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PR middle-end/52894
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2
3         PR middle-end/52894
4         * varasm.c (process_pending_assemble_externals): Set
5         pending_assemble_externals_processed true.
6         (assemble_external): Call assemble_external_real if the pending
7         assemble externals have been processed.
8
9 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
10
11         PR target/52717
12         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
13         the DECL generated for the special GOT helper.
14
15 2012-04-06  Walter Lee  <walt@tilera.com>
16
17         Backport from mainline
18         2012-03-07  Walter Lee  <walt@tilera.com>
19
20         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
21         REG_CFA_* notes for the stack pointer.
22         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
23         EH_RETURN_STACKADJ_RTX.
24         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
25         generate REG_CFA_* notes for the stack pointer.
26         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
27         by EH_RETURN_STACKADJ_RTX.
28         
29 2012-04-06  Matt Turner  <mattst88@gmail.com>
30
31         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
32
33 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
34
35         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
36         of the destination isn't also a FP_REGS register.
37
38 2012-04-03  Richard Guenther  <rguenther@suse.de>
39
40         Backport from mainline
41         2012-03-02  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/52406
44         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
45         (struct indices): Add unconstrained_base member.
46         (struct dr_alias): Remove unused vops member.
47         (DR_UNCONSTRAINED_BASE): New define.
48         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
49         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
50         be an artificial access that covers the whole indexed object,
51         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
52         plain decl base-objects to their MEM_REF variant.
53         (dr_may_alias_p): When the base-object of either data reference
54         has unknown size use only points-to information.
55         (compute_affine_dependence): Make dumps easier to read and
56         more verbose.
57         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
58         DR_REF when looking for packed references.
59         (vect_supportable_dr_alignment): Likewise.
60
61 2012-04-03  Richard Guenther  <rguenther@suse.de>
62
63         Backport from mainline
64         2012-03-15  Richard Guenther  <rguenther@suse.de>
65
66         PR middle-end/52580
67         * tree-data-ref.c (subscript_dependence_tester_1): Check
68         all dimensions for non-conflicting access functions.
69
70 2012-04-03  Richard Guenther  <rguenther@suse.de>
71
72         Backport from mainline
73         2012-03-06  Richard Guenther  <rguenther@suse.de>
74
75         PR middle-end/52493
76         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
77
78         2012-03-23  Richard Guenther  <rguenther@suse.de>
79
80         PR tree-optimization/52678
81         * tree-vectorizer.h (struct _stmt_vec_info): Add
82         loop_phi_evolution_part member.
83         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
84         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
85         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
86         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
87         Use the cached evolution part and the PHI nodes value from
88         the loop preheader edge instead of re-analyzing the evolution.
89
90         2012-03-26  Richard Guenther  <rguenther@suse.de>
91
92         PR tree-optimization/52701
93         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
94         compute and set the evolution part of PHI nodes.
95
96         2012-03-30  Richard Guenther  <rguenther@suse.de>
97
98         PR tree-optimization/52754
99         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
100         propagate arbitrary addresses into really plain dereferences.
101
102 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
103
104         PR tree-optimization/52835
105         * tree-data-ref.c (build_rdg): Return NULL if
106         compute_data_dependences_for_loop failed.
107
108 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
109
110         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
111         (stmt_can_make_abnormal_goto): Use it.
112         (is_ctrl_altering_stmt): Likewise.
113
114 2012-03-31  Martin Jambor  <mjambor@suse.cz>
115
116         Backported from mainline
117         2012-03-30  Martin Jambor  <mjambor@suse.cz>
118
119         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
120         is a builtin_stack_save in a dominating BB.
121
122 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
123
124         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
125         crossing 128bit lane boundary.
126
127 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
128
129         Backported from mainline
130         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
131
132         PR target/52698
133         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
134         New prototype.
135         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
136         * config/i386/i386.c: Include reload.h.
137         (ix86_legitimize_reload_address): New function.
138
139 2012-03-28  Martin Jambor  <mjambor@suse.cz>
140
141         Backported from mainline
142         2012-03-27  Martin Jambor  <mjambor@suse.cz>
143
144         PR middle-end/52693
145         * tree-sra.c (sra_modify_assign): Do not call
146         load_assign_lhs_subreplacements when working with an unscalarizable
147         region.
148
149 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
150
151         PR middle-end/52691
152         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
153         __builtin_va_start to __builtin_next_arg if the latter is
154         builtin_decl_explicit_p rather than when it is not.
155
156         PR middle-end/52750
157         * tree-vect-generic.c (vector_element): Perform multiplication
158         for pos in bitsizetype type instead of idx type.
159
160 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
161
162         Backport from 2012-03-28 mainline r185910.
163
164         PR target/52692
165         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
166         (avr_builtin_decl): New static function.
167         (struct avr_builtin_description, avr_bdesc): Move up.
168         Add GTY marker. Add field fndecl. Remove redundant field id.
169         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
170         (avr_expand_builtin): Code cleanup because .id is removed.
171
172 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
173
174         PR middle-end/51893
175         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
176         targets.
177
178 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
179
180         Backport from 2012-03-28 mainline r185907.
181
182         PR target/52737
183         * config.gcc (tm_file): Remove avr/multilib.h.
184
185         * doc/invoke.texi (AVR Options): Adjust
186         documentation of -mtiny-stack.
187
188         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
189         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
190         * config/avr/t-avr: Remove generation of multilib.h.
191         * config/avr/t-multilib: Regenerate.
192         * config/avr/multilib.h: Remove.
193         * config/avr/avr.opt (-msp8): New option.
194         (avr_sp8): New variable.
195         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
196         * config/avr/avr.h (AVR_HAVE_SPH): New define.
197         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
198         (avr_device_to_sp8): New prototype.
199         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
200         (DRIVER_SELF_SPECS): New define.
201         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
202         __AVR_SP8__, __AVR_HAVE_SPH__.
203         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
204         AVR_HAVE_8BIT_SP to decide if SP_H is present.
205         (avr_file_start): Ditto.
206
207 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
208
209         PR target/52736
210         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
211         instead of 8 in adjust_address.
212
213 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
214
215         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
216         of a unit before computing the offset in units.
217
218 2012-03-27  Richard Guenther  <rguenther@suse.de>
219
220         PR middle-end/52720
221         * fold-const.c (try_move_mult_to_index): Handle &x.array more
222         explicitely.
223
224 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
225
226         PR target/52610
227         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
228
229 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
230
231         PR middle-end/52640
232         * varasm.c: Include pointer-set.h.
233         (pending_assemble_externals_set): New pointer set.
234         (process_pending_assemble_externals): Destroy the pointer set.
235         (assemble_external): See if decl is in pending_assemble_externals_set,
236         and add it to pending_assemble_externals if necessary.
237         (init_varasm_once): Allocate pending_assemble_externals_set.
238
239 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
240
241         Backported from mainline
242         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
243
244         PR target/50310
245         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
246         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
247         (vector_ltgt<mode>): Likewise.
248         (vector_ordered<mode>): Likewise.
249         (vector_unordered<mode>): Likewise.
250         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
251
252 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
253
254         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
255         Make static.
256
257 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
258
259         Backported from mainline
260         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
261
262         PR target/48596
263         PR target/48806
264         * config/sh/sh.c (sh_register_move_cost): Increase cost between
265         GENERAL_REGS and FP_REGS for SImode.
266
267 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
268
269         PR middle-end/52547
270         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
271         on any new_local_var_chain vars declared during recursing on
272         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
273
274 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
275
276         Backport from 2012-03-22 mainline r185692.
277
278         PR target/52496
279         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
280         (unspecv): Add UNSPECV_MEMORY_BARRIER.
281         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
282         (delay_cycles_1, delay_cycles_2): Ditto.
283         (delay_cycles_3, delay_cycles_4): Ditto.
284         (nopv, *nopv): Ditto.
285         (sleep, *sleep): Ditto.
286         (wdr, *wdr): Ditto.
287
288         Backport from 2012-03-21 mainline r185605.
289
290         PR rtl-optimization/52543
291         PR target/52461
292         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
293         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
294         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
295         (avr_load_libgcc_p): Restrict to __flash loads.
296         (avr_out_lpm): Only handle 1-byte loads from __flash.
297         (avr_load_lpm): New function.
298         (avr_find_unused_d_reg): Remove.
299         (avr_out_lpm_no_lpmx): Remove.
300         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
301         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
302         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
303         (load_<mode>, load_<mode>_clobber): New insns.
304         (mov<mode>): For multi-byte move from non-generic
305         16-bit address spaces: Expand to load_<mode> resp.
306         load_<mode>_clobber.
307         (load<mode>_libgcc): Remove expander.
308         (split-lpmx): Remove split.
309
310         Backport from 2012-03-13 mainline r185329.
311
312         PR target/52488
313         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
314         offset (size) to a value the insns can deal with.
315         (expand_epilogue): Ditto.
316
317         Backport from 2012-03-12 mainline r185256.
318
319         PR target/52499
320         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
321         type from reg_class_t to enum reg_class.
322         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
323
324         Backport from 2012-03-12 mainline r185253.
325
326         PR target/52148
327         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
328         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
329         r184615 from 2012-02-28.
330
331         Backport from 2012-03-08 mainline r185105.
332
333         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
334         for constants in [-63,63].
335
336         Backport from 2012-03-08 mainline r185100.
337
338         PR target/52496
339         * config/avr/avr.c (avr_mem_clobber): New static function.
340         (avr_expand_delay_cycles): Add memory clobber operand to
341         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
342         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
343         (enable_interrupt, disable_interrupt): New expander.
344         (nopv, sleep, wdr): New expanders.
345         (delay_cycles_1): Add memory clobber.
346         (delay_cycles_2): Add memory clobber.
347         (delay_cycles_3): Add memory clobber.
348         (delay_cycles_4): Add memory clobber.
349         (cli_sei): New insn from former "enable_interrupt",
350         "disable_interrupt" with memory clobber.
351         (*wdt): New insn from former "wdt" with memory clobber.
352         (*nopv): Similar, but for "nopv".
353         (*sleep): Similar, but for "sleep".
354
355         Backport from 2012-03-07 mainline r185043.
356
357         PR target/52484
358         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
359
360         Backport from 2012-03-07 mainline r185032.
361
362         PR target/52506
363         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
364         to: RAMPZ, RAMPY, RAMPX, RAMPD.
365         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
366
367         Backport from 2012-03-07 mainline r185031.
368
369         PR target/52505
370         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
371         from RAM.
372         * config/avr/avr.md (xload_8): Adjust insn length.
373
374         Backport from 2012-03-07 mainline r185030.
375
376         PR target/52461
377         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
378         if RAMPZ affects reading from RAM.
379
380         Backport from 2012-03-05 mainline r184919.
381
382         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
383
384 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
385
386         Backport from mainline r185259.
387
388         PR other/52545
389         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
390         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
391
392 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
393
394         Backported from mainline
395         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
396
397         PR c/52577
398         * c-parser.c (c_parser_postfix_expression)
399         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
400
401         * config/i386/smmintrin.h: Avoid /* within a comment.
402         * config/i386/nmmintrin.h: Likewise.
403
404 2012-03-22  Richard Guenther  <rguenther@suse.de>
405
406         * BASE-VER: Set to 4.7.1.
407         * DEV-PHASE: Set to prerelease.
408
409 2012-03-22  Release Manager
410
411         * GCC 4.7.0 released.
412
413 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
414
415         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
416
417 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
418             Andrew Pinski  <apinski@cavium.com>
419
420         PR middle-end/52592
421         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
422         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
423         calls instead of __builtin_ir{int,ound}*.
424
425 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
426
427         PR c++/52582
428         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
429         if c_node is NULL.
430
431 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
432
433         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
434         Refer to GCC 4.7 version of c99status.html.
435
436 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
437
438         Backport from mainline
439         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
440
441         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
442         redefine to be NULL if the current bit-size is different from the
443         configured bit-size.
444
445         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
446         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
447         set the default tuning.  Add asserts to make sure the cpu and tune
448         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
449         test whether the index is set, instead of > 0.
450         (rs6000_file_start): Do not reset the default cpu if the current
451         bit-size is different from the configured bit-size.
