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Backport from 2012-04-19 mainline r186588.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
2
3         Backport from 2012-04-19 mainline r186588.
4
5         PR target/53033
6         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
7         the case *(X+const).
8
9 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
10
11         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
12
13 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
14
15         PR target/53020
16         * config/i386/sync.md (atomic_<code><mode>): Rename to
17         atomic_<logic><mode>.
18
19 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
20
21         Backport from mainline
22         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
23
24         PR target/52932
25         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
26         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
27         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
28         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
29         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
30         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
31         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
32         gen_avx2_permvarv8sf.
33
34 2012-04-16  Martin Jambor  <mjambor@suse.cz>
35
36         Backported from mainline
37
38         2012-04-13  Martin Jambor  <mjambor@suse.cz>
39         PR middle-end/52939
40
41         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
42         fold_ctor_reference returns a zero constant.
43
44 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
45
46         Backported from mainline
47         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
48
49         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
50         and __ILP32__ for x32.
51
52 2012-04-13  Tom de Vries  <tom@codesourcery.com>
53
54         Backport from mainline r186418.
55
56         2012-04-13  Tom de Vries  <tom@codesourcery.com>
57
58         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
59         parameters vuse and vuse_escaped.
60         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
61         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
62         vuse1 != vuse2.
63
64 2012-04-13  Richard Guenther  <rguenther@suse.de>
65
66         PR tree-optimization/52969
67         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
68         the condition for the COND_EXPR and handle predicate negation
69         by swapping the COND_EXPR arms.
70
71 2012-04-13  Richard Guenther  <rguenther@suse.de>
72
73         PR c/52862
74         * convert.c (convert_to_pointer): Remove special-casing of
75         zero.
76
77 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
78
79         Backport from mainline
80         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
81
82         PR target/52775
83         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
84         the list of options to enable the FCFID instruction.
85         (TARGET_EXTRA_BUILTINS): Adjust comment.
86
87 2012-04-12  Richard Guenther  <rguenther@suse.de>
88
89         PR tree-optimization/52943
90         * tree-chrec.h (chrec_is_positive): Remove.
91         * tree-scalar-evolution.c (chrec_is_positive): Move ...
92         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
93         Return false for a constant zero instead of negative.
94         (analyze_siv_subscript_cst_affine): Handle zero difference
95         in the initial condition explicitely.
96
97 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
98
99         PR middle-end/52894
100         * varasm.c (process_pending_assemble_externals): Set
101         pending_assemble_externals_processed true.
102         (assemble_external): Call assemble_external_real if the pending
103         assemble externals have been processed.
104
105 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
106
107         PR target/52717
108         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
109         the DECL generated for the special GOT helper.
110
111 2012-04-06  Walter Lee  <walt@tilera.com>
112
113         Backport from mainline
114         2012-03-07  Walter Lee  <walt@tilera.com>
115
116         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
117         REG_CFA_* notes for the stack pointer.
118         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
119         EH_RETURN_STACKADJ_RTX.
120         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
121         generate REG_CFA_* notes for the stack pointer.
122         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
123         by EH_RETURN_STACKADJ_RTX.
124
125 2012-04-06  Matt Turner  <mattst88@gmail.com>
126
127         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
128
129 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
130
131         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
132         of the destination isn't also a FP_REGS register.
133
134 2012-04-03  Richard Guenther  <rguenther@suse.de>
135
136         Backport from mainline
137         2012-03-02  Richard Guenther  <rguenther@suse.de>
138
139         PR tree-optimization/52406
140         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
141         (struct indices): Add unconstrained_base member.
142         (struct dr_alias): Remove unused vops member.
143         (DR_UNCONSTRAINED_BASE): New define.
144         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
145         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
146         be an artificial access that covers the whole indexed object,
147         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
148         plain decl base-objects to their MEM_REF variant.
149         (dr_may_alias_p): When the base-object of either data reference
150         has unknown size use only points-to information.
151         (compute_affine_dependence): Make dumps easier to read and
152         more verbose.
153         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
154         DR_REF when looking for packed references.
155         (vect_supportable_dr_alignment): Likewise.
156
157 2012-04-03  Richard Guenther  <rguenther@suse.de>
158
159         Backport from mainline
160         2012-03-15  Richard Guenther  <rguenther@suse.de>
161
162         PR middle-end/52580
163         * tree-data-ref.c (subscript_dependence_tester_1): Check
164         all dimensions for non-conflicting access functions.
165
166 2012-04-03  Richard Guenther  <rguenther@suse.de>
167
168         Backport from mainline
169         2012-03-06  Richard Guenther  <rguenther@suse.de>
170
171         PR middle-end/52493
172         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
173
174         2012-03-23  Richard Guenther  <rguenther@suse.de>
175
176         PR tree-optimization/52678
177         * tree-vectorizer.h (struct _stmt_vec_info): Add
178         loop_phi_evolution_part member.
179         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
180         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
181         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
182         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
183         Use the cached evolution part and the PHI nodes value from
184         the loop preheader edge instead of re-analyzing the evolution.
185
186         2012-03-26  Richard Guenther  <rguenther@suse.de>
187
188         PR tree-optimization/52701
189         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
190         compute and set the evolution part of PHI nodes.
191
192         2012-03-30  Richard Guenther  <rguenther@suse.de>
193
194         PR tree-optimization/52754
195         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
196         propagate arbitrary addresses into really plain dereferences.
197
198 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
199
200         PR tree-optimization/52835
201         * tree-data-ref.c (build_rdg): Return NULL if
202         compute_data_dependences_for_loop failed.
203
204 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
205
206         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
207         (stmt_can_make_abnormal_goto): Use it.
208         (is_ctrl_altering_stmt): Likewise.
209
210 2012-03-31  Martin Jambor  <mjambor@suse.cz>
211
212         Backported from mainline
213         2012-03-30  Martin Jambor  <mjambor@suse.cz>
214
215         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
216         is a builtin_stack_save in a dominating BB.
217
218 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
219
220         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
221         crossing 128bit lane boundary.
222
223 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
224
225         Backported from mainline
226         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
227
228         PR target/52698
229         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
230         New prototype.
231         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
232         * config/i386/i386.c: Include reload.h.
233         (ix86_legitimize_reload_address): New function.
234
235 2012-03-28  Martin Jambor  <mjambor@suse.cz>
236
237         Backported from mainline
238         2012-03-27  Martin Jambor  <mjambor@suse.cz>
239
240         PR middle-end/52693
241         * tree-sra.c (sra_modify_assign): Do not call
242         load_assign_lhs_subreplacements when working with an unscalarizable
243         region.
244
245 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
246
247         PR middle-end/52691
248         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
249         __builtin_va_start to __builtin_next_arg if the latter is
250         builtin_decl_explicit_p rather than when it is not.
251
252         PR middle-end/52750
253         * tree-vect-generic.c (vector_element): Perform multiplication
254         for pos in bitsizetype type instead of idx type.
255
256 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
257
258         Backport from 2012-03-28 mainline r185910.
259
260         PR target/52692
261         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
262         (avr_builtin_decl): New static function.
263         (struct avr_builtin_description, avr_bdesc): Move up.
264         Add GTY marker. Add field fndecl. Remove redundant field id.
265         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
266         (avr_expand_builtin): Code cleanup because .id is removed.
267
268 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
269
270         PR middle-end/51893
271         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
272         targets.
273
274 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
275
276         Backport from 2012-03-28 mainline r185907.
277
278         PR target/52737
279         * config.gcc (tm_file): Remove avr/multilib.h.
280
281         * doc/invoke.texi (AVR Options): Adjust
282         documentation of -mtiny-stack.
283
284         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
285         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
286         * config/avr/t-avr: Remove generation of multilib.h.
287         * config/avr/t-multilib: Regenerate.
288         * config/avr/multilib.h: Remove.
289         * config/avr/avr.opt (-msp8): New option.
290         (avr_sp8): New variable.
291         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
292         * config/avr/avr.h (AVR_HAVE_SPH): New define.
293         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
294         (avr_device_to_sp8): New prototype.
295         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
296         (DRIVER_SELF_SPECS): New define.
297         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
298         __AVR_SP8__, __AVR_HAVE_SPH__.
299         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
300         AVR_HAVE_8BIT_SP to decide if SP_H is present.
301         (avr_file_start): Ditto.
302
303 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
304
305         PR target/52736
306         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
307         instead of 8 in adjust_address.
308
309 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
310
311         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
312         of a unit before computing the offset in units.
313
314 2012-03-27  Richard Guenther  <rguenther@suse.de>
315
316         PR middle-end/52720
317         * fold-const.c (try_move_mult_to_index): Handle &x.array more
318         explicitely.
319
320 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
321
322         PR target/52610
323         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
324
325 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
326
327         PR middle-end/52640
328         * varasm.c: Include pointer-set.h.
329         (pending_assemble_externals_set): New pointer set.
330         (process_pending_assemble_externals): Destroy the pointer set.
331         (assemble_external): See if decl is in pending_assemble_externals_set,
332         and add it to pending_assemble_externals if necessary.
333         (init_varasm_once): Allocate pending_assemble_externals_set.
334
335 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
336
337         Backported from mainline
338         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
339
340         PR target/50310
341         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
342         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
343         (vector_ltgt<mode>): Likewise.
344         (vector_ordered<mode>): Likewise.
345         (vector_unordered<mode>): Likewise.
346         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
347
348 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
349
350         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
351         Make static.
352
353 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
354
355         Backported from mainline
356         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
357
358         PR target/48596
359         PR target/48806
360         * config/sh/sh.c (sh_register_move_cost): Increase cost between
361         GENERAL_REGS and FP_REGS for SImode.
362
363 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
364
365         PR middle-end/52547
366         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
367         on any new_local_var_chain vars declared during recursing on
368         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
369
370 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
371
372         Backport from 2012-03-22 mainline r185692.
373
374         PR target/52496
375         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
376         (unspecv): Add UNSPECV_MEMORY_BARRIER.
377         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
378         (delay_cycles_1, delay_cycles_2): Ditto.
379         (delay_cycles_3, delay_cycles_4): Ditto.
380         (nopv, *nopv): Ditto.
381         (sleep, *sleep): Ditto.
382         (wdr, *wdr): Ditto.
383
384         Backport from 2012-03-21 mainline r185605.
385
386         PR rtl-optimization/52543
387         PR target/52461
388         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
389         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
390         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
391         (avr_load_libgcc_p): Restrict to __flash loads.
392         (avr_out_lpm): Only handle 1-byte loads from __flash.
393         (avr_load_lpm): New function.
394         (avr_find_unused_d_reg): Remove.
395         (avr_out_lpm_no_lpmx): Remove.
396         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
397         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
398         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
399         (load_<mode>, load_<mode>_clobber): New insns.
400         (mov<mode>): For multi-byte move from non-generic
401         16-bit address spaces: Expand to load_<mode> resp.
402         load_<mode>_clobber.
403         (load<mode>_libgcc): Remove expander.
404         (split-lpmx): Remove split.
405
406         Backport from 2012-03-13 mainline r185329.
407
408         PR target/52488
409         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
410         offset (size) to a value the insns can deal with.
411         (expand_epilogue): Ditto.
412
413         Backport from 2012-03-12 mainline r185256.
414
415         PR target/52499
416         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
417         type from reg_class_t to enum reg_class.
418         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
419
420         Backport from 2012-03-12 mainline r185253.
421
422         PR target/52148
423         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
424         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
425         r184615 from 2012-02-28.
426
427         Backport from 2012-03-08 mainline r185105.
428
429         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
430         for constants in [-63,63].
431
432         Backport from 2012-03-08 mainline r185100.
433
434         PR target/52496
435         * config/avr/avr.c (avr_mem_clobber): New static function.
436         (avr_expand_delay_cycles): Add memory clobber operand to
437         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
438         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
439         (enable_interrupt, disable_interrupt): New expander.
440         (nopv, sleep, wdr): New expanders.
441         (delay_cycles_1): Add memory clobber.
442         (delay_cycles_2): Add memory clobber.
443         (delay_cycles_3): Add memory clobber.
444         (delay_cycles_4): Add memory clobber.
