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PR c/52880
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-04-25  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c/52880
4         * c-typeck.c (set_nonincremental_init,
5         set_nonincremental_init_from_string): Pass true instead of false
6         as IMPLICIT to add_pending_init.
7
8 2012-04-24  Georg-Johann Lay  <avr@gjlay.de>
9
10         Backport from 2012-04-24 mainline r186768.
11
12         PR target/53065
13         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): New hook define.
14
15 2012-04-24  Richard Guenther  <rguenther@suse.de>
16
17         PR tree-optimization/53085
18         * tree-ssa-pre.c (eliminate): Do not eliminate volatile redundant
19         stores.
20
21 2012-04-24  Jakub Jelinek  <jakub@redhat.com>
22
23         PR middle-end/53084
24         * varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR
25         of MEM_REF.
26         (output_addressed_constants): Likewise.
27
28         PR middle-end/52999
29         * varasm.c (get_section): Don't ICE for section conflicts with
30         built-in section kinds.
31
32 2012-04-23  David Edelsohn  <dje.gcc@gmail.com>
33
34         * config/rs6000/sync.md (fetchop_name): Change ior attribute to "or".
35
36 2012-04-23  Georg-Johann Lay  <avr@gjlay.de>
37
38         * doc/extend.texi (AVR Named Address Spaces): Fix typos.
39
40 2012-04-23  Richard Guenther  <rguenther@suse.de>
41
42         PR c/53060
43         * c-typeck.c (build_binary_op): Fix typo.
44
45 2012-04-23  Jakub Jelinek  <jakub@redhat.com>
46
47         PR tree-optimizations/52891
48         * tree-vect-patterns.c (adjust_bool_pattern): Use
49         build_nonstandard_type even if rhs1 has unsigned INTEGER_TYPE,
50         but with non-standard precision.
51
52 2012-04-22  Ian Lance Taylor  <iant@google.com>
53
54         * godump.c (go_output_typedef): Dump size of structs.
55
56 2012-04-20  Ulrich Weigand  <ulrich.weigand@linaro.org>
57
58         Backport from mainline:
59
60         * config/arm/arm.c (arm_print_operand): Fix invalid alignment
61         hints for 'A' operand types.
62
63 2012-04-19  Georg-Johann Lay  <avr@gjlay.de>
64
65         Backport from 2012-04-19 mainline r186588.
66
67         PR target/53033
68         * config/avr/avr.c (avr_out_load_psi): Fix assembler template for
69         the case *(X+const).
70
71 2012-04-18  Uros Bizjak  <ubizjak@gmail.com>
72
73         * config/alpha/sync.md (fetchop_name): Change ior attribute to "or".
74
75 2012-04-17  Uros Bizjak  <ubizjak@gmail.com>
76
77         PR target/53020
78         * config/i386/sync.md (atomic_<code><mode>): Rename to
79         atomic_<logic><mode>.
80
81 2012-04-16  Uros Bizjak  <ubizjak@gmail.com>
82
83         Backport from mainline
84         2012-04-12  Uros Bizjak  <ubizjak@gmail.com>
85
86         PR target/52932
87         * config/i386/avx2intrin.h (_mm256_permutevar8x32_ps): Change second
88         argument type to __m256i.  Update call to __builtin_ia32_permvarsf256.
89         * config/i386/sse.md (avx2_permvarv8sf): Change operand 1 to V8SI.
90         (avx2_permvarv8sf, avx2_permvarv8si): Switch operands 1 and 2.
91         * config/i386/i386.c (bdesc_args) <__builtin_ia32_permvarsf256>:
92         Update builtin type to V8SF_FTYPE_V8SF_V8SI.
93         (ix86_expand_vec_perm): Update calls to gen_avx2_permvarv8si and
94         gen_avx2_permvarv8sf.
95
96 2012-04-16  Martin Jambor  <mjambor@suse.cz>
97
98         Backported from mainline
99
100         2012-04-13  Martin Jambor  <mjambor@suse.cz>
101         PR middle-end/52939
102
103         * gimple-fold.c (gimple_get_virt_method_for_binfo): Bail out if
104         fold_ctor_reference returns a zero constant.
105
106 2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
107
108         Backported from mainline
109         2012-04-13  H.J. Lu  <hongjiu.lu@intel.com>
110
111         * config/i386/i386-c.c (ix86_target_macros): Define _ILP32
112         and __ILP32__ for x32.
113
114 2012-04-13  Tom de Vries  <tom@codesourcery.com>
115
116         Backport from mainline r186418.
117
118         2012-04-13  Tom de Vries  <tom@codesourcery.com>
119
120         * tree-ssa-tail-merge.c (gsi_advance_bw_nondebug_nonlocal): Add
121         parameters vuse and vuse_escaped.
122         (find_duplicate): Init vuse1, vuse2 and vuse_escaped.  Pass to
123         gsi_advance_bw_nondebug_nonlocal.  Return if vuse_escaped and
124         vuse1 != vuse2.
125
126 2012-04-13  Richard Guenther  <rguenther@suse.de>
127
128         PR tree-optimization/52969
129         * tree-if-conv.c (predicate_mem_writes): Properly gimplify
130         the condition for the COND_EXPR and handle predicate negation
131         by swapping the COND_EXPR arms.
132
133 2012-04-13  Richard Guenther  <rguenther@suse.de>
134
135         PR c/52862
136         * convert.c (convert_to_pointer): Remove special-casing of
137         zero.
138
139 2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
140
141         Backport from mainline
142         2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
143
144         PR target/52775
145         * config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
146         the list of options to enable the FCFID instruction.
147         (TARGET_EXTRA_BUILTINS): Adjust comment.
148
149 2012-04-12  Richard Guenther  <rguenther@suse.de>
150
151         PR tree-optimization/52943
152         * tree-chrec.h (chrec_is_positive): Remove.
153         * tree-scalar-evolution.c (chrec_is_positive): Move ...
154         * tree-data-ref.c (chrec_is_positive): ... here.  Make static.
155         Return false for a constant zero instead of negative.
156         (analyze_siv_subscript_cst_affine): Handle zero difference
157         in the initial condition explicitely.
158
159 2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
160
161         PR middle-end/52894
162         * varasm.c (process_pending_assemble_externals): Set
163         pending_assemble_externals_processed true.
164         (assemble_external): Call assemble_external_real if the pending
165         assemble externals have been processed.
166
167 2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>
168
169         PR target/52717
170         * config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
171         the DECL generated for the special GOT helper.
172
173 2012-04-06  Walter Lee  <walt@tilera.com>
174
175         Backport from mainline
176         2012-03-07  Walter Lee  <walt@tilera.com>
177
178         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
179         REG_CFA_* notes for the stack pointer.
180         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
181         EH_RETURN_STACKADJ_RTX.
182         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
183         generate REG_CFA_* notes for the stack pointer.
184         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
185         by EH_RETURN_STACKADJ_RTX.
186
187 2012-04-06  Matt Turner  <mattst88@gmail.com>
188
189         * doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
190
191 2012-04-06  Eric Botcazou  <ebotcazou@adacore.com>
192
193         * config/ia64/ia64.c (ia64_load_pair_ok): Return 0 if the second member
194         of the destination isn't also a FP_REGS register.
195
196 2012-04-03  Richard Guenther  <rguenther@suse.de>
197
198         Backport from mainline
199         2012-03-02  Richard Guenther  <rguenther@suse.de>
200
201         PR tree-optimization/52406
202         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
203         (struct indices): Add unconstrained_base member.
204         (struct dr_alias): Remove unused vops member.
205         (DR_UNCONSTRAINED_BASE): New define.
206         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
207         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
208         be an artificial access that covers the whole indexed object,
209         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
210         plain decl base-objects to their MEM_REF variant.
211         (dr_may_alias_p): When the base-object of either data reference
212         has unknown size use only points-to information.
213         (compute_affine_dependence): Make dumps easier to read and
214         more verbose.
215         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
216         DR_REF when looking for packed references.
217         (vect_supportable_dr_alignment): Likewise.
218
219 2012-04-03  Richard Guenther  <rguenther@suse.de>
220
221         Backport from mainline
222         2012-03-15  Richard Guenther  <rguenther@suse.de>
223
224         PR middle-end/52580
225         * tree-data-ref.c (subscript_dependence_tester_1): Check
226         all dimensions for non-conflicting access functions.
227
228 2012-04-03  Richard Guenther  <rguenther@suse.de>
229
230         Backport from mainline
231         2012-03-06  Richard Guenther  <rguenther@suse.de>
232
233         PR middle-end/52493
234         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
235
236         2012-03-23  Richard Guenther  <rguenther@suse.de>
237
238         PR tree-optimization/52678
239         * tree-vectorizer.h (struct _stmt_vec_info): Add
240         loop_phi_evolution_part member.
241         (STMT_VINFO_LOOP_PHI_EVOLUTION_PART): New define.
242         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Initialize
243         STMT_VINFO_LOOP_PHI_EVOLUTION_PART.
244         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
245         Use the cached evolution part and the PHI nodes value from
246         the loop preheader edge instead of re-analyzing the evolution.
247
248         2012-03-26  Richard Guenther  <rguenther@suse.de>
249
250         PR tree-optimization/52701
251         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Always
252         compute and set the evolution part of PHI nodes.
253
254         2012-03-30  Richard Guenther  <rguenther@suse.de>
255
256         PR tree-optimization/52754
257         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
258         propagate arbitrary addresses into really plain dereferences.
259
260 2012-04-03  Jakub Jelinek  <jakub@redhat.com>
261
262         PR tree-optimization/52835
263         * tree-data-ref.c (build_rdg): Return NULL if
264         compute_data_dependences_for_loop failed.
265
266 2012-03-31  Eric Botcazou  <ebotcazou@adacore.com>
267
268         * tree-cfg.c (call_can_make_abnormal_goto): New predicate.
269         (stmt_can_make_abnormal_goto): Use it.
270         (is_ctrl_altering_stmt): Likewise.
271
272 2012-03-31  Martin Jambor  <mjambor@suse.cz>
273
274         Backported from mainline
275         2012-03-30  Martin Jambor  <mjambor@suse.cz>
276
277         * tree-ssa-ccp.c (insert_clobbers_for_var): Do not assert that there
278         is a builtin_stack_save in a dominating BB.
279
280 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
281
282         * config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
283         crossing 128bit lane boundary.
284
285 2012-03-29  Uros Bizjak  <ubizjak@gmail.com>
286
287         Backported from mainline
288         2012-03-27  Uros Bizjak  <ubizjak@gmail.com>
289
290         PR target/52698
291         * config/i386/i386-protos.h (ix86_legitimize_reload_address):
292         New prototype.
293         * config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
294         * config/i386/i386.c: Include reload.h.
295         (ix86_legitimize_reload_address): New function.
296
297 2012-03-28  Martin Jambor  <mjambor@suse.cz>
298
299         Backported from mainline
300         2012-03-27  Martin Jambor  <mjambor@suse.cz>
301
302         PR middle-end/52693
303         * tree-sra.c (sra_modify_assign): Do not call
304         load_assign_lhs_subreplacements when working with an unscalarizable
305         region.
306
307 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
308
309         PR middle-end/52691
310         * tree-ssa-ccp.c (optimize_stdarg_builtin): Optimize
311         __builtin_va_start to __builtin_next_arg if the latter is
312         builtin_decl_explicit_p rather than when it is not.
313
314         PR middle-end/52750
315         * tree-vect-generic.c (vector_element): Perform multiplication
316         for pos in bitsizetype type instead of idx type.
317
318 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
319
320         Backport from 2012-03-28 mainline r185910.
321
322         PR target/52692
323         * config/avr/avr.c (TARGET_BUILTIN_DECL): New define.
324         (avr_builtin_decl): New static function.
325         (struct avr_builtin_description, avr_bdesc): Move up.
326         Add GTY marker. Add field fndecl. Remove redundant field id.
327         (avr_init_builtins): Initialize avr_bdesc[ID].fndecl.
328         (avr_expand_builtin): Code cleanup because .id is removed.
329
330 2012-03-28  Aurelien Buhrig  <aurelien.buhrig.gcc@gmail.com>
331
332         PR middle-end/51893
333         * expmed.c (store_bit_field_1): Fix wordnum value for big-endian
334         targets.
335
336 2012-03-28  Georg-Johann Lay  <avr@gjlay.de>
337
338         Backport from 2012-03-28 mainline r185907.
339
340         PR target/52737
341         * config.gcc (tm_file): Remove avr/multilib.h.
342
343         * doc/invoke.texi (AVR Options): Adjust
344         documentation of -mtiny-stack.
345
346         * config/avr/genmultilib.awk: Remove code to generate multilib.h.
347         (BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
348         * config/avr/t-avr: Remove generation of multilib.h.
349         * config/avr/t-multilib: Regenerate.
350         * config/avr/multilib.h: Remove.
351         * config/avr/avr.opt (-msp8): New option.
352         (avr_sp8): New variable.
353         * config/avr/driver-avr.c (avr_device_to_sp8): New function.
354         * config/avr/avr.h (AVR_HAVE_SPH): New define.
355         (AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
356         (avr_device_to_sp8): New prototype.
357         (EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
358         (DRIVER_SELF_SPECS): New define.
359         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
360         __AVR_SP8__, __AVR_HAVE_SPH__.
