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1 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
2
3         Backport from mainline
4         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
5
6         PR target/53138
7         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
8
9 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
10
11         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
12         predicate to discriminate types.
13
14 2012-04-27  Richard Guenther  <rguenther@suse.de>
15
16         PR c/51527
17         * convert.c (convert_to_integer): Avoid infinite recursion for
18         target-defined built-in types.
19
20 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
21
22         PR target/53120
23         * config/cris/cris.md ("*andhi_lowpart_v32")
24         ("*andqi_lowpart_v32"): Change first input-only operand from
25         a (match_operand ...) to (match_dup 0).  Drop alternatives with
26         const_int-matching constraints for redundancy.
27         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
28         three-operand alternative.
29
30 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
31
32         Backport from mainline
33         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
34
35         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
36         (*addsi_2_zext): Ditto.
37         (*add<mode>_3): Ditto.
38         (*addsi_3_zext): Ditto.
39         (*add<mode>_5): Ditto.
40
41 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
42
43         PR c/52880
44         * c-typeck.c (set_nonincremental_init,
45         set_nonincremental_init_from_string): Pass true instead of false
46         as IMPLICIT to add_pending_init.
47
48 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
49
50         Backport from 2012-04-24 mainline r186768.
51
52         PR target/53065
53         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
54
55 2012-04-24  Richard Guenther  <rguenther@suse.de>
56
57         PR tree-optimization/53085
58         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
59         stores.
60
61 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
62
63         PR middle-end/53084
64         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
65         of MEM_REF.
66         (output_addressed_constants): Likewise.
67
68         PR middle-end/52999
69         * varasm.c (get_section): Don't ICE for section conflicts with
70         built-in section kinds.
71
72 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
73
74         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
75
76 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
77
78         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
79
80 2012-04-23  Richard Guenther  <rguenther@suse.de>
81
82         PR c/53060
83         * c-typeck.c (build_binary_op): Fix typo.
84
85 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
86
87         PR tree-optimizations/52891
88         * tree-vect-patterns.c (adjust_bool_pattern): Use
89         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
90         but with non-standard precision.
91
92 2012-04-22  Ian Lance Taylor  <iant@google.com>
93
94         * godump.c (go_output_typedef): Dump size of structs.
95
96 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
97
98         Backport from mainline:
99
100         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
101         hints for 'A' operand types.
102
103 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
104
105         Backport from 2012-04-19 mainline r186588.
106
107         PR target/53033
108         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
109         the case *(X+const).
110
111 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
112
113         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
114
115 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
116
117         PR target/53020
118         * config/i386/sync.md (atomic_<code><mode>): Rename to
119         atomic_<logic><mode>.
120
121 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
122
123         Backport from mainline
124         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
125
126         PR target/52932
127         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
128         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
129         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
130         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
131         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
132         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
133         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
134         gen_avx2_permvarv8sf.
135
136 2012-04-16  Martin Jambor  <mjambor@suse.cz>
137
138         Backported from mainline
139
140         2012-04-13  Martin Jambor  <mjambor@suse.cz>
141         PR middle-end/52939
142
143         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
144         fold_ctor_reference returns a zero constant.
145
146 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
147
148         Backported from mainline
149         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
150
151         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
152         and __ILP32__ for x32.
153
154 2012-04-13  Tom de Vries  <tom@codesourcery.com>
155
156         Backport from mainline r186418.
157
158         2012-04-13  Tom de Vries  <tom@codesourcery.com>
159
160         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
161         parameters vuse and vuse_escaped.
162         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
163         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
164         vuse1 != vuse2.
165
166 2012-04-13  Richard Guenther  <rguenther@suse.de>
167
168         PR tree-optimization/52969
169         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
170         the condition for the COND_EXPR and handle predicate negation
171         by swapping the COND_EXPR arms.
172
173 2012-04-13  Richard Guenther  <rguenther@suse.de>
174
175         PR c/52862
176         * convert.c (convert_to_pointer): Remove special-casing of
177         zero.
178
179 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
180
181         Backport from mainline
182         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
183
184         PR target/52775
185         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
186         the list of options to enable the FCFID instruction.
187         (TARGET_EXTRA_BUILTINS): Adjust comment.
188
189 2012-04-12  Richard Guenther  <rguenther@suse.de>
190
191         PR tree-optimization/52943
192         * tree-chrec.h (chrec_is_positive): Remove.
193         * tree-scalar-evolution.c (chrec_is_positive): Move ...
194         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
195         Return false for a constant zero instead of negative.
196         (analyze_siv_subscript_cst_affine): Handle zero difference
197         in the initial condition explicitely.
198
199 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
200
201         PR middle-end/52894
202         * varasm.c (process_pending_assemble_externals): Set
203         pending_assemble_externals_processed true.
204         (assemble_external): Call assemble_external_real if the pending
205         assemble externals have been processed.
206
207 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
208
209         PR target/52717
210         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
211         the DECL generated for the special GOT helper.
212
213 2012-04-06  Walter Lee  <walt@tilera.com>
214
215         Backport from mainline
216         2012-03-07  Walter Lee  <walt@tilera.com>
217
218         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
219         REG_CFA_* notes for the stack pointer.
220         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
221         EH_RETURN_STACKADJ_RTX.
222         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
223         generate REG_CFA_* notes for the stack pointer.
224         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
225         by EH_RETURN_STACKADJ_RTX.
226
227 2012-04-06  Matt Turner  <mattst88@gmail.com>
228
229         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
230
231 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
232
233         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
234         of the destination isn't also a FP_REGS register.
235
236 2012-04-03  Richard Guenther  <rguenther@suse.de>
237
238         Backport from mainline
239         2012-03-02  Richard Guenther  <rguenther@suse.de>
240
241         PR tree-optimization/52406
242         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
243         (struct indices): Add unconstrained_base member.
244         (struct dr_alias): Remove unused vops member.
245         (DR_UNCONSTRAINED_BASE): New define.
246         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
247         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
248         be an artificial access that covers the whole indexed object,
249         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
250         plain decl base-objects to their MEM_REF variant.
251         (dr_may_alias_p): When the base-object of either data reference
252         has unknown size use only points-to information.
253         (compute_affine_dependence): Make dumps easier to read and
254         more verbose.
255         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
256         DR_REF when looking for packed references.
257         (vect_supportable_dr_alignment): Likewise.
258
259 2012-04-03  Richard Guenther  <rguenther@suse.de>
260
261         Backport from mainline
262         2012-03-15  Richard Guenther  <rguenther@suse.de>
263
264         PR middle-end/52580
265         * tree-data-ref.c (subscript_dependence_tester_1): Check
266         all dimensions for non-conflicting access functions.
267
268 2012-04-03  Richard Guenther  <rguenther@suse.de>
269
270         Backport from mainline
271         2012-03-06  Richard Guenther  <rguenther@suse.de>
272
273         PR middle-end/52493
274         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
275
276         2012-03-23  Richard Guenther  <rguenther@suse.de>
277
278         PR tree-optimization/52678
279         * tree-vectorizer.h (struct _stmt_vec_info): Add
280         loop_phi_evolution_part member.
281         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
282         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
283         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
284         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
285         Use the cached evolution part and the PHI nodes value from
286         the loop preheader edge instead of re-analyzing the evolution.
287
288         2012-03-26  Richard Guenther  <rguenther@suse.de>
289
290         PR tree-optimization/52701
291         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
292         compute and set the evolution part of PHI nodes.
293
294         2012-03-30  Richard Guenther  <rguenther@suse.de>
295
296         PR tree-optimization/52754
297         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
298         propagate arbitrary addresses into really plain dereferences.
299
300 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
301
302         PR tree-optimization/52835
303         * tree-data-ref.c (build_rdg): Return NULL if
304         compute_data_dependences_for_loop failed.
305
306 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
307
308         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
309         (stmt_can_make_abnormal_goto): Use it.
310         (is_ctrl_altering_stmt): Likewise.
311
312 2012-03-31  Martin Jambor  <mjambor@suse.cz>
313
314         Backported from mainline
315         2012-03-30  Martin Jambor  <mjambor@suse.cz>
316
317         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
318         is a builtin_stack_save in a dominating BB.
319
320 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
321
322         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
323         crossing 128bit lane boundary.
324
325 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
326
327         Backported from mainline
328         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
329
330         PR target/52698
331         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
332         New prototype.
333         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
334         * config/i386/i386.c: Include reload.h.
335         (ix86_legitimize_reload_address): New function.
336
337 2012-03-28  Martin Jambor  <mjambor@suse.cz>
338
339         Backported from mainline
340         2012-03-27  Martin Jambor  <mjambor@suse.cz>
341
342         PR middle-end/52693
343         * tree-sra.c (sra_modify_assign): Do not call
344         load_assign_lhs_subreplacements when working with an unscalarizable
345         region.
346
347 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
348
349         PR middle-end/52691
350         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
351         __builtin_va_start to __builtin_next_arg if the latter is
352         builtin_decl_explicit_p rather than when it is not.
353
354         PR middle-end/52750
355         * tree-vect-generic.c (vector_element): Perform multiplication
356         for pos in bitsizetype type instead of idx type.
357
358 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
359
360         Backport from 2012-03-28 mainline r185910.
361
362         PR target/52692
363         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
364         (avr_builtin_decl): New static function.
365         (struct avr_builtin_description, avr_bdesc): Move up.
366         Add GTY marker. Add field fndecl. Remove redundant field id.
367         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
368         (avr_expand_builtin): Code cleanup because .id is removed.
369
370 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
371
372         PR middle-end/51893
373         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
374         targets.
375
376 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
377
378         Backport from 2012-03-28 mainline r185907.
379
380         PR target/52737
381         * config.gcc (tm_file): Remove avr/multilib.h.
382
383         * doc/invoke.texi (AVR Options): Adjust
384         documentation of -mtiny-stack.
385
386         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
387         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
388         * config/avr/t-avr: Remove generation of multilib.h.
389         * config/avr/t-multilib: Regenerate.
390         * config/avr/multilib.h: Remove.
391         * config/avr/avr.opt (-msp8): New option.
392         (avr_sp8): New variable.
393         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
394         * config/avr/avr.h (AVR_HAVE_SPH): New define.
395         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
396         (avr_device_to_sp8): New prototype.
397         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
398         (DRIVER_SELF_SPECS): New define.
399         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
400         __AVR_SP8__, __AVR_HAVE_SPH__.
401         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
402         AVR_HAVE_8BIT_SP to decide if SP_H is present.
403         (avr_file_start): Ditto.
404
405 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
406
407         PR target/52736
408         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
409         instead of 8 in adjust_address.
410
411 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
412
413         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
414         of a unit before computing the offset in units.
415
416 2012-03-27  Richard Guenther  <rguenther@suse.de>
417
418         PR middle-end/52720
419         * fold-const.c (try_move_mult_to_index): Handle &x.array more
420         explicitely.
421
422 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
423
424         PR target/52610
425         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
426
427 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
428
429         PR middle-end/52640
430         * varasm.c: Include pointer-set.h.
431         (pending_assemble_externals_set): New pointer set.
432         (process_pending_assemble_externals): Destroy the pointer set.
433         (assemble_external): See if decl is in pending_assemble_externals_set,
434         and add it to pending_assemble_externals if necessary.
435         (init_varasm_once): Allocate pending_assemble_externals_set.
436
437 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
438
439         Backported from mainline
440         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
441
442         PR target/50310
443         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
444         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
445         (vector_ltgt<mode>): Likewise.
446         (vector_ordered<mode>): Likewise.
447         (vector_unordered<mode>): Likewise.
448         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
449
450 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
451
452         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
453         Make static.
454
455 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
456
457         Backported from mainline
458         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
459
460         PR target/48596
461         PR target/48806
462         * config/sh/sh.c (sh_register_move_cost): Increase cost between
463         GENERAL_REGS and FP_REGS for SImode.
464
465 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
466
467         PR middle-end/52547
468         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
469         on any new_local_var_chain vars declared during recursing on
470         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
471
472 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
473
474         Backport from 2012-03-22 mainline r185692.
475
476         PR target/52496
477         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
478         (unspecv): Add UNSPECV_MEMORY_BARRIER.