452
453 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
454
455         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
456         binutils reference.
457         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
458         Update binutils references.
459         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
460         Update binutils reference.
461         Update Sun as/GNU ld caveat.
462         Document binutils largefile requirement for LTO plugin.
463         Remove reference to alternate libpthread.
464
465 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
466
467         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
468         reference.
469         (Specific, mips-sgi-irix6): Likewise.
470
471 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
472
473         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
474         * configure: Regenerate.
475
476 2012-03-07  Richard Henderson  <rth@redhat.com>
477
478         * config/m68k/m68k.h (ISA_HAS_TAS): New.
479         * config/m68k/sync.md (atomic_test_and_set): Use it.
480         (atomic_test_and_set_1): Likewise.
481
482 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
483
484         PR target/51417
485         * Makefile.in: Let install-gcc-ar depend on installdirs,
486         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
487         Don't double canonicalize if cross-compiling.
488
489 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
490
491         * trans-mem.c: New typedef for tm_region_p.
492         Define vector types for tm_region_p.
493         (tm_region_init): Replace region_worklist to a vector called
494         bb_regions.
495
496 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
497
498         PR middle-end/52463
499         * trans-mem.c (tm_region_init): Use last_basic_block.
500
501 2012-03-05  Richard Henderson  <rth@redhat.com>
502
503         PR tree-opt/52242
504         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
505         * omp-low.c (expand_omp_atomic): Assume anything aligned to
506         BIGGEST_ALIGNMENT is aligned.
507
508 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
509
510         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
511
512 2012-03-05  Richard Henderson  <rth@redhat.com>
513
514         PR target/52481
515         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
516         instead of calling negqi2 directly.
517
518 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
519
520         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
521         (INTMAX_TYPE): Use it.
522         (UINTMAX_TYPE): Likewise.
523         (SUBTARGET_OVERRIDE_OPTIONS): Define.
524         (irix6_c_common_override_options): Declare.
525         (C_COMMON_OVERRIDE_OPTIONS): Define.
526         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
527         * config/mips/irix6-c.c: New file.
528         * config/mips/t-irix6 (irix6-c.o): New target.
529         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
530         cxx_target_objs.
531
532 2012-03-02  Richard Henderson  <rth@redhat.com>
533
534         * optabs.c (expand_atomic_test_and_set): Honor
535         atomic_test_and_set_trueval even when atomic_test_and_set
536         optab is not in use.
537
538 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
539
540         Backport from mainline
541         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
542
543         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
544
545 2012-03-02  Richard Guenther  <rguenther@suse.de>
546
547         * DEV-PHASE: Set to prerelease.
548
549 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
550
551         * config.gcc (obsolete): Add all ARM targets using the FPA.
552         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
553         * doc/install.texi: Avoid references to obsolete ARM ports.
554
555 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
556
557         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
558
559 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
560             Joern Rennecke  <joern.rennecke@embecosm.com>
561
562         * doc/extend.texi: Expand and update information on interrupt
563         attribute for Epiphany.
564
565 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
566
567         * config/sh/sh-protos.h: Update copyright notice dates.
568         * config/sh/sh.h: Likewise.
569         * config/sh/sh.md: Likewise.
570         * config/sh/constraints.md: Likewise.
571         * config/sh/predicates.md: Likewise.
572
573 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
574
575         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
576         * config/sh/sh.c (tertiary_reload_operand): Likewise.
577
578 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
579
580         * config/sh/constraints.md: Fix comment typo.
581
582 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
583
584         PR target/52408
585         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
586         unsigned HOST_WIDE_INT.
587         (zvdep_imm64): Likewise.
588         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
589         (vdepi_and): Likewise.
590         Likewise for unamed 64-bit patterns.
591         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
592
593 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
594
595         PR debug/52001
596         PR rtl-optimization/52417
597         * cselib.c (cselib_any_perm_equivs): New variable.
598         (cselib_reset_table): Check that it's not set when not
599         preserving constants.
600         (cselib_add_permanent_equiv): Set it.
601         (cselib_have_permanent_equivalences): New.
602         (cselib_init, cselib_finish): Reset it.
603         * cselib.h (cselib_have_permanent_equivalences): Declare.
604         * alias.c (get_addr): Restore earlier behavior when there
605         aren't permanent equivalences.
606
607 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
608
609         * config/mn10300/mn10300-modes.def: Fix copyright notice.
610         * config/v850/v850-modes.def: Fix copyright notice.
611
612 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
613
614         * doc/extend.texi (AVR Built-in Functions): Document
615         __builtin_avr_flash_segment.
616
617         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
618         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
619         (*split.flash_segment): New insn-and-split.
620         * config/avr/avr.c (avr_init_builtins): Add local variables:
621         const_memx_void_node, const_memx_ptr_type_node,
622         char_ftype_const_memx_ptr.
623
624 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
625
626         PR tree-optimization/52445
627         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
628         add ssa_name_ver, offset and size fields and change store field
629         to bool.
630         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
631         (add_or_mark_expr): Likewise.  Only consider previous stores
632         with the same size and offset.
633         (nt_init_block): Only look at gimple_assign_single_p stmts,
634         doesn't look at rhs2.
635
636 2012-03-01  Richard Guenther  <rguenther@suse.de>
637
638         PR middle-end/52443
639         * tree-cfg.c (verify_gimple_assign_unary): Allow any
640         conversions from integral types to pointer types.
641
642 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
643
644         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
645         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
646         unintentionally removed in r184616.
647
648 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
649
650         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
651         3DNow from bdver1.
652
653 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
654             Uros Bizjak  <ubizjak@gmail.com>
655
656         PR target/52437
657         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
658         alternatives, add "e" constraint to the new last alternative
659         and ! to last 3 alternatives.
660
661 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
662
663         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
664         DW_AT_artificial attributes at the end of the processing.
665         (gen_array_type_die): Likewise.
666         (gen_enumeration_type_die): Likewise.
667         (gen_struct_or_union_type_die): Likewise.
668         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
669         the parent type.
670
671 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
672
673         PR middle-end/52419
674         * expr.c (expand_assignment): If doing misaligned store that doesn't
675         cover all mode bits, perform a RMW cycle.
676
677         PR tree-optimization/52429
678         * tree-parloops.c (separate_decls_in_region_debug): Return early
679         if var is LABEL_DECL.
680
681 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
682
683         PR tree-optimization/52424
684         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
685         calling dom_thread_across_edge.
686
687 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
688
689         * config/avr/avr.c: Move definition of TARGET macros to end of file.
690
691 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
692
693         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
694         * config/avr/avr.c (avr_output_bld): Remove unused function.
695         (avr_out_sbxx_branch): Use "%T" to print bit position.
696
697 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
698
699         * config/avr/avr.md: Untabify.
700
701 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
702
703         * config/avr/avr.md (eqne): New code iterator.
704         (*dec-and-branchsi): Use it in text peephole's condition.
705         (*dec-and-branchhi): Ditto.
706         (*dec-and-branchqi): Ditto.
707
708 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
709
710         PR target/49939
711         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
712         the device does not have the skip-bug.
713
714 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
715
716         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
717         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
718         -mpretend-cmove): New.
719
720 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
721
722         PR bootstrap/52397
723         * df.h (struct df_d): Adjust comment that hard_regs_live_count
724         doesn't count DEBUG_INSN refs.
725         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
726         for DEBUG_INSN refs.
727
728 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
729
730         Partially revert:
731
732         2012-02-20  Richard Guenther  <rguenther@suse.de>
733         PR tree-optimization/52298
734         * tree-vect-stmts.c (vectorizable_load): Properly use
735         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
736         outer loops.
737
738 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
739
740         PR middle-end/51752
741         * gimple.h (gimple_in_transaction): New.
742         (gimple_set_in_transaction): New.
743         (struct gimple_statement_base): Add in_transaction field.
744         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
745         transaction loads.
746         (tree_ssa_lim_initialize): Compute transaction bits.
747         * tree.h (compute_transaction_bits): Protoize.
748         * trans-mem.c (tm_region_init): Use the heap to store BB
749         auxilliary data.
750         (compute_transaction_bits): New.
751
752 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
753
754         * gcc.c (display_help): Document --help=common and sort entries
755         alphabetically.
756
757 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
758
759         * doc/install.texi: Document check-$LANG specific shortcuts
760
761 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
762
763         PR target/51534
764         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
765         and vcgtu.
766         * config/arm/arm_neon.h: Regenerate.
767         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
768         (neon_vcgeu): New insn.
769         (neon_vcgtu): Likewise.
770         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
771         (ops): Unsigned comparison intrinsics call a different
772         builtin.
773
774 2012-02-28  Richard Guenther  <rguenther@suse.de>
775
776         PR target/52407
777         * config/i386/i386.c (ix86_expand_vector_set): Fix element
778         ordering for the VEC_CONCAT for two element vectors for
779         V2SFmode, V2SImode and V2DImode.
780
781 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
782
783         PR target/49448
784         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
785         detecting big-endian triplets.
786
787 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
788
789         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
790         mode if there is no type information available.
791
792 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
793
794         PR tree-optimization/53207
795         * doc/invoke.texi: Document as experimental and relying on graphite.
796
797 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
798
799         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
800         of initializer to changes from r184614.
801
802 2012-02-28  Richard Guenther  <rguenther@suse.de>
803
804         PR tree-optimization/52395
805         * tree-sra.c (build_ref_for_offset): Also look at the base
806         TYPE_ALIGN when figuring out the alignment of the replacement.
807
808 2012-02-28  Richard Guenther  <rguenther@suse.de>
809
810         PR tree-optimization/52402
811         * ipa-prop.c (ipa_modify_call_arguments): Properly use
812         mis-aligned types when creating the accesses at the call site.
813
814 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
815
816         * config/avr/builtins.def: New file.
817         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
818         * config/avr/avr.c (enum avr_builtin_id): Use it.
819         (avr_init_builtins): Use it. And use avr_bdesc.
820         (bdesc_1arg): Remove.
821         (bdesc_2arg): Remove.
822         (bdesc_3arg): Remove.
823         (struct avr_builtin_description): Add field n_args.
824         (avr_bdesc): New static variable using builtins.def.
825         (avr_expand_builtin): Use it.
826         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
827         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
828         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
829
830 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
831
832         PR target/52148
833         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
834         match only one single hard register with respective hard reg rtx.
835         (movmemx_<mode>): Ditto.
836         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
837         insn anatomy of movmem[x]_<mode>.
838         (avr_out_movmem): Same for printing assembler and operand usage.
839
840 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
841
842         PR target/49868
843         PR target/52261
844         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
845         address spaces located outside of device flash.
846
847         * config/avr/avr.h (base_arch_s): Remove field n_segments.
848         (mcu_type_s): Add field n_flash.
849         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
850         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
851         (AVR_MCU): Add N_FLASH argument.
852         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
853         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
854         macro __FLASH<n> if that address space makes sense for the device.
855         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
856         outside of target flash.
857         (avr_asm_named_section): Ditto.
858         (avr_asm_select_section): Ditto.
859         (avr_addr_space_convert): Ditto.
860         (avr_emit_movmemhi): Ditto.
861         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
862         address space is outside of device flash.
863         (avr_insert_attributes): Ditto.
864         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
865         avr_current_arch->n_segments.
866
867 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
868
869         PR target/52352
870         * config/i386/i386.md (*movabs<mode>_1): Enable only for
871         TARGET_LP64.
872         (*movabs<mode>_2): Likewise.
873
874 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
875
876         PR target/52375
877         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
878         s_register_operand in the test instead of REG_P.  Don't call
879         gen_reg_rtx if it won't be used.
880
881         PR tree-optimization/52376
882         * ipa-split.c (split_function): Ignore CLOBBER stmts.
883
884 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
885
886         * ifcvt.c (noce_get_condition): Check condition variable is not
887         small_register_classes_for_mode_p before accepting.
888
889 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
890
891         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
892
893 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
894
895         Revert:
896         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
897         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
898         tuning parameters.
899         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
900
901 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
902
903         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
904
905 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
906
907         * config/sh/predicates.md: Remove blank lines.
908         * config/sh/sh.c: Fix typos in comments.
909         * config/sh/constraints.md: Likewise.
