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2012-04-13 Tom de Vries <tom@codesourcery.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-13  Tom de Vries  <tom@codesourcery.com>
2
3         Backport from mainline r186418.
4
5         2012-04-13  Tom de Vries  <tom@codesourcery.com>
6
7         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
8         parameters vuse and vuse_escaped.
9         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
10         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
11         vuse1 != vuse2.
12
13 2012-04-13  Richard Guenther  <rguenther@suse.de>
14
15         PR tree-optimization/52969
16         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
17         the condition for the COND_EXPR and handle predicate negation
18         by swapping the COND_EXPR arms.
19
20 2012-04-13  Richard Guenther  <rguenther@suse.de>
21
22         PR c/52862
23         * convert.c (convert_to_pointer): Remove special-casing of
24         zero.
25
26 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
27
28         Backport from mainline
29         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
30
31         PR target/52775
32         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
33         the list of options to enable the FCFID instruction.
34         (TARGET_EXTRA_BUILTINS): Adjust comment.
35
36 2012-04-12  Richard Guenther  <rguenther@suse.de>
37
38         PR tree-optimization/52943
39         * tree-chrec.h (chrec_is_positive): Remove.
40         * tree-scalar-evolution.c (chrec_is_positive): Move ...
41         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
42         Return false for a constant zero instead of negative.
43         (analyze_siv_subscript_cst_affine): Handle zero difference
44         in the initial condition explicitely.
45
46 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
47
48         PR middle-end/52894
49         * varasm.c (process_pending_assemble_externals): Set
50         pending_assemble_externals_processed true.
51         (assemble_external): Call assemble_external_real if the pending
52         assemble externals have been processed.
53
54 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
55
56         PR target/52717
57         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
58         the DECL generated for the special GOT helper.
59
60 2012-04-06  Walter Lee  <walt@tilera.com>
61
62         Backport from mainline
63         2012-03-07  Walter Lee  <walt@tilera.com>
64
65         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
66         REG_CFA_* notes for the stack pointer.
67         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
68         EH_RETURN_STACKADJ_RTX.
69         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
70         generate REG_CFA_* notes for the stack pointer.
71         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
72         by EH_RETURN_STACKADJ_RTX.
73
74 2012-04-06  Matt Turner  <mattst88@gmail.com>
75
76         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
77
78 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
79
80         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
81         of the destination isn't also a FP_REGS register.
82
83 2012-04-03  Richard Guenther  <rguenther@suse.de>
84
85         Backport from mainline
86         2012-03-02  Richard Guenther  <rguenther@suse.de>
87
88         PR tree-optimization/52406
89         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
90         (struct indices): Add unconstrained_base member.
91         (struct dr_alias): Remove unused vops member.
92         (DR_UNCONSTRAINED_BASE): New define.
93         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
94         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
95         be an artificial access that covers the whole indexed object,
96         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
97         plain decl base-objects to their MEM_REF variant.
98         (dr_may_alias_p): When the base-object of either data reference
99         has unknown size use only points-to information.
100         (compute_affine_dependence): Make dumps easier to read and
101         more verbose.
102         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
103         DR_REF when looking for packed references.
104         (vect_supportable_dr_alignment): Likewise.
105
106 2012-04-03  Richard Guenther  <rguenther@suse.de>
107
108         Backport from mainline
109         2012-03-15  Richard Guenther  <rguenther@suse.de>
110
111         PR middle-end/52580
112         * tree-data-ref.c (subscript_dependence_tester_1): Check
113         all dimensions for non-conflicting access functions.
114
115 2012-04-03  Richard Guenther  <rguenther@suse.de>
116
117         Backport from mainline
118         2012-03-06  Richard Guenther  <rguenther@suse.de>
119
120         PR middle-end/52493
121         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
122
123         2012-03-23  Richard Guenther  <rguenther@suse.de>
124
125         PR tree-optimization/52678
126         * tree-vectorizer.h (struct _stmt_vec_info): Add
127         loop_phi_evolution_part member.
128         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
129         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
130         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
131         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
132         Use the cached evolution part and the PHI nodes value from
133         the loop preheader edge instead of re-analyzing the evolution.
134
135         2012-03-26  Richard Guenther  <rguenther@suse.de>
136
137         PR tree-optimization/52701
138         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
139         compute and set the evolution part of PHI nodes.
140
141         2012-03-30  Richard Guenther  <rguenther@suse.de>
142
143         PR tree-optimization/52754
144         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
145         propagate arbitrary addresses into really plain dereferences.
146
147 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
148
149         PR tree-optimization/52835
150         * tree-data-ref.c (build_rdg): Return NULL if
151         compute_data_dependences_for_loop failed.
152
153 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
154
155         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
156         (stmt_can_make_abnormal_goto): Use it.
157         (is_ctrl_altering_stmt): Likewise.
158
159 2012-03-31  Martin Jambor  <mjambor@suse.cz>
160
161         Backported from mainline
162         2012-03-30  Martin Jambor  <mjambor@suse.cz>
163
164         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
165         is a builtin_stack_save in a dominating BB.
166
167 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
168
169         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
170         crossing 128bit lane boundary.
171
172 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
173
174         Backported from mainline
175         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
176
177         PR target/52698
178         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
179         New prototype.
180         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
181         * config/i386/i386.c: Include reload.h.
182         (ix86_legitimize_reload_address): New function.
183
184 2012-03-28  Martin Jambor  <mjambor@suse.cz>
185
186         Backported from mainline
187         2012-03-27  Martin Jambor  <mjambor@suse.cz>
188
189         PR middle-end/52693
190         * tree-sra.c (sra_modify_assign): Do not call
191         load_assign_lhs_subreplacements when working with an unscalarizable
192         region.
193
194 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
195
196         PR middle-end/52691
197         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
198         __builtin_va_start to __builtin_next_arg if the latter is
199         builtin_decl_explicit_p rather than when it is not.
200
201         PR middle-end/52750
202         * tree-vect-generic.c (vector_element): Perform multiplication
203         for pos in bitsizetype type instead of idx type.
204
205 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
206
207         Backport from 2012-03-28 mainline r185910.
208
209         PR target/52692
210         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
211         (avr_builtin_decl): New static function.
212         (struct avr_builtin_description, avr_bdesc): Move up.
213         Add GTY marker. Add field fndecl. Remove redundant field id.
214         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
215         (avr_expand_builtin): Code cleanup because .id is removed.
216
217 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
218
219         PR middle-end/51893
220         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
221         targets.
222
223 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
224
225         Backport from 2012-03-28 mainline r185907.
226
227         PR target/52737
228         * config.gcc (tm_file): Remove avr/multilib.h.
229
230         * doc/invoke.texi (AVR Options): Adjust
231         documentation of -mtiny-stack.
232
233         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
234         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
235         * config/avr/t-avr: Remove generation of multilib.h.
236         * config/avr/t-multilib: Regenerate.
237         * config/avr/multilib.h: Remove.
238         * config/avr/avr.opt (-msp8): New option.
239         (avr_sp8): New variable.
240         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
241         * config/avr/avr.h (AVR_HAVE_SPH): New define.
242         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
243         (avr_device_to_sp8): New prototype.
244         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
245         (DRIVER_SELF_SPECS): New define.
246         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
247         __AVR_SP8__, __AVR_HAVE_SPH__.
248         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
249         AVR_HAVE_8BIT_SP to decide if SP_H is present.
250         (avr_file_start): Ditto.
251
252 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
253
254         PR target/52736
255         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
256         instead of 8 in adjust_address.
257
258 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
259
260         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
261         of a unit before computing the offset in units.
262
263 2012-03-27  Richard Guenther  <rguenther@suse.de>
264
265         PR middle-end/52720
266         * fold-const.c (try_move_mult_to_index): Handle &x.array more
267         explicitely.
268
269 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
270
271         PR target/52610
272         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
273
274 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
275
276         PR middle-end/52640
277         * varasm.c: Include pointer-set.h.
278         (pending_assemble_externals_set): New pointer set.
279         (process_pending_assemble_externals): Destroy the pointer set.
280         (assemble_external): See if decl is in pending_assemble_externals_set,
281         and add it to pending_assemble_externals if necessary.
282         (init_varasm_once): Allocate pending_assemble_externals_set.
283
284 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
285
286         Backported from mainline
287         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
288
289         PR target/50310
290         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
291         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
292         (vector_ltgt<mode>): Likewise.
293         (vector_ordered<mode>): Likewise.
294         (vector_unordered<mode>): Likewise.
295         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
296
297 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
298
299         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
300         Make static.
301
302 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
303
304         Backported from mainline
305         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
306
307         PR target/48596
308         PR target/48806
309         * config/sh/sh.c (sh_register_move_cost): Increase cost between
310         GENERAL_REGS and FP_REGS for SImode.
311
312 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
313
314         PR middle-end/52547
315         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
316         on any new_local_var_chain vars declared during recursing on
317         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
318
319 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
320
321         Backport from 2012-03-22 mainline r185692.
322
323         PR target/52496
324         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
325         (unspecv): Add UNSPECV_MEMORY_BARRIER.
326         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
327         (delay_cycles_1, delay_cycles_2): Ditto.
328         (delay_cycles_3, delay_cycles_4): Ditto.
329         (nopv, *nopv): Ditto.
330         (sleep, *sleep): Ditto.
331         (wdr, *wdr): Ditto.
332
333         Backport from 2012-03-21 mainline r185605.
334
335         PR rtl-optimization/52543
336         PR target/52461
337         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
338         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
339         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
340         (avr_load_libgcc_p): Restrict to __flash loads.
341         (avr_out_lpm): Only handle 1-byte loads from __flash.
342         (avr_load_lpm): New function.
343         (avr_find_unused_d_reg): Remove.
344         (avr_out_lpm_no_lpmx): Remove.
345         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
346         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
347         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
348         (load_<mode>, load_<mode>_clobber): New insns.
349         (mov<mode>): For multi-byte move from non-generic
350         16-bit address spaces: Expand to load_<mode> resp.
351         load_<mode>_clobber.
352         (load<mode>_libgcc): Remove expander.
353         (split-lpmx): Remove split.
354
355         Backport from 2012-03-13 mainline r185329.
356
357         PR target/52488
358         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
359         offset (size) to a value the insns can deal with.
360         (expand_epilogue): Ditto.
361
362         Backport from 2012-03-12 mainline r185256.
363
364         PR target/52499
365         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
366         type from reg_class_t to enum reg_class.
367         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
368
369         Backport from 2012-03-12 mainline r185253.
370
371         PR target/52148
372         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
373         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
374         r184615 from 2012-02-28.
375
376         Backport from 2012-03-08 mainline r185105.
377
378         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
379         for constants in [-63,63].
380
381         Backport from 2012-03-08 mainline r185100.
382
383         PR target/52496
384         * config/avr/avr.c (avr_mem_clobber): New static function.
385         (avr_expand_delay_cycles): Add memory clobber operand to
386         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
387         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
388         (enable_interrupt, disable_interrupt): New expander.
389         (nopv, sleep, wdr): New expanders.
390         (delay_cycles_1): Add memory clobber.
391         (delay_cycles_2): Add memory clobber.
392         (delay_cycles_3): Add memory clobber.
393         (delay_cycles_4): Add memory clobber.
394         (cli_sei): New insn from former "enable_interrupt",
395         "disable_interrupt" with memory clobber.
396         (*wdt): New insn from former "wdt" with memory clobber.
397         (*nopv): Similar, but for "nopv".
398         (*sleep): Similar, but for "sleep".
399
400         Backport from 2012-03-07 mainline r185043.
401
402         PR target/52484
403         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
404
405         Backport from 2012-03-07 mainline r185032.
406
407         PR target/52506
408         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
409         to: RAMPZ, RAMPY, RAMPX, RAMPD.
410         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
411
412         Backport from 2012-03-07 mainline r185031.
413
414         PR target/52505
415         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
416         from RAM.
417         * config/avr/avr.md (xload_8): Adjust insn length.
418
419         Backport from 2012-03-07 mainline r185030.
420
421         PR target/52461
422         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
423         if RAMPZ affects reading from RAM.
