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PR middle-end/51893
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
2
3         PR middle-end/51893
4         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
5         targets.
6
7 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
8
9         Backport from 2012-03-28 mainline r185907.
10
11         PR target/52737
12         * config.gcc (tm_file): Remove avr/multilib.h.
13
14         * doc/invoke.texi (AVR Options): Adjust
15         documentation of -mtiny-stack.
16
17         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
18         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
19         * config/avr/t-avr: Remove generation of multilib.h.
20         * config/avr/t-multilib: Regenerate.
21         * config/avr/multilib.h: Remove.
22         * config/avr/avr.opt (-msp8): New option.
23         (avr_sp8): New variable.
24         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
25         * config/avr/avr.h (AVR_HAVE_SPH): New define.
26         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
27         (avr_device_to_sp8): New prototype.
28         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
29         (DRIVER_SELF_SPECS): New define.
30         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
31         __AVR_SP8__, __AVR_HAVE_SPH__.
32         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
33         AVR_HAVE_8BIT_SP to decide if SP_H is present.
34         (avr_file_start): Ditto.
35
36 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
37
38         PR target/52736
39         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
40         instead of 8 in adjust_address.
41
42 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
43
44         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
45         of a unit before computing the offset in units.
46
47 2012-03-27  Richard Guenther  <rguenther@suse.de>
48
49         PR middle-end/52720
50         * fold-const.c (try_move_mult_to_index): Handle &x.array more
51         explicitely.
52
53 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
54
55         PR target/52610
56         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
57
58 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
59
60         PR middle-end/52640
61         * varasm.c: Include pointer-set.h.
62         (pending_assemble_externals_set): New pointer set.
63         (process_pending_assemble_externals): Destroy the pointer set.
64         (assemble_external): See if decl is in pending_assemble_externals_set,
65         and add it to pending_assemble_externals if necessary.
66         (init_varasm_once): Allocate pending_assemble_externals_set.
67
68 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
69
70         Backported from mainline
71         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
72
73         PR target/50310
74         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
75         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
76         (vector_ltgt<mode>): Likewise.
77         (vector_ordered<mode>): Likewise.
78         (vector_unordered<mode>): Likewise.
79         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
80
81 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
82
83         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
84         Make static.
85
86 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
87
88         Backported from mainline
89         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
90
91         PR target/48596
92         PR target/48806
93         * config/sh/sh.c (sh_register_move_cost): Increase cost between
94         GENERAL_REGS and FP_REGS for SImode.
95
96 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
97
98         PR middle-end/52547
99         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
100         on any new_local_var_chain vars declared during recursing on
101         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
102
103 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
104
105         Backport from 2012-03-22 mainline r185692.
106
107         PR target/52496
108         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
109         (unspecv): Add UNSPECV_MEMORY_BARRIER.
110         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
111         (delay_cycles_1, delay_cycles_2): Ditto.
112         (delay_cycles_3, delay_cycles_4): Ditto.
113         (nopv, *nopv): Ditto.
114         (sleep, *sleep): Ditto.
115         (wdr, *wdr): Ditto.
116
117         Backport from 2012-03-21 mainline r185605.
118
119         PR rtl-optimization/52543
120         PR target/52461
121         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
122         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
123         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
124         (avr_load_libgcc_p): Restrict to __flash loads.
125         (avr_out_lpm): Only handle 1-byte loads from __flash.
126         (avr_load_lpm): New function.
127         (avr_find_unused_d_reg): Remove.
128         (avr_out_lpm_no_lpmx): Remove.
129         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
130         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
131         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
132         (load_<mode>, load_<mode>_clobber): New insns.
133         (mov<mode>): For multi-byte move from non-generic
134         16-bit address spaces: Expand to load_<mode> resp.
135         load_<mode>_clobber.
136         (load<mode>_libgcc): Remove expander.
137         (split-lpmx): Remove split.
138
139         Backport from 2012-03-13 mainline r185329.
140
141         PR target/52488
142         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
143         offset (size) to a value the insns can deal with.
144         (expand_epilogue): Ditto.
145
146         Backport from 2012-03-12 mainline r185256.
147
148         PR target/52499
149         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
150         type from reg_class_t to enum reg_class.
151         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
152
153         Backport from 2012-03-12 mainline r185253.
154
155         PR target/52148
156         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
157         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
158         r184615 from 2012-02-28.
159
160         Backport from 2012-03-08 mainline r185105.
161
162         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
163         for constants in [-63,63].
164
165         Backport from 2012-03-08 mainline r185100.
166
167         PR target/52496
168         * config/avr/avr.c (avr_mem_clobber): New static function.
169         (avr_expand_delay_cycles): Add memory clobber operand to
170         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
171         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
172         (enable_interrupt, disable_interrupt): New expander.
173         (nopv, sleep, wdr): New expanders.
174         (delay_cycles_1): Add memory clobber.
175         (delay_cycles_2): Add memory clobber.
176         (delay_cycles_3): Add memory clobber.
177         (delay_cycles_4): Add memory clobber.
178         (cli_sei): New insn from former "enable_interrupt",
179         "disable_interrupt" with memory clobber.
180         (*wdt): New insn from former "wdt" with memory clobber.
181         (*nopv): Similar, but for "nopv".
182         (*sleep): Similar, but for "sleep".
183
184         Backport from 2012-03-07 mainline r185043.
185
186         PR target/52484
187         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
188
189         Backport from 2012-03-07 mainline r185032.
190
191         PR target/52506
192         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
193         to: RAMPZ, RAMPY, RAMPX, RAMPD.
194         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
195
196         Backport from 2012-03-07 mainline r185031.
197
198         PR target/52505
199         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
200         from RAM.
201         * config/avr/avr.md (xload_8): Adjust insn length.
202
203         Backport from 2012-03-07 mainline r185030.
204
205         PR target/52461
206         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
207         if RAMPZ affects reading from RAM.
208
209         Backport from 2012-03-05 mainline r184919.
210
211         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
212
213 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
214
215         Backport from mainline r185259.
216
217         PR other/52545
218         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
219         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
220
221 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
222
223         Backported from mainline
224         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
225  
226         PR c/52577
227         * c-parser.c (c_parser_postfix_expression)
228         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
229
230         * config/i386/smmintrin.h: Avoid /* within a comment.
231         * config/i386/nmmintrin.h: Likewise.
232
233 2012-03-22  Richard Guenther  <rguenther@suse.de>
234
235         * BASE-VER: Set to 4.7.1.
236         * DEV-PHASE: Set to prerelease.
237
238 2012-03-22  Release Manager
239
240         * GCC 4.7.0 released.
241
242 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
243
244         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
245
246 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
247             Andrew Pinski  <apinski@cavium.com>
248
249         PR middle-end/52592
250         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
251         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
252         calls instead of __builtin_ir{int,ound}*.
253
254 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
255
256         PR c++/52582
257         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
258         if c_node is NULL.
259
260 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
261
262         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
263         Refer to GCC 4.7 version of c99status.html.
264
265 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
266
267         Backport from mainline
268         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
269
270         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
271         redefine to be NULL if the current bit-size is different from the
272         configured bit-size.
273
274         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
275         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
276         set the default tuning.  Add asserts to make sure the cpu and tune
277         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
278         test whether the index is set, instead of > 0.
279         (rs6000_file_start): Do not reset the default cpu if the current
280         bit-size is different from the configured bit-size.
281
282 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
283
284         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
285         binutils reference.
286         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
287         Update binutils references.
288         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
289         Update binutils reference.
290         Update Sun as/GNU ld caveat.
291         Document binutils largefile requirement for LTO plugin.
292         Remove reference to alternate libpthread.
293
294 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
295
296         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
297         reference.
298         (Specific, mips-sgi-irix6): Likewise.
299
300 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
301
302         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
303         * configure: Regenerate.
304
305 2012-03-07  Richard Henderson  <rth@redhat.com>
306
307         * config/m68k/m68k.h (ISA_HAS_TAS): New.
308         * config/m68k/sync.md (atomic_test_and_set): Use it.
309         (atomic_test_and_set_1): Likewise.
310
311 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
312
313         PR target/51417
314         * Makefile.in: Let install-gcc-ar depend on installdirs, gcc-ar$(exeext),
315         gcc-nm$(exeext), gcc-ranlib$(exeext).
316         Don't double canonicalize if cross-compiling.
317
318 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
319
320         * trans-mem.c: New typedef for tm_region_p.
321         Define vector types for tm_region_p.
322         (tm_region_init): Replace region_worklist to a vector called
323         bb_regions.
324
325 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
326
327         PR middle-end/52463
328         * trans-mem.c (tm_region_init): Use last_basic_block.
329
330 2012-03-05  Richard Henderson  <rth@redhat.com>
331
332         PR tree-opt/52242
333         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
334         * omp-low.c (expand_omp_atomic): Assume anything aligned to
335         BIGGEST_ALIGNMENT is aligned.
336
337 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
338
339         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
340
341 2012-03-05  Richard Henderson  <rth@redhat.com>
342
343         PR target/52481
344         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
345         instead of calling negqi2 directly.
346
347 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
348
349         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
350         (INTMAX_TYPE): Use it.
351         (UINTMAX_TYPE): Likewise.
352         (SUBTARGET_OVERRIDE_OPTIONS): Define.
353         (irix6_c_common_override_options): Declare.
354         (C_COMMON_OVERRIDE_OPTIONS): Define.
355         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
356         * config/mips/irix6-c.c: New file.
357         * config/mips/t-irix6 (irix6-c.o): New target.
358         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
359         cxx_target_objs.
360
361 2012-03-02  Richard Henderson  <rth@redhat.com>
362
363         * optabs.c (expand_atomic_test_and_set): Honor
364         atomic_test_and_set_trueval even when atomic_test_and_set
365         optab is not in use.
366
367 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
368
369         Backport from mainline
370         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
371
372         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
373
374 2012-03-02  Richard Guenther  <rguenther@suse.de>
375
376         * DEV-PHASE: Set to prerelease.
377
378 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
379
380         * config.gcc (obsolete): Add all ARM targets using the FPA.
381         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
382         * doc/install.texi: Avoid references to obsolete ARM ports.
383
384 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
385
386         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
387
388 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
389             Joern Rennecke  <joern.rennecke@embecosm.com>
390
391         * doc/extend.texi: Expand and update information on interrupt
392         attribute for Epiphany.
393
394 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
395
396         * config/sh/sh-protos.h: Update copyright notice dates.
397         * config/sh/sh.h: Likewise.
398         * config/sh/sh.md: Likewise.
399         * config/sh/constraints.md: Likewise.
400         * config/sh/predicates.md: Likewise.
401
402 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
403
404         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
405         * config/sh/sh.c (tertiary_reload_operand): Likewise.
406
407 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
408
409         * config/sh/constraints.md: Fix comment typo.
410
411 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
412
413         PR target/52408
414         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
415         unsigned HOST_WIDE_INT.
416         (zvdep_imm64): Likewise.
417         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
418         (vdepi_and): Likewise.
419         Likewise for unamed 64-bit patterns.
420         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
421
422 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
423
424         PR debug/52001
425         PR rtl-optimization/52417
426         * cselib.c (cselib_any_perm_equivs): New variable.
427         (cselib_reset_table): Check that it's not set when not
428         preserving constants.
429         (cselib_add_permanent_equiv): Set it.
430         (cselib_have_permanent_equivalences): New.
431         (cselib_init, cselib_finish): Reset it.
432         * cselib.h (cselib_have_permanent_equivalences): Declare.
433         * alias.c (get_addr): Restore earlier behavior when there
434         aren't permanent equivalences.
435
436 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
437
438         * config/mn10300/mn10300-modes.def: Fix copyright notice.
439         * config/v850/v850-modes.def: Fix copyright notice.
440
441 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
442
443         * doc/extend.texi (AVR Built-in Functions): Document
444         __builtin_avr_flash_segment.
445
446         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
447         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
448         (*split.flash_segment): New insn-and-split.
449         * config/avr/avr.c (avr_init_builtins): Add local variables:
450         const_memx_void_node, const_memx_ptr_type_node,
451         char_ftype_const_memx_ptr.
452
453 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
454
455         PR tree-optimization/52445
456         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
457         add ssa_name_ver, offset and size fields and change store field
458         to bool.
459         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
460         (add_or_mark_expr): Likewise.  Only consider previous stores
461         with the same size and offset.
462         (nt_init_block): Only look at gimple_assign_single_p stmts,
463         doesn't look at rhs2.
464
465 2012-03-01  Richard Guenther  <rguenther@suse.de>
466
467         PR middle-end/52443
468         * tree-cfg.c (verify_gimple_assign_unary): Allow any
469         conversions from integral types to pointer types.
470
471 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
472
473         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
474         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ 
475         unintentionally removed in r184616.
476
477 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
478
479         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
480         3DNow from bdver1.
481
482 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
483             Uros Bizjak  <ubizjak@gmail.com>
484
485         PR target/52437
486         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
487         alternatives, add "e" constraint to the new last alternative
488         and ! to last 3 alternatives.
