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2012-04-12 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-12  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/52943
4         * tree-chrec.h (chrec_is_positive): Remove.
5         * tree-scalar-evolution.c (chrec_is_positive): Move ...
6         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
7         Return false for a constant zero instead of negative.
8         (analyze_siv_subscript_cst_affine): Handle zero difference
9         in the initial condition explicitely.
10
11 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12
13         PR middle-end/52894
14         * varasm.c (process_pending_assemble_externals): Set
15         pending_assemble_externals_processed true.
16         (assemble_external): Call assemble_external_real if the pending
17         assemble externals have been processed.
18
19 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
20
21         PR target/52717
22         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
23         the DECL generated for the special GOT helper.
24
25 2012-04-06  Walter Lee  <walt@tilera.com>
26
27         Backport from mainline
28         2012-03-07  Walter Lee  <walt@tilera.com>
29
30         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
31         REG_CFA_* notes for the stack pointer.
32         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
33         EH_RETURN_STACKADJ_RTX.
34         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
35         generate REG_CFA_* notes for the stack pointer.
36         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
37         by EH_RETURN_STACKADJ_RTX.
38         
39 2012-04-06  Matt Turner  <mattst88@gmail.com>
40
41         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
42
43 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
44
45         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
46         of the destination isn't also a FP_REGS register.
47
48 2012-04-03  Richard Guenther  <rguenther@suse.de>
49
50         Backport from mainline
51         2012-03-02  Richard Guenther  <rguenther@suse.de>
52
53         PR tree-optimization/52406
54         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
55         (struct indices): Add unconstrained_base member.
56         (struct dr_alias): Remove unused vops member.
57         (DR_UNCONSTRAINED_BASE): New define.
58         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
59         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
60         be an artificial access that covers the whole indexed object,
61         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
62         plain decl base-objects to their MEM_REF variant.
63         (dr_may_alias_p): When the base-object of either data reference
64         has unknown size use only points-to information.
65         (compute_affine_dependence): Make dumps easier to read and
66         more verbose.
67         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
68         DR_REF when looking for packed references.
69         (vect_supportable_dr_alignment): Likewise.
70
71 2012-04-03  Richard Guenther  <rguenther@suse.de>
72
73         Backport from mainline
74         2012-03-15  Richard Guenther  <rguenther@suse.de>
75
76         PR middle-end/52580
77         * tree-data-ref.c (subscript_dependence_tester_1): Check
78         all dimensions for non-conflicting access functions.
79
80 2012-04-03  Richard Guenther  <rguenther@suse.de>
81
82         Backport from mainline
83         2012-03-06  Richard Guenther  <rguenther@suse.de>
84
85         PR middle-end/52493
86         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
87
88         2012-03-23  Richard Guenther  <rguenther@suse.de>
89
90         PR tree-optimization/52678
91         * tree-vectorizer.h (struct _stmt_vec_info): Add
92         loop_phi_evolution_part member.
93         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
94         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
95         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
96         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
97         Use the cached evolution part and the PHI nodes value from
98         the loop preheader edge instead of re-analyzing the evolution.
99
100         2012-03-26  Richard Guenther  <rguenther@suse.de>
101
102         PR tree-optimization/52701
103         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
104         compute and set the evolution part of PHI nodes.
105
106         2012-03-30  Richard Guenther  <rguenther@suse.de>
107
108         PR tree-optimization/52754
109         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
110         propagate arbitrary addresses into really plain dereferences.
111
112 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
113
114         PR tree-optimization/52835
115         * tree-data-ref.c (build_rdg): Return NULL if
116         compute_data_dependences_for_loop failed.
117
118 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
119
120         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
121         (stmt_can_make_abnormal_goto): Use it.
122         (is_ctrl_altering_stmt): Likewise.
123
124 2012-03-31  Martin Jambor  <mjambor@suse.cz>
125
126         Backported from mainline
127         2012-03-30  Martin Jambor  <mjambor@suse.cz>
128
129         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
130         is a builtin_stack_save in a dominating BB.
131
132 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
133
134         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
135         crossing 128bit lane boundary.
136
137 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
138
139         Backported from mainline
140         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
141
142         PR target/52698
143         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
144         New prototype.
145         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
146         * config/i386/i386.c: Include reload.h.
147         (ix86_legitimize_reload_address): New function.
148
149 2012-03-28  Martin Jambor  <mjambor@suse.cz>
150
151         Backported from mainline
152         2012-03-27  Martin Jambor  <mjambor@suse.cz>
153
154         PR middle-end/52693
155         * tree-sra.c (sra_modify_assign): Do not call
156         load_assign_lhs_subreplacements when working with an unscalarizable
157         region.
158
159 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
160
161         PR middle-end/52691
162         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
163         __builtin_va_start to __builtin_next_arg if the latter is
164         builtin_decl_explicit_p rather than when it is not.
165
166         PR middle-end/52750
167         * tree-vect-generic.c (vector_element): Perform multiplication
168         for pos in bitsizetype type instead of idx type.
169
170 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
171
172         Backport from 2012-03-28 mainline r185910.
173
174         PR target/52692
175         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
176         (avr_builtin_decl): New static function.
177         (struct avr_builtin_description, avr_bdesc): Move up.
178         Add GTY marker. Add field fndecl. Remove redundant field id.
179         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
180         (avr_expand_builtin): Code cleanup because .id is removed.
181
182 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
183
184         PR middle-end/51893
185         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
186         targets.
187
188 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
189
190         Backport from 2012-03-28 mainline r185907.
191
192         PR target/52737
193         * config.gcc (tm_file): Remove avr/multilib.h.
194
195         * doc/invoke.texi (AVR Options): Adjust
196         documentation of -mtiny-stack.
197
198         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
199         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
200         * config/avr/t-avr: Remove generation of multilib.h.
201         * config/avr/t-multilib: Regenerate.
202         * config/avr/multilib.h: Remove.
203         * config/avr/avr.opt (-msp8): New option.
204         (avr_sp8): New variable.
205         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
206         * config/avr/avr.h (AVR_HAVE_SPH): New define.
207         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
208         (avr_device_to_sp8): New prototype.
209         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
210         (DRIVER_SELF_SPECS): New define.
211         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
212         __AVR_SP8__, __AVR_HAVE_SPH__.
213         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
214         AVR_HAVE_8BIT_SP to decide if SP_H is present.
215         (avr_file_start): Ditto.
216
217 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
218
219         PR target/52736
220         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
221         instead of 8 in adjust_address.
222
223 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
224
225         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
226         of a unit before computing the offset in units.
227
228 2012-03-27  Richard Guenther  <rguenther@suse.de>
229
230         PR middle-end/52720
231         * fold-const.c (try_move_mult_to_index): Handle &x.array more
232         explicitely.
233
234 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
235
236         PR target/52610
237         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
238
239 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
240
241         PR middle-end/52640
242         * varasm.c: Include pointer-set.h.
243         (pending_assemble_externals_set): New pointer set.
244         (process_pending_assemble_externals): Destroy the pointer set.
245         (assemble_external): See if decl is in pending_assemble_externals_set,
246         and add it to pending_assemble_externals if necessary.
247         (init_varasm_once): Allocate pending_assemble_externals_set.
248
249 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
250
251         Backported from mainline
252         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
253
254         PR target/50310
255         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
256         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
257         (vector_ltgt<mode>): Likewise.
258         (vector_ordered<mode>): Likewise.
259         (vector_unordered<mode>): Likewise.
260         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
261
262 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
263
264         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
265         Make static.
266
267 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
268
269         Backported from mainline
270         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
271
272         PR target/48596
273         PR target/48806
274         * config/sh/sh.c (sh_register_move_cost): Increase cost between
275         GENERAL_REGS and FP_REGS for SImode.
276
277 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
278
279         PR middle-end/52547
280         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
281         on any new_local_var_chain vars declared during recursing on
282         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
283
284 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
285
286         Backport from 2012-03-22 mainline r185692.
287
288         PR target/52496
289         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
290         (unspecv): Add UNSPECV_MEMORY_BARRIER.
291         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
292         (delay_cycles_1, delay_cycles_2): Ditto.
293         (delay_cycles_3, delay_cycles_4): Ditto.
294         (nopv, *nopv): Ditto.
295         (sleep, *sleep): Ditto.
296         (wdr, *wdr): Ditto.
297
298         Backport from 2012-03-21 mainline r185605.
299
300         PR rtl-optimization/52543
301         PR target/52461
302         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
303         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
304         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
305         (avr_load_libgcc_p): Restrict to __flash loads.
306         (avr_out_lpm): Only handle 1-byte loads from __flash.
307         (avr_load_lpm): New function.
308         (avr_find_unused_d_reg): Remove.
309         (avr_out_lpm_no_lpmx): Remove.
310         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
311         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
312         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
313         (load_<mode>, load_<mode>_clobber): New insns.
314         (mov<mode>): For multi-byte move from non-generic
315         16-bit address spaces: Expand to load_<mode> resp.
316         load_<mode>_clobber.
317         (load<mode>_libgcc): Remove expander.
318         (split-lpmx): Remove split.
319
320         Backport from 2012-03-13 mainline r185329.
321
322         PR target/52488
323         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
324         offset (size) to a value the insns can deal with.
325         (expand_epilogue): Ditto.
326
327         Backport from 2012-03-12 mainline r185256.
328
329         PR target/52499
330         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
331         type from reg_class_t to enum reg_class.
332         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
333
334         Backport from 2012-03-12 mainline r185253.
335
336         PR target/52148
337         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
338         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
339         r184615 from 2012-02-28.
340
341         Backport from 2012-03-08 mainline r185105.
342
343         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
344         for constants in [-63,63].
345
346         Backport from 2012-03-08 mainline r185100.
347
348         PR target/52496
349         * config/avr/avr.c (avr_mem_clobber): New static function.
350         (avr_expand_delay_cycles): Add memory clobber operand to
351         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
352         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
353         (enable_interrupt, disable_interrupt): New expander.
354         (nopv, sleep, wdr): New expanders.
355         (delay_cycles_1): Add memory clobber.
356         (delay_cycles_2): Add memory clobber.
357         (delay_cycles_3): Add memory clobber.
358         (delay_cycles_4): Add memory clobber.
359         (cli_sei): New insn from former "enable_interrupt",
360         "disable_interrupt" with memory clobber.
361         (*wdt): New insn from former "wdt" with memory clobber.
362         (*nopv): Similar, but for "nopv".
363         (*sleep): Similar, but for "sleep".
364
365         Backport from 2012-03-07 mainline r185043.
366
367         PR target/52484
368         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
369
370         Backport from 2012-03-07 mainline r185032.
371
372         PR target/52506
373         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
374         to: RAMPZ, RAMPY, RAMPX, RAMPD.
375         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
376
377         Backport from 2012-03-07 mainline r185031.
378
379         PR target/52505
380         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
381         from RAM.
382         * config/avr/avr.md (xload_8): Adjust insn length.
383
384         Backport from 2012-03-07 mainline r185030.
385
386         PR target/52461
387         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
388         if RAMPZ affects reading from RAM.
389
390         Backport from 2012-03-05 mainline r184919.
391
392         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
393
394 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
395
396         Backport from mainline r185259.
397
398         PR other/52545
399         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
400         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
401
402 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
403
404         Backported from mainline
405         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
406
407         PR c/52577
408         * c-parser.c (c_parser_postfix_expression)
409         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
410
411         * config/i386/smmintrin.h: Avoid /* within a comment.
412         * config/i386/nmmintrin.h: Likewise.
413
414 2012-03-22  Richard Guenther  <rguenther@suse.de>
415
416         * BASE-VER: Set to 4.7.1.
417         * DEV-PHASE: Set to prerelease.
418
419 2012-03-22  Release Manager
420
421         * GCC 4.7.0 released.
422
423 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
424
425         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
426
427 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
428             Andrew Pinski  <apinski@cavium.com>
429
430         PR middle-end/52592
431         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
432         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
433         calls instead of __builtin_ir{int,ound}*.
434
435 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
436
437         PR c++/52582
438         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
439         if c_node is NULL.
440
441 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
442
443         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
444         Refer to GCC 4.7 version of c99status.html.
445
446 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
447
448         Backport from mainline
449         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
450
451         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
452         redefine to be NULL if the current bit-size is different from the
453         configured bit-size.
