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1 2012-03-31  Martin Jambor  <mjambor@suse.cz>
2
3         Backported from mainline
4         2012-03-30  Martin Jambor  <mjambor@suse.cz>
5
6         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
7         is a builtin_stack_save in a dominating BB.
8
9 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
10
11         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
12         crossing 128bit lane boundary.
13
14 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
15
16         Backported from mainline
17         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
18
19         PR target/52698
20         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
21         New prototype.
22         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
23         * config/i386/i386.c: Include reload.h.
24         (ix86_legitimize_reload_address): New function.
25
26 2012-03-28  Martin Jambor  <mjambor@suse.cz>
27
28         Backported from mainline
29         2012-03-27  Martin Jambor  <mjambor@suse.cz>
30
31         PR middle-end/52693
32         * tree-sra.c (sra_modify_assign): Do not call
33         load_assign_lhs_subreplacements when working with an unscalarizable
34         region.
35
36 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
37
38         PR middle-end/52691
39         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
40         __builtin_va_start to __builtin_next_arg if the latter is
41         builtin_decl_explicit_p rather than when it is not.
42
43         PR middle-end/52750
44         * tree-vect-generic.c (vector_element): Perform multiplication
45         for pos in bitsizetype type instead of idx type.
46
47 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
48
49         Backport from 2012-03-28 mainline r185910.
50
51         PR target/52692
52         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
53         (avr_builtin_decl): New static function.
54         (struct avr_builtin_description, avr_bdesc): Move up.
55         Add GTY marker. Add field fndecl. Remove redundant field id.
56         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
57         (avr_expand_builtin): Code cleanup because .id is removed.
58
59 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
60
61         PR middle-end/51893
62         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
63         targets.
64
65 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
66
67         Backport from 2012-03-28 mainline r185907.
68
69         PR target/52737
70         * config.gcc (tm_file): Remove avr/multilib.h.
71
72         * doc/invoke.texi (AVR Options): Adjust
73         documentation of -mtiny-stack.
74
75         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
76         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
77         * config/avr/t-avr: Remove generation of multilib.h.
78         * config/avr/t-multilib: Regenerate.
79         * config/avr/multilib.h: Remove.
80         * config/avr/avr.opt (-msp8): New option.
81         (avr_sp8): New variable.
82         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
83         * config/avr/avr.h (AVR_HAVE_SPH): New define.
84         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
85         (avr_device_to_sp8): New prototype.
86         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
87         (DRIVER_SELF_SPECS): New define.
88         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
89         __AVR_SP8__, __AVR_HAVE_SPH__.
90         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
91         AVR_HAVE_8BIT_SP to decide if SP_H is present.
92         (avr_file_start): Ditto.
93
94 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
95
96         PR target/52736
97         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
98         instead of 8 in adjust_address.
99
100 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
101
102         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
103         of a unit before computing the offset in units.
104
105 2012-03-27  Richard Guenther  <rguenther@suse.de>
106
107         PR middle-end/52720
108         * fold-const.c (try_move_mult_to_index): Handle &x.array more
109         explicitely.
110
111 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
112
113         PR target/52610
114         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
115
116 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
117
118         PR middle-end/52640
119         * varasm.c: Include pointer-set.h.
120         (pending_assemble_externals_set): New pointer set.
121         (process_pending_assemble_externals): Destroy the pointer set.
122         (assemble_external): See if decl is in pending_assemble_externals_set,
123         and add it to pending_assemble_externals if necessary.
124         (init_varasm_once): Allocate pending_assemble_externals_set.
125
126 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
127
128         Backported from mainline
129         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
130
131         PR target/50310
132         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
133         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
134         (vector_ltgt<mode>): Likewise.
135         (vector_ordered<mode>): Likewise.
136         (vector_unordered<mode>): Likewise.
137         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
138
139 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
140
141         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
142         Make static.
143
144 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
145
146         Backported from mainline
147         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
148
149         PR target/48596
150         PR target/48806
151         * config/sh/sh.c (sh_register_move_cost): Increase cost between
152         GENERAL_REGS and FP_REGS for SImode.
153
154 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
155
156         PR middle-end/52547
157         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
158         on any new_local_var_chain vars declared during recursing on
159         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
160
161 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
162
163         Backport from 2012-03-22 mainline r185692.
164
165         PR target/52496
166         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
167         (unspecv): Add UNSPECV_MEMORY_BARRIER.
168         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
169         (delay_cycles_1, delay_cycles_2): Ditto.
170         (delay_cycles_3, delay_cycles_4): Ditto.
171         (nopv, *nopv): Ditto.
172         (sleep, *sleep): Ditto.
173         (wdr, *wdr): Ditto.
174
175         Backport from 2012-03-21 mainline r185605.
176
177         PR rtl-optimization/52543
178         PR target/52461
179         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
180         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
181         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
182         (avr_load_libgcc_p): Restrict to __flash loads.
183         (avr_out_lpm): Only handle 1-byte loads from __flash.
184         (avr_load_lpm): New function.
185         (avr_find_unused_d_reg): Remove.
186         (avr_out_lpm_no_lpmx): Remove.
187         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
188         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
189         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
190         (load_<mode>, load_<mode>_clobber): New insns.
191         (mov<mode>): For multi-byte move from non-generic
192         16-bit address spaces: Expand to load_<mode> resp.
193         load_<mode>_clobber.
194         (load<mode>_libgcc): Remove expander.
195         (split-lpmx): Remove split.
196
197         Backport from 2012-03-13 mainline r185329.
198
199         PR target/52488
200         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
201         offset (size) to a value the insns can deal with.
202         (expand_epilogue): Ditto.
203
204         Backport from 2012-03-12 mainline r185256.
205
206         PR target/52499
207         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
208         type from reg_class_t to enum reg_class.
209         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
210
211         Backport from 2012-03-12 mainline r185253.
212
213         PR target/52148
214         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
215         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
216         r184615 from 2012-02-28.
217
218         Backport from 2012-03-08 mainline r185105.
219
220         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
221         for constants in [-63,63].
222
223         Backport from 2012-03-08 mainline r185100.
224
225         PR target/52496
226         * config/avr/avr.c (avr_mem_clobber): New static function.
227         (avr_expand_delay_cycles): Add memory clobber operand to
228         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
229         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
230         (enable_interrupt, disable_interrupt): New expander.
231         (nopv, sleep, wdr): New expanders.
232         (delay_cycles_1): Add memory clobber.
233         (delay_cycles_2): Add memory clobber.
234         (delay_cycles_3): Add memory clobber.
235         (delay_cycles_4): Add memory clobber.
236         (cli_sei): New insn from former "enable_interrupt",
237         "disable_interrupt" with memory clobber.
238         (*wdt): New insn from former "wdt" with memory clobber.
239         (*nopv): Similar, but for "nopv".
240         (*sleep): Similar, but for "sleep".
241
242         Backport from 2012-03-07 mainline r185043.
243
244         PR target/52484
245         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
246
247         Backport from 2012-03-07 mainline r185032.
248
249         PR target/52506
250         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
251         to: RAMPZ, RAMPY, RAMPX, RAMPD.
252         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
253
254         Backport from 2012-03-07 mainline r185031.
255
256         PR target/52505
257         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
258         from RAM.
259         * config/avr/avr.md (xload_8): Adjust insn length.
260
261         Backport from 2012-03-07 mainline r185030.
262
263         PR target/52461
264         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
265         if RAMPZ affects reading from RAM.
266
267         Backport from 2012-03-05 mainline r184919.
268
269         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
270
271 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
272
273         Backport from mainline r185259.
274
275         PR other/52545
276         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
277         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
278
279 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
280
281         Backported from mainline
282         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
283
284         PR c/52577
285         * c-parser.c (c_parser_postfix_expression)
286         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
287
288         * config/i386/smmintrin.h: Avoid /* within a comment.
289         * config/i386/nmmintrin.h: Likewise.
290
291 2012-03-22  Richard Guenther  <rguenther@suse.de>
292
293         * BASE-VER: Set to 4.7.1.
294         * DEV-PHASE: Set to prerelease.
295
296 2012-03-22  Release Manager
297
298         * GCC 4.7.0 released.
299
300 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
301
302         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
303
304 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
305             Andrew Pinski  <apinski@cavium.com>
306
307         PR middle-end/52592
308         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
309         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
310         calls instead of __builtin_ir{int,ound}*.
311
312 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
313
314         PR c++/52582
315         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
316         if c_node is NULL.
317
318 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
319
320         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
321         Refer to GCC 4.7 version of c99status.html.
322
323 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
324
325         Backport from mainline
326         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
327
328         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
329         redefine to be NULL if the current bit-size is different from the
330         configured bit-size.
331
332         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
333         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
334         set the default tuning.  Add asserts to make sure the cpu and tune
335         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
336         test whether the index is set, instead of > 0.
337         (rs6000_file_start): Do not reset the default cpu if the current
338         bit-size is different from the configured bit-size.
339
340 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
341
342         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
343         binutils reference.
344         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
345         Update binutils references.
346         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
347         Update binutils reference.
348         Update Sun as/GNU ld caveat.
349         Document binutils largefile requirement for LTO plugin.
350         Remove reference to alternate libpthread.
351
352 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
353
354         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
355         reference.
356         (Specific, mips-sgi-irix6): Likewise.
357
358 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
359
360         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
361         * configure: Regenerate.
362
363 2012-03-07  Richard Henderson  <rth@redhat.com>
364
365         * config/m68k/m68k.h (ISA_HAS_TAS): New.
366         * config/m68k/sync.md (atomic_test_and_set): Use it.
367         (atomic_test_and_set_1): Likewise.
368
369 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
370
371         PR target/51417
372         * Makefile.in: Let install-gcc-ar depend on installdirs,
373         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
374         Don't double canonicalize if cross-compiling.
375
376 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
377
378         * trans-mem.c: New typedef for tm_region_p.
379         Define vector types for tm_region_p.
380         (tm_region_init): Replace region_worklist to a vector called
381         bb_regions.
382
383 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
384
385         PR middle-end/52463
386         * trans-mem.c (tm_region_init): Use last_basic_block.
387
388 2012-03-05  Richard Henderson  <rth@redhat.com>
389
390         PR tree-opt/52242
391         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
392         * omp-low.c (expand_omp_atomic): Assume anything aligned to
393         BIGGEST_ALIGNMENT is aligned.
394
395 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
396
397         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
398
399 2012-03-05  Richard Henderson  <rth@redhat.com>
400
401         PR target/52481
402         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
403         instead of calling negqi2 directly.
404
405 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
406
407         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
408         (INTMAX_TYPE): Use it.
409         (UINTMAX_TYPE): Likewise.
410         (SUBTARGET_OVERRIDE_OPTIONS): Define.
411         (irix6_c_common_override_options): Declare.
412         (C_COMMON_OVERRIDE_OPTIONS): Define.
413         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
414         * config/mips/irix6-c.c: New file.
415         * config/mips/t-irix6 (irix6-c.o): New target.
416         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
417         cxx_target_objs.
418
419 2012-03-02  Richard Henderson  <rth@redhat.com>
420
421         * optabs.c (expand_atomic_test_and_set): Honor
422         atomic_test_and_set_trueval even when atomic_test_and_set
423         optab is not in use.
424
425 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
426
427         Backport from mainline
428         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
429
430         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
431
432 2012-03-02  Richard Guenther  <rguenther@suse.de>
433
434         * DEV-PHASE: Set to prerelease.
435
436 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
437
438         * config.gcc (obsolete): Add all ARM targets using the FPA.
439         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
440         * doc/install.texi: Avoid references to obsolete ARM ports.
441
442 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
443
444         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
445
446 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
447             Joern Rennecke  <joern.rennecke@embecosm.com>
448
449         * doc/extend.texi: Expand and update information on interrupt
450         attribute for Epiphany.
451
452 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
453
454         * config/sh/sh-protos.h: Update copyright notice dates.
455         * config/sh/sh.h: Likewise.
456         * config/sh/sh.md: Likewise.
457         * config/sh/constraints.md: Likewise.
458         * config/sh/predicates.md: Likewise.
459
460 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
461
462         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
463         * config/sh/sh.c (tertiary_reload_operand): Likewise.
464
465 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
466
467         * config/sh/constraints.md: Fix comment typo.
468
469 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
470
471         PR target/52408
472         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
473         unsigned HOST_WIDE_INT.
474         (zvdep_imm64): Likewise.
475         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
476         (vdepi_and): Likewise.
477         Likewise for unamed 64-bit patterns.
478         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
479
480 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
481
482         PR debug/52001
483         PR rtl-optimization/52417
484         * cselib.c (cselib_any_perm_equivs): New variable.
485         (cselib_reset_table): Check that it's not set when not
486         preserving constants.
487         (cselib_add_permanent_equiv): Set it.
488         (cselib_have_permanent_equivalences): New.
489         (cselib_init, cselib_finish): Reset it.
490         * cselib.h (cselib_have_permanent_equivalences): Declare.
491         * alias.c (get_addr): Restore earlier behavior when there
492         aren't permanent equivalences.
493
494 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
495
496         * config/mn10300/mn10300-modes.def: Fix copyright notice.
497         * config/v850/v850-modes.def: Fix copyright notice.
