1039
1040 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1041
1042         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1043         WORDS_BIG_ENDIAN.
1044         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1045         assign_hard_reg): Likewise.
1046
1047 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1048
1049         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1050
1051 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1052
1053         * config/avr/avr.md
1054         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1055         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1056
1057 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1058
1059         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1060         prototype from here to...
1061         * config/avr/avr.h: ...here.
1062
1063 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1064
1065         PR target/52294
1066         * thumb2.md (thumb2_shiftsi3_short): Split register and
1067         immediate shifts.  For register shifts tie operands 0 and 1.
1068         (peephole2 for above): Check that register-controlled shifts
1069         have suitably tied operands.
1070
1071 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1072
1073         PR target/52137
1074         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1075         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1076         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1077         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1078         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1079         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1080         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1081         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1082         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1083         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1084         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1085         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1086         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1087         bdver1_ssevector_avx256_unaligned_load,
1088         bdver1_ssevector_sse128_unaligned_load,
1089         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1090         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1091         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1092         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1093         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1094         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1095         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1096         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1097         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1098         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1099         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1100         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1101         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1102         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1103         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1104         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1105         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1106         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1107         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1108         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1109         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1110         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1111         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1112         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1113         bdver1_ssediv_double_load, bdver1_ssediv_double,
1114         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1115         Add "bdver2" attribute.
1116
1117 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1118
1119         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1120         default if possible and not specified otherwise.
1121
1122 2012-02-21  Richard Guenther  <rguenther@suse.de>
1123
1124         PR middle-end/52314
1125         * gimplify.c (create_tmp_from_val): Use the main variant type
1126         for the type of the temporary we create.
1127
1128 2012-02-21  Richard Guenther  <rguenther@suse.de>
1129
1130         PR tree-optimization/52324
1131         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1132         do not gimplify a MEM_REF address operand if it is already
1133         in suitable form.
1134
1135 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1136
1137         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1138         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1139
1140 2012-02-21  Richard Guenther  <rguenther@suse.de>
1141
1142         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1143         nested_in_vect_loop.
1144
1145 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR tree-optimization/52318
1148         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1149         vdef also to non-pure/const call stmts in the sequence.
1150
1151 2012-02-20  David S. Miller  <davem@davemloft.net>
1152
1153         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1154         don't use the "rd %pc" instruction on v9 for PIC register loads.
1155
1156 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1157
1158         PR middle-end/52141
1159         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1160         in a transaction safe function.
1161
1162 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1163
1164         PR target/52238
1165         * stor-layout.c (place_field): Handle desired_align for
1166         ms-bitfields, too.
1167
1168 2012-02-20  Richard Guenther  <rguenther@suse.de>
1169
1170         PR tree-optimization/52298
1171         * tree-vect-stmts.c (vectorizable_store): Properly use
1172         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1173         outer loops.
1174         (vectorizable_load): Likewise.
1175         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1176         Access DR_STEP after ensuring it is not NULL.
1177
1178 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1179
1180         PR tree-optimization/52286
1181         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1182         optimization use double_int_to_tree instead of build_int_cst_wide,
1183         rewrite to use double_int vars.
1184
1185 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1186
1187         PR target/50166
1188         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1189         Define _start.
1190         Remove -e 0 from $gcc_cv_ld invocation.
1191         Only use __GLIBC_PREREQ if defined.
1192         Enable on Solaris since Solaris 8 patch.
1193         (gcc_SUN_LD_VERSION): New macro.
1194         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1195         gcc_SUN_LD_VERSION for version number format.
1196         * configure: Regenerate.
1197         * varasm.c (get_elf_initfini_array_priority_section): Set
1198         SECTION_NOTYPE for non-default priority.
1199         Use get_section instead of get_unnamed_section to emit
1200         .init_array/.fini_array with default priority.
1201
1202 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1203
1204         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1205         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1206         (mips_start_unique_function, mips_output_mips16_rdhwr)
1207         (mips_code_end): New functions.
1208         (TARGET_ASM_CODE_END): Define.
1209
1210 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1211
1212         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1213         to stubs with non-sibling calls.
1214
1215 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1216
1217         * doc/invoke.texi (-fira-* options): Copy-edit.
1218         (ira-* parameters): Copy-edit.
1219
1220 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1221
1222         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1223         GCC coding conventions.
1224
1225 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1226
1227         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1228         when used as adjectives.
1229
1230 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1231
1232         * doc/invoke.texi: Clean up "that"/"which" confusion.
1233
1234 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1235
1236         * system.h: Poison SMALL_REGISTER_CLASSES
1237         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1238         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1239
1240 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1241
1242         PR tree-optimization/52285
1243         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1244         when deciding if a call is a tail call or tail recursion.
1245
1246 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1247
1248         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1249         interger-constant displacement for UNSPEC_PCREL.
1250
1251 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1252
1253         PR rtl-optimization/52208
1254         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1255         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1256
1257         PR tree-optimization/52255
1258         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1259         loop->header has virtual PHI, but exit_e->dest doesn't, add
1260         virtual PHI to exit_e->dest and adjust all uses after the loop.
1261
1262         PR debug/52260
1263         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1264         children with clone_tree_hash, not after it.
1265
1266 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1267
1268         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1269         extended identifiers.
1270
1271 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1272
1273         PR middle-end/51929
1274         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1275         a same_body_alias, also test whether e->callee isn't a former
1276         or current clone of the decl this is a same body alias of.
1277
1278         PR translation/52264
1279         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1280
1281 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1282
1283         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1284
1285 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1286
1287         PR target/52199
1288         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1289         force_reg instead of copy_to_reg for better optimization.  Force
1290         non-register or memory operands into a register.
1291
1292 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1293
1294         * extend.texi: Reserve upper bits of memory model for future use.
1295
1296 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1297             Anatoly Sokolov <aesok@post.ru>
1298             Eric Weddington <eric.weddington@atmel.com>
1299
1300         PR target/52261
1301         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1302         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1303         Rewrite initializers for .macro.
1304         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1305         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1306         atxmega32d4, atxmega32x1.
1307         avrxmega4: atxmega64a3, atxmega64d3.
1308         avrxmega5: atxmega64a1, atxmega64a1u.
1309         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1310         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1311         avrxmega7: atxmega128a1, atxmega128a1u.
1312         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1313         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1314         (struct base_arch_s): Rename reserved to xmega_p.
1315         Rename reserved2 to have_rampd.
1316         (AVR_XMEGA): New define.
1317         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1318         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1319         * config/avr/predicates.md (io_address_operand): Take into
1320         account SFR offset.
1321         (low_io_address_operand): Ditto.
1322         (high_io_address_operand): Ditto.
1323         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1324         (enabled, movhi_sp_r): Use them.
1325         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1326         cpp_define_formatted to built-in define __AVR_ARCH__.
1327         (__AVR_XMEGA__): New built-in define.
1328         (__AVR_HAVE_RAMPD__): New built-in define.
1329         (__AVR_HAVE_RAMPX__): New built-in define.
1330         (__AVR_HAVE_RAMPY__): New built-in define.
1331         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1332
1333         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1334         (avr_option_override): Initialize them.
1335         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1336         (avr_init_expanders): Initialize them. No more block several calls.
1337         (emit_push_sfr): New static function.
1338         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1339         Handle AVR_XMEGA.
1340         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1341         (avr_print_operand): Print addreeses as symbols for
1342         RAMPX, RAMPY, RAMPD, CCP.
1343         (output_movhi): Handle AVR_XMEGA when writing to SP.
1344         (avr_out_movhi_mr_r_xmega): New static function.
1345         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1346         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1347         __RAMPD__,  __CCP__ as needed.
1348
1349         * config/avr/multilib.h: Regenerate.
1350         * config/avr/t-multilib: Regenerate.
1351         * config/avr/avr-tables.opt: Regenerate.
1352
1353 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1354
1355         PR tree-optimization/50561
1356         * graphite-flattening.c (lst_project_loop): Do not
1357         remove old scattering dimensions after flattening.
1358         (lst_do_flatten): Likewise.
1359
1360 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1361
1362         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1363         __builtin_avr_map8, __builtin_avr_map16.
1364         Document __builtin_avr_insert_bits.
1365
1366         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1367         (insert_bits): New insn.
1368         (adjust_len.map_bits): Rename to insert_bits.
1369         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1370         * avr-protos.h (avr_out_map_bits): Remove.
1371         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1372         * config/avr/constraints.md (Cxf,C0f): New.
1373         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1374         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1375         New built-in define __BUILTIN_AVR_INSERT_BITS.
1376         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1377         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1378         (avr_move_bits): Rewrite.
1379         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1380         functions.
1381         (avr_map_op_t): New typedef.
1382         (avr_map_op): New static variable.
