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1 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
2
3         Backport from mainline
4         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
5
6         PR target/52775
7         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
8         the list of options to enable the FCFID instruction.
9         (TARGET_EXTRA_BUILTINS): Adjust comment.
10
11 2012-04-12  Richard Guenther  <rguenther@suse.de>
12
13         PR tree-optimization/52943
14         * tree-chrec.h (chrec_is_positive): Remove.
15         * tree-scalar-evolution.c (chrec_is_positive): Move ...
16         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
17         Return false for a constant zero instead of negative.
18         (analyze_siv_subscript_cst_affine): Handle zero difference
19         in the initial condition explicitely.
20
21 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22
23         PR middle-end/52894
24         * varasm.c (process_pending_assemble_externals): Set
25         pending_assemble_externals_processed true.
26         (assemble_external): Call assemble_external_real if the pending
27         assemble externals have been processed.
28
29 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
30
31         PR target/52717
32         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
33         the DECL generated for the special GOT helper.
34
35 2012-04-06  Walter Lee  <walt@tilera.com>
36
37         Backport from mainline
38         2012-03-07  Walter Lee  <walt@tilera.com>
39
40         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
41         REG_CFA_* notes for the stack pointer.
42         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
43         EH_RETURN_STACKADJ_RTX.
44         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
45         generate REG_CFA_* notes for the stack pointer.
46         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
47         by EH_RETURN_STACKADJ_RTX.
48
49 2012-04-06  Matt Turner  <mattst88@gmail.com>
50
51         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
52
53 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
54
55         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
56         of the destination isn't also a FP_REGS register.
57
58 2012-04-03  Richard Guenther  <rguenther@suse.de>
59
60         Backport from mainline
61         2012-03-02  Richard Guenther  <rguenther@suse.de>
62
63         PR tree-optimization/52406
64         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
65         (struct indices): Add unconstrained_base member.
66         (struct dr_alias): Remove unused vops member.
67         (DR_UNCONSTRAINED_BASE): New define.
68         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
69         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
70         be an artificial access that covers the whole indexed object,
71         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
72         plain decl base-objects to their MEM_REF variant.
73         (dr_may_alias_p): When the base-object of either data reference
74         has unknown size use only points-to information.
75         (compute_affine_dependence): Make dumps easier to read and
76         more verbose.
77         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
78         DR_REF when looking for packed references.
79         (vect_supportable_dr_alignment): Likewise.
80
81 2012-04-03  Richard Guenther  <rguenther@suse.de>
82
83         Backport from mainline
84         2012-03-15  Richard Guenther  <rguenther@suse.de>
85
86         PR middle-end/52580
87         * tree-data-ref.c (subscript_dependence_tester_1): Check
88         all dimensions for non-conflicting access functions.
89
90 2012-04-03  Richard Guenther  <rguenther@suse.de>
91
92         Backport from mainline
93         2012-03-06  Richard Guenther  <rguenther@suse.de>
94
95         PR middle-end/52493
96         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
97
98         2012-03-23  Richard Guenther  <rguenther@suse.de>
99
100         PR tree-optimization/52678
101         * tree-vectorizer.h (struct _stmt_vec_info): Add
102         loop_phi_evolution_part member.
103         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
104         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
105         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
106         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
107         Use the cached evolution part and the PHI nodes value from
108         the loop preheader edge instead of re-analyzing the evolution.
109
110         2012-03-26  Richard Guenther  <rguenther@suse.de>
111
112         PR tree-optimization/52701
113         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
114         compute and set the evolution part of PHI nodes.
115
116         2012-03-30  Richard Guenther  <rguenther@suse.de>
117
118         PR tree-optimization/52754
119         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
120         propagate arbitrary addresses into really plain dereferences.
121
122 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
123
124         PR tree-optimization/52835
125         * tree-data-ref.c (build_rdg): Return NULL if
126         compute_data_dependences_for_loop failed.
127
128 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
129
130         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
131         (stmt_can_make_abnormal_goto): Use it.
132         (is_ctrl_altering_stmt): Likewise.
133
134 2012-03-31  Martin Jambor  <mjambor@suse.cz>
135
136         Backported from mainline
137         2012-03-30  Martin Jambor  <mjambor@suse.cz>
138
139         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
140         is a builtin_stack_save in a dominating BB.
141
142 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
143
144         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
145         crossing 128bit lane boundary.
146
147 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
148
149         Backported from mainline
150         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
151
152         PR target/52698
153         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
154         New prototype.
155         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
156         * config/i386/i386.c: Include reload.h.
157         (ix86_legitimize_reload_address): New function.
158
159 2012-03-28  Martin Jambor  <mjambor@suse.cz>
160
161         Backported from mainline
162         2012-03-27  Martin Jambor  <mjambor@suse.cz>
163
164         PR middle-end/52693
165         * tree-sra.c (sra_modify_assign): Do not call
166         load_assign_lhs_subreplacements when working with an unscalarizable
167         region.
168
169 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
170
171         PR middle-end/52691
172         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
173         __builtin_va_start to __builtin_next_arg if the latter is
174         builtin_decl_explicit_p rather than when it is not.
175
176         PR middle-end/52750
177         * tree-vect-generic.c (vector_element): Perform multiplication
178         for pos in bitsizetype type instead of idx type.
179
180 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
181
182         Backport from 2012-03-28 mainline r185910.
183
184         PR target/52692
185         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
186         (avr_builtin_decl): New static function.
187         (struct avr_builtin_description, avr_bdesc): Move up.
188         Add GTY marker. Add field fndecl. Remove redundant field id.
189         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
190         (avr_expand_builtin): Code cleanup because .id is removed.
191
192 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
193
194         PR middle-end/51893
195         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
196         targets.
197
198 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
199
200         Backport from 2012-03-28 mainline r185907.
201
202         PR target/52737
203         * config.gcc (tm_file): Remove avr/multilib.h.
204
205         * doc/invoke.texi (AVR Options): Adjust
206         documentation of -mtiny-stack.
207
208         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
209         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
210         * config/avr/t-avr: Remove generation of multilib.h.
211         * config/avr/t-multilib: Regenerate.
212         * config/avr/multilib.h: Remove.
213         * config/avr/avr.opt (-msp8): New option.
214         (avr_sp8): New variable.
215         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
216         * config/avr/avr.h (AVR_HAVE_SPH): New define.
217         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
218         (avr_device_to_sp8): New prototype.
219         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
220         (DRIVER_SELF_SPECS): New define.
221         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
222         __AVR_SP8__, __AVR_HAVE_SPH__.
223         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
224         AVR_HAVE_8BIT_SP to decide if SP_H is present.
225         (avr_file_start): Ditto.
226
227 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
228
229         PR target/52736
230         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
231         instead of 8 in adjust_address.
232
233 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
234
235         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
236         of a unit before computing the offset in units.
237
238 2012-03-27  Richard Guenther  <rguenther@suse.de>
239
240         PR middle-end/52720
241         * fold-const.c (try_move_mult_to_index): Handle &x.array more
242         explicitely.
243
244 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
245
246         PR target/52610
247         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
248
249 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
250
251         PR middle-end/52640
252         * varasm.c: Include pointer-set.h.
253         (pending_assemble_externals_set): New pointer set.
254         (process_pending_assemble_externals): Destroy the pointer set.
255         (assemble_external): See if decl is in pending_assemble_externals_set,
256         and add it to pending_assemble_externals if necessary.
257         (init_varasm_once): Allocate pending_assemble_externals_set.
258
259 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
260
261         Backported from mainline
262         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
263
264         PR target/50310
265         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
266         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
267         (vector_ltgt<mode>): Likewise.
268         (vector_ordered<mode>): Likewise.
269         (vector_unordered<mode>): Likewise.
270         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
271
272 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
273
274         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
275         Make static.
276
277 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
278
279         Backported from mainline
280         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
281
282         PR target/48596
283         PR target/48806
284         * config/sh/sh.c (sh_register_move_cost): Increase cost between
285         GENERAL_REGS and FP_REGS for SImode.
286
287 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
288
289         PR middle-end/52547
290         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
291         on any new_local_var_chain vars declared during recursing on
292         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
293
294 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
295
296         Backport from 2012-03-22 mainline r185692.
297
298         PR target/52496
299         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
300         (unspecv): Add UNSPECV_MEMORY_BARRIER.
301         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
302         (delay_cycles_1, delay_cycles_2): Ditto.
303         (delay_cycles_3, delay_cycles_4): Ditto.
304         (nopv, *nopv): Ditto.
305         (sleep, *sleep): Ditto.
306         (wdr, *wdr): Ditto.
307
308         Backport from 2012-03-21 mainline r185605.
309
310         PR rtl-optimization/52543
311         PR target/52461
312         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
313         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
314         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
315         (avr_load_libgcc_p): Restrict to __flash loads.
316         (avr_out_lpm): Only handle 1-byte loads from __flash.
317         (avr_load_lpm): New function.
318         (avr_find_unused_d_reg): Remove.
319         (avr_out_lpm_no_lpmx): Remove.
320         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
321         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
322         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
323         (load_<mode>, load_<mode>_clobber): New insns.
324         (mov<mode>): For multi-byte move from non-generic
325         16-bit address spaces: Expand to load_<mode> resp.
326         load_<mode>_clobber.
327         (load<mode>_libgcc): Remove expander.
328         (split-lpmx): Remove split.
329
330         Backport from 2012-03-13 mainline r185329.
331
332         PR target/52488
333         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
334         offset (size) to a value the insns can deal with.
335         (expand_epilogue): Ditto.
336
337         Backport from 2012-03-12 mainline r185256.
338
339         PR target/52499
340         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
341         type from reg_class_t to enum reg_class.
342         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
343
344         Backport from 2012-03-12 mainline r185253.
345
346         PR target/52148
347         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
348         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
349         r184615 from 2012-02-28.
350
351         Backport from 2012-03-08 mainline r185105.
352
353         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
354         for constants in [-63,63].
355
356         Backport from 2012-03-08 mainline r185100.
357
358         PR target/52496
359         * config/avr/avr.c (avr_mem_clobber): New static function.
360         (avr_expand_delay_cycles): Add memory clobber operand to
361         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
362         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
363         (enable_interrupt, disable_interrupt): New expander.
364         (nopv, sleep, wdr): New expanders.
365         (delay_cycles_1): Add memory clobber.
366         (delay_cycles_2): Add memory clobber.
367         (delay_cycles_3): Add memory clobber.
368         (delay_cycles_4): Add memory clobber.
369         (cli_sei): New insn from former "enable_interrupt",
370         "disable_interrupt" with memory clobber.
371         (*wdt): New insn from former "wdt" with memory clobber.
372         (*nopv): Similar, but for "nopv".
373         (*sleep): Similar, but for "sleep".
374
375         Backport from 2012-03-07 mainline r185043.
376
377         PR target/52484
378         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
379
380         Backport from 2012-03-07 mainline r185032.
381
382         PR target/52506
383         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
384         to: RAMPZ, RAMPY, RAMPX, RAMPD.
385         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
386
387         Backport from 2012-03-07 mainline r185031.
388
389         PR target/52505
390         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
391         from RAM.
392         * config/avr/avr.md (xload_8): Adjust insn length.
393
394         Backport from 2012-03-07 mainline r185030.
395
396         PR target/52461
397         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
398         if RAMPZ affects reading from RAM.
399
400         Backport from 2012-03-05 mainline r184919.
401
402         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
403
404 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
405
406         Backport from mainline r185259.
407
408         PR other/52545
409         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
410         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
411
412 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
413
414         Backported from mainline
415         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
416
417         PR c/52577
418         * c-parser.c (c_parser_postfix_expression)
419         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
420
421         * config/i386/smmintrin.h: Avoid /* within a comment.
422         * config/i386/nmmintrin.h: Likewise.
423
424 2012-03-22  Richard Guenther  <rguenther@suse.de>
425
426         * BASE-VER: Set to 4.7.1.
427         * DEV-PHASE: Set to prerelease.
428
429 2012-03-22  Release Manager
430
431         * GCC 4.7.0 released.
432
433 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
434
435         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
436
437 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
438             Andrew Pinski  <apinski@cavium.com>
439
440         PR middle-end/52592
441         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
442         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
443         calls instead of __builtin_ir{int,ound}*.