445         (cli_sei): New insn from former "enable_interrupt",
446         "disable_interrupt" with memory clobber.
447         (*wdt): New insn from former "wdt" with memory clobber.
448         (*nopv): Similar, but for "nopv".
449         (*sleep): Similar, but for "sleep".
450
451         Backport from 2012-03-07 mainline r185043.
452
453         PR target/52484
454         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
455
456         Backport from 2012-03-07 mainline r185032.
457
458         PR target/52506
459         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
460         to: RAMPZ, RAMPY, RAMPX, RAMPD.
461         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
462
463         Backport from 2012-03-07 mainline r185031.
464
465         PR target/52505
466         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
467         from RAM.
468         * config/avr/avr.md (xload_8): Adjust insn length.
469
470         Backport from 2012-03-07 mainline r185030.
471
472         PR target/52461
473         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
474         if RAMPZ affects reading from RAM.
475
476         Backport from 2012-03-05 mainline r184919.
477
478         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
479
480 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
481
482         Backport from mainline r185259.
483
484         PR other/52545
485         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
486         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
487
488 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
489
490         Backported from mainline
491         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
492
493         PR c/52577
494         * c-parser.c (c_parser_postfix_expression)
495         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
496
497         * config/i386/smmintrin.h: Avoid /* within a comment.
498         * config/i386/nmmintrin.h: Likewise.
499
500 2012-03-22  Richard Guenther  <rguenther@suse.de>
501
502         * BASE-VER: Set to 4.7.1.
503         * DEV-PHASE: Set to prerelease.
504
505 2012-03-22  Release Manager
506
507         * GCC 4.7.0 released.
508
509 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
510
511         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
512
513 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
514             Andrew Pinski  <apinski@cavium.com>
515
516         PR middle-end/52592
517         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
518         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
519         calls instead of __builtin_ir{int,ound}*.
520
521 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
522
523         PR c++/52582
524         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
525         if c_node is NULL.
526
527 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
528
529         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
530         Refer to GCC 4.7 version of c99status.html.
531
532 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
533
534         Backport from mainline
535         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
536
537         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
538         redefine to be NULL if the current bit-size is different from the
539         configured bit-size.
540
541         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
542         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
543         set the default tuning.  Add asserts to make sure the cpu and tune
544         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
545         test whether the index is set, instead of > 0.
546         (rs6000_file_start): Do not reset the default cpu if the current
547         bit-size is different from the configured bit-size.
548
549 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
550
551         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
552         binutils reference.
553         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
554         Update binutils references.
555         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
556         Update binutils reference.
557         Update Sun as/GNU ld caveat.
558         Document binutils largefile requirement for LTO plugin.
559         Remove reference to alternate libpthread.
560
561 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
562
563         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
564         reference.
565         (Specific, mips-sgi-irix6): Likewise.
566
567 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
568
569         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
570         * configure: Regenerate.
571
572 2012-03-07  Richard Henderson  <rth@redhat.com>
573
574         * config/m68k/m68k.h (ISA_HAS_TAS): New.
575         * config/m68k/sync.md (atomic_test_and_set): Use it.
576         (atomic_test_and_set_1): Likewise.
577
578 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
579
580         PR target/51417
581         * Makefile.in: Let install-gcc-ar depend on installdirs,
582         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
583         Don't double canonicalize if cross-compiling.
584
585 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
586
587         * trans-mem.c: New typedef for tm_region_p.
588         Define vector types for tm_region_p.
589         (tm_region_init): Replace region_worklist to a vector called
590         bb_regions.
591
592 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
593
594         PR middle-end/52463
595         * trans-mem.c (tm_region_init): Use last_basic_block.
596
597 2012-03-05  Richard Henderson  <rth@redhat.com>
598
599         PR tree-opt/52242
600         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
601         * omp-low.c (expand_omp_atomic): Assume anything aligned to
602         BIGGEST_ALIGNMENT is aligned.
603
604 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
605
606         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
607
608 2012-03-05  Richard Henderson  <rth@redhat.com>
609
610         PR target/52481
611         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
612         instead of calling negqi2 directly.
613
614 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
615
616         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
617         (INTMAX_TYPE): Use it.
618         (UINTMAX_TYPE): Likewise.
619         (SUBTARGET_OVERRIDE_OPTIONS): Define.
620         (irix6_c_common_override_options): Declare.
621         (C_COMMON_OVERRIDE_OPTIONS): Define.
622         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
623         * config/mips/irix6-c.c: New file.
624         * config/mips/t-irix6 (irix6-c.o): New target.
625         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
626         cxx_target_objs.
627
628 2012-03-02  Richard Henderson  <rth@redhat.com>
629
630         * optabs.c (expand_atomic_test_and_set): Honor
631         atomic_test_and_set_trueval even when atomic_test_and_set
632         optab is not in use.
633
634 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
635
636         Backport from mainline
637         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
638
639         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
640
641 2012-03-02  Richard Guenther  <rguenther@suse.de>
642
643         * DEV-PHASE: Set to prerelease.
644
645 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
646
647         * config.gcc (obsolete): Add all ARM targets using the FPA.
648         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
649         * doc/install.texi: Avoid references to obsolete ARM ports.
650
651 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
652
653         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
654
655 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
656             Joern Rennecke  <joern.rennecke@embecosm.com>
657
658         * doc/extend.texi: Expand and update information on interrupt
659         attribute for Epiphany.
660
661 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
662
663         * config/sh/sh-protos.h: Update copyright notice dates.
664         * config/sh/sh.h: Likewise.
665         * config/sh/sh.md: Likewise.
666         * config/sh/constraints.md: Likewise.
667         * config/sh/predicates.md: Likewise.
668
669 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
670
671         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
672         * config/sh/sh.c (tertiary_reload_operand): Likewise.
673
674 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
675
676         * config/sh/constraints.md: Fix comment typo.
677
678 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
679
680         PR target/52408
681         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
682         unsigned HOST_WIDE_INT.
683         (zvdep_imm64): Likewise.
684         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
685         (vdepi_and): Likewise.
686         Likewise for unamed 64-bit patterns.
687         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
688
689 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
690
691         PR debug/52001
692         PR rtl-optimization/52417
693         * cselib.c (cselib_any_perm_equivs): New variable.
694         (cselib_reset_table): Check that it's not set when not
695         preserving constants.
696         (cselib_add_permanent_equiv): Set it.
697         (cselib_have_permanent_equivalences): New.
698         (cselib_init, cselib_finish): Reset it.
699         * cselib.h (cselib_have_permanent_equivalences): Declare.
700         * alias.c (get_addr): Restore earlier behavior when there
701         aren't permanent equivalences.
702
703 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
704
705         * config/mn10300/mn10300-modes.def: Fix copyright notice.
706         * config/v850/v850-modes.def: Fix copyright notice.
707
708 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
709
710         * doc/extend.texi (AVR Built-in Functions): Document
711         __builtin_avr_flash_segment.
712
713         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
714         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
715         (*split.flash_segment): New insn-and-split.
716         * config/avr/avr.c (avr_init_builtins): Add local variables:
717         const_memx_void_node, const_memx_ptr_type_node,
718         char_ftype_const_memx_ptr.
719
720 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
721
722         PR tree-optimization/52445
723         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
724         add ssa_name_ver, offset and size fields and change store field
725         to bool.
726         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
727         (add_or_mark_expr): Likewise.  Only consider previous stores
728         with the same size and offset.
729         (nt_init_block): Only look at gimple_assign_single_p stmts,
730         doesn't look at rhs2.
731
732 2012-03-01  Richard Guenther  <rguenther@suse.de>
733
734         PR middle-end/52443
735         * tree-cfg.c (verify_gimple_assign_unary): Allow any
736         conversions from integral types to pointer types.
737
738 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
739
740         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
741         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
742         unintentionally removed in r184616.
743
744 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
745
746         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
747         3DNow from bdver1.
748
749 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
750             Uros Bizjak  <ubizjak@gmail.com>
751
752         PR target/52437
753         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
754         alternatives, add "e" constraint to the new last alternative
755         and ! to last 3 alternatives.
756
757 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
758
759         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
760         DW_AT_artificial attributes at the end of the processing.
761         (gen_array_type_die): Likewise.
762         (gen_enumeration_type_die): Likewise.
763         (gen_struct_or_union_type_die): Likewise.
764         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
765         the parent type.
766
767 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
768
769         PR middle-end/52419
770         * expr.c (expand_assignment): If doing misaligned store that doesn't
771         cover all mode bits, perform a RMW cycle.
772
773         PR tree-optimization/52429
774         * tree-parloops.c (separate_decls_in_region_debug): Return early
775         if var is LABEL_DECL.
776
777 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
778
779         PR tree-optimization/52424
780         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
781         calling dom_thread_across_edge.
782
783 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
784
785         * config/avr/avr.c: Move definition of TARGET macros to end of file.
786
787 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
788
789         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
790         * config/avr/avr.c (avr_output_bld): Remove unused function.
791         (avr_out_sbxx_branch): Use "%T" to print bit position.
792
793 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
794
795         * config/avr/avr.md: Untabify.
796
797 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
798
799         * config/avr/avr.md (eqne): New code iterator.
800         (*dec-and-branchsi): Use it in text peephole's condition.
801         (*dec-and-branchhi): Ditto.
802         (*dec-and-branchqi): Ditto.
803
804 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
805
806         PR target/49939
807         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
808         the device does not have the skip-bug.
809
810 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
811
812         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
813         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
814         -mpretend-cmove): New.
815
816 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
817
818         PR bootstrap/52397
819         * df.h (struct df_d): Adjust comment that hard_regs_live_count
820         doesn't count DEBUG_INSN refs.
821         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
822         for DEBUG_INSN refs.
823
824 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
825
826         Partially revert:
827
828         2012-02-20  Richard Guenther  <rguenther@suse.de>
829         PR tree-optimization/52298
830         * tree-vect-stmts.c (vectorizable_load): Properly use
831         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
832         outer loops.
833
834 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
835
836         PR middle-end/51752
837         * gimple.h (gimple_in_transaction): New.
838         (gimple_set_in_transaction): New.
839         (struct gimple_statement_base): Add in_transaction field.
840         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
841         transaction loads.
842         (tree_ssa_lim_initialize): Compute transaction bits.
843         * tree.h (compute_transaction_bits): Protoize.
844         * trans-mem.c (tm_region_init): Use the heap to store BB
845         auxilliary data.
846         (compute_transaction_bits): New.
847
848 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
849
850         * gcc.c (display_help): Document --help=common and sort entries
851         alphabetically.
852
853 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
854
855         * doc/install.texi: Document check-$LANG specific shortcuts
856
857 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
858
859         PR target/51534
860         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
861         and vcgtu.
862         * config/arm/arm_neon.h: Regenerate.
863         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
864         (neon_vcgeu): New insn.
865         (neon_vcgtu): Likewise.
866         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
867         (ops): Unsigned comparison intrinsics call a different
868         builtin.
869
870 2012-02-28  Richard Guenther  <rguenther@suse.de>
871
872         PR target/52407
873         * config/i386/i386.c (ix86_expand_vector_set): Fix element
874         ordering for the VEC_CONCAT for two element vectors for
875         V2SFmode, V2SImode and V2DImode.
876
877 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
878
879         PR target/49448
880         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
881         detecting big-endian triplets.
882
883 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
884
885         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
886         mode if there is no type information available.
887
888 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
889
890         PR tree-optimization/53207
891         * doc/invoke.texi: Document as experimental and relying on graphite.
892
893 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
894
895         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
896         of initializer to changes from r184614.
897
898 2012-02-28  Richard Guenther  <rguenther@suse.de>
899
900         PR tree-optimization/52395
901         * tree-sra.c (build_ref_for_offset): Also look at the base
902         TYPE_ALIGN when figuring out the alignment of the replacement.
903
904 2012-02-28  Richard Guenther  <rguenther@suse.de>
905
906         PR tree-optimization/52402
907         * ipa-prop.c (ipa_modify_call_arguments): Properly use
908         mis-aligned types when creating the accesses at the call site.
909
910 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
911
912         * config/avr/builtins.def: New file.
913         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
914         * config/avr/avr.c (enum avr_builtin_id): Use it.