424
425         Backport from 2012-03-05 mainline r184919.
426
427         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
428
429 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
430
431         Backport from mainline r185259.
432
433         PR other/52545
434         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
435         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
436
437 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
438
439         Backported from mainline
440         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
441
442         PR c/52577
443         * c-parser.c (c_parser_postfix_expression)
444         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
445
446         * config/i386/smmintrin.h: Avoid /* within a comment.
447         * config/i386/nmmintrin.h: Likewise.
448
449 2012-03-22  Richard Guenther  <rguenther@suse.de>
450
451         * BASE-VER: Set to 4.7.1.
452         * DEV-PHASE: Set to prerelease.
453
454 2012-03-22  Release Manager
455
456         * GCC 4.7.0 released.
457
458 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
459
460         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
461
462 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
463             Andrew Pinski  <apinski@cavium.com>
464
465         PR middle-end/52592
466         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
467         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
468         calls instead of __builtin_ir{int,ound}*.
469
470 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
471
472         PR c++/52582
473         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
474         if c_node is NULL.
475
476 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
477
478         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
479         Refer to GCC 4.7 version of c99status.html.
480
481 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
482
483         Backport from mainline
484         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
485
486         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
487         redefine to be NULL if the current bit-size is different from the
488         configured bit-size.
489
490         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
491         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
492         set the default tuning.  Add asserts to make sure the cpu and tune
493         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
494         test whether the index is set, instead of > 0.
495         (rs6000_file_start): Do not reset the default cpu if the current
496         bit-size is different from the configured bit-size.
497
498 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
499
500         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
501         binutils reference.
502         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
503         Update binutils references.
504         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
505         Update binutils reference.
506         Update Sun as/GNU ld caveat.
507         Document binutils largefile requirement for LTO plugin.
508         Remove reference to alternate libpthread.
509
510 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
511
512         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
513         reference.
514         (Specific, mips-sgi-irix6): Likewise.
515
516 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
517
518         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
519         * configure: Regenerate.
520
521 2012-03-07  Richard Henderson  <rth@redhat.com>
522
523         * config/m68k/m68k.h (ISA_HAS_TAS): New.
524         * config/m68k/sync.md (atomic_test_and_set): Use it.
525         (atomic_test_and_set_1): Likewise.
526
527 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
528
529         PR target/51417
530         * Makefile.in: Let install-gcc-ar depend on installdirs,
531         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
532         Don't double canonicalize if cross-compiling.
533
534 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
535
536         * trans-mem.c: New typedef for tm_region_p.
537         Define vector types for tm_region_p.
538         (tm_region_init): Replace region_worklist to a vector called
539         bb_regions.
540
541 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
542
543         PR middle-end/52463
544         * trans-mem.c (tm_region_init): Use last_basic_block.
545
546 2012-03-05  Richard Henderson  <rth@redhat.com>
547
548         PR tree-opt/52242
549         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
550         * omp-low.c (expand_omp_atomic): Assume anything aligned to
551         BIGGEST_ALIGNMENT is aligned.
552
553 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
554
555         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
556
557 2012-03-05  Richard Henderson  <rth@redhat.com>
558
559         PR target/52481
560         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
561         instead of calling negqi2 directly.
562
563 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
564
565         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
566         (INTMAX_TYPE): Use it.
567         (UINTMAX_TYPE): Likewise.
568         (SUBTARGET_OVERRIDE_OPTIONS): Define.
569         (irix6_c_common_override_options): Declare.
570         (C_COMMON_OVERRIDE_OPTIONS): Define.
571         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
572         * config/mips/irix6-c.c: New file.
573         * config/mips/t-irix6 (irix6-c.o): New target.
574         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
575         cxx_target_objs.
576
577 2012-03-02  Richard Henderson  <rth@redhat.com>
578
579         * optabs.c (expand_atomic_test_and_set): Honor
580         atomic_test_and_set_trueval even when atomic_test_and_set
581         optab is not in use.
582
583 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
584
585         Backport from mainline
586         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
587
588         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
589
590 2012-03-02  Richard Guenther  <rguenther@suse.de>
591
592         * DEV-PHASE: Set to prerelease.
593
594 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
595
596         * config.gcc (obsolete): Add all ARM targets using the FPA.
597         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
598         * doc/install.texi: Avoid references to obsolete ARM ports.
599
600 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
601
602         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
603
604 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
605             Joern Rennecke  <joern.rennecke@embecosm.com>
606
607         * doc/extend.texi: Expand and update information on interrupt
608         attribute for Epiphany.
609
610 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
611
612         * config/sh/sh-protos.h: Update copyright notice dates.
613         * config/sh/sh.h: Likewise.
614         * config/sh/sh.md: Likewise.
615         * config/sh/constraints.md: Likewise.
616         * config/sh/predicates.md: Likewise.
617
618 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
619
620         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
621         * config/sh/sh.c (tertiary_reload_operand): Likewise.
622
623 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
624
625         * config/sh/constraints.md: Fix comment typo.
626
627 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
628
629         PR target/52408
630         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
631         unsigned HOST_WIDE_INT.
632         (zvdep_imm64): Likewise.
633         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
634         (vdepi_and): Likewise.
635         Likewise for unamed 64-bit patterns.
636         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
637
638 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
639
640         PR debug/52001
641         PR rtl-optimization/52417
642         * cselib.c (cselib_any_perm_equivs): New variable.
643         (cselib_reset_table): Check that it's not set when not
644         preserving constants.
645         (cselib_add_permanent_equiv): Set it.
646         (cselib_have_permanent_equivalences): New.
647         (cselib_init, cselib_finish): Reset it.
648         * cselib.h (cselib_have_permanent_equivalences): Declare.
649         * alias.c (get_addr): Restore earlier behavior when there
650         aren't permanent equivalences.
651
652 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
653
654         * config/mn10300/mn10300-modes.def: Fix copyright notice.
655         * config/v850/v850-modes.def: Fix copyright notice.
656
657 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
658
659         * doc/extend.texi (AVR Built-in Functions): Document
660         __builtin_avr_flash_segment.
661
662         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
663         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
664         (*split.flash_segment): New insn-and-split.
665         * config/avr/avr.c (avr_init_builtins): Add local variables:
666         const_memx_void_node, const_memx_ptr_type_node,
667         char_ftype_const_memx_ptr.
668
669 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
670
671         PR tree-optimization/52445
672         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
673         add ssa_name_ver, offset and size fields and change store field
674         to bool.
675         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
676         (add_or_mark_expr): Likewise.  Only consider previous stores
677         with the same size and offset.
678         (nt_init_block): Only look at gimple_assign_single_p stmts,
679         doesn't look at rhs2.
680
681 2012-03-01  Richard Guenther  <rguenther@suse.de>
682
683         PR middle-end/52443
684         * tree-cfg.c (verify_gimple_assign_unary): Allow any
685         conversions from integral types to pointer types.
686
687 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
688
689         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
690         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
691         unintentionally removed in r184616.
692
693 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
694
695         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
696         3DNow from bdver1.
697
698 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
699             Uros Bizjak  <ubizjak@gmail.com>
700
701         PR target/52437
702         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
703         alternatives, add "e" constraint to the new last alternative
704         and ! to last 3 alternatives.
705
706 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
707
708         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
709         DW_AT_artificial attributes at the end of the processing.
710         (gen_array_type_die): Likewise.
711         (gen_enumeration_type_die): Likewise.
712         (gen_struct_or_union_type_die): Likewise.
713         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
714         the parent type.
715
716 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
717
718         PR middle-end/52419
719         * expr.c (expand_assignment): If doing misaligned store that doesn't
720         cover all mode bits, perform a RMW cycle.
721
722         PR tree-optimization/52429
723         * tree-parloops.c (separate_decls_in_region_debug): Return early
724         if var is LABEL_DECL.
725
726 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
727
728         PR tree-optimization/52424
729         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
730         calling dom_thread_across_edge.
731
732 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
733
734         * config/avr/avr.c: Move definition of TARGET macros to end of file.
735
736 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
737
738         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
739         * config/avr/avr.c (avr_output_bld): Remove unused function.
740         (avr_out_sbxx_branch): Use "%T" to print bit position.
741
742 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
743
744         * config/avr/avr.md: Untabify.
745
746 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
747
748         * config/avr/avr.md (eqne): New code iterator.
749         (*dec-and-branchsi): Use it in text peephole's condition.
750         (*dec-and-branchhi): Ditto.
751         (*dec-and-branchqi): Ditto.
752
753 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
754
755         PR target/49939
756         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
757         the device does not have the skip-bug.
758
759 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
760
761         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
762         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
763         -mpretend-cmove): New.
764
765 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
766
767         PR bootstrap/52397
768         * df.h (struct df_d): Adjust comment that hard_regs_live_count
769         doesn't count DEBUG_INSN refs.
770         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
771         for DEBUG_INSN refs.
772
773 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
774
775         Partially revert:
776
777         2012-02-20  Richard Guenther  <rguenther@suse.de>
778         PR tree-optimization/52298
779         * tree-vect-stmts.c (vectorizable_load): Properly use
780         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
781         outer loops.
782
783 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
784
785         PR middle-end/51752
786         * gimple.h (gimple_in_transaction): New.
787         (gimple_set_in_transaction): New.
788         (struct gimple_statement_base): Add in_transaction field.
789         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
790         transaction loads.
791         (tree_ssa_lim_initialize): Compute transaction bits.
792         * tree.h (compute_transaction_bits): Protoize.
793         * trans-mem.c (tm_region_init): Use the heap to store BB
794         auxilliary data.
795         (compute_transaction_bits): New.
796
797 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
798
799         * gcc.c (display_help): Document --help=common and sort entries
800         alphabetically.
801
802 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
803
804         * doc/install.texi: Document check-$LANG specific shortcuts
805
806 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
807
808         PR target/51534
809         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
810         and vcgtu.
811         * config/arm/arm_neon.h: Regenerate.
812         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
813         (neon_vcgeu): New insn.
814         (neon_vcgtu): Likewise.
815         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
816         (ops): Unsigned comparison intrinsics call a different
817         builtin.
818
819 2012-02-28  Richard Guenther  <rguenther@suse.de>
820
821         PR target/52407
822         * config/i386/i386.c (ix86_expand_vector_set): Fix element
823         ordering for the VEC_CONCAT for two element vectors for
824         V2SFmode, V2SImode and V2DImode.
825
826 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
827
828         PR target/49448
829         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
830         detecting big-endian triplets.
831
832 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
833
834         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
835         mode if there is no type information available.
836
837 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
838
839         PR tree-optimization/53207
840         * doc/invoke.texi: Document as experimental and relying on graphite.
841
842 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
843
844         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
845         of initializer to changes from r184614.
846
847 2012-02-28  Richard Guenther  <rguenther@suse.de>
848
849         PR tree-optimization/52395
850         * tree-sra.c (build_ref_for_offset): Also look at the base
851         TYPE_ALIGN when figuring out the alignment of the replacement.
852
853 2012-02-28  Richard Guenther  <rguenther@suse.de>
854
855         PR tree-optimization/52402
856         * ipa-prop.c (ipa_modify_call_arguments): Properly use
857         mis-aligned types when creating the accesses at the call site.
858
859 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
860
861         * config/avr/builtins.def: New file.
862         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
863         * config/avr/avr.c (enum avr_builtin_id): Use it.
864         (avr_init_builtins): Use it. And use avr_bdesc.
865         (bdesc_1arg): Remove.
866         (bdesc_2arg): Remove.
867         (bdesc_3arg): Remove.
868         (struct avr_builtin_description): Add field n_args.
869         (avr_bdesc): New static variable using builtins.def.
870         (avr_expand_builtin): Use it.
871         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
872         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
873         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
874
875 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
876
877         PR target/52148
878         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
879         match only one single hard register with respective hard reg rtx.
880         (movmemx_<mode>): Ditto.
881         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
882         insn anatomy of movmem[x]_<mode>.
883         (avr_out_movmem): Same for printing assembler and operand usage.
884
885 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
886
887         PR target/49868
888         PR target/52261
889         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
890         address spaces located outside of device flash.
891
892         * config/avr/avr.h (base_arch_s): Remove field n_segments.
893         (mcu_type_s): Add field n_flash.
894         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
895         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
896         (AVR_MCU): Add N_FLASH argument.