479         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
480         (delay_cycles_1, delay_cycles_2): Ditto.
481         (delay_cycles_3, delay_cycles_4): Ditto.
482         (nopv, *nopv): Ditto.
483         (sleep, *sleep): Ditto.
484         (wdr, *wdr): Ditto.
485
486         Backport from 2012-03-21 mainline r185605.
487
488         PR rtl-optimization/52543
489         PR target/52461
490         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
491         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
492         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
493         (avr_load_libgcc_p): Restrict to __flash loads.
494         (avr_out_lpm): Only handle 1-byte loads from __flash.
495         (avr_load_lpm): New function.
496         (avr_find_unused_d_reg): Remove.
497         (avr_out_lpm_no_lpmx): Remove.
498         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
499         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
500         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
501         (load_<mode>, load_<mode>_clobber): New insns.
502         (mov<mode>): For multi-byte move from non-generic
503         16-bit address spaces: Expand to load_<mode> resp.
504         load_<mode>_clobber.
505         (load<mode>_libgcc): Remove expander.
506         (split-lpmx): Remove split.
507
508         Backport from 2012-03-13 mainline r185329.
509
510         PR target/52488
511         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
512         offset (size) to a value the insns can deal with.
513         (expand_epilogue): Ditto.
514
515         Backport from 2012-03-12 mainline r185256.
516
517         PR target/52499
518         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
519         type from reg_class_t to enum reg_class.
520         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
521
522         Backport from 2012-03-12 mainline r185253.
523
524         PR target/52148
525         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
526         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
527         r184615 from 2012-02-28.
528
529         Backport from 2012-03-08 mainline r185105.
530
531         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
532         for constants in [-63,63].
533
534         Backport from 2012-03-08 mainline r185100.
535
536         PR target/52496
537         * config/avr/avr.c (avr_mem_clobber): New static function.
538         (avr_expand_delay_cycles): Add memory clobber operand to
539         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
540         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
541         (enable_interrupt, disable_interrupt): New expander.
542         (nopv, sleep, wdr): New expanders.
543         (delay_cycles_1): Add memory clobber.
544         (delay_cycles_2): Add memory clobber.
545         (delay_cycles_3): Add memory clobber.
546         (delay_cycles_4): Add memory clobber.
547         (cli_sei): New insn from former "enable_interrupt",
548         "disable_interrupt" with memory clobber.
549         (*wdt): New insn from former "wdt" with memory clobber.
550         (*nopv): Similar, but for "nopv".
551         (*sleep): Similar, but for "sleep".
552
553         Backport from 2012-03-07 mainline r185043.
554
555         PR target/52484
556         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
557
558         Backport from 2012-03-07 mainline r185032.
559
560         PR target/52506
561         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
562         to: RAMPZ, RAMPY, RAMPX, RAMPD.
563         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
564
565         Backport from 2012-03-07 mainline r185031.
566
567         PR target/52505
568         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
569         from RAM.
570         * config/avr/avr.md (xload_8): Adjust insn length.
571
572         Backport from 2012-03-07 mainline r185030.
573
574         PR target/52461
575         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
576         if RAMPZ affects reading from RAM.
577
578         Backport from 2012-03-05 mainline r184919.
579
580         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
581
582 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
583
584         Backport from mainline r185259.
585
586         PR other/52545
587         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
588         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
589
590 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
591
592         Backported from mainline
593         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
594
595         PR c/52577
596         * c-parser.c (c_parser_postfix_expression)
597         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
598
599         * config/i386/smmintrin.h: Avoid /* within a comment.
600         * config/i386/nmmintrin.h: Likewise.
601
602 2012-03-22  Richard Guenther  <rguenther@suse.de>
603
604         * BASE-VER: Set to 4.7.1.
605         * DEV-PHASE: Set to prerelease.
606
607 2012-03-22  Release Manager
608
609         * GCC 4.7.0 released.
610
611 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
612
613         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
614
615 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
616             Andrew Pinski  <apinski@cavium.com>
617
618         PR middle-end/52592
619         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
620         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
621         calls instead of __builtin_ir{int,ound}*.
622
623 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
624
625         PR c++/52582
626         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
627         if c_node is NULL.
628
629 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
630
631         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
632         Refer to GCC 4.7 version of c99status.html.
633
634 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
635
636         Backport from mainline
637         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
638
639         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
640         redefine to be NULL if the current bit-size is different from the
641         configured bit-size.
642
643         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
644         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
645         set the default tuning.  Add asserts to make sure the cpu and tune
646         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
647         test whether the index is set, instead of > 0.
648         (rs6000_file_start): Do not reset the default cpu if the current
649         bit-size is different from the configured bit-size.
650
651 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
652
653         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
654         binutils reference.
655         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
656         Update binutils references.
657         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
658         Update binutils reference.
659         Update Sun as/GNU ld caveat.
660         Document binutils largefile requirement for LTO plugin.
661         Remove reference to alternate libpthread.
662
663 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
664
665         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
666         reference.
667         (Specific, mips-sgi-irix6): Likewise.
668
669 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
670
671         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
672         * configure: Regenerate.
673
674 2012-03-07  Richard Henderson  <rth@redhat.com>
675
676         * config/m68k/m68k.h (ISA_HAS_TAS): New.
677         * config/m68k/sync.md (atomic_test_and_set): Use it.
678         (atomic_test_and_set_1): Likewise.
679
680 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
681
682         PR target/51417
683         * Makefile.in: Let install-gcc-ar depend on installdirs,
684         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
685         Don't double canonicalize if cross-compiling.
686
687 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
688
689         * trans-mem.c: New typedef for tm_region_p.
690         Define vector types for tm_region_p.
691         (tm_region_init): Replace region_worklist to a vector called
692         bb_regions.
693
694 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
695
696         PR middle-end/52463
697         * trans-mem.c (tm_region_init): Use last_basic_block.
698
699 2012-03-05  Richard Henderson  <rth@redhat.com>
700
701         PR tree-opt/52242
702         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
703         * omp-low.c (expand_omp_atomic): Assume anything aligned to
704         BIGGEST_ALIGNMENT is aligned.
705
706 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
707
708         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
709
710 2012-03-05  Richard Henderson  <rth@redhat.com>
711
712         PR target/52481
713         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
714         instead of calling negqi2 directly.
715
716 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
717
718         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
719         (INTMAX_TYPE): Use it.
720         (UINTMAX_TYPE): Likewise.
721         (SUBTARGET_OVERRIDE_OPTIONS): Define.
722         (irix6_c_common_override_options): Declare.
723         (C_COMMON_OVERRIDE_OPTIONS): Define.
724         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
725         * config/mips/irix6-c.c: New file.
726         * config/mips/t-irix6 (irix6-c.o): New target.
727         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
728         cxx_target_objs.
729
730 2012-03-02  Richard Henderson  <rth@redhat.com>
731
732         * optabs.c (expand_atomic_test_and_set): Honor
733         atomic_test_and_set_trueval even when atomic_test_and_set
734         optab is not in use.
735
736 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
737
738         Backport from mainline
739         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
740
741         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
742
743 2012-03-02  Richard Guenther  <rguenther@suse.de>
744
745         * DEV-PHASE: Set to prerelease.
746
747 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
748
749         * config.gcc (obsolete): Add all ARM targets using the FPA.
750         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
751         * doc/install.texi: Avoid references to obsolete ARM ports.
752
753 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
754
755         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
756
757 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
758             Joern Rennecke  <joern.rennecke@embecosm.com>
759
760         * doc/extend.texi: Expand and update information on interrupt
761         attribute for Epiphany.
762
763 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
764
765         * config/sh/sh-protos.h: Update copyright notice dates.
766         * config/sh/sh.h: Likewise.
767         * config/sh/sh.md: Likewise.
768         * config/sh/constraints.md: Likewise.
769         * config/sh/predicates.md: Likewise.
770
771 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
772
773         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
774         * config/sh/sh.c (tertiary_reload_operand): Likewise.
775
776 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
777
778         * config/sh/constraints.md: Fix comment typo.
779
780 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
781
782         PR target/52408
783         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
784         unsigned HOST_WIDE_INT.
785         (zvdep_imm64): Likewise.
786         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
787         (vdepi_and): Likewise.
788         Likewise for unamed 64-bit patterns.
789         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
790
791 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
792
793         PR debug/52001
794         PR rtl-optimization/52417
795         * cselib.c (cselib_any_perm_equivs): New variable.
796         (cselib_reset_table): Check that it's not set when not
797         preserving constants.
798         (cselib_add_permanent_equiv): Set it.
799         (cselib_have_permanent_equivalences): New.
800         (cselib_init, cselib_finish): Reset it.
801         * cselib.h (cselib_have_permanent_equivalences): Declare.
802         * alias.c (get_addr): Restore earlier behavior when there
803         aren't permanent equivalences.
804
805 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
806
807         * config/mn10300/mn10300-modes.def: Fix copyright notice.
808         * config/v850/v850-modes.def: Fix copyright notice.
809
810 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
811
812         * doc/extend.texi (AVR Built-in Functions): Document
813         __builtin_avr_flash_segment.
814
815         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
816         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
817         (*split.flash_segment): New insn-and-split.
818         * config/avr/avr.c (avr_init_builtins): Add local variables:
819         const_memx_void_node, const_memx_ptr_type_node,
820         char_ftype_const_memx_ptr.
821
822 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
823
824         PR tree-optimization/52445
825         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
826         add ssa_name_ver, offset and size fields and change store field
827         to bool.
828         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
829         (add_or_mark_expr): Likewise.  Only consider previous stores
830         with the same size and offset.
831         (nt_init_block): Only look at gimple_assign_single_p stmts,
832         doesn't look at rhs2.
833
834 2012-03-01  Richard Guenther  <rguenther@suse.de>
835
836         PR middle-end/52443
837         * tree-cfg.c (verify_gimple_assign_unary): Allow any
838         conversions from integral types to pointer types.
839
840 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
841
842         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
843         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
844         unintentionally removed in r184616.
845
846 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
847
848         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
849         3DNow from bdver1.
850
851 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
852             Uros Bizjak  <ubizjak@gmail.com>
853
854         PR target/52437
855         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
856         alternatives, add "e" constraint to the new last alternative
857         and ! to last 3 alternatives.
858
859 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
860
861         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
862         DW_AT_artificial attributes at the end of the processing.
863         (gen_array_type_die): Likewise.
864         (gen_enumeration_type_die): Likewise.
865         (gen_struct_or_union_type_die): Likewise.
866         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
867         the parent type.
868
869 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
870
871         PR middle-end/52419
872         * expr.c (expand_assignment): If doing misaligned store that doesn't
873         cover all mode bits, perform a RMW cycle.
874
875         PR tree-optimization/52429
876         * tree-parloops.c (separate_decls_in_region_debug): Return early
877         if var is LABEL_DECL.
878
879 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
880
881         PR tree-optimization/52424
882         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
883         calling dom_thread_across_edge.
884
885 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
886
887         * config/avr/avr.c: Move definition of TARGET macros to end of file.
888
889 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
890
891         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
892         * config/avr/avr.c (avr_output_bld): Remove unused function.
893         (avr_out_sbxx_branch): Use "%T" to print bit position.
894
895 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
896
897         * config/avr/avr.md: Untabify.
898
899 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
900
901         * config/avr/avr.md (eqne): New code iterator.
902         (*dec-and-branchsi): Use it in text peephole's condition.
903         (*dec-and-branchhi): Ditto.
904         (*dec-and-branchqi): Ditto.
905
906 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
907
908         PR target/49939
909         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
910         the device does not have the skip-bug.
911
912 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
913
914         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
915         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
916         -mpretend-cmove): New.
917
918 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
919
920         PR bootstrap/52397
921         * df.h (struct df_d): Adjust comment that hard_regs_live_count
922         doesn't count DEBUG_INSN refs.
