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PR debug/53174
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1 2012-05-03  Jakub Jelinek  <jakub@redhat.com>
2
3         PR debug/53174
4         * tree-predcom.c (remove_stmt): Call reset_debug_uses on stmts being
5         removed.
6
7         PR target/53187
8         * config/arm/arm.c (arm_select_cc_mode): If x has MODE_CC class
9         mode, return that mode.
10
11 2012-05-03  Richard Guenther  <rguenther@suse.de>
12
13         PR tree-optimization/53144
14         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
15         Rename to ...
16         (vn_reference_lookup_or_insert_for_pieces): ... this.  Properly deal
17         with SSA name values.
18         (vn_reference_lookup_3): Adjust callers.
19
20 2012-05-02  Jakub Jelinek  <jakub@redhat.com>
21
22         PR tree-optimization/53163
23         * tree-ssa-phiopt.c (cond_if_else_store_replacement): Don't ignore
24         return value from compute_all_dependences.
25
26         PR rtl-optimization/53160
27         * ree.c (combine_reaching_defs): Handle the case where cand->insn
28         has been modified by ree pass already.
29
30 2012-05-01  Uros Bizjak  <ubizjak@gmail.com>
31
32         Backport from mainline
33         2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
34
35         PR middle-end/53136
36         * ipa-prop.c (ipa_print_node_jump_functions): Wrap multiple
37         calls to cgraph_node_name in xstrdup.
38         (ipa_make_edge_direct_to_target): Ditto.
39         * tree-sra.c (convert_callers_for_node): Ditto.
40         * lto-symtab.c (lto_cgraph_replace_node): Ditto.
41         * ipa-cp.c (perhaps_add_new_callers): Ditto.
42         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
43         (cgraph_materialize_all_clones): Ditto.
44         * ipa-inline.c (report_inline_failed_reason): Ditto.
45         (want_early_inline_function_p): Ditto.
46         (edge_badness): Ditto.
47         (update_edge_key): Ditto.
48         (flatten_function): Ditto.
49         (ipa_inline): Ditto.
50         (inline_always_inline_functions): Ditto.
51         (early_inline_small_functions): Ditto.
52
53 2012-04-30  Andreas Tobler  <andreast@fgznet.ch>
54
55         Backport from mainline
56         2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
57
58         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
59         Introduce emul_name to select the right linker emulation for
60         powerpc64-*-freebsd*.
61         * configure: Regenerate.
62         * config.gcc: Add bits to support powerpc64-*-freebsd*.
63         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
64         * config/rs6000/freebsd64.h: New file.
65         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
66         POWERPC_FREEBSD.
67         (rs6000_savres_strategy): Likewise.
68         (rs6000_savres_routine_name): Likewise.
69         (rs6000_elf_file_end): Likewise.
70         * config/rs6000/t-freebsd64: New file.
71         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
72         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
73
74 2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
75
76         Backport from mainline
77         2012-04-27  Paolo Bonzini  <bonzini@gnu.org>
78
79         PR target/53138
80         * config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.
81
82 2012-04-30  Eric Botcazou  <ebotcazou@adacore.com>
83
84         * config/i386/i386.c (ix86_handle_struct_attribute): Use the proper
85         predicate to discriminate types.
86
87 2012-04-27  Richard Guenther  <rguenther@suse.de>
88
89         PR c/51527
90         * convert.c (convert_to_integer): Avoid infinite recursion for
91         target-defined built-in types.
92
93 2012-04-26  Hans-Peter Nilsson  <hp@axis.com>
94
95         PR target/53120
96         * config/cris/cris.md ("*andhi_lowpart_v32")
97         ("*andqi_lowpart_v32"): Change first input-only operand from
98         a (match_operand ...) to (match_dup 0).  Drop alternatives with
99         const_int-matching constraints for redundancy.
100         ("*andhi_lowpart_non_v32", "*andqi_lowpart_non_v32"): Ditto.  Drop
101         three-operand alternative.
102
103 2012-04-26  Uros Bizjak  <ubizjak@gmail.com>
104
105         Backport from mainline
106         2012-04-23  Uros Bizjak  <ubizjak@gmail.com>
107
108         * config/i386/i386.md (*add<mode>_2): Add r/r/0 alternative.
109         (*addsi_2_zext): Ditto.
110         (*add<mode>_3): Ditto.
111         (*addsi_3_zext): Ditto.
112         (*add<mode>_5): Ditto.
113
114 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
115
116         PR c/52880
117         * c-typeck.c (set_nonincremental_init,
118         set_nonincremental_init_from_string): Pass true instead of false
119         as IMPLICIT to add_pending_init.
120
121 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
122
123         Backport from 2012-04-24 mainline r186768.
124
125         PR target/53065
126         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
127
128 2012-04-24  Richard Guenther  <rguenther@suse.de>
129
130         PR tree-optimization/53085
131         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
132         stores.
133
134 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
135
136         PR middle-end/53084
137         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
138         of MEM_REF.
139         (output_addressed_constants): Likewise.
140
141         PR middle-end/52999
142         * varasm.c (get_section): Don't ICE for section conflicts with
143         built-in section kinds.
144
145 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
146
147         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
148
149 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
150
151         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
152
153 2012-04-23  Richard Guenther  <rguenther@suse.de>
154
155         PR c/53060
156         * c-typeck.c (build_binary_op): Fix typo.
157
158 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
159
160         PR tree-optimizations/52891
161         * tree-vect-patterns.c (adjust_bool_pattern): Use
162         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
163         but with non-standard precision.
164
165 2012-04-22  Ian Lance Taylor  <iant@google.com>
166
167         * godump.c (go_output_typedef): Dump size of structs.
168
169 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
170
171         Backport from mainline:
172
173         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
174         hints for 'A' operand types.
175
176 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
177
178         Backport from 2012-04-19 mainline r186588.
179
180         PR target/53033
181         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
182         the case *(X+const).
183
184 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
185
186         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
187
188 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
189
190         PR target/53020
191         * config/i386/sync.md (atomic_<code><mode>): Rename to
192         atomic_<logic><mode>.
193
194 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
195
196         Backport from mainline
197         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
198
199         PR target/52932
200         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
201         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
202         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
203         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
204         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
205         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
206         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
207         gen_avx2_permvarv8sf.
208
209 2012-04-16  Martin Jambor  <mjambor@suse.cz>
210
211         Backported from mainline
212
213         2012-04-13  Martin Jambor  <mjambor@suse.cz>
214         PR middle-end/52939
215
216         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
217         fold_ctor_reference returns a zero constant.
218
219 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
220
221         Backported from mainline
222         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
223
224         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
225         and __ILP32__ for x32.
226
227 2012-04-13  Tom de Vries  <tom@codesourcery.com>
228
229         Backport from mainline r186418.
230
231         2012-04-13  Tom de Vries  <tom@codesourcery.com>
232
233         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
234         parameters vuse and vuse_escaped.
235         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
236         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
237         vuse1 != vuse2.
238
239 2012-04-13  Richard Guenther  <rguenther@suse.de>
240
241         PR tree-optimization/52969
242         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
243         the condition for the COND_EXPR and handle predicate negation
244         by swapping the COND_EXPR arms.
245
246 2012-04-13  Richard Guenther  <rguenther@suse.de>
247
248         PR c/52862
249         * convert.c (convert_to_pointer): Remove special-casing of
250         zero.
251
252 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
253
254         Backport from mainline
255         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
256
257         PR target/52775
258         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
259         the list of options to enable the FCFID instruction.
260         (TARGET_EXTRA_BUILTINS): Adjust comment.
261
262 2012-04-12  Richard Guenther  <rguenther@suse.de>
263
264         PR tree-optimization/52943
265         * tree-chrec.h (chrec_is_positive): Remove.
266         * tree-scalar-evolution.c (chrec_is_positive): Move ...
267         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
268         Return false for a constant zero instead of negative.
269         (analyze_siv_subscript_cst_affine): Handle zero difference
270         in the initial condition explicitely.
271
272 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
273
274         PR middle-end/52894
275         * varasm.c (process_pending_assemble_externals): Set
276         pending_assemble_externals_processed true.
277         (assemble_external): Call assemble_external_real if the pending
278         assemble externals have been processed.
279
280 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
281
282         PR target/52717
283         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
284         the DECL generated for the special GOT helper.
285
286 2012-04-06  Walter Lee  <walt@tilera.com>
287
288         Backport from mainline
289         2012-03-07  Walter Lee  <walt@tilera.com>
290
291         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
292         REG_CFA_* notes for the stack pointer.
293         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
294         EH_RETURN_STACKADJ_RTX.
295         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
296         generate REG_CFA_* notes for the stack pointer.
297         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
298         by EH_RETURN_STACKADJ_RTX.
299
300 2012-04-06  Matt Turner  <mattst88@gmail.com>
301
302         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
303
304 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
305
306         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
307         of the destination isn't also a FP_REGS register.
308
309 2012-04-03  Richard Guenther  <rguenther@suse.de>
310
311         Backport from mainline
312         2012-03-02  Richard Guenther  <rguenther@suse.de>
313
314         PR tree-optimization/52406
315         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
316         (struct indices): Add unconstrained_base member.
317         (struct dr_alias): Remove unused vops member.
318         (DR_UNCONSTRAINED_BASE): New define.
319         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
320         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
321         be an artificial access that covers the whole indexed object,
322         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
323         plain decl base-objects to their MEM_REF variant.
324         (dr_may_alias_p): When the base-object of either data reference
325         has unknown size use only points-to information.
326         (compute_affine_dependence): Make dumps easier to read and
327         more verbose.
328         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
329         DR_REF when looking for packed references.
330         (vect_supportable_dr_alignment): Likewise.
331
332 2012-04-03  Richard Guenther  <rguenther@suse.de>
333
334         Backport from mainline
335         2012-03-15  Richard Guenther  <rguenther@suse.de>
336
337         PR middle-end/52580
338         * tree-data-ref.c (subscript_dependence_tester_1): Check
339         all dimensions for non-conflicting access functions.
340
341 2012-04-03  Richard Guenther  <rguenther@suse.de>
342
343         Backport from mainline
344         2012-03-06  Richard Guenther  <rguenther@suse.de>
345
346         PR middle-end/52493
347         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
348
349         2012-03-23  Richard Guenther  <rguenther@suse.de>
350
351         PR tree-optimization/52678
352         * tree-vectorizer.h (struct _stmt_vec_info): Add
353         loop_phi_evolution_part member.
354         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
355         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
356         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
357         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
358         Use the cached evolution part and the PHI nodes value from
359         the loop preheader edge instead of re-analyzing the evolution.
360
361         2012-03-26  Richard Guenther  <rguenther@suse.de>
362
363         PR tree-optimization/52701
364         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
365         compute and set the evolution part of PHI nodes.
366
367         2012-03-30  Richard Guenther  <rguenther@suse.de>
368
369         PR tree-optimization/52754
370         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
371         propagate arbitrary addresses into really plain dereferences.
372
373 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
374
375         PR tree-optimization/52835
376         * tree-data-ref.c (build_rdg): Return NULL if
377         compute_data_dependences_for_loop failed.
378
379 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
380
381         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
382         (stmt_can_make_abnormal_goto): Use it.
383         (is_ctrl_altering_stmt): Likewise.
384
385 2012-03-31  Martin Jambor  <mjambor@suse.cz>
386
387         Backported from mainline
388         2012-03-30  Martin Jambor  <mjambor@suse.cz>
389
390         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
391         is a builtin_stack_save in a dominating BB.
392
393 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
394
395         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
396         crossing 128bit lane boundary.
397
398 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
399
400         Backported from mainline
401         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
402
403         PR target/52698
404         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
405         New prototype.
406         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
407         * config/i386/i386.c: Include reload.h.
408         (ix86_legitimize_reload_address): New function.
409
410 2012-03-28  Martin Jambor  <mjambor@suse.cz>
411
412         Backported from mainline
413         2012-03-27  Martin Jambor  <mjambor@suse.cz>
414
415         PR middle-end/52693
416         * tree-sra.c (sra_modify_assign): Do not call
417         load_assign_lhs_subreplacements when working with an unscalarizable
418         region.
419
420 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
421
422         PR middle-end/52691
423         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
424         __builtin_va_start to __builtin_next_arg if the latter is
425         builtin_decl_explicit_p rather than when it is not.
