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1 2012-04-13  Richard Guenther  <rguenther@suse.de>
2
3         PR c/52862
4         * convert.c (convert_to_pointer): Remove special-casing of
5         zero.
6
7 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8
9         Backport from mainline
10         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
11
12         PR target/52775
13         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
14         the list of options to enable the FCFID instruction.
15         (TARGET_EXTRA_BUILTINS): Adjust comment.
16
17 2012-04-12  Richard Guenther  <rguenther@suse.de>
18
19         PR tree-optimization/52943
20         * tree-chrec.h (chrec_is_positive): Remove.
21         * tree-scalar-evolution.c (chrec_is_positive): Move ...
22         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
23         Return false for a constant zero instead of negative.
24         (analyze_siv_subscript_cst_affine): Handle zero difference
25         in the initial condition explicitely.
26
27 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
28
29         PR middle-end/52894
30         * varasm.c (process_pending_assemble_externals): Set
31         pending_assemble_externals_processed true.
32         (assemble_external): Call assemble_external_real if the pending
33         assemble externals have been processed.
34
35 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
36
37         PR target/52717
38         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
39         the DECL generated for the special GOT helper.
40
41 2012-04-06  Walter Lee  <walt@tilera.com>
42
43         Backport from mainline
44         2012-03-07  Walter Lee  <walt@tilera.com>
45
46         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
47         REG_CFA_* notes for the stack pointer.
48         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
49         EH_RETURN_STACKADJ_RTX.
50         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
51         generate REG_CFA_* notes for the stack pointer.
52         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
53         by EH_RETURN_STACKADJ_RTX.
54
55 2012-04-06  Matt Turner  <mattst88@gmail.com>
56
57         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
58
59 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
60
61         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
62         of the destination isn't also a FP_REGS register.
63
64 2012-04-03  Richard Guenther  <rguenther@suse.de>
65
66         Backport from mainline
67         2012-03-02  Richard Guenther  <rguenther@suse.de>
68
69         PR tree-optimization/52406
70         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
71         (struct indices): Add unconstrained_base member.
72         (struct dr_alias): Remove unused vops member.
73         (DR_UNCONSTRAINED_BASE): New define.
74         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
75         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
76         be an artificial access that covers the whole indexed object,
77         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
78         plain decl base-objects to their MEM_REF variant.
79         (dr_may_alias_p): When the base-object of either data reference
80         has unknown size use only points-to information.
81         (compute_affine_dependence): Make dumps easier to read and
82         more verbose.
83         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
84         DR_REF when looking for packed references.
85         (vect_supportable_dr_alignment): Likewise.
86
87 2012-04-03  Richard Guenther  <rguenther@suse.de>
88
89         Backport from mainline
90         2012-03-15  Richard Guenther  <rguenther@suse.de>
91
92         PR middle-end/52580
93         * tree-data-ref.c (subscript_dependence_tester_1): Check
94         all dimensions for non-conflicting access functions.
95
96 2012-04-03  Richard Guenther  <rguenther@suse.de>
97
98         Backport from mainline
99         2012-03-06  Richard Guenther  <rguenther@suse.de>
100
101         PR middle-end/52493
102         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
103
104         2012-03-23  Richard Guenther  <rguenther@suse.de>
105
106         PR tree-optimization/52678
107         * tree-vectorizer.h (struct _stmt_vec_info): Add
108         loop_phi_evolution_part member.
109         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
110         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
111         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
112         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
113         Use the cached evolution part and the PHI nodes value from
114         the loop preheader edge instead of re-analyzing the evolution.
115
116         2012-03-26  Richard Guenther  <rguenther@suse.de>
117
118         PR tree-optimization/52701
119         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
120         compute and set the evolution part of PHI nodes.
121
122         2012-03-30  Richard Guenther  <rguenther@suse.de>
123
124         PR tree-optimization/52754
125         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
126         propagate arbitrary addresses into really plain dereferences.
127
128 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
129
130         PR tree-optimization/52835
131         * tree-data-ref.c (build_rdg): Return NULL if
132         compute_data_dependences_for_loop failed.
133
134 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
135
136         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
137         (stmt_can_make_abnormal_goto): Use it.
138         (is_ctrl_altering_stmt): Likewise.
139
140 2012-03-31  Martin Jambor  <mjambor@suse.cz>
141
142         Backported from mainline
143         2012-03-30  Martin Jambor  <mjambor@suse.cz>
144
145         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
146         is a builtin_stack_save in a dominating BB.
147
148 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
149
150         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
151         crossing 128bit lane boundary.
152
153 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
154
155         Backported from mainline
156         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
157
158         PR target/52698
159         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
160         New prototype.
161         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
162         * config/i386/i386.c: Include reload.h.
163         (ix86_legitimize_reload_address): New function.
164
165 2012-03-28  Martin Jambor  <mjambor@suse.cz>
166
167         Backported from mainline
168         2012-03-27  Martin Jambor  <mjambor@suse.cz>
169
170         PR middle-end/52693
171         * tree-sra.c (sra_modify_assign): Do not call
172         load_assign_lhs_subreplacements when working with an unscalarizable
173         region.
174
175 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
176
177         PR middle-end/52691
178         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
179         __builtin_va_start to __builtin_next_arg if the latter is
180         builtin_decl_explicit_p rather than when it is not.
181
182         PR middle-end/52750
183         * tree-vect-generic.c (vector_element): Perform multiplication
184         for pos in bitsizetype type instead of idx type.
185
186 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
187
188         Backport from 2012-03-28 mainline r185910.
189
190         PR target/52692
191         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
192         (avr_builtin_decl): New static function.
193         (struct avr_builtin_description, avr_bdesc): Move up.
194         Add GTY marker. Add field fndecl. Remove redundant field id.
195         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
196         (avr_expand_builtin): Code cleanup because .id is removed.
197
198 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
199
200         PR middle-end/51893
201         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
202         targets.
203
204 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
205
206         Backport from 2012-03-28 mainline r185907.
207
208         PR target/52737
209         * config.gcc (tm_file): Remove avr/multilib.h.
210
211         * doc/invoke.texi (AVR Options): Adjust
212         documentation of -mtiny-stack.
213
214         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
215         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
216         * config/avr/t-avr: Remove generation of multilib.h.
217         * config/avr/t-multilib: Regenerate.
218         * config/avr/multilib.h: Remove.
219         * config/avr/avr.opt (-msp8): New option.
220         (avr_sp8): New variable.
221         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
222         * config/avr/avr.h (AVR_HAVE_SPH): New define.
223         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
224         (avr_device_to_sp8): New prototype.
225         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
226         (DRIVER_SELF_SPECS): New define.
227         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
228         __AVR_SP8__, __AVR_HAVE_SPH__.
229         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
230         AVR_HAVE_8BIT_SP to decide if SP_H is present.
231         (avr_file_start): Ditto.
232
233 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
234
235         PR target/52736
236         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
237         instead of 8 in adjust_address.
238
239 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
240
241         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
242         of a unit before computing the offset in units.
243
244 2012-03-27  Richard Guenther  <rguenther@suse.de>
245
246         PR middle-end/52720
247         * fold-const.c (try_move_mult_to_index): Handle &x.array more
248         explicitely.
249
250 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
251
252         PR target/52610
253         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
254
255 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
256
257         PR middle-end/52640
258         * varasm.c: Include pointer-set.h.
259         (pending_assemble_externals_set): New pointer set.
260         (process_pending_assemble_externals): Destroy the pointer set.
261         (assemble_external): See if decl is in pending_assemble_externals_set,
262         and add it to pending_assemble_externals if necessary.
263         (init_varasm_once): Allocate pending_assemble_externals_set.
264
265 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
266
267         Backported from mainline
268         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
269
270         PR target/50310
271         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
272         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
273         (vector_ltgt<mode>): Likewise.
274         (vector_ordered<mode>): Likewise.
275         (vector_unordered<mode>): Likewise.
276         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
277
278 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
279
280         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
281         Make static.
282
283 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
284
285         Backported from mainline
286         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
287
288         PR target/48596
289         PR target/48806
290         * config/sh/sh.c (sh_register_move_cost): Increase cost between
291         GENERAL_REGS and FP_REGS for SImode.
292
293 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
294
295         PR middle-end/52547
296         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
297         on any new_local_var_chain vars declared during recursing on
298         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
299
300 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
301
302         Backport from 2012-03-22 mainline r185692.
303
304         PR target/52496
305         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
306         (unspecv): Add UNSPECV_MEMORY_BARRIER.
307         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
308         (delay_cycles_1, delay_cycles_2): Ditto.
309         (delay_cycles_3, delay_cycles_4): Ditto.
310         (nopv, *nopv): Ditto.
311         (sleep, *sleep): Ditto.
312         (wdr, *wdr): Ditto.
313
314         Backport from 2012-03-21 mainline r185605.
315
316         PR rtl-optimization/52543
317         PR target/52461
318         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
319         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
320         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
321         (avr_load_libgcc_p): Restrict to __flash loads.
322         (avr_out_lpm): Only handle 1-byte loads from __flash.
323         (avr_load_lpm): New function.
324         (avr_find_unused_d_reg): Remove.
325         (avr_out_lpm_no_lpmx): Remove.
326         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
327         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
328         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
329         (load_<mode>, load_<mode>_clobber): New insns.
330         (mov<mode>): For multi-byte move from non-generic
331         16-bit address spaces: Expand to load_<mode> resp.
332         load_<mode>_clobber.
333         (load<mode>_libgcc): Remove expander.
334         (split-lpmx): Remove split.
335
336         Backport from 2012-03-13 mainline r185329.
337
338         PR target/52488
339         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
340         offset (size) to a value the insns can deal with.
341         (expand_epilogue): Ditto.
342
343         Backport from 2012-03-12 mainline r185256.
344
345         PR target/52499
346         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
347         type from reg_class_t to enum reg_class.
348         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
349
350         Backport from 2012-03-12 mainline r185253.
351
352         PR target/52148
353         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
354         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
355         r184615 from 2012-02-28.
356
357         Backport from 2012-03-08 mainline r185105.
358
359         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
360         for constants in [-63,63].
361
362         Backport from 2012-03-08 mainline r185100.
363
364         PR target/52496
365         * config/avr/avr.c (avr_mem_clobber): New static function.
366         (avr_expand_delay_cycles): Add memory clobber operand to
367         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
368         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
369         (enable_interrupt, disable_interrupt): New expander.
370         (nopv, sleep, wdr): New expanders.
371         (delay_cycles_1): Add memory clobber.
372         (delay_cycles_2): Add memory clobber.
373         (delay_cycles_3): Add memory clobber.
374         (delay_cycles_4): Add memory clobber.
375         (cli_sei): New insn from former "enable_interrupt",
376         "disable_interrupt" with memory clobber.
377         (*wdt): New insn from former "wdt" with memory clobber.
378         (*nopv): Similar, but for "nopv".
379         (*sleep): Similar, but for "sleep".
380
381         Backport from 2012-03-07 mainline r185043.
382
383         PR target/52484
384         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
385
386         Backport from 2012-03-07 mainline r185032.
387
388         PR target/52506
389         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
390         to: RAMPZ, RAMPY, RAMPX, RAMPD.
391         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
392
393         Backport from 2012-03-07 mainline r185031.
394
395         PR target/52505
396         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
397         from RAM.
398         * config/avr/avr.md (xload_8): Adjust insn length.
399
400         Backport from 2012-03-07 mainline r185030.
401
402         PR target/52461
403         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
404         if RAMPZ affects reading from RAM.
405
406         Backport from 2012-03-05 mainline r184919.
407
408         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
409
410 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
411
412         Backport from mainline r185259.
413
414         PR other/52545
415         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
416         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
417
418 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
419
420         Backported from mainline
421         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
422
423         PR c/52577
424         * c-parser.c (c_parser_postfix_expression)
425         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
426
427         * config/i386/smmintrin.h: Avoid /* within a comment.
428         * config/i386/nmmintrin.h: Likewise.
429
430 2012-03-22  Richard Guenther  <rguenther@suse.de>
431
432         * BASE-VER: Set to 4.7.1.
433         * DEV-PHASE: Set to prerelease.
434
435 2012-03-22  Release Manager
436
437         * GCC 4.7.0 released.
438
439 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
440
441         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
442
443 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
444             Andrew Pinski  <apinski@cavium.com>
445
446         PR middle-end/52592
447         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
448         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
449         calls instead of __builtin_ir{int,ound}*.
450
451 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
452
453         PR c++/52582
454         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
455         if c_node is NULL.
456
457 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
458
459         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
460         Refer to GCC 4.7 version of c99status.html.
461
462 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
463
464         Backport from mainline
465         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
466
467         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
468         redefine to be NULL if the current bit-size is different from the
469         configured bit-size.
470
471         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
472         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
473         set the default tuning.  Add asserts to make sure the cpu and tune
474         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
475         test whether the index is set, instead of > 0.
476         (rs6000_file_start): Do not reset the default cpu if the current
477         bit-size is different from the configured bit-size.
478
479 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
480
481         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
482         binutils reference.
483         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
484         Update binutils references.
485         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
486         Update binutils reference.
487         Update Sun as/GNU ld caveat.
488         Document binutils largefile requirement for LTO plugin.
489         Remove reference to alternate libpthread.
490
491 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
492
493         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
494         reference.
495         (Specific, mips-sgi-irix6): Likewise.
496
497 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
498
499         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
500         * configure: Regenerate.
501
502 2012-03-07  Richard Henderson  <rth@redhat.com>
503
504         * config/m68k/m68k.h (ISA_HAS_TAS): New.
505         * config/m68k/sync.md (atomic_test_and_set): Use it.
506         (atomic_test_and_set_1): Likewise.