923         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
924         for DEBUG_INSN refs.
925
926 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
927
928         Partially revert:
929
930         2012-02-20  Richard Guenther  <rguenther@suse.de>
931         PR tree-optimization/52298
932         * tree-vect-stmts.c (vectorizable_load): Properly use
933         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
934         outer loops.
935
936 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
937
938         PR middle-end/51752
939         * gimple.h (gimple_in_transaction): New.
940         (gimple_set_in_transaction): New.
941         (struct gimple_statement_base): Add in_transaction field.
942         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
943         transaction loads.
944         (tree_ssa_lim_initialize): Compute transaction bits.
945         * tree.h (compute_transaction_bits): Protoize.
946         * trans-mem.c (tm_region_init): Use the heap to store BB
947         auxilliary data.
948         (compute_transaction_bits): New.
949
950 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
951
952         * gcc.c (display_help): Document --help=common and sort entries
953         alphabetically.
954
955 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
956
957         * doc/install.texi: Document check-$LANG specific shortcuts
958
959 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
960
961         PR target/51534
962         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
963         and vcgtu.
964         * config/arm/arm_neon.h: Regenerate.
965         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
966         (neon_vcgeu): New insn.
967         (neon_vcgtu): Likewise.
968         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
969         (ops): Unsigned comparison intrinsics call a different
970         builtin.
971
972 2012-02-28  Richard Guenther  <rguenther@suse.de>
973
974         PR target/52407
975         * config/i386/i386.c (ix86_expand_vector_set): Fix element
976         ordering for the VEC_CONCAT for two element vectors for
977         V2SFmode, V2SImode and V2DImode.
978
979 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
980
981         PR target/49448
982         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
983         detecting big-endian triplets.
984
985 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
986
987         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
988         mode if there is no type information available.
989
990 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
991
992         PR tree-optimization/53207
993         * doc/invoke.texi: Document as experimental and relying on graphite.
994
995 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
996
997         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
998         of initializer to changes from r184614.
999
1000 2012-02-28  Richard Guenther  <rguenther@suse.de>
1001
1002         PR tree-optimization/52395
1003         * tree-sra.c (build_ref_for_offset): Also look at the base
1004         TYPE_ALIGN when figuring out the alignment of the replacement.
1005
1006 2012-02-28  Richard Guenther  <rguenther@suse.de>
1007
1008         PR tree-optimization/52402
1009         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1010         mis-aligned types when creating the accesses at the call site.
1011
1012 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1013
1014         * config/avr/builtins.def: New file.
1015         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1016         * config/avr/avr.c (enum avr_builtin_id): Use it.
1017         (avr_init_builtins): Use it. And use avr_bdesc.
1018         (bdesc_1arg): Remove.
1019         (bdesc_2arg): Remove.
1020         (bdesc_3arg): Remove.
1021         (struct avr_builtin_description): Add field n_args.
1022         (avr_bdesc): New static variable using builtins.def.
1023         (avr_expand_builtin): Use it.
1024         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1025         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1026         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1027
1028 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1029
1030         PR target/52148
1031         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1032         match only one single hard register with respective hard reg rtx.
1033         (movmemx_<mode>): Ditto.
1034         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1035         insn anatomy of movmem[x]_<mode>.
1036         (avr_out_movmem): Same for printing assembler and operand usage.
1037
1038 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1039
1040         PR target/49868
1041         PR target/52261
1042         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1043         address spaces located outside of device flash.
1044
1045         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1046         (mcu_type_s): Add field n_flash.
1047         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1048         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1049         (AVR_MCU): Add N_FLASH argument.
1050         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1051         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1052         macro __FLASH<n> if that address space makes sense for the device.
1053         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1054         outside of target flash.
1055         (avr_asm_named_section): Ditto.
1056         (avr_asm_select_section): Ditto.
1057         (avr_addr_space_convert): Ditto.
1058         (avr_emit_movmemhi): Ditto.
1059         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1060         address space is outside of device flash.
1061         (avr_insert_attributes): Ditto.
1062         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1063         avr_current_arch->n_segments.
1064
1065 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1066
1067         PR target/52352
1068         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1069         TARGET_LP64.
1070         (*movabs<mode>_2): Likewise.
1071
1072 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1073
1074         PR target/52375
1075         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1076         s_register_operand in the test instead of REG_P.  Don't call
1077         gen_reg_rtx if it won't be used.
1078
1079         PR tree-optimization/52376
1080         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1081
1082 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1083
1084         * ifcvt.c (noce_get_condition): Check condition variable is not
1085         small_register_classes_for_mode_p before accepting.
1086
1087 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1088
1089         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1090
1091 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1092
1093         Revert:
1094         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1095         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1096         tuning parameters.
1097         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1098
1099 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1100
1101         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1102
1103 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1104
1105         * config/sh/predicates.md: Remove blank lines.
1106         * config/sh/sh.c: Fix typos in comments.
1107         * config/sh/constraints.md: Likewise.
1108         * config/sh/sh.md: Remove blank lines.
1109         Fix typos in comments.  Use ;; as comment characters.
1110
1111 2012-02-26  Walter Lee  <walt@tilera.com>
1112
1113         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1114         (replace_mov_pcrel_step2): Ditto.
1115
1116 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1117
1118         PR debug/52001
1119         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1120         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1121         and locs that reference values newer than the non-canonical value
1122         at hand.  Return the canonical value as a worst case.
1123         (memrefs_conflict_p): Walk canonical value's locs.
1124
1125         PR debug/52001
1126         * cselib.c (preserve_only_constants): Rename to...
1127         (preserve_constants_and_equivs): ... this.  Split out...
1128         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1129         of other preserved expressions too.
1130         (cselib_reset_table): Adjust.
1131         * var-tracking.c (reverse_op): Use canonical value to build
1132         reverse operation.
1133
1134 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1135
1136         * config/i386/i386.c (ix86_delegitimize_address): Handle
1137         UNSPEC_PCREL plus displacement.
1138
1139 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1140
1141         PR target/52261
1142         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1143         to test for unusedness in st X addressing.
1144
1145 2012-02-24  Richard Guenther  <rguenther@suse.de>
1146
1147         PR middle-end/52361
1148         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1149         (is_gimple_reg_type): Move inline ...
1150         * gimple.h (is_gimple_reg_type): ... here.
1151
1152 2012-02-24  Richard Guenther  <rguenther@suse.de>
1153
1154         PR middle-end/52361
1155         * passes.c (execute_function_todo): When verifying SSA form
1156         verify gimple form first.
1157         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1158
1159 2012-02-24  Richard Guenther  <rguenther@suse.de>
1160
1161         PR middle-end/52355
1162         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1163         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1164
1165 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1166
1167         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1168
1169 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1170
1171         * tree-phinodes.c (make_phi_node): Mark static.
1172         * tree-flow.h (make_phi_node): Remove extern decl.
1173         * doc/gimple.texi (make_phi_node): Remove documentation.
1174
1175 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1176
1177         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1178         * tree-ssa-sccvn.c (print_scc): Ditto.
1179
1180 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1181
1182         * doc/passes.texi (Full redundancy elimination): Fix typo.
1183
1184 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1185
1186         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1187
1188 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1189
1190         PR bootstrap/52287
1191         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1192
1193 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1194
1195         PR c/52290
1196         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1197
1198 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1199
1200         * config/avr/avr.md (code_stdname): Add ior, xor.
1201         (xior): New code iterator.
1202         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1203         (*<code_stdname><mode>qi.byte1-3): Ditto.
1204
1205 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1206
1207         PR tree-optimization/52019
1208         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1209         CLOBBER stmts.
1210
1211 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1212
1213         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1214         HAVE_INITFINI_ARRAY to work around namespace pollution in
1215         certain versions of newlib system headers.
1216         * config.in: Regenerate.
1217         * configure: Regenerate.
1218         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1219         instead of HAVE_INITFINI_ARRAY.
1220
1221 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         PR target/52330
1224         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1225         is not offsettable memory reference.
1226
1227 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1228
1229         PR target/18145
1230         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1231         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1232
1233 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1234
1235         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1236         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1237
1238 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1239
1240         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1241         library on Solaris 8 even without TLS support.
1242         * configure: Regenerate.
1243
1244 2012-02-22  Richard Guenther  <rguenther@suse.de>
1245
1246         PR middle-end/52329
1247         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1248         for GIMPLE_DEBUG stmts.
1249
1250 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1251
1252         PR middle-end/51782
1253         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1254         according to the base object.
1255
1256 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1257
1258         PR rtl-optimization/50063
1259         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1260         and 2 (8-bit SP) in operand 2.
1261         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1262         setup to use movhi_sp_r instead of vanilla move to write SP.
1263         Adjust REG_CFA notes to superseed unspec.
1264         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1265         of vanilla move.
1266         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1267         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1268         irq_state 1 (IRQ known to be on) here.
1269
1270 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1271
1272         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1273         WORDS_BIG_ENDIAN.
1274         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1275         assign_hard_reg): Likewise.
1276
1277 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1278
1279         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1280
1281 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1282
1283         * config/avr/avr.md
1284         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1285         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1286
1287 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1288
1289         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1290         prototype from here to...
1291         * config/avr/avr.h: ...here.
1292
1293 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1294
1295         PR target/52294
1296         * thumb2.md (thumb2_shiftsi3_short): Split register and
1297         immediate shifts.  For register shifts tie operands 0 and 1.
1298         (peephole2 for above): Check that register-controlled shifts
1299         have suitably tied operands.
1300
1301 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1302
1303         PR target/52137
1304         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1305         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1306         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1307         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1308         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1309         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1310         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1311         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1312         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1313         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1314         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1315         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1316         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1317         bdver1_ssevector_avx256_unaligned_load,
1318         bdver1_ssevector_sse128_unaligned_load,
1319         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1320         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1321         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1322         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1323         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1324         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1325         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1326         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1327         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1328         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1329         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1330         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1331         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1332         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1333         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1334         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1335         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1336         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1337         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1338         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1339         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1340         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1341         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1342         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1343         bdver1_ssediv_double_load, bdver1_ssediv_double,
1344         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1345         Add "bdver2" attribute.
1346
1347 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1348
1349         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1350         default if possible and not specified otherwise.
1351
1352 2012-02-21  Richard Guenther  <rguenther@suse.de>
1353
1354         PR middle-end/52314
1355         * gimplify.c (create_tmp_from_val): Use the main variant type
1356         for the type of the temporary we create.
1357
1358 2012-02-21  Richard Guenther  <rguenther@suse.de>
1359
1360         PR tree-optimization/52324
1361         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1362         do not gimplify a MEM_REF address operand if it is already
1363         in suitable form.
1364
1365 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1366
1367         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1368         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1369
1370 2012-02-21  Richard Guenther  <rguenther@suse.de>
1371
1372         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1373         nested_in_vect_loop.
1374
1375 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1376
1377         PR tree-optimization/52318
1378         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1379         vdef also to non-pure/const call stmts in the sequence.
1380
1381 2012-02-20  David S. Miller  <davem@davemloft.net>
1382
1383         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1384         don't use the "rd %pc" instruction on v9 for PIC register loads.
1385
1386 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1387
1388         PR middle-end/52141
1389         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1390         in a transaction safe function.
1391
1392 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1393
1394         PR target/52238
1395         * stor-layout.c (place_field): Handle desired_align for
1396         ms-bitfields, too.
1397
1398 2012-02-20  Richard Guenther  <rguenther@suse.de>
1399
1400         PR tree-optimization/52298
1401         * tree-vect-stmts.c (vectorizable_store): Properly use
1402         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1403         outer loops.
1404         (vectorizable_load): Likewise.
1405         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1406         Access DR_STEP after ensuring it is not NULL.
1407
1408 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1409
1410         PR tree-optimization/52286
1411         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1412         optimization use double_int_to_tree instead of build_int_cst_wide,
1413         rewrite to use double_int vars.
1414
1415 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1416
1417         PR target/50166
1418         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1419         Define _start.