498
499 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
500
501         * doc/extend.texi (AVR Built-in Functions): Document
502         __builtin_avr_flash_segment.
503
504         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
505         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
506         (*split.flash_segment): New insn-and-split.
507         * config/avr/avr.c (avr_init_builtins): Add local variables:
508         const_memx_void_node, const_memx_ptr_type_node,
509         char_ftype_const_memx_ptr.
510
511 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
512
513         PR tree-optimization/52445
514         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
515         add ssa_name_ver, offset and size fields and change store field
516         to bool.
517         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
518         (add_or_mark_expr): Likewise.  Only consider previous stores
519         with the same size and offset.
520         (nt_init_block): Only look at gimple_assign_single_p stmts,
521         doesn't look at rhs2.
522
523 2012-03-01  Richard Guenther  <rguenther@suse.de>
524
525         PR middle-end/52443
526         * tree-cfg.c (verify_gimple_assign_unary): Allow any
527         conversions from integral types to pointer types.
528
529 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
530
531         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
532         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
533         unintentionally removed in r184616.
534
535 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
536
537         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
538         3DNow from bdver1.
539
540 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
541             Uros Bizjak  <ubizjak@gmail.com>
542
543         PR target/52437
544         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
545         alternatives, add "e" constraint to the new last alternative
546         and ! to last 3 alternatives.
547
548 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
549
550         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
551         DW_AT_artificial attributes at the end of the processing.
552         (gen_array_type_die): Likewise.
553         (gen_enumeration_type_die): Likewise.
554         (gen_struct_or_union_type_die): Likewise.
555         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
556         the parent type.
557
558 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
559
560         PR middle-end/52419
561         * expr.c (expand_assignment): If doing misaligned store that doesn't
562         cover all mode bits, perform a RMW cycle.
563
564         PR tree-optimization/52429
565         * tree-parloops.c (separate_decls_in_region_debug): Return early
566         if var is LABEL_DECL.
567
568 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
569
570         PR tree-optimization/52424
571         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
572         calling dom_thread_across_edge.
573
574 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
575
576         * config/avr/avr.c: Move definition of TARGET macros to end of file.
577
578 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
579
580         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
581         * config/avr/avr.c (avr_output_bld): Remove unused function.
582         (avr_out_sbxx_branch): Use "%T" to print bit position.
583
584 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
585
586         * config/avr/avr.md: Untabify.
587
588 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
589
590         * config/avr/avr.md (eqne): New code iterator.
591         (*dec-and-branchsi): Use it in text peephole's condition.
592         (*dec-and-branchhi): Ditto.
593         (*dec-and-branchqi): Ditto.
594
595 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
596
597         PR target/49939
598         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
599         the device does not have the skip-bug.
600
601 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
602
603         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
604         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
605         -mpretend-cmove): New.
606
607 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
608
609         PR bootstrap/52397
610         * df.h (struct df_d): Adjust comment that hard_regs_live_count
611         doesn't count DEBUG_INSN refs.
612         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
613         for DEBUG_INSN refs.
614
615 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
616
617         Partially revert:
618
619         2012-02-20  Richard Guenther  <rguenther@suse.de>
620         PR tree-optimization/52298
621         * tree-vect-stmts.c (vectorizable_load): Properly use
622         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
623         outer loops.
624
625 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
626
627         PR middle-end/51752
628         * gimple.h (gimple_in_transaction): New.
629         (gimple_set_in_transaction): New.
630         (struct gimple_statement_base): Add in_transaction field.
631         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
632         transaction loads.
633         (tree_ssa_lim_initialize): Compute transaction bits.
634         * tree.h (compute_transaction_bits): Protoize.
635         * trans-mem.c (tm_region_init): Use the heap to store BB
636         auxilliary data.
637         (compute_transaction_bits): New.
638
639 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
640
641         * gcc.c (display_help): Document --help=common and sort entries
642         alphabetically.
643
644 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
645
646         * doc/install.texi: Document check-$LANG specific shortcuts
647
648 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
649
650         PR target/51534
651         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
652         and vcgtu.
653         * config/arm/arm_neon.h: Regenerate.
654         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
655         (neon_vcgeu): New insn.
656         (neon_vcgtu): Likewise.
657         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
658         (ops): Unsigned comparison intrinsics call a different
659         builtin.
660
661 2012-02-28  Richard Guenther  <rguenther@suse.de>
662
663         PR target/52407
664         * config/i386/i386.c (ix86_expand_vector_set): Fix element
665         ordering for the VEC_CONCAT for two element vectors for
666         V2SFmode, V2SImode and V2DImode.
667
668 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
669
670         PR target/49448
671         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
672         detecting big-endian triplets.
673
674 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
675
676         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
677         mode if there is no type information available.
678
679 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
680
681         PR tree-optimization/53207
682         * doc/invoke.texi: Document as experimental and relying on graphite.
683
684 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
685
686         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
687         of initializer to changes from r184614.
688
689 2012-02-28  Richard Guenther  <rguenther@suse.de>
690
691         PR tree-optimization/52395
692         * tree-sra.c (build_ref_for_offset): Also look at the base
693         TYPE_ALIGN when figuring out the alignment of the replacement.
694
695 2012-02-28  Richard Guenther  <rguenther@suse.de>
696
697         PR tree-optimization/52402
698         * ipa-prop.c (ipa_modify_call_arguments): Properly use
699         mis-aligned types when creating the accesses at the call site.
700
701 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
702
703         * config/avr/builtins.def: New file.
704         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
705         * config/avr/avr.c (enum avr_builtin_id): Use it.
706         (avr_init_builtins): Use it. And use avr_bdesc.
707         (bdesc_1arg): Remove.
708         (bdesc_2arg): Remove.
709         (bdesc_3arg): Remove.
710         (struct avr_builtin_description): Add field n_args.
711         (avr_bdesc): New static variable using builtins.def.
712         (avr_expand_builtin): Use it.
713         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
714         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
715         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
716
717 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
718
719         PR target/52148
720         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
721         match only one single hard register with respective hard reg rtx.
722         (movmemx_<mode>): Ditto.
723         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
724         insn anatomy of movmem[x]_<mode>.
725         (avr_out_movmem): Same for printing assembler and operand usage.
726
727 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
728
729         PR target/49868
730         PR target/52261
731         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
732         address spaces located outside of device flash.
733
734         * config/avr/avr.h (base_arch_s): Remove field n_segments.
735         (mcu_type_s): Add field n_flash.
736         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
737         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
738         (AVR_MCU): Add N_FLASH argument.
739         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
740         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
741         macro __FLASH<n> if that address space makes sense for the device.
742         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
743         outside of target flash.
744         (avr_asm_named_section): Ditto.
745         (avr_asm_select_section): Ditto.
746         (avr_addr_space_convert): Ditto.
747         (avr_emit_movmemhi): Ditto.
748         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
749         address space is outside of device flash.
750         (avr_insert_attributes): Ditto.
751         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
752         avr_current_arch->n_segments.
753
754 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
755
756         PR target/52352
757         * config/i386/i386.md (*movabs<mode>_1): Enable only for
758         TARGET_LP64.
759         (*movabs<mode>_2): Likewise.
760
761 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
762
763         PR target/52375
764         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
765         s_register_operand in the test instead of REG_P.  Don't call
766         gen_reg_rtx if it won't be used.
767
768         PR tree-optimization/52376
769         * ipa-split.c (split_function): Ignore CLOBBER stmts.
770
771 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
772
773         * ifcvt.c (noce_get_condition): Check condition variable is not
774         small_register_classes_for_mode_p before accepting.
775
776 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
777
778         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
779
780 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
781
782         Revert:
783         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
784         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
785         tuning parameters.
786         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
787
788 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
789
790         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
791
792 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
793
794         * config/sh/predicates.md: Remove blank lines.
795         * config/sh/sh.c: Fix typos in comments.
796         * config/sh/constraints.md: Likewise.
797         * config/sh/sh.md: Remove blank lines.
798         Fix typos in comments.  Use ;; as comment characters.
799
800 2012-02-26  Walter Lee  <walt@tilera.com>
801
802         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
803         (replace_mov_pcrel_step2): Ditto.
804
805 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
806
807         PR debug/52001
808         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
809         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
810         and locs that reference values newer than the non-canonical value
811         at hand.  Return the canonical value as a worst case.
812         (memrefs_conflict_p): Walk canonical value's locs.
813
814         PR debug/52001
815         * cselib.c (preserve_only_constants): Rename to...
816         (preserve_constants_and_equivs): ... this.  Split out...
817         (invariant_or_equiv_p): ... this.  Preserve plus expressions
818         of other preserved expressions too.
819         (cselib_reset_table): Adjust.
820         * var-tracking.c (reverse_op): Use canonical value to build
821         reverse operation.
822
823 2012-02-23  Kai Tietz  <ktietz@redhat.com>
824
825         * config/i386/i386.c (ix86_delegitimize_address): Handle
826         UNSPEC_PCREL plus displacement.
827
828 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
829
830         PR target/52261
831         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
832         to test for unusedness in st X addressing.
833
834 2012-02-24  Richard Guenther  <rguenther@suse.de>
835
836         PR middle-end/52361
837         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
838         (is_gimple_reg_type): Move inline ...
839         * gimple.h (is_gimple_reg_type): ... here.
840
841 2012-02-24  Richard Guenther  <rguenther@suse.de>
842
843         PR middle-end/52361
844         * passes.c (execute_function_todo): When verifying SSA form
845         verify gimple form first.
846         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
847
848 2012-02-24  Richard Guenther  <rguenther@suse.de>
849
850         PR middle-end/52355
851         * fold-const.c (fold_addr_of_array_ref_difference): New function.
852         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
853
854 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
855
856         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
857
858 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
859
860         * tree-phinodes.c (make_phi_node): Mark static.
861         * tree-flow.h (make_phi_node): Remove extern decl.
862         * doc/gimple.texi (make_phi_node): Remove documentation.
863
864 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
865
866         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
867         * tree-ssa-sccvn.c (print_scc): Ditto.
868
869 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
870
871         * doc/passes.texi (Full redundancy elimination): Fix typo.
872
873 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
874
875         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
876
877 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
878
879         PR bootstrap/52287
880         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
881
882 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
883
884         PR c/52290
885         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
886
887 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
888
889         * config/avr/avr.md (code_stdname): Add ior, xor.
890         (xior): New code iterator.
891         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
892         (*<code_stdname><mode>qi.byte1-3): Ditto.
893
894 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
895
896         PR tree-optimization/52019
897         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
898         CLOBBER stmts.
899
900 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
901
902         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
903         HAVE_INITFINI_ARRAY to work around namespace pollution in
904         certain versions of newlib system headers.
905         * config.in: Regenerate.
906         * configure: Regenerate.
907         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
908         instead of HAVE_INITFINI_ARRAY.
909
910 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
911
912         PR target/52330
913         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
914         is not offsettable memory reference.
915
916 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
917
918         PR target/18145
919         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
920         setting avr_need_clear_bss_p for __gnu_lto* symbols.
921
922 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
923
924         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
925         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
926
927 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
928
929         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
930         library on Solaris 8 even without TLS support.
931         * configure: Regenerate.
932
933 2012-02-22  Richard Guenther  <rguenther@suse.de>
934
935         PR middle-end/52329
936         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
937         for GIMPLE_DEBUG stmts.
938
939 2012-02-22  Martin Jambor  <mjambor@suse.cz>
940
941         PR middle-end/51782
942         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
943         according to the base object.
944
945 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
946
947         PR rtl-optimization/50063
948         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
949         and 2 (8-bit SP) in operand 2.
950         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
951         setup to use movhi_sp_r instead of vanilla move to write SP.
952         Adjust REG_CFA notes to superseed unspec.
953         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
954         of vanilla move.
955         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
956         known to be off) only with TARGET_NO_INTERRUPTS. Never use
957         irq_state 1 (IRQ known to be on) here.
958
959 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
960
961         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
962         WORDS_BIG_ENDIAN.
963         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
964         assign_hard_reg): Likewise.
965
966 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
967
968         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
969
970 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
971
972         * config/avr/avr.md
973         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
974         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
975
976 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
977
978         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
979         prototype from here to...
980         * config/avr/avr.h: ...here.
981
982 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
983
984         PR target/52294
985         * thumb2.md (thumb2_shiftsi3_short): Split register and
986         immediate shifts.  For register shifts tie operands 0 and 1.
987         (peephole2 for above): Check that register-controlled shifts
988         have suitably tied operands.
989
990 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
991
992         PR target/52137
993         * config/i386/bdver1.md (bdver1_call, bdver1_push,
994         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
995         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
996         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
997         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
998         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
999         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1000         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1001         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1002         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1003         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1004         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1005         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1006         bdver1_ssevector_avx256_unaligned_load,
1007         bdver1_ssevector_sse128_unaligned_load,
1008         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1009         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1010         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1011         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1012         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1013         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1014         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1015         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1016         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1017         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1018         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1019         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1020         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1021         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1022         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1023         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1024         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1025         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1026         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1027         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1028         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1029         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1030         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1031         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1032         bdver1_ssediv_double_load, bdver1_ssediv_double,
1033         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1034         Add "bdver2" attribute.
1035
1036 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1037
1038         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1039         default if possible and not specified otherwise.