361         * config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
362         AVR_HAVE_8BIT_SP to decide if SP_H is present.
363         (avr_file_start): Ditto.
364
365 2012-03-28  Jakub Jelinek  <jakub@redhat.com>
366
367         PR target/52736
368         * config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
369         instead of 8 in adjust_address.
370
371 2012-03-27  Eric Botcazou  <ebotcazou@adacore.com>
372
373         * expmed.c (store_bit_field): Assert that BITREGION_START is a multiple
374         of a unit before computing the offset in units.
375
376 2012-03-27  Richard Guenther  <rguenther@suse.de>
377
378         PR middle-end/52720
379         * fold-const.c (try_move_mult_to_index): Handle &x.array more
380         explicitely.
381
382 2012-03-24  Eric Botcazou  <ebotcazou@adacore.com>
383
384         PR target/52610
385         * config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=leon.
386
387 2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>
388
389         PR middle-end/52640
390         * varasm.c: Include pointer-set.h.
391         (pending_assemble_externals_set): New pointer set.
392         (process_pending_assemble_externals): Destroy the pointer set.
393         (assemble_external): See if decl is in pending_assemble_externals_set,
394         and add it to pending_assemble_externals if necessary.
395         (init_varasm_once): Allocate pending_assemble_externals_set.
396
397 2012-03-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
398
399         Backported from mainline
400         2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
401
402         PR target/50310
403         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
404         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
405         (vector_ltgt<mode>): Likewise.
406         (vector_ordered<mode>): Likewise.
407         (vector_unordered<mode>): Likewise.
408         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
409
410 2012-03-23  Joern Rennecke  <joern.rennecke@embecosm.com>
411
412         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
413         Make static.
414
415 2012-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
416
417         Backported from mainline
418         2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
419
420         PR target/48596
421         PR target/48806
422         * config/sh/sh.c (sh_register_move_cost): Increase cost between
423         GENERAL_REGS and FP_REGS for SImode.
424
425 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
426
427         PR middle-end/52547
428         * tree-nested.c (convert_tramp_reference_stmt): Call declare_vars
429         on any new_local_var_chain vars declared during recursing on
430         GIMPLE_OMP_PARALLEL or GIMPLE_OMP_TASK body.
431
432 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
433
434         Backport from 2012-03-22 mainline r185692.
435
436         PR target/52496
437         * config/avr/avr.md (unspec): Remove UNSPEC_MEMORY_BARRIER.
438         (unspecv): Add UNSPECV_MEMORY_BARRIER.
439         (cli_sei): Use unspec_volatile instead of unspec for memory barrier.
440         (delay_cycles_1, delay_cycles_2): Ditto.
441         (delay_cycles_3, delay_cycles_4): Ditto.
442         (nopv, *nopv): Ditto.
443         (sleep, *sleep): Ditto.
444         (wdr, *wdr): Ditto.
445
446         Backport from 2012-03-21 mainline r185605.
447
448         PR rtl-optimization/52543
449         PR target/52461
450         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
451         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
452         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
453         (avr_load_libgcc_p): Restrict to __flash loads.
454         (avr_out_lpm): Only handle 1-byte loads from __flash.
455         (avr_load_lpm): New function.
456         (avr_find_unused_d_reg): Remove.
457         (avr_out_lpm_no_lpmx): Remove.
458         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
459         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
460         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
461         (load_<mode>, load_<mode>_clobber): New insns.
462         (mov<mode>): For multi-byte move from non-generic
463         16-bit address spaces: Expand to load_<mode> resp.
464         load_<mode>_clobber.
465         (load<mode>_libgcc): Remove expander.
466         (split-lpmx): Remove split.
467
468         Backport from 2012-03-13 mainline r185329.
469
470         PR target/52488
471         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
472         offset (size) to a value the insns can deal with.
473         (expand_epilogue): Ditto.
474
475         Backport from 2012-03-12 mainline r185256.
476
477         PR target/52499
478         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
479         type from reg_class_t to enum reg_class.
480         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
481
482         Backport from 2012-03-12 mainline r185253.
483
484         PR target/52148
485         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
486         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
487         r184615 from 2012-02-28.
488
489         Backport from 2012-03-08 mainline r185105.
490
491         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
492         for constants in [-63,63].
493
494         Backport from 2012-03-08 mainline r185100.
495
496         PR target/52496
497         * config/avr/avr.c (avr_mem_clobber): New static function.
498         (avr_expand_delay_cycles): Add memory clobber operand to
499         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
500         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
501         (enable_interrupt, disable_interrupt): New expander.
502         (nopv, sleep, wdr): New expanders.
503         (delay_cycles_1): Add memory clobber.
504         (delay_cycles_2): Add memory clobber.
505         (delay_cycles_3): Add memory clobber.
506         (delay_cycles_4): Add memory clobber.
507         (cli_sei): New insn from former "enable_interrupt",
508         "disable_interrupt" with memory clobber.
509         (*wdt): New insn from former "wdt" with memory clobber.
510         (*nopv): Similar, but for "nopv".
511         (*sleep): Similar, but for "sleep".
512
513         Backport from 2012-03-07 mainline r185043.
514
515         PR target/52484
516         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
517
518         Backport from 2012-03-07 mainline r185032.
519
520         PR target/52506
521         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
522         to: RAMPZ, RAMPY, RAMPX, RAMPD.
523         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
524
525         Backport from 2012-03-07 mainline r185031.
526
527         PR target/52505
528         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
529         from RAM.
530         * config/avr/avr.md (xload_8): Adjust insn length.
531
532         Backport from 2012-03-07 mainline r185030.
533
534         PR target/52461
535         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
536         if RAMPZ affects reading from RAM.
537
538         Backport from 2012-03-05 mainline r184919.
539
540         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
541
542 2012-03-22  Georg-Johann Lay  <avr@gjlay.de>
543
544         Backport from mainline r185259.
545
546         PR other/52545
547         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
548         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
549
550 2012-03-22  Jakub Jelinek  <jakub@redhat.com>
551
552         Backported from mainline
553         2012-03-13  Jakub Jelinek  <jakub@redhat.com>
554
555         PR c/52577
556         * c-parser.c (c_parser_postfix_expression)
557         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
558
559         * config/i386/smmintrin.h: Avoid /* within a comment.
560         * config/i386/nmmintrin.h: Likewise.
561
562 2012-03-22  Richard Guenther  <rguenther@suse.de>
563
564         * BASE-VER: Set to 4.7.1.
565         * DEV-PHASE: Set to prerelease.
566
567 2012-03-22  Release Manager
568
569         * GCC 4.7.0 released.
570
571 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
572
573         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
574
575 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
576             Andrew Pinski  <apinski@cavium.com>
577
578         PR middle-end/52592
579         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
580         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
581         calls instead of __builtin_ir{int,ound}*.
582
583 2012-03-14  Jakub Jelinek  <jakub@redhat.com>
584
585         PR c++/52582
586         * config/rs6000/rs6000.c (call_ABI_of_interest): Return true
587         if c_node is NULL.
588
589 2012-03-13  Joseph Myers  <joseph@codesourcery.com>
590
591         * doc/invoke.texi (-std=c99), doc/standards.texi (C language):
592         Refer to GCC 4.7 version of c99status.html.
593
594 2012-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
595
596         Backport from mainline
597         2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
598
599         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
600         redefine to be NULL if the current bit-size is different from the
601         configured bit-size.
602
603         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
604         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
605         set the default tuning.  Add asserts to make sure the cpu and tune
606         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
607         test whether the index is set, instead of > 0.
608         (rs6000_file_start): Do not reset the default cpu if the current
609         bit-size is different from the configured bit-size.
610
611 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
612
613         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
614         binutils reference.
615         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
616         Update binutils references.
617         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
618         Update binutils reference.
619         Update Sun as/GNU ld caveat.
620         Document binutils largefile requirement for LTO plugin.
621         Remove reference to alternate libpthread.
622
623 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
624
625         * doc/install.texi (Specific, alpha*-dec-osf5.1): Update binutils
626         reference.
627         (Specific, mips-sgi-irix6): Likewise.
628
629 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
630
631         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
632         * configure: Regenerate.
633
634 2012-03-07  Richard Henderson  <rth@redhat.com>
635
636         * config/m68k/m68k.h (ISA_HAS_TAS): New.
637         * config/m68k/sync.md (atomic_test_and_set): Use it.
638         (atomic_test_and_set_1): Likewise.
639
640 2012-03-07  Ralf Cors├ępius  <ralf.corsepius@rtems.org>
641
642         PR target/51417
643         * Makefile.in: Let install-gcc-ar depend on installdirs,
644         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
645         Don't double canonicalize if cross-compiling.
646
647 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
648
649         * trans-mem.c: New typedef for tm_region_p.
650         Define vector types for tm_region_p.
651         (tm_region_init): Replace region_worklist to a vector called
652         bb_regions.
653
654 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
655
656         PR middle-end/52463
657         * trans-mem.c (tm_region_init): Use last_basic_block.
658
659 2012-03-05  Richard Henderson  <rth@redhat.com>
660
661         PR tree-opt/52242
662         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
663         * omp-low.c (expand_omp_atomic): Assume anything aligned to
664         BIGGEST_ALIGNMENT is aligned.
665
666 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
667
668         * config/sh/sh.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
669
670 2012-03-05  Richard Henderson  <rth@redhat.com>
671
672         PR target/52481
673         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
674         instead of calling negqi2 directly.
675
676 2012-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
677
678         * config/mips/iris6.h [!USED_FOR_TARGET] (long_intmax): Declare.
679         (INTMAX_TYPE): Use it.
680         (UINTMAX_TYPE): Likewise.
681         (SUBTARGET_OVERRIDE_OPTIONS): Define.
682         (irix6_c_common_override_options): Declare.
683         (C_COMMON_OVERRIDE_OPTIONS): Define.
684         * config/mips/mips.c [TARGET_IRIX6] (long_intmax): Define.
685         * config/mips/irix6-c.c: New file.
686         * config/mips/t-irix6 (irix6-c.o): New target.
687         * config.gcc (mips-sgi-irix6.5): Set c_target_objs,
688         cxx_target_objs.
689
690 2012-03-02  Richard Henderson  <rth@redhat.com>
691
692         * optabs.c (expand_atomic_test_and_set): Honor
693         atomic_test_and_set_trueval even when atomic_test_and_set
694         optab is not in use.
695
696 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
697
698         Backport from mainline
699         2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
700
701         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
702
703 2012-03-02  Richard Guenther  <rguenther@suse.de>
704
705         * DEV-PHASE: Set to prerelease.
706
707 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
708
709         * config.gcc (obsolete): Add all ARM targets using the FPA.
710         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
711         * doc/install.texi: Avoid references to obsolete ARM ports.
712
713 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
714
715         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
716
717 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
718             Joern Rennecke  <joern.rennecke@embecosm.com>
719
720         * doc/extend.texi: Expand and update information on interrupt
721         attribute for Epiphany.
722
723 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
724
725         * config/sh/sh-protos.h: Update copyright notice dates.
726         * config/sh/sh.h: Likewise.
727         * config/sh/sh.md: Likewise.
728         * config/sh/constraints.md: Likewise.
729         * config/sh/predicates.md: Likewise.
730
731 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
732
733         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
734         * config/sh/sh.c (tertiary_reload_operand): Likewise.
735
736 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
737
738         * config/sh/constraints.md: Fix comment typo.
739
740 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
741
742         PR target/52408
743         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
744         unsigned HOST_WIDE_INT.
745         (zvdep_imm64): Likewise.
746         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
747         (vdepi_and): Likewise.
748         Likewise for unamed 64-bit patterns.
749         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
750
751 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
752
753         PR debug/52001
754         PR rtl-optimization/52417
755         * cselib.c (cselib_any_perm_equivs): New variable.
756         (cselib_reset_table): Check that it's not set when not
757         preserving constants.
758         (cselib_add_permanent_equiv): Set it.
759         (cselib_have_permanent_equivalences): New.
760         (cselib_init, cselib_finish): Reset it.
761         * cselib.h (cselib_have_permanent_equivalences): Declare.
762         * alias.c (get_addr): Restore earlier behavior when there
763         aren't permanent equivalences.
764
765 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
766
767         * config/mn10300/mn10300-modes.def: Fix copyright notice.
768         * config/v850/v850-modes.def: Fix copyright notice.
769
770 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
771
772         * doc/extend.texi (AVR Built-in Functions): Document
773         __builtin_avr_flash_segment.
774
775         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
776         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
777         (*split.flash_segment): New insn-and-split.
778         * config/avr/avr.c (avr_init_builtins): Add local variables:
779         const_memx_void_node, const_memx_ptr_type_node,
780         char_ftype_const_memx_ptr.
781
782 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
783
784         PR tree-optimization/52445
785         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
786         add ssa_name_ver, offset and size fields and change store field
787         to bool.
788         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
789         (add_or_mark_expr): Likewise.  Only consider previous stores
790         with the same size and offset.
791         (nt_init_block): Only look at gimple_assign_single_p stmts,
792         doesn't look at rhs2.
793
794 2012-03-01  Richard Guenther  <rguenther@suse.de>
795
796         PR middle-end/52443
797         * tree-cfg.c (verify_gimple_assign_unary): Allow any
798         conversions from integral types to pointer types.
799
800 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
801
802         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
803         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
804         unintentionally removed in r184616.