489
490 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
491
492         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
493         DW_AT_artificial attributes at the end of the processing.
494         (gen_array_type_die): Likewise.
495         (gen_enumeration_type_die): Likewise.
496         (gen_struct_or_union_type_die): Likewise.
497         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
498         the parent type.
499
500 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
501
502         PR middle-end/52419
503         * expr.c (expand_assignment): If doing misaligned store that doesn't
504         cover all mode bits, perform a RMW cycle.
505
506         PR tree-optimization/52429
507         * tree-parloops.c (separate_decls_in_region_debug): Return early
508         if var is LABEL_DECL.
509
510 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
511
512         PR tree-optimization/52424
513         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
514         calling dom_thread_across_edge.
515
516 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
517
518         * config/avr/avr.c: Move definition of TARGET macros to end of file.
519
520 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
521
522         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
523         * config/avr/avr.c (avr_output_bld): Remove unused function.
524         (avr_out_sbxx_branch): Use "%T" to print bit position.
525
526 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
527
528         * config/avr/avr.md: Untabify.
529
530 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
531
532         * config/avr/avr.md (eqne): New code iterator.
533         (*dec-and-branchsi): Use it in text peephole's condition.
534         (*dec-and-branchhi): Ditto.
535         (*dec-and-branchqi): Ditto.
536
537 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
538
539         PR target/49939
540         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
541         the device does not have the skip-bug.
542
543 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
544
545         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
546         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
547         -mpretend-cmove): New.
548
549 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
550
551         PR bootstrap/52397
552         * df.h (struct df_d): Adjust comment that hard_regs_live_count
553         doesn't count DEBUG_INSN refs.
554         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
555         for DEBUG_INSN refs.
556
557 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
558
559         Partially revert:
560
561         2012-02-20  Richard Guenther  <rguenther@suse.de>
562         PR tree-optimization/52298
563         * tree-vect-stmts.c (vectorizable_load): Properly use
564         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
565         outer loops.
566
567 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
568
569         PR middle-end/51752
570         * gimple.h (gimple_in_transaction): New.
571         (gimple_set_in_transaction): New.
572         (struct gimple_statement_base): Add in_transaction field.
573         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
574         transaction loads.
575         (tree_ssa_lim_initialize): Compute transaction bits.
576         * tree.h (compute_transaction_bits): Protoize.
577         * trans-mem.c (tm_region_init): Use the heap to store BB
578         auxilliary data.
579         (compute_transaction_bits): New.
580
581 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
582
583         * gcc.c (display_help): Document --help=common and sort entries
584         alphabetically.
585
586 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
587
588         * doc/install.texi: Document check-$LANG specific shortcuts
589
590 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
591
592         PR target/51534
593         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
594         and vcgtu.
595         * config/arm/arm_neon.h: Regenerate.
596         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
597         (neon_vcgeu): New insn.
598         (neon_vcgtu): Likewise.
599         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
600         (ops): Unsigned comparison intrinsics call a different
601         builtin.
602
603 2012-02-28  Richard Guenther  <rguenther@suse.de>
604
605         PR target/52407
606         * config/i386/i386.c (ix86_expand_vector_set): Fix element
607         ordering for the VEC_CONCAT for two element vectors for
608         V2SFmode, V2SImode and V2DImode.
609
610 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
611
612         PR target/49448
613         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
614         detecting big-endian triplets.
615
616 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
617
618         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
619         mode if there is no type information available.
620
621 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
622
623         PR tree-optimization/53207
624         * doc/invoke.texi: Document as experimental and relying on graphite.
625
626 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
627
628         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
629         of initializer to changes from r184614.
630         
631 2012-02-28  Richard Guenther  <rguenther@suse.de>
632
633         PR tree-optimization/52395
634         * tree-sra.c (build_ref_for_offset): Also look at the base
635         TYPE_ALIGN when figuring out the alignment of the replacement.
636
637 2012-02-28  Richard Guenther  <rguenther@suse.de>
638
639         PR tree-optimization/52402
640         * ipa-prop.c (ipa_modify_call_arguments): Properly use
641         mis-aligned types when creating the accesses at the call site.
642
643 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
644
645         * config/avr/builtins.def: New file.
646         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
647         * config/avr/avr.c (enum avr_builtin_id): Use it.
648         (avr_init_builtins): Use it. And use avr_bdesc.
649         (bdesc_1arg): Remove.
650         (bdesc_2arg): Remove.
651         (bdesc_3arg): Remove.
652         (struct avr_builtin_description): Add field n_args.
653         (avr_bdesc): New static variable using builtins.def.
654         (avr_expand_builtin): Use it.
655         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
656         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
657         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
658
659 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
660
661         PR target/52148
662         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
663         match only one single hard register with respective hard reg rtx.
664         (movmemx_<mode>): Ditto.
665         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
666         insn anatomy of movmem[x]_<mode>.
667         (avr_out_movmem): Same for printing assembler and operand usage.
668
669 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
670
671         PR target/49868
672         PR target/52261
673         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
674         address spaces located outside of device flash.
675
676         * config/avr/avr.h (base_arch_s): Remove field n_segments.
677         (mcu_type_s): Add field n_flash.
678         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
679         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
680         (AVR_MCU): Add N_FLASH argument.
681         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
682         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
683         macro __FLASH<n> if that address space makes sense for the device.
684         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
685         outside of target flash.
686         (avr_asm_named_section): Ditto.
687         (avr_asm_select_section): Ditto.
688         (avr_addr_space_convert): Ditto.
689         (avr_emit_movmemhi): Ditto.
690         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
691         address space is outside of device flash.
692         (avr_insert_attributes): Ditto.
693         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
694         avr_current_arch->n_segments.
695
696 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
697
698         PR target/52352
699         * config/i386/i386.md (*movabs<mode>_1): Enable only for
700         TARGET_LP64.
701         (*movabs<mode>_2): Likewise.
702
703 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
704
705         PR target/52375
706         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
707         s_register_operand in the test instead of REG_P.  Don't call
708         gen_reg_rtx if it won't be used.
709
710         PR tree-optimization/52376
711         * ipa-split.c (split_function): Ignore CLOBBER stmts.
712
713 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
714
715         * ifcvt.c (noce_get_condition): Check condition variable is not
716         small_register_classes_for_mode_p before accepting.
717
718 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
719
720         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
721
722 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
723
724         Revert:
725         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
726         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
727         tuning parameters.
728         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
729
730 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
731
732         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
733
734 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
735
736         * config/sh/predicates.md: Remove blank lines.
737         * config/sh/sh.c: Fix typos in comments.
738         * config/sh/constraints.md: Likewise.
739         * config/sh/sh.md: Remove blank lines.
740         Fix typos in comments.  Use ;; as comment characters.
741
742 2012-02-26  Walter Lee  <walt@tilera.com>
743
744         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
745         (replace_mov_pcrel_step2): Ditto.
746
747 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
748
749         PR debug/52001
750         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
751         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
752         and locs that reference values newer than the non-canonical value
753         at hand.  Return the canonical value as a worst case.
754         (memrefs_conflict_p): Walk canonical value's locs.
755
756         PR debug/52001
757         * cselib.c (preserve_only_constants): Rename to...
758         (preserve_constants_and_equivs): ... this.  Split out...
759         (invariant_or_equiv_p): ... this.  Preserve plus expressions
760         of other preserved expressions too.
761         (cselib_reset_table): Adjust.
762         * var-tracking.c (reverse_op): Use canonical value to build
763         reverse operation.
764
765 2012-02-23  Kai Tietz  <ktietz@redhat.com>
766
767         * config/i386/i386.c (ix86_delegitimize_address): Handle
768         UNSPEC_PCREL plus displacement.
769
770 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
771
772         PR target/52261
773         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
774         to test for unusedness in st X addressing.
775
776 2012-02-24  Richard Guenther  <rguenther@suse.de>
777
778         PR middle-end/52361
779         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
780         (is_gimple_reg_type): Move inline ...
781         * gimple.h (is_gimple_reg_type): ... here.
782
783 2012-02-24  Richard Guenther  <rguenther@suse.de>
784
785         PR middle-end/52361
786         * passes.c (execute_function_todo): When verifying SSA form
787         verify gimple form first.
788         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
789
790 2012-02-24  Richard Guenther  <rguenther@suse.de>
791
792         PR middle-end/52355
793         * fold-const.c (fold_addr_of_array_ref_difference): New function.
794         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
795
796 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
797
798         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
799
800 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
801
802         * tree-phinodes.c (make_phi_node): Mark static.
803         * tree-flow.h (make_phi_node): Remove extern decl.
804         * doc/gimple.texi (make_phi_node): Remove documentation.
805
806 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
807
808         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
809         * tree-ssa-sccvn.c (print_scc): Ditto.
810
811 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
812
813         * doc/passes.texi (Full redundancy elimination): Fix typo.
814
815 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
816
817         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
818
819 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
820
821         PR bootstrap/52287
822         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
823
824 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
825
826         PR c/52290
827         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
828
829 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
830
831         * config/avr/avr.md (code_stdname): Add ior, xor.
832         (xior): New code iterator.
833         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
834         (*<code_stdname><mode>qi.byte1-3): Ditto.
835
836 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
837
838         PR tree-optimization/52019
839         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
840         CLOBBER stmts.
841
842 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
843
844         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
845         HAVE_INITFINI_ARRAY to work around namespace pollution in
846         certain versions of newlib system headers.
847         * config.in: Regenerate.
848         * configure: Regenerate.
849         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
850         instead of HAVE_INITFINI_ARRAY.
851
852 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
853
854         PR target/52330
855         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
856         is not offsettable memory reference.
857
858 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
859
860         PR target/18145
861         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
862         setting avr_need_clear_bss_p for __gnu_lto* symbols.
863
864 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
865
866         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
867         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
868
869 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
870
871         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
872         library on Solaris 8 even without TLS support.
873         * configure: Regenerate.
874
875 2012-02-22  Richard Guenther  <rguenther@suse.de>
876
877         PR middle-end/52329
878         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
879         for GIMPLE_DEBUG stmts.
880
881 2012-02-22  Martin Jambor  <mjambor@suse.cz>
882
883         PR middle-end/51782
884         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
885         according to the base object.
886
887 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
888
889         PR rtl-optimization/50063
890         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
891         and 2 (8-bit SP) in operand 2.
892         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
893         setup to use movhi_sp_r instead of vanilla move to write SP.
894         Adjust REG_CFA notes to superseed unspec.
895         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
896         of vanilla move.
897         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
898         known to be off) only with TARGET_NO_INTERRUPTS. Never use
899         irq_state 1 (IRQ known to be on) here.
900
901 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
902
903         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
904         WORDS_BIG_ENDIAN.
905         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
906         assign_hard_reg): Likewise.
907
908 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
909
910         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
911
912 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
913
914         * config/avr/avr.md
915         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
916         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
917
918 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
919
920         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
921         prototype from here to...
922         * config/avr/avr.h: ...here.
923
924 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
925
926         PR target/52294
927         * thumb2.md (thumb2_shiftsi3_short): Split register and
928         immediate shifts.  For register shifts tie operands 0 and 1.
929         (peephole2 for above): Check that register-controlled shifts
930         have suitably tied operands.
931
932 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
933
934         PR target/52137
935         * config/i386/bdver1.md (bdver1_call, bdver1_push,
936         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
937         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
938         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
939         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
940         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
941         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
942         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
943         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
944         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
945         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
946         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
947         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
948         bdver1_ssevector_avx256_unaligned_load,
949         bdver1_ssevector_sse128_unaligned_load,
950         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
951         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
952         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
953         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
954         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
955         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
956         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
957         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
958         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
959         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
960         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
961         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
962         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
963         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
964         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
965         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
966         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
967         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
968         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
969         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
970         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
971         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
972         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
973         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
974         bdver1_ssediv_double_load, bdver1_ssediv_double,
975         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
976         Add "bdver2" attribute.
977
978 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
979
980         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
981         default if possible and not specified otherwise.
982
983 2012-02-21  Richard Guenther  <rguenther@suse.de>
984
985         PR middle-end/52314
986         * gimplify.c (create_tmp_from_val): Use the main variant type
987         for the type of the temporary we create.
988
989 2012-02-21  Richard Guenther  <rguenther@suse.de>
990
991         PR tree-optimization/52324
992         * gimplify.c (gimplify_expr): When re-gimplifying expressions
993         do not gimplify a MEM_REF address operand if it is already
994         in suitable form.
995
996 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
997
998         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
999         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1000
1001 2012-02-21  Richard Guenther  <rguenther@suse.de>
1002
1003         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1004         nested_in_vect_loop.
1005
1006 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR tree-optimization/52318
1009         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1010         vdef also to non-pure/const call stmts in the sequence.
1011
1012 2012-02-20  David S. Miller  <davem@davemloft.net>
1013
1014         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1015         don't use the "rd %pc" instruction on v9 for PIC register loads.
1016
1017 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1018
1019         PR middle-end/52141
1020         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1021         in a transaction safe function.
1022
1023 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1024
1025         PR target/52238
1026         * stor-layout.c (place_field): Handle desired_align for
1027         ms-bitfields, too.
