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2012-04-13 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-13  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/52969
4         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
5         the condition for the COND_EXPR and handle predicate negation
6         by swapping the COND_EXPR arms.
7
8 2012-04-13  Richard Guenther  <rguenther@suse.de>
9
10         PR c/52862
11         * convert.c (convert_to_pointer): Remove special-casing of
12         zero.
13
14 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
15
16         Backport from mainline
17         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
18
19         PR target/52775
20         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
21         the list of options to enable the FCFID instruction.
22         (TARGET_EXTRA_BUILTINS): Adjust comment.
23
24 2012-04-12  Richard Guenther  <rguenther@suse.de>
25
26         PR tree-optimization/52943
27         * tree-chrec.h (chrec_is_positive): Remove.
28         * tree-scalar-evolution.c (chrec_is_positive): Move ...
29         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
30         Return false for a constant zero instead of negative.
31         (analyze_siv_subscript_cst_affine): Handle zero difference
32         in the initial condition explicitely.
33
34 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
35
36         PR middle-end/52894
37         * varasm.c (process_pending_assemble_externals): Set
38         pending_assemble_externals_processed true.
39         (assemble_external): Call assemble_external_real if the pending
40         assemble externals have been processed.
41
42 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
43
44         PR target/52717
45         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
46         the DECL generated for the special GOT helper.
47
48 2012-04-06  Walter Lee  <walt@tilera.com>
49
50         Backport from mainline
51         2012-03-07  Walter Lee  <walt@tilera.com>
52
53         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
54         REG_CFA_* notes for the stack pointer.
55         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
56         EH_RETURN_STACKADJ_RTX.
57         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
58         generate REG_CFA_* notes for the stack pointer.
59         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
60         by EH_RETURN_STACKADJ_RTX.
61
62 2012-04-06  Matt Turner  <mattst88@gmail.com>
63
64         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
65
66 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
67
68         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
69         of the destination isn't also a FP_REGS register.
70
71 2012-04-03  Richard Guenther  <rguenther@suse.de>
72
73         Backport from mainline
74         2012-03-02  Richard Guenther  <rguenther@suse.de>
75
76         PR tree-optimization/52406
77         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
78         (struct indices): Add unconstrained_base member.
79         (struct dr_alias): Remove unused vops member.
80         (DR_UNCONSTRAINED_BASE): New define.
81         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
82         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
83         be an artificial access that covers the whole indexed object,
84         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
85         plain decl base-objects to their MEM_REF variant.
86         (dr_may_alias_p): When the base-object of either data reference
87         has unknown size use only points-to information.
88         (compute_affine_dependence): Make dumps easier to read and
89         more verbose.
90         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
91         DR_REF when looking for packed references.
92         (vect_supportable_dr_alignment): Likewise.
93
94 2012-04-03  Richard Guenther  <rguenther@suse.de>
95
96         Backport from mainline
97         2012-03-15  Richard Guenther  <rguenther@suse.de>
98
99         PR middle-end/52580
100         * tree-data-ref.c (subscript_dependence_tester_1): Check
101         all dimensions for non-conflicting access functions.
102
103 2012-04-03  Richard Guenther  <rguenther@suse.de>
104
105         Backport from mainline
106         2012-03-06  Richard Guenther  <rguenther@suse.de>
107
108         PR middle-end/52493
109         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
110
111         2012-03-23  Richard Guenther  <rguenther@suse.de>
112
113         PR tree-optimization/52678
114         * tree-vectorizer.h (struct _stmt_vec_info): Add
115         loop_phi_evolution_part member.
116         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
117         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
118         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
119         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
120         Use the cached evolution part and the PHI nodes value from
121         the loop preheader edge instead of re-analyzing the evolution.
122
123         2012-03-26  Richard Guenther  <rguenther@suse.de>
124
125         PR tree-optimization/52701
126         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
127         compute and set the evolution part of PHI nodes.
128
129         2012-03-30  Richard Guenther  <rguenther@suse.de>
130
131         PR tree-optimization/52754
132         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
133         propagate arbitrary addresses into really plain dereferences.
134
135 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
136
137         PR tree-optimization/52835
138         * tree-data-ref.c (build_rdg): Return NULL if
139         compute_data_dependences_for_loop failed.
140
141 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
142
143         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
144         (stmt_can_make_abnormal_goto): Use it.
145         (is_ctrl_altering_stmt): Likewise.
146
147 2012-03-31  Martin Jambor  <mjambor@suse.cz>
148
149         Backported from mainline
150         2012-03-30  Martin Jambor  <mjambor@suse.cz>
151
152         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
153         is a builtin_stack_save in a dominating BB.
154
155 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
156
157         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
158         crossing 128bit lane boundary.
159
160 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
161
162         Backported from mainline
163         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
164
165         PR target/52698
166         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
167         New prototype.
168         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
169         * config/i386/i386.c: Include reload.h.
170         (ix86_legitimize_reload_address): New function.
171
172 2012-03-28  Martin Jambor  <mjambor@suse.cz>
173
174         Backported from mainline
175         2012-03-27  Martin Jambor  <mjambor@suse.cz>
176
177         PR middle-end/52693
178         * tree-sra.c (sra_modify_assign): Do not call
179         load_assign_lhs_subreplacements when working with an unscalarizable
180         region.
181
182 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
183
184         PR middle-end/52691
185         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
186         __builtin_va_start to __builtin_next_arg if the latter is
187         builtin_decl_explicit_p rather than when it is not.
188
189         PR middle-end/52750
190         * tree-vect-generic.c (vector_element): Perform multiplication
191         for pos in bitsizetype type instead of idx type.
192
193 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
194
195         Backport from 2012-03-28 mainline r185910.
196
197         PR target/52692
198         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
199         (avr_builtin_decl): New static function.
200         (struct avr_builtin_description, avr_bdesc): Move up.
201         Add GTY marker. Add field fndecl. Remove redundant field id.
202         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
203         (avr_expand_builtin): Code cleanup because .id is removed.
204
205 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
206
207         PR middle-end/51893
208         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
209         targets.
210
211 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
212
213         Backport from 2012-03-28 mainline r185907.
214
215         PR target/52737
216         * config.gcc (tm_file): Remove avr/multilib.h.
217
218         * doc/invoke.texi (AVR Options): Adjust
219         documentation of -mtiny-stack.
220
221         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
222         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
223         * config/avr/t-avr: Remove generation of multilib.h.
224         * config/avr/t-multilib: Regenerate.
225         * config/avr/multilib.h: Remove.
226         * config/avr/avr.opt (-msp8): New option.
227         (avr_sp8): New variable.
228         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
229         * config/avr/avr.h (AVR_HAVE_SPH): New define.
230         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
231         (avr_device_to_sp8): New prototype.
232         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
233         (DRIVER_SELF_SPECS): New define.
234         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
235         __AVR_SP8__, __AVR_HAVE_SPH__.
236         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
237         AVR_HAVE_8BIT_SP to decide if SP_H is present.
238         (avr_file_start): Ditto.
239
240 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
241
242         PR target/52736
243         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
244         instead of 8 in adjust_address.
245
246 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
247
248         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
249         of a unit before computing the offset in units.
250
251 2012-03-27  Richard Guenther  <rguenther@suse.de>
252
253         PR middle-end/52720
254         * fold-const.c (try_move_mult_to_index): Handle &x.array more
255         explicitely.
256
257 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
258
259         PR target/52610
260         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
261
262 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
263
264         PR middle-end/52640
265         * varasm.c: Include pointer-set.h.
266         (pending_assemble_externals_set): New pointer set.
267         (process_pending_assemble_externals): Destroy the pointer set.
268         (assemble_external): See if decl is in pending_assemble_externals_set,
269         and add it to pending_assemble_externals if necessary.
270         (init_varasm_once): Allocate pending_assemble_externals_set.
271
272 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
273
274         Backported from mainline
275         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
276
277         PR target/50310
278         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
279         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
280         (vector_ltgt<mode>): Likewise.
281         (vector_ordered<mode>): Likewise.
282         (vector_unordered<mode>): Likewise.
283         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
284
285 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
286
287         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
288         Make static.
289
290 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
291
292         Backported from mainline
293         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
294
295         PR target/48596
296         PR target/48806
297         * config/sh/sh.c (sh_register_move_cost): Increase cost between
298         GENERAL_REGS and FP_REGS for SImode.
299
300 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
301
302         PR middle-end/52547
303         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
304         on any new_local_var_chain vars declared during recursing on
305         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
306
307 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
308
309         Backport from 2012-03-22 mainline r185692.
310
311         PR target/52496
312         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
313         (unspecv): Add UNSPECV_MEMORY_BARRIER.
314         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
315         (delay_cycles_1, delay_cycles_2): Ditto.
316         (delay_cycles_3, delay_cycles_4): Ditto.
317         (nopv, *nopv): Ditto.
318         (sleep, *sleep): Ditto.
319         (wdr, *wdr): Ditto.
320
321         Backport from 2012-03-21 mainline r185605.
322
323         PR rtl-optimization/52543
324         PR target/52461
325         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
326         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
327         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
328         (avr_load_libgcc_p): Restrict to __flash loads.
329         (avr_out_lpm): Only handle 1-byte loads from __flash.
330         (avr_load_lpm): New function.
331         (avr_find_unused_d_reg): Remove.
332         (avr_out_lpm_no_lpmx): Remove.
333         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
334         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
335         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
336         (load_<mode>, load_<mode>_clobber): New insns.
337         (mov<mode>): For multi-byte move from non-generic
338         16-bit address spaces: Expand to load_<mode> resp.
339         load_<mode>_clobber.
340         (load<mode>_libgcc): Remove expander.
341         (split-lpmx): Remove split.
342
343         Backport from 2012-03-13 mainline r185329.
344
345         PR target/52488
346         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
347         offset (size) to a value the insns can deal with.
348         (expand_epilogue): Ditto.
349
350         Backport from 2012-03-12 mainline r185256.
351
352         PR target/52499
353         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
354         type from reg_class_t to enum reg_class.
355         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
356
357         Backport from 2012-03-12 mainline r185253.
358
359         PR target/52148
360         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
361         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
362         r184615 from 2012-02-28.
363
364         Backport from 2012-03-08 mainline r185105.
365
366         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
367         for constants in [-63,63].
368
369         Backport from 2012-03-08 mainline r185100.
370
371         PR target/52496
372         * config/avr/avr.c (avr_mem_clobber): New static function.
373         (avr_expand_delay_cycles): Add memory clobber operand to
374         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
375         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
376         (enable_interrupt, disable_interrupt): New expander.
377         (nopv, sleep, wdr): New expanders.
378         (delay_cycles_1): Add memory clobber.
379         (delay_cycles_2): Add memory clobber.
380         (delay_cycles_3): Add memory clobber.
381         (delay_cycles_4): Add memory clobber.
382         (cli_sei): New insn from former "enable_interrupt",
383         "disable_interrupt" with memory clobber.
384         (*wdt): New insn from former "wdt" with memory clobber.
385         (*nopv): Similar, but for "nopv".
386         (*sleep): Similar, but for "sleep".
387
388         Backport from 2012-03-07 mainline r185043.
389
390         PR target/52484
391         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
392
393         Backport from 2012-03-07 mainline r185032.
394
395         PR target/52506
396         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
397         to: RAMPZ, RAMPY, RAMPX, RAMPD.
398         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
399
400         Backport from 2012-03-07 mainline r185031.
401
402         PR target/52505
403         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
404         from RAM.
405         * config/avr/avr.md (xload_8): Adjust insn length.
406
407         Backport from 2012-03-07 mainline r185030.
408
409         PR target/52461
410         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
411         if RAMPZ affects reading from RAM.
412
413         Backport from 2012-03-05 mainline r184919.
414
415         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
416
417 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
418
419         Backport from mainline r185259.
420
421         PR other/52545
422         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
423         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
424
425 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
426
427         Backported from mainline
428         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
429
430         PR c/52577
431         * c-parser.c (c_parser_postfix_expression)
432         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
433
434         * config/i386/smmintrin.h: Avoid /* within a comment.
435         * config/i386/nmmintrin.h: Likewise.
436
437 2012-03-22  Richard Guenther  <rguenther@suse.de>
438
439         * BASE-VER: Set to 4.7.1.