426
427         PR middle-end/52750
428         * tree-vect-generic.c (vector_element): Perform multiplication
429         for pos in bitsizetype type instead of idx type.
430
431 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
432
433         Backport from 2012-03-28 mainline r185910.
434
435         PR target/52692
436         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
437         (avr_builtin_decl): New static function.
438         (struct avr_builtin_description, avr_bdesc): Move up.
439         Add GTY marker. Add field fndecl. Remove redundant field id.
440         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
441         (avr_expand_builtin): Code cleanup because .id is removed.
442
443 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
444
445         PR middle-end/51893
446         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
447         targets.
448
449 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
450
451         Backport from 2012-03-28 mainline r185907.
452
453         PR target/52737
454         * config.gcc (tm_file): Remove avr/multilib.h.
455
456         * doc/invoke.texi (AVR Options): Adjust
457         documentation of -mtiny-stack.
458
459         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
460         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
461         * config/avr/t-avr: Remove generation of multilib.h.
462         * config/avr/t-multilib: Regenerate.
463         * config/avr/multilib.h: Remove.
464         * config/avr/avr.opt (-msp8): New option.
465         (avr_sp8): New variable.
466         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
467         * config/avr/avr.h (AVR_HAVE_SPH): New define.
468         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
469         (avr_device_to_sp8): New prototype.
470         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
471         (DRIVER_SELF_SPECS): New define.
472         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
473         __AVR_SP8__, __AVR_HAVE_SPH__.
474         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
475         AVR_HAVE_8BIT_SP to decide if SP_H is present.
476         (avr_file_start): Ditto.
477
478 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
479
480         PR target/52736
481         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
482         instead of 8 in adjust_address.
483
484 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
485
486         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
487         of a unit before computing the offset in units.
488
489 2012-03-27  Richard Guenther  <rguenther@suse.de>
490
491         PR middle-end/52720
492         * fold-const.c (try_move_mult_to_index): Handle &x.array more
493         explicitely.
494
495 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
496
497         PR target/52610
498         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
499
500 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
501
502         PR middle-end/52640
503         * varasm.c: Include pointer-set.h.
504         (pending_assemble_externals_set): New pointer set.
505         (process_pending_assemble_externals): Destroy the pointer set.
506         (assemble_external): See if decl is in pending_assemble_externals_set,
507         and add it to pending_assemble_externals if necessary.
508         (init_varasm_once): Allocate pending_assemble_externals_set.
509
510 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
511
512         Backported from mainline
513         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
514
515         PR target/50310
516         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
517         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
518         (vector_ltgt<mode>): Likewise.
519         (vector_ordered<mode>): Likewise.
520         (vector_unordered<mode>): Likewise.
521         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
522
523 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
524
525         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
526         Make static.
527
528 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
529
530         Backported from mainline
531         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
532
533         PR target/48596
534         PR target/48806
535         * config/sh/sh.c (sh_register_move_cost): Increase cost between
536         GENERAL_REGS and FP_REGS for SImode.
537
538 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
539
540         PR middle-end/52547
541         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
542         on any new_local_var_chain vars declared during recursing on
543         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
544
545 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
546
547         Backport from 2012-03-22 mainline r185692.
548
549         PR target/52496
550         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
551         (unspecv): Add UNSPECV_MEMORY_BARRIER.
552         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
553         (delay_cycles_1, delay_cycles_2): Ditto.
554         (delay_cycles_3, delay_cycles_4): Ditto.
555         (nopv, *nopv): Ditto.
556         (sleep, *sleep): Ditto.
557         (wdr, *wdr): Ditto.
558
559         Backport from 2012-03-21 mainline r185605.
560
561         PR rtl-optimization/52543
562         PR target/52461
563         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
564         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
565         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
566         (avr_load_libgcc_p): Restrict to __flash loads.
567         (avr_out_lpm): Only handle 1-byte loads from __flash.
568         (avr_load_lpm): New function.
569         (avr_find_unused_d_reg): Remove.
570         (avr_out_lpm_no_lpmx): Remove.
571         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
572         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
573         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
574         (load_<mode>, load_<mode>_clobber): New insns.
575         (mov<mode>): For multi-byte move from non-generic
576         16-bit address spaces: Expand to load_<mode> resp.
577         load_<mode>_clobber.
578         (load<mode>_libgcc): Remove expander.
579         (split-lpmx): Remove split.
580
581         Backport from 2012-03-13 mainline r185329.
582
583         PR target/52488
584         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
585         offset (size) to a value the insns can deal with.
586         (expand_epilogue): Ditto.
587
588         Backport from 2012-03-12 mainline r185256.
589
590         PR target/52499
591         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
592         type from reg_class_t to enum reg_class.
593         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
594
595         Backport from 2012-03-12 mainline r185253.
596
597         PR target/52148
598         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
599         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
600         r184615 from 2012-02-28.
601
602         Backport from 2012-03-08 mainline r185105.
603
604         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
605         for constants in [-63,63].
606
607         Backport from 2012-03-08 mainline r185100.
608
609         PR target/52496
610         * config/avr/avr.c (avr_mem_clobber): New static function.
611         (avr_expand_delay_cycles): Add memory clobber operand to
612         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
613         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
614         (enable_interrupt, disable_interrupt): New expander.
615         (nopv, sleep, wdr): New expanders.
616         (delay_cycles_1): Add memory clobber.
617         (delay_cycles_2): Add memory clobber.
618         (delay_cycles_3): Add memory clobber.
619         (delay_cycles_4): Add memory clobber.
620         (cli_sei): New insn from former "enable_interrupt",
621         "disable_interrupt" with memory clobber.
622         (*wdt): New insn from former "wdt" with memory clobber.
623         (*nopv): Similar, but for "nopv".
624         (*sleep): Similar, but for "sleep".
625
626         Backport from 2012-03-07 mainline r185043.
627
628         PR target/52484
629         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
630
631         Backport from 2012-03-07 mainline r185032.
632
633         PR target/52506
634         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
635         to: RAMPZ, RAMPY, RAMPX, RAMPD.
636         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
637
638         Backport from 2012-03-07 mainline r185031.
639
640         PR target/52505
641         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
642         from RAM.
643         * config/avr/avr.md (xload_8): Adjust insn length.
644
645         Backport from 2012-03-07 mainline r185030.
646
647         PR target/52461
648         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
649         if RAMPZ affects reading from RAM.
650
651         Backport from 2012-03-05 mainline r184919.
652
653         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
654
655 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
656
657         Backport from mainline r185259.
658
659         PR other/52545
660         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
661         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
662
663 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
664
665         Backported from mainline
666         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
667
668         PR c/52577
669         * c-parser.c (c_parser_postfix_expression)
670         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
671
672         * config/i386/smmintrin.h: Avoid /* within a comment.
673         * config/i386/nmmintrin.h: Likewise.
674
675 2012-03-22  Richard Guenther  <rguenther@suse.de>
676
677         * BASE-VER: Set to 4.7.1.
678         * DEV-PHASE: Set to prerelease.
679
680 2012-03-22  Release Manager
681
682         * GCC 4.7.0 released.
683
684 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
685
686         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
687
688 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
689             Andrew Pinski  <apinski@cavium.com>
690
691         PR middle-end/52592
692         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
693         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
694         calls instead of __builtin_ir{int,ound}*.
695
696 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
697
698         PR c++/52582
699         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
700         if c_node is NULL.
701
702 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
703
704         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
705         Refer to GCC 4.7 version of c99status.html.
706
707 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
708
709         Backport from mainline
710         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
711
712         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
713         redefine to be NULL if the current bit-size is different from the
714         configured bit-size.
715
716         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
717         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
718         set the default tuning.  Add asserts to make sure the cpu and tune
719         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
720         test whether the index is set, instead of > 0.
721         (rs6000_file_start): Do not reset the default cpu if the current
722         bit-size is different from the configured bit-size.
723
724 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
725
726         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
727         binutils reference.
728         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
729         Update binutils references.
730         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
731         Update binutils reference.
732         Update Sun as/GNU ld caveat.
733         Document binutils largefile requirement for LTO plugin.
734         Remove reference to alternate libpthread.
735
736 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
737
738         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
739         reference.
740         (Specific, mips-sgi-irix6): Likewise.
741
742 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
743
744         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
745         * configure: Regenerate.
746
747 2012-03-07  Richard Henderson  <rth@redhat.com>
748
749         * config/m68k/m68k.h (ISA_HAS_TAS): New.
750         * config/m68k/sync.md (atomic_test_and_set): Use it.
751         (atomic_test_and_set_1): Likewise.
752
753 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
754
755         PR target/51417
756         * Makefile.in: Let install-gcc-ar depend on installdirs,
757         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
758         Don't double canonicalize if cross-compiling.
759
760 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
761
762         * trans-mem.c: New typedef for tm_region_p.
763         Define vector types for tm_region_p.
764         (tm_region_init): Replace region_worklist to a vector called
765         bb_regions.
766
767 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
768
769         PR middle-end/52463
770         * trans-mem.c (tm_region_init): Use last_basic_block.
771
772 2012-03-05  Richard Henderson  <rth@redhat.com>
773
774         PR tree-opt/52242
775         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
776         * omp-low.c (expand_omp_atomic): Assume anything aligned to
777         BIGGEST_ALIGNMENT is aligned.
778
779 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
780
781         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
782
783 2012-03-05  Richard Henderson  <rth@redhat.com>
784
785         PR target/52481
786         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
787         instead of calling negqi2 directly.
788
789 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
790
791         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
792         (INTMAX_TYPE): Use it.
793         (UINTMAX_TYPE): Likewise.
794         (SUBTARGET_OVERRIDE_OPTIONS): Define.
795         (irix6_c_common_override_options): Declare.
796         (C_COMMON_OVERRIDE_OPTIONS): Define.
797         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
798         * config/mips/irix6-c.c: New file.
799         * config/mips/t-irix6 (irix6-c.o): New target.
800         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
801         cxx_target_objs.
802
803 2012-03-02  Richard Henderson  <rth@redhat.com>
804
805         * optabs.c (expand_atomic_test_and_set): Honor
806         atomic_test_and_set_trueval even when atomic_test_and_set
807         optab is not in use.
808
809 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
810
811         Backport from mainline
812         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
813
814         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
815
816 2012-03-02  Richard Guenther  <rguenther@suse.de>
817
818         * DEV-PHASE: Set to prerelease.
819
820 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
821
822         * config.gcc (obsolete): Add all ARM targets using the FPA.
823         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
824         * doc/install.texi: Avoid references to obsolete ARM ports.
825
826 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
827
828         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
829
830 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
831             Joern Rennecke  <joern.rennecke@embecosm.com>
832
833         * doc/extend.texi: Expand and update information on interrupt
834         attribute for Epiphany.
835
836 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
837
838         * config/sh/sh-protos.h: Update copyright notice dates.
839         * config/sh/sh.h: Likewise.
840         * config/sh/sh.md: Likewise.
841         * config/sh/constraints.md: Likewise.
842         * config/sh/predicates.md: Likewise.
843
844 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
845
846         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
847         * config/sh/sh.c (tertiary_reload_operand): Likewise.
848
849 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
850
851         * config/sh/constraints.md: Fix comment typo.
852
853 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
854
855         PR target/52408
856         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
857         unsigned HOST_WIDE_INT.
858         (zvdep_imm64): Likewise.
859         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
860         (vdepi_and): Likewise.
861         Likewise for unamed 64-bit patterns.
862         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
863
864 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
865
866         PR debug/52001
867         PR rtl-optimization/52417
868         * cselib.c (cselib_any_perm_equivs): New variable.
869         (cselib_reset_table): Check that it's not set when not
870         preserving constants.
871         (cselib_add_permanent_equiv): Set it.
872         (cselib_have_permanent_equivalences): New.
873         (cselib_init, cselib_finish): Reset it.
874         * cselib.h (cselib_have_permanent_equivalences): Declare.
875         * alias.c (get_addr): Restore earlier behavior when there
876         aren't permanent equivalences.
877
878 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
879
880         * config/mn10300/mn10300-modes.def: Fix copyright notice.
881         * config/v850/v850-modes.def: Fix copyright notice.
882
883 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
884
885         * doc/extend.texi (AVR Built-in Functions): Document
886         __builtin_avr_flash_segment.