1383         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1384         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1385         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1386         (bdesc_3arg, avr_expand_triop_builtin): New.
1387         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1388         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1389         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1390         (avr_map_equal_p, avr_map_sig_p): Remove.
1391         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1392         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1393         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1394         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1395         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1396         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1397
1398 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1399
1400         * config/c6x/c6x.md (reserve_cycles): New attribute.
1401         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1402         don't reserve functional units after the branch occurs.
1403
1404 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1405
1406         PR middle-end/52142
1407         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1408         functions into non-tm_pure functions.
1409
1410 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1411
1412         PR lto/52178
1413         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1414         (iterative_hash_canonical_type): Likewise.
1415         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1416         the dead edges.
1417
1418 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1419
1420         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1421         sched-group insn, it either remains alone or the entire list is pruned.
1422
1423 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1424
1425         * doc/install.texi (Prerequisites): Fix grammar.
1426         (Configuration): Likewise.
1427
1428 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1429
1430         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1431         MPC as part of GCC before describing configuring with --with-gmp etc.
1432         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1433         sources are present.
1434
1435 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1436
1437         PR debug/51950
1438         * dwarf2out.c (clone_tree_hash): New function.
1439         (copy_decls_walk): Use it instead of clone_tree.
1440
1441 2012-02-14  Richard Guenther  <rguenther@suse.de>
1442
1443         PR tree-optimization/52244
1444         PR tree-optimization/51528
1445         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1446         replacements for integral types.
1447
1448 2012-02-14  Walter Lee  <walt@tilera.com>
1449
1450         * config.gcc: Handle tilegx and tilepro.
1451         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1452         tilegx and tilepro.
1453         Add HAVE_AS_TLS check for tilegx and tilepro.
1454         * configure: Regenerate.
1455         * doc/contrib.texi: Add Mat Hostetter and self.
1456         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1457         Document instruction intrinsics and network accessing intrinsics.
1458         (TILEPro Built-in Functions): New node.  Document instruction
1459         intrinsics and network accessing intrinsics.
1460         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1461         (Specific, tilepro-*-linux*): Likewise.
1462         * doc/invoke.texi (TILE-Gx Options): New section.
1463         (TILEPro Options): New section.
1464         * doc/md.texi (TILE-Gx): New section.
1465         (TILEPro): New section.
1466         * common/config/tilegx/tilegx-common.c: New file.
1467         * common/config/tilepro/tilepro-common.c: New file.
1468         * config/tilegx/constraints.md: New file.
1469         * config/tilegx/linux.h: New file.
1470         * config/tilegx/mul-tables.c: New file.
1471         * config/tilegx/predicates.md: New file.
1472         * config/tilegx/sync.md: New file.
1473         * config/tilegx/t-tilegx: New file.
1474         * config/tilegx/tilegx-builtins.h: New file.
1475         * config/tilegx/tilegx-c.c: New file.
1476         * config/tilegx/tilegx-generic.md: New file.
1477         * config/tilegx/tilegx-modes.def: New file.
1478         * config/tilegx/tilegx-multiply.h: New file.
1479         * config/tilegx/tilegx-protos.h: New file.
1480         * config/tilegx/tilegx.c: New file.
1481         * config/tilegx/tilegx.h: New file.
1482         * config/tilegx/tilegx.md: New file.
1483         * config/tilegx/tilegx.opt: New file.
1484         * config/tilepro/constraints.md: New file.
1485         * config/tilepro/gen-mul-tables.cc: New file.
1486         * config/tilepro/linux.h: New file.
1487         * config/tilepro/mul-tables.c: New file.
1488         * config/tilepro/predicates.md: New file.
1489         * config/tilepro/t-tilepro: New file.
1490         * config/tilepro/tilepro-builtins.h: New file.
1491         * config/tilepro/tilepro-c.c: New file.
1492         * config/tilepro/tilepro-generic.md: New file.
1493         * config/tilepro/tilepro-modes.def: New file.
1494         * config/tilepro/tilepro-multiply.h: New file.
1495         * config/tilepro/tilepro-protos.h: New file.
1496         * config/tilepro/tilepro.c: New file.
1497         * config/tilepro/tilepro.h: New file.
1498         * config/tilepro/tilepro.md: New file.
1499         * config/tilepro/tilepro.opt: New file.
1500
1501 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1502
1503         PR tree-optimization/52210
1504         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1505         vect_model_simple_cost with two entry vect_def_type array instead
1506         of an address of dt.
1507
1508 2012-02-14  Richard Guenther  <rguenther@suse.de>
1509
1510         PR lto/52178
1511         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1512         Do not stream DECL_QUALIFIER.
1513         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1514         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1515         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1516
1517 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1518
1519         PR c/52181
1520         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1521         newdecl.
1522
1523 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1524
1525         PR bootstrap/52172
1526         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1527         * cselib.c (cselib_subst_to_values_from_insn): New function.
1528         * sched-deps.c (add_insn_mem_dependence,
1529         sched_analyze_1, sched_analyze_2): Use it.
1530
1531 2012-02-13  Jan Hubicka  <jh@suse.cz>
1532
1533         PR middle-end/52214
1534         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1535
1536 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1537
1538         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1539         (GTM_SELF_SPECS): Define if not already defined.
1540         (driver_self_specs): Add GTM_SELF_SPECS.
1541         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1542         (GTM_SELF_SPECS): Define.
1543         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1544         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1545
1546 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1547
1548         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1549         away if seen.
1550
1551         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1552
1553         PR middle-end/52230
1554         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1555         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1556
1557 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1558
1559         PR c/52190
1560         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1561
1562 2012-02-13  Richard Guenther  <rguenther@suse.de>
1563
1564         PR translation/52211
1565         * passes.c (enable_disable_pass): Fix typo.
1566
1567 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1568
1569         PR middle-end/52209
1570         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1571         XOR for reduce_bit_field if type is unsigned.
1572
1573 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1574
1575         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1576         disallow changes from SFmode to mode with different size in FP regs.
1577
1578 2012-02-12  Robert Millan  <rmh@gnu.org>
1579             Gerald Pfeifer <gerald@pfeifer.com>
1580
1581         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1582         Tweak comment.
1583
1584 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1585
1586         PR rtl-optimization/52175
1587         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1588         to frame-related instructions.
1589
1590 2012-02-10  Jason Merrill  <jason@redhat.com>
1591
1592         PR c++/51910
1593         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1594         (demangle_new_symbols): Fill it.
1595         (scan_linker_output): Walk it.
1596         (start_tweaking): Split out from scan_linker_output.
1597         (maybe_tweak): Update sym->chosen.
1598         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1599
1600 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1601
1602         PR debug/52132
1603         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1604
1605 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1606
1607         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1608         having the same mode as previous compare.
1609
1610 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1611
1612         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1613         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1614         (nonlocal_goto_internal): Likewise.
1615         (nonlocal_goto): Emit a use and an indirect jump directly.
1616
1617 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1618
1619         PR c/52190
1620         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1621         __atomic_{is,always}_lock_free.
1622
1623 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1624
1625         PR target/52146
1626         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1627         negative constant address for x32.
1628
1629 2012-02-10  Richard Henderson  <rth@redhat.com>
1630
1631         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1632         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1633         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1634
1635 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1636             Ira Rosen  <irar@il.ibm.com>
1637
1638         PR tree-optimization/50031
1639         * targhooks.c (default_builtin_vectorization_cost): Handle
1640         vec_promote_demote.
1641         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1642         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1643         all types of reduction and pattern statements.
1644         (vect_estimate_min_profitable_iters): Likewise.
1645         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1646         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1647         for explicit realigns.
1648         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1649         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1650         vec_promote_demote.
1651         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1652         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1653         vec_perm for VSX and handle vec_promote_demote.
1654
1655 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1656
1657         PR middle-end/52177
1658         * builtins.c (fold_builtin_atomic_always_lock_free,
1659         expand_builtin_atomic_always_lock_free,
1660         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1661         Return and/or test boolean_true_node/boolean_false_node instead of
1662         integer_one_node/integer_zero_node.
1663
1664 2012-02-10  Jan Hubicka  <jh@suse.cz>
1665
1666         PR middle-end/48600
1667         * predict.c (predict_paths_for_bb): Prevent looping.
1668         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1669
1670 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1671
1672         * config/arm/arm.c (output_move_double): In one case properly
1673         count number of instructions that will be emitted.
1674
1675 2012-02-10  Richard Guenther  <rguenther@suse.de>
1676
1677         PR translation/52193
1678         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1679
1680 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1681
1682         PR middle-end/52140
1683         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1684
1685 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1686
1687         PR debug/52165
1688         * var-tracking.c (emit_note_insn_var_location): If
1689         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1690         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1691         non-NOTE_DURING_CALL_P insn.