444
445 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
446
447         PR c++/52582
448         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
449         if c_node is NULL.
450
451 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
452
453         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
454         Refer to GCC 4.7 version of c99status.html.
455
456 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
457
458         Backport from mainline
459         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
460
461         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
462         redefine to be NULL if the current bit-size is different from the
463         configured bit-size.
464
465         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
466         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
467         set the default tuning.  Add asserts to make sure the cpu and tune
468         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
469         test whether the index is set, instead of > 0.
470         (rs6000_file_start): Do not reset the default cpu if the current
471         bit-size is different from the configured bit-size.
472
473 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
474
475         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
476         binutils reference.
477         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
478         Update binutils references.
479         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
480         Update binutils reference.
481         Update Sun as/GNU ld caveat.
482         Document binutils largefile requirement for LTO plugin.
483         Remove reference to alternate libpthread.
484
485 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
486
487         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
488         reference.
489         (Specific, mips-sgi-irix6): Likewise.
490
491 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
492
493         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
494         * configure: Regenerate.
495
496 2012-03-07  Richard Henderson  <rth@redhat.com>
497
498         * config/m68k/m68k.h (ISA_HAS_TAS): New.
499         * config/m68k/sync.md (atomic_test_and_set): Use it.
500         (atomic_test_and_set_1): Likewise.
501
502 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
503
504         PR target/51417
505         * Makefile.in: Let install-gcc-ar depend on installdirs,
506         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
507         Don't double canonicalize if cross-compiling.
508
509 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
510
511         * trans-mem.c: New typedef for tm_region_p.
512         Define vector types for tm_region_p.
513         (tm_region_init): Replace region_worklist to a vector called
514         bb_regions.
515
516 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
517
518         PR middle-end/52463
519         * trans-mem.c (tm_region_init): Use last_basic_block.
520
521 2012-03-05  Richard Henderson  <rth@redhat.com>
522
523         PR tree-opt/52242
524         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
525         * omp-low.c (expand_omp_atomic): Assume anything aligned to
526         BIGGEST_ALIGNMENT is aligned.
527
528 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
529
530         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
531
532 2012-03-05  Richard Henderson  <rth@redhat.com>
533
534         PR target/52481
535         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
536         instead of calling negqi2 directly.
537
538 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
539
540         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
541         (INTMAX_TYPE): Use it.
542         (UINTMAX_TYPE): Likewise.
543         (SUBTARGET_OVERRIDE_OPTIONS): Define.
544         (irix6_c_common_override_options): Declare.
545         (C_COMMON_OVERRIDE_OPTIONS): Define.
546         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
547         * config/mips/irix6-c.c: New file.
548         * config/mips/t-irix6 (irix6-c.o): New target.
549         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
550         cxx_target_objs.
551
552 2012-03-02  Richard Henderson  <rth@redhat.com>
553
554         * optabs.c (expand_atomic_test_and_set): Honor
555         atomic_test_and_set_trueval even when atomic_test_and_set
556         optab is not in use.
557
558 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
559
560         Backport from mainline
561         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
562
563         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
564
565 2012-03-02  Richard Guenther  <rguenther@suse.de>
566
567         * DEV-PHASE: Set to prerelease.
568
569 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
570
571         * config.gcc (obsolete): Add all ARM targets using the FPA.
572         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
573         * doc/install.texi: Avoid references to obsolete ARM ports.
574
575 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
576
577         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
578
579 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
580             Joern Rennecke  <joern.rennecke@embecosm.com>
581
582         * doc/extend.texi: Expand and update information on interrupt
583         attribute for Epiphany.
584
585 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
586
587         * config/sh/sh-protos.h: Update copyright notice dates.
588         * config/sh/sh.h: Likewise.
589         * config/sh/sh.md: Likewise.
590         * config/sh/constraints.md: Likewise.
591         * config/sh/predicates.md: Likewise.
592
593 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
594
595         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
596         * config/sh/sh.c (tertiary_reload_operand): Likewise.
597
598 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
599
600         * config/sh/constraints.md: Fix comment typo.
601
602 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
603
604         PR target/52408
605         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
606         unsigned HOST_WIDE_INT.
607         (zvdep_imm64): Likewise.
608         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
609         (vdepi_and): Likewise.
610         Likewise for unamed 64-bit patterns.
611         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
612
613 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
614
615         PR debug/52001
616         PR rtl-optimization/52417
617         * cselib.c (cselib_any_perm_equivs): New variable.
618         (cselib_reset_table): Check that it's not set when not
619         preserving constants.
620         (cselib_add_permanent_equiv): Set it.
621         (cselib_have_permanent_equivalences): New.
622         (cselib_init, cselib_finish): Reset it.
623         * cselib.h (cselib_have_permanent_equivalences): Declare.
624         * alias.c (get_addr): Restore earlier behavior when there
625         aren't permanent equivalences.
626
627 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
628
629         * config/mn10300/mn10300-modes.def: Fix copyright notice.
630         * config/v850/v850-modes.def: Fix copyright notice.
631
632 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
633
634         * doc/extend.texi (AVR Built-in Functions): Document
635         __builtin_avr_flash_segment.
636
637         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
638         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
639         (*split.flash_segment): New insn-and-split.
640         * config/avr/avr.c (avr_init_builtins): Add local variables:
641         const_memx_void_node, const_memx_ptr_type_node,
642         char_ftype_const_memx_ptr.
643
644 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
645
646         PR tree-optimization/52445
647         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
648         add ssa_name_ver, offset and size fields and change store field
649         to bool.
650         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
651         (add_or_mark_expr): Likewise.  Only consider previous stores
652         with the same size and offset.
653         (nt_init_block): Only look at gimple_assign_single_p stmts,
654         doesn't look at rhs2.
655
656 2012-03-01  Richard Guenther  <rguenther@suse.de>
657
658         PR middle-end/52443
659         * tree-cfg.c (verify_gimple_assign_unary): Allow any
660         conversions from integral types to pointer types.
661
662 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
663
664         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
665         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
666         unintentionally removed in r184616.
667
668 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
669
670         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
671         3DNow from bdver1.
672
673 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
674             Uros Bizjak  <ubizjak@gmail.com>
675
676         PR target/52437
677         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
678         alternatives, add "e" constraint to the new last alternative
679         and ! to last 3 alternatives.
680
681 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
682
683         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
684         DW_AT_artificial attributes at the end of the processing.
685         (gen_array_type_die): Likewise.
686         (gen_enumeration_type_die): Likewise.
687         (gen_struct_or_union_type_die): Likewise.
688         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
689         the parent type.
690
691 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
692
693         PR middle-end/52419
694         * expr.c (expand_assignment): If doing misaligned store that doesn't
695         cover all mode bits, perform a RMW cycle.
696
697         PR tree-optimization/52429
698         * tree-parloops.c (separate_decls_in_region_debug): Return early
699         if var is LABEL_DECL.
700
701 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
702
703         PR tree-optimization/52424
704         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
705         calling dom_thread_across_edge.
706
707 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
708
709         * config/avr/avr.c: Move definition of TARGET macros to end of file.
710
711 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
712
713         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
714         * config/avr/avr.c (avr_output_bld): Remove unused function.
715         (avr_out_sbxx_branch): Use "%T" to print bit position.
716
717 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
718
719         * config/avr/avr.md: Untabify.
720
721 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
722
723         * config/avr/avr.md (eqne): New code iterator.
724         (*dec-and-branchsi): Use it in text peephole's condition.
725         (*dec-and-branchhi): Ditto.
726         (*dec-and-branchqi): Ditto.
727
728 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
729
730         PR target/49939
731         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
732         the device does not have the skip-bug.
733
734 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
735
736         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
737         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
738         -mpretend-cmove): New.
739
740 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
741
742         PR bootstrap/52397
743         * df.h (struct df_d): Adjust comment that hard_regs_live_count
744         doesn't count DEBUG_INSN refs.
745         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
746         for DEBUG_INSN refs.
747
748 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
749
750         Partially revert:
751
752         2012-02-20  Richard Guenther  <rguenther@suse.de>
753         PR tree-optimization/52298
754         * tree-vect-stmts.c (vectorizable_load): Properly use
755         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
756         outer loops.
757
758 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
759
760         PR middle-end/51752
761         * gimple.h (gimple_in_transaction): New.
762         (gimple_set_in_transaction): New.
763         (struct gimple_statement_base): Add in_transaction field.
764         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
765         transaction loads.
766         (tree_ssa_lim_initialize): Compute transaction bits.
767         * tree.h (compute_transaction_bits): Protoize.
768         * trans-mem.c (tm_region_init): Use the heap to store BB
769         auxilliary data.
770         (compute_transaction_bits): New.
771
772 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
773
774         * gcc.c (display_help): Document --help=common and sort entries
775         alphabetically.
776
777 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
778
779         * doc/install.texi: Document check-$LANG specific shortcuts
780
781 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
782
783         PR target/51534
784         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
785         and vcgtu.
786         * config/arm/arm_neon.h: Regenerate.
787         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
788         (neon_vcgeu): New insn.
789         (neon_vcgtu): Likewise.
790         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
791         (ops): Unsigned comparison intrinsics call a different
792         builtin.
793
794 2012-02-28  Richard Guenther  <rguenther@suse.de>
795
796         PR target/52407
797         * config/i386/i386.c (ix86_expand_vector_set): Fix element
798         ordering for the VEC_CONCAT for two element vectors for
799         V2SFmode, V2SImode and V2DImode.
800
801 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
802
803         PR target/49448
804         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
805         detecting big-endian triplets.
806
807 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
808
809         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
810         mode if there is no type information available.
811
812 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
813
814         PR tree-optimization/53207
815         * doc/invoke.texi: Document as experimental and relying on graphite.
816
817 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
818
819         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
820         of initializer to changes from r184614.
821
822 2012-02-28  Richard Guenther  <rguenther@suse.de>
823
824         PR tree-optimization/52395
825         * tree-sra.c (build_ref_for_offset): Also look at the base
826         TYPE_ALIGN when figuring out the alignment of the replacement.
827
828 2012-02-28  Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/52402
831         * ipa-prop.c (ipa_modify_call_arguments): Properly use
832         mis-aligned types when creating the accesses at the call site.
833
834 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
835
836         * config/avr/builtins.def: New file.
837         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
838         * config/avr/avr.c (enum avr_builtin_id): Use it.
839         (avr_init_builtins): Use it. And use avr_bdesc.
840         (bdesc_1arg): Remove.
841         (bdesc_2arg): Remove.
842         (bdesc_3arg): Remove.
843         (struct avr_builtin_description): Add field n_args.
844         (avr_bdesc): New static variable using builtins.def.
845         (avr_expand_builtin): Use it.
846         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
847         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
848         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
849
850 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
851
852         PR target/52148
853         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
854         match only one single hard register with respective hard reg rtx.
855         (movmemx_<mode>): Ditto.
856         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
857         insn anatomy of movmem[x]_<mode>.
858         (avr_out_movmem): Same for printing assembler and operand usage.
859
860 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
861
862         PR target/49868
863         PR target/52261
864         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
865         address spaces located outside of device flash.
866
867         * config/avr/avr.h (base_arch_s): Remove field n_segments.
868         (mcu_type_s): Add field n_flash.
869         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
870         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
871         (AVR_MCU): Add N_FLASH argument.
872         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
873         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
874         macro __FLASH<n> if that address space makes sense for the device.
875         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
876         outside of target flash.
877         (avr_asm_named_section): Ditto.
878         (avr_asm_select_section): Ditto.
879         (avr_addr_space_convert): Ditto.
880         (avr_emit_movmemhi): Ditto.
881         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
882         address space is outside of device flash.
883         (avr_insert_attributes): Ditto.
884         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
885         avr_current_arch->n_segments.
886
887 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
888
889         PR target/52352
890         * config/i386/i386.md (*movabs<mode>_1): Enable only for
891         TARGET_LP64.
892         (*movabs<mode>_2): Likewise.
893
894 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
895
896         PR target/52375
897         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
898         s_register_operand in the test instead of REG_P.  Don't call
899         gen_reg_rtx if it won't be used.