507
508 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
509
510         PR target/51417
511         * Makefile.in: Let install-gcc-ar depend on installdirs,
512         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
513         Don't double canonicalize if cross-compiling.
514
515 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
516
517         * trans-mem.c: New typedef for tm_region_p.
518         Define vector types for tm_region_p.
519         (tm_region_init): Replace region_worklist to a vector called
520         bb_regions.
521
522 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
523
524         PR middle-end/52463
525         * trans-mem.c (tm_region_init): Use last_basic_block.
526
527 2012-03-05  Richard Henderson  <rth@redhat.com>
528
529         PR tree-opt/52242
530         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
531         * omp-low.c (expand_omp_atomic): Assume anything aligned to
532         BIGGEST_ALIGNMENT is aligned.
533
534 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
535
536         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
537
538 2012-03-05  Richard Henderson  <rth@redhat.com>
539
540         PR target/52481
541         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
542         instead of calling negqi2 directly.
543
544 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
545
546         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
547         (INTMAX_TYPE): Use it.
548         (UINTMAX_TYPE): Likewise.
549         (SUBTARGET_OVERRIDE_OPTIONS): Define.
550         (irix6_c_common_override_options): Declare.
551         (C_COMMON_OVERRIDE_OPTIONS): Define.
552         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
553         * config/mips/irix6-c.c: New file.
554         * config/mips/t-irix6 (irix6-c.o): New target.
555         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
556         cxx_target_objs.
557
558 2012-03-02  Richard Henderson  <rth@redhat.com>
559
560         * optabs.c (expand_atomic_test_and_set): Honor
561         atomic_test_and_set_trueval even when atomic_test_and_set
562         optab is not in use.
563
564 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
565
566         Backport from mainline
567         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
568
569         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
570
571 2012-03-02  Richard Guenther  <rguenther@suse.de>
572
573         * DEV-PHASE: Set to prerelease.
574
575 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
576
577         * config.gcc (obsolete): Add all ARM targets using the FPA.
578         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
579         * doc/install.texi: Avoid references to obsolete ARM ports.
580
581 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
582
583         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
584
585 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
586             Joern Rennecke  <joern.rennecke@embecosm.com>
587
588         * doc/extend.texi: Expand and update information on interrupt
589         attribute for Epiphany.
590
591 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
592
593         * config/sh/sh-protos.h: Update copyright notice dates.
594         * config/sh/sh.h: Likewise.
595         * config/sh/sh.md: Likewise.
596         * config/sh/constraints.md: Likewise.
597         * config/sh/predicates.md: Likewise.
598
599 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
600
601         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
602         * config/sh/sh.c (tertiary_reload_operand): Likewise.
603
604 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
605
606         * config/sh/constraints.md: Fix comment typo.
607
608 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
609
610         PR target/52408
611         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
612         unsigned HOST_WIDE_INT.
613         (zvdep_imm64): Likewise.
614         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
615         (vdepi_and): Likewise.
616         Likewise for unamed 64-bit patterns.
617         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
618
619 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
620
621         PR debug/52001
622         PR rtl-optimization/52417
623         * cselib.c (cselib_any_perm_equivs): New variable.
624         (cselib_reset_table): Check that it's not set when not
625         preserving constants.
626         (cselib_add_permanent_equiv): Set it.
627         (cselib_have_permanent_equivalences): New.
628         (cselib_init, cselib_finish): Reset it.
629         * cselib.h (cselib_have_permanent_equivalences): Declare.
630         * alias.c (get_addr): Restore earlier behavior when there
631         aren't permanent equivalences.
632
633 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
634
635         * config/mn10300/mn10300-modes.def: Fix copyright notice.
636         * config/v850/v850-modes.def: Fix copyright notice.
637
638 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
639
640         * doc/extend.texi (AVR Built-in Functions): Document
641         __builtin_avr_flash_segment.
642
643         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
644         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
645         (*split.flash_segment): New insn-and-split.
646         * config/avr/avr.c (avr_init_builtins): Add local variables:
647         const_memx_void_node, const_memx_ptr_type_node,
648         char_ftype_const_memx_ptr.
649
650 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
651
652         PR tree-optimization/52445
653         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
654         add ssa_name_ver, offset and size fields and change store field
655         to bool.
656         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
657         (add_or_mark_expr): Likewise.  Only consider previous stores
658         with the same size and offset.
659         (nt_init_block): Only look at gimple_assign_single_p stmts,
660         doesn't look at rhs2.
661
662 2012-03-01  Richard Guenther  <rguenther@suse.de>
663
664         PR middle-end/52443
665         * tree-cfg.c (verify_gimple_assign_unary): Allow any
666         conversions from integral types to pointer types.
667
668 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
669
670         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
671         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
672         unintentionally removed in r184616.
673
674 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
675
676         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
677         3DNow from bdver1.
678
679 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
680             Uros Bizjak  <ubizjak@gmail.com>
681
682         PR target/52437
683         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
684         alternatives, add "e" constraint to the new last alternative
685         and ! to last 3 alternatives.
686
687 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
688
689         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
690         DW_AT_artificial attributes at the end of the processing.
691         (gen_array_type_die): Likewise.
692         (gen_enumeration_type_die): Likewise.
693         (gen_struct_or_union_type_die): Likewise.
694         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
695         the parent type.
696
697 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
698
699         PR middle-end/52419
700         * expr.c (expand_assignment): If doing misaligned store that doesn't
701         cover all mode bits, perform a RMW cycle.
702
703         PR tree-optimization/52429
704         * tree-parloops.c (separate_decls_in_region_debug): Return early
705         if var is LABEL_DECL.
706
707 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
708
709         PR tree-optimization/52424
710         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
711         calling dom_thread_across_edge.
712
713 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
714
715         * config/avr/avr.c: Move definition of TARGET macros to end of file.
716
717 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
718
719         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
720         * config/avr/avr.c (avr_output_bld): Remove unused function.
721         (avr_out_sbxx_branch): Use "%T" to print bit position.
722
723 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
724
725         * config/avr/avr.md: Untabify.
726
727 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
728
729         * config/avr/avr.md (eqne): New code iterator.
730         (*dec-and-branchsi): Use it in text peephole's condition.
731         (*dec-and-branchhi): Ditto.
732         (*dec-and-branchqi): Ditto.
733
734 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
735
736         PR target/49939
737         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
738         the device does not have the skip-bug.
739
740 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
741
742         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
743         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
744         -mpretend-cmove): New.
745
746 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
747
748         PR bootstrap/52397
749         * df.h (struct df_d): Adjust comment that hard_regs_live_count
750         doesn't count DEBUG_INSN refs.
751         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
752         for DEBUG_INSN refs.
753
754 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
755
756         Partially revert:
757
758         2012-02-20  Richard Guenther  <rguenther@suse.de>
759         PR tree-optimization/52298
760         * tree-vect-stmts.c (vectorizable_load): Properly use
761         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
762         outer loops.
763
764 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
765
766         PR middle-end/51752
767         * gimple.h (gimple_in_transaction): New.
768         (gimple_set_in_transaction): New.
769         (struct gimple_statement_base): Add in_transaction field.
770         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
771         transaction loads.
772         (tree_ssa_lim_initialize): Compute transaction bits.
773         * tree.h (compute_transaction_bits): Protoize.
774         * trans-mem.c (tm_region_init): Use the heap to store BB
775         auxilliary data.
776         (compute_transaction_bits): New.
777
778 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
779
780         * gcc.c (display_help): Document --help=common and sort entries
781         alphabetically.
782
783 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
784
785         * doc/install.texi: Document check-$LANG specific shortcuts
786
787 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
788
789         PR target/51534
790         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
791         and vcgtu.
792         * config/arm/arm_neon.h: Regenerate.
793         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
794         (neon_vcgeu): New insn.
795         (neon_vcgtu): Likewise.
796         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
797         (ops): Unsigned comparison intrinsics call a different
798         builtin.
799
800 2012-02-28  Richard Guenther  <rguenther@suse.de>
801
802         PR target/52407
803         * config/i386/i386.c (ix86_expand_vector_set): Fix element
804         ordering for the VEC_CONCAT for two element vectors for
805         V2SFmode, V2SImode and V2DImode.
806
807 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
808
809         PR target/49448
810         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
811         detecting big-endian triplets.
812
813 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
814
815         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
816         mode if there is no type information available.
817
818 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
819
820         PR tree-optimization/53207
821         * doc/invoke.texi: Document as experimental and relying on graphite.
822
823 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
824
825         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
826         of initializer to changes from r184614.
827
828 2012-02-28  Richard Guenther  <rguenther@suse.de>
829
830         PR tree-optimization/52395
831         * tree-sra.c (build_ref_for_offset): Also look at the base
832         TYPE_ALIGN when figuring out the alignment of the replacement.
833
834 2012-02-28  Richard Guenther  <rguenther@suse.de>
835
836         PR tree-optimization/52402
837         * ipa-prop.c (ipa_modify_call_arguments): Properly use
838         mis-aligned types when creating the accesses at the call site.
839
840 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
841
842         * config/avr/builtins.def: New file.
843         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
844         * config/avr/avr.c (enum avr_builtin_id): Use it.
845         (avr_init_builtins): Use it. And use avr_bdesc.
846         (bdesc_1arg): Remove.
847         (bdesc_2arg): Remove.
848         (bdesc_3arg): Remove.
849         (struct avr_builtin_description): Add field n_args.
850         (avr_bdesc): New static variable using builtins.def.
851         (avr_expand_builtin): Use it.
852         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
853         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
854         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
855
856 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
857
858         PR target/52148
859         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
860         match only one single hard register with respective hard reg rtx.
861         (movmemx_<mode>): Ditto.
862         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
863         insn anatomy of movmem[x]_<mode>.
864         (avr_out_movmem): Same for printing assembler and operand usage.
865
866 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
867
868         PR target/49868
869         PR target/52261
870         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
871         address spaces located outside of device flash.
872
873         * config/avr/avr.h (base_arch_s): Remove field n_segments.
874         (mcu_type_s): Add field n_flash.
875         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
876         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
877         (AVR_MCU): Add N_FLASH argument.
878         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
879         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
880         macro __FLASH<n> if that address space makes sense for the device.
881         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
882         outside of target flash.
883         (avr_asm_named_section): Ditto.
884         (avr_asm_select_section): Ditto.
885         (avr_addr_space_convert): Ditto.
886         (avr_emit_movmemhi): Ditto.
887         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
888         address space is outside of device flash.
889         (avr_insert_attributes): Ditto.
890         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
891         avr_current_arch->n_segments.
892
893 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
894
895         PR target/52352
896         * config/i386/i386.md (*movabs<mode>_1): Enable only for
897         TARGET_LP64.
898         (*movabs<mode>_2): Likewise.
899
900 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
901
902         PR target/52375
903         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
904         s_register_operand in the test instead of REG_P.  Don't call
905         gen_reg_rtx if it won't be used.
906
907         PR tree-optimization/52376
908         * ipa-split.c (split_function): Ignore CLOBBER stmts.
909
910 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
911
912         * ifcvt.c (noce_get_condition): Check condition variable is not
913         small_register_classes_for_mode_p before accepting.
914
915 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
916
917         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
918
919 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
920
921         Revert:
922         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
923         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
924         tuning parameters.
925         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
926
927 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
928
929         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
930
931 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
932
933         * config/sh/predicates.md: Remove blank lines.
934         * config/sh/sh.c: Fix typos in comments.
935         * config/sh/constraints.md: Likewise.
936         * config/sh/sh.md: Remove blank lines.
937         Fix typos in comments.  Use ;; as comment characters.
938
939 2012-02-26  Walter Lee  <walt@tilera.com>
940
941         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
942         (replace_mov_pcrel_step2): Ditto.
943
944 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
945
946         PR debug/52001
947         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
948         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
949         and locs that reference values newer than the non-canonical value
950         at hand.  Return the canonical value as a worst case.
951         (memrefs_conflict_p): Walk canonical value's locs.
952
953         PR debug/52001
954         * cselib.c (preserve_only_constants): Rename to...
955         (preserve_constants_and_equivs): ... this.  Split out...
956         (invariant_or_equiv_p): ... this.  Preserve plus expressions
957         of other preserved expressions too.
958         (cselib_reset_table): Adjust.
959         * var-tracking.c (reverse_op): Use canonical value to build
960         reverse operation.
961
962 2012-02-23  Kai Tietz  <ktietz@redhat.com>
963
964         * config/i386/i386.c (ix86_delegitimize_address): Handle
965         UNSPEC_PCREL plus displacement.
966
967 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
968
969         PR target/52261
970         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
971         to test for unusedness in st X addressing.
972
973 2012-02-24  Richard Guenther  <rguenther@suse.de>
974
975         PR middle-end/52361
976         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
977         (is_gimple_reg_type): Move inline ...
978         * gimple.h (is_gimple_reg_type): ... here.
979
980 2012-02-24  Richard Guenther  <rguenther@suse.de>
981
982         PR middle-end/52361
983         * passes.c (execute_function_todo): When verifying SSA form
984         verify gimple form first.
985         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
986
987 2012-02-24  Richard Guenther  <rguenther@suse.de>
988
989         PR middle-end/52355
990         * fold-const.c (fold_addr_of_array_ref_difference): New function.
991         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
992
993 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
994
995         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
996
997 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
998
999         * tree-phinodes.c (make_phi_node): Mark static.
1000         * tree-flow.h (make_phi_node): Remove extern decl.
1001         * doc/gimple.texi (make_phi_node): Remove documentation.
1002
1003 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1004
1005         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1006         * tree-ssa-sccvn.c (print_scc): Ditto.
1007
1008 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1009
1010         * doc/passes.texi (Full redundancy elimination): Fix typo.
1011
1012 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1013
1014         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1015
1016 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1017
1018         PR bootstrap/52287
1019         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1020
1021 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1022
1023         PR c/52290
1024         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1025
1026 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1027
1028         * config/avr/avr.md (code_stdname): Add ior, xor.