440         * DEV-PHASE: Set to prerelease.
441
442 2012-03-22  Release Manager
443
444         * GCC 4.7.0 released.
445
446 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
447
448         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
449
450 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
451             Andrew Pinski  <apinski@cavium.com>
452
453         PR middle-end/52592
454         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
455         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
456         calls instead of __builtin_ir{int,ound}*.
457
458 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
459
460         PR c++/52582
461         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
462         if c_node is NULL.
463
464 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
465
466         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
467         Refer to GCC 4.7 version of c99status.html.
468
469 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
470
471         Backport from mainline
472         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
473
474         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
475         redefine to be NULL if the current bit-size is different from the
476         configured bit-size.
477
478         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
479         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
480         set the default tuning.  Add asserts to make sure the cpu and tune
481         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
482         test whether the index is set, instead of > 0.
483         (rs6000_file_start): Do not reset the default cpu if the current
484         bit-size is different from the configured bit-size.
485
486 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
487
488         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
489         binutils reference.
490         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
491         Update binutils references.
492         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
493         Update binutils reference.
494         Update Sun as/GNU ld caveat.
495         Document binutils largefile requirement for LTO plugin.
496         Remove reference to alternate libpthread.
497
498 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
499
500         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
501         reference.
502         (Specific, mips-sgi-irix6): Likewise.
503
504 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
505
506         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
507         * configure: Regenerate.
508
509 2012-03-07  Richard Henderson  <rth@redhat.com>
510
511         * config/m68k/m68k.h (ISA_HAS_TAS): New.
512         * config/m68k/sync.md (atomic_test_and_set): Use it.
513         (atomic_test_and_set_1): Likewise.
514
515 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
516
517         PR target/51417
518         * Makefile.in: Let install-gcc-ar depend on installdirs,
519         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
520         Don't double canonicalize if cross-compiling.
521
522 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
523
524         * trans-mem.c: New typedef for tm_region_p.
525         Define vector types for tm_region_p.
526         (tm_region_init): Replace region_worklist to a vector called
527         bb_regions.
528
529 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
530
531         PR middle-end/52463
532         * trans-mem.c (tm_region_init): Use last_basic_block.
533
534 2012-03-05  Richard Henderson  <rth@redhat.com>
535
536         PR tree-opt/52242
537         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
538         * omp-low.c (expand_omp_atomic): Assume anything aligned to
539         BIGGEST_ALIGNMENT is aligned.
540
541 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
542
543         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
544
545 2012-03-05  Richard Henderson  <rth@redhat.com>
546
547         PR target/52481
548         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
549         instead of calling negqi2 directly.
550
551 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
552
553         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
554         (INTMAX_TYPE): Use it.
555         (UINTMAX_TYPE): Likewise.
556         (SUBTARGET_OVERRIDE_OPTIONS): Define.
557         (irix6_c_common_override_options): Declare.
558         (C_COMMON_OVERRIDE_OPTIONS): Define.
559         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
560         * config/mips/irix6-c.c: New file.
561         * config/mips/t-irix6 (irix6-c.o): New target.
562         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
563         cxx_target_objs.
564
565 2012-03-02  Richard Henderson  <rth@redhat.com>
566
567         * optabs.c (expand_atomic_test_and_set): Honor
568         atomic_test_and_set_trueval even when atomic_test_and_set
569         optab is not in use.
570
571 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
572
573         Backport from mainline
574         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
575
576         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
577
578 2012-03-02  Richard Guenther  <rguenther@suse.de>
579
580         * DEV-PHASE: Set to prerelease.
581
582 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
583
584         * config.gcc (obsolete): Add all ARM targets using the FPA.
585         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
586         * doc/install.texi: Avoid references to obsolete ARM ports.
587
588 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
589
590         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
591
592 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
593             Joern Rennecke  <joern.rennecke@embecosm.com>
594
595         * doc/extend.texi: Expand and update information on interrupt
596         attribute for Epiphany.
597
598 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
599
600         * config/sh/sh-protos.h: Update copyright notice dates.
601         * config/sh/sh.h: Likewise.
602         * config/sh/sh.md: Likewise.
603         * config/sh/constraints.md: Likewise.
604         * config/sh/predicates.md: Likewise.
605
606 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
607
608         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
609         * config/sh/sh.c (tertiary_reload_operand): Likewise.
610
611 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
612
613         * config/sh/constraints.md: Fix comment typo.
614
615 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
616
617         PR target/52408
618         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
619         unsigned HOST_WIDE_INT.
620         (zvdep_imm64): Likewise.
621         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
622         (vdepi_and): Likewise.
623         Likewise for unamed 64-bit patterns.
624         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
625
626 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
627
628         PR debug/52001
629         PR rtl-optimization/52417
630         * cselib.c (cselib_any_perm_equivs): New variable.
631         (cselib_reset_table): Check that it's not set when not
632         preserving constants.
633         (cselib_add_permanent_equiv): Set it.
634         (cselib_have_permanent_equivalences): New.
635         (cselib_init, cselib_finish): Reset it.
636         * cselib.h (cselib_have_permanent_equivalences): Declare.
637         * alias.c (get_addr): Restore earlier behavior when there
638         aren't permanent equivalences.
639
640 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
641
642         * config/mn10300/mn10300-modes.def: Fix copyright notice.
643         * config/v850/v850-modes.def: Fix copyright notice.
644
645 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
646
647         * doc/extend.texi (AVR Built-in Functions): Document
648         __builtin_avr_flash_segment.
649
650         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
651         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
652         (*split.flash_segment): New insn-and-split.
653         * config/avr/avr.c (avr_init_builtins): Add local variables:
654         const_memx_void_node, const_memx_ptr_type_node,
655         char_ftype_const_memx_ptr.
656
657 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
658
659         PR tree-optimization/52445
660         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
661         add ssa_name_ver, offset and size fields and change store field
662         to bool.
663         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
664         (add_or_mark_expr): Likewise.  Only consider previous stores
665         with the same size and offset.
666         (nt_init_block): Only look at gimple_assign_single_p stmts,
667         doesn't look at rhs2.
668
669 2012-03-01  Richard Guenther  <rguenther@suse.de>
670
671         PR middle-end/52443
672         * tree-cfg.c (verify_gimple_assign_unary): Allow any
673         conversions from integral types to pointer types.
674
675 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
676
677         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
678         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
679         unintentionally removed in r184616.
680
681 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
682
683         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
684         3DNow from bdver1.
685
686 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
687             Uros Bizjak  <ubizjak@gmail.com>
688
689         PR target/52437
690         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
691         alternatives, add "e" constraint to the new last alternative
692         and ! to last 3 alternatives.
693
694 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
695
696         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
697         DW_AT_artificial attributes at the end of the processing.
698         (gen_array_type_die): Likewise.
699         (gen_enumeration_type_die): Likewise.
700         (gen_struct_or_union_type_die): Likewise.
701         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
702         the parent type.
703
704 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
705
706         PR middle-end/52419
707         * expr.c (expand_assignment): If doing misaligned store that doesn't
708         cover all mode bits, perform a RMW cycle.
709
710         PR tree-optimization/52429
711         * tree-parloops.c (separate_decls_in_region_debug): Return early
712         if var is LABEL_DECL.
713
714 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
715
716         PR tree-optimization/52424
717         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
718         calling dom_thread_across_edge.
719
720 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
721
722         * config/avr/avr.c: Move definition of TARGET macros to end of file.
723
724 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
725
726         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
727         * config/avr/avr.c (avr_output_bld): Remove unused function.
728         (avr_out_sbxx_branch): Use "%T" to print bit position.
729
730 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
731
732         * config/avr/avr.md: Untabify.
733
734 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
735
736         * config/avr/avr.md (eqne): New code iterator.
737         (*dec-and-branchsi): Use it in text peephole's condition.
738         (*dec-and-branchhi): Ditto.
739         (*dec-and-branchqi): Ditto.
740
741 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
742
743         PR target/49939
744         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
745         the device does not have the skip-bug.
746
747 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
748
749         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
750         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
751         -mpretend-cmove): New.
752
753 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
754
755         PR bootstrap/52397
756         * df.h (struct df_d): Adjust comment that hard_regs_live_count
757         doesn't count DEBUG_INSN refs.
758         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
759         for DEBUG_INSN refs.
760
761 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
762
763         Partially revert:
764
765         2012-02-20  Richard Guenther  <rguenther@suse.de>
766         PR tree-optimization/52298
767         * tree-vect-stmts.c (vectorizable_load): Properly use
768         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
769         outer loops.
770
771 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
772
773         PR middle-end/51752
774         * gimple.h (gimple_in_transaction): New.
775         (gimple_set_in_transaction): New.
776         (struct gimple_statement_base): Add in_transaction field.
777         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
778         transaction loads.
779         (tree_ssa_lim_initialize): Compute transaction bits.
780         * tree.h (compute_transaction_bits): Protoize.
781         * trans-mem.c (tm_region_init): Use the heap to store BB
782         auxilliary data.
783         (compute_transaction_bits): New.
784
785 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
786
787         * gcc.c (display_help): Document --help=common and sort entries
788         alphabetically.
789
790 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
791
792         * doc/install.texi: Document check-$LANG specific shortcuts
793
794 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
795
796         PR target/51534
797         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
798         and vcgtu.
799         * config/arm/arm_neon.h: Regenerate.
800         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
801         (neon_vcgeu): New insn.
802         (neon_vcgtu): Likewise.
803         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
804         (ops): Unsigned comparison intrinsics call a different
805         builtin.
806
807 2012-02-28  Richard Guenther  <rguenther@suse.de>
808
809         PR target/52407
810         * config/i386/i386.c (ix86_expand_vector_set): Fix element
811         ordering for the VEC_CONCAT for two element vectors for
812         V2SFmode, V2SImode and V2DImode.
813
814 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
815
816         PR target/49448
817         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
818         detecting big-endian triplets.
819
820 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
821
822         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
823         mode if there is no type information available.
824
825 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
826
827         PR tree-optimization/53207
828         * doc/invoke.texi: Document as experimental and relying on graphite.
829
830 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
831
832         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
833         of initializer to changes from r184614.
834
835 2012-02-28  Richard Guenther  <rguenther@suse.de>
836
837         PR tree-optimization/52395
838         * tree-sra.c (build_ref_for_offset): Also look at the base
839         TYPE_ALIGN when figuring out the alignment of the replacement.
840
841 2012-02-28  Richard Guenther  <rguenther@suse.de>
842
843         PR tree-optimization/52402
844         * ipa-prop.c (ipa_modify_call_arguments): Properly use
845         mis-aligned types when creating the accesses at the call site.
846
847 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
848
849         * config/avr/builtins.def: New file.
850         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
851         * config/avr/avr.c (enum avr_builtin_id): Use it.
852         (avr_init_builtins): Use it. And use avr_bdesc.
853         (bdesc_1arg): Remove.
854         (bdesc_2arg): Remove.
855         (bdesc_3arg): Remove.
856         (struct avr_builtin_description): Add field n_args.
857         (avr_bdesc): New static variable using builtins.def.
858         (avr_expand_builtin): Use it.
859         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
860         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
861         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
862
863 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
864
865         PR target/52148
866         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
867         match only one single hard register with respective hard reg rtx.
868         (movmemx_<mode>): Ditto.
869         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
870         insn anatomy of movmem[x]_<mode>.
871         (avr_out_movmem): Same for printing assembler and operand usage.
872
873 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
874
875         PR target/49868
876         PR target/52261
877         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
878         address spaces located outside of device flash.
879
880         * config/avr/avr.h (base_arch_s): Remove field n_segments.
881         (mcu_type_s): Add field n_flash.
882         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
883         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
884         (AVR_MCU): Add N_FLASH argument.
885         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
886         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
887         macro __FLASH<n> if that address space makes sense for the device.
888         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
889         outside of target flash.
890         (avr_asm_named_section): Ditto.
891         (avr_asm_select_section): Ditto.
892         (avr_addr_space_convert): Ditto.
893         (avr_emit_movmemhi): Ditto.
894         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
895         address space is outside of device flash.
896         (avr_insert_attributes): Ditto.
897         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
898         avr_current_arch->n_segments.