805
806 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
807
808         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
809         3DNow from bdver1.
810
811 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
812             Uros Bizjak  <ubizjak@gmail.com>
813
814         PR target/52437
815         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
816         alternatives, add "e" constraint to the new last alternative
817         and ! to last 3 alternatives.
818
819 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
820
821         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
822         DW_AT_artificial attributes at the end of the processing.
823         (gen_array_type_die): Likewise.
824         (gen_enumeration_type_die): Likewise.
825         (gen_struct_or_union_type_die): Likewise.
826         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
827         the parent type.
828
829 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
830
831         PR middle-end/52419
832         * expr.c (expand_assignment): If doing misaligned store that doesn't
833         cover all mode bits, perform a RMW cycle.
834
835         PR tree-optimization/52429
836         * tree-parloops.c (separate_decls_in_region_debug): Return early
837         if var is LABEL_DECL.
838
839 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
840
841         PR tree-optimization/52424
842         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
843         calling dom_thread_across_edge.
844
845 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
846
847         * config/avr/avr.c: Move definition of TARGET macros to end of file.
848
849 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
850
851         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
852         * config/avr/avr.c (avr_output_bld): Remove unused function.
853         (avr_out_sbxx_branch): Use "%T" to print bit position.
854
855 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
856
857         * config/avr/avr.md: Untabify.
858
859 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
860
861         * config/avr/avr.md (eqne): New code iterator.
862         (*dec-and-branchsi): Use it in text peephole's condition.
863         (*dec-and-branchhi): Ditto.
864         (*dec-and-branchqi): Ditto.
865
866 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
867
868         PR target/49939
869         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
870         the device does not have the skip-bug.
871
872 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
873
874         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
875         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
876         -mpretend-cmove): New.
877
878 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
879
880         PR bootstrap/52397
881         * df.h (struct df_d): Adjust comment that hard_regs_live_count
882         doesn't count DEBUG_INSN refs.
883         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
884         for DEBUG_INSN refs.
885
886 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
887
888         Partially revert:
889
890         2012-02-20  Richard Guenther  <rguenther@suse.de>
891         PR tree-optimization/52298
892         * tree-vect-stmts.c (vectorizable_load): Properly use
893         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
894         outer loops.
895
896 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
897
898         PR middle-end/51752
899         * gimple.h (gimple_in_transaction): New.
900         (gimple_set_in_transaction): New.
901         (struct gimple_statement_base): Add in_transaction field.
902         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
903         transaction loads.
904         (tree_ssa_lim_initialize): Compute transaction bits.
905         * tree.h (compute_transaction_bits): Protoize.
906         * trans-mem.c (tm_region_init): Use the heap to store BB
907         auxilliary data.
908         (compute_transaction_bits): New.
909
910 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
911
912         * gcc.c (display_help): Document --help=common and sort entries
913         alphabetically.
914
915 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
916
917         * doc/install.texi: Document check-$LANG specific shortcuts
918
919 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
920
921         PR target/51534
922         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
923         and vcgtu.
924         * config/arm/arm_neon.h: Regenerate.
925         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
926         (neon_vcgeu): New insn.
927         (neon_vcgtu): Likewise.
928         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
929         (ops): Unsigned comparison intrinsics call a different
930         builtin.
931
932 2012-02-28  Richard Guenther  <rguenther@suse.de>
933
934         PR target/52407
935         * config/i386/i386.c (ix86_expand_vector_set): Fix element
936         ordering for the VEC_CONCAT for two element vectors for
937         V2SFmode, V2SImode and V2DImode.
938
939 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
940
941         PR target/49448
942         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
943         detecting big-endian triplets.
944
945 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
946
947         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
948         mode if there is no type information available.
949
950 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
951
952         PR tree-optimization/53207
953         * doc/invoke.texi: Document as experimental and relying on graphite.
954
955 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
956
957         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
958         of initializer to changes from r184614.
959
960 2012-02-28  Richard Guenther  <rguenther@suse.de>
961
962         PR tree-optimization/52395
963         * tree-sra.c (build_ref_for_offset): Also look at the base
964         TYPE_ALIGN when figuring out the alignment of the replacement.
965
966 2012-02-28  Richard Guenther  <rguenther@suse.de>
967
968         PR tree-optimization/52402
969         * ipa-prop.c (ipa_modify_call_arguments): Properly use
970         mis-aligned types when creating the accesses at the call site.
971
972 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
973
974         * config/avr/builtins.def: New file.
975         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
976         * config/avr/avr.c (enum avr_builtin_id): Use it.
977         (avr_init_builtins): Use it. And use avr_bdesc.
978         (bdesc_1arg): Remove.
979         (bdesc_2arg): Remove.
980         (bdesc_3arg): Remove.
981         (struct avr_builtin_description): Add field n_args.
982         (avr_bdesc): New static variable using builtins.def.
983         (avr_expand_builtin): Use it.
984         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
985         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
986         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
987
988 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
989
990         PR target/52148
991         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
992         match only one single hard register with respective hard reg rtx.
993         (movmemx_<mode>): Ditto.
994         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
995         insn anatomy of movmem[x]_<mode>.
996         (avr_out_movmem): Same for printing assembler and operand usage.
997
998 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
999
1000         PR target/49868
1001         PR target/52261
1002         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
1003         address spaces located outside of device flash.
1004
1005         * config/avr/avr.h (base_arch_s): Remove field n_segments.
1006         (mcu_type_s): Add field n_flash.
1007         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
1008         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
1009         (AVR_MCU): Add N_FLASH argument.
1010         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
1011         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
1012         macro __FLASH<n> if that address space makes sense for the device.
1013         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
1014         outside of target flash.
1015         (avr_asm_named_section): Ditto.
1016         (avr_asm_select_section): Ditto.
1017         (avr_addr_space_convert): Ditto.
1018         (avr_emit_movmemhi): Ditto.
1019         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
1020         address space is outside of device flash.
1021         (avr_insert_attributes): Ditto.
1022         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
1023         avr_current_arch->n_segments.
1024
1025 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
1026
1027         PR target/52352
1028         * config/i386/i386.md (*movabs<mode>_1): Enable only for
1029         TARGET_LP64.
1030         (*movabs<mode>_2): Likewise.
1031
1032 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
1033
1034         PR target/52375
1035         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
1036         s_register_operand in the test instead of REG_P.  Don't call
1037         gen_reg_rtx if it won't be used.
1038
1039         PR tree-optimization/52376
1040         * ipa-split.c (split_function): Ignore CLOBBER stmts.
1041
1042 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
1043
1044         * ifcvt.c (noce_get_condition): Check condition variable is not
1045         small_register_classes_for_mode_p before accepting.
1046
1047 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
1048
1049         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
1050
1051 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1052
1053         Revert:
1054         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1055         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1056         tuning parameters.
1057         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1058
1059 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
1060
1061         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
1062
1063 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
1064
1065         * config/sh/predicates.md: Remove blank lines.
1066         * config/sh/sh.c: Fix typos in comments.
1067         * config/sh/constraints.md: Likewise.
1068         * config/sh/sh.md: Remove blank lines.
1069         Fix typos in comments.  Use ;; as comment characters.
1070
1071 2012-02-26  Walter Lee  <walt@tilera.com>
1072
1073         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
1074         (replace_mov_pcrel_step2): Ditto.
1075
1076 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
1077
1078         PR debug/52001
1079         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
1080         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
1081         and locs that reference values newer than the non-canonical value
1082         at hand.  Return the canonical value as a worst case.
1083         (memrefs_conflict_p): Walk canonical value's locs.
1084
1085         PR debug/52001
1086         * cselib.c (preserve_only_constants): Rename to...
1087         (preserve_constants_and_equivs): ... this.  Split out...
1088         (invariant_or_equiv_p): ... this.  Preserve plus expressions
1089         of other preserved expressions too.
1090         (cselib_reset_table): Adjust.
1091         * var-tracking.c (reverse_op): Use canonical value to build
1092         reverse operation.
1093
1094 2012-02-23  Kai Tietz  <ktietz@redhat.com>
1095
1096         * config/i386/i386.c (ix86_delegitimize_address): Handle
1097         UNSPEC_PCREL plus displacement.
1098
1099 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
1100
1101         PR target/52261
1102         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
1103         to test for unusedness in st X addressing.
1104
1105 2012-02-24  Richard Guenther  <rguenther@suse.de>
1106
1107         PR middle-end/52361
1108         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
1109         (is_gimple_reg_type): Move inline ...
1110         * gimple.h (is_gimple_reg_type): ... here.
1111
1112 2012-02-24  Richard Guenther  <rguenther@suse.de>
1113
1114         PR middle-end/52361
1115         * passes.c (execute_function_todo): When verifying SSA form
1116         verify gimple form first.
1117         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
1118
1119 2012-02-24  Richard Guenther  <rguenther@suse.de>
1120
1121         PR middle-end/52355
1122         * fold-const.c (fold_addr_of_array_ref_difference): New function.
1123         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
1124
1125 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1126
1127         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
1128
1129 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1130
1131         * tree-phinodes.c (make_phi_node): Mark static.
1132         * tree-flow.h (make_phi_node): Remove extern decl.
1133         * doc/gimple.texi (make_phi_node): Remove documentation.
1134
1135 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1136
1137         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
1138         * tree-ssa-sccvn.c (print_scc): Ditto.
1139
1140 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1141
1142         * doc/passes.texi (Full redundancy elimination): Fix typo.
1143
1144 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1145
1146         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
1147
1148 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
1149
1150         PR bootstrap/52287
1151         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
1152
1153 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
1154
1155         PR c/52290
1156         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
1157
1158 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
1159
1160         * config/avr/avr.md (code_stdname): Add ior, xor.
1161         (xior): New code iterator.
1162         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
1163         (*<code_stdname><mode>qi.byte1-3): Ditto.
1164
1165 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
1166
1167         PR tree-optimization/52019
1168         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
1169         CLOBBER stmts.
1170
1171 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1172
1173         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
1174         HAVE_INITFINI_ARRAY to work around namespace pollution in
1175         certain versions of newlib system headers.
1176         * config.in: Regenerate.
1177         * configure: Regenerate.
1178         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
1179         instead of HAVE_INITFINI_ARRAY.
1180
1181 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
1182
1183         PR target/52330
1184         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
1185         is not offsettable memory reference.
1186
1187 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1188
1189         PR target/18145
1190         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
1191         setting avr_need_clear_bss_p for __gnu_lto* symbols.
1192
1193 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1194
1195         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
1196         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
1197
1198 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1199
1200         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
1201         library on Solaris 8 even without TLS support.
1202         * configure: Regenerate.
1203
1204 2012-02-22  Richard Guenther  <rguenther@suse.de>
1205
1206         PR middle-end/52329
1207         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
1208         for GIMPLE_DEBUG stmts.
1209
1210 2012-02-22  Martin Jambor  <mjambor@suse.cz>
1211
1212         PR middle-end/51782
1213         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
1214         according to the base object.
1215
1216 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
1217
1218         PR rtl-optimization/50063
1219         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
1220         and 2 (8-bit SP) in operand 2.
1221         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
1222         setup to use movhi_sp_r instead of vanilla move to write SP.
1223         Adjust REG_CFA notes to superseed unspec.
1224         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
1225         of vanilla move.
1226         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
1227         known to be off) only with TARGET_NO_INTERRUPTS. Never use
1228         irq_state 1 (IRQ known to be on) here.
1229
1230 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
1231
1232         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
1233         WORDS_BIG_ENDIAN.
1234         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
1235         assign_hard_reg): Likewise.
1236
1237 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1238
1239         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
1240
1241 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1242
1243         * config/avr/avr.md
1244         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
1245         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
1246
1247 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
1248
1249         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
1250         prototype from here to...
1251         * config/avr/avr.h: ...here.
1252
1253 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
1254
1255         PR target/52294
1256         * thumb2.md (thumb2_shiftsi3_short): Split register and
1257         immediate shifts.  For register shifts tie operands 0 and 1.
1258         (peephole2 for above): Check that register-controlled shifts
1259         have suitably tied operands.
1260
1261 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
1262
1263         PR target/52137
1264         * config/i386/bdver1.md (bdver1_call, bdver1_push,
1265         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
1266         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
1267         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
1268         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
1269         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
1270         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
1271         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
1272         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
1273         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
1274         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
1275         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
1276         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
1277         bdver1_ssevector_avx256_unaligned_load,
1278         bdver1_ssevector_sse128_unaligned_load,
1279         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
1280         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
1281         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
1282         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
1283         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
1284         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
1285         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
1286         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
1287         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
1288         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
1289         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
1290         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
1291         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
1292         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
1293         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
1294         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
1295         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
1296         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
1297         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
1298         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
1299         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
1300         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
1301         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
1302         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
1303         bdver1_ssediv_double_load, bdver1_ssediv_double,
1304         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
1305         Add "bdver2" attribute.
1306
1307 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1308
1309         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
1310         default if possible and not specified otherwise.
1311
1312 2012-02-21  Richard Guenther  <rguenther@suse.de>
1313
1314         PR middle-end/52314
1315         * gimplify.c (create_tmp_from_val): Use the main variant type
1316         for the type of the temporary we create.