887
888         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
889         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
890         (*split.flash_segment): New insn-and-split.
891         * config/avr/avr.c (avr_init_builtins): Add local variables:
892         const_memx_void_node, const_memx_ptr_type_node,
893         char_ftype_const_memx_ptr.
894
895 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
896
897         PR tree-optimization/52445
898         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
899         add ssa_name_ver, offset and size fields and change store field
900         to bool.
901         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
902         (add_or_mark_expr): Likewise.  Only consider previous stores
903         with the same size and offset.
904         (nt_init_block): Only look at gimple_assign_single_p stmts,
905         doesn't look at rhs2.
906
907 2012-03-01  Richard Guenther  <rguenther@suse.de>
908
909         PR middle-end/52443
910         * tree-cfg.c (verify_gimple_assign_unary): Allow any
911         conversions from integral types to pointer types.
912
913 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
914
915         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
916         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
917         unintentionally removed in r184616.
918
919 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
920
921         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
922         3DNow from bdver1.
923
924 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
925             Uros Bizjak  <ubizjak@gmail.com>
926
927         PR target/52437
928         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
929         alternatives, add "e" constraint to the new last alternative
930         and ! to last 3 alternatives.
931
932 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
933
934         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
935         DW_AT_artificial attributes at the end of the processing.
936         (gen_array_type_die): Likewise.
937         (gen_enumeration_type_die): Likewise.
938         (gen_struct_or_union_type_die): Likewise.
939         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
940         the parent type.
941
942 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
943
944         PR middle-end/52419
945         * expr.c (expand_assignment): If doing misaligned store that doesn't
946         cover all mode bits, perform a RMW cycle.
947
948         PR tree-optimization/52429
949         * tree-parloops.c (separate_decls_in_region_debug): Return early
950         if var is LABEL_DECL.
951
952 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
953
954         PR tree-optimization/52424
955         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
956         calling dom_thread_across_edge.
957
958 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
959
960         * config/avr/avr.c: Move definition of TARGET macros to end of file.
961
962 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
963
964         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
965         * config/avr/avr.c (avr_output_bld): Remove unused function.
966         (avr_out_sbxx_branch): Use "%T" to print bit position.
967
968 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
969
970         * config/avr/avr.md: Untabify.
971
972 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
973
974         * config/avr/avr.md (eqne): New code iterator.
975         (*dec-and-branchsi): Use it in text peephole's condition.
976         (*dec-and-branchhi): Ditto.
977         (*dec-and-branchqi): Ditto.
978
979 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
980
981         PR target/49939
982         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
983         the device does not have the skip-bug.
984
985 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
986
987         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
988         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
989         -mpretend-cmove): New.
990
991 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
992
993         PR bootstrap/52397
994         * df.h (struct df_d): Adjust comment that hard_regs_live_count
995         doesn't count DEBUG_INSN refs.
996         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
997         for DEBUG_INSN refs.
998
999 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1000
1001         Partially revert:
1002
1003         2012-02-20  Richard Guenther  <rguenther@suse.de>
1004         PR tree-optimization/52298
1005         * tree-vect-stmts.c (vectorizable_load): Properly use
1006         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1007         outer loops.
1008
1009 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
1010
1011         PR middle-end/51752
1012         * gimple.h (gimple_in_transaction): New.
1013         (gimple_set_in_transaction): New.
1014         (struct gimple_statement_base): Add in_transaction field.
1015         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
1016         transaction loads.
1017         (tree_ssa_lim_initialize): Compute transaction bits.
1018         * tree.h (compute_transaction_bits): Protoize.
1019         * trans-mem.c (tm_region_init): Use the heap to store BB
1020         auxilliary data.
1021         (compute_transaction_bits): New.
1022
1023 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1024
1025         * gcc.c (display_help): Document --help=common and sort entries
1026         alphabetically.
1027
1028 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1029
1030         * doc/install.texi: Document check-$LANG specific shortcuts
1031
1032 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1033
1034         PR target/51534
1035         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
1036         and vcgtu.
1037         * config/arm/arm_neon.h: Regenerate.
1038         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
1039         (neon_vcgeu): New insn.
1040         (neon_vcgtu): Likewise.
1041         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
1042         (ops): Unsigned comparison intrinsics call a different
1043         builtin.
1044
1045 2012-02-28  Richard Guenther  <rguenther@suse.de>
1046
1047         PR target/52407
1048         * config/i386/i386.c (ix86_expand_vector_set): Fix element
1049         ordering for the VEC_CONCAT for two element vectors for
1050         V2SFmode, V2SImode and V2DImode.
1051
1052 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1053
1054         PR target/49448
1055         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
1056         detecting big-endian triplets.
1057
1058 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
1059
1060         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
1061         mode if there is no type information available.
1062
1063 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
1064
1065         PR tree-optimization/53207
1066         * doc/invoke.texi: Document as experimental and relying on graphite.
1067
1068 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1069
1070         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
1071         of initializer to changes from r184614.
1072
1073 2012-02-28  Richard Guenther  <rguenther@suse.de>
1074
1075         PR tree-optimization/52395
1076         * tree-sra.c (build_ref_for_offset): Also look at the base
1077         TYPE_ALIGN when figuring out the alignment of the replacement.
1078
1079 2012-02-28  Richard Guenther  <rguenther@suse.de>
1080
1081         PR tree-optimization/52402
1082         * ipa-prop.c (ipa_modify_call_arguments): Properly use
1083         mis-aligned types when creating the accesses at the call site.
1084
1085 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1086
1087         * config/avr/builtins.def: New file.
1088         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
1089         * config/avr/avr.c (enum avr_builtin_id): Use it.
1090         (avr_init_builtins): Use it. And use avr_bdesc.
1091         (bdesc_1arg): Remove.
1092         (bdesc_2arg): Remove.
1093         (bdesc_3arg): Remove.
1094         (struct avr_builtin_description): Add field n_args.
1095         (avr_bdesc): New static variable using builtins.def.
1096         (avr_expand_builtin): Use it.
1097         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
1098         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
1099         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
1100
1101 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1102
1103         PR target/52148
1104         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
1105         match only one single hard register with respective hard reg rtx.
1106         (movmemx_<mode>): Ditto.
1107         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
1108         insn anatomy of movmem[x]_<mode>.
1109         (avr_out_movmem): Same for printing assembler and operand usage.
1110
1111 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
1112
1113         PR target/49868
1114         PR target/52261
1115         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1116         address spaces located outside of device flash.
1117
1118         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1119         (mcu_type_s): Add field n_flash.
1120         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1121         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1122         (AVR_MCU): Add N_FLASH argument.
1123         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1124         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1125         macro __FLASH<n> if that address space makes sense for the device.
1126         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1127         outside of target flash.
1128         (avr_asm_named_section): Ditto.
1129         (avr_asm_select_section): Ditto.
1130         (avr_addr_space_convert): Ditto.
1131         (avr_emit_movmemhi): Ditto.
1132         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1133         address space is outside of device flash.
1134         (avr_insert_attributes): Ditto.
1135         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1136         avr_current_arch->n_segments.
1137
1138 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1139
1140         PR target/52352
1141         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1142         TARGET_LP64.
1143         (*movabs<mode>_2): Likewise.
1144
1145 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1146
1147         PR target/52375
1148         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1149         s_register_operand in the test instead of REG_P.  Don't call
1150         gen_reg_rtx if it won't be used.
1151
1152         PR tree-optimization/52376
1153         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1154
1155 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1156
1157         * ifcvt.c (noce_get_condition): Check condition variable is not
1158         small_register_classes_for_mode_p before accepting.
1159
1160 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1161
1162         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1163
1164 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1165
1166         Revert:
1167         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1168         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1169         tuning parameters.
1170         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1171
1172 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1173
1174         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1175
1176 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1177
1178         * config/sh/predicates.md: Remove blank lines.
1179         * config/sh/sh.c: Fix typos in comments.
1180         * config/sh/constraints.md: Likewise.
1181         * config/sh/sh.md: Remove blank lines.
1182         Fix typos in comments.  Use ;; as comment characters.
1183
1184 2012-02-26  Walter Lee  <walt@tilera.com>
1185
1186         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1187         (replace_mov_pcrel_step2): Ditto.
1188
1189 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1190
1191         PR debug/52001
1192         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1193         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1194         and locs that reference values newer than the non-canonical value
1195         at hand.  Return the canonical value as a worst case.
1196         (memrefs_conflict_p): Walk canonical value's locs.
1197
1198         PR debug/52001
1199         * cselib.c (preserve_only_constants): Rename to...
1200         (preserve_constants_and_equivs): ... this.  Split out...
1201         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1202         of other preserved expressions too.
1203         (cselib_reset_table): Adjust.
1204         * var-tracking.c (reverse_op): Use canonical value to build
1205         reverse operation.
1206
1207 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1208
1209         * config/i386/i386.c (ix86_delegitimize_address): Handle
1210         UNSPEC_PCREL plus displacement.
1211
1212 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1213
1214         PR target/52261
1215         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1216         to test for unusedness in st X addressing.
1217
1218 2012-02-24  Richard Guenther  <rguenther@suse.de>
1219
1220         PR middle-end/52361
1221         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1222         (is_gimple_reg_type): Move inline ...
1223         * gimple.h (is_gimple_reg_type): ... here.
1224
1225 2012-02-24  Richard Guenther  <rguenther@suse.de>
1226
1227         PR middle-end/52361
1228         * passes.c (execute_function_todo): When verifying SSA form
1229         verify gimple form first.
1230         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1231
1232 2012-02-24  Richard Guenther  <rguenther@suse.de>
1233
1234         PR middle-end/52355
1235         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1236         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1237
1238 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1239
1240         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1241
1242 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1243
1244         * tree-phinodes.c (make_phi_node): Mark static.
1245         * tree-flow.h (make_phi_node): Remove extern decl.
1246         * doc/gimple.texi (make_phi_node): Remove documentation.
1247
1248 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1249
1250         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1251         * tree-ssa-sccvn.c (print_scc): Ditto.
1252
1253 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1254
1255         * doc/passes.texi (Full redundancy elimination): Fix typo.
1256
1257 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1258
1259         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1260
1261 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1262
1263         PR bootstrap/52287
1264         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1265
1266 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1267
1268         PR c/52290
1269         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1270
1271 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1272
1273         * config/avr/avr.md (code_stdname): Add ior, xor.
1274         (xior): New code iterator.
1275         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1276         (*<code_stdname><mode>qi.byte1-3): Ditto.
1277
1278 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1279
1280         PR tree-optimization/52019
1281         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1282         CLOBBER stmts.
1283
1284 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1285
1286         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1287         HAVE_INITFINI_ARRAY to work around namespace pollution in
1288         certain versions of newlib system headers.
1289         * config.in: Regenerate.
1290         * configure: Regenerate.
1291         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1292         instead of HAVE_INITFINI_ARRAY.
1293
1294 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1295
1296         PR target/52330
1297         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1298         is not offsettable memory reference.
1299
1300 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1301
1302         PR target/18145
1303         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1304         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1305
1306 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1307
1308         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1309         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1310
1311 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1312
1313         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1314         library on Solaris 8 even without TLS support.
1315         * configure: Regenerate.
1316
1317 2012-02-22  Richard Guenther  <rguenther@suse.de>
1318
1319         PR middle-end/52329
1320         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1321         for GIMPLE_DEBUG stmts.
1322
1323 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1324
1325         PR middle-end/51782
1326         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1327         according to the base object.
1328
1329 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1330
1331         PR rtl-optimization/50063
1332         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1333         and 2 (8-bit SP) in operand 2.
1334         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1335         setup to use movhi_sp_r instead of vanilla move to write SP.
1336         Adjust REG_CFA notes to superseed unspec.
1337         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1338         of vanilla move.
1339         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1340         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1341         irq_state 1 (IRQ known to be on) here.
1342
1343 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1344
1345         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1346         WORDS_BIG_ENDIAN.
1347         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1348         assign_hard_reg): Likewise.
1349
1350 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1351
1352         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1353
1354 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1355
1356         * config/avr/avr.md
1357         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1358         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1359
1360 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1361
1362         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1363         prototype from here to...
1364         * config/avr/avr.h: ...here.
1365
1366 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1367
1368         PR target/52294
1369         * thumb2.md (thumb2_shiftsi3_short): Split register and
1370         immediate shifts.  For register shifts tie operands 0 and 1.