454
455         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
456         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
457         set the default tuning.  Add asserts to make sure the cpu and tune
458         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
459         test whether the index is set, instead of > 0.
460         (rs6000_file_start): Do not reset the default cpu if the current
461         bit-size is different from the configured bit-size.
462
463 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
464
465         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
466         binutils reference.
467         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
468         Update binutils references.
469         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
470         Update binutils reference.
471         Update Sun as/GNU ld caveat.
472         Document binutils largefile requirement for LTO plugin.
473         Remove reference to alternate libpthread.
474
475 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
476
477         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
478         reference.
479         (Specific, mips-sgi-irix6): Likewise.
480
481 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
482
483         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
484         * configure: Regenerate.
485
486 2012-03-07  Richard Henderson  <rth@redhat.com>
487
488         * config/m68k/m68k.h (ISA_HAS_TAS): New.
489         * config/m68k/sync.md (atomic_test_and_set): Use it.
490         (atomic_test_and_set_1): Likewise.
491
492 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
493
494         PR target/51417
495         * Makefile.in: Let install-gcc-ar depend on installdirs,
496         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
497         Don't double canonicalize if cross-compiling.
498
499 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
500
501         * trans-mem.c: New typedef for tm_region_p.
502         Define vector types for tm_region_p.
503         (tm_region_init): Replace region_worklist to a vector called
504         bb_regions.
505
506 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
507
508         PR middle-end/52463
509         * trans-mem.c (tm_region_init): Use last_basic_block.
510
511 2012-03-05  Richard Henderson  <rth@redhat.com>
512
513         PR tree-opt/52242
514         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
515         * omp-low.c (expand_omp_atomic): Assume anything aligned to
516         BIGGEST_ALIGNMENT is aligned.
517
518 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
519
520         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
521
522 2012-03-05  Richard Henderson  <rth@redhat.com>
523
524         PR target/52481
525         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
526         instead of calling negqi2 directly.
527
528 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
529
530         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
531         (INTMAX_TYPE): Use it.
532         (UINTMAX_TYPE): Likewise.
533         (SUBTARGET_OVERRIDE_OPTIONS): Define.
534         (irix6_c_common_override_options): Declare.
535         (C_COMMON_OVERRIDE_OPTIONS): Define.
536         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
537         * config/mips/irix6-c.c: New file.
538         * config/mips/t-irix6 (irix6-c.o): New target.
539         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
540         cxx_target_objs.
541
542 2012-03-02  Richard Henderson  <rth@redhat.com>
543
544         * optabs.c (expand_atomic_test_and_set): Honor
545         atomic_test_and_set_trueval even when atomic_test_and_set
546         optab is not in use.
547
548 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
549
550         Backport from mainline
551         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
552
553         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
554
555 2012-03-02  Richard Guenther  <rguenther@suse.de>
556
557         * DEV-PHASE: Set to prerelease.
558
559 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
560
561         * config.gcc (obsolete): Add all ARM targets using the FPA.
562         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
563         * doc/install.texi: Avoid references to obsolete ARM ports.
564
565 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
566
567         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
568
569 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
570             Joern Rennecke  <joern.rennecke@embecosm.com>
571
572         * doc/extend.texi: Expand and update information on interrupt
573         attribute for Epiphany.
574
575 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
576
577         * config/sh/sh-protos.h: Update copyright notice dates.
578         * config/sh/sh.h: Likewise.
579         * config/sh/sh.md: Likewise.
580         * config/sh/constraints.md: Likewise.
581         * config/sh/predicates.md: Likewise.
582
583 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
584
585         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
586         * config/sh/sh.c (tertiary_reload_operand): Likewise.
587
588 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
589
590         * config/sh/constraints.md: Fix comment typo.
591
592 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
593
594         PR target/52408
595         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
596         unsigned HOST_WIDE_INT.
597         (zvdep_imm64): Likewise.
598         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
599         (vdepi_and): Likewise.
600         Likewise for unamed 64-bit patterns.
601         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
602
603 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
604
605         PR debug/52001
606         PR rtl-optimization/52417
607         * cselib.c (cselib_any_perm_equivs): New variable.
608         (cselib_reset_table): Check that it's not set when not
609         preserving constants.
610         (cselib_add_permanent_equiv): Set it.
611         (cselib_have_permanent_equivalences): New.
612         (cselib_init, cselib_finish): Reset it.
613         * cselib.h (cselib_have_permanent_equivalences): Declare.
614         * alias.c (get_addr): Restore earlier behavior when there
615         aren't permanent equivalences.
616
617 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
618
619         * config/mn10300/mn10300-modes.def: Fix copyright notice.
620         * config/v850/v850-modes.def: Fix copyright notice.
621
622 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
623
624         * doc/extend.texi (AVR Built-in Functions): Document
625         __builtin_avr_flash_segment.
626
627         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
628         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
629         (*split.flash_segment): New insn-and-split.
630         * config/avr/avr.c (avr_init_builtins): Add local variables:
631         const_memx_void_node, const_memx_ptr_type_node,
632         char_ftype_const_memx_ptr.
633
634 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
635
636         PR tree-optimization/52445
637         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
638         add ssa_name_ver, offset and size fields and change store field
639         to bool.
640         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
641         (add_or_mark_expr): Likewise.  Only consider previous stores
642         with the same size and offset.
643         (nt_init_block): Only look at gimple_assign_single_p stmts,
644         doesn't look at rhs2.
645
646 2012-03-01  Richard Guenther  <rguenther@suse.de>
647
648         PR middle-end/52443
649         * tree-cfg.c (verify_gimple_assign_unary): Allow any
650         conversions from integral types to pointer types.
651
652 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
653
654         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
655         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
656         unintentionally removed in r184616.
657
658 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
659
660         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
661         3DNow from bdver1.
662
663 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
664             Uros Bizjak  <ubizjak@gmail.com>
665
666         PR target/52437
667         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
668         alternatives, add "e" constraint to the new last alternative
669         and ! to last 3 alternatives.
670
671 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
672
673         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
674         DW_AT_artificial attributes at the end of the processing.
675         (gen_array_type_die): Likewise.
676         (gen_enumeration_type_die): Likewise.
677         (gen_struct_or_union_type_die): Likewise.
678         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
679         the parent type.
680
681 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
682
683         PR middle-end/52419
684         * expr.c (expand_assignment): If doing misaligned store that doesn't
685         cover all mode bits, perform a RMW cycle.
686
687         PR tree-optimization/52429
688         * tree-parloops.c (separate_decls_in_region_debug): Return early
689         if var is LABEL_DECL.
690
691 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
692
693         PR tree-optimization/52424
694         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
695         calling dom_thread_across_edge.
696
697 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
698
699         * config/avr/avr.c: Move definition of TARGET macros to end of file.
700
701 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
702
703         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
704         * config/avr/avr.c (avr_output_bld): Remove unused function.
705         (avr_out_sbxx_branch): Use "%T" to print bit position.
706
707 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
708
709         * config/avr/avr.md: Untabify.
710
711 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
712
713         * config/avr/avr.md (eqne): New code iterator.
714         (*dec-and-branchsi): Use it in text peephole's condition.
715         (*dec-and-branchhi): Ditto.
716         (*dec-and-branchqi): Ditto.
717
718 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
719
720         PR target/49939
721         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
722         the device does not have the skip-bug.
723
724 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
725
726         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
727         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
728         -mpretend-cmove): New.
729
730 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
731
732         PR bootstrap/52397
733         * df.h (struct df_d): Adjust comment that hard_regs_live_count
734         doesn't count DEBUG_INSN refs.
735         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
736         for DEBUG_INSN refs.
737
738 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
739
740         Partially revert:
741
742         2012-02-20  Richard Guenther  <rguenther@suse.de>
743         PR tree-optimization/52298
744         * tree-vect-stmts.c (vectorizable_load): Properly use
745         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
746         outer loops.
747
748 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
749
750         PR middle-end/51752
751         * gimple.h (gimple_in_transaction): New.
752         (gimple_set_in_transaction): New.
753         (struct gimple_statement_base): Add in_transaction field.
754         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
755         transaction loads.
756         (tree_ssa_lim_initialize): Compute transaction bits.
757         * tree.h (compute_transaction_bits): Protoize.
758         * trans-mem.c (tm_region_init): Use the heap to store BB
759         auxilliary data.
760         (compute_transaction_bits): New.
761
762 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
763
764         * gcc.c (display_help): Document --help=common and sort entries
765         alphabetically.
766
767 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
768
769         * doc/install.texi: Document check-$LANG specific shortcuts
770
771 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
772
773         PR target/51534
774         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
775         and vcgtu.
776         * config/arm/arm_neon.h: Regenerate.
777         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
778         (neon_vcgeu): New insn.
779         (neon_vcgtu): Likewise.
780         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
781         (ops): Unsigned comparison intrinsics call a different
782         builtin.
783
784 2012-02-28  Richard Guenther  <rguenther@suse.de>
785
786         PR target/52407
787         * config/i386/i386.c (ix86_expand_vector_set): Fix element
788         ordering for the VEC_CONCAT for two element vectors for
789         V2SFmode, V2SImode and V2DImode.
790
791 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
792
793         PR target/49448
794         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
795         detecting big-endian triplets.
796
797 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
798
799         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
800         mode if there is no type information available.
801
802 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
803
804         PR tree-optimization/53207
805         * doc/invoke.texi: Document as experimental and relying on graphite.
806
807 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
808
809         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
810         of initializer to changes from r184614.
811
812 2012-02-28  Richard Guenther  <rguenther@suse.de>
813
814         PR tree-optimization/52395
815         * tree-sra.c (build_ref_for_offset): Also look at the base
816         TYPE_ALIGN when figuring out the alignment of the replacement.
817
818 2012-02-28  Richard Guenther  <rguenther@suse.de>
819
820         PR tree-optimization/52402
821         * ipa-prop.c (ipa_modify_call_arguments): Properly use
822         mis-aligned types when creating the accesses at the call site.
823
824 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
825
826         * config/avr/builtins.def: New file.
827         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
828         * config/avr/avr.c (enum avr_builtin_id): Use it.
829         (avr_init_builtins): Use it. And use avr_bdesc.
830         (bdesc_1arg): Remove.
831         (bdesc_2arg): Remove.
832         (bdesc_3arg): Remove.
833         (struct avr_builtin_description): Add field n_args.
834         (avr_bdesc): New static variable using builtins.def.
835         (avr_expand_builtin): Use it.
836         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
837         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
838         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
839
840 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
841
842         PR target/52148
843         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
844         match only one single hard register with respective hard reg rtx.
845         (movmemx_<mode>): Ditto.
846         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
847         insn anatomy of movmem[x]_<mode>.
848         (avr_out_movmem): Same for printing assembler and operand usage.
849
850 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
851
852         PR target/49868
853         PR target/52261
854         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
855         address spaces located outside of device flash.
856
857         * config/avr/avr.h (base_arch_s): Remove field n_segments.
858         (mcu_type_s): Add field n_flash.
859         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
860         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
861         (AVR_MCU): Add N_FLASH argument.
862         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
863         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
864         macro __FLASH<n> if that address space makes sense for the device.
865         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
866         outside of target flash.
867         (avr_asm_named_section): Ditto.
868         (avr_asm_select_section): Ditto.
869         (avr_addr_space_convert): Ditto.
870         (avr_emit_movmemhi): Ditto.
871         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
872         address space is outside of device flash.
873         (avr_insert_attributes): Ditto.
874         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
875         avr_current_arch->n_segments.
876
877 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
878
879         PR target/52352
880         * config/i386/i386.md (*movabs<mode>_1): Enable only for
881         TARGET_LP64.
882         (*movabs<mode>_2): Likewise.
883
884 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
885
886         PR target/52375
887         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
888         s_register_operand in the test instead of REG_P.  Don't call
889         gen_reg_rtx if it won't be used.
890
891         PR tree-optimization/52376
892         * ipa-split.c (split_function): Ignore CLOBBER stmts.
893
894 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
895
896         * ifcvt.c (noce_get_condition): Check condition variable is not
897         small_register_classes_for_mode_p before accepting.