1040
1041 2012-02-21  Richard Guenther  <rguenther@suse.de>
1042
1043         PR middle-end/52314
1044         * gimplify.c (create_tmp_from_val): Use the main variant type
1045         for the type of the temporary we create.
1046
1047 2012-02-21  Richard Guenther  <rguenther@suse.de>
1048
1049         PR tree-optimization/52324
1050         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1051         do not gimplify a MEM_REF address operand if it is already
1052         in suitable form.
1053
1054 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1055
1056         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1057         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1058
1059 2012-02-21  Richard Guenther  <rguenther@suse.de>
1060
1061         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1062         nested_in_vect_loop.
1063
1064 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR tree-optimization/52318
1067         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1068         vdef also to non-pure/const call stmts in the sequence.
1069
1070 2012-02-20  David S. Miller  <davem@davemloft.net>
1071
1072         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1073         don't use the "rd %pc" instruction on v9 for PIC register loads.
1074
1075 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1076
1077         PR middle-end/52141
1078         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1079         in a transaction safe function.
1080
1081 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1082
1083         PR target/52238
1084         * stor-layout.c (place_field): Handle desired_align for
1085         ms-bitfields, too.
1086
1087 2012-02-20  Richard Guenther  <rguenther@suse.de>
1088
1089         PR tree-optimization/52298
1090         * tree-vect-stmts.c (vectorizable_store): Properly use
1091         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1092         outer loops.
1093         (vectorizable_load): Likewise.
1094         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1095         Access DR_STEP after ensuring it is not NULL.
1096
1097 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1098
1099         PR tree-optimization/52286
1100         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1101         optimization use double_int_to_tree instead of build_int_cst_wide,
1102         rewrite to use double_int vars.
1103
1104 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1105
1106         PR target/50166
1107         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1108         Define _start.
1109         Remove -e 0 from $gcc_cv_ld invocation.
1110         Only use __GLIBC_PREREQ if defined.
1111         Enable on Solaris since Solaris 8 patch.
1112         (gcc_SUN_LD_VERSION): New macro.
1113         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1114         gcc_SUN_LD_VERSION for version number format.
1115         * configure: Regenerate.
1116         * varasm.c (get_elf_initfini_array_priority_section): Set
1117         SECTION_NOTYPE for non-default priority.
1118         Use get_section instead of get_unnamed_section to emit
1119         .init_array/.fini_array with default priority.
1120
1121 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1122
1123         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1124         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1125         (mips_start_unique_function, mips_output_mips16_rdhwr)
1126         (mips_code_end): New functions.
1127         (TARGET_ASM_CODE_END): Define.
1128
1129 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1130
1131         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1132         to stubs with non-sibling calls.
1133
1134 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1135
1136         * doc/invoke.texi (-fira-* options): Copy-edit.
1137         (ira-* parameters): Copy-edit.
1138
1139 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1140
1141         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1142         GCC coding conventions.
1143
1144 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1145
1146         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1147         when used as adjectives.
1148
1149 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1150
1151         * doc/invoke.texi: Clean up "that"/"which" confusion.
1152
1153 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1154
1155         * system.h: Poison SMALL_REGISTER_CLASSES
1156         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1157         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1158
1159 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1160
1161         PR tree-optimization/52285
1162         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1163         when deciding if a call is a tail call or tail recursion.
1164
1165 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1166
1167         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1168         interger-constant displacement for UNSPEC_PCREL.
1169
1170 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1171
1172         PR rtl-optimization/52208
1173         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1174         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1175
1176         PR tree-optimization/52255
1177         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1178         loop->header has virtual PHI, but exit_e->dest doesn't, add
1179         virtual PHI to exit_e->dest and adjust all uses after the loop.
1180
1181         PR debug/52260
1182         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1183         children with clone_tree_hash, not after it.
1184
1185 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1186
1187         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1188         extended identifiers.
1189
1190 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1191
1192         PR middle-end/51929
1193         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1194         a same_body_alias, also test whether e->callee isn't a former
1195         or current clone of the decl this is a same body alias of.
1196
1197         PR translation/52264
1198         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1199
1200 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1201
1202         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1203
1204 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1205
1206         PR target/52199
1207         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1208         force_reg instead of copy_to_reg for better optimization.  Force
1209         non-register or memory operands into a register.
1210
1211 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1212
1213         * extend.texi: Reserve upper bits of memory model for future use.
1214
1215 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1216             Anatoly Sokolov <aesok@post.ru>
1217             Eric Weddington <eric.weddington@atmel.com>
1218
1219         PR target/52261
1220         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1221         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1222         Rewrite initializers for .macro.
1223         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1224         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1225         atxmega32d4, atxmega32x1.
1226         avrxmega4: atxmega64a3, atxmega64d3.
1227         avrxmega5: atxmega64a1, atxmega64a1u.
1228         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1229         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1230         avrxmega7: atxmega128a1, atxmega128a1u.
1231         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1232         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1233         (struct base_arch_s): Rename reserved to xmega_p.
1234         Rename reserved2 to have_rampd.
1235         (AVR_XMEGA): New define.
1236         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1237         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1238         * config/avr/predicates.md (io_address_operand): Take into
1239         account SFR offset.
1240         (low_io_address_operand): Ditto.
1241         (high_io_address_operand): Ditto.
1242         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1243         (enabled, movhi_sp_r): Use them.
1244         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1245         cpp_define_formatted to built-in define __AVR_ARCH__.
1246         (__AVR_XMEGA__): New built-in define.
1247         (__AVR_HAVE_RAMPD__): New built-in define.
1248         (__AVR_HAVE_RAMPX__): New built-in define.
1249         (__AVR_HAVE_RAMPY__): New built-in define.
1250         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1251
1252         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1253         (avr_option_override): Initialize them.
1254         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1255         (avr_init_expanders): Initialize them. No more block several calls.
1256         (emit_push_sfr): New static function.
1257         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1258         Handle AVR_XMEGA.
1259         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1260         (avr_print_operand): Print addreeses as symbols for
1261         RAMPX, RAMPY, RAMPD, CCP.
1262         (output_movhi): Handle AVR_XMEGA when writing to SP.
1263         (avr_out_movhi_mr_r_xmega): New static function.
1264         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1265         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1266         __RAMPD__,  __CCP__ as needed.
1267
1268         * config/avr/multilib.h: Regenerate.
1269         * config/avr/t-multilib: Regenerate.
1270         * config/avr/avr-tables.opt: Regenerate.
1271
1272 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1273
1274         PR tree-optimization/50561
1275         * graphite-flattening.c (lst_project_loop): Do not
1276         remove old scattering dimensions after flattening.
1277         (lst_do_flatten): Likewise.
1278
1279 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1280
1281         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1282         __builtin_avr_map8, __builtin_avr_map16.
1283         Document __builtin_avr_insert_bits.
1284
1285         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1286         (insert_bits): New insn.
1287         (adjust_len.map_bits): Rename to insert_bits.
1288         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1289         * avr-protos.h (avr_out_map_bits): Remove.
1290         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1291         * config/avr/constraints.md (Cxf,C0f): New.
1292         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1293         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1294         New built-in define __BUILTIN_AVR_INSERT_BITS.
1295         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1296         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1297         (avr_move_bits): Rewrite.
1298         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1299         functions.
1300         (avr_map_op_t): New typedef.
1301         (avr_map_op): New static variable.
1302         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1303         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1304         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1305         (bdesc_3arg, avr_expand_triop_builtin): New.
1306         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1307         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1308         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1309         (avr_map_equal_p, avr_map_sig_p): Remove.
1310         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1311         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1312         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1313         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1314         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1315         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1316
1317 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1318
1319         * config/c6x/c6x.md (reserve_cycles): New attribute.
1320         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1321         don't reserve functional units after the branch occurs.
1322
1323 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1324
1325         PR middle-end/52142
1326         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1327         functions into non-tm_pure functions.
1328
1329 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1330
1331         PR lto/52178
1332         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1333         (iterative_hash_canonical_type): Likewise.
1334         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1335         the dead edges.
1336
1337 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1338
1339         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1340         sched-group insn, it either remains alone or the entire list is pruned.
1341
1342 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1343
1344         * doc/install.texi (Prerequisites): Fix grammar.
1345         (Configuration): Likewise.
1346
1347 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1348
1349         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1350         MPC as part of GCC before describing configuring with --with-gmp etc.
1351         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1352         sources are present.
1353
1354 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1355
1356         PR debug/51950
1357         * dwarf2out.c (clone_tree_hash): New function.
1358         (copy_decls_walk): Use it instead of clone_tree.
1359
1360 2012-02-14  Richard Guenther  <rguenther@suse.de>
1361
1362         PR tree-optimization/52244
1363         PR tree-optimization/51528
1364         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1365         replacements for integral types.
1366
1367 2012-02-14  Walter Lee  <walt@tilera.com>
1368
1369         * config.gcc: Handle tilegx and tilepro.
1370         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1371         tilegx and tilepro.
1372         Add HAVE_AS_TLS check for tilegx and tilepro.
1373         * configure: Regenerate.
1374         * doc/contrib.texi: Add Mat Hostetter and self.
1375         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1376         Document instruction intrinsics and network accessing intrinsics.
1377         (TILEPro Built-in Functions): New node.  Document instruction
1378         intrinsics and network accessing intrinsics.
1379         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1380         (Specific, tilepro-*-linux*): Likewise.
1381         * doc/invoke.texi (TILE-Gx Options): New section.
1382         (TILEPro Options): New section.
1383         * doc/md.texi (TILE-Gx): New section.
1384         (TILEPro): New section.
1385         * common/config/tilegx/tilegx-common.c: New file.
1386         * common/config/tilepro/tilepro-common.c: New file.
1387         * config/tilegx/constraints.md: New file.
1388         * config/tilegx/linux.h: New file.
1389         * config/tilegx/mul-tables.c: New file.
1390         * config/tilegx/predicates.md: New file.
1391         * config/tilegx/sync.md: New file.
1392         * config/tilegx/t-tilegx: New file.
1393         * config/tilegx/tilegx-builtins.h: New file.
1394         * config/tilegx/tilegx-c.c: New file.
1395         * config/tilegx/tilegx-generic.md: New file.
1396         * config/tilegx/tilegx-modes.def: New file.
1397         * config/tilegx/tilegx-multiply.h: New file.
1398         * config/tilegx/tilegx-protos.h: New file.
1399         * config/tilegx/tilegx.c: New file.
1400         * config/tilegx/tilegx.h: New file.
1401         * config/tilegx/tilegx.md: New file.
1402         * config/tilegx/tilegx.opt: New file.
1403         * config/tilepro/constraints.md: New file.
1404         * config/tilepro/gen-mul-tables.cc: New file.
1405         * config/tilepro/linux.h: New file.
1406         * config/tilepro/mul-tables.c: New file.
1407         * config/tilepro/predicates.md: New file.
1408         * config/tilepro/t-tilepro: New file.
1409         * config/tilepro/tilepro-builtins.h: New file.
1410         * config/tilepro/tilepro-c.c: New file.
1411         * config/tilepro/tilepro-generic.md: New file.
1412         * config/tilepro/tilepro-modes.def: New file.
1413         * config/tilepro/tilepro-multiply.h: New file.
1414         * config/tilepro/tilepro-protos.h: New file.
1415         * config/tilepro/tilepro.c: New file.
1416         * config/tilepro/tilepro.h: New file.
1417         * config/tilepro/tilepro.md: New file.
1418         * config/tilepro/tilepro.opt: New file.
1419
1420 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1421
1422         PR tree-optimization/52210
1423         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1424         vect_model_simple_cost with two entry vect_def_type array instead
1425         of an address of dt.
1426
1427 2012-02-14  Richard Guenther  <rguenther@suse.de>
1428
1429         PR lto/52178
1430         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1431         Do not stream DECL_QUALIFIER.
1432         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1433         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1434         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1435
1436 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR c/52181
1439         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1440         newdecl.
1441
1442 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1443
1444         PR bootstrap/52172
1445         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1446         * cselib.c (cselib_subst_to_values_from_insn): New function.
1447         * sched-deps.c (add_insn_mem_dependence,
1448         sched_analyze_1, sched_analyze_2): Use it.
1449
1450 2012-02-13  Jan Hubicka  <jh@suse.cz>
1451
1452         PR middle-end/52214
1453         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1454
1455 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1456
1457         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1458         (GTM_SELF_SPECS): Define if not already defined.
1459         (driver_self_specs): Add GTM_SELF_SPECS.
1460         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1461         (GTM_SELF_SPECS): Define.
1462         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1463         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1464
1465 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1466
1467         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1468         away if seen.
1469
1470         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1471
1472         PR middle-end/52230
1473         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1474         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1475
1476 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1477
1478         PR c/52190
1479         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1480
1481 2012-02-13  Richard Guenther  <rguenther@suse.de>
1482
1483         PR translation/52211
1484         * passes.c (enable_disable_pass): Fix typo.
1485
1486 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1487
1488         PR middle-end/52209
1489         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1490         XOR for reduce_bit_field if type is unsigned.
1491
1492 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1493
1494         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1495         disallow changes from SFmode to mode with different size in FP regs.
1496
1497 2012-02-12  Robert Millan  <rmh@gnu.org>
1498             Gerald Pfeifer <gerald@pfeifer.com>
1499
1500         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1501         Tweak comment.