1371         (peephole2 for above): Check that register-controlled shifts
1372         have suitably tied operands.
1373
1374 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1375
1376         PR target/52137
1377         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1378         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1379         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1380         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1381         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1382         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1383         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1384         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1385         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1386         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1387         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1388         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1389         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1390         bdver1_ssevector_avx256_unaligned_load,
1391         bdver1_ssevector_sse128_unaligned_load,
1392         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1393         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1394         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1395         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1396         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1397         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1398         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1399         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1400         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1401         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1402         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1403         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1404         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1405         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1406         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1407         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1408         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1409         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1410         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1411         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1412         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1413         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1414         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1415         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1416         bdver1_ssediv_double_load, bdver1_ssediv_double,
1417         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1418         Add "bdver2" attribute.
1419
1420 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1421
1422         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1423         default if possible and not specified otherwise.
1424
1425 2012-02-21  Richard Guenther  <rguenther@suse.de>
1426
1427         PR middle-end/52314
1428         * gimplify.c (create_tmp_from_val): Use the main variant type
1429         for the type of the temporary we create.
1430
1431 2012-02-21  Richard Guenther  <rguenther@suse.de>
1432
1433         PR tree-optimization/52324
1434         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1435         do not gimplify a MEM_REF address operand if it is already
1436         in suitable form.
1437
1438 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1439
1440         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1441         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1442
1443 2012-02-21  Richard Guenther  <rguenther@suse.de>
1444
1445         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1446         nested_in_vect_loop.
1447
1448 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1449
1450         PR tree-optimization/52318
1451         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1452         vdef also to non-pure/const call stmts in the sequence.
1453
1454 2012-02-20  David S. Miller  <davem@davemloft.net>
1455
1456         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1457         don't use the "rd %pc" instruction on v9 for PIC register loads.
1458
1459 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1460
1461         PR middle-end/52141
1462         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1463         in a transaction safe function.
1464
1465 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1466
1467         PR target/52238
1468         * stor-layout.c (place_field): Handle desired_align for
1469         ms-bitfields, too.
1470
1471 2012-02-20  Richard Guenther  <rguenther@suse.de>
1472
1473         PR tree-optimization/52298
1474         * tree-vect-stmts.c (vectorizable_store): Properly use
1475         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1476         outer loops.
1477         (vectorizable_load): Likewise.
1478         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1479         Access DR_STEP after ensuring it is not NULL.
1480
1481 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1482
1483         PR tree-optimization/52286
1484         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1485         optimization use double_int_to_tree instead of build_int_cst_wide,
1486         rewrite to use double_int vars.
1487
1488 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1489
1490         PR target/50166
1491         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1492         Define _start.
1493         Remove -e 0 from $gcc_cv_ld invocation.
1494         Only use __GLIBC_PREREQ if defined.
1495         Enable on Solaris since Solaris 8 patch.
1496         (gcc_SUN_LD_VERSION): New macro.
1497         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1498         gcc_SUN_LD_VERSION for version number format.
1499         * configure: Regenerate.
1500         * varasm.c (get_elf_initfini_array_priority_section): Set
1501         SECTION_NOTYPE for non-default priority.
1502         Use get_section instead of get_unnamed_section to emit
1503         .init_array/.fini_array with default priority.
1504
1505 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1506
1507         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1508         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1509         (mips_start_unique_function, mips_output_mips16_rdhwr)
1510         (mips_code_end): New functions.
1511         (TARGET_ASM_CODE_END): Define.
1512
1513 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1514
1515         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1516         to stubs with non-sibling calls.
1517
1518 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1519
1520         * doc/invoke.texi (-fira-* options): Copy-edit.
1521         (ira-* parameters): Copy-edit.
1522
1523 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1524
1525         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1526         GCC coding conventions.
1527
1528 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1529
1530         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1531         when used as adjectives.
1532
1533 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1534
1535         * doc/invoke.texi: Clean up "that"/"which" confusion.
1536
1537 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1538
1539         * system.h: Poison SMALL_REGISTER_CLASSES
1540         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1541         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1542
1543 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR tree-optimization/52285
1546         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1547         when deciding if a call is a tail call or tail recursion.
1548
1549 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1550
1551         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1552         interger-constant displacement for UNSPEC_PCREL.
1553
1554 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1555
1556         PR rtl-optimization/52208
1557         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1558         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1559
1560         PR tree-optimization/52255
1561         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1562         loop->header has virtual PHI, but exit_e->dest doesn't, add
1563         virtual PHI to exit_e->dest and adjust all uses after the loop.
1564
1565         PR debug/52260
1566         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1567         children with clone_tree_hash, not after it.
1568
1569 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1570
1571         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1572         extended identifiers.
1573
1574 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1575
1576         PR middle-end/51929
1577         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1578         a same_body_alias, also test whether e->callee isn't a former
1579         or current clone of the decl this is a same body alias of.
1580
1581         PR translation/52264
1582         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1583
1584 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1585
1586         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1587
1588 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1589
1590         PR target/52199
1591         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1592         force_reg instead of copy_to_reg for better optimization.  Force
1593         non-register or memory operands into a register.
1594
1595 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1596
1597         * extend.texi: Reserve upper bits of memory model for future use.
1598
1599 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1600             Anatoly Sokolov <aesok@post.ru>
1601             Eric Weddington <eric.weddington@atmel.com>
1602
1603         PR target/52261
1604         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1605         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1606         Rewrite initializers for .macro.
1607         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1608         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1609         atxmega32d4, atxmega32x1.
1610         avrxmega4: atxmega64a3, atxmega64d3.
1611         avrxmega5: atxmega64a1, atxmega64a1u.
1612         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1613         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1614         avrxmega7: atxmega128a1, atxmega128a1u.
1615         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1616         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1617         (struct base_arch_s): Rename reserved to xmega_p.
1618         Rename reserved2 to have_rampd.
1619         (AVR_XMEGA): New define.
1620         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1621         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1622         * config/avr/predicates.md (io_address_operand): Take into
1623         account SFR offset.
1624         (low_io_address_operand): Ditto.
1625         (high_io_address_operand): Ditto.
1626         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1627         (enabled, movhi_sp_r): Use them.
1628         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1629         cpp_define_formatted to built-in define __AVR_ARCH__.
1630         (__AVR_XMEGA__): New built-in define.
1631         (__AVR_HAVE_RAMPD__): New built-in define.
1632         (__AVR_HAVE_RAMPX__): New built-in define.
1633         (__AVR_HAVE_RAMPY__): New built-in define.
1634         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1635
1636         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1637         (avr_option_override): Initialize them.
1638         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1639         (avr_init_expanders): Initialize them. No more block several calls.
1640         (emit_push_sfr): New static function.
1641         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1642         Handle AVR_XMEGA.
1643         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1644         (avr_print_operand): Print addreeses as symbols for
1645         RAMPX, RAMPY, RAMPD, CCP.
1646         (output_movhi): Handle AVR_XMEGA when writing to SP.
1647         (avr_out_movhi_mr_r_xmega): New static function.
1648         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1649         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1650         __RAMPD__,  __CCP__ as needed.
1651
1652         * config/avr/multilib.h: Regenerate.
1653         * config/avr/t-multilib: Regenerate.
1654         * config/avr/avr-tables.opt: Regenerate.
1655
1656 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1657
1658         PR tree-optimization/50561
1659         * graphite-flattening.c (lst_project_loop): Do not
1660         remove old scattering dimensions after flattening.
1661         (lst_do_flatten): Likewise.
1662
1663 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1664
1665         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1666         __builtin_avr_map8, __builtin_avr_map16.
1667         Document __builtin_avr_insert_bits.
1668
1669         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1670         (insert_bits): New insn.
1671         (adjust_len.map_bits): Rename to insert_bits.
1672         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1673         * avr-protos.h (avr_out_map_bits): Remove.
1674         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1675         * config/avr/constraints.md (Cxf,C0f): New.
1676         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1677         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1678         New built-in define __BUILTIN_AVR_INSERT_BITS.
1679         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1680         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1681         (avr_move_bits): Rewrite.
1682         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1683         functions.
1684         (avr_map_op_t): New typedef.
1685         (avr_map_op): New static variable.
1686         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1687         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1688         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1689         (bdesc_3arg, avr_expand_triop_builtin): New.
1690         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1691         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1692         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1693         (avr_map_equal_p, avr_map_sig_p): Remove.
1694         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1695         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1696         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1697         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1698         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1699         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1700
1701 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1702
1703         * config/c6x/c6x.md (reserve_cycles): New attribute.
1704         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1705         don't reserve functional units after the branch occurs.
1706
1707 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1708
1709         PR middle-end/52142
1710         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1711         functions into non-tm_pure functions.
1712
1713 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1714
1715         PR lto/52178
1716         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1717         (iterative_hash_canonical_type): Likewise.
1718         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1719         the dead edges.
1720
1721 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1722
1723         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1724         sched-group insn, it either remains alone or the entire list is pruned.
1725
1726 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1727
1728         * doc/install.texi (Prerequisites): Fix grammar.
1729         (Configuration): Likewise.
1730
1731 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1732
1733         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1734         MPC as part of GCC before describing configuring with --with-gmp etc.
1735         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1736         sources are present.
1737
1738 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR debug/51950
1741         * dwarf2out.c (clone_tree_hash): New function.
1742         (copy_decls_walk): Use it instead of clone_tree.
1743
1744 2012-02-14  Richard Guenther  <rguenther@suse.de>
1745
1746         PR tree-optimization/52244
1747         PR tree-optimization/51528
1748         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1749         replacements for integral types.
1750
1751 2012-02-14  Walter Lee  <walt@tilera.com>
1752
1753         * config.gcc: Handle tilegx and tilepro.
1754         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1755         tilegx and tilepro.
1756         Add HAVE_AS_TLS check for tilegx and tilepro.
1757         * configure: Regenerate.
1758         * doc/contrib.texi: Add Mat Hostetter and self.
1759         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1760         Document instruction intrinsics and network accessing intrinsics.
1761         (TILEPro Built-in Functions): New node.  Document instruction
1762         intrinsics and network accessing intrinsics.
1763         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1764         (Specific, tilepro-*-linux*): Likewise.
1765         * doc/invoke.texi (TILE-Gx Options): New section.
1766         (TILEPro Options): New section.
1767         * doc/md.texi (TILE-Gx): New section.
1768         (TILEPro): New section.
1769         * common/config/tilegx/tilegx-common.c: New file.
1770         * common/config/tilepro/tilepro-common.c: New file.
1771         * config/tilegx/constraints.md: New file.
1772         * config/tilegx/linux.h: New file.
1773         * config/tilegx/mul-tables.c: New file.
1774         * config/tilegx/predicates.md: New file.
1775         * config/tilegx/sync.md: New file.
1776         * config/tilegx/t-tilegx: New file.
1777         * config/tilegx/tilegx-builtins.h: New file.
1778         * config/tilegx/tilegx-c.c: New file.
1779         * config/tilegx/tilegx-generic.md: New file.
1780         * config/tilegx/tilegx-modes.def: New file.
1781         * config/tilegx/tilegx-multiply.h: New file.
1782         * config/tilegx/tilegx-protos.h: New file.
1783         * config/tilegx/tilegx.c: New file.
1784         * config/tilegx/tilegx.h: New file.
1785         * config/tilegx/tilegx.md: New file.
1786         * config/tilegx/tilegx.opt: New file.
1787         * config/tilepro/constraints.md: New file.
1788         * config/tilepro/gen-mul-tables.cc: New file.
1789         * config/tilepro/linux.h: New file.
1790         * config/tilepro/mul-tables.c: New file.
1791         * config/tilepro/predicates.md: New file.
1792         * config/tilepro/t-tilepro: New file.
1793         * config/tilepro/tilepro-builtins.h: New file.
1794         * config/tilepro/tilepro-c.c: New file.
1795         * config/tilepro/tilepro-generic.md: New file.
1796         * config/tilepro/tilepro-modes.def: New file.
1797         * config/tilepro/tilepro-multiply.h: New file.
1798         * config/tilepro/tilepro-protos.h: New file.
1799         * config/tilepro/tilepro.c: New file.
1800         * config/tilepro/tilepro.h: New file.