1028
1029 2012-02-20  Richard Guenther  <rguenther@suse.de>
1030
1031         PR tree-optimization/52298
1032         * tree-vect-stmts.c (vectorizable_store): Properly use
1033         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1034         outer loops.
1035         (vectorizable_load): Likewise.
1036         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1037         Access DR_STEP after ensuring it is not NULL.
1038
1039 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1040
1041         PR tree-optimization/52286
1042         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1043         optimization use double_int_to_tree instead of build_int_cst_wide,
1044         rewrite to use double_int vars.
1045
1046 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1047
1048         PR target/50166
1049         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1050         Define _start.
1051         Remove -e 0 from $gcc_cv_ld invocation.
1052         Only use __GLIBC_PREREQ if defined.
1053         Enable on Solaris since Solaris 8 patch.
1054         (gcc_SUN_LD_VERSION): New macro.
1055         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1056         gcc_SUN_LD_VERSION for version number format.
1057         * configure: Regenerate.
1058         * varasm.c (get_elf_initfini_array_priority_section): Set
1059         SECTION_NOTYPE for non-default priority.
1060         Use get_section instead of get_unnamed_section to emit
1061         .init_array/.fini_array with default priority.
1062
1063 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1064
1065         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1066         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1067         (mips_start_unique_function, mips_output_mips16_rdhwr)
1068         (mips_code_end): New functions.
1069         (TARGET_ASM_CODE_END): Define.
1070
1071 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1072
1073         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1074         to stubs with non-sibling calls.
1075
1076 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1077
1078         * doc/invoke.texi (-fira-* options): Copy-edit.
1079         (ira-* parameters): Copy-edit.
1080
1081 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1082
1083         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1084         GCC coding conventions.
1085
1086 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1087
1088         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1089         when used as adjectives.
1090
1091 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1092
1093         * doc/invoke.texi: Clean up "that"/"which" confusion.
1094
1095 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1096
1097         * system.h: Poison SMALL_REGISTER_CLASSES
1098         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1099         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1100
1101 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1102
1103         PR tree-optimization/52285
1104         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1105         when deciding if a call is a tail call or tail recursion.
1106
1107 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1108
1109         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1110         interger-constant displacement for UNSPEC_PCREL.
1111
1112 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1113
1114         PR rtl-optimization/52208
1115         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1116         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1117
1118         PR tree-optimization/52255
1119         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1120         loop->header has virtual PHI, but exit_e->dest doesn't, add
1121         virtual PHI to exit_e->dest and adjust all uses after the loop.
1122
1123         PR debug/52260
1124         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1125         children with clone_tree_hash, not after it.
1126
1127 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1128
1129         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1130         extended identifiers.
1131
1132 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1133
1134         PR middle-end/51929
1135         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1136         a same_body_alias, also test whether e->callee isn't a former
1137         or current clone of the decl this is a same body alias of.
1138
1139         PR translation/52264
1140         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1141
1142 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1143
1144         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1145
1146 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1147
1148         PR target/52199
1149         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1150         force_reg instead of copy_to_reg for better optimization.  Force
1151         non-register or memory operands into a register.
1152
1153 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1154
1155         * extend.texi: Reserve upper bits of memory model for future use.
1156
1157 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1158             Anatoly Sokolov <aesok@post.ru>
1159             Eric Weddington <eric.weddington@atmel.com>
1160
1161         PR target/52261
1162         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1163         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1164         Rewrite initializers for .macro.
1165         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1166         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1167         atxmega32d4, atxmega32x1.
1168         avrxmega4: atxmega64a3, atxmega64d3.
1169         avrxmega5: atxmega64a1, atxmega64a1u.
1170         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1171         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1172         avrxmega7: atxmega128a1, atxmega128a1u.
1173         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1174         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1175         (struct base_arch_s): Rename reserved to xmega_p.
1176         Rename reserved2 to have_rampd.
1177         (AVR_XMEGA): New define.
1178         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1179         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1180         * config/avr/predicates.md (io_address_operand): Take into
1181         account SFR offset.
1182         (low_io_address_operand): Ditto.
1183         (high_io_address_operand): Ditto.
1184         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1185         (enabled, movhi_sp_r): Use them.
1186         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1187         cpp_define_formatted to built-in define __AVR_ARCH__.
1188         (__AVR_XMEGA__): New built-in define.
1189         (__AVR_HAVE_RAMPD__): New built-in define.
1190         (__AVR_HAVE_RAMPX__): New built-in define.
1191         (__AVR_HAVE_RAMPY__): New built-in define.
1192         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1193
1194         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1195         (avr_option_override): Initialize them.
1196         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1197         (avr_init_expanders): Initialize them. No more block several calls.
1198         (emit_push_sfr): New static function.
1199         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1200         Handle AVR_XMEGA.
1201         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1202         (avr_print_operand): Print addreeses as symbols for
1203         RAMPX, RAMPY, RAMPD, CCP.
1204         (output_movhi): Handle AVR_XMEGA when writing to SP.
1205         (avr_out_movhi_mr_r_xmega): New static function.
1206         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1207         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1208         __RAMPD__,  __CCP__ as needed.
1209
1210         * config/avr/multilib.h: Regenerate.
1211         * config/avr/t-multilib: Regenerate.
1212         * config/avr/avr-tables.opt: Regenerate.
1213
1214 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1215
1216         PR tree-optimization/50561
1217         * graphite-flattening.c (lst_project_loop): Do not
1218         remove old scattering dimensions after flattening.
1219         (lst_do_flatten): Likewise.
1220
1221 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1222
1223         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1224         __builtin_avr_map8, __builtin_avr_map16.
1225         Document __builtin_avr_insert_bits.
1226
1227         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1228         (insert_bits): New insn.
1229         (adjust_len.map_bits): Rename to insert_bits.
1230         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1231         * avr-protos.h (avr_out_map_bits): Remove.
1232         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1233         * config/avr/constraints.md (Cxf,C0f): New.
1234         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1235         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1236         New built-in define __BUILTIN_AVR_INSERT_BITS.
1237         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1238         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1239         (avr_move_bits): Rewrite.
1240         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1241         functions.
1242         (avr_map_op_t): New typedef.
1243         (avr_map_op): New static variable.
1244         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1245         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1246         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1247         (bdesc_3arg, avr_expand_triop_builtin): New.
1248         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1249         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1250         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1251         (avr_map_equal_p, avr_map_sig_p): Remove.
1252         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1253         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1254         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1255         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1256         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1257         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1258
1259 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1260
1261         * config/c6x/c6x.md (reserve_cycles): New attribute.
1262         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1263         don't reserve functional units after the branch occurs.
1264
1265 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1266
1267         PR middle-end/52142
1268         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1269         functions into non-tm_pure functions.
1270
1271 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1272
1273         PR lto/52178
1274         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1275         (iterative_hash_canonical_type): Likewise.
1276         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1277         the dead edges.
1278
1279 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1280
1281         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1282         sched-group insn, it either remains alone or the entire list is pruned.
1283
1284 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1285
1286         * doc/install.texi (Prerequisites): Fix grammar.
1287         (Configuration): Likewise.
1288
1289 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1290
1291         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1292         MPC as part of GCC before describing configuring with --with-gmp etc.
1293         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1294         sources are present.
1295
1296 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1297
1298         PR debug/51950
1299         * dwarf2out.c (clone_tree_hash): New function.
1300         (copy_decls_walk): Use it instead of clone_tree.
1301
1302 2012-02-14  Richard Guenther  <rguenther@suse.de>
1303
1304         PR tree-optimization/52244
1305         PR tree-optimization/51528
1306         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1307         replacements for integral types.
1308
1309 2012-02-14  Walter Lee  <walt@tilera.com>
1310
1311         * config.gcc: Handle tilegx and tilepro.
1312         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1313         tilegx and tilepro.
1314         Add HAVE_AS_TLS check for tilegx and tilepro.
1315         * configure: Regenerate.
1316         * doc/contrib.texi: Add Mat Hostetter and self.
1317         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1318         Document instruction intrinsics and network accessing intrinsics.
1319         (TILEPro Built-in Functions): New node.  Document instruction
1320         intrinsics and network accessing intrinsics.
1321         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1322         (Specific, tilepro-*-linux*): Likewise.
1323         * doc/invoke.texi (TILE-Gx Options): New section.
1324         (TILEPro Options): New section.
1325         * doc/md.texi (TILE-Gx): New section.
1326         (TILEPro): New section.
1327         * common/config/tilegx/tilegx-common.c: New file.
1328         * common/config/tilepro/tilepro-common.c: New file.
1329         * config/tilegx/constraints.md: New file.
1330         * config/tilegx/linux.h: New file.
1331         * config/tilegx/mul-tables.c: New file.
1332         * config/tilegx/predicates.md: New file.
1333         * config/tilegx/sync.md: New file.
1334         * config/tilegx/t-tilegx: New file.
1335         * config/tilegx/tilegx-builtins.h: New file.
1336         * config/tilegx/tilegx-c.c: New file.
1337         * config/tilegx/tilegx-generic.md: New file.
1338         * config/tilegx/tilegx-modes.def: New file.
1339         * config/tilegx/tilegx-multiply.h: New file.
1340         * config/tilegx/tilegx-protos.h: New file.
1341         * config/tilegx/tilegx.c: New file.
1342         * config/tilegx/tilegx.h: New file.
1343         * config/tilegx/tilegx.md: New file.
1344         * config/tilegx/tilegx.opt: New file.
1345         * config/tilepro/constraints.md: New file.
1346         * config/tilepro/gen-mul-tables.cc: New file.
1347         * config/tilepro/linux.h: New file.
1348         * config/tilepro/mul-tables.c: New file.
1349         * config/tilepro/predicates.md: New file.
1350         * config/tilepro/t-tilepro: New file.
1351         * config/tilepro/tilepro-builtins.h: New file.
1352         * config/tilepro/tilepro-c.c: New file.
1353         * config/tilepro/tilepro-generic.md: New file.
1354         * config/tilepro/tilepro-modes.def: New file.
1355         * config/tilepro/tilepro-multiply.h: New file.
1356         * config/tilepro/tilepro-protos.h: New file.
1357         * config/tilepro/tilepro.c: New file.
1358         * config/tilepro/tilepro.h: New file.
1359         * config/tilepro/tilepro.md: New file.
1360         * config/tilepro/tilepro.opt: New file.
1361
1362 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1363
1364         PR tree-optimization/52210
1365         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1366         vect_model_simple_cost with two entry vect_def_type array instead
1367         of an address of dt.
1368
1369 2012-02-14  Richard Guenther  <rguenther@suse.de>
1370
1371         PR lto/52178
1372         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1373         Do not stream DECL_QUALIFIER.
1374         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1375         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1376         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1377
1378 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1379
1380         PR c/52181
1381         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1382         newdecl.
1383
1384 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1385
1386         PR bootstrap/52172
1387         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1388         * cselib.c (cselib_subst_to_values_from_insn): New function.
1389         * sched-deps.c (add_insn_mem_dependence,
1390         sched_analyze_1, sched_analyze_2): Use it.
1391
1392 2012-02-13  Jan Hubicka  <jh@suse.cz>
1393
1394         PR middle-end/52214
1395         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1396
1397 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1398
1399         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1400         (GTM_SELF_SPECS): Define if not already defined.
1401         (driver_self_specs): Add GTM_SELF_SPECS.
1402         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1403         (GTM_SELF_SPECS): Define.
1404         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1405         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1406
1407 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1408
1409         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1410         away if seen.
1411
1412         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1413
1414         PR middle-end/52230
1415         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1416         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1417
1418 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1419
1420         PR c/52190
1421         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1422
1423 2012-02-13  Richard Guenther  <rguenther@suse.de>
1424
1425         PR translation/52211
1426         * passes.c (enable_disable_pass): Fix typo.
1427
1428 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1429
1430         PR middle-end/52209
1431         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1432         XOR for reduce_bit_field if type is unsigned.
1433
1434 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1435
1436         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1437         disallow changes from SFmode to mode with different size in FP regs.
1438
1439 2012-02-12  Robert Millan  <rmh@gnu.org>
1440             Gerald Pfeifer <gerald@pfeifer.com>
1441
1442         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1443         Tweak comment.
1444
1445 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1446
1447         PR rtl-optimization/52175
1448         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1449         to frame-related instructions.
1450
1451 2012-02-10  Jason Merrill  <jason@redhat.com>
1452
1453         PR c++/51910
1454         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1455         (demangle_new_symbols): Fill it.
1456         (scan_linker_output): Walk it.
1457         (start_tweaking): Split out from scan_linker_output.
1458         (maybe_tweak): Update sym->chosen.
1459         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1460
1461 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1462
1463         PR debug/52132
1464         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1465
1466 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1467
1468         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1469         having the same mode as previous compare.
1470
1471 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1472
1473         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1474         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1475         (nonlocal_goto_internal): Likewise.
1476         (nonlocal_goto): Emit a use and an indirect jump directly.
1477
1478 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1479
1480         PR c/52190
1481         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1482         __atomic_{is,always}_lock_free.