1502
1503 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1504
1505         PR rtl-optimization/52175
1506         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1507         to frame-related instructions.
1508
1509 2012-02-10  Jason Merrill  <jason@redhat.com>
1510
1511         PR c++/51910
1512         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1513         (demangle_new_symbols): Fill it.
1514         (scan_linker_output): Walk it.
1515         (start_tweaking): Split out from scan_linker_output.
1516         (maybe_tweak): Update sym->chosen.
1517         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1518
1519 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1520
1521         PR debug/52132
1522         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1523
1524 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1525
1526         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1527         having the same mode as previous compare.
1528
1529 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1530
1531         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1532         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1533         (nonlocal_goto_internal): Likewise.
1534         (nonlocal_goto): Emit a use and an indirect jump directly.
1535
1536 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1537
1538         PR c/52190
1539         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1540         __atomic_{is,always}_lock_free.
1541
1542 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1543
1544         PR target/52146
1545         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1546         negative constant address for x32.
1547
1548 2012-02-10  Richard Henderson  <rth@redhat.com>
1549
1550         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1551         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1552         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1553
1554 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1555             Ira Rosen  <irar@il.ibm.com>
1556
1557         PR tree-optimization/50031
1558         * targhooks.c (default_builtin_vectorization_cost): Handle
1559         vec_promote_demote.
1560         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1561         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1562         all types of reduction and pattern statements.
1563         (vect_estimate_min_profitable_iters): Likewise.
1564         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1565         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1566         for explicit realigns.
1567         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1568         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1569         vec_promote_demote.
1570         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1571         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1572         vec_perm for VSX and handle vec_promote_demote.
1573
1574 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR middle-end/52177
1577         * builtins.c (fold_builtin_atomic_always_lock_free,
1578         expand_builtin_atomic_always_lock_free,
1579         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1580         Return and/or test boolean_true_node/boolean_false_node instead of
1581         integer_one_node/integer_zero_node.
1582
1583 2012-02-10  Jan Hubicka  <jh@suse.cz>
1584
1585         PR middle-end/48600
1586         * predict.c (predict_paths_for_bb): Prevent looping.
1587         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1588
1589 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1590
1591         * config/arm/arm.c (output_move_double): In one case properly
1592         count number of instructions that will be emitted.
1593
1594 2012-02-10  Richard Guenther  <rguenther@suse.de>
1595
1596         PR translation/52193
1597         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1598
1599 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1600
1601         PR middle-end/52140
1602         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1603
1604 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR debug/52165
1607         * var-tracking.c (emit_note_insn_var_location): If
1608         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1609         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1610         non-NOTE_DURING_CALL_P insn.
1611
1612 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1613
1614         PR middle-end/51867
1615         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1616
1617 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1618
1619         PR driver/48524
1620         * gcc.c (switch_matches) Support switches with separated form,
1621         -D and -U.
1622
1623 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1624
1625         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1626         (SP_ADDR): Ditto.
1627         (RAMPZ_ADDR): Ditto.
1628         * config/avr/avr.c (avr_addr_t): New typedef.
1629         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1630         (avr_init_expanders): Initialize it.
1631         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1632         SREG_ADDR.
1633         (expand_epilogue): Ditto.
1634         (avr_print_operand): Ditto.
1635         (avr_file_start): Ditto.
1636         (avr_emit_movmemhi): Ditto.
1637
1638 2012-02-08  Richard Guenther  <rguenther@suse.de>
1639
1640         PR tree-optimization/46886
1641         * tree-flow.h (do_while_loop_p): Declare.
1642         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1643         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1644
1645 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1646
1647         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1648         always succeed for integers larger than a native word.
1649
1650 2012-02-08  Richard Guenther  <rguenther@suse.de>
1651
1652         PR rtl-optimization/52170
1653         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1654         properly handle integer vector modes.
1655
1656 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1657
1658         PR gcov-profile/52150
1659         * coverage.c: Include target.h.
1660         (build_var): Call targetm.strip_name_encoding on the assembler name.
1661         Change one _ into . or $ if the target allows it.
1662         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1663
1664         PR rtl-optimization/52139
1665         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1666         is a BARRIER after emit_insn_after_noloc, move BB_END
1667         to the last non-BARRIER insn before it.
1668
1669 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1670
1671         PR middle-end/24306
1672         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1673         (mips_gimplify_va_arg_expr): Call it instead of
1674         std_gimplify_va_arg_expr.
1675
1676 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1677
1678         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1679         message for -mno-pointers-to-nested-function.
1680
1681 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1682
1683         PR middle-end/51994
1684         * expr.c (get_inner_reference): If there is an offset, add a negative
1685         bit position to it (if any).
1686
1687 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1688
1689         PR rtl-optimization/52060
1690         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1691         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1692         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1693         and/or i0src_copy2 when needed.
1694
1695 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1696
1697         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1698         or LTOPLUGINSONAME if have_c.
1699
1700         * config/freebsd-spec.h: Add comment about what macros can be defined
1701         in this header.
1702         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1703         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1704         here instead.
1705
1706 2012-02-07  Richard Guenther  <rguenther@suse.de>
1707
1708         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1709         newline in -alias dumps.
1710
1711 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1712             Dave Korn  <dave.korn.cygwin@gmail.com>
1713
1714         PR target/40068
1715         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1716         Take care that typinfo gets dllexport-attribute.
1717
1718 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1719
1720         PR middle-end/52074
1721         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1722         if modifier < EXPAND_SUM call force_operand on the result.
1723
1724 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1725
1726         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1727         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1728         present.
1729         (epiphany_function_type): Replace types for specific interrupts with
1730         EPIPHANY_FUNCTION_INTERRUPT.
1731         (EPIPHANY_INTERRUPT_P): Update.
1732         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1733         New static function.
1734         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1735         <disinterrupt>: Affects type identity.
1736         (epiphany_handle_interrupt_attribute): Handle variable number of
1737         arguments.
1738         (epiphany_compute_function_type): Update for new
1739         epiphany_function_type definition.
1740         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1741         handlers with a longcall forwarder.
1742         (epiphany_start_function): Handle multiple interrupt arguments and/or
1743         forwarder_section attribute.
1744
1745         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1746         libgloss.
1747
1748 2012-02-07  Alan Modra  <amodra@gmail.com>
1749
1750         PR target/52107
1751         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1752         subregs of TFmode.
1753
1754 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1755
1756         PR tree-optimization/50969
1757         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1758         use vec_perm rather than vector_stmt.
1759         (vect_model_load_cost): Likewise.
1760         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1761         vec_perm to be the same as other vector statements.
1762         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1763         cost of vec_perm for TARGET_VSX.
1764
1765 2012-02-06  Richard Guenther  <rguenther@suse.de>
1766
1767         PR tree-optimization/52115
1768         * tree-sra.c (access_has_replacements_p): New function.
1769         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1770
1771 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1772
1773         PR middle-end/52047
1774         * trans-mem.c (expand_call_tm): Add an assertion.
1775         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1776         functions.
1777
1778 2012-02-06  Richard Guenther  <rguenther@suse.de>
1779
1780         PR tree-optimization/50955
1781         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1782         raise cost of expressions that replace an address with an
1783         expression based on a different pointer.
1784
1785 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1786
1787         PR target/52129
1788         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1789         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1790
1791 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1792
1793         PR c++/48680
1794         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1795         -Weffc++ and specify guidelines come from second edition.
1796
1797 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1798
1799         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1800         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1801         (call_direct_split, call_value_split, call_value_internal_direct)
1802         (call_value_direct_split, call_value_multiple_split): Use jal and
1803         jal_macro attributes.
1804
1805 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1806
1807         * reload1.c (reload_regs_reach_end_p): Replace with...
1808         (reload_reg_rtx_reaches_end_p): ...this function.
1809         (new_spill_reg_store): Update commentary.
1810         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1811         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1812         before setting new_spill_reg_store.
1813         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1814         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1815         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1816         for non-spill reload registers.
1817
1818 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1819
1820         PR tree-optimization/52091
1821         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1822         (vect_is_simple_use_1): Likewise.
1823         * tree-vect-loop.c (vectorizable_reduction): Update calls
1824         to vect_is_simple_use_1 and vect_is_simple_use.
1825         (vectorizable_live_operation): Likewise.
1826         * tree-vect-patterns.c (widened_name_p,
1827         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1828         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1829         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1830         vectorizable_shift,vectorizable_operation, vectorizable_store,
1831         vectorizable_load): Likewise.
1832         (vect_is_simple_cond): Add an argument, pass it to
1833         vect_is_simple_use_1.
1834         (vectorizable_condition): Update calls to vect_is_simple_cond,
1835         vect_is_simple_use.
1836         (vect_is_simple_use): Add an argument, the statement in which
1837         OPERAND is used.  Check that if OPERAND's def stmt is a double
1838         reduction phi node, the use is a phi node too.
1839         (vect_is_simple_use_1): Add an argument, pass it to
1840         vect_is_simple_use.
1841         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1842         to vect_is_simple_use.
1843
1844 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1845
1846         PR rtl-optimization/52095
1847         * modulo-sched.c (dump_insn_locator): New function.
1848         (loop_canon_p, sms_schedule): Use it.
1849
1850         PR rtl-optimization/52113
1851         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1852         even for decomposable shift/zext insns.
1853
1854 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1855             Zdenek Dvorak  <ook@ucw.cz>
1856
1857         PR rtl-optimization/52092
1858         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1859         on get_iv_value result.
1860
1861 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1862
1863         PR middle-end/47982
1864         PR middle-end/43967
1865         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1866
1867 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1868
1869         PR middle-end/48071
1870         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1871
1872 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1873
1874         PR rtl-optimization/49800
1875         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1876         (sched_finish): Call regstat_free_n_sets_and_refs.
1877
1878 2012-02-02  Jia Liu  <proljc@gmail.com>
1879
1880         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1881         than operand 2.
1882
1883 2012-02-02  Jan Hubicka  <jh@suse.cz>
1884             Tom de Vries  <tom@codesourcery.com>
1885
1886         PR middle-end/51998
1887         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1888         * varpool.c (varpool_analyze_pending_decls): Likewise.
1889
1890 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1891             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1892
1893         * config.gcc: Add cr16-* support.
1894
1895         * doc/extend.texi: Document cr16 extensions.
1896         * doc/install.texi: Document cr16 install.
1897         * doc/invoke.texi: Document cr16 options.
1898         * doc/md.texi: Document cr16 constraints.
1899
1900         * common/config/cr16/cr16-common.c: New file.
1901         * config/cr16/cr16.c: New file.
1902         * config/cr16/cr16.h: New file.
1903         * config/cr16/cr16.md: New file.
1904         * config/cr16/cr16.opt: New file.
1905         * config/cr16/cr16-protos.h: New file.
1906         * config/cr16/predicates.md: New file.
1907         * config/cr16/constraints.md: New file.
1908         * config/cr16/t-cr16: New file.
1909
1910 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1911
1912         PR target/52086
1913         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1914         that operands[2] is either immediate, or q_regs_operand.
1915
1916         PR tree-optimization/52073
1917         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1918         a pattern stmt for pattern uses, ignore uses outside of the loop.
1919
1920 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1921
1922         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1923         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1924         (OUT_AS1, OUT_AS2): Remove.
1925
1926 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1927
1928         PR rtl-optimization/51374
1929         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1930         to cross other volatile_refs_p insns.
1931
1932 2012-02-01  Richard Guenther  <rguenther@suse.de>
1933
1934         * doc/invoke.texi (fno-inline): Clarify documentation.
1935         (finline-small-functions): Likewise.
1936         (finline-functions): Likewise.
1937         * common.opt (finline): Adjust comment and documentation.
1938         (finline-small-functions): Clarify documentation.
1939         (finline-functions): Likewise.
1940         (finline-functions-called-once): Likewise.
1941
1942 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1943
1944         * c-typeck.c (composite_type): Keep mode for pointers.
1945
1946 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1947
1948         * function.h (regno_reg_rtx): Adjust comment.
1949         * reginfo.c (init_reg_modes_target): Only use the previous mode
1950         if it fits within one register.  Remove MIPS comment.
1951
1952 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1953
1954         PR bootstrap/52058
1955         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1956
1957 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1958
1959         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1960         to srak instruction.
1961
1962 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1963
1964         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1965
1966 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1967
1968         PR bootstrap/52041
1969         PR bootstrap/52039
1970         PR target/51974
1971         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1972
1973 2012-01-31  Richard Guenther  <rguenther@suse.de>
1974
1975         PR tree-optimization/51528
1976         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1977         assigns.
1978
1979 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR bootstrap/52041
1982         PR bootstrap/52039
1983         PR target/51974
1984         * ree.c (add_removable_extension): Change def_map argument
1985         to unsigned *, store in def_map 1 + offset into *insn_list vector
1986         instead of pointers into the vector.
1987         (find_removable_extensions): Adjust caller.
1988
1989 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1990
1991         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1992         Transform all "* quoted-c-code" to { c-code }.