1317
1318 2012-02-21  Richard Guenther  <rguenther@suse.de>
1319
1320         PR tree-optimization/52324
1321         * gimplify.c (gimplify_expr): When re-gimplifying expressions
1322         do not gimplify a MEM_REF address operand if it is already
1323         in suitable form.
1324
1325 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1326
1327         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
1328         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
1329
1330 2012-02-21  Richard Guenther  <rguenther@suse.de>
1331
1332         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
1333         nested_in_vect_loop.
1334
1335 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
1336
1337         PR tree-optimization/52318
1338         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
1339         vdef also to non-pure/const call stmts in the sequence.
1340
1341 2012-02-20  David S. Miller  <davem@davemloft.net>
1342
1343         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
1344         don't use the "rd %pc" instruction on v9 for PIC register loads.
1345
1346 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
1347
1348         PR middle-end/52141
1349         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
1350         in a transaction safe function.
1351
1352 2012-02-20  Kai Tietz  <ktietz@redhat.com>
1353
1354         PR target/52238
1355         * stor-layout.c (place_field): Handle desired_align for
1356         ms-bitfields, too.
1357
1358 2012-02-20  Richard Guenther  <rguenther@suse.de>
1359
1360         PR tree-optimization/52298
1361         * tree-vect-stmts.c (vectorizable_store): Properly use
1362         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
1363         outer loops.
1364         (vectorizable_load): Likewise.
1365         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
1366         Access DR_STEP after ensuring it is not NULL.
1367
1368 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
1369
1370         PR tree-optimization/52286
1371         * fold-const.c (fold_binary_loc): For (X & C1) | C2
1372         optimization use double_int_to_tree instead of build_int_cst_wide,
1373         rewrite to use double_int vars.
1374
1375 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1376
1377         PR target/50166
1378         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
1379         Define _start.
1380         Remove -e 0 from $gcc_cv_ld invocation.
1381         Only use __GLIBC_PREREQ if defined.
1382         Enable on Solaris since Solaris 8 patch.
1383         (gcc_SUN_LD_VERSION): New macro.
1384         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
1385         gcc_SUN_LD_VERSION for version number format.
1386         * configure: Regenerate.
1387         * varasm.c (get_elf_initfini_array_priority_section): Set
1388         SECTION_NOTYPE for non-default priority.
1389         Use get_section instead of get_unnamed_section to emit
1390         .init_array/.fini_array with default priority.
1391
1392 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1393
1394         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
1395         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
1396         (mips_start_unique_function, mips_output_mips16_rdhwr)
1397         (mips_code_end): New functions.
1398         (TARGET_ASM_CODE_END): Define.
1399
1400 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
1401
1402         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
1403         to stubs with non-sibling calls.
1404
1405 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1406
1407         * doc/invoke.texi (-fira-* options): Copy-edit.
1408         (ira-* parameters): Copy-edit.
1409
1410 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1411
1412         * doc/invoke.texi: Minor copy-edits to bring into conformance with
1413         GCC coding conventions.
1414
1415 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
1416
1417         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
1418         when used as adjectives.
1419
1420 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
1421
1422         * doc/invoke.texi: Clean up "that"/"which" confusion.
1423
1424 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
1425
1426         * system.h: Poison SMALL_REGISTER_CLASSES
1427         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
1428         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
1429
1430 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1431
1432         PR tree-optimization/52285
1433         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
1434         when deciding if a call is a tail call or tail recursion.
1435
1436 2012-02-16  Kai Tietz  <ktietz@redhat.com>
1437
1438         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
1439         interger-constant displacement for UNSPEC_PCREL.
1440
1441 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1442
1443         PR rtl-optimization/52208
1444         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
1445         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
1446
1447         PR tree-optimization/52255
1448         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
1449         loop->header has virtual PHI, but exit_e->dest doesn't, add
1450         virtual PHI to exit_e->dest and adjust all uses after the loop.
1451
1452         PR debug/52260
1453         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
1454         children with clone_tree_hash, not after it.
1455
1456 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
1457
1458         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
1459         extended identifiers.
1460
1461 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
1462
1463         PR middle-end/51929
1464         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
1465         a same_body_alias, also test whether e->callee isn't a former
1466         or current clone of the decl this is a same body alias of.
1467
1468         PR translation/52264
1469         * cgraphunit.c (verify_cgraph_node): Fix a typo.
1470
1471 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1472
1473         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
1474
1475 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1476
1477         PR target/52199
1478         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
1479         force_reg instead of copy_to_reg for better optimization.  Force
1480         non-register or memory operands into a register.
1481
1482 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
1483
1484         * extend.texi: Reserve upper bits of memory model for future use.
1485
1486 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
1487             Anatoly Sokolov <aesok@post.ru>
1488             Eric Weddington <eric.weddington@atmel.com>
1489
1490         PR target/52261
1491         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
1492         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
1493         Rewrite initializers for .macro.
1494         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
1495         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
1496         atxmega32d4, atxmega32x1.
1497         avrxmega4: atxmega64a3, atxmega64d3.
1498         avrxmega5: atxmega64a1, atxmega64a1u.
1499         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
1500         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
1501         avrxmega7: atxmega128a1, atxmega128a1u.
1502         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
1503         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
1504         (struct base_arch_s): Rename reserved to xmega_p.
1505         Rename reserved2 to have_rampd.
1506         (AVR_XMEGA): New define.
1507         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
1508         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
1509         * config/avr/predicates.md (io_address_operand): Take into
1510         account SFR offset.
1511         (low_io_address_operand): Ditto.
1512         (high_io_address_operand): Ditto.
1513         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
1514         (enabled, movhi_sp_r): Use them.
1515         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
1516         cpp_define_formatted to built-in define __AVR_ARCH__.
1517         (__AVR_XMEGA__): New built-in define.
1518         (__AVR_HAVE_RAMPD__): New built-in define.
1519         (__AVR_HAVE_RAMPX__): New built-in define.
1520         (__AVR_HAVE_RAMPY__): New built-in define.
1521         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
1522
1523         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
1524         (avr_option_override): Initialize them.
1525         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
1526         (avr_init_expanders): Initialize them. No more block several calls.
1527         (emit_push_sfr): New static function.
1528         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
1529         Handle AVR_XMEGA.
1530         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
1531         (avr_print_operand): Print addreeses as symbols for
1532         RAMPX, RAMPY, RAMPD, CCP.
1533         (output_movhi): Handle AVR_XMEGA when writing to SP.
1534         (avr_out_movhi_mr_r_xmega): New static function.
1535         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
1536         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
1537         __RAMPD__,  __CCP__ as needed.
1538
1539         * config/avr/multilib.h: Regenerate.
1540         * config/avr/t-multilib: Regenerate.
1541         * config/avr/avr-tables.opt: Regenerate.
1542
1543 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
1544
1545         PR tree-optimization/50561
1546         * graphite-flattening.c (lst_project_loop): Do not
1547         remove old scattering dimensions after flattening.
1548         (lst_do_flatten): Likewise.
1549
1550 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
1551
1552         * doc/extend.texi (AVR Built-in Functions): Remove doc for
1553         __builtin_avr_map8, __builtin_avr_map16.
1554         Document __builtin_avr_insert_bits.
1555
1556         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
1557         (insert_bits): New insn.
1558         (adjust_len.map_bits): Rename to insert_bits.
1559         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
1560         * avr-protos.h (avr_out_map_bits): Remove.
1561         (avr_out_insert_bits, avr_has_nibble_0xf): New.
1562         * config/avr/constraints.md (Cxf,C0f): New.
1563         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
1564         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1565         New built-in define __BUILTIN_AVR_INSERT_BITS.
1566         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
1567         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
1568         (avr_move_bits): Rewrite.
1569         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
1570         functions.
1571         (avr_map_op_t): New typedef.
1572         (avr_map_op): New static variable.
1573         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
1574         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
1575         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
1576         (bdesc_3arg, avr_expand_triop_builtin): New.
1577         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
1578         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
1579         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
1580         (avr_map_equal_p, avr_map_sig_p): Remove.
1581         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
1582         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1583         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
1584         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1585         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
1586         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1587
1588 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1589
1590         * config/c6x/c6x.md (reserve_cycles): New attribute.
1591         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
1592         don't reserve functional units after the branch occurs.
1593
1594 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
1595
1596         PR middle-end/52142
1597         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
1598         functions into non-tm_pure functions.
1599
1600 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1601
1602         PR lto/52178
1603         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
1604         (iterative_hash_canonical_type): Likewise.
1605         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
1606         the dead edges.
1607
1608 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
1609
1610         * haifa-sched.c (prune_ready_list): Ensure that if there is a
1611         sched-group insn, it either remains alone or the entire list is pruned.
1612
1613 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1614
1615         * doc/install.texi (Prerequisites): Fix grammar.
1616         (Configuration): Likewise.
1617
1618 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
1619
1620         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
1621         MPC as part of GCC before describing configuring with --with-gmp etc.
1622         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
1623         sources are present.
1624
1625 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1626
1627         PR debug/51950
1628         * dwarf2out.c (clone_tree_hash): New function.
1629         (copy_decls_walk): Use it instead of clone_tree.
1630
1631 2012-02-14  Richard Guenther  <rguenther@suse.de>
1632
1633         PR tree-optimization/52244
1634         PR tree-optimization/51528
1635         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
1636         replacements for integral types.
1637
1638 2012-02-14  Walter Lee  <walt@tilera.com>
1639
1640         * config.gcc: Handle tilegx and tilepro.
1641         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
1642         tilegx and tilepro.
1643         Add HAVE_AS_TLS check for tilegx and tilepro.
1644         * configure: Regenerate.
1645         * doc/contrib.texi: Add Mat Hostetter and self.
1646         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
1647         Document instruction intrinsics and network accessing intrinsics.
1648         (TILEPro Built-in Functions): New node.  Document instruction
1649         intrinsics and network accessing intrinsics.
1650         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
1651         (Specific, tilepro-*-linux*): Likewise.
1652         * doc/invoke.texi (TILE-Gx Options): New section.
1653         (TILEPro Options): New section.
1654         * doc/md.texi (TILE-Gx): New section.
1655         (TILEPro): New section.
1656         * common/config/tilegx/tilegx-common.c: New file.
1657         * common/config/tilepro/tilepro-common.c: New file.
1658         * config/tilegx/constraints.md: New file.
1659         * config/tilegx/linux.h: New file.
1660         * config/tilegx/mul-tables.c: New file.
1661         * config/tilegx/predicates.md: New file.
1662         * config/tilegx/sync.md: New file.
1663         * config/tilegx/t-tilegx: New file.
1664         * config/tilegx/tilegx-builtins.h: New file.
1665         * config/tilegx/tilegx-c.c: New file.
1666         * config/tilegx/tilegx-generic.md: New file.
1667         * config/tilegx/tilegx-modes.def: New file.
1668         * config/tilegx/tilegx-multiply.h: New file.
1669         * config/tilegx/tilegx-protos.h: New file.
1670         * config/tilegx/tilegx.c: New file.
1671         * config/tilegx/tilegx.h: New file.
1672         * config/tilegx/tilegx.md: New file.
1673         * config/tilegx/tilegx.opt: New file.
1674         * config/tilepro/constraints.md: New file.
1675         * config/tilepro/gen-mul-tables.cc: New file.
1676         * config/tilepro/linux.h: New file.
1677         * config/tilepro/mul-tables.c: New file.
1678         * config/tilepro/predicates.md: New file.
1679         * config/tilepro/t-tilepro: New file.
1680         * config/tilepro/tilepro-builtins.h: New file.
1681         * config/tilepro/tilepro-c.c: New file.
1682         * config/tilepro/tilepro-generic.md: New file.
1683         * config/tilepro/tilepro-modes.def: New file.
1684         * config/tilepro/tilepro-multiply.h: New file.
1685         * config/tilepro/tilepro-protos.h: New file.
1686         * config/tilepro/tilepro.c: New file.
1687         * config/tilepro/tilepro.h: New file.
1688         * config/tilepro/tilepro.md: New file.
1689         * config/tilepro/tilepro.opt: New file.
1690
1691 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1692
1693         PR tree-optimization/52210
1694         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
1695         vect_model_simple_cost with two entry vect_def_type array instead
1696         of an address of dt.
1697
1698 2012-02-14  Richard Guenther  <rguenther@suse.de>
1699
1700         PR lto/52178
1701         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1702         Do not stream DECL_QUALIFIER.
1703         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1704         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1705         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1706
1707 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1708
1709         PR c/52181
1710         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1711         newdecl.
1712
1713 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1714
1715         PR bootstrap/52172
1716         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1717         * cselib.c (cselib_subst_to_values_from_insn): New function.
1718         * sched-deps.c (add_insn_mem_dependence,
1719         sched_analyze_1, sched_analyze_2): Use it.
1720
1721 2012-02-13  Jan Hubicka  <jh@suse.cz>
1722
1723         PR middle-end/52214
1724         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1725
1726 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1727
1728         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1729         (GTM_SELF_SPECS): Define if not already defined.
1730         (driver_self_specs): Add GTM_SELF_SPECS.
1731         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1732         (GTM_SELF_SPECS): Define.
1733         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1734         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1735
1736 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1737
1738         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1739         away if seen.
1740
1741         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1742
1743         PR middle-end/52230
1744         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1745         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1746
1747 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1748
1749         PR c/52190
1750         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1751
1752 2012-02-13  Richard Guenther  <rguenther@suse.de>
1753
1754         PR translation/52211
1755         * passes.c (enable_disable_pass): Fix typo.