1692
1693 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1694
1695         PR middle-end/51867
1696         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1697
1698 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1699
1700         PR driver/48524
1701         * gcc.c (switch_matches) Support switches with separated form,
1702         -D and -U.
1703
1704 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1705
1706         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1707         (SP_ADDR): Ditto.
1708         (RAMPZ_ADDR): Ditto.
1709         * config/avr/avr.c (avr_addr_t): New typedef.
1710         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1711         (avr_init_expanders): Initialize it.
1712         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1713         SREG_ADDR.
1714         (expand_epilogue): Ditto.
1715         (avr_print_operand): Ditto.
1716         (avr_file_start): Ditto.
1717         (avr_emit_movmemhi): Ditto.
1718
1719 2012-02-08  Richard Guenther  <rguenther@suse.de>
1720
1721         PR tree-optimization/46886
1722         * tree-flow.h (do_while_loop_p): Declare.
1723         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1724         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1725
1726 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1727
1728         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1729         always succeed for integers larger than a native word.
1730
1731 2012-02-08  Richard Guenther  <rguenther@suse.de>
1732
1733         PR rtl-optimization/52170
1734         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1735         properly handle integer vector modes.
1736
1737 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1738
1739         PR gcov-profile/52150
1740         * coverage.c: Include target.h.
1741         (build_var): Call targetm.strip_name_encoding on the assembler name.
1742         Change one _ into . or $ if the target allows it.
1743         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1744
1745         PR rtl-optimization/52139
1746         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1747         is a BARRIER after emit_insn_after_noloc, move BB_END
1748         to the last non-BARRIER insn before it.
1749
1750 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1751
1752         PR middle-end/24306
1753         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1754         (mips_gimplify_va_arg_expr): Call it instead of
1755         std_gimplify_va_arg_expr.
1756
1757 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1758
1759         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1760         message for -mno-pointers-to-nested-function.
1761
1762 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1763
1764         PR middle-end/51994
1765         * expr.c (get_inner_reference): If there is an offset, add a negative
1766         bit position to it (if any).
1767
1768 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1769
1770         PR rtl-optimization/52060
1771         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1772         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1773         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1774         and/or i0src_copy2 when needed.
1775
1776 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1777
1778         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1779         or LTOPLUGINSONAME if have_c.
1780
1781         * config/freebsd-spec.h: Add comment about what macros can be defined
1782         in this header.
1783         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1784         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1785         here instead.
1786
1787 2012-02-07  Richard Guenther  <rguenther@suse.de>
1788
1789         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1790         newline in -alias dumps.
1791
1792 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1793             Dave Korn  <dave.korn.cygwin@gmail.com>
1794
1795         PR target/40068
1796         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1797         Take care that typinfo gets dllexport-attribute.
1798
1799 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1800
1801         PR middle-end/52074
1802         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1803         if modifier < EXPAND_SUM call force_operand on the result.
1804
1805 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1806
1807         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1808         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1809         present.
1810         (epiphany_function_type): Replace types for specific interrupts with
1811         EPIPHANY_FUNCTION_INTERRUPT.
1812         (EPIPHANY_INTERRUPT_P): Update.
1813         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1814         New static function.
1815         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1816         <disinterrupt>: Affects type identity.
1817         (epiphany_handle_interrupt_attribute): Handle variable number of
1818         arguments.
1819         (epiphany_compute_function_type): Update for new
1820         epiphany_function_type definition.
1821         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1822         handlers with a longcall forwarder.
1823         (epiphany_start_function): Handle multiple interrupt arguments and/or
1824         forwarder_section attribute.
1825
1826         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1827         libgloss.
1828
1829 2012-02-07  Alan Modra  <amodra@gmail.com>
1830
1831         PR target/52107
1832         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1833         subregs of TFmode.
1834
1835 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1836
1837         PR tree-optimization/50969
1838         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1839         use vec_perm rather than vector_stmt.
1840         (vect_model_load_cost): Likewise.
1841         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1842         vec_perm to be the same as other vector statements.
1843         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1844         cost of vec_perm for TARGET_VSX.
1845
1846 2012-02-06  Richard Guenther  <rguenther@suse.de>
1847
1848         PR tree-optimization/52115
1849         * tree-sra.c (access_has_replacements_p): New function.
1850         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1851
1852 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1853
1854         PR middle-end/52047
1855         * trans-mem.c (expand_call_tm): Add an assertion.
1856         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1857         functions.
1858
1859 2012-02-06  Richard Guenther  <rguenther@suse.de>
1860
1861         PR tree-optimization/50955
1862         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1863         raise cost of expressions that replace an address with an
1864         expression based on a different pointer.
1865
1866 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1867
1868         PR target/52129
1869         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1870         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1871
1872 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1873
1874         PR c++/48680
1875         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1876         -Weffc++ and specify guidelines come from second edition.
1877
1878 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1879
1880         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1881         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1882         (call_direct_split, call_value_split, call_value_internal_direct)
1883         (call_value_direct_split, call_value_multiple_split): Use jal and
1884         jal_macro attributes.
1885
1886 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1887
1888         * reload1.c (reload_regs_reach_end_p): Replace with...
1889         (reload_reg_rtx_reaches_end_p): ...this function.
1890         (new_spill_reg_store): Update commentary.
1891         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1892         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1893         before setting new_spill_reg_store.
1894         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1895         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1896         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1897         for non-spill reload registers.
1898
1899 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1900
1901         PR tree-optimization/52091
1902         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1903         (vect_is_simple_use_1): Likewise.
1904         * tree-vect-loop.c (vectorizable_reduction): Update calls
1905         to vect_is_simple_use_1 and vect_is_simple_use.
1906         (vectorizable_live_operation): Likewise.
1907         * tree-vect-patterns.c (widened_name_p,
1908         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1909         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1910         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1911         vectorizable_shift,vectorizable_operation, vectorizable_store,
1912         vectorizable_load): Likewise.
1913         (vect_is_simple_cond): Add an argument, pass it to
1914         vect_is_simple_use_1.
1915         (vectorizable_condition): Update calls to vect_is_simple_cond,
1916         vect_is_simple_use.
1917         (vect_is_simple_use): Add an argument, the statement in which
1918         OPERAND is used.  Check that if OPERAND's def stmt is a double
1919         reduction phi node, the use is a phi node too.
1920         (vect_is_simple_use_1): Add an argument, pass it to
1921         vect_is_simple_use.
1922         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1923         to vect_is_simple_use.
1924
1925 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1926
1927         PR rtl-optimization/52095
1928         * modulo-sched.c (dump_insn_locator): New function.
1929         (loop_canon_p, sms_schedule): Use it.
1930
1931         PR rtl-optimization/52113
1932         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1933         even for decomposable shift/zext insns.
1934
1935 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1936             Zdenek Dvorak  <ook@ucw.cz>
1937
1938         PR rtl-optimization/52092
1939         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1940         on get_iv_value result.
1941
1942 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1943
1944         PR middle-end/47982
1945         PR middle-end/43967
1946         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1947
1948 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1949
1950         PR middle-end/48071
1951         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1952
1953 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1954
1955         PR rtl-optimization/49800
1956         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1957         (sched_finish): Call regstat_free_n_sets_and_refs.
1958
1959 2012-02-02  Jia Liu  <proljc@gmail.com>
1960
1961         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1962         than operand 2.
1963
1964 2012-02-02  Jan Hubicka  <jh@suse.cz>
1965             Tom de Vries  <tom@codesourcery.com>
1966
1967         PR middle-end/51998
1968         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1969         * varpool.c (varpool_analyze_pending_decls): Likewise.
1970
1971 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1972             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1973
1974         * config.gcc: Add cr16-* support.
1975
1976         * doc/extend.texi: Document cr16 extensions.
1977         * doc/install.texi: Document cr16 install.
1978         * doc/invoke.texi: Document cr16 options.
1979         * doc/md.texi: Document cr16 constraints.
1980
1981         * common/config/cr16/cr16-common.c: New file.
1982         * config/cr16/cr16.c: New file.
1983         * config/cr16/cr16.h: New file.
1984         * config/cr16/cr16.md: New file.
1985         * config/cr16/cr16.opt: New file.
1986         * config/cr16/cr16-protos.h: New file.
1987         * config/cr16/predicates.md: New file.
1988         * config/cr16/constraints.md: New file.
1989         * config/cr16/t-cr16: New file.
1990
1991 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1992
1993         PR target/52086
1994         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1995         that operands[2] is either immediate, or q_regs_operand.
1996
1997         PR tree-optimization/52073
1998         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1999         a pattern stmt for pattern uses, ignore uses outside of the loop.
2000
2001 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2002
2003         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2004         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2005         (OUT_AS1, OUT_AS2): Remove.