1993         Remove redundant test for "optimize" in combine patterns.
1994         Move (include "avr-dimode.md") to end of file.
1995
1996 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1997
1998         PR target/51835
1999         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2000         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2001
2002 2012-01-30  Richard Guenther  <rguenther@suse.de>
2003
2004         PR tree-optimization/52028
2005         * tree-loop-distribution.c (ldist_gen): Properly update
2006         virtual SSA form.
2007
2008 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2009
2010         PR debug/52027
2011         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2012         set_cur_line_info_table if not emitting debug info.
2013
2014         PR tree-optimization/52046
2015         * tree-vect-patterns.c (check_bool_pattern): Give up if
2016         a comparison could throw.
2017
2018         PR debug/52048
2019         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2020
2021 2012-01-30  Richard Guenther  <rguenther@suse.de>
2022
2023         PR tree-optimization/52045
2024         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2025         SSA form if cfgcleanup did anything.
2026
2027 2012-01-30  Richard Guenther  <rguenther@suse.de>
2028
2029         PR tree-optimization/52045
2030         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2031         before computing final todo.
2032
2033 2012-01-30  Richard Guenther  <rguenther@suse.de>
2034
2035         PR tree-optimization/51528
2036         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2037         for PR51528 fix.
2038
2039 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2040
2041         * df-problems.c (df_kill_notes): Check that the use refers
2042         to the note under examination.
2043
2044 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2045
2046         PR target/51920
2047         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2048         parameter and use short-lived pseudos.
2049         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2050         (sparc_expand_vector_init): Const-ify local variables and adjust
2051         calls to above functions.
2052
2053 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2054
2055         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2056
2057 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2058
2059         * doc/invoke.texi: Make usage of "compile time" and
2060         "run time"/"runtime" consistent throughout the file.
2061
2062 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2063
2064         * config/alpha/alpha.c (alpha_option_override): Default to
2065         full IEEE compliance mode for Go language.
2066
2067 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2068
2069         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2070         (LINK_SSP_SPEC): Define.
2071
2072 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2073
2074         PR target/51871
2075         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2076         stubs.
2077
2078 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2079
2080         * doc/invoke.texi: Correct hyphenation of "floating point",
2081         "double precision", and related terminology throughout the file.
2082
2083 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2084
2085         PR target/52006
2086         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2087         arm_general_register_operand predicate for operand 2 instead of
2088         register_operand.
2089
2090 2012-01-27  Ian Lance Taylor  <iant@google.com>
2091
2092         PR go/47656
2093         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2094         * builtins.c (expand_builtin_init_trampoline): Add onstack
2095         parameter.  Change caller.
2096         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2097         * tree.c (build_common_builtin_nodes): Declare
2098         __builtin_init_heap_trampoline.
2099
2100 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2101
2102         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2103         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2104         * config/avr/avr.c: Ditto.
2105         (avr_regnames): Remove because unused.
2106         * config/avr/avr.md (*cpse.ne): New peephole.
2107         (*cpse.eq): New peephole from former cpse peepholes.
2108
2109 2012-01-27  Michael Eager  <eager@eagercon.com>
2110
2111         * config/microblaze.c (microblaze_emit_compare): Correct
2112         test after pcmp instruction.
2113
2114 2012-01-27  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/52020
2117         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2118
2119 2012-01-27  Richard Guenther  <rguenther@suse.de>
2120
2121         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2122         function non-const/pure.
2123
2124 2012-01-27  Richard Guenther  <rguenther@suse.de>
2125
2126         PR tree-optimization/50444
2127         * tree-sra.c (build_ref_for_offset): Properly adjust the
2128         MEM_REF type for unaligned accesses.
2129
2130 2012-01-27  Richard Guenther  <rguenther@suse.de>
2131
2132         PR tree-optimization/50444
2133         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2134         (expand_assignment): Use it.  Properly handle misaligned
2135         bases when expanding stores to component references.
2136         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2137         refactor that case.
2138
2139 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2140
2141         PR middle-end/51389
2142         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2143         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2144         * tree-data-ref.c (find_data_references_in_loop): Make static.
2145         (compute_all_dependences): Change return type to bool.  Bail out
2146         for too many datarefs in a loop.  Move the hunk resetting the data
2147         dependences vector from ...
2148         (compute_data_dependences_for_loop): ... here.  Account for
2149         compute_all_dependences returning false.
2150         (compute_data_dependences_for_bb): Likewise.
2151         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2152         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2153
2154 2012-01-27  Richard Guenther  <rguenther@suse.de>
2155
2156         PR middle-end/51959
2157         * expr.c (store_field): Use the alias-set of the scratch memory
2158         for storing to it.
2159
2160 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2161
2162         PR tree-optimization/51990
2163         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2164         WITH_SIZE_EXPR.
2165         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2166
2167 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2168
2169         PR debug/52001
2170         * var-tracking.c (reverse_op): Don't add any reverse operation
2171         if V already has any constant locations.
2172
2173 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2174
2175         * doc/invoke.texi: Correct usage of "command line" (noun)
2176         vs "command-line" (adjective) throughout.
2177
2178 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2179
2180         * doc/invoke.texi (Language Independent Options): Move
2181         -Wcoverage-mismatch blurb from here....
2182         (Warning Options): ...to here.
2183
2184 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2185
2186         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2187         Set rs6000_always_hint to false for 476.
2188
2189 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2190
2191         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2192           system root.
2193         * incpath.c (add_standard_paths): Likewise.
2194
2195 2012-01-27  Richard Henderson  <rth@redhat.com>
2196
2197         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2198         * config/m68k/sync.md (atomic_test_and_set): Rename from
2199         sync_test_and_setqi and adjust the operands.
2200         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2201         and unconditionally enable.
2202
2203 2012-01-27  Richard Henderson  <rth@redhat.com>
2204
2205         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2206         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2207         (ldstub): Rename from ldstubqi.
2208         (ldstub<I24MODE>): Remove.
2209
2210 2012-01-27  Richard Henderson  <rth@redhat.com>
2211
2212         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2213         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2214         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2215         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2216         * doc/tm.texi: Rebuild.
2217
2218 2012-01-27  Richard Henderson  <rth@redhat.com>
2219
2220         * optabs.c (gen_atomic_test_and_set): Remove default.
2221         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2222
2223 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2224
2225         PR rtl-optimization/51978
2226         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2227         (combine_reaching_defs): Likewise.
2228         (struct re_info): Remove.
2229         (add_removable_extension): Remove x and data arguments,
2230         add insn, insn_list and def_map.  Use the arguments directly
2231         instead of using struct re_info.
2232         (find_removable_extensions): Don't call add_removable_extension
2233         through note_stores, instead just call it with single_set
2234         result if non-NULL.
2235         (find_and_remove_re): Pass curr_cand->expr instead of
2236         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2237
2238 2012-01-26  Michael Matz  <matz@suse.de>
2239
2240         PR tree-optimization/46590
2241         * cfgexpand.c: Revert last change (r183305).
2242         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2243         regs.
2244         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2245         checking for emptiness.
2246
2247 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2248
2249         PR middle-end/51895
2250         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2251         non-addressable non-BLKmode base correctly.
2252
2253 2012-01-26  Michael Matz  <matz@suse.de>
2254
2255         PR tree-optimization/48794
2256         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2257         regions referenced from RESX/EH_DISPATCH.
2258
2259 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2260
2261         * config/s390/s390.h: Make BRANCH_COST an option.
2262         * config/s390/s390.opt: New option -mbranch-cost.
2263
2264 2012-01-26  Richard Henderson  <rth@redhat.com>
2265
2266         Revert 2012-01-24 change:
2267         * trans-mem.c (requires_barrier): Do not instrument thread local
2268         variables and emit save/restore for them.
2269
2270 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR middle-end/51986
2273         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2274         for pat == 0.
2275
2276 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2277
2278         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2279         ASM_OPERANDS.
2280
2281 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2282
2283         PR target/49868
2284         Rename __pgm to __flash.
2285         Rename __pgm1 to __flash1.
2286         Rename __pgm2 to __flash2.
2287         Rename __pgm3 to __flash3.
2288         Rename __pgm4 to __flash4.
2289         Rename __pgm5 to __flash5.
2290         Rename __pgmx to __memx.
2291         * doc/extend.texi (AVR Named Address Spaces)
2292         Rename address space names as indicated above.
2293         * config/avr/avr.c (avr_addrspace): Ditto.
2294
2295         * config/avr/avr-protos.h
2296         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2297         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2298         * config/avr/predicates.md: Ditto.
2299         * config/avr/avr.c Ditto, and
2300         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2301         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2302
2303         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2304         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2305         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2306         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2307         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2308         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2309         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2310         * config/avr/avr.c: Ditto.
2311         * config/avr/avr.md: Ditto.
2312
2313 2012-01-25  Jason Merrill  <jason@redhat.com>
2314
2315         PR c++/51992
2316         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2317
2318 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2319
2320         PR tree-optimization/51987
2321         * tree-data-ref.c (get_references_in_stmt): Handle references in
2322         non-volatile GIMPLE_ASM.
2323
2324 2012-01-25  Richard Guenther  <rguenther@suse.de>
2325
2326         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2327         bases are dereferenced.
2328
2329 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2330
2331         PR rtl-optimization/48374
2332         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2333
2334 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2335
2336         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2337         compute_data_dependences_for_loop returns false.
2338         * tree-parloops.c (loop_parallel_p): Likewise.
2339
2340 2012-01-25  Richard Guenther  <rguenther@suse.de>
2341
2342         * tree.h (get_pointer_alignment_1): Declare.
2343         * builtins.c (get_pointer_alignment_1): New function.
2344         (get_pointer_alignment): Use it.
2345
2346 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2347
2348         PR rtl-optimization/48308
2349         * combine.c (enum undo_kind): Add UNDO_LINKS.
2350         (struct undo): Add member l to other_contents and where.
2351         (do_SUBST_LINK): New.
2352         (SUBST_LINK): New.
2353         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2354         (undo_all): Handle UNDO_LINKS.
2355
2356 2012-01-25  Richard Henderson  <rth@redhat.com>
2357
2358         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2359         mem inputs.
2360
2361 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2362
2363         * optabs.c (gen_atomic_test_and_set): Use each argument.
2364
2365 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2366
2367         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2368         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2369         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2370         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2371         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2372         TARGET_PAIRED_SINGLE_FLOAT.
2373
2374 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2375
2376         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2377         (in_struct, return_val): Remove MEM documentation.
2378         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2379         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2380         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2381         and MEM_SCALAR.
2382         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2383         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2384         * expr.c (store_field): Likewise.
2385         * function.c (assign_stack_temp_for_type): Likewise.
2386         * ifcvt.c (noce_try_cmove_arith): Likewise.
2387         * reload1.c (reload): Likewise.
2388         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2389         (alpha_set_memflags): Likewise.
2390         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2391
2392 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2393
2394         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2395         parameter.
2396         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2397         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2398         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2399         varies parameter.
2400         * cselib.c (cselib_rtx_varies_p): Delete.
2401         (cselib_invalidate_mem): Update call to canon_true_dependence.
2402         * dse.c (record_store, check_mem_read_rtx): Likewise.
2403         (scan_reads_nospill): Likewise.
2404         * cse.c (check_dependence): Likewise.
2405         (cse_rtx_varies_p): Delete.
2406         * expr.c (safe_from_p): Update call to true_dependence.
2407         * ira.c (validate_equiv_mem_from_store): Likewise.
2408         (memref_referenced_p): Likewise.
2409         * postreload-gcse.c (find_mem_conflicts): Likewise.
2410         * sched-deps.c (sched_analyze_2): Likewise.
2411         * store-motion.c (load_kills_store): Likewise.
2412         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2413         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2414         (compute_transp): Update call to canon_true_dependence.
2415
2416 2012-01-25  Richard Henderson  <rth@redhat.com>
2417
2418         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2419         (maybe_emit_atomic_test_and_set): New.
2420         (expand_sync_lock_test_and_set): Use it.
2421         (expand_atomic_test_and_set): Likewise.
2422         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2423         the implementation; clarify implementation defined details.
2424         * doc/md.texi (atomic_test_and_set): Document.
2425
2426 2012-01-25  Richard Henderson  <rth@redhat.com>
2427
2428         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2429
2430 2012-01-25  Richard Henderson  <rth@redhat.com>
2431
2432         PR target/51968
2433         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2434         to effect no-op split.
2435
2436 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2437
2438         PR lto/51698
2439         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2440         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2441         (BT_FN_VOID_PTR_INT_SIZE): New.
2442         (BT_FN_UINT_UINT_VAR): Remove.
2443         (BT_FN_UINT32_UINT32_VAR): New.
2444         (BT_FN_DOUBLE_VPTR): Remove.
2445         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2446
2447         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2448         (_ITM_changeTransactionMode): Same.
2449         (_ITM_memmoveRtWt): Change return type to void.
2450         (_ITM_memcpyRtWt): Same.
2451         (_ITM_memsetW): Same.
2452         (_ITM_RaRD): Change types to double.
2453         (_ITM_RD): Same.
2454         (_ITM_RaWD): Same.
2455         (_ITM_RfWD): Same.
2456
2457         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2458
2459 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2460             Patrick Marlier  <patrick.marlier@gmail.com>
2461
2462         * trans-mem.c (requires_barrier): Do not instrument thread local
2463         variables and emit save/restore for them.