1483
1484 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1485
1486         PR target/52146
1487         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1488         negative constant address for x32.
1489
1490 2012-02-10  Richard Henderson  <rth@redhat.com>
1491
1492         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1493         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1494         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1495
1496 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1497             Ira Rosen  <irar@il.ibm.com>
1498
1499         PR tree-optimization/50031
1500         * targhooks.c (default_builtin_vectorization_cost): Handle
1501         vec_promote_demote.
1502         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1503         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1504         all types of reduction and pattern statements.
1505         (vect_estimate_min_profitable_iters): Likewise.
1506         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1507         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1508         for explicit realigns.
1509         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1510         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1511         vec_promote_demote.
1512         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1513         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1514         vec_perm for VSX and handle vec_promote_demote.
1515
1516 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1517
1518         PR middle-end/52177
1519         * builtins.c (fold_builtin_atomic_always_lock_free,
1520         expand_builtin_atomic_always_lock_free,
1521         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1522         Return and/or test boolean_true_node/boolean_false_node instead of
1523         integer_one_node/integer_zero_node.
1524
1525 2012-02-10  Jan Hubicka  <jh@suse.cz>
1526
1527         PR middle-end/48600
1528         * predict.c (predict_paths_for_bb): Prevent looping.
1529         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1530
1531 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1532
1533         * config/arm/arm.c (output_move_double): In one case properly
1534         count number of instructions that will be emitted.
1535
1536 2012-02-10  Richard Guenther  <rguenther@suse.de>
1537
1538         PR translation/52193
1539         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1540
1541 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1542
1543         PR middle-end/52140
1544         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1545
1546 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1547
1548         PR debug/52165
1549         * var-tracking.c (emit_note_insn_var_location): If
1550         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1551         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1552         non-NOTE_DURING_CALL_P insn.
1553
1554 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1555
1556         PR middle-end/51867
1557         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1558
1559 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1560
1561         PR driver/48524
1562         * gcc.c (switch_matches) Support switches with separated form,
1563         -D and -U.
1564
1565 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1566
1567         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1568         (SP_ADDR): Ditto.
1569         (RAMPZ_ADDR): Ditto.
1570         * config/avr/avr.c (avr_addr_t): New typedef.
1571         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1572         (avr_init_expanders): Initialize it.
1573         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1574         SREG_ADDR.
1575         (expand_epilogue): Ditto.
1576         (avr_print_operand): Ditto.
1577         (avr_file_start): Ditto.
1578         (avr_emit_movmemhi): Ditto.
1579
1580 2012-02-08  Richard Guenther  <rguenther@suse.de>
1581
1582         PR tree-optimization/46886
1583         * tree-flow.h (do_while_loop_p): Declare.
1584         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1585         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1586
1587 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1588
1589         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1590         always succeed for integers larger than a native word.
1591
1592 2012-02-08  Richard Guenther  <rguenther@suse.de>
1593
1594         PR rtl-optimization/52170
1595         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1596         properly handle integer vector modes.
1597
1598 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR gcov-profile/52150
1601         * coverage.c: Include target.h.
1602         (build_var): Call targetm.strip_name_encoding on the assembler name.
1603         Change one _ into . or $ if the target allows it.
1604         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1605
1606         PR rtl-optimization/52139
1607         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1608         is a BARRIER after emit_insn_after_noloc, move BB_END
1609         to the last non-BARRIER insn before it.
1610
1611 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1612
1613         PR middle-end/24306
1614         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1615         (mips_gimplify_va_arg_expr): Call it instead of
1616         std_gimplify_va_arg_expr.
1617
1618 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1619
1620         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1621         message for -mno-pointers-to-nested-function.
1622
1623 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1624
1625         PR middle-end/51994
1626         * expr.c (get_inner_reference): If there is an offset, add a negative
1627         bit position to it (if any).
1628
1629 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1630
1631         PR rtl-optimization/52060
1632         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1633         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1634         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1635         and/or i0src_copy2 when needed.
1636
1637 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1638
1639         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1640         or LTOPLUGINSONAME if have_c.
1641
1642         * config/freebsd-spec.h: Add comment about what macros can be defined
1643         in this header.
1644         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1645         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1646         here instead.
1647
1648 2012-02-07  Richard Guenther  <rguenther@suse.de>
1649
1650         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1651         newline in -alias dumps.
1652
1653 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1654             Dave Korn  <dave.korn.cygwin@gmail.com>
1655
1656         PR target/40068
1657         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1658         Take care that typinfo gets dllexport-attribute.
1659
1660 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1661
1662         PR middle-end/52074
1663         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1664         if modifier < EXPAND_SUM call force_operand on the result.
1665
1666 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1667
1668         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1669         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1670         present.
1671         (epiphany_function_type): Replace types for specific interrupts with
1672         EPIPHANY_FUNCTION_INTERRUPT.
1673         (EPIPHANY_INTERRUPT_P): Update.
1674         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1675         New static function.
1676         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1677         <disinterrupt>: Affects type identity.
1678         (epiphany_handle_interrupt_attribute): Handle variable number of
1679         arguments.
1680         (epiphany_compute_function_type): Update for new
1681         epiphany_function_type definition.
1682         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1683         handlers with a longcall forwarder.
1684         (epiphany_start_function): Handle multiple interrupt arguments and/or
1685         forwarder_section attribute.
1686
1687         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1688         libgloss.
1689
1690 2012-02-07  Alan Modra  <amodra@gmail.com>
1691
1692         PR target/52107
1693         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1694         subregs of TFmode.
1695
1696 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1697
1698         PR tree-optimization/50969
1699         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1700         use vec_perm rather than vector_stmt.
1701         (vect_model_load_cost): Likewise.
1702         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1703         vec_perm to be the same as other vector statements.
1704         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1705         cost of vec_perm for TARGET_VSX.
1706
1707 2012-02-06  Richard Guenther  <rguenther@suse.de>
1708
1709         PR tree-optimization/52115
1710         * tree-sra.c (access_has_replacements_p): New function.
1711         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1712
1713 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1714
1715         PR middle-end/52047
1716         * trans-mem.c (expand_call_tm): Add an assertion.
1717         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1718         functions.
1719
1720 2012-02-06  Richard Guenther  <rguenther@suse.de>
1721
1722         PR tree-optimization/50955
1723         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1724         raise cost of expressions that replace an address with an
1725         expression based on a different pointer.
1726
1727 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1728
1729         PR target/52129
1730         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1731         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1732
1733 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1734
1735         PR c++/48680
1736         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1737         -Weffc++ and specify guidelines come from second edition.
1738
1739 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1740
1741         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1742         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1743         (call_direct_split, call_value_split, call_value_internal_direct)
1744         (call_value_direct_split, call_value_multiple_split): Use jal and
1745         jal_macro attributes.
1746
1747 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1748
1749         * reload1.c (reload_regs_reach_end_p): Replace with...
1750         (reload_reg_rtx_reaches_end_p): ...this function.
1751         (new_spill_reg_store): Update commentary.
1752         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1753         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1754         before setting new_spill_reg_store.
1755         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1756         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1757         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1758         for non-spill reload registers.
1759
1760 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1761
1762         PR tree-optimization/52091
1763         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1764         (vect_is_simple_use_1): Likewise.
1765         * tree-vect-loop.c (vectorizable_reduction): Update calls
1766         to vect_is_simple_use_1 and vect_is_simple_use.
1767         (vectorizable_live_operation): Likewise.
1768         * tree-vect-patterns.c (widened_name_p,
1769         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1770         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1771         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1772         vectorizable_shift,vectorizable_operation, vectorizable_store,
1773         vectorizable_load): Likewise.
1774         (vect_is_simple_cond): Add an argument, pass it to
1775         vect_is_simple_use_1.
1776         (vectorizable_condition): Update calls to vect_is_simple_cond,
1777         vect_is_simple_use.
1778         (vect_is_simple_use): Add an argument, the statement in which
1779         OPERAND is used.  Check that if OPERAND's def stmt is a double
1780         reduction phi node, the use is a phi node too.
1781         (vect_is_simple_use_1): Add an argument, pass it to
1782         vect_is_simple_use.
1783         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1784         to vect_is_simple_use.
1785
1786 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1787
1788         PR rtl-optimization/52095
1789         * modulo-sched.c (dump_insn_locator): New function.
1790         (loop_canon_p, sms_schedule): Use it.
1791
1792         PR rtl-optimization/52113
1793         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1794         even for decomposable shift/zext insns.
1795
1796 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1797             Zdenek Dvorak  <ook@ucw.cz>
1798
1799         PR rtl-optimization/52092
1800         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1801         on get_iv_value result.
1802
1803 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1804
1805         PR middle-end/47982
1806         PR middle-end/43967
1807         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1808
1809 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1810
1811         PR middle-end/48071
1812         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1813
1814 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1815
1816         PR rtl-optimization/49800
1817         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1818         (sched_finish): Call regstat_free_n_sets_and_refs.
1819
1820 2012-02-02  Jia Liu  <proljc@gmail.com>
1821
1822         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1823         than operand 2.
1824
1825 2012-02-02  Jan Hubicka  <jh@suse.cz>
1826             Tom de Vries  <tom@codesourcery.com>
1827
1828         PR middle-end/51998
1829         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1830         * varpool.c (varpool_analyze_pending_decls): Likewise.
1831
1832 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1833             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1834
1835         * config.gcc: Add cr16-* support.
1836
1837         * doc/extend.texi: Document cr16 extensions.
1838         * doc/install.texi: Document cr16 install.
1839         * doc/invoke.texi: Document cr16 options.
1840         * doc/md.texi: Document cr16 constraints.
1841
1842         * common/config/cr16/cr16-common.c: New file.
1843         * config/cr16/cr16.c: New file.
1844         * config/cr16/cr16.h: New file.
1845         * config/cr16/cr16.md: New file.
1846         * config/cr16/cr16.opt: New file.
1847         * config/cr16/cr16-protos.h: New file.
1848         * config/cr16/predicates.md: New file.
1849         * config/cr16/constraints.md: New file.
1850         * config/cr16/t-cr16: New file.
1851
1852 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1853
1854         PR target/52086
1855         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1856         that operands[2] is either immediate, or q_regs_operand.
1857
1858         PR tree-optimization/52073
1859         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1860         a pattern stmt for pattern uses, ignore uses outside of the loop.
1861
1862 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1863
1864         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1865         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1866         (OUT_AS1, OUT_AS2): Remove.
1867
1868 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1869
1870         PR rtl-optimization/51374
1871         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1872         to cross other volatile_refs_p insns.
1873
1874 2012-02-01  Richard Guenther  <rguenther@suse.de>
1875
1876         * doc/invoke.texi (fno-inline): Clarify documentation.
1877         (finline-small-functions): Likewise.
1878         (finline-functions): Likewise.
1879         * common.opt (finline): Adjust comment and documentation.
1880         (finline-small-functions): Clarify documentation.
1881         (finline-functions): Likewise.
1882         (finline-functions-called-once): Likewise.
1883
1884 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1885
1886         * c-typeck.c (composite_type): Keep mode for pointers.
1887
1888 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1889
1890         * function.h (regno_reg_rtx): Adjust comment.
1891         * reginfo.c (init_reg_modes_target): Only use the previous mode
1892         if it fits within one register.  Remove MIPS comment.
1893
1894 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1895
1896         PR bootstrap/52058
1897         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1898
1899 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1900
1901         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1902         to srak instruction.
1903
1904 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1905
1906         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1907
1908 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1909
1910         PR bootstrap/52041
1911         PR bootstrap/52039
1912         PR target/51974
1913         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1914
1915 2012-01-31  Richard Guenther  <rguenther@suse.de>
1916
1917         PR tree-optimization/51528
1918         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1919         assigns.
1920
1921 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1922
1923         PR bootstrap/52041
1924         PR bootstrap/52039
1925         PR target/51974
1926         * ree.c (add_removable_extension): Change def_map argument
1927         to unsigned *, store in def_map 1 + offset into *insn_list vector
1928         instead of pointers into the vector.
1929         (find_removable_extensions): Adjust caller.
1930
1931 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1932
1933         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1934         Transform all "* quoted-c-code" to { c-code }.
1935         Remove redundant test for "optimize" in combine patterns.
1936         Move (include "avr-dimode.md") to end of file.
1937
1938 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1939
1940         PR target/51835
1941         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1942         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1943
1944 2012-01-30  Richard Guenther  <rguenther@suse.de>
1945
1946         PR tree-optimization/52028
1947         * tree-loop-distribution.c (ldist_gen): Properly update
1948         virtual SSA form.
1949
1950 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1951
1952         PR debug/52027
1953         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1954         set_cur_line_info_table if not emitting debug info.
1955
1956         PR tree-optimization/52046
1957         * tree-vect-patterns.c (check_bool_pattern): Give up if
1958         a comparison could throw.
1959
1960         PR debug/52048
1961         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1962
1963 2012-01-30  Richard Guenther  <rguenther@suse.de>
1964
1965         PR tree-optimization/52045
1966         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1967         SSA form if cfgcleanup did anything.