1420         Remove -e 0 from $gcc_cv_ld invocation.
1421         Only use __GLIBC_PREREQ if defined.
1422         Enable on Solaris since Solaris 8 patch.
1423         (gcc_SUN_LD_VERSION): New macro.
1424         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1425         gcc_SUN_LD_VERSION for version number format.
1426         * configure: Regenerate.
1427         * varasm.c (get_elf_initfini_array_priority_section): Set
1428         SECTION_NOTYPE for non-default priority.
1429         Use get_section instead of get_unnamed_section to emit
1430         .init_array/.fini_array with default priority.
1431
1432 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1433
1434         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1435         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1436         (mips_start_unique_function, mips_output_mips16_rdhwr)
1437         (mips_code_end): New functions.
1438         (TARGET_ASM_CODE_END): Define.
1439
1440 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1441
1442         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1443         to stubs with non-sibling calls.
1444
1445 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1446
1447         * doc/invoke.texi (-fira-* options): Copy-edit.
1448         (ira-* parameters): Copy-edit.
1449
1450 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1451
1452         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1453         GCC coding conventions.
1454
1455 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1456
1457         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1458         when used as adjectives.
1459
1460 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1461
1462         * doc/invoke.texi: Clean up "that"/"which" confusion.
1463
1464 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1465
1466         * system.h: Poison SMALL_REGISTER_CLASSES
1467         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1468         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1469
1470 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1471
1472         PR tree-optimization/52285
1473         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1474         when deciding if a call is a tail call or tail recursion.
1475
1476 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1477
1478         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1479         interger-constant displacement for UNSPEC_PCREL.
1480
1481 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1482
1483         PR rtl-optimization/52208
1484         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1485         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1486
1487         PR tree-optimization/52255
1488         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1489         loop->header has virtual PHI, but exit_e->dest doesn't, add
1490         virtual PHI to exit_e->dest and adjust all uses after the loop.
1491
1492         PR debug/52260
1493         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1494         children with clone_tree_hash, not after it.
1495
1496 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1497
1498         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1499         extended identifiers.
1500
1501 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1502
1503         PR middle-end/51929
1504         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1505         a same_body_alias, also test whether e->callee isn't a former
1506         or current clone of the decl this is a same body alias of.
1507
1508         PR translation/52264
1509         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1510
1511 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1512
1513         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1514
1515 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1516
1517         PR target/52199
1518         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1519         force_reg instead of copy_to_reg for better optimization.  Force
1520         non-register or memory operands into a register.
1521
1522 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1523
1524         * extend.texi: Reserve upper bits of memory model for future use.
1525
1526 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1527             Anatoly Sokolov <aesok@post.ru>
1528             Eric Weddington <eric.weddington@atmel.com>
1529
1530         PR target/52261
1531         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1532         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1533         Rewrite initializers for .macro.
1534         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1535         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1536         atxmega32d4, atxmega32x1.
1537         avrxmega4: atxmega64a3, atxmega64d3.
1538         avrxmega5: atxmega64a1, atxmega64a1u.
1539         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1540         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1541         avrxmega7: atxmega128a1, atxmega128a1u.
1542         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1543         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1544         (struct base_arch_s): Rename reserved to xmega_p.
1545         Rename reserved2 to have_rampd.
1546         (AVR_XMEGA): New define.
1547         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1548         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1549         * config/avr/predicates.md (io_address_operand): Take into
1550         account SFR offset.
1551         (low_io_address_operand): Ditto.
1552         (high_io_address_operand): Ditto.
1553         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1554         (enabled, movhi_sp_r): Use them.
1555         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1556         cpp_define_formatted to built-in define __AVR_ARCH__.
1557         (__AVR_XMEGA__): New built-in define.
1558         (__AVR_HAVE_RAMPD__): New built-in define.
1559         (__AVR_HAVE_RAMPX__): New built-in define.
1560         (__AVR_HAVE_RAMPY__): New built-in define.
1561         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1562
1563         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1564         (avr_option_override): Initialize them.
1565         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1566         (avr_init_expanders): Initialize them. No more block several calls.
1567         (emit_push_sfr): New static function.
1568         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1569         Handle AVR_XMEGA.
1570         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1571         (avr_print_operand): Print addreeses as symbols for
1572         RAMPX, RAMPY, RAMPD, CCP.
1573         (output_movhi): Handle AVR_XMEGA when writing to SP.
1574         (avr_out_movhi_mr_r_xmega): New static function.
1575         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1576         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1577         __RAMPD__,  __CCP__ as needed.
1578
1579         * config/avr/multilib.h: Regenerate.
1580         * config/avr/t-multilib: Regenerate.
1581         * config/avr/avr-tables.opt: Regenerate.
1582
1583 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1584
1585         PR tree-optimization/50561
1586         * graphite-flattening.c (lst_project_loop): Do not
1587         remove old scattering dimensions after flattening.
1588         (lst_do_flatten): Likewise.
1589
1590 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1591
1592         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1593         __builtin_avr_map8, __builtin_avr_map16.
1594         Document __builtin_avr_insert_bits.
1595
1596         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1597         (insert_bits): New insn.
1598         (adjust_len.map_bits): Rename to insert_bits.
1599         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1600         * avr-protos.h (avr_out_map_bits): Remove.
1601         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1602         * config/avr/constraints.md (Cxf,C0f): New.
1603         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1604         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1605         New built-in define __BUILTIN_AVR_INSERT_BITS.
1606         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1607         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1608         (avr_move_bits): Rewrite.
1609         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1610         functions.
1611         (avr_map_op_t): New typedef.
1612         (avr_map_op): New static variable.
1613         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1614         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1615         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1616         (bdesc_3arg, avr_expand_triop_builtin): New.
1617         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1618         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1619         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1620         (avr_map_equal_p, avr_map_sig_p): Remove.
1621         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1622         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1623         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1624         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1625         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1626         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1627
1628 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1629
1630         * config/c6x/c6x.md (reserve_cycles): New attribute.
1631         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1632         don't reserve functional units after the branch occurs.
1633
1634 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1635
1636         PR middle-end/52142
1637         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1638         functions into non-tm_pure functions.
1639
1640 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1641
1642         PR lto/52178
1643         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1644         (iterative_hash_canonical_type): Likewise.
1645         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1646         the dead edges.
1647
1648 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1649
1650         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1651         sched-group insn, it either remains alone or the entire list is pruned.
1652
1653 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1654
1655         * doc/install.texi (Prerequisites): Fix grammar.
1656         (Configuration): Likewise.
1657
1658 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1659
1660         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1661         MPC as part of GCC before describing configuring with --with-gmp etc.
1662         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1663         sources are present.
1664
1665 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1666
1667         PR debug/51950
1668         * dwarf2out.c (clone_tree_hash): New function.
1669         (copy_decls_walk): Use it instead of clone_tree.
1670
1671 2012-02-14  Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/52244
1674         PR tree-optimization/51528
1675         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1676         replacements for integral types.
1677
1678 2012-02-14  Walter Lee  <walt@tilera.com>
1679
1680         * config.gcc: Handle tilegx and tilepro.
1681         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1682         tilegx and tilepro.
1683         Add HAVE_AS_TLS check for tilegx and tilepro.
1684         * configure: Regenerate.
1685         * doc/contrib.texi: Add Mat Hostetter and self.
1686         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1687         Document instruction intrinsics and network accessing intrinsics.
1688         (TILEPro Built-in Functions): New node.  Document instruction
1689         intrinsics and network accessing intrinsics.
1690         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1691         (Specific, tilepro-*-linux*): Likewise.
1692         * doc/invoke.texi (TILE-Gx Options): New section.
1693         (TILEPro Options): New section.
1694         * doc/md.texi (TILE-Gx): New section.
1695         (TILEPro): New section.
1696         * common/config/tilegx/tilegx-common.c: New file.
1697         * common/config/tilepro/tilepro-common.c: New file.
1698         * config/tilegx/constraints.md: New file.
1699         * config/tilegx/linux.h: New file.
1700         * config/tilegx/mul-tables.c: New file.
1701         * config/tilegx/predicates.md: New file.
1702         * config/tilegx/sync.md: New file.
1703         * config/tilegx/t-tilegx: New file.
1704         * config/tilegx/tilegx-builtins.h: New file.
1705         * config/tilegx/tilegx-c.c: New file.
1706         * config/tilegx/tilegx-generic.md: New file.
1707         * config/tilegx/tilegx-modes.def: New file.
1708         * config/tilegx/tilegx-multiply.h: New file.
1709         * config/tilegx/tilegx-protos.h: New file.
1710         * config/tilegx/tilegx.c: New file.
1711         * config/tilegx/tilegx.h: New file.
1712         * config/tilegx/tilegx.md: New file.
1713         * config/tilegx/tilegx.opt: New file.
1714         * config/tilepro/constraints.md: New file.
1715         * config/tilepro/gen-mul-tables.cc: New file.
1716         * config/tilepro/linux.h: New file.
1717         * config/tilepro/mul-tables.c: New file.
1718         * config/tilepro/predicates.md: New file.
1719         * config/tilepro/t-tilepro: New file.
1720         * config/tilepro/tilepro-builtins.h: New file.
1721         * config/tilepro/tilepro-c.c: New file.
1722         * config/tilepro/tilepro-generic.md: New file.
1723         * config/tilepro/tilepro-modes.def: New file.
1724         * config/tilepro/tilepro-multiply.h: New file.
1725         * config/tilepro/tilepro-protos.h: New file.
1726         * config/tilepro/tilepro.c: New file.
1727         * config/tilepro/tilepro.h: New file.
1728         * config/tilepro/tilepro.md: New file.
1729         * config/tilepro/tilepro.opt: New file.
1730
1731 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1732
1733         PR tree-optimization/52210
1734         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1735         vect_model_simple_cost with two entry vect_def_type array instead
1736         of an address of dt.
1737
1738 2012-02-14  Richard Guenther  <rguenther@suse.de>
1739
1740         PR lto/52178
1741         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1742         Do not stream DECL_QUALIFIER.
1743         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1744         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1745         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1746
1747 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1748
1749         PR c/52181
1750         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1751         newdecl.
1752
1753 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1754
1755         PR bootstrap/52172
1756         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1757         * cselib.c (cselib_subst_to_values_from_insn): New function.
1758         * sched-deps.c (add_insn_mem_dependence,
1759         sched_analyze_1, sched_analyze_2): Use it.
1760
1761 2012-02-13  Jan Hubicka  <jh@suse.cz>
1762
1763         PR middle-end/52214
1764         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1765
1766 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1767
1768         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1769         (GTM_SELF_SPECS): Define if not already defined.
1770         (driver_self_specs): Add GTM_SELF_SPECS.
1771         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1772         (GTM_SELF_SPECS): Define.
1773         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1774         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1775
1776 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1777
1778         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1779         away if seen.
1780
1781         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1782
1783         PR middle-end/52230
1784         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1785         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1786
1787 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1788
1789         PR c/52190
1790         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1791
1792 2012-02-13  Richard Guenther  <rguenther@suse.de>
1793
1794         PR translation/52211
1795         * passes.c (enable_disable_pass): Fix typo.
1796
1797 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1798
1799         PR middle-end/52209
1800         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1801         XOR for reduce_bit_field if type is unsigned.
1802
1803 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1804
1805         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1806         disallow changes from SFmode to mode with different size in FP regs.
1807
1808 2012-02-12  Robert Millan  <rmh@gnu.org>
1809             Gerald Pfeifer <gerald@pfeifer.com>
1810
1811         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1812         Tweak comment.
1813
1814 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1815
1816         PR rtl-optimization/52175
1817         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1818         to frame-related instructions.
1819
1820 2012-02-10  Jason Merrill  <jason@redhat.com>
1821
1822         PR c++/51910
1823         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1824         (demangle_new_symbols): Fill it.
1825         (scan_linker_output): Walk it.
1826         (start_tweaking): Split out from scan_linker_output.
1827         (maybe_tweak): Update sym->chosen.
1828         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1829
1830 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1831
1832         PR debug/52132
1833         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1834
1835 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1836
1837         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1838         having the same mode as previous compare.