897         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
898         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
899         macro __FLASH<n> if that address space makes sense for the device.
900         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
901         outside of target flash.
902         (avr_asm_named_section): Ditto.
903         (avr_asm_select_section): Ditto.
904         (avr_addr_space_convert): Ditto.
905         (avr_emit_movmemhi): Ditto.
906         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
907         address space is outside of device flash.
908         (avr_insert_attributes): Ditto.
909         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
910         avr_current_arch->n_segments.
911
912 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
913
914         PR target/52352
915         * config/i386/i386.md (*movabs<mode>_1): Enable only for
916         TARGET_LP64.
917         (*movabs<mode>_2): Likewise.
918
919 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
920
921         PR target/52375
922         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
923         s_register_operand in the test instead of REG_P.  Don't call
924         gen_reg_rtx if it won't be used.
925
926         PR tree-optimization/52376
927         * ipa-split.c (split_function): Ignore CLOBBER stmts.
928
929 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
930
931         * ifcvt.c (noce_get_condition): Check condition variable is not
932         small_register_classes_for_mode_p before accepting.
933
934 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
935
936         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
937
938 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
939
940         Revert:
941         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
942         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
943         tuning parameters.
944         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
945
946 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
947
948         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
949
950 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
951
952         * config/sh/predicates.md: Remove blank lines.
953         * config/sh/sh.c: Fix typos in comments.
954         * config/sh/constraints.md: Likewise.
955         * config/sh/sh.md: Remove blank lines.
956         Fix typos in comments.  Use ;; as comment characters.
957
958 2012-02-26  Walter Lee  <walt@tilera.com>
959
960         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
961         (replace_mov_pcrel_step2): Ditto.
962
963 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
964
965         PR debug/52001
966         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
967         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
968         and locs that reference values newer than the non-canonical value
969         at hand.  Return the canonical value as a worst case.
970         (memrefs_conflict_p): Walk canonical value's locs.
971
972         PR debug/52001
973         * cselib.c (preserve_only_constants): Rename to...
974         (preserve_constants_and_equivs): ... this.  Split out...
975         (invariant_or_equiv_p): ... this.  Preserve plus expressions
976         of other preserved expressions too.
977         (cselib_reset_table): Adjust.
978         * var-tracking.c (reverse_op): Use canonical value to build
979         reverse operation.
980
981 2012-02-23  Kai Tietz  <ktietz@redhat.com>
982
983         * config/i386/i386.c (ix86_delegitimize_address): Handle
984         UNSPEC_PCREL plus displacement.
985
986 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
987
988         PR target/52261
989         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
990         to test for unusedness in st X addressing.
991
992 2012-02-24  Richard Guenther  <rguenther@suse.de>
993
994         PR middle-end/52361
995         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
996         (is_gimple_reg_type): Move inline ...
997         * gimple.h (is_gimple_reg_type): ... here.
998
999 2012-02-24  Richard Guenther  <rguenther@suse.de>
1000
1001         PR middle-end/52361
1002         * passes.c (execute_function_todo): When verifying SSA form
1003         verify gimple form first.
1004         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1005
1006 2012-02-24  Richard Guenther  <rguenther@suse.de>
1007
1008         PR middle-end/52355
1009         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1010         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1011
1012 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1013
1014         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1015
1016 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1017
1018         * tree-phinodes.c (make_phi_node): Mark static.
1019         * tree-flow.h (make_phi_node): Remove extern decl.
1020         * doc/gimple.texi (make_phi_node): Remove documentation.
1021
1022 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1023
1024         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1025         * tree-ssa-sccvn.c (print_scc): Ditto.
1026
1027 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1028
1029         * doc/passes.texi (Full redundancy elimination): Fix typo.
1030
1031 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1032
1033         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1034
1035 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1036
1037         PR bootstrap/52287
1038         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1039
1040 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1041
1042         PR c/52290
1043         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1044
1045 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1046
1047         * config/avr/avr.md (code_stdname): Add ior, xor.
1048         (xior): New code iterator.
1049         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1050         (*<code_stdname><mode>qi.byte1-3): Ditto.
1051
1052 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1053
1054         PR tree-optimization/52019
1055         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1056         CLOBBER stmts.
1057
1058 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1059
1060         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1061         HAVE_INITFINI_ARRAY to work around namespace pollution in
1062         certain versions of newlib system headers.
1063         * config.in: Regenerate.
1064         * configure: Regenerate.
1065         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1066         instead of HAVE_INITFINI_ARRAY.
1067
1068 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1069
1070         PR target/52330
1071         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1072         is not offsettable memory reference.
1073
1074 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1075
1076         PR target/18145
1077         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1078         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1079
1080 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1081
1082         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1083         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1084
1085 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1086
1087         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1088         library on Solaris 8 even without TLS support.
1089         * configure: Regenerate.
1090
1091 2012-02-22  Richard Guenther  <rguenther@suse.de>
1092
1093         PR middle-end/52329
1094         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1095         for GIMPLE_DEBUG stmts.
1096
1097 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1098
1099         PR middle-end/51782
1100         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1101         according to the base object.
1102
1103 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1104
1105         PR rtl-optimization/50063
1106         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1107         and 2 (8-bit SP) in operand 2.
1108         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1109         setup to use movhi_sp_r instead of vanilla move to write SP.
1110         Adjust REG_CFA notes to superseed unspec.
1111         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1112         of vanilla move.
1113         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1114         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1115         irq_state 1 (IRQ known to be on) here.
1116
1117 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1118
1119         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1120         WORDS_BIG_ENDIAN.
1121         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1122         assign_hard_reg): Likewise.
1123
1124 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1125
1126         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1127
1128 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1129
1130         * config/avr/avr.md
1131         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1132         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1133
1134 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1135
1136         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1137         prototype from here to...
1138         * config/avr/avr.h: ...here.
1139
1140 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1141
1142         PR target/52294
1143         * thumb2.md (thumb2_shiftsi3_short): Split register and
1144         immediate shifts.  For register shifts tie operands 0 and 1.
1145         (peephole2 for above): Check that register-controlled shifts
1146         have suitably tied operands.
1147
1148 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1149
1150         PR target/52137
1151         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1152         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1153         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1154         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1155         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1156         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1157         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1158         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1159         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1160         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1161         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1162         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1163         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1164         bdver1_ssevector_avx256_unaligned_load,
1165         bdver1_ssevector_sse128_unaligned_load,
1166         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1167         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1168         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1169         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1170         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1171         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1172         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1173         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1174         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1175         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1176         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1177         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1178         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1179         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1180         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1181         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1182         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1183         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1184         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1185         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1186         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1187         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1188         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1189         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1190         bdver1_ssediv_double_load, bdver1_ssediv_double,
1191         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1192         Add "bdver2" attribute.
1193
1194 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1195
1196         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1197         default if possible and not specified otherwise.
1198
1199 2012-02-21  Richard Guenther  <rguenther@suse.de>
1200
1201         PR middle-end/52314
1202         * gimplify.c (create_tmp_from_val): Use the main variant type
1203         for the type of the temporary we create.
1204
1205 2012-02-21  Richard Guenther  <rguenther@suse.de>
1206
1207         PR tree-optimization/52324
1208         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1209         do not gimplify a MEM_REF address operand if it is already
1210         in suitable form.
1211
1212 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1213
1214         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1215         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1216
1217 2012-02-21  Richard Guenther  <rguenther@suse.de>
1218
1219         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1220         nested_in_vect_loop.
1221
1222 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1223
1224         PR tree-optimization/52318
1225         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1226         vdef also to non-pure/const call stmts in the sequence.
1227
1228 2012-02-20  David S. Miller  <davem@davemloft.net>
1229
1230         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1231         don't use the "rd %pc" instruction on v9 for PIC register loads.
1232
1233 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1234
1235         PR middle-end/52141
1236         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1237         in a transaction safe function.
1238
1239 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1240
1241         PR target/52238
1242         * stor-layout.c (place_field): Handle desired_align for
1243         ms-bitfields, too.
1244
1245 2012-02-20  Richard Guenther  <rguenther@suse.de>
1246
1247         PR tree-optimization/52298
1248         * tree-vect-stmts.c (vectorizable_store): Properly use
1249         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1250         outer loops.
1251         (vectorizable_load): Likewise.
1252         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1253         Access DR_STEP after ensuring it is not NULL.
1254
1255 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR tree-optimization/52286
1258         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1259         optimization use double_int_to_tree instead of build_int_cst_wide,
1260         rewrite to use double_int vars.
1261
1262 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1263
1264         PR target/50166
1265         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1266         Define _start.
1267         Remove -e 0 from $gcc_cv_ld invocation.
1268         Only use __GLIBC_PREREQ if defined.
1269         Enable on Solaris since Solaris 8 patch.
1270         (gcc_SUN_LD_VERSION): New macro.
1271         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1272         gcc_SUN_LD_VERSION for version number format.
1273         * configure: Regenerate.
1274         * varasm.c (get_elf_initfini_array_priority_section): Set
1275         SECTION_NOTYPE for non-default priority.
1276         Use get_section instead of get_unnamed_section to emit
1277         .init_array/.fini_array with default priority.
1278
1279 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1280
1281         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1282         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1283         (mips_start_unique_function, mips_output_mips16_rdhwr)
1284         (mips_code_end): New functions.
1285         (TARGET_ASM_CODE_END): Define.
1286
1287 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1288
1289         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1290         to stubs with non-sibling calls.
1291
1292 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1293
1294         * doc/invoke.texi (-fira-* options): Copy-edit.
1295         (ira-* parameters): Copy-edit.
1296
1297 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1298
1299         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1300         GCC coding conventions.
1301
1302 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1303
1304         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1305         when used as adjectives.
1306
1307 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1308
1309         * doc/invoke.texi: Clean up "that"/"which" confusion.
1310
1311 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1312
1313         * system.h: Poison SMALL_REGISTER_CLASSES
1314         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1315         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1316
1317 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1318
1319         PR tree-optimization/52285
1320         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1321         when deciding if a call is a tail call or tail recursion.
1322
1323 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1324
1325         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1326         interger-constant displacement for UNSPEC_PCREL.
1327
1328 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1329
1330         PR rtl-optimization/52208
1331         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1332         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1333
1334         PR tree-optimization/52255
1335         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1336         loop->header has virtual PHI, but exit_e->dest doesn't, add
1337         virtual PHI to exit_e->dest and adjust all uses after the loop.
1338
1339         PR debug/52260
1340         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1341         children with clone_tree_hash, not after it.
1342
1343 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1344
1345         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1346         extended identifiers.
1347
1348 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1349
1350         PR middle-end/51929
1351         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1352         a same_body_alias, also test whether e->callee isn't a former
1353         or current clone of the decl this is a same body alias of.
1354
1355         PR translation/52264
1356         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1357
1358 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1359
1360         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1361
1362 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1363
1364         PR target/52199
1365         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1366         force_reg instead of copy_to_reg for better optimization.  Force
1367         non-register or memory operands into a register.
1368
1369 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1370
1371         * extend.texi: Reserve upper bits of memory model for future use.
1372
1373 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1374             Anatoly Sokolov <aesok@post.ru>
1375             Eric Weddington <eric.weddington@atmel.com>
1376
1377         PR target/52261
1378         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1379         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1380         Rewrite initializers for .macro.
1381         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1382         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1383         atxmega32d4, atxmega32x1.
1384         avrxmega4: atxmega64a3, atxmega64d3.
1385         avrxmega5: atxmega64a1, atxmega64a1u.
1386         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1387         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1388         avrxmega7: atxmega128a1, atxmega128a1u.
1389         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1390         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1391         (struct base_arch_s): Rename reserved to xmega_p.
1392         Rename reserved2 to have_rampd.
1393         (AVR_XMEGA): New define.
1394         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1395         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1396         * config/avr/predicates.md (io_address_operand): Take into
1397         account SFR offset.
1398         (low_io_address_operand): Ditto.
1399         (high_io_address_operand): Ditto.
1400         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1401         (enabled, movhi_sp_r): Use them.
1402         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1403         cpp_define_formatted to built-in define __AVR_ARCH__.
1404         (__AVR_XMEGA__): New built-in define.
1405         (__AVR_HAVE_RAMPD__): New built-in define.