1968
1969 2012-01-30  Richard Guenther  <rguenther@suse.de>
1970
1971         PR tree-optimization/52045
1972         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1973         before computing final todo.
1974
1975 2012-01-30  Richard Guenther  <rguenther@suse.de>
1976
1977         PR tree-optimization/51528
1978         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1979         for PR51528 fix.
1980
1981 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1982
1983         * df-problems.c (df_kill_notes): Check that the use refers
1984         to the note under examination.
1985
1986 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1987
1988         PR target/51920
1989         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1990         parameter and use short-lived pseudos.
1991         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1992         (sparc_expand_vector_init): Const-ify local variables and adjust
1993         calls to above functions.
1994
1995 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1996
1997         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1998
1999 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2000
2001         * doc/invoke.texi: Make usage of "compile time" and
2002         "run time"/"runtime" consistent throughout the file.
2003
2004 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2005
2006         * config/alpha/alpha.c (alpha_option_override): Default to
2007         full IEEE compliance mode for Go language.
2008
2009 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2010
2011         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2012         (LINK_SSP_SPEC): Define.
2013
2014 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2015
2016         PR target/51871
2017         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2018         stubs.
2019
2020 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2021
2022         * doc/invoke.texi: Correct hyphenation of "floating point",
2023         "double precision", and related terminology throughout the file.
2024
2025 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2026
2027         PR target/52006
2028         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2029         arm_general_register_operand predicate for operand 2 instead of
2030         register_operand.
2031
2032 2012-01-27  Ian Lance Taylor  <iant@google.com>
2033
2034         PR go/47656
2035         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2036         * builtins.c (expand_builtin_init_trampoline): Add onstack
2037         parameter.  Change caller.
2038         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2039         * tree.c (build_common_builtin_nodes): Declare
2040         __builtin_init_heap_trampoline.
2041
2042 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2043
2044         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2045         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2046         * config/avr/avr.c: Ditto.
2047         (avr_regnames): Remove because unused.
2048         * config/avr/avr.md (*cpse.ne): New peephole.
2049         (*cpse.eq): New peephole from former cpse peepholes.
2050
2051 2012-01-27  Michael Eager  <eager@eagercon.com>
2052
2053         * config/microblaze.c (microblaze_emit_compare): Correct
2054         test after pcmp instruction.
2055
2056 2012-01-27  Richard Guenther  <rguenther@suse.de>
2057
2058         PR tree-optimization/52020
2059         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2060
2061 2012-01-27  Richard Guenther  <rguenther@suse.de>
2062
2063         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2064         function non-const/pure.
2065
2066 2012-01-27  Richard Guenther  <rguenther@suse.de>
2067
2068         PR tree-optimization/50444
2069         * tree-sra.c (build_ref_for_offset): Properly adjust the
2070         MEM_REF type for unaligned accesses.
2071
2072 2012-01-27  Richard Guenther  <rguenther@suse.de>
2073
2074         PR tree-optimization/50444
2075         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2076         (expand_assignment): Use it.  Properly handle misaligned
2077         bases when expanding stores to component references.
2078         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2079         refactor that case.
2080
2081 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2082
2083         PR middle-end/51389
2084         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2085         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2086         * tree-data-ref.c (find_data_references_in_loop): Make static.
2087         (compute_all_dependences): Change return type to bool.  Bail out
2088         for too many datarefs in a loop.  Move the hunk resetting the data
2089         dependences vector from ...
2090         (compute_data_dependences_for_loop): ... here.  Account for
2091         compute_all_dependences returning false.
2092         (compute_data_dependences_for_bb): Likewise.
2093         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2094         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2095
2096 2012-01-27  Richard Guenther  <rguenther@suse.de>
2097
2098         PR middle-end/51959
2099         * expr.c (store_field): Use the alias-set of the scratch memory
2100         for storing to it.
2101
2102 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2103
2104         PR tree-optimization/51990
2105         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2106         WITH_SIZE_EXPR.
2107         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2108
2109 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2110
2111         PR debug/52001
2112         * var-tracking.c (reverse_op): Don't add any reverse operation
2113         if V already has any constant locations.
2114
2115 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2116
2117         * doc/invoke.texi: Correct usage of "command line" (noun)
2118         vs "command-line" (adjective) throughout.
2119
2120 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2121
2122         * doc/invoke.texi (Language Independent Options): Move
2123         -Wcoverage-mismatch blurb from here....
2124         (Warning Options): ...to here.
2125
2126 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2127
2128         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2129         Set rs6000_always_hint to false for 476.
2130
2131 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2132
2133         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2134           system root.
2135         * incpath.c (add_standard_paths): Likewise.
2136
2137 2012-01-27  Richard Henderson  <rth@redhat.com>
2138
2139         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2140         * config/m68k/sync.md (atomic_test_and_set): Rename from
2141         sync_test_and_setqi and adjust the operands.
2142         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2143         and unconditionally enable.
2144
2145 2012-01-27  Richard Henderson  <rth@redhat.com>
2146
2147         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2148         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2149         (ldstub): Rename from ldstubqi.
2150         (ldstub<I24MODE>): Remove.
2151
2152 2012-01-27  Richard Henderson  <rth@redhat.com>
2153
2154         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2155         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2156         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2157         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2158         * doc/tm.texi: Rebuild.
2159
2160 2012-01-27  Richard Henderson  <rth@redhat.com>
2161
2162         * optabs.c (gen_atomic_test_and_set): Remove default.
2163         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2164
2165 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2166
2167         PR rtl-optimization/51978
2168         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2169         (combine_reaching_defs): Likewise.
2170         (struct re_info): Remove.
2171         (add_removable_extension): Remove x and data arguments,
2172         add insn, insn_list and def_map.  Use the arguments directly
2173         instead of using struct re_info.
2174         (find_removable_extensions): Don't call add_removable_extension
2175         through note_stores, instead just call it with single_set
2176         result if non-NULL.
2177         (find_and_remove_re): Pass curr_cand->expr instead of
2178         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2179
2180 2012-01-26  Michael Matz  <matz@suse.de>
2181
2182         PR tree-optimization/46590
2183         * cfgexpand.c: Revert last change (r183305).
2184         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2185         regs.
2186         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2187         checking for emptiness.
2188
2189 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2190
2191         PR middle-end/51895
2192         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2193         non-addressable non-BLKmode base correctly.
2194
2195 2012-01-26  Michael Matz  <matz@suse.de>
2196
2197         PR tree-optimization/48794
2198         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2199         regions referenced from RESX/EH_DISPATCH.
2200
2201 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2202
2203         * config/s390/s390.h: Make BRANCH_COST an option.
2204         * config/s390/s390.opt: New option -mbranch-cost.
2205
2206 2012-01-26  Richard Henderson  <rth@redhat.com>
2207
2208         Revert 2012-01-24 change:
2209         * trans-mem.c (requires_barrier): Do not instrument thread local
2210         variables and emit save/restore for them.
2211
2212 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2213
2214         PR middle-end/51986
2215         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2216         for pat == 0.
2217
2218 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2219
2220         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2221         ASM_OPERANDS.
2222
2223 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2224
2225         PR target/49868
2226         Rename __pgm to __flash.
2227         Rename __pgm1 to __flash1.
2228         Rename __pgm2 to __flash2.
2229         Rename __pgm3 to __flash3.
2230         Rename __pgm4 to __flash4.
2231         Rename __pgm5 to __flash5.
2232         Rename __pgmx to __memx.
2233         * doc/extend.texi (AVR Named Address Spaces)
2234         Rename address space names as indicated above.
2235         * config/avr/avr.c (avr_addrspace): Ditto.
2236
2237         * config/avr/avr-protos.h
2238         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2239         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2240         * config/avr/predicates.md: Ditto.
2241         * config/avr/avr.c Ditto, and
2242         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2243         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2244
2245         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2246         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2247         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2248         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2249         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2250         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2251         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2252         * config/avr/avr.c: Ditto.
2253         * config/avr/avr.md: Ditto.
2254
2255 2012-01-25  Jason Merrill  <jason@redhat.com>
2256
2257         PR c++/51992
2258         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2259
2260 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2261
2262         PR tree-optimization/51987
2263         * tree-data-ref.c (get_references_in_stmt): Handle references in
2264         non-volatile GIMPLE_ASM.
2265
2266 2012-01-25  Richard Guenther  <rguenther@suse.de>
2267
2268         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2269         bases are dereferenced.
2270
2271 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2272
2273         PR rtl-optimization/48374
2274         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2275
2276 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2277
2278         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2279         compute_data_dependences_for_loop returns false.
2280         * tree-parloops.c (loop_parallel_p): Likewise.
2281
2282 2012-01-25  Richard Guenther  <rguenther@suse.de>
2283
2284         * tree.h (get_pointer_alignment_1): Declare.
2285         * builtins.c (get_pointer_alignment_1): New function.
2286         (get_pointer_alignment): Use it.
2287
2288 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2289
2290         PR rtl-optimization/48308
2291         * combine.c (enum undo_kind): Add UNDO_LINKS.
2292         (struct undo): Add member l to other_contents and where.
2293         (do_SUBST_LINK): New.
2294         (SUBST_LINK): New.
2295         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2296         (undo_all): Handle UNDO_LINKS.
2297
2298 2012-01-25  Richard Henderson  <rth@redhat.com>
2299
2300         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2301         mem inputs.
2302
2303 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2304
2305         * optabs.c (gen_atomic_test_and_set): Use each argument.
2306
2307 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2308
2309         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2310         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2311         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2312         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2313         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2314         TARGET_PAIRED_SINGLE_FLOAT.
2315
2316 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2317
2318         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2319         (in_struct, return_val): Remove MEM documentation.
2320         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2321         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2322         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2323         and MEM_SCALAR.
2324         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2325         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2326         * expr.c (store_field): Likewise.
2327         * function.c (assign_stack_temp_for_type): Likewise.
2328         * ifcvt.c (noce_try_cmove_arith): Likewise.
2329         * reload1.c (reload): Likewise.
2330         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2331         (alpha_set_memflags): Likewise.
2332         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2333
2334 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2335
2336         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2337         parameter.
2338         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2339         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2340         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2341         varies parameter.
2342         * cselib.c (cselib_rtx_varies_p): Delete.
2343         (cselib_invalidate_mem): Update call to canon_true_dependence.
2344         * dse.c (record_store, check_mem_read_rtx): Likewise.
2345         (scan_reads_nospill): Likewise.
2346         * cse.c (check_dependence): Likewise.
2347         (cse_rtx_varies_p): Delete.
2348         * expr.c (safe_from_p): Update call to true_dependence.
2349         * ira.c (validate_equiv_mem_from_store): Likewise.
2350         (memref_referenced_p): Likewise.
2351         * postreload-gcse.c (find_mem_conflicts): Likewise.
2352         * sched-deps.c (sched_analyze_2): Likewise.
2353         * store-motion.c (load_kills_store): Likewise.
2354         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2355         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2356         (compute_transp): Update call to canon_true_dependence.
2357
2358 2012-01-25  Richard Henderson  <rth@redhat.com>
2359
2360         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2361         (maybe_emit_atomic_test_and_set): New.
2362         (expand_sync_lock_test_and_set): Use it.
2363         (expand_atomic_test_and_set): Likewise.
2364         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2365         the implementation; clarify implementation defined details.
2366         * doc/md.texi (atomic_test_and_set): Document.
2367
2368 2012-01-25  Richard Henderson  <rth@redhat.com>
2369
2370         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2371
2372 2012-01-25  Richard Henderson  <rth@redhat.com>
2373
2374         PR target/51968
2375         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2376         to effect no-op split.
2377
2378 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2379
2380         PR lto/51698
2381         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2382         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2383         (BT_FN_VOID_PTR_INT_SIZE): New.
2384         (BT_FN_UINT_UINT_VAR): Remove.
2385         (BT_FN_UINT32_UINT32_VAR): New.
2386         (BT_FN_DOUBLE_VPTR): Remove.
2387         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2388
2389         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2390         (_ITM_changeTransactionMode): Same.
2391         (_ITM_memmoveRtWt): Change return type to void.
2392         (_ITM_memcpyRtWt): Same.
2393         (_ITM_memsetW): Same.
2394         (_ITM_RaRD): Change types to double.
2395         (_ITM_RD): Same.
2396         (_ITM_RaWD): Same.
2397         (_ITM_RfWD): Same.
2398
2399         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2400
2401 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2402             Patrick Marlier  <patrick.marlier@gmail.com>
2403
2404         * trans-mem.c (requires_barrier): Do not instrument thread local
2405         variables and emit save/restore for them.
2406
2407 2012-01-24  Jason Merrill  <jason@redhat.com>
2408
2409         PR c++/51812
2410         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2411         output static aliases.
2412
2413 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2414
2415         PR driver/47249
2416         * common.opt (-pie, -shared, pie, shared): Change from Common to
2417         Driver.
2418         * gcc.c (display_help): Display help for -pie and -shared.
2419
2420 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2421
2422         PR target/49868
2423         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2424         Remove note on size/offset limitation.
2425         (AVR Variable Attributes): Add example how to read data located
2426         with progmem.  Refer to named address spaces.