1839
1840 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1841
1842         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1843         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1844         (nonlocal_goto_internal): Likewise.
1845         (nonlocal_goto): Emit a use and an indirect jump directly.
1846
1847 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1848
1849         PR c/52190
1850         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1851         __atomic_{is,always}_lock_free.
1852
1853 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1854
1855         PR target/52146
1856         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1857         negative constant address for x32.
1858
1859 2012-02-10  Richard Henderson  <rth@redhat.com>
1860
1861         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1862         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1863         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1864
1865 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1866             Ira Rosen  <irar@il.ibm.com>
1867
1868         PR tree-optimization/50031
1869         * targhooks.c (default_builtin_vectorization_cost): Handle
1870         vec_promote_demote.
1871         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1872         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1873         all types of reduction and pattern statements.
1874         (vect_estimate_min_profitable_iters): Likewise.
1875         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1876         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1877         for explicit realigns.
1878         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1879         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1880         vec_promote_demote.
1881         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1882         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1883         vec_perm for VSX and handle vec_promote_demote.
1884
1885 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1886
1887         PR middle-end/52177
1888         * builtins.c (fold_builtin_atomic_always_lock_free,
1889         expand_builtin_atomic_always_lock_free,
1890         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1891         Return and/or test boolean_true_node/boolean_false_node instead of
1892         integer_one_node/integer_zero_node.
1893
1894 2012-02-10  Jan Hubicka  <jh@suse.cz>
1895
1896         PR middle-end/48600
1897         * predict.c (predict_paths_for_bb): Prevent looping.
1898         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1899
1900 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1901
1902         * config/arm/arm.c (output_move_double): In one case properly
1903         count number of instructions that will be emitted.
1904
1905 2012-02-10  Richard Guenther  <rguenther@suse.de>
1906
1907         PR translation/52193
1908         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1909
1910 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1911
1912         PR middle-end/52140
1913         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1914
1915 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR debug/52165
1918         * var-tracking.c (emit_note_insn_var_location): If
1919         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1920         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1921         non-NOTE_DURING_CALL_P insn.
1922
1923 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1924
1925         PR middle-end/51867
1926         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1927
1928 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1929
1930         PR driver/48524
1931         * gcc.c (switch_matches) Support switches with separated form,
1932         -D and -U.
1933
1934 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1935
1936         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1937         (SP_ADDR): Ditto.
1938         (RAMPZ_ADDR): Ditto.
1939         * config/avr/avr.c (avr_addr_t): New typedef.
1940         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1941         (avr_init_expanders): Initialize it.
1942         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1943         SREG_ADDR.
1944         (expand_epilogue): Ditto.
1945         (avr_print_operand): Ditto.
1946         (avr_file_start): Ditto.
1947         (avr_emit_movmemhi): Ditto.
1948
1949 2012-02-08  Richard Guenther  <rguenther@suse.de>
1950
1951         PR tree-optimization/46886
1952         * tree-flow.h (do_while_loop_p): Declare.
1953         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1954         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1955
1956 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1957
1958         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1959         always succeed for integers larger than a native word.
1960
1961 2012-02-08  Richard Guenther  <rguenther@suse.de>
1962
1963         PR rtl-optimization/52170
1964         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1965         properly handle integer vector modes.
1966
1967 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1968
1969         PR gcov-profile/52150
1970         * coverage.c: Include target.h.
1971         (build_var): Call targetm.strip_name_encoding on the assembler name.
1972         Change one _ into . or $ if the target allows it.
1973         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1974
1975         PR rtl-optimization/52139
1976         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1977         is a BARRIER after emit_insn_after_noloc, move BB_END
1978         to the last non-BARRIER insn before it.
1979
1980 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1981
1982         PR middle-end/24306
1983         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1984         (mips_gimplify_va_arg_expr): Call it instead of
1985         std_gimplify_va_arg_expr.
1986
1987 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1988
1989         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1990         message for -mno-pointers-to-nested-function.
1991
1992 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1993
1994         PR middle-end/51994
1995         * expr.c (get_inner_reference): If there is an offset, add a negative
1996         bit position to it (if any).
1997
1998 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1999
2000         PR rtl-optimization/52060
2001         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2002         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2003         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2004         and/or i0src_copy2 when needed.
2005
2006 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2007
2008         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2009         or LTOPLUGINSONAME if have_c.
2010
2011         * config/freebsd-spec.h: Add comment about what macros can be defined
2012         in this header.
2013         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2014         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2015         here instead.
2016
2017 2012-02-07  Richard Guenther  <rguenther@suse.de>
2018
2019         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2020         newline in -alias dumps.
2021
2022 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2023             Dave Korn  <dave.korn.cygwin@gmail.com>
2024
2025         PR target/40068
2026         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2027         Take care that typinfo gets dllexport-attribute.
2028
2029 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2030
2031         PR middle-end/52074
2032         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2033         if modifier < EXPAND_SUM call force_operand on the result.
2034
2035 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2036
2037         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2038         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2039         present.
2040         (epiphany_function_type): Replace types for specific interrupts with
2041         EPIPHANY_FUNCTION_INTERRUPT.
2042         (EPIPHANY_INTERRUPT_P): Update.
2043         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2044         New static function.
2045         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2046         <disinterrupt>: Affects type identity.
2047         (epiphany_handle_interrupt_attribute): Handle variable number of
2048         arguments.
2049         (epiphany_compute_function_type): Update for new
2050         epiphany_function_type definition.
2051         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2052         handlers with a longcall forwarder.
2053         (epiphany_start_function): Handle multiple interrupt arguments and/or
2054         forwarder_section attribute.
2055
2056         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2057         libgloss.
2058
2059 2012-02-07  Alan Modra  <amodra@gmail.com>
2060
2061         PR target/52107
2062         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2063         subregs of TFmode.
2064
2065 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2066
2067         PR tree-optimization/50969
2068         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2069         use vec_perm rather than vector_stmt.
2070         (vect_model_load_cost): Likewise.
2071         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2072         vec_perm to be the same as other vector statements.
2073         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2074         cost of vec_perm for TARGET_VSX.
2075
2076 2012-02-06  Richard Guenther  <rguenther@suse.de>
2077
2078         PR tree-optimization/52115
2079         * tree-sra.c (access_has_replacements_p): New function.
2080         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2081
2082 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2083
2084         PR middle-end/52047
2085         * trans-mem.c (expand_call_tm): Add an assertion.
2086         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2087         functions.
2088
2089 2012-02-06  Richard Guenther  <rguenther@suse.de>
2090
2091         PR tree-optimization/50955
2092         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2093         raise cost of expressions that replace an address with an
2094         expression based on a different pointer.
2095
2096 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2097
2098         PR target/52129
2099         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2100         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2101
2102 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2103
2104         PR c++/48680
2105         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2106         -Weffc++ and specify guidelines come from second edition.
2107
2108 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2109
2110         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2111         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2112         (call_direct_split, call_value_split, call_value_internal_direct)
2113         (call_value_direct_split, call_value_multiple_split): Use jal and
2114         jal_macro attributes.
2115
2116 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2117
2118         * reload1.c (reload_regs_reach_end_p): Replace with...
2119         (reload_reg_rtx_reaches_end_p): ...this function.
2120         (new_spill_reg_store): Update commentary.
2121         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2122         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2123         before setting new_spill_reg_store.
2124         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2125         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2126         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2127         for non-spill reload registers.
2128
2129 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2130
2131         PR tree-optimization/52091
2132         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2133         (vect_is_simple_use_1): Likewise.
2134         * tree-vect-loop.c (vectorizable_reduction): Update calls
2135         to vect_is_simple_use_1 and vect_is_simple_use.
2136         (vectorizable_live_operation): Likewise.
2137         * tree-vect-patterns.c (widened_name_p,
2138         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2139         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2140         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2141         vectorizable_shift,vectorizable_operation, vectorizable_store,
2142         vectorizable_load): Likewise.
2143         (vect_is_simple_cond): Add an argument, pass it to
2144         vect_is_simple_use_1.
2145         (vectorizable_condition): Update calls to vect_is_simple_cond,
2146         vect_is_simple_use.
2147         (vect_is_simple_use): Add an argument, the statement in which
2148         OPERAND is used.  Check that if OPERAND's def stmt is a double
2149         reduction phi node, the use is a phi node too.
2150         (vect_is_simple_use_1): Add an argument, pass it to
2151         vect_is_simple_use.
2152         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2153         to vect_is_simple_use.
2154
2155 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2156
2157         PR rtl-optimization/52095
2158         * modulo-sched.c (dump_insn_locator): New function.
2159         (loop_canon_p, sms_schedule): Use it.
2160
2161         PR rtl-optimization/52113
2162         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2163         even for decomposable shift/zext insns.
2164
2165 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2166             Zdenek Dvorak  <ook@ucw.cz>
2167
2168         PR rtl-optimization/52092
2169         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2170         on get_iv_value result.
2171
2172 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2173
2174         PR middle-end/47982
2175         PR middle-end/43967
2176         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2177
2178 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2179
2180         PR middle-end/48071
2181         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2182
2183 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2184
2185         PR rtl-optimization/49800
2186         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2187         (sched_finish): Call regstat_free_n_sets_and_refs.
2188
2189 2012-02-02  Jia Liu  <proljc@gmail.com>
2190
2191         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2192         than operand 2.
2193
2194 2012-02-02  Jan Hubicka  <jh@suse.cz>
2195             Tom de Vries  <tom@codesourcery.com>
2196
2197         PR middle-end/51998
2198         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2199         * varpool.c (varpool_analyze_pending_decls): Likewise.
2200
2201 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2202             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2203
2204         * config.gcc: Add cr16-* support.
2205
2206         * doc/extend.texi: Document cr16 extensions.
2207         * doc/install.texi: Document cr16 install.
2208         * doc/invoke.texi: Document cr16 options.
2209         * doc/md.texi: Document cr16 constraints.
2210
2211         * common/config/cr16/cr16-common.c: New file.
2212         * config/cr16/cr16.c: New file.
2213         * config/cr16/cr16.h: New file.
2214         * config/cr16/cr16.md: New file.
2215         * config/cr16/cr16.opt: New file.
2216         * config/cr16/cr16-protos.h: New file.
2217         * config/cr16/predicates.md: New file.
2218         * config/cr16/constraints.md: New file.
2219         * config/cr16/t-cr16: New file.
2220
2221 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2222
2223         PR target/52086
2224         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2225         that operands[2] is either immediate, or q_regs_operand.
2226
2227         PR tree-optimization/52073
2228         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2229         a pattern stmt for pattern uses, ignore uses outside of the loop.
2230
2231 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2232
2233         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2234         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2235         (OUT_AS1, OUT_AS2): Remove.
2236
2237 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2238
2239         PR rtl-optimization/51374
2240         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2241         to cross other volatile_refs_p insns.
2242
2243 2012-02-01  Richard Guenther  <rguenther@suse.de>
2244
2245         * doc/invoke.texi (fno-inline): Clarify documentation.
2246         (finline-small-functions): Likewise.
2247         (finline-functions): Likewise.
2248         * common.opt (finline): Adjust comment and documentation.
2249         (finline-small-functions): Clarify documentation.
2250         (finline-functions): Likewise.
2251         (finline-functions-called-once): Likewise.
2252
2253 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2254
2255         * c-typeck.c (composite_type): Keep mode for pointers.
2256
2257 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2258
2259         * function.h (regno_reg_rtx): Adjust comment.
2260         * reginfo.c (init_reg_modes_target): Only use the previous mode
2261         if it fits within one register.  Remove MIPS comment.
2262
2263 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2264
2265         PR bootstrap/52058
2266         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2267
2268 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2269
2270         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2271         to srak instruction.
2272
2273 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2274
2275         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2276
2277 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2278
2279         PR bootstrap/52041
2280         PR bootstrap/52039
2281         PR target/51974
2282         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2283
2284 2012-01-31  Richard Guenther  <rguenther@suse.de>
2285
2286         PR tree-optimization/51528
2287         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2288         assigns.