1029         (xior): New code iterator.
1030         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1031         (*<code_stdname><mode>qi.byte1-3): Ditto.
1032
1033 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR tree-optimization/52019
1036         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1037         CLOBBER stmts.
1038
1039 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1040
1041         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1042         HAVE_INITFINI_ARRAY to work around namespace pollution in
1043         certain versions of newlib system headers.
1044         * config.in: Regenerate.
1045         * configure: Regenerate.
1046         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1047         instead of HAVE_INITFINI_ARRAY.
1048
1049 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1050
1051         PR target/52330
1052         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1053         is not offsettable memory reference.
1054
1055 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1056
1057         PR target/18145
1058         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1059         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1060
1061 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1062
1063         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1064         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1065
1066 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1067
1068         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1069         library on Solaris 8 even without TLS support.
1070         * configure: Regenerate.
1071
1072 2012-02-22  Richard Guenther  <rguenther@suse.de>
1073
1074         PR middle-end/52329
1075         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1076         for GIMPLE_DEBUG stmts.
1077
1078 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1079
1080         PR middle-end/51782
1081         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1082         according to the base object.
1083
1084 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1085
1086         PR rtl-optimization/50063
1087         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1088         and 2 (8-bit SP) in operand 2.
1089         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1090         setup to use movhi_sp_r instead of vanilla move to write SP.
1091         Adjust REG_CFA notes to superseed unspec.
1092         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1093         of vanilla move.
1094         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1095         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1096         irq_state 1 (IRQ known to be on) here.
1097
1098 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1099
1100         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1101         WORDS_BIG_ENDIAN.
1102         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1103         assign_hard_reg): Likewise.
1104
1105 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1106
1107         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1108
1109 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1110
1111         * config/avr/avr.md
1112         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1113         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1114
1115 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1116
1117         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1118         prototype from here to...
1119         * config/avr/avr.h: ...here.
1120
1121 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1122
1123         PR target/52294
1124         * thumb2.md (thumb2_shiftsi3_short): Split register and
1125         immediate shifts.  For register shifts tie operands 0 and 1.
1126         (peephole2 for above): Check that register-controlled shifts
1127         have suitably tied operands.
1128
1129 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1130
1131         PR target/52137
1132         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1133         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1134         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1135         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1136         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1137         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1138         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1139         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1140         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1141         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1142         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1143         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1144         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1145         bdver1_ssevector_avx256_unaligned_load,
1146         bdver1_ssevector_sse128_unaligned_load,
1147         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1148         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1149         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1150         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1151         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1152         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1153         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1154         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1155         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1156         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1157         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1158         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1159         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1160         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1161         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1162         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1163         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1164         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1165         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1166         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1167         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1168         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1169         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1170         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1171         bdver1_ssediv_double_load, bdver1_ssediv_double,
1172         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1173         Add "bdver2" attribute.
1174
1175 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1176
1177         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1178         default if possible and not specified otherwise.
1179
1180 2012-02-21  Richard Guenther  <rguenther@suse.de>
1181
1182         PR middle-end/52314
1183         * gimplify.c (create_tmp_from_val): Use the main variant type
1184         for the type of the temporary we create.
1185
1186 2012-02-21  Richard Guenther  <rguenther@suse.de>
1187
1188         PR tree-optimization/52324
1189         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1190         do not gimplify a MEM_REF address operand if it is already
1191         in suitable form.
1192
1193 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1194
1195         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1196         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1197
1198 2012-02-21  Richard Guenther  <rguenther@suse.de>
1199
1200         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1201         nested_in_vect_loop.
1202
1203 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1204
1205         PR tree-optimization/52318
1206         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1207         vdef also to non-pure/const call stmts in the sequence.
1208
1209 2012-02-20  David S. Miller  <davem@davemloft.net>
1210
1211         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1212         don't use the "rd %pc" instruction on v9 for PIC register loads.
1213
1214 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1215
1216         PR middle-end/52141
1217         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1218         in a transaction safe function.
1219
1220 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1221
1222         PR target/52238
1223         * stor-layout.c (place_field): Handle desired_align for
1224         ms-bitfields, too.
1225
1226 2012-02-20  Richard Guenther  <rguenther@suse.de>
1227
1228         PR tree-optimization/52298
1229         * tree-vect-stmts.c (vectorizable_store): Properly use
1230         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1231         outer loops.
1232         (vectorizable_load): Likewise.
1233         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1234         Access DR_STEP after ensuring it is not NULL.
1235
1236 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1237
1238         PR tree-optimization/52286
1239         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1240         optimization use double_int_to_tree instead of build_int_cst_wide,
1241         rewrite to use double_int vars.
1242
1243 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1244
1245         PR target/50166
1246         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1247         Define _start.
1248         Remove -e 0 from $gcc_cv_ld invocation.
1249         Only use __GLIBC_PREREQ if defined.
1250         Enable on Solaris since Solaris 8 patch.
1251         (gcc_SUN_LD_VERSION): New macro.
1252         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1253         gcc_SUN_LD_VERSION for version number format.
1254         * configure: Regenerate.
1255         * varasm.c (get_elf_initfini_array_priority_section): Set
1256         SECTION_NOTYPE for non-default priority.
1257         Use get_section instead of get_unnamed_section to emit
1258         .init_array/.fini_array with default priority.
1259
1260 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1261
1262         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1263         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1264         (mips_start_unique_function, mips_output_mips16_rdhwr)
1265         (mips_code_end): New functions.
1266         (TARGET_ASM_CODE_END): Define.
1267
1268 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1269
1270         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1271         to stubs with non-sibling calls.
1272
1273 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1274
1275         * doc/invoke.texi (-fira-* options): Copy-edit.
1276         (ira-* parameters): Copy-edit.
1277
1278 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1279
1280         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1281         GCC coding conventions.
1282
1283 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1284
1285         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1286         when used as adjectives.
1287
1288 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1289
1290         * doc/invoke.texi: Clean up "that"/"which" confusion.
1291
1292 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1293
1294         * system.h: Poison SMALL_REGISTER_CLASSES
1295         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1296         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1297
1298 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1299
1300         PR tree-optimization/52285
1301         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1302         when deciding if a call is a tail call or tail recursion.
1303
1304 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1305
1306         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1307         interger-constant displacement for UNSPEC_PCREL.
1308
1309 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1310
1311         PR rtl-optimization/52208
1312         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1313         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1314
1315         PR tree-optimization/52255
1316         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1317         loop->header has virtual PHI, but exit_e->dest doesn't, add
1318         virtual PHI to exit_e->dest and adjust all uses after the loop.
1319
1320         PR debug/52260
1321         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1322         children with clone_tree_hash, not after it.
1323
1324 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1325
1326         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1327         extended identifiers.
1328
1329 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1330
1331         PR middle-end/51929
1332         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1333         a same_body_alias, also test whether e->callee isn't a former
1334         or current clone of the decl this is a same body alias of.
1335
1336         PR translation/52264
1337         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1338
1339 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1340
1341         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1342
1343 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1344
1345         PR target/52199
1346         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1347         force_reg instead of copy_to_reg for better optimization.  Force
1348         non-register or memory operands into a register.
1349
1350 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1351
1352         * extend.texi: Reserve upper bits of memory model for future use.
1353
1354 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1355             Anatoly Sokolov <aesok@post.ru>
1356             Eric Weddington <eric.weddington@atmel.com>
1357
1358         PR target/52261
1359         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1360         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1361         Rewrite initializers for .macro.
1362         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1363         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1364         atxmega32d4, atxmega32x1.
1365         avrxmega4: atxmega64a3, atxmega64d3.
1366         avrxmega5: atxmega64a1, atxmega64a1u.
1367         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1368         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1369         avrxmega7: atxmega128a1, atxmega128a1u.
1370         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1371         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1372         (struct base_arch_s): Rename reserved to xmega_p.
1373         Rename reserved2 to have_rampd.
1374         (AVR_XMEGA): New define.
1375         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1376         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1377         * config/avr/predicates.md (io_address_operand): Take into
1378         account SFR offset.
1379         (low_io_address_operand): Ditto.
1380         (high_io_address_operand): Ditto.
1381         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1382         (enabled, movhi_sp_r): Use them.
1383         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1384         cpp_define_formatted to built-in define __AVR_ARCH__.
1385         (__AVR_XMEGA__): New built-in define.
1386         (__AVR_HAVE_RAMPD__): New built-in define.
1387         (__AVR_HAVE_RAMPX__): New built-in define.
1388         (__AVR_HAVE_RAMPY__): New built-in define.
1389         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1390
1391         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1392         (avr_option_override): Initialize them.
1393         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1394         (avr_init_expanders): Initialize them. No more block several calls.
1395         (emit_push_sfr): New static function.
1396         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1397         Handle AVR_XMEGA.
1398         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1399         (avr_print_operand): Print addreeses as symbols for
1400         RAMPX, RAMPY, RAMPD, CCP.
1401         (output_movhi): Handle AVR_XMEGA when writing to SP.
1402         (avr_out_movhi_mr_r_xmega): New static function.
1403         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1404         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1405         __RAMPD__,  __CCP__ as needed.
1406
1407         * config/avr/multilib.h: Regenerate.
1408         * config/avr/t-multilib: Regenerate.
1409         * config/avr/avr-tables.opt: Regenerate.
1410
1411 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1412
1413         PR tree-optimization/50561
1414         * graphite-flattening.c (lst_project_loop): Do not
1415         remove old scattering dimensions after flattening.
1416         (lst_do_flatten): Likewise.
1417
1418 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1419
1420         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1421         __builtin_avr_map8, __builtin_avr_map16.
1422         Document __builtin_avr_insert_bits.
1423
1424         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1425         (insert_bits): New insn.
1426         (adjust_len.map_bits): Rename to insert_bits.
1427         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1428         * avr-protos.h (avr_out_map_bits): Remove.
1429         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1430         * config/avr/constraints.md (Cxf,C0f): New.
1431         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1432         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1433         New built-in define __BUILTIN_AVR_INSERT_BITS.
1434         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1435         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1436         (avr_move_bits): Rewrite.
1437         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1438         functions.
1439         (avr_map_op_t): New typedef.
1440         (avr_map_op): New static variable.
1441         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1442         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1443         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1444         (bdesc_3arg, avr_expand_triop_builtin): New.
1445         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1446         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1447         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1448         (avr_map_equal_p, avr_map_sig_p): Remove.
1449         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1450         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1451         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1452         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1453         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1454         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1455
1456 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1457
1458         * config/c6x/c6x.md (reserve_cycles): New attribute.
1459         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1460         don't reserve functional units after the branch occurs.
1461
1462 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1463
1464         PR middle-end/52142
1465         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1466         functions into non-tm_pure functions.
1467
1468 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1469
1470         PR lto/52178
1471         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1472         (iterative_hash_canonical_type): Likewise.
1473         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1474         the dead edges.
1475
1476 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1477
1478         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1479         sched-group insn, it either remains alone or the entire list is pruned.
1480
1481 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1482
1483         * doc/install.texi (Prerequisites): Fix grammar.
1484         (Configuration): Likewise.
1485
1486 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1487
1488         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1489         MPC as part of GCC before describing configuring with --with-gmp etc.
1490         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1491         sources are present.
1492
1493 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1494
1495         PR debug/51950
1496         * dwarf2out.c (clone_tree_hash): New function.
1497         (copy_decls_walk): Use it instead of clone_tree.
1498
1499 2012-02-14  Richard Guenther  <rguenther@suse.de>
1500
1501         PR tree-optimization/52244
1502         PR tree-optimization/51528
1503         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1504         replacements for integral types.
1505
1506 2012-02-14  Walter Lee  <walt@tilera.com>
1507
1508         * config.gcc: Handle tilegx and tilepro.
1509         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1510         tilegx and tilepro.
1511         Add HAVE_AS_TLS check for tilegx and tilepro.
1512         * configure: Regenerate.
1513         * doc/contrib.texi: Add Mat Hostetter and self.
1514         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1515         Document instruction intrinsics and network accessing intrinsics.
1516         (TILEPro Built-in Functions): New node.  Document instruction
1517         intrinsics and network accessing intrinsics.
1518         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1519         (Specific, tilepro-*-linux*): Likewise.
1520         * doc/invoke.texi (TILE-Gx Options): New section.
1521         (TILEPro Options): New section.
1522         * doc/md.texi (TILE-Gx): New section.
1523         (TILEPro): New section.
1524         * common/config/tilegx/tilegx-common.c: New file.
1525         * common/config/tilepro/tilepro-common.c: New file.
1526         * config/tilegx/constraints.md: New file.
1527         * config/tilegx/linux.h: New file.
1528         * config/tilegx/mul-tables.c: New file.
1529         * config/tilegx/predicates.md: New file.
1530         * config/tilegx/sync.md: New file.
1531         * config/tilegx/t-tilegx: New file.
1532         * config/tilegx/tilegx-builtins.h: New file.
1533         * config/tilegx/tilegx-c.c: New file.
1534         * config/tilegx/tilegx-generic.md: New file.
1535         * config/tilegx/tilegx-modes.def: New file.
1536         * config/tilegx/tilegx-multiply.h: New file.
1537         * config/tilegx/tilegx-protos.h: New file.
1538         * config/tilegx/tilegx.c: New file.
1539         * config/tilegx/tilegx.h: New file.
1540         * config/tilegx/tilegx.md: New file.
1541         * config/tilegx/tilegx.opt: New file.
1542         * config/tilepro/constraints.md: New file.
1543         * config/tilepro/gen-mul-tables.cc: New file.
1544         * config/tilepro/linux.h: New file.
1545         * config/tilepro/mul-tables.c: New file.
1546         * config/tilepro/predicates.md: New file.