2006
2007 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2008
2009         PR rtl-optimization/51374
2010         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2011         to cross other volatile_refs_p insns.
2012
2013 2012-02-01  Richard Guenther  <rguenther@suse.de>
2014
2015         * doc/invoke.texi (fno-inline): Clarify documentation.
2016         (finline-small-functions): Likewise.
2017         (finline-functions): Likewise.
2018         * common.opt (finline): Adjust comment and documentation.
2019         (finline-small-functions): Clarify documentation.
2020         (finline-functions): Likewise.
2021         (finline-functions-called-once): Likewise.
2022
2023 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2024
2025         * c-typeck.c (composite_type): Keep mode for pointers.
2026
2027 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2028
2029         * function.h (regno_reg_rtx): Adjust comment.
2030         * reginfo.c (init_reg_modes_target): Only use the previous mode
2031         if it fits within one register.  Remove MIPS comment.
2032
2033 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR bootstrap/52058
2036         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2037
2038 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2039
2040         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2041         to srak instruction.
2042
2043 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2044
2045         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2046
2047 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2048
2049         PR bootstrap/52041
2050         PR bootstrap/52039
2051         PR target/51974
2052         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2053
2054 2012-01-31  Richard Guenther  <rguenther@suse.de>
2055
2056         PR tree-optimization/51528
2057         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2058         assigns.
2059
2060 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2061
2062         PR bootstrap/52041
2063         PR bootstrap/52039
2064         PR target/51974
2065         * ree.c (add_removable_extension): Change def_map argument
2066         to unsigned *, store in def_map 1 + offset into *insn_list vector
2067         instead of pointers into the vector.
2068         (find_removable_extensions): Adjust caller.
2069
2070 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2071
2072         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2073         Transform all "* quoted-c-code" to { c-code }.
2074         Remove redundant test for "optimize" in combine patterns.
2075         Move (include "avr-dimode.md") to end of file.
2076
2077 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2078
2079         PR target/51835
2080         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2081         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2082
2083 2012-01-30  Richard Guenther  <rguenther@suse.de>
2084
2085         PR tree-optimization/52028
2086         * tree-loop-distribution.c (ldist_gen): Properly update
2087         virtual SSA form.
2088
2089 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2090
2091         PR debug/52027
2092         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2093         set_cur_line_info_table if not emitting debug info.
2094
2095         PR tree-optimization/52046
2096         * tree-vect-patterns.c (check_bool_pattern): Give up if
2097         a comparison could throw.
2098
2099         PR debug/52048
2100         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2101
2102 2012-01-30  Richard Guenther  <rguenther@suse.de>
2103
2104         PR tree-optimization/52045
2105         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2106         SSA form if cfgcleanup did anything.
2107
2108 2012-01-30  Richard Guenther  <rguenther@suse.de>
2109
2110         PR tree-optimization/52045
2111         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2112         before computing final todo.
2113
2114 2012-01-30  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/51528
2117         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2118         for PR51528 fix.
2119
2120 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2121
2122         * df-problems.c (df_kill_notes): Check that the use refers
2123         to the note under examination.
2124
2125 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2126
2127         PR target/51920
2128         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2129         parameter and use short-lived pseudos.
2130         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2131         (sparc_expand_vector_init): Const-ify local variables and adjust
2132         calls to above functions.
2133
2134 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2135
2136         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2137
2138 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2139
2140         * doc/invoke.texi: Make usage of "compile time" and
2141         "run time"/"runtime" consistent throughout the file.
2142
2143 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2144
2145         * config/alpha/alpha.c (alpha_option_override): Default to
2146         full IEEE compliance mode for Go language.
2147
2148 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2149
2150         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2151         (LINK_SSP_SPEC): Define.
2152
2153 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2154
2155         PR target/51871
2156         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2157         stubs.
2158
2159 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2160
2161         * doc/invoke.texi: Correct hyphenation of "floating point",
2162         "double precision", and related terminology throughout the file.
2163
2164 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2165
2166         PR target/52006
2167         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2168         arm_general_register_operand predicate for operand 2 instead of
2169         register_operand.
2170
2171 2012-01-27  Ian Lance Taylor  <iant@google.com>
2172
2173         PR go/47656
2174         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2175         * builtins.c (expand_builtin_init_trampoline): Add onstack
2176         parameter.  Change caller.
2177         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2178         * tree.c (build_common_builtin_nodes): Declare
2179         __builtin_init_heap_trampoline.
2180
2181 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2182
2183         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2184         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2185         * config/avr/avr.c: Ditto.
2186         (avr_regnames): Remove because unused.
2187         * config/avr/avr.md (*cpse.ne): New peephole.
2188         (*cpse.eq): New peephole from former cpse peepholes.
2189
2190 2012-01-27  Michael Eager  <eager@eagercon.com>
2191
2192         * config/microblaze.c (microblaze_emit_compare): Correct
2193         test after pcmp instruction.
2194
2195 2012-01-27  Richard Guenther  <rguenther@suse.de>
2196
2197         PR tree-optimization/52020
2198         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2199
2200 2012-01-27  Richard Guenther  <rguenther@suse.de>
2201
2202         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2203         function non-const/pure.
2204
2205 2012-01-27  Richard Guenther  <rguenther@suse.de>
2206
2207         PR tree-optimization/50444
2208         * tree-sra.c (build_ref_for_offset): Properly adjust the
2209         MEM_REF type for unaligned accesses.
2210
2211 2012-01-27  Richard Guenther  <rguenther@suse.de>
2212
2213         PR tree-optimization/50444
2214         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2215         (expand_assignment): Use it.  Properly handle misaligned
2216         bases when expanding stores to component references.
2217         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2218         refactor that case.
2219
2220 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2221
2222         PR middle-end/51389
2223         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2224         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2225         * tree-data-ref.c (find_data_references_in_loop): Make static.
2226         (compute_all_dependences): Change return type to bool.  Bail out
2227         for too many datarefs in a loop.  Move the hunk resetting the data
2228         dependences vector from ...
2229         (compute_data_dependences_for_loop): ... here.  Account for
2230         compute_all_dependences returning false.
2231         (compute_data_dependences_for_bb): Likewise.
2232         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2233         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2234
2235 2012-01-27  Richard Guenther  <rguenther@suse.de>
2236
2237         PR middle-end/51959
2238         * expr.c (store_field): Use the alias-set of the scratch memory
2239         for storing to it.
2240
2241 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2242
2243         PR tree-optimization/51990
2244         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2245         WITH_SIZE_EXPR.
2246         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2247
2248 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2249
2250         PR debug/52001
2251         * var-tracking.c (reverse_op): Don't add any reverse operation
2252         if V already has any constant locations.
2253
2254 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2255
2256         * doc/invoke.texi: Correct usage of "command line" (noun)
2257         vs "command-line" (adjective) throughout.
2258
2259 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2260
2261         * doc/invoke.texi (Language Independent Options): Move
2262         -Wcoverage-mismatch blurb from here....
2263         (Warning Options): ...to here.
2264
2265 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2266
2267         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2268         Set rs6000_always_hint to false for 476.
2269
2270 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2271
2272         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2273           system root.
2274         * incpath.c (add_standard_paths): Likewise.
2275
2276 2012-01-27  Richard Henderson  <rth@redhat.com>
2277
2278         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2279         * config/m68k/sync.md (atomic_test_and_set): Rename from
2280         sync_test_and_setqi and adjust the operands.
2281         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2282         and unconditionally enable.
2283
2284 2012-01-27  Richard Henderson  <rth@redhat.com>
2285
2286         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2287         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2288         (ldstub): Rename from ldstubqi.
2289         (ldstub<I24MODE>): Remove.
2290
2291 2012-01-27  Richard Henderson  <rth@redhat.com>
2292
2293         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2294         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2295         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2296         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2297         * doc/tm.texi: Rebuild.
2298
2299 2012-01-27  Richard Henderson  <rth@redhat.com>
2300
2301         * optabs.c (gen_atomic_test_and_set): Remove default.
2302         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2303
2304 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR rtl-optimization/51978
2307         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2308         (combine_reaching_defs): Likewise.
2309         (struct re_info): Remove.
2310         (add_removable_extension): Remove x and data arguments,
2311         add insn, insn_list and def_map.  Use the arguments directly
2312         instead of using struct re_info.
2313         (find_removable_extensions): Don't call add_removable_extension
2314         through note_stores, instead just call it with single_set
2315         result if non-NULL.
2316         (find_and_remove_re): Pass curr_cand->expr instead of
2317         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2318
2319 2012-01-26  Michael Matz  <matz@suse.de>
2320
2321         PR tree-optimization/46590
2322         * cfgexpand.c: Revert last change (r183305).
2323         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2324         regs.
2325         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2326         checking for emptiness.