899
900 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
901
902         PR target/52352
903         * config/i386/i386.md (*movabs<mode>_1): Enable only for
904         TARGET_LP64.
905         (*movabs<mode>_2): Likewise.
906
907 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
908
909         PR target/52375
910         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
911         s_register_operand in the test instead of REG_P.  Don't call
912         gen_reg_rtx if it won't be used.
913
914         PR tree-optimization/52376
915         * ipa-split.c (split_function): Ignore CLOBBER stmts.
916
917 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
918
919         * ifcvt.c (noce_get_condition): Check condition variable is not
920         small_register_classes_for_mode_p before accepting.
921
922 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
923
924         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
925
926 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
927
928         Revert:
929         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
930         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
931         tuning parameters.
932         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
933
934 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
935
936         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
937
938 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
939
940         * config/sh/predicates.md: Remove blank lines.
941         * config/sh/sh.c: Fix typos in comments.
942         * config/sh/constraints.md: Likewise.
943         * config/sh/sh.md: Remove blank lines.
944         Fix typos in comments.  Use ;; as comment characters.
945
946 2012-02-26  Walter Lee  <walt@tilera.com>
947
948         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
949         (replace_mov_pcrel_step2): Ditto.
950
951 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
952
953         PR debug/52001
954         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
955         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
956         and locs that reference values newer than the non-canonical value
957         at hand.  Return the canonical value as a worst case.
958         (memrefs_conflict_p): Walk canonical value's locs.
959
960         PR debug/52001
961         * cselib.c (preserve_only_constants): Rename to...
962         (preserve_constants_and_equivs): ... this.  Split out...
963         (invariant_or_equiv_p): ... this.  Preserve plus expressions
964         of other preserved expressions too.
965         (cselib_reset_table): Adjust.
966         * var-tracking.c (reverse_op): Use canonical value to build
967         reverse operation.
968
969 2012-02-23  Kai Tietz  <ktietz@redhat.com>
970
971         * config/i386/i386.c (ix86_delegitimize_address): Handle
972         UNSPEC_PCREL plus displacement.
973
974 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
975
976         PR target/52261
977         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
978         to test for unusedness in st X addressing.
979
980 2012-02-24  Richard Guenther  <rguenther@suse.de>
981
982         PR middle-end/52361
983         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
984         (is_gimple_reg_type): Move inline ...
985         * gimple.h (is_gimple_reg_type): ... here.
986
987 2012-02-24  Richard Guenther  <rguenther@suse.de>
988
989         PR middle-end/52361
990         * passes.c (execute_function_todo): When verifying SSA form
991         verify gimple form first.
992         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
993
994 2012-02-24  Richard Guenther  <rguenther@suse.de>
995
996         PR middle-end/52355
997         * fold-const.c (fold_addr_of_array_ref_difference): New function.
998         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
999
1000 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1001
1002         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1003
1004 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1005
1006         * tree-phinodes.c (make_phi_node): Mark static.
1007         * tree-flow.h (make_phi_node): Remove extern decl.
1008         * doc/gimple.texi (make_phi_node): Remove documentation.
1009
1010 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1011
1012         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1013         * tree-ssa-sccvn.c (print_scc): Ditto.
1014
1015 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1016
1017         * doc/passes.texi (Full redundancy elimination): Fix typo.
1018
1019 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1020
1021         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1022
1023 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1024
1025         PR bootstrap/52287
1026         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1027
1028 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1029
1030         PR c/52290
1031         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1032
1033 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1034
1035         * config/avr/avr.md (code_stdname): Add ior, xor.
1036         (xior): New code iterator.
1037         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1038         (*<code_stdname><mode>qi.byte1-3): Ditto.
1039
1040 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1041
1042         PR tree-optimization/52019
1043         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1044         CLOBBER stmts.
1045
1046 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1047
1048         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1049         HAVE_INITFINI_ARRAY to work around namespace pollution in
1050         certain versions of newlib system headers.
1051         * config.in: Regenerate.
1052         * configure: Regenerate.
1053         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1054         instead of HAVE_INITFINI_ARRAY.
1055
1056 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1057
1058         PR target/52330
1059         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1060         is not offsettable memory reference.
1061
1062 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1063
1064         PR target/18145
1065         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1066         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1067
1068 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1069
1070         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1071         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1072
1073 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1074
1075         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1076         library on Solaris 8 even without TLS support.
1077         * configure: Regenerate.
1078
1079 2012-02-22  Richard Guenther  <rguenther@suse.de>
1080
1081         PR middle-end/52329
1082         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1083         for GIMPLE_DEBUG stmts.
1084
1085 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1086
1087         PR middle-end/51782
1088         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1089         according to the base object.
1090
1091 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1092
1093         PR rtl-optimization/50063
1094         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1095         and 2 (8-bit SP) in operand 2.
1096         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1097         setup to use movhi_sp_r instead of vanilla move to write SP.
1098         Adjust REG_CFA notes to superseed unspec.
1099         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1100         of vanilla move.
1101         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1102         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1103         irq_state 1 (IRQ known to be on) here.
1104
1105 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1106
1107         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1108         WORDS_BIG_ENDIAN.
1109         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1110         assign_hard_reg): Likewise.
1111
1112 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1113
1114         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1115
1116 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1117
1118         * config/avr/avr.md
1119         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1120         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1121
1122 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1123
1124         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1125         prototype from here to...
1126         * config/avr/avr.h: ...here.
1127
1128 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1129
1130         PR target/52294
1131         * thumb2.md (thumb2_shiftsi3_short): Split register and
1132         immediate shifts.  For register shifts tie operands 0 and 1.
1133         (peephole2 for above): Check that register-controlled shifts
1134         have suitably tied operands.
1135
1136 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1137
1138         PR target/52137
1139         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1140         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1141         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1142         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1143         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1144         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1145         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1146         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1147         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1148         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1149         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1150         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1151         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1152         bdver1_ssevector_avx256_unaligned_load,
1153         bdver1_ssevector_sse128_unaligned_load,
1154         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1155         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1156         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1157         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1158         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1159         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1160         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1161         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1162         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1163         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1164         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1165         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1166         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1167         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1168         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1169         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1170         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1171         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1172         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1173         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1174         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1175         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1176         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1177         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1178         bdver1_ssediv_double_load, bdver1_ssediv_double,
1179         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1180         Add "bdver2" attribute.
1181
1182 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1183
1184         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1185         default if possible and not specified otherwise.
1186
1187 2012-02-21  Richard Guenther  <rguenther@suse.de>
1188
1189         PR middle-end/52314
1190         * gimplify.c (create_tmp_from_val): Use the main variant type
1191         for the type of the temporary we create.
1192
1193 2012-02-21  Richard Guenther  <rguenther@suse.de>
1194
1195         PR tree-optimization/52324
1196         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1197         do not gimplify a MEM_REF address operand if it is already
1198         in suitable form.
1199
1200 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1201
1202         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1203         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1204
1205 2012-02-21  Richard Guenther  <rguenther@suse.de>
1206
1207         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1208         nested_in_vect_loop.
1209
1210 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1211
1212         PR tree-optimization/52318
1213         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1214         vdef also to non-pure/const call stmts in the sequence.
1215
1216 2012-02-20  David S. Miller  <davem@davemloft.net>
1217
1218         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1219         don't use the "rd %pc" instruction on v9 for PIC register loads.
1220
1221 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1222
1223         PR middle-end/52141
1224         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1225         in a transaction safe function.
1226
1227 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1228
1229         PR target/52238
1230         * stor-layout.c (place_field): Handle desired_align for
1231         ms-bitfields, too.
1232
1233 2012-02-20  Richard Guenther  <rguenther@suse.de>
1234
1235         PR tree-optimization/52298
1236         * tree-vect-stmts.c (vectorizable_store): Properly use
1237         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1238         outer loops.
1239         (vectorizable_load): Likewise.
1240         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1241         Access DR_STEP after ensuring it is not NULL.
1242
1243 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1244
1245         PR tree-optimization/52286
1246         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1247         optimization use double_int_to_tree instead of build_int_cst_wide,
1248         rewrite to use double_int vars.
1249
1250 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1251
1252         PR target/50166
1253         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1254         Define _start.
1255         Remove -e 0 from $gcc_cv_ld invocation.
1256         Only use __GLIBC_PREREQ if defined.
1257         Enable on Solaris since Solaris 8 patch.
1258         (gcc_SUN_LD_VERSION): New macro.
1259         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1260         gcc_SUN_LD_VERSION for version number format.
1261         * configure: Regenerate.
1262         * varasm.c (get_elf_initfini_array_priority_section): Set
1263         SECTION_NOTYPE for non-default priority.
1264         Use get_section instead of get_unnamed_section to emit
1265         .init_array/.fini_array with default priority.
1266
1267 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1268
1269         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1270         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1271         (mips_start_unique_function, mips_output_mips16_rdhwr)
1272         (mips_code_end): New functions.
1273         (TARGET_ASM_CODE_END): Define.
1274
1275 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1276
1277         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1278         to stubs with non-sibling calls.
1279
1280 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1281
1282         * doc/invoke.texi (-fira-* options): Copy-edit.
1283         (ira-* parameters): Copy-edit.
1284
1285 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1286
1287         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1288         GCC coding conventions.
1289
1290 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1291
1292         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1293         when used as adjectives.
1294
1295 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1296
1297         * doc/invoke.texi: Clean up "that"/"which" confusion.
1298
1299 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1300
1301         * system.h: Poison SMALL_REGISTER_CLASSES
1302         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1303         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1304
1305 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1306
1307         PR tree-optimization/52285
1308         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1309         when deciding if a call is a tail call or tail recursion.
1310
1311 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1312
1313         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1314         interger-constant displacement for UNSPEC_PCREL.
1315
1316 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1317
1318         PR rtl-optimization/52208
1319         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1320         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1321
1322         PR tree-optimization/52255
1323         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1324         loop->header has virtual PHI, but exit_e->dest doesn't, add
1325         virtual PHI to exit_e->dest and adjust all uses after the loop.
1326
1327         PR debug/52260
1328         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1329         children with clone_tree_hash, not after it.
1330
1331 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1332
1333         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1334         extended identifiers.
1335
1336 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1337
1338         PR middle-end/51929
1339         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1340         a same_body_alias, also test whether e->callee isn't a former
1341         or current clone of the decl this is a same body alias of.
1342
1343         PR translation/52264
1344         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1345
1346 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1347
1348         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1349
1350 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1351
1352         PR target/52199
1353         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1354         force_reg instead of copy_to_reg for better optimization.  Force
1355         non-register or memory operands into a register.
1356
1357 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1358
1359         * extend.texi: Reserve upper bits of memory model for future use.
1360
1361 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1362             Anatoly Sokolov <aesok@post.ru>
1363             Eric Weddington <eric.weddington@atmel.com>
1364
1365         PR target/52261
1366         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1367         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1368         Rewrite initializers for .macro.
1369         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1370         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1371         atxmega32d4, atxmega32x1.
1372         avrxmega4: atxmega64a3, atxmega64d3.
1373         avrxmega5: atxmega64a1, atxmega64a1u.
1374         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1375         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1376         avrxmega7: atxmega128a1, atxmega128a1u.
1377         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1378         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1379         (struct base_arch_s): Rename reserved to xmega_p.
1380         Rename reserved2 to have_rampd.
1381         (AVR_XMEGA): New define.
1382         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1383         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1384         * config/avr/predicates.md (io_address_operand): Take into
1385         account SFR offset.
1386         (low_io_address_operand): Ditto.
1387         (high_io_address_operand): Ditto.
1388         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1389         (enabled, movhi_sp_r): Use them.
1390         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1391         cpp_define_formatted to built-in define __AVR_ARCH__.
1392         (__AVR_XMEGA__): New built-in define.
1393         (__AVR_HAVE_RAMPD__): New built-in define.
1394         (__AVR_HAVE_RAMPX__): New built-in define.
1395         (__AVR_HAVE_RAMPY__): New built-in define.
1396         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1397
1398         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1399         (avr_option_override): Initialize them.
1400         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1401         (avr_init_expanders): Initialize them. No more block several calls.
1402         (emit_push_sfr): New static function.
1403         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1404         Handle AVR_XMEGA.