1756
1757 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1758
1759         PR middle-end/52209
1760         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1761         XOR for reduce_bit_field if type is unsigned.
1762
1763 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1764
1765         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1766         disallow changes from SFmode to mode with different size in FP regs.
1767
1768 2012-02-12  Robert Millan  <rmh@gnu.org>
1769             Gerald Pfeifer <gerald@pfeifer.com>
1770
1771         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1772         Tweak comment.
1773
1774 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1775
1776         PR rtl-optimization/52175
1777         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1778         to frame-related instructions.
1779
1780 2012-02-10  Jason Merrill  <jason@redhat.com>
1781
1782         PR c++/51910
1783         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1784         (demangle_new_symbols): Fill it.
1785         (scan_linker_output): Walk it.
1786         (start_tweaking): Split out from scan_linker_output.
1787         (maybe_tweak): Update sym->chosen.
1788         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1789
1790 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1791
1792         PR debug/52132
1793         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1794
1795 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1796
1797         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1798         having the same mode as previous compare.
1799
1800 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1801
1802         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1803         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1804         (nonlocal_goto_internal): Likewise.
1805         (nonlocal_goto): Emit a use and an indirect jump directly.
1806
1807 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1808
1809         PR c/52190
1810         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1811         __atomic_{is,always}_lock_free.
1812
1813 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1814
1815         PR target/52146
1816         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1817         negative constant address for x32.
1818
1819 2012-02-10  Richard Henderson  <rth@redhat.com>
1820
1821         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1822         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1823         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1824
1825 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1826             Ira Rosen  <irar@il.ibm.com>
1827
1828         PR tree-optimization/50031
1829         * targhooks.c (default_builtin_vectorization_cost): Handle
1830         vec_promote_demote.
1831         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1832         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1833         all types of reduction and pattern statements.
1834         (vect_estimate_min_profitable_iters): Likewise.
1835         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1836         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1837         for explicit realigns.
1838         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1839         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1840         vec_promote_demote.
1841         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1842         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1843         vec_perm for VSX and handle vec_promote_demote.
1844
1845 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1846
1847         PR middle-end/52177
1848         * builtins.c (fold_builtin_atomic_always_lock_free,
1849         expand_builtin_atomic_always_lock_free,
1850         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1851         Return and/or test boolean_true_node/boolean_false_node instead of
1852         integer_one_node/integer_zero_node.
1853
1854 2012-02-10  Jan Hubicka  <jh@suse.cz>
1855
1856         PR middle-end/48600
1857         * predict.c (predict_paths_for_bb): Prevent looping.
1858         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1859
1860 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1861
1862         * config/arm/arm.c (output_move_double): In one case properly
1863         count number of instructions that will be emitted.
1864
1865 2012-02-10  Richard Guenther  <rguenther@suse.de>
1866
1867         PR translation/52193
1868         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1869
1870 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1871
1872         PR middle-end/52140
1873         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1874
1875 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1876
1877         PR debug/52165
1878         * var-tracking.c (emit_note_insn_var_location): If
1879         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1880         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1881         non-NOTE_DURING_CALL_P insn.
1882
1883 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1884
1885         PR middle-end/51867
1886         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1887
1888 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1889
1890         PR driver/48524
1891         * gcc.c (switch_matches) Support switches with separated form,
1892         -D and -U.
1893
1894 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1895
1896         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1897         (SP_ADDR): Ditto.
1898         (RAMPZ_ADDR): Ditto.
1899         * config/avr/avr.c (avr_addr_t): New typedef.
1900         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1901         (avr_init_expanders): Initialize it.
1902         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1903         SREG_ADDR.
1904         (expand_epilogue): Ditto.
1905         (avr_print_operand): Ditto.
1906         (avr_file_start): Ditto.
1907         (avr_emit_movmemhi): Ditto.
1908
1909 2012-02-08  Richard Guenther  <rguenther@suse.de>
1910
1911         PR tree-optimization/46886
1912         * tree-flow.h (do_while_loop_p): Declare.
1913         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1914         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1915
1916 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1917
1918         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1919         always succeed for integers larger than a native word.
1920
1921 2012-02-08  Richard Guenther  <rguenther@suse.de>
1922
1923         PR rtl-optimization/52170
1924         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1925         properly handle integer vector modes.
1926
1927 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR gcov-profile/52150
1930         * coverage.c: Include target.h.
1931         (build_var): Call targetm.strip_name_encoding on the assembler name.
1932         Change one _ into . or $ if the target allows it.
1933         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1934
1935         PR rtl-optimization/52139
1936         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1937         is a BARRIER after emit_insn_after_noloc, move BB_END
1938         to the last non-BARRIER insn before it.
1939
1940 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1941
1942         PR middle-end/24306
1943         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1944         (mips_gimplify_va_arg_expr): Call it instead of
1945         std_gimplify_va_arg_expr.
1946
1947 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1948
1949         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1950         message for -mno-pointers-to-nested-function.
1951
1952 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1953
1954         PR middle-end/51994
1955         * expr.c (get_inner_reference): If there is an offset, add a negative
1956         bit position to it (if any).
1957
1958 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1959
1960         PR rtl-optimization/52060
1961         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1962         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1963         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1964         and/or i0src_copy2 when needed.
1965
1966 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1967
1968         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1969         or LTOPLUGINSONAME if have_c.
1970
1971         * config/freebsd-spec.h: Add comment about what macros can be defined
1972         in this header.
1973         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1974         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1975         here instead.
1976
1977 2012-02-07  Richard Guenther  <rguenther@suse.de>
1978
1979         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1980         newline in -alias dumps.
1981
1982 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1983             Dave Korn  <dave.korn.cygwin@gmail.com>
1984
1985         PR target/40068
1986         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1987         Take care that typinfo gets dllexport-attribute.
1988
1989 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR middle-end/52074
1992         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1993         if modifier < EXPAND_SUM call force_operand on the result.
1994
1995 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1996
1997         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1998         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1999         present.
2000         (epiphany_function_type): Replace types for specific interrupts with
2001         EPIPHANY_FUNCTION_INTERRUPT.
2002         (EPIPHANY_INTERRUPT_P): Update.
2003         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
2004         New static function.
2005         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
2006         <disinterrupt>: Affects type identity.
2007         (epiphany_handle_interrupt_attribute): Handle variable number of
2008         arguments.
2009         (epiphany_compute_function_type): Update for new
2010         epiphany_function_type definition.
2011         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
2012         handlers with a longcall forwarder.
2013         (epiphany_start_function): Handle multiple interrupt arguments and/or
2014         forwarder_section attribute.
2015
2016         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
2017         libgloss.
2018
2019 2012-02-07  Alan Modra  <amodra@gmail.com>
2020
2021         PR target/52107
2022         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
2023         subregs of TFmode.
2024
2025 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2026
2027         PR tree-optimization/50969
2028         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
2029         use vec_perm rather than vector_stmt.
2030         (vect_model_load_cost): Likewise.
2031         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
2032         vec_perm to be the same as other vector statements.
2033         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
2034         cost of vec_perm for TARGET_VSX.
2035
2036 2012-02-06  Richard Guenther  <rguenther@suse.de>
2037
2038         PR tree-optimization/52115
2039         * tree-sra.c (access_has_replacements_p): New function.
2040         (sra_modify_assign): Use it to decide whether a use is uninitialized.
2041
2042 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
2043
2044         PR middle-end/52047
2045         * trans-mem.c (expand_call_tm): Add an assertion.
2046         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
2047         functions.
2048
2049 2012-02-06  Richard Guenther  <rguenther@suse.de>
2050
2051         PR tree-optimization/50955
2052         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
2053         raise cost of expressions that replace an address with an
2054         expression based on a different pointer.
2055
2056 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
2057
2058         PR target/52129
2059         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
2060         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
2061
2062 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
2063
2064         PR c++/48680
2065         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
2066         -Weffc++ and specify guidelines come from second edition.
2067
2068 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2069
2070         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
2071         (sibcall_value_multiple_internal, call_split, call_internal_direct)
2072         (call_direct_split, call_value_split, call_value_internal_direct)
2073         (call_value_direct_split, call_value_multiple_split): Use jal and
2074         jal_macro attributes.
2075
2076 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
2077
2078         * reload1.c (reload_regs_reach_end_p): Replace with...
2079         (reload_reg_rtx_reaches_end_p): ...this function.
2080         (new_spill_reg_store): Update commentary.
2081         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
2082         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
2083         before setting new_spill_reg_store.
2084         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
2085         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
2086         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
2087         for non-spill reload registers.
2088
2089 2012-02-05  Ira Rosen  <irar@il.ibm.com>
2090
2091         PR tree-optimization/52091
2092         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
2093         (vect_is_simple_use_1): Likewise.
2094         * tree-vect-loop.c (vectorizable_reduction): Update calls
2095         to vect_is_simple_use_1 and vect_is_simple_use.
2096         (vectorizable_live_operation): Likewise.
2097         * tree-vect-patterns.c (widened_name_p,
2098         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
2099         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
2100         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
2101         vectorizable_shift,vectorizable_operation, vectorizable_store,
2102         vectorizable_load): Likewise.
2103         (vect_is_simple_cond): Add an argument, pass it to
2104         vect_is_simple_use_1.
2105         (vectorizable_condition): Update calls to vect_is_simple_cond,
2106         vect_is_simple_use.
2107         (vect_is_simple_use): Add an argument, the statement in which
2108         OPERAND is used.  Check that if OPERAND's def stmt is a double
2109         reduction phi node, the use is a phi node too.
2110         (vect_is_simple_use_1): Add an argument, pass it to
2111         vect_is_simple_use.
2112         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
2113         to vect_is_simple_use.
2114
2115 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
2116
2117         PR rtl-optimization/52095
2118         * modulo-sched.c (dump_insn_locator): New function.
2119         (loop_canon_p, sms_schedule): Use it.
2120
2121         PR rtl-optimization/52113
2122         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
2123         even for decomposable shift/zext insns.
2124
2125 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
2126             Zdenek Dvorak  <ook@ucw.cz>
2127
2128         PR rtl-optimization/52092
2129         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
2130         on get_iv_value result.
2131
2132 2012-02-02  Andrew Pinski  <apinski@cavium.com>
2133
2134         PR middle-end/47982
2135         PR middle-end/43967
2136         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
2137
2138 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2139
2140         PR middle-end/48071
2141         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
2142
2143 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
2144
2145         PR rtl-optimization/49800
2146         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
2147         (sched_finish): Call regstat_free_n_sets_and_refs.
2148
2149 2012-02-02  Jia Liu  <proljc@gmail.com>
2150
2151         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
2152         than operand 2.
2153
2154 2012-02-02  Jan Hubicka  <jh@suse.cz>
2155             Tom de Vries  <tom@codesourcery.com>
2156
2157         PR middle-end/51998
2158         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
2159         * varpool.c (varpool_analyze_pending_decls): Likewise.
2160
2161 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
2162             Jayant R Sonar <jayant.sonar@kpitcummins.com>
2163
2164         * config.gcc: Add cr16-* support.
2165
2166         * doc/extend.texi: Document cr16 extensions.
2167         * doc/install.texi: Document cr16 install.
2168         * doc/invoke.texi: Document cr16 options.
2169         * doc/md.texi: Document cr16 constraints.
2170
2171         * common/config/cr16/cr16-common.c: New file.
2172         * config/cr16/cr16.c: New file.
2173         * config/cr16/cr16.h: New file.
2174         * config/cr16/cr16.md: New file.
2175         * config/cr16/cr16.opt: New file.
2176         * config/cr16/cr16-protos.h: New file.
2177         * config/cr16/predicates.md: New file.
2178         * config/cr16/constraints.md: New file.
2179         * config/cr16/t-cr16: New file.
2180
2181 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
2182
2183         PR target/52086
2184         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
2185         that operands[2] is either immediate, or q_regs_operand.
2186
2187         PR tree-optimization/52073
2188         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
2189         a pattern stmt for pattern uses, ignore uses outside of the loop.
2190
2191 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2192
2193         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
2194         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
2195         (OUT_AS1, OUT_AS2): Remove.
2196
2197 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
2198
2199         PR rtl-optimization/51374
2200         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
2201         to cross other volatile_refs_p insns.
2202
2203 2012-02-01  Richard Guenther  <rguenther@suse.de>
2204
2205         * doc/invoke.texi (fno-inline): Clarify documentation.
2206         (finline-small-functions): Likewise.
2207         (finline-functions): Likewise.
2208         * common.opt (finline): Adjust comment and documentation.
2209         (finline-small-functions): Clarify documentation.
2210         (finline-functions): Likewise.
2211         (finline-functions-called-once): Likewise.
2212
2213 2012-02-01  Tristan Gingold  <gingold@adacore.com>
2214
2215         * c-typeck.c (composite_type): Keep mode for pointers.
2216
2217 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
2218
2219         * function.h (regno_reg_rtx): Adjust comment.
2220         * reginfo.c (init_reg_modes_target): Only use the previous mode
2221         if it fits within one register.  Remove MIPS comment.
2222
2223 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2224
2225         PR bootstrap/52058
2226         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
2227
2228 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2229
2230         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
2231         to srak instruction.