910         * config/sh/sh.md: Remove blank lines.
911         Fix typos in comments.  Use ;; as comment characters.
912
913 2012-02-26  Walter Lee  <walt@tilera.com>
914
915         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
916         (replace_mov_pcrel_step2): Ditto.
917
918 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
919
920         PR debug/52001
921         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
922         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
923         and locs that reference values newer than the non-canonical value
924         at hand.  Return the canonical value as a worst case.
925         (memrefs_conflict_p): Walk canonical value's locs.
926
927         PR debug/52001
928         * cselib.c (preserve_only_constants): Rename to...
929         (preserve_constants_and_equivs): ... this.  Split out...
930         (invariant_or_equiv_p): ... this.  Preserve plus expressions
931         of other preserved expressions too.
932         (cselib_reset_table): Adjust.
933         * var-tracking.c (reverse_op): Use canonical value to build
934         reverse operation.
935
936 2012-02-23  Kai Tietz  <ktietz@redhat.com>
937
938         * config/i386/i386.c (ix86_delegitimize_address): Handle
939         UNSPEC_PCREL plus displacement.
940
941 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
942
943         PR target/52261
944         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
945         to test for unusedness in st X addressing.
946
947 2012-02-24  Richard Guenther  <rguenther@suse.de>
948
949         PR middle-end/52361
950         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
951         (is_gimple_reg_type): Move inline ...
952         * gimple.h (is_gimple_reg_type): ... here.
953
954 2012-02-24  Richard Guenther  <rguenther@suse.de>
955
956         PR middle-end/52361
957         * passes.c (execute_function_todo): When verifying SSA form
958         verify gimple form first.
959         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
960
961 2012-02-24  Richard Guenther  <rguenther@suse.de>
962
963         PR middle-end/52355
964         * fold-const.c (fold_addr_of_array_ref_difference): New function.
965         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
966
967 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
968
969         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
970
971 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
972
973         * tree-phinodes.c (make_phi_node): Mark static.
974         * tree-flow.h (make_phi_node): Remove extern decl.
975         * doc/gimple.texi (make_phi_node): Remove documentation.
976
977 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
978
979         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
980         * tree-ssa-sccvn.c (print_scc): Ditto.
981
982 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
983
984         * doc/passes.texi (Full redundancy elimination): Fix typo.
985
986 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
987
988         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
989
990 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
991
992         PR bootstrap/52287
993         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
994
995 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
996
997         PR c/52290
998         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
999
1000 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1001
1002         * config/avr/avr.md (code_stdname): Add ior, xor.
1003         (xior): New code iterator.
1004         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1005         (*<code_stdname><mode>qi.byte1-3): Ditto.
1006
1007 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1008
1009         PR tree-optimization/52019
1010         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1011         CLOBBER stmts.
1012
1013 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1014
1015         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1016         HAVE_INITFINI_ARRAY to work around namespace pollution in
1017         certain versions of newlib system headers.
1018         * config.in: Regenerate.
1019         * configure: Regenerate.
1020         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1021         instead of HAVE_INITFINI_ARRAY.
1022
1023 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1024
1025         PR target/52330
1026         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1027         is not offsettable memory reference.
1028
1029 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1030
1031         PR target/18145
1032         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1033         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1034
1035 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1036
1037         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1038         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1039
1040 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1041
1042         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1043         library on Solaris 8 even without TLS support.
1044         * configure: Regenerate.
1045
1046 2012-02-22  Richard Guenther  <rguenther@suse.de>
1047
1048         PR middle-end/52329
1049         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1050         for GIMPLE_DEBUG stmts.
1051
1052 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1053
1054         PR middle-end/51782
1055         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1056         according to the base object.
1057
1058 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1059
1060         PR rtl-optimization/50063
1061         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1062         and 2 (8-bit SP) in operand 2.
1063         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1064         setup to use movhi_sp_r instead of vanilla move to write SP.
1065         Adjust REG_CFA notes to superseed unspec.
1066         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1067         of vanilla move.
1068         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1069         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1070         irq_state 1 (IRQ known to be on) here.
1071
1072 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1073
1074         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1075         WORDS_BIG_ENDIAN.
1076         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1077         assign_hard_reg): Likewise.
1078
1079 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1080
1081         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1082
1083 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1084
1085         * config/avr/avr.md
1086         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1087         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1088
1089 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1090
1091         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1092         prototype from here to...
1093         * config/avr/avr.h: ...here.
1094
1095 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1096
1097         PR target/52294
1098         * thumb2.md (thumb2_shiftsi3_short): Split register and
1099         immediate shifts.  For register shifts tie operands 0 and 1.
1100         (peephole2 for above): Check that register-controlled shifts
1101         have suitably tied operands.
1102
1103 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1104
1105         PR target/52137
1106         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1107         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1108         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1109         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1110         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1111         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1112         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1113         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1114         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1115         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1116         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1117         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1118         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1119         bdver1_ssevector_avx256_unaligned_load,
1120         bdver1_ssevector_sse128_unaligned_load,
1121         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1122         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1123         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1124         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1125         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1126         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1127         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1128         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1129         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1130         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1131         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1132         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1133         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1134         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1135         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1136         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1137         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1138         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1139         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1140         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1141         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1142         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1143         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1144         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1145         bdver1_ssediv_double_load, bdver1_ssediv_double,
1146         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1147         Add "bdver2" attribute.
1148
1149 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1150
1151         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1152         default if possible and not specified otherwise.
1153
1154 2012-02-21  Richard Guenther  <rguenther@suse.de>
1155
1156         PR middle-end/52314
1157         * gimplify.c (create_tmp_from_val): Use the main variant type
1158         for the type of the temporary we create.
1159
1160 2012-02-21  Richard Guenther  <rguenther@suse.de>
1161
1162         PR tree-optimization/52324
1163         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1164         do not gimplify a MEM_REF address operand if it is already
1165         in suitable form.
1166
1167 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1168
1169         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1170         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1171
1172 2012-02-21  Richard Guenther  <rguenther@suse.de>
1173
1174         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1175         nested_in_vect_loop.
1176
1177 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1178
1179         PR tree-optimization/52318
1180         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1181         vdef also to non-pure/const call stmts in the sequence.
1182
1183 2012-02-20  David S. Miller  <davem@davemloft.net>
1184
1185         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1186         don't use the "rd %pc" instruction on v9 for PIC register loads.
1187
1188 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1189
1190         PR middle-end/52141
1191         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1192         in a transaction safe function.
1193
1194 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1195
1196         PR target/52238
1197         * stor-layout.c (place_field): Handle desired_align for
1198         ms-bitfields, too.
1199
1200 2012-02-20  Richard Guenther  <rguenther@suse.de>
1201
1202         PR tree-optimization/52298
1203         * tree-vect-stmts.c (vectorizable_store): Properly use
1204         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1205         outer loops.
1206         (vectorizable_load): Likewise.
1207         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1208         Access DR_STEP after ensuring it is not NULL.
1209
1210 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1211
1212         PR tree-optimization/52286
1213         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1214         optimization use double_int_to_tree instead of build_int_cst_wide,
1215         rewrite to use double_int vars.
1216
1217 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1218
1219         PR target/50166
1220         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1221         Define _start.
1222         Remove -e 0 from $gcc_cv_ld invocation.
1223         Only use __GLIBC_PREREQ if defined.
1224         Enable on Solaris since Solaris 8 patch.
1225         (gcc_SUN_LD_VERSION): New macro.
1226         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1227         gcc_SUN_LD_VERSION for version number format.
1228         * configure: Regenerate.
1229         * varasm.c (get_elf_initfini_array_priority_section): Set
1230         SECTION_NOTYPE for non-default priority.
1231         Use get_section instead of get_unnamed_section to emit
1232         .init_array/.fini_array with default priority.
1233
1234 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1235
1236         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1237         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1238         (mips_start_unique_function, mips_output_mips16_rdhwr)
1239         (mips_code_end): New functions.
1240         (TARGET_ASM_CODE_END): Define.
1241
1242 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1243
1244         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1245         to stubs with non-sibling calls.
1246
1247 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1248
1249         * doc/invoke.texi (-fira-* options): Copy-edit.
1250         (ira-* parameters): Copy-edit.
1251
1252 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1253
1254         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1255         GCC coding conventions.
1256
1257 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1258
1259         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1260         when used as adjectives.
1261
1262 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1263
1264         * doc/invoke.texi: Clean up "that"/"which" confusion.
1265
1266 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1267
1268         * system.h: Poison SMALL_REGISTER_CLASSES
1269         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1270         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1271
1272 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1273
1274         PR tree-optimization/52285
1275         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1276         when deciding if a call is a tail call or tail recursion.
1277
1278 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1279
1280         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1281         interger-constant displacement for UNSPEC_PCREL.
1282
1283 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1284
1285         PR rtl-optimization/52208
1286         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1287         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1288
1289         PR tree-optimization/52255
1290         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1291         loop->header has virtual PHI, but exit_e->dest doesn't, add
1292         virtual PHI to exit_e->dest and adjust all uses after the loop.
1293
1294         PR debug/52260
1295         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1296         children with clone_tree_hash, not after it.
1297
1298 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1299
1300         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1301         extended identifiers.
1302
1303 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1304
1305         PR middle-end/51929
1306         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1307         a same_body_alias, also test whether e->callee isn't a former
1308         or current clone of the decl this is a same body alias of.
1309
1310         PR translation/52264
1311         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1312
1313 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1314
1315         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1316
1317 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1318
1319         PR target/52199
1320         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1321         force_reg instead of copy_to_reg for better optimization.  Force
1322         non-register or memory operands into a register.
1323
1324 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1325
1326         * extend.texi: Reserve upper bits of memory model for future use.
1327
1328 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1329             Anatoly Sokolov <aesok@post.ru>
1330             Eric Weddington <eric.weddington@atmel.com>
1331
1332         PR target/52261
1333         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1334         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1335         Rewrite initializers for .macro.
1336         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1337         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1338         atxmega32d4, atxmega32x1.
1339         avrxmega4: atxmega64a3, atxmega64d3.
1340         avrxmega5: atxmega64a1, atxmega64a1u.
1341         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1342         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1343         avrxmega7: atxmega128a1, atxmega128a1u.
1344         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1345         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1346         (struct base_arch_s): Rename reserved to xmega_p.
1347         Rename reserved2 to have_rampd.
1348         (AVR_XMEGA): New define.
1349         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1350         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1351         * config/avr/predicates.md (io_address_operand): Take into
1352         account SFR offset.
1353         (low_io_address_operand): Ditto.
1354         (high_io_address_operand): Ditto.
1355         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1356         (enabled, movhi_sp_r): Use them.
1357         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1358         cpp_define_formatted to built-in define __AVR_ARCH__.
1359         (__AVR_XMEGA__): New built-in define.
1360         (__AVR_HAVE_RAMPD__): New built-in define.
1361         (__AVR_HAVE_RAMPX__): New built-in define.
1362         (__AVR_HAVE_RAMPY__): New built-in define.
1363         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1364
1365         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1366         (avr_option_override): Initialize them.
1367         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1368         (avr_init_expanders): Initialize them. No more block several calls.
1369         (emit_push_sfr): New static function.
1370         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1371         Handle AVR_XMEGA.
1372         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1373         (avr_print_operand): Print addreeses as symbols for
1374         RAMPX, RAMPY, RAMPD, CCP.
1375         (output_movhi): Handle AVR_XMEGA when writing to SP.
1376         (avr_out_movhi_mr_r_xmega): New static function.
1377         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1378         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1379         __RAMPD__,  __CCP__ as needed.
1380
1381         * config/avr/multilib.h: Regenerate.
1382         * config/avr/t-multilib: Regenerate.
1383         * config/avr/avr-tables.opt: Regenerate.
1384
1385 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1386
1387         PR tree-optimization/50561
1388         * graphite-flattening.c (lst_project_loop): Do not
1389         remove old scattering dimensions after flattening.
1390         (lst_do_flatten): Likewise.
1391
1392 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1393
1394         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1395         __builtin_avr_map8, __builtin_avr_map16.
1396         Document __builtin_avr_insert_bits.
1397
1398         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1399         (insert_bits): New insn.