1406         (__AVR_HAVE_RAMPX__): New built-in define.
1407         (__AVR_HAVE_RAMPY__): New built-in define.
1408         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1409
1410         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1411         (avr_option_override): Initialize them.
1412         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1413         (avr_init_expanders): Initialize them. No more block several calls.
1414         (emit_push_sfr): New static function.
1415         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1416         Handle AVR_XMEGA.
1417         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1418         (avr_print_operand): Print addreeses as symbols for
1419         RAMPX, RAMPY, RAMPD, CCP.
1420         (output_movhi): Handle AVR_XMEGA when writing to SP.
1421         (avr_out_movhi_mr_r_xmega): New static function.
1422         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1423         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1424         __RAMPD__,  __CCP__ as needed.
1425
1426         * config/avr/multilib.h: Regenerate.
1427         * config/avr/t-multilib: Regenerate.
1428         * config/avr/avr-tables.opt: Regenerate.
1429
1430 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1431
1432         PR tree-optimization/50561
1433         * graphite-flattening.c (lst_project_loop): Do not
1434         remove old scattering dimensions after flattening.
1435         (lst_do_flatten): Likewise.
1436
1437 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1438
1439         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1440         __builtin_avr_map8, __builtin_avr_map16.
1441         Document __builtin_avr_insert_bits.
1442
1443         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1444         (insert_bits): New insn.
1445         (adjust_len.map_bits): Rename to insert_bits.
1446         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1447         * avr-protos.h (avr_out_map_bits): Remove.
1448         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1449         * config/avr/constraints.md (Cxf,C0f): New.
1450         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1451         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1452         New built-in define __BUILTIN_AVR_INSERT_BITS.
1453         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1454         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1455         (avr_move_bits): Rewrite.
1456         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1457         functions.
1458         (avr_map_op_t): New typedef.
1459         (avr_map_op): New static variable.
1460         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1461         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1462         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1463         (bdesc_3arg, avr_expand_triop_builtin): New.
1464         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1465         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1466         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1467         (avr_map_equal_p, avr_map_sig_p): Remove.
1468         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1469         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1470         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1471         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1472         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1473         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1474
1475 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1476
1477         * config/c6x/c6x.md (reserve_cycles): New attribute.
1478         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1479         don't reserve functional units after the branch occurs.
1480
1481 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1482
1483         PR middle-end/52142
1484         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1485         functions into non-tm_pure functions.
1486
1487 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1488
1489         PR lto/52178
1490         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1491         (iterative_hash_canonical_type): Likewise.
1492         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1493         the dead edges.
1494
1495 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1496
1497         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1498         sched-group insn, it either remains alone or the entire list is pruned.
1499
1500 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1501
1502         * doc/install.texi (Prerequisites): Fix grammar.
1503         (Configuration): Likewise.
1504
1505 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1506
1507         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1508         MPC as part of GCC before describing configuring with --with-gmp etc.
1509         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1510         sources are present.
1511
1512 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1513
1514         PR debug/51950
1515         * dwarf2out.c (clone_tree_hash): New function.
1516         (copy_decls_walk): Use it instead of clone_tree.
1517
1518 2012-02-14  Richard Guenther  <rguenther@suse.de>
1519
1520         PR tree-optimization/52244
1521         PR tree-optimization/51528
1522         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1523         replacements for integral types.
1524
1525 2012-02-14  Walter Lee  <walt@tilera.com>
1526
1527         * config.gcc: Handle tilegx and tilepro.
1528         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1529         tilegx and tilepro.
1530         Add HAVE_AS_TLS check for tilegx and tilepro.
1531         * configure: Regenerate.
1532         * doc/contrib.texi: Add Mat Hostetter and self.
1533         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1534         Document instruction intrinsics and network accessing intrinsics.
1535         (TILEPro Built-in Functions): New node.  Document instruction
1536         intrinsics and network accessing intrinsics.
1537         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1538         (Specific, tilepro-*-linux*): Likewise.
1539         * doc/invoke.texi (TILE-Gx Options): New section.
1540         (TILEPro Options): New section.
1541         * doc/md.texi (TILE-Gx): New section.
1542         (TILEPro): New section.
1543         * common/config/tilegx/tilegx-common.c: New file.
1544         * common/config/tilepro/tilepro-common.c: New file.
1545         * config/tilegx/constraints.md: New file.
1546         * config/tilegx/linux.h: New file.
1547         * config/tilegx/mul-tables.c: New file.
1548         * config/tilegx/predicates.md: New file.
1549         * config/tilegx/sync.md: New file.
1550         * config/tilegx/t-tilegx: New file.
1551         * config/tilegx/tilegx-builtins.h: New file.
1552         * config/tilegx/tilegx-c.c: New file.
1553         * config/tilegx/tilegx-generic.md: New file.
1554         * config/tilegx/tilegx-modes.def: New file.
1555         * config/tilegx/tilegx-multiply.h: New file.
1556         * config/tilegx/tilegx-protos.h: New file.
1557         * config/tilegx/tilegx.c: New file.
1558         * config/tilegx/tilegx.h: New file.
1559         * config/tilegx/tilegx.md: New file.
1560         * config/tilegx/tilegx.opt: New file.
1561         * config/tilepro/constraints.md: New file.
1562         * config/tilepro/gen-mul-tables.cc: New file.
1563         * config/tilepro/linux.h: New file.
1564         * config/tilepro/mul-tables.c: New file.
1565         * config/tilepro/predicates.md: New file.
1566         * config/tilepro/t-tilepro: New file.
1567         * config/tilepro/tilepro-builtins.h: New file.
1568         * config/tilepro/tilepro-c.c: New file.
1569         * config/tilepro/tilepro-generic.md: New file.
1570         * config/tilepro/tilepro-modes.def: New file.
1571         * config/tilepro/tilepro-multiply.h: New file.
1572         * config/tilepro/tilepro-protos.h: New file.
1573         * config/tilepro/tilepro.c: New file.
1574         * config/tilepro/tilepro.h: New file.
1575         * config/tilepro/tilepro.md: New file.
1576         * config/tilepro/tilepro.opt: New file.
1577
1578 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1579
1580         PR tree-optimization/52210
1581         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1582         vect_model_simple_cost with two entry vect_def_type array instead
1583         of an address of dt.
1584
1585 2012-02-14  Richard Guenther  <rguenther@suse.de>
1586
1587         PR lto/52178
1588         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1589         Do not stream DECL_QUALIFIER.
1590         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1591         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1592         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1593
1594 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1595
1596         PR c/52181
1597         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1598         newdecl.
1599
1600 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1601
1602         PR bootstrap/52172
1603         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1604         * cselib.c (cselib_subst_to_values_from_insn): New function.
1605         * sched-deps.c (add_insn_mem_dependence,
1606         sched_analyze_1, sched_analyze_2): Use it.
1607
1608 2012-02-13  Jan Hubicka  <jh@suse.cz>
1609
1610         PR middle-end/52214
1611         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1612
1613 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1614
1615         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1616         (GTM_SELF_SPECS): Define if not already defined.
1617         (driver_self_specs): Add GTM_SELF_SPECS.
1618         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1619         (GTM_SELF_SPECS): Define.
1620         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1621         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1622
1623 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1624
1625         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1626         away if seen.
1627
1628         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1629
1630         PR middle-end/52230
1631         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1632         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1633
1634 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1635
1636         PR c/52190
1637         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1638
1639 2012-02-13  Richard Guenther  <rguenther@suse.de>
1640
1641         PR translation/52211
1642         * passes.c (enable_disable_pass): Fix typo.
1643
1644 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1645
1646         PR middle-end/52209
1647         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1648         XOR for reduce_bit_field if type is unsigned.
1649
1650 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1651
1652         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1653         disallow changes from SFmode to mode with different size in FP regs.
1654
1655 2012-02-12  Robert Millan  <rmh@gnu.org>
1656             Gerald Pfeifer <gerald@pfeifer.com>
1657
1658         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1659         Tweak comment.
1660
1661 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1662
1663         PR rtl-optimization/52175
1664         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1665         to frame-related instructions.
1666
1667 2012-02-10  Jason Merrill  <jason@redhat.com>
1668
1669         PR c++/51910
1670         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1671         (demangle_new_symbols): Fill it.
1672         (scan_linker_output): Walk it.
1673         (start_tweaking): Split out from scan_linker_output.
1674         (maybe_tweak): Update sym->chosen.
1675         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1676
1677 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR debug/52132
1680         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1681
1682 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1683
1684         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1685         having the same mode as previous compare.
1686
1687 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1688
1689         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1690         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1691         (nonlocal_goto_internal): Likewise.
1692         (nonlocal_goto): Emit a use and an indirect jump directly.
1693
1694 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1695
1696         PR c/52190
1697         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1698         __atomic_{is,always}_lock_free.
1699
1700 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1701
1702         PR target/52146
1703         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1704         negative constant address for x32.
1705
1706 2012-02-10  Richard Henderson  <rth@redhat.com>
1707
1708         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1709         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1710         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1711
1712 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1713             Ira Rosen  <irar@il.ibm.com>
1714
1715         PR tree-optimization/50031
1716         * targhooks.c (default_builtin_vectorization_cost): Handle
1717         vec_promote_demote.
1718         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1719         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1720         all types of reduction and pattern statements.
1721         (vect_estimate_min_profitable_iters): Likewise.
1722         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1723         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1724         for explicit realigns.
1725         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1726         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1727         vec_promote_demote.
1728         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1729         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1730         vec_perm for VSX and handle vec_promote_demote.
1731
1732 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1733
1734         PR middle-end/52177
1735         * builtins.c (fold_builtin_atomic_always_lock_free,
1736         expand_builtin_atomic_always_lock_free,
1737         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1738         Return and/or test boolean_true_node/boolean_false_node instead of
1739         integer_one_node/integer_zero_node.
1740
1741 2012-02-10  Jan Hubicka  <jh@suse.cz>
1742
1743         PR middle-end/48600
1744         * predict.c (predict_paths_for_bb): Prevent looping.
1745         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1746
1747 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1748
1749         * config/arm/arm.c (output_move_double): In one case properly
1750         count number of instructions that will be emitted.
1751
1752 2012-02-10  Richard Guenther  <rguenther@suse.de>
1753
1754         PR translation/52193
1755         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1756
1757 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1758
1759         PR middle-end/52140
1760         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1761
1762 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1763
1764         PR debug/52165
1765         * var-tracking.c (emit_note_insn_var_location): If
1766         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1767         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1768         non-NOTE_DURING_CALL_P insn.
1769
1770 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1771
1772         PR middle-end/51867
1773         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1774
1775 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1776
1777         PR driver/48524
1778         * gcc.c (switch_matches) Support switches with separated form,
1779         -D and -U.
1780
1781 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1782
1783         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1784         (SP_ADDR): Ditto.
1785         (RAMPZ_ADDR): Ditto.
1786         * config/avr/avr.c (avr_addr_t): New typedef.
1787         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1788         (avr_init_expanders): Initialize it.
1789         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1790         SREG_ADDR.
1791         (expand_epilogue): Ditto.
1792         (avr_print_operand): Ditto.
1793         (avr_file_start): Ditto.
1794         (avr_emit_movmemhi): Ditto.
1795
1796 2012-02-08  Richard Guenther  <rguenther@suse.de>
1797
1798         PR tree-optimization/46886
1799         * tree-flow.h (do_while_loop_p): Declare.
1800         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1801         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1802
1803 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1804
1805         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1806         always succeed for integers larger than a native word.
1807
1808 2012-02-08  Richard Guenther  <rguenther@suse.de>
1809
1810         PR rtl-optimization/52170
1811         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1812         properly handle integer vector modes.
1813
1814 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1815
1816         PR gcov-profile/52150
1817         * coverage.c: Include target.h.
1818         (build_var): Call targetm.strip_name_encoding on the assembler name.
1819         Change one _ into . or $ if the target allows it.
1820         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1821
1822         PR rtl-optimization/52139
1823         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1824         is a BARRIER after emit_insn_after_noloc, move BB_END
1825         to the last non-BARRIER insn before it.