915         (avr_init_builtins): Use it. And use avr_bdesc.
916         (bdesc_1arg): Remove.
917         (bdesc_2arg): Remove.
918         (bdesc_3arg): Remove.
919         (struct avr_builtin_description): Add field n_args.
920         (avr_bdesc): New static variable using builtins.def.
921         (avr_expand_builtin): Use it.
922         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
923         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
924         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
925
926 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
927
928         PR target/52148
929         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
930         match only one single hard register with respective hard reg rtx.
931         (movmemx_<mode>): Ditto.
932         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
933         insn anatomy of movmem[x]_<mode>.
934         (avr_out_movmem): Same for printing assembler and operand usage.
935
936 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
937
938         PR target/49868
939         PR target/52261
940         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
941         address spaces located outside of device flash.
942
943         * config/avr/avr.h (base_arch_s): Remove field n_segments.
944         (mcu_type_s): Add field n_flash.
945         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
946         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
947         (AVR_MCU): Add N_FLASH argument.
948         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
949         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
950         macro __FLASH<n> if that address space makes sense for the device.
951         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
952         outside of target flash.
953         (avr_asm_named_section): Ditto.
954         (avr_asm_select_section): Ditto.
955         (avr_addr_space_convert): Ditto.
956         (avr_emit_movmemhi): Ditto.
957         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
958         address space is outside of device flash.
959         (avr_insert_attributes): Ditto.
960         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
961         avr_current_arch->n_segments.
962
963 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
964
965         PR target/52352
966         * config/i386/i386.md (*movabs<mode>_1): Enable only for
967         TARGET_LP64.
968         (*movabs<mode>_2): Likewise.
969
970 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
971
972         PR target/52375
973         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
974         s_register_operand in the test instead of REG_P.  Don't call
975         gen_reg_rtx if it won't be used.
976
977         PR tree-optimization/52376
978         * ipa-split.c (split_function): Ignore CLOBBER stmts.
979
980 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
981
982         * ifcvt.c (noce_get_condition): Check condition variable is not
983         small_register_classes_for_mode_p before accepting.
984
985 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
986
987         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
988
989 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
990
991         Revert:
992         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
993         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
994         tuning parameters.
995         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
996
997 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
998
999         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1000
1001 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1002
1003         * config/sh/predicates.md: Remove blank lines.
1004         * config/sh/sh.c: Fix typos in comments.
1005         * config/sh/constraints.md: Likewise.
1006         * config/sh/sh.md: Remove blank lines.
1007         Fix typos in comments.  Use ;; as comment characters.
1008
1009 2012-02-26  Walter Lee  <walt@tilera.com>
1010
1011         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1012         (replace_mov_pcrel_step2): Ditto.
1013
1014 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1015
1016         PR debug/52001
1017         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1018         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1019         and locs that reference values newer than the non-canonical value
1020         at hand.  Return the canonical value as a worst case.
1021         (memrefs_conflict_p): Walk canonical value's locs.
1022
1023         PR debug/52001
1024         * cselib.c (preserve_only_constants): Rename to...
1025         (preserve_constants_and_equivs): ... this.  Split out...
1026         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1027         of other preserved expressions too.
1028         (cselib_reset_table): Adjust.
1029         * var-tracking.c (reverse_op): Use canonical value to build
1030         reverse operation.
1031
1032 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1033
1034         * config/i386/i386.c (ix86_delegitimize_address): Handle
1035         UNSPEC_PCREL plus displacement.
1036
1037 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1038
1039         PR target/52261
1040         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1041         to test for unusedness in st X addressing.
1042
1043 2012-02-24  Richard Guenther  <rguenther@suse.de>
1044
1045         PR middle-end/52361
1046         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1047         (is_gimple_reg_type): Move inline ...
1048         * gimple.h (is_gimple_reg_type): ... here.
1049
1050 2012-02-24  Richard Guenther  <rguenther@suse.de>
1051
1052         PR middle-end/52361
1053         * passes.c (execute_function_todo): When verifying SSA form
1054         verify gimple form first.
1055         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1056
1057 2012-02-24  Richard Guenther  <rguenther@suse.de>
1058
1059         PR middle-end/52355
1060         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1061         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1062
1063 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1064
1065         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1066
1067 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1068
1069         * tree-phinodes.c (make_phi_node): Mark static.
1070         * tree-flow.h (make_phi_node): Remove extern decl.
1071         * doc/gimple.texi (make_phi_node): Remove documentation.
1072
1073 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1074
1075         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1076         * tree-ssa-sccvn.c (print_scc): Ditto.
1077
1078 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1079
1080         * doc/passes.texi (Full redundancy elimination): Fix typo.
1081
1082 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1083
1084         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1085
1086 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1087
1088         PR bootstrap/52287
1089         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1090
1091 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1092
1093         PR c/52290
1094         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1095
1096 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1097
1098         * config/avr/avr.md (code_stdname): Add ior, xor.
1099         (xior): New code iterator.
1100         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1101         (*<code_stdname><mode>qi.byte1-3): Ditto.
1102
1103 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1104
1105         PR tree-optimization/52019
1106         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1107         CLOBBER stmts.
1108
1109 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1110
1111         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1112         HAVE_INITFINI_ARRAY to work around namespace pollution in
1113         certain versions of newlib system headers.
1114         * config.in: Regenerate.
1115         * configure: Regenerate.
1116         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1117         instead of HAVE_INITFINI_ARRAY.
1118
1119 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1120
1121         PR target/52330
1122         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1123         is not offsettable memory reference.
1124
1125 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1126
1127         PR target/18145
1128         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1129         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1130
1131 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1132
1133         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1134         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1135
1136 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1137
1138         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1139         library on Solaris 8 even without TLS support.
1140         * configure: Regenerate.
1141
1142 2012-02-22  Richard Guenther  <rguenther@suse.de>
1143
1144         PR middle-end/52329
1145         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1146         for GIMPLE_DEBUG stmts.
1147
1148 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1149
1150         PR middle-end/51782
1151         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1152         according to the base object.
1153
1154 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1155
1156         PR rtl-optimization/50063
1157         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1158         and 2 (8-bit SP) in operand 2.
1159         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1160         setup to use movhi_sp_r instead of vanilla move to write SP.
1161         Adjust REG_CFA notes to superseed unspec.
1162         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1163         of vanilla move.
1164         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1165         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1166         irq_state 1 (IRQ known to be on) here.
1167
1168 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1169
1170         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1171         WORDS_BIG_ENDIAN.
1172         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1173         assign_hard_reg): Likewise.
1174
1175 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1176
1177         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1178
1179 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1180
1181         * config/avr/avr.md
1182         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1183         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1184
1185 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1186
1187         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1188         prototype from here to...
1189         * config/avr/avr.h: ...here.
1190
1191 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1192
1193         PR target/52294
1194         * thumb2.md (thumb2_shiftsi3_short): Split register and
1195         immediate shifts.  For register shifts tie operands 0 and 1.
1196         (peephole2 for above): Check that register-controlled shifts
1197         have suitably tied operands.
1198
1199 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1200
1201         PR target/52137
1202         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1203         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1204         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1205         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1206         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1207         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1208         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1209         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1210         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1211         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1212         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1213         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1214         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1215         bdver1_ssevector_avx256_unaligned_load,
1216         bdver1_ssevector_sse128_unaligned_load,
1217         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1218         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1219         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1220         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1221         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1222         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1223         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1224         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1225         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1226         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1227         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1228         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1229         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1230         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1231         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1232         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1233         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1234         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1235         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1236         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1237         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1238         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1239         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1240         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1241         bdver1_ssediv_double_load, bdver1_ssediv_double,
1242         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1243         Add "bdver2" attribute.
1244
1245 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1246
1247         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1248         default if possible and not specified otherwise.
1249
1250 2012-02-21  Richard Guenther  <rguenther@suse.de>
1251
1252         PR middle-end/52314
1253         * gimplify.c (create_tmp_from_val): Use the main variant type
1254         for the type of the temporary we create.
1255
1256 2012-02-21  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/52324
1259         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1260         do not gimplify a MEM_REF address operand if it is already
1261         in suitable form.
1262
1263 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1264
1265         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1266         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1267
1268 2012-02-21  Richard Guenther  <rguenther@suse.de>
1269
1270         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1271         nested_in_vect_loop.
1272
1273 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1274
1275         PR tree-optimization/52318
1276         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1277         vdef also to non-pure/const call stmts in the sequence.
1278
1279 2012-02-20  David S. Miller  <davem@davemloft.net>
1280
1281         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1282         don't use the "rd %pc" instruction on v9 for PIC register loads.
1283
1284 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1285
1286         PR middle-end/52141
1287         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1288         in a transaction safe function.
1289
1290 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1291
1292         PR target/52238
1293         * stor-layout.c (place_field): Handle desired_align for
1294         ms-bitfields, too.
1295
1296 2012-02-20  Richard Guenther  <rguenther@suse.de>
1297
1298         PR tree-optimization/52298
1299         * tree-vect-stmts.c (vectorizable_store): Properly use
1300         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1301         outer loops.
1302         (vectorizable_load): Likewise.
1303         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1304         Access DR_STEP after ensuring it is not NULL.
1305
1306 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1307
1308         PR tree-optimization/52286
1309         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1310         optimization use double_int_to_tree instead of build_int_cst_wide,
1311         rewrite to use double_int vars.
1312
1313 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1314
1315         PR target/50166
1316         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1317         Define _start.
1318         Remove -e 0 from $gcc_cv_ld invocation.
1319         Only use __GLIBC_PREREQ if defined.
1320         Enable on Solaris since Solaris 8 patch.
1321         (gcc_SUN_LD_VERSION): New macro.
1322         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1323         gcc_SUN_LD_VERSION for version number format.
1324         * configure: Regenerate.
1325         * varasm.c (get_elf_initfini_array_priority_section): Set
1326         SECTION_NOTYPE for non-default priority.
1327         Use get_section instead of get_unnamed_section to emit
1328         .init_array/.fini_array with default priority.
1329
1330 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1331
1332         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1333         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1334         (mips_start_unique_function, mips_output_mips16_rdhwr)
1335         (mips_code_end): New functions.
1336         (TARGET_ASM_CODE_END): Define.
1337
1338 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1339
1340         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1341         to stubs with non-sibling calls.
1342
1343 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1344
1345         * doc/invoke.texi (-fira-* options): Copy-edit.
1346         (ira-* parameters): Copy-edit.
1347
1348 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1349
1350         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1351         GCC coding conventions.
1352
1353 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1354
1355         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1356         when used as adjectives.
1357
1358 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1359
1360         * doc/invoke.texi: Clean up "that"/"which" confusion.
1361
1362 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1363
1364         * system.h: Poison SMALL_REGISTER_CLASSES
1365         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1366         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1367
1368 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1369
1370         PR tree-optimization/52285
1371         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1372         when deciding if a call is a tail call or tail recursion.
1373
1374 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1375
1376         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1377         interger-constant displacement for UNSPEC_PCREL.
1378
1379 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1380
1381         PR rtl-optimization/52208
1382         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1383         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1384
1385         PR tree-optimization/52255
1386         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1387         loop->header has virtual PHI, but exit_e->dest doesn't, add
1388         virtual PHI to exit_e->dest and adjust all uses after the loop.
1389
1390         PR debug/52260
1391         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1392         children with clone_tree_hash, not after it.
1393
1394 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1395
1396         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1397         extended identifiers.
1398
1399 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1400
1401         PR middle-end/51929
1402         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1403         a same_body_alias, also test whether e->callee isn't a former
1404         or current clone of the decl this is a same body alias of.
1405
1406         PR translation/52264
1407         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1408
1409 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1410
1411         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1412
1413 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1414
1415         PR target/52199
1416         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1417         force_reg instead of copy_to_reg for better optimization.  Force
1418         non-register or memory operands into a register.
1419
1420 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1421
1422         * extend.texi: Reserve upper bits of memory model for future use.
1423
1424 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1425             Anatoly Sokolov <aesok@post.ru>
1426             Eric Weddington <eric.weddington@atmel.com>
1427
1428         PR target/52261
1429         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1430         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1431         Rewrite initializers for .macro.