1400         (adjust_len.map_bits): Rename to insert_bits.
1401         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1402         * avr-protos.h (avr_out_map_bits): Remove.
1403         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1404         * config/avr/constraints.md (Cxf,C0f): New.
1405         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1406         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1407         New built-in define __BUILTIN_AVR_INSERT_BITS.
1408         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1409         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1410         (avr_move_bits): Rewrite.
1411         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1412         functions.
1413         (avr_map_op_t): New typedef.
1414         (avr_map_op): New static variable.
1415         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1416         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1417         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1418         (bdesc_3arg, avr_expand_triop_builtin): New.
1419         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1420         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1421         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1422         (avr_map_equal_p, avr_map_sig_p): Remove.
1423         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1424         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1425         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1426         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1427         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1428         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1429
1430 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1431
1432         * config/c6x/c6x.md (reserve_cycles): New attribute.
1433         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1434         don't reserve functional units after the branch occurs.
1435
1436 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1437
1438         PR middle-end/52142
1439         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1440         functions into non-tm_pure functions.
1441
1442 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1443
1444         PR lto/52178
1445         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1446         (iterative_hash_canonical_type): Likewise.
1447         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1448         the dead edges.
1449
1450 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1451
1452         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1453         sched-group insn, it either remains alone or the entire list is pruned.
1454
1455 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1456
1457         * doc/install.texi (Prerequisites): Fix grammar.
1458         (Configuration): Likewise.
1459
1460 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1461
1462         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1463         MPC as part of GCC before describing configuring with --with-gmp etc.
1464         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1465         sources are present.
1466
1467 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1468
1469         PR debug/51950
1470         * dwarf2out.c (clone_tree_hash): New function.
1471         (copy_decls_walk): Use it instead of clone_tree.
1472
1473 2012-02-14  Richard Guenther  <rguenther@suse.de>
1474
1475         PR tree-optimization/52244
1476         PR tree-optimization/51528
1477         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1478         replacements for integral types.
1479
1480 2012-02-14  Walter Lee  <walt@tilera.com>
1481
1482         * config.gcc: Handle tilegx and tilepro.
1483         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1484         tilegx and tilepro.
1485         Add HAVE_AS_TLS check for tilegx and tilepro.
1486         * configure: Regenerate.
1487         * doc/contrib.texi: Add Mat Hostetter and self.
1488         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1489         Document instruction intrinsics and network accessing intrinsics.
1490         (TILEPro Built-in Functions): New node.  Document instruction
1491         intrinsics and network accessing intrinsics.
1492         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1493         (Specific, tilepro-*-linux*): Likewise.
1494         * doc/invoke.texi (TILE-Gx Options): New section.
1495         (TILEPro Options): New section.
1496         * doc/md.texi (TILE-Gx): New section.
1497         (TILEPro): New section.
1498         * common/config/tilegx/tilegx-common.c: New file.
1499         * common/config/tilepro/tilepro-common.c: New file.
1500         * config/tilegx/constraints.md: New file.
1501         * config/tilegx/linux.h: New file.
1502         * config/tilegx/mul-tables.c: New file.
1503         * config/tilegx/predicates.md: New file.
1504         * config/tilegx/sync.md: New file.
1505         * config/tilegx/t-tilegx: New file.
1506         * config/tilegx/tilegx-builtins.h: New file.
1507         * config/tilegx/tilegx-c.c: New file.
1508         * config/tilegx/tilegx-generic.md: New file.
1509         * config/tilegx/tilegx-modes.def: New file.
1510         * config/tilegx/tilegx-multiply.h: New file.
1511         * config/tilegx/tilegx-protos.h: New file.
1512         * config/tilegx/tilegx.c: New file.
1513         * config/tilegx/tilegx.h: New file.
1514         * config/tilegx/tilegx.md: New file.
1515         * config/tilegx/tilegx.opt: New file.
1516         * config/tilepro/constraints.md: New file.
1517         * config/tilepro/gen-mul-tables.cc: New file.
1518         * config/tilepro/linux.h: New file.
1519         * config/tilepro/mul-tables.c: New file.
1520         * config/tilepro/predicates.md: New file.
1521         * config/tilepro/t-tilepro: New file.
1522         * config/tilepro/tilepro-builtins.h: New file.
1523         * config/tilepro/tilepro-c.c: New file.
1524         * config/tilepro/tilepro-generic.md: New file.
1525         * config/tilepro/tilepro-modes.def: New file.
1526         * config/tilepro/tilepro-multiply.h: New file.
1527         * config/tilepro/tilepro-protos.h: New file.
1528         * config/tilepro/tilepro.c: New file.
1529         * config/tilepro/tilepro.h: New file.
1530         * config/tilepro/tilepro.md: New file.
1531         * config/tilepro/tilepro.opt: New file.
1532
1533 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1534
1535         PR tree-optimization/52210
1536         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1537         vect_model_simple_cost with two entry vect_def_type array instead
1538         of an address of dt.
1539
1540 2012-02-14  Richard Guenther  <rguenther@suse.de>
1541
1542         PR lto/52178
1543         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1544         Do not stream DECL_QUALIFIER.
1545         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1546         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1547         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1548
1549 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1550
1551         PR c/52181
1552         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1553         newdecl.
1554
1555 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1556
1557         PR bootstrap/52172
1558         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1559         * cselib.c (cselib_subst_to_values_from_insn): New function.
1560         * sched-deps.c (add_insn_mem_dependence,
1561         sched_analyze_1, sched_analyze_2): Use it.
1562
1563 2012-02-13  Jan Hubicka  <jh@suse.cz>
1564
1565         PR middle-end/52214
1566         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1567
1568 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1569
1570         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1571         (GTM_SELF_SPECS): Define if not already defined.
1572         (driver_self_specs): Add GTM_SELF_SPECS.
1573         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1574         (GTM_SELF_SPECS): Define.
1575         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1576         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1577
1578 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1579
1580         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1581         away if seen.
1582
1583         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1584
1585         PR middle-end/52230
1586         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1587         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1588
1589 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1590
1591         PR c/52190
1592         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1593
1594 2012-02-13  Richard Guenther  <rguenther@suse.de>
1595
1596         PR translation/52211
1597         * passes.c (enable_disable_pass): Fix typo.
1598
1599 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1600
1601         PR middle-end/52209
1602         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1603         XOR for reduce_bit_field if type is unsigned.
1604
1605 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1606
1607         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1608         disallow changes from SFmode to mode with different size in FP regs.
1609
1610 2012-02-12  Robert Millan  <rmh@gnu.org>
1611             Gerald Pfeifer <gerald@pfeifer.com>
1612
1613         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1614         Tweak comment.
1615
1616 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1617
1618         PR rtl-optimization/52175
1619         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1620         to frame-related instructions.
1621
1622 2012-02-10  Jason Merrill  <jason@redhat.com>
1623
1624         PR c++/51910
1625         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1626         (demangle_new_symbols): Fill it.
1627         (scan_linker_output): Walk it.
1628         (start_tweaking): Split out from scan_linker_output.
1629         (maybe_tweak): Update sym->chosen.
1630         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1631
1632 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1633
1634         PR debug/52132
1635         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1636
1637 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1638
1639         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1640         having the same mode as previous compare.
1641
1642 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1643
1644         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1645         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1646         (nonlocal_goto_internal): Likewise.
1647         (nonlocal_goto): Emit a use and an indirect jump directly.
1648
1649 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1650
1651         PR c/52190
1652         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1653         __atomic_{is,always}_lock_free.
1654
1655 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1656
1657         PR target/52146
1658         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1659         negative constant address for x32.
1660
1661 2012-02-10  Richard Henderson  <rth@redhat.com>
1662
1663         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1664         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1665         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1666
1667 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1668             Ira Rosen  <irar@il.ibm.com>
1669
1670         PR tree-optimization/50031
1671         * targhooks.c (default_builtin_vectorization_cost): Handle
1672         vec_promote_demote.
1673         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1674         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1675         all types of reduction and pattern statements.
1676         (vect_estimate_min_profitable_iters): Likewise.
1677         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1678         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1679         for explicit realigns.
1680         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1681         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1682         vec_promote_demote.
1683         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1684         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1685         vec_perm for VSX and handle vec_promote_demote.
1686
1687 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1688
1689         PR middle-end/52177
1690         * builtins.c (fold_builtin_atomic_always_lock_free,
1691         expand_builtin_atomic_always_lock_free,
1692         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1693         Return and/or test boolean_true_node/boolean_false_node instead of
1694         integer_one_node/integer_zero_node.
1695
1696 2012-02-10  Jan Hubicka  <jh@suse.cz>
1697
1698         PR middle-end/48600
1699         * predict.c (predict_paths_for_bb): Prevent looping.
1700         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1701
1702 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1703
1704         * config/arm/arm.c (output_move_double): In one case properly
1705         count number of instructions that will be emitted.
1706
1707 2012-02-10  Richard Guenther  <rguenther@suse.de>
1708
1709         PR translation/52193
1710         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1711
1712 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1713
1714         PR middle-end/52140
1715         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1716
1717 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1718
1719         PR debug/52165
1720         * var-tracking.c (emit_note_insn_var_location): If
1721         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1722         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1723         non-NOTE_DURING_CALL_P insn.
1724
1725 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1726
1727         PR middle-end/51867
1728         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1729
1730 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1731
1732         PR driver/48524
1733         * gcc.c (switch_matches) Support switches with separated form,
1734         -D and -U.
1735
1736 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1737
1738         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1739         (SP_ADDR): Ditto.
1740         (RAMPZ_ADDR): Ditto.
1741         * config/avr/avr.c (avr_addr_t): New typedef.
1742         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1743         (avr_init_expanders): Initialize it.
1744         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1745         SREG_ADDR.
1746         (expand_epilogue): Ditto.
1747         (avr_print_operand): Ditto.
1748         (avr_file_start): Ditto.
1749         (avr_emit_movmemhi): Ditto.
1750
1751 2012-02-08  Richard Guenther  <rguenther@suse.de>
1752
1753         PR tree-optimization/46886
1754         * tree-flow.h (do_while_loop_p): Declare.
1755         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1756         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1757
1758 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1759
1760         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1761         always succeed for integers larger than a native word.
1762
1763 2012-02-08  Richard Guenther  <rguenther@suse.de>
1764
1765         PR rtl-optimization/52170
1766         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1767         properly handle integer vector modes.
1768
1769 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1770
1771         PR gcov-profile/52150
1772         * coverage.c: Include target.h.
1773         (build_var): Call targetm.strip_name_encoding on the assembler name.
1774         Change one _ into . or $ if the target allows it.
1775         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1776
1777         PR rtl-optimization/52139
1778         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1779         is a BARRIER after emit_insn_after_noloc, move BB_END
1780         to the last non-BARRIER insn before it.
1781
1782 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1783
1784         PR middle-end/24306
1785         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1786         (mips_gimplify_va_arg_expr): Call it instead of
1787         std_gimplify_va_arg_expr.
1788
1789 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1790
1791         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1792         message for -mno-pointers-to-nested-function.
1793
1794 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1795
1796         PR middle-end/51994
1797         * expr.c (get_inner_reference): If there is an offset, add a negative
1798         bit position to it (if any).
1799
1800 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1801
1802         PR rtl-optimization/52060
1803         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1804         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1805         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1806         and/or i0src_copy2 when needed.
1807
1808 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1809
1810         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1811         or LTOPLUGINSONAME if have_c.
1812
1813         * config/freebsd-spec.h: Add comment about what macros can be defined
1814         in this header.
1815         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1816         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1817         here instead.
1818
1819 2012-02-07  Richard Guenther  <rguenther@suse.de>
1820
1821         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1822         newline in -alias dumps.
1823
1824 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1825             Dave Korn  <dave.korn.cygwin@gmail.com>
1826
1827         PR target/40068
1828         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1829         Take care that typinfo gets dllexport-attribute.
1830
1831 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1832
1833         PR middle-end/52074
1834         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1835         if modifier < EXPAND_SUM call force_operand on the result.
1836
1837 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1838
1839         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1840         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1841         present.
1842         (epiphany_function_type): Replace types for specific interrupts with
1843         EPIPHANY_FUNCTION_INTERRUPT.
1844         (EPIPHANY_INTERRUPT_P): Update.