1547         * config/tilepro/t-tilepro: New file.
1548         * config/tilepro/tilepro-builtins.h: New file.
1549         * config/tilepro/tilepro-c.c: New file.
1550         * config/tilepro/tilepro-generic.md: New file.
1551         * config/tilepro/tilepro-modes.def: New file.
1552         * config/tilepro/tilepro-multiply.h: New file.
1553         * config/tilepro/tilepro-protos.h: New file.
1554         * config/tilepro/tilepro.c: New file.
1555         * config/tilepro/tilepro.h: New file.
1556         * config/tilepro/tilepro.md: New file.
1557         * config/tilepro/tilepro.opt: New file.
1558
1559 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1560
1561         PR tree-optimization/52210
1562         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1563         vect_model_simple_cost with two entry vect_def_type array instead
1564         of an address of dt.
1565
1566 2012-02-14  Richard Guenther  <rguenther@suse.de>
1567
1568         PR lto/52178
1569         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1570         Do not stream DECL_QUALIFIER.
1571         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1572         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1573         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1574
1575 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1576
1577         PR c/52181
1578         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1579         newdecl.
1580
1581 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1582
1583         PR bootstrap/52172
1584         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1585         * cselib.c (cselib_subst_to_values_from_insn): New function.
1586         * sched-deps.c (add_insn_mem_dependence,
1587         sched_analyze_1, sched_analyze_2): Use it.
1588
1589 2012-02-13  Jan Hubicka  <jh@suse.cz>
1590
1591         PR middle-end/52214
1592         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1593
1594 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1595
1596         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1597         (GTM_SELF_SPECS): Define if not already defined.
1598         (driver_self_specs): Add GTM_SELF_SPECS.
1599         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1600         (GTM_SELF_SPECS): Define.
1601         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1602         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1603
1604 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1605
1606         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1607         away if seen.
1608
1609         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1610
1611         PR middle-end/52230
1612         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1613         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1614
1615 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1616
1617         PR c/52190
1618         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1619
1620 2012-02-13  Richard Guenther  <rguenther@suse.de>
1621
1622         PR translation/52211
1623         * passes.c (enable_disable_pass): Fix typo.
1624
1625 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR middle-end/52209
1628         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1629         XOR for reduce_bit_field if type is unsigned.
1630
1631 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1634         disallow changes from SFmode to mode with different size in FP regs.
1635
1636 2012-02-12  Robert Millan  <rmh@gnu.org>
1637             Gerald Pfeifer <gerald@pfeifer.com>
1638
1639         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1640         Tweak comment.
1641
1642 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1643
1644         PR rtl-optimization/52175
1645         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1646         to frame-related instructions.
1647
1648 2012-02-10  Jason Merrill  <jason@redhat.com>
1649
1650         PR c++/51910
1651         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1652         (demangle_new_symbols): Fill it.
1653         (scan_linker_output): Walk it.
1654         (start_tweaking): Split out from scan_linker_output.
1655         (maybe_tweak): Update sym->chosen.
1656         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1657
1658 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1659
1660         PR debug/52132
1661         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1662
1663 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1664
1665         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1666         having the same mode as previous compare.
1667
1668 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1669
1670         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1671         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1672         (nonlocal_goto_internal): Likewise.
1673         (nonlocal_goto): Emit a use and an indirect jump directly.
1674
1675 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1676
1677         PR c/52190
1678         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1679         __atomic_{is,always}_lock_free.
1680
1681 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1682
1683         PR target/52146
1684         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1685         negative constant address for x32.
1686
1687 2012-02-10  Richard Henderson  <rth@redhat.com>
1688
1689         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1690         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1691         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1692
1693 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1694             Ira Rosen  <irar@il.ibm.com>
1695
1696         PR tree-optimization/50031
1697         * targhooks.c (default_builtin_vectorization_cost): Handle
1698         vec_promote_demote.
1699         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1700         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1701         all types of reduction and pattern statements.
1702         (vect_estimate_min_profitable_iters): Likewise.
1703         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1704         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1705         for explicit realigns.
1706         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1707         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1708         vec_promote_demote.
1709         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1710         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1711         vec_perm for VSX and handle vec_promote_demote.
1712
1713 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR middle-end/52177
1716         * builtins.c (fold_builtin_atomic_always_lock_free,
1717         expand_builtin_atomic_always_lock_free,
1718         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1719         Return and/or test boolean_true_node/boolean_false_node instead of
1720         integer_one_node/integer_zero_node.
1721
1722 2012-02-10  Jan Hubicka  <jh@suse.cz>
1723
1724         PR middle-end/48600
1725         * predict.c (predict_paths_for_bb): Prevent looping.
1726         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1727
1728 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1729
1730         * config/arm/arm.c (output_move_double): In one case properly
1731         count number of instructions that will be emitted.
1732
1733 2012-02-10  Richard Guenther  <rguenther@suse.de>
1734
1735         PR translation/52193
1736         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1737
1738 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1739
1740         PR middle-end/52140
1741         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1742
1743 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1744
1745         PR debug/52165
1746         * var-tracking.c (emit_note_insn_var_location): If
1747         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1748         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1749         non-NOTE_DURING_CALL_P insn.
1750
1751 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1752
1753         PR middle-end/51867
1754         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1755
1756 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1757
1758         PR driver/48524
1759         * gcc.c (switch_matches) Support switches with separated form,
1760         -D and -U.
1761
1762 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1763
1764         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1765         (SP_ADDR): Ditto.
1766         (RAMPZ_ADDR): Ditto.
1767         * config/avr/avr.c (avr_addr_t): New typedef.
1768         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1769         (avr_init_expanders): Initialize it.
1770         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1771         SREG_ADDR.
1772         (expand_epilogue): Ditto.
1773         (avr_print_operand): Ditto.
1774         (avr_file_start): Ditto.
1775         (avr_emit_movmemhi): Ditto.
1776
1777 2012-02-08  Richard Guenther  <rguenther@suse.de>
1778
1779         PR tree-optimization/46886
1780         * tree-flow.h (do_while_loop_p): Declare.
1781         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1782         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1783
1784 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1785
1786         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1787         always succeed for integers larger than a native word.
1788
1789 2012-02-08  Richard Guenther  <rguenther@suse.de>
1790
1791         PR rtl-optimization/52170
1792         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1793         properly handle integer vector modes.
1794
1795 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR gcov-profile/52150
1798         * coverage.c: Include target.h.
1799         (build_var): Call targetm.strip_name_encoding on the assembler name.
1800         Change one _ into . or $ if the target allows it.
1801         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1802
1803         PR rtl-optimization/52139
1804         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1805         is a BARRIER after emit_insn_after_noloc, move BB_END
1806         to the last non-BARRIER insn before it.
1807
1808 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1809
1810         PR middle-end/24306
1811         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1812         (mips_gimplify_va_arg_expr): Call it instead of
1813         std_gimplify_va_arg_expr.
1814
1815 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1816
1817         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1818         message for -mno-pointers-to-nested-function.
1819
1820 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1821
1822         PR middle-end/51994
1823         * expr.c (get_inner_reference): If there is an offset, add a negative
1824         bit position to it (if any).
1825
1826 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1827
1828         PR rtl-optimization/52060
1829         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1830         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1831         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1832         and/or i0src_copy2 when needed.
1833
1834 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1835
1836         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1837         or LTOPLUGINSONAME if have_c.
1838
1839         * config/freebsd-spec.h: Add comment about what macros can be defined
1840         in this header.
1841         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1842         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1843         here instead.
1844
1845 2012-02-07  Richard Guenther  <rguenther@suse.de>
1846
1847         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1848         newline in -alias dumps.
1849
1850 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1851             Dave Korn  <dave.korn.cygwin@gmail.com>
1852
1853         PR target/40068
1854         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1855         Take care that typinfo gets dllexport-attribute.
1856
1857 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1858
1859         PR middle-end/52074
1860         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1861         if modifier < EXPAND_SUM call force_operand on the result.
1862
1863 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1864
1865         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1866         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1867         present.
1868         (epiphany_function_type): Replace types for specific interrupts with
1869         EPIPHANY_FUNCTION_INTERRUPT.
1870         (EPIPHANY_INTERRUPT_P): Update.
1871         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1872         New static function.
1873         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1874         <disinterrupt>: Affects type identity.
1875         (epiphany_handle_interrupt_attribute): Handle variable number of
1876         arguments.
1877         (epiphany_compute_function_type): Update for new
1878         epiphany_function_type definition.
1879         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1880         handlers with a longcall forwarder.
1881         (epiphany_start_function): Handle multiple interrupt arguments and/or
1882         forwarder_section attribute.
1883
1884         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1885         libgloss.
1886
1887 2012-02-07  Alan Modra  <amodra@gmail.com>
1888
1889         PR target/52107
1890         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1891         subregs of TFmode.
1892
1893 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1894
1895         PR tree-optimization/50969
1896         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1897         use vec_perm rather than vector_stmt.
1898         (vect_model_load_cost): Likewise.
1899         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1900         vec_perm to be the same as other vector statements.
1901         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1902         cost of vec_perm for TARGET_VSX.
1903
1904 2012-02-06  Richard Guenther  <rguenther@suse.de>
1905
1906         PR tree-optimization/52115
1907         * tree-sra.c (access_has_replacements_p): New function.
1908         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1909
1910 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1911
1912         PR middle-end/52047
1913         * trans-mem.c (expand_call_tm): Add an assertion.
1914         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1915         functions.
1916
1917 2012-02-06  Richard Guenther  <rguenther@suse.de>
1918
1919         PR tree-optimization/50955
1920         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1921         raise cost of expressions that replace an address with an
1922         expression based on a different pointer.
1923
1924 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1925
1926         PR target/52129
1927         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1928         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1929
1930 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1931
1932         PR c++/48680
1933         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1934         -Weffc++ and specify guidelines come from second edition.
1935
1936 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1937
1938         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1939         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1940         (call_direct_split, call_value_split, call_value_internal_direct)
1941         (call_value_direct_split, call_value_multiple_split): Use jal and
1942         jal_macro attributes.
1943
1944 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1945
1946         * reload1.c (reload_regs_reach_end_p): Replace with...
1947         (reload_reg_rtx_reaches_end_p): ...this function.
1948         (new_spill_reg_store): Update commentary.
1949         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1950         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1951         before setting new_spill_reg_store.
1952         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1953         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1954         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1955         for non-spill reload registers.
1956
1957 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1958
1959         PR tree-optimization/52091
1960         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1961         (vect_is_simple_use_1): Likewise.
1962         * tree-vect-loop.c (vectorizable_reduction): Update calls
1963         to vect_is_simple_use_1 and vect_is_simple_use.
1964         (vectorizable_live_operation): Likewise.
1965         * tree-vect-patterns.c (widened_name_p,
1966         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1967         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1968         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1969         vectorizable_shift,vectorizable_operation, vectorizable_store,
1970         vectorizable_load): Likewise.
1971         (vect_is_simple_cond): Add an argument, pass it to
1972         vect_is_simple_use_1.
1973         (vectorizable_condition): Update calls to vect_is_simple_cond,
1974         vect_is_simple_use.
1975         (vect_is_simple_use): Add an argument, the statement in which
1976         OPERAND is used.  Check that if OPERAND's def stmt is a double
1977         reduction phi node, the use is a phi node too.
1978         (vect_is_simple_use_1): Add an argument, pass it to
1979         vect_is_simple_use.
1980         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1981         to vect_is_simple_use.
1982
1983 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1984
1985         PR rtl-optimization/52095
1986         * modulo-sched.c (dump_insn_locator): New function.
1987         (loop_canon_p, sms_schedule): Use it.
1988
1989         PR rtl-optimization/52113
1990         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1991         even for decomposable shift/zext insns.
1992
1993 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1994             Zdenek Dvorak  <ook@ucw.cz>
1995
1996         PR rtl-optimization/52092
1997         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1998         on get_iv_value result.
1999
2000 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2001
2002         PR middle-end/47982
2003         PR middle-end/43967
2004         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2005
2006 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2007
2008         PR middle-end/48071
2009         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2010
2011 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2012
2013         PR rtl-optimization/49800
2014         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2015         (sched_finish): Call regstat_free_n_sets_and_refs.
2016
2017 2012-02-02  Jia Liu  <proljc@gmail.com>
2018
2019         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2020         than operand 2.
2021
2022 2012-02-02  Jan Hubicka  <jh@suse.cz>
2023             Tom de Vries  <tom@codesourcery.com>
2024
2025         PR middle-end/51998
2026         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2027         * varpool.c (varpool_analyze_pending_decls): Likewise.
2028
2029 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2030             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2031
2032         * config.gcc: Add cr16-* support.
2033
2034         * doc/extend.texi: Document cr16 extensions.
2035         * doc/install.texi: Document cr16 install.
2036         * doc/invoke.texi: Document cr16 options.
2037         * doc/md.texi: Document cr16 constraints.
2038
2039         * common/config/cr16/cr16-common.c: New file.
2040         * config/cr16/cr16.c: New file.
2041         * config/cr16/cr16.h: New file.
2042         * config/cr16/cr16.md: New file.
2043         * config/cr16/cr16.opt: New file.
2044         * config/cr16/cr16-protos.h: New file.
2045         * config/cr16/predicates.md: New file.
2046         * config/cr16/constraints.md: New file.
2047         * config/cr16/t-cr16: New file.
2048
2049 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR target/52086
2052         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2053         that operands[2] is either immediate, or q_regs_operand.
2054
2055         PR tree-optimization/52073
2056         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2057         a pattern stmt for pattern uses, ignore uses outside of the loop.
2058
2059 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2060
2061         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2062         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2063         (OUT_AS1, OUT_AS2): Remove.
2064
2065 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2066
2067         PR rtl-optimization/51374
2068         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2069         to cross other volatile_refs_p insns.
