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2012-03-02 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-03-02  Richard Guenther  <rguenther@suse.de>
2
3         * DEV-PHASE: Set to prerelease.
4
5 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
6
7         * config.gcc (obsolete): Add all ARM targets using the FPA.
8         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
9         * doc/install.texi: Avoid references to obsolete ARM ports.
10
11 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
12
13         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
14
15 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
16             Joern Rennecke  <joern.rennecke@embecosm.com>
17
18         * doc/extend.texi: Expand and update information on interrupt
19         attribute for Epiphany.
20
21 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
22
23         * config/sh/sh-protos.h: Update copyright notice dates.
24         * config/sh/sh.h: Likewise.
25         * config/sh/sh.md: Likewise.
26         * config/sh/constraints.md: Likewise.
27         * config/sh/predicates.md: Likewise.
28
29 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
30
31         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
32         * config/sh/sh.c (tertiary_reload_operand): Likewise.
33
34 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
35
36         * config/sh/constraints.md: Fix comment typo.
37
38 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
39
40         PR target/52408
41         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
42         unsigned HOST_WIDE_INT.
43         (zvdep_imm64): Likewise.
44         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
45         (vdepi_and): Likewise.
46         Likewise for unamed 64-bit patterns.
47         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
48
49 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
50
51         PR debug/52001
52         PR rtl-optimization/52417
53         * cselib.c (cselib_any_perm_equivs): New variable.
54         (cselib_reset_table): Check that it's not set when not
55         preserving constants.
56         (cselib_add_permanent_equiv): Set it.
57         (cselib_have_permanent_equivalences): New.
58         (cselib_init, cselib_finish): Reset it.
59         * cselib.h (cselib_have_permanent_equivalences): Declare.
60         * alias.c (get_addr): Restore earlier behavior when there
61         aren't permanent equivalences.
62
63 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
64
65         * config/mn10300/mn10300-modes.def: Fix copyright notice.
66         * config/v850/v850-modes.def: Fix copyright notice.
67
68 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
69
70         * doc/extend.texi (AVR Built-in Functions): Document
71         __builtin_avr_flash_segment.
72
73         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
74         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
75         (*split.flash_segment): New insn-and-split.
76         * config/avr/avr.c (avr_init_builtins): Add local variables:
77         const_memx_void_node, const_memx_ptr_type_node,
78         char_ftype_const_memx_ptr.
79
80 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
81
82         PR tree-optimization/52445
83         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
84         add ssa_name_ver, offset and size fields and change store field
85         to bool.
86         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
87         (add_or_mark_expr): Likewise.  Only consider previous stores
88         with the same size and offset.
89         (nt_init_block): Only look at gimple_assign_single_p stmts,
90         doesn't look at rhs2.
91
92 2012-03-01  Richard Guenther  <rguenther@suse.de>
93
94         PR middle-end/52443
95         * tree-cfg.c (verify_gimple_assign_unary): Allow any
96         conversions from integral types to pointer types.
97
98 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
99
100         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
101         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__ 
102         unintentionally removed in r184616.
103
104 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
105
106         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
107         3DNow from bdver1.
108
109 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
110             Uros Bizjak  <ubizjak@gmail.com>
111
112         PR target/52437
113         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
114         alternatives, add "e" constraint to the new last alternative
115         and ! to last 3 alternatives.
116
117 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
118
119         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
120         DW_AT_artificial attributes at the end of the processing.
121         (gen_array_type_die): Likewise.
122         (gen_enumeration_type_die): Likewise.
123         (gen_struct_or_union_type_die): Likewise.
124         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
125         the parent type.
126
127 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
128
129         PR middle-end/52419
130         * expr.c (expand_assignment): If doing misaligned store that doesn't
131         cover all mode bits, perform a RMW cycle.
132
133         PR tree-optimization/52429
134         * tree-parloops.c (separate_decls_in_region_debug): Return early
135         if var is LABEL_DECL.
136
137 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
138
139         PR tree-optimization/52424
140         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
141         calling dom_thread_across_edge.
142
143 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
144
145         * config/avr/avr.c: Move definition of TARGET macros to end of file.
146
147 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
148
149         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
150         * config/avr/avr.c (avr_output_bld): Remove unused function.
151         (avr_out_sbxx_branch): Use "%T" to print bit position.
152
153 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
154
155         * config/avr/avr.md: Untabify.
156
157 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
158
159         * config/avr/avr.md (eqne): New code iterator.
160         (*dec-and-branchsi): Use it in text peephole's condition.
161         (*dec-and-branchhi): Ditto.
162         (*dec-and-branchqi): Ditto.
163
164 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
165
166         PR target/49939
167         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
168         the device does not have the skip-bug.
169
170 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
171
172         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
173         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
174         -mpretend-cmove): New.