1826
1827 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1828
1829         PR middle-end/24306
1830         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1831         (mips_gimplify_va_arg_expr): Call it instead of
1832         std_gimplify_va_arg_expr.
1833
1834 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1835
1836         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1837         message for -mno-pointers-to-nested-function.
1838
1839 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1840
1841         PR middle-end/51994
1842         * expr.c (get_inner_reference): If there is an offset, add a negative
1843         bit position to it (if any).
1844
1845 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1846
1847         PR rtl-optimization/52060
1848         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1849         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1850         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1851         and/or i0src_copy2 when needed.
1852
1853 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1854
1855         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1856         or LTOPLUGINSONAME if have_c.
1857
1858         * config/freebsd-spec.h: Add comment about what macros can be defined
1859         in this header.
1860         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1861         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1862         here instead.
1863
1864 2012-02-07  Richard Guenther  <rguenther@suse.de>
1865
1866         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1867         newline in -alias dumps.
1868
1869 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1870             Dave Korn  <dave.korn.cygwin@gmail.com>
1871
1872         PR target/40068
1873         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1874         Take care that typinfo gets dllexport-attribute.
1875
1876 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1877
1878         PR middle-end/52074
1879         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1880         if modifier < EXPAND_SUM call force_operand on the result.
1881
1882 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1883
1884         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1885         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1886         present.
1887         (epiphany_function_type): Replace types for specific interrupts with
1888         EPIPHANY_FUNCTION_INTERRUPT.
1889         (EPIPHANY_INTERRUPT_P): Update.
1890         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1891         New static function.
1892         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1893         <disinterrupt>: Affects type identity.
1894         (epiphany_handle_interrupt_attribute): Handle variable number of
1895         arguments.
1896         (epiphany_compute_function_type): Update for new
1897         epiphany_function_type definition.
1898         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1899         handlers with a longcall forwarder.
1900         (epiphany_start_function): Handle multiple interrupt arguments and/or
1901         forwarder_section attribute.
1902
1903         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1904         libgloss.
1905
1906 2012-02-07  Alan Modra  <amodra@gmail.com>
1907
1908         PR target/52107
1909         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1910         subregs of TFmode.
1911
1912 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1913
1914         PR tree-optimization/50969
1915         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1916         use vec_perm rather than vector_stmt.
1917         (vect_model_load_cost): Likewise.
1918         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1919         vec_perm to be the same as other vector statements.
1920         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1921         cost of vec_perm for TARGET_VSX.
1922
1923 2012-02-06  Richard Guenther  <rguenther@suse.de>
1924
1925         PR tree-optimization/52115
1926         * tree-sra.c (access_has_replacements_p): New function.
1927         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1928
1929 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1930
1931         PR middle-end/52047
1932         * trans-mem.c (expand_call_tm): Add an assertion.
1933         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1934         functions.
1935
1936 2012-02-06  Richard Guenther  <rguenther@suse.de>
1937
1938         PR tree-optimization/50955
1939         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1940         raise cost of expressions that replace an address with an
1941         expression based on a different pointer.
1942
1943 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1944
1945         PR target/52129
1946         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1947         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1948
1949 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1950
1951         PR c++/48680
1952         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1953         -Weffc++ and specify guidelines come from second edition.
1954
1955 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1956
1957         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1958         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1959         (call_direct_split, call_value_split, call_value_internal_direct)
1960         (call_value_direct_split, call_value_multiple_split): Use jal and
1961         jal_macro attributes.
1962
1963 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1964
1965         * reload1.c (reload_regs_reach_end_p): Replace with...
1966         (reload_reg_rtx_reaches_end_p): ...this function.
1967         (new_spill_reg_store): Update commentary.
1968         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1969         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1970         before setting new_spill_reg_store.
1971         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1972         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1973         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1974         for non-spill reload registers.
1975
1976 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1977
1978         PR tree-optimization/52091
1979         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1980         (vect_is_simple_use_1): Likewise.
1981         * tree-vect-loop.c (vectorizable_reduction): Update calls
1982         to vect_is_simple_use_1 and vect_is_simple_use.
1983         (vectorizable_live_operation): Likewise.
1984         * tree-vect-patterns.c (widened_name_p,
1985         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1986         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1987         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1988         vectorizable_shift,vectorizable_operation, vectorizable_store,
1989         vectorizable_load): Likewise.
1990         (vect_is_simple_cond): Add an argument, pass it to
1991         vect_is_simple_use_1.
1992         (vectorizable_condition): Update calls to vect_is_simple_cond,
1993         vect_is_simple_use.
1994         (vect_is_simple_use): Add an argument, the statement in which
1995         OPERAND is used.  Check that if OPERAND's def stmt is a double
1996         reduction phi node, the use is a phi node too.
1997         (vect_is_simple_use_1): Add an argument, pass it to
1998         vect_is_simple_use.
1999         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2000         to vect_is_simple_use.
2001
2002 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2003
2004         PR rtl-optimization/52095
2005         * modulo-sched.c (dump_insn_locator): New function.
2006         (loop_canon_p, sms_schedule): Use it.
2007
2008         PR rtl-optimization/52113
2009         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2010         even for decomposable shift/zext insns.
2011
2012 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2013             Zdenek Dvorak  <ook@ucw.cz>
2014
2015         PR rtl-optimization/52092
2016         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2017         on get_iv_value result.
2018
2019 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2020
2021         PR middle-end/47982
2022         PR middle-end/43967
2023         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2024
2025 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2026
2027         PR middle-end/48071
2028         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2029
2030 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2031
2032         PR rtl-optimization/49800
2033         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2034         (sched_finish): Call regstat_free_n_sets_and_refs.
2035
2036 2012-02-02  Jia Liu  <proljc@gmail.com>
2037
2038         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2039         than operand 2.
2040
2041 2012-02-02  Jan Hubicka  <jh@suse.cz>
2042             Tom de Vries  <tom@codesourcery.com>
2043
2044         PR middle-end/51998
2045         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2046         * varpool.c (varpool_analyze_pending_decls): Likewise.
2047
2048 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2049             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2050
2051         * config.gcc: Add cr16-* support.
2052
2053         * doc/extend.texi: Document cr16 extensions.
2054         * doc/install.texi: Document cr16 install.
2055         * doc/invoke.texi: Document cr16 options.
2056         * doc/md.texi: Document cr16 constraints.
2057
2058         * common/config/cr16/cr16-common.c: New file.
2059         * config/cr16/cr16.c: New file.
2060         * config/cr16/cr16.h: New file.
2061         * config/cr16/cr16.md: New file.
2062         * config/cr16/cr16.opt: New file.
2063         * config/cr16/cr16-protos.h: New file.
2064         * config/cr16/predicates.md: New file.
2065         * config/cr16/constraints.md: New file.
2066         * config/cr16/t-cr16: New file.
2067
2068 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2069
2070         PR target/52086
2071         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2072         that operands[2] is either immediate, or q_regs_operand.
2073
2074         PR tree-optimization/52073
2075         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2076         a pattern stmt for pattern uses, ignore uses outside of the loop.
2077
2078 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2079
2080         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2081         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2082         (OUT_AS1, OUT_AS2): Remove.
2083
2084 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2085
2086         PR rtl-optimization/51374
2087         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2088         to cross other volatile_refs_p insns.
2089
2090 2012-02-01  Richard Guenther  <rguenther@suse.de>
2091
2092         * doc/invoke.texi (fno-inline): Clarify documentation.
2093         (finline-small-functions): Likewise.
2094         (finline-functions): Likewise.
2095         * common.opt (finline): Adjust comment and documentation.
2096         (finline-small-functions): Clarify documentation.
2097         (finline-functions): Likewise.
2098         (finline-functions-called-once): Likewise.
2099
2100 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2101
2102         * c-typeck.c (composite_type): Keep mode for pointers.
2103
2104 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2105
2106         * function.h (regno_reg_rtx): Adjust comment.
2107         * reginfo.c (init_reg_modes_target): Only use the previous mode
2108         if it fits within one register.  Remove MIPS comment.
2109
2110 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2111
2112         PR bootstrap/52058
2113         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2114
2115 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2116
2117         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2118         to srak instruction.
2119
2120 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2121
2122         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2123
2124 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2125
2126         PR bootstrap/52041
2127         PR bootstrap/52039
2128         PR target/51974
2129         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2130
2131 2012-01-31  Richard Guenther  <rguenther@suse.de>
2132
2133         PR tree-optimization/51528
2134         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2135         assigns.
2136
2137 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2138
2139         PR bootstrap/52041
2140         PR bootstrap/52039
2141         PR target/51974
2142         * ree.c (add_removable_extension): Change def_map argument
2143         to unsigned *, store in def_map 1 + offset into *insn_list vector
2144         instead of pointers into the vector.
2145         (find_removable_extensions): Adjust caller.
2146
2147 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2148
2149         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2150         Transform all "* quoted-c-code" to { c-code }.
2151         Remove redundant test for "optimize" in combine patterns.
2152         Move (include "avr-dimode.md") to end of file.
2153
2154 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2155
2156         PR target/51835
2157         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2158         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2159
2160 2012-01-30  Richard Guenther  <rguenther@suse.de>
2161
2162         PR tree-optimization/52028
2163         * tree-loop-distribution.c (ldist_gen): Properly update
2164         virtual SSA form.
2165
2166 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2167
2168         PR debug/52027
2169         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2170         set_cur_line_info_table if not emitting debug info.
2171
2172         PR tree-optimization/52046
2173         * tree-vect-patterns.c (check_bool_pattern): Give up if
2174         a comparison could throw.
2175
2176         PR debug/52048
2177         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2178
2179 2012-01-30  Richard Guenther  <rguenther@suse.de>
2180
2181         PR tree-optimization/52045
2182         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2183         SSA form if cfgcleanup did anything.
2184
2185 2012-01-30  Richard Guenther  <rguenther@suse.de>
2186
2187         PR tree-optimization/52045
2188         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2189         before computing final todo.
2190
2191 2012-01-30  Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/51528
2194         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2195         for PR51528 fix.
2196
2197 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2198
2199         * df-problems.c (df_kill_notes): Check that the use refers
2200         to the note under examination.
2201
2202 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2203
2204         PR target/51920
2205         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2206         parameter and use short-lived pseudos.
2207         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2208         (sparc_expand_vector_init): Const-ify local variables and adjust
2209         calls to above functions.
2210
2211 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2212
2213         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2214
2215 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2216
2217         * doc/invoke.texi: Make usage of "compile time" and
2218         "run time"/"runtime" consistent throughout the file.
2219
2220 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2221
2222         * config/alpha/alpha.c (alpha_option_override): Default to
2223         full IEEE compliance mode for Go language.
2224
2225 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2226
2227         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2228         (LINK_SSP_SPEC): Define.
2229
2230 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2231
2232         PR target/51871
2233         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2234         stubs.
2235
2236 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2237
2238         * doc/invoke.texi: Correct hyphenation of "floating point",
2239         "double precision", and related terminology throughout the file.
2240
2241 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2242
2243         PR target/52006
2244         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2245         arm_general_register_operand predicate for operand 2 instead of
2246         register_operand.
2247
2248 2012-01-27  Ian Lance Taylor  <iant@google.com>
2249
2250         PR go/47656
2251         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2252         * builtins.c (expand_builtin_init_trampoline): Add onstack
2253         parameter.  Change caller.
2254         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2255         * tree.c (build_common_builtin_nodes): Declare
2256         __builtin_init_heap_trampoline.
2257
2258 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2259
2260         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2261         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2262         * config/avr/avr.c: Ditto.
2263         (avr_regnames): Remove because unused.
2264         * config/avr/avr.md (*cpse.ne): New peephole.
2265         (*cpse.eq): New peephole from former cpse peepholes.
2266
2267 2012-01-27  Michael Eager  <eager@eagercon.com>
2268
2269         * config/microblaze.c (microblaze_emit_compare): Correct
2270         test after pcmp instruction.
2271
2272 2012-01-27  Richard Guenther  <rguenther@suse.de>
2273
2274         PR tree-optimization/52020
2275         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2276
2277 2012-01-27  Richard Guenther  <rguenther@suse.de>
2278
2279         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2280         function non-const/pure.