900
901         PR tree-optimization/52376
902         * ipa-split.c (split_function): Ignore CLOBBER stmts.
903
904 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
905
906         * ifcvt.c (noce_get_condition): Check condition variable is not
907         small_register_classes_for_mode_p before accepting.
908
909 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
910
911         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
912
913 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
914
915         Revert:
916         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
917         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
918         tuning parameters.
919         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
920
921 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
922
923         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
924
925 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
926
927         * config/sh/predicates.md: Remove blank lines.
928         * config/sh/sh.c: Fix typos in comments.
929         * config/sh/constraints.md: Likewise.
930         * config/sh/sh.md: Remove blank lines.
931         Fix typos in comments.  Use ;; as comment characters.
932
933 2012-02-26  Walter Lee  <walt@tilera.com>
934
935         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
936         (replace_mov_pcrel_step2): Ditto.
937
938 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
939
940         PR debug/52001
941         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
942         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
943         and locs that reference values newer than the non-canonical value
944         at hand.  Return the canonical value as a worst case.
945         (memrefs_conflict_p): Walk canonical value's locs.
946
947         PR debug/52001
948         * cselib.c (preserve_only_constants): Rename to...
949         (preserve_constants_and_equivs): ... this.  Split out...
950         (invariant_or_equiv_p): ... this.  Preserve plus expressions
951         of other preserved expressions too.
952         (cselib_reset_table): Adjust.
953         * var-tracking.c (reverse_op): Use canonical value to build
954         reverse operation.
955
956 2012-02-23  Kai Tietz  <ktietz@redhat.com>
957
958         * config/i386/i386.c (ix86_delegitimize_address): Handle
959         UNSPEC_PCREL plus displacement.
960
961 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
962
963         PR target/52261
964         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
965         to test for unusedness in st X addressing.
966
967 2012-02-24  Richard Guenther  <rguenther@suse.de>
968
969         PR middle-end/52361
970         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
971         (is_gimple_reg_type): Move inline ...
972         * gimple.h (is_gimple_reg_type): ... here.
973
974 2012-02-24  Richard Guenther  <rguenther@suse.de>
975
976         PR middle-end/52361
977         * passes.c (execute_function_todo): When verifying SSA form
978         verify gimple form first.
979         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
980
981 2012-02-24  Richard Guenther  <rguenther@suse.de>
982
983         PR middle-end/52355
984         * fold-const.c (fold_addr_of_array_ref_difference): New function.
985         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
986
987 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
988
989         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
990
991 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
992
993         * tree-phinodes.c (make_phi_node): Mark static.
994         * tree-flow.h (make_phi_node): Remove extern decl.
995         * doc/gimple.texi (make_phi_node): Remove documentation.
996
997 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
998
999         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1000         * tree-ssa-sccvn.c (print_scc): Ditto.
1001
1002 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1003
1004         * doc/passes.texi (Full redundancy elimination): Fix typo.
1005
1006 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1007
1008         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1009
1010 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1011
1012         PR bootstrap/52287
1013         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1014
1015 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1016
1017         PR c/52290
1018         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1019
1020 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1021
1022         * config/avr/avr.md (code_stdname): Add ior, xor.
1023         (xior): New code iterator.
1024         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1025         (*<code_stdname><mode>qi.byte1-3): Ditto.
1026
1027 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1028
1029         PR tree-optimization/52019
1030         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1031         CLOBBER stmts.
1032
1033 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1034
1035         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1036         HAVE_INITFINI_ARRAY to work around namespace pollution in
1037         certain versions of newlib system headers.
1038         * config.in: Regenerate.
1039         * configure: Regenerate.
1040         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1041         instead of HAVE_INITFINI_ARRAY.
1042
1043 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1044
1045         PR target/52330
1046         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1047         is not offsettable memory reference.
1048
1049 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1050
1051         PR target/18145
1052         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1053         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1054
1055 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1056
1057         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1058         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1059
1060 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1061
1062         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1063         library on Solaris 8 even without TLS support.
1064         * configure: Regenerate.
1065
1066 2012-02-22  Richard Guenther  <rguenther@suse.de>
1067
1068         PR middle-end/52329
1069         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1070         for GIMPLE_DEBUG stmts.
1071
1072 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1073
1074         PR middle-end/51782
1075         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1076         according to the base object.
1077
1078 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1079
1080         PR rtl-optimization/50063
1081         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1082         and 2 (8-bit SP) in operand 2.
1083         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1084         setup to use movhi_sp_r instead of vanilla move to write SP.
1085         Adjust REG_CFA notes to superseed unspec.
1086         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1087         of vanilla move.
1088         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1089         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1090         irq_state 1 (IRQ known to be on) here.
1091
1092 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1093
1094         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1095         WORDS_BIG_ENDIAN.
1096         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1097         assign_hard_reg): Likewise.
1098
1099 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1100
1101         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1102
1103 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1104
1105         * config/avr/avr.md
1106         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1107         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1108
1109 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1110
1111         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1112         prototype from here to...
1113         * config/avr/avr.h: ...here.
1114
1115 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1116
1117         PR target/52294
1118         * thumb2.md (thumb2_shiftsi3_short): Split register and
1119         immediate shifts.  For register shifts tie operands 0 and 1.
1120         (peephole2 for above): Check that register-controlled shifts
1121         have suitably tied operands.
1122
1123 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1124
1125         PR target/52137
1126         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1127         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1128         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1129         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1130         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1131         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1132         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1133         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1134         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1135         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1136         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1137         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1138         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1139         bdver1_ssevector_avx256_unaligned_load,
1140         bdver1_ssevector_sse128_unaligned_load,
1141         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1142         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1143         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1144         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1145         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1146         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1147         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1148         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1149         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1150         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1151         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1152         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1153         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1154         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1155         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1156         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1157         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1158         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1159         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1160         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1161         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1162         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1163         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1164         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1165         bdver1_ssediv_double_load, bdver1_ssediv_double,
1166         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1167         Add "bdver2" attribute.
1168
1169 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1170
1171         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1172         default if possible and not specified otherwise.
1173
1174 2012-02-21  Richard Guenther  <rguenther@suse.de>
1175
1176         PR middle-end/52314
1177         * gimplify.c (create_tmp_from_val): Use the main variant type
1178         for the type of the temporary we create.
1179
1180 2012-02-21  Richard Guenther  <rguenther@suse.de>
1181
1182         PR tree-optimization/52324
1183         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1184         do not gimplify a MEM_REF address operand if it is already
1185         in suitable form.
1186
1187 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1188
1189         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1190         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1191
1192 2012-02-21  Richard Guenther  <rguenther@suse.de>
1193
1194         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1195         nested_in_vect_loop.
1196
1197 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1198
1199         PR tree-optimization/52318
1200         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1201         vdef also to non-pure/const call stmts in the sequence.
1202
1203 2012-02-20  David S. Miller  <davem@davemloft.net>
1204
1205         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1206         don't use the "rd %pc" instruction on v9 for PIC register loads.
1207
1208 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1209
1210         PR middle-end/52141
1211         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1212         in a transaction safe function.
1213
1214 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1215
1216         PR target/52238
1217         * stor-layout.c (place_field): Handle desired_align for
1218         ms-bitfields, too.
1219
1220 2012-02-20  Richard Guenther  <rguenther@suse.de>
1221
1222         PR tree-optimization/52298
1223         * tree-vect-stmts.c (vectorizable_store): Properly use
1224         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1225         outer loops.
1226         (vectorizable_load): Likewise.
1227         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1228         Access DR_STEP after ensuring it is not NULL.
1229
1230 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1231
1232         PR tree-optimization/52286
1233         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1234         optimization use double_int_to_tree instead of build_int_cst_wide,
1235         rewrite to use double_int vars.
1236
1237 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1238
1239         PR target/50166
1240         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1241         Define _start.
1242         Remove -e 0 from $gcc_cv_ld invocation.
1243         Only use __GLIBC_PREREQ if defined.
1244         Enable on Solaris since Solaris 8 patch.
1245         (gcc_SUN_LD_VERSION): New macro.
1246         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1247         gcc_SUN_LD_VERSION for version number format.
1248         * configure: Regenerate.
1249         * varasm.c (get_elf_initfini_array_priority_section): Set
1250         SECTION_NOTYPE for non-default priority.
1251         Use get_section instead of get_unnamed_section to emit
1252         .init_array/.fini_array with default priority.
1253
1254 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1255
1256         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1257         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1258         (mips_start_unique_function, mips_output_mips16_rdhwr)
1259         (mips_code_end): New functions.
1260         (TARGET_ASM_CODE_END): Define.
1261
1262 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1263
1264         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1265         to stubs with non-sibling calls.
1266
1267 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1268
1269         * doc/invoke.texi (-fira-* options): Copy-edit.
1270         (ira-* parameters): Copy-edit.
1271
1272 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1273
1274         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1275         GCC coding conventions.
1276
1277 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1278
1279         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1280         when used as adjectives.
1281
1282 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1283
1284         * doc/invoke.texi: Clean up "that"/"which" confusion.
1285
1286 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1287
1288         * system.h: Poison SMALL_REGISTER_CLASSES
1289         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1290         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1291
1292 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1293
1294         PR tree-optimization/52285
1295         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1296         when deciding if a call is a tail call or tail recursion.
1297
1298 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1299
1300         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1301         interger-constant displacement for UNSPEC_PCREL.
1302
1303 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1304
1305         PR rtl-optimization/52208
1306         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1307         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1308
1309         PR tree-optimization/52255
1310         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1311         loop->header has virtual PHI, but exit_e->dest doesn't, add
1312         virtual PHI to exit_e->dest and adjust all uses after the loop.
1313
1314         PR debug/52260
1315         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1316         children with clone_tree_hash, not after it.
1317
1318 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1319
1320         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1321         extended identifiers.
1322
1323 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1324
1325         PR middle-end/51929
1326         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1327         a same_body_alias, also test whether e->callee isn't a former
1328         or current clone of the decl this is a same body alias of.
1329
1330         PR translation/52264
1331         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1332
1333 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1334
1335         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1336
1337 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1338
1339         PR target/52199
1340         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1341         force_reg instead of copy_to_reg for better optimization.  Force
1342         non-register or memory operands into a register.
1343
1344 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1345
1346         * extend.texi: Reserve upper bits of memory model for future use.
1347
1348 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1349             Anatoly Sokolov <aesok@post.ru>
1350             Eric Weddington <eric.weddington@atmel.com>
1351
1352         PR target/52261
1353         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1354         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1355         Rewrite initializers for .macro.
1356         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1357         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1358         atxmega32d4, atxmega32x1.
1359         avrxmega4: atxmega64a3, atxmega64d3.
1360         avrxmega5: atxmega64a1, atxmega64a1u.
1361         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1362         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1363         avrxmega7: atxmega128a1, atxmega128a1u.
1364         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1365         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1366         (struct base_arch_s): Rename reserved to xmega_p.
1367         Rename reserved2 to have_rampd.
1368         (AVR_XMEGA): New define.
1369         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1370         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1371         * config/avr/predicates.md (io_address_operand): Take into
1372         account SFR offset.
1373         (low_io_address_operand): Ditto.
1374         (high_io_address_operand): Ditto.
1375         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1376         (enabled, movhi_sp_r): Use them.
1377         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1378         cpp_define_formatted to built-in define __AVR_ARCH__.
1379         (__AVR_XMEGA__): New built-in define.
1380         (__AVR_HAVE_RAMPD__): New built-in define.
1381         (__AVR_HAVE_RAMPX__): New built-in define.
1382         (__AVR_HAVE_RAMPY__): New built-in define.
1383         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1384
1385         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1386         (avr_option_override): Initialize them.
1387         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1388         (avr_init_expanders): Initialize them. No more block several calls.
1389         (emit_push_sfr): New static function.
1390         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1391         Handle AVR_XMEGA.
1392         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1393         (avr_print_operand): Print addreeses as symbols for
1394         RAMPX, RAMPY, RAMPD, CCP.
1395         (output_movhi): Handle AVR_XMEGA when writing to SP.
1396         (avr_out_movhi_mr_r_xmega): New static function.
1397         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1398         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1399         __RAMPD__,  __CCP__ as needed.