2327
2328 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2329
2330         PR middle-end/51895
2331         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2332         non-addressable non-BLKmode base correctly.
2333
2334 2012-01-26  Michael Matz  <matz@suse.de>
2335
2336         PR tree-optimization/48794
2337         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2338         regions referenced from RESX/EH_DISPATCH.
2339
2340 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2341
2342         * config/s390/s390.h: Make BRANCH_COST an option.
2343         * config/s390/s390.opt: New option -mbranch-cost.
2344
2345 2012-01-26  Richard Henderson  <rth@redhat.com>
2346
2347         Revert 2012-01-24 change:
2348         * trans-mem.c (requires_barrier): Do not instrument thread local
2349         variables and emit save/restore for them.
2350
2351 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2352
2353         PR middle-end/51986
2354         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2355         for pat == 0.
2356
2357 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2358
2359         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2360         ASM_OPERANDS.
2361
2362 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2363
2364         PR target/49868
2365         Rename __pgm to __flash.
2366         Rename __pgm1 to __flash1.
2367         Rename __pgm2 to __flash2.
2368         Rename __pgm3 to __flash3.
2369         Rename __pgm4 to __flash4.
2370         Rename __pgm5 to __flash5.
2371         Rename __pgmx to __memx.
2372         * doc/extend.texi (AVR Named Address Spaces)
2373         Rename address space names as indicated above.
2374         * config/avr/avr.c (avr_addrspace): Ditto.
2375
2376         * config/avr/avr-protos.h
2377         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2378         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2379         * config/avr/predicates.md: Ditto.
2380         * config/avr/avr.c Ditto, and
2381         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2382         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2383
2384         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2385         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2386         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2387         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2388         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2389         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2390         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2391         * config/avr/avr.c: Ditto.
2392         * config/avr/avr.md: Ditto.
2393
2394 2012-01-25  Jason Merrill  <jason@redhat.com>
2395
2396         PR c++/51992
2397         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2398
2399 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2400
2401         PR tree-optimization/51987
2402         * tree-data-ref.c (get_references_in_stmt): Handle references in
2403         non-volatile GIMPLE_ASM.
2404
2405 2012-01-25  Richard Guenther  <rguenther@suse.de>
2406
2407         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2408         bases are dereferenced.
2409
2410 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2411
2412         PR rtl-optimization/48374
2413         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2414
2415 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2416
2417         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2418         compute_data_dependences_for_loop returns false.
2419         * tree-parloops.c (loop_parallel_p): Likewise.
2420
2421 2012-01-25  Richard Guenther  <rguenther@suse.de>
2422
2423         * tree.h (get_pointer_alignment_1): Declare.
2424         * builtins.c (get_pointer_alignment_1): New function.
2425         (get_pointer_alignment): Use it.
2426
2427 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2428
2429         PR rtl-optimization/48308
2430         * combine.c (enum undo_kind): Add UNDO_LINKS.
2431         (struct undo): Add member l to other_contents and where.
2432         (do_SUBST_LINK): New.
2433         (SUBST_LINK): New.
2434         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2435         (undo_all): Handle UNDO_LINKS.
2436
2437 2012-01-25  Richard Henderson  <rth@redhat.com>
2438
2439         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2440         mem inputs.
2441
2442 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2443
2444         * optabs.c (gen_atomic_test_and_set): Use each argument.
2445
2446 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2447
2448         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2449         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2450         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2451         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2452         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2453         TARGET_PAIRED_SINGLE_FLOAT.
2454
2455 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2456
2457         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2458         (in_struct, return_val): Remove MEM documentation.
2459         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2460         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2461         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2462         and MEM_SCALAR.
2463         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2464         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2465         * expr.c (store_field): Likewise.
2466         * function.c (assign_stack_temp_for_type): Likewise.
2467         * ifcvt.c (noce_try_cmove_arith): Likewise.
2468         * reload1.c (reload): Likewise.
2469         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2470         (alpha_set_memflags): Likewise.
2471         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2472
2473 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2474
2475         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2476         parameter.
2477         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2478         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2479         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2480         varies parameter.
2481         * cselib.c (cselib_rtx_varies_p): Delete.
2482         (cselib_invalidate_mem): Update call to canon_true_dependence.
2483         * dse.c (record_store, check_mem_read_rtx): Likewise.
2484         (scan_reads_nospill): Likewise.
2485         * cse.c (check_dependence): Likewise.
2486         (cse_rtx_varies_p): Delete.
2487         * expr.c (safe_from_p): Update call to true_dependence.
2488         * ira.c (validate_equiv_mem_from_store): Likewise.
2489         (memref_referenced_p): Likewise.
2490         * postreload-gcse.c (find_mem_conflicts): Likewise.
2491         * sched-deps.c (sched_analyze_2): Likewise.
2492         * store-motion.c (load_kills_store): Likewise.
2493         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2494         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2495         (compute_transp): Update call to canon_true_dependence.
2496
2497 2012-01-25  Richard Henderson  <rth@redhat.com>
2498
2499         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2500         (maybe_emit_atomic_test_and_set): New.
2501         (expand_sync_lock_test_and_set): Use it.
2502         (expand_atomic_test_and_set): Likewise.
2503         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2504         the implementation; clarify implementation defined details.
2505         * doc/md.texi (atomic_test_and_set): Document.
2506
2507 2012-01-25  Richard Henderson  <rth@redhat.com>
2508
2509         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2510
2511 2012-01-25  Richard Henderson  <rth@redhat.com>
2512
2513         PR target/51968
2514         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2515         to effect no-op split.
2516
2517 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2518
2519         PR lto/51698
2520         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2521         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2522         (BT_FN_VOID_PTR_INT_SIZE): New.
2523         (BT_FN_UINT_UINT_VAR): Remove.
2524         (BT_FN_UINT32_UINT32_VAR): New.
2525         (BT_FN_DOUBLE_VPTR): Remove.
2526         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2527
2528         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2529         (_ITM_changeTransactionMode): Same.
2530         (_ITM_memmoveRtWt): Change return type to void.
2531         (_ITM_memcpyRtWt): Same.
2532         (_ITM_memsetW): Same.
2533         (_ITM_RaRD): Change types to double.
2534         (_ITM_RD): Same.
2535         (_ITM_RaWD): Same.
2536         (_ITM_RfWD): Same.
2537
2538         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2539
2540 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2541             Patrick Marlier  <patrick.marlier@gmail.com>
2542
2543         * trans-mem.c (requires_barrier): Do not instrument thread local
2544         variables and emit save/restore for them.
2545
2546 2012-01-24  Jason Merrill  <jason@redhat.com>
2547
2548         PR c++/51812
2549         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2550         output static aliases.
2551
2552 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2553
2554         PR driver/47249
2555         * common.opt (-pie, -shared, pie, shared): Change from Common to
2556         Driver.
2557         * gcc.c (display_help): Display help for -pie and -shared.
2558
2559 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2560
2561         PR target/49868
2562         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2563         Remove note on size/offset limitation.
2564         (AVR Variable Attributes): Add example how to read data located
2565         with progmem.  Refer to named address spaces.
2566         * doc/invoke.texi (AVR Options): Fix typo.
2567
2568 2012-01-24  Richard Guenther  <rguenther@suse.de>
2569
2570         Forward-port to trunk
2571         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2572
2573         PR middle-end/45678
2574         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2575         op0 isn't sufficiently aligned and there is movmisalignM
2576         insn for mode, use it to load op0 into a temporary register.
2577
2578 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2579
2580         PR target/51957
2581         * target.def (const_not_ok_for_debug_p): New hook.
2582         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2583         documentation.
2584         * doc/tm.texi: Regenerated.
2585         * dwarf2out.c (const_ok_for_output_1): If
2586         targetm.const_not_ok_for_debug_p returns true, fail.
2587         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2588         function.
2589         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2590
2591 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2592
2593         PR target/51900
2594         * config/i386/predicates.md (symbolic_operand): Allow
2595         UNSPEC_PCREL as PIC expression for lea.
2596         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2597         * config/i386/i386.c (ix86_delegitimize_address): Handle
2598         UNSPEC_PCREL for none-MEM, too.
2599
2600 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2601
2602         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2603         (ipa_tm_create_version_alias): Same.
2604
2605 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2606
2607         PR libitm/51830
2608         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2609         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2610
2611 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2612             Patrick Marlier  <patrick.marlier@gmail.com>
2613             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2614
2615         PR lto/51916
2616         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2617         simple_object_start_read.
2618
2619 2012-01-23  Richard Guenther  <rguenther@suse.de>
2620
2621
2622         PR tree-optimization/51895
2623         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2624         parameter decomposition into BLKmode components.
2625
2626 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2627
2628         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2629         fake variables for restrict-qualified pointers whose pointed-to type
2630         contains a placeholder.