1845         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1846         New static function.
1847         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1848         <disinterrupt>: Affects type identity.
1849         (epiphany_handle_interrupt_attribute): Handle variable number of
1850         arguments.
1851         (epiphany_compute_function_type): Update for new
1852         epiphany_function_type definition.
1853         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1854         handlers with a longcall forwarder.
1855         (epiphany_start_function): Handle multiple interrupt arguments and/or
1856         forwarder_section attribute.
1857
1858         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1859         libgloss.
1860
1861 2012-02-07  Alan Modra  <amodra@gmail.com>
1862
1863         PR target/52107
1864         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1865         subregs of TFmode.
1866
1867 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1868
1869         PR tree-optimization/50969
1870         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1871         use vec_perm rather than vector_stmt.
1872         (vect_model_load_cost): Likewise.
1873         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1874         vec_perm to be the same as other vector statements.
1875         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1876         cost of vec_perm for TARGET_VSX.
1877
1878 2012-02-06  Richard Guenther  <rguenther@suse.de>
1879
1880         PR tree-optimization/52115
1881         * tree-sra.c (access_has_replacements_p): New function.
1882         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1883
1884 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1885
1886         PR middle-end/52047
1887         * trans-mem.c (expand_call_tm): Add an assertion.
1888         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1889         functions.
1890
1891 2012-02-06  Richard Guenther  <rguenther@suse.de>
1892
1893         PR tree-optimization/50955
1894         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1895         raise cost of expressions that replace an address with an
1896         expression based on a different pointer.
1897
1898 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1899
1900         PR target/52129
1901         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1902         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1903
1904 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1905
1906         PR c++/48680
1907         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1908         -Weffc++ and specify guidelines come from second edition.
1909
1910 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1911
1912         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1913         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1914         (call_direct_split, call_value_split, call_value_internal_direct)
1915         (call_value_direct_split, call_value_multiple_split): Use jal and
1916         jal_macro attributes.
1917
1918 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1919
1920         * reload1.c (reload_regs_reach_end_p): Replace with...
1921         (reload_reg_rtx_reaches_end_p): ...this function.
1922         (new_spill_reg_store): Update commentary.
1923         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1924         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1925         before setting new_spill_reg_store.
1926         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1927         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1928         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1929         for non-spill reload registers.
1930
1931 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1932
1933         PR tree-optimization/52091
1934         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1935         (vect_is_simple_use_1): Likewise.
1936         * tree-vect-loop.c (vectorizable_reduction): Update calls
1937         to vect_is_simple_use_1 and vect_is_simple_use.
1938         (vectorizable_live_operation): Likewise.
1939         * tree-vect-patterns.c (widened_name_p,
1940         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1941         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1942         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1943         vectorizable_shift,vectorizable_operation, vectorizable_store,
1944         vectorizable_load): Likewise.
1945         (vect_is_simple_cond): Add an argument, pass it to
1946         vect_is_simple_use_1.
1947         (vectorizable_condition): Update calls to vect_is_simple_cond,
1948         vect_is_simple_use.
1949         (vect_is_simple_use): Add an argument, the statement in which
1950         OPERAND is used.  Check that if OPERAND's def stmt is a double
1951         reduction phi node, the use is a phi node too.
1952         (vect_is_simple_use_1): Add an argument, pass it to
1953         vect_is_simple_use.
1954         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1955         to vect_is_simple_use.
1956
1957 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1958
1959         PR rtl-optimization/52095
1960         * modulo-sched.c (dump_insn_locator): New function.
1961         (loop_canon_p, sms_schedule): Use it.
1962
1963         PR rtl-optimization/52113
1964         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1965         even for decomposable shift/zext insns.
1966
1967 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1968             Zdenek Dvorak  <ook@ucw.cz>
1969
1970         PR rtl-optimization/52092
1971         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1972         on get_iv_value result.
1973
1974 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1975
1976         PR middle-end/47982
1977         PR middle-end/43967
1978         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1979
1980 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1981
1982         PR middle-end/48071
1983         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1984
1985 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1986
1987         PR rtl-optimization/49800
1988         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1989         (sched_finish): Call regstat_free_n_sets_and_refs.
1990
1991 2012-02-02  Jia Liu  <proljc@gmail.com>
1992
1993         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1994         than operand 2.
1995
1996 2012-02-02  Jan Hubicka  <jh@suse.cz>
1997             Tom de Vries  <tom@codesourcery.com>
1998
1999         PR middle-end/51998
2000         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2001         * varpool.c (varpool_analyze_pending_decls): Likewise.
2002
2003 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2004             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2005
2006         * config.gcc: Add cr16-* support.
2007
2008         * doc/extend.texi: Document cr16 extensions.
2009         * doc/install.texi: Document cr16 install.
2010         * doc/invoke.texi: Document cr16 options.
2011         * doc/md.texi: Document cr16 constraints.
2012
2013         * common/config/cr16/cr16-common.c: New file.
2014         * config/cr16/cr16.c: New file.
2015         * config/cr16/cr16.h: New file.
2016         * config/cr16/cr16.md: New file.
2017         * config/cr16/cr16.opt: New file.
2018         * config/cr16/cr16-protos.h: New file.
2019         * config/cr16/predicates.md: New file.
2020         * config/cr16/constraints.md: New file.
2021         * config/cr16/t-cr16: New file.
2022
2023 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2024
2025         PR target/52086
2026         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2027         that operands[2] is either immediate, or q_regs_operand.
2028
2029         PR tree-optimization/52073
2030         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2031         a pattern stmt for pattern uses, ignore uses outside of the loop.
2032
2033 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2034
2035         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2036         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2037         (OUT_AS1, OUT_AS2): Remove.
2038
2039 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2040
2041         PR rtl-optimization/51374
2042         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2043         to cross other volatile_refs_p insns.
2044
2045 2012-02-01  Richard Guenther  <rguenther@suse.de>
2046
2047         * doc/invoke.texi (fno-inline): Clarify documentation.
2048         (finline-small-functions): Likewise.
2049         (finline-functions): Likewise.
2050         * common.opt (finline): Adjust comment and documentation.
2051         (finline-small-functions): Clarify documentation.
2052         (finline-functions): Likewise.
2053         (finline-functions-called-once): Likewise.
2054
2055 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2056
2057         * c-typeck.c (composite_type): Keep mode for pointers.
2058
2059 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2060
2061         * function.h (regno_reg_rtx): Adjust comment.
2062         * reginfo.c (init_reg_modes_target): Only use the previous mode
2063         if it fits within one register.  Remove MIPS comment.
2064
2065 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2066
2067         PR bootstrap/52058
2068         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2069
2070 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2071
2072         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2073         to srak instruction.
2074
2075 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2076
2077         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2078
2079 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2080
2081         PR bootstrap/52041
2082         PR bootstrap/52039
2083         PR target/51974
2084         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2085
2086 2012-01-31  Richard Guenther  <rguenther@suse.de>
2087
2088         PR tree-optimization/51528
2089         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2090         assigns.
2091
2092 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2093
2094         PR bootstrap/52041
2095         PR bootstrap/52039
2096         PR target/51974
2097         * ree.c (add_removable_extension): Change def_map argument
2098         to unsigned *, store in def_map 1 + offset into *insn_list vector
2099         instead of pointers into the vector.
2100         (find_removable_extensions): Adjust caller.
2101
2102 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2103
2104         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2105         Transform all "* quoted-c-code" to { c-code }.
2106         Remove redundant test for "optimize" in combine patterns.
2107         Move (include "avr-dimode.md") to end of file.
2108
2109 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2110
2111         PR target/51835
2112         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2113         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2114
2115 2012-01-30  Richard Guenther  <rguenther@suse.de>
2116
2117         PR tree-optimization/52028
2118         * tree-loop-distribution.c (ldist_gen): Properly update
2119         virtual SSA form.
2120
2121 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2122
2123         PR debug/52027
2124         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2125         set_cur_line_info_table if not emitting debug info.
2126
2127         PR tree-optimization/52046
2128         * tree-vect-patterns.c (check_bool_pattern): Give up if
2129         a comparison could throw.
2130
2131         PR debug/52048
2132         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2133
2134 2012-01-30  Richard Guenther  <rguenther@suse.de>
2135
2136         PR tree-optimization/52045
2137         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2138         SSA form if cfgcleanup did anything.
2139
2140 2012-01-30  Richard Guenther  <rguenther@suse.de>
2141
2142         PR tree-optimization/52045
2143         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2144         before computing final todo.
2145
2146 2012-01-30  Richard Guenther  <rguenther@suse.de>
2147
2148         PR tree-optimization/51528
2149         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2150         for PR51528 fix.
2151
2152 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2153
2154         * df-problems.c (df_kill_notes): Check that the use refers
2155         to the note under examination.
2156
2157 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2158
2159         PR target/51920
2160         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2161         parameter and use short-lived pseudos.
2162         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2163         (sparc_expand_vector_init): Const-ify local variables and adjust
2164         calls to above functions.
2165
2166 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2167
2168         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2169
2170 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2171
2172         * doc/invoke.texi: Make usage of "compile time" and
2173         "run time"/"runtime" consistent throughout the file.
2174
2175 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2176
2177         * config/alpha/alpha.c (alpha_option_override): Default to
2178         full IEEE compliance mode for Go language.
2179
2180 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2181
2182         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2183         (LINK_SSP_SPEC): Define.
2184
2185 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2186
2187         PR target/51871
2188         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2189         stubs.
2190
2191 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2192
2193         * doc/invoke.texi: Correct hyphenation of "floating point",
2194         "double precision", and related terminology throughout the file.
2195
2196 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2197
2198         PR target/52006
2199         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2200         arm_general_register_operand predicate for operand 2 instead of
2201         register_operand.
2202
2203 2012-01-27  Ian Lance Taylor  <iant@google.com>
2204
2205         PR go/47656
2206         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2207         * builtins.c (expand_builtin_init_trampoline): Add onstack
2208         parameter.  Change caller.
2209         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2210         * tree.c (build_common_builtin_nodes): Declare
2211         __builtin_init_heap_trampoline.
2212
2213 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2214
2215         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2216         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2217         * config/avr/avr.c: Ditto.
2218         (avr_regnames): Remove because unused.
2219         * config/avr/avr.md (*cpse.ne): New peephole.
2220         (*cpse.eq): New peephole from former cpse peepholes.
2221
2222 2012-01-27  Michael Eager  <eager@eagercon.com>
2223
2224         * config/microblaze.c (microblaze_emit_compare): Correct
2225         test after pcmp instruction.
2226
2227 2012-01-27  Richard Guenther  <rguenther@suse.de>
2228
2229         PR tree-optimization/52020
2230         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2231
2232 2012-01-27  Richard Guenther  <rguenther@suse.de>
2233
2234         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2235         function non-const/pure.
2236
2237 2012-01-27  Richard Guenther  <rguenther@suse.de>
2238
2239         PR tree-optimization/50444
2240         * tree-sra.c (build_ref_for_offset): Properly adjust the
2241         MEM_REF type for unaligned accesses.
2242
2243 2012-01-27  Richard Guenther  <rguenther@suse.de>
2244
2245         PR tree-optimization/50444
2246         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2247         (expand_assignment): Use it.  Properly handle misaligned
2248         bases when expanding stores to component references.
2249         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2250         refactor that case.
2251
2252 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2253
2254         PR middle-end/51389
2255         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2256         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2257         * tree-data-ref.c (find_data_references_in_loop): Make static.
2258         (compute_all_dependences): Change return type to bool.  Bail out
2259         for too many datarefs in a loop.  Move the hunk resetting the data
2260         dependences vector from ...
2261         (compute_data_dependences_for_loop): ... here.  Account for
2262         compute_all_dependences returning false.
2263         (compute_data_dependences_for_bb): Likewise.
2264         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2265         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2266
2267 2012-01-27  Richard Guenther  <rguenther@suse.de>
2268
2269         PR middle-end/51959
2270         * expr.c (store_field): Use the alias-set of the scratch memory
2271         for storing to it.
2272
2273 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2274
2275         PR tree-optimization/51990
2276         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2277         WITH_SIZE_EXPR.