1400
1401         * config/avr/multilib.h: Regenerate.
1402         * config/avr/t-multilib: Regenerate.
1403         * config/avr/avr-tables.opt: Regenerate.
1404
1405 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1406
1407         PR tree-optimization/50561
1408         * graphite-flattening.c (lst_project_loop): Do not
1409         remove old scattering dimensions after flattening.
1410         (lst_do_flatten): Likewise.
1411
1412 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1413
1414         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1415         __builtin_avr_map8, __builtin_avr_map16.
1416         Document __builtin_avr_insert_bits.
1417
1418         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1419         (insert_bits): New insn.
1420         (adjust_len.map_bits): Rename to insert_bits.
1421         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1422         * avr-protos.h (avr_out_map_bits): Remove.
1423         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1424         * config/avr/constraints.md (Cxf,C0f): New.
1425         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1426         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1427         New built-in define __BUILTIN_AVR_INSERT_BITS.
1428         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1429         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1430         (avr_move_bits): Rewrite.
1431         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1432         functions.
1433         (avr_map_op_t): New typedef.
1434         (avr_map_op): New static variable.
1435         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1436         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1437         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1438         (bdesc_3arg, avr_expand_triop_builtin): New.
1439         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1440         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1441         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1442         (avr_map_equal_p, avr_map_sig_p): Remove.
1443         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1444         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1445         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1446         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1447         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1448         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1449
1450 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1451
1452         * config/c6x/c6x.md (reserve_cycles): New attribute.
1453         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1454         don't reserve functional units after the branch occurs.
1455
1456 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1457
1458         PR middle-end/52142
1459         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1460         functions into non-tm_pure functions.
1461
1462 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1463
1464         PR lto/52178
1465         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1466         (iterative_hash_canonical_type): Likewise.
1467         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1468         the dead edges.
1469
1470 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1471
1472         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1473         sched-group insn, it either remains alone or the entire list is pruned.
1474
1475 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1476
1477         * doc/install.texi (Prerequisites): Fix grammar.
1478         (Configuration): Likewise.
1479
1480 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1481
1482         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1483         MPC as part of GCC before describing configuring with --with-gmp etc.
1484         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1485         sources are present.
1486
1487 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR debug/51950
1490         * dwarf2out.c (clone_tree_hash): New function.
1491         (copy_decls_walk): Use it instead of clone_tree.
1492
1493 2012-02-14  Richard Guenther  <rguenther@suse.de>
1494
1495         PR tree-optimization/52244
1496         PR tree-optimization/51528
1497         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1498         replacements for integral types.
1499
1500 2012-02-14  Walter Lee  <walt@tilera.com>
1501
1502         * config.gcc: Handle tilegx and tilepro.
1503         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1504         tilegx and tilepro.
1505         Add HAVE_AS_TLS check for tilegx and tilepro.
1506         * configure: Regenerate.
1507         * doc/contrib.texi: Add Mat Hostetter and self.
1508         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1509         Document instruction intrinsics and network accessing intrinsics.
1510         (TILEPro Built-in Functions): New node.  Document instruction
1511         intrinsics and network accessing intrinsics.
1512         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1513         (Specific, tilepro-*-linux*): Likewise.
1514         * doc/invoke.texi (TILE-Gx Options): New section.
1515         (TILEPro Options): New section.
1516         * doc/md.texi (TILE-Gx): New section.
1517         (TILEPro): New section.
1518         * common/config/tilegx/tilegx-common.c: New file.
1519         * common/config/tilepro/tilepro-common.c: New file.
1520         * config/tilegx/constraints.md: New file.
1521         * config/tilegx/linux.h: New file.
1522         * config/tilegx/mul-tables.c: New file.
1523         * config/tilegx/predicates.md: New file.
1524         * config/tilegx/sync.md: New file.
1525         * config/tilegx/t-tilegx: New file.
1526         * config/tilegx/tilegx-builtins.h: New file.
1527         * config/tilegx/tilegx-c.c: New file.
1528         * config/tilegx/tilegx-generic.md: New file.
1529         * config/tilegx/tilegx-modes.def: New file.
1530         * config/tilegx/tilegx-multiply.h: New file.
1531         * config/tilegx/tilegx-protos.h: New file.
1532         * config/tilegx/tilegx.c: New file.
1533         * config/tilegx/tilegx.h: New file.
1534         * config/tilegx/tilegx.md: New file.
1535         * config/tilegx/tilegx.opt: New file.
1536         * config/tilepro/constraints.md: New file.
1537         * config/tilepro/gen-mul-tables.cc: New file.
1538         * config/tilepro/linux.h: New file.
1539         * config/tilepro/mul-tables.c: New file.
1540         * config/tilepro/predicates.md: New file.
1541         * config/tilepro/t-tilepro: New file.
1542         * config/tilepro/tilepro-builtins.h: New file.
1543         * config/tilepro/tilepro-c.c: New file.
1544         * config/tilepro/tilepro-generic.md: New file.
1545         * config/tilepro/tilepro-modes.def: New file.
1546         * config/tilepro/tilepro-multiply.h: New file.
1547         * config/tilepro/tilepro-protos.h: New file.
1548         * config/tilepro/tilepro.c: New file.
1549         * config/tilepro/tilepro.h: New file.
1550         * config/tilepro/tilepro.md: New file.
1551         * config/tilepro/tilepro.opt: New file.
1552
1553 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1554
1555         PR tree-optimization/52210
1556         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1557         vect_model_simple_cost with two entry vect_def_type array instead
1558         of an address of dt.
1559
1560 2012-02-14  Richard Guenther  <rguenther@suse.de>
1561
1562         PR lto/52178
1563         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1564         Do not stream DECL_QUALIFIER.
1565         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1566         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1567         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1568
1569 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1570
1571         PR c/52181
1572         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1573         newdecl.
1574
1575 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1576
1577         PR bootstrap/52172
1578         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1579         * cselib.c (cselib_subst_to_values_from_insn): New function.
1580         * sched-deps.c (add_insn_mem_dependence,
1581         sched_analyze_1, sched_analyze_2): Use it.
1582
1583 2012-02-13  Jan Hubicka  <jh@suse.cz>
1584
1585         PR middle-end/52214
1586         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1587
1588 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1589
1590         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1591         (GTM_SELF_SPECS): Define if not already defined.
1592         (driver_self_specs): Add GTM_SELF_SPECS.
1593         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1594         (GTM_SELF_SPECS): Define.
1595         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1596         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1597
1598 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1599
1600         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1601         away if seen.
1602
1603         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1604
1605         PR middle-end/52230
1606         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1607         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1608
1609 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1610
1611         PR c/52190
1612         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1613
1614 2012-02-13  Richard Guenther  <rguenther@suse.de>
1615
1616         PR translation/52211
1617         * passes.c (enable_disable_pass): Fix typo.
1618
1619 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR middle-end/52209
1622         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1623         XOR for reduce_bit_field if type is unsigned.
1624
1625 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1626
1627         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1628         disallow changes from SFmode to mode with different size in FP regs.
1629
1630 2012-02-12  Robert Millan  <rmh@gnu.org>
1631             Gerald Pfeifer <gerald@pfeifer.com>
1632
1633         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1634         Tweak comment.
1635
1636 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1637
1638         PR rtl-optimization/52175
1639         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1640         to frame-related instructions.
1641
1642 2012-02-10  Jason Merrill  <jason@redhat.com>
1643
1644         PR c++/51910
1645         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1646         (demangle_new_symbols): Fill it.
1647         (scan_linker_output): Walk it.
1648         (start_tweaking): Split out from scan_linker_output.
1649         (maybe_tweak): Update sym->chosen.
1650         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1651
1652 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR debug/52132
1655         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1656
1657 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1658
1659         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1660         having the same mode as previous compare.
1661
1662 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1663
1664         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1665         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1666         (nonlocal_goto_internal): Likewise.
1667         (nonlocal_goto): Emit a use and an indirect jump directly.
1668
1669 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1670
1671         PR c/52190
1672         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1673         __atomic_{is,always}_lock_free.
1674
1675 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1676
1677         PR target/52146
1678         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1679         negative constant address for x32.
1680
1681 2012-02-10  Richard Henderson  <rth@redhat.com>
1682
1683         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1684         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1685         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1686
1687 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1688             Ira Rosen  <irar@il.ibm.com>
1689
1690         PR tree-optimization/50031
1691         * targhooks.c (default_builtin_vectorization_cost): Handle
1692         vec_promote_demote.
1693         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1694         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1695         all types of reduction and pattern statements.
1696         (vect_estimate_min_profitable_iters): Likewise.
1697         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1698         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1699         for explicit realigns.
1700         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1701         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1702         vec_promote_demote.
1703         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1704         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1705         vec_perm for VSX and handle vec_promote_demote.
1706
1707 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1708
1709         PR middle-end/52177
1710         * builtins.c (fold_builtin_atomic_always_lock_free,
1711         expand_builtin_atomic_always_lock_free,
1712         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1713         Return and/or test boolean_true_node/boolean_false_node instead of
1714         integer_one_node/integer_zero_node.
1715
1716 2012-02-10  Jan Hubicka  <jh@suse.cz>
1717
1718         PR middle-end/48600
1719         * predict.c (predict_paths_for_bb): Prevent looping.
1720         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1721
1722 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1723
1724         * config/arm/arm.c (output_move_double): In one case properly
1725         count number of instructions that will be emitted.
1726
1727 2012-02-10  Richard Guenther  <rguenther@suse.de>
1728
1729         PR translation/52193
1730         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1731
1732 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1733
1734         PR middle-end/52140
1735         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1736
1737 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1738
1739         PR debug/52165
1740         * var-tracking.c (emit_note_insn_var_location): If
1741         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1742         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1743         non-NOTE_DURING_CALL_P insn.
1744
1745 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1746
1747         PR middle-end/51867
1748         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1749
1750 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1751
1752         PR driver/48524
1753         * gcc.c (switch_matches) Support switches with separated form,
1754         -D and -U.
1755
1756 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1757
1758         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1759         (SP_ADDR): Ditto.
1760         (RAMPZ_ADDR): Ditto.
1761         * config/avr/avr.c (avr_addr_t): New typedef.
1762         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1763         (avr_init_expanders): Initialize it.
1764         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1765         SREG_ADDR.
1766         (expand_epilogue): Ditto.
1767         (avr_print_operand): Ditto.
1768         (avr_file_start): Ditto.
1769         (avr_emit_movmemhi): Ditto.
1770
1771 2012-02-08  Richard Guenther  <rguenther@suse.de>
1772
1773         PR tree-optimization/46886
1774         * tree-flow.h (do_while_loop_p): Declare.
1775         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1776         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1777
1778 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1779
1780         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1781         always succeed for integers larger than a native word.
1782
1783 2012-02-08  Richard Guenther  <rguenther@suse.de>
1784
1785         PR rtl-optimization/52170
1786         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1787         properly handle integer vector modes.
1788
1789 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR gcov-profile/52150
1792         * coverage.c: Include target.h.
1793         (build_var): Call targetm.strip_name_encoding on the assembler name.
1794         Change one _ into . or $ if the target allows it.
1795         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1796
1797         PR rtl-optimization/52139
1798         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1799         is a BARRIER after emit_insn_after_noloc, move BB_END
1800         to the last non-BARRIER insn before it.
1801
1802 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1803
1804         PR middle-end/24306
1805         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1806         (mips_gimplify_va_arg_expr): Call it instead of
1807         std_gimplify_va_arg_expr.
1808
1809 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1810
1811         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1812         message for -mno-pointers-to-nested-function.
1813
1814 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1815
1816         PR middle-end/51994
1817         * expr.c (get_inner_reference): If there is an offset, add a negative
1818         bit position to it (if any).
1819
1820 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1821
1822         PR rtl-optimization/52060
1823         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1824         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1825         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1826         and/or i0src_copy2 when needed.
1827
1828 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1829
1830         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1831         or LTOPLUGINSONAME if have_c.
1832
1833         * config/freebsd-spec.h: Add comment about what macros can be defined
1834         in this header.
1835         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1836         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1837         here instead.
1838
1839 2012-02-07  Richard Guenther  <rguenther@suse.de>
1840
1841         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1842         newline in -alias dumps.