2464
2465 2012-01-24  Jason Merrill  <jason@redhat.com>
2466
2467         PR c++/51812
2468         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2469         output static aliases.
2470
2471 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2472
2473         PR driver/47249
2474         * common.opt (-pie, -shared, pie, shared): Change from Common to
2475         Driver.
2476         * gcc.c (display_help): Display help for -pie and -shared.
2477
2478 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2479
2480         PR target/49868
2481         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2482         Remove note on size/offset limitation.
2483         (AVR Variable Attributes): Add example how to read data located
2484         with progmem.  Refer to named address spaces.
2485         * doc/invoke.texi (AVR Options): Fix typo.
2486
2487 2012-01-24  Richard Guenther  <rguenther@suse.de>
2488
2489         Forward-port to trunk
2490         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2491
2492         PR middle-end/45678
2493         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2494         op0 isn't sufficiently aligned and there is movmisalignM
2495         insn for mode, use it to load op0 into a temporary register.
2496
2497 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2498
2499         PR target/51957
2500         * target.def (const_not_ok_for_debug_p): New hook.
2501         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2502         documentation.
2503         * doc/tm.texi: Regenerated.
2504         * dwarf2out.c (const_ok_for_output_1): If
2505         targetm.const_not_ok_for_debug_p returns true, fail.
2506         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2507         function.
2508         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2509
2510 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2511
2512         PR target/51900
2513         * config/i386/predicates.md (symbolic_operand): Allow
2514         UNSPEC_PCREL as PIC expression for lea.
2515         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2516         * config/i386/i386.c (ix86_delegitimize_address): Handle
2517         UNSPEC_PCREL for none-MEM, too.
2518
2519 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2520
2521         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2522         (ipa_tm_create_version_alias): Same.
2523
2524 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2525
2526         PR libitm/51830
2527         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2528         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2529
2530 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2531             Patrick Marlier  <patrick.marlier@gmail.com>
2532             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2533
2534         PR lto/51916
2535         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2536         simple_object_start_read.
2537
2538 2012-01-23  Richard Guenther  <rguenther@suse.de>
2539
2540
2541         PR tree-optimization/51895
2542         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2543         parameter decomposition into BLKmode components.
2544
2545 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2546
2547         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2548         fake variables for restrict-qualified pointers whose pointed-to type
2549         contains a placeholder.
2550
2551 2012-01-23  Richard Guenther  <rguenther@suse.de>
2552
2553         PR tree-optimization/51949
2554         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2555
2556 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2557
2558         PR rtl-optimization/51933
2559         * ree.c (transform_ifelse): Return true right away if dstreg is
2560         already wider or equal to cand->mode.
2561         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2562         (make_defs_and_copies_lists): Remove defs_list and copies_list
2563         arguments, add state argument, just truncate state->work_list
2564         instead of always allocating and freeing the vector.  Assert that
2565         get_defs succeeds instead of returning 2.  Changed return type to bool.
2566         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2567         have ext_src_mode, see if it has been modified already with the
2568         right kind of extension and has been extended before from the
2569         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2570         just return true.  Remember the original mode in state->modified array.
2571         (combine_reaching_defs): Add state argument.  Don't allocate and
2572         free here def_list, copied_list and vec vectors, instead just
2573         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2574         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2575         Add state variable, clear vectors in it, initialize state.modified
2576         if needed.  Free all the vectors at the end and state.modified too.
2577         Don't skip a candidate if the extension expression has been modified.
2578
2579 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2580
2581         PR target/47096
2582         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2583          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2584         (extra_options) interix.opt -> i386/interix.opt"
2585         (extra_objs):Add winnt-stubs.o
2586         * configure.ac: Add interix to target_os .comm on PE check.
2587         * configure: Regenerate.
2588         * config/interix3.h: Delete and move bits to..
2589         * config/interix.h: Delete and move bits to..
2590         * config/i386/i386-interix3.h: Delete and move bits to..
2591         * config/i386/i386-interix.h: ..here.
2592         (TARGET_CPU_DEFAULT): Remove redefinition.
2593         (TARGET_ASM_CONSTRUCTOR): Undefine.
2594         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2595         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2596         (PTRDIFF_TYPE): Define.
2597         (LONG_DOUBLE_TYPE_SIZE): Define.
2598         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2599         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2600         (TARGET_SECTION_TYPE_FLAGS): Define.
2601         (ASM_DECLARE_FUNCTION_NAME): Define.
2602         (ASM_OUTPUT_EXTERNAL): Define.
2603         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2604         (ASM_OUTPUT_ALIGNED_BSS): Define.
2605         (PCC_BITFIELD_TYPE_MATTERS): Define.
2606         (USE_CONST_SECTION): Define.
2607         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2608         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2609         (SUPPORTS_ONE_ONLY): Remove.
2610         (I386_PE_STRIP_ENCODING): Define.
2611         * config/interix.opt: Delete and move bits to..
2612         * config/i386/interix.opt: ..here. New.
2613         (mpe-aligned-commons): Add.
2614         * config/i386/t-interix: Add copyright header.
2615         (winnt-stubs.o): Add rule.
2616
2617 2012-01-22  Jason Merrill  <jason@redhat.com>
2618
2619         PR c++/51832
2620         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2621         for extra name aliases.
2622
2623 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2624
2625         PR rtl-optimization/51924
2626         * ree.c (combine_set_extension): Improve debugging message.
2627         (combine_reaching_defs): Likewise.
2628         (get_defs): Rename confusingly named variable.
2629         (find_and_remove_re): Skip a candidate if the extension expression has
2630         been modified.
2631
2632 2012-01-21  Robert Millan  <rmh@gnu.org>
2633             Gerald Pfeifer  <gerald@pfeifer.com>
2634
2635         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2636         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2637
2638 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2639
2640         PR tree-optimization/51914
2641         * tree-vect-stmts.c (vectorizable_conversion): For
2642         cvt_type && modifier == WIDEN, put temporary with cvt_type
2643         at the beginning of vec_dsts and set vec_dest to temporary
2644         with vectype_out.
2645
2646 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2647
2648         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2649
2650 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2651
2652         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2653         * config/rs6000/rs6000.c: Likewise.
2654
2655 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR target/51915
2658         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2659         output_move_double on a copy of operands array.
2660
2661 2012-01-20  Cary Coutant  <ccoutant@google.com>
2662             Dodji Seketeli  <dodji@redhat.com>
2663
2664         PR debug/45682
2665         * dwarf2out.c (copy_declaration_context): Return ref to parent
2666         of declaration DIE, if necessary.
2667         (remove_child_or_replace_with_skeleton): Add new parameter; update
2668         caller.  Place skeleton DIE under parent DIE of original declaration.
2669         Move call to copy_declaration_context to here ...
2670         (break_out_comdat_types): ... from here.
2671
2672 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2673
2674         PR rtl-optimization/51856
2675         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2676         flag to reloaded.
2677
2678 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2679
2680         PR target/51819
2681         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2682         hints for neon loads and stores.
2683
2684 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2685
2686         PR target/49868
2687         PR target/50887
2688         * doc/extend.texi (Named Address Spaces): Split into subsections.
2689         (AVR Named Address Spaces): New subsection.
2690         (M32C Named Address Spaces): New subsection.
2691         (RL78 Named Address Spaces): New subsection.
2692         (SPU Named Address Spaces): New subsection.
2693         (Variable Attributes): New anchor "AVR Variable Attributes".
2694         (AVR Variable Attributes): Rewrite and avoid wording
2695         "address space" in this context.
2696         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2697         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2698         (AVR Built-in Macros): New subsubsection therein.
2699         * doc/md.texi (AVR constraints): Remove "C04", "R".
2700
2701 2012-01-20  Richard Guenther  <rguenther@suse.de>
2702
2703         PR tree-optimization/51903
2704         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2705         when removing stmts.
2706
2707 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2708
2709         PR target/50313
2710         * config/arm/arm.c (arm_load_pic_register): Use
2711         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2712         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2713         (arm_pic_static_addr): Likewise.
2714         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2715         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2716         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2717         (pic_load_addr_unified): New.
2718
2719 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2720
2721         PR target/51106
2722         * function.c (instantiate_virtual_regs_in_insn): Use
2723         delete_insn_and_edges when removing a wrong asm insn.
2724
2725 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2726
2727         PR rtl-optimization/40761
2728         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2729         Add new member loop_num.
2730         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2731         (ira_build): Remove the parameter.
2732
2733         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2734         (ira.c): Do not build CFG loops for one region allocation.  Remove
2735         argument from ira_build call.
2736
2737         * ira-build.c (init_loop_tree_node): New function.
2738         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2739         loops are not built.
2740         (more_one_region_p): Check current_loops.
2741         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2742         built.
2743         (add_loop_to_tree): Process loop equal to NULL too.
2744         (form_loop_tree): Separate the case when CFG loops are not built.
2745         Use explicitly number for the root.
2746         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2747         an assertion.
2748         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2749         instead of loop->num.
2750         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2751         (mark_all_loops_for_removal): Ditto.
2752         (remove_unnecessary_regions): Separate the case when CFG loops
2753         are not built.
2754         (ira_build): Remove the parameter.  Use explicit number of regions
2755         when CFG loops are not built.
2756
2757         * ira-color.c (print_loop_title): Separate the case for the root node.
2758         Use loop_num instead of loop->num.
2759         (move_spill_restore): Use loop_num instead of loop->num.
2760
2761         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2762         (change_loop): Ditto.
2763         (change_loop): Use loop_num instead of loop->num.
2764
2765         * ira-lives.c (process_bb_node_lives): Ditto.
2766
2767         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2768
2769         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2770
2771 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2772
2773         PR libmudflap/40778
2774         * tree-mudflap.c (mf_artificial): New function.
2775         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2776         mx_register_decls, mudflap_enqueue_decl): Use it.
2777
2778         PR target/51876
2779         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2780         numbers in the insn pattern.
2781
2782 2012-01-19  Michael Matz  <matz@suse.de>
2783
2784         PR tree-optimization/46590
2785         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2786         use it in remembering which conflicts we already created.
2787         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2788         bitmap.
2789
2790 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2791
2792         PR lto/51280
2793         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2794         (merge_and_complain): Same.
2795
2796 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2797
2798         PR bootstrap/50237
2799         * config/initfini-array.h: Guard content of the header
2800         with #ifdef HAVE_INITFINI_ARRAY.
2801         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2802         Add initfini-array.h to tm_file here.
2803         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2804         * config.gcc: Don't add initfini-array.h to tm_file here.
2805         * configure: Regenerated.
2806
2807 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2808
2809         PR rtl-optimization/51505
2810         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2811         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2812         (df_note_bb_compute): Update the call to df_kill_notes.
2813
2814 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2815
2816         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2817
2818 2012-01-18  Richard Guenther  <rguenther@suse.de>
2819
2820         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2821         of conversions to void *.
2822
2823 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2824             Richard Sandiford  <rdsandiford@googlemail.com>
2825
2826         PR middle-end/50325
2827         PR middle-end/51192
2828         * optabs.h (simplify_expand_binop): Declare.
2829         * optabs.c (simplify_expand_binop): Make global.
2830         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2831         endian targets if the source cannot be exactly covered by word
2832         mode chunks.
2833
2834 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR bootstrap/51872
2837         * hard-reg-set.h (struct hard_reg_set_container): New type.
2838         * target.h (struct hard_reg_set_container): Forward declare.
2839         * target.def (set_up_by_prologue): New target hook.
2840         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2841         * doc/tm.texi: Regenerated.
2842         * function.c (thread_prologue_and_epilogue_insns): Change
2843         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2844         Call targetm.set_up_by_prologue on it.
2845         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2846         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2847
2848 2012-01-17  Nick Clifton  <nickc@redhat.com>
2849
2850         * config/rx/rx.c (rx_can_use_simple_return): New function.
2851         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2852         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2853
2854 2012-01-17  Richard Guenther  <rguenther@suse.de>
2855
2856         PR middle-end/51782
2857         * expr.c (expand_assignment): Take address-space information
2858         from the address operand of MEM_REF and TARGET_MEM_REF.
2859         (expand_expr_real_1): Likewise.
2860
2861 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2862
2863         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2864         reload dump is requested.
2865
2866 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2867
2868         PR other/51165
2869         * trans-mem.c (requires_barrier): Call may_be_aliased.
2870
2871 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2872
2873         PR tree-optimization/51877
2874         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2875         call arguments and fndecls compare equal, instead return false if they
2876         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2877         both SSA_NAMEs that are valueized the same, or they satisfy
2878         operand_equal_p.
2879
2880 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2881
2882         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2883         Solaris 11+.
2884         * configure: Regenerate.
2885
2886 2012-01-16  Jan Hubicka  <jh@suse.cz>
2887
2888         PR c/12245
2889         PR c++/14179
2890         * convert.c (convert_to_integer): Use fold_convert for
2891         converting an INTEGER_CST to integer type.
2892
2893 2012-01-16  Jason Merrill  <jason@redhat.com>
2894
2895         PR c++/14179
2896         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2897
2898 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2899
2900         PR bootstrap/51860
2901         * config/s390/s390.c (s390_chunkify_start): Don't skip
2902         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2903         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2904         If insn is followed by NOTE_INSN_VAR_LOCATION or
2905         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2906         Don't use location of note insns.