2278         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2279
2280 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2281
2282         PR debug/52001
2283         * var-tracking.c (reverse_op): Don't add any reverse operation
2284         if V already has any constant locations.
2285
2286 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2287
2288         * doc/invoke.texi: Correct usage of "command line" (noun)
2289         vs "command-line" (adjective) throughout.
2290
2291 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2292
2293         * doc/invoke.texi (Language Independent Options): Move
2294         -Wcoverage-mismatch blurb from here....
2295         (Warning Options): ...to here.
2296
2297 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2298
2299         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2300         Set rs6000_always_hint to false for 476.
2301
2302 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2303
2304         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2305           system root.
2306         * incpath.c (add_standard_paths): Likewise.
2307
2308 2012-01-27  Richard Henderson  <rth@redhat.com>
2309
2310         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2311         * config/m68k/sync.md (atomic_test_and_set): Rename from
2312         sync_test_and_setqi and adjust the operands.
2313         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2314         and unconditionally enable.
2315
2316 2012-01-27  Richard Henderson  <rth@redhat.com>
2317
2318         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2319         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2320         (ldstub): Rename from ldstubqi.
2321         (ldstub<I24MODE>): Remove.
2322
2323 2012-01-27  Richard Henderson  <rth@redhat.com>
2324
2325         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2326         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2327         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2328         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2329         * doc/tm.texi: Rebuild.
2330
2331 2012-01-27  Richard Henderson  <rth@redhat.com>
2332
2333         * optabs.c (gen_atomic_test_and_set): Remove default.
2334         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2335
2336 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2337
2338         PR rtl-optimization/51978
2339         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2340         (combine_reaching_defs): Likewise.
2341         (struct re_info): Remove.
2342         (add_removable_extension): Remove x and data arguments,
2343         add insn, insn_list and def_map.  Use the arguments directly
2344         instead of using struct re_info.
2345         (find_removable_extensions): Don't call add_removable_extension
2346         through note_stores, instead just call it with single_set
2347         result if non-NULL.
2348         (find_and_remove_re): Pass curr_cand->expr instead of
2349         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2350
2351 2012-01-26  Michael Matz  <matz@suse.de>
2352
2353         PR tree-optimization/46590
2354         * cfgexpand.c: Revert last change (r183305).
2355         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2356         regs.
2357         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2358         checking for emptiness.
2359
2360 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2361
2362         PR middle-end/51895
2363         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2364         non-addressable non-BLKmode base correctly.
2365
2366 2012-01-26  Michael Matz  <matz@suse.de>
2367
2368         PR tree-optimization/48794
2369         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2370         regions referenced from RESX/EH_DISPATCH.
2371
2372 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2373
2374         * config/s390/s390.h: Make BRANCH_COST an option.
2375         * config/s390/s390.opt: New option -mbranch-cost.
2376
2377 2012-01-26  Richard Henderson  <rth@redhat.com>
2378
2379         Revert 2012-01-24 change:
2380         * trans-mem.c (requires_barrier): Do not instrument thread local
2381         variables and emit save/restore for them.
2382
2383 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2384
2385         PR middle-end/51986
2386         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2387         for pat == 0.
2388
2389 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2390
2391         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2392         ASM_OPERANDS.
2393
2394 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2395
2396         PR target/49868
2397         Rename __pgm to __flash.
2398         Rename __pgm1 to __flash1.
2399         Rename __pgm2 to __flash2.
2400         Rename __pgm3 to __flash3.
2401         Rename __pgm4 to __flash4.
2402         Rename __pgm5 to __flash5.
2403         Rename __pgmx to __memx.
2404         * doc/extend.texi (AVR Named Address Spaces)
2405         Rename address space names as indicated above.
2406         * config/avr/avr.c (avr_addrspace): Ditto.
2407
2408         * config/avr/avr-protos.h
2409         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2410         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2411         * config/avr/predicates.md: Ditto.
2412         * config/avr/avr.c Ditto, and
2413         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2414         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2415
2416         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2417         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2418         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2419         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2420         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2421         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2422         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2423         * config/avr/avr.c: Ditto.
2424         * config/avr/avr.md: Ditto.
2425
2426 2012-01-25  Jason Merrill  <jason@redhat.com>
2427
2428         PR c++/51992
2429         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2430
2431 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2432
2433         PR tree-optimization/51987
2434         * tree-data-ref.c (get_references_in_stmt): Handle references in
2435         non-volatile GIMPLE_ASM.
2436
2437 2012-01-25  Richard Guenther  <rguenther@suse.de>
2438
2439         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2440         bases are dereferenced.
2441
2442 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2443
2444         PR rtl-optimization/48374
2445         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2446
2447 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2448
2449         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2450         compute_data_dependences_for_loop returns false.
2451         * tree-parloops.c (loop_parallel_p): Likewise.
2452
2453 2012-01-25  Richard Guenther  <rguenther@suse.de>
2454
2455         * tree.h (get_pointer_alignment_1): Declare.
2456         * builtins.c (get_pointer_alignment_1): New function.
2457         (get_pointer_alignment): Use it.
2458
2459 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2460
2461         PR rtl-optimization/48308
2462         * combine.c (enum undo_kind): Add UNDO_LINKS.
2463         (struct undo): Add member l to other_contents and where.
2464         (do_SUBST_LINK): New.
2465         (SUBST_LINK): New.
2466         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2467         (undo_all): Handle UNDO_LINKS.
2468
2469 2012-01-25  Richard Henderson  <rth@redhat.com>
2470
2471         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2472         mem inputs.
2473
2474 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2475
2476         * optabs.c (gen_atomic_test_and_set): Use each argument.
2477
2478 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2479
2480         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2481         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2482         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2483         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2484         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2485         TARGET_PAIRED_SINGLE_FLOAT.
2486
2487 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2488
2489         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2490         (in_struct, return_val): Remove MEM documentation.
2491         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2492         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2493         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2494         and MEM_SCALAR.
2495         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2496         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2497         * expr.c (store_field): Likewise.
2498         * function.c (assign_stack_temp_for_type): Likewise.
2499         * ifcvt.c (noce_try_cmove_arith): Likewise.
2500         * reload1.c (reload): Likewise.
2501         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2502         (alpha_set_memflags): Likewise.
2503         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2504
2505 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2506
2507         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2508         parameter.
2509         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2510         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2511         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2512         varies parameter.
2513         * cselib.c (cselib_rtx_varies_p): Delete.
2514         (cselib_invalidate_mem): Update call to canon_true_dependence.
2515         * dse.c (record_store, check_mem_read_rtx): Likewise.
2516         (scan_reads_nospill): Likewise.
2517         * cse.c (check_dependence): Likewise.
2518         (cse_rtx_varies_p): Delete.
2519         * expr.c (safe_from_p): Update call to true_dependence.
2520         * ira.c (validate_equiv_mem_from_store): Likewise.
2521         (memref_referenced_p): Likewise.
2522         * postreload-gcse.c (find_mem_conflicts): Likewise.
2523         * sched-deps.c (sched_analyze_2): Likewise.
2524         * store-motion.c (load_kills_store): Likewise.
2525         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2526         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2527         (compute_transp): Update call to canon_true_dependence.
2528
2529 2012-01-25  Richard Henderson  <rth@redhat.com>
2530
2531         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2532         (maybe_emit_atomic_test_and_set): New.
2533         (expand_sync_lock_test_and_set): Use it.
2534         (expand_atomic_test_and_set): Likewise.
2535         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2536         the implementation; clarify implementation defined details.
2537         * doc/md.texi (atomic_test_and_set): Document.
2538
2539 2012-01-25  Richard Henderson  <rth@redhat.com>
2540
2541         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2542
2543 2012-01-25  Richard Henderson  <rth@redhat.com>
2544
2545         PR target/51968
2546         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2547         to effect no-op split.
2548
2549 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2550
2551         PR lto/51698
2552         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2553         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2554         (BT_FN_VOID_PTR_INT_SIZE): New.
2555         (BT_FN_UINT_UINT_VAR): Remove.
2556         (BT_FN_UINT32_UINT32_VAR): New.
2557         (BT_FN_DOUBLE_VPTR): Remove.
2558         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2559
2560         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2561         (_ITM_changeTransactionMode): Same.
2562         (_ITM_memmoveRtWt): Change return type to void.
2563         (_ITM_memcpyRtWt): Same.
2564         (_ITM_memsetW): Same.
2565         (_ITM_RaRD): Change types to double.
2566         (_ITM_RD): Same.
2567         (_ITM_RaWD): Same.
2568         (_ITM_RfWD): Same.
2569
2570         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2571
2572 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2573             Patrick Marlier  <patrick.marlier@gmail.com>
2574
2575         * trans-mem.c (requires_barrier): Do not instrument thread local
2576         variables and emit save/restore for them.
2577
2578 2012-01-24  Jason Merrill  <jason@redhat.com>
2579
2580         PR c++/51812
2581         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2582         output static aliases.
2583
2584 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2585
2586         PR driver/47249
2587         * common.opt (-pie, -shared, pie, shared): Change from Common to
2588         Driver.
2589         * gcc.c (display_help): Display help for -pie and -shared.
2590
2591 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2592
2593         PR target/49868
2594         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2595         Remove note on size/offset limitation.
2596         (AVR Variable Attributes): Add example how to read data located
2597         with progmem.  Refer to named address spaces.
2598         * doc/invoke.texi (AVR Options): Fix typo.
2599
2600 2012-01-24  Richard Guenther  <rguenther@suse.de>
2601
2602         Forward-port to trunk
2603         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2604
2605         PR middle-end/45678
2606         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2607         op0 isn't sufficiently aligned and there is movmisalignM
2608         insn for mode, use it to load op0 into a temporary register.
2609
2610 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR target/51957
2613         * target.def (const_not_ok_for_debug_p): New hook.
2614         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2615         documentation.
2616         * doc/tm.texi: Regenerated.
2617         * dwarf2out.c (const_ok_for_output_1): If
2618         targetm.const_not_ok_for_debug_p returns true, fail.
2619         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2620         function.
2621         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2622
2623 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2624
2625         PR target/51900
2626         * config/i386/predicates.md (symbolic_operand): Allow
2627         UNSPEC_PCREL as PIC expression for lea.
2628         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2629         * config/i386/i386.c (ix86_delegitimize_address): Handle
2630         UNSPEC_PCREL for none-MEM, too.
2631
2632 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2633
2634         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2635         (ipa_tm_create_version_alias): Same.
2636
2637 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2638
2639         PR libitm/51830
2640         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2641         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2642
2643 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2644             Patrick Marlier  <patrick.marlier@gmail.com>
2645             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2646
2647         PR lto/51916
2648         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2649         simple_object_start_read.
2650
2651 2012-01-23  Richard Guenther  <rguenther@suse.de>
2652
2653
2654         PR tree-optimization/51895
2655         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2656         parameter decomposition into BLKmode components.
2657
2658 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2659
2660         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2661         fake variables for restrict-qualified pointers whose pointed-to type
2662         contains a placeholder.
2663
2664 2012-01-23  Richard Guenther  <rguenther@suse.de>
2665
2666         PR tree-optimization/51949
2667         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2668
2669 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2670
2671         PR rtl-optimization/51933
2672         * ree.c (transform_ifelse): Return true right away if dstreg is
2673         already wider or equal to cand->mode.
2674         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2675         (make_defs_and_copies_lists): Remove defs_list and copies_list
2676         arguments, add state argument, just truncate state->work_list
2677         instead of always allocating and freeing the vector.  Assert that
2678         get_defs succeeds instead of returning 2.  Changed return type to bool.
2679         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2680         have ext_src_mode, see if it has been modified already with the
2681         right kind of extension and has been extended before from the
2682         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2683         just return true.  Remember the original mode in state->modified array.
2684         (combine_reaching_defs): Add state argument.  Don't allocate and
2685         free here def_list, copied_list and vec vectors, instead just
2686         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2687         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2688         Add state variable, clear vectors in it, initialize state.modified
2689         if needed.  Free all the vectors at the end and state.modified too.