1843
1844 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1845             Dave Korn  <dave.korn.cygwin@gmail.com>
1846
1847         PR target/40068
1848         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1849         Take care that typinfo gets dllexport-attribute.
1850
1851 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1852
1853         PR middle-end/52074
1854         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1855         if modifier < EXPAND_SUM call force_operand on the result.
1856
1857 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1858
1859         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1860         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1861         present.
1862         (epiphany_function_type): Replace types for specific interrupts with
1863         EPIPHANY_FUNCTION_INTERRUPT.
1864         (EPIPHANY_INTERRUPT_P): Update.
1865         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1866         New static function.
1867         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1868         <disinterrupt>: Affects type identity.
1869         (epiphany_handle_interrupt_attribute): Handle variable number of
1870         arguments.
1871         (epiphany_compute_function_type): Update for new
1872         epiphany_function_type definition.
1873         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1874         handlers with a longcall forwarder.
1875         (epiphany_start_function): Handle multiple interrupt arguments and/or
1876         forwarder_section attribute.
1877
1878         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1879         libgloss.
1880
1881 2012-02-07  Alan Modra  <amodra@gmail.com>
1882
1883         PR target/52107
1884         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1885         subregs of TFmode.
1886
1887 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1888
1889         PR tree-optimization/50969
1890         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1891         use vec_perm rather than vector_stmt.
1892         (vect_model_load_cost): Likewise.
1893         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1894         vec_perm to be the same as other vector statements.
1895         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1896         cost of vec_perm for TARGET_VSX.
1897
1898 2012-02-06  Richard Guenther  <rguenther@suse.de>
1899
1900         PR tree-optimization/52115
1901         * tree-sra.c (access_has_replacements_p): New function.
1902         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1903
1904 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1905
1906         PR middle-end/52047
1907         * trans-mem.c (expand_call_tm): Add an assertion.
1908         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1909         functions.
1910
1911 2012-02-06  Richard Guenther  <rguenther@suse.de>
1912
1913         PR tree-optimization/50955
1914         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1915         raise cost of expressions that replace an address with an
1916         expression based on a different pointer.
1917
1918 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1919
1920         PR target/52129
1921         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1922         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1923
1924 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1925
1926         PR c++/48680
1927         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1928         -Weffc++ and specify guidelines come from second edition.
1929
1930 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1931
1932         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1933         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1934         (call_direct_split, call_value_split, call_value_internal_direct)
1935         (call_value_direct_split, call_value_multiple_split): Use jal and
1936         jal_macro attributes.
1937
1938 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1939
1940         * reload1.c (reload_regs_reach_end_p): Replace with...
1941         (reload_reg_rtx_reaches_end_p): ...this function.
1942         (new_spill_reg_store): Update commentary.
1943         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1944         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1945         before setting new_spill_reg_store.
1946         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1947         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1948         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1949         for non-spill reload registers.
1950
1951 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1952
1953         PR tree-optimization/52091
1954         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1955         (vect_is_simple_use_1): Likewise.
1956         * tree-vect-loop.c (vectorizable_reduction): Update calls
1957         to vect_is_simple_use_1 and vect_is_simple_use.
1958         (vectorizable_live_operation): Likewise.
1959         * tree-vect-patterns.c (widened_name_p,
1960         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1961         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1962         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1963         vectorizable_shift,vectorizable_operation, vectorizable_store,
1964         vectorizable_load): Likewise.
1965         (vect_is_simple_cond): Add an argument, pass it to
1966         vect_is_simple_use_1.
1967         (vectorizable_condition): Update calls to vect_is_simple_cond,
1968         vect_is_simple_use.
1969         (vect_is_simple_use): Add an argument, the statement in which
1970         OPERAND is used.  Check that if OPERAND's def stmt is a double
1971         reduction phi node, the use is a phi node too.
1972         (vect_is_simple_use_1): Add an argument, pass it to
1973         vect_is_simple_use.
1974         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1975         to vect_is_simple_use.
1976
1977 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1978
1979         PR rtl-optimization/52095
1980         * modulo-sched.c (dump_insn_locator): New function.
1981         (loop_canon_p, sms_schedule): Use it.
1982
1983         PR rtl-optimization/52113
1984         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1985         even for decomposable shift/zext insns.
1986
1987 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1988             Zdenek Dvorak  <ook@ucw.cz>
1989
1990         PR rtl-optimization/52092
1991         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1992         on get_iv_value result.
1993
1994 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1995
1996         PR middle-end/47982
1997         PR middle-end/43967
1998         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1999
2000 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2001
2002         PR middle-end/48071
2003         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2004
2005 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2006
2007         PR rtl-optimization/49800
2008         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2009         (sched_finish): Call regstat_free_n_sets_and_refs.
2010
2011 2012-02-02  Jia Liu  <proljc@gmail.com>
2012
2013         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2014         than operand 2.
2015
2016 2012-02-02  Jan Hubicka  <jh@suse.cz>
2017             Tom de Vries  <tom@codesourcery.com>
2018
2019         PR middle-end/51998
2020         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2021         * varpool.c (varpool_analyze_pending_decls): Likewise.
2022
2023 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2024             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2025
2026         * config.gcc: Add cr16-* support.
2027
2028         * doc/extend.texi: Document cr16 extensions.
2029         * doc/install.texi: Document cr16 install.
2030         * doc/invoke.texi: Document cr16 options.
2031         * doc/md.texi: Document cr16 constraints.
2032
2033         * common/config/cr16/cr16-common.c: New file.
2034         * config/cr16/cr16.c: New file.
2035         * config/cr16/cr16.h: New file.
2036         * config/cr16/cr16.md: New file.
2037         * config/cr16/cr16.opt: New file.
2038         * config/cr16/cr16-protos.h: New file.
2039         * config/cr16/predicates.md: New file.
2040         * config/cr16/constraints.md: New file.
2041         * config/cr16/t-cr16: New file.
2042
2043 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2044
2045         PR target/52086
2046         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2047         that operands[2] is either immediate, or q_regs_operand.
2048
2049         PR tree-optimization/52073
2050         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2051         a pattern stmt for pattern uses, ignore uses outside of the loop.
2052
2053 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2054
2055         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2056         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2057         (OUT_AS1, OUT_AS2): Remove.
2058
2059 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2060
2061         PR rtl-optimization/51374
2062         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2063         to cross other volatile_refs_p insns.
2064
2065 2012-02-01  Richard Guenther  <rguenther@suse.de>
2066
2067         * doc/invoke.texi (fno-inline): Clarify documentation.
2068         (finline-small-functions): Likewise.
2069         (finline-functions): Likewise.
2070         * common.opt (finline): Adjust comment and documentation.
2071         (finline-small-functions): Clarify documentation.
2072         (finline-functions): Likewise.
2073         (finline-functions-called-once): Likewise.
2074
2075 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2076
2077         * c-typeck.c (composite_type): Keep mode for pointers.
2078
2079 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2080
2081         * function.h (regno_reg_rtx): Adjust comment.
2082         * reginfo.c (init_reg_modes_target): Only use the previous mode
2083         if it fits within one register.  Remove MIPS comment.
2084
2085 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2086
2087         PR bootstrap/52058
2088         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2089
2090 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2091
2092         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2093         to srak instruction.
2094
2095 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2096
2097         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2098
2099 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2100
2101         PR bootstrap/52041
2102         PR bootstrap/52039
2103         PR target/51974
2104         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2105
2106 2012-01-31  Richard Guenther  <rguenther@suse.de>
2107
2108         PR tree-optimization/51528
2109         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2110         assigns.
2111
2112 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2113
2114         PR bootstrap/52041
2115         PR bootstrap/52039
2116         PR target/51974
2117         * ree.c (add_removable_extension): Change def_map argument
2118         to unsigned *, store in def_map 1 + offset into *insn_list vector
2119         instead of pointers into the vector.
2120         (find_removable_extensions): Adjust caller.
2121
2122 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2123
2124         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2125         Transform all "* quoted-c-code" to { c-code }.
2126         Remove redundant test for "optimize" in combine patterns.
2127         Move (include "avr-dimode.md") to end of file.
2128
2129 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2130
2131         PR target/51835
2132         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2133         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2134
2135 2012-01-30  Richard Guenther  <rguenther@suse.de>
2136
2137         PR tree-optimization/52028
2138         * tree-loop-distribution.c (ldist_gen): Properly update
2139         virtual SSA form.
2140
2141 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2142
2143         PR debug/52027
2144         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2145         set_cur_line_info_table if not emitting debug info.
2146
2147         PR tree-optimization/52046
2148         * tree-vect-patterns.c (check_bool_pattern): Give up if
2149         a comparison could throw.
2150
2151         PR debug/52048
2152         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2153
2154 2012-01-30  Richard Guenther  <rguenther@suse.de>
2155
2156         PR tree-optimization/52045
2157         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2158         SSA form if cfgcleanup did anything.
2159
2160 2012-01-30  Richard Guenther  <rguenther@suse.de>
2161
2162         PR tree-optimization/52045
2163         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2164         before computing final todo.
2165
2166 2012-01-30  Richard Guenther  <rguenther@suse.de>
2167
2168         PR tree-optimization/51528
2169         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2170         for PR51528 fix.
2171
2172 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2173
2174         * df-problems.c (df_kill_notes): Check that the use refers
2175         to the note under examination.
2176
2177 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2178
2179         PR target/51920
2180         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2181         parameter and use short-lived pseudos.
2182         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2183         (sparc_expand_vector_init): Const-ify local variables and adjust
2184         calls to above functions.
2185
2186 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2187
2188         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2189
2190 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2191
2192         * doc/invoke.texi: Make usage of "compile time" and
2193         "run time"/"runtime" consistent throughout the file.
2194
2195 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2196
2197         * config/alpha/alpha.c (alpha_option_override): Default to
2198         full IEEE compliance mode for Go language.
2199
2200 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2201
2202         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2203         (LINK_SSP_SPEC): Define.
2204
2205 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2206
2207         PR target/51871
2208         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2209         stubs.
2210
2211 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2212
2213         * doc/invoke.texi: Correct hyphenation of "floating point",
2214         "double precision", and related terminology throughout the file.
2215
2216 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2217
2218         PR target/52006
2219         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2220         arm_general_register_operand predicate for operand 2 instead of
2221         register_operand.
2222
2223 2012-01-27  Ian Lance Taylor  <iant@google.com>
2224
2225         PR go/47656
2226         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2227         * builtins.c (expand_builtin_init_trampoline): Add onstack
2228         parameter.  Change caller.
2229         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2230         * tree.c (build_common_builtin_nodes): Declare
2231         __builtin_init_heap_trampoline.
2232
2233 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2234
2235         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2236         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2237         * config/avr/avr.c: Ditto.
2238         (avr_regnames): Remove because unused.
2239         * config/avr/avr.md (*cpse.ne): New peephole.
2240         (*cpse.eq): New peephole from former cpse peepholes.
2241
2242 2012-01-27  Michael Eager  <eager@eagercon.com>
2243
2244         * config/microblaze.c (microblaze_emit_compare): Correct
2245         test after pcmp instruction.
2246
2247 2012-01-27  Richard Guenther  <rguenther@suse.de>
2248
2249         PR tree-optimization/52020
2250         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2251
2252 2012-01-27  Richard Guenther  <rguenther@suse.de>
2253
2254         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2255         function non-const/pure.
2256
2257 2012-01-27  Richard Guenther  <rguenther@suse.de>
2258
2259         PR tree-optimization/50444
2260         * tree-sra.c (build_ref_for_offset): Properly adjust the
2261         MEM_REF type for unaligned accesses.
2262
2263 2012-01-27  Richard Guenther  <rguenther@suse.de>
2264
2265         PR tree-optimization/50444
2266         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2267         (expand_assignment): Use it.  Properly handle misaligned
2268         bases when expanding stores to component references.
2269         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2270         refactor that case.
2271
2272 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2273
2274         PR middle-end/51389
2275         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2276         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2277         * tree-data-ref.c (find_data_references_in_loop): Make static.
2278         (compute_all_dependences): Change return type to bool.  Bail out
2279         for too many datarefs in a loop.  Move the hunk resetting the data
2280         dependences vector from ...