898
899 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
900
901         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
902
903 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
904
905         Revert:
906         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
907         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
908         tuning parameters.
909         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
910
911 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
912
913         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
914
915 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
916
917         * config/sh/predicates.md: Remove blank lines.
918         * config/sh/sh.c: Fix typos in comments.
919         * config/sh/constraints.md: Likewise.
920         * config/sh/sh.md: Remove blank lines.
921         Fix typos in comments.  Use ;; as comment characters.
922
923 2012-02-26  Walter Lee  <walt@tilera.com>
924
925         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
926         (replace_mov_pcrel_step2): Ditto.
927
928 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
929
930         PR debug/52001
931         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
932         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
933         and locs that reference values newer than the non-canonical value
934         at hand.  Return the canonical value as a worst case.
935         (memrefs_conflict_p): Walk canonical value's locs.
936
937         PR debug/52001
938         * cselib.c (preserve_only_constants): Rename to...
939         (preserve_constants_and_equivs): ... this.  Split out...
940         (invariant_or_equiv_p): ... this.  Preserve plus expressions
941         of other preserved expressions too.
942         (cselib_reset_table): Adjust.
943         * var-tracking.c (reverse_op): Use canonical value to build
944         reverse operation.
945
946 2012-02-23  Kai Tietz  <ktietz@redhat.com>
947
948         * config/i386/i386.c (ix86_delegitimize_address): Handle
949         UNSPEC_PCREL plus displacement.
950
951 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
952
953         PR target/52261
954         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
955         to test for unusedness in st X addressing.
956
957 2012-02-24  Richard Guenther  <rguenther@suse.de>
958
959         PR middle-end/52361
960         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
961         (is_gimple_reg_type): Move inline ...
962         * gimple.h (is_gimple_reg_type): ... here.
963
964 2012-02-24  Richard Guenther  <rguenther@suse.de>
965
966         PR middle-end/52361
967         * passes.c (execute_function_todo): When verifying SSA form
968         verify gimple form first.
969         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
970
971 2012-02-24  Richard Guenther  <rguenther@suse.de>
972
973         PR middle-end/52355
974         * fold-const.c (fold_addr_of_array_ref_difference): New function.
975         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
976
977 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
978
979         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
980
981 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
982
983         * tree-phinodes.c (make_phi_node): Mark static.
984         * tree-flow.h (make_phi_node): Remove extern decl.
985         * doc/gimple.texi (make_phi_node): Remove documentation.
986
987 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
988
989         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
990         * tree-ssa-sccvn.c (print_scc): Ditto.
991
992 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
993
994         * doc/passes.texi (Full redundancy elimination): Fix typo.
995
996 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
997
998         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
999
1000 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1001
1002         PR bootstrap/52287
1003         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1004
1005 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1006
1007         PR c/52290
1008         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1009
1010 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1011
1012         * config/avr/avr.md (code_stdname): Add ior, xor.
1013         (xior): New code iterator.
1014         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1015         (*<code_stdname><mode>qi.byte1-3): Ditto.
1016
1017 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1018
1019         PR tree-optimization/52019
1020         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1021         CLOBBER stmts.
1022
1023 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1024
1025         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1026         HAVE_INITFINI_ARRAY to work around namespace pollution in
1027         certain versions of newlib system headers.
1028         * config.in: Regenerate.
1029         * configure: Regenerate.
1030         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1031         instead of HAVE_INITFINI_ARRAY.
1032
1033 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1034
1035         PR target/52330
1036         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1037         is not offsettable memory reference.
1038
1039 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1040
1041         PR target/18145
1042         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1043         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1044
1045 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1046
1047         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1048         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1049
1050 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1051
1052         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1053         library on Solaris 8 even without TLS support.
1054         * configure: Regenerate.
1055
1056 2012-02-22  Richard Guenther  <rguenther@suse.de>
1057
1058         PR middle-end/52329
1059         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1060         for GIMPLE_DEBUG stmts.
1061
1062 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1063
1064         PR middle-end/51782
1065         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1066         according to the base object.
1067
1068 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1069
1070         PR rtl-optimization/50063
1071         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1072         and 2 (8-bit SP) in operand 2.
1073         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1074         setup to use movhi_sp_r instead of vanilla move to write SP.
1075         Adjust REG_CFA notes to superseed unspec.
1076         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1077         of vanilla move.
1078         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1079         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1080         irq_state 1 (IRQ known to be on) here.
1081
1082 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1083
1084         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1085         WORDS_BIG_ENDIAN.
1086         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1087         assign_hard_reg): Likewise.
1088
1089 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1090
1091         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1092
1093 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1094
1095         * config/avr/avr.md
1096         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1097         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1098
1099 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1100
1101         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1102         prototype from here to...
1103         * config/avr/avr.h: ...here.
1104
1105 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1106
1107         PR target/52294
1108         * thumb2.md (thumb2_shiftsi3_short): Split register and
1109         immediate shifts.  For register shifts tie operands 0 and 1.
1110         (peephole2 for above): Check that register-controlled shifts
1111         have suitably tied operands.
1112
1113 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1114
1115         PR target/52137
1116         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1117         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1118         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1119         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1120         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1121         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1122         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1123         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1124         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1125         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1126         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1127         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1128         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1129         bdver1_ssevector_avx256_unaligned_load,
1130         bdver1_ssevector_sse128_unaligned_load,
1131         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1132         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1133         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1134         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1135         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1136         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1137         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1138         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1139         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1140         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1141         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1142         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1143         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1144         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1145         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1146         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1147         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1148         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1149         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1150         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1151         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1152         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1153         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1154         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1155         bdver1_ssediv_double_load, bdver1_ssediv_double,
1156         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1157         Add "bdver2" attribute.
1158
1159 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1160
1161         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1162         default if possible and not specified otherwise.
1163
1164 2012-02-21  Richard Guenther  <rguenther@suse.de>
1165
1166         PR middle-end/52314
1167         * gimplify.c (create_tmp_from_val): Use the main variant type
1168         for the type of the temporary we create.
1169
1170 2012-02-21  Richard Guenther  <rguenther@suse.de>
1171
1172         PR tree-optimization/52324
1173         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1174         do not gimplify a MEM_REF address operand if it is already
1175         in suitable form.
1176
1177 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1178
1179         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1180         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1181
1182 2012-02-21  Richard Guenther  <rguenther@suse.de>
1183
1184         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1185         nested_in_vect_loop.
1186
1187 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1188
1189         PR tree-optimization/52318
1190         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1191         vdef also to non-pure/const call stmts in the sequence.
1192
1193 2012-02-20  David S. Miller  <davem@davemloft.net>
1194
1195         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1196         don't use the "rd %pc" instruction on v9 for PIC register loads.
1197
1198 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1199
1200         PR middle-end/52141
1201         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1202         in a transaction safe function.
1203
1204 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1205
1206         PR target/52238
1207         * stor-layout.c (place_field): Handle desired_align for
1208         ms-bitfields, too.
1209
1210 2012-02-20  Richard Guenther  <rguenther@suse.de>
1211
1212         PR tree-optimization/52298
1213         * tree-vect-stmts.c (vectorizable_store): Properly use
1214         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1215         outer loops.
1216         (vectorizable_load): Likewise.
1217         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1218         Access DR_STEP after ensuring it is not NULL.
1219
1220 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1221
1222         PR tree-optimization/52286
1223         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1224         optimization use double_int_to_tree instead of build_int_cst_wide,
1225         rewrite to use double_int vars.
1226
1227 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1228
1229         PR target/50166
1230         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1231         Define _start.
1232         Remove -e 0 from $gcc_cv_ld invocation.
1233         Only use __GLIBC_PREREQ if defined.
1234         Enable on Solaris since Solaris 8 patch.
1235         (gcc_SUN_LD_VERSION): New macro.
1236         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1237         gcc_SUN_LD_VERSION for version number format.
1238         * configure: Regenerate.
1239         * varasm.c (get_elf_initfini_array_priority_section): Set
1240         SECTION_NOTYPE for non-default priority.
1241         Use get_section instead of get_unnamed_section to emit
1242         .init_array/.fini_array with default priority.
1243
1244 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1245
1246         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1247         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1248         (mips_start_unique_function, mips_output_mips16_rdhwr)
1249         (mips_code_end): New functions.
1250         (TARGET_ASM_CODE_END): Define.
1251
1252 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1253
1254         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1255         to stubs with non-sibling calls.
1256
1257 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1258
1259         * doc/invoke.texi (-fira-* options): Copy-edit.
1260         (ira-* parameters): Copy-edit.
1261
1262 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1263
1264         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1265         GCC coding conventions.
1266
1267 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1268
1269         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1270         when used as adjectives.
1271
1272 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1273
1274         * doc/invoke.texi: Clean up "that"/"which" confusion.
1275
1276 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1277
1278         * system.h: Poison SMALL_REGISTER_CLASSES
1279         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1280         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1281
1282 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1283
1284         PR tree-optimization/52285
1285         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1286         when deciding if a call is a tail call or tail recursion.
1287
1288 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1289
1290         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1291         interger-constant displacement for UNSPEC_PCREL.
1292
1293 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1294
1295         PR rtl-optimization/52208
1296         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1297         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1298
1299         PR tree-optimization/52255
1300         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1301         loop->header has virtual PHI, but exit_e->dest doesn't, add
1302         virtual PHI to exit_e->dest and adjust all uses after the loop.
1303
1304         PR debug/52260
1305         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1306         children with clone_tree_hash, not after it.
1307
1308 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1309
1310         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1311         extended identifiers.
1312
1313 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1314
1315         PR middle-end/51929
1316         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1317         a same_body_alias, also test whether e->callee isn't a former
1318         or current clone of the decl this is a same body alias of.
1319
1320         PR translation/52264
1321         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1322
1323 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1324
1325         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1326
1327 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1328
1329         PR target/52199
1330         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1331         force_reg instead of copy_to_reg for better optimization.  Force
1332         non-register or memory operands into a register.
1333
1334 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1335
1336         * extend.texi: Reserve upper bits of memory model for future use.
1337
1338 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1339             Anatoly Sokolov <aesok@post.ru>
1340             Eric Weddington <eric.weddington@atmel.com>
1341
1342         PR target/52261
1343         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1344         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1345         Rewrite initializers for .macro.
1346         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1347         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1348         atxmega32d4, atxmega32x1.
1349         avrxmega4: atxmega64a3, atxmega64d3.
1350         avrxmega5: atxmega64a1, atxmega64a1u.
1351         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1352         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1353         avrxmega7: atxmega128a1, atxmega128a1u.
1354         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1355         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1356         (struct base_arch_s): Rename reserved to xmega_p.
1357         Rename reserved2 to have_rampd.
1358         (AVR_XMEGA): New define.
1359         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1360         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1361         * config/avr/predicates.md (io_address_operand): Take into
1362         account SFR offset.
1363         (low_io_address_operand): Ditto.
1364         (high_io_address_operand): Ditto.
1365         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1366         (enabled, movhi_sp_r): Use them.
1367         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1368         cpp_define_formatted to built-in define __AVR_ARCH__.
1369         (__AVR_XMEGA__): New built-in define.
1370         (__AVR_HAVE_RAMPD__): New built-in define.
1371         (__AVR_HAVE_RAMPX__): New built-in define.
1372         (__AVR_HAVE_RAMPY__): New built-in define.
1373         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1374
1375         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1376         (avr_option_override): Initialize them.
1377         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1378         (avr_init_expanders): Initialize them. No more block several calls.
1379         (emit_push_sfr): New static function.
1380         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1381         Handle AVR_XMEGA.
1382         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1383         (avr_print_operand): Print addreeses as symbols for
1384         RAMPX, RAMPY, RAMPD, CCP.
1385         (output_movhi): Handle AVR_XMEGA when writing to SP.
1386         (avr_out_movhi_mr_r_xmega): New static function.
1387         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1388         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1389         __RAMPD__,  __CCP__ as needed.
1390
1391         * config/avr/multilib.h: Regenerate.
1392         * config/avr/t-multilib: Regenerate.
1393         * config/avr/avr-tables.opt: Regenerate.