1405         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1406         (avr_print_operand): Print addreeses as symbols for
1407         RAMPX, RAMPY, RAMPD, CCP.
1408         (output_movhi): Handle AVR_XMEGA when writing to SP.
1409         (avr_out_movhi_mr_r_xmega): New static function.
1410         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1411         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1412         __RAMPD__,  __CCP__ as needed.
1413
1414         * config/avr/multilib.h: Regenerate.
1415         * config/avr/t-multilib: Regenerate.
1416         * config/avr/avr-tables.opt: Regenerate.
1417
1418 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1419
1420         PR tree-optimization/50561
1421         * graphite-flattening.c (lst_project_loop): Do not
1422         remove old scattering dimensions after flattening.
1423         (lst_do_flatten): Likewise.
1424
1425 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1426
1427         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1428         __builtin_avr_map8, __builtin_avr_map16.
1429         Document __builtin_avr_insert_bits.
1430
1431         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1432         (insert_bits): New insn.
1433         (adjust_len.map_bits): Rename to insert_bits.
1434         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1435         * avr-protos.h (avr_out_map_bits): Remove.
1436         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1437         * config/avr/constraints.md (Cxf,C0f): New.
1438         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1439         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1440         New built-in define __BUILTIN_AVR_INSERT_BITS.
1441         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1442         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1443         (avr_move_bits): Rewrite.
1444         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1445         functions.
1446         (avr_map_op_t): New typedef.
1447         (avr_map_op): New static variable.
1448         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1449         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1450         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1451         (bdesc_3arg, avr_expand_triop_builtin): New.
1452         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1453         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1454         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1455         (avr_map_equal_p, avr_map_sig_p): Remove.
1456         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1457         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1458         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1459         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1460         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1461         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1462
1463 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1464
1465         * config/c6x/c6x.md (reserve_cycles): New attribute.
1466         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1467         don't reserve functional units after the branch occurs.
1468
1469 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1470
1471         PR middle-end/52142
1472         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1473         functions into non-tm_pure functions.
1474
1475 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1476
1477         PR lto/52178
1478         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1479         (iterative_hash_canonical_type): Likewise.
1480         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1481         the dead edges.
1482
1483 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1484
1485         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1486         sched-group insn, it either remains alone or the entire list is pruned.
1487
1488 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1489
1490         * doc/install.texi (Prerequisites): Fix grammar.
1491         (Configuration): Likewise.
1492
1493 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1494
1495         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1496         MPC as part of GCC before describing configuring with --with-gmp etc.
1497         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1498         sources are present.
1499
1500 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1501
1502         PR debug/51950
1503         * dwarf2out.c (clone_tree_hash): New function.
1504         (copy_decls_walk): Use it instead of clone_tree.
1505
1506 2012-02-14  Richard Guenther  <rguenther@suse.de>
1507
1508         PR tree-optimization/52244
1509         PR tree-optimization/51528
1510         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1511         replacements for integral types.
1512
1513 2012-02-14  Walter Lee  <walt@tilera.com>
1514
1515         * config.gcc: Handle tilegx and tilepro.
1516         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1517         tilegx and tilepro.
1518         Add HAVE_AS_TLS check for tilegx and tilepro.
1519         * configure: Regenerate.
1520         * doc/contrib.texi: Add Mat Hostetter and self.
1521         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1522         Document instruction intrinsics and network accessing intrinsics.
1523         (TILEPro Built-in Functions): New node.  Document instruction
1524         intrinsics and network accessing intrinsics.
1525         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1526         (Specific, tilepro-*-linux*): Likewise.
1527         * doc/invoke.texi (TILE-Gx Options): New section.
1528         (TILEPro Options): New section.
1529         * doc/md.texi (TILE-Gx): New section.
1530         (TILEPro): New section.
1531         * common/config/tilegx/tilegx-common.c: New file.
1532         * common/config/tilepro/tilepro-common.c: New file.
1533         * config/tilegx/constraints.md: New file.
1534         * config/tilegx/linux.h: New file.
1535         * config/tilegx/mul-tables.c: New file.
1536         * config/tilegx/predicates.md: New file.
1537         * config/tilegx/sync.md: New file.
1538         * config/tilegx/t-tilegx: New file.
1539         * config/tilegx/tilegx-builtins.h: New file.
1540         * config/tilegx/tilegx-c.c: New file.
1541         * config/tilegx/tilegx-generic.md: New file.
1542         * config/tilegx/tilegx-modes.def: New file.
1543         * config/tilegx/tilegx-multiply.h: New file.
1544         * config/tilegx/tilegx-protos.h: New file.
1545         * config/tilegx/tilegx.c: New file.
1546         * config/tilegx/tilegx.h: New file.
1547         * config/tilegx/tilegx.md: New file.
1548         * config/tilegx/tilegx.opt: New file.
1549         * config/tilepro/constraints.md: New file.
1550         * config/tilepro/gen-mul-tables.cc: New file.
1551         * config/tilepro/linux.h: New file.
1552         * config/tilepro/mul-tables.c: New file.
1553         * config/tilepro/predicates.md: New file.
1554         * config/tilepro/t-tilepro: New file.
1555         * config/tilepro/tilepro-builtins.h: New file.
1556         * config/tilepro/tilepro-c.c: New file.
1557         * config/tilepro/tilepro-generic.md: New file.
1558         * config/tilepro/tilepro-modes.def: New file.
1559         * config/tilepro/tilepro-multiply.h: New file.
1560         * config/tilepro/tilepro-protos.h: New file.
1561         * config/tilepro/tilepro.c: New file.
1562         * config/tilepro/tilepro.h: New file.
1563         * config/tilepro/tilepro.md: New file.
1564         * config/tilepro/tilepro.opt: New file.
1565
1566 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1567
1568         PR tree-optimization/52210
1569         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1570         vect_model_simple_cost with two entry vect_def_type array instead
1571         of an address of dt.
1572
1573 2012-02-14  Richard Guenther  <rguenther@suse.de>
1574
1575         PR lto/52178
1576         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1577         Do not stream DECL_QUALIFIER.
1578         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1579         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1580         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1581
1582 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1583
1584         PR c/52181
1585         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1586         newdecl.
1587
1588 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1589
1590         PR bootstrap/52172
1591         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1592         * cselib.c (cselib_subst_to_values_from_insn): New function.
1593         * sched-deps.c (add_insn_mem_dependence,
1594         sched_analyze_1, sched_analyze_2): Use it.
1595
1596 2012-02-13  Jan Hubicka  <jh@suse.cz>
1597
1598         PR middle-end/52214
1599         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1600
1601 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1602
1603         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1604         (GTM_SELF_SPECS): Define if not already defined.
1605         (driver_self_specs): Add GTM_SELF_SPECS.
1606         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1607         (GTM_SELF_SPECS): Define.
1608         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1609         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1610
1611 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1612
1613         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1614         away if seen.
1615
1616         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1617
1618         PR middle-end/52230
1619         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1620         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1621
1622 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1623
1624         PR c/52190
1625         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1626
1627 2012-02-13  Richard Guenther  <rguenther@suse.de>
1628
1629         PR translation/52211
1630         * passes.c (enable_disable_pass): Fix typo.
1631
1632 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1633
1634         PR middle-end/52209
1635         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1636         XOR for reduce_bit_field if type is unsigned.
1637
1638 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1639
1640         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1641         disallow changes from SFmode to mode with different size in FP regs.
1642
1643 2012-02-12  Robert Millan  <rmh@gnu.org>
1644             Gerald Pfeifer <gerald@pfeifer.com>
1645
1646         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1647         Tweak comment.
1648
1649 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1650
1651         PR rtl-optimization/52175
1652         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1653         to frame-related instructions.
1654
1655 2012-02-10  Jason Merrill  <jason@redhat.com>
1656
1657         PR c++/51910
1658         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1659         (demangle_new_symbols): Fill it.
1660         (scan_linker_output): Walk it.
1661         (start_tweaking): Split out from scan_linker_output.
1662         (maybe_tweak): Update sym->chosen.
1663         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1664
1665 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1666
1667         PR debug/52132
1668         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1669
1670 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1671
1672         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1673         having the same mode as previous compare.
1674
1675 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1676
1677         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1678         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1679         (nonlocal_goto_internal): Likewise.
1680         (nonlocal_goto): Emit a use and an indirect jump directly.
1681
1682 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1683
1684         PR c/52190
1685         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1686         __atomic_{is,always}_lock_free.
1687
1688 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         PR target/52146
1691         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1692         negative constant address for x32.
1693
1694 2012-02-10  Richard Henderson  <rth@redhat.com>
1695
1696         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1697         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1698         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1699
1700 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1701             Ira Rosen  <irar@il.ibm.com>
1702
1703         PR tree-optimization/50031
1704         * targhooks.c (default_builtin_vectorization_cost): Handle
1705         vec_promote_demote.
1706         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1707         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1708         all types of reduction and pattern statements.
1709         (vect_estimate_min_profitable_iters): Likewise.
1710         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1711         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1712         for explicit realigns.
1713         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1714         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1715         vec_promote_demote.
1716         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1717         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1718         vec_perm for VSX and handle vec_promote_demote.
1719
1720 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1721
1722         PR middle-end/52177
1723         * builtins.c (fold_builtin_atomic_always_lock_free,
1724         expand_builtin_atomic_always_lock_free,
1725         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1726         Return and/or test boolean_true_node/boolean_false_node instead of
1727         integer_one_node/integer_zero_node.
1728
1729 2012-02-10  Jan Hubicka  <jh@suse.cz>
1730
1731         PR middle-end/48600
1732         * predict.c (predict_paths_for_bb): Prevent looping.
1733         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1734
1735 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1736
1737         * config/arm/arm.c (output_move_double): In one case properly
1738         count number of instructions that will be emitted.
1739
1740 2012-02-10  Richard Guenther  <rguenther@suse.de>
1741
1742         PR translation/52193
1743         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1744
1745 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1746
1747         PR middle-end/52140
1748         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1749
1750 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR debug/52165
1753         * var-tracking.c (emit_note_insn_var_location): If
1754         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1755         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1756         non-NOTE_DURING_CALL_P insn.
1757
1758 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1759
1760         PR middle-end/51867
1761         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1762
1763 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1764
1765         PR driver/48524
1766         * gcc.c (switch_matches) Support switches with separated form,
1767         -D and -U.
1768
1769 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1770
1771         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1772         (SP_ADDR): Ditto.
1773         (RAMPZ_ADDR): Ditto.
1774         * config/avr/avr.c (avr_addr_t): New typedef.
1775         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1776         (avr_init_expanders): Initialize it.
1777         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1778         SREG_ADDR.
1779         (expand_epilogue): Ditto.
1780         (avr_print_operand): Ditto.
1781         (avr_file_start): Ditto.
1782         (avr_emit_movmemhi): Ditto.
1783
1784 2012-02-08  Richard Guenther  <rguenther@suse.de>
1785
1786         PR tree-optimization/46886
1787         * tree-flow.h (do_while_loop_p): Declare.
1788         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1789         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1790
1791 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1792
1793         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1794         always succeed for integers larger than a native word.
1795
1796 2012-02-08  Richard Guenther  <rguenther@suse.de>
1797
1798         PR rtl-optimization/52170
1799         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1800         properly handle integer vector modes.
1801
1802 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1803
1804         PR gcov-profile/52150
1805         * coverage.c: Include target.h.
1806         (build_var): Call targetm.strip_name_encoding on the assembler name.
1807         Change one _ into . or $ if the target allows it.
1808         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1809
1810         PR rtl-optimization/52139
1811         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1812         is a BARRIER after emit_insn_after_noloc, move BB_END
1813         to the last non-BARRIER insn before it.
1814
1815 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1816
1817         PR middle-end/24306
1818         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1819         (mips_gimplify_va_arg_expr): Call it instead of
1820         std_gimplify_va_arg_expr.
1821
1822 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1823
1824         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1825         message for -mno-pointers-to-nested-function.
1826
1827 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1828
1829         PR middle-end/51994
1830         * expr.c (get_inner_reference): If there is an offset, add a negative
1831         bit position to it (if any).