2281
2282 2012-01-27  Richard Guenther  <rguenther@suse.de>
2283
2284         PR tree-optimization/50444
2285         * tree-sra.c (build_ref_for_offset): Properly adjust the
2286         MEM_REF type for unaligned accesses.
2287
2288 2012-01-27  Richard Guenther  <rguenther@suse.de>
2289
2290         PR tree-optimization/50444
2291         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2292         (expand_assignment): Use it.  Properly handle misaligned
2293         bases when expanding stores to component references.
2294         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2295         refactor that case.
2296
2297 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2298
2299         PR middle-end/51389
2300         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2301         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2302         * tree-data-ref.c (find_data_references_in_loop): Make static.
2303         (compute_all_dependences): Change return type to bool.  Bail out
2304         for too many datarefs in a loop.  Move the hunk resetting the data
2305         dependences vector from ...
2306         (compute_data_dependences_for_loop): ... here.  Account for
2307         compute_all_dependences returning false.
2308         (compute_data_dependences_for_bb): Likewise.
2309         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2310         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2311
2312 2012-01-27  Richard Guenther  <rguenther@suse.de>
2313
2314         PR middle-end/51959
2315         * expr.c (store_field): Use the alias-set of the scratch memory
2316         for storing to it.
2317
2318 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2319
2320         PR tree-optimization/51990
2321         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2322         WITH_SIZE_EXPR.
2323         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2324
2325 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2326
2327         PR debug/52001
2328         * var-tracking.c (reverse_op): Don't add any reverse operation
2329         if V already has any constant locations.
2330
2331 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2332
2333         * doc/invoke.texi: Correct usage of "command line" (noun)
2334         vs "command-line" (adjective) throughout.
2335
2336 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2337
2338         * doc/invoke.texi (Language Independent Options): Move
2339         -Wcoverage-mismatch blurb from here....
2340         (Warning Options): ...to here.
2341
2342 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2343
2344         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2345         Set rs6000_always_hint to false for 476.
2346
2347 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2348
2349         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2350           system root.
2351         * incpath.c (add_standard_paths): Likewise.
2352
2353 2012-01-27  Richard Henderson  <rth@redhat.com>
2354
2355         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2356         * config/m68k/sync.md (atomic_test_and_set): Rename from
2357         sync_test_and_setqi and adjust the operands.
2358         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2359         and unconditionally enable.
2360
2361 2012-01-27  Richard Henderson  <rth@redhat.com>
2362
2363         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2364         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2365         (ldstub): Rename from ldstubqi.
2366         (ldstub<I24MODE>): Remove.
2367
2368 2012-01-27  Richard Henderson  <rth@redhat.com>
2369
2370         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2371         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2372         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2373         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2374         * doc/tm.texi: Rebuild.
2375
2376 2012-01-27  Richard Henderson  <rth@redhat.com>
2377
2378         * optabs.c (gen_atomic_test_and_set): Remove default.
2379         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2380
2381 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2382
2383         PR rtl-optimization/51978
2384         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2385         (combine_reaching_defs): Likewise.
2386         (struct re_info): Remove.
2387         (add_removable_extension): Remove x and data arguments,
2388         add insn, insn_list and def_map.  Use the arguments directly
2389         instead of using struct re_info.
2390         (find_removable_extensions): Don't call add_removable_extension
2391         through note_stores, instead just call it with single_set
2392         result if non-NULL.
2393         (find_and_remove_re): Pass curr_cand->expr instead of
2394         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2395
2396 2012-01-26  Michael Matz  <matz@suse.de>
2397
2398         PR tree-optimization/46590
2399         * cfgexpand.c: Revert last change (r183305).
2400         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2401         regs.
2402         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2403         checking for emptiness.
2404
2405 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2406
2407         PR middle-end/51895
2408         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2409         non-addressable non-BLKmode base correctly.
2410
2411 2012-01-26  Michael Matz  <matz@suse.de>
2412
2413         PR tree-optimization/48794
2414         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2415         regions referenced from RESX/EH_DISPATCH.
2416
2417 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2418
2419         * config/s390/s390.h: Make BRANCH_COST an option.
2420         * config/s390/s390.opt: New option -mbranch-cost.
2421
2422 2012-01-26  Richard Henderson  <rth@redhat.com>
2423
2424         Revert 2012-01-24 change:
2425         * trans-mem.c (requires_barrier): Do not instrument thread local
2426         variables and emit save/restore for them.
2427
2428 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2429
2430         PR middle-end/51986
2431         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2432         for pat == 0.
2433
2434 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2435
2436         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2437         ASM_OPERANDS.
2438
2439 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2440
2441         PR target/49868
2442         Rename __pgm to __flash.
2443         Rename __pgm1 to __flash1.
2444         Rename __pgm2 to __flash2.
2445         Rename __pgm3 to __flash3.
2446         Rename __pgm4 to __flash4.
2447         Rename __pgm5 to __flash5.
2448         Rename __pgmx to __memx.
2449         * doc/extend.texi (AVR Named Address Spaces)
2450         Rename address space names as indicated above.
2451         * config/avr/avr.c (avr_addrspace): Ditto.
2452
2453         * config/avr/avr-protos.h
2454         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2455         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2456         * config/avr/predicates.md: Ditto.
2457         * config/avr/avr.c Ditto, and
2458         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2459         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2460
2461         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2462         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2463         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2464         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2465         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2466         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2467         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2468         * config/avr/avr.c: Ditto.
2469         * config/avr/avr.md: Ditto.
2470
2471 2012-01-25  Jason Merrill  <jason@redhat.com>
2472
2473         PR c++/51992
2474         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2475
2476 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2477
2478         PR tree-optimization/51987
2479         * tree-data-ref.c (get_references_in_stmt): Handle references in
2480         non-volatile GIMPLE_ASM.
2481
2482 2012-01-25  Richard Guenther  <rguenther@suse.de>
2483
2484         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2485         bases are dereferenced.
2486
2487 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2488
2489         PR rtl-optimization/48374
2490         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2491
2492 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2493
2494         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2495         compute_data_dependences_for_loop returns false.
2496         * tree-parloops.c (loop_parallel_p): Likewise.
2497
2498 2012-01-25  Richard Guenther  <rguenther@suse.de>
2499
2500         * tree.h (get_pointer_alignment_1): Declare.
2501         * builtins.c (get_pointer_alignment_1): New function.
2502         (get_pointer_alignment): Use it.
2503
2504 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2505
2506         PR rtl-optimization/48308
2507         * combine.c (enum undo_kind): Add UNDO_LINKS.
2508         (struct undo): Add member l to other_contents and where.
2509         (do_SUBST_LINK): New.
2510         (SUBST_LINK): New.
2511         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2512         (undo_all): Handle UNDO_LINKS.
2513
2514 2012-01-25  Richard Henderson  <rth@redhat.com>
2515
2516         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2517         mem inputs.
2518
2519 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2520
2521         * optabs.c (gen_atomic_test_and_set): Use each argument.
2522
2523 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2524
2525         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2526         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2527         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2528         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2529         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2530         TARGET_PAIRED_SINGLE_FLOAT.
2531
2532 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2533
2534         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2535         (in_struct, return_val): Remove MEM documentation.
2536         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2537         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2538         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2539         and MEM_SCALAR.
2540         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2541         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2542         * expr.c (store_field): Likewise.
2543         * function.c (assign_stack_temp_for_type): Likewise.
2544         * ifcvt.c (noce_try_cmove_arith): Likewise.
2545         * reload1.c (reload): Likewise.
2546         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2547         (alpha_set_memflags): Likewise.
2548         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2549
2550 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2551
2552         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2553         parameter.
2554         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2555         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2556         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2557         varies parameter.
2558         * cselib.c (cselib_rtx_varies_p): Delete.
2559         (cselib_invalidate_mem): Update call to canon_true_dependence.
2560         * dse.c (record_store, check_mem_read_rtx): Likewise.
2561         (scan_reads_nospill): Likewise.
2562         * cse.c (check_dependence): Likewise.
2563         (cse_rtx_varies_p): Delete.
2564         * expr.c (safe_from_p): Update call to true_dependence.
2565         * ira.c (validate_equiv_mem_from_store): Likewise.
2566         (memref_referenced_p): Likewise.
2567         * postreload-gcse.c (find_mem_conflicts): Likewise.
2568         * sched-deps.c (sched_analyze_2): Likewise.
2569         * store-motion.c (load_kills_store): Likewise.
2570         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2571         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2572         (compute_transp): Update call to canon_true_dependence.
2573
2574 2012-01-25  Richard Henderson  <rth@redhat.com>
2575
2576         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2577         (maybe_emit_atomic_test_and_set): New.
2578         (expand_sync_lock_test_and_set): Use it.
2579         (expand_atomic_test_and_set): Likewise.
2580         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2581         the implementation; clarify implementation defined details.
2582         * doc/md.texi (atomic_test_and_set): Document.
2583
2584 2012-01-25  Richard Henderson  <rth@redhat.com>
2585
2586         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2587
2588 2012-01-25  Richard Henderson  <rth@redhat.com>
2589
2590         PR target/51968
2591         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2592         to effect no-op split.
2593
2594 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2595
2596         PR lto/51698
2597         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2598         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2599         (BT_FN_VOID_PTR_INT_SIZE): New.
2600         (BT_FN_UINT_UINT_VAR): Remove.
2601         (BT_FN_UINT32_UINT32_VAR): New.
2602         (BT_FN_DOUBLE_VPTR): Remove.
2603         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2604
2605         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2606         (_ITM_changeTransactionMode): Same.
2607         (_ITM_memmoveRtWt): Change return type to void.
2608         (_ITM_memcpyRtWt): Same.
2609         (_ITM_memsetW): Same.
2610         (_ITM_RaRD): Change types to double.
2611         (_ITM_RD): Same.
2612         (_ITM_RaWD): Same.
2613         (_ITM_RfWD): Same.
2614
2615         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2616
2617 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2618             Patrick Marlier  <patrick.marlier@gmail.com>
2619
2620         * trans-mem.c (requires_barrier): Do not instrument thread local
2621         variables and emit save/restore for them.
2622
2623 2012-01-24  Jason Merrill  <jason@redhat.com>
2624
2625         PR c++/51812
2626         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2627         output static aliases.
2628
2629 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR driver/47249
2632         * common.opt (-pie, -shared, pie, shared): Change from Common to
2633         Driver.
2634         * gcc.c (display_help): Display help for -pie and -shared.
2635
2636 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2637
2638         PR target/49868
2639         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2640         Remove note on size/offset limitation.
2641         (AVR Variable Attributes): Add example how to read data located
2642         with progmem.  Refer to named address spaces.
2643         * doc/invoke.texi (AVR Options): Fix typo.
2644
2645 2012-01-24  Richard Guenther  <rguenther@suse.de>
2646
2647         Forward-port to trunk
2648         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2649
2650         PR middle-end/45678
2651         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2652         op0 isn't sufficiently aligned and there is movmisalignM
2653         insn for mode, use it to load op0 into a temporary register.
2654
2655 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR target/51957
2658         * target.def (const_not_ok_for_debug_p): New hook.
2659         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2660         documentation.
2661         * doc/tm.texi: Regenerated.
2662         * dwarf2out.c (const_ok_for_output_1): If
2663         targetm.const_not_ok_for_debug_p returns true, fail.
2664         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2665         function.
2666         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2667
2668 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2669
2670         PR target/51900
2671         * config/i386/predicates.md (symbolic_operand): Allow
2672         UNSPEC_PCREL as PIC expression for lea.
2673         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2674         * config/i386/i386.c (ix86_delegitimize_address): Handle
2675         UNSPEC_PCREL for none-MEM, too.
2676
2677 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2678
2679         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2680         (ipa_tm_create_version_alias): Same.
2681
2682 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2683
2684         PR libitm/51830
2685         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2686         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2687
2688 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2689             Patrick Marlier  <patrick.marlier@gmail.com>
2690             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2691
2692         PR lto/51916
2693         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2694         simple_object_start_read.
2695
2696 2012-01-23  Richard Guenther  <rguenther@suse.de>
2697
2698
2699         PR tree-optimization/51895
2700         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2701         parameter decomposition into BLKmode components.
2702
2703 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2704
2705         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2706         fake variables for restrict-qualified pointers whose pointed-to type
2707         contains a placeholder.