1801         * config/tilepro/tilepro.md: New file.
1802         * config/tilepro/tilepro.opt: New file.
1803
1804 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1805
1806         PR tree-optimization/52210
1807         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1808         vect_model_simple_cost with two entry vect_def_type array instead
1809         of an address of dt.
1810
1811 2012-02-14  Richard Guenther  <rguenther@suse.de>
1812
1813         PR lto/52178
1814         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1815         Do not stream DECL_QUALIFIER.
1816         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1817         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1818         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1819
1820 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1821
1822         PR c/52181
1823         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1824         newdecl.
1825
1826 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1827
1828         PR bootstrap/52172
1829         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1830         * cselib.c (cselib_subst_to_values_from_insn): New function.
1831         * sched-deps.c (add_insn_mem_dependence,
1832         sched_analyze_1, sched_analyze_2): Use it.
1833
1834 2012-02-13  Jan Hubicka  <jh@suse.cz>
1835
1836         PR middle-end/52214
1837         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1838
1839 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1840
1841         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1842         (GTM_SELF_SPECS): Define if not already defined.
1843         (driver_self_specs): Add GTM_SELF_SPECS.
1844         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1845         (GTM_SELF_SPECS): Define.
1846         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1847         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1848
1849 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1850
1851         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1852         away if seen.
1853
1854         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1855
1856         PR middle-end/52230
1857         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1858         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1859
1860 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1861
1862         PR c/52190
1863         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1864
1865 2012-02-13  Richard Guenther  <rguenther@suse.de>
1866
1867         PR translation/52211
1868         * passes.c (enable_disable_pass): Fix typo.
1869
1870 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1871
1872         PR middle-end/52209
1873         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1874         XOR for reduce_bit_field if type is unsigned.
1875
1876 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1877
1878         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1879         disallow changes from SFmode to mode with different size in FP regs.
1880
1881 2012-02-12  Robert Millan  <rmh@gnu.org>
1882             Gerald Pfeifer <gerald@pfeifer.com>
1883
1884         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1885         Tweak comment.
1886
1887 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1888
1889         PR rtl-optimization/52175
1890         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1891         to frame-related instructions.
1892
1893 2012-02-10  Jason Merrill  <jason@redhat.com>
1894
1895         PR c++/51910
1896         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1897         (demangle_new_symbols): Fill it.
1898         (scan_linker_output): Walk it.
1899         (start_tweaking): Split out from scan_linker_output.
1900         (maybe_tweak): Update sym->chosen.
1901         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1902
1903 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1904
1905         PR debug/52132
1906         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1907
1908 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1909
1910         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1911         having the same mode as previous compare.
1912
1913 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1914
1915         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1916         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1917         (nonlocal_goto_internal): Likewise.
1918         (nonlocal_goto): Emit a use and an indirect jump directly.
1919
1920 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1921
1922         PR c/52190
1923         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1924         __atomic_{is,always}_lock_free.
1925
1926 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1927
1928         PR target/52146
1929         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1930         negative constant address for x32.
1931
1932 2012-02-10  Richard Henderson  <rth@redhat.com>
1933
1934         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1935         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1936         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1937
1938 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1939             Ira Rosen  <irar@il.ibm.com>
1940
1941         PR tree-optimization/50031
1942         * targhooks.c (default_builtin_vectorization_cost): Handle
1943         vec_promote_demote.
1944         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1945         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1946         all types of reduction and pattern statements.
1947         (vect_estimate_min_profitable_iters): Likewise.
1948         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1949         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1950         for explicit realigns.
1951         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1952         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1953         vec_promote_demote.
1954         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1955         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1956         vec_perm for VSX and handle vec_promote_demote.
1957
1958 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1959
1960         PR middle-end/52177
1961         * builtins.c (fold_builtin_atomic_always_lock_free,
1962         expand_builtin_atomic_always_lock_free,
1963         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1964         Return and/or test boolean_true_node/boolean_false_node instead of
1965         integer_one_node/integer_zero_node.
1966
1967 2012-02-10  Jan Hubicka  <jh@suse.cz>
1968
1969         PR middle-end/48600
1970         * predict.c (predict_paths_for_bb): Prevent looping.
1971         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1972
1973 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1974
1975         * config/arm/arm.c (output_move_double): In one case properly
1976         count number of instructions that will be emitted.
1977
1978 2012-02-10  Richard Guenther  <rguenther@suse.de>
1979
1980         PR translation/52193
1981         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1982
1983 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1984
1985         PR middle-end/52140
1986         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1987
1988 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1989
1990         PR debug/52165
1991         * var-tracking.c (emit_note_insn_var_location): If
1992         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1993         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1994         non-NOTE_DURING_CALL_P insn.
1995
1996 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1997
1998         PR middle-end/51867
1999         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
2000
2001 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
2002
2003         PR driver/48524
2004         * gcc.c (switch_matches) Support switches with separated form,
2005         -D and -U.
2006
2007 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
2008
2009         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
2010         (SP_ADDR): Ditto.
2011         (RAMPZ_ADDR): Ditto.
2012         * config/avr/avr.c (avr_addr_t): New typedef.
2013         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
2014         (avr_init_expanders): Initialize it.
2015         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
2016         SREG_ADDR.
2017         (expand_epilogue): Ditto.
2018         (avr_print_operand): Ditto.
2019         (avr_file_start): Ditto.
2020         (avr_emit_movmemhi): Ditto.
2021
2022 2012-02-08  Richard Guenther  <rguenther@suse.de>
2023
2024         PR tree-optimization/46886
2025         * tree-flow.h (do_while_loop_p): Declare.
2026         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
2027         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
2028
2029 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
2030
2031         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
2032         always succeed for integers larger than a native word.
2033
2034 2012-02-08  Richard Guenther  <rguenther@suse.de>
2035
2036         PR rtl-optimization/52170
2037         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
2038         properly handle integer vector modes.
2039
2040 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR gcov-profile/52150
2043         * coverage.c: Include target.h.
2044         (build_var): Call targetm.strip_name_encoding on the assembler name.
2045         Change one _ into . or $ if the target allows it.
2046         * Makefile.in (coverage.o): Depend on $(TARGET_H).
2047
2048         PR rtl-optimization/52139
2049         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
2050         is a BARRIER after emit_insn_after_noloc, move BB_END
2051         to the last non-BARRIER insn before it.
2052
2053 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
2054
2055         PR middle-end/24306
2056         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
2057         (mips_gimplify_va_arg_expr): Call it instead of
2058         std_gimplify_va_arg_expr.
2059
2060 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
2061
2062         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
2063         message for -mno-pointers-to-nested-function.
2064
2065 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
2066
2067         PR middle-end/51994
2068         * expr.c (get_inner_reference): If there is an offset, add a negative
2069         bit position to it (if any).
2070
2071 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2072
2073         PR rtl-optimization/52060
2074         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
2075         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
2076         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
2077         and/or i0src_copy2 when needed.
2078
2079 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2080
2081         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
2082         or LTOPLUGINSONAME if have_c.
2083
2084         * config/freebsd-spec.h: Add comment about what macros can be defined
2085         in this header.
2086         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
2087         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
2088         here instead.
2089
2090 2012-02-07  Richard Guenther  <rguenther@suse.de>
2091
2092         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
2093         newline in -alias dumps.
2094
2095 2012-02-07  Kai Tietz  <ktietz@redhat.com>
2096             Dave Korn  <dave.korn.cygwin@gmail.com>
2097
2098         PR target/40068
2099         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2100         Take care that typinfo gets dllexport-attribute.
2101
2102 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
2103
2104         PR middle-end/52074
2105         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
2106         if modifier < EXPAND_SUM call force_operand on the result.
2107
2108 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
2109
2110         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
2111         adding __forwarder_dst__ prefix if a forwarder_section attribute is
2112         present.
2113         (epiphany_function_type): Replace types for specific interrupts with
2114         EPIPHANY_FUNCTION_INTERRUPT.
2115         (EPIPHANY_INTERRUPT_P): Update.
2116         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2117         New static function.
2118         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2119         <disinterrupt>: Affects type identity.
2120         (epiphany_handle_interrupt_attribute): Handle variable number of
2121         arguments.
2122         (epiphany_compute_function_type): Update for new
2123         epiphany_function_type definition.
2124         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2125         handlers with a longcall forwarder.
2126         (epiphany_start_function): Handle multiple interrupt arguments and/or
2127         forwarder_section attribute.
2128
2129         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2130         libgloss.
2131
2132 2012-02-07  Alan Modra  <amodra@gmail.com>
2133
2134         PR target/52107
2135         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2136         subregs of TFmode.
2137
2138 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2139
2140         PR tree-optimization/50969
2141         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2142         use vec_perm rather than vector_stmt.
2143         (vect_model_load_cost): Likewise.
2144         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2145         vec_perm to be the same as other vector statements.
2146         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2147         cost of vec_perm for TARGET_VSX.
2148
2149 2012-02-06  Richard Guenther  <rguenther@suse.de>
2150
2151         PR tree-optimization/52115
2152         * tree-sra.c (access_has_replacements_p): New function.
2153         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2154
2155 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2156
2157         PR middle-end/52047
2158         * trans-mem.c (expand_call_tm): Add an assertion.
2159         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2160         functions.
2161
2162 2012-02-06  Richard Guenther  <rguenther@suse.de>
2163
2164         PR tree-optimization/50955
2165         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2166         raise cost of expressions that replace an address with an
2167         expression based on a different pointer.
2168
2169 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR target/52129
2172         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2173         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2174
2175 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2176
2177         PR c++/48680
2178         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2179         -Weffc++ and specify guidelines come from second edition.
2180
2181 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2182
2183         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2184         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2185         (call_direct_split, call_value_split, call_value_internal_direct)
2186         (call_value_direct_split, call_value_multiple_split): Use jal and
2187         jal_macro attributes.
2188
2189 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2190
2191         * reload1.c (reload_regs_reach_end_p): Replace with...
2192         (reload_reg_rtx_reaches_end_p): ...this function.
2193         (new_spill_reg_store): Update commentary.
2194         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2195         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2196         before setting new_spill_reg_store.
2197         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2198         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2199         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2200         for non-spill reload registers.
2201
2202 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2203
2204         PR tree-optimization/52091
2205         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2206         (vect_is_simple_use_1): Likewise.
2207         * tree-vect-loop.c (vectorizable_reduction): Update calls
2208         to vect_is_simple_use_1 and vect_is_simple_use.
2209         (vectorizable_live_operation): Likewise.
2210         * tree-vect-patterns.c (widened_name_p,
2211         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2212         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2213         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2214         vectorizable_shift,vectorizable_operation, vectorizable_store,
2215         vectorizable_load): Likewise.
2216         (vect_is_simple_cond): Add an argument, pass it to
2217         vect_is_simple_use_1.
2218         (vectorizable_condition): Update calls to vect_is_simple_cond,
2219         vect_is_simple_use.
2220         (vect_is_simple_use): Add an argument, the statement in which
2221         OPERAND is used.  Check that if OPERAND's def stmt is a double
2222         reduction phi node, the use is a phi node too.
2223         (vect_is_simple_use_1): Add an argument, pass it to
2224         vect_is_simple_use.
2225         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2226         to vect_is_simple_use.
2227
2228 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2229
2230         PR rtl-optimization/52095
2231         * modulo-sched.c (dump_insn_locator): New function.
2232         (loop_canon_p, sms_schedule): Use it.
2233
2234         PR rtl-optimization/52113
2235         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2236         even for decomposable shift/zext insns.
2237
2238 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2239             Zdenek Dvorak  <ook@ucw.cz>
2240
2241         PR rtl-optimization/52092
2242         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2243         on get_iv_value result.
2244
2245 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2246
2247         PR middle-end/47982
2248         PR middle-end/43967
2249         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2250
2251 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2252
2253         PR middle-end/48071
2254         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2255
2256 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2257
2258         PR rtl-optimization/49800
2259         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2260         (sched_finish): Call regstat_free_n_sets_and_refs.
2261
2262 2012-02-02  Jia Liu  <proljc@gmail.com>
2263
2264         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2265         than operand 2.
2266
2267 2012-02-02  Jan Hubicka  <jh@suse.cz>
2268             Tom de Vries  <tom@codesourcery.com>
2269
2270         PR middle-end/51998
2271         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2272         * varpool.c (varpool_analyze_pending_decls): Likewise.