2281         (compute_data_dependences_for_loop): ... here.  Account for
2282         compute_all_dependences returning false.
2283         (compute_data_dependences_for_bb): Likewise.
2284         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2285         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2286
2287 2012-01-27  Richard Guenther  <rguenther@suse.de>
2288
2289         PR middle-end/51959
2290         * expr.c (store_field): Use the alias-set of the scratch memory
2291         for storing to it.
2292
2293 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2294
2295         PR tree-optimization/51990
2296         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2297         WITH_SIZE_EXPR.
2298         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2299
2300 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2301
2302         PR debug/52001
2303         * var-tracking.c (reverse_op): Don't add any reverse operation
2304         if V already has any constant locations.
2305
2306 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2307
2308         * doc/invoke.texi: Correct usage of "command line" (noun)
2309         vs "command-line" (adjective) throughout.
2310
2311 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2312
2313         * doc/invoke.texi (Language Independent Options): Move
2314         -Wcoverage-mismatch blurb from here....
2315         (Warning Options): ...to here.
2316
2317 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2318
2319         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2320         Set rs6000_always_hint to false for 476.
2321
2322 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2323
2324         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2325           system root.
2326         * incpath.c (add_standard_paths): Likewise.
2327
2328 2012-01-27  Richard Henderson  <rth@redhat.com>
2329
2330         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2331         * config/m68k/sync.md (atomic_test_and_set): Rename from
2332         sync_test_and_setqi and adjust the operands.
2333         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2334         and unconditionally enable.
2335
2336 2012-01-27  Richard Henderson  <rth@redhat.com>
2337
2338         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2339         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2340         (ldstub): Rename from ldstubqi.
2341         (ldstub<I24MODE>): Remove.
2342
2343 2012-01-27  Richard Henderson  <rth@redhat.com>
2344
2345         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2346         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2347         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2348         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2349         * doc/tm.texi: Rebuild.
2350
2351 2012-01-27  Richard Henderson  <rth@redhat.com>
2352
2353         * optabs.c (gen_atomic_test_and_set): Remove default.
2354         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2355
2356 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2357
2358         PR rtl-optimization/51978
2359         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2360         (combine_reaching_defs): Likewise.
2361         (struct re_info): Remove.
2362         (add_removable_extension): Remove x and data arguments,
2363         add insn, insn_list and def_map.  Use the arguments directly
2364         instead of using struct re_info.
2365         (find_removable_extensions): Don't call add_removable_extension
2366         through note_stores, instead just call it with single_set
2367         result if non-NULL.
2368         (find_and_remove_re): Pass curr_cand->expr instead of
2369         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2370
2371 2012-01-26  Michael Matz  <matz@suse.de>
2372
2373         PR tree-optimization/46590
2374         * cfgexpand.c: Revert last change (r183305).
2375         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2376         regs.
2377         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2378         checking for emptiness.
2379
2380 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR middle-end/51895
2383         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2384         non-addressable non-BLKmode base correctly.
2385
2386 2012-01-26  Michael Matz  <matz@suse.de>
2387
2388         PR tree-optimization/48794
2389         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2390         regions referenced from RESX/EH_DISPATCH.
2391
2392 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2393
2394         * config/s390/s390.h: Make BRANCH_COST an option.
2395         * config/s390/s390.opt: New option -mbranch-cost.
2396
2397 2012-01-26  Richard Henderson  <rth@redhat.com>
2398
2399         Revert 2012-01-24 change:
2400         * trans-mem.c (requires_barrier): Do not instrument thread local
2401         variables and emit save/restore for them.
2402
2403 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2404
2405         PR middle-end/51986
2406         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2407         for pat == 0.
2408
2409 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2410
2411         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2412         ASM_OPERANDS.
2413
2414 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2415
2416         PR target/49868
2417         Rename __pgm to __flash.
2418         Rename __pgm1 to __flash1.
2419         Rename __pgm2 to __flash2.
2420         Rename __pgm3 to __flash3.
2421         Rename __pgm4 to __flash4.
2422         Rename __pgm5 to __flash5.
2423         Rename __pgmx to __memx.
2424         * doc/extend.texi (AVR Named Address Spaces)
2425         Rename address space names as indicated above.
2426         * config/avr/avr.c (avr_addrspace): Ditto.
2427
2428         * config/avr/avr-protos.h
2429         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2430         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2431         * config/avr/predicates.md: Ditto.
2432         * config/avr/avr.c Ditto, and
2433         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2434         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2435
2436         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2437         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2438         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2439         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2440         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2441         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2442         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2443         * config/avr/avr.c: Ditto.
2444         * config/avr/avr.md: Ditto.
2445
2446 2012-01-25  Jason Merrill  <jason@redhat.com>
2447
2448         PR c++/51992
2449         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2450
2451 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2452
2453         PR tree-optimization/51987
2454         * tree-data-ref.c (get_references_in_stmt): Handle references in
2455         non-volatile GIMPLE_ASM.
2456
2457 2012-01-25  Richard Guenther  <rguenther@suse.de>
2458
2459         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2460         bases are dereferenced.
2461
2462 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2463
2464         PR rtl-optimization/48374
2465         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2466
2467 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2468
2469         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2470         compute_data_dependences_for_loop returns false.
2471         * tree-parloops.c (loop_parallel_p): Likewise.
2472
2473 2012-01-25  Richard Guenther  <rguenther@suse.de>
2474
2475         * tree.h (get_pointer_alignment_1): Declare.
2476         * builtins.c (get_pointer_alignment_1): New function.
2477         (get_pointer_alignment): Use it.
2478
2479 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2480
2481         PR rtl-optimization/48308
2482         * combine.c (enum undo_kind): Add UNDO_LINKS.
2483         (struct undo): Add member l to other_contents and where.
2484         (do_SUBST_LINK): New.
2485         (SUBST_LINK): New.
2486         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2487         (undo_all): Handle UNDO_LINKS.
2488
2489 2012-01-25  Richard Henderson  <rth@redhat.com>
2490
2491         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2492         mem inputs.
2493
2494 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2495
2496         * optabs.c (gen_atomic_test_and_set): Use each argument.
2497
2498 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2499
2500         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2501         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2502         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2503         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2504         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2505         TARGET_PAIRED_SINGLE_FLOAT.
2506
2507 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2508
2509         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2510         (in_struct, return_val): Remove MEM documentation.
2511         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2512         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2513         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2514         and MEM_SCALAR.
2515         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2516         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2517         * expr.c (store_field): Likewise.
2518         * function.c (assign_stack_temp_for_type): Likewise.
2519         * ifcvt.c (noce_try_cmove_arith): Likewise.
2520         * reload1.c (reload): Likewise.
2521         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2522         (alpha_set_memflags): Likewise.
2523         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2524
2525 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2526
2527         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2528         parameter.
2529         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2530         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2531         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2532         varies parameter.
2533         * cselib.c (cselib_rtx_varies_p): Delete.
2534         (cselib_invalidate_mem): Update call to canon_true_dependence.
2535         * dse.c (record_store, check_mem_read_rtx): Likewise.
2536         (scan_reads_nospill): Likewise.
2537         * cse.c (check_dependence): Likewise.
2538         (cse_rtx_varies_p): Delete.
2539         * expr.c (safe_from_p): Update call to true_dependence.
2540         * ira.c (validate_equiv_mem_from_store): Likewise.
2541         (memref_referenced_p): Likewise.
2542         * postreload-gcse.c (find_mem_conflicts): Likewise.
2543         * sched-deps.c (sched_analyze_2): Likewise.
2544         * store-motion.c (load_kills_store): Likewise.
2545         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2546         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2547         (compute_transp): Update call to canon_true_dependence.
2548
2549 2012-01-25  Richard Henderson  <rth@redhat.com>
2550
2551         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2552         (maybe_emit_atomic_test_and_set): New.
2553         (expand_sync_lock_test_and_set): Use it.
2554         (expand_atomic_test_and_set): Likewise.
2555         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2556         the implementation; clarify implementation defined details.
2557         * doc/md.texi (atomic_test_and_set): Document.
2558
2559 2012-01-25  Richard Henderson  <rth@redhat.com>
2560
2561         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2562
2563 2012-01-25  Richard Henderson  <rth@redhat.com>
2564
2565         PR target/51968
2566         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2567         to effect no-op split.
2568
2569 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2570
2571         PR lto/51698
2572         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2573         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2574         (BT_FN_VOID_PTR_INT_SIZE): New.
2575         (BT_FN_UINT_UINT_VAR): Remove.
2576         (BT_FN_UINT32_UINT32_VAR): New.
2577         (BT_FN_DOUBLE_VPTR): Remove.
2578         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2579
2580         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2581         (_ITM_changeTransactionMode): Same.
2582         (_ITM_memmoveRtWt): Change return type to void.
2583         (_ITM_memcpyRtWt): Same.
2584         (_ITM_memsetW): Same.
2585         (_ITM_RaRD): Change types to double.
2586         (_ITM_RD): Same.
2587         (_ITM_RaWD): Same.
2588         (_ITM_RfWD): Same.
2589
2590         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2591
2592 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2593             Patrick Marlier  <patrick.marlier@gmail.com>
2594
2595         * trans-mem.c (requires_barrier): Do not instrument thread local
2596         variables and emit save/restore for them.
2597
2598 2012-01-24  Jason Merrill  <jason@redhat.com>
2599
2600         PR c++/51812
2601         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2602         output static aliases.
2603
2604 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2605
2606         PR driver/47249
2607         * common.opt (-pie, -shared, pie, shared): Change from Common to
2608         Driver.
2609         * gcc.c (display_help): Display help for -pie and -shared.
2610
2611 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2612
2613         PR target/49868
2614         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2615         Remove note on size/offset limitation.
2616         (AVR Variable Attributes): Add example how to read data located
2617         with progmem.  Refer to named address spaces.
2618         * doc/invoke.texi (AVR Options): Fix typo.
2619
2620 2012-01-24  Richard Guenther  <rguenther@suse.de>
2621
2622         Forward-port to trunk
2623         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2624
2625         PR middle-end/45678
2626         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2627         op0 isn't sufficiently aligned and there is movmisalignM
2628         insn for mode, use it to load op0 into a temporary register.
2629
2630 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR target/51957
2633         * target.def (const_not_ok_for_debug_p): New hook.
2634         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2635         documentation.
2636         * doc/tm.texi: Regenerated.
2637         * dwarf2out.c (const_ok_for_output_1): If
2638         targetm.const_not_ok_for_debug_p returns true, fail.
2639         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2640         function.
2641         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2642
2643 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2644
2645         PR target/51900
2646         * config/i386/predicates.md (symbolic_operand): Allow
2647         UNSPEC_PCREL as PIC expression for lea.
2648         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2649         * config/i386/i386.c (ix86_delegitimize_address): Handle
2650         UNSPEC_PCREL for none-MEM, too.
2651
2652 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2653
2654         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2655         (ipa_tm_create_version_alias): Same.
2656
2657 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2658
2659         PR libitm/51830
2660         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2661         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2662
2663 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2664             Patrick Marlier  <patrick.marlier@gmail.com>
2665             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2666
2667         PR lto/51916
2668         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2669         simple_object_start_read.
2670
2671 2012-01-23  Richard Guenther  <rguenther@suse.de>
2672
2673
2674         PR tree-optimization/51895
2675         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2676         parameter decomposition into BLKmode components.
2677
2678 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2679
2680         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2681         fake variables for restrict-qualified pointers whose pointed-to type
2682         contains a placeholder.
2683
2684 2012-01-23  Richard Guenther  <rguenther@suse.de>
2685
2686         PR tree-optimization/51949
2687         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2688
2689 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2690
2691         PR rtl-optimization/51933
2692         * ree.c (transform_ifelse): Return true right away if dstreg is
2693         already wider or equal to cand->mode.
2694         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2695         (make_defs_and_copies_lists): Remove defs_list and copies_list
2696         arguments, add state argument, just truncate state->work_list
2697         instead of always allocating and freeing the vector.  Assert that
2698         get_defs succeeds instead of returning 2.  Changed return type to bool.