2070
2071 2012-02-01  Richard Guenther  <rguenther@suse.de>
2072
2073         * doc/invoke.texi (fno-inline): Clarify documentation.
2074         (finline-small-functions): Likewise.
2075         (finline-functions): Likewise.
2076         * common.opt (finline): Adjust comment and documentation.
2077         (finline-small-functions): Clarify documentation.
2078         (finline-functions): Likewise.
2079         (finline-functions-called-once): Likewise.
2080
2081 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2082
2083         * c-typeck.c (composite_type): Keep mode for pointers.
2084
2085 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2086
2087         * function.h (regno_reg_rtx): Adjust comment.
2088         * reginfo.c (init_reg_modes_target): Only use the previous mode
2089         if it fits within one register.  Remove MIPS comment.
2090
2091 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2092
2093         PR bootstrap/52058
2094         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2095
2096 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2097
2098         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2099         to srak instruction.
2100
2101 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2102
2103         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2104
2105 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR bootstrap/52041
2108         PR bootstrap/52039
2109         PR target/51974
2110         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2111
2112 2012-01-31  Richard Guenther  <rguenther@suse.de>
2113
2114         PR tree-optimization/51528
2115         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2116         assigns.
2117
2118 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2119
2120         PR bootstrap/52041
2121         PR bootstrap/52039
2122         PR target/51974
2123         * ree.c (add_removable_extension): Change def_map argument
2124         to unsigned *, store in def_map 1 + offset into *insn_list vector
2125         instead of pointers into the vector.
2126         (find_removable_extensions): Adjust caller.
2127
2128 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2129
2130         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2131         Transform all "* quoted-c-code" to { c-code }.
2132         Remove redundant test for "optimize" in combine patterns.
2133         Move (include "avr-dimode.md") to end of file.
2134
2135 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2136
2137         PR target/51835
2138         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2139         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2140
2141 2012-01-30  Richard Guenther  <rguenther@suse.de>
2142
2143         PR tree-optimization/52028
2144         * tree-loop-distribution.c (ldist_gen): Properly update
2145         virtual SSA form.
2146
2147 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2148
2149         PR debug/52027
2150         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2151         set_cur_line_info_table if not emitting debug info.
2152
2153         PR tree-optimization/52046
2154         * tree-vect-patterns.c (check_bool_pattern): Give up if
2155         a comparison could throw.
2156
2157         PR debug/52048
2158         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2159
2160 2012-01-30  Richard Guenther  <rguenther@suse.de>
2161
2162         PR tree-optimization/52045
2163         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2164         SSA form if cfgcleanup did anything.
2165
2166 2012-01-30  Richard Guenther  <rguenther@suse.de>
2167
2168         PR tree-optimization/52045
2169         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2170         before computing final todo.
2171
2172 2012-01-30  Richard Guenther  <rguenther@suse.de>
2173
2174         PR tree-optimization/51528
2175         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2176         for PR51528 fix.
2177
2178 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2179
2180         * df-problems.c (df_kill_notes): Check that the use refers
2181         to the note under examination.
2182
2183 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2184
2185         PR target/51920
2186         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2187         parameter and use short-lived pseudos.
2188         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2189         (sparc_expand_vector_init): Const-ify local variables and adjust
2190         calls to above functions.
2191
2192 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2193
2194         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2195
2196 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2197
2198         * doc/invoke.texi: Make usage of "compile time" and
2199         "run time"/"runtime" consistent throughout the file.
2200
2201 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2202
2203         * config/alpha/alpha.c (alpha_option_override): Default to
2204         full IEEE compliance mode for Go language.
2205
2206 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2207
2208         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2209         (LINK_SSP_SPEC): Define.
2210
2211 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2212
2213         PR target/51871
2214         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2215         stubs.
2216
2217 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2218
2219         * doc/invoke.texi: Correct hyphenation of "floating point",
2220         "double precision", and related terminology throughout the file.
2221
2222 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2223
2224         PR target/52006
2225         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2226         arm_general_register_operand predicate for operand 2 instead of
2227         register_operand.
2228
2229 2012-01-27  Ian Lance Taylor  <iant@google.com>
2230
2231         PR go/47656
2232         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2233         * builtins.c (expand_builtin_init_trampoline): Add onstack
2234         parameter.  Change caller.
2235         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2236         * tree.c (build_common_builtin_nodes): Declare
2237         __builtin_init_heap_trampoline.
2238
2239 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2240
2241         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2242         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2243         * config/avr/avr.c: Ditto.
2244         (avr_regnames): Remove because unused.
2245         * config/avr/avr.md (*cpse.ne): New peephole.
2246         (*cpse.eq): New peephole from former cpse peepholes.
2247
2248 2012-01-27  Michael Eager  <eager@eagercon.com>
2249
2250         * config/microblaze.c (microblaze_emit_compare): Correct
2251         test after pcmp instruction.
2252
2253 2012-01-27  Richard Guenther  <rguenther@suse.de>
2254
2255         PR tree-optimization/52020
2256         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2257
2258 2012-01-27  Richard Guenther  <rguenther@suse.de>
2259
2260         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2261         function non-const/pure.
2262
2263 2012-01-27  Richard Guenther  <rguenther@suse.de>
2264
2265         PR tree-optimization/50444
2266         * tree-sra.c (build_ref_for_offset): Properly adjust the
2267         MEM_REF type for unaligned accesses.
2268
2269 2012-01-27  Richard Guenther  <rguenther@suse.de>
2270
2271         PR tree-optimization/50444
2272         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2273         (expand_assignment): Use it.  Properly handle misaligned
2274         bases when expanding stores to component references.
2275         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2276         refactor that case.
2277
2278 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2279
2280         PR middle-end/51389
2281         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2282         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2283         * tree-data-ref.c (find_data_references_in_loop): Make static.
2284         (compute_all_dependences): Change return type to bool.  Bail out
2285         for too many datarefs in a loop.  Move the hunk resetting the data
2286         dependences vector from ...
2287         (compute_data_dependences_for_loop): ... here.  Account for
2288         compute_all_dependences returning false.
2289         (compute_data_dependences_for_bb): Likewise.
2290         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2291         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2292
2293 2012-01-27  Richard Guenther  <rguenther@suse.de>
2294
2295         PR middle-end/51959
2296         * expr.c (store_field): Use the alias-set of the scratch memory
2297         for storing to it.
2298
2299 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2300
2301         PR tree-optimization/51990
2302         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2303         WITH_SIZE_EXPR.
2304         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2305
2306 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2307
2308         PR debug/52001
2309         * var-tracking.c (reverse_op): Don't add any reverse operation
2310         if V already has any constant locations.
2311
2312 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2313
2314         * doc/invoke.texi: Correct usage of "command line" (noun)
2315         vs "command-line" (adjective) throughout.
2316
2317 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2318
2319         * doc/invoke.texi (Language Independent Options): Move
2320         -Wcoverage-mismatch blurb from here....
2321         (Warning Options): ...to here.
2322
2323 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2324
2325         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2326         Set rs6000_always_hint to false for 476.
2327
2328 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2329
2330         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2331           system root.
2332         * incpath.c (add_standard_paths): Likewise.
2333
2334 2012-01-27  Richard Henderson  <rth@redhat.com>
2335
2336         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2337         * config/m68k/sync.md (atomic_test_and_set): Rename from
2338         sync_test_and_setqi and adjust the operands.
2339         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2340         and unconditionally enable.
2341
2342 2012-01-27  Richard Henderson  <rth@redhat.com>
2343
2344         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2345         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2346         (ldstub): Rename from ldstubqi.
2347         (ldstub<I24MODE>): Remove.
2348
2349 2012-01-27  Richard Henderson  <rth@redhat.com>
2350
2351         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2352         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2353         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2354         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2355         * doc/tm.texi: Rebuild.
2356
2357 2012-01-27  Richard Henderson  <rth@redhat.com>
2358
2359         * optabs.c (gen_atomic_test_and_set): Remove default.
2360         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2361
2362 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2363
2364         PR rtl-optimization/51978
2365         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2366         (combine_reaching_defs): Likewise.
2367         (struct re_info): Remove.
2368         (add_removable_extension): Remove x and data arguments,
2369         add insn, insn_list and def_map.  Use the arguments directly
2370         instead of using struct re_info.
2371         (find_removable_extensions): Don't call add_removable_extension
2372         through note_stores, instead just call it with single_set
2373         result if non-NULL.
2374         (find_and_remove_re): Pass curr_cand->expr instead of
2375         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2376
2377 2012-01-26  Michael Matz  <matz@suse.de>
2378
2379         PR tree-optimization/46590
2380         * cfgexpand.c: Revert last change (r183305).
2381         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2382         regs.
2383         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2384         checking for emptiness.
2385
2386 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2387
2388         PR middle-end/51895
2389         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2390         non-addressable non-BLKmode base correctly.
2391
2392 2012-01-26  Michael Matz  <matz@suse.de>
2393
2394         PR tree-optimization/48794
2395         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2396         regions referenced from RESX/EH_DISPATCH.
2397
2398 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2399
2400         * config/s390/s390.h: Make BRANCH_COST an option.
2401         * config/s390/s390.opt: New option -mbranch-cost.
2402
2403 2012-01-26  Richard Henderson  <rth@redhat.com>
2404
2405         Revert 2012-01-24 change:
2406         * trans-mem.c (requires_barrier): Do not instrument thread local
2407         variables and emit save/restore for them.
2408
2409 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2410
2411         PR middle-end/51986
2412         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2413         for pat == 0.
2414
2415 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2416
2417         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2418         ASM_OPERANDS.
2419
2420 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2421
2422         PR target/49868
2423         Rename __pgm to __flash.
2424         Rename __pgm1 to __flash1.
2425         Rename __pgm2 to __flash2.
2426         Rename __pgm3 to __flash3.
2427         Rename __pgm4 to __flash4.
2428         Rename __pgm5 to __flash5.
2429         Rename __pgmx to __memx.
2430         * doc/extend.texi (AVR Named Address Spaces)
2431         Rename address space names as indicated above.
2432         * config/avr/avr.c (avr_addrspace): Ditto.
2433
2434         * config/avr/avr-protos.h
2435         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2436         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2437         * config/avr/predicates.md: Ditto.
2438         * config/avr/avr.c Ditto, and
2439         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2440         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2441
2442         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2443         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2444         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2445         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2446         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2447         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2448         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2449         * config/avr/avr.c: Ditto.
2450         * config/avr/avr.md: Ditto.
2451
2452 2012-01-25  Jason Merrill  <jason@redhat.com>
2453
2454         PR c++/51992
2455         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2456
2457 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2458
2459         PR tree-optimization/51987
2460         * tree-data-ref.c (get_references_in_stmt): Handle references in
2461         non-volatile GIMPLE_ASM.
2462
2463 2012-01-25  Richard Guenther  <rguenther@suse.de>
2464
2465         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2466         bases are dereferenced.
2467
2468 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2469
2470         PR rtl-optimization/48374
2471         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2472
2473 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2474
2475         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2476         compute_data_dependences_for_loop returns false.
2477         * tree-parloops.c (loop_parallel_p): Likewise.
2478
2479 2012-01-25  Richard Guenther  <rguenther@suse.de>
2480
2481         * tree.h (get_pointer_alignment_1): Declare.
2482         * builtins.c (get_pointer_alignment_1): New function.
2483         (get_pointer_alignment): Use it.
2484
2485 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2486
2487         PR rtl-optimization/48308
2488         * combine.c (enum undo_kind): Add UNDO_LINKS.
2489         (struct undo): Add member l to other_contents and where.
2490         (do_SUBST_LINK): New.
2491         (SUBST_LINK): New.
2492         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2493         (undo_all): Handle UNDO_LINKS.
2494
2495 2012-01-25  Richard Henderson  <rth@redhat.com>
2496
2497         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2498         mem inputs.
2499
2500 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2501
2502         * optabs.c (gen_atomic_test_and_set): Use each argument.
2503
2504 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2505
2506         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2507         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2508         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2509         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2510         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2511         TARGET_PAIRED_SINGLE_FLOAT.
2512
2513 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2514
2515         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2516         (in_struct, return_val): Remove MEM documentation.
2517         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2518         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2519         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2520         and MEM_SCALAR.
2521         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2522         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2523         * expr.c (store_field): Likewise.
2524         * function.c (assign_stack_temp_for_type): Likewise.
2525         * ifcvt.c (noce_try_cmove_arith): Likewise.
2526         * reload1.c (reload): Likewise.
2527         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2528         (alpha_set_memflags): Likewise.
2529         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2530
2531 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2532
2533         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2534         parameter.
2535         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2536         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2537         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2538         varies parameter.
2539         * cselib.c (cselib_rtx_varies_p): Delete.
2540         (cselib_invalidate_mem): Update call to canon_true_dependence.
2541         * dse.c (record_store, check_mem_read_rtx): Likewise.
2542         (scan_reads_nospill): Likewise.
2543         * cse.c (check_dependence): Likewise.
2544         (cse_rtx_varies_p): Delete.
2545         * expr.c (safe_from_p): Update call to true_dependence.
2546         * ira.c (validate_equiv_mem_from_store): Likewise.
2547         (memref_referenced_p): Likewise.
2548         * postreload-gcse.c (find_mem_conflicts): Likewise.
2549         * sched-deps.c (sched_analyze_2): Likewise.
2550         * store-motion.c (load_kills_store): Likewise.
2551         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2552         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2553         (compute_transp): Update call to canon_true_dependence.
2554
2555 2012-01-25  Richard Henderson  <rth@redhat.com>
2556
2557         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2558         (maybe_emit_atomic_test_and_set): New.
2559         (expand_sync_lock_test_and_set): Use it.
2560         (expand_atomic_test_and_set): Likewise.
2561         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2562         the implementation; clarify implementation defined details.