2273
2274 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2275             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2276
2277         * config.gcc: Add cr16-* support.
2278
2279         * doc/extend.texi: Document cr16 extensions.
2280         * doc/install.texi: Document cr16 install.
2281         * doc/invoke.texi: Document cr16 options.
2282         * doc/md.texi: Document cr16 constraints.
2283
2284         * common/config/cr16/cr16-common.c: New file.
2285         * config/cr16/cr16.c: New file.
2286         * config/cr16/cr16.h: New file.
2287         * config/cr16/cr16.md: New file.
2288         * config/cr16/cr16.opt: New file.
2289         * config/cr16/cr16-protos.h: New file.
2290         * config/cr16/predicates.md: New file.
2291         * config/cr16/constraints.md: New file.
2292         * config/cr16/t-cr16: New file.
2293
2294 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2295
2296         PR target/52086
2297         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2298         that operands[2] is either immediate, or q_regs_operand.
2299
2300         PR tree-optimization/52073
2301         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2302         a pattern stmt for pattern uses, ignore uses outside of the loop.
2303
2304 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2305
2306         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2307         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2308         (OUT_AS1, OUT_AS2): Remove.
2309
2310 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2311
2312         PR rtl-optimization/51374
2313         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2314         to cross other volatile_refs_p insns.
2315
2316 2012-02-01  Richard Guenther  <rguenther@suse.de>
2317
2318         * doc/invoke.texi (fno-inline): Clarify documentation.
2319         (finline-small-functions): Likewise.
2320         (finline-functions): Likewise.
2321         * common.opt (finline): Adjust comment and documentation.
2322         (finline-small-functions): Clarify documentation.
2323         (finline-functions): Likewise.
2324         (finline-functions-called-once): Likewise.
2325
2326 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2327
2328         * c-typeck.c (composite_type): Keep mode for pointers.
2329
2330 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2331
2332         * function.h (regno_reg_rtx): Adjust comment.
2333         * reginfo.c (init_reg_modes_target): Only use the previous mode
2334         if it fits within one register.  Remove MIPS comment.
2335
2336 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2337
2338         PR bootstrap/52058
2339         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2340
2341 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2342
2343         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2344         to srak instruction.
2345
2346 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2347
2348         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2349
2350 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2351
2352         PR bootstrap/52041
2353         PR bootstrap/52039
2354         PR target/51974
2355         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2356
2357 2012-01-31  Richard Guenther  <rguenther@suse.de>
2358
2359         PR tree-optimization/51528
2360         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2361         assigns.
2362
2363 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2364
2365         PR bootstrap/52041
2366         PR bootstrap/52039
2367         PR target/51974
2368         * ree.c (add_removable_extension): Change def_map argument
2369         to unsigned *, store in def_map 1 + offset into *insn_list vector
2370         instead of pointers into the vector.
2371         (find_removable_extensions): Adjust caller.
2372
2373 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2374
2375         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2376         Transform all "* quoted-c-code" to { c-code }.
2377         Remove redundant test for "optimize" in combine patterns.
2378         Move (include "avr-dimode.md") to end of file.
2379
2380 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2381
2382         PR target/51835
2383         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2384         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2385
2386 2012-01-30  Richard Guenther  <rguenther@suse.de>
2387
2388         PR tree-optimization/52028
2389         * tree-loop-distribution.c (ldist_gen): Properly update
2390         virtual SSA form.
2391
2392 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2393
2394         PR debug/52027
2395         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2396         set_cur_line_info_table if not emitting debug info.
2397
2398         PR tree-optimization/52046
2399         * tree-vect-patterns.c (check_bool_pattern): Give up if
2400         a comparison could throw.
2401
2402         PR debug/52048
2403         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2404
2405 2012-01-30  Richard Guenther  <rguenther@suse.de>
2406
2407         PR tree-optimization/52045
2408         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2409         SSA form if cfgcleanup did anything.
2410
2411 2012-01-30  Richard Guenther  <rguenther@suse.de>
2412
2413         PR tree-optimization/52045
2414         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2415         before computing final todo.
2416
2417 2012-01-30  Richard Guenther  <rguenther@suse.de>
2418
2419         PR tree-optimization/51528
2420         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2421         for PR51528 fix.
2422
2423 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2424
2425         * df-problems.c (df_kill_notes): Check that the use refers
2426         to the note under examination.
2427
2428 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2429
2430         PR target/51920
2431         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2432         parameter and use short-lived pseudos.
2433         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2434         (sparc_expand_vector_init): Const-ify local variables and adjust
2435         calls to above functions.
2436
2437 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2438
2439         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2440
2441 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2442
2443         * doc/invoke.texi: Make usage of "compile time" and
2444         "run time"/"runtime" consistent throughout the file.
2445
2446 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2447
2448         * config/alpha/alpha.c (alpha_option_override): Default to
2449         full IEEE compliance mode for Go language.
2450
2451 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2452
2453         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2454         (LINK_SSP_SPEC): Define.
2455
2456 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2457
2458         PR target/51871
2459         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2460         stubs.
2461
2462 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2463
2464         * doc/invoke.texi: Correct hyphenation of "floating point",
2465         "double precision", and related terminology throughout the file.
2466
2467 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2468
2469         PR target/52006
2470         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2471         arm_general_register_operand predicate for operand 2 instead of
2472         register_operand.
2473
2474 2012-01-27  Ian Lance Taylor  <iant@google.com>
2475
2476         PR go/47656
2477         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2478         * builtins.c (expand_builtin_init_trampoline): Add onstack
2479         parameter.  Change caller.
2480         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2481         * tree.c (build_common_builtin_nodes): Declare
2482         __builtin_init_heap_trampoline.
2483
2484 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2485
2486         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2487         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2488         * config/avr/avr.c: Ditto.
2489         (avr_regnames): Remove because unused.
2490         * config/avr/avr.md (*cpse.ne): New peephole.
2491         (*cpse.eq): New peephole from former cpse peepholes.
2492
2493 2012-01-27  Michael Eager  <eager@eagercon.com>
2494
2495         * config/microblaze.c (microblaze_emit_compare): Correct
2496         test after pcmp instruction.
2497
2498 2012-01-27  Richard Guenther  <rguenther@suse.de>
2499
2500         PR tree-optimization/52020
2501         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2502
2503 2012-01-27  Richard Guenther  <rguenther@suse.de>
2504
2505         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2506         function non-const/pure.
2507
2508 2012-01-27  Richard Guenther  <rguenther@suse.de>
2509
2510         PR tree-optimization/50444
2511         * tree-sra.c (build_ref_for_offset): Properly adjust the
2512         MEM_REF type for unaligned accesses.
2513
2514 2012-01-27  Richard Guenther  <rguenther@suse.de>
2515
2516         PR tree-optimization/50444
2517         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2518         (expand_assignment): Use it.  Properly handle misaligned
2519         bases when expanding stores to component references.
2520         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2521         refactor that case.
2522
2523 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2524
2525         PR middle-end/51389
2526         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2527         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2528         * tree-data-ref.c (find_data_references_in_loop): Make static.
2529         (compute_all_dependences): Change return type to bool.  Bail out
2530         for too many datarefs in a loop.  Move the hunk resetting the data
2531         dependences vector from ...
2532         (compute_data_dependences_for_loop): ... here.  Account for
2533         compute_all_dependences returning false.
2534         (compute_data_dependences_for_bb): Likewise.
2535         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2536         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2537
2538 2012-01-27  Richard Guenther  <rguenther@suse.de>
2539
2540         PR middle-end/51959
2541         * expr.c (store_field): Use the alias-set of the scratch memory
2542         for storing to it.
2543
2544 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2545
2546         PR tree-optimization/51990
2547         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2548         WITH_SIZE_EXPR.
2549         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2550
2551 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2552
2553         PR debug/52001
2554         * var-tracking.c (reverse_op): Don't add any reverse operation
2555         if V already has any constant locations.
2556
2557 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2558
2559         * doc/invoke.texi: Correct usage of "command line" (noun)
2560         vs "command-line" (adjective) throughout.
2561
2562 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2563
2564         * doc/invoke.texi (Language Independent Options): Move
2565         -Wcoverage-mismatch blurb from here....
2566         (Warning Options): ...to here.
2567
2568 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2569
2570         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2571         Set rs6000_always_hint to false for 476.
2572
2573 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2574
2575         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2576           system root.
2577         * incpath.c (add_standard_paths): Likewise.
2578
2579 2012-01-27  Richard Henderson  <rth@redhat.com>
2580
2581         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2582         * config/m68k/sync.md (atomic_test_and_set): Rename from
2583         sync_test_and_setqi and adjust the operands.
2584         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2585         and unconditionally enable.
2586
2587 2012-01-27  Richard Henderson  <rth@redhat.com>
2588
2589         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2590         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2591         (ldstub): Rename from ldstubqi.
2592         (ldstub<I24MODE>): Remove.
2593
2594 2012-01-27  Richard Henderson  <rth@redhat.com>
2595
2596         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2597         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2598         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2599         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2600         * doc/tm.texi: Rebuild.
2601
2602 2012-01-27  Richard Henderson  <rth@redhat.com>
2603
2604         * optabs.c (gen_atomic_test_and_set): Remove default.
2605         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2606
2607 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2608
2609         PR rtl-optimization/51978
2610         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2611         (combine_reaching_defs): Likewise.
2612         (struct re_info): Remove.
2613         (add_removable_extension): Remove x and data arguments,
2614         add insn, insn_list and def_map.  Use the arguments directly
2615         instead of using struct re_info.
2616         (find_removable_extensions): Don't call add_removable_extension
2617         through note_stores, instead just call it with single_set
2618         result if non-NULL.
2619         (find_and_remove_re): Pass curr_cand->expr instead of
2620         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2621
2622 2012-01-26  Michael Matz  <matz@suse.de>
2623
2624         PR tree-optimization/46590
2625         * cfgexpand.c: Revert last change (r183305).
2626         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2627         regs.
2628         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2629         checking for emptiness.
2630
2631 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2632
2633         PR middle-end/51895
2634         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2635         non-addressable non-BLKmode base correctly.
2636
2637 2012-01-26  Michael Matz  <matz@suse.de>
2638
2639         PR tree-optimization/48794
2640         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2641         regions referenced from RESX/EH_DISPATCH.
2642
2643 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2644
2645         * config/s390/s390.h: Make BRANCH_COST an option.
2646         * config/s390/s390.opt: New option -mbranch-cost.
2647
2648 2012-01-26  Richard Henderson  <rth@redhat.com>
2649
2650         Revert 2012-01-24 change:
2651         * trans-mem.c (requires_barrier): Do not instrument thread local
2652         variables and emit save/restore for them.
2653
2654 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR middle-end/51986
2657         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2658         for pat == 0.
2659
2660 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2661
2662         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2663         ASM_OPERANDS.
2664
2665 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2666
2667         PR target/49868
2668         Rename __pgm to __flash.
2669         Rename __pgm1 to __flash1.
2670         Rename __pgm2 to __flash2.
2671         Rename __pgm3 to __flash3.
2672         Rename __pgm4 to __flash4.
2673         Rename __pgm5 to __flash5.
2674         Rename __pgmx to __memx.
2675         * doc/extend.texi (AVR Named Address Spaces)
2676         Rename address space names as indicated above.
2677         * config/avr/avr.c (avr_addrspace): Ditto.
2678
2679         * config/avr/avr-protos.h
2680         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2681         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2682         * config/avr/predicates.md: Ditto.
2683         * config/avr/avr.c Ditto, and
2684         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2685         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2686
2687         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2688         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2689         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2690         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2691         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2692         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2693         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2694         * config/avr/avr.c: Ditto.
2695         * config/avr/avr.md: Ditto.
2696
2697 2012-01-25  Jason Merrill  <jason@redhat.com>
2698
2699         PR c++/51992
2700         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2701
2702 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2703
2704         PR tree-optimization/51987
2705         * tree-data-ref.c (get_references_in_stmt): Handle references in
2706         non-volatile GIMPLE_ASM.
2707
2708 2012-01-25  Richard Guenther  <rguenther@suse.de>
2709
2710         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2711         bases are dereferenced.
2712
2713 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2714
2715         PR rtl-optimization/48374
2716         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2717
2718 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2719
2720         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2721         compute_data_dependences_for_loop returns false.