1394
1395 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1396
1397         PR tree-optimization/50561
1398         * graphite-flattening.c (lst_project_loop): Do not
1399         remove old scattering dimensions after flattening.
1400         (lst_do_flatten): Likewise.
1401
1402 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1403
1404         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1405         __builtin_avr_map8, __builtin_avr_map16.
1406         Document __builtin_avr_insert_bits.
1407
1408         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1409         (insert_bits): New insn.
1410         (adjust_len.map_bits): Rename to insert_bits.
1411         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1412         * avr-protos.h (avr_out_map_bits): Remove.
1413         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1414         * config/avr/constraints.md (Cxf,C0f): New.
1415         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1416         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1417         New built-in define __BUILTIN_AVR_INSERT_BITS.
1418         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1419         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1420         (avr_move_bits): Rewrite.
1421         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1422         functions.
1423         (avr_map_op_t): New typedef.
1424         (avr_map_op): New static variable.
1425         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1426         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1427         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1428         (bdesc_3arg, avr_expand_triop_builtin): New.
1429         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1430         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1431         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1432         (avr_map_equal_p, avr_map_sig_p): Remove.
1433         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1434         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1435         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1436         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1437         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1438         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1439
1440 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1441
1442         * config/c6x/c6x.md (reserve_cycles): New attribute.
1443         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1444         don't reserve functional units after the branch occurs.
1445
1446 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1447
1448         PR middle-end/52142
1449         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1450         functions into non-tm_pure functions.
1451
1452 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1453
1454         PR lto/52178
1455         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1456         (iterative_hash_canonical_type): Likewise.
1457         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1458         the dead edges.
1459
1460 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1461
1462         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1463         sched-group insn, it either remains alone or the entire list is pruned.
1464
1465 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1466
1467         * doc/install.texi (Prerequisites): Fix grammar.
1468         (Configuration): Likewise.
1469
1470 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1471
1472         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1473         MPC as part of GCC before describing configuring with --with-gmp etc.
1474         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1475         sources are present.
1476
1477 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR debug/51950
1480         * dwarf2out.c (clone_tree_hash): New function.
1481         (copy_decls_walk): Use it instead of clone_tree.
1482
1483 2012-02-14  Richard Guenther  <rguenther@suse.de>
1484
1485         PR tree-optimization/52244
1486         PR tree-optimization/51528
1487         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1488         replacements for integral types.
1489
1490 2012-02-14  Walter Lee  <walt@tilera.com>
1491
1492         * config.gcc: Handle tilegx and tilepro.
1493         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1494         tilegx and tilepro.
1495         Add HAVE_AS_TLS check for tilegx and tilepro.
1496         * configure: Regenerate.
1497         * doc/contrib.texi: Add Mat Hostetter and self.
1498         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1499         Document instruction intrinsics and network accessing intrinsics.
1500         (TILEPro Built-in Functions): New node.  Document instruction
1501         intrinsics and network accessing intrinsics.
1502         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1503         (Specific, tilepro-*-linux*): Likewise.
1504         * doc/invoke.texi (TILE-Gx Options): New section.
1505         (TILEPro Options): New section.
1506         * doc/md.texi (TILE-Gx): New section.
1507         (TILEPro): New section.
1508         * common/config/tilegx/tilegx-common.c: New file.
1509         * common/config/tilepro/tilepro-common.c: New file.
1510         * config/tilegx/constraints.md: New file.
1511         * config/tilegx/linux.h: New file.
1512         * config/tilegx/mul-tables.c: New file.
1513         * config/tilegx/predicates.md: New file.
1514         * config/tilegx/sync.md: New file.
1515         * config/tilegx/t-tilegx: New file.
1516         * config/tilegx/tilegx-builtins.h: New file.
1517         * config/tilegx/tilegx-c.c: New file.
1518         * config/tilegx/tilegx-generic.md: New file.
1519         * config/tilegx/tilegx-modes.def: New file.
1520         * config/tilegx/tilegx-multiply.h: New file.
1521         * config/tilegx/tilegx-protos.h: New file.
1522         * config/tilegx/tilegx.c: New file.
1523         * config/tilegx/tilegx.h: New file.
1524         * config/tilegx/tilegx.md: New file.
1525         * config/tilegx/tilegx.opt: New file.
1526         * config/tilepro/constraints.md: New file.
1527         * config/tilepro/gen-mul-tables.cc: New file.
1528         * config/tilepro/linux.h: New file.
1529         * config/tilepro/mul-tables.c: New file.
1530         * config/tilepro/predicates.md: New file.
1531         * config/tilepro/t-tilepro: New file.
1532         * config/tilepro/tilepro-builtins.h: New file.
1533         * config/tilepro/tilepro-c.c: New file.
1534         * config/tilepro/tilepro-generic.md: New file.
1535         * config/tilepro/tilepro-modes.def: New file.
1536         * config/tilepro/tilepro-multiply.h: New file.
1537         * config/tilepro/tilepro-protos.h: New file.
1538         * config/tilepro/tilepro.c: New file.
1539         * config/tilepro/tilepro.h: New file.
1540         * config/tilepro/tilepro.md: New file.
1541         * config/tilepro/tilepro.opt: New file.
1542
1543 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR tree-optimization/52210
1546         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1547         vect_model_simple_cost with two entry vect_def_type array instead
1548         of an address of dt.
1549
1550 2012-02-14  Richard Guenther  <rguenther@suse.de>
1551
1552         PR lto/52178
1553         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1554         Do not stream DECL_QUALIFIER.
1555         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1556         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1557         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1558
1559 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1560
1561         PR c/52181
1562         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1563         newdecl.
1564
1565 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1566
1567         PR bootstrap/52172
1568         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1569         * cselib.c (cselib_subst_to_values_from_insn): New function.
1570         * sched-deps.c (add_insn_mem_dependence,
1571         sched_analyze_1, sched_analyze_2): Use it.
1572
1573 2012-02-13  Jan Hubicka  <jh@suse.cz>
1574
1575         PR middle-end/52214
1576         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1577
1578 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1579
1580         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1581         (GTM_SELF_SPECS): Define if not already defined.
1582         (driver_self_specs): Add GTM_SELF_SPECS.
1583         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1584         (GTM_SELF_SPECS): Define.
1585         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1586         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1587
1588 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1589
1590         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1591         away if seen.
1592
1593         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1594
1595         PR middle-end/52230
1596         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1597         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1598
1599 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1600
1601         PR c/52190
1602         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1603
1604 2012-02-13  Richard Guenther  <rguenther@suse.de>
1605
1606         PR translation/52211
1607         * passes.c (enable_disable_pass): Fix typo.
1608
1609 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1610
1611         PR middle-end/52209
1612         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1613         XOR for reduce_bit_field if type is unsigned.
1614
1615 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1616
1617         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1618         disallow changes from SFmode to mode with different size in FP regs.
1619
1620 2012-02-12  Robert Millan  <rmh@gnu.org>
1621             Gerald Pfeifer <gerald@pfeifer.com>
1622
1623         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1624         Tweak comment.
1625
1626 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1627
1628         PR rtl-optimization/52175
1629         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1630         to frame-related instructions.
1631
1632 2012-02-10  Jason Merrill  <jason@redhat.com>
1633
1634         PR c++/51910
1635         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1636         (demangle_new_symbols): Fill it.
1637         (scan_linker_output): Walk it.
1638         (start_tweaking): Split out from scan_linker_output.
1639         (maybe_tweak): Update sym->chosen.
1640         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1641
1642 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1643
1644         PR debug/52132
1645         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1646
1647 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1648
1649         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1650         having the same mode as previous compare.
1651
1652 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1653
1654         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1655         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1656         (nonlocal_goto_internal): Likewise.
1657         (nonlocal_goto): Emit a use and an indirect jump directly.
1658
1659 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1660
1661         PR c/52190
1662         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1663         __atomic_{is,always}_lock_free.
1664
1665 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         PR target/52146
1668         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1669         negative constant address for x32.
1670
1671 2012-02-10  Richard Henderson  <rth@redhat.com>
1672
1673         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1674         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1675         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1676
1677 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1678             Ira Rosen  <irar@il.ibm.com>
1679
1680         PR tree-optimization/50031
1681         * targhooks.c (default_builtin_vectorization_cost): Handle
1682         vec_promote_demote.
1683         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1684         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1685         all types of reduction and pattern statements.
1686         (vect_estimate_min_profitable_iters): Likewise.
1687         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1688         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1689         for explicit realigns.
1690         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1691         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1692         vec_promote_demote.
1693         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1694         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1695         vec_perm for VSX and handle vec_promote_demote.
1696
1697 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1698
1699         PR middle-end/52177
1700         * builtins.c (fold_builtin_atomic_always_lock_free,
1701         expand_builtin_atomic_always_lock_free,
1702         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1703         Return and/or test boolean_true_node/boolean_false_node instead of
1704         integer_one_node/integer_zero_node.
1705
1706 2012-02-10  Jan Hubicka  <jh@suse.cz>
1707
1708         PR middle-end/48600
1709         * predict.c (predict_paths_for_bb): Prevent looping.
1710         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1711
1712 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1713
1714         * config/arm/arm.c (output_move_double): In one case properly
1715         count number of instructions that will be emitted.
1716
1717 2012-02-10  Richard Guenther  <rguenther@suse.de>
1718
1719         PR translation/52193
1720         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1721
1722 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1723
1724         PR middle-end/52140
1725         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1726
1727 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1728
1729         PR debug/52165
1730         * var-tracking.c (emit_note_insn_var_location): If
1731         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1732         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1733         non-NOTE_DURING_CALL_P insn.
1734
1735 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1736
1737         PR middle-end/51867
1738         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1739
1740 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1741
1742         PR driver/48524
1743         * gcc.c (switch_matches) Support switches with separated form,
1744         -D and -U.
1745
1746 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1747
1748         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1749         (SP_ADDR): Ditto.
1750         (RAMPZ_ADDR): Ditto.
1751         * config/avr/avr.c (avr_addr_t): New typedef.
1752         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1753         (avr_init_expanders): Initialize it.
1754         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1755         SREG_ADDR.
1756         (expand_epilogue): Ditto.
1757         (avr_print_operand): Ditto.
1758         (avr_file_start): Ditto.
1759         (avr_emit_movmemhi): Ditto.
1760
1761 2012-02-08  Richard Guenther  <rguenther@suse.de>
1762
1763         PR tree-optimization/46886
1764         * tree-flow.h (do_while_loop_p): Declare.
1765         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1766         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1767
1768 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1769
1770         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1771         always succeed for integers larger than a native word.
1772
1773 2012-02-08  Richard Guenther  <rguenther@suse.de>
1774
1775         PR rtl-optimization/52170
1776         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1777         properly handle integer vector modes.
1778
1779 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1780
1781         PR gcov-profile/52150
1782         * coverage.c: Include target.h.
1783         (build_var): Call targetm.strip_name_encoding on the assembler name.
1784         Change one _ into . or $ if the target allows it.
1785         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1786
1787         PR rtl-optimization/52139
1788         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1789         is a BARRIER after emit_insn_after_noloc, move BB_END
1790         to the last non-BARRIER insn before it.
1791
1792 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1793
1794         PR middle-end/24306
1795         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1796         (mips_gimplify_va_arg_expr): Call it instead of
1797         std_gimplify_va_arg_expr.
1798
1799 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1800
1801         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1802         message for -mno-pointers-to-nested-function.
1803
1804 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1805
1806         PR middle-end/51994
1807         * expr.c (get_inner_reference): If there is an offset, add a negative
1808         bit position to it (if any).
1809
1810 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1811
1812         PR rtl-optimization/52060
1813         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1814         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1815         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1816         and/or i0src_copy2 when needed.
1817
1818 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1819
1820         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1821         or LTOPLUGINSONAME if have_c.
1822
1823         * config/freebsd-spec.h: Add comment about what macros can be defined
1824         in this header.
1825         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1826         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1827         here instead.
1828
1829 2012-02-07  Richard Guenther  <rguenther@suse.de>
1830
1831         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1832         newline in -alias dumps.
1833
1834 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1835             Dave Korn  <dave.korn.cygwin@gmail.com>
1836
1837         PR target/40068
1838         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1839         Take care that typinfo gets dllexport-attribute.