2427         * doc/invoke.texi (AVR Options): Fix typo.
2428
2429 2012-01-24  Richard Guenther  <rguenther@suse.de>
2430
2431         Forward-port to trunk
2432         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR middle-end/45678
2435         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2436         op0 isn't sufficiently aligned and there is movmisalignM
2437         insn for mode, use it to load op0 into a temporary register.
2438
2439 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2440
2441         PR target/51957
2442         * target.def (const_not_ok_for_debug_p): New hook.
2443         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2444         documentation.
2445         * doc/tm.texi: Regenerated.
2446         * dwarf2out.c (const_ok_for_output_1): If
2447         targetm.const_not_ok_for_debug_p returns true, fail.
2448         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2449         function.
2450         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2451
2452 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2453
2454         PR target/51900
2455         * config/i386/predicates.md (symbolic_operand): Allow
2456         UNSPEC_PCREL as PIC expression for lea.
2457         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2458         * config/i386/i386.c (ix86_delegitimize_address): Handle
2459         UNSPEC_PCREL for none-MEM, too.
2460
2461 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2462
2463         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2464         (ipa_tm_create_version_alias): Same.
2465
2466 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2467
2468         PR libitm/51830
2469         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2470         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2471
2472 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2473             Patrick Marlier  <patrick.marlier@gmail.com>
2474             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2475
2476         PR lto/51916
2477         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2478         simple_object_start_read.
2479
2480 2012-01-23  Richard Guenther  <rguenther@suse.de>
2481
2482
2483         PR tree-optimization/51895
2484         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2485         parameter decomposition into BLKmode components.
2486
2487 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2488
2489         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2490         fake variables for restrict-qualified pointers whose pointed-to type
2491         contains a placeholder.
2492
2493 2012-01-23  Richard Guenther  <rguenther@suse.de>
2494
2495         PR tree-optimization/51949
2496         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2497
2498 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2499
2500         PR rtl-optimization/51933
2501         * ree.c (transform_ifelse): Return true right away if dstreg is
2502         already wider or equal to cand->mode.
2503         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2504         (make_defs_and_copies_lists): Remove defs_list and copies_list
2505         arguments, add state argument, just truncate state->work_list
2506         instead of always allocating and freeing the vector.  Assert that
2507         get_defs succeeds instead of returning 2.  Changed return type to bool.
2508         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2509         have ext_src_mode, see if it has been modified already with the
2510         right kind of extension and has been extended before from the
2511         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2512         just return true.  Remember the original mode in state->modified array.
2513         (combine_reaching_defs): Add state argument.  Don't allocate and
2514         free here def_list, copied_list and vec vectors, instead just
2515         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2516         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2517         Add state variable, clear vectors in it, initialize state.modified
2518         if needed.  Free all the vectors at the end and state.modified too.
2519         Don't skip a candidate if the extension expression has been modified.
2520
2521 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2522
2523         PR target/47096
2524         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2525          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2526         (extra_options) interix.opt -> i386/interix.opt"
2527         (extra_objs):Add winnt-stubs.o
2528         * configure.ac: Add interix to target_os .comm on PE check.
2529         * configure: Regenerate.
2530         * config/interix3.h: Delete and move bits to..
2531         * config/interix.h: Delete and move bits to..
2532         * config/i386/i386-interix3.h: Delete and move bits to..
2533         * config/i386/i386-interix.h: ..here.
2534         (TARGET_CPU_DEFAULT): Remove redefinition.
2535         (TARGET_ASM_CONSTRUCTOR): Undefine.
2536         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2537         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2538         (PTRDIFF_TYPE): Define.
2539         (LONG_DOUBLE_TYPE_SIZE): Define.
2540         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2541         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2542         (TARGET_SECTION_TYPE_FLAGS): Define.
2543         (ASM_DECLARE_FUNCTION_NAME): Define.
2544         (ASM_OUTPUT_EXTERNAL): Define.
2545         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2546         (ASM_OUTPUT_ALIGNED_BSS): Define.
2547         (PCC_BITFIELD_TYPE_MATTERS): Define.
2548         (USE_CONST_SECTION): Define.
2549         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2550         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2551         (SUPPORTS_ONE_ONLY): Remove.
2552         (I386_PE_STRIP_ENCODING): Define.
2553         * config/interix.opt: Delete and move bits to..
2554         * config/i386/interix.opt: ..here. New.
2555         (mpe-aligned-commons): Add.
2556         * config/i386/t-interix: Add copyright header.
2557         (winnt-stubs.o): Add rule.
2558
2559 2012-01-22  Jason Merrill  <jason@redhat.com>
2560
2561         PR c++/51832
2562         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2563         for extra name aliases.
2564
2565 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2566
2567         PR rtl-optimization/51924
2568         * ree.c (combine_set_extension): Improve debugging message.
2569         (combine_reaching_defs): Likewise.
2570         (get_defs): Rename confusingly named variable.
2571         (find_and_remove_re): Skip a candidate if the extension expression has
2572         been modified.
2573
2574 2012-01-21  Robert Millan  <rmh@gnu.org>
2575             Gerald Pfeifer  <gerald@pfeifer.com>
2576
2577         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2578         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2579
2580 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2581
2582         PR tree-optimization/51914
2583         * tree-vect-stmts.c (vectorizable_conversion): For
2584         cvt_type && modifier == WIDEN, put temporary with cvt_type
2585         at the beginning of vec_dsts and set vec_dest to temporary
2586         with vectype_out.
2587
2588 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2589
2590         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2591
2592 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2593
2594         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2595         * config/rs6000/rs6000.c: Likewise.
2596
2597 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2598
2599         PR target/51915
2600         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2601         output_move_double on a copy of operands array.
2602
2603 2012-01-20  Cary Coutant  <ccoutant@google.com>
2604             Dodji Seketeli  <dodji@redhat.com>
2605
2606         PR debug/45682
2607         * dwarf2out.c (copy_declaration_context): Return ref to parent
2608         of declaration DIE, if necessary.
2609         (remove_child_or_replace_with_skeleton): Add new parameter; update
2610         caller.  Place skeleton DIE under parent DIE of original declaration.
2611         Move call to copy_declaration_context to here ...
2612         (break_out_comdat_types): ... from here.
2613
2614 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2615
2616         PR rtl-optimization/51856
2617         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2618         flag to reloaded.
2619
2620 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2621
2622         PR target/51819
2623         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2624         hints for neon loads and stores.
2625
2626 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2627
2628         PR target/49868
2629         PR target/50887
2630         * doc/extend.texi (Named Address Spaces): Split into subsections.
2631         (AVR Named Address Spaces): New subsection.
2632         (M32C Named Address Spaces): New subsection.
2633         (RL78 Named Address Spaces): New subsection.
2634         (SPU Named Address Spaces): New subsection.
2635         (Variable Attributes): New anchor "AVR Variable Attributes".
2636         (AVR Variable Attributes): Rewrite and avoid wording
2637         "address space" in this context.
2638         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2639         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2640         (AVR Built-in Macros): New subsubsection therein.
2641         * doc/md.texi (AVR constraints): Remove "C04", "R".
2642
2643 2012-01-20  Richard Guenther  <rguenther@suse.de>
2644
2645         PR tree-optimization/51903
2646         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2647         when removing stmts.
2648
2649 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2650
2651         PR target/50313
2652         * config/arm/arm.c (arm_load_pic_register): Use
2653         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2654         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2655         (arm_pic_static_addr): Likewise.
2656         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2657         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2658         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2659         (pic_load_addr_unified): New.
2660
2661 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2662
2663         PR target/51106
2664         * function.c (instantiate_virtual_regs_in_insn): Use
2665         delete_insn_and_edges when removing a wrong asm insn.
2666
2667 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2668
2669         PR rtl-optimization/40761
2670         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2671         Add new member loop_num.
2672         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2673         (ira_build): Remove the parameter.
2674
2675         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2676         (ira.c): Do not build CFG loops for one region allocation.  Remove
2677         argument from ira_build call.
2678
2679         * ira-build.c (init_loop_tree_node): New function.
2680         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2681         loops are not built.
2682         (more_one_region_p): Check current_loops.
2683         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2684         built.
2685         (add_loop_to_tree): Process loop equal to NULL too.
2686         (form_loop_tree): Separate the case when CFG loops are not built.
2687         Use explicitly number for the root.
2688         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2689         an assertion.
2690         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2691         instead of loop->num.
2692         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2693         (mark_all_loops_for_removal): Ditto.
2694         (remove_unnecessary_regions): Separate the case when CFG loops
2695         are not built.
2696         (ira_build): Remove the parameter.  Use explicit number of regions
2697         when CFG loops are not built.
2698
2699         * ira-color.c (print_loop_title): Separate the case for the root node.
2700         Use loop_num instead of loop->num.
2701         (move_spill_restore): Use loop_num instead of loop->num.
2702
2703         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2704         (change_loop): Ditto.
2705         (change_loop): Use loop_num instead of loop->num.
2706
2707         * ira-lives.c (process_bb_node_lives): Ditto.
2708
2709         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2710
2711         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2712
2713 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2714
2715         PR libmudflap/40778
2716         * tree-mudflap.c (mf_artificial): New function.
2717         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2718         mx_register_decls, mudflap_enqueue_decl): Use it.
2719
2720         PR target/51876
2721         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2722         numbers in the insn pattern.
2723
2724 2012-01-19  Michael Matz  <matz@suse.de>
2725
2726         PR tree-optimization/46590
2727         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2728         use it in remembering which conflicts we already created.
2729         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2730         bitmap.
2731
2732 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2733
2734         PR lto/51280
2735         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2736         (merge_and_complain): Same.
2737
2738 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2739
2740         PR bootstrap/50237
2741         * config/initfini-array.h: Guard content of the header
2742         with #ifdef HAVE_INITFINI_ARRAY.
2743         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2744         Add initfini-array.h to tm_file here.
2745         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2746         * config.gcc: Don't add initfini-array.h to tm_file here.
2747         * configure: Regenerated.
2748
2749 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2750
2751         PR rtl-optimization/51505
2752         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2753         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2754         (df_note_bb_compute): Update the call to df_kill_notes.
2755
2756 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2757
2758         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2759
2760 2012-01-18  Richard Guenther  <rguenther@suse.de>
2761
2762         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2763         of conversions to void *.
2764
2765 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2766             Richard Sandiford  <rdsandiford@googlemail.com>
2767
2768         PR middle-end/50325
2769         PR middle-end/51192
2770         * optabs.h (simplify_expand_binop): Declare.
2771         * optabs.c (simplify_expand_binop): Make global.
2772         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2773         endian targets if the source cannot be exactly covered by word
2774         mode chunks.
2775
2776 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2777
2778         PR bootstrap/51872
2779         * hard-reg-set.h (struct hard_reg_set_container): New type.
2780         * target.h (struct hard_reg_set_container): Forward declare.
2781         * target.def (set_up_by_prologue): New target hook.
2782         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2783         * doc/tm.texi: Regenerated.
2784         * function.c (thread_prologue_and_epilogue_insns): Change
2785         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2786         Call targetm.set_up_by_prologue on it.
2787         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2788         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2789
2790 2012-01-17  Nick Clifton  <nickc@redhat.com>
2791
2792         * config/rx/rx.c (rx_can_use_simple_return): New function.
2793         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2794         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2795
2796 2012-01-17  Richard Guenther  <rguenther@suse.de>
2797
2798         PR middle-end/51782
2799         * expr.c (expand_assignment): Take address-space information
2800         from the address operand of MEM_REF and TARGET_MEM_REF.
2801         (expand_expr_real_1): Likewise.
2802
2803 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2804
2805         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2806         reload dump is requested.
2807
2808 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2809
2810         PR other/51165
2811         * trans-mem.c (requires_barrier): Call may_be_aliased.
2812
2813 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR tree-optimization/51877
2816         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2817         call arguments and fndecls compare equal, instead return false if they
2818         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2819         both SSA_NAMEs that are valueized the same, or they satisfy
2820         operand_equal_p.
2821
2822 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2823
2824         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2825         Solaris 11+.
2826         * configure: Regenerate.
2827
2828 2012-01-16  Jan Hubicka  <jh@suse.cz>
2829
2830         PR c/12245
2831         PR c++/14179
2832         * convert.c (convert_to_integer): Use fold_convert for
2833         converting an INTEGER_CST to integer type.
2834
2835 2012-01-16  Jason Merrill  <jason@redhat.com>
2836
2837         PR c++/14179
2838         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2839
2840 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2841
2842         PR bootstrap/51860
2843         * config/s390/s390.c (s390_chunkify_start): Don't skip
2844         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2845         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2846         If insn is followed by NOTE_INSN_VAR_LOCATION or
2847         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2848         Don't use location of note insns.
2849
2850         PR tree-optimization/51865
2851         * tree-inline.c (tree_function_versioning): Call remap_decl
2852         on DECL_RESULT whenever it has VOID_TYPE_P type.
2853
2854 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2855
2856         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2857         for calls to locally-binding MIPS16 functions if only the return
2858         type uses float regs.