2699         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2700         have ext_src_mode, see if it has been modified already with the
2701         right kind of extension and has been extended before from the
2702         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2703         just return true.  Remember the original mode in state->modified array.
2704         (combine_reaching_defs): Add state argument.  Don't allocate and
2705         free here def_list, copied_list and vec vectors, instead just
2706         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2707         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2708         Add state variable, clear vectors in it, initialize state.modified
2709         if needed.  Free all the vectors at the end and state.modified too.
2710         Don't skip a candidate if the extension expression has been modified.
2711
2712 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2713
2714         PR target/47096
2715         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2716          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2717         (extra_options) interix.opt -> i386/interix.opt"
2718         (extra_objs):Add winnt-stubs.o
2719         * configure.ac: Add interix to target_os .comm on PE check.
2720         * configure: Regenerate.
2721         * config/interix3.h: Delete and move bits to..
2722         * config/interix.h: Delete and move bits to..
2723         * config/i386/i386-interix3.h: Delete and move bits to..
2724         * config/i386/i386-interix.h: ..here.
2725         (TARGET_CPU_DEFAULT): Remove redefinition.
2726         (TARGET_ASM_CONSTRUCTOR): Undefine.
2727         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2728         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2729         (PTRDIFF_TYPE): Define.
2730         (LONG_DOUBLE_TYPE_SIZE): Define.
2731         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2732         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2733         (TARGET_SECTION_TYPE_FLAGS): Define.
2734         (ASM_DECLARE_FUNCTION_NAME): Define.
2735         (ASM_OUTPUT_EXTERNAL): Define.
2736         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2737         (ASM_OUTPUT_ALIGNED_BSS): Define.
2738         (PCC_BITFIELD_TYPE_MATTERS): Define.
2739         (USE_CONST_SECTION): Define.
2740         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2741         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2742         (SUPPORTS_ONE_ONLY): Remove.
2743         (I386_PE_STRIP_ENCODING): Define.
2744         * config/interix.opt: Delete and move bits to..
2745         * config/i386/interix.opt: ..here. New.
2746         (mpe-aligned-commons): Add.
2747         * config/i386/t-interix: Add copyright header.
2748         (winnt-stubs.o): Add rule.
2749
2750 2012-01-22  Jason Merrill  <jason@redhat.com>
2751
2752         PR c++/51832
2753         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2754         for extra name aliases.
2755
2756 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2757
2758         PR rtl-optimization/51924
2759         * ree.c (combine_set_extension): Improve debugging message.
2760         (combine_reaching_defs): Likewise.
2761         (get_defs): Rename confusingly named variable.
2762         (find_and_remove_re): Skip a candidate if the extension expression has
2763         been modified.
2764
2765 2012-01-21  Robert Millan  <rmh@gnu.org>
2766             Gerald Pfeifer  <gerald@pfeifer.com>
2767
2768         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2769         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2770
2771 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR tree-optimization/51914
2774         * tree-vect-stmts.c (vectorizable_conversion): For
2775         cvt_type && modifier == WIDEN, put temporary with cvt_type
2776         at the beginning of vec_dsts and set vec_dest to temporary
2777         with vectype_out.
2778
2779 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2780
2781         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2782
2783 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2784
2785         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2786         * config/rs6000/rs6000.c: Likewise.
2787
2788 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2789
2790         PR target/51915
2791         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2792         output_move_double on a copy of operands array.
2793
2794 2012-01-20  Cary Coutant  <ccoutant@google.com>
2795             Dodji Seketeli  <dodji@redhat.com>
2796
2797         PR debug/45682
2798         * dwarf2out.c (copy_declaration_context): Return ref to parent
2799         of declaration DIE, if necessary.
2800         (remove_child_or_replace_with_skeleton): Add new parameter; update
2801         caller.  Place skeleton DIE under parent DIE of original declaration.
2802         Move call to copy_declaration_context to here ...
2803         (break_out_comdat_types): ... from here.
2804
2805 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2806
2807         PR rtl-optimization/51856
2808         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2809         flag to reloaded.
2810
2811 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2812
2813         PR target/51819
2814         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2815         hints for neon loads and stores.
2816
2817 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2818
2819         PR target/49868
2820         PR target/50887
2821         * doc/extend.texi (Named Address Spaces): Split into subsections.
2822         (AVR Named Address Spaces): New subsection.
2823         (M32C Named Address Spaces): New subsection.
2824         (RL78 Named Address Spaces): New subsection.
2825         (SPU Named Address Spaces): New subsection.
2826         (Variable Attributes): New anchor "AVR Variable Attributes".
2827         (AVR Variable Attributes): Rewrite and avoid wording
2828         "address space" in this context.
2829         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2830         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2831         (AVR Built-in Macros): New subsubsection therein.
2832         * doc/md.texi (AVR constraints): Remove "C04", "R".
2833
2834 2012-01-20  Richard Guenther  <rguenther@suse.de>
2835
2836         PR tree-optimization/51903
2837         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2838         when removing stmts.
2839
2840 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2841
2842         PR target/50313
2843         * config/arm/arm.c (arm_load_pic_register): Use
2844         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2845         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2846         (arm_pic_static_addr): Likewise.
2847         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2848         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2849         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2850         (pic_load_addr_unified): New.
2851
2852 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2853
2854         PR target/51106
2855         * function.c (instantiate_virtual_regs_in_insn): Use
2856         delete_insn_and_edges when removing a wrong asm insn.
2857
2858 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2859
2860         PR rtl-optimization/40761
2861         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2862         Add new member loop_num.
2863         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2864         (ira_build): Remove the parameter.
2865
2866         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2867         (ira.c): Do not build CFG loops for one region allocation.  Remove
2868         argument from ira_build call.
2869
2870         * ira-build.c (init_loop_tree_node): New function.
2871         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2872         loops are not built.
2873         (more_one_region_p): Check current_loops.
2874         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2875         built.
2876         (add_loop_to_tree): Process loop equal to NULL too.
2877         (form_loop_tree): Separate the case when CFG loops are not built.
2878         Use explicitly number for the root.
2879         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2880         an assertion.
2881         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2882         instead of loop->num.
2883         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2884         (mark_all_loops_for_removal): Ditto.
2885         (remove_unnecessary_regions): Separate the case when CFG loops
2886         are not built.
2887         (ira_build): Remove the parameter.  Use explicit number of regions
2888         when CFG loops are not built.
2889
2890         * ira-color.c (print_loop_title): Separate the case for the root node.
2891         Use loop_num instead of loop->num.
2892         (move_spill_restore): Use loop_num instead of loop->num.
2893
2894         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2895         (change_loop): Ditto.
2896         (change_loop): Use loop_num instead of loop->num.
2897
2898         * ira-lives.c (process_bb_node_lives): Ditto.
2899
2900         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2901
2902         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2903
2904 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2905
2906         PR libmudflap/40778
2907         * tree-mudflap.c (mf_artificial): New function.
2908         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2909         mx_register_decls, mudflap_enqueue_decl): Use it.
2910
2911         PR target/51876
2912         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2913         numbers in the insn pattern.
2914
2915 2012-01-19  Michael Matz  <matz@suse.de>
2916
2917         PR tree-optimization/46590
2918         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2919         use it in remembering which conflicts we already created.
2920         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2921         bitmap.
2922
2923 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2924
2925         PR lto/51280
2926         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2927         (merge_and_complain): Same.
2928
2929 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2930
2931         PR bootstrap/50237
2932         * config/initfini-array.h: Guard content of the header
2933         with #ifdef HAVE_INITFINI_ARRAY.
2934         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2935         Add initfini-array.h to tm_file here.
2936         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2937         * config.gcc: Don't add initfini-array.h to tm_file here.
2938         * configure: Regenerated.
2939
2940 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2941
2942         PR rtl-optimization/51505
2943         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2944         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2945         (df_note_bb_compute): Update the call to df_kill_notes.
2946
2947 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2948
2949         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2950
2951 2012-01-18  Richard Guenther  <rguenther@suse.de>
2952
2953         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2954         of conversions to void *.
2955
2956 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2957             Richard Sandiford  <rdsandiford@googlemail.com>
2958
2959         PR middle-end/50325
2960         PR middle-end/51192
2961         * optabs.h (simplify_expand_binop): Declare.
2962         * optabs.c (simplify_expand_binop): Make global.
2963         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2964         endian targets if the source cannot be exactly covered by word
2965         mode chunks.
2966
2967 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR bootstrap/51872
2970         * hard-reg-set.h (struct hard_reg_set_container): New type.
2971         * target.h (struct hard_reg_set_container): Forward declare.
2972         * target.def (set_up_by_prologue): New target hook.
2973         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2974         * doc/tm.texi: Regenerated.
2975         * function.c (thread_prologue_and_epilogue_insns): Change
2976         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2977         Call targetm.set_up_by_prologue on it.
2978         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2979         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2980
2981 2012-01-17  Nick Clifton  <nickc@redhat.com>
2982
2983         * config/rx/rx.c (rx_can_use_simple_return): New function.
2984         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2985         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2986
2987 2012-01-17  Richard Guenther  <rguenther@suse.de>
2988
2989         PR middle-end/51782
2990         * expr.c (expand_assignment): Take address-space information
2991         from the address operand of MEM_REF and TARGET_MEM_REF.
2992         (expand_expr_real_1): Likewise.
2993
2994 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2995
2996         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2997         reload dump is requested.
2998
2999 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3000
3001         PR other/51165
3002         * trans-mem.c (requires_barrier): Call may_be_aliased.
3003
3004 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3005
3006         PR tree-optimization/51877
3007         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3008         call arguments and fndecls compare equal, instead return false if they
3009         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3010         both SSA_NAMEs that are valueized the same, or they satisfy
3011         operand_equal_p.
3012
3013 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3014
3015         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3016         Solaris 11+.
3017         * configure: Regenerate.
3018
3019 2012-01-16  Jan Hubicka  <jh@suse.cz>
3020
3021         PR c/12245
3022         PR c++/14179
3023         * convert.c (convert_to_integer): Use fold_convert for
3024         converting an INTEGER_CST to integer type.
3025
3026 2012-01-16  Jason Merrill  <jason@redhat.com>
3027
3028         PR c++/14179
3029         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3030
3031 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3032
3033         PR bootstrap/51860
3034         * config/s390/s390.c (s390_chunkify_start): Don't skip
3035         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3036         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3037         If insn is followed by NOTE_INSN_VAR_LOCATION or
3038         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3039         Don't use location of note insns.
3040
3041         PR tree-optimization/51865
3042         * tree-inline.c (tree_function_versioning): Call remap_decl
3043         on DECL_RESULT whenever it has VOID_TYPE_P type.
3044
3045 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3046
3047         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3048         for calls to locally-binding MIPS16 functions if only the return
3049         type uses float regs.
3050
3051 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3052             Richard Sandiford  <rdsandiford@googlemail.com>
3053
3054         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3055         (SYMBOL_32_HIGH): Likewise.
3056         (mips_output_tls_reloc_directive): Declare.
3057         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3058         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3059         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3060         (mips_lo_relocs, mips_hi_relocs): Make extern.
3061         (mips16_stub_function): Move up file.
3062         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3063         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3064         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3065         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3066         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3067         (mips_get_tp): Add MIPS16 support.
3068         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3069         Generalize DTPREL and TPREL handling.
3070         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3071         Add MIPS16 TLS support.
3072         (mips_output_tls_reloc_directive): New function.
3073         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3074         * config/mips/predicates.md (symbolic_operand_with_high)
3075         (tls_reloc_operand): New predicates.
3076         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3077         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3078         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3079         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3080         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3081         (*tls_get_tp_mips16_call_<mode>): Likewise.
3082
3083 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3084
3085         PR rtl-optimization/51821
3086         * recog.c (peep2_find_free_register): Determine clobbered registers
3087         from insn pattern.
3088
3089 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3090
3091         PR target/50925
3092         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3093         * config/avr/avr.c: Likewise.
3094         * config/avr/avr.h: Likewise.
3095
3096 2012-01-13  Ian Lance Taylor  <iant@google.com>
3097
3098         PR c++/50012
3099         * tree.h (TYPE_QUALS): Add cast to int.
3100         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3101
3102 2012-01-13  Ian Lance Taylor  <iant@google.com>
3103
3104         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3105         comparing param_index to VEC_length result.