1840
1841 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1842
1843         PR middle-end/52074
1844         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1845         if modifier < EXPAND_SUM call force_operand on the result.
1846
1847 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1848
1849         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1850         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1851         present.
1852         (epiphany_function_type): Replace types for specific interrupts with
1853         EPIPHANY_FUNCTION_INTERRUPT.
1854         (EPIPHANY_INTERRUPT_P): Update.
1855         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1856         New static function.
1857         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1858         <disinterrupt>: Affects type identity.
1859         (epiphany_handle_interrupt_attribute): Handle variable number of
1860         arguments.
1861         (epiphany_compute_function_type): Update for new
1862         epiphany_function_type definition.
1863         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1864         handlers with a longcall forwarder.
1865         (epiphany_start_function): Handle multiple interrupt arguments and/or
1866         forwarder_section attribute.
1867
1868         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1869         libgloss.
1870
1871 2012-02-07  Alan Modra  <amodra@gmail.com>
1872
1873         PR target/52107
1874         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1875         subregs of TFmode.
1876
1877 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1878
1879         PR tree-optimization/50969
1880         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1881         use vec_perm rather than vector_stmt.
1882         (vect_model_load_cost): Likewise.
1883         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1884         vec_perm to be the same as other vector statements.
1885         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1886         cost of vec_perm for TARGET_VSX.
1887
1888 2012-02-06  Richard Guenther  <rguenther@suse.de>
1889
1890         PR tree-optimization/52115
1891         * tree-sra.c (access_has_replacements_p): New function.
1892         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1893
1894 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1895
1896         PR middle-end/52047
1897         * trans-mem.c (expand_call_tm): Add an assertion.
1898         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1899         functions.
1900
1901 2012-02-06  Richard Guenther  <rguenther@suse.de>
1902
1903         PR tree-optimization/50955
1904         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1905         raise cost of expressions that replace an address with an
1906         expression based on a different pointer.
1907
1908 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1909
1910         PR target/52129
1911         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1912         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1913
1914 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1915
1916         PR c++/48680
1917         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1918         -Weffc++ and specify guidelines come from second edition.
1919
1920 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1921
1922         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1923         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1924         (call_direct_split, call_value_split, call_value_internal_direct)
1925         (call_value_direct_split, call_value_multiple_split): Use jal and
1926         jal_macro attributes.
1927
1928 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1929
1930         * reload1.c (reload_regs_reach_end_p): Replace with...
1931         (reload_reg_rtx_reaches_end_p): ...this function.
1932         (new_spill_reg_store): Update commentary.
1933         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1934         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1935         before setting new_spill_reg_store.
1936         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1937         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1938         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1939         for non-spill reload registers.
1940
1941 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1942
1943         PR tree-optimization/52091
1944         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1945         (vect_is_simple_use_1): Likewise.
1946         * tree-vect-loop.c (vectorizable_reduction): Update calls
1947         to vect_is_simple_use_1 and vect_is_simple_use.
1948         (vectorizable_live_operation): Likewise.
1949         * tree-vect-patterns.c (widened_name_p,
1950         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1951         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1952         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1953         vectorizable_shift,vectorizable_operation, vectorizable_store,
1954         vectorizable_load): Likewise.
1955         (vect_is_simple_cond): Add an argument, pass it to
1956         vect_is_simple_use_1.
1957         (vectorizable_condition): Update calls to vect_is_simple_cond,
1958         vect_is_simple_use.
1959         (vect_is_simple_use): Add an argument, the statement in which
1960         OPERAND is used.  Check that if OPERAND's def stmt is a double
1961         reduction phi node, the use is a phi node too.
1962         (vect_is_simple_use_1): Add an argument, pass it to
1963         vect_is_simple_use.
1964         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1965         to vect_is_simple_use.
1966
1967 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1968
1969         PR rtl-optimization/52095
1970         * modulo-sched.c (dump_insn_locator): New function.
1971         (loop_canon_p, sms_schedule): Use it.
1972
1973         PR rtl-optimization/52113
1974         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1975         even for decomposable shift/zext insns.
1976
1977 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1978             Zdenek Dvorak  <ook@ucw.cz>
1979
1980         PR rtl-optimization/52092
1981         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1982         on get_iv_value result.
1983
1984 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1985
1986         PR middle-end/47982
1987         PR middle-end/43967
1988         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1989
1990 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1991
1992         PR middle-end/48071
1993         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1994
1995 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1996
1997         PR rtl-optimization/49800
1998         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1999         (sched_finish): Call regstat_free_n_sets_and_refs.
2000
2001 2012-02-02  Jia Liu  <proljc@gmail.com>
2002
2003         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2004         than operand 2.
2005
2006 2012-02-02  Jan Hubicka  <jh@suse.cz>
2007             Tom de Vries  <tom@codesourcery.com>
2008
2009         PR middle-end/51998
2010         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2011         * varpool.c (varpool_analyze_pending_decls): Likewise.
2012
2013 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2014             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2015
2016         * config.gcc: Add cr16-* support.
2017
2018         * doc/extend.texi: Document cr16 extensions.
2019         * doc/install.texi: Document cr16 install.
2020         * doc/invoke.texi: Document cr16 options.
2021         * doc/md.texi: Document cr16 constraints.
2022
2023         * common/config/cr16/cr16-common.c: New file.
2024         * config/cr16/cr16.c: New file.
2025         * config/cr16/cr16.h: New file.
2026         * config/cr16/cr16.md: New file.
2027         * config/cr16/cr16.opt: New file.
2028         * config/cr16/cr16-protos.h: New file.
2029         * config/cr16/predicates.md: New file.
2030         * config/cr16/constraints.md: New file.
2031         * config/cr16/t-cr16: New file.
2032
2033 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2034
2035         PR target/52086
2036         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2037         that operands[2] is either immediate, or q_regs_operand.
2038
2039         PR tree-optimization/52073
2040         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2041         a pattern stmt for pattern uses, ignore uses outside of the loop.
2042
2043 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2044
2045         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2046         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2047         (OUT_AS1, OUT_AS2): Remove.
2048
2049 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2050
2051         PR rtl-optimization/51374
2052         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2053         to cross other volatile_refs_p insns.
2054
2055 2012-02-01  Richard Guenther  <rguenther@suse.de>
2056
2057         * doc/invoke.texi (fno-inline): Clarify documentation.
2058         (finline-small-functions): Likewise.
2059         (finline-functions): Likewise.
2060         * common.opt (finline): Adjust comment and documentation.
2061         (finline-small-functions): Clarify documentation.
2062         (finline-functions): Likewise.
2063         (finline-functions-called-once): Likewise.
2064
2065 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2066
2067         * c-typeck.c (composite_type): Keep mode for pointers.
2068
2069 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2070
2071         * function.h (regno_reg_rtx): Adjust comment.
2072         * reginfo.c (init_reg_modes_target): Only use the previous mode
2073         if it fits within one register.  Remove MIPS comment.
2074
2075 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2076
2077         PR bootstrap/52058
2078         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2079
2080 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2081
2082         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2083         to srak instruction.
2084
2085 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2086
2087         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2088
2089 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2090
2091         PR bootstrap/52041
2092         PR bootstrap/52039
2093         PR target/51974
2094         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2095
2096 2012-01-31  Richard Guenther  <rguenther@suse.de>
2097
2098         PR tree-optimization/51528
2099         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2100         assigns.
2101
2102 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2103
2104         PR bootstrap/52041
2105         PR bootstrap/52039
2106         PR target/51974
2107         * ree.c (add_removable_extension): Change def_map argument
2108         to unsigned *, store in def_map 1 + offset into *insn_list vector
2109         instead of pointers into the vector.
2110         (find_removable_extensions): Adjust caller.
2111
2112 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2113
2114         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2115         Transform all "* quoted-c-code" to { c-code }.
2116         Remove redundant test for "optimize" in combine patterns.
2117         Move (include "avr-dimode.md") to end of file.
2118
2119 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2120
2121         PR target/51835
2122         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2123         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2124
2125 2012-01-30  Richard Guenther  <rguenther@suse.de>
2126
2127         PR tree-optimization/52028
2128         * tree-loop-distribution.c (ldist_gen): Properly update
2129         virtual SSA form.
2130
2131 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2132
2133         PR debug/52027
2134         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2135         set_cur_line_info_table if not emitting debug info.
2136
2137         PR tree-optimization/52046
2138         * tree-vect-patterns.c (check_bool_pattern): Give up if
2139         a comparison could throw.
2140
2141         PR debug/52048
2142         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2143
2144 2012-01-30  Richard Guenther  <rguenther@suse.de>
2145
2146         PR tree-optimization/52045
2147         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2148         SSA form if cfgcleanup did anything.
2149
2150 2012-01-30  Richard Guenther  <rguenther@suse.de>
2151
2152         PR tree-optimization/52045
2153         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2154         before computing final todo.
2155
2156 2012-01-30  Richard Guenther  <rguenther@suse.de>
2157
2158         PR tree-optimization/51528
2159         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2160         for PR51528 fix.
2161
2162 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2163
2164         * df-problems.c (df_kill_notes): Check that the use refers
2165         to the note under examination.
2166
2167 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2168
2169         PR target/51920
2170         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2171         parameter and use short-lived pseudos.
2172         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2173         (sparc_expand_vector_init): Const-ify local variables and adjust
2174         calls to above functions.
2175
2176 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2177
2178         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2179
2180 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2181
2182         * doc/invoke.texi: Make usage of "compile time" and
2183         "run time"/"runtime" consistent throughout the file.
2184
2185 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2186
2187         * config/alpha/alpha.c (alpha_option_override): Default to
2188         full IEEE compliance mode for Go language.
2189
2190 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2191
2192         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2193         (LINK_SSP_SPEC): Define.
2194
2195 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2196
2197         PR target/51871
2198         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2199         stubs.
2200
2201 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2202
2203         * doc/invoke.texi: Correct hyphenation of "floating point",
2204         "double precision", and related terminology throughout the file.
2205
2206 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2207
2208         PR target/52006
2209         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2210         arm_general_register_operand predicate for operand 2 instead of
2211         register_operand.
2212
2213 2012-01-27  Ian Lance Taylor  <iant@google.com>
2214
2215         PR go/47656
2216         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2217         * builtins.c (expand_builtin_init_trampoline): Add onstack
2218         parameter.  Change caller.
2219         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2220         * tree.c (build_common_builtin_nodes): Declare
2221         __builtin_init_heap_trampoline.
2222
2223 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2224
2225         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2226         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2227         * config/avr/avr.c: Ditto.
2228         (avr_regnames): Remove because unused.
2229         * config/avr/avr.md (*cpse.ne): New peephole.
2230         (*cpse.eq): New peephole from former cpse peepholes.
2231
2232 2012-01-27  Michael Eager  <eager@eagercon.com>
2233
2234         * config/microblaze.c (microblaze_emit_compare): Correct
2235         test after pcmp instruction.
2236
2237 2012-01-27  Richard Guenther  <rguenther@suse.de>
2238
2239         PR tree-optimization/52020
2240         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2241
2242 2012-01-27  Richard Guenther  <rguenther@suse.de>
2243
2244         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2245         function non-const/pure.
2246
2247 2012-01-27  Richard Guenther  <rguenther@suse.de>
2248
2249         PR tree-optimization/50444
2250         * tree-sra.c (build_ref_for_offset): Properly adjust the
2251         MEM_REF type for unaligned accesses.
2252
2253 2012-01-27  Richard Guenther  <rguenther@suse.de>
2254
2255         PR tree-optimization/50444
2256         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2257         (expand_assignment): Use it.  Properly handle misaligned
2258         bases when expanding stores to component references.
2259         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2260         refactor that case.
2261
2262 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2263
2264         PR middle-end/51389
2265         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2266         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2267         * tree-data-ref.c (find_data_references_in_loop): Make static.
2268         (compute_all_dependences): Change return type to bool.  Bail out
2269         for too many datarefs in a loop.  Move the hunk resetting the data
2270         dependences vector from ...
2271         (compute_data_dependences_for_loop): ... here.  Account for
2272         compute_all_dependences returning false.
2273         (compute_data_dependences_for_bb): Likewise.