2232
2233 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2234
2235         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2236
2237 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2238
2239         PR bootstrap/52041
2240         PR bootstrap/52039
2241         PR target/51974
2242         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
2243
2244 2012-01-31  Richard Guenther  <rguenther@suse.de>
2245
2246         PR tree-optimization/51528
2247         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
2248         assigns.
2249
2250 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
2251
2252         PR bootstrap/52041
2253         PR bootstrap/52039
2254         PR target/51974
2255         * ree.c (add_removable_extension): Change def_map argument
2256         to unsigned *, store in def_map 1 + offset into *insn_list vector
2257         instead of pointers into the vector.
2258         (find_removable_extensions): Adjust caller.
2259
2260 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2261
2262         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
2263         Transform all "* quoted-c-code" to { c-code }.
2264         Remove redundant test for "optimize" in combine patterns.
2265         Move (include "avr-dimode.md") to end of file.
2266
2267 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
2268
2269         PR target/51835
2270         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
2271         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
2272
2273 2012-01-30  Richard Guenther  <rguenther@suse.de>
2274
2275         PR tree-optimization/52028
2276         * tree-loop-distribution.c (ldist_gen): Properly update
2277         virtual SSA form.
2278
2279 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
2280
2281         PR debug/52027
2282         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
2283         set_cur_line_info_table if not emitting debug info.
2284
2285         PR tree-optimization/52046
2286         * tree-vect-patterns.c (check_bool_pattern): Give up if
2287         a comparison could throw.
2288
2289         PR debug/52048
2290         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
2291
2292 2012-01-30  Richard Guenther  <rguenther@suse.de>
2293
2294         PR tree-optimization/52045
2295         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
2296         SSA form if cfgcleanup did anything.
2297
2298 2012-01-30  Richard Guenther  <rguenther@suse.de>
2299
2300         PR tree-optimization/52045
2301         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
2302         before computing final todo.
2303
2304 2012-01-30  Richard Guenther  <rguenther@suse.de>
2305
2306         PR tree-optimization/51528
2307         * tree-sra.c (sra_modify_assign): Re-factor in preparation
2308         for PR51528 fix.
2309
2310 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
2311
2312         * df-problems.c (df_kill_notes): Check that the use refers
2313         to the note under examination.
2314
2315 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
2316
2317         PR target/51920
2318         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
2319         parameter and use short-lived pseudos.
2320         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
2321         (sparc_expand_vector_init): Const-ify local variables and adjust
2322         calls to above functions.
2323
2324 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
2325
2326         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
2327
2328 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
2329
2330         * doc/invoke.texi: Make usage of "compile time" and
2331         "run time"/"runtime" consistent throughout the file.
2332
2333 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
2334
2335         * config/alpha/alpha.c (alpha_option_override): Default to
2336         full IEEE compliance mode for Go language.
2337
2338 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
2339
2340         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
2341         (LINK_SSP_SPEC): Define.
2342
2343 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2344
2345         PR target/51871
2346         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
2347         stubs.
2348
2349 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
2350
2351         * doc/invoke.texi: Correct hyphenation of "floating point",
2352         "double precision", and related terminology throughout the file.
2353
2354 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
2355
2356         PR target/52006
2357         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
2358         arm_general_register_operand predicate for operand 2 instead of
2359         register_operand.
2360
2361 2012-01-27  Ian Lance Taylor  <iant@google.com>
2362
2363         PR go/47656
2364         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
2365         * builtins.c (expand_builtin_init_trampoline): Add onstack
2366         parameter.  Change caller.
2367         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
2368         * tree.c (build_common_builtin_nodes): Declare
2369         __builtin_init_heap_trampoline.
2370
2371 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
2372
2373         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
2374         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
2375         * config/avr/avr.c: Ditto.
2376         (avr_regnames): Remove because unused.
2377         * config/avr/avr.md (*cpse.ne): New peephole.
2378         (*cpse.eq): New peephole from former cpse peepholes.
2379
2380 2012-01-27  Michael Eager  <eager@eagercon.com>
2381
2382         * config/microblaze.c (microblaze_emit_compare): Correct
2383         test after pcmp instruction.
2384
2385 2012-01-27  Richard Guenther  <rguenther@suse.de>
2386
2387         PR tree-optimization/52020
2388         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
2389
2390 2012-01-27  Richard Guenther  <rguenther@suse.de>
2391
2392         * ipa-pure-const.c (check_stmt): Clobbers do not make a
2393         function non-const/pure.
2394
2395 2012-01-27  Richard Guenther  <rguenther@suse.de>
2396
2397         PR tree-optimization/50444
2398         * tree-sra.c (build_ref_for_offset): Properly adjust the
2399         MEM_REF type for unaligned accesses.
2400
2401 2012-01-27  Richard Guenther  <rguenther@suse.de>
2402
2403         PR tree-optimization/50444
2404         * expr.c (mem_ref_refers_to_non_mem_p): New function.
2405         (expand_assignment): Use it.  Properly handle misaligned
2406         bases when expanding stores to component references.
2407         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
2408         refactor that case.
2409
2410 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
2411
2412         PR middle-end/51389
2413         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
2414         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
2415         * tree-data-ref.c (find_data_references_in_loop): Make static.
2416         (compute_all_dependences): Change return type to bool.  Bail out
2417         for too many datarefs in a loop.  Move the hunk resetting the data
2418         dependences vector from ...
2419         (compute_data_dependences_for_loop): ... here.  Account for
2420         compute_all_dependences returning false.
2421         (compute_data_dependences_for_bb): Likewise.
2422         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
2423         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
2424
2425 2012-01-27  Richard Guenther  <rguenther@suse.de>
2426
2427         PR middle-end/51959
2428         * expr.c (store_field): Use the alias-set of the scratch memory
2429         for storing to it.
2430
2431 2012-01-27  Tom de Vries  <tom@codesourcery.com>
2432
2433         PR tree-optimization/51990
2434         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
2435         WITH_SIZE_EXPR.
2436         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
2437
2438 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
2439
2440         PR debug/52001
2441         * var-tracking.c (reverse_op): Don't add any reverse operation
2442         if V already has any constant locations.
2443
2444 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2445
2446         * doc/invoke.texi: Correct usage of "command line" (noun)
2447         vs "command-line" (adjective) throughout.
2448
2449 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
2450
2451         * doc/invoke.texi (Language Independent Options): Move
2452         -Wcoverage-mismatch blurb from here....
2453         (Warning Options): ...to here.
2454
2455 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
2456
2457         * config/rs6000/rs6000.c (rs6000_option_override_internal):
2458         Set rs6000_always_hint to false for 476.
2459
2460 2012-01-27  Matthias Klose  <doko@ubuntu.com>
2461
2462         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
2463           system root.
2464         * incpath.c (add_standard_paths): Likewise.
2465
2466 2012-01-27  Richard Henderson  <rth@redhat.com>
2467
2468         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2469         * config/m68k/sync.md (atomic_test_and_set): Rename from
2470         sync_test_and_setqi and adjust the operands.
2471         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
2472         and unconditionally enable.
2473
2474 2012-01-27  Richard Henderson  <rth@redhat.com>
2475
2476         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2477         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
2478         (ldstub): Rename from ldstubqi.
2479         (ldstub<I24MODE>): Remove.
2480
2481 2012-01-27  Richard Henderson  <rth@redhat.com>
2482
2483         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
2484         * c-cppbuiltin.c (cpp_atomic_builtins): Define
2485         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
2486         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
2487         * doc/tm.texi: Rebuild.
2488
2489 2012-01-27  Richard Henderson  <rth@redhat.com>
2490
2491         * optabs.c (gen_atomic_test_and_set): Remove default.
2492         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
2493
2494 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR rtl-optimization/51978
2497         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
2498         (combine_reaching_defs): Likewise.
2499         (struct re_info): Remove.
2500         (add_removable_extension): Remove x and data arguments,
2501         add insn, insn_list and def_map.  Use the arguments directly
2502         instead of using struct re_info.
2503         (find_removable_extensions): Don't call add_removable_extension
2504         through note_stores, instead just call it with single_set
2505         result if non-NULL.
2506         (find_and_remove_re): Pass curr_cand->expr instead of
2507         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2508
2509 2012-01-26  Michael Matz  <matz@suse.de>
2510
2511         PR tree-optimization/46590
2512         * cfgexpand.c: Revert last change (r183305).
2513         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
2514         regs.
2515         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
2516         checking for emptiness.
2517
2518 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
2519
2520         PR middle-end/51895
2521         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
2522         non-addressable non-BLKmode base correctly.
2523
2524 2012-01-26  Michael Matz  <matz@suse.de>
2525
2526         PR tree-optimization/48794
2527         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
2528         regions referenced from RESX/EH_DISPATCH.
2529
2530 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2531
2532         * config/s390/s390.h: Make BRANCH_COST an option.
2533         * config/s390/s390.opt: New option -mbranch-cost.
2534
2535 2012-01-26  Richard Henderson  <rth@redhat.com>
2536
2537         Revert 2012-01-24 change:
2538         * trans-mem.c (requires_barrier): Do not instrument thread local
2539         variables and emit save/restore for them.
2540
2541 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2542
2543         PR middle-end/51986
2544         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
2545         for pat == 0.
2546
2547 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
2548
2549         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
2550         ASM_OPERANDS.
2551
2552 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
2553
2554         PR target/49868
2555         Rename __pgm to __flash.
2556         Rename __pgm1 to __flash1.
2557         Rename __pgm2 to __flash2.
2558         Rename __pgm3 to __flash3.
2559         Rename __pgm4 to __flash4.
2560         Rename __pgm5 to __flash5.
2561         Rename __pgmx to __memx.
2562         * doc/extend.texi (AVR Named Address Spaces)
2563         Rename address space names as indicated above.
2564         * config/avr/avr.c (avr_addrspace): Ditto.
2565
2566         * config/avr/avr-protos.h
2567         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
2568         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
2569         * config/avr/predicates.md: Ditto.
2570         * config/avr/avr.c Ditto, and
2571         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
2572         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
2573
2574         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
2575         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
2576         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
2577         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
2578         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
2579         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
2580         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
2581         * config/avr/avr.c: Ditto.
2582         * config/avr/avr.md: Ditto.
2583
2584 2012-01-25  Jason Merrill  <jason@redhat.com>
2585
2586         PR c++/51992
2587         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
2588
2589 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR tree-optimization/51987
2592         * tree-data-ref.c (get_references_in_stmt): Handle references in
2593         non-volatile GIMPLE_ASM.
2594
2595 2012-01-25  Richard Guenther  <rguenther@suse.de>
2596
2597         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
2598         bases are dereferenced.
2599
2600 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2601
2602         PR rtl-optimization/48374
2603         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2604
2605 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
2606
2607         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
2608         compute_data_dependences_for_loop returns false.
2609         * tree-parloops.c (loop_parallel_p): Likewise.
2610
2611 2012-01-25  Richard Guenther  <rguenther@suse.de>
2612
2613         * tree.h (get_pointer_alignment_1): Declare.
2614         * builtins.c (get_pointer_alignment_1): New function.
2615         (get_pointer_alignment): Use it.
2616
2617 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2618
2619         PR rtl-optimization/48308
2620         * combine.c (enum undo_kind): Add UNDO_LINKS.
2621         (struct undo): Add member l to other_contents and where.
2622         (do_SUBST_LINK): New.
2623         (SUBST_LINK): New.
2624         (try_combine): Handle LOG_LINKS for the dummy i1 case.
2625         (undo_all): Handle UNDO_LINKS.
2626
2627 2012-01-25  Richard Henderson  <rth@redhat.com>
2628
2629         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
2630         mem inputs.
2631
2632 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2633
2634         * optabs.c (gen_atomic_test_and_set): Use each argument.
2635
2636 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2637
2638         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
2639         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
2640         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
2641         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
2642         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
2643         TARGET_PAIRED_SINGLE_FLOAT.
2644
2645 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2646
2647         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2648         (in_struct, return_val): Remove MEM documentation.
2649         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
2650         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
2651         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
2652         and MEM_SCALAR.
2653         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2654         * cfgexpand.c (add_alias_set_conflicts): Likewise.
2655         * expr.c (store_field): Likewise.
2656         * function.c (assign_stack_temp_for_type): Likewise.
2657         * ifcvt.c (noce_try_cmove_arith): Likewise.
2658         * reload1.c (reload): Likewise.
2659         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
2660         (alpha_set_memflags): Likewise.
2661         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
2662
2663 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
2664
2665         * rtl.h (true_dependence, canon_true_dependence): Remove varies
2666         parameter.
2667         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
2668         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
2669         (true_dependence_1, true_dependence, canon_true_dependence): Remove
2670         varies parameter.
2671         * cselib.c (cselib_rtx_varies_p): Delete.
2672         (cselib_invalidate_mem): Update call to canon_true_dependence.
2673         * dse.c (record_store, check_mem_read_rtx): Likewise.
2674         (scan_reads_nospill): Likewise.
2675         * cse.c (check_dependence): Likewise.
2676         (cse_rtx_varies_p): Delete.
2677         * expr.c (safe_from_p): Update call to true_dependence.
2678         * ira.c (validate_equiv_mem_from_store): Likewise.
2679         (memref_referenced_p): Likewise.
2680         * postreload-gcse.c (find_mem_conflicts): Likewise.