1432         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1433         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1434         atxmega32d4, atxmega32x1.
1435         avrxmega4: atxmega64a3, atxmega64d3.
1436         avrxmega5: atxmega64a1, atxmega64a1u.
1437         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1438         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1439         avrxmega7: atxmega128a1, atxmega128a1u.
1440         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1441         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1442         (struct base_arch_s): Rename reserved to xmega_p.
1443         Rename reserved2 to have_rampd.
1444         (AVR_XMEGA): New define.
1445         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1446         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1447         * config/avr/predicates.md (io_address_operand): Take into
1448         account SFR offset.
1449         (low_io_address_operand): Ditto.
1450         (high_io_address_operand): Ditto.
1451         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1452         (enabled, movhi_sp_r): Use them.
1453         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1454         cpp_define_formatted to built-in define __AVR_ARCH__.
1455         (__AVR_XMEGA__): New built-in define.
1456         (__AVR_HAVE_RAMPD__): New built-in define.
1457         (__AVR_HAVE_RAMPX__): New built-in define.
1458         (__AVR_HAVE_RAMPY__): New built-in define.
1459         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1460
1461         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1462         (avr_option_override): Initialize them.
1463         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1464         (avr_init_expanders): Initialize them. No more block several calls.
1465         (emit_push_sfr): New static function.
1466         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1467         Handle AVR_XMEGA.
1468         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1469         (avr_print_operand): Print addreeses as symbols for
1470         RAMPX, RAMPY, RAMPD, CCP.
1471         (output_movhi): Handle AVR_XMEGA when writing to SP.
1472         (avr_out_movhi_mr_r_xmega): New static function.
1473         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1474         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1475         __RAMPD__,  __CCP__ as needed.
1476
1477         * config/avr/multilib.h: Regenerate.
1478         * config/avr/t-multilib: Regenerate.
1479         * config/avr/avr-tables.opt: Regenerate.
1480
1481 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1482
1483         PR tree-optimization/50561
1484         * graphite-flattening.c (lst_project_loop): Do not
1485         remove old scattering dimensions after flattening.
1486         (lst_do_flatten): Likewise.
1487
1488 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1489
1490         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1491         __builtin_avr_map8, __builtin_avr_map16.
1492         Document __builtin_avr_insert_bits.
1493
1494         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1495         (insert_bits): New insn.
1496         (adjust_len.map_bits): Rename to insert_bits.
1497         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1498         * avr-protos.h (avr_out_map_bits): Remove.
1499         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1500         * config/avr/constraints.md (Cxf,C0f): New.
1501         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1502         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1503         New built-in define __BUILTIN_AVR_INSERT_BITS.
1504         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1505         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1506         (avr_move_bits): Rewrite.
1507         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1508         functions.
1509         (avr_map_op_t): New typedef.
1510         (avr_map_op): New static variable.
1511         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1512         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1513         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1514         (bdesc_3arg, avr_expand_triop_builtin): New.
1515         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1516         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1517         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1518         (avr_map_equal_p, avr_map_sig_p): Remove.
1519         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1520         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1521         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1522         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1523         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1524         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1525
1526 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1527
1528         * config/c6x/c6x.md (reserve_cycles): New attribute.
1529         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1530         don't reserve functional units after the branch occurs.
1531
1532 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1533
1534         PR middle-end/52142
1535         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1536         functions into non-tm_pure functions.
1537
1538 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1539
1540         PR lto/52178
1541         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1542         (iterative_hash_canonical_type): Likewise.
1543         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1544         the dead edges.
1545
1546 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1547
1548         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1549         sched-group insn, it either remains alone or the entire list is pruned.
1550
1551 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1552
1553         * doc/install.texi (Prerequisites): Fix grammar.
1554         (Configuration): Likewise.
1555
1556 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1557
1558         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1559         MPC as part of GCC before describing configuring with --with-gmp etc.
1560         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1561         sources are present.
1562
1563 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1564
1565         PR debug/51950
1566         * dwarf2out.c (clone_tree_hash): New function.
1567         (copy_decls_walk): Use it instead of clone_tree.
1568
1569 2012-02-14  Richard Guenther  <rguenther@suse.de>
1570
1571         PR tree-optimization/52244
1572         PR tree-optimization/51528
1573         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1574         replacements for integral types.
1575
1576 2012-02-14  Walter Lee  <walt@tilera.com>
1577
1578         * config.gcc: Handle tilegx and tilepro.
1579         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1580         tilegx and tilepro.
1581         Add HAVE_AS_TLS check for tilegx and tilepro.
1582         * configure: Regenerate.
1583         * doc/contrib.texi: Add Mat Hostetter and self.
1584         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1585         Document instruction intrinsics and network accessing intrinsics.
1586         (TILEPro Built-in Functions): New node.  Document instruction
1587         intrinsics and network accessing intrinsics.
1588         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1589         (Specific, tilepro-*-linux*): Likewise.
1590         * doc/invoke.texi (TILE-Gx Options): New section.
1591         (TILEPro Options): New section.
1592         * doc/md.texi (TILE-Gx): New section.
1593         (TILEPro): New section.
1594         * common/config/tilegx/tilegx-common.c: New file.
1595         * common/config/tilepro/tilepro-common.c: New file.
1596         * config/tilegx/constraints.md: New file.
1597         * config/tilegx/linux.h: New file.
1598         * config/tilegx/mul-tables.c: New file.
1599         * config/tilegx/predicates.md: New file.
1600         * config/tilegx/sync.md: New file.
1601         * config/tilegx/t-tilegx: New file.
1602         * config/tilegx/tilegx-builtins.h: New file.
1603         * config/tilegx/tilegx-c.c: New file.
1604         * config/tilegx/tilegx-generic.md: New file.
1605         * config/tilegx/tilegx-modes.def: New file.
1606         * config/tilegx/tilegx-multiply.h: New file.
1607         * config/tilegx/tilegx-protos.h: New file.
1608         * config/tilegx/tilegx.c: New file.
1609         * config/tilegx/tilegx.h: New file.
1610         * config/tilegx/tilegx.md: New file.
1611         * config/tilegx/tilegx.opt: New file.
1612         * config/tilepro/constraints.md: New file.
1613         * config/tilepro/gen-mul-tables.cc: New file.
1614         * config/tilepro/linux.h: New file.
1615         * config/tilepro/mul-tables.c: New file.
1616         * config/tilepro/predicates.md: New file.
1617         * config/tilepro/t-tilepro: New file.
1618         * config/tilepro/tilepro-builtins.h: New file.
1619         * config/tilepro/tilepro-c.c: New file.
1620         * config/tilepro/tilepro-generic.md: New file.
1621         * config/tilepro/tilepro-modes.def: New file.
1622         * config/tilepro/tilepro-multiply.h: New file.
1623         * config/tilepro/tilepro-protos.h: New file.
1624         * config/tilepro/tilepro.c: New file.
1625         * config/tilepro/tilepro.h: New file.
1626         * config/tilepro/tilepro.md: New file.
1627         * config/tilepro/tilepro.opt: New file.
1628
1629 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1630
1631         PR tree-optimization/52210
1632         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1633         vect_model_simple_cost with two entry vect_def_type array instead
1634         of an address of dt.
1635
1636 2012-02-14  Richard Guenther  <rguenther@suse.de>
1637
1638         PR lto/52178
1639         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1640         Do not stream DECL_QUALIFIER.
1641         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1642         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1643         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1644
1645 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1646
1647         PR c/52181
1648         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1649         newdecl.
1650
1651 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1652
1653         PR bootstrap/52172
1654         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1655         * cselib.c (cselib_subst_to_values_from_insn): New function.
1656         * sched-deps.c (add_insn_mem_dependence,
1657         sched_analyze_1, sched_analyze_2): Use it.
1658
1659 2012-02-13  Jan Hubicka  <jh@suse.cz>
1660
1661         PR middle-end/52214
1662         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1663
1664 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1665
1666         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1667         (GTM_SELF_SPECS): Define if not already defined.
1668         (driver_self_specs): Add GTM_SELF_SPECS.
1669         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1670         (GTM_SELF_SPECS): Define.
1671         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1672         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1673
1674 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1675
1676         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1677         away if seen.
1678
1679         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1680
1681         PR middle-end/52230
1682         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1683         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1684
1685 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1686
1687         PR c/52190
1688         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1689
1690 2012-02-13  Richard Guenther  <rguenther@suse.de>
1691
1692         PR translation/52211
1693         * passes.c (enable_disable_pass): Fix typo.
1694
1695 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR middle-end/52209
1698         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1699         XOR for reduce_bit_field if type is unsigned.
1700
1701 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1702
1703         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1704         disallow changes from SFmode to mode with different size in FP regs.
1705
1706 2012-02-12  Robert Millan  <rmh@gnu.org>
1707             Gerald Pfeifer <gerald@pfeifer.com>
1708
1709         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1710         Tweak comment.
1711
1712 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1713
1714         PR rtl-optimization/52175
1715         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1716         to frame-related instructions.
1717
1718 2012-02-10  Jason Merrill  <jason@redhat.com>
1719
1720         PR c++/51910
1721         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1722         (demangle_new_symbols): Fill it.
1723         (scan_linker_output): Walk it.
1724         (start_tweaking): Split out from scan_linker_output.
1725         (maybe_tweak): Update sym->chosen.
1726         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1727
1728 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1729
1730         PR debug/52132
1731         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1732
1733 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1734
1735         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1736         having the same mode as previous compare.
1737
1738 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1739
1740         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1741         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1742         (nonlocal_goto_internal): Likewise.
1743         (nonlocal_goto): Emit a use and an indirect jump directly.
1744
1745 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1746
1747         PR c/52190
1748         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1749         __atomic_{is,always}_lock_free.
1750
1751 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         PR target/52146
1754         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1755         negative constant address for x32.
1756
1757 2012-02-10  Richard Henderson  <rth@redhat.com>
1758
1759         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1760         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1761         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1762
1763 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1764             Ira Rosen  <irar@il.ibm.com>
1765
1766         PR tree-optimization/50031
1767         * targhooks.c (default_builtin_vectorization_cost): Handle
1768         vec_promote_demote.
1769         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1770         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1771         all types of reduction and pattern statements.
1772         (vect_estimate_min_profitable_iters): Likewise.
1773         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1774         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1775         for explicit realigns.
1776         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1777         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1778         vec_promote_demote.
1779         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1780         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1781         vec_perm for VSX and handle vec_promote_demote.
1782
1783 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1784
1785         PR middle-end/52177
1786         * builtins.c (fold_builtin_atomic_always_lock_free,
1787         expand_builtin_atomic_always_lock_free,
1788         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1789         Return and/or test boolean_true_node/boolean_false_node instead of
1790         integer_one_node/integer_zero_node.
1791
1792 2012-02-10  Jan Hubicka  <jh@suse.cz>
1793
1794         PR middle-end/48600
1795         * predict.c (predict_paths_for_bb): Prevent looping.
1796         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1797
1798 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1799
1800         * config/arm/arm.c (output_move_double): In one case properly
1801         count number of instructions that will be emitted.
1802
1803 2012-02-10  Richard Guenther  <rguenther@suse.de>
1804
1805         PR translation/52193
1806         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1807
1808 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1809
1810         PR middle-end/52140
1811         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1812
1813 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR debug/52165
1816         * var-tracking.c (emit_note_insn_var_location): If
1817         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1818         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1819         non-NOTE_DURING_CALL_P insn.
1820
1821 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1822
1823         PR middle-end/51867
1824         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1825
1826 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1827
1828         PR driver/48524
1829         * gcc.c (switch_matches) Support switches with separated form,
1830         -D and -U.
1831
1832 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1833
1834         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1835         (SP_ADDR): Ditto.
1836         (RAMPZ_ADDR): Ditto.
1837         * config/avr/avr.c (avr_addr_t): New typedef.
1838         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1839         (avr_init_expanders): Initialize it.
1840         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1841         SREG_ADDR.
1842         (expand_epilogue): Ditto.
1843         (avr_print_operand): Ditto.
1844         (avr_file_start): Ditto.
1845         (avr_emit_movmemhi): Ditto.