2274         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2275         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2276
2277 2012-01-27  Richard Guenther  <rguenther@suse.de>
2278
2279         PR middle-end/51959
2280         * expr.c (store_field): Use the alias-set of the scratch memory
2281         for storing to it.
2282
2283 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2284
2285         PR tree-optimization/51990
2286         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2287         WITH_SIZE_EXPR.
2288         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2289
2290 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2291
2292         PR debug/52001
2293         * var-tracking.c (reverse_op): Don't add any reverse operation
2294         if V already has any constant locations.
2295
2296 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2297
2298         * doc/invoke.texi: Correct usage of "command line" (noun)
2299         vs "command-line" (adjective) throughout.
2300
2301 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2302
2303         * doc/invoke.texi (Language Independent Options): Move
2304         -Wcoverage-mismatch blurb from here....
2305         (Warning Options): ...to here.
2306
2307 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2308
2309         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2310         Set rs6000_always_hint to false for 476.
2311
2312 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2313
2314         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2315           system root.
2316         * incpath.c (add_standard_paths): Likewise.
2317
2318 2012-01-27  Richard Henderson  <rth@redhat.com>
2319
2320         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2321         * config/m68k/sync.md (atomic_test_and_set): Rename from
2322         sync_test_and_setqi and adjust the operands.
2323         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2324         and unconditionally enable.
2325
2326 2012-01-27  Richard Henderson  <rth@redhat.com>
2327
2328         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2329         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2330         (ldstub): Rename from ldstubqi.
2331         (ldstub<I24MODE>): Remove.
2332
2333 2012-01-27  Richard Henderson  <rth@redhat.com>
2334
2335         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2336         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2337         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2338         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2339         * doc/tm.texi: Rebuild.
2340
2341 2012-01-27  Richard Henderson  <rth@redhat.com>
2342
2343         * optabs.c (gen_atomic_test_and_set): Remove default.
2344         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2345
2346 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2347
2348         PR rtl-optimization/51978
2349         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2350         (combine_reaching_defs): Likewise.
2351         (struct re_info): Remove.
2352         (add_removable_extension): Remove x and data arguments,
2353         add insn, insn_list and def_map.  Use the arguments directly
2354         instead of using struct re_info.
2355         (find_removable_extensions): Don't call add_removable_extension
2356         through note_stores, instead just call it with single_set
2357         result if non-NULL.
2358         (find_and_remove_re): Pass curr_cand->expr instead of
2359         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2360
2361 2012-01-26  Michael Matz  <matz@suse.de>
2362
2363         PR tree-optimization/46590
2364         * cfgexpand.c: Revert last change (r183305).
2365         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2366         regs.
2367         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2368         checking for emptiness.
2369
2370 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2371
2372         PR middle-end/51895
2373         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2374         non-addressable non-BLKmode base correctly.
2375
2376 2012-01-26  Michael Matz  <matz@suse.de>
2377
2378         PR tree-optimization/48794
2379         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2380         regions referenced from RESX/EH_DISPATCH.
2381
2382 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2383
2384         * config/s390/s390.h: Make BRANCH_COST an option.
2385         * config/s390/s390.opt: New option -mbranch-cost.
2386
2387 2012-01-26  Richard Henderson  <rth@redhat.com>
2388
2389         Revert 2012-01-24 change:
2390         * trans-mem.c (requires_barrier): Do not instrument thread local
2391         variables and emit save/restore for them.
2392
2393 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2394
2395         PR middle-end/51986
2396         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2397         for pat == 0.
2398
2399 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2400
2401         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2402         ASM_OPERANDS.
2403
2404 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2405
2406         PR target/49868
2407         Rename __pgm to __flash.
2408         Rename __pgm1 to __flash1.
2409         Rename __pgm2 to __flash2.
2410         Rename __pgm3 to __flash3.
2411         Rename __pgm4 to __flash4.
2412         Rename __pgm5 to __flash5.
2413         Rename __pgmx to __memx.
2414         * doc/extend.texi (AVR Named Address Spaces)
2415         Rename address space names as indicated above.
2416         * config/avr/avr.c (avr_addrspace): Ditto.
2417
2418         * config/avr/avr-protos.h
2419         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2420         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2421         * config/avr/predicates.md: Ditto.
2422         * config/avr/avr.c Ditto, and
2423         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2424         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2425
2426         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2427         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2428         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2429         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2430         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2431         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2432         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2433         * config/avr/avr.c: Ditto.
2434         * config/avr/avr.md: Ditto.
2435
2436 2012-01-25  Jason Merrill  <jason@redhat.com>
2437
2438         PR c++/51992
2439         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2440
2441 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2442
2443         PR tree-optimization/51987
2444         * tree-data-ref.c (get_references_in_stmt): Handle references in
2445         non-volatile GIMPLE_ASM.
2446
2447 2012-01-25  Richard Guenther  <rguenther@suse.de>
2448
2449         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2450         bases are dereferenced.
2451
2452 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2453
2454         PR rtl-optimization/48374
2455         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2456
2457 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2458
2459         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2460         compute_data_dependences_for_loop returns false.
2461         * tree-parloops.c (loop_parallel_p): Likewise.
2462
2463 2012-01-25  Richard Guenther  <rguenther@suse.de>
2464
2465         * tree.h (get_pointer_alignment_1): Declare.
2466         * builtins.c (get_pointer_alignment_1): New function.
2467         (get_pointer_alignment): Use it.
2468
2469 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2470
2471         PR rtl-optimization/48308
2472         * combine.c (enum undo_kind): Add UNDO_LINKS.
2473         (struct undo): Add member l to other_contents and where.
2474         (do_SUBST_LINK): New.
2475         (SUBST_LINK): New.
2476         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2477         (undo_all): Handle UNDO_LINKS.
2478
2479 2012-01-25  Richard Henderson  <rth@redhat.com>
2480
2481         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2482         mem inputs.
2483
2484 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2485
2486         * optabs.c (gen_atomic_test_and_set): Use each argument.
2487
2488 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2489
2490         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2491         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2492         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2493         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2494         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2495         TARGET_PAIRED_SINGLE_FLOAT.
2496
2497 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2498
2499         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2500         (in_struct, return_val): Remove MEM documentation.
2501         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2502         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2503         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2504         and MEM_SCALAR.
2505         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2506         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2507         * expr.c (store_field): Likewise.
2508         * function.c (assign_stack_temp_for_type): Likewise.
2509         * ifcvt.c (noce_try_cmove_arith): Likewise.
2510         * reload1.c (reload): Likewise.
2511         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2512         (alpha_set_memflags): Likewise.
2513         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2514
2515 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2516
2517         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2518         parameter.
2519         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2520         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2521         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2522         varies parameter.
2523         * cselib.c (cselib_rtx_varies_p): Delete.
2524         (cselib_invalidate_mem): Update call to canon_true_dependence.
2525         * dse.c (record_store, check_mem_read_rtx): Likewise.
2526         (scan_reads_nospill): Likewise.
2527         * cse.c (check_dependence): Likewise.
2528         (cse_rtx_varies_p): Delete.
2529         * expr.c (safe_from_p): Update call to true_dependence.
2530         * ira.c (validate_equiv_mem_from_store): Likewise.
2531         (memref_referenced_p): Likewise.
2532         * postreload-gcse.c (find_mem_conflicts): Likewise.
2533         * sched-deps.c (sched_analyze_2): Likewise.
2534         * store-motion.c (load_kills_store): Likewise.
2535         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2536         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2537         (compute_transp): Update call to canon_true_dependence.
2538
2539 2012-01-25  Richard Henderson  <rth@redhat.com>
2540
2541         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2542         (maybe_emit_atomic_test_and_set): New.
2543         (expand_sync_lock_test_and_set): Use it.
2544         (expand_atomic_test_and_set): Likewise.
2545         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2546         the implementation; clarify implementation defined details.
2547         * doc/md.texi (atomic_test_and_set): Document.
2548
2549 2012-01-25  Richard Henderson  <rth@redhat.com>
2550
2551         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2552
2553 2012-01-25  Richard Henderson  <rth@redhat.com>
2554
2555         PR target/51968
2556         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2557         to effect no-op split.
2558
2559 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2560
2561         PR lto/51698
2562         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2563         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2564         (BT_FN_VOID_PTR_INT_SIZE): New.
2565         (BT_FN_UINT_UINT_VAR): Remove.
2566         (BT_FN_UINT32_UINT32_VAR): New.
2567         (BT_FN_DOUBLE_VPTR): Remove.
2568         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2569
2570         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2571         (_ITM_changeTransactionMode): Same.
2572         (_ITM_memmoveRtWt): Change return type to void.
2573         (_ITM_memcpyRtWt): Same.
2574         (_ITM_memsetW): Same.
2575         (_ITM_RaRD): Change types to double.
2576         (_ITM_RD): Same.
2577         (_ITM_RaWD): Same.
2578         (_ITM_RfWD): Same.
2579
2580         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2581
2582 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2583             Patrick Marlier  <patrick.marlier@gmail.com>
2584
2585         * trans-mem.c (requires_barrier): Do not instrument thread local
2586         variables and emit save/restore for them.
2587
2588 2012-01-24  Jason Merrill  <jason@redhat.com>
2589
2590         PR c++/51812
2591         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2592         output static aliases.
2593
2594 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2595
2596         PR driver/47249
2597         * common.opt (-pie, -shared, pie, shared): Change from Common to
2598         Driver.
2599         * gcc.c (display_help): Display help for -pie and -shared.
2600
2601 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2602
2603         PR target/49868
2604         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2605         Remove note on size/offset limitation.
2606         (AVR Variable Attributes): Add example how to read data located
2607         with progmem.  Refer to named address spaces.
2608         * doc/invoke.texi (AVR Options): Fix typo.
2609
2610 2012-01-24  Richard Guenther  <rguenther@suse.de>
2611
2612         Forward-port to trunk
2613         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2614
2615         PR middle-end/45678
2616         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2617         op0 isn't sufficiently aligned and there is movmisalignM
2618         insn for mode, use it to load op0 into a temporary register.
2619
2620 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2621
2622         PR target/51957
2623         * target.def (const_not_ok_for_debug_p): New hook.
2624         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2625         documentation.
2626         * doc/tm.texi: Regenerated.
2627         * dwarf2out.c (const_ok_for_output_1): If
2628         targetm.const_not_ok_for_debug_p returns true, fail.
2629         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2630         function.
2631         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2632
2633 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2634
2635         PR target/51900
2636         * config/i386/predicates.md (symbolic_operand): Allow
2637         UNSPEC_PCREL as PIC expression for lea.
2638         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2639         * config/i386/i386.c (ix86_delegitimize_address): Handle
2640         UNSPEC_PCREL for none-MEM, too.
2641
2642 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2643
2644         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2645         (ipa_tm_create_version_alias): Same.
2646
2647 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2648
2649         PR libitm/51830
2650         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2651         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2652
2653 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2654             Patrick Marlier  <patrick.marlier@gmail.com>
2655             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2656
2657         PR lto/51916
2658         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2659         simple_object_start_read.
2660
2661 2012-01-23  Richard Guenther  <rguenther@suse.de>
2662
2663
2664         PR tree-optimization/51895
2665         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2666         parameter decomposition into BLKmode components.
2667
2668 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2669
2670         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2671         fake variables for restrict-qualified pointers whose pointed-to type
2672         contains a placeholder.
2673
2674 2012-01-23  Richard Guenther  <rguenther@suse.de>
2675
2676         PR tree-optimization/51949
2677         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2678
2679 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2680
2681         PR rtl-optimization/51933
2682         * ree.c (transform_ifelse): Return true right away if dstreg is
2683         already wider or equal to cand->mode.
2684         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2685         (make_defs_and_copies_lists): Remove defs_list and copies_list
2686         arguments, add state argument, just truncate state->work_list
2687         instead of always allocating and freeing the vector.  Assert that
2688         get_defs succeeds instead of returning 2.  Changed return type to bool.
2689         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2690         have ext_src_mode, see if it has been modified already with the
2691         right kind of extension and has been extended before from the
2692         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2693         just return true.  Remember the original mode in state->modified array.