175
176 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
177
178         PR bootstrap/52397
179         * df.h (struct df_d): Adjust comment that hard_regs_live_count
180         doesn't count DEBUG_INSN refs.
181         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
182         for DEBUG_INSN refs.
183
184 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
185
186         Partially revert:
187
188         2012-02-20  Richard Guenther  <rguenther@suse.de>
189         PR tree-optimization/52298
190         * tree-vect-stmts.c (vectorizable_load): Properly use
191         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
192         outer loops.
193
194 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
195
196         PR middle-end/51752
197         * gimple.h (gimple_in_transaction): New.
198         (gimple_set_in_transaction): New.
199         (struct gimple_statement_base): Add in_transaction field.
200         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
201         transaction loads.
202         (tree_ssa_lim_initialize): Compute transaction bits.
203         * tree.h (compute_transaction_bits): Protoize.
204         * trans-mem.c (tm_region_init): Use the heap to store BB
205         auxilliary data.
206         (compute_transaction_bits): New.
207
208 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
209
210         * gcc.c (display_help): Document --help=common and sort entries
211         alphabetically.
212
213 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
214
215         * doc/install.texi: Document check-$LANG specific shortcuts
216
217 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
218
219         PR target/51534
220         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
221         and vcgtu.
222         * config/arm/arm_neon.h: Regenerate.
223         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
224         (neon_vcgeu): New insn.
225         (neon_vcgtu): Likewise.
226         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
227         (ops): Unsigned comparison intrinsics call a different
228         builtin.
229
230 2012-02-28  Richard Guenther  <rguenther@suse.de>
231
232         PR target/52407
233         * config/i386/i386.c (ix86_expand_vector_set): Fix element
234         ordering for the VEC_CONCAT for two element vectors for
235         V2SFmode, V2SImode and V2DImode.
236
237 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
238
239         PR target/49448
240         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
241         detecting big-endian triplets.
242
243 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
244
245         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
246         mode if there is no type information available.
247
248 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
249
250         PR tree-optimization/53207
251         * doc/invoke.texi: Document as experimental and relying on graphite.
252
253 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
254
255         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
256         of initializer to changes from r184614.
257         
258 2012-02-28  Richard Guenther  <rguenther@suse.de>
259
260         PR tree-optimization/52395
261         * tree-sra.c (build_ref_for_offset): Also look at the base
262         TYPE_ALIGN when figuring out the alignment of the replacement.
263
264 2012-02-28  Richard Guenther  <rguenther@suse.de>
265
266         PR tree-optimization/52402
267         * ipa-prop.c (ipa_modify_call_arguments): Properly use
268         mis-aligned types when creating the accesses at the call site.
269
270 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
271
272         * config/avr/builtins.def: New file.
273         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
274         * config/avr/avr.c (enum avr_builtin_id): Use it.
275         (avr_init_builtins): Use it. And use avr_bdesc.
276         (bdesc_1arg): Remove.
277         (bdesc_2arg): Remove.
278         (bdesc_3arg): Remove.
279         (struct avr_builtin_description): Add field n_args.
280         (avr_bdesc): New static variable using builtins.def.
281         (avr_expand_builtin): Use it.
282         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
283         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
284         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
285
286 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
287
288         PR target/52148
289         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
290         match only one single hard register with respective hard reg rtx.
291         (movmemx_<mode>): Ditto.
292         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
293         insn anatomy of movmem[x]_<mode>.
294         (avr_out_movmem): Same for printing assembler and operand usage.
295
296 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
297
298         PR target/49868
299         PR target/52261
300         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
301         address spaces located outside of device flash.
302
303         * config/avr/avr.h (base_arch_s): Remove field n_segments.
304         (mcu_type_s): Add field n_flash.
305         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
306         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
307         (AVR_MCU): Add N_FLASH argument.
308         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
309         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
310         macro __FLASH<n> if that address space makes sense for the device.
311         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
312         outside of target flash.
313         (avr_asm_named_section): Ditto.
314         (avr_asm_select_section): Ditto.
315         (avr_addr_space_convert): Ditto.
316         (avr_emit_movmemhi): Ditto.
317         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
318         address space is outside of device flash.
319         (avr_insert_attributes): Ditto.
320         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
321         avr_current_arch->n_segments.
322
323 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
324
325         PR target/52352
326         * config/i386/i386.md (*movabs<mode>_1): Enable only for
327         TARGET_LP64.
328         (*movabs<mode>_2): Likewise.
329
330 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
331
332         PR target/52375
333         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
334         s_register_operand in the test instead of REG_P.  Don't call
335         gen_reg_rtx if it won't be used.
336
337         PR tree-optimization/52376
338         * ipa-split.c (split_function): Ignore CLOBBER stmts.