2681         * sched-deps.c (sched_analyze_2): Likewise.
2682         * store-motion.c (load_kills_store): Likewise.
2683         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
2684         * gcse.c (mems_conflict_for_gcse_p): Likewise.
2685         (compute_transp): Update call to canon_true_dependence.
2686
2687 2012-01-25  Richard Henderson  <rth@redhat.com>
2688
2689         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
2690         (maybe_emit_atomic_test_and_set): New.
2691         (expand_sync_lock_test_and_set): Use it.
2692         (expand_atomic_test_and_set): Likewise.
2693         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
2694         the implementation; clarify implementation defined details.
2695         * doc/md.texi (atomic_test_and_set): Document.
2696
2697 2012-01-25  Richard Henderson  <rth@redhat.com>
2698
2699         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
2700
2701 2012-01-25  Richard Henderson  <rth@redhat.com>
2702
2703         PR target/51968
2704         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2705         to effect no-op split.
2706
2707 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2708
2709         PR lto/51698
2710         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2711         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2712         (BT_FN_VOID_PTR_INT_SIZE): New.
2713         (BT_FN_UINT_UINT_VAR): Remove.
2714         (BT_FN_UINT32_UINT32_VAR): New.
2715         (BT_FN_DOUBLE_VPTR): Remove.
2716         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2717
2718         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2719         (_ITM_changeTransactionMode): Same.
2720         (_ITM_memmoveRtWt): Change return type to void.
2721         (_ITM_memcpyRtWt): Same.
2722         (_ITM_memsetW): Same.
2723         (_ITM_RaRD): Change types to double.
2724         (_ITM_RD): Same.
2725         (_ITM_RaWD): Same.
2726         (_ITM_RfWD): Same.
2727
2728         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2729
2730 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2731             Patrick Marlier  <patrick.marlier@gmail.com>
2732
2733         * trans-mem.c (requires_barrier): Do not instrument thread local
2734         variables and emit save/restore for them.
2735
2736 2012-01-24  Jason Merrill  <jason@redhat.com>
2737
2738         PR c++/51812
2739         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2740         output static aliases.
2741
2742 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2743
2744         PR driver/47249
2745         * common.opt (-pie, -shared, pie, shared): Change from Common to
2746         Driver.
2747         * gcc.c (display_help): Display help for -pie and -shared.
2748
2749 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2750
2751         PR target/49868
2752         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2753         Remove note on size/offset limitation.
2754         (AVR Variable Attributes): Add example how to read data located
2755         with progmem.  Refer to named address spaces.
2756         * doc/invoke.texi (AVR Options): Fix typo.
2757
2758 2012-01-24  Richard Guenther  <rguenther@suse.de>
2759
2760         Forward-port to trunk
2761         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2762
2763         PR middle-end/45678
2764         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2765         op0 isn't sufficiently aligned and there is movmisalignM
2766         insn for mode, use it to load op0 into a temporary register.
2767
2768 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2769
2770         PR target/51957
2771         * target.def (const_not_ok_for_debug_p): New hook.
2772         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2773         documentation.
2774         * doc/tm.texi: Regenerated.
2775         * dwarf2out.c (const_ok_for_output_1): If
2776         targetm.const_not_ok_for_debug_p returns true, fail.
2777         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2778         function.
2779         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2780
2781 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2782
2783         PR target/51900
2784         * config/i386/predicates.md (symbolic_operand): Allow
2785         UNSPEC_PCREL as PIC expression for lea.
2786         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2787         * config/i386/i386.c (ix86_delegitimize_address): Handle
2788         UNSPEC_PCREL for none-MEM, too.
2789
2790 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2791
2792         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2793         (ipa_tm_create_version_alias): Same.
2794
2795 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2796
2797         PR libitm/51830
2798         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2799         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2800
2801 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2802             Patrick Marlier  <patrick.marlier@gmail.com>
2803             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2804
2805         PR lto/51916
2806         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2807         simple_object_start_read.
2808
2809 2012-01-23  Richard Guenther  <rguenther@suse.de>
2810
2811
2812         PR tree-optimization/51895
2813         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2814         parameter decomposition into BLKmode components.
2815
2816 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2817
2818         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2819         fake variables for restrict-qualified pointers whose pointed-to type
2820         contains a placeholder.
2821
2822 2012-01-23  Richard Guenther  <rguenther@suse.de>
2823
2824         PR tree-optimization/51949
2825         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2826
2827 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2828
2829         PR rtl-optimization/51933
2830         * ree.c (transform_ifelse): Return true right away if dstreg is
2831         already wider or equal to cand->mode.
2832         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2833         (make_defs_and_copies_lists): Remove defs_list and copies_list
2834         arguments, add state argument, just truncate state->work_list
2835         instead of always allocating and freeing the vector.  Assert that
2836         get_defs succeeds instead of returning 2.  Changed return type to bool.
2837         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2838         have ext_src_mode, see if it has been modified already with the
2839         right kind of extension and has been extended before from the
2840         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2841         just return true.  Remember the original mode in state->modified array.
2842         (combine_reaching_defs): Add state argument.  Don't allocate and
2843         free here def_list, copied_list and vec vectors, instead just
2844         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2845         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2846         Add state variable, clear vectors in it, initialize state.modified
2847         if needed.  Free all the vectors at the end and state.modified too.
2848         Don't skip a candidate if the extension expression has been modified.
2849
2850 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2851
2852         PR target/47096
2853         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2854          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2855         (extra_options) interix.opt -> i386/interix.opt"
2856         (extra_objs):Add winnt-stubs.o
2857         * configure.ac: Add interix to target_os .comm on PE check.
2858         * configure: Regenerate.
2859         * config/interix3.h: Delete and move bits to..
2860         * config/interix.h: Delete and move bits to..
2861         * config/i386/i386-interix3.h: Delete and move bits to..
2862         * config/i386/i386-interix.h: ..here.
2863         (TARGET_CPU_DEFAULT): Remove redefinition.
2864         (TARGET_ASM_CONSTRUCTOR): Undefine.
2865         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2866         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2867         (PTRDIFF_TYPE): Define.
2868         (LONG_DOUBLE_TYPE_SIZE): Define.
2869         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2870         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2871         (TARGET_SECTION_TYPE_FLAGS): Define.
2872         (ASM_DECLARE_FUNCTION_NAME): Define.
2873         (ASM_OUTPUT_EXTERNAL): Define.
2874         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2875         (ASM_OUTPUT_ALIGNED_BSS): Define.
2876         (PCC_BITFIELD_TYPE_MATTERS): Define.
2877         (USE_CONST_SECTION): Define.
2878         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2879         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2880         (SUPPORTS_ONE_ONLY): Remove.
2881         (I386_PE_STRIP_ENCODING): Define.
2882         * config/interix.opt: Delete and move bits to..
2883         * config/i386/interix.opt: ..here. New.
2884         (mpe-aligned-commons): Add.
2885         * config/i386/t-interix: Add copyright header.
2886         (winnt-stubs.o): Add rule.
2887
2888 2012-01-22  Jason Merrill  <jason@redhat.com>
2889
2890         PR c++/51832
2891         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2892         for extra name aliases.
2893
2894 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2895
2896         PR rtl-optimization/51924
2897         * ree.c (combine_set_extension): Improve debugging message.
2898         (combine_reaching_defs): Likewise.
2899         (get_defs): Rename confusingly named variable.
2900         (find_and_remove_re): Skip a candidate if the extension expression has
2901         been modified.
2902
2903 2012-01-21  Robert Millan  <rmh@gnu.org>
2904             Gerald Pfeifer  <gerald@pfeifer.com>
2905
2906         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2907         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2908
2909 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2910
2911         PR tree-optimization/51914
2912         * tree-vect-stmts.c (vectorizable_conversion): For
2913         cvt_type && modifier == WIDEN, put temporary with cvt_type
2914         at the beginning of vec_dsts and set vec_dest to temporary
2915         with vectype_out.
2916
2917 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2918
2919         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2920
2921 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2922
2923         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2924         * config/rs6000/rs6000.c: Likewise.
2925
2926 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR target/51915
2929         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2930         output_move_double on a copy of operands array.
2931
2932 2012-01-20  Cary Coutant  <ccoutant@google.com>
2933             Dodji Seketeli  <dodji@redhat.com>
2934
2935         PR debug/45682
2936         * dwarf2out.c (copy_declaration_context): Return ref to parent
2937         of declaration DIE, if necessary.
2938         (remove_child_or_replace_with_skeleton): Add new parameter; update
2939         caller.  Place skeleton DIE under parent DIE of original declaration.
2940         Move call to copy_declaration_context to here ...
2941         (break_out_comdat_types): ... from here.
2942
2943 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2944
2945         PR rtl-optimization/51856
2946         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2947         flag to reloaded.
2948
2949 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2950
2951         PR target/51819
2952         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2953         hints for neon loads and stores.
2954
2955 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2956
2957         PR target/49868
2958         PR target/50887
2959         * doc/extend.texi (Named Address Spaces): Split into subsections.
2960         (AVR Named Address Spaces): New subsection.
2961         (M32C Named Address Spaces): New subsection.
2962         (RL78 Named Address Spaces): New subsection.
2963         (SPU Named Address Spaces): New subsection.
2964         (Variable Attributes): New anchor "AVR Variable Attributes".
2965         (AVR Variable Attributes): Rewrite and avoid wording
2966         "address space" in this context.
2967         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2968         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2969         (AVR Built-in Macros): New subsubsection therein.
2970         * doc/md.texi (AVR constraints): Remove "C04", "R".
2971
2972 2012-01-20  Richard Guenther  <rguenther@suse.de>
2973
2974         PR tree-optimization/51903
2975         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2976         when removing stmts.
2977
2978 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2979
2980         PR target/50313
2981         * config/arm/arm.c (arm_load_pic_register): Use
2982         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2983         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2984         (arm_pic_static_addr): Likewise.
2985         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2986         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2987         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2988         (pic_load_addr_unified): New.
2989
2990 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2991
2992         PR target/51106
2993         * function.c (instantiate_virtual_regs_in_insn): Use
2994         delete_insn_and_edges when removing a wrong asm insn.
2995
2996 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2997
2998         PR rtl-optimization/40761
2999         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
3000         Add new member loop_num.
3001         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
3002         (ira_build): Remove the parameter.
3003
3004         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
3005         (ira.c): Do not build CFG loops for one region allocation.  Remove
3006         argument from ira_build call.
3007
3008         * ira-build.c (init_loop_tree_node): New function.
3009         (create_loop_tree_nodes): Use it.  Separate the case when CFG
3010         loops are not built.
3011         (more_one_region_p): Check current_loops.
3012         (finish_loop_tree_nodes): Separate the case when CFG loops are not
3013         built.
3014         (add_loop_to_tree): Process loop equal to NULL too.
3015         (form_loop_tree): Separate the case when CFG loops are not built.
3016         Use explicitly number for the root.
3017         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
3018         an assertion.
3019         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
3020         instead of loop->num.
3021         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
3022         (mark_all_loops_for_removal): Ditto.
3023         (remove_unnecessary_regions): Separate the case when CFG loops
3024         are not built.
3025         (ira_build): Remove the parameter.  Use explicit number of regions
3026         when CFG loops are not built.
3027
3028         * ira-color.c (print_loop_title): Separate the case for the root node.
3029         Use loop_num instead of loop->num.
3030         (move_spill_restore): Use loop_num instead of loop->num.
3031
3032         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
3033         (change_loop): Ditto.
3034         (change_loop): Use loop_num instead of loop->num.
3035
3036         * ira-lives.c (process_bb_node_lives): Ditto.
3037
3038         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
3039
3040         * ira-conflicts.c (print_allocno_conflicts): Ditto.
3041
3042 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3043
3044         PR libmudflap/40778
3045         * tree-mudflap.c (mf_artificial): New function.
3046         (execute_mudflap_function_ops, execute_mudflap_function_decls,
3047         mx_register_decls, mudflap_enqueue_decl): Use it.
3048
3049         PR target/51876
3050         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
3051         numbers in the insn pattern.
3052
3053 2012-01-19  Michael Matz  <matz@suse.de>
3054
3055         PR tree-optimization/46590
3056         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
3057         use it in remembering which conflicts we already created.
3058         (add_scope_conflicts): Adjust call to above, (de)allocate helper
3059         bitmap.
3060
3061 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
3062
3063         PR lto/51280
3064         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
3065         (merge_and_complain): Same.
3066
3067 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
3068
3069         PR bootstrap/50237
3070         * config/initfini-array.h: Guard content of the header
3071         with #ifdef HAVE_INITFINI_ARRAY.
3072         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
3073         Add initfini-array.h to tm_file here.
3074         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
3075         * config.gcc: Don't add initfini-array.h to tm_file here.
3076         * configure: Regenerated.
3077
3078 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
3079
3080         PR rtl-optimization/51505
3081         * df-problems.c (df_kill_notes): New parameter live. Update comment.
3082         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
3083         (df_note_bb_compute): Update the call to df_kill_notes.
3084
3085 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
3086
3087         * trans-mem.c (requires_barrier): Remove call to is_global_var.
3088
3089 2012-01-18  Richard Guenther  <rguenther@suse.de>
3090
3091         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
3092         of conversions to void *.