2694         (combine_reaching_defs): Add state argument.  Don't allocate and
2695         free here def_list, copied_list and vec vectors, instead just
2696         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2697         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2698         Add state variable, clear vectors in it, initialize state.modified
2699         if needed.  Free all the vectors at the end and state.modified too.
2700         Don't skip a candidate if the extension expression has been modified.
2701
2702 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2703
2704         PR target/47096
2705         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2706          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2707         (extra_options) interix.opt -> i386/interix.opt"
2708         (extra_objs):Add winnt-stubs.o
2709         * configure.ac: Add interix to target_os .comm on PE check.
2710         * configure: Regenerate.
2711         * config/interix3.h: Delete and move bits to..
2712         * config/interix.h: Delete and move bits to..
2713         * config/i386/i386-interix3.h: Delete and move bits to..
2714         * config/i386/i386-interix.h: ..here.
2715         (TARGET_CPU_DEFAULT): Remove redefinition.
2716         (TARGET_ASM_CONSTRUCTOR): Undefine.
2717         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2718         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2719         (PTRDIFF_TYPE): Define.
2720         (LONG_DOUBLE_TYPE_SIZE): Define.
2721         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2722         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2723         (TARGET_SECTION_TYPE_FLAGS): Define.
2724         (ASM_DECLARE_FUNCTION_NAME): Define.
2725         (ASM_OUTPUT_EXTERNAL): Define.
2726         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2727         (ASM_OUTPUT_ALIGNED_BSS): Define.
2728         (PCC_BITFIELD_TYPE_MATTERS): Define.
2729         (USE_CONST_SECTION): Define.
2730         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2731         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2732         (SUPPORTS_ONE_ONLY): Remove.
2733         (I386_PE_STRIP_ENCODING): Define.
2734         * config/interix.opt: Delete and move bits to..
2735         * config/i386/interix.opt: ..here. New.
2736         (mpe-aligned-commons): Add.
2737         * config/i386/t-interix: Add copyright header.
2738         (winnt-stubs.o): Add rule.
2739
2740 2012-01-22  Jason Merrill  <jason@redhat.com>
2741
2742         PR c++/51832
2743         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2744         for extra name aliases.
2745
2746 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2747
2748         PR rtl-optimization/51924
2749         * ree.c (combine_set_extension): Improve debugging message.
2750         (combine_reaching_defs): Likewise.
2751         (get_defs): Rename confusingly named variable.
2752         (find_and_remove_re): Skip a candidate if the extension expression has
2753         been modified.
2754
2755 2012-01-21  Robert Millan  <rmh@gnu.org>
2756             Gerald Pfeifer  <gerald@pfeifer.com>
2757
2758         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2759         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2760
2761 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2762
2763         PR tree-optimization/51914
2764         * tree-vect-stmts.c (vectorizable_conversion): For
2765         cvt_type && modifier == WIDEN, put temporary with cvt_type
2766         at the beginning of vec_dsts and set vec_dest to temporary
2767         with vectype_out.
2768
2769 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2770
2771         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2772
2773 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2774
2775         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2776         * config/rs6000/rs6000.c: Likewise.
2777
2778 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR target/51915
2781         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2782         output_move_double on a copy of operands array.
2783
2784 2012-01-20  Cary Coutant  <ccoutant@google.com>
2785             Dodji Seketeli  <dodji@redhat.com>
2786
2787         PR debug/45682
2788         * dwarf2out.c (copy_declaration_context): Return ref to parent
2789         of declaration DIE, if necessary.
2790         (remove_child_or_replace_with_skeleton): Add new parameter; update
2791         caller.  Place skeleton DIE under parent DIE of original declaration.
2792         Move call to copy_declaration_context to here ...
2793         (break_out_comdat_types): ... from here.
2794
2795 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2796
2797         PR rtl-optimization/51856
2798         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2799         flag to reloaded.
2800
2801 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2802
2803         PR target/51819
2804         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2805         hints for neon loads and stores.
2806
2807 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2808
2809         PR target/49868
2810         PR target/50887
2811         * doc/extend.texi (Named Address Spaces): Split into subsections.
2812         (AVR Named Address Spaces): New subsection.
2813         (M32C Named Address Spaces): New subsection.
2814         (RL78 Named Address Spaces): New subsection.
2815         (SPU Named Address Spaces): New subsection.
2816         (Variable Attributes): New anchor "AVR Variable Attributes".
2817         (AVR Variable Attributes): Rewrite and avoid wording
2818         "address space" in this context.
2819         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2820         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2821         (AVR Built-in Macros): New subsubsection therein.
2822         * doc/md.texi (AVR constraints): Remove "C04", "R".
2823
2824 2012-01-20  Richard Guenther  <rguenther@suse.de>
2825
2826         PR tree-optimization/51903
2827         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2828         when removing stmts.
2829
2830 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2831
2832         PR target/50313
2833         * config/arm/arm.c (arm_load_pic_register): Use
2834         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2835         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2836         (arm_pic_static_addr): Likewise.
2837         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2838         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2839         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2840         (pic_load_addr_unified): New.
2841
2842 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2843
2844         PR target/51106
2845         * function.c (instantiate_virtual_regs_in_insn): Use
2846         delete_insn_and_edges when removing a wrong asm insn.
2847
2848 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2849
2850         PR rtl-optimization/40761
2851         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2852         Add new member loop_num.
2853         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2854         (ira_build): Remove the parameter.
2855
2856         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2857         (ira.c): Do not build CFG loops for one region allocation.  Remove
2858         argument from ira_build call.
2859
2860         * ira-build.c (init_loop_tree_node): New function.
2861         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2862         loops are not built.
2863         (more_one_region_p): Check current_loops.
2864         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2865         built.
2866         (add_loop_to_tree): Process loop equal to NULL too.
2867         (form_loop_tree): Separate the case when CFG loops are not built.
2868         Use explicitly number for the root.
2869         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2870         an assertion.
2871         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2872         instead of loop->num.
2873         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2874         (mark_all_loops_for_removal): Ditto.
2875         (remove_unnecessary_regions): Separate the case when CFG loops
2876         are not built.
2877         (ira_build): Remove the parameter.  Use explicit number of regions
2878         when CFG loops are not built.
2879
2880         * ira-color.c (print_loop_title): Separate the case for the root node.
2881         Use loop_num instead of loop->num.
2882         (move_spill_restore): Use loop_num instead of loop->num.
2883
2884         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2885         (change_loop): Ditto.
2886         (change_loop): Use loop_num instead of loop->num.
2887
2888         * ira-lives.c (process_bb_node_lives): Ditto.
2889
2890         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2891
2892         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2893
2894 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2895
2896         PR libmudflap/40778
2897         * tree-mudflap.c (mf_artificial): New function.
2898         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2899         mx_register_decls, mudflap_enqueue_decl): Use it.
2900
2901         PR target/51876
2902         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2903         numbers in the insn pattern.
2904
2905 2012-01-19  Michael Matz  <matz@suse.de>
2906
2907         PR tree-optimization/46590
2908         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2909         use it in remembering which conflicts we already created.
2910         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2911         bitmap.
2912
2913 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2914
2915         PR lto/51280
2916         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2917         (merge_and_complain): Same.
2918
2919 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2920
2921         PR bootstrap/50237
2922         * config/initfini-array.h: Guard content of the header
2923         with #ifdef HAVE_INITFINI_ARRAY.
2924         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2925         Add initfini-array.h to tm_file here.
2926         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2927         * config.gcc: Don't add initfini-array.h to tm_file here.
2928         * configure: Regenerated.
2929
2930 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2931
2932         PR rtl-optimization/51505
2933         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2934         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2935         (df_note_bb_compute): Update the call to df_kill_notes.
2936
2937 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2938
2939         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2940
2941 2012-01-18  Richard Guenther  <rguenther@suse.de>
2942
2943         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2944         of conversions to void *.
2945
2946 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2947             Richard Sandiford  <rdsandiford@googlemail.com>
2948
2949         PR middle-end/50325
2950         PR middle-end/51192
2951         * optabs.h (simplify_expand_binop): Declare.
2952         * optabs.c (simplify_expand_binop): Make global.
2953         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2954         endian targets if the source cannot be exactly covered by word
2955         mode chunks.
2956
2957 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2958
2959         PR bootstrap/51872
2960         * hard-reg-set.h (struct hard_reg_set_container): New type.
2961         * target.h (struct hard_reg_set_container): Forward declare.
2962         * target.def (set_up_by_prologue): New target hook.
2963         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2964         * doc/tm.texi: Regenerated.
2965         * function.c (thread_prologue_and_epilogue_insns): Change
2966         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2967         Call targetm.set_up_by_prologue on it.
2968         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2969         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2970
2971 2012-01-17  Nick Clifton  <nickc@redhat.com>
2972
2973         * config/rx/rx.c (rx_can_use_simple_return): New function.
2974         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2975         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2976
2977 2012-01-17  Richard Guenther  <rguenther@suse.de>
2978
2979         PR middle-end/51782
2980         * expr.c (expand_assignment): Take address-space information
2981         from the address operand of MEM_REF and TARGET_MEM_REF.
2982         (expand_expr_real_1): Likewise.
2983
2984 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2985
2986         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2987         reload dump is requested.
2988
2989 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2990
2991         PR other/51165
2992         * trans-mem.c (requires_barrier): Call may_be_aliased.
2993
2994 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2995
2996         PR tree-optimization/51877
2997         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2998         call arguments and fndecls compare equal, instead return false if they
2999         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3000         both SSA_NAMEs that are valueized the same, or they satisfy
3001         operand_equal_p.
3002
3003 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3004
3005         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3006         Solaris 11+.
3007         * configure: Regenerate.
3008
3009 2012-01-16  Jan Hubicka  <jh@suse.cz>
3010
3011         PR c/12245
3012         PR c++/14179
3013         * convert.c (convert_to_integer): Use fold_convert for
3014         converting an INTEGER_CST to integer type.
3015
3016 2012-01-16  Jason Merrill  <jason@redhat.com>
3017
3018         PR c++/14179
3019         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3020
3021 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3022
3023         PR bootstrap/51860
3024         * config/s390/s390.c (s390_chunkify_start): Don't skip
3025         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3026         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3027         If insn is followed by NOTE_INSN_VAR_LOCATION or
3028         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3029         Don't use location of note insns.
3030
3031         PR tree-optimization/51865
3032         * tree-inline.c (tree_function_versioning): Call remap_decl
3033         on DECL_RESULT whenever it has VOID_TYPE_P type.
3034
3035 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3036
3037         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3038         for calls to locally-binding MIPS16 functions if only the return
3039         type uses float regs.
3040
3041 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3042             Richard Sandiford  <rdsandiford@googlemail.com>
3043
3044         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3045         (SYMBOL_32_HIGH): Likewise.
3046         (mips_output_tls_reloc_directive): Declare.
3047         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3048         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3049         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3050         (mips_lo_relocs, mips_hi_relocs): Make extern.
3051         (mips16_stub_function): Move up file.
3052         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3053         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3054         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3055         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3056         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3057         (mips_get_tp): Add MIPS16 support.
3058         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3059         Generalize DTPREL and TPREL handling.
3060         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3061         Add MIPS16 TLS support.
3062         (mips_output_tls_reloc_directive): New function.
3063         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3064         * config/mips/predicates.md (symbolic_operand_with_high)
3065         (tls_reloc_operand): New predicates.
3066         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3067         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3068         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3069         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3070         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3071         (*tls_get_tp_mips16_call_<mode>): Likewise.
3072
3073 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3074
3075         PR rtl-optimization/51821
3076         * recog.c (peep2_find_free_register): Determine clobbered registers
3077         from insn pattern.
3078
3079 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3080
3081         PR target/50925
3082         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3083         * config/avr/avr.c: Likewise.
3084         * config/avr/avr.h: Likewise.
3085
3086 2012-01-13  Ian Lance Taylor  <iant@google.com>
3087
3088         PR c++/50012
3089         * tree.h (TYPE_QUALS): Add cast to int.
3090         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3091
3092 2012-01-13  Ian Lance Taylor  <iant@google.com>
3093
3094         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3095         comparing param_index to VEC_length result.
3096
3097 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3098
3099         * c-decl.c: Do not include tree-mudflap.h
3100         * tree-optimize.c: Likewise.