2563         * doc/md.texi (atomic_test_and_set): Document.
2564
2565 2012-01-25  Richard Henderson  <rth@redhat.com>
2566
2567         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2568
2569 2012-01-25  Richard Henderson  <rth@redhat.com>
2570
2571         PR target/51968
2572         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2573         to effect no-op split.
2574
2575 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2576
2577         PR lto/51698
2578         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2579         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2580         (BT_FN_VOID_PTR_INT_SIZE): New.
2581         (BT_FN_UINT_UINT_VAR): Remove.
2582         (BT_FN_UINT32_UINT32_VAR): New.
2583         (BT_FN_DOUBLE_VPTR): Remove.
2584         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2585
2586         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2587         (_ITM_changeTransactionMode): Same.
2588         (_ITM_memmoveRtWt): Change return type to void.
2589         (_ITM_memcpyRtWt): Same.
2590         (_ITM_memsetW): Same.
2591         (_ITM_RaRD): Change types to double.
2592         (_ITM_RD): Same.
2593         (_ITM_RaWD): Same.
2594         (_ITM_RfWD): Same.
2595
2596         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2597
2598 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2599             Patrick Marlier  <patrick.marlier@gmail.com>
2600
2601         * trans-mem.c (requires_barrier): Do not instrument thread local
2602         variables and emit save/restore for them.
2603
2604 2012-01-24  Jason Merrill  <jason@redhat.com>
2605
2606         PR c++/51812
2607         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2608         output static aliases.
2609
2610 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2611
2612         PR driver/47249
2613         * common.opt (-pie, -shared, pie, shared): Change from Common to
2614         Driver.
2615         * gcc.c (display_help): Display help for -pie and -shared.
2616
2617 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2618
2619         PR target/49868
2620         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2621         Remove note on size/offset limitation.
2622         (AVR Variable Attributes): Add example how to read data located
2623         with progmem.  Refer to named address spaces.
2624         * doc/invoke.texi (AVR Options): Fix typo.
2625
2626 2012-01-24  Richard Guenther  <rguenther@suse.de>
2627
2628         Forward-port to trunk
2629         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR middle-end/45678
2632         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2633         op0 isn't sufficiently aligned and there is movmisalignM
2634         insn for mode, use it to load op0 into a temporary register.
2635
2636 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2637
2638         PR target/51957
2639         * target.def (const_not_ok_for_debug_p): New hook.
2640         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2641         documentation.
2642         * doc/tm.texi: Regenerated.
2643         * dwarf2out.c (const_ok_for_output_1): If
2644         targetm.const_not_ok_for_debug_p returns true, fail.
2645         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2646         function.
2647         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2648
2649 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2650
2651         PR target/51900
2652         * config/i386/predicates.md (symbolic_operand): Allow
2653         UNSPEC_PCREL as PIC expression for lea.
2654         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2655         * config/i386/i386.c (ix86_delegitimize_address): Handle
2656         UNSPEC_PCREL for none-MEM, too.
2657
2658 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2659
2660         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2661         (ipa_tm_create_version_alias): Same.
2662
2663 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2664
2665         PR libitm/51830
2666         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2667         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2668
2669 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2670             Patrick Marlier  <patrick.marlier@gmail.com>
2671             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2672
2673         PR lto/51916
2674         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2675         simple_object_start_read.
2676
2677 2012-01-23  Richard Guenther  <rguenther@suse.de>
2678
2679
2680         PR tree-optimization/51895
2681         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2682         parameter decomposition into BLKmode components.
2683
2684 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2685
2686         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2687         fake variables for restrict-qualified pointers whose pointed-to type
2688         contains a placeholder.
2689
2690 2012-01-23  Richard Guenther  <rguenther@suse.de>
2691
2692         PR tree-optimization/51949
2693         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2694
2695 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2696
2697         PR rtl-optimization/51933
2698         * ree.c (transform_ifelse): Return true right away if dstreg is
2699         already wider or equal to cand->mode.
2700         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2701         (make_defs_and_copies_lists): Remove defs_list and copies_list
2702         arguments, add state argument, just truncate state->work_list
2703         instead of always allocating and freeing the vector.  Assert that
2704         get_defs succeeds instead of returning 2.  Changed return type to bool.
2705         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2706         have ext_src_mode, see if it has been modified already with the
2707         right kind of extension and has been extended before from the
2708         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2709         just return true.  Remember the original mode in state->modified array.
2710         (combine_reaching_defs): Add state argument.  Don't allocate and
2711         free here def_list, copied_list and vec vectors, instead just
2712         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2713         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2714         Add state variable, clear vectors in it, initialize state.modified
2715         if needed.  Free all the vectors at the end and state.modified too.
2716         Don't skip a candidate if the extension expression has been modified.
2717
2718 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2719
2720         PR target/47096
2721         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2722          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2723         (extra_options) interix.opt -> i386/interix.opt"
2724         (extra_objs):Add winnt-stubs.o
2725         * configure.ac: Add interix to target_os .comm on PE check.
2726         * configure: Regenerate.
2727         * config/interix3.h: Delete and move bits to..
2728         * config/interix.h: Delete and move bits to..
2729         * config/i386/i386-interix3.h: Delete and move bits to..
2730         * config/i386/i386-interix.h: ..here.
2731         (TARGET_CPU_DEFAULT): Remove redefinition.
2732         (TARGET_ASM_CONSTRUCTOR): Undefine.
2733         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2734         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2735         (PTRDIFF_TYPE): Define.
2736         (LONG_DOUBLE_TYPE_SIZE): Define.
2737         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2738         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2739         (TARGET_SECTION_TYPE_FLAGS): Define.
2740         (ASM_DECLARE_FUNCTION_NAME): Define.
2741         (ASM_OUTPUT_EXTERNAL): Define.
2742         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2743         (ASM_OUTPUT_ALIGNED_BSS): Define.
2744         (PCC_BITFIELD_TYPE_MATTERS): Define.
2745         (USE_CONST_SECTION): Define.
2746         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2747         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2748         (SUPPORTS_ONE_ONLY): Remove.
2749         (I386_PE_STRIP_ENCODING): Define.
2750         * config/interix.opt: Delete and move bits to..
2751         * config/i386/interix.opt: ..here. New.
2752         (mpe-aligned-commons): Add.
2753         * config/i386/t-interix: Add copyright header.
2754         (winnt-stubs.o): Add rule.
2755
2756 2012-01-22  Jason Merrill  <jason@redhat.com>
2757
2758         PR c++/51832
2759         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2760         for extra name aliases.
2761
2762 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2763
2764         PR rtl-optimization/51924
2765         * ree.c (combine_set_extension): Improve debugging message.
2766         (combine_reaching_defs): Likewise.
2767         (get_defs): Rename confusingly named variable.
2768         (find_and_remove_re): Skip a candidate if the extension expression has
2769         been modified.
2770
2771 2012-01-21  Robert Millan  <rmh@gnu.org>
2772             Gerald Pfeifer  <gerald@pfeifer.com>
2773
2774         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2775         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2776
2777 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2778
2779         PR tree-optimization/51914
2780         * tree-vect-stmts.c (vectorizable_conversion): For
2781         cvt_type && modifier == WIDEN, put temporary with cvt_type
2782         at the beginning of vec_dsts and set vec_dest to temporary
2783         with vectype_out.
2784
2785 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2786
2787         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2788
2789 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2790
2791         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2792         * config/rs6000/rs6000.c: Likewise.
2793
2794 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2795
2796         PR target/51915
2797         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2798         output_move_double on a copy of operands array.
2799
2800 2012-01-20  Cary Coutant  <ccoutant@google.com>
2801             Dodji Seketeli  <dodji@redhat.com>
2802
2803         PR debug/45682
2804         * dwarf2out.c (copy_declaration_context): Return ref to parent
2805         of declaration DIE, if necessary.
2806         (remove_child_or_replace_with_skeleton): Add new parameter; update
2807         caller.  Place skeleton DIE under parent DIE of original declaration.
2808         Move call to copy_declaration_context to here ...
2809         (break_out_comdat_types): ... from here.
2810
2811 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2812
2813         PR rtl-optimization/51856
2814         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2815         flag to reloaded.
2816
2817 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2818
2819         PR target/51819
2820         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2821         hints for neon loads and stores.
2822
2823 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2824
2825         PR target/49868
2826         PR target/50887
2827         * doc/extend.texi (Named Address Spaces): Split into subsections.
2828         (AVR Named Address Spaces): New subsection.
2829         (M32C Named Address Spaces): New subsection.
2830         (RL78 Named Address Spaces): New subsection.
2831         (SPU Named Address Spaces): New subsection.
2832         (Variable Attributes): New anchor "AVR Variable Attributes".
2833         (AVR Variable Attributes): Rewrite and avoid wording
2834         "address space" in this context.
2835         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2836         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2837         (AVR Built-in Macros): New subsubsection therein.
2838         * doc/md.texi (AVR constraints): Remove "C04", "R".
2839
2840 2012-01-20  Richard Guenther  <rguenther@suse.de>
2841
2842         PR tree-optimization/51903
2843         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2844         when removing stmts.
2845
2846 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2847
2848         PR target/50313
2849         * config/arm/arm.c (arm_load_pic_register): Use
2850         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2851         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2852         (arm_pic_static_addr): Likewise.
2853         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2854         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2855         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2856         (pic_load_addr_unified): New.
2857
2858 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2859
2860         PR target/51106
2861         * function.c (instantiate_virtual_regs_in_insn): Use
2862         delete_insn_and_edges when removing a wrong asm insn.
2863
2864 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2865
2866         PR rtl-optimization/40761
2867         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2868         Add new member loop_num.
2869         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2870         (ira_build): Remove the parameter.
2871
2872         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2873         (ira.c): Do not build CFG loops for one region allocation.  Remove
2874         argument from ira_build call.
2875
2876         * ira-build.c (init_loop_tree_node): New function.
2877         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2878         loops are not built.
2879         (more_one_region_p): Check current_loops.
2880         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2881         built.
2882         (add_loop_to_tree): Process loop equal to NULL too.
2883         (form_loop_tree): Separate the case when CFG loops are not built.
2884         Use explicitly number for the root.
2885         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2886         an assertion.
2887         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2888         instead of loop->num.
2889         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2890         (mark_all_loops_for_removal): Ditto.
2891         (remove_unnecessary_regions): Separate the case when CFG loops
2892         are not built.
2893         (ira_build): Remove the parameter.  Use explicit number of regions
2894         when CFG loops are not built.
2895
2896         * ira-color.c (print_loop_title): Separate the case for the root node.
2897         Use loop_num instead of loop->num.
2898         (move_spill_restore): Use loop_num instead of loop->num.
2899
2900         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2901         (change_loop): Ditto.
2902         (change_loop): Use loop_num instead of loop->num.
2903
2904         * ira-lives.c (process_bb_node_lives): Ditto.
2905
2906         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2907
2908         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2909
2910 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2911
2912         PR libmudflap/40778
2913         * tree-mudflap.c (mf_artificial): New function.
2914         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2915         mx_register_decls, mudflap_enqueue_decl): Use it.
2916
2917         PR target/51876
2918         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2919         numbers in the insn pattern.
2920
2921 2012-01-19  Michael Matz  <matz@suse.de>
2922
2923         PR tree-optimization/46590
2924         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2925         use it in remembering which conflicts we already created.
2926         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2927         bitmap.
2928
2929 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2930
2931         PR lto/51280
2932         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2933         (merge_and_complain): Same.
2934
2935 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2936
2937         PR bootstrap/50237
2938         * config/initfini-array.h: Guard content of the header
2939         with #ifdef HAVE_INITFINI_ARRAY.
2940         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2941         Add initfini-array.h to tm_file here.
2942         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2943         * config.gcc: Don't add initfini-array.h to tm_file here.
2944         * configure: Regenerated.
2945
2946 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2947
2948         PR rtl-optimization/51505
2949         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2950         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2951         (df_note_bb_compute): Update the call to df_kill_notes.
2952
2953 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2954
2955         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2956
2957 2012-01-18  Richard Guenther  <rguenther@suse.de>
2958
2959         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2960         of conversions to void *.
2961
2962 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2963             Richard Sandiford  <rdsandiford@googlemail.com>
2964
2965         PR middle-end/50325
2966         PR middle-end/51192
2967         * optabs.h (simplify_expand_binop): Declare.
2968         * optabs.c (simplify_expand_binop): Make global.
2969         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2970         endian targets if the source cannot be exactly covered by word
2971         mode chunks.
2972
2973 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2974
2975         PR bootstrap/51872
2976         * hard-reg-set.h (struct hard_reg_set_container): New type.
2977         * target.h (struct hard_reg_set_container): Forward declare.
2978         * target.def (set_up_by_prologue): New target hook.
2979         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2980         * doc/tm.texi: Regenerated.
2981         * function.c (thread_prologue_and_epilogue_insns): Change
2982         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2983         Call targetm.set_up_by_prologue on it.
2984         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2985         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2986
2987 2012-01-17  Nick Clifton  <nickc@redhat.com>
2988
2989         * config/rx/rx.c (rx_can_use_simple_return): New function.
2990         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2991         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2992
2993 2012-01-17  Richard Guenther  <rguenther@suse.de>
2994
2995         PR middle-end/51782
2996         * expr.c (expand_assignment): Take address-space information
2997         from the address operand of MEM_REF and TARGET_MEM_REF.
2998         (expand_expr_real_1): Likewise.
2999
3000 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3001
3002         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3003         reload dump is requested.
3004
3005 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3006
3007         PR other/51165
3008         * trans-mem.c (requires_barrier): Call may_be_aliased.
3009
3010 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3011
3012         PR tree-optimization/51877
3013         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3014         call arguments and fndecls compare equal, instead return false if they
3015         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3016         both SSA_NAMEs that are valueized the same, or they satisfy
3017         operand_equal_p.