3093
3094 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3095             Richard Sandiford  <rdsandiford@googlemail.com>
3096
3097         PR middle-end/50325
3098         PR middle-end/51192
3099         * optabs.h (simplify_expand_binop): Declare.
3100         * optabs.c (simplify_expand_binop): Make global.
3101         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
3102         endian targets if the source cannot be exactly covered by word
3103         mode chunks.
3104
3105 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3106
3107         PR bootstrap/51872
3108         * hard-reg-set.h (struct hard_reg_set_container): New type.
3109         * target.h (struct hard_reg_set_container): Forward declare.
3110         * target.def (set_up_by_prologue): New target hook.
3111         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
3112         * doc/tm.texi: Regenerated.
3113         * function.c (thread_prologue_and_epilogue_insns): Change
3114         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
3115         Call targetm.set_up_by_prologue on it.
3116         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
3117         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
3118
3119 2012-01-17  Nick Clifton  <nickc@redhat.com>
3120
3121         * config/rx/rx.c (rx_can_use_simple_return): New function.
3122         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
3123         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
3124
3125 2012-01-17  Richard Guenther  <rguenther@suse.de>
3126
3127         PR middle-end/51782
3128         * expr.c (expand_assignment): Take address-space information
3129         from the address operand of MEM_REF and TARGET_MEM_REF.
3130         (expand_expr_real_1): Likewise.
3131
3132 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3133
3134         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
3135         reload dump is requested.
3136
3137 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
3138
3139         PR other/51165
3140         * trans-mem.c (requires_barrier): Call may_be_aliased.
3141
3142 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
3143
3144         PR tree-optimization/51877
3145         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
3146         call arguments and fndecls compare equal, instead return false if they
3147         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
3148         both SSA_NAMEs that are valueized the same, or they satisfy
3149         operand_equal_p.
3150
3151 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3152
3153         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
3154         Solaris 11+.
3155         * configure: Regenerate.
3156
3157 2012-01-16  Jan Hubicka  <jh@suse.cz>
3158
3159         PR c/12245
3160         PR c++/14179
3161         * convert.c (convert_to_integer): Use fold_convert for
3162         converting an INTEGER_CST to integer type.
3163
3164 2012-01-16  Jason Merrill  <jason@redhat.com>
3165
3166         PR c++/14179
3167         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
3168
3169 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR bootstrap/51860
3172         * config/s390/s390.c (s390_chunkify_start): Don't skip
3173         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
3174         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
3175         If insn is followed by NOTE_INSN_VAR_LOCATION or
3176         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
3177         Don't use location of note insns.
3178
3179         PR tree-optimization/51865
3180         * tree-inline.c (tree_function_versioning): Call remap_decl
3181         on DECL_RESULT whenever it has VOID_TYPE_P type.
3182
3183 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
3184
3185         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
3186         for calls to locally-binding MIPS16 functions if only the return
3187         type uses float regs.
3188
3189 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
3190             Richard Sandiford  <rdsandiford@googlemail.com>
3191
3192         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
3193         (SYMBOL_32_HIGH): Likewise.
3194         (mips_output_tls_reloc_directive): Declare.
3195         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
3196         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
3197         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
3198         (mips_lo_relocs, mips_hi_relocs): Make extern.
3199         (mips16_stub_function): Move up file.
3200         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
3201         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
3202         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
3203         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
3204         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
3205         (mips_get_tp): Add MIPS16 support.
3206         (mips_legitimize_tls_address): Remove MIPS16 sorry().
3207         Generalize DTPREL and TPREL handling.
3208         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
3209         Add MIPS16 TLS support.
3210         (mips_output_tls_reloc_directive): New function.
3211         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
3212         * config/mips/predicates.md (symbolic_operand_with_high)
3213         (tls_reloc_operand): New predicates.
3214         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
3215         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
3216         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
3217         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
3218         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
3219         (*tls_get_tp_mips16_call_<mode>): Likewise.
3220
3221 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
3222
3223         PR rtl-optimization/51821
3224         * recog.c (peep2_find_free_register): Determine clobbered registers
3225         from insn pattern.
3226
3227 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
3228
3229         PR target/50925
3230         * config/avr/avr-protos.h: Revert change of 2012-01-09.
3231         * config/avr/avr.c: Likewise.
3232         * config/avr/avr.h: Likewise.
3233
3234 2012-01-13  Ian Lance Taylor  <iant@google.com>
3235
3236         PR c++/50012
3237         * tree.h (TYPE_QUALS): Add cast to int.
3238         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
3239
3240 2012-01-13  Ian Lance Taylor  <iant@google.com>
3241
3242         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
3243         comparing param_index to VEC_length result.
3244
3245 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
3246
3247         * c-decl.c: Do not include tree-mudflap.h
3248         * tree-optimize.c: Likewise.
3249         * Makefile.in: Update dependencies.
3250
3251 2012-01-13  Richard Guenther  <rguenther@suse.de>
3252
3253         PR middle-end/8081
3254         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
3255         variable-sized result always use RSO.
3256
3257 2012-01-12  DJ Delorie  <dj@redhat.com>
3258
3259         * cfgexpand.c (convert_debug_memory_address): Allow any valid
3260         pointer type, not just the default pointer type.
3261
3262 2012-01-09  Richard Henderson  <rth@redhat.com>
3263             Denis Chertykov  <chertykov@gmail.com>
3264
3265         PR target/50925
3266         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
3267         * config/avr/avr.c (avr_can_eliminate): Simplify.
3268         (avr_initial_elimination_offset): Likewise.
3269         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
3270         (expand_epilogue): Likewise.
3271         (avr_legitimize_address): Gut.
3272         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
3273         (avr_hard_regno_nregs): New.
3274         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
3275         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
3276         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
3277         add soft frame pointer.
3278         (CALL_USED_REGISTERS): Likewise.
3279         (REG_CLASS_CONTENTS): Likewise.
3280         (REGISTER_NAMES): Likewise.
3281         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
3282         (HARD_FRAME_POINTER_REGNUM): New.
3283         (FRAME_POINTER_REGNUM): Use soft frame pointer.
3284         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
3285         remove the HARD_FRAME_POINTER self-elimination.
3286
3287 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
3288
3289         PR target/51756
3290         * config/avr/avr.c (avr_encode_section_info): Test for absence of
3291         DECL_EXTERNAL when checking for initializers of progmem variables.
3292
3293 2012-01-12  Ira Rosen  <irar@il.ibm.com>
3294
3295         PR tree-optimization/51799
3296         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
3297         that the last operation is a type demotion.
3298
3299 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
3300
3301         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
3302         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
3303
3304 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
3305
3306         PR bootstrap/51796
3307         * combine.c (distribute_notes): If i3 is a noreturn call,
3308         allow old_size to be equal to args_size and make sure the
3309         noreturn call gets REG_ARGS_SIZE note.
3310         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
3311         on noreturn calls even when the delta is 0.
3312
3313 2012-01-11  Nathan Sidwell  <nathan@acm.org>
3314
3315         * gcov.c (STRING_SIZE): Remove.
3316         (generate_results): Erase annotations for source files with no
3317         coverage information.
3318         (read_line): New.
3319         (output_lines): Use it.
3320
3321 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3322
3323         * gimple.h (gimplify_body): Remove first argument.
3324         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
3325         pointer set here, instead just pass DATA to walk_tree.
3326         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
3327         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
3328         (unvisit_body): Likewise, but with unmark_visited.
3329         (gimplify_body): Remove BODY_P argument and adjust.
3330         (gimplify_function_tree): Adjust call to gimplify_body.
3331         * omp-low.c (finalize_task_copyfn): Likewise.
3332
3333 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3334
3335         * tree.h (build_function_decl_skip_args): Add boolean parameter.
3336         (build_function_type_skip_args): Delete.
3337         * tree.c (build_function_type_skip_args): Make static and add
3338         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
3339         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
3340         pass it to build_function_type_skip_args.
3341         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
3342         (tree_function_versioning): Likewise.
3343         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
3344         build_function_decl_skip_args.
3345         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
3346         and pass it to build_function_decl_skip_args/tree_function_versioning.
3347         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
3348         * ipa-inline-transform.c (save_inline_function_body): Likewise.
3349         * trans-mem.c (ipa_tm_create_version): Likewise.
3350         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
3351         * tree-inline.c (declare_return_variable): Remove always-true test.
3352         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
3353         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
3354         * ipa-split.c (split_function): Skip the return value for the split
3355         part if it doesn't return.
3356
3357 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3358
3359         PR tree-optimization/49642
3360         * ipa-split.c (forbidden_dominators): New variable.
3361         (check_forbidden_calls): New function.
3362         (dominated_by_forbidden): Likewise.
3363         (consider_split): Check for forbidden dominators.
3364         (execute_split_functions): Initialize and free forbidden
3365         dominators info; call check_forbidden_calls.
3366
3367 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3368
3369         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
3370
3371 2012-01-11  Nick Clifton  <nickc@redhat.com>
3372
3373         * config/rx/rx.md (return): Define pattern.
3374
3375 2012-01-11  Richard Guenther  <rguenther@suse.de>
3376
3377         * doc/extend.texi (malloc attribute): Adjust according to
3378         implementation.
3379
3380 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
3381             Patrick Marlier  <patrick.marlier@gmail.com>
3382
3383         PR middle-end/51516
3384         * trans-mem.c (get_cg_data): Traverse aliases if requested.
3385         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
3386         (ipa_tm_note_irrevocable): Same.
3387         (ipa_tm_scan_irr_block): Same.
3388         (ipa_tm_decrement_clone_counts): Same.
3389         (ipa_tm_scan_irr_function): Same.
3390         (ipa_tm_create_version_alias): Same.
3391         (ipa_tm_create_version): Same.
3392         (ipa_tm_transform_calls_redirect): Same.
3393         (ipa_tm_transform_calls): Same.
3394         (ipa_tm_transform_transaction): Same.
3395         (ipa_tm_execute): Same.
3396
3397 2012-01-10  Richard Guenther  <rguenther@suse.de>
3398
3399         PR middle-end/51806
3400         * opts.c (common_handle_option): Handle -Werror.
3401
3402 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
3403
3404         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
3405         operand number.
3406
3407 2012-01-10  Jason Merrill  <jason@redhat.com>
3408
3409         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
3410         information.
3411
3412 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3413
3414         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
3415         supports R_386_TLS_GD_PLT reloc.
3416         (gcc_cv_as_ix86_tlsldmplt): Check if linker
3417         supports R_386_TLS_LDM_PLT reloc.
3418         * configure: Regenerate.
3419         * config.in: Regenerate.
3420
3421 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
3422
3423         PR target/49868
3424         Extend __pgmx semantics to linearize memory.
3425         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
3426         determine if code comes inline or from libgcc.
3427         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
3428         (movmem_qi, movmem_qi): Set constraint #2 to "n".
3429         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
3430         (movmemx_qi, movmemx_hi): New insns.
3431         (xload_<mode>_libgcc): Rewrite to new insn condition.
3432         (xload_<mode>): Remove insns.
3433         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
3434         cases that don't satisfy avr_xload_libgcc_p().
3435         (avr_addr_space_convert): Allow converting in any direction.
3436         (avr_addr_space_subset_p): Return always true.
3437         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
3438         (avr_emit_movmemhi): Ditto.
3439         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
3440         (avr_out_movmem): Ditto.
3441         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
3442         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
3443         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
3444         (avr_encode_section_info): Encode 'progmem' in symbol flags.
3445         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
3446
3447 2012-01-10  Richard Guenther  <rguenther@suse.de>
3448
3449         PR tree-optimization/50913
3450         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
3451         Require data-refs to be representable by Graphite with respect
3452         to any loop nest.
3453
3454 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
3455
3456         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
3457         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
3458
3459 2012-01-10  Tom de Vries  <tom@codesourcery.com>
3460
3461         PR rtl-optimization/51271
3462         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
3463         handling annulled branch.
3464
3465 2012-01-10  Richard Henderson  <rth@redhat.com>
3466
3467         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
3468         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
3469         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
3470         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
3471         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
3472         arm_expand_vec_perm_const): New.
3473         * config/arm/arm-protos.h: Update.
3474         * config/arm/neon.md (UNSPEC_VCONCAT): New.
3475         (*neon_vswp<VDQX>): New.
3476         (neon_vcombine<VDX>): Use neon_split_vcombine.
3477         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
3478         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
3479         (vec_perm<VE>): New.
3480
3481 2012-01-10  Richard Henderson  <rth@redhat.com>
3482
3483         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
3484         use it if reload_completed.
3485         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
3486         arm_output_asm_insn, arm_process_output_memory_barrier,
3487         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
3488         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
3489         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
3490         arm_process_output_sync_insn, arm_output_sync_insn,
3491         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
3492         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
3493         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
3494         (emit_unlikely_jump): New.
3495         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
3496         (arm_split_atomic_op): New.
3497         * config/arm/arm-protos.h: Update.
3498         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
3499         (struct arm_sync_generator): Remove.
3500         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
3501         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
3502         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
3503         (VUNSPEC_LL, VUNSPEC_SC): New.
3504         (sync_result, sync_memory, sync_required_value, sync_new_value,
3505         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
3506         (attr length): Don't use arm_sync_loop_insns.
3507         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
3508         (movsfcc, movdfcc): Likewise.
3509         * config/arm/constraints.md (Ua): New.
3510         * config/arm/prediates.md (mem_noofs_operand): New.