2631
2632 2012-01-23  Richard Guenther  <rguenther@suse.de>
2633
2634         PR tree-optimization/51949
2635         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2636
2637 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2638
2639         PR rtl-optimization/51933
2640         * ree.c (transform_ifelse): Return true right away if dstreg is
2641         already wider or equal to cand->mode.
2642         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2643         (make_defs_and_copies_lists): Remove defs_list and copies_list
2644         arguments, add state argument, just truncate state->work_list
2645         instead of always allocating and freeing the vector.  Assert that
2646         get_defs succeeds instead of returning 2.  Changed return type to bool.
2647         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2648         have ext_src_mode, see if it has been modified already with the
2649         right kind of extension and has been extended before from the
2650         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2651         just return true.  Remember the original mode in state->modified array.
2652         (combine_reaching_defs): Add state argument.  Don't allocate and
2653         free here def_list, copied_list and vec vectors, instead just
2654         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2655         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2656         Add state variable, clear vectors in it, initialize state.modified
2657         if needed.  Free all the vectors at the end and state.modified too.
2658         Don't skip a candidate if the extension expression has been modified.
2659
2660 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2661
2662         PR target/47096
2663         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2664          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2665         (extra_options) interix.opt -> i386/interix.opt"
2666         (extra_objs):Add winnt-stubs.o
2667         * configure.ac: Add interix to target_os .comm on PE check.
2668         * configure: Regenerate.
2669         * config/interix3.h: Delete and move bits to..
2670         * config/interix.h: Delete and move bits to..
2671         * config/i386/i386-interix3.h: Delete and move bits to..
2672         * config/i386/i386-interix.h: ..here.
2673         (TARGET_CPU_DEFAULT): Remove redefinition.
2674         (TARGET_ASM_CONSTRUCTOR): Undefine.
2675         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2676         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2677         (PTRDIFF_TYPE): Define.
2678         (LONG_DOUBLE_TYPE_SIZE): Define.
2679         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2680         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2681         (TARGET_SECTION_TYPE_FLAGS): Define.
2682         (ASM_DECLARE_FUNCTION_NAME): Define.
2683         (ASM_OUTPUT_EXTERNAL): Define.
2684         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2685         (ASM_OUTPUT_ALIGNED_BSS): Define.
2686         (PCC_BITFIELD_TYPE_MATTERS): Define.
2687         (USE_CONST_SECTION): Define.
2688         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2689         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2690         (SUPPORTS_ONE_ONLY): Remove.
2691         (I386_PE_STRIP_ENCODING): Define.
2692         * config/interix.opt: Delete and move bits to..
2693         * config/i386/interix.opt: ..here. New.
2694         (mpe-aligned-commons): Add.
2695         * config/i386/t-interix: Add copyright header.
2696         (winnt-stubs.o): Add rule.
2697
2698 2012-01-22  Jason Merrill  <jason@redhat.com>
2699
2700         PR c++/51832
2701         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2702         for extra name aliases.
2703
2704 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2705
2706         PR rtl-optimization/51924
2707         * ree.c (combine_set_extension): Improve debugging message.
2708         (combine_reaching_defs): Likewise.
2709         (get_defs): Rename confusingly named variable.
2710         (find_and_remove_re): Skip a candidate if the extension expression has
2711         been modified.
2712
2713 2012-01-21  Robert Millan  <rmh@gnu.org>
2714             Gerald Pfeifer  <gerald@pfeifer.com>
2715
2716         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2717         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2718
2719 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2720
2721         PR tree-optimization/51914
2722         * tree-vect-stmts.c (vectorizable_conversion): For
2723         cvt_type && modifier == WIDEN, put temporary with cvt_type
2724         at the beginning of vec_dsts and set vec_dest to temporary
2725         with vectype_out.
2726
2727 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2728
2729         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2730
2731 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2732
2733         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2734         * config/rs6000/rs6000.c: Likewise.
2735
2736 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2737
2738         PR target/51915
2739         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2740         output_move_double on a copy of operands array.
2741
2742 2012-01-20  Cary Coutant  <ccoutant@google.com>
2743             Dodji Seketeli  <dodji@redhat.com>
2744
2745         PR debug/45682
2746         * dwarf2out.c (copy_declaration_context): Return ref to parent
2747         of declaration DIE, if necessary.
2748         (remove_child_or_replace_with_skeleton): Add new parameter; update
2749         caller.  Place skeleton DIE under parent DIE of original declaration.
2750         Move call to copy_declaration_context to here ...
2751         (break_out_comdat_types): ... from here.
2752
2753 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2754
2755         PR rtl-optimization/51856
2756         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2757         flag to reloaded.
2758
2759 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2760
2761         PR target/51819
2762         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2763         hints for neon loads and stores.
2764
2765 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2766
2767         PR target/49868
2768         PR target/50887
2769         * doc/extend.texi (Named Address Spaces): Split into subsections.
2770         (AVR Named Address Spaces): New subsection.
2771         (M32C Named Address Spaces): New subsection.
2772         (RL78 Named Address Spaces): New subsection.
2773         (SPU Named Address Spaces): New subsection.
2774         (Variable Attributes): New anchor "AVR Variable Attributes".
2775         (AVR Variable Attributes): Rewrite and avoid wording
2776         "address space" in this context.
2777         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2778         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2779         (AVR Built-in Macros): New subsubsection therein.
2780         * doc/md.texi (AVR constraints): Remove "C04", "R".
2781
2782 2012-01-20  Richard Guenther  <rguenther@suse.de>
2783
2784         PR tree-optimization/51903
2785         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2786         when removing stmts.
2787
2788 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2789
2790         PR target/50313
2791         * config/arm/arm.c (arm_load_pic_register): Use
2792         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2793         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2794         (arm_pic_static_addr): Likewise.
2795         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2796         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2797         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2798         (pic_load_addr_unified): New.
2799
2800 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2801
2802         PR target/51106
2803         * function.c (instantiate_virtual_regs_in_insn): Use
2804         delete_insn_and_edges when removing a wrong asm insn.
2805
2806 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2807
2808         PR rtl-optimization/40761
2809         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2810         Add new member loop_num.
2811         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2812         (ira_build): Remove the parameter.
2813
2814         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2815         (ira.c): Do not build CFG loops for one region allocation.  Remove
2816         argument from ira_build call.
2817
2818         * ira-build.c (init_loop_tree_node): New function.
2819         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2820         loops are not built.
2821         (more_one_region_p): Check current_loops.
2822         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2823         built.
2824         (add_loop_to_tree): Process loop equal to NULL too.
2825         (form_loop_tree): Separate the case when CFG loops are not built.
2826         Use explicitly number for the root.
2827         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2828         an assertion.
2829         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2830         instead of loop->num.
2831         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2832         (mark_all_loops_for_removal): Ditto.
2833         (remove_unnecessary_regions): Separate the case when CFG loops
2834         are not built.
2835         (ira_build): Remove the parameter.  Use explicit number of regions
2836         when CFG loops are not built.
2837
2838         * ira-color.c (print_loop_title): Separate the case for the root node.
2839         Use loop_num instead of loop->num.
2840         (move_spill_restore): Use loop_num instead of loop->num.
2841
2842         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2843         (change_loop): Ditto.
2844         (change_loop): Use loop_num instead of loop->num.
2845
2846         * ira-lives.c (process_bb_node_lives): Ditto.
2847
2848         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2849
2850         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2851
2852 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2853
2854         PR libmudflap/40778
2855         * tree-mudflap.c (mf_artificial): New function.
2856         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2857         mx_register_decls, mudflap_enqueue_decl): Use it.
2858
2859         PR target/51876
2860         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2861         numbers in the insn pattern.
2862
2863 2012-01-19  Michael Matz  <matz@suse.de>
2864
2865         PR tree-optimization/46590
2866         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2867         use it in remembering which conflicts we already created.
2868         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2869         bitmap.
2870
2871 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2872
2873         PR lto/51280
2874         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2875         (merge_and_complain): Same.
2876
2877 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2878
2879         PR bootstrap/50237
2880         * config/initfini-array.h: Guard content of the header
2881         with #ifdef HAVE_INITFINI_ARRAY.
2882         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2883         Add initfini-array.h to tm_file here.
2884         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2885         * config.gcc: Don't add initfini-array.h to tm_file here.
2886         * configure: Regenerated.
2887
2888 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2889
2890         PR rtl-optimization/51505
2891         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2892         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2893         (df_note_bb_compute): Update the call to df_kill_notes.
2894
2895 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2896
2897         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2898
2899 2012-01-18  Richard Guenther  <rguenther@suse.de>
2900
2901         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2902         of conversions to void *.