3101         * Makefile.in: Update dependencies.
3102
3103 2012-01-13  Richard Guenther  <rguenther@suse.de>
3104
3105         PR middle-end/8081
3106         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3107         variable-sized result always use RSO.
3108
3109 2012-01-12  DJ Delorie  <dj@redhat.com>
3110
3111         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3112         pointer type, not just the default pointer type.
3113
3114 2012-01-09  Richard Henderson  <rth@redhat.com>
3115             Denis Chertykov  <chertykov@gmail.com>
3116
3117         PR target/50925
3118         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3119         * config/avr/avr.c (avr_can_eliminate): Simplify.
3120         (avr_initial_elimination_offset): Likewise.
3121         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3122         (expand_epilogue): Likewise.
3123         (avr_legitimize_address): Gut.
3124         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3125         (avr_hard_regno_nregs): New.
3126         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3127         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3128         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3129         add soft frame pointer.
3130         (CALL_USED_REGISTERS): Likewise.
3131         (REG_CLASS_CONTENTS): Likewise.
3132         (REGISTER_NAMES): Likewise.
3133         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3134         (HARD_FRAME_POINTER_REGNUM): New.
3135         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3136         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3137         remove the HARD_FRAME_POINTER self-elimination.
3138
3139 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3140
3141         PR target/51756
3142         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3143         DECL_EXTERNAL when checking for initializers of progmem variables.
3144
3145 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3146
3147         PR tree-optimization/51799
3148         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3149         that the last operation is a type demotion.
3150
3151 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3152
3153         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3154         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3155
3156 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3157
3158         PR bootstrap/51796
3159         * combine.c (distribute_notes): If i3 is a noreturn call,
3160         allow old_size to be equal to args_size and make sure the
3161         noreturn call gets REG_ARGS_SIZE note.
3162         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3163         on noreturn calls even when the delta is 0.
3164
3165 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3166
3167         * gcov.c (STRING_SIZE): Remove.
3168         (generate_results): Erase annotations for source files with no
3169         coverage information.
3170         (read_line): New.
3171         (output_lines): Use it.
3172
3173 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3174
3175         * gimple.h (gimplify_body): Remove first argument.
3176         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3177         pointer set here, instead just pass DATA to walk_tree.
3178         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3179         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3180         (unvisit_body): Likewise, but with unmark_visited.
3181         (gimplify_body): Remove BODY_P argument and adjust.
3182         (gimplify_function_tree): Adjust call to gimplify_body.
3183         * omp-low.c (finalize_task_copyfn): Likewise.
3184
3185 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3186
3187         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3188         (build_function_type_skip_args): Delete.
3189         * tree.c (build_function_type_skip_args): Make static and add
3190         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3191         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3192         pass it to build_function_type_skip_args.
3193         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3194         (tree_function_versioning): Likewise.
3195         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3196         build_function_decl_skip_args.
3197         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3198         and pass it to build_function_decl_skip_args/tree_function_versioning.
3199         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3200         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3201         * trans-mem.c (ipa_tm_create_version): Likewise.
3202         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3203         * tree-inline.c (declare_return_variable): Remove always-true test.
3204         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3205         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3206         * ipa-split.c (split_function): Skip the return value for the split
3207         part if it doesn't return.
3208
3209 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3210
3211         PR tree-optimization/49642
3212         * ipa-split.c (forbidden_dominators): New variable.
3213         (check_forbidden_calls): New function.
3214         (dominated_by_forbidden): Likewise.
3215         (consider_split): Check for forbidden dominators.
3216         (execute_split_functions): Initialize and free forbidden
3217         dominators info; call check_forbidden_calls.
3218
3219 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3220
3221         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3222
3223 2012-01-11  Nick Clifton  <nickc@redhat.com>
3224
3225         * config/rx/rx.md (return): Define pattern.
3226
3227 2012-01-11  Richard Guenther  <rguenther@suse.de>
3228
3229         * doc/extend.texi (malloc attribute): Adjust according to
3230         implementation.
3231
3232 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3233             Patrick Marlier  <patrick.marlier@gmail.com>
3234
3235         PR middle-end/51516
3236         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3237         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3238         (ipa_tm_note_irrevocable): Same.
3239         (ipa_tm_scan_irr_block): Same.
3240         (ipa_tm_decrement_clone_counts): Same.
3241         (ipa_tm_scan_irr_function): Same.
3242         (ipa_tm_create_version_alias): Same.
3243         (ipa_tm_create_version): Same.
3244         (ipa_tm_transform_calls_redirect): Same.
3245         (ipa_tm_transform_calls): Same.
3246         (ipa_tm_transform_transaction): Same.
3247         (ipa_tm_execute): Same.
3248
3249 2012-01-10  Richard Guenther  <rguenther@suse.de>
3250
3251         PR middle-end/51806
3252         * opts.c (common_handle_option): Handle -Werror.
3253
3254 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3255
3256         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3257         operand number.
3258
3259 2012-01-10  Jason Merrill  <jason@redhat.com>
3260
3261         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3262         information.
3263
3264 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3265
3266         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3267         supports R_386_TLS_GD_PLT reloc.
3268         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3269         supports R_386_TLS_LDM_PLT reloc.
3270         * configure: Regenerate.
3271         * config.in: Regenerate.
3272
3273 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3274
3275         PR target/49868
3276         Extend __pgmx semantics to linearize memory.
3277         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3278         determine if code comes inline or from libgcc.
3279         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3280         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3281         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3282         (movmemx_qi, movmemx_hi): New insns.
3283         (xload_<mode>_libgcc): Rewrite to new insn condition.
3284         (xload_<mode>): Remove insns.
3285         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3286         cases that don't satisfy avr_xload_libgcc_p().
3287         (avr_addr_space_convert): Allow converting in any direction.
3288         (avr_addr_space_subset_p): Return always true.
3289         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3290         (avr_emit_movmemhi): Ditto.
3291         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3292         (avr_out_movmem): Ditto.
3293         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3294         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3295         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3296         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3297         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3298
3299 2012-01-10  Richard Guenther  <rguenther@suse.de>
3300
3301         PR tree-optimization/50913
3302         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3303         Require data-refs to be representable by Graphite with respect
3304         to any loop nest.
3305
3306 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3307
3308         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3309         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3310
3311 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3312
3313         PR rtl-optimization/51271
3314         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3315         handling annulled branch.
3316
3317 2012-01-10  Richard Henderson  <rth@redhat.com>
3318
3319         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3320         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3321         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3322         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3323         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3324         arm_expand_vec_perm_const): New.
3325         * config/arm/arm-protos.h: Update.
3326         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3327         (*neon_vswp<VDQX>): New.
3328         (neon_vcombine<VDX>): Use neon_split_vcombine.
3329         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3330         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3331         (vec_perm<VE>): New.
3332
3333 2012-01-10  Richard Henderson  <rth@redhat.com>
3334
3335         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3336         use it if reload_completed.
3337         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3338         arm_output_asm_insn, arm_process_output_memory_barrier,
3339         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3340         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3341         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3342         arm_process_output_sync_insn, arm_output_sync_insn,
3343         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3344         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3345         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3346         (emit_unlikely_jump): New.
3347         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3348         (arm_split_atomic_op): New.
3349         * config/arm/arm-protos.h: Update.
3350         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3351         (struct arm_sync_generator): Remove.
3352         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3353         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3354         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3355         (VUNSPEC_LL, VUNSPEC_SC): New.
3356         (sync_result, sync_memory, sync_required_value, sync_new_value,
3357         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3358         (attr length): Don't use arm_sync_loop_insns.
3359         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3360         (movsfcc, movdfcc): Likewise.
3361         * config/arm/constraints.md (Ua): New.
3362         * config/arm/prediates.md (mem_noofs_operand): New.
3363         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3364         (sync_clobber, sync_t2_reqd): Remove.
3365         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3366         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3367         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3368         (arm_sync_compare_and_swap<SIDI>): Remove.
3369         (arm_sync_compare_and_swap<NARROW>): Remove.
3370         (arm_sync_lock_test_and_set<SIDI>): Remove.
3371         (arm_sync_lock_test_and_set<NARROW>): Remove.
3372         (arm_sync_new_<syncop><SIDI>): Remove.
3373         (arm_sync_new_<syncop><NARROW>): Remove.
3374         (arm_sync_new_nand<SIDI>): Remove.
3375         (arm_sync_new_nand<NARROW>): Remove.
3376         (arm_sync_old_<syncop><SIDI>): Remove.
3377         (arm_sync_old_<syncop><NARROW>): Remove.
3378         (arm_sync_old_nand<SIDI>): Remove.
3379         (arm_sync_old_nand<NARROW>): Remove.
3380         (*memory_barrier): Merge arm_output_memory_barrier.
3381         (atomic_compare_and_swap<QHSD>): New.
3382         (atomic_compare_and_swap<NARROW>_1): New.
3383         (atomic_compare_and_swap<SIDI>_1): New.
3384         (atomic_exchange<QHSD>): New.
3385         (cas_cmp_operand, cas_cmp_str): New.
3386         (atomic_op_operand, atomic_op_str): New.
3387         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3388         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3389         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3390         (arm_load_exclusive<NARROW>): New.
3391         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3392         (arm_store_exclusive<QHSD>): New.
3393
3394 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3395
3396         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3397         reload patterns if -mvsx-scalar-memory.
3398
3399         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3400         generated, even -mno-vsx-scalar-double was used.
3401         (vsx_xscvdpsp_scalar): Likewise.
3402         (vsx_xscvspdp_scalar2): Likewise.
3403
3404 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3405             Andrew Pinski  <apinski@cavium.com>
3406
3407         PR debug/51471
3408         * reorg.c (fill_slots_from_thread): Don't speculate
3409         frame-related insns.
3410
3411 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3412
3413         * sched-int.h (bb_note): Move to...
3414         * basic-block.h: ...here.
3415         * haifa-sched.c (bb_note): Move to...
3416         * cfgrtl.c: ...here.
3417         * function.c (next_block_for_reg): New function.
3418         (move_insn_for_shrink_wrap): Likewise.
3419         (prepare_shrink_wrap): Rewrite to use the above.
3420
3421 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3422
3423         * gimple.c (is_gimple_non_addressable): Remove.
3424         * gimple.h: Remove is_gimple_non_addressable.
3425         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3426         is_gimple_non_addressable.
3427         * trans-mem.c (expand_assign_tm): Same.
3428
3429 2012-01-09  Richard Guenther  <rguenther@suse.de>
3430
3431         PR tree-optimization/51775
3432         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3433         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3434
3435 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3436
3437         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3438         tuning parameters.
3439         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3440
3441 2012-01-09  Richard Guenther  <rguenther@suse.de>
3442
3443         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3444
3445 2012-01-08  Jan Hubicka  <jh@suse.cz>
3446
3447         PR tree-optimize/51680
3448         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3449         on when known_vals needs to be computed; cleanup.
3450
3451 2012-01-08  Jan Hubicka  <jh@suse.cz>
3452
3453         PR tree-optimize/51694
3454         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3455
3456 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3457
3458         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3459         for -std=c++98 and -std=c++11 too.
3460
3461 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3462
3463         * cfgloop.c (cancel_loop): Add free() of bbs array.
3464
3465 2012-01-07  Jan Hubicka  <jh@suse.cz>
3466
3467         PR tree-optimization/51600
3468         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3469         that benefits small functions.
3470
3471 2012-01-07  Jan Hubicka  <jh@suse.cz>
3472
3473         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3474
3475 2012-01-07  Jan Hubicka  <jh@suse.cz>
3476
3477         PR tree-optimization/51680
3478         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3479         whose inlining reduce unit size.
3480
3481 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3482
3483         PR bootstrap/51725
3484         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3485         Add canonical node to containing_mem chain after the non-canonical
3486         one, even if there weren't any locs to propagate.
3487         (remove_useless_values): Keep only canonical values.
3488         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3489         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3490         canonicalize mem_chain elements that are not discarded.
3491
3492 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3493
3494         PR target/47333
3495         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3496         before emitting functions.
3497
3498         PR gcov-profile/50127
3499         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3500         clear_aux_for_blocks.
3501
3502 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3503
3504         PR debug/51746