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