1846
1847 2012-02-08  Richard Guenther  <rguenther@suse.de>
1848
1849         PR tree-optimization/46886
1850         * tree-flow.h (do_while_loop_p): Declare.
1851         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1852         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1853
1854 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1855
1856         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1857         always succeed for integers larger than a native word.
1858
1859 2012-02-08  Richard Guenther  <rguenther@suse.de>
1860
1861         PR rtl-optimization/52170
1862         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1863         properly handle integer vector modes.
1864
1865 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR gcov-profile/52150
1868         * coverage.c: Include target.h.
1869         (build_var): Call targetm.strip_name_encoding on the assembler name.
1870         Change one _ into . or $ if the target allows it.
1871         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1872
1873         PR rtl-optimization/52139
1874         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1875         is a BARRIER after emit_insn_after_noloc, move BB_END
1876         to the last non-BARRIER insn before it.
1877
1878 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1879
1880         PR middle-end/24306
1881         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1882         (mips_gimplify_va_arg_expr): Call it instead of
1883         std_gimplify_va_arg_expr.
1884
1885 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1886
1887         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1888         message for -mno-pointers-to-nested-function.
1889
1890 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1891
1892         PR middle-end/51994
1893         * expr.c (get_inner_reference): If there is an offset, add a negative
1894         bit position to it (if any).
1895
1896 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1897
1898         PR rtl-optimization/52060
1899         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1900         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1901         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1902         and/or i0src_copy2 when needed.
1903
1904 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1905
1906         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1907         or LTOPLUGINSONAME if have_c.
1908
1909         * config/freebsd-spec.h: Add comment about what macros can be defined
1910         in this header.
1911         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1912         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1913         here instead.
1914
1915 2012-02-07  Richard Guenther  <rguenther@suse.de>
1916
1917         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1918         newline in -alias dumps.
1919
1920 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1921             Dave Korn  <dave.korn.cygwin@gmail.com>
1922
1923         PR target/40068
1924         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1925         Take care that typinfo gets dllexport-attribute.
1926
1927 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR middle-end/52074
1930         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1931         if modifier < EXPAND_SUM call force_operand on the result.
1932
1933 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1934
1935         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1936         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1937         present.
1938         (epiphany_function_type): Replace types for specific interrupts with
1939         EPIPHANY_FUNCTION_INTERRUPT.
1940         (EPIPHANY_INTERRUPT_P): Update.
1941         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1942         New static function.
1943         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1944         <disinterrupt>: Affects type identity.
1945         (epiphany_handle_interrupt_attribute): Handle variable number of
1946         arguments.
1947         (epiphany_compute_function_type): Update for new
1948         epiphany_function_type definition.
1949         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1950         handlers with a longcall forwarder.
1951         (epiphany_start_function): Handle multiple interrupt arguments and/or
1952         forwarder_section attribute.
1953
1954         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1955         libgloss.
1956
1957 2012-02-07  Alan Modra  <amodra@gmail.com>
1958
1959         PR target/52107
1960         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1961         subregs of TFmode.
1962
1963 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1964
1965         PR tree-optimization/50969
1966         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1967         use vec_perm rather than vector_stmt.
1968         (vect_model_load_cost): Likewise.
1969         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1970         vec_perm to be the same as other vector statements.
1971         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1972         cost of vec_perm for TARGET_VSX.
1973
1974 2012-02-06  Richard Guenther  <rguenther@suse.de>
1975
1976         PR tree-optimization/52115
1977         * tree-sra.c (access_has_replacements_p): New function.
1978         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1979
1980 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1981
1982         PR middle-end/52047
1983         * trans-mem.c (expand_call_tm): Add an assertion.
1984         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1985         functions.
1986
1987 2012-02-06  Richard Guenther  <rguenther@suse.de>
1988
1989         PR tree-optimization/50955
1990         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1991         raise cost of expressions that replace an address with an
1992         expression based on a different pointer.
1993
1994 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1995
1996         PR target/52129
1997         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1998         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1999
2000 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2001
2002         PR c++/48680
2003         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2004         -Weffc++ and specify guidelines come from second edition.
2005
2006 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2007
2008         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2009         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2010         (call_direct_split, call_value_split, call_value_internal_direct)
2011         (call_value_direct_split, call_value_multiple_split): Use jal and
2012         jal_macro attributes.
2013
2014 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2015
2016         * reload1.c (reload_regs_reach_end_p): Replace with...
2017         (reload_reg_rtx_reaches_end_p): ...this function.
2018         (new_spill_reg_store): Update commentary.
2019         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2020         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2021         before setting new_spill_reg_store.
2022         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2023         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2024         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2025         for non-spill reload registers.
2026
2027 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2028
2029         PR tree-optimization/52091
2030         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2031         (vect_is_simple_use_1): Likewise.
2032         * tree-vect-loop.c (vectorizable_reduction): Update calls
2033         to vect_is_simple_use_1 and vect_is_simple_use.
2034         (vectorizable_live_operation): Likewise.
2035         * tree-vect-patterns.c (widened_name_p,
2036         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2037         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2038         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2039         vectorizable_shift,vectorizable_operation, vectorizable_store,
2040         vectorizable_load): Likewise.
2041         (vect_is_simple_cond): Add an argument, pass it to
2042         vect_is_simple_use_1.
2043         (vectorizable_condition): Update calls to vect_is_simple_cond,
2044         vect_is_simple_use.
2045         (vect_is_simple_use): Add an argument, the statement in which
2046         OPERAND is used.  Check that if OPERAND's def stmt is a double
2047         reduction phi node, the use is a phi node too.
2048         (vect_is_simple_use_1): Add an argument, pass it to
2049         vect_is_simple_use.
2050         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2051         to vect_is_simple_use.
2052
2053 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2054
2055         PR rtl-optimization/52095
2056         * modulo-sched.c (dump_insn_locator): New function.
2057         (loop_canon_p, sms_schedule): Use it.
2058
2059         PR rtl-optimization/52113
2060         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2061         even for decomposable shift/zext insns.
2062
2063 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2064             Zdenek Dvorak  <ook@ucw.cz>
2065
2066         PR rtl-optimization/52092
2067         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2068         on get_iv_value result.
2069
2070 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2071
2072         PR middle-end/47982
2073         PR middle-end/43967
2074         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2075
2076 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2077
2078         PR middle-end/48071
2079         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2080
2081 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2082
2083         PR rtl-optimization/49800
2084         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2085         (sched_finish): Call regstat_free_n_sets_and_refs.
2086
2087 2012-02-02  Jia Liu  <proljc@gmail.com>
2088
2089         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2090         than operand 2.
2091
2092 2012-02-02  Jan Hubicka  <jh@suse.cz>
2093             Tom de Vries  <tom@codesourcery.com>
2094
2095         PR middle-end/51998
2096         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2097         * varpool.c (varpool_analyze_pending_decls): Likewise.
2098
2099 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2100             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2101
2102         * config.gcc: Add cr16-* support.
2103
2104         * doc/extend.texi: Document cr16 extensions.
2105         * doc/install.texi: Document cr16 install.
2106         * doc/invoke.texi: Document cr16 options.
2107         * doc/md.texi: Document cr16 constraints.
2108
2109         * common/config/cr16/cr16-common.c: New file.
2110         * config/cr16/cr16.c: New file.
2111         * config/cr16/cr16.h: New file.
2112         * config/cr16/cr16.md: New file.
2113         * config/cr16/cr16.opt: New file.
2114         * config/cr16/cr16-protos.h: New file.
2115         * config/cr16/predicates.md: New file.
2116         * config/cr16/constraints.md: New file.
2117         * config/cr16/t-cr16: New file.
2118
2119 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2120
2121         PR target/52086
2122         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2123         that operands[2] is either immediate, or q_regs_operand.
2124
2125         PR tree-optimization/52073
2126         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2127         a pattern stmt for pattern uses, ignore uses outside of the loop.
2128
2129 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2130
2131         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2132         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2133         (OUT_AS1, OUT_AS2): Remove.
2134
2135 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2136
2137         PR rtl-optimization/51374
2138         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2139         to cross other volatile_refs_p insns.
2140
2141 2012-02-01  Richard Guenther  <rguenther@suse.de>
2142
2143         * doc/invoke.texi (fno-inline): Clarify documentation.
2144         (finline-small-functions): Likewise.
2145         (finline-functions): Likewise.
2146         * common.opt (finline): Adjust comment and documentation.
2147         (finline-small-functions): Clarify documentation.
2148         (finline-functions): Likewise.
2149         (finline-functions-called-once): Likewise.
2150
2151 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2152
2153         * c-typeck.c (composite_type): Keep mode for pointers.
2154
2155 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2156
2157         * function.h (regno_reg_rtx): Adjust comment.
2158         * reginfo.c (init_reg_modes_target): Only use the previous mode
2159         if it fits within one register.  Remove MIPS comment.
2160
2161 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2162
2163         PR bootstrap/52058
2164         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2165
2166 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2167
2168         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2169         to srak instruction.
2170
2171 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2172
2173         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2174
2175 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2176
2177         PR bootstrap/52041
2178         PR bootstrap/52039
2179         PR target/51974
2180         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2181
2182 2012-01-31  Richard Guenther  <rguenther@suse.de>
2183
2184         PR tree-optimization/51528
2185         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2186         assigns.
2187
2188 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2189
2190         PR bootstrap/52041
2191         PR bootstrap/52039
2192         PR target/51974
2193         * ree.c (add_removable_extension): Change def_map argument
2194         to unsigned *, store in def_map 1 + offset into *insn_list vector
2195         instead of pointers into the vector.
2196         (find_removable_extensions): Adjust caller.
2197
2198 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2199
2200         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2201         Transform all "* quoted-c-code" to { c-code }.
2202         Remove redundant test for "optimize" in combine patterns.
2203         Move (include "avr-dimode.md") to end of file.
2204
2205 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2206
2207         PR target/51835
2208         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2209         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2210
2211 2012-01-30  Richard Guenther  <rguenther@suse.de>
2212
2213         PR tree-optimization/52028
2214         * tree-loop-distribution.c (ldist_gen): Properly update
2215         virtual SSA form.
2216
2217 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2218
2219         PR debug/52027
2220         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2221         set_cur_line_info_table if not emitting debug info.
2222
2223         PR tree-optimization/52046
2224         * tree-vect-patterns.c (check_bool_pattern): Give up if
2225         a comparison could throw.
2226
2227         PR debug/52048
2228         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2229
2230 2012-01-30  Richard Guenther  <rguenther@suse.de>
2231
2232         PR tree-optimization/52045
2233         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2234         SSA form if cfgcleanup did anything.
2235
2236 2012-01-30  Richard Guenther  <rguenther@suse.de>
2237
2238         PR tree-optimization/52045
2239         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2240         before computing final todo.
2241
2242 2012-01-30  Richard Guenther  <rguenther@suse.de>
2243
2244         PR tree-optimization/51528
2245         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2246         for PR51528 fix.
2247
2248 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2249
2250         * df-problems.c (df_kill_notes): Check that the use refers
2251         to the note under examination.
2252
2253 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2254
2255         PR target/51920
2256         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2257         parameter and use short-lived pseudos.
2258         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2259         (sparc_expand_vector_init): Const-ify local variables and adjust
2260         calls to above functions.
2261
2262 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2263
2264         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2265
2266 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2267
2268         * doc/invoke.texi: Make usage of "compile time" and
2269         "run time"/"runtime" consistent throughout the file.
2270
2271 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2272
2273         * config/alpha/alpha.c (alpha_option_override): Default to
2274         full IEEE compliance mode for Go language.
2275
2276 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2277
2278         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2279         (LINK_SSP_SPEC): Define.
2280
2281 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2282
2283         PR target/51871
2284         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2285         stubs.
2286
2287 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2288
2289         * doc/invoke.texi: Correct hyphenation of "floating point",
2290         "double precision", and related terminology throughout the file.
2291
2292 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2293
2294         PR target/52006
2295         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2296         arm_general_register_operand predicate for operand 2 instead of
2297         register_operand.
2298
2299 2012-01-27  Ian Lance Taylor  <iant@google.com>
2300
2301         PR go/47656
2302         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2303         * builtins.c (expand_builtin_init_trampoline): Add onstack
2304         parameter.  Change caller.