1832
1833 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1834
1835         PR rtl-optimization/52060
1836         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1837         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1838         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1839         and/or i0src_copy2 when needed.
1840
1841 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1842
1843         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1844         or LTOPLUGINSONAME if have_c.
1845
1846         * config/freebsd-spec.h: Add comment about what macros can be defined
1847         in this header.
1848         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1849         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1850         here instead.
1851
1852 2012-02-07  Richard Guenther  <rguenther@suse.de>
1853
1854         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1855         newline in -alias dumps.
1856
1857 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1858             Dave Korn  <dave.korn.cygwin@gmail.com>
1859
1860         PR target/40068
1861         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1862         Take care that typinfo gets dllexport-attribute.
1863
1864 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1865
1866         PR middle-end/52074
1867         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1868         if modifier < EXPAND_SUM call force_operand on the result.
1869
1870 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1871
1872         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1873         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1874         present.
1875         (epiphany_function_type): Replace types for specific interrupts with
1876         EPIPHANY_FUNCTION_INTERRUPT.
1877         (EPIPHANY_INTERRUPT_P): Update.
1878         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1879         New static function.
1880         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1881         <disinterrupt>: Affects type identity.
1882         (epiphany_handle_interrupt_attribute): Handle variable number of
1883         arguments.
1884         (epiphany_compute_function_type): Update for new
1885         epiphany_function_type definition.
1886         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1887         handlers with a longcall forwarder.
1888         (epiphany_start_function): Handle multiple interrupt arguments and/or
1889         forwarder_section attribute.
1890
1891         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1892         libgloss.
1893
1894 2012-02-07  Alan Modra  <amodra@gmail.com>
1895
1896         PR target/52107
1897         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1898         subregs of TFmode.
1899
1900 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1901
1902         PR tree-optimization/50969
1903         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1904         use vec_perm rather than vector_stmt.
1905         (vect_model_load_cost): Likewise.
1906         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1907         vec_perm to be the same as other vector statements.
1908         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1909         cost of vec_perm for TARGET_VSX.
1910
1911 2012-02-06  Richard Guenther  <rguenther@suse.de>
1912
1913         PR tree-optimization/52115
1914         * tree-sra.c (access_has_replacements_p): New function.
1915         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1916
1917 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1918
1919         PR middle-end/52047
1920         * trans-mem.c (expand_call_tm): Add an assertion.
1921         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1922         functions.
1923
1924 2012-02-06  Richard Guenther  <rguenther@suse.de>
1925
1926         PR tree-optimization/50955
1927         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1928         raise cost of expressions that replace an address with an
1929         expression based on a different pointer.
1930
1931 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1932
1933         PR target/52129
1934         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1935         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1936
1937 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1938
1939         PR c++/48680
1940         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1941         -Weffc++ and specify guidelines come from second edition.
1942
1943 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1944
1945         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1946         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1947         (call_direct_split, call_value_split, call_value_internal_direct)
1948         (call_value_direct_split, call_value_multiple_split): Use jal and
1949         jal_macro attributes.
1950
1951 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1952
1953         * reload1.c (reload_regs_reach_end_p): Replace with...
1954         (reload_reg_rtx_reaches_end_p): ...this function.
1955         (new_spill_reg_store): Update commentary.
1956         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1957         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1958         before setting new_spill_reg_store.
1959         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1960         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1961         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1962         for non-spill reload registers.
1963
1964 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1965
1966         PR tree-optimization/52091
1967         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1968         (vect_is_simple_use_1): Likewise.
1969         * tree-vect-loop.c (vectorizable_reduction): Update calls
1970         to vect_is_simple_use_1 and vect_is_simple_use.
1971         (vectorizable_live_operation): Likewise.
1972         * tree-vect-patterns.c (widened_name_p,
1973         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1974         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1975         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1976         vectorizable_shift,vectorizable_operation, vectorizable_store,
1977         vectorizable_load): Likewise.
1978         (vect_is_simple_cond): Add an argument, pass it to
1979         vect_is_simple_use_1.
1980         (vectorizable_condition): Update calls to vect_is_simple_cond,
1981         vect_is_simple_use.
1982         (vect_is_simple_use): Add an argument, the statement in which
1983         OPERAND is used.  Check that if OPERAND's def stmt is a double
1984         reduction phi node, the use is a phi node too.
1985         (vect_is_simple_use_1): Add an argument, pass it to
1986         vect_is_simple_use.
1987         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1988         to vect_is_simple_use.
1989
1990 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1991
1992         PR rtl-optimization/52095
1993         * modulo-sched.c (dump_insn_locator): New function.
1994         (loop_canon_p, sms_schedule): Use it.
1995
1996         PR rtl-optimization/52113
1997         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1998         even for decomposable shift/zext insns.
1999
2000 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2001             Zdenek Dvorak  <ook@ucw.cz>
2002
2003         PR rtl-optimization/52092
2004         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2005         on get_iv_value result.
2006
2007 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2008
2009         PR middle-end/47982
2010         PR middle-end/43967
2011         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2012
2013 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2014
2015         PR middle-end/48071
2016         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2017
2018 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2019
2020         PR rtl-optimization/49800
2021         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2022         (sched_finish): Call regstat_free_n_sets_and_refs.
2023
2024 2012-02-02  Jia Liu  <proljc@gmail.com>
2025
2026         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2027         than operand 2.
2028
2029 2012-02-02  Jan Hubicka  <jh@suse.cz>
2030             Tom de Vries  <tom@codesourcery.com>
2031
2032         PR middle-end/51998
2033         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2034         * varpool.c (varpool_analyze_pending_decls): Likewise.
2035
2036 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2037             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2038
2039         * config.gcc: Add cr16-* support.
2040
2041         * doc/extend.texi: Document cr16 extensions.
2042         * doc/install.texi: Document cr16 install.
2043         * doc/invoke.texi: Document cr16 options.
2044         * doc/md.texi: Document cr16 constraints.
2045
2046         * common/config/cr16/cr16-common.c: New file.
2047         * config/cr16/cr16.c: New file.
2048         * config/cr16/cr16.h: New file.
2049         * config/cr16/cr16.md: New file.
2050         * config/cr16/cr16.opt: New file.
2051         * config/cr16/cr16-protos.h: New file.
2052         * config/cr16/predicates.md: New file.
2053         * config/cr16/constraints.md: New file.
2054         * config/cr16/t-cr16: New file.
2055
2056 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2057
2058         PR target/52086
2059         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2060         that operands[2] is either immediate, or q_regs_operand.
2061
2062         PR tree-optimization/52073
2063         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2064         a pattern stmt for pattern uses, ignore uses outside of the loop.
2065
2066 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2067
2068         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2069         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2070         (OUT_AS1, OUT_AS2): Remove.
2071
2072 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2073
2074         PR rtl-optimization/51374
2075         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2076         to cross other volatile_refs_p insns.
2077
2078 2012-02-01  Richard Guenther  <rguenther@suse.de>
2079
2080         * doc/invoke.texi (fno-inline): Clarify documentation.
2081         (finline-small-functions): Likewise.
2082         (finline-functions): Likewise.
2083         * common.opt (finline): Adjust comment and documentation.
2084         (finline-small-functions): Clarify documentation.
2085         (finline-functions): Likewise.
2086         (finline-functions-called-once): Likewise.
2087
2088 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2089
2090         * c-typeck.c (composite_type): Keep mode for pointers.
2091
2092 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2093
2094         * function.h (regno_reg_rtx): Adjust comment.
2095         * reginfo.c (init_reg_modes_target): Only use the previous mode
2096         if it fits within one register.  Remove MIPS comment.
2097
2098 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2099
2100         PR bootstrap/52058
2101         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2102
2103 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2104
2105         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2106         to srak instruction.
2107
2108 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2109
2110         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2111
2112 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR bootstrap/52041
2115         PR bootstrap/52039
2116         PR target/51974
2117         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2118
2119 2012-01-31  Richard Guenther  <rguenther@suse.de>
2120
2121         PR tree-optimization/51528
2122         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2123         assigns.
2124
2125 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2126
2127         PR bootstrap/52041
2128         PR bootstrap/52039
2129         PR target/51974
2130         * ree.c (add_removable_extension): Change def_map argument
2131         to unsigned *, store in def_map 1 + offset into *insn_list vector
2132         instead of pointers into the vector.
2133         (find_removable_extensions): Adjust caller.
2134
2135 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2136
2137         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2138         Transform all "* quoted-c-code" to { c-code }.
2139         Remove redundant test for "optimize" in combine patterns.
2140         Move (include "avr-dimode.md") to end of file.
2141
2142 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2143
2144         PR target/51835
2145         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2146         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2147
2148 2012-01-30  Richard Guenther  <rguenther@suse.de>
2149
2150         PR tree-optimization/52028
2151         * tree-loop-distribution.c (ldist_gen): Properly update
2152         virtual SSA form.
2153
2154 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2155
2156         PR debug/52027
2157         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2158         set_cur_line_info_table if not emitting debug info.
2159
2160         PR tree-optimization/52046
2161         * tree-vect-patterns.c (check_bool_pattern): Give up if
2162         a comparison could throw.
2163
2164         PR debug/52048
2165         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2166
2167 2012-01-30  Richard Guenther  <rguenther@suse.de>
2168
2169         PR tree-optimization/52045
2170         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2171         SSA form if cfgcleanup did anything.
2172
2173 2012-01-30  Richard Guenther  <rguenther@suse.de>
2174
2175         PR tree-optimization/52045
2176         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2177         before computing final todo.
2178
2179 2012-01-30  Richard Guenther  <rguenther@suse.de>
2180
2181         PR tree-optimization/51528
2182         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2183         for PR51528 fix.
2184
2185 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2186
2187         * df-problems.c (df_kill_notes): Check that the use refers
2188         to the note under examination.
2189
2190 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2191
2192         PR target/51920
2193         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2194         parameter and use short-lived pseudos.
2195         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2196         (sparc_expand_vector_init): Const-ify local variables and adjust
2197         calls to above functions.
2198
2199 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2200
2201         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2202
2203 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2204
2205         * doc/invoke.texi: Make usage of "compile time" and
2206         "run time"/"runtime" consistent throughout the file.
2207
2208 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2209
2210         * config/alpha/alpha.c (alpha_option_override): Default to
2211         full IEEE compliance mode for Go language.
2212
2213 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2214
2215         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2216         (LINK_SSP_SPEC): Define.
2217
2218 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2219
2220         PR target/51871
2221         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2222         stubs.
2223
2224 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2225
2226         * doc/invoke.texi: Correct hyphenation of "floating point",
2227         "double precision", and related terminology throughout the file.
2228
2229 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2230
2231         PR target/52006
2232         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2233         arm_general_register_operand predicate for operand 2 instead of
2234         register_operand.
2235
2236 2012-01-27  Ian Lance Taylor  <iant@google.com>
2237
2238         PR go/47656
2239         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2240         * builtins.c (expand_builtin_init_trampoline): Add onstack
2241         parameter.  Change caller.
2242         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2243         * tree.c (build_common_builtin_nodes): Declare
2244         __builtin_init_heap_trampoline.
2245
2246 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2247
2248         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2249         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2250         * config/avr/avr.c: Ditto.
2251         (avr_regnames): Remove because unused.
2252         * config/avr/avr.md (*cpse.ne): New peephole.
2253         (*cpse.eq): New peephole from former cpse peepholes.
2254
2255 2012-01-27  Michael Eager  <eager@eagercon.com>
2256
2257         * config/microblaze.c (microblaze_emit_compare): Correct
2258         test after pcmp instruction.
2259
2260 2012-01-27  Richard Guenther  <rguenther@suse.de>
2261
2262         PR tree-optimization/52020
2263         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2264
2265 2012-01-27  Richard Guenther  <rguenther@suse.de>
2266
2267         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2268         function non-const/pure.
2269
2270 2012-01-27  Richard Guenther  <rguenther@suse.de>
2271
2272         PR tree-optimization/50444
2273         * tree-sra.c (build_ref_for_offset): Properly adjust the
2274         MEM_REF type for unaligned accesses.
2275
2276 2012-01-27  Richard Guenther  <rguenther@suse.de>
2277
2278         PR tree-optimization/50444
2279         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2280         (expand_assignment): Use it.  Properly handle misaligned
2281         bases when expanding stores to component references.