2859
2860 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2861             Richard Sandiford  <rdsandiford@googlemail.com>
2862
2863         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2864         (SYMBOL_32_HIGH): Likewise.
2865         (mips_output_tls_reloc_directive): Declare.
2866         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2867         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2868         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2869         (mips_lo_relocs, mips_hi_relocs): Make extern.
2870         (mips16_stub_function): Move up file.
2871         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2872         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2873         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2874         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2875         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2876         (mips_get_tp): Add MIPS16 support.
2877         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2878         Generalize DTPREL and TPREL handling.
2879         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2880         Add MIPS16 TLS support.
2881         (mips_output_tls_reloc_directive): New function.
2882         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2883         * config/mips/predicates.md (symbolic_operand_with_high)
2884         (tls_reloc_operand): New predicates.
2885         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2886         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2887         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2888         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2889         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2890         (*tls_get_tp_mips16_call_<mode>): Likewise.
2891
2892 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2893
2894         PR rtl-optimization/51821
2895         * recog.c (peep2_find_free_register): Determine clobbered registers
2896         from insn pattern.
2897
2898 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2899
2900         PR target/50925
2901         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2902         * config/avr/avr.c: Likewise.
2903         * config/avr/avr.h: Likewise.
2904
2905 2012-01-13  Ian Lance Taylor  <iant@google.com>
2906
2907         PR c++/50012
2908         * tree.h (TYPE_QUALS): Add cast to int.
2909         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2910
2911 2012-01-13  Ian Lance Taylor  <iant@google.com>
2912
2913         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2914         comparing param_index to VEC_length result.
2915
2916 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2917
2918         * c-decl.c: Do not include tree-mudflap.h
2919         * tree-optimize.c: Likewise.
2920         * Makefile.in: Update dependencies.
2921
2922 2012-01-13  Richard Guenther  <rguenther@suse.de>
2923
2924         PR middle-end/8081
2925         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2926         variable-sized result always use RSO.
2927
2928 2012-01-12  DJ Delorie  <dj@redhat.com>
2929
2930         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2931         pointer type, not just the default pointer type.
2932
2933 2012-01-09  Richard Henderson  <rth@redhat.com>
2934             Denis Chertykov  <chertykov@gmail.com>
2935
2936         PR target/50925
2937         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2938         * config/avr/avr.c (avr_can_eliminate): Simplify.
2939         (avr_initial_elimination_offset): Likewise.
2940         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2941         (expand_epilogue): Likewise.
2942         (avr_legitimize_address): Gut.
2943         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2944         (avr_hard_regno_nregs): New.
2945         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2946         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2947         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2948         add soft frame pointer.
2949         (CALL_USED_REGISTERS): Likewise.
2950         (REG_CLASS_CONTENTS): Likewise.
2951         (REGISTER_NAMES): Likewise.
2952         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2953         (HARD_FRAME_POINTER_REGNUM): New.
2954         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2955         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2956         remove the HARD_FRAME_POINTER self-elimination.
2957
2958 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2959
2960         PR target/51756
2961         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2962         DECL_EXTERNAL when checking for initializers of progmem variables.
2963
2964 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2965
2966         PR tree-optimization/51799
2967         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2968         that the last operation is a type demotion.
2969
2970 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2971
2972         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2973         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2974
2975 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2976
2977         PR bootstrap/51796
2978         * combine.c (distribute_notes): If i3 is a noreturn call,
2979         allow old_size to be equal to args_size and make sure the
2980         noreturn call gets REG_ARGS_SIZE note.
2981         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2982         on noreturn calls even when the delta is 0.
2983
2984 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2985
2986         * gcov.c (STRING_SIZE): Remove.
2987         (generate_results): Erase annotations for source files with no
2988         coverage information.
2989         (read_line): New.
2990         (output_lines): Use it.
2991
2992 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2993
2994         * gimple.h (gimplify_body): Remove first argument.
2995         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2996         pointer set here, instead just pass DATA to walk_tree.
2997         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2998         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2999         (unvisit_body): Likewise, but with unmark_visited.
3000         (gimplify_body): Remove BODY_P argument and adjust.
3001         (gimplify_function_tree): Adjust call to gimplify_body.
3002         * omp-low.c (finalize_task_copyfn): Likewise.
3003
3004 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3005
3006         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3007         (build_function_type_skip_args): Delete.
3008         * tree.c (build_function_type_skip_args): Make static and add
3009         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3010         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3011         pass it to build_function_type_skip_args.
3012         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3013         (tree_function_versioning): Likewise.
3014         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3015         build_function_decl_skip_args.
3016         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3017         and pass it to build_function_decl_skip_args/tree_function_versioning.
3018         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3019         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3020         * trans-mem.c (ipa_tm_create_version): Likewise.
3021         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3022         * tree-inline.c (declare_return_variable): Remove always-true test.
3023         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3024         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3025         * ipa-split.c (split_function): Skip the return value for the split
3026         part if it doesn't return.
3027
3028 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3029
3030         PR tree-optimization/49642
3031         * ipa-split.c (forbidden_dominators): New variable.
3032         (check_forbidden_calls): New function.
3033         (dominated_by_forbidden): Likewise.
3034         (consider_split): Check for forbidden dominators.
3035         (execute_split_functions): Initialize and free forbidden
3036         dominators info; call check_forbidden_calls.
3037
3038 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3039
3040         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3041
3042 2012-01-11  Nick Clifton  <nickc@redhat.com>
3043
3044         * config/rx/rx.md (return): Define pattern.
3045
3046 2012-01-11  Richard Guenther  <rguenther@suse.de>
3047
3048         * doc/extend.texi (malloc attribute): Adjust according to
3049         implementation.
3050
3051 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3052             Patrick Marlier  <patrick.marlier@gmail.com>
3053
3054         PR middle-end/51516
3055         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3056         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3057         (ipa_tm_note_irrevocable): Same.
3058         (ipa_tm_scan_irr_block): Same.
3059         (ipa_tm_decrement_clone_counts): Same.
3060         (ipa_tm_scan_irr_function): Same.
3061         (ipa_tm_create_version_alias): Same.
3062         (ipa_tm_create_version): Same.
3063         (ipa_tm_transform_calls_redirect): Same.
3064         (ipa_tm_transform_calls): Same.
3065         (ipa_tm_transform_transaction): Same.
3066         (ipa_tm_execute): Same.
3067
3068 2012-01-10  Richard Guenther  <rguenther@suse.de>
3069
3070         PR middle-end/51806
3071         * opts.c (common_handle_option): Handle -Werror.
3072
3073 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3074
3075         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3076         operand number.
3077
3078 2012-01-10  Jason Merrill  <jason@redhat.com>
3079
3080         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3081         information.
3082
3083 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3084
3085         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3086         supports R_386_TLS_GD_PLT reloc.
3087         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3088         supports R_386_TLS_LDM_PLT reloc.
3089         * configure: Regenerate.
3090         * config.in: Regenerate.
3091
3092 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3093
3094         PR target/49868
3095         Extend __pgmx semantics to linearize memory.
3096         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3097         determine if code comes inline or from libgcc.
3098         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3099         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3100         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3101         (movmemx_qi, movmemx_hi): New insns.
3102         (xload_<mode>_libgcc): Rewrite to new insn condition.
3103         (xload_<mode>): Remove insns.
3104         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3105         cases that don't satisfy avr_xload_libgcc_p().
3106         (avr_addr_space_convert): Allow converting in any direction.
3107         (avr_addr_space_subset_p): Return always true.
3108         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3109         (avr_emit_movmemhi): Ditto.
3110         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3111         (avr_out_movmem): Ditto.
3112         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3113         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3114         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3115         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3116         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3117
3118 2012-01-10  Richard Guenther  <rguenther@suse.de>
3119
3120         PR tree-optimization/50913
3121         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3122         Require data-refs to be representable by Graphite with respect
3123         to any loop nest.
3124
3125 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3126
3127         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3128         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3129
3130 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3131
3132         PR rtl-optimization/51271
3133         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3134         handling annulled branch.
3135
3136 2012-01-10  Richard Henderson  <rth@redhat.com>
3137
3138         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3139         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3140         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3141         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3142         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3143         arm_expand_vec_perm_const): New.
3144         * config/arm/arm-protos.h: Update.
3145         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3146         (*neon_vswp<VDQX>): New.
3147         (neon_vcombine<VDX>): Use neon_split_vcombine.
3148         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3149         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3150         (vec_perm<VE>): New.
3151
3152 2012-01-10  Richard Henderson  <rth@redhat.com>
3153
3154         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3155         use it if reload_completed.
3156         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3157         arm_output_asm_insn, arm_process_output_memory_barrier,
3158         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3159         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3160         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3161         arm_process_output_sync_insn, arm_output_sync_insn,
3162         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3163         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3164         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3165         (emit_unlikely_jump): New.
3166         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3167         (arm_split_atomic_op): New.
3168         * config/arm/arm-protos.h: Update.
3169         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3170         (struct arm_sync_generator): Remove.
3171         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3172         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3173         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3174         (VUNSPEC_LL, VUNSPEC_SC): New.
3175         (sync_result, sync_memory, sync_required_value, sync_new_value,
3176         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3177         (attr length): Don't use arm_sync_loop_insns.
3178         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3179         (movsfcc, movdfcc): Likewise.
3180         * config/arm/constraints.md (Ua): New.
3181         * config/arm/prediates.md (mem_noofs_operand): New.
3182         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3183         (sync_clobber, sync_t2_reqd): Remove.
3184         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3185         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3186         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3187         (arm_sync_compare_and_swap<SIDI>): Remove.
3188         (arm_sync_compare_and_swap<NARROW>): Remove.
3189         (arm_sync_lock_test_and_set<SIDI>): Remove.
3190         (arm_sync_lock_test_and_set<NARROW>): Remove.
3191         (arm_sync_new_<syncop><SIDI>): Remove.
3192         (arm_sync_new_<syncop><NARROW>): Remove.
3193         (arm_sync_new_nand<SIDI>): Remove.
3194         (arm_sync_new_nand<NARROW>): Remove.
3195         (arm_sync_old_<syncop><SIDI>): Remove.
3196         (arm_sync_old_<syncop><NARROW>): Remove.
3197         (arm_sync_old_nand<SIDI>): Remove.
3198         (arm_sync_old_nand<NARROW>): Remove.
3199         (*memory_barrier): Merge arm_output_memory_barrier.
3200         (atomic_compare_and_swap<QHSD>): New.
3201         (atomic_compare_and_swap<NARROW>_1): New.
3202         (atomic_compare_and_swap<SIDI>_1): New.
3203         (atomic_exchange<QHSD>): New.
3204         (cas_cmp_operand, cas_cmp_str): New.
3205         (atomic_op_operand, atomic_op_str): New.
3206         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3207         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3208         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3209         (arm_load_exclusive<NARROW>): New.
3210         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3211         (arm_store_exclusive<QHSD>): New.
3212
3213 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3214
3215         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3216         reload patterns if -mvsx-scalar-memory.
3217
3218         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3219         generated, even -mno-vsx-scalar-double was used.
3220         (vsx_xscvdpsp_scalar): Likewise.
3221         (vsx_xscvspdp_scalar2): Likewise.
3222
3223 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3224             Andrew Pinski  <apinski@cavium.com>
3225
3226         PR debug/51471
3227         * reorg.c (fill_slots_from_thread): Don't speculate
3228         frame-related insns.
3229
3230 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3231
3232         * sched-int.h (bb_note): Move to...
3233         * basic-block.h: ...here.
3234         * haifa-sched.c (bb_note): Move to...
3235         * cfgrtl.c: ...here.
3236         * function.c (next_block_for_reg): New function.
3237         (move_insn_for_shrink_wrap): Likewise.
3238         (prepare_shrink_wrap): Rewrite to use the above.
3239
3240 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3241
3242         * gimple.c (is_gimple_non_addressable): Remove.
3243         * gimple.h: Remove is_gimple_non_addressable.
3244         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3245         is_gimple_non_addressable.
3246         * trans-mem.c (expand_assign_tm): Same.
3247
3248 2012-01-09  Richard Guenther  <rguenther@suse.de>
3249
3250         PR tree-optimization/51775
3251         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3252         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3253
3254 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3255
3256         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3257         tuning parameters.
3258         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3259
3260 2012-01-09  Richard Guenther  <rguenther@suse.de>
3261
3262         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3263
3264 2012-01-08  Jan Hubicka  <jh@suse.cz>
3265
3266         PR tree-optimize/51680
3267         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3268         on when known_vals needs to be computed; cleanup.
3269
3270 2012-01-08  Jan Hubicka  <jh@suse.cz>
3271
3272         PR tree-optimize/51694
3273         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3274
3275 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3276
3277         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3278         for -std=c++98 and -std=c++11 too.
3279
3280 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3281
3282         * cfgloop.c (cancel_loop): Add free() of bbs array.
3283
3284 2012-01-07  Jan Hubicka  <jh@suse.cz>
3285
3286         PR tree-optimization/51600
3287         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3288         that benefits small functions.