2907
2908         PR tree-optimization/51865
2909         * tree-inline.c (tree_function_versioning): Call remap_decl
2910         on DECL_RESULT whenever it has VOID_TYPE_P type.
2911
2912 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2913
2914         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2915         for calls to locally-binding MIPS16 functions if only the return
2916         type uses float regs.
2917
2918 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2919             Richard Sandiford  <rdsandiford@googlemail.com>
2920
2921         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2922         (SYMBOL_32_HIGH): Likewise.
2923         (mips_output_tls_reloc_directive): Declare.
2924         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2925         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2926         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2927         (mips_lo_relocs, mips_hi_relocs): Make extern.
2928         (mips16_stub_function): Move up file.
2929         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2930         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2931         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2932         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2933         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2934         (mips_get_tp): Add MIPS16 support.
2935         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2936         Generalize DTPREL and TPREL handling.
2937         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2938         Add MIPS16 TLS support.
2939         (mips_output_tls_reloc_directive): New function.
2940         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2941         * config/mips/predicates.md (symbolic_operand_with_high)
2942         (tls_reloc_operand): New predicates.
2943         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2944         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2945         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2946         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2947         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2948         (*tls_get_tp_mips16_call_<mode>): Likewise.
2949
2950 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2951
2952         PR rtl-optimization/51821
2953         * recog.c (peep2_find_free_register): Determine clobbered registers
2954         from insn pattern.
2955
2956 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2957
2958         PR target/50925
2959         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2960         * config/avr/avr.c: Likewise.
2961         * config/avr/avr.h: Likewise.
2962
2963 2012-01-13  Ian Lance Taylor  <iant@google.com>
2964
2965         PR c++/50012
2966         * tree.h (TYPE_QUALS): Add cast to int.
2967         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2968
2969 2012-01-13  Ian Lance Taylor  <iant@google.com>
2970
2971         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2972         comparing param_index to VEC_length result.
2973
2974 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2975
2976         * c-decl.c: Do not include tree-mudflap.h
2977         * tree-optimize.c: Likewise.
2978         * Makefile.in: Update dependencies.
2979
2980 2012-01-13  Richard Guenther  <rguenther@suse.de>
2981
2982         PR middle-end/8081
2983         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2984         variable-sized result always use RSO.
2985
2986 2012-01-12  DJ Delorie  <dj@redhat.com>
2987
2988         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2989         pointer type, not just the default pointer type.
2990
2991 2012-01-09  Richard Henderson  <rth@redhat.com>
2992             Denis Chertykov  <chertykov@gmail.com>
2993
2994         PR target/50925
2995         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2996         * config/avr/avr.c (avr_can_eliminate): Simplify.
2997         (avr_initial_elimination_offset): Likewise.
2998         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2999         (expand_epilogue): Likewise.
3000         (avr_legitimize_address): Gut.
3001         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3002         (avr_hard_regno_nregs): New.
3003         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3004         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3005         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3006         add soft frame pointer.
3007         (CALL_USED_REGISTERS): Likewise.
3008         (REG_CLASS_CONTENTS): Likewise.
3009         (REGISTER_NAMES): Likewise.
3010         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3011         (HARD_FRAME_POINTER_REGNUM): New.
3012         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3013         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3014         remove the HARD_FRAME_POINTER self-elimination.
3015
3016 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3017
3018         PR target/51756
3019         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3020         DECL_EXTERNAL when checking for initializers of progmem variables.
3021
3022 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3023
3024         PR tree-optimization/51799
3025         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3026         that the last operation is a type demotion.
3027
3028 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3029
3030         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3031         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3032
3033 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3034
3035         PR bootstrap/51796
3036         * combine.c (distribute_notes): If i3 is a noreturn call,
3037         allow old_size to be equal to args_size and make sure the
3038         noreturn call gets REG_ARGS_SIZE note.
3039         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3040         on noreturn calls even when the delta is 0.
3041
3042 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3043
3044         * gcov.c (STRING_SIZE): Remove.
3045         (generate_results): Erase annotations for source files with no
3046         coverage information.
3047         (read_line): New.
3048         (output_lines): Use it.
3049
3050 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3051
3052         * gimple.h (gimplify_body): Remove first argument.
3053         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3054         pointer set here, instead just pass DATA to walk_tree.
3055         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3056         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3057         (unvisit_body): Likewise, but with unmark_visited.
3058         (gimplify_body): Remove BODY_P argument and adjust.
3059         (gimplify_function_tree): Adjust call to gimplify_body.
3060         * omp-low.c (finalize_task_copyfn): Likewise.
3061
3062 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3063
3064         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3065         (build_function_type_skip_args): Delete.
3066         * tree.c (build_function_type_skip_args): Make static and add
3067         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3068         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3069         pass it to build_function_type_skip_args.
3070         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3071         (tree_function_versioning): Likewise.
3072         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3073         build_function_decl_skip_args.
3074         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3075         and pass it to build_function_decl_skip_args/tree_function_versioning.
3076         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3077         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3078         * trans-mem.c (ipa_tm_create_version): Likewise.
3079         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3080         * tree-inline.c (declare_return_variable): Remove always-true test.
3081         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3082         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3083         * ipa-split.c (split_function): Skip the return value for the split
3084         part if it doesn't return.
3085
3086 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3087
3088         PR tree-optimization/49642
3089         * ipa-split.c (forbidden_dominators): New variable.
3090         (check_forbidden_calls): New function.
3091         (dominated_by_forbidden): Likewise.
3092         (consider_split): Check for forbidden dominators.
3093         (execute_split_functions): Initialize and free forbidden
3094         dominators info; call check_forbidden_calls.
3095
3096 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3097
3098         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3099
3100 2012-01-11  Nick Clifton  <nickc@redhat.com>
3101
3102         * config/rx/rx.md (return): Define pattern.
3103
3104 2012-01-11  Richard Guenther  <rguenther@suse.de>
3105
3106         * doc/extend.texi (malloc attribute): Adjust according to
3107         implementation.
3108
3109 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3110             Patrick Marlier  <patrick.marlier@gmail.com>
3111
3112         PR middle-end/51516
3113         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3114         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3115         (ipa_tm_note_irrevocable): Same.
3116         (ipa_tm_scan_irr_block): Same.
3117         (ipa_tm_decrement_clone_counts): Same.
3118         (ipa_tm_scan_irr_function): Same.
3119         (ipa_tm_create_version_alias): Same.
3120         (ipa_tm_create_version): Same.
3121         (ipa_tm_transform_calls_redirect): Same.
3122         (ipa_tm_transform_calls): Same.
3123         (ipa_tm_transform_transaction): Same.
3124         (ipa_tm_execute): Same.
3125
3126 2012-01-10  Richard Guenther  <rguenther@suse.de>
3127
3128         PR middle-end/51806
3129         * opts.c (common_handle_option): Handle -Werror.
3130
3131 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3132
3133         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3134         operand number.
3135
3136 2012-01-10  Jason Merrill  <jason@redhat.com>
3137
3138         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3139         information.
3140
3141 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3142
3143         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3144         supports R_386_TLS_GD_PLT reloc.
3145         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3146         supports R_386_TLS_LDM_PLT reloc.
3147         * configure: Regenerate.
3148         * config.in: Regenerate.
3149
3150 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3151
3152         PR target/49868
3153         Extend __pgmx semantics to linearize memory.
3154         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3155         determine if code comes inline or from libgcc.
3156         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3157         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3158         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3159         (movmemx_qi, movmemx_hi): New insns.
3160         (xload_<mode>_libgcc): Rewrite to new insn condition.
3161         (xload_<mode>): Remove insns.
3162         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3163         cases that don't satisfy avr_xload_libgcc_p().
3164         (avr_addr_space_convert): Allow converting in any direction.
3165         (avr_addr_space_subset_p): Return always true.
3166         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3167         (avr_emit_movmemhi): Ditto.
3168         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3169         (avr_out_movmem): Ditto.
3170         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3171         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3172         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3173         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3174         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3175
3176 2012-01-10  Richard Guenther  <rguenther@suse.de>
3177
3178         PR tree-optimization/50913
3179         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3180         Require data-refs to be representable by Graphite with respect
3181         to any loop nest.
3182
3183 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3184
3185         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3186         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3187
3188 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3189
3190         PR rtl-optimization/51271
3191         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3192         handling annulled branch.
3193
3194 2012-01-10  Richard Henderson  <rth@redhat.com>
3195
3196         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3197         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3198         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3199         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3200         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3201         arm_expand_vec_perm_const): New.
3202         * config/arm/arm-protos.h: Update.
3203         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3204         (*neon_vswp<VDQX>): New.
3205         (neon_vcombine<VDX>): Use neon_split_vcombine.
3206         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3207         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3208         (vec_perm<VE>): New.
3209
3210 2012-01-10  Richard Henderson  <rth@redhat.com>
3211
3212         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3213         use it if reload_completed.
3214         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3215         arm_output_asm_insn, arm_process_output_memory_barrier,
3216         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3217         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3218         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3219         arm_process_output_sync_insn, arm_output_sync_insn,
3220         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3221         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3222         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3223         (emit_unlikely_jump): New.
3224         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3225         (arm_split_atomic_op): New.
3226         * config/arm/arm-protos.h: Update.
3227         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3228         (struct arm_sync_generator): Remove.
3229         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3230         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3231         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3232         (VUNSPEC_LL, VUNSPEC_SC): New.
3233         (sync_result, sync_memory, sync_required_value, sync_new_value,
3234         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3235         (attr length): Don't use arm_sync_loop_insns.
3236         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3237         (movsfcc, movdfcc): Likewise.
3238         * config/arm/constraints.md (Ua): New.
3239         * config/arm/prediates.md (mem_noofs_operand): New.
3240         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3241         (sync_clobber, sync_t2_reqd): Remove.
3242         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3243         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3244         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3245         (arm_sync_compare_and_swap<SIDI>): Remove.
3246         (arm_sync_compare_and_swap<NARROW>): Remove.
3247         (arm_sync_lock_test_and_set<SIDI>): Remove.
3248         (arm_sync_lock_test_and_set<NARROW>): Remove.
3249         (arm_sync_new_<syncop><SIDI>): Remove.
3250         (arm_sync_new_<syncop><NARROW>): Remove.
3251         (arm_sync_new_nand<SIDI>): Remove.
3252         (arm_sync_new_nand<NARROW>): Remove.
3253         (arm_sync_old_<syncop><SIDI>): Remove.
3254         (arm_sync_old_<syncop><NARROW>): Remove.
3255         (arm_sync_old_nand<SIDI>): Remove.
3256         (arm_sync_old_nand<NARROW>): Remove.
3257         (*memory_barrier): Merge arm_output_memory_barrier.
3258         (atomic_compare_and_swap<QHSD>): New.
3259         (atomic_compare_and_swap<NARROW>_1): New.
3260         (atomic_compare_and_swap<SIDI>_1): New.
3261         (atomic_exchange<QHSD>): New.
3262         (cas_cmp_operand, cas_cmp_str): New.
3263         (atomic_op_operand, atomic_op_str): New.
3264         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3265         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3266         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3267         (arm_load_exclusive<NARROW>): New.
3268         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3269         (arm_store_exclusive<QHSD>): New.
3270
3271 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3272
3273         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3274         reload patterns if -mvsx-scalar-memory.
3275
3276         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3277         generated, even -mno-vsx-scalar-double was used.
3278         (vsx_xscvdpsp_scalar): Likewise.
3279         (vsx_xscvspdp_scalar2): Likewise.
3280
3281 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3282             Andrew Pinski  <apinski@cavium.com>
3283
3284         PR debug/51471
3285         * reorg.c (fill_slots_from_thread): Don't speculate
3286         frame-related insns.
3287
3288 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3289
3290         * sched-int.h (bb_note): Move to...
3291         * basic-block.h: ...here.
3292         * haifa-sched.c (bb_note): Move to...
3293         * cfgrtl.c: ...here.
3294         * function.c (next_block_for_reg): New function.
3295         (move_insn_for_shrink_wrap): Likewise.
3296         (prepare_shrink_wrap): Rewrite to use the above.
3297
3298 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3299
3300         * gimple.c (is_gimple_non_addressable): Remove.
3301         * gimple.h: Remove is_gimple_non_addressable.
3302         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3303         is_gimple_non_addressable.
3304         * trans-mem.c (expand_assign_tm): Same.
3305
3306 2012-01-09  Richard Guenther  <rguenther@suse.de>
3307
3308         PR tree-optimization/51775
3309         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3310         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3311
3312 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3313
3314         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3315         tuning parameters.
3316         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3317
3318 2012-01-09  Richard Guenther  <rguenther@suse.de>
3319
3320         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3321
3322 2012-01-08  Jan Hubicka  <jh@suse.cz>
3323
3324         PR tree-optimize/51680
3325         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3326         on when known_vals needs to be computed; cleanup.
3327
3328 2012-01-08  Jan Hubicka  <jh@suse.cz>
3329
3330         PR tree-optimize/51694
3331         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3332
3333 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3334
3335         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3336         for -std=c++98 and -std=c++11 too.
3337
3338 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3339
3340         * cfgloop.c (cancel_loop): Add free() of bbs array.