2903
2904 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2905             Richard Sandiford  <rdsandiford@googlemail.com>
2906
2907         PR middle-end/50325
2908         PR middle-end/51192
2909         * optabs.h (simplify_expand_binop): Declare.
2910         * optabs.c (simplify_expand_binop): Make global.
2911         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2912         endian targets if the source cannot be exactly covered by word
2913         mode chunks.
2914
2915 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2916
2917         PR bootstrap/51872
2918         * hard-reg-set.h (struct hard_reg_set_container): New type.
2919         * target.h (struct hard_reg_set_container): Forward declare.
2920         * target.def (set_up_by_prologue): New target hook.
2921         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2922         * doc/tm.texi: Regenerated.
2923         * function.c (thread_prologue_and_epilogue_insns): Change
2924         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2925         Call targetm.set_up_by_prologue on it.
2926         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2927         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2928
2929 2012-01-17  Nick Clifton  <nickc@redhat.com>
2930
2931         * config/rx/rx.c (rx_can_use_simple_return): New function.
2932         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2933         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2934
2935 2012-01-17  Richard Guenther  <rguenther@suse.de>
2936
2937         PR middle-end/51782
2938         * expr.c (expand_assignment): Take address-space information
2939         from the address operand of MEM_REF and TARGET_MEM_REF.
2940         (expand_expr_real_1): Likewise.
2941
2942 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2943
2944         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2945         reload dump is requested.
2946
2947 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2948
2949         PR other/51165
2950         * trans-mem.c (requires_barrier): Call may_be_aliased.
2951
2952 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2953
2954         PR tree-optimization/51877
2955         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2956         call arguments and fndecls compare equal, instead return false if they
2957         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2958         both SSA_NAMEs that are valueized the same, or they satisfy
2959         operand_equal_p.
2960
2961 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2962
2963         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2964         Solaris 11+.
2965         * configure: Regenerate.
2966
2967 2012-01-16  Jan Hubicka  <jh@suse.cz>
2968
2969         PR c/12245
2970         PR c++/14179
2971         * convert.c (convert_to_integer): Use fold_convert for
2972         converting an INTEGER_CST to integer type.
2973
2974 2012-01-16  Jason Merrill  <jason@redhat.com>
2975
2976         PR c++/14179
2977         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2978
2979 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2980
2981         PR bootstrap/51860
2982         * config/s390/s390.c (s390_chunkify_start): Don't skip
2983         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2984         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2985         If insn is followed by NOTE_INSN_VAR_LOCATION or
2986         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2987         Don't use location of note insns.
2988
2989         PR tree-optimization/51865
2990         * tree-inline.c (tree_function_versioning): Call remap_decl
2991         on DECL_RESULT whenever it has VOID_TYPE_P type.
2992
2993 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2994
2995         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2996         for calls to locally-binding MIPS16 functions if only the return
2997         type uses float regs.
2998
2999 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3000             Richard Sandiford  <rdsandiford@googlemail.com>
3001
3002         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3003         (SYMBOL_32_HIGH): Likewise.
3004         (mips_output_tls_reloc_directive): Declare.
3005         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3006         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3007         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3008         (mips_lo_relocs, mips_hi_relocs): Make extern.
3009         (mips16_stub_function): Move up file.
3010         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3011         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3012         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3013         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3014         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3015         (mips_get_tp): Add MIPS16 support.
3016         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3017         Generalize DTPREL and TPREL handling.
3018         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3019         Add MIPS16 TLS support.
3020         (mips_output_tls_reloc_directive): New function.
3021         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3022         * config/mips/predicates.md (symbolic_operand_with_high)
3023         (tls_reloc_operand): New predicates.
3024         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3025         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3026         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3027         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3028         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3029         (*tls_get_tp_mips16_call_<mode>): Likewise.
3030
3031 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3032
3033         PR rtl-optimization/51821
3034         * recog.c (peep2_find_free_register): Determine clobbered registers
3035         from insn pattern.
3036
3037 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3038
3039         PR target/50925
3040         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3041         * config/avr/avr.c: Likewise.
3042         * config/avr/avr.h: Likewise.
3043
3044 2012-01-13  Ian Lance Taylor  <iant@google.com>
3045
3046         PR c++/50012
3047         * tree.h (TYPE_QUALS): Add cast to int.
3048         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3049
3050 2012-01-13  Ian Lance Taylor  <iant@google.com>
3051
3052         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3053         comparing param_index to VEC_length result.
3054
3055 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3056
3057         * c-decl.c: Do not include tree-mudflap.h
3058         * tree-optimize.c: Likewise.
3059         * Makefile.in: Update dependencies.
3060
3061 2012-01-13  Richard Guenther  <rguenther@suse.de>
3062
3063         PR middle-end/8081
3064         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3065         variable-sized result always use RSO.
3066
3067 2012-01-12  DJ Delorie  <dj@redhat.com>
3068
3069         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3070         pointer type, not just the default pointer type.
3071
3072 2012-01-09  Richard Henderson  <rth@redhat.com>
3073             Denis Chertykov  <chertykov@gmail.com>
3074
3075         PR target/50925
3076         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3077         * config/avr/avr.c (avr_can_eliminate): Simplify.
3078         (avr_initial_elimination_offset): Likewise.
3079         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3080         (expand_epilogue): Likewise.
3081         (avr_legitimize_address): Gut.
3082         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3083         (avr_hard_regno_nregs): New.
3084         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3085         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3086         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3087         add soft frame pointer.
3088         (CALL_USED_REGISTERS): Likewise.
3089         (REG_CLASS_CONTENTS): Likewise.
3090         (REGISTER_NAMES): Likewise.
3091         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3092         (HARD_FRAME_POINTER_REGNUM): New.
3093         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3094         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3095         remove the HARD_FRAME_POINTER self-elimination.
3096
3097 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3098
3099         PR target/51756
3100         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3101         DECL_EXTERNAL when checking for initializers of progmem variables.
3102
3103 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3104
3105         PR tree-optimization/51799
3106         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3107         that the last operation is a type demotion.
3108
3109 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3110
3111         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3112         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3113
3114 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3115
3116         PR bootstrap/51796
3117         * combine.c (distribute_notes): If i3 is a noreturn call,
3118         allow old_size to be equal to args_size and make sure the
3119         noreturn call gets REG_ARGS_SIZE note.
3120         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3121         on noreturn calls even when the delta is 0.
3122
3123 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3124
3125         * gcov.c (STRING_SIZE): Remove.
3126         (generate_results): Erase annotations for source files with no
3127         coverage information.
3128         (read_line): New.
3129         (output_lines): Use it.
3130
3131 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3132
3133         * gimple.h (gimplify_body): Remove first argument.
3134         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3135         pointer set here, instead just pass DATA to walk_tree.
3136         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3137         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3138         (unvisit_body): Likewise, but with unmark_visited.
3139         (gimplify_body): Remove BODY_P argument and adjust.
3140         (gimplify_function_tree): Adjust call to gimplify_body.
3141         * omp-low.c (finalize_task_copyfn): Likewise.
3142
3143 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3144
3145         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3146         (build_function_type_skip_args): Delete.
3147         * tree.c (build_function_type_skip_args): Make static and add
3148         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3149         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3150         pass it to build_function_type_skip_args.
3151         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3152         (tree_function_versioning): Likewise.
3153         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3154         build_function_decl_skip_args.
3155         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3156         and pass it to build_function_decl_skip_args/tree_function_versioning.
3157         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3158         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3159         * trans-mem.c (ipa_tm_create_version): Likewise.
3160         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3161         * tree-inline.c (declare_return_variable): Remove always-true test.
3162         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3163         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3164         * ipa-split.c (split_function): Skip the return value for the split
3165         part if it doesn't return.
3166
3167 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3168
3169         PR tree-optimization/49642
3170         * ipa-split.c (forbidden_dominators): New variable.
3171         (check_forbidden_calls): New function.
3172         (dominated_by_forbidden): Likewise.
3173         (consider_split): Check for forbidden dominators.
3174         (execute_split_functions): Initialize and free forbidden
3175         dominators info; call check_forbidden_calls.
3176
3177 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3178
3179         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3180
3181 2012-01-11  Nick Clifton  <nickc@redhat.com>
3182
3183         * config/rx/rx.md (return): Define pattern.
3184
3185 2012-01-11  Richard Guenther  <rguenther@suse.de>
3186
3187         * doc/extend.texi (malloc attribute): Adjust according to
3188         implementation.
3189
3190 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3191             Patrick Marlier  <patrick.marlier@gmail.com>
3192
3193         PR middle-end/51516
3194         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3195         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3196         (ipa_tm_note_irrevocable): Same.
3197         (ipa_tm_scan_irr_block): Same.
3198         (ipa_tm_decrement_clone_counts): Same.