2690         Don't skip a candidate if the extension expression has been modified.
2691
2692 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2693
2694         PR target/47096
2695         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2696          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2697         (extra_options) interix.opt -> i386/interix.opt"
2698         (extra_objs):Add winnt-stubs.o
2699         * configure.ac: Add interix to target_os .comm on PE check.
2700         * configure: Regenerate.
2701         * config/interix3.h: Delete and move bits to..
2702         * config/interix.h: Delete and move bits to..
2703         * config/i386/i386-interix3.h: Delete and move bits to..
2704         * config/i386/i386-interix.h: ..here.
2705         (TARGET_CPU_DEFAULT): Remove redefinition.
2706         (TARGET_ASM_CONSTRUCTOR): Undefine.
2707         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2708         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2709         (PTRDIFF_TYPE): Define.
2710         (LONG_DOUBLE_TYPE_SIZE): Define.
2711         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2712         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2713         (TARGET_SECTION_TYPE_FLAGS): Define.
2714         (ASM_DECLARE_FUNCTION_NAME): Define.
2715         (ASM_OUTPUT_EXTERNAL): Define.
2716         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2717         (ASM_OUTPUT_ALIGNED_BSS): Define.
2718         (PCC_BITFIELD_TYPE_MATTERS): Define.
2719         (USE_CONST_SECTION): Define.
2720         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2721         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2722         (SUPPORTS_ONE_ONLY): Remove.
2723         (I386_PE_STRIP_ENCODING): Define.
2724         * config/interix.opt: Delete and move bits to..
2725         * config/i386/interix.opt: ..here. New.
2726         (mpe-aligned-commons): Add.
2727         * config/i386/t-interix: Add copyright header.
2728         (winnt-stubs.o): Add rule.
2729
2730 2012-01-22  Jason Merrill  <jason@redhat.com>
2731
2732         PR c++/51832
2733         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2734         for extra name aliases.
2735
2736 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2737
2738         PR rtl-optimization/51924
2739         * ree.c (combine_set_extension): Improve debugging message.
2740         (combine_reaching_defs): Likewise.
2741         (get_defs): Rename confusingly named variable.
2742         (find_and_remove_re): Skip a candidate if the extension expression has
2743         been modified.
2744
2745 2012-01-21  Robert Millan  <rmh@gnu.org>
2746             Gerald Pfeifer  <gerald@pfeifer.com>
2747
2748         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2749         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2750
2751 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2752
2753         PR tree-optimization/51914
2754         * tree-vect-stmts.c (vectorizable_conversion): For
2755         cvt_type && modifier == WIDEN, put temporary with cvt_type
2756         at the beginning of vec_dsts and set vec_dest to temporary
2757         with vectype_out.
2758
2759 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2760
2761         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2762
2763 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2764
2765         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2766         * config/rs6000/rs6000.c: Likewise.
2767
2768 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2769
2770         PR target/51915
2771         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2772         output_move_double on a copy of operands array.
2773
2774 2012-01-20  Cary Coutant  <ccoutant@google.com>
2775             Dodji Seketeli  <dodji@redhat.com>
2776
2777         PR debug/45682
2778         * dwarf2out.c (copy_declaration_context): Return ref to parent
2779         of declaration DIE, if necessary.
2780         (remove_child_or_replace_with_skeleton): Add new parameter; update
2781         caller.  Place skeleton DIE under parent DIE of original declaration.
2782         Move call to copy_declaration_context to here ...
2783         (break_out_comdat_types): ... from here.
2784
2785 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2786
2787         PR rtl-optimization/51856
2788         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2789         flag to reloaded.
2790
2791 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2792
2793         PR target/51819
2794         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2795         hints for neon loads and stores.
2796
2797 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2798
2799         PR target/49868
2800         PR target/50887
2801         * doc/extend.texi (Named Address Spaces): Split into subsections.
2802         (AVR Named Address Spaces): New subsection.
2803         (M32C Named Address Spaces): New subsection.
2804         (RL78 Named Address Spaces): New subsection.
2805         (SPU Named Address Spaces): New subsection.
2806         (Variable Attributes): New anchor "AVR Variable Attributes".
2807         (AVR Variable Attributes): Rewrite and avoid wording
2808         "address space" in this context.
2809         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2810         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2811         (AVR Built-in Macros): New subsubsection therein.
2812         * doc/md.texi (AVR constraints): Remove "C04", "R".
2813
2814 2012-01-20  Richard Guenther  <rguenther@suse.de>
2815
2816         PR tree-optimization/51903
2817         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2818         when removing stmts.
2819
2820 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2821
2822         PR target/50313
2823         * config/arm/arm.c (arm_load_pic_register): Use
2824         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2825         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2826         (arm_pic_static_addr): Likewise.
2827         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2828         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2829         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2830         (pic_load_addr_unified): New.
2831
2832 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2833
2834         PR target/51106
2835         * function.c (instantiate_virtual_regs_in_insn): Use
2836         delete_insn_and_edges when removing a wrong asm insn.
2837
2838 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2839
2840         PR rtl-optimization/40761
2841         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2842         Add new member loop_num.
2843         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2844         (ira_build): Remove the parameter.
2845
2846         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2847         (ira.c): Do not build CFG loops for one region allocation.  Remove
2848         argument from ira_build call.
2849
2850         * ira-build.c (init_loop_tree_node): New function.
2851         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2852         loops are not built.
2853         (more_one_region_p): Check current_loops.
2854         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2855         built.
2856         (add_loop_to_tree): Process loop equal to NULL too.
2857         (form_loop_tree): Separate the case when CFG loops are not built.
2858         Use explicitly number for the root.
2859         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2860         an assertion.
2861         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2862         instead of loop->num.
2863         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2864         (mark_all_loops_for_removal): Ditto.
2865         (remove_unnecessary_regions): Separate the case when CFG loops
2866         are not built.
2867         (ira_build): Remove the parameter.  Use explicit number of regions
2868         when CFG loops are not built.
2869
2870         * ira-color.c (print_loop_title): Separate the case for the root node.
2871         Use loop_num instead of loop->num.
2872         (move_spill_restore): Use loop_num instead of loop->num.
2873
2874         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2875         (change_loop): Ditto.
2876         (change_loop): Use loop_num instead of loop->num.
2877
2878         * ira-lives.c (process_bb_node_lives): Ditto.
2879
2880         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2881
2882         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2883
2884 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2885
2886         PR libmudflap/40778
2887         * tree-mudflap.c (mf_artificial): New function.
2888         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2889         mx_register_decls, mudflap_enqueue_decl): Use it.
2890
2891         PR target/51876
2892         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2893         numbers in the insn pattern.
2894
2895 2012-01-19  Michael Matz  <matz@suse.de>
2896
2897         PR tree-optimization/46590
2898         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2899         use it in remembering which conflicts we already created.
2900         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2901         bitmap.
2902
2903 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2904
2905         PR lto/51280
2906         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2907         (merge_and_complain): Same.
2908
2909 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2910
2911         PR bootstrap/50237
2912         * config/initfini-array.h: Guard content of the header
2913         with #ifdef HAVE_INITFINI_ARRAY.
2914         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2915         Add initfini-array.h to tm_file here.
2916         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2917         * config.gcc: Don't add initfini-array.h to tm_file here.
2918         * configure: Regenerated.
2919
2920 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2921
2922         PR rtl-optimization/51505
2923         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2924         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2925         (df_note_bb_compute): Update the call to df_kill_notes.
2926
2927 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2928
2929         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2930
2931 2012-01-18  Richard Guenther  <rguenther@suse.de>
2932
2933         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2934         of conversions to void *.
2935
2936 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2937             Richard Sandiford  <rdsandiford@googlemail.com>
2938
2939         PR middle-end/50325
2940         PR middle-end/51192
2941         * optabs.h (simplify_expand_binop): Declare.
2942         * optabs.c (simplify_expand_binop): Make global.
2943         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2944         endian targets if the source cannot be exactly covered by word
2945         mode chunks.
2946
2947 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2948
2949         PR bootstrap/51872
2950         * hard-reg-set.h (struct hard_reg_set_container): New type.
2951         * target.h (struct hard_reg_set_container): Forward declare.
2952         * target.def (set_up_by_prologue): New target hook.
2953         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2954         * doc/tm.texi: Regenerated.
2955         * function.c (thread_prologue_and_epilogue_insns): Change
2956         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2957         Call targetm.set_up_by_prologue on it.
2958         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2959         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2960
2961 2012-01-17  Nick Clifton  <nickc@redhat.com>
2962
2963         * config/rx/rx.c (rx_can_use_simple_return): New function.
2964         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2965         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2966
2967 2012-01-17  Richard Guenther  <rguenther@suse.de>
2968
2969         PR middle-end/51782
2970         * expr.c (expand_assignment): Take address-space information
2971         from the address operand of MEM_REF and TARGET_MEM_REF.
2972         (expand_expr_real_1): Likewise.
2973
2974 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2975
2976         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2977         reload dump is requested.
2978
2979 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2980
2981         PR other/51165
2982         * trans-mem.c (requires_barrier): Call may_be_aliased.
2983
2984 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2985
2986         PR tree-optimization/51877
2987         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2988         call arguments and fndecls compare equal, instead return false if they
2989         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2990         both SSA_NAMEs that are valueized the same, or they satisfy
2991         operand_equal_p.
2992
2993 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2994
2995         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2996         Solaris 11+.
2997         * configure: Regenerate.
2998
2999 2012-01-16  Jan Hubicka  <jh@suse.cz>
3000
3001         PR c/12245
3002         PR c++/14179
3003         * convert.c (convert_to_integer): Use fold_convert for
3004         converting an INTEGER_CST to integer type.
3005
3006 2012-01-16  Jason Merrill  <jason@redhat.com>
3007
3008         PR c++/14179
3009         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3010
3011 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3012
3013         PR bootstrap/51860
3014         * config/s390/s390.c (s390_chunkify_start): Don't skip
3015         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3016         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3017         If insn is followed by NOTE_INSN_VAR_LOCATION or
3018         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3019         Don't use location of note insns.
3020
3021         PR tree-optimization/51865
3022         * tree-inline.c (tree_function_versioning): Call remap_decl
3023         on DECL_RESULT whenever it has VOID_TYPE_P type.
3024
3025 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3026
3027         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3028         for calls to locally-binding MIPS16 functions if only the return
3029         type uses float regs.
3030
3031 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3032             Richard Sandiford  <rdsandiford@googlemail.com>
3033
3034         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3035         (SYMBOL_32_HIGH): Likewise.
3036         (mips_output_tls_reloc_directive): Declare.
3037         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3038         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3039         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3040         (mips_lo_relocs, mips_hi_relocs): Make extern.
3041         (mips16_stub_function): Move up file.
3042         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3043         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3044         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3045         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3046         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3047         (mips_get_tp): Add MIPS16 support.
3048         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3049         Generalize DTPREL and TPREL handling.
3050         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3051         Add MIPS16 TLS support.
3052         (mips_output_tls_reloc_directive): New function.
3053         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3054         * config/mips/predicates.md (symbolic_operand_with_high)
3055         (tls_reloc_operand): New predicates.
3056         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3057         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3058         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3059         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3060         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3061         (*tls_get_tp_mips16_call_<mode>): Likewise.
3062
3063 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3064
3065         PR rtl-optimization/51821
3066         * recog.c (peep2_find_free_register): Determine clobbered registers
3067         from insn pattern.
3068
3069 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3070
3071         PR target/50925
3072         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3073         * config/avr/avr.c: Likewise.
3074         * config/avr/avr.h: Likewise.
3075
3076 2012-01-13  Ian Lance Taylor  <iant@google.com>
3077
3078         PR c++/50012
3079         * tree.h (TYPE_QUALS): Add cast to int.
3080         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3081
3082 2012-01-13  Ian Lance Taylor  <iant@google.com>
3083
3084         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3085         comparing param_index to VEC_length result.
3086
3087 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3088
3089         * c-decl.c: Do not include tree-mudflap.h
3090         * tree-optimize.c: Likewise.
3091         * Makefile.in: Update dependencies.
3092
3093 2012-01-13  Richard Guenther  <rguenther@suse.de>
3094
3095         PR middle-end/8081
3096         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3097         variable-sized result always use RSO.