2289
2290 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2291
2292         PR bootstrap/52041
2293         PR bootstrap/52039
2294         PR target/51974
2295         * ree.c (add_removable_extension): Change def_map argument
2296         to unsigned *, store in def_map 1 + offset into *insn_list vector
2297         instead of pointers into the vector.
2298         (find_removable_extensions): Adjust caller.
2299
2300 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2301
2302         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2303         Transform all "* quoted-c-code" to { c-code }.
2304         Remove redundant test for "optimize" in combine patterns.
2305         Move (include "avr-dimode.md") to end of file.
2306
2307 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2308
2309         PR target/51835
2310         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2311         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2312
2313 2012-01-30  Richard Guenther  <rguenther@suse.de>
2314
2315         PR tree-optimization/52028
2316         * tree-loop-distribution.c (ldist_gen): Properly update
2317         virtual SSA form.
2318
2319 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2320
2321         PR debug/52027
2322         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2323         set_cur_line_info_table if not emitting debug info.
2324
2325         PR tree-optimization/52046
2326         * tree-vect-patterns.c (check_bool_pattern): Give up if
2327         a comparison could throw.
2328
2329         PR debug/52048
2330         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2331
2332 2012-01-30  Richard Guenther  <rguenther@suse.de>
2333
2334         PR tree-optimization/52045
2335         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2336         SSA form if cfgcleanup did anything.
2337
2338 2012-01-30  Richard Guenther  <rguenther@suse.de>
2339
2340         PR tree-optimization/52045
2341         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2342         before computing final todo.
2343
2344 2012-01-30  Richard Guenther  <rguenther@suse.de>
2345
2346         PR tree-optimization/51528
2347         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2348         for PR51528 fix.
2349
2350 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2351
2352         * df-problems.c (df_kill_notes): Check that the use refers
2353         to the note under examination.
2354
2355 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2356
2357         PR target/51920
2358         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2359         parameter and use short-lived pseudos.
2360         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2361         (sparc_expand_vector_init): Const-ify local variables and adjust
2362         calls to above functions.
2363
2364 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2365
2366         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2367
2368 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2369
2370         * doc/invoke.texi: Make usage of "compile time" and
2371         "run time"/"runtime" consistent throughout the file.
2372
2373 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2374
2375         * config/alpha/alpha.c (alpha_option_override): Default to
2376         full IEEE compliance mode for Go language.
2377
2378 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2379
2380         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2381         (LINK_SSP_SPEC): Define.
2382
2383 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2384
2385         PR target/51871
2386         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2387         stubs.
2388
2389 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2390
2391         * doc/invoke.texi: Correct hyphenation of "floating point",
2392         "double precision", and related terminology throughout the file.
2393
2394 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2395
2396         PR target/52006
2397         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2398         arm_general_register_operand predicate for operand 2 instead of
2399         register_operand.
2400
2401 2012-01-27  Ian Lance Taylor  <iant@google.com>
2402
2403         PR go/47656
2404         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2405         * builtins.c (expand_builtin_init_trampoline): Add onstack
2406         parameter.  Change caller.
2407         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2408         * tree.c (build_common_builtin_nodes): Declare
2409         __builtin_init_heap_trampoline.
2410
2411 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2412
2413         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2414         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2415         * config/avr/avr.c: Ditto.
2416         (avr_regnames): Remove because unused.
2417         * config/avr/avr.md (*cpse.ne): New peephole.
2418         (*cpse.eq): New peephole from former cpse peepholes.
2419
2420 2012-01-27  Michael Eager  <eager@eagercon.com>
2421
2422         * config/microblaze.c (microblaze_emit_compare): Correct
2423         test after pcmp instruction.
2424
2425 2012-01-27  Richard Guenther  <rguenther@suse.de>
2426
2427         PR tree-optimization/52020
2428         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2429
2430 2012-01-27  Richard Guenther  <rguenther@suse.de>
2431
2432         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2433         function non-const/pure.
2434
2435 2012-01-27  Richard Guenther  <rguenther@suse.de>
2436
2437         PR tree-optimization/50444
2438         * tree-sra.c (build_ref_for_offset): Properly adjust the
2439         MEM_REF type for unaligned accesses.
2440
2441 2012-01-27  Richard Guenther  <rguenther@suse.de>
2442
2443         PR tree-optimization/50444
2444         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2445         (expand_assignment): Use it.  Properly handle misaligned
2446         bases when expanding stores to component references.
2447         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2448         refactor that case.
2449
2450 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2451
2452         PR middle-end/51389
2453         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2454         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2455         * tree-data-ref.c (find_data_references_in_loop): Make static.
2456         (compute_all_dependences): Change return type to bool.  Bail out
2457         for too many datarefs in a loop.  Move the hunk resetting the data
2458         dependences vector from ...
2459         (compute_data_dependences_for_loop): ... here.  Account for
2460         compute_all_dependences returning false.
2461         (compute_data_dependences_for_bb): Likewise.
2462         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2463         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2464
2465 2012-01-27  Richard Guenther  <rguenther@suse.de>
2466
2467         PR middle-end/51959
2468         * expr.c (store_field): Use the alias-set of the scratch memory
2469         for storing to it.
2470
2471 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2472
2473         PR tree-optimization/51990
2474         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2475         WITH_SIZE_EXPR.
2476         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2477
2478 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2479
2480         PR debug/52001
2481         * var-tracking.c (reverse_op): Don't add any reverse operation
2482         if V already has any constant locations.
2483
2484 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2485
2486         * doc/invoke.texi: Correct usage of "command line" (noun)
2487         vs "command-line" (adjective) throughout.
2488
2489 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2490
2491         * doc/invoke.texi (Language Independent Options): Move
2492         -Wcoverage-mismatch blurb from here....
2493         (Warning Options): ...to here.
2494
2495 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2496
2497         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2498         Set rs6000_always_hint to false for 476.
2499
2500 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2501
2502         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2503           system root.
2504         * incpath.c (add_standard_paths): Likewise.
2505
2506 2012-01-27  Richard Henderson  <rth@redhat.com>
2507
2508         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2509         * config/m68k/sync.md (atomic_test_and_set): Rename from
2510         sync_test_and_setqi and adjust the operands.
2511         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2512         and unconditionally enable.
2513
2514 2012-01-27  Richard Henderson  <rth@redhat.com>
2515
2516         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2517         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2518         (ldstub): Rename from ldstubqi.
2519         (ldstub<I24MODE>): Remove.
2520
2521 2012-01-27  Richard Henderson  <rth@redhat.com>
2522
2523         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2524         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2525         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2526         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2527         * doc/tm.texi: Rebuild.
2528
2529 2012-01-27  Richard Henderson  <rth@redhat.com>
2530
2531         * optabs.c (gen_atomic_test_and_set): Remove default.
2532         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2533
2534 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2535
2536         PR rtl-optimization/51978
2537         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2538         (combine_reaching_defs): Likewise.
2539         (struct re_info): Remove.
2540         (add_removable_extension): Remove x and data arguments,
2541         add insn, insn_list and def_map.  Use the arguments directly
2542         instead of using struct re_info.
2543         (find_removable_extensions): Don't call add_removable_extension
2544         through note_stores, instead just call it with single_set
2545         result if non-NULL.
2546         (find_and_remove_re): Pass curr_cand->expr instead of
2547         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2548
2549 2012-01-26  Michael Matz  <matz@suse.de>
2550
2551         PR tree-optimization/46590
2552         * cfgexpand.c: Revert last change (r183305).
2553         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2554         regs.
2555         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2556         checking for emptiness.
2557
2558 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2559
2560         PR middle-end/51895
2561         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2562         non-addressable non-BLKmode base correctly.
2563
2564 2012-01-26  Michael Matz  <matz@suse.de>
2565
2566         PR tree-optimization/48794
2567         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2568         regions referenced from RESX/EH_DISPATCH.
2569
2570 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2571
2572         * config/s390/s390.h: Make BRANCH_COST an option.
2573         * config/s390/s390.opt: New option -mbranch-cost.
2574
2575 2012-01-26  Richard Henderson  <rth@redhat.com>
2576
2577         Revert 2012-01-24 change:
2578         * trans-mem.c (requires_barrier): Do not instrument thread local
2579         variables and emit save/restore for them.
2580
2581 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2582
2583         PR middle-end/51986
2584         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2585         for pat == 0.
2586
2587 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2588
2589         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2590         ASM_OPERANDS.
2591
2592 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2593
2594         PR target/49868
2595         Rename __pgm to __flash.
2596         Rename __pgm1 to __flash1.
2597         Rename __pgm2 to __flash2.
2598         Rename __pgm3 to __flash3.
2599         Rename __pgm4 to __flash4.
2600         Rename __pgm5 to __flash5.
2601         Rename __pgmx to __memx.
2602         * doc/extend.texi (AVR Named Address Spaces)
2603         Rename address space names as indicated above.
2604         * config/avr/avr.c (avr_addrspace): Ditto.
2605
2606         * config/avr/avr-protos.h
2607         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2608         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2609         * config/avr/predicates.md: Ditto.
2610         * config/avr/avr.c Ditto, and
2611         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2612         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2613
2614         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2615         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2616         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2617         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2618         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2619         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2620         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2621         * config/avr/avr.c: Ditto.
2622         * config/avr/avr.md: Ditto.
2623
2624 2012-01-25  Jason Merrill  <jason@redhat.com>
2625
2626         PR c++/51992
2627         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2628
2629 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2630
2631         PR tree-optimization/51987
2632         * tree-data-ref.c (get_references_in_stmt): Handle references in
2633         non-volatile GIMPLE_ASM.
2634
2635 2012-01-25  Richard Guenther  <rguenther@suse.de>
2636
2637         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2638         bases are dereferenced.
2639
2640 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2641
2642         PR rtl-optimization/48374
2643         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2644
2645 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2646
2647         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2648         compute_data_dependences_for_loop returns false.
2649         * tree-parloops.c (loop_parallel_p): Likewise.
2650
2651 2012-01-25  Richard Guenther  <rguenther@suse.de>
2652
2653         * tree.h (get_pointer_alignment_1): Declare.
2654         * builtins.c (get_pointer_alignment_1): New function.
2655         (get_pointer_alignment): Use it.
2656
2657 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2658
2659         PR rtl-optimization/48308
2660         * combine.c (enum undo_kind): Add UNDO_LINKS.
2661         (struct undo): Add member l to other_contents and where.
2662         (do_SUBST_LINK): New.
2663         (SUBST_LINK): New.
2664         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2665         (undo_all): Handle UNDO_LINKS.
2666
2667 2012-01-25  Richard Henderson  <rth@redhat.com>
2668
2669         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2670         mem inputs.
2671
2672 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2673
2674         * optabs.c (gen_atomic_test_and_set): Use each argument.
2675
2676 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2677
2678         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2679         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2680         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2681         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2682         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2683         TARGET_PAIRED_SINGLE_FLOAT.
2684
2685 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2686
2687         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2688         (in_struct, return_val): Remove MEM documentation.
2689         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2690         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2691         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2692         and MEM_SCALAR.
2693         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2694         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2695         * expr.c (store_field): Likewise.
2696         * function.c (assign_stack_temp_for_type): Likewise.
2697         * ifcvt.c (noce_try_cmove_arith): Likewise.
2698         * reload1.c (reload): Likewise.
2699         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2700         (alpha_set_memflags): Likewise.
2701         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2702
2703 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2704
2705         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2706         parameter.
2707         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2708         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2709         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2710         varies parameter.
2711         * cselib.c (cselib_rtx_varies_p): Delete.
2712         (cselib_invalidate_mem): Update call to canon_true_dependence.
2713         * dse.c (record_store, check_mem_read_rtx): Likewise.
2714         (scan_reads_nospill): Likewise.
2715         * cse.c (check_dependence): Likewise.
2716         (cse_rtx_varies_p): Delete.
2717         * expr.c (safe_from_p): Update call to true_dependence.
