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