2282         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2283         refactor that case.
2284
2285 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2286
2287         PR middle-end/51389
2288         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2289         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2290         * tree-data-ref.c (find_data_references_in_loop): Make static.
2291         (compute_all_dependences): Change return type to bool.  Bail out
2292         for too many datarefs in a loop.  Move the hunk resetting the data
2293         dependences vector from ...
2294         (compute_data_dependences_for_loop): ... here.  Account for
2295         compute_all_dependences returning false.
2296         (compute_data_dependences_for_bb): Likewise.
2297         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2298         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2299
2300 2012-01-27  Richard Guenther  <rguenther@suse.de>
2301
2302         PR middle-end/51959
2303         * expr.c (store_field): Use the alias-set of the scratch memory
2304         for storing to it.
2305
2306 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2307
2308         PR tree-optimization/51990
2309         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2310         WITH_SIZE_EXPR.
2311         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2312
2313 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2314
2315         PR debug/52001
2316         * var-tracking.c (reverse_op): Don't add any reverse operation
2317         if V already has any constant locations.
2318
2319 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2320
2321         * doc/invoke.texi: Correct usage of "command line" (noun)
2322         vs "command-line" (adjective) throughout.
2323
2324 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2325
2326         * doc/invoke.texi (Language Independent Options): Move
2327         -Wcoverage-mismatch blurb from here....
2328         (Warning Options): ...to here.
2329
2330 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2331
2332         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2333         Set rs6000_always_hint to false for 476.
2334
2335 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2336
2337         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2338           system root.
2339         * incpath.c (add_standard_paths): Likewise.
2340
2341 2012-01-27  Richard Henderson  <rth@redhat.com>
2342
2343         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2344         * config/m68k/sync.md (atomic_test_and_set): Rename from
2345         sync_test_and_setqi and adjust the operands.
2346         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2347         and unconditionally enable.
2348
2349 2012-01-27  Richard Henderson  <rth@redhat.com>
2350
2351         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2352         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2353         (ldstub): Rename from ldstubqi.
2354         (ldstub<I24MODE>): Remove.
2355
2356 2012-01-27  Richard Henderson  <rth@redhat.com>
2357
2358         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2359         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2360         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2361         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2362         * doc/tm.texi: Rebuild.
2363
2364 2012-01-27  Richard Henderson  <rth@redhat.com>
2365
2366         * optabs.c (gen_atomic_test_and_set): Remove default.
2367         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2368
2369 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2370
2371         PR rtl-optimization/51978
2372         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2373         (combine_reaching_defs): Likewise.
2374         (struct re_info): Remove.
2375         (add_removable_extension): Remove x and data arguments,
2376         add insn, insn_list and def_map.  Use the arguments directly
2377         instead of using struct re_info.
2378         (find_removable_extensions): Don't call add_removable_extension
2379         through note_stores, instead just call it with single_set
2380         result if non-NULL.
2381         (find_and_remove_re): Pass curr_cand->expr instead of
2382         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2383
2384 2012-01-26  Michael Matz  <matz@suse.de>
2385
2386         PR tree-optimization/46590
2387         * cfgexpand.c: Revert last change (r183305).
2388         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2389         regs.
2390         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2391         checking for emptiness.
2392
2393 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2394
2395         PR middle-end/51895
2396         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2397         non-addressable non-BLKmode base correctly.
2398
2399 2012-01-26  Michael Matz  <matz@suse.de>
2400
2401         PR tree-optimization/48794
2402         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2403         regions referenced from RESX/EH_DISPATCH.
2404
2405 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2406
2407         * config/s390/s390.h: Make BRANCH_COST an option.
2408         * config/s390/s390.opt: New option -mbranch-cost.
2409
2410 2012-01-26  Richard Henderson  <rth@redhat.com>
2411
2412         Revert 2012-01-24 change:
2413         * trans-mem.c (requires_barrier): Do not instrument thread local
2414         variables and emit save/restore for them.
2415
2416 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2417
2418         PR middle-end/51986
2419         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2420         for pat == 0.
2421
2422 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2423
2424         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2425         ASM_OPERANDS.
2426
2427 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2428
2429         PR target/49868
2430         Rename __pgm to __flash.
2431         Rename __pgm1 to __flash1.
2432         Rename __pgm2 to __flash2.
2433         Rename __pgm3 to __flash3.
2434         Rename __pgm4 to __flash4.
2435         Rename __pgm5 to __flash5.
2436         Rename __pgmx to __memx.
2437         * doc/extend.texi (AVR Named Address Spaces)
2438         Rename address space names as indicated above.
2439         * config/avr/avr.c (avr_addrspace): Ditto.
2440
2441         * config/avr/avr-protos.h
2442         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2443         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2444         * config/avr/predicates.md: Ditto.
2445         * config/avr/avr.c Ditto, and
2446         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2447         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2448
2449         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2450         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2451         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2452         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2453         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2454         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2455         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2456         * config/avr/avr.c: Ditto.
2457         * config/avr/avr.md: Ditto.
2458
2459 2012-01-25  Jason Merrill  <jason@redhat.com>
2460
2461         PR c++/51992
2462         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2463
2464 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2465
2466         PR tree-optimization/51987
2467         * tree-data-ref.c (get_references_in_stmt): Handle references in
2468         non-volatile GIMPLE_ASM.
2469
2470 2012-01-25  Richard Guenther  <rguenther@suse.de>
2471
2472         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2473         bases are dereferenced.
2474
2475 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2476
2477         PR rtl-optimization/48374
2478         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2479
2480 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2481
2482         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2483         compute_data_dependences_for_loop returns false.
2484         * tree-parloops.c (loop_parallel_p): Likewise.
2485
2486 2012-01-25  Richard Guenther  <rguenther@suse.de>
2487
2488         * tree.h (get_pointer_alignment_1): Declare.
2489         * builtins.c (get_pointer_alignment_1): New function.
2490         (get_pointer_alignment): Use it.
2491
2492 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2493
2494         PR rtl-optimization/48308
2495         * combine.c (enum undo_kind): Add UNDO_LINKS.
2496         (struct undo): Add member l to other_contents and where.
2497         (do_SUBST_LINK): New.
2498         (SUBST_LINK): New.
2499         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2500         (undo_all): Handle UNDO_LINKS.
2501
2502 2012-01-25  Richard Henderson  <rth@redhat.com>
2503
2504         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2505         mem inputs.
2506
2507 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2508
2509         * optabs.c (gen_atomic_test_and_set): Use each argument.
2510
2511 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2512
2513         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2514         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2515         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2516         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2517         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2518         TARGET_PAIRED_SINGLE_FLOAT.
2519
2520 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2521
2522         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2523         (in_struct, return_val): Remove MEM documentation.
2524         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2525         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2526         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2527         and MEM_SCALAR.
2528         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2529         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2530         * expr.c (store_field): Likewise.
2531         * function.c (assign_stack_temp_for_type): Likewise.
2532         * ifcvt.c (noce_try_cmove_arith): Likewise.
2533         * reload1.c (reload): Likewise.
2534         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2535         (alpha_set_memflags): Likewise.
2536         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2537
2538 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2539
2540         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2541         parameter.
2542         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2543         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2544         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2545         varies parameter.
2546         * cselib.c (cselib_rtx_varies_p): Delete.
2547         (cselib_invalidate_mem): Update call to canon_true_dependence.
2548         * dse.c (record_store, check_mem_read_rtx): Likewise.
2549         (scan_reads_nospill): Likewise.
2550         * cse.c (check_dependence): Likewise.
2551         (cse_rtx_varies_p): Delete.
2552         * expr.c (safe_from_p): Update call to true_dependence.
2553         * ira.c (validate_equiv_mem_from_store): Likewise.
2554         (memref_referenced_p): Likewise.
2555         * postreload-gcse.c (find_mem_conflicts): Likewise.
2556         * sched-deps.c (sched_analyze_2): Likewise.
2557         * store-motion.c (load_kills_store): Likewise.
2558         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2559         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2560         (compute_transp): Update call to canon_true_dependence.
2561
2562 2012-01-25  Richard Henderson  <rth@redhat.com>
2563
2564         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2565         (maybe_emit_atomic_test_and_set): New.
2566         (expand_sync_lock_test_and_set): Use it.
2567         (expand_atomic_test_and_set): Likewise.
2568         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2569         the implementation; clarify implementation defined details.
2570         * doc/md.texi (atomic_test_and_set): Document.
2571
2572 2012-01-25  Richard Henderson  <rth@redhat.com>
2573
2574         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2575
2576 2012-01-25  Richard Henderson  <rth@redhat.com>
2577
2578         PR target/51968
2579         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2580         to effect no-op split.
2581
2582 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2583
2584         PR lto/51698
2585         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2586         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2587         (BT_FN_VOID_PTR_INT_SIZE): New.
2588         (BT_FN_UINT_UINT_VAR): Remove.
2589         (BT_FN_UINT32_UINT32_VAR): New.
2590         (BT_FN_DOUBLE_VPTR): Remove.
2591         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2592
2593         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2594         (_ITM_changeTransactionMode): Same.
2595         (_ITM_memmoveRtWt): Change return type to void.
2596         (_ITM_memcpyRtWt): Same.
2597         (_ITM_memsetW): Same.
2598         (_ITM_RaRD): Change types to double.
2599         (_ITM_RD): Same.
2600         (_ITM_RaWD): Same.
2601         (_ITM_RfWD): Same.
2602
2603         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2604
2605 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2606             Patrick Marlier  <patrick.marlier@gmail.com>
2607
2608         * trans-mem.c (requires_barrier): Do not instrument thread local
2609         variables and emit save/restore for them.
2610
2611 2012-01-24  Jason Merrill  <jason@redhat.com>
2612
2613         PR c++/51812
2614         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2615         output static aliases.
2616
2617 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR driver/47249
2620         * common.opt (-pie, -shared, pie, shared): Change from Common to
2621         Driver.
2622         * gcc.c (display_help): Display help for -pie and -shared.
2623
2624 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2625
2626         PR target/49868
2627         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2628         Remove note on size/offset limitation.
2629         (AVR Variable Attributes): Add example how to read data located
2630         with progmem.  Refer to named address spaces.
2631         * doc/invoke.texi (AVR Options): Fix typo.
2632
2633 2012-01-24  Richard Guenther  <rguenther@suse.de>
2634
2635         Forward-port to trunk
2636         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2637
2638         PR middle-end/45678
2639         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2640         op0 isn't sufficiently aligned and there is movmisalignM
2641         insn for mode, use it to load op0 into a temporary register.
2642
2643 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2644
2645         PR target/51957
2646         * target.def (const_not_ok_for_debug_p): New hook.
2647         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2648         documentation.
2649         * doc/tm.texi: Regenerated.
2650         * dwarf2out.c (const_ok_for_output_1): If
2651         targetm.const_not_ok_for_debug_p returns true, fail.
2652         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2653         function.
2654         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2655
2656 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2657
2658         PR target/51900
2659         * config/i386/predicates.md (symbolic_operand): Allow
2660         UNSPEC_PCREL as PIC expression for lea.
2661         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2662         * config/i386/i386.c (ix86_delegitimize_address): Handle
2663         UNSPEC_PCREL for none-MEM, too.
2664
2665 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2666
2667         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2668         (ipa_tm_create_version_alias): Same.
2669
2670 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2671
2672         PR libitm/51830
2673         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2674         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2675
2676 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2677             Patrick Marlier  <patrick.marlier@gmail.com>
2678             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2679
2680         PR lto/51916
2681         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2682         simple_object_start_read.
2683
2684 2012-01-23  Richard Guenther  <rguenther@suse.de>
2685
2686
2687         PR tree-optimization/51895
2688         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2689         parameter decomposition into BLKmode components.
2690
2691 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2692
2693         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2694         fake variables for restrict-qualified pointers whose pointed-to type
2695         contains a placeholder.
2696
2697 2012-01-23  Richard Guenther  <rguenther@suse.de>
2698
2699         PR tree-optimization/51949
2700         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2701
2702 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2703
2704         PR rtl-optimization/51933
2705         * ree.c (transform_ifelse): Return true right away if dstreg is
2706         already wider or equal to cand->mode.