3098
3099 2012-01-12  DJ Delorie  <dj@redhat.com>
3100
3101         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3102         pointer type, not just the default pointer type.
3103
3104 2012-01-09  Richard Henderson  <rth@redhat.com>
3105             Denis Chertykov  <chertykov@gmail.com>
3106
3107         PR target/50925
3108         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3109         * config/avr/avr.c (avr_can_eliminate): Simplify.
3110         (avr_initial_elimination_offset): Likewise.
3111         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3112         (expand_epilogue): Likewise.
3113         (avr_legitimize_address): Gut.
3114         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3115         (avr_hard_regno_nregs): New.
3116         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3117         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3118         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3119         add soft frame pointer.
3120         (CALL_USED_REGISTERS): Likewise.
3121         (REG_CLASS_CONTENTS): Likewise.
3122         (REGISTER_NAMES): Likewise.
3123         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3124         (HARD_FRAME_POINTER_REGNUM): New.
3125         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3126         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3127         remove the HARD_FRAME_POINTER self-elimination.
3128
3129 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3130
3131         PR target/51756
3132         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3133         DECL_EXTERNAL when checking for initializers of progmem variables.
3134
3135 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3136
3137         PR tree-optimization/51799
3138         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3139         that the last operation is a type demotion.
3140
3141 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3142
3143         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3144         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3145
3146 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3147
3148         PR bootstrap/51796
3149         * combine.c (distribute_notes): If i3 is a noreturn call,
3150         allow old_size to be equal to args_size and make sure the
3151         noreturn call gets REG_ARGS_SIZE note.
3152         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3153         on noreturn calls even when the delta is 0.
3154
3155 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3156
3157         * gcov.c (STRING_SIZE): Remove.
3158         (generate_results): Erase annotations for source files with no
3159         coverage information.
3160         (read_line): New.
3161         (output_lines): Use it.
3162
3163 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3164
3165         * gimple.h (gimplify_body): Remove first argument.
3166         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3167         pointer set here, instead just pass DATA to walk_tree.
3168         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3169         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3170         (unvisit_body): Likewise, but with unmark_visited.
3171         (gimplify_body): Remove BODY_P argument and adjust.
3172         (gimplify_function_tree): Adjust call to gimplify_body.
3173         * omp-low.c (finalize_task_copyfn): Likewise.
3174
3175 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3176
3177         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3178         (build_function_type_skip_args): Delete.
3179         * tree.c (build_function_type_skip_args): Make static and add
3180         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3181         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3182         pass it to build_function_type_skip_args.
3183         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3184         (tree_function_versioning): Likewise.
3185         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3186         build_function_decl_skip_args.
3187         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3188         and pass it to build_function_decl_skip_args/tree_function_versioning.
3189         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3190         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3191         * trans-mem.c (ipa_tm_create_version): Likewise.
3192         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3193         * tree-inline.c (declare_return_variable): Remove always-true test.
3194         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3195         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3196         * ipa-split.c (split_function): Skip the return value for the split
3197         part if it doesn't return.
3198
3199 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3200
3201         PR tree-optimization/49642
3202         * ipa-split.c (forbidden_dominators): New variable.
3203         (check_forbidden_calls): New function.
3204         (dominated_by_forbidden): Likewise.
3205         (consider_split): Check for forbidden dominators.
3206         (execute_split_functions): Initialize and free forbidden
3207         dominators info; call check_forbidden_calls.
3208
3209 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3210
3211         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3212
3213 2012-01-11  Nick Clifton  <nickc@redhat.com>
3214
3215         * config/rx/rx.md (return): Define pattern.
3216
3217 2012-01-11  Richard Guenther  <rguenther@suse.de>
3218
3219         * doc/extend.texi (malloc attribute): Adjust according to
3220         implementation.
3221
3222 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3223             Patrick Marlier  <patrick.marlier@gmail.com>
3224
3225         PR middle-end/51516
3226         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3227         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3228         (ipa_tm_note_irrevocable): Same.
3229         (ipa_tm_scan_irr_block): Same.
3230         (ipa_tm_decrement_clone_counts): Same.
3231         (ipa_tm_scan_irr_function): Same.
3232         (ipa_tm_create_version_alias): Same.
3233         (ipa_tm_create_version): Same.
3234         (ipa_tm_transform_calls_redirect): Same.
3235         (ipa_tm_transform_calls): Same.
3236         (ipa_tm_transform_transaction): Same.
3237         (ipa_tm_execute): Same.
3238
3239 2012-01-10  Richard Guenther  <rguenther@suse.de>
3240
3241         PR middle-end/51806
3242         * opts.c (common_handle_option): Handle -Werror.
3243
3244 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3245
3246         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3247         operand number.
3248
3249 2012-01-10  Jason Merrill  <jason@redhat.com>
3250
3251         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3252         information.
3253
3254 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3255
3256         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3257         supports R_386_TLS_GD_PLT reloc.
3258         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3259         supports R_386_TLS_LDM_PLT reloc.
3260         * configure: Regenerate.
3261         * config.in: Regenerate.
3262
3263 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3264
3265         PR target/49868
3266         Extend __pgmx semantics to linearize memory.
3267         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3268         determine if code comes inline or from libgcc.
3269         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3270         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3271         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3272         (movmemx_qi, movmemx_hi): New insns.
3273         (xload_<mode>_libgcc): Rewrite to new insn condition.
3274         (xload_<mode>): Remove insns.
3275         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3276         cases that don't satisfy avr_xload_libgcc_p().
3277         (avr_addr_space_convert): Allow converting in any direction.
3278         (avr_addr_space_subset_p): Return always true.
3279         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3280         (avr_emit_movmemhi): Ditto.
3281         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3282         (avr_out_movmem): Ditto.
3283         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3284         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3285         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3286         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3287         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3288
3289 2012-01-10  Richard Guenther  <rguenther@suse.de>
3290
3291         PR tree-optimization/50913
3292         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3293         Require data-refs to be representable by Graphite with respect
3294         to any loop nest.
3295
3296 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3297
3298         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3299         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3300
3301 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3302
3303         PR rtl-optimization/51271
3304         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3305         handling annulled branch.
3306
3307 2012-01-10  Richard Henderson  <rth@redhat.com>
3308
3309         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3310         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3311         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3312         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3313         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3314         arm_expand_vec_perm_const): New.
3315         * config/arm/arm-protos.h: Update.
3316         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3317         (*neon_vswp<VDQX>): New.
3318         (neon_vcombine<VDX>): Use neon_split_vcombine.
3319         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3320         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3321         (vec_perm<VE>): New.
3322
3323 2012-01-10  Richard Henderson  <rth@redhat.com>
3324
3325         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3326         use it if reload_completed.
3327         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3328         arm_output_asm_insn, arm_process_output_memory_barrier,
3329         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3330         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3331         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3332         arm_process_output_sync_insn, arm_output_sync_insn,
3333         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3334         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3335         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3336         (emit_unlikely_jump): New.
3337         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3338         (arm_split_atomic_op): New.
3339         * config/arm/arm-protos.h: Update.
3340         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3341         (struct arm_sync_generator): Remove.
3342         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3343         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3344         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3345         (VUNSPEC_LL, VUNSPEC_SC): New.
3346         (sync_result, sync_memory, sync_required_value, sync_new_value,
3347         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3348         (attr length): Don't use arm_sync_loop_insns.
3349         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3350         (movsfcc, movdfcc): Likewise.
3351         * config/arm/constraints.md (Ua): New.
3352         * config/arm/prediates.md (mem_noofs_operand): New.
3353         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3354         (sync_clobber, sync_t2_reqd): Remove.
3355         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3356         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3357         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3358         (arm_sync_compare_and_swap<SIDI>): Remove.
3359         (arm_sync_compare_and_swap<NARROW>): Remove.
3360         (arm_sync_lock_test_and_set<SIDI>): Remove.
3361         (arm_sync_lock_test_and_set<NARROW>): Remove.
3362         (arm_sync_new_<syncop><SIDI>): Remove.
3363         (arm_sync_new_<syncop><NARROW>): Remove.
3364         (arm_sync_new_nand<SIDI>): Remove.
3365         (arm_sync_new_nand<NARROW>): Remove.
3366         (arm_sync_old_<syncop><SIDI>): Remove.
3367         (arm_sync_old_<syncop><NARROW>): Remove.
3368         (arm_sync_old_nand<SIDI>): Remove.
3369         (arm_sync_old_nand<NARROW>): Remove.
3370         (*memory_barrier): Merge arm_output_memory_barrier.
3371         (atomic_compare_and_swap<QHSD>): New.
3372         (atomic_compare_and_swap<NARROW>_1): New.
3373         (atomic_compare_and_swap<SIDI>_1): New.
3374         (atomic_exchange<QHSD>): New.
3375         (cas_cmp_operand, cas_cmp_str): New.
3376         (atomic_op_operand, atomic_op_str): New.
3377         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3378         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3379         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3380         (arm_load_exclusive<NARROW>): New.
3381         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3382         (arm_store_exclusive<QHSD>): New.
3383
3384 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3385
3386         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3387         reload patterns if -mvsx-scalar-memory.
3388
3389         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3390         generated, even -mno-vsx-scalar-double was used.
3391         (vsx_xscvdpsp_scalar): Likewise.
3392         (vsx_xscvspdp_scalar2): Likewise.
3393
3394 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3395             Andrew Pinski  <apinski@cavium.com>
3396
3397         PR debug/51471
3398         * reorg.c (fill_slots_from_thread): Don't speculate
3399         frame-related insns.
3400
3401 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3402
3403         * sched-int.h (bb_note): Move to...
3404         * basic-block.h: ...here.
3405         * haifa-sched.c (bb_note): Move to...
3406         * cfgrtl.c: ...here.
3407         * function.c (next_block_for_reg): New function.
3408         (move_insn_for_shrink_wrap): Likewise.
3409         (prepare_shrink_wrap): Rewrite to use the above.
3410
3411 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3412
3413         * gimple.c (is_gimple_non_addressable): Remove.
3414         * gimple.h: Remove is_gimple_non_addressable.
3415         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3416         is_gimple_non_addressable.
3417         * trans-mem.c (expand_assign_tm): Same.
3418
3419 2012-01-09  Richard Guenther  <rguenther@suse.de>
3420
3421         PR tree-optimization/51775
3422         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3423         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3424
3425 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3426
3427         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3428         tuning parameters.
3429         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3430
3431 2012-01-09  Richard Guenther  <rguenther@suse.de>
3432
3433         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3434
3435 2012-01-08  Jan Hubicka  <jh@suse.cz>
3436
3437         PR tree-optimize/51680
3438         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3439         on when known_vals needs to be computed; cleanup.
3440
3441 2012-01-08  Jan Hubicka  <jh@suse.cz>
3442
3443         PR tree-optimize/51694
3444         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3445
3446 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3447
3448         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3449         for -std=c++98 and -std=c++11 too.
3450
3451 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3452
3453         * cfgloop.c (cancel_loop): Add free() of bbs array.
3454
3455 2012-01-07  Jan Hubicka  <jh@suse.cz>
3456
3457         PR tree-optimization/51600
3458         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3459         that benefits small functions.
3460
3461 2012-01-07  Jan Hubicka  <jh@suse.cz>
3462
3463         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3464
3465 2012-01-07  Jan Hubicka  <jh@suse.cz>
3466
3467         PR tree-optimization/51680
3468         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3469         whose inlining reduce unit size.
3470
3471 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3472
3473         PR bootstrap/51725
3474         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3475         Add canonical node to containing_mem chain after the non-canonical
3476         one, even if there weren't any locs to propagate.
3477         (remove_useless_values): Keep only canonical values.
3478         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3479         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3480         canonicalize mem_chain elements that are not discarded.
3481
3482 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3483
3484         PR target/47333
3485         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3486         before emitting functions.
3487
3488         PR gcov-profile/50127
3489         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3490         clear_aux_for_blocks.
3491
3492 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3493
3494         PR debug/51746
3495         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3496
3497 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3498
3499         * c-decl.c (ext_block): Moved up.
3500         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3501
3502 2012-01-06  Han Shen  <shenhan@google.com>
3503
3504         Translate built-in include paths for sysroot.
3505         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.