2708
2709 2012-01-23  Richard Guenther  <rguenther@suse.de>
2710
2711         PR tree-optimization/51949
2712         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2713
2714 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR rtl-optimization/51933
2717         * ree.c (transform_ifelse): Return true right away if dstreg is
2718         already wider or equal to cand->mode.
2719         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2720         (make_defs_and_copies_lists): Remove defs_list and copies_list
2721         arguments, add state argument, just truncate state->work_list
2722         instead of always allocating and freeing the vector.  Assert that
2723         get_defs succeeds instead of returning 2.  Changed return type to bool.
2724         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2725         have ext_src_mode, see if it has been modified already with the
2726         right kind of extension and has been extended before from the
2727         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2728         just return true.  Remember the original mode in state->modified array.
2729         (combine_reaching_defs): Add state argument.  Don't allocate and
2730         free here def_list, copied_list and vec vectors, instead just
2731         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2732         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2733         Add state variable, clear vectors in it, initialize state.modified
2734         if needed.  Free all the vectors at the end and state.modified too.
2735         Don't skip a candidate if the extension expression has been modified.
2736
2737 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2738
2739         PR target/47096
2740         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2741          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2742         (extra_options) interix.opt -> i386/interix.opt"
2743         (extra_objs):Add winnt-stubs.o
2744         * configure.ac: Add interix to target_os .comm on PE check.
2745         * configure: Regenerate.
2746         * config/interix3.h: Delete and move bits to..
2747         * config/interix.h: Delete and move bits to..
2748         * config/i386/i386-interix3.h: Delete and move bits to..
2749         * config/i386/i386-interix.h: ..here.
2750         (TARGET_CPU_DEFAULT): Remove redefinition.
2751         (TARGET_ASM_CONSTRUCTOR): Undefine.
2752         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2753         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2754         (PTRDIFF_TYPE): Define.
2755         (LONG_DOUBLE_TYPE_SIZE): Define.
2756         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2757         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2758         (TARGET_SECTION_TYPE_FLAGS): Define.
2759         (ASM_DECLARE_FUNCTION_NAME): Define.
2760         (ASM_OUTPUT_EXTERNAL): Define.
2761         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2762         (ASM_OUTPUT_ALIGNED_BSS): Define.
2763         (PCC_BITFIELD_TYPE_MATTERS): Define.
2764         (USE_CONST_SECTION): Define.
2765         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2766         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2767         (SUPPORTS_ONE_ONLY): Remove.
2768         (I386_PE_STRIP_ENCODING): Define.
2769         * config/interix.opt: Delete and move bits to..
2770         * config/i386/interix.opt: ..here. New.
2771         (mpe-aligned-commons): Add.
2772         * config/i386/t-interix: Add copyright header.
2773         (winnt-stubs.o): Add rule.
2774
2775 2012-01-22  Jason Merrill  <jason@redhat.com>
2776
2777         PR c++/51832
2778         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2779         for extra name aliases.
2780
2781 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2782
2783         PR rtl-optimization/51924
2784         * ree.c (combine_set_extension): Improve debugging message.
2785         (combine_reaching_defs): Likewise.
2786         (get_defs): Rename confusingly named variable.
2787         (find_and_remove_re): Skip a candidate if the extension expression has
2788         been modified.
2789
2790 2012-01-21  Robert Millan  <rmh@gnu.org>
2791             Gerald Pfeifer  <gerald@pfeifer.com>
2792
2793         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2794         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2795
2796 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2797
2798         PR tree-optimization/51914
2799         * tree-vect-stmts.c (vectorizable_conversion): For
2800         cvt_type && modifier == WIDEN, put temporary with cvt_type
2801         at the beginning of vec_dsts and set vec_dest to temporary
2802         with vectype_out.
2803
2804 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2805
2806         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2807
2808 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2809
2810         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2811         * config/rs6000/rs6000.c: Likewise.
2812
2813 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR target/51915
2816         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2817         output_move_double on a copy of operands array.
2818
2819 2012-01-20  Cary Coutant  <ccoutant@google.com>
2820             Dodji Seketeli  <dodji@redhat.com>
2821
2822         PR debug/45682
2823         * dwarf2out.c (copy_declaration_context): Return ref to parent
2824         of declaration DIE, if necessary.
2825         (remove_child_or_replace_with_skeleton): Add new parameter; update
2826         caller.  Place skeleton DIE under parent DIE of original declaration.
2827         Move call to copy_declaration_context to here ...
2828         (break_out_comdat_types): ... from here.
2829
2830 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2831
2832         PR rtl-optimization/51856
2833         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2834         flag to reloaded.
2835
2836 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2837
2838         PR target/51819
2839         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2840         hints for neon loads and stores.
2841
2842 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2843
2844         PR target/49868
2845         PR target/50887
2846         * doc/extend.texi (Named Address Spaces): Split into subsections.
2847         (AVR Named Address Spaces): New subsection.
2848         (M32C Named Address Spaces): New subsection.
2849         (RL78 Named Address Spaces): New subsection.
2850         (SPU Named Address Spaces): New subsection.
2851         (Variable Attributes): New anchor "AVR Variable Attributes".
2852         (AVR Variable Attributes): Rewrite and avoid wording
2853         "address space" in this context.
2854         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2855         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2856         (AVR Built-in Macros): New subsubsection therein.
2857         * doc/md.texi (AVR constraints): Remove "C04", "R".
2858
2859 2012-01-20  Richard Guenther  <rguenther@suse.de>
2860
2861         PR tree-optimization/51903
2862         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2863         when removing stmts.
2864
2865 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2866
2867         PR target/50313
2868         * config/arm/arm.c (arm_load_pic_register): Use
2869         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2870         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2871         (arm_pic_static_addr): Likewise.
2872         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2873         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2874         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2875         (pic_load_addr_unified): New.
2876
2877 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2878
2879         PR target/51106
2880         * function.c (instantiate_virtual_regs_in_insn): Use
2881         delete_insn_and_edges when removing a wrong asm insn.
2882
2883 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2884
2885         PR rtl-optimization/40761
2886         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2887         Add new member loop_num.
2888         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2889         (ira_build): Remove the parameter.
2890
2891         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2892         (ira.c): Do not build CFG loops for one region allocation.  Remove
2893         argument from ira_build call.
2894
2895         * ira-build.c (init_loop_tree_node): New function.
2896         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2897         loops are not built.
2898         (more_one_region_p): Check current_loops.
2899         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2900         built.
2901         (add_loop_to_tree): Process loop equal to NULL too.
2902         (form_loop_tree): Separate the case when CFG loops are not built.
2903         Use explicitly number for the root.
2904         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2905         an assertion.
2906         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2907         instead of loop->num.
2908         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2909         (mark_all_loops_for_removal): Ditto.
2910         (remove_unnecessary_regions): Separate the case when CFG loops
2911         are not built.
2912         (ira_build): Remove the parameter.  Use explicit number of regions
2913         when CFG loops are not built.
2914
2915         * ira-color.c (print_loop_title): Separate the case for the root node.
2916         Use loop_num instead of loop->num.
2917         (move_spill_restore): Use loop_num instead of loop->num.
2918
2919         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2920         (change_loop): Ditto.
2921         (change_loop): Use loop_num instead of loop->num.
2922
2923         * ira-lives.c (process_bb_node_lives): Ditto.
2924
2925         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2926
2927         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2928
2929 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2930
2931         PR libmudflap/40778
2932         * tree-mudflap.c (mf_artificial): New function.
2933         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2934         mx_register_decls, mudflap_enqueue_decl): Use it.
2935
2936         PR target/51876
2937         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2938         numbers in the insn pattern.
2939
2940 2012-01-19  Michael Matz  <matz@suse.de>
2941
2942         PR tree-optimization/46590
2943         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2944         use it in remembering which conflicts we already created.
2945         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2946         bitmap.
2947
2948 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2949
2950         PR lto/51280
2951         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2952         (merge_and_complain): Same.
2953
2954 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2955
2956         PR bootstrap/50237
2957         * config/initfini-array.h: Guard content of the header
2958         with #ifdef HAVE_INITFINI_ARRAY.
2959         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2960         Add initfini-array.h to tm_file here.
2961         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2962         * config.gcc: Don't add initfini-array.h to tm_file here.
2963         * configure: Regenerated.
2964
2965 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2966
2967         PR rtl-optimization/51505
2968         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2969         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2970         (df_note_bb_compute): Update the call to df_kill_notes.
2971
2972 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2973
2974         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2975
2976 2012-01-18  Richard Guenther  <rguenther@suse.de>
2977
2978         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2979         of conversions to void *.
2980
2981 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2982             Richard Sandiford  <rdsandiford@googlemail.com>
2983
2984         PR middle-end/50325
2985         PR middle-end/51192
2986         * optabs.h (simplify_expand_binop): Declare.
2987         * optabs.c (simplify_expand_binop): Make global.
2988         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2989         endian targets if the source cannot be exactly covered by word
2990         mode chunks.
2991
2992 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2993
2994         PR bootstrap/51872
2995         * hard-reg-set.h (struct hard_reg_set_container): New type.
2996         * target.h (struct hard_reg_set_container): Forward declare.
2997         * target.def (set_up_by_prologue): New target hook.
2998         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2999         * doc/tm.texi: Regenerated.
3000         * function.c (thread_prologue_and_epilogue_insns): Change
3001         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3002         Call targetm.set_up_by_prologue on it.
3003         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3004         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3005
3006 2012-01-17  Nick Clifton  <nickc@redhat.com>
3007
3008         * config/rx/rx.c (rx_can_use_simple_return): New function.
3009         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3010         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3011
3012 2012-01-17  Richard Guenther  <rguenther@suse.de>
3013
3014         PR middle-end/51782
3015         * expr.c (expand_assignment): Take address-space information
3016         from the address operand of MEM_REF and TARGET_MEM_REF.
3017         (expand_expr_real_1): Likewise.
3018
3019 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3020
3021         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3022         reload dump is requested.
3023
3024 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3025
3026         PR other/51165
3027         * trans-mem.c (requires_barrier): Call may_be_aliased.
3028
3029 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3030
3031         PR tree-optimization/51877
3032         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3033         call arguments and fndecls compare equal, instead return false if they
3034         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3035         both SSA_NAMEs that are valueized the same, or they satisfy
3036         operand_equal_p.
3037
3038 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3039
3040         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3041         Solaris 11+.
3042         * configure: Regenerate.
3043
3044 2012-01-16  Jan Hubicka  <jh@suse.cz>
3045
3046         PR c/12245
3047         PR c++/14179
3048         * convert.c (convert_to_integer): Use fold_convert for
3049         converting an INTEGER_CST to integer type.
3050
3051 2012-01-16  Jason Merrill  <jason@redhat.com>
3052
3053         PR c++/14179
3054         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3055
3056 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3057
3058         PR bootstrap/51860
3059         * config/s390/s390.c (s390_chunkify_start): Don't skip
3060         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3061         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3062         If insn is followed by NOTE_INSN_VAR_LOCATION or
3063         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3064         Don't use location of note insns.
3065
3066         PR tree-optimization/51865
3067         * tree-inline.c (tree_function_versioning): Call remap_decl
3068         on DECL_RESULT whenever it has VOID_TYPE_P type.
3069
3070 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3071
3072         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3073         for calls to locally-binding MIPS16 functions if only the return
3074         type uses float regs.
3075
3076 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3077             Richard Sandiford  <rdsandiford@googlemail.com>
3078
3079         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3080         (SYMBOL_32_HIGH): Likewise.
3081         (mips_output_tls_reloc_directive): Declare.
3082         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3083         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3084         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3085         (mips_lo_relocs, mips_hi_relocs): Make extern.
3086         (mips16_stub_function): Move up file.
3087         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3088         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3089         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3090         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3091         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3092         (mips_get_tp): Add MIPS16 support.
3093         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3094         Generalize DTPREL and TPREL handling.
3095         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3096         Add MIPS16 TLS support.
3097         (mips_output_tls_reloc_directive): New function.
3098         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3099         * config/mips/predicates.md (symbolic_operand_with_high)
3100         (tls_reloc_operand): New predicates.