3106
3107 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3108
3109         * c-decl.c: Do not include tree-mudflap.h
3110         * tree-optimize.c: Likewise.
3111         * Makefile.in: Update dependencies.
3112
3113 2012-01-13  Richard Guenther  <rguenther@suse.de>
3114
3115         PR middle-end/8081
3116         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3117         variable-sized result always use RSO.
3118
3119 2012-01-12  DJ Delorie  <dj@redhat.com>
3120
3121         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3122         pointer type, not just the default pointer type.
3123
3124 2012-01-09  Richard Henderson  <rth@redhat.com>
3125             Denis Chertykov  <chertykov@gmail.com>
3126
3127         PR target/50925
3128         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3129         * config/avr/avr.c (avr_can_eliminate): Simplify.
3130         (avr_initial_elimination_offset): Likewise.
3131         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3132         (expand_epilogue): Likewise.
3133         (avr_legitimize_address): Gut.
3134         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3135         (avr_hard_regno_nregs): New.
3136         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3137         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3138         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3139         add soft frame pointer.
3140         (CALL_USED_REGISTERS): Likewise.
3141         (REG_CLASS_CONTENTS): Likewise.
3142         (REGISTER_NAMES): Likewise.
3143         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3144         (HARD_FRAME_POINTER_REGNUM): New.
3145         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3146         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3147         remove the HARD_FRAME_POINTER self-elimination.
3148
3149 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3150
3151         PR target/51756
3152         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3153         DECL_EXTERNAL when checking for initializers of progmem variables.
3154
3155 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3156
3157         PR tree-optimization/51799
3158         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3159         that the last operation is a type demotion.
3160
3161 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3162
3163         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3164         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3165
3166 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3167
3168         PR bootstrap/51796
3169         * combine.c (distribute_notes): If i3 is a noreturn call,
3170         allow old_size to be equal to args_size and make sure the
3171         noreturn call gets REG_ARGS_SIZE note.
3172         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3173         on noreturn calls even when the delta is 0.
3174
3175 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3176
3177         * gcov.c (STRING_SIZE): Remove.
3178         (generate_results): Erase annotations for source files with no
3179         coverage information.
3180         (read_line): New.
3181         (output_lines): Use it.
3182
3183 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3184
3185         * gimple.h (gimplify_body): Remove first argument.
3186         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3187         pointer set here, instead just pass DATA to walk_tree.
3188         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3189         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3190         (unvisit_body): Likewise, but with unmark_visited.
3191         (gimplify_body): Remove BODY_P argument and adjust.
3192         (gimplify_function_tree): Adjust call to gimplify_body.
3193         * omp-low.c (finalize_task_copyfn): Likewise.
3194
3195 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3196
3197         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3198         (build_function_type_skip_args): Delete.
3199         * tree.c (build_function_type_skip_args): Make static and add
3200         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3201         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3202         pass it to build_function_type_skip_args.
3203         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3204         (tree_function_versioning): Likewise.
3205         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3206         build_function_decl_skip_args.
3207         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3208         and pass it to build_function_decl_skip_args/tree_function_versioning.
3209         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3210         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3211         * trans-mem.c (ipa_tm_create_version): Likewise.
3212         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3213         * tree-inline.c (declare_return_variable): Remove always-true test.
3214         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3215         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3216         * ipa-split.c (split_function): Skip the return value for the split
3217         part if it doesn't return.
3218
3219 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3220
3221         PR tree-optimization/49642
3222         * ipa-split.c (forbidden_dominators): New variable.
3223         (check_forbidden_calls): New function.
3224         (dominated_by_forbidden): Likewise.
3225         (consider_split): Check for forbidden dominators.
3226         (execute_split_functions): Initialize and free forbidden
3227         dominators info; call check_forbidden_calls.
3228
3229 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3230
3231         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3232
3233 2012-01-11  Nick Clifton  <nickc@redhat.com>
3234
3235         * config/rx/rx.md (return): Define pattern.
3236
3237 2012-01-11  Richard Guenther  <rguenther@suse.de>
3238
3239         * doc/extend.texi (malloc attribute): Adjust according to
3240         implementation.
3241
3242 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3243             Patrick Marlier  <patrick.marlier@gmail.com>
3244
3245         PR middle-end/51516
3246         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3247         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3248         (ipa_tm_note_irrevocable): Same.
3249         (ipa_tm_scan_irr_block): Same.
3250         (ipa_tm_decrement_clone_counts): Same.
3251         (ipa_tm_scan_irr_function): Same.
3252         (ipa_tm_create_version_alias): Same.
3253         (ipa_tm_create_version): Same.
3254         (ipa_tm_transform_calls_redirect): Same.
3255         (ipa_tm_transform_calls): Same.
3256         (ipa_tm_transform_transaction): Same.
3257         (ipa_tm_execute): Same.
3258
3259 2012-01-10  Richard Guenther  <rguenther@suse.de>
3260
3261         PR middle-end/51806
3262         * opts.c (common_handle_option): Handle -Werror.
3263
3264 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3265
3266         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3267         operand number.
3268
3269 2012-01-10  Jason Merrill  <jason@redhat.com>
3270
3271         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3272         information.
3273
3274 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3275
3276         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3277         supports R_386_TLS_GD_PLT reloc.
3278         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3279         supports R_386_TLS_LDM_PLT reloc.
3280         * configure: Regenerate.
3281         * config.in: Regenerate.
3282
3283 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3284
3285         PR target/49868
3286         Extend __pgmx semantics to linearize memory.
3287         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3288         determine if code comes inline or from libgcc.
3289         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3290         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3291         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3292         (movmemx_qi, movmemx_hi): New insns.
3293         (xload_<mode>_libgcc): Rewrite to new insn condition.
3294         (xload_<mode>): Remove insns.
3295         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3296         cases that don't satisfy avr_xload_libgcc_p().
3297         (avr_addr_space_convert): Allow converting in any direction.
3298         (avr_addr_space_subset_p): Return always true.
3299         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3300         (avr_emit_movmemhi): Ditto.
3301         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3302         (avr_out_movmem): Ditto.
3303         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3304         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3305         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3306         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3307         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3308
3309 2012-01-10  Richard Guenther  <rguenther@suse.de>
3310
3311         PR tree-optimization/50913
3312         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3313         Require data-refs to be representable by Graphite with respect
3314         to any loop nest.
3315
3316 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3317
3318         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3319         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3320
3321 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3322
3323         PR rtl-optimization/51271
3324         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3325         handling annulled branch.
3326
3327 2012-01-10  Richard Henderson  <rth@redhat.com>
3328
3329         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3330         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3331         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3332         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3333         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3334         arm_expand_vec_perm_const): New.
3335         * config/arm/arm-protos.h: Update.
3336         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3337         (*neon_vswp<VDQX>): New.
3338         (neon_vcombine<VDX>): Use neon_split_vcombine.
3339         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3340         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3341         (vec_perm<VE>): New.
3342
3343 2012-01-10  Richard Henderson  <rth@redhat.com>
3344
3345         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3346         use it if reload_completed.
3347         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3348         arm_output_asm_insn, arm_process_output_memory_barrier,
3349         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3350         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3351         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3352         arm_process_output_sync_insn, arm_output_sync_insn,
3353         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3354         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3355         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3356         (emit_unlikely_jump): New.
3357         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3358         (arm_split_atomic_op): New.
3359         * config/arm/arm-protos.h: Update.
3360         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3361         (struct arm_sync_generator): Remove.
3362         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3363         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3364         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3365         (VUNSPEC_LL, VUNSPEC_SC): New.
3366         (sync_result, sync_memory, sync_required_value, sync_new_value,
3367         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3368         (attr length): Don't use arm_sync_loop_insns.
3369         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3370         (movsfcc, movdfcc): Likewise.
3371         * config/arm/constraints.md (Ua): New.
3372         * config/arm/prediates.md (mem_noofs_operand): New.
3373         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3374         (sync_clobber, sync_t2_reqd): Remove.
3375         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3376         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3377         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3378         (arm_sync_compare_and_swap<SIDI>): Remove.
3379         (arm_sync_compare_and_swap<NARROW>): Remove.
3380         (arm_sync_lock_test_and_set<SIDI>): Remove.
3381         (arm_sync_lock_test_and_set<NARROW>): Remove.
3382         (arm_sync_new_<syncop><SIDI>): Remove.
3383         (arm_sync_new_<syncop><NARROW>): Remove.
3384         (arm_sync_new_nand<SIDI>): Remove.
3385         (arm_sync_new_nand<NARROW>): Remove.
3386         (arm_sync_old_<syncop><SIDI>): Remove.
3387         (arm_sync_old_<syncop><NARROW>): Remove.
3388         (arm_sync_old_nand<SIDI>): Remove.
3389         (arm_sync_old_nand<NARROW>): Remove.
3390         (*memory_barrier): Merge arm_output_memory_barrier.
3391         (atomic_compare_and_swap<QHSD>): New.
3392         (atomic_compare_and_swap<NARROW>_1): New.
3393         (atomic_compare_and_swap<SIDI>_1): New.
3394         (atomic_exchange<QHSD>): New.
3395         (cas_cmp_operand, cas_cmp_str): New.
3396         (atomic_op_operand, atomic_op_str): New.
3397         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3398         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3399         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3400         (arm_load_exclusive<NARROW>): New.
3401         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3402         (arm_store_exclusive<QHSD>): New.
3403
3404 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3405
3406         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3407         reload patterns if -mvsx-scalar-memory.
3408
3409         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3410         generated, even -mno-vsx-scalar-double was used.
3411         (vsx_xscvdpsp_scalar): Likewise.
3412         (vsx_xscvspdp_scalar2): Likewise.
3413
3414 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3415             Andrew Pinski  <apinski@cavium.com>
3416
3417         PR debug/51471
3418         * reorg.c (fill_slots_from_thread): Don't speculate
3419         frame-related insns.
3420
3421 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3422
3423         * sched-int.h (bb_note): Move to...
3424         * basic-block.h: ...here.
3425         * haifa-sched.c (bb_note): Move to...
3426         * cfgrtl.c: ...here.
3427         * function.c (next_block_for_reg): New function.
3428         (move_insn_for_shrink_wrap): Likewise.
3429         (prepare_shrink_wrap): Rewrite to use the above.
3430
3431 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3432
3433         * gimple.c (is_gimple_non_addressable): Remove.
3434         * gimple.h: Remove is_gimple_non_addressable.
3435         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3436         is_gimple_non_addressable.
3437         * trans-mem.c (expand_assign_tm): Same.
3438
3439 2012-01-09  Richard Guenther  <rguenther@suse.de>
3440
3441         PR tree-optimization/51775
3442         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3443         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3444
3445 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3446
3447         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3448         tuning parameters.
3449         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3450
3451 2012-01-09  Richard Guenther  <rguenther@suse.de>
3452
3453         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3454
3455 2012-01-08  Jan Hubicka  <jh@suse.cz>
3456
3457         PR tree-optimize/51680
3458         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3459         on when known_vals needs to be computed; cleanup.
3460
3461 2012-01-08  Jan Hubicka  <jh@suse.cz>
3462
3463         PR tree-optimize/51694
3464         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3465
3466 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3467
3468         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3469         for -std=c++98 and -std=c++11 too.
3470
3471 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3472
3473         * cfgloop.c (cancel_loop): Add free() of bbs array.
3474
3475 2012-01-07  Jan Hubicka  <jh@suse.cz>
3476
3477         PR tree-optimization/51600
3478         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3479         that benefits small functions.
3480
3481 2012-01-07  Jan Hubicka  <jh@suse.cz>
3482
3483         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3484
3485 2012-01-07  Jan Hubicka  <jh@suse.cz>
3486
3487         PR tree-optimization/51680
3488         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3489         whose inlining reduce unit size.
3490
3491 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3492
3493         PR bootstrap/51725
3494         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3495         Add canonical node to containing_mem chain after the non-canonical
3496         one, even if there weren't any locs to propagate.
3497         (remove_useless_values): Keep only canonical values.
3498         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3499         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3500         canonicalize mem_chain elements that are not discarded.
3501
3502 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3503
3504         PR target/47333