2305         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2306         * tree.c (build_common_builtin_nodes): Declare
2307         __builtin_init_heap_trampoline.
2308
2309 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2310
2311         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2312         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2313         * config/avr/avr.c: Ditto.
2314         (avr_regnames): Remove because unused.
2315         * config/avr/avr.md (*cpse.ne): New peephole.
2316         (*cpse.eq): New peephole from former cpse peepholes.
2317
2318 2012-01-27  Michael Eager  <eager@eagercon.com>
2319
2320         * config/microblaze.c (microblaze_emit_compare): Correct
2321         test after pcmp instruction.
2322
2323 2012-01-27  Richard Guenther  <rguenther@suse.de>
2324
2325         PR tree-optimization/52020
2326         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2327
2328 2012-01-27  Richard Guenther  <rguenther@suse.de>
2329
2330         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2331         function non-const/pure.
2332
2333 2012-01-27  Richard Guenther  <rguenther@suse.de>
2334
2335         PR tree-optimization/50444
2336         * tree-sra.c (build_ref_for_offset): Properly adjust the
2337         MEM_REF type for unaligned accesses.
2338
2339 2012-01-27  Richard Guenther  <rguenther@suse.de>
2340
2341         PR tree-optimization/50444
2342         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2343         (expand_assignment): Use it.  Properly handle misaligned
2344         bases when expanding stores to component references.
2345         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2346         refactor that case.
2347
2348 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2349
2350         PR middle-end/51389
2351         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2352         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2353         * tree-data-ref.c (find_data_references_in_loop): Make static.
2354         (compute_all_dependences): Change return type to bool.  Bail out
2355         for too many datarefs in a loop.  Move the hunk resetting the data
2356         dependences vector from ...
2357         (compute_data_dependences_for_loop): ... here.  Account for
2358         compute_all_dependences returning false.
2359         (compute_data_dependences_for_bb): Likewise.
2360         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2361         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2362
2363 2012-01-27  Richard Guenther  <rguenther@suse.de>
2364
2365         PR middle-end/51959
2366         * expr.c (store_field): Use the alias-set of the scratch memory
2367         for storing to it.
2368
2369 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2370
2371         PR tree-optimization/51990
2372         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2373         WITH_SIZE_EXPR.
2374         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2375
2376 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2377
2378         PR debug/52001
2379         * var-tracking.c (reverse_op): Don't add any reverse operation
2380         if V already has any constant locations.
2381
2382 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2383
2384         * doc/invoke.texi: Correct usage of "command line" (noun)
2385         vs "command-line" (adjective) throughout.
2386
2387 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2388
2389         * doc/invoke.texi (Language Independent Options): Move
2390         -Wcoverage-mismatch blurb from here....
2391         (Warning Options): ...to here.
2392
2393 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2394
2395         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2396         Set rs6000_always_hint to false for 476.
2397
2398 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2399
2400         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2401           system root.
2402         * incpath.c (add_standard_paths): Likewise.
2403
2404 2012-01-27  Richard Henderson  <rth@redhat.com>
2405
2406         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2407         * config/m68k/sync.md (atomic_test_and_set): Rename from
2408         sync_test_and_setqi and adjust the operands.
2409         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2410         and unconditionally enable.
2411
2412 2012-01-27  Richard Henderson  <rth@redhat.com>
2413
2414         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2415         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2416         (ldstub): Rename from ldstubqi.
2417         (ldstub<I24MODE>): Remove.
2418
2419 2012-01-27  Richard Henderson  <rth@redhat.com>
2420
2421         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2422         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2423         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2424         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2425         * doc/tm.texi: Rebuild.
2426
2427 2012-01-27  Richard Henderson  <rth@redhat.com>
2428
2429         * optabs.c (gen_atomic_test_and_set): Remove default.
2430         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2431
2432 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2433
2434         PR rtl-optimization/51978
2435         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2436         (combine_reaching_defs): Likewise.
2437         (struct re_info): Remove.
2438         (add_removable_extension): Remove x and data arguments,
2439         add insn, insn_list and def_map.  Use the arguments directly
2440         instead of using struct re_info.
2441         (find_removable_extensions): Don't call add_removable_extension
2442         through note_stores, instead just call it with single_set
2443         result if non-NULL.
2444         (find_and_remove_re): Pass curr_cand->expr instead of
2445         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2446
2447 2012-01-26  Michael Matz  <matz@suse.de>
2448
2449         PR tree-optimization/46590
2450         * cfgexpand.c: Revert last change (r183305).
2451         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2452         regs.
2453         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2454         checking for emptiness.
2455
2456 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2457
2458         PR middle-end/51895
2459         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2460         non-addressable non-BLKmode base correctly.
2461
2462 2012-01-26  Michael Matz  <matz@suse.de>
2463
2464         PR tree-optimization/48794
2465         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2466         regions referenced from RESX/EH_DISPATCH.
2467
2468 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2469
2470         * config/s390/s390.h: Make BRANCH_COST an option.
2471         * config/s390/s390.opt: New option -mbranch-cost.
2472
2473 2012-01-26  Richard Henderson  <rth@redhat.com>
2474
2475         Revert 2012-01-24 change:
2476         * trans-mem.c (requires_barrier): Do not instrument thread local
2477         variables and emit save/restore for them.
2478
2479 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2480
2481         PR middle-end/51986
2482         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2483         for pat == 0.
2484
2485 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2486
2487         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2488         ASM_OPERANDS.
2489
2490 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2491
2492         PR target/49868
2493         Rename __pgm to __flash.
2494         Rename __pgm1 to __flash1.
2495         Rename __pgm2 to __flash2.
2496         Rename __pgm3 to __flash3.
2497         Rename __pgm4 to __flash4.
2498         Rename __pgm5 to __flash5.
2499         Rename __pgmx to __memx.
2500         * doc/extend.texi (AVR Named Address Spaces)
2501         Rename address space names as indicated above.
2502         * config/avr/avr.c (avr_addrspace): Ditto.
2503
2504         * config/avr/avr-protos.h
2505         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2506         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2507         * config/avr/predicates.md: Ditto.
2508         * config/avr/avr.c Ditto, and
2509         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2510         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2511
2512         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2513         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2514         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2515         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2516         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2517         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2518         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2519         * config/avr/avr.c: Ditto.
2520         * config/avr/avr.md: Ditto.
2521
2522 2012-01-25  Jason Merrill  <jason@redhat.com>
2523
2524         PR c++/51992
2525         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2526
2527 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2528
2529         PR tree-optimization/51987
2530         * tree-data-ref.c (get_references_in_stmt): Handle references in
2531         non-volatile GIMPLE_ASM.
2532
2533 2012-01-25  Richard Guenther  <rguenther@suse.de>
2534
2535         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2536         bases are dereferenced.
2537
2538 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2539
2540         PR rtl-optimization/48374
2541         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2542
2543 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2544
2545         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2546         compute_data_dependences_for_loop returns false.
2547         * tree-parloops.c (loop_parallel_p): Likewise.
2548
2549 2012-01-25  Richard Guenther  <rguenther@suse.de>
2550
2551         * tree.h (get_pointer_alignment_1): Declare.
2552         * builtins.c (get_pointer_alignment_1): New function.
2553         (get_pointer_alignment): Use it.
2554
2555 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2556
2557         PR rtl-optimization/48308
2558         * combine.c (enum undo_kind): Add UNDO_LINKS.
2559         (struct undo): Add member l to other_contents and where.
2560         (do_SUBST_LINK): New.
2561         (SUBST_LINK): New.
2562         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2563         (undo_all): Handle UNDO_LINKS.
2564
2565 2012-01-25  Richard Henderson  <rth@redhat.com>
2566
2567         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2568         mem inputs.
2569
2570 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2571
2572         * optabs.c (gen_atomic_test_and_set): Use each argument.
2573
2574 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2575
2576         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2577         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2578         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2579         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2580         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2581         TARGET_PAIRED_SINGLE_FLOAT.
2582
2583 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2584
2585         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2586         (in_struct, return_val): Remove MEM documentation.
2587         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2588         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2589         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2590         and MEM_SCALAR.
2591         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2592         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2593         * expr.c (store_field): Likewise.
2594         * function.c (assign_stack_temp_for_type): Likewise.
2595         * ifcvt.c (noce_try_cmove_arith): Likewise.
2596         * reload1.c (reload): Likewise.
2597         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2598         (alpha_set_memflags): Likewise.
2599         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2600
2601 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2602
2603         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2604         parameter.
2605         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2606         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2607         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2608         varies parameter.
2609         * cselib.c (cselib_rtx_varies_p): Delete.
2610         (cselib_invalidate_mem): Update call to canon_true_dependence.
2611         * dse.c (record_store, check_mem_read_rtx): Likewise.
2612         (scan_reads_nospill): Likewise.
2613         * cse.c (check_dependence): Likewise.
2614         (cse_rtx_varies_p): Delete.
2615         * expr.c (safe_from_p): Update call to true_dependence.
2616         * ira.c (validate_equiv_mem_from_store): Likewise.
2617         (memref_referenced_p): Likewise.
2618         * postreload-gcse.c (find_mem_conflicts): Likewise.
2619         * sched-deps.c (sched_analyze_2): Likewise.
2620         * store-motion.c (load_kills_store): Likewise.
2621         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2622         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2623         (compute_transp): Update call to canon_true_dependence.
2624
2625 2012-01-25  Richard Henderson  <rth@redhat.com>
2626
2627         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2628         (maybe_emit_atomic_test_and_set): New.
2629         (expand_sync_lock_test_and_set): Use it.
2630         (expand_atomic_test_and_set): Likewise.
2631         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2632         the implementation; clarify implementation defined details.
2633         * doc/md.texi (atomic_test_and_set): Document.
2634
2635 2012-01-25  Richard Henderson  <rth@redhat.com>
2636
2637         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2638
2639 2012-01-25  Richard Henderson  <rth@redhat.com>
2640
2641         PR target/51968
2642         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2643         to effect no-op split.
2644
2645 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2646
2647         PR lto/51698
2648         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2649         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2650         (BT_FN_VOID_PTR_INT_SIZE): New.
2651         (BT_FN_UINT_UINT_VAR): Remove.
2652         (BT_FN_UINT32_UINT32_VAR): New.
2653         (BT_FN_DOUBLE_VPTR): Remove.
2654         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2655
2656         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2657         (_ITM_changeTransactionMode): Same.
2658         (_ITM_memmoveRtWt): Change return type to void.
2659         (_ITM_memcpyRtWt): Same.
2660         (_ITM_memsetW): Same.
2661         (_ITM_RaRD): Change types to double.
2662         (_ITM_RD): Same.
2663         (_ITM_RaWD): Same.
2664         (_ITM_RfWD): Same.
2665
2666         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2667
2668 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2669             Patrick Marlier  <patrick.marlier@gmail.com>
2670
2671         * trans-mem.c (requires_barrier): Do not instrument thread local
2672         variables and emit save/restore for them.
2673
2674 2012-01-24  Jason Merrill  <jason@redhat.com>
2675
2676         PR c++/51812
2677         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2678         output static aliases.
2679
2680 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2681
2682         PR driver/47249
2683         * common.opt (-pie, -shared, pie, shared): Change from Common to
2684         Driver.
2685         * gcc.c (display_help): Display help for -pie and -shared.
2686
2687 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2688
2689         PR target/49868
2690         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2691         Remove note on size/offset limitation.
2692         (AVR Variable Attributes): Add example how to read data located
2693         with progmem.  Refer to named address spaces.
2694         * doc/invoke.texi (AVR Options): Fix typo.
2695
2696 2012-01-24  Richard Guenther  <rguenther@suse.de>
2697
2698         Forward-port to trunk
2699         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2700
2701         PR middle-end/45678
2702         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2703         op0 isn't sufficiently aligned and there is movmisalignM
2704         insn for mode, use it to load op0 into a temporary register.
2705
2706 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR target/51957
2709         * target.def (const_not_ok_for_debug_p): New hook.
2710         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2711         documentation.
2712         * doc/tm.texi: Regenerated.
2713         * dwarf2out.c (const_ok_for_output_1): If
2714         targetm.const_not_ok_for_debug_p returns true, fail.