3018
3019 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3020
3021         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3022         Solaris 11+.
3023         * configure: Regenerate.
3024
3025 2012-01-16  Jan Hubicka  <jh@suse.cz>
3026
3027         PR c/12245
3028         PR c++/14179
3029         * convert.c (convert_to_integer): Use fold_convert for
3030         converting an INTEGER_CST to integer type.
3031
3032 2012-01-16  Jason Merrill  <jason@redhat.com>
3033
3034         PR c++/14179
3035         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3036
3037 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3038
3039         PR bootstrap/51860
3040         * config/s390/s390.c (s390_chunkify_start): Don't skip
3041         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3042         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3043         If insn is followed by NOTE_INSN_VAR_LOCATION or
3044         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3045         Don't use location of note insns.
3046
3047         PR tree-optimization/51865
3048         * tree-inline.c (tree_function_versioning): Call remap_decl
3049         on DECL_RESULT whenever it has VOID_TYPE_P type.
3050
3051 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3052
3053         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3054         for calls to locally-binding MIPS16 functions if only the return
3055         type uses float regs.
3056
3057 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3058             Richard Sandiford  <rdsandiford@googlemail.com>
3059
3060         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3061         (SYMBOL_32_HIGH): Likewise.
3062         (mips_output_tls_reloc_directive): Declare.
3063         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3064         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3065         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3066         (mips_lo_relocs, mips_hi_relocs): Make extern.
3067         (mips16_stub_function): Move up file.
3068         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3069         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3070         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3071         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3072         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3073         (mips_get_tp): Add MIPS16 support.
3074         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3075         Generalize DTPREL and TPREL handling.
3076         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3077         Add MIPS16 TLS support.
3078         (mips_output_tls_reloc_directive): New function.
3079         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3080         * config/mips/predicates.md (symbolic_operand_with_high)
3081         (tls_reloc_operand): New predicates.
3082         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3083         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3084         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3085         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3086         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3087         (*tls_get_tp_mips16_call_<mode>): Likewise.
3088
3089 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3090
3091         PR rtl-optimization/51821
3092         * recog.c (peep2_find_free_register): Determine clobbered registers
3093         from insn pattern.
3094
3095 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3096
3097         PR target/50925
3098         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3099         * config/avr/avr.c: Likewise.
3100         * config/avr/avr.h: Likewise.
3101
3102 2012-01-13  Ian Lance Taylor  <iant@google.com>
3103
3104         PR c++/50012
3105         * tree.h (TYPE_QUALS): Add cast to int.
3106         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3107
3108 2012-01-13  Ian Lance Taylor  <iant@google.com>
3109
3110         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3111         comparing param_index to VEC_length result.
3112
3113 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3114
3115         * c-decl.c: Do not include tree-mudflap.h
3116         * tree-optimize.c: Likewise.
3117         * Makefile.in: Update dependencies.
3118
3119 2012-01-13  Richard Guenther  <rguenther@suse.de>
3120
3121         PR middle-end/8081
3122         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3123         variable-sized result always use RSO.
3124
3125 2012-01-12  DJ Delorie  <dj@redhat.com>
3126
3127         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3128         pointer type, not just the default pointer type.
3129
3130 2012-01-09  Richard Henderson  <rth@redhat.com>
3131             Denis Chertykov  <chertykov@gmail.com>
3132
3133         PR target/50925
3134         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3135         * config/avr/avr.c (avr_can_eliminate): Simplify.
3136         (avr_initial_elimination_offset): Likewise.
3137         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3138         (expand_epilogue): Likewise.
3139         (avr_legitimize_address): Gut.
3140         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3141         (avr_hard_regno_nregs): New.
3142         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3143         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3144         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3145         add soft frame pointer.
3146         (CALL_USED_REGISTERS): Likewise.
3147         (REG_CLASS_CONTENTS): Likewise.
3148         (REGISTER_NAMES): Likewise.
3149         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3150         (HARD_FRAME_POINTER_REGNUM): New.
3151         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3152         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3153         remove the HARD_FRAME_POINTER self-elimination.
3154
3155 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3156
3157         PR target/51756
3158         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3159         DECL_EXTERNAL when checking for initializers of progmem variables.
3160
3161 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3162
3163         PR tree-optimization/51799
3164         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3165         that the last operation is a type demotion.
3166
3167 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3168
3169         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3170         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3171
3172 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3173
3174         PR bootstrap/51796
3175         * combine.c (distribute_notes): If i3 is a noreturn call,
3176         allow old_size to be equal to args_size and make sure the
3177         noreturn call gets REG_ARGS_SIZE note.
3178         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3179         on noreturn calls even when the delta is 0.
3180
3181 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3182
3183         * gcov.c (STRING_SIZE): Remove.
3184         (generate_results): Erase annotations for source files with no
3185         coverage information.
3186         (read_line): New.
3187         (output_lines): Use it.
3188
3189 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3190
3191         * gimple.h (gimplify_body): Remove first argument.
3192         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3193         pointer set here, instead just pass DATA to walk_tree.
3194         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3195         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3196         (unvisit_body): Likewise, but with unmark_visited.
3197         (gimplify_body): Remove BODY_P argument and adjust.
3198         (gimplify_function_tree): Adjust call to gimplify_body.
3199         * omp-low.c (finalize_task_copyfn): Likewise.
3200
3201 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3202
3203         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3204         (build_function_type_skip_args): Delete.
3205         * tree.c (build_function_type_skip_args): Make static and add
3206         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3207         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3208         pass it to build_function_type_skip_args.
3209         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3210         (tree_function_versioning): Likewise.
3211         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3212         build_function_decl_skip_args.
3213         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3214         and pass it to build_function_decl_skip_args/tree_function_versioning.
3215         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3216         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3217         * trans-mem.c (ipa_tm_create_version): Likewise.
3218         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3219         * tree-inline.c (declare_return_variable): Remove always-true test.
3220         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3221         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3222         * ipa-split.c (split_function): Skip the return value for the split
3223         part if it doesn't return.
3224
3225 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3226
3227         PR tree-optimization/49642
3228         * ipa-split.c (forbidden_dominators): New variable.
3229         (check_forbidden_calls): New function.
3230         (dominated_by_forbidden): Likewise.
3231         (consider_split): Check for forbidden dominators.
3232         (execute_split_functions): Initialize and free forbidden
3233         dominators info; call check_forbidden_calls.
3234
3235 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3236
3237         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3238
3239 2012-01-11  Nick Clifton  <nickc@redhat.com>
3240
3241         * config/rx/rx.md (return): Define pattern.
3242
3243 2012-01-11  Richard Guenther  <rguenther@suse.de>
3244
3245         * doc/extend.texi (malloc attribute): Adjust according to
3246         implementation.
3247
3248 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3249             Patrick Marlier  <patrick.marlier@gmail.com>
3250
3251         PR middle-end/51516
3252         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3253         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3254         (ipa_tm_note_irrevocable): Same.
3255         (ipa_tm_scan_irr_block): Same.
3256         (ipa_tm_decrement_clone_counts): Same.
3257         (ipa_tm_scan_irr_function): Same.
3258         (ipa_tm_create_version_alias): Same.
3259         (ipa_tm_create_version): Same.
3260         (ipa_tm_transform_calls_redirect): Same.
3261         (ipa_tm_transform_calls): Same.
3262         (ipa_tm_transform_transaction): Same.
3263         (ipa_tm_execute): Same.
3264
3265 2012-01-10  Richard Guenther  <rguenther@suse.de>
3266
3267         PR middle-end/51806
3268         * opts.c (common_handle_option): Handle -Werror.
3269
3270 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3271
3272         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3273         operand number.
3274
3275 2012-01-10  Jason Merrill  <jason@redhat.com>
3276
3277         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3278         information.
3279
3280 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3281
3282         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3283         supports R_386_TLS_GD_PLT reloc.
3284         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3285         supports R_386_TLS_LDM_PLT reloc.
3286         * configure: Regenerate.
3287         * config.in: Regenerate.
3288
3289 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3290
3291         PR target/49868
3292         Extend __pgmx semantics to linearize memory.
3293         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3294         determine if code comes inline or from libgcc.
3295         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3296         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3297         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3298         (movmemx_qi, movmemx_hi): New insns.
3299         (xload_<mode>_libgcc): Rewrite to new insn condition.
3300         (xload_<mode>): Remove insns.
3301         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3302         cases that don't satisfy avr_xload_libgcc_p().
3303         (avr_addr_space_convert): Allow converting in any direction.
3304         (avr_addr_space_subset_p): Return always true.
3305         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3306         (avr_emit_movmemhi): Ditto.
3307         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3308         (avr_out_movmem): Ditto.
3309         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3310         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3311         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3312         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3313         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3314
3315 2012-01-10  Richard Guenther  <rguenther@suse.de>
3316
3317         PR tree-optimization/50913
3318         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3319         Require data-refs to be representable by Graphite with respect
3320         to any loop nest.
3321
3322 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3323
3324         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3325         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3326
3327 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3328
3329         PR rtl-optimization/51271
3330         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3331         handling annulled branch.
3332
3333 2012-01-10  Richard Henderson  <rth@redhat.com>
3334
3335         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3336         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3337         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3338         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3339         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3340         arm_expand_vec_perm_const): New.
3341         * config/arm/arm-protos.h: Update.
3342         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3343         (*neon_vswp<VDQX>): New.
3344         (neon_vcombine<VDX>): Use neon_split_vcombine.
3345         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3346         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3347         (vec_perm<VE>): New.
3348
3349 2012-01-10  Richard Henderson  <rth@redhat.com>
3350
3351         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3352         use it if reload_completed.
3353         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3354         arm_output_asm_insn, arm_process_output_memory_barrier,
3355         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3356         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3357         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3358         arm_process_output_sync_insn, arm_output_sync_insn,
3359         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3360         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3361         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3362         (emit_unlikely_jump): New.
3363         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3364         (arm_split_atomic_op): New.
3365         * config/arm/arm-protos.h: Update.
3366         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3367         (struct arm_sync_generator): Remove.
3368         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3369         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3370         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3371         (VUNSPEC_LL, VUNSPEC_SC): New.
3372         (sync_result, sync_memory, sync_required_value, sync_new_value,
3373         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3374         (attr length): Don't use arm_sync_loop_insns.
3375         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3376         (movsfcc, movdfcc): Likewise.
3377         * config/arm/constraints.md (Ua): New.
3378         * config/arm/prediates.md (mem_noofs_operand): New.
3379         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3380         (sync_clobber, sync_t2_reqd): Remove.
3381         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3382         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3383         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3384         (arm_sync_compare_and_swap<SIDI>): Remove.
3385         (arm_sync_compare_and_swap<NARROW>): Remove.
3386         (arm_sync_lock_test_and_set<SIDI>): Remove.
3387         (arm_sync_lock_test_and_set<NARROW>): Remove.
3388         (arm_sync_new_<syncop><SIDI>): Remove.
3389         (arm_sync_new_<syncop><NARROW>): Remove.
3390         (arm_sync_new_nand<SIDI>): Remove.
3391         (arm_sync_new_nand<NARROW>): Remove.
3392         (arm_sync_old_<syncop><SIDI>): Remove.
3393         (arm_sync_old_<syncop><NARROW>): Remove.
3394         (arm_sync_old_nand<SIDI>): Remove.
3395         (arm_sync_old_nand<NARROW>): Remove.
3396         (*memory_barrier): Merge arm_output_memory_barrier.
3397         (atomic_compare_and_swap<QHSD>): New.
3398         (atomic_compare_and_swap<NARROW>_1): New.
3399         (atomic_compare_and_swap<SIDI>_1): New.
3400         (atomic_exchange<QHSD>): New.
3401         (cas_cmp_operand, cas_cmp_str): New.
3402         (atomic_op_operand, atomic_op_str): New.
3403         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3404         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3405         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3406         (arm_load_exclusive<NARROW>): New.
3407         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3408         (arm_store_exclusive<QHSD>): New.
3409
3410 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3411
3412         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3413         reload patterns if -mvsx-scalar-memory.
3414
3415         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3416         generated, even -mno-vsx-scalar-double was used.
3417         (vsx_xscvdpsp_scalar): Likewise.
3418         (vsx_xscvspdp_scalar2): Likewise.
3419
3420 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3421             Andrew Pinski  <apinski@cavium.com>
3422
3423         PR debug/51471
3424         * reorg.c (fill_slots_from_thread): Don't speculate
3425         frame-related insns.
3426
3427 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3428
3429         * sched-int.h (bb_note): Move to...
3430         * basic-block.h: ...here.
3431         * haifa-sched.c (bb_note): Move to...
3432         * cfgrtl.c: ...here.
3433         * function.c (next_block_for_reg): New function.
3434         (move_insn_for_shrink_wrap): Likewise.
3435         (prepare_shrink_wrap): Rewrite to use the above.
3436
3437 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
3438
3439         * gimple.c (is_gimple_non_addressable): Remove.
3440         * gimple.h: Remove is_gimple_non_addressable.
3441         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
3442         is_gimple_non_addressable.
3443         * trans-mem.c (expand_assign_tm): Same.
3444
3445 2012-01-09  Richard Guenther  <rguenther@suse.de>
3446
3447         PR tree-optimization/51775
3448         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
3449         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
3450
3451 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3452
3453         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
3454         tuning parameters.
3455         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
3456
3457 2012-01-09  Richard Guenther  <rguenther@suse.de>
3458
3459         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
3460
3461 2012-01-08  Jan Hubicka  <jh@suse.cz>
3462
3463         PR tree-optimize/51680
3464         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
3465         on when known_vals needs to be computed; cleanup.
