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