3101         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3102         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3103         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3104         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3105         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3106         (*tls_get_tp_mips16_call_<mode>): Likewise.
3107
3108 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3109
3110         PR rtl-optimization/51821
3111         * recog.c (peep2_find_free_register): Determine clobbered registers
3112         from insn pattern.
3113
3114 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3115
3116         PR target/50925
3117         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3118         * config/avr/avr.c: Likewise.
3119         * config/avr/avr.h: Likewise.
3120
3121 2012-01-13  Ian Lance Taylor  <iant@google.com>
3122
3123         PR c++/50012
3124         * tree.h (TYPE_QUALS): Add cast to int.
3125         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3126
3127 2012-01-13  Ian Lance Taylor  <iant@google.com>
3128
3129         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3130         comparing param_index to VEC_length result.
3131
3132 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3133
3134         * c-decl.c: Do not include tree-mudflap.h
3135         * tree-optimize.c: Likewise.
3136         * Makefile.in: Update dependencies.
3137
3138 2012-01-13  Richard Guenther  <rguenther@suse.de>
3139
3140         PR middle-end/8081
3141         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3142         variable-sized result always use RSO.
3143
3144 2012-01-12  DJ Delorie  <dj@redhat.com>
3145
3146         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3147         pointer type, not just the default pointer type.
3148
3149 2012-01-09  Richard Henderson  <rth@redhat.com>
3150             Denis Chertykov  <chertykov@gmail.com>
3151
3152         PR target/50925
3153         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3154         * config/avr/avr.c (avr_can_eliminate): Simplify.
3155         (avr_initial_elimination_offset): Likewise.
3156         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3157         (expand_epilogue): Likewise.
3158         (avr_legitimize_address): Gut.
3159         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3160         (avr_hard_regno_nregs): New.
3161         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3162         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3163         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3164         add soft frame pointer.
3165         (CALL_USED_REGISTERS): Likewise.
3166         (REG_CLASS_CONTENTS): Likewise.
3167         (REGISTER_NAMES): Likewise.
3168         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3169         (HARD_FRAME_POINTER_REGNUM): New.
3170         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3171         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3172         remove the HARD_FRAME_POINTER self-elimination.
3173
3174 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3175
3176         PR target/51756
3177         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3178         DECL_EXTERNAL when checking for initializers of progmem variables.
3179
3180 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3181
3182         PR tree-optimization/51799
3183         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3184         that the last operation is a type demotion.
3185
3186 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3189         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3190
3191 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR bootstrap/51796
3194         * combine.c (distribute_notes): If i3 is a noreturn call,
3195         allow old_size to be equal to args_size and make sure the
3196         noreturn call gets REG_ARGS_SIZE note.
3197         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3198         on noreturn calls even when the delta is 0.
3199
3200 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3201
3202         * gcov.c (STRING_SIZE): Remove.
3203         (generate_results): Erase annotations for source files with no
3204         coverage information.
3205         (read_line): New.
3206         (output_lines): Use it.
3207
3208 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3209
3210         * gimple.h (gimplify_body): Remove first argument.
3211         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3212         pointer set here, instead just pass DATA to walk_tree.
3213         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3214         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3215         (unvisit_body): Likewise, but with unmark_visited.
3216         (gimplify_body): Remove BODY_P argument and adjust.
3217         (gimplify_function_tree): Adjust call to gimplify_body.
3218         * omp-low.c (finalize_task_copyfn): Likewise.
3219
3220 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3221
3222         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3223         (build_function_type_skip_args): Delete.
3224         * tree.c (build_function_type_skip_args): Make static and add
3225         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3226         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3227         pass it to build_function_type_skip_args.
3228         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3229         (tree_function_versioning): Likewise.
3230         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3231         build_function_decl_skip_args.
3232         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3233         and pass it to build_function_decl_skip_args/tree_function_versioning.
3234         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3235         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3236         * trans-mem.c (ipa_tm_create_version): Likewise.
3237         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3238         * tree-inline.c (declare_return_variable): Remove always-true test.
3239         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3240         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3241         * ipa-split.c (split_function): Skip the return value for the split
3242         part if it doesn't return.
3243
3244 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3245
3246         PR tree-optimization/49642
3247         * ipa-split.c (forbidden_dominators): New variable.
3248         (check_forbidden_calls): New function.
3249         (dominated_by_forbidden): Likewise.
3250         (consider_split): Check for forbidden dominators.
3251         (execute_split_functions): Initialize and free forbidden
3252         dominators info; call check_forbidden_calls.
3253
3254 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3255
3256         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3257
3258 2012-01-11  Nick Clifton  <nickc@redhat.com>
3259
3260         * config/rx/rx.md (return): Define pattern.
3261
3262 2012-01-11  Richard Guenther  <rguenther@suse.de>
3263
3264         * doc/extend.texi (malloc attribute): Adjust according to
3265         implementation.
3266
3267 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3268             Patrick Marlier  <patrick.marlier@gmail.com>
3269
3270         PR middle-end/51516
3271         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3272         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3273         (ipa_tm_note_irrevocable): Same.
3274         (ipa_tm_scan_irr_block): Same.
3275         (ipa_tm_decrement_clone_counts): Same.
3276         (ipa_tm_scan_irr_function): Same.
3277         (ipa_tm_create_version_alias): Same.
3278         (ipa_tm_create_version): Same.
3279         (ipa_tm_transform_calls_redirect): Same.
3280         (ipa_tm_transform_calls): Same.
3281         (ipa_tm_transform_transaction): Same.
3282         (ipa_tm_execute): Same.
3283
3284 2012-01-10  Richard Guenther  <rguenther@suse.de>
3285
3286         PR middle-end/51806
3287         * opts.c (common_handle_option): Handle -Werror.
3288
3289 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3290
3291         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3292         operand number.
3293
3294 2012-01-10  Jason Merrill  <jason@redhat.com>
3295
3296         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3297         information.
3298
3299 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3300
3301         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3302         supports R_386_TLS_GD_PLT reloc.
3303         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3304         supports R_386_TLS_LDM_PLT reloc.
3305         * configure: Regenerate.
3306         * config.in: Regenerate.
3307
3308 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3309
3310         PR target/49868
3311         Extend __pgmx semantics to linearize memory.
3312         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3313         determine if code comes inline or from libgcc.
3314         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3315         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3316         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3317         (movmemx_qi, movmemx_hi): New insns.
3318         (xload_<mode>_libgcc): Rewrite to new insn condition.
3319         (xload_<mode>): Remove insns.
3320         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3321         cases that don't satisfy avr_xload_libgcc_p().
3322         (avr_addr_space_convert): Allow converting in any direction.
3323         (avr_addr_space_subset_p): Return always true.
3324         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3325         (avr_emit_movmemhi): Ditto.
3326         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3327         (avr_out_movmem): Ditto.
3328         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3329         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3330         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3331         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3332         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3333
3334 2012-01-10  Richard Guenther  <rguenther@suse.de>
3335
3336         PR tree-optimization/50913
3337         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3338         Require data-refs to be representable by Graphite with respect
3339         to any loop nest.
3340
3341 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3342
3343         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3344         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3345
3346 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3347
3348         PR rtl-optimization/51271
3349         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3350         handling annulled branch.
3351
3352 2012-01-10  Richard Henderson  <rth@redhat.com>
3353
3354         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3355         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3356         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3357         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3358         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3359         arm_expand_vec_perm_const): New.
3360         * config/arm/arm-protos.h: Update.
3361         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3362         (*neon_vswp<VDQX>): New.
3363         (neon_vcombine<VDX>): Use neon_split_vcombine.
3364         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3365         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3366         (vec_perm<VE>): New.
3367
3368 2012-01-10  Richard Henderson  <rth@redhat.com>
3369
3370         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3371         use it if reload_completed.
3372         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3373         arm_output_asm_insn, arm_process_output_memory_barrier,
3374         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3375         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3376         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3377         arm_process_output_sync_insn, arm_output_sync_insn,
3378         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3379         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3380         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3381         (emit_unlikely_jump): New.
3382         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3383         (arm_split_atomic_op): New.
3384         * config/arm/arm-protos.h: Update.
3385         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3386         (struct arm_sync_generator): Remove.
3387         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3388         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3389         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3390         (VUNSPEC_LL, VUNSPEC_SC): New.
3391         (sync_result, sync_memory, sync_required_value, sync_new_value,
3392         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3393         (attr length): Don't use arm_sync_loop_insns.
3394         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3395         (movsfcc, movdfcc): Likewise.
3396         * config/arm/constraints.md (Ua): New.
3397         * config/arm/prediates.md (mem_noofs_operand): New.
3398         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3399         (sync_clobber, sync_t2_reqd): Remove.
3400         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3401         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3402         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3403         (arm_sync_compare_and_swap<SIDI>): Remove.
3404         (arm_sync_compare_and_swap<NARROW>): Remove.
3405         (arm_sync_lock_test_and_set<SIDI>): Remove.
3406         (arm_sync_lock_test_and_set<NARROW>): Remove.
3407         (arm_sync_new_<syncop><SIDI>): Remove.
3408         (arm_sync_new_<syncop><NARROW>): Remove.
3409         (arm_sync_new_nand<SIDI>): Remove.
3410         (arm_sync_new_nand<NARROW>): Remove.
3411         (arm_sync_old_<syncop><SIDI>): Remove.
3412         (arm_sync_old_<syncop><NARROW>): Remove.
3413         (arm_sync_old_nand<SIDI>): Remove.
3414         (arm_sync_old_nand<NARROW>): Remove.
3415         (*memory_barrier): Merge arm_output_memory_barrier.
3416         (atomic_compare_and_swap<QHSD>): New.
3417         (atomic_compare_and_swap<NARROW>_1): New.
3418         (atomic_compare_and_swap<SIDI>_1): New.
3419         (atomic_exchange<QHSD>): New.
3420         (cas_cmp_operand, cas_cmp_str): New.
3421         (atomic_op_operand, atomic_op_str): New.
3422         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3423         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3424         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3425         (arm_load_exclusive<NARROW>): New.
3426         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3427         (arm_store_exclusive<QHSD>): New.
3428
3429 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3430
3431         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3432         reload patterns if -mvsx-scalar-memory.
3433
3434         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3435         generated, even -mno-vsx-scalar-double was used.
3436         (vsx_xscvdpsp_scalar): Likewise.
3437         (vsx_xscvspdp_scalar2): Likewise.
3438
3439 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3440             Andrew Pinski  <apinski@cavium.com>
3441
3442         PR debug/51471
3443         * reorg.c (fill_slots_from_thread): Don't speculate
3444         frame-related insns.
3445
3446 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3447
3448         * sched-int.h (bb_note): Move to...
3449         * basic-block.h: ...here.
3450         * haifa-sched.c (bb_note): Move to...
3451         * cfgrtl.c: ...here.
3452         * function.c (next_block_for_reg): New function.
3453         (move_insn_for_shrink_wrap): Likewise.
3454         (prepare_shrink_wrap): Rewrite to use the above.
3455
3456 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3457
3458         * gimple.c (is_gimple_non_addressable): Remove.
3459         * gimple.h: Remove is_gimple_non_addressable.
3460         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3461         is_gimple_non_addressable.
3462         * trans-mem.c (expand_assign_tm): Same.
3463
3464 2012-01-09  Richard Guenther  <rguenther@suse.de>
3465
3466         PR tree-optimization/51775
3467         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3468         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3469
3470 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3471
3472         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3473         tuning parameters.
3474         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3475
3476 2012-01-09  Richard Guenther  <rguenther@suse.de>
3477
3478         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3479
3480 2012-01-08  Jan Hubicka  <jh@suse.cz>
3481
3482         PR tree-optimize/51680
3483         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3484         on when known_vals needs to be computed; cleanup.
3485
3486 2012-01-08  Jan Hubicka  <jh@suse.cz>
3487
3488         PR tree-optimize/51694
3489         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3490
3491 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3492
3493         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3494         for -std=c++98 and -std=c++11 too.
3495
3496 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3497
3498         * cfgloop.c (cancel_loop): Add free() of bbs array.
3499
3500 2012-01-07  Jan Hubicka  <jh@suse.cz>
3501
3502         PR tree-optimization/51600
3503         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3504         that benefits small functions.