2707         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2708         (make_defs_and_copies_lists): Remove defs_list and copies_list
2709         arguments, add state argument, just truncate state->work_list
2710         instead of always allocating and freeing the vector.  Assert that
2711         get_defs succeeds instead of returning 2.  Changed return type to bool.
2712         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2713         have ext_src_mode, see if it has been modified already with the
2714         right kind of extension and has been extended before from the
2715         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2716         just return true.  Remember the original mode in state->modified array.
2717         (combine_reaching_defs): Add state argument.  Don't allocate and
2718         free here def_list, copied_list and vec vectors, instead just
2719         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2720         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2721         Add state variable, clear vectors in it, initialize state.modified
2722         if needed.  Free all the vectors at the end and state.modified too.
2723         Don't skip a candidate if the extension expression has been modified.
2724
2725 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2726
2727         PR target/47096
2728         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2729          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2730         (extra_options) interix.opt -> i386/interix.opt"
2731         (extra_objs):Add winnt-stubs.o
2732         * configure.ac: Add interix to target_os .comm on PE check.
2733         * configure: Regenerate.
2734         * config/interix3.h: Delete and move bits to..
2735         * config/interix.h: Delete and move bits to..
2736         * config/i386/i386-interix3.h: Delete and move bits to..
2737         * config/i386/i386-interix.h: ..here.
2738         (TARGET_CPU_DEFAULT): Remove redefinition.
2739         (TARGET_ASM_CONSTRUCTOR): Undefine.
2740         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2741         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2742         (PTRDIFF_TYPE): Define.
2743         (LONG_DOUBLE_TYPE_SIZE): Define.
2744         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2745         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2746         (TARGET_SECTION_TYPE_FLAGS): Define.
2747         (ASM_DECLARE_FUNCTION_NAME): Define.
2748         (ASM_OUTPUT_EXTERNAL): Define.
2749         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2750         (ASM_OUTPUT_ALIGNED_BSS): Define.
2751         (PCC_BITFIELD_TYPE_MATTERS): Define.
2752         (USE_CONST_SECTION): Define.
2753         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2754         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2755         (SUPPORTS_ONE_ONLY): Remove.
2756         (I386_PE_STRIP_ENCODING): Define.
2757         * config/interix.opt: Delete and move bits to..
2758         * config/i386/interix.opt: ..here. New.
2759         (mpe-aligned-commons): Add.
2760         * config/i386/t-interix: Add copyright header.
2761         (winnt-stubs.o): Add rule.
2762
2763 2012-01-22  Jason Merrill  <jason@redhat.com>
2764
2765         PR c++/51832
2766         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2767         for extra name aliases.
2768
2769 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2770
2771         PR rtl-optimization/51924
2772         * ree.c (combine_set_extension): Improve debugging message.
2773         (combine_reaching_defs): Likewise.
2774         (get_defs): Rename confusingly named variable.
2775         (find_and_remove_re): Skip a candidate if the extension expression has
2776         been modified.
2777
2778 2012-01-21  Robert Millan  <rmh@gnu.org>
2779             Gerald Pfeifer  <gerald@pfeifer.com>
2780
2781         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2782         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2783
2784 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR tree-optimization/51914
2787         * tree-vect-stmts.c (vectorizable_conversion): For
2788         cvt_type && modifier == WIDEN, put temporary with cvt_type
2789         at the beginning of vec_dsts and set vec_dest to temporary
2790         with vectype_out.
2791
2792 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2793
2794         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2795
2796 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2797
2798         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2799         * config/rs6000/rs6000.c: Likewise.
2800
2801 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2802
2803         PR target/51915
2804         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2805         output_move_double on a copy of operands array.
2806
2807 2012-01-20  Cary Coutant  <ccoutant@google.com>
2808             Dodji Seketeli  <dodji@redhat.com>
2809
2810         PR debug/45682
2811         * dwarf2out.c (copy_declaration_context): Return ref to parent
2812         of declaration DIE, if necessary.
2813         (remove_child_or_replace_with_skeleton): Add new parameter; update
2814         caller.  Place skeleton DIE under parent DIE of original declaration.
2815         Move call to copy_declaration_context to here ...
2816         (break_out_comdat_types): ... from here.
2817
2818 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2819
2820         PR rtl-optimization/51856
2821         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2822         flag to reloaded.
2823
2824 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2825
2826         PR target/51819
2827         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2828         hints for neon loads and stores.
2829
2830 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2831
2832         PR target/49868
2833         PR target/50887
2834         * doc/extend.texi (Named Address Spaces): Split into subsections.
2835         (AVR Named Address Spaces): New subsection.
2836         (M32C Named Address Spaces): New subsection.
2837         (RL78 Named Address Spaces): New subsection.
2838         (SPU Named Address Spaces): New subsection.
2839         (Variable Attributes): New anchor "AVR Variable Attributes".
2840         (AVR Variable Attributes): Rewrite and avoid wording
2841         "address space" in this context.
2842         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2843         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2844         (AVR Built-in Macros): New subsubsection therein.
2845         * doc/md.texi (AVR constraints): Remove "C04", "R".
2846
2847 2012-01-20  Richard Guenther  <rguenther@suse.de>
2848
2849         PR tree-optimization/51903
2850         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2851         when removing stmts.
2852
2853 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2854
2855         PR target/50313
2856         * config/arm/arm.c (arm_load_pic_register): Use
2857         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2858         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2859         (arm_pic_static_addr): Likewise.
2860         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2861         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2862         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2863         (pic_load_addr_unified): New.
2864
2865 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2866
2867         PR target/51106
2868         * function.c (instantiate_virtual_regs_in_insn): Use
2869         delete_insn_and_edges when removing a wrong asm insn.
2870
2871 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2872
2873         PR rtl-optimization/40761
2874         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2875         Add new member loop_num.
2876         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2877         (ira_build): Remove the parameter.
2878
2879         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2880         (ira.c): Do not build CFG loops for one region allocation.  Remove
2881         argument from ira_build call.
2882
2883         * ira-build.c (init_loop_tree_node): New function.
2884         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2885         loops are not built.
2886         (more_one_region_p): Check current_loops.
2887         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2888         built.
2889         (add_loop_to_tree): Process loop equal to NULL too.
2890         (form_loop_tree): Separate the case when CFG loops are not built.
2891         Use explicitly number for the root.
2892         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2893         an assertion.
2894         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2895         instead of loop->num.
2896         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2897         (mark_all_loops_for_removal): Ditto.
2898         (remove_unnecessary_regions): Separate the case when CFG loops
2899         are not built.
2900         (ira_build): Remove the parameter.  Use explicit number of regions
2901         when CFG loops are not built.
2902
2903         * ira-color.c (print_loop_title): Separate the case for the root node.
2904         Use loop_num instead of loop->num.
2905         (move_spill_restore): Use loop_num instead of loop->num.
2906
2907         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2908         (change_loop): Ditto.
2909         (change_loop): Use loop_num instead of loop->num.
2910
2911         * ira-lives.c (process_bb_node_lives): Ditto.
2912
2913         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2914
2915         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2916
2917 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2918
2919         PR libmudflap/40778
2920         * tree-mudflap.c (mf_artificial): New function.
2921         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2922         mx_register_decls, mudflap_enqueue_decl): Use it.
2923
2924         PR target/51876
2925         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2926         numbers in the insn pattern.
2927
2928 2012-01-19  Michael Matz  <matz@suse.de>
2929
2930         PR tree-optimization/46590
2931         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2932         use it in remembering which conflicts we already created.
2933         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2934         bitmap.
2935
2936 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2937
2938         PR lto/51280
2939         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2940         (merge_and_complain): Same.
2941
2942 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2943
2944         PR bootstrap/50237
2945         * config/initfini-array.h: Guard content of the header
2946         with #ifdef HAVE_INITFINI_ARRAY.
2947         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2948         Add initfini-array.h to tm_file here.
2949         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2950         * config.gcc: Don't add initfini-array.h to tm_file here.
2951         * configure: Regenerated.
2952
2953 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2954
2955         PR rtl-optimization/51505
2956         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2957         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2958         (df_note_bb_compute): Update the call to df_kill_notes.
2959
2960 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2961
2962         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2963
2964 2012-01-18  Richard Guenther  <rguenther@suse.de>
2965
2966         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2967         of conversions to void *.
2968
2969 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2970             Richard Sandiford  <rdsandiford@googlemail.com>
2971
2972         PR middle-end/50325
2973         PR middle-end/51192
2974         * optabs.h (simplify_expand_binop): Declare.
2975         * optabs.c (simplify_expand_binop): Make global.
2976         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2977         endian targets if the source cannot be exactly covered by word
2978         mode chunks.
2979
2980 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2981
2982         PR bootstrap/51872
2983         * hard-reg-set.h (struct hard_reg_set_container): New type.
2984         * target.h (struct hard_reg_set_container): Forward declare.
2985         * target.def (set_up_by_prologue): New target hook.
2986         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2987         * doc/tm.texi: Regenerated.
2988         * function.c (thread_prologue_and_epilogue_insns): Change
2989         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2990         Call targetm.set_up_by_prologue on it.
2991         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2992         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2993
2994 2012-01-17  Nick Clifton  <nickc@redhat.com>
2995
2996         * config/rx/rx.c (rx_can_use_simple_return): New function.
2997         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2998         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2999
3000 2012-01-17  Richard Guenther  <rguenther@suse.de>
3001
3002         PR middle-end/51782
3003         * expr.c (expand_assignment): Take address-space information
3004         from the address operand of MEM_REF and TARGET_MEM_REF.
3005         (expand_expr_real_1): Likewise.
3006
3007 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3008
3009         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3010         reload dump is requested.
3011
3012 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3013
3014         PR other/51165
3015         * trans-mem.c (requires_barrier): Call may_be_aliased.
3016
3017 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3018
3019         PR tree-optimization/51877
3020         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3021         call arguments and fndecls compare equal, instead return false if they
3022         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3023         both SSA_NAMEs that are valueized the same, or they satisfy
3024         operand_equal_p.
3025
3026 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3027
3028         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3029         Solaris 11+.
3030         * configure: Regenerate.
3031
3032 2012-01-16  Jan Hubicka  <jh@suse.cz>
3033
3034         PR c/12245
3035         PR c++/14179
3036         * convert.c (convert_to_integer): Use fold_convert for
3037         converting an INTEGER_CST to integer type.
3038
3039 2012-01-16  Jason Merrill  <jason@redhat.com>
3040
3041         PR c++/14179
3042         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3043
3044 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3045
3046         PR bootstrap/51860
3047         * config/s390/s390.c (s390_chunkify_start): Don't skip
3048         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3049         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3050         If insn is followed by NOTE_INSN_VAR_LOCATION or
3051         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3052         Don't use location of note insns.
3053
3054         PR tree-optimization/51865
3055         * tree-inline.c (tree_function_versioning): Call remap_decl
3056         on DECL_RESULT whenever it has VOID_TYPE_P type.
3057
3058 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3059
3060         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3061         for calls to locally-binding MIPS16 functions if only the return
3062         type uses float regs.
3063
3064 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3065             Richard Sandiford  <rdsandiford@googlemail.com>
3066
3067         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3068         (SYMBOL_32_HIGH): Likewise.
3069         (mips_output_tls_reloc_directive): Declare.
3070         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3071         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3072         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3073         (mips_lo_relocs, mips_hi_relocs): Make extern.
3074         (mips16_stub_function): Move up file.
3075         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3076         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3077         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3078         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3079         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3080         (mips_get_tp): Add MIPS16 support.
3081         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3082         Generalize DTPREL and TPREL handling.
3083         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3084         Add MIPS16 TLS support.
3085         (mips_output_tls_reloc_directive): New function.
3086         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3087         * config/mips/predicates.md (symbolic_operand_with_high)
3088         (tls_reloc_operand): New predicates.
3089         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3090         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3091         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3092         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3093         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3094         (*tls_get_tp_mips16_call_<mode>): Likewise.
3095
3096 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3097
3098         PR rtl-optimization/51821
3099         * recog.c (peep2_find_free_register): Determine clobbered registers
3100         from insn pattern.
3101
3102 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3103
3104         PR target/50925
3105         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3106         * config/avr/avr.c: Likewise.