2718         * ira.c (validate_equiv_mem_from_store): Likewise.
2719         (memref_referenced_p): Likewise.
2720         * postreload-gcse.c (find_mem_conflicts): Likewise.
2721         * sched-deps.c (sched_analyze_2): Likewise.
2722         * store-motion.c (load_kills_store): Likewise.
2723         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2724         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2725         (compute_transp): Update call to canon_true_dependence.
2726
2727 2012-01-25  Richard Henderson  <rth@redhat.com>
2728
2729         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2730         (maybe_emit_atomic_test_and_set): New.
2731         (expand_sync_lock_test_and_set): Use it.
2732         (expand_atomic_test_and_set): Likewise.
2733         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2734         the implementation; clarify implementation defined details.
2735         * doc/md.texi (atomic_test_and_set): Document.
2736
2737 2012-01-25  Richard Henderson  <rth@redhat.com>
2738
2739         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2740
2741 2012-01-25  Richard Henderson  <rth@redhat.com>
2742
2743         PR target/51968
2744         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2745         to effect no-op split.
2746
2747 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2748
2749         PR lto/51698
2750         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2751         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2752         (BT_FN_VOID_PTR_INT_SIZE): New.
2753         (BT_FN_UINT_UINT_VAR): Remove.
2754         (BT_FN_UINT32_UINT32_VAR): New.
2755         (BT_FN_DOUBLE_VPTR): Remove.
2756         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2757
2758         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2759         (_ITM_changeTransactionMode): Same.
2760         (_ITM_memmoveRtWt): Change return type to void.
2761         (_ITM_memcpyRtWt): Same.
2762         (_ITM_memsetW): Same.
2763         (_ITM_RaRD): Change types to double.
2764         (_ITM_RD): Same.
2765         (_ITM_RaWD): Same.
2766         (_ITM_RfWD): Same.
2767
2768         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2769
2770 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2771             Patrick Marlier  <patrick.marlier@gmail.com>
2772
2773         * trans-mem.c (requires_barrier): Do not instrument thread local
2774         variables and emit save/restore for them.
2775
2776 2012-01-24  Jason Merrill  <jason@redhat.com>
2777
2778         PR c++/51812
2779         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2780         output static aliases.
2781
2782 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2783
2784         PR driver/47249
2785         * common.opt (-pie, -shared, pie, shared): Change from Common to
2786         Driver.
2787         * gcc.c (display_help): Display help for -pie and -shared.
2788
2789 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2790
2791         PR target/49868
2792         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2793         Remove note on size/offset limitation.
2794         (AVR Variable Attributes): Add example how to read data located
2795         with progmem.  Refer to named address spaces.
2796         * doc/invoke.texi (AVR Options): Fix typo.
2797
2798 2012-01-24  Richard Guenther  <rguenther@suse.de>
2799
2800         Forward-port to trunk
2801         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2802
2803         PR middle-end/45678
2804         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2805         op0 isn't sufficiently aligned and there is movmisalignM
2806         insn for mode, use it to load op0 into a temporary register.
2807
2808 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2809
2810         PR target/51957
2811         * target.def (const_not_ok_for_debug_p): New hook.
2812         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2813         documentation.
2814         * doc/tm.texi: Regenerated.
2815         * dwarf2out.c (const_ok_for_output_1): If
2816         targetm.const_not_ok_for_debug_p returns true, fail.
2817         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2818         function.
2819         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2820
2821 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2822
2823         PR target/51900
2824         * config/i386/predicates.md (symbolic_operand): Allow
2825         UNSPEC_PCREL as PIC expression for lea.
2826         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2827         * config/i386/i386.c (ix86_delegitimize_address): Handle
2828         UNSPEC_PCREL for none-MEM, too.
2829
2830 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2831
2832         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2833         (ipa_tm_create_version_alias): Same.
2834
2835 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2836
2837         PR libitm/51830
2838         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2839         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2840
2841 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2842             Patrick Marlier  <patrick.marlier@gmail.com>
2843             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2844
2845         PR lto/51916
2846         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2847         simple_object_start_read.
2848
2849 2012-01-23  Richard Guenther  <rguenther@suse.de>
2850
2851
2852         PR tree-optimization/51895
2853         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2854         parameter decomposition into BLKmode components.
2855
2856 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2857
2858         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2859         fake variables for restrict-qualified pointers whose pointed-to type
2860         contains a placeholder.
2861
2862 2012-01-23  Richard Guenther  <rguenther@suse.de>
2863
2864         PR tree-optimization/51949
2865         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2866
2867 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2868
2869         PR rtl-optimization/51933
2870         * ree.c (transform_ifelse): Return true right away if dstreg is
2871         already wider or equal to cand->mode.
2872         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2873         (make_defs_and_copies_lists): Remove defs_list and copies_list
2874         arguments, add state argument, just truncate state->work_list
2875         instead of always allocating and freeing the vector.  Assert that
2876         get_defs succeeds instead of returning 2.  Changed return type to bool.
2877         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2878         have ext_src_mode, see if it has been modified already with the
2879         right kind of extension and has been extended before from the
2880         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2881         just return true.  Remember the original mode in state->modified array.
2882         (combine_reaching_defs): Add state argument.  Don't allocate and
2883         free here def_list, copied_list and vec vectors, instead just
2884         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2885         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2886         Add state variable, clear vectors in it, initialize state.modified
2887         if needed.  Free all the vectors at the end and state.modified too.
2888         Don't skip a candidate if the extension expression has been modified.
2889
2890 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2891
2892         PR target/47096
2893         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2894          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2895         (extra_options) interix.opt -> i386/interix.opt"
2896         (extra_objs):Add winnt-stubs.o
2897         * configure.ac: Add interix to target_os .comm on PE check.
2898         * configure: Regenerate.
2899         * config/interix3.h: Delete and move bits to..
2900         * config/interix.h: Delete and move bits to..
2901         * config/i386/i386-interix3.h: Delete and move bits to..
2902         * config/i386/i386-interix.h: ..here.
2903         (TARGET_CPU_DEFAULT): Remove redefinition.
2904         (TARGET_ASM_CONSTRUCTOR): Undefine.
2905         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2906         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2907         (PTRDIFF_TYPE): Define.
2908         (LONG_DOUBLE_TYPE_SIZE): Define.
2909         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2910         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2911         (TARGET_SECTION_TYPE_FLAGS): Define.
2912         (ASM_DECLARE_FUNCTION_NAME): Define.
2913         (ASM_OUTPUT_EXTERNAL): Define.
2914         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2915         (ASM_OUTPUT_ALIGNED_BSS): Define.
2916         (PCC_BITFIELD_TYPE_MATTERS): Define.
2917         (USE_CONST_SECTION): Define.
2918         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2919         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2920         (SUPPORTS_ONE_ONLY): Remove.
2921         (I386_PE_STRIP_ENCODING): Define.
2922         * config/interix.opt: Delete and move bits to..
2923         * config/i386/interix.opt: ..here. New.
2924         (mpe-aligned-commons): Add.
2925         * config/i386/t-interix: Add copyright header.
2926         (winnt-stubs.o): Add rule.
2927
2928 2012-01-22  Jason Merrill  <jason@redhat.com>
2929
2930         PR c++/51832
2931         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2932         for extra name aliases.
2933
2934 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2935
2936         PR rtl-optimization/51924
2937         * ree.c (combine_set_extension): Improve debugging message.
2938         (combine_reaching_defs): Likewise.
2939         (get_defs): Rename confusingly named variable.
2940         (find_and_remove_re): Skip a candidate if the extension expression has
2941         been modified.
2942
2943 2012-01-21  Robert Millan  <rmh@gnu.org>
2944             Gerald Pfeifer  <gerald@pfeifer.com>
2945
2946         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2947         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2948
2949 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2950
2951         PR tree-optimization/51914
2952         * tree-vect-stmts.c (vectorizable_conversion): For
2953         cvt_type && modifier == WIDEN, put temporary with cvt_type
2954         at the beginning of vec_dsts and set vec_dest to temporary
2955         with vectype_out.
2956
2957 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2958
2959         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2960
2961 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2962
2963         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2964         * config/rs6000/rs6000.c: Likewise.
2965
2966 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2967
2968         PR target/51915
2969         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2970         output_move_double on a copy of operands array.
2971
2972 2012-01-20  Cary Coutant  <ccoutant@google.com>
2973             Dodji Seketeli  <dodji@redhat.com>
2974
2975         PR debug/45682
2976         * dwarf2out.c (copy_declaration_context): Return ref to parent
2977         of declaration DIE, if necessary.
2978         (remove_child_or_replace_with_skeleton): Add new parameter; update
2979         caller.  Place skeleton DIE under parent DIE of original declaration.
2980         Move call to copy_declaration_context to here ...
2981         (break_out_comdat_types): ... from here.
2982
2983 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2984
2985         PR rtl-optimization/51856
2986         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2987         flag to reloaded.
2988
2989 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2990
2991         PR target/51819
2992         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2993         hints for neon loads and stores.
2994
2995 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2996
2997         PR target/49868
2998         PR target/50887
2999         * doc/extend.texi (Named Address Spaces): Split into subsections.
3000         (AVR Named Address Spaces): New subsection.
3001         (M32C Named Address Spaces): New subsection.
3002         (RL78 Named Address Spaces): New subsection.
3003         (SPU Named Address Spaces): New subsection.
3004         (Variable Attributes): New anchor "AVR Variable Attributes".
3005         (AVR Variable Attributes): Rewrite and avoid wording
3006         "address space" in this context.
3007         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3008         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3009         (AVR Built-in Macros): New subsubsection therein.
3010         * doc/md.texi (AVR constraints): Remove "C04", "R".
3011
3012 2012-01-20  Richard Guenther  <rguenther@suse.de>
3013
3014         PR tree-optimization/51903
3015         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3016         when removing stmts.
3017
3018 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3019
3020         PR target/50313
3021         * config/arm/arm.c (arm_load_pic_register): Use
3022         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3023         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3024         (arm_pic_static_addr): Likewise.
3025         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3026         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3027         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3028         (pic_load_addr_unified): New.
3029
3030 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3031
3032         PR target/51106
3033         * function.c (instantiate_virtual_regs_in_insn): Use
3034         delete_insn_and_edges when removing a wrong asm insn.
3035
3036 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3037
3038         PR rtl-optimization/40761
3039         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3040         Add new member loop_num.
3041         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3042         (ira_build): Remove the parameter.
3043
3044         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3045         (ira.c): Do not build CFG loops for one region allocation.  Remove
3046         argument from ira_build call.
3047
3048         * ira-build.c (init_loop_tree_node): New function.
3049         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3050         loops are not built.
3051         (more_one_region_p): Check current_loops.
3052         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3053         built.
3054         (add_loop_to_tree): Process loop equal to NULL too.
3055         (form_loop_tree): Separate the case when CFG loops are not built.
3056         Use explicitly number for the root.
3057         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3058         an assertion.
3059         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3060         instead of loop->num.
3061         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3062         (mark_all_loops_for_removal): Ditto.
3063         (remove_unnecessary_regions): Separate the case when CFG loops
3064         are not built.
3065         (ira_build): Remove the parameter.  Use explicit number of regions
3066         when CFG loops are not built.
3067
3068         * ira-color.c (print_loop_title): Separate the case for the root node.
3069         Use loop_num instead of loop->num.
3070         (move_spill_restore): Use loop_num instead of loop->num.
3071
3072         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3073         (change_loop): Ditto.
3074         (change_loop): Use loop_num instead of loop->num.
3075
3076         * ira-lives.c (process_bb_node_lives): Ditto.
3077
3078         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3079
3080         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3081
3082 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3083
3084         PR libmudflap/40778
3085         * tree-mudflap.c (mf_artificial): New function.
3086         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3087         mx_register_decls, mudflap_enqueue_decl): Use it.
3088
3089         PR target/51876
3090         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3091         numbers in the insn pattern.
3092
3093 2012-01-19  Michael Matz  <matz@suse.de>
3094
3095         PR tree-optimization/46590
3096         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3097         use it in remembering which conflicts we already created.