2715         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2716         function.
2717         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2718
2719 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2720
2721         PR target/51900
2722         * config/i386/predicates.md (symbolic_operand): Allow
2723         UNSPEC_PCREL as PIC expression for lea.
2724         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2725         * config/i386/i386.c (ix86_delegitimize_address): Handle
2726         UNSPEC_PCREL for none-MEM, too.
2727
2728 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2729
2730         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2731         (ipa_tm_create_version_alias): Same.
2732
2733 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         PR libitm/51830
2736         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2737         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2738
2739 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2740             Patrick Marlier  <patrick.marlier@gmail.com>
2741             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2742
2743         PR lto/51916
2744         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2745         simple_object_start_read.
2746
2747 2012-01-23  Richard Guenther  <rguenther@suse.de>
2748
2749
2750         PR tree-optimization/51895
2751         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2752         parameter decomposition into BLKmode components.
2753
2754 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2755
2756         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2757         fake variables for restrict-qualified pointers whose pointed-to type
2758         contains a placeholder.
2759
2760 2012-01-23  Richard Guenther  <rguenther@suse.de>
2761
2762         PR tree-optimization/51949
2763         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2764
2765 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2766
2767         PR rtl-optimization/51933
2768         * ree.c (transform_ifelse): Return true right away if dstreg is
2769         already wider or equal to cand->mode.
2770         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2771         (make_defs_and_copies_lists): Remove defs_list and copies_list
2772         arguments, add state argument, just truncate state->work_list
2773         instead of always allocating and freeing the vector.  Assert that
2774         get_defs succeeds instead of returning 2.  Changed return type to bool.
2775         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2776         have ext_src_mode, see if it has been modified already with the
2777         right kind of extension and has been extended before from the
2778         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2779         just return true.  Remember the original mode in state->modified array.
2780         (combine_reaching_defs): Add state argument.  Don't allocate and
2781         free here def_list, copied_list and vec vectors, instead just
2782         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2783         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2784         Add state variable, clear vectors in it, initialize state.modified
2785         if needed.  Free all the vectors at the end and state.modified too.
2786         Don't skip a candidate if the extension expression has been modified.
2787
2788 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2789
2790         PR target/47096
2791         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2792          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2793         (extra_options) interix.opt -> i386/interix.opt"
2794         (extra_objs):Add winnt-stubs.o
2795         * configure.ac: Add interix to target_os .comm on PE check.
2796         * configure: Regenerate.
2797         * config/interix3.h: Delete and move bits to..
2798         * config/interix.h: Delete and move bits to..
2799         * config/i386/i386-interix3.h: Delete and move bits to..
2800         * config/i386/i386-interix.h: ..here.
2801         (TARGET_CPU_DEFAULT): Remove redefinition.
2802         (TARGET_ASM_CONSTRUCTOR): Undefine.
2803         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2804         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2805         (PTRDIFF_TYPE): Define.
2806         (LONG_DOUBLE_TYPE_SIZE): Define.
2807         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2808         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2809         (TARGET_SECTION_TYPE_FLAGS): Define.
2810         (ASM_DECLARE_FUNCTION_NAME): Define.
2811         (ASM_OUTPUT_EXTERNAL): Define.
2812         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2813         (ASM_OUTPUT_ALIGNED_BSS): Define.
2814         (PCC_BITFIELD_TYPE_MATTERS): Define.
2815         (USE_CONST_SECTION): Define.
2816         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2817         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2818         (SUPPORTS_ONE_ONLY): Remove.
2819         (I386_PE_STRIP_ENCODING): Define.
2820         * config/interix.opt: Delete and move bits to..
2821         * config/i386/interix.opt: ..here. New.
2822         (mpe-aligned-commons): Add.
2823         * config/i386/t-interix: Add copyright header.
2824         (winnt-stubs.o): Add rule.
2825
2826 2012-01-22  Jason Merrill  <jason@redhat.com>
2827
2828         PR c++/51832
2829         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2830         for extra name aliases.
2831
2832 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2833
2834         PR rtl-optimization/51924
2835         * ree.c (combine_set_extension): Improve debugging message.
2836         (combine_reaching_defs): Likewise.
2837         (get_defs): Rename confusingly named variable.
2838         (find_and_remove_re): Skip a candidate if the extension expression has
2839         been modified.
2840
2841 2012-01-21  Robert Millan  <rmh@gnu.org>
2842             Gerald Pfeifer  <gerald@pfeifer.com>
2843
2844         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2845         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2846
2847 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2848
2849         PR tree-optimization/51914
2850         * tree-vect-stmts.c (vectorizable_conversion): For
2851         cvt_type && modifier == WIDEN, put temporary with cvt_type
2852         at the beginning of vec_dsts and set vec_dest to temporary
2853         with vectype_out.
2854
2855 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2856
2857         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2858
2859 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2860
2861         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2862         * config/rs6000/rs6000.c: Likewise.
2863
2864 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2865
2866         PR target/51915
2867         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2868         output_move_double on a copy of operands array.
2869
2870 2012-01-20  Cary Coutant  <ccoutant@google.com>
2871             Dodji Seketeli  <dodji@redhat.com>
2872
2873         PR debug/45682
2874         * dwarf2out.c (copy_declaration_context): Return ref to parent
2875         of declaration DIE, if necessary.
2876         (remove_child_or_replace_with_skeleton): Add new parameter; update
2877         caller.  Place skeleton DIE under parent DIE of original declaration.
2878         Move call to copy_declaration_context to here ...
2879         (break_out_comdat_types): ... from here.
2880
2881 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2882
2883         PR rtl-optimization/51856
2884         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2885         flag to reloaded.
2886
2887 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2888
2889         PR target/51819
2890         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2891         hints for neon loads and stores.
2892
2893 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2894
2895         PR target/49868
2896         PR target/50887
2897         * doc/extend.texi (Named Address Spaces): Split into subsections.
2898         (AVR Named Address Spaces): New subsection.
2899         (M32C Named Address Spaces): New subsection.
2900         (RL78 Named Address Spaces): New subsection.
2901         (SPU Named Address Spaces): New subsection.
2902         (Variable Attributes): New anchor "AVR Variable Attributes".
2903         (AVR Variable Attributes): Rewrite and avoid wording
2904         "address space" in this context.
2905         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2906         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2907         (AVR Built-in Macros): New subsubsection therein.
2908         * doc/md.texi (AVR constraints): Remove "C04", "R".
2909
2910 2012-01-20  Richard Guenther  <rguenther@suse.de>
2911
2912         PR tree-optimization/51903
2913         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2914         when removing stmts.
2915
2916 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2917
2918         PR target/50313
2919         * config/arm/arm.c (arm_load_pic_register): Use
2920         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2921         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2922         (arm_pic_static_addr): Likewise.
2923         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2924         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2925         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2926         (pic_load_addr_unified): New.
2927
2928 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2929
2930         PR target/51106
2931         * function.c (instantiate_virtual_regs_in_insn): Use
2932         delete_insn_and_edges when removing a wrong asm insn.
2933
2934 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2935
2936         PR rtl-optimization/40761
2937         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2938         Add new member loop_num.
2939         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2940         (ira_build): Remove the parameter.
2941
2942         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2943         (ira.c): Do not build CFG loops for one region allocation.  Remove
2944         argument from ira_build call.
2945
2946         * ira-build.c (init_loop_tree_node): New function.
2947         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2948         loops are not built.
2949         (more_one_region_p): Check current_loops.
2950         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2951         built.
2952         (add_loop_to_tree): Process loop equal to NULL too.
2953         (form_loop_tree): Separate the case when CFG loops are not built.
2954         Use explicitly number for the root.
2955         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2956         an assertion.
2957         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2958         instead of loop->num.
2959         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2960         (mark_all_loops_for_removal): Ditto.
2961         (remove_unnecessary_regions): Separate the case when CFG loops
2962         are not built.
2963         (ira_build): Remove the parameter.  Use explicit number of regions
2964         when CFG loops are not built.
2965
2966         * ira-color.c (print_loop_title): Separate the case for the root node.
2967         Use loop_num instead of loop->num.
2968         (move_spill_restore): Use loop_num instead of loop->num.
2969
2970         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2971         (change_loop): Ditto.
2972         (change_loop): Use loop_num instead of loop->num.
2973
2974         * ira-lives.c (process_bb_node_lives): Ditto.
2975
2976         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2977
2978         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2979
2980 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2981
2982         PR libmudflap/40778
2983         * tree-mudflap.c (mf_artificial): New function.
2984         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2985         mx_register_decls, mudflap_enqueue_decl): Use it.
2986
2987         PR target/51876
2988         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2989         numbers in the insn pattern.
2990
2991 2012-01-19  Michael Matz  <matz@suse.de>
2992
2993         PR tree-optimization/46590
2994         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2995         use it in remembering which conflicts we already created.
2996         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2997         bitmap.
2998
2999 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3000
3001         PR lto/51280
3002         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3003         (merge_and_complain): Same.
3004
3005 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3006
3007         PR bootstrap/50237
3008         * config/initfini-array.h: Guard content of the header
3009         with #ifdef HAVE_INITFINI_ARRAY.
3010         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3011         Add initfini-array.h to tm_file here.
3012         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3013         * config.gcc: Don't add initfini-array.h to tm_file here.
3014         * configure: Regenerated.
3015
3016 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3017
3018         PR rtl-optimization/51505
3019         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3020         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3021         (df_note_bb_compute): Update the call to df_kill_notes.
3022
3023 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3024
3025         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3026
3027 2012-01-18  Richard Guenther  <rguenther@suse.de>
3028
3029         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3030         of conversions to void *.
3031
3032 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3033             Richard Sandiford  <rdsandiford@googlemail.com>
3034
3035         PR middle-end/50325
3036         PR middle-end/51192
3037         * optabs.h (simplify_expand_binop): Declare.
3038         * optabs.c (simplify_expand_binop): Make global.
3039         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3040         endian targets if the source cannot be exactly covered by word
3041         mode chunks.
3042
3043 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3044
3045         PR bootstrap/51872
3046         * hard-reg-set.h (struct hard_reg_set_container): New type.
3047         * target.h (struct hard_reg_set_container): Forward declare.
3048         * target.def (set_up_by_prologue): New target hook.
3049         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3050         * doc/tm.texi: Regenerated.
3051         * function.c (thread_prologue_and_epilogue_insns): Change
3052         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3053         Call targetm.set_up_by_prologue on it.
3054         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3055         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3056
3057 2012-01-17  Nick Clifton  <nickc@redhat.com>
3058
3059         * config/rx/rx.c (rx_can_use_simple_return): New function.
3060         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3061         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3062
3063 2012-01-17  Richard Guenther  <rguenther@suse.de>
3064
3065         PR middle-end/51782
3066         * expr.c (expand_assignment): Take address-space information
3067         from the address operand of MEM_REF and TARGET_MEM_REF.
3068         (expand_expr_real_1): Likewise.
3069
3070 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3071
3072         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3073         reload dump is requested.
3074
3075 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3076
3077         PR other/51165
3078         * trans-mem.c (requires_barrier): Call may_be_aliased.
3079
3080 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3081
3082         PR tree-optimization/51877
3083         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3084         call arguments and fndecls compare equal, instead return false if they
3085         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3086         both SSA_NAMEs that are valueized the same, or they satisfy
3087         operand_equal_p.
3088
3089 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3090
3091         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3092         Solaris 11+.
3093         * configure: Regenerate.
3094
3095 2012-01-16  Jan Hubicka  <jh@suse.cz>
3096
3097         PR c/12245
3098         PR c++/14179
3099         * convert.c (convert_to_integer): Use fold_convert for
3100         converting an INTEGER_CST to integer type.
3101
3102 2012-01-16  Jason Merrill  <jason@redhat.com>
3103
3104         PR c++/14179
3105         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3106
3107 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3108
3109         PR bootstrap/51860
3110         * config/s390/s390.c (s390_chunkify_start): Don't skip
3111         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3112         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3113         If insn is followed by NOTE_INSN_VAR_LOCATION or
3114         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3115         Don't use location of note insns.