3466
3467 2012-01-08  Jan Hubicka  <jh@suse.cz>
3468
3469         PR tree-optimize/51694
3470         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
3471
3472 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
3473
3474         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
3475         for -std=c++98 and -std=c++11 too.
3476
3477 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
3478
3479         * cfgloop.c (cancel_loop): Add free() of bbs array.
3480
3481 2012-01-07  Jan Hubicka  <jh@suse.cz>
3482
3483         PR tree-optimization/51600
3484         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
3485         that benefits small functions.
3486
3487 2012-01-07  Jan Hubicka  <jh@suse.cz>
3488
3489         * ipa-inline.c (want_inline_small_function_p): Fix formating.
3490
3491 2012-01-07  Jan Hubicka  <jh@suse.cz>
3492
3493         PR tree-optimization/51680
3494         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
3495         whose inlining reduce unit size.
3496
3497 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
3498
3499         PR bootstrap/51725
3500         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
3501         Add canonical node to containing_mem chain after the non-canonical
3502         one, even if there weren't any locs to propagate.
3503         (remove_useless_values): Keep only canonical values.
3504         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
3505         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
3506         canonicalize mem_chain elements that are not discarded.
3507
3508 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
3509
3510         PR target/47333
3511         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
3512         before emitting functions.
3513
3514         PR gcov-profile/50127
3515         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
3516         clear_aux_for_blocks.
3517
3518 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
3519
3520         PR debug/51746
3521         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
3522
3523 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
3524
3525         * c-decl.c (ext_block): Moved up.
3526         (collect_all_refs, for_each_global_decl): Take ext_block into account.
3527
3528 2012-01-06  Han Shen  <shenhan@google.com>
3529
3530         Translate built-in include paths for sysroot.
3531         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
3532         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
3533
3534         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
3535         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
3536
3537         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
3538         control whether sysroot should be prepended to gxx include dir.
3539
3540         * configure: Regenerate.
3541
3542 2012-01-06  Torvald Riegel  <triegel@redhat.com>
3543
3544         PR rtl-optimization/51771
3545         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
3546         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
3547
3548 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3549
3550         PR tree-optimization/51315
3551         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
3552         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
3553
3554 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
3555
3556         PR target/51681
3557         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
3558         for shrp pattern.  Correctly handle and fixup shift variable.
3559         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
3560
3561 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3562
3563         PR debug/51762
3564         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
3565         note when !ACCUMULATE_OUTGOING_ARGS.
3566
3567 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3568
3569         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3570         condition.
3571         (extract_range_from_unary_expr_1): Avoid useless computations.
3572
3573 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3574
3575         PR rtl-optimization/51767
3576         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3577         of jump_block and add an extra edge for degenerated asm gotos.
3578
3579         PR middle-end/51768
3580         * stmt.c (check_unique_operand_names): Don't ICE during error
3581         reporting if i is from labels chain.
3582
3583         PR middle-end/44777
3584         * profile.c (branch_prob): Split bbs that have exit edge
3585         and need a fake entry edge too.
3586
3587 2012-01-05  Jan Hubicka  <jh@suse.cz>
3588
3589         PR middle-end/49710
3590         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3591         unlooping loops.
3592
3593 2012-01-05  Richard Guenther  <rguenther@suse.de>
3594
3595         PR lto/50490
3596         * tree-streamer-out.c (write_ts_optimization): New function.
3597         (streamer_write_tree_body): Call it.
3598         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3599         (streamer_read_tree_body): Call it.
3600         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3601
3602 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3603
3604         PR middle-end/51761
3605         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3606         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3607         in_cleanup_point_expr before gimplify_stmt call and restore it
3608         afterwards.
3609         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3610         in_cleanup_point_expr is false.
3611
3612 2012-01-05  Richard Guenther  <rguenther@suse.de>
3613
3614         PR middle-end/51764
3615         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3616         to c.opt.
3617         * toplev.c (process_options): Reject combining mudflap and LTO.
3618         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3619
3620 2012-01-05  Richard Guenther  <rguenther@suse.de>
3621
3622         PR tree-optimization/51760
3623         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3624         not VARYING.
3625         (bit_value_unop): Handle UNDEFINED operands.
3626         (bit_value_binop): Likewise.
3627
3628 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3629
3630         * config/avr/avr.c (avr_replace_prefix): Remove.
3631         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3632         (avr_asm_function_rodata_section): Ditto.
3633         (avr_asm_select_section): Ditto.
3634
3635 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3636
3637         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3638         insertion.
3639
3640 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3641
3642         PR bootstrap/51648
3643         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3644         calls that have any non-fake successor edges.
3645
3646         PR debug/51746
3647         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3648
3649 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3650
3651         PR tree-optimization/51624
3652         * tree-sra.c (build_ref_for_model): When replicating a chain of
3653         COMPONENT_REFs, stop as soon as the offset would become negative.
3654
3655 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3656
3657         PR debug/51695
3658         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3659         in .debug_loc on the floor.
3660
3661 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3662
3663         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3664
3665 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3666             Adam Nemet  <anemet@caviumnetworks.com>
3667
3668         * config/mips/mips.md (size): Add SI and DI.
3669         (SIZE): New mode attribute.
3670         (U): New code attribute.
3671         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3672         (mips_lbux_<mode>): Delete.
3673         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3674         (mips_lhx): Use gen_mips_lhx_extsi.
3675         (mips_lhx_<mode>): Delete.
3676         (mips_lwx): Delete.
3677         (mips_l<size>x): New expand.
3678         (mips_lwx_<mode>): Delete.
3679         (mips_l<GPR:size>x_<P:mode>): New pattern.
3680         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3681         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3682         * config/mips/mips.c (mips_lx_address_p): New function.
3683         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3684         (dsp64): New availability predicate.
3685         (mips_builtins): Add an entry for __builtin_mips_ldx.
3686         * config/mips/mips.h (ISA_HAS_LBX): New define.
3687         (ISA_HAS_LBUX): Likewise.
3688         (ISA_HAS_LHX): Likewise.
3689         (ISA_HAS_LHUX): Likewise.
3690         (ISA_HAS_LWX): Likewise.
3691         (ISA_HAS_LWUX): Likewise.
3692         (ISA_HAS_LDX): Likewise.
3693         * doc/extend.texi (__builtin_mips_ldx): Document.
3694
3695 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3696
3697         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3698         when long pointers are used.
3699         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3700         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3701         (ia64-hp-*vms*): Remove.
3702         * config/vms/xm-vms64.h: Delete.
3703
3704 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3705
3706         PR middle-end/51472
3707         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3708
3709 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3710
3711         * opts.c (finish_options): Remove duplicate sorry.
3712
3713 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3714
3715         PR middle-end/51696
3716         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3717         correctly.
3718
3719 2012-01-04  Richard Guenther  <rguenther@suse.de>
3720
3721         PR middle-end/51750
3722         * tree.c (size_low_cst): New function.
3723         * tree.h (size_low_cst): Declare.
3724         * fold-const.c (fold_comparison): Use it to extract the low
3725         part of the POINTER_PLUS_EXPR offset.
3726
3727 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3728
3729         Fix clearing ZERO_REG
3730         * config/avr/avr.md (cc): Add alternative "ldi".
3731         (movqi_insn): Use it in cc attribute.
3732         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3733         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3734         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3735
3736 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3737
3738         * configure: Regenerate.
3739
3740 2012-01-04  Richard Guenther  <rguenther@suse.de>
3741
3742         PR tree-optimization/49651
3743         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3744         (var_can_have_subvars): Use it.
3745         (get_constraint_for_1): Only consider subfields if there can be any.
3746
3747 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3748
3749         PR bootstrap/51725
3750         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3751         to its new canonical_cselib_val and the cselib_val was in
3752         first_containing_mem chain, but the canonical_cselib_val was not,
3753         add the latter into the chain.
3754         (cselib_invalidate_mem): Compare canonical_cselib_val of
3755         addr_list chain elt with v.
3756
3757         PR pch/51722
3758         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3759         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3760         of xstrdup.
3761         (output_macinfo_op): Don't ggc_strdup fd->filename.
3762         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3763         then ggc_strdup it.  Don't free inc->info or cur->info.
3764         (output_macinfo): Don't free ref->info or file->info.
3765
3766 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3767
3768         PR tree-optimization/51269
3769         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3770         first_niters a pointer.
3771         (slpeel_tree_peel_loop_to_edge): Likewise.
3772         (vect_do_peeling_for_loop_bound): Update call to
3773         slpeel_tree_peel_loop_to_edge.
3774         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3775         here.  Remove it from the parameters list.
3776         (vect_do_peeling_for_alignment): Update calls and compute
3777         wide_prolog_niters.
3778
3779 2012-01-03  Richard Guenther  <rguenther@suse.de>
3780
3781         PR tree-optimization/51070
3782         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3783         Properly handle calls.
3784
3785 2012-01-03  Richard Guenther  <rguenther@suse.de>
3786
3787         PR tree-optimization/51692
3788         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3789         the LHS of allocation stmts.
3790
3791 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3792
3793         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3794
3795 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3796
3797         * collect2.c (main): In AIX specific computations for vector
3798         insertions, use CONST_CAST2 to cast from char ** to const char **.
3799
3800 2012-01-03  Richard Guenther  <rguenther@suse.de>
3801
3802         PR debug/51650
3803         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3804         the context of a limbo DIE when it does not already exist.
3805
3806 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3807
3808         PR tree-optimization/51719
3809         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3810         but direct call is, clear direct call's lhs and don't add fallthrough
3811         edge from dcall_bb to join_bb and PHIs.
3812
3813 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3814
3815         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3816         the instructions emitted by the pattern.
3817         ("*TDC_insn_<mode>"): Add comment.
3818
3819 2012-01-03  Richard Guenther  <rguenther@suse.de>
3820
3821         PR middle-end/51730
3822         * fold-const.c (fold_comparison): Properly canonicalize
3823         tree offset and HOST_WIDE_INT bit position.
3824
3825 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3826
3827         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3828         operands for extzv pattern.
3829
3830 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3831
3832         PR bootstrap/51725
3833         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3834         on mem_elt first.
3835
3836 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3837
3838         * doc/invoke.texi (-flto and related options): Copy-edit.
3839
3840 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3841
3842         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3843
3844 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3845
3846         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3847         New patterns.
3848
3849 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3850
3851         * expr.h (move_by_pieces_ninsns): Declare.
3852         * expr.c (move_by_pieces_ninsns): Make external.
3853         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3854         (mips_store_by_pieces_p): Likewise.
3855         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3856         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3857         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3858         (mips_store_by_pieces_p): Likewise.
3859
3860 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3861
3862         * passes.c (register_one_dump_file): Free full_name.
3863
3864         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3865         (calculate_elim_costs_all_insns): Free offsets_at and
3866         offsets_known_at at the end and clear the pointers.
3867
3868 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3869
3870         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3871         this option introduced in r180739.
3872
3873 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3874
3875         PR target/51345
3876         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3877         (tmake_file target=avr): Add avr/t-multilib.
3878
3879         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3880         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3881         * config/avr/genmultilib.awk: New file.
3882         * config/avr/t-multilib: New auto-generated file.
3883         * config/avr/multilib.h: New auto-generated file.
3884         * config/avr/t-avr (AVR_MCUS): New variable.
3885         (genopt.sh): Use it.
3886         (s-mlib): Depend on t-multilib.
3887         (t-multilib, multilib.h): New dependencies.
3888         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3889         (MULTILIB_OPTIONS): Remove.
3890         (MULTILIB_MATCHES): Remove.
3891         (MULTILIB_DIRNAMES): Remove.
3892         (MULTILIB_EXCEPTIONS): Remove:
3893         * config/avr/genopt.sh: Don't use hard coded file name;
3894         pass AVR_MCUS from t-avr instead.
3895
3896 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3897
3898         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3899
3900 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3901
3902         Implement light-weight DImode support.
3903         * config/avr/avr-dimode.md: New file.
3904         * config/avr/avr.md: Include it.
3905         (adjust_len): Add plus64, compare64.
3906         (HIDI): Remove code iterator.
3907         (code_stdname): New code attribute.
3908         (rotx, rotsmode): Remove DI.
3909         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3910         as code iterator.
3911         * config/avr/avr-protos.h (avr_have_dimode): New.
3912         (avr_out_plus64, avr_out_compare64): New.
3913         * config/avr/avr.c (avr_out_compare): Handle DImode.
3914         (avr_have_dimode): New variable definition and initialization.
3915         (avr_out_compare64, avr_out_plus64): New functions.
3916         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3917         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3918         (avr_compare_pattern): Skip DImode comparisons.
3919
3920 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3921
3922         * ddg.c (def_has_ccmode_p): New function.
3923         (add_cross_iteration_register_deps,
3924         create_ddg_dep_from_intra_loop_link): Call it.
3925
3926 2012-01-02  Richard Guenther  <rguenther@suse.de>
3927
3928         PR other/51679
3929         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3930
3931 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3932
3933         * gcc.c (process_command): Update copyright notice dates.
3934         * gcov.c (print_version): Likewise.
3935         * gcov-dump.c (print_version): Likewise.
3936         * mips-tfile.c (main): Likewise.
3937         * mips-tdump.c (main): Likewise.
3938
3939 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3940
3941         PR tree-optimization/51704
3942         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3943         a use is inside the basic block or loop before accessing its vect info.
3944
3945 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3946
3947         PR rtl-optimization/51069
3948         * cfgloopmanip.c (remove_path): Removing path making irreducible
3949         region unconditional makes BB part of the region.
3950
3951 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3952
3953         PR tree-optimization/51683
3954         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3955         calls with side-effects.
3956         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3957 \f
3958 Copyright (C) 2012 Free Software Foundation, Inc.
3959
3960 Copying and distribution of this file, with or without modification,
3961 are permitted in any medium without royalty provided the copyright
3962 notice and this notice are preserved.