3199         (ipa_tm_scan_irr_function): Same.
3200         (ipa_tm_create_version_alias): Same.
3201         (ipa_tm_create_version): Same.
3202         (ipa_tm_transform_calls_redirect): Same.
3203         (ipa_tm_transform_calls): Same.
3204         (ipa_tm_transform_transaction): Same.
3205         (ipa_tm_execute): Same.
3206
3207 2012-01-10  Richard Guenther  <rguenther@suse.de>
3208
3209         PR middle-end/51806
3210         * opts.c (common_handle_option): Handle -Werror.
3211
3212 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3213
3214         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3215         operand number.
3216
3217 2012-01-10  Jason Merrill  <jason@redhat.com>
3218
3219         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3220         information.
3221
3222 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3223
3224         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3225         supports R_386_TLS_GD_PLT reloc.
3226         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3227         supports R_386_TLS_LDM_PLT reloc.
3228         * configure: Regenerate.
3229         * config.in: Regenerate.
3230
3231 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3232
3233         PR target/49868
3234         Extend __pgmx semantics to linearize memory.
3235         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3236         determine if code comes inline or from libgcc.
3237         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3238         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3239         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3240         (movmemx_qi, movmemx_hi): New insns.
3241         (xload_<mode>_libgcc): Rewrite to new insn condition.
3242         (xload_<mode>): Remove insns.
3243         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3244         cases that don't satisfy avr_xload_libgcc_p().
3245         (avr_addr_space_convert): Allow converting in any direction.
3246         (avr_addr_space_subset_p): Return always true.
3247         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3248         (avr_emit_movmemhi): Ditto.
3249         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3250         (avr_out_movmem): Ditto.
3251         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3252         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3253         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3254         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3255         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3256
3257 2012-01-10  Richard Guenther  <rguenther@suse.de>
3258
3259         PR tree-optimization/50913
3260         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3261         Require data-refs to be representable by Graphite with respect
3262         to any loop nest.
3263
3264 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3265
3266         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3267         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3268
3269 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3270
3271         PR rtl-optimization/51271
3272         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3273         handling annulled branch.
3274
3275 2012-01-10  Richard Henderson  <rth@redhat.com>
3276
3277         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3278         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3279         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3280         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3281         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3282         arm_expand_vec_perm_const): New.
3283         * config/arm/arm-protos.h: Update.
3284         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3285         (*neon_vswp<VDQX>): New.
3286         (neon_vcombine<VDX>): Use neon_split_vcombine.
3287         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3288         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3289         (vec_perm<VE>): New.
3290
3291 2012-01-10  Richard Henderson  <rth@redhat.com>
3292
3293         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3294         use it if reload_completed.
3295         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3296         arm_output_asm_insn, arm_process_output_memory_barrier,
3297         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3298         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3299         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3300         arm_process_output_sync_insn, arm_output_sync_insn,
3301         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3302         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3303         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3304         (emit_unlikely_jump): New.
3305         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3306         (arm_split_atomic_op): New.
3307         * config/arm/arm-protos.h: Update.
3308         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3309         (struct arm_sync_generator): Remove.
3310         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3311         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3312         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3313         (VUNSPEC_LL, VUNSPEC_SC): New.
3314         (sync_result, sync_memory, sync_required_value, sync_new_value,
3315         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3316         (attr length): Don't use arm_sync_loop_insns.
3317         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3318         (movsfcc, movdfcc): Likewise.
3319         * config/arm/constraints.md (Ua): New.
3320         * config/arm/prediates.md (mem_noofs_operand): New.
3321         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3322         (sync_clobber, sync_t2_reqd): Remove.
3323         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3324         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3325         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3326         (arm_sync_compare_and_swap<SIDI>): Remove.
3327         (arm_sync_compare_and_swap<NARROW>): Remove.
3328         (arm_sync_lock_test_and_set<SIDI>): Remove.
3329         (arm_sync_lock_test_and_set<NARROW>): Remove.
3330         (arm_sync_new_<syncop><SIDI>): Remove.
3331         (arm_sync_new_<syncop><NARROW>): Remove.
3332         (arm_sync_new_nand<SIDI>): Remove.
3333         (arm_sync_new_nand<NARROW>): Remove.
3334         (arm_sync_old_<syncop><SIDI>): Remove.
3335         (arm_sync_old_<syncop><NARROW>): Remove.
3336         (arm_sync_old_nand<SIDI>): Remove.
3337         (arm_sync_old_nand<NARROW>): Remove.
3338         (*memory_barrier): Merge arm_output_memory_barrier.
3339         (atomic_compare_and_swap<QHSD>): New.
3340         (atomic_compare_and_swap<NARROW>_1): New.
3341         (atomic_compare_and_swap<SIDI>_1): New.
3342         (atomic_exchange<QHSD>): New.
3343         (cas_cmp_operand, cas_cmp_str): New.
3344         (atomic_op_operand, atomic_op_str): New.
3345         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3346         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3347         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3348         (arm_load_exclusive<NARROW>): New.
3349         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3350         (arm_store_exclusive<QHSD>): New.
3351
3352 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3353
3354         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3355         reload patterns if -mvsx-scalar-memory.
3356
3357         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3358         generated, even -mno-vsx-scalar-double was used.
3359         (vsx_xscvdpsp_scalar): Likewise.
3360         (vsx_xscvspdp_scalar2): Likewise.
3361
3362 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3363             Andrew Pinski  <apinski@cavium.com>
3364
3365         PR debug/51471
3366         * reorg.c (fill_slots_from_thread): Don't speculate
3367         frame-related insns.
3368
3369 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3370
3371         * sched-int.h (bb_note): Move to...
3372         * basic-block.h: ...here.
3373         * haifa-sched.c (bb_note): Move to...
3374         * cfgrtl.c: ...here.
3375         * function.c (next_block_for_reg): New function.
3376         (move_insn_for_shrink_wrap): Likewise.
3377         (prepare_shrink_wrap): Rewrite to use the above.
3378
3379 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3380
3381         * gimple.c (is_gimple_non_addressable): Remove.
3382         * gimple.h: Remove is_gimple_non_addressable.
3383         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3384         is_gimple_non_addressable.
3385         * trans-mem.c (expand_assign_tm): Same.
3386
3387 2012-01-09  Richard Guenther  <rguenther@suse.de>
3388
3389         PR tree-optimization/51775
3390         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3391         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3392
3393 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3394
3395         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3396         tuning parameters.
3397         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3398
3399 2012-01-09  Richard Guenther  <rguenther@suse.de>
3400
3401         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3402
3403 2012-01-08  Jan Hubicka  <jh@suse.cz>
3404
3405         PR tree-optimize/51680
3406         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3407         on when known_vals needs to be computed; cleanup.
3408
3409 2012-01-08  Jan Hubicka  <jh@suse.cz>
3410
3411         PR tree-optimize/51694
3412         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3413
3414 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3415
3416         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3417         for -std=c++98 and -std=c++11 too.
3418
3419 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3420
3421         * cfgloop.c (cancel_loop): Add free() of bbs array.
3422
3423 2012-01-07  Jan Hubicka  <jh@suse.cz>
3424
3425         PR tree-optimization/51600
3426         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3427         that benefits small functions.
3428
3429 2012-01-07  Jan Hubicka  <jh@suse.cz>
3430
3431         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3432
3433 2012-01-07  Jan Hubicka  <jh@suse.cz>
3434
3435         PR tree-optimization/51680
3436         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3437         whose inlining reduce unit size.
3438
3439 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3440
3441         PR bootstrap/51725
3442         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3443         Add canonical node to containing_mem chain after the non-canonical
3444         one, even if there weren't any locs to propagate.
3445         (remove_useless_values): Keep only canonical values.
3446         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3447         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3448         canonicalize mem_chain elements that are not discarded.
3449
3450 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3451
3452         PR target/47333
3453         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3454         before emitting functions.
3455
3456         PR gcov-profile/50127
3457         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3458         clear_aux_for_blocks.
3459
3460 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3461
3462         PR debug/51746
3463         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3464
3465 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3466
3467         * c-decl.c (ext_block): Moved up.
3468         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3469
3470 2012-01-06  Han Shen  <shenhan@google.com>
3471
3472         Translate built-in include paths for sysroot.
3473         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3474         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3475
3476         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3477         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3478
3479         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3480         control whether sysroot should be prepended to gxx include dir.
3481
3482         * configure: Regenerate.
3483
3484 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3485
3486         PR rtl-optimization/51771
3487         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3488         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3489
3490 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3491
3492         PR tree-optimization/51315
3493         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3494         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3495
3496 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3497
3498         PR target/51681
3499         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3500         for shrp pattern.  Correctly handle and fixup shift variable.
3501         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3502
3503 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3504
3505         PR debug/51762