3341
3342 2012-01-07  Jan Hubicka  <jh@suse.cz>
3343
3344         PR tree-optimization/51600
3345         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3346         that benefits small functions.
3347
3348 2012-01-07  Jan Hubicka  <jh@suse.cz>
3349
3350         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3351
3352 2012-01-07  Jan Hubicka  <jh@suse.cz>
3353
3354         PR tree-optimization/51680
3355         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3356         whose inlining reduce unit size.
3357
3358 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3359
3360         PR bootstrap/51725
3361         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3362         Add canonical node to containing_mem chain after the non-canonical
3363         one, even if there weren't any locs to propagate.
3364         (remove_useless_values): Keep only canonical values.
3365         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3366         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3367         canonicalize mem_chain elements that are not discarded.
3368
3369 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3370
3371         PR target/47333
3372         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3373         before emitting functions.
3374
3375         PR gcov-profile/50127
3376         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3377         clear_aux_for_blocks.
3378
3379 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3380
3381         PR debug/51746
3382         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3383
3384 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3385
3386         * c-decl.c (ext_block): Moved up.
3387         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3388
3389 2012-01-06  Han Shen  <shenhan@google.com>
3390
3391         Translate built-in include paths for sysroot.
3392         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3393         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3394
3395         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3396         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3397
3398         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3399         control whether sysroot should be prepended to gxx include dir.
3400
3401         * configure: Regenerate.
3402
3403 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3404
3405         PR rtl-optimization/51771
3406         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3407         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3408
3409 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3410
3411         PR tree-optimization/51315
3412         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3413         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3414
3415 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         PR target/51681
3418         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3419         for shrp pattern.  Correctly handle and fixup shift variable.
3420         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3421
3422 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3423
3424         PR debug/51762
3425         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3426         note when !ACCUMULATE_OUTGOING_ARGS.
3427
3428 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3429
3430         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3431         condition.
3432         (extract_range_from_unary_expr_1): Avoid useless computations.
3433
3434 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3435
3436         PR rtl-optimization/51767
3437         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3438         of jump_block and add an extra edge for degenerated asm gotos.
3439
3440         PR middle-end/51768
3441         * stmt.c (check_unique_operand_names): Don't ICE during error
3442         reporting if i is from labels chain.
3443
3444         PR middle-end/44777
3445         * profile.c (branch_prob): Split bbs that have exit edge
3446         and need a fake entry edge too.
3447
3448 2012-01-05  Jan Hubicka  <jh@suse.cz>
3449
3450         PR middle-end/49710
3451         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3452         unlooping loops.
3453
3454 2012-01-05  Richard Guenther  <rguenther@suse.de>
3455
3456         PR lto/50490
3457         * tree-streamer-out.c (write_ts_optimization): New function.
3458         (streamer_write_tree_body): Call it.
3459         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3460         (streamer_read_tree_body): Call it.
3461         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3462
3463 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3464
3465         PR middle-end/51761
3466         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3467         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3468         in_cleanup_point_expr before gimplify_stmt call and restore it
3469         afterwards.
3470         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3471         in_cleanup_point_expr is false.
3472
3473 2012-01-05  Richard Guenther  <rguenther@suse.de>
3474
3475         PR middle-end/51764
3476         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3477         to c.opt.
3478         * toplev.c (process_options): Reject combining mudflap and LTO.
3479         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3480
3481 2012-01-05  Richard Guenther  <rguenther@suse.de>
3482
3483         PR tree-optimization/51760
3484         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3485         not VARYING.
3486         (bit_value_unop): Handle UNDEFINED operands.
3487         (bit_value_binop): Likewise.
3488
3489 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3490
3491         * config/avr/avr.c (avr_replace_prefix): Remove.
3492         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3493         (avr_asm_function_rodata_section): Ditto.
3494         (avr_asm_select_section): Ditto.
3495
3496 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3497
3498         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3499         insertion.
3500
3501 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3502
3503         PR bootstrap/51648
3504         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3505         calls that have any non-fake successor edges.
3506
3507         PR debug/51746
3508         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3509
3510 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3511
3512         PR tree-optimization/51624
3513         * tree-sra.c (build_ref_for_model): When replicating a chain of
3514         COMPONENT_REFs, stop as soon as the offset would become negative.
3515
3516 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3517
3518         PR debug/51695
3519         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3520         in .debug_loc on the floor.
3521
3522 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3523
3524         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3525
3526 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3527             Adam Nemet  <anemet@caviumnetworks.com>
3528
3529         * config/mips/mips.md (size): Add SI and DI.
3530         (SIZE): New mode attribute.
3531         (U): New code attribute.
3532         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3533         (mips_lbux_<mode>): Delete.
3534         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3535         (mips_lhx): Use gen_mips_lhx_extsi.
3536         (mips_lhx_<mode>): Delete.
3537         (mips_lwx): Delete.
3538         (mips_l<size>x): New expand.
3539         (mips_lwx_<mode>): Delete.
3540         (mips_l<GPR:size>x_<P:mode>): New pattern.
3541         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3542         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3543         * config/mips/mips.c (mips_lx_address_p): New function.
3544         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3545         (dsp64): New availability predicate.
3546         (mips_builtins): Add an entry for __builtin_mips_ldx.
3547         * config/mips/mips.h (ISA_HAS_LBX): New define.
3548         (ISA_HAS_LBUX): Likewise.
3549         (ISA_HAS_LHX): Likewise.
3550         (ISA_HAS_LHUX): Likewise.
3551         (ISA_HAS_LWX): Likewise.
3552         (ISA_HAS_LWUX): Likewise.
3553         (ISA_HAS_LDX): Likewise.
3554         * doc/extend.texi (__builtin_mips_ldx): Document.
3555
3556 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3557
3558         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3559         when long pointers are used.
3560         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3561         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3562         (ia64-hp-*vms*): Remove.
3563         * config/vms/xm-vms64.h: Delete.
3564
3565 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3566
3567         PR middle-end/51472
3568         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3569
3570 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3571
3572         * opts.c (finish_options): Remove duplicate sorry.
3573
3574 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3575
3576         PR middle-end/51696
3577         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3578         correctly.
3579
3580 2012-01-04  Richard Guenther  <rguenther@suse.de>
3581
3582         PR middle-end/51750
3583         * tree.c (size_low_cst): New function.
3584         * tree.h (size_low_cst): Declare.
3585         * fold-const.c (fold_comparison): Use it to extract the low
3586         part of the POINTER_PLUS_EXPR offset.
3587
3588 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3589
3590         Fix clearing ZERO_REG
3591         * config/avr/avr.md (cc): Add alternative "ldi".
3592         (movqi_insn): Use it in cc attribute.
3593         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3594         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3595         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3596
3597 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3598
3599         * configure: Regenerate.
3600
3601 2012-01-04  Richard Guenther  <rguenther@suse.de>
3602
3603         PR tree-optimization/49651
3604         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3605         (var_can_have_subvars): Use it.
3606         (get_constraint_for_1): Only consider subfields if there can be any.
3607
3608 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3609
3610         PR bootstrap/51725
3611         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3612         to its new canonical_cselib_val and the cselib_val was in
3613         first_containing_mem chain, but the canonical_cselib_val was not,
3614         add the latter into the chain.
3615         (cselib_invalidate_mem): Compare canonical_cselib_val of
3616         addr_list chain elt with v.
3617
3618         PR pch/51722
3619         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3620         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3621         of xstrdup.
3622         (output_macinfo_op): Don't ggc_strdup fd->filename.
3623         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3624         then ggc_strdup it.  Don't free inc->info or cur->info.
3625         (output_macinfo): Don't free ref->info or file->info.
3626
3627 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3628
3629         PR tree-optimization/51269
3630         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3631         first_niters a pointer.
3632         (slpeel_tree_peel_loop_to_edge): Likewise.
3633         (vect_do_peeling_for_loop_bound): Update call to
3634         slpeel_tree_peel_loop_to_edge.
3635         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3636         here.  Remove it from the parameters list.
3637         (vect_do_peeling_for_alignment): Update calls and compute
3638         wide_prolog_niters.
3639
3640 2012-01-03  Richard Guenther  <rguenther@suse.de>
3641
3642         PR tree-optimization/51070
3643         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3644         Properly handle calls.
3645
3646 2012-01-03  Richard Guenther  <rguenther@suse.de>
3647
3648         PR tree-optimization/51692
3649         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3650         the LHS of allocation stmts.
3651
3652 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3653
3654         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3655
3656 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3657
3658         * collect2.c (main): In AIX specific computations for vector
3659         insertions, use CONST_CAST2 to cast from char ** to const char **.
3660
3661 2012-01-03  Richard Guenther  <rguenther@suse.de>
3662
3663         PR debug/51650
3664         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3665         the context of a limbo DIE when it does not already exist.
3666
3667 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3668
3669         PR tree-optimization/51719
3670         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3671         but direct call is, clear direct call's lhs and don't add fallthrough
3672         edge from dcall_bb to join_bb and PHIs.
3673
3674 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3675
3676         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3677         the instructions emitted by the pattern.
3678         ("*TDC_insn_<mode>"): Add comment.
3679
3680 2012-01-03  Richard Guenther  <rguenther@suse.de>
3681
3682         PR middle-end/51730
3683         * fold-const.c (fold_comparison): Properly canonicalize
3684         tree offset and HOST_WIDE_INT bit position.
3685
3686 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3687
3688         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3689         operands for extzv pattern.
3690
3691 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3692
3693         PR bootstrap/51725
3694         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3695         on mem_elt first.
3696
3697 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3698
3699         * doc/invoke.texi (-flto and related options): Copy-edit.
3700
3701 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3702
3703         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3704
3705 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3706
3707         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3708         New patterns.
3709
3710 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3711
3712         * expr.h (move_by_pieces_ninsns): Declare.
3713         * expr.c (move_by_pieces_ninsns): Make external.
3714         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3715         (mips_store_by_pieces_p): Likewise.
3716         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3717         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3718         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3719         (mips_store_by_pieces_p): Likewise.
3720
3721 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3722
3723         * passes.c (register_one_dump_file): Free full_name.
3724
3725         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3726         (calculate_elim_costs_all_insns): Free offsets_at and
3727         offsets_known_at at the end and clear the pointers.
3728
3729 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3730
3731         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3732         this option introduced in r180739.
3733
3734 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3735
3736         PR target/51345
3737         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3738         (tmake_file target=avr): Add avr/t-multilib.
3739
3740         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3741         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3742         * config/avr/genmultilib.awk: New file.
3743         * config/avr/t-multilib: New auto-generated file.
3744         * config/avr/multilib.h: New auto-generated file.
3745         * config/avr/t-avr (AVR_MCUS): New variable.
3746         (genopt.sh): Use it.
3747         (s-mlib): Depend on t-multilib.
3748         (t-multilib, multilib.h): New dependencies.
3749         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3750         (MULTILIB_OPTIONS): Remove.
3751         (MULTILIB_MATCHES): Remove.
3752         (MULTILIB_DIRNAMES): Remove.
3753         (MULTILIB_EXCEPTIONS): Remove:
3754         * config/avr/genopt.sh: Don't use hard coded file name;
3755         pass AVR_MCUS from t-avr instead.
3756
3757 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3758
3759         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3760
3761 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3762
3763         Implement light-weight DImode support.
3764         * config/avr/avr-dimode.md: New file.
3765         * config/avr/avr.md: Include it.
3766         (adjust_len): Add plus64, compare64.
3767         (HIDI): Remove code iterator.
3768         (code_stdname): New code attribute.
3769         (rotx, rotsmode): Remove DI.
3770         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3771         as code iterator.
3772         * config/avr/avr-protos.h (avr_have_dimode): New.
3773         (avr_out_plus64, avr_out_compare64): New.
3774         * config/avr/avr.c (avr_out_compare): Handle DImode.
3775         (avr_have_dimode): New variable definition and initialization.
3776         (avr_out_compare64, avr_out_plus64): New functions.
3777         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3778         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3779         (avr_compare_pattern): Skip DImode comparisons.
3780
3781 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3782
3783         * ddg.c (def_has_ccmode_p): New function.
3784         (add_cross_iteration_register_deps,
3785         create_ddg_dep_from_intra_loop_link): Call it.
3786
3787 2012-01-02  Richard Guenther  <rguenther@suse.de>
3788
3789         PR other/51679
3790         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3791
3792 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3793
3794         * gcc.c (process_command): Update copyright notice dates.
3795         * gcov.c (print_version): Likewise.
3796         * gcov-dump.c (print_version): Likewise.
3797         * mips-tfile.c (main): Likewise.
3798         * mips-tdump.c (main): Likewise.
3799
3800 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3801
3802         PR tree-optimization/51704
3803         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3804         a use is inside the basic block or loop before accessing its vect info.
3805
3806 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3807
3808         PR rtl-optimization/51069
3809         * cfgloopmanip.c (remove_path): Removing path making irreducible
3810         region unconditional makes BB part of the region.
3811
3812 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3813
3814         PR tree-optimization/51683
3815         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3816         calls with side-effects.
3817         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3818 \f
3819 Copyright (C) 2012 Free Software Foundation, Inc.
3820
3821 Copying and distribution of this file, with or without modification,
3822 are permitted in any medium without royalty provided the copyright
3823 notice and this notice are preserved.