3289
3290 2012-01-07  Jan Hubicka  <jh@suse.cz>
3291
3292         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3293
3294 2012-01-07  Jan Hubicka  <jh@suse.cz>
3295
3296         PR tree-optimization/51680
3297         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3298         whose inlining reduce unit size.
3299
3300 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3301
3302         PR bootstrap/51725
3303         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3304         Add canonical node to containing_mem chain after the non-canonical
3305         one, even if there weren't any locs to propagate.
3306         (remove_useless_values): Keep only canonical values.
3307         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3308         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3309         canonicalize mem_chain elements that are not discarded.
3310
3311 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3312
3313         PR target/47333
3314         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3315         before emitting functions.
3316
3317         PR gcov-profile/50127
3318         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3319         clear_aux_for_blocks.
3320
3321 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3322
3323         PR debug/51746
3324         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3325
3326 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3327
3328         * c-decl.c (ext_block): Moved up.
3329         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3330
3331 2012-01-06  Han Shen  <shenhan@google.com>
3332
3333         Translate built-in include paths for sysroot.
3334         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3335         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3336
3337         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3338         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3339
3340         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3341         control whether sysroot should be prepended to gxx include dir.
3342
3343         * configure: Regenerate.
3344
3345 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3346
3347         PR rtl-optimization/51771
3348         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3349         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3350
3351 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3352
3353         PR tree-optimization/51315
3354         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3355         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3356
3357 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3358
3359         PR target/51681
3360         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3361         for shrp pattern.  Correctly handle and fixup shift variable.
3362         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3363
3364 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3365
3366         PR debug/51762
3367         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3368         note when !ACCUMULATE_OUTGOING_ARGS.
3369
3370 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3371
3372         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3373         condition.
3374         (extract_range_from_unary_expr_1): Avoid useless computations.
3375
3376 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3377
3378         PR rtl-optimization/51767
3379         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3380         of jump_block and add an extra edge for degenerated asm gotos.
3381
3382         PR middle-end/51768
3383         * stmt.c (check_unique_operand_names): Don't ICE during error
3384         reporting if i is from labels chain.
3385
3386         PR middle-end/44777
3387         * profile.c (branch_prob): Split bbs that have exit edge
3388         and need a fake entry edge too.
3389
3390 2012-01-05  Jan Hubicka  <jh@suse.cz>
3391
3392         PR middle-end/49710
3393         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3394         unlooping loops.
3395
3396 2012-01-05  Richard Guenther  <rguenther@suse.de>
3397
3398         PR lto/50490
3399         * tree-streamer-out.c (write_ts_optimization): New function.
3400         (streamer_write_tree_body): Call it.
3401         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3402         (streamer_read_tree_body): Call it.
3403         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3404
3405 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3406
3407         PR middle-end/51761
3408         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3409         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3410         in_cleanup_point_expr before gimplify_stmt call and restore it
3411         afterwards.
3412         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3413         in_cleanup_point_expr is false.
3414
3415 2012-01-05  Richard Guenther  <rguenther@suse.de>
3416
3417         PR middle-end/51764
3418         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3419         to c.opt.
3420         * toplev.c (process_options): Reject combining mudflap and LTO.
3421         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3422
3423 2012-01-05  Richard Guenther  <rguenther@suse.de>
3424
3425         PR tree-optimization/51760
3426         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3427         not VARYING.
3428         (bit_value_unop): Handle UNDEFINED operands.
3429         (bit_value_binop): Likewise.
3430
3431 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3432
3433         * config/avr/avr.c (avr_replace_prefix): Remove.
3434         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3435         (avr_asm_function_rodata_section): Ditto.
3436         (avr_asm_select_section): Ditto.
3437
3438 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3439
3440         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3441         insertion.
3442
3443 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3444
3445         PR bootstrap/51648
3446         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3447         calls that have any non-fake successor edges.
3448
3449         PR debug/51746
3450         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3451
3452 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3453
3454         PR tree-optimization/51624
3455         * tree-sra.c (build_ref_for_model): When replicating a chain of
3456         COMPONENT_REFs, stop as soon as the offset would become negative.
3457
3458 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3459
3460         PR debug/51695
3461         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3462         in .debug_loc on the floor.
3463
3464 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3465
3466         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3467
3468 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3469             Adam Nemet  <anemet@caviumnetworks.com>
3470
3471         * config/mips/mips.md (size): Add SI and DI.
3472         (SIZE): New mode attribute.
3473         (U): New code attribute.
3474         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3475         (mips_lbux_<mode>): Delete.
3476         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3477         (mips_lhx): Use gen_mips_lhx_extsi.
3478         (mips_lhx_<mode>): Delete.
3479         (mips_lwx): Delete.
3480         (mips_l<size>x): New expand.
3481         (mips_lwx_<mode>): Delete.
3482         (mips_l<GPR:size>x_<P:mode>): New pattern.
3483         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3484         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3485         * config/mips/mips.c (mips_lx_address_p): New function.
3486         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3487         (dsp64): New availability predicate.
3488         (mips_builtins): Add an entry for __builtin_mips_ldx.
3489         * config/mips/mips.h (ISA_HAS_LBX): New define.
3490         (ISA_HAS_LBUX): Likewise.
3491         (ISA_HAS_LHX): Likewise.
3492         (ISA_HAS_LHUX): Likewise.
3493         (ISA_HAS_LWX): Likewise.
3494         (ISA_HAS_LWUX): Likewise.
3495         (ISA_HAS_LDX): Likewise.
3496         * doc/extend.texi (__builtin_mips_ldx): Document.
3497
3498 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3499
3500         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3501         when long pointers are used.
3502         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3503         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3504         (ia64-hp-*vms*): Remove.
3505         * config/vms/xm-vms64.h: Delete.
3506
3507 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3508
3509         PR middle-end/51472
3510         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3511
3512 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3513
3514         * opts.c (finish_options): Remove duplicate sorry.
3515
3516 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3517
3518         PR middle-end/51696
3519         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3520         correctly.
3521
3522 2012-01-04  Richard Guenther  <rguenther@suse.de>
3523
3524         PR middle-end/51750
3525         * tree.c (size_low_cst): New function.
3526         * tree.h (size_low_cst): Declare.
3527         * fold-const.c (fold_comparison): Use it to extract the low
3528         part of the POINTER_PLUS_EXPR offset.
3529
3530 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3531
3532         Fix clearing ZERO_REG
3533         * config/avr/avr.md (cc): Add alternative "ldi".
3534         (movqi_insn): Use it in cc attribute.
3535         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3536         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3537         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3538
3539 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3540
3541         * configure: Regenerate.
3542
3543 2012-01-04  Richard Guenther  <rguenther@suse.de>
3544
3545         PR tree-optimization/49651
3546         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3547         (var_can_have_subvars): Use it.
3548         (get_constraint_for_1): Only consider subfields if there can be any.
3549
3550 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3551
3552         PR bootstrap/51725
3553         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3554         to its new canonical_cselib_val and the cselib_val was in
3555         first_containing_mem chain, but the canonical_cselib_val was not,
3556         add the latter into the chain.
3557         (cselib_invalidate_mem): Compare canonical_cselib_val of
3558         addr_list chain elt with v.
3559
3560         PR pch/51722
3561         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3562         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3563         of xstrdup.
3564         (output_macinfo_op): Don't ggc_strdup fd->filename.
3565         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3566         then ggc_strdup it.  Don't free inc->info or cur->info.
3567         (output_macinfo): Don't free ref->info or file->info.
3568
3569 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3570
3571         PR tree-optimization/51269
3572         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3573         first_niters a pointer.
3574         (slpeel_tree_peel_loop_to_edge): Likewise.
3575         (vect_do_peeling_for_loop_bound): Update call to
3576         slpeel_tree_peel_loop_to_edge.
3577         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3578         here.  Remove it from the parameters list.
3579         (vect_do_peeling_for_alignment): Update calls and compute
3580         wide_prolog_niters.
3581
3582 2012-01-03  Richard Guenther  <rguenther@suse.de>
3583
3584         PR tree-optimization/51070
3585         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3586         Properly handle calls.
3587
3588 2012-01-03  Richard Guenther  <rguenther@suse.de>
3589
3590         PR tree-optimization/51692
3591         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3592         the LHS of allocation stmts.
3593
3594 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3595
3596         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3597
3598 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3599
3600         * collect2.c (main): In AIX specific computations for vector
3601         insertions, use CONST_CAST2 to cast from char ** to const char **.
3602
3603 2012-01-03  Richard Guenther  <rguenther@suse.de>
3604
3605         PR debug/51650
3606         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3607         the context of a limbo DIE when it does not already exist.
3608
3609 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3610
3611         PR tree-optimization/51719
3612         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3613         but direct call is, clear direct call's lhs and don't add fallthrough
3614         edge from dcall_bb to join_bb and PHIs.
3615
3616 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3617
3618         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3619         the instructions emitted by the pattern.
3620         ("*TDC_insn_<mode>"): Add comment.
3621
3622 2012-01-03  Richard Guenther  <rguenther@suse.de>
3623
3624         PR middle-end/51730
3625         * fold-const.c (fold_comparison): Properly canonicalize
3626         tree offset and HOST_WIDE_INT bit position.
3627
3628 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3629
3630         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3631         operands for extzv pattern.
3632
3633 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3634
3635         PR bootstrap/51725
3636         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3637         on mem_elt first.
3638
3639 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3640
3641         * doc/invoke.texi (-flto and related options): Copy-edit.
3642
3643 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3644
3645         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3646
3647 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3648
3649         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3650         New patterns.
3651
3652 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3653
3654         * expr.h (move_by_pieces_ninsns): Declare.
3655         * expr.c (move_by_pieces_ninsns): Make external.
3656         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3657         (mips_store_by_pieces_p): Likewise.
3658         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3659         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3660         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3661         (mips_store_by_pieces_p): Likewise.
3662
3663 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3664
3665         * passes.c (register_one_dump_file): Free full_name.
3666
3667         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3668         (calculate_elim_costs_all_insns): Free offsets_at and
3669         offsets_known_at at the end and clear the pointers.
3670
3671 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3672
3673         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3674         this option introduced in r180739.
3675
3676 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3677
3678         PR target/51345
3679         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3680         (tmake_file target=avr): Add avr/t-multilib.
3681
3682         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3683         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3684         * config/avr/genmultilib.awk: New file.
3685         * config/avr/t-multilib: New auto-generated file.
3686         * config/avr/multilib.h: New auto-generated file.
3687         * config/avr/t-avr (AVR_MCUS): New variable.
3688         (genopt.sh): Use it.
3689         (s-mlib): Depend on t-multilib.
3690         (t-multilib, multilib.h): New dependencies.
3691         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3692         (MULTILIB_OPTIONS): Remove.
3693         (MULTILIB_MATCHES): Remove.
3694         (MULTILIB_DIRNAMES): Remove.
3695         (MULTILIB_EXCEPTIONS): Remove:
3696         * config/avr/genopt.sh: Don't use hard coded file name;
3697         pass AVR_MCUS from t-avr instead.
3698
3699 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3700
3701         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3702
3703 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3704
3705         Implement light-weight DImode support.
3706         * config/avr/avr-dimode.md: New file.
3707         * config/avr/avr.md: Include it.
3708         (adjust_len): Add plus64, compare64.
3709         (HIDI): Remove code iterator.
3710         (code_stdname): New code attribute.
3711         (rotx, rotsmode): Remove DI.
3712         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3713         as code iterator.
3714         * config/avr/avr-protos.h (avr_have_dimode): New.
3715         (avr_out_plus64, avr_out_compare64): New.
3716         * config/avr/avr.c (avr_out_compare): Handle DImode.
3717         (avr_have_dimode): New variable definition and initialization.
3718         (avr_out_compare64, avr_out_plus64): New functions.
3719         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3720         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3721         (avr_compare_pattern): Skip DImode comparisons.
3722
3723 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3724
3725         * ddg.c (def_has_ccmode_p): New function.
3726         (add_cross_iteration_register_deps,
3727         create_ddg_dep_from_intra_loop_link): Call it.
3728
3729 2012-01-02  Richard Guenther  <rguenther@suse.de>
3730
3731         PR other/51679
3732         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3733
3734 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3735
3736         * gcc.c (process_command): Update copyright notice dates.
3737         * gcov.c (print_version): Likewise.
3738         * gcov-dump.c (print_version): Likewise.
3739         * mips-tfile.c (main): Likewise.
3740         * mips-tdump.c (main): Likewise.
3741
3742 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3743
3744         PR tree-optimization/51704
3745         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3746         a use is inside the basic block or loop before accessing its vect info.
3747
3748 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3749
3750         PR rtl-optimization/51069
3751         * cfgloopmanip.c (remove_path): Removing path making irreducible
3752         region unconditional makes BB part of the region.
3753
3754 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR tree-optimization/51683
3757         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3758         calls with side-effects.
3759         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3760 \f
3761 Copyright (C) 2012 Free Software Foundation, Inc.
3762
3763 Copying and distribution of this file, with or without modification,
3764 are permitted in any medium without royalty provided the copyright
3765 notice and this notice are preserved.