2722         * tree-parloops.c (loop_parallel_p): Likewise.
2723
2724 2012-01-25  Richard Guenther  <rguenther@suse.de>
2725
2726         * tree.h (get_pointer_alignment_1): Declare.
2727         * builtins.c (get_pointer_alignment_1): New function.
2728         (get_pointer_alignment): Use it.
2729
2730 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2731
2732         PR rtl-optimization/48308
2733         * combine.c (enum undo_kind): Add UNDO_LINKS.
2734         (struct undo): Add member l to other_contents and where.
2735         (do_SUBST_LINK): New.
2736         (SUBST_LINK): New.
2737         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2738         (undo_all): Handle UNDO_LINKS.
2739
2740 2012-01-25  Richard Henderson  <rth@redhat.com>
2741
2742         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2743         mem inputs.
2744
2745 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2746
2747         * optabs.c (gen_atomic_test_and_set): Use each argument.
2748
2749 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2750
2751         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2752         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2753         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2754         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2755         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2756         TARGET_PAIRED_SINGLE_FLOAT.
2757
2758 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2759
2760         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2761         (in_struct, return_val): Remove MEM documentation.
2762         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2763         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2764         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2765         and MEM_SCALAR.
2766         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2767         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2768         * expr.c (store_field): Likewise.
2769         * function.c (assign_stack_temp_for_type): Likewise.
2770         * ifcvt.c (noce_try_cmove_arith): Likewise.
2771         * reload1.c (reload): Likewise.
2772         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2773         (alpha_set_memflags): Likewise.
2774         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2775
2776 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2777
2778         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2779         parameter.
2780         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2781         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2782         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2783         varies parameter.
2784         * cselib.c (cselib_rtx_varies_p): Delete.
2785         (cselib_invalidate_mem): Update call to canon_true_dependence.
2786         * dse.c (record_store, check_mem_read_rtx): Likewise.
2787         (scan_reads_nospill): Likewise.
2788         * cse.c (check_dependence): Likewise.
2789         (cse_rtx_varies_p): Delete.
2790         * expr.c (safe_from_p): Update call to true_dependence.
2791         * ira.c (validate_equiv_mem_from_store): Likewise.
2792         (memref_referenced_p): Likewise.
2793         * postreload-gcse.c (find_mem_conflicts): Likewise.
2794         * sched-deps.c (sched_analyze_2): Likewise.
2795         * store-motion.c (load_kills_store): Likewise.
2796         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2797         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2798         (compute_transp): Update call to canon_true_dependence.
2799
2800 2012-01-25  Richard Henderson  <rth@redhat.com>
2801
2802         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2803         (maybe_emit_atomic_test_and_set): New.
2804         (expand_sync_lock_test_and_set): Use it.
2805         (expand_atomic_test_and_set): Likewise.
2806         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2807         the implementation; clarify implementation defined details.
2808         * doc/md.texi (atomic_test_and_set): Document.
2809
2810 2012-01-25  Richard Henderson  <rth@redhat.com>
2811
2812         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2813
2814 2012-01-25  Richard Henderson  <rth@redhat.com>
2815
2816         PR target/51968
2817         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2818         to effect no-op split.
2819
2820 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2821
2822         PR lto/51698
2823         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2824         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2825         (BT_FN_VOID_PTR_INT_SIZE): New.
2826         (BT_FN_UINT_UINT_VAR): Remove.
2827         (BT_FN_UINT32_UINT32_VAR): New.
2828         (BT_FN_DOUBLE_VPTR): Remove.
2829         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2830
2831         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2832         (_ITM_changeTransactionMode): Same.
2833         (_ITM_memmoveRtWt): Change return type to void.
2834         (_ITM_memcpyRtWt): Same.
2835         (_ITM_memsetW): Same.
2836         (_ITM_RaRD): Change types to double.
2837         (_ITM_RD): Same.
2838         (_ITM_RaWD): Same.
2839         (_ITM_RfWD): Same.
2840
2841         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2842
2843 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2844             Patrick Marlier  <patrick.marlier@gmail.com>
2845
2846         * trans-mem.c (requires_barrier): Do not instrument thread local
2847         variables and emit save/restore for them.
2848
2849 2012-01-24  Jason Merrill  <jason@redhat.com>
2850
2851         PR c++/51812
2852         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2853         output static aliases.
2854
2855 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2856
2857         PR driver/47249
2858         * common.opt (-pie, -shared, pie, shared): Change from Common to
2859         Driver.
2860         * gcc.c (display_help): Display help for -pie and -shared.
2861
2862 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2863
2864         PR target/49868
2865         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2866         Remove note on size/offset limitation.
2867         (AVR Variable Attributes): Add example how to read data located
2868         with progmem.  Refer to named address spaces.
2869         * doc/invoke.texi (AVR Options): Fix typo.
2870
2871 2012-01-24  Richard Guenther  <rguenther@suse.de>
2872
2873         Forward-port to trunk
2874         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2875
2876         PR middle-end/45678
2877         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2878         op0 isn't sufficiently aligned and there is movmisalignM
2879         insn for mode, use it to load op0 into a temporary register.
2880
2881 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2882
2883         PR target/51957
2884         * target.def (const_not_ok_for_debug_p): New hook.
2885         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2886         documentation.
2887         * doc/tm.texi: Regenerated.
2888         * dwarf2out.c (const_ok_for_output_1): If
2889         targetm.const_not_ok_for_debug_p returns true, fail.
2890         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2891         function.
2892         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2893
2894 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2895
2896         PR target/51900
2897         * config/i386/predicates.md (symbolic_operand): Allow
2898         UNSPEC_PCREL as PIC expression for lea.
2899         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2900         * config/i386/i386.c (ix86_delegitimize_address): Handle
2901         UNSPEC_PCREL for none-MEM, too.
2902
2903 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2904
2905         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2906         (ipa_tm_create_version_alias): Same.
2907
2908 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2909
2910         PR libitm/51830
2911         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2912         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2913
2914 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2915             Patrick Marlier  <patrick.marlier@gmail.com>
2916             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2917
2918         PR lto/51916
2919         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2920         simple_object_start_read.
2921
2922 2012-01-23  Richard Guenther  <rguenther@suse.de>
2923
2924
2925         PR tree-optimization/51895
2926         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2927         parameter decomposition into BLKmode components.
2928
2929 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2930
2931         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2932         fake variables for restrict-qualified pointers whose pointed-to type
2933         contains a placeholder.
2934
2935 2012-01-23  Richard Guenther  <rguenther@suse.de>
2936
2937         PR tree-optimization/51949
2938         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2939
2940 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2941
2942         PR rtl-optimization/51933
2943         * ree.c (transform_ifelse): Return true right away if dstreg is
2944         already wider or equal to cand->mode.
2945         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2946         (make_defs_and_copies_lists): Remove defs_list and copies_list
2947         arguments, add state argument, just truncate state->work_list
2948         instead of always allocating and freeing the vector.  Assert that
2949         get_defs succeeds instead of returning 2.  Changed return type to bool.
2950         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2951         have ext_src_mode, see if it has been modified already with the
2952         right kind of extension and has been extended before from the
2953         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2954         just return true.  Remember the original mode in state->modified array.
2955         (combine_reaching_defs): Add state argument.  Don't allocate and
2956         free here def_list, copied_list and vec vectors, instead just
2957         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2958         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2959         Add state variable, clear vectors in it, initialize state.modified
2960         if needed.  Free all the vectors at the end and state.modified too.
2961         Don't skip a candidate if the extension expression has been modified.
2962
2963 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2964
2965         PR target/47096
2966         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2967          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2968         (extra_options) interix.opt -> i386/interix.opt"
2969         (extra_objs):Add winnt-stubs.o
2970         * configure.ac: Add interix to target_os .comm on PE check.
2971         * configure: Regenerate.
2972         * config/interix3.h: Delete and move bits to..
2973         * config/interix.h: Delete and move bits to..
2974         * config/i386/i386-interix3.h: Delete and move bits to..
2975         * config/i386/i386-interix.h: ..here.
2976         (TARGET_CPU_DEFAULT): Remove redefinition.
2977         (TARGET_ASM_CONSTRUCTOR): Undefine.
2978         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2979         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2980         (PTRDIFF_TYPE): Define.
2981         (LONG_DOUBLE_TYPE_SIZE): Define.
2982         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2983         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2984         (TARGET_SECTION_TYPE_FLAGS): Define.
2985         (ASM_DECLARE_FUNCTION_NAME): Define.
2986         (ASM_OUTPUT_EXTERNAL): Define.
2987         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2988         (ASM_OUTPUT_ALIGNED_BSS): Define.
2989         (PCC_BITFIELD_TYPE_MATTERS): Define.
2990         (USE_CONST_SECTION): Define.
2991         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2992         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2993         (SUPPORTS_ONE_ONLY): Remove.
2994         (I386_PE_STRIP_ENCODING): Define.
2995         * config/interix.opt: Delete and move bits to..
2996         * config/i386/interix.opt: ..here. New.
2997         (mpe-aligned-commons): Add.
2998         * config/i386/t-interix: Add copyright header.
2999         (winnt-stubs.o): Add rule.
3000
3001 2012-01-22  Jason Merrill  <jason@redhat.com>
3002
3003         PR c++/51832
3004         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
3005         for extra name aliases.
3006
3007 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3008
3009         PR rtl-optimization/51924
3010         * ree.c (combine_set_extension): Improve debugging message.
3011         (combine_reaching_defs): Likewise.
3012         (get_defs): Rename confusingly named variable.
3013         (find_and_remove_re): Skip a candidate if the extension expression has
3014         been modified.
3015
3016 2012-01-21  Robert Millan  <rmh@gnu.org>
3017             Gerald Pfeifer  <gerald@pfeifer.com>
3018
3019         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
3020         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
3021
3022 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3023
3024         PR tree-optimization/51914
3025         * tree-vect-stmts.c (vectorizable_conversion): For
3026         cvt_type && modifier == WIDEN, put temporary with cvt_type
3027         at the beginning of vec_dsts and set vec_dest to temporary
3028         with vectype_out.
3029
3030 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
3031
3032         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
3033
3034 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
3035
3036         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
3037         * config/rs6000/rs6000.c: Likewise.
3038
3039 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
3040
3041         PR target/51915
3042         * config/arm/arm.c (arm_count_output_move_double_insns): Call
3043         output_move_double on a copy of operands array.
3044
3045 2012-01-20  Cary Coutant  <ccoutant@google.com>
3046             Dodji Seketeli  <dodji@redhat.com>
3047
3048         PR debug/45682
3049         * dwarf2out.c (copy_declaration_context): Return ref to parent
3050         of declaration DIE, if necessary.
3051         (remove_child_or_replace_with_skeleton): Add new parameter; update
3052         caller.  Place skeleton DIE under parent DIE of original declaration.
3053         Move call to copy_declaration_context to here ...
3054         (break_out_comdat_types): ... from here.
3055
3056 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3057
3058         PR rtl-optimization/51856
3059         * reload.c (find_reloads_subreg_address): Set the address_reloaded
3060         flag to reloaded.
3061
3062 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3063
3064         PR target/51819
3065         * config/arm/arm.c (arm_print_operand): Correct output of alignment
3066         hints for neon loads and stores.
3067
3068 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
3069
3070         PR target/49868
3071         PR target/50887
3072         * doc/extend.texi (Named Address Spaces): Split into subsections.
3073         (AVR Named Address Spaces): New subsection.
3074         (M32C Named Address Spaces): New subsection.
3075         (RL78 Named Address Spaces): New subsection.
3076         (SPU Named Address Spaces): New subsection.
3077         (Variable Attributes): New anchor "AVR Variable Attributes".
3078         (AVR Variable Attributes): Rewrite and avoid wording
3079         "address space" in this context.
3080         * doc/invoke.texi (AVR Options): Rewrite and add documentation
3081         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
3082         (AVR Built-in Macros): New subsubsection therein.
3083         * doc/md.texi (AVR constraints): Remove "C04", "R".
3084
3085 2012-01-20  Richard Guenther  <rguenther@suse.de>
3086
3087         PR tree-optimization/51903
3088         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
3089         when removing stmts.