3107         * config/avr/avr.h: Likewise.
3108
3109 2012-01-13  Ian Lance Taylor  <iant@google.com>
3110
3111         PR c++/50012
3112         * tree.h (TYPE_QUALS): Add cast to int.
3113         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3114
3115 2012-01-13  Ian Lance Taylor  <iant@google.com>
3116
3117         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3118         comparing param_index to VEC_length result.
3119
3120 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3121
3122         * c-decl.c: Do not include tree-mudflap.h
3123         * tree-optimize.c: Likewise.
3124         * Makefile.in: Update dependencies.
3125
3126 2012-01-13  Richard Guenther  <rguenther@suse.de>
3127
3128         PR middle-end/8081
3129         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3130         variable-sized result always use RSO.
3131
3132 2012-01-12  DJ Delorie  <dj@redhat.com>
3133
3134         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3135         pointer type, not just the default pointer type.
3136
3137 2012-01-09  Richard Henderson  <rth@redhat.com>
3138             Denis Chertykov  <chertykov@gmail.com>
3139
3140         PR target/50925
3141         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3142         * config/avr/avr.c (avr_can_eliminate): Simplify.
3143         (avr_initial_elimination_offset): Likewise.
3144         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3145         (expand_epilogue): Likewise.
3146         (avr_legitimize_address): Gut.
3147         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3148         (avr_hard_regno_nregs): New.
3149         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3150         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3151         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3152         add soft frame pointer.
3153         (CALL_USED_REGISTERS): Likewise.
3154         (REG_CLASS_CONTENTS): Likewise.
3155         (REGISTER_NAMES): Likewise.
3156         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3157         (HARD_FRAME_POINTER_REGNUM): New.
3158         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3159         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3160         remove the HARD_FRAME_POINTER self-elimination.
3161
3162 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3163
3164         PR target/51756
3165         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3166         DECL_EXTERNAL when checking for initializers of progmem variables.
3167
3168 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3169
3170         PR tree-optimization/51799
3171         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3172         that the last operation is a type demotion.
3173
3174 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3175
3176         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3177         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3178
3179 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3180
3181         PR bootstrap/51796
3182         * combine.c (distribute_notes): If i3 is a noreturn call,
3183         allow old_size to be equal to args_size and make sure the
3184         noreturn call gets REG_ARGS_SIZE note.
3185         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3186         on noreturn calls even when the delta is 0.
3187
3188 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3189
3190         * gcov.c (STRING_SIZE): Remove.
3191         (generate_results): Erase annotations for source files with no
3192         coverage information.
3193         (read_line): New.
3194         (output_lines): Use it.
3195
3196 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3197
3198         * gimple.h (gimplify_body): Remove first argument.
3199         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3200         pointer set here, instead just pass DATA to walk_tree.
3201         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3202         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3203         (unvisit_body): Likewise, but with unmark_visited.
3204         (gimplify_body): Remove BODY_P argument and adjust.
3205         (gimplify_function_tree): Adjust call to gimplify_body.
3206         * omp-low.c (finalize_task_copyfn): Likewise.
3207
3208 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3209
3210         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3211         (build_function_type_skip_args): Delete.
3212         * tree.c (build_function_type_skip_args): Make static and add
3213         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3214         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3215         pass it to build_function_type_skip_args.
3216         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3217         (tree_function_versioning): Likewise.
3218         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3219         build_function_decl_skip_args.
3220         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3221         and pass it to build_function_decl_skip_args/tree_function_versioning.
3222         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3223         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3224         * trans-mem.c (ipa_tm_create_version): Likewise.
3225         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3226         * tree-inline.c (declare_return_variable): Remove always-true test.
3227         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3228         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3229         * ipa-split.c (split_function): Skip the return value for the split
3230         part if it doesn't return.
3231
3232 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3233
3234         PR tree-optimization/49642
3235         * ipa-split.c (forbidden_dominators): New variable.
3236         (check_forbidden_calls): New function.
3237         (dominated_by_forbidden): Likewise.
3238         (consider_split): Check for forbidden dominators.
3239         (execute_split_functions): Initialize and free forbidden
3240         dominators info; call check_forbidden_calls.
3241
3242 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3243
3244         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3245
3246 2012-01-11  Nick Clifton  <nickc@redhat.com>
3247
3248         * config/rx/rx.md (return): Define pattern.
3249
3250 2012-01-11  Richard Guenther  <rguenther@suse.de>
3251
3252         * doc/extend.texi (malloc attribute): Adjust according to
3253         implementation.
3254
3255 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3256             Patrick Marlier  <patrick.marlier@gmail.com>
3257
3258         PR middle-end/51516
3259         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3260         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3261         (ipa_tm_note_irrevocable): Same.
3262         (ipa_tm_scan_irr_block): Same.
3263         (ipa_tm_decrement_clone_counts): Same.
3264         (ipa_tm_scan_irr_function): Same.
3265         (ipa_tm_create_version_alias): Same.
3266         (ipa_tm_create_version): Same.
3267         (ipa_tm_transform_calls_redirect): Same.
3268         (ipa_tm_transform_calls): Same.
3269         (ipa_tm_transform_transaction): Same.
3270         (ipa_tm_execute): Same.
3271
3272 2012-01-10  Richard Guenther  <rguenther@suse.de>
3273
3274         PR middle-end/51806
3275         * opts.c (common_handle_option): Handle -Werror.
3276
3277 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3278
3279         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3280         operand number.
3281
3282 2012-01-10  Jason Merrill  <jason@redhat.com>
3283
3284         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3285         information.
3286
3287 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3288
3289         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3290         supports R_386_TLS_GD_PLT reloc.
3291         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3292         supports R_386_TLS_LDM_PLT reloc.
3293         * configure: Regenerate.
3294         * config.in: Regenerate.
3295
3296 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3297
3298         PR target/49868
3299         Extend __pgmx semantics to linearize memory.
3300         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3301         determine if code comes inline or from libgcc.
3302         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3303         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3304         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3305         (movmemx_qi, movmemx_hi): New insns.
3306         (xload_<mode>_libgcc): Rewrite to new insn condition.
3307         (xload_<mode>): Remove insns.
3308         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3309         cases that don't satisfy avr_xload_libgcc_p().
3310         (avr_addr_space_convert): Allow converting in any direction.
3311         (avr_addr_space_subset_p): Return always true.
3312         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3313         (avr_emit_movmemhi): Ditto.
3314         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3315         (avr_out_movmem): Ditto.
3316         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3317         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3318         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3319         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3320         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3321
3322 2012-01-10  Richard Guenther  <rguenther@suse.de>
3323
3324         PR tree-optimization/50913
3325         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3326         Require data-refs to be representable by Graphite with respect
3327         to any loop nest.
3328
3329 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3330
3331         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3332         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3333
3334 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3335
3336         PR rtl-optimization/51271
3337         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3338         handling annulled branch.
3339
3340 2012-01-10  Richard Henderson  <rth@redhat.com>
3341
3342         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3343         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3344         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3345         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3346         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3347         arm_expand_vec_perm_const): New.
3348         * config/arm/arm-protos.h: Update.
3349         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3350         (*neon_vswp<VDQX>): New.
3351         (neon_vcombine<VDX>): Use neon_split_vcombine.
3352         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3353         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3354         (vec_perm<VE>): New.
3355
3356 2012-01-10  Richard Henderson  <rth@redhat.com>
3357
3358         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3359         use it if reload_completed.
3360         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3361         arm_output_asm_insn, arm_process_output_memory_barrier,
3362         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3363         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3364         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3365         arm_process_output_sync_insn, arm_output_sync_insn,
3366         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3367         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3368         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3369         (emit_unlikely_jump): New.
3370         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3371         (arm_split_atomic_op): New.
3372         * config/arm/arm-protos.h: Update.
3373         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3374         (struct arm_sync_generator): Remove.
3375         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3376         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3377         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3378         (VUNSPEC_LL, VUNSPEC_SC): New.
3379         (sync_result, sync_memory, sync_required_value, sync_new_value,
3380         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3381         (attr length): Don't use arm_sync_loop_insns.
3382         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3383         (movsfcc, movdfcc): Likewise.
3384         * config/arm/constraints.md (Ua): New.
3385         * config/arm/prediates.md (mem_noofs_operand): New.
3386         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3387         (sync_clobber, sync_t2_reqd): Remove.
3388         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3389         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3390         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3391         (arm_sync_compare_and_swap<SIDI>): Remove.
3392         (arm_sync_compare_and_swap<NARROW>): Remove.
3393         (arm_sync_lock_test_and_set<SIDI>): Remove.
3394         (arm_sync_lock_test_and_set<NARROW>): Remove.
3395         (arm_sync_new_<syncop><SIDI>): Remove.
3396         (arm_sync_new_<syncop><NARROW>): Remove.
3397         (arm_sync_new_nand<SIDI>): Remove.
3398         (arm_sync_new_nand<NARROW>): Remove.
3399         (arm_sync_old_<syncop><SIDI>): Remove.
3400         (arm_sync_old_<syncop><NARROW>): Remove.
3401         (arm_sync_old_nand<SIDI>): Remove.
3402         (arm_sync_old_nand<NARROW>): Remove.
3403         (*memory_barrier): Merge arm_output_memory_barrier.
3404         (atomic_compare_and_swap<QHSD>): New.
3405         (atomic_compare_and_swap<NARROW>_1): New.
3406         (atomic_compare_and_swap<SIDI>_1): New.
3407         (atomic_exchange<QHSD>): New.
3408         (cas_cmp_operand, cas_cmp_str): New.
3409         (atomic_op_operand, atomic_op_str): New.
3410         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3411         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3412         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3413         (arm_load_exclusive<NARROW>): New.
3414         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3415         (arm_store_exclusive<QHSD>): New.
3416
3417 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3418
3419         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3420         reload patterns if -mvsx-scalar-memory.
3421
3422         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3423         generated, even -mno-vsx-scalar-double was used.
3424         (vsx_xscvdpsp_scalar): Likewise.
3425         (vsx_xscvspdp_scalar2): Likewise.
3426
3427 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3428             Andrew Pinski  <apinski@cavium.com>
3429
3430         PR debug/51471
3431         * reorg.c (fill_slots_from_thread): Don't speculate
3432         frame-related insns.
3433
3434 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3435
3436         * sched-int.h (bb_note): Move to...
3437         * basic-block.h: ...here.
3438         * haifa-sched.c (bb_note): Move to...
3439         * cfgrtl.c: ...here.
3440         * function.c (next_block_for_reg): New function.
3441         (move_insn_for_shrink_wrap): Likewise.
3442         (prepare_shrink_wrap): Rewrite to use the above.
3443
3444 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3445
3446         * gimple.c (is_gimple_non_addressable): Remove.
3447         * gimple.h: Remove is_gimple_non_addressable.
3448         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3449         is_gimple_non_addressable.
3450         * trans-mem.c (expand_assign_tm): Same.
3451
3452 2012-01-09  Richard Guenther  <rguenther@suse.de>
3453
3454         PR tree-optimization/51775
3455         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3456         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3457
3458 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3459
3460         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3461         tuning parameters.
3462         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3463
3464 2012-01-09  Richard Guenther  <rguenther@suse.de>
3465
3466         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3467
3468 2012-01-08  Jan Hubicka  <jh@suse.cz>
3469
3470         PR tree-optimize/51680
3471         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3472         on when known_vals needs to be computed; cleanup.
3473
3474 2012-01-08  Jan Hubicka  <jh@suse.cz>
3475
3476         PR tree-optimize/51694
3477         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3478
3479 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3480
3481         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3482         for -std=c++98 and -std=c++11 too.
3483
3484 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3485
3486         * cfgloop.c (cancel_loop): Add free() of bbs array.
3487
3488 2012-01-07  Jan Hubicka  <jh@suse.cz>
3489
3490         PR tree-optimization/51600
3491         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3492         that benefits small functions.
3493
3494 2012-01-07  Jan Hubicka  <jh@suse.cz>
3495
3496         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3497
3498 2012-01-07  Jan Hubicka  <jh@suse.cz>
3499
3500         PR tree-optimization/51680
3501         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3502         whose inlining reduce unit size.
3503
3504 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3505