3116
3117         PR tree-optimization/51865
3118         * tree-inline.c (tree_function_versioning): Call remap_decl
3119         on DECL_RESULT whenever it has VOID_TYPE_P type.
3120
3121 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3122
3123         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3124         for calls to locally-binding MIPS16 functions if only the return
3125         type uses float regs.
3126
3127 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3128             Richard Sandiford  <rdsandiford@googlemail.com>
3129
3130         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3131         (SYMBOL_32_HIGH): Likewise.
3132         (mips_output_tls_reloc_directive): Declare.
3133         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3134         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3135         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3136         (mips_lo_relocs, mips_hi_relocs): Make extern.
3137         (mips16_stub_function): Move up file.
3138         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3139         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3140         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3141         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3142         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3143         (mips_get_tp): Add MIPS16 support.
3144         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3145         Generalize DTPREL and TPREL handling.
3146         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3147         Add MIPS16 TLS support.
3148         (mips_output_tls_reloc_directive): New function.
3149         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3150         * config/mips/predicates.md (symbolic_operand_with_high)
3151         (tls_reloc_operand): New predicates.
3152         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3153         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3154         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3155         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3156         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3157         (*tls_get_tp_mips16_call_<mode>): Likewise.
3158
3159 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3160
3161         PR rtl-optimization/51821
3162         * recog.c (peep2_find_free_register): Determine clobbered registers
3163         from insn pattern.
3164
3165 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3166
3167         PR target/50925
3168         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3169         * config/avr/avr.c: Likewise.
3170         * config/avr/avr.h: Likewise.
3171
3172 2012-01-13  Ian Lance Taylor  <iant@google.com>
3173
3174         PR c++/50012
3175         * tree.h (TYPE_QUALS): Add cast to int.
3176         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3177
3178 2012-01-13  Ian Lance Taylor  <iant@google.com>
3179
3180         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3181         comparing param_index to VEC_length result.
3182
3183 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3184
3185         * c-decl.c: Do not include tree-mudflap.h
3186         * tree-optimize.c: Likewise.
3187         * Makefile.in: Update dependencies.
3188
3189 2012-01-13  Richard Guenther  <rguenther@suse.de>
3190
3191         PR middle-end/8081
3192         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3193         variable-sized result always use RSO.
3194
3195 2012-01-12  DJ Delorie  <dj@redhat.com>
3196
3197         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3198         pointer type, not just the default pointer type.
3199
3200 2012-01-09  Richard Henderson  <rth@redhat.com>
3201             Denis Chertykov  <chertykov@gmail.com>
3202
3203         PR target/50925
3204         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3205         * config/avr/avr.c (avr_can_eliminate): Simplify.
3206         (avr_initial_elimination_offset): Likewise.
3207         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3208         (expand_epilogue): Likewise.
3209         (avr_legitimize_address): Gut.
3210         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3211         (avr_hard_regno_nregs): New.
3212         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3213         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3214         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3215         add soft frame pointer.
3216         (CALL_USED_REGISTERS): Likewise.
3217         (REG_CLASS_CONTENTS): Likewise.
3218         (REGISTER_NAMES): Likewise.
3219         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3220         (HARD_FRAME_POINTER_REGNUM): New.
3221         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3222         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3223         remove the HARD_FRAME_POINTER self-elimination.
3224
3225 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3226
3227         PR target/51756
3228         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3229         DECL_EXTERNAL when checking for initializers of progmem variables.
3230
3231 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3232
3233         PR tree-optimization/51799
3234         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3235         that the last operation is a type demotion.
3236
3237 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3238
3239         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3240         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3241
3242 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3243
3244         PR bootstrap/51796
3245         * combine.c (distribute_notes): If i3 is a noreturn call,
3246         allow old_size to be equal to args_size and make sure the
3247         noreturn call gets REG_ARGS_SIZE note.
3248         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3249         on noreturn calls even when the delta is 0.
3250
3251 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3252
3253         * gcov.c (STRING_SIZE): Remove.
3254         (generate_results): Erase annotations for source files with no
3255         coverage information.
3256         (read_line): New.
3257         (output_lines): Use it.
3258
3259 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3260
3261         * gimple.h (gimplify_body): Remove first argument.
3262         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3263         pointer set here, instead just pass DATA to walk_tree.
3264         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3265         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3266         (unvisit_body): Likewise, but with unmark_visited.
3267         (gimplify_body): Remove BODY_P argument and adjust.
3268         (gimplify_function_tree): Adjust call to gimplify_body.
3269         * omp-low.c (finalize_task_copyfn): Likewise.
3270
3271 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3272
3273         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3274         (build_function_type_skip_args): Delete.
3275         * tree.c (build_function_type_skip_args): Make static and add
3276         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3277         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3278         pass it to build_function_type_skip_args.
3279         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3280         (tree_function_versioning): Likewise.
3281         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3282         build_function_decl_skip_args.
3283         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3284         and pass it to build_function_decl_skip_args/tree_function_versioning.
3285         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3286         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3287         * trans-mem.c (ipa_tm_create_version): Likewise.
3288         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3289         * tree-inline.c (declare_return_variable): Remove always-true test.
3290         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3291         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3292         * ipa-split.c (split_function): Skip the return value for the split
3293         part if it doesn't return.
3294
3295 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3296
3297         PR tree-optimization/49642
3298         * ipa-split.c (forbidden_dominators): New variable.
3299         (check_forbidden_calls): New function.
3300         (dominated_by_forbidden): Likewise.
3301         (consider_split): Check for forbidden dominators.
3302         (execute_split_functions): Initialize and free forbidden
3303         dominators info; call check_forbidden_calls.
3304
3305 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3306
3307         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3308
3309 2012-01-11  Nick Clifton  <nickc@redhat.com>
3310
3311         * config/rx/rx.md (return): Define pattern.
3312
3313 2012-01-11  Richard Guenther  <rguenther@suse.de>
3314
3315         * doc/extend.texi (malloc attribute): Adjust according to
3316         implementation.
3317
3318 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3319             Patrick Marlier  <patrick.marlier@gmail.com>
3320
3321         PR middle-end/51516
3322         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3323         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3324         (ipa_tm_note_irrevocable): Same.
3325         (ipa_tm_scan_irr_block): Same.
3326         (ipa_tm_decrement_clone_counts): Same.
3327         (ipa_tm_scan_irr_function): Same.
3328         (ipa_tm_create_version_alias): Same.
3329         (ipa_tm_create_version): Same.
3330         (ipa_tm_transform_calls_redirect): Same.
3331         (ipa_tm_transform_calls): Same.
3332         (ipa_tm_transform_transaction): Same.
3333         (ipa_tm_execute): Same.
3334
3335 2012-01-10  Richard Guenther  <rguenther@suse.de>
3336
3337         PR middle-end/51806
3338         * opts.c (common_handle_option): Handle -Werror.
3339
3340 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3341
3342         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3343         operand number.
3344
3345 2012-01-10  Jason Merrill  <jason@redhat.com>
3346
3347         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3348         information.
3349
3350 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3351
3352         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3353         supports R_386_TLS_GD_PLT reloc.
3354         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3355         supports R_386_TLS_LDM_PLT reloc.
3356         * configure: Regenerate.
3357         * config.in: Regenerate.
3358
3359 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3360
3361         PR target/49868
3362         Extend __pgmx semantics to linearize memory.
3363         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3364         determine if code comes inline or from libgcc.
3365         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3366         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3367         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3368         (movmemx_qi, movmemx_hi): New insns.
3369         (xload_<mode>_libgcc): Rewrite to new insn condition.
3370         (xload_<mode>): Remove insns.
3371         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3372         cases that don't satisfy avr_xload_libgcc_p().
3373         (avr_addr_space_convert): Allow converting in any direction.
3374         (avr_addr_space_subset_p): Return always true.
3375         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3376         (avr_emit_movmemhi): Ditto.
3377         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3378         (avr_out_movmem): Ditto.
3379         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3380         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3381         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3382         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3383         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3384
3385 2012-01-10  Richard Guenther  <rguenther@suse.de>
3386
3387         PR tree-optimization/50913
3388         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3389         Require data-refs to be representable by Graphite with respect
3390         to any loop nest.
3391
3392 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3393
3394         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3395         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3396
3397 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3398
3399         PR rtl-optimization/51271
3400         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3401         handling annulled branch.
3402
3403 2012-01-10  Richard Henderson  <rth@redhat.com>
3404
3405         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3406         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3407         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3408         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3409         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3410         arm_expand_vec_perm_const): New.
3411         * config/arm/arm-protos.h: Update.
3412         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3413         (*neon_vswp<VDQX>): New.
3414         (neon_vcombine<VDX>): Use neon_split_vcombine.
3415         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3416         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3417         (vec_perm<VE>): New.
3418
3419 2012-01-10  Richard Henderson  <rth@redhat.com>
3420
3421         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3422         use it if reload_completed.
3423         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3424         arm_output_asm_insn, arm_process_output_memory_barrier,
3425         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3426         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3427         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3428         arm_process_output_sync_insn, arm_output_sync_insn,
3429         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3430         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3431         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3432         (emit_unlikely_jump): New.
3433         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3434         (arm_split_atomic_op): New.
3435         * config/arm/arm-protos.h: Update.
3436         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3437         (struct arm_sync_generator): Remove.
3438         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3439         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3440         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3441         (VUNSPEC_LL, VUNSPEC_SC): New.
3442         (sync_result, sync_memory, sync_required_value, sync_new_value,
3443         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3444         (attr length): Don't use arm_sync_loop_insns.
3445         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3446         (movsfcc, movdfcc): Likewise.
3447         * config/arm/constraints.md (Ua): New.
3448         * config/arm/prediates.md (mem_noofs_operand): New.
3449         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
3450         (sync_clobber, sync_t2_reqd): Remove.
3451         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
3452         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
3453         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
3454         (arm_sync_compare_and_swap<SIDI>): Remove.
3455         (arm_sync_compare_and_swap<NARROW>): Remove.
3456         (arm_sync_lock_test_and_set<SIDI>): Remove.
3457         (arm_sync_lock_test_and_set<NARROW>): Remove.
3458         (arm_sync_new_<syncop><SIDI>): Remove.
3459         (arm_sync_new_<syncop><NARROW>): Remove.
3460         (arm_sync_new_nand<SIDI>): Remove.
3461         (arm_sync_new_nand<NARROW>): Remove.
3462         (arm_sync_old_<syncop><SIDI>): Remove.
3463         (arm_sync_old_<syncop><NARROW>): Remove.
3464         (arm_sync_old_nand<SIDI>): Remove.
3465         (arm_sync_old_nand<NARROW>): Remove.
3466         (*memory_barrier): Merge arm_output_memory_barrier.
3467         (atomic_compare_and_swap<QHSD>): New.
3468         (atomic_compare_and_swap<NARROW>_1): New.
3469         (atomic_compare_and_swap<SIDI>_1): New.
3470         (atomic_exchange<QHSD>): New.
3471         (cas_cmp_operand, cas_cmp_str): New.
3472         (atomic_op_operand, atomic_op_str): New.
3473         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
3474         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
3475         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
3476         (arm_load_exclusive<NARROW>): New.
3477         (arm_load_exclusivesi, arm_load_exclusivedi): New.
3478         (arm_store_exclusive<QHSD>): New.
3479
3480 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
3481
3482         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
3483         reload patterns if -mvsx-scalar-memory.
3484
3485         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
3486         generated, even -mno-vsx-scalar-double was used.
3487         (vsx_xscvdpsp_scalar): Likewise.
3488         (vsx_xscvspdp_scalar2): Likewise.
3489
3490 2012-01-09  Tom de Vries  <tom@codesourcery.com>
3491             Andrew Pinski  <apinski@cavium.com>
3492
3493         PR debug/51471
3494         * reorg.c (fill_slots_from_thread): Don't speculate
3495         frame-related insns.
3496
3497 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
3498
3499         * sched-int.h (bb_note): Move to...
3500         * basic-block.h: ...here.
3501         * haifa-sched.c (bb_note): Move to...
3502         * cfgrtl.c: ...here.
3503         * function.c (next_block_for_reg): New function.
3504         (move_insn_for_shrink_wrap): Likewise.