3098         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3099         bitmap.
3100
3101 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3102
3103         PR lto/51280
3104         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3105         (merge_and_complain): Same.
3106
3107 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3108
3109         PR bootstrap/50237
3110         * config/initfini-array.h: Guard content of the header
3111         with #ifdef HAVE_INITFINI_ARRAY.
3112         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3113         Add initfini-array.h to tm_file here.
3114         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3115         * config.gcc: Don't add initfini-array.h to tm_file here.
3116         * configure: Regenerated.
3117
3118 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3119
3120         PR rtl-optimization/51505
3121         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3122         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3123         (df_note_bb_compute): Update the call to df_kill_notes.
3124
3125 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3126
3127         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3128
3129 2012-01-18  Richard Guenther  <rguenther@suse.de>
3130
3131         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3132         of conversions to void *.
3133
3134 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3135             Richard Sandiford  <rdsandiford@googlemail.com>
3136
3137         PR middle-end/50325
3138         PR middle-end/51192
3139         * optabs.h (simplify_expand_binop): Declare.
3140         * optabs.c (simplify_expand_binop): Make global.
3141         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3142         endian targets if the source cannot be exactly covered by word
3143         mode chunks.
3144
3145 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3146
3147         PR bootstrap/51872
3148         * hard-reg-set.h (struct hard_reg_set_container): New type.
3149         * target.h (struct hard_reg_set_container): Forward declare.
3150         * target.def (set_up_by_prologue): New target hook.
3151         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3152         * doc/tm.texi: Regenerated.
3153         * function.c (thread_prologue_and_epilogue_insns): Change
3154         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3155         Call targetm.set_up_by_prologue on it.
3156         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3157         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3158
3159 2012-01-17  Nick Clifton  <nickc@redhat.com>
3160
3161         * config/rx/rx.c (rx_can_use_simple_return): New function.
3162         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3163         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3164
3165 2012-01-17  Richard Guenther  <rguenther@suse.de>
3166
3167         PR middle-end/51782
3168         * expr.c (expand_assignment): Take address-space information
3169         from the address operand of MEM_REF and TARGET_MEM_REF.
3170         (expand_expr_real_1): Likewise.
3171
3172 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3173
3174         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3175         reload dump is requested.
3176
3177 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3178
3179         PR other/51165
3180         * trans-mem.c (requires_barrier): Call may_be_aliased.
3181
3182 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3183
3184         PR tree-optimization/51877
3185         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3186         call arguments and fndecls compare equal, instead return false if they
3187         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3188         both SSA_NAMEs that are valueized the same, or they satisfy
3189         operand_equal_p.
3190
3191 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3192
3193         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3194         Solaris 11+.
3195         * configure: Regenerate.
3196
3197 2012-01-16  Jan Hubicka  <jh@suse.cz>
3198
3199         PR c/12245
3200         PR c++/14179
3201         * convert.c (convert_to_integer): Use fold_convert for
3202         converting an INTEGER_CST to integer type.
3203
3204 2012-01-16  Jason Merrill  <jason@redhat.com>
3205
3206         PR c++/14179
3207         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3208
3209 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3210
3211         PR bootstrap/51860
3212         * config/s390/s390.c (s390_chunkify_start): Don't skip
3213         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3214         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3215         If insn is followed by NOTE_INSN_VAR_LOCATION or
3216         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3217         Don't use location of note insns.
3218
3219         PR tree-optimization/51865
3220         * tree-inline.c (tree_function_versioning): Call remap_decl
3221         on DECL_RESULT whenever it has VOID_TYPE_P type.
3222
3223 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3224
3225         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3226         for calls to locally-binding MIPS16 functions if only the return
3227         type uses float regs.
3228
3229 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3230             Richard Sandiford  <rdsandiford@googlemail.com>
3231
3232         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3233         (SYMBOL_32_HIGH): Likewise.
3234         (mips_output_tls_reloc_directive): Declare.
3235         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3236         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3237         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3238         (mips_lo_relocs, mips_hi_relocs): Make extern.
3239         (mips16_stub_function): Move up file.
3240         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3241         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3242         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3243         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3244         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3245         (mips_get_tp): Add MIPS16 support.
3246         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3247         Generalize DTPREL and TPREL handling.
3248         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3249         Add MIPS16 TLS support.
3250         (mips_output_tls_reloc_directive): New function.
3251         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3252         * config/mips/predicates.md (symbolic_operand_with_high)
3253         (tls_reloc_operand): New predicates.
3254         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3255         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3256         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3257         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3258         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3259         (*tls_get_tp_mips16_call_<mode>): Likewise.
3260
3261 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3262
3263         PR rtl-optimization/51821
3264         * recog.c (peep2_find_free_register): Determine clobbered registers
3265         from insn pattern.
3266
3267 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3268
3269         PR target/50925
3270         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3271         * config/avr/avr.c: Likewise.
3272         * config/avr/avr.h: Likewise.
3273
3274 2012-01-13  Ian Lance Taylor  <iant@google.com>
3275
3276         PR c++/50012
3277         * tree.h (TYPE_QUALS): Add cast to int.
3278         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3279
3280 2012-01-13  Ian Lance Taylor  <iant@google.com>
3281
3282         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3283         comparing param_index to VEC_length result.
3284
3285 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3286
3287         * c-decl.c: Do not include tree-mudflap.h
3288         * tree-optimize.c: Likewise.
3289         * Makefile.in: Update dependencies.
3290
3291 2012-01-13  Richard Guenther  <rguenther@suse.de>
3292
3293         PR middle-end/8081
3294         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3295         variable-sized result always use RSO.
3296
3297 2012-01-12  DJ Delorie  <dj@redhat.com>
3298
3299         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3300         pointer type, not just the default pointer type.
3301
3302 2012-01-09  Richard Henderson  <rth@redhat.com>
3303             Denis Chertykov  <chertykov@gmail.com>
3304
3305         PR target/50925
3306         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3307         * config/avr/avr.c (avr_can_eliminate): Simplify.
3308         (avr_initial_elimination_offset): Likewise.
3309         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3310         (expand_epilogue): Likewise.
3311         (avr_legitimize_address): Gut.
3312         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3313         (avr_hard_regno_nregs): New.
3314         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3315         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3316         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3317         add soft frame pointer.
3318         (CALL_USED_REGISTERS): Likewise.
3319         (REG_CLASS_CONTENTS): Likewise.
3320         (REGISTER_NAMES): Likewise.
3321         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3322         (HARD_FRAME_POINTER_REGNUM): New.
3323         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3324         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3325         remove the HARD_FRAME_POINTER self-elimination.
3326
3327 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3328
3329         PR target/51756
3330         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3331         DECL_EXTERNAL when checking for initializers of progmem variables.
3332
3333 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3334
3335         PR tree-optimization/51799
3336         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3337         that the last operation is a type demotion.
3338
3339 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3340
3341         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3342         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3343
3344 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3345
3346         PR bootstrap/51796
3347         * combine.c (distribute_notes): If i3 is a noreturn call,
3348         allow old_size to be equal to args_size and make sure the
3349         noreturn call gets REG_ARGS_SIZE note.
3350         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3351         on noreturn calls even when the delta is 0.
3352
3353 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3354
3355         * gcov.c (STRING_SIZE): Remove.
3356         (generate_results): Erase annotations for source files with no
3357         coverage information.
3358         (read_line): New.
3359         (output_lines): Use it.
3360
3361 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3362
3363         * gimple.h (gimplify_body): Remove first argument.
3364         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3365         pointer set here, instead just pass DATA to walk_tree.
3366         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3367         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3368         (unvisit_body): Likewise, but with unmark_visited.
3369         (gimplify_body): Remove BODY_P argument and adjust.
3370         (gimplify_function_tree): Adjust call to gimplify_body.
3371         * omp-low.c (finalize_task_copyfn): Likewise.
3372
3373 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3374
3375         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3376         (build_function_type_skip_args): Delete.
3377         * tree.c (build_function_type_skip_args): Make static and add
3378         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3379         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3380         pass it to build_function_type_skip_args.
3381         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3382         (tree_function_versioning): Likewise.
3383         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3384         build_function_decl_skip_args.
3385         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3386         and pass it to build_function_decl_skip_args/tree_function_versioning.
3387         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3388         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3389         * trans-mem.c (ipa_tm_create_version): Likewise.
3390         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3391         * tree-inline.c (declare_return_variable): Remove always-true test.
3392         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3393         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3394         * ipa-split.c (split_function): Skip the return value for the split
3395         part if it doesn't return.
3396
3397 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3398
3399         PR tree-optimization/49642
3400         * ipa-split.c (forbidden_dominators): New variable.
3401         (check_forbidden_calls): New function.
3402         (dominated_by_forbidden): Likewise.
3403         (consider_split): Check for forbidden dominators.
3404         (execute_split_functions): Initialize and free forbidden
3405         dominators info; call check_forbidden_calls.
3406
3407 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3408
3409         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3410
3411 2012-01-11  Nick Clifton  <nickc@redhat.com>
3412
3413         * config/rx/rx.md (return): Define pattern.
3414
3415 2012-01-11  Richard Guenther  <rguenther@suse.de>
3416
3417         * doc/extend.texi (malloc attribute): Adjust according to
3418         implementation.
3419
3420 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3421             Patrick Marlier  <patrick.marlier@gmail.com>
3422
3423         PR middle-end/51516
3424         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3425         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3426         (ipa_tm_note_irrevocable): Same.
3427         (ipa_tm_scan_irr_block): Same.
3428         (ipa_tm_decrement_clone_counts): Same.
3429         (ipa_tm_scan_irr_function): Same.
3430         (ipa_tm_create_version_alias): Same.
3431         (ipa_tm_create_version): Same.
3432         (ipa_tm_transform_calls_redirect): Same.
3433         (ipa_tm_transform_calls): Same.
3434         (ipa_tm_transform_transaction): Same.
3435         (ipa_tm_execute): Same.
3436
3437 2012-01-10  Richard Guenther  <rguenther@suse.de>
3438
3439         PR middle-end/51806
3440         * opts.c (common_handle_option): Handle -Werror.
3441
3442 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3443
3444         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3445         operand number.
3446
3447 2012-01-10  Jason Merrill  <jason@redhat.com>
3448
3449         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3450         information.
3451
3452 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3453
3454         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3455         supports R_386_TLS_GD_PLT reloc.
3456         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3457         supports R_386_TLS_LDM_PLT reloc.
3458         * configure: Regenerate.
3459         * config.in: Regenerate.
3460
3461 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3462
3463         PR target/49868
3464         Extend __pgmx semantics to linearize memory.
3465         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3466         determine if code comes inline or from libgcc.
3467         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3468         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3469         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3470         (movmemx_qi, movmemx_hi): New insns.
3471         (xload_<mode>_libgcc): Rewrite to new insn condition.
3472         (xload_<mode>): Remove insns.
3473         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3474         cases that don't satisfy avr_xload_libgcc_p().
3475         (avr_addr_space_convert): Allow converting in any direction.
3476         (avr_addr_space_subset_p): Return always true.
3477         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3478         (avr_emit_movmemhi): Ditto.
3479         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3480         (avr_out_movmem): Ditto.
3481         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3482         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3483         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3484         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3485         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3486
3487 2012-01-10  Richard Guenther  <rguenther@suse.de>
3488
3489         PR tree-optimization/50913
3490         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3491         Require data-refs to be representable by Graphite with respect
3492         to any loop nest.
3493
3494 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3495
3496         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3497         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3498
3499 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3500
3501         PR rtl-optimization/51271
3502         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3503         handling annulled branch.
3504
3505 2012-01-10  Richard Henderson  <rth@redhat.com>
3506
3507         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3508         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3509         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3510         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3511         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3512         arm_expand_vec_perm_const): New.
3513         * config/arm/arm-protos.h: Update.
3514         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3515         (*neon_vswp<VDQX>): New.
3516         (neon_vcombine<VDX>): Use neon_split_vcombine.
3517         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3518