3090
3091 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3092
3093         PR target/50313
3094         * config/arm/arm.c (arm_load_pic_register): Use
3095         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
3096         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
3097         (arm_pic_static_addr): Likewise.
3098         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
3099         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
3100         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
3101         (pic_load_addr_unified): New.
3102
3103 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
3104
3105         PR target/51106
3106         * function.c (instantiate_virtual_regs_in_insn): Use
3107         delete_insn_and_edges when removing a wrong asm insn.
3108
3109 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
3110
3111         PR rtl-optimization/40761
3112         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3113         Add new member loop_num.
3114         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3115         (ira_build): Remove the parameter.
3116
3117         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3118         (ira.c): Do not build CFG loops for one region allocation.  Remove
3119         argument from ira_build call.
3120
3121         * ira-build.c (init_loop_tree_node): New function.
3122         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3123         loops are not built.
3124         (more_one_region_p): Check current_loops.
3125         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3126         built.
3127         (add_loop_to_tree): Process loop equal to NULL too.
3128         (form_loop_tree): Separate the case when CFG loops are not built.
3129         Use explicitly number for the root.
3130         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3131         an assertion.
3132         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3133         instead of loop->num.
3134         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3135         (mark_all_loops_for_removal): Ditto.
3136         (remove_unnecessary_regions): Separate the case when CFG loops
3137         are not built.
3138         (ira_build): Remove the parameter.  Use explicit number of regions
3139         when CFG loops are not built.
3140
3141         * ira-color.c (print_loop_title): Separate the case for the root node.
3142         Use loop_num instead of loop->num.
3143         (move_spill_restore): Use loop_num instead of loop->num.
3144
3145         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3146         (change_loop): Ditto.
3147         (change_loop): Use loop_num instead of loop->num.
3148
3149         * ira-lives.c (process_bb_node_lives): Ditto.
3150
3151         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3152
3153         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3154
3155 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3156
3157         PR libmudflap/40778
3158         * tree-mudflap.c (mf_artificial): New function.
3159         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3160         mx_register_decls, mudflap_enqueue_decl): Use it.
3161
3162         PR target/51876
3163         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3164         numbers in the insn pattern.
3165
3166 2012-01-19  Michael Matz  <matz@suse.de>
3167
3168         PR tree-optimization/46590
3169         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3170         use it in remembering which conflicts we already created.
3171         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3172         bitmap.
3173
3174 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3175
3176         PR lto/51280
3177         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3178         (merge_and_complain): Same.
3179
3180 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3181
3182         PR bootstrap/50237
3183         * config/initfini-array.h: Guard content of the header
3184         with #ifdef HAVE_INITFINI_ARRAY.
3185         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3186         Add initfini-array.h to tm_file here.
3187         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3188         * config.gcc: Don't add initfini-array.h to tm_file here.
3189         * configure: Regenerated.
3190
3191 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3192
3193         PR rtl-optimization/51505
3194         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3195         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3196         (df_note_bb_compute): Update the call to df_kill_notes.
3197
3198 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3199
3200         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3201
3202 2012-01-18  Richard Guenther  <rguenther@suse.de>
3203
3204         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3205         of conversions to void *.
3206
3207 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3208             Richard Sandiford  <rdsandiford@googlemail.com>
3209
3210         PR middle-end/50325
3211         PR middle-end/51192
3212         * optabs.h (simplify_expand_binop): Declare.
3213         * optabs.c (simplify_expand_binop): Make global.
3214         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3215         endian targets if the source cannot be exactly covered by word
3216         mode chunks.
3217
3218 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3219
3220         PR bootstrap/51872
3221         * hard-reg-set.h (struct hard_reg_set_container): New type.
3222         * target.h (struct hard_reg_set_container): Forward declare.
3223         * target.def (set_up_by_prologue): New target hook.
3224         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3225         * doc/tm.texi: Regenerated.
3226         * function.c (thread_prologue_and_epilogue_insns): Change
3227         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3228         Call targetm.set_up_by_prologue on it.
3229         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3230         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3231
3232 2012-01-17  Nick Clifton  <nickc@redhat.com>
3233
3234         * config/rx/rx.c (rx_can_use_simple_return): New function.
3235         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3236         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3237
3238 2012-01-17  Richard Guenther  <rguenther@suse.de>
3239
3240         PR middle-end/51782
3241         * expr.c (expand_assignment): Take address-space information
3242         from the address operand of MEM_REF and TARGET_MEM_REF.
3243         (expand_expr_real_1): Likewise.
3244
3245 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3246
3247         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3248         reload dump is requested.
3249
3250 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3251
3252         PR other/51165
3253         * trans-mem.c (requires_barrier): Call may_be_aliased.
3254
3255 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3256
3257         PR tree-optimization/51877
3258         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3259         call arguments and fndecls compare equal, instead return false if they
3260         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3261         both SSA_NAMEs that are valueized the same, or they satisfy
3262         operand_equal_p.
3263
3264 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3265
3266         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3267         Solaris 11+.
3268         * configure: Regenerate.
3269
3270 2012-01-16  Jan Hubicka  <jh@suse.cz>
3271
3272         PR c/12245
3273         PR c++/14179
3274         * convert.c (convert_to_integer): Use fold_convert for
3275         converting an INTEGER_CST to integer type.
3276
3277 2012-01-16  Jason Merrill  <jason@redhat.com>
3278
3279         PR c++/14179
3280         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3281
3282 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3283
3284         PR bootstrap/51860
3285         * config/s390/s390.c (s390_chunkify_start): Don't skip
3286         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3287         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3288         If insn is followed by NOTE_INSN_VAR_LOCATION or
3289         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3290         Don't use location of note insns.
3291
3292         PR tree-optimization/51865
3293         * tree-inline.c (tree_function_versioning): Call remap_decl
3294         on DECL_RESULT whenever it has VOID_TYPE_P type.
3295
3296 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3297
3298         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3299         for calls to locally-binding MIPS16 functions if only the return
3300         type uses float regs.
3301
3302 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3303             Richard Sandiford  <rdsandiford@googlemail.com>
3304
3305         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3306         (SYMBOL_32_HIGH): Likewise.
3307         (mips_output_tls_reloc_directive): Declare.
3308         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3309         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3310         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3311         (mips_lo_relocs, mips_hi_relocs): Make extern.
3312         (mips16_stub_function): Move up file.
3313         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3314         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3315         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3316         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3317         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3318         (mips_get_tp): Add MIPS16 support.
3319         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3320         Generalize DTPREL and TPREL handling.
3321         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3322         Add MIPS16 TLS support.
3323         (mips_output_tls_reloc_directive): New function.
3324         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3325         * config/mips/predicates.md (symbolic_operand_with_high)
3326         (tls_reloc_operand): New predicates.
3327         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3328         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3329         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3330         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3331         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3332         (*tls_get_tp_mips16_call_<mode>): Likewise.
3333
3334 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3335
3336         PR rtl-optimization/51821
3337         * recog.c (peep2_find_free_register): Determine clobbered registers
3338         from insn pattern.
3339
3340 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3341
3342         PR target/50925
3343         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3344         * config/avr/avr.c: Likewise.
3345         * config/avr/avr.h: Likewise.
3346
3347 2012-01-13  Ian Lance Taylor  <iant@google.com>
3348
3349         PR c++/50012
3350         * tree.h (TYPE_QUALS): Add cast to int.
3351         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3352
3353 2012-01-13  Ian Lance Taylor  <iant@google.com>
3354
3355         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3356         comparing param_index to VEC_length result.
3357
3358 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3359
3360         * c-decl.c: Do not include tree-mudflap.h
3361         * tree-optimize.c: Likewise.
3362         * Makefile.in: Update dependencies.
3363
3364 2012-01-13  Richard Guenther  <rguenther@suse.de>
3365
3366         PR middle-end/8081
3367         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3368         variable-sized result always use RSO.
3369
3370 2012-01-12  DJ Delorie  <dj@redhat.com>
3371
3372         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3373         pointer type, not just the default pointer type.
3374
3375 2012-01-09  Richard Henderson  <rth@redhat.com>
3376             Denis Chertykov  <chertykov@gmail.com>
3377
3378         PR target/50925
3379         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3380         * config/avr/avr.c (avr_can_eliminate): Simplify.
3381         (avr_initial_elimination_offset): Likewise.
3382         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3383         (expand_epilogue): Likewise.
3384         (avr_legitimize_address): Gut.
3385         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3386         (avr_hard_regno_nregs): New.
3387         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3388         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3389         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3390         add soft frame pointer.
3391         (CALL_USED_REGISTERS): Likewise.
3392         (REG_CLASS_CONTENTS): Likewise.
3393         (REGISTER_NAMES): Likewise.
3394         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3395         (HARD_FRAME_POINTER_REGNUM): New.
3396         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3397         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3398         remove the HARD_FRAME_POINTER self-elimination.
3399
3400 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3401
3402         PR target/51756
3403         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3404         DECL_EXTERNAL when checking for initializers of progmem variables.
3405
3406 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3407
3408         PR tree-optimization/51799
3409         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3410         that the last operation is a type demotion.
3411
3412 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3413
3414         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3415         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3416
3417 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3418
3419         PR bootstrap/51796
3420         * combine.c (distribute_notes): If i3 is a noreturn call,
3421         allow old_size to be equal to args_size and make sure the
3422         noreturn call gets REG_ARGS_SIZE note.
3423         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3424         on noreturn calls even when the delta is 0.
3425
3426 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3427
3428         * gcov.c (STRING_SIZE): Remove.
3429         (generate_results): Erase annotations for source files with no
3430         coverage information.
3431         (read_line): New.
3432         (output_lines): Use it.
3433
3434 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3435
3436         * gimple.h (gimplify_body): Remove first argument.
3437         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3438         pointer set here, instead just pass DATA to walk_tree.
3439         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3440         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3441         (unvisit_body): Likewise, but with unmark_visited.
3442         (gimplify_body): Remove BODY_P argument and adjust.
3443         (gimplify_function_tree): Adjust call to gimplify_body.
3444         * omp-low.c (finalize_task_copyfn): Likewise.
3445
3446 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3447
3448         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3449         (build_function_type_skip_args): Delete.
3450         * tree.c (build_function_type_skip_args): Make static and add
3451         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3452         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3453         pass it to build_function_type_skip_args.
3454         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3455         (tree_function_versioning): Likewise.
3456         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3457         build_function_decl_skip_args.
3458         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3459         and pass it to build_function_decl_skip_args/tree_function_versioning.
3460         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3461         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3462         * trans-mem.c (ipa_tm_create_version): Likewise.
3463         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3464         * tree-inline.c (declare_return_variable): Remove always-true test.
3465         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3466         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3467         * ipa-split.c (split_function): Skip the return value for the split
3468         part if it doesn't return.
3469
3470 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3471
3472         PR tree-optimization/49642
3473         * ipa-split.c (forbidden_dominators): New variable.
3474         (check_forbidden_calls): New function.
3475         (dominated_by_forbidden): Likewise.
3476         (consider_split): Check for forbidden dominators.
3477         (execute_split_functions): Initialize and free forbidden
3478         dominators info; call check_forbidden_calls.
3479
3480 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3481
3482         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3483
3484 2012-01-11  Nick Clifton  <nickc@redhat.com>
3485
3486         * config/rx/rx.md (return): Define pattern.
3487
3488 2012-01-11  Richard Guenther  <rguenther@suse.de>
3489
3490         * doc/extend.texi (malloc attribute): Adjust according to
3491         implementation.
3492
3493 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3494             Patrick Marlier  <patrick.marlier@gmail.com>
3495
3496         PR middle-end/51516
3497         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3498         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3499         (ipa_tm_note_irrevocable): Same.
3500         (ipa_tm_scan_irr_block): Same.
3501         (ipa_tm_decrement_clone_counts): Same.
3502         (ipa_tm_scan_irr_function): Same.
3503         (ipa_tm_create_version_alias): Same.
3504         (ipa_tm_create_version): Same.
3505         (ipa_tm_transform_calls_redirect): Same.
3506         (ipa_tm_transform_calls): Same.
3507         (ipa_tm_transform_transaction): Same.
3508         (ipa_tm_execute): Same.
3509
3510 2012-01-10  Richard Guenther  <rguenther@suse.de>
3511
3512         PR middle-end/51806
3513         * opts.c (common_handle_option): Handle -Werror.
3514
3515 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3516