339
340 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
341
342         * ifcvt.c (noce_get_condition): Check condition variable is not
343         small_register_classes_for_mode_p before accepting.
344
345 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
346
347         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
348
349 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
350
351         Revert:
352         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
353         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
354         tuning parameters.
355         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
356
357 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
358
359         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
360
361 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
362
363         * config/sh/predicates.md: Remove blank lines.
364         * config/sh/sh.c: Fix typos in comments.
365         * config/sh/constraints.md: Likewise.
366         * config/sh/sh.md: Remove blank lines.
367         Fix typos in comments.  Use ;; as comment characters.
368
369 2012-02-26  Walter Lee  <walt@tilera.com>
370
371         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
372         (replace_mov_pcrel_step2): Ditto.
373
374 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
375
376         PR debug/52001
377         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
378         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
379         and locs that reference values newer than the non-canonical value
380         at hand.  Return the canonical value as a worst case.
381         (memrefs_conflict_p): Walk canonical value's locs.
382
383         PR debug/52001
384         * cselib.c (preserve_only_constants): Rename to...
385         (preserve_constants_and_equivs): ... this.  Split out...
386         (invariant_or_equiv_p): ... this.  Preserve plus expressions
387         of other preserved expressions too.
388         (cselib_reset_table): Adjust.
389         * var-tracking.c (reverse_op): Use canonical value to build
390         reverse operation.
391
392 2012-02-23  Kai Tietz  <ktietz@redhat.com>
393
394         * config/i386/i386.c (ix86_delegitimize_address): Handle
395         UNSPEC_PCREL plus displacement.
396
397 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
398
399         PR target/52261
400         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
401         to test for unusedness in st X addressing.
402
403 2012-02-24  Richard Guenther  <rguenther@suse.de>
404
405         PR middle-end/52361
406         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
407         (is_gimple_reg_type): Move inline ...
408         * gimple.h (is_gimple_reg_type): ... here.
409
410 2012-02-24  Richard Guenther  <rguenther@suse.de>
411
412         PR middle-end/52361
413         * passes.c (execute_function_todo): When verifying SSA form
414         verify gimple form first.
415         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
416
417 2012-02-24  Richard Guenther  <rguenther@suse.de>
418
419         PR middle-end/52355
420         * fold-const.c (fold_addr_of_array_ref_difference): New function.
421         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
422
423 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
424
425         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
426
427 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
428
429         * tree-phinodes.c (make_phi_node): Mark static.
430         * tree-flow.h (make_phi_node): Remove extern decl.
431         * doc/gimple.texi (make_phi_node): Remove documentation.
432
433 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
434
435         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
436         * tree-ssa-sccvn.c (print_scc): Ditto.
437
438 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
439
440         * doc/passes.texi (Full redundancy elimination): Fix typo.
441
442 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
443
444         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
445
446 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
447
448         PR bootstrap/52287
449         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
450
451 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
452
453         PR c/52290
454         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
455
456 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
457
458         * config/avr/avr.md (code_stdname): Add ior, xor.
459         (xior): New code iterator.
460         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
461         (*<code_stdname><mode>qi.byte1-3): Ditto.
462
463 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
464
465         PR tree-optimization/52019
466         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
467         CLOBBER stmts.
468
469 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
470
471         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
472         HAVE_INITFINI_ARRAY to work around namespace pollution in
473         certain versions of newlib system headers.
474         * config.in: Regenerate.
475         * configure: Regenerate.
476         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
477         instead of HAVE_INITFINI_ARRAY.
478
479 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
480
481         PR target/52330
482         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
483         is not offsettable memory reference.
484
485 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
486
487         PR target/18145
488         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
489         setting avr_need_clear_bss_p for __gnu_lto* symbols.
490
491 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
492
493         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
494         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
495
496 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
497
498         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
499         library on Solaris 8 even without TLS support.
500         * configure: Regenerate.
501
502 2012-02-22  Richard Guenther  <rguenther@suse.de>
503
504         PR middle-end/52329
505         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
506         for GIMPLE_DEBUG stmts.
507
508 2012-02-22  Martin Jambor  <mjambor@suse.cz>
509
510         PR middle-end/51782
511         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
512         according to the base object.
513
514 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
515
516         PR rtl-optimization/50063
517         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
518         and 2 (8-bit SP) in operand 2.
519         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
520         setup to use movhi_sp_r instead of vanilla move to write SP.
521         Adjust REG_CFA notes to superseed unspec.
522         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
523         of vanilla move.
524         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
525         known to be off) only with TARGET_NO_INTERRUPTS. Never use
526         irq_state 1 (IRQ known to be on) here.
527
528 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
529
530         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
531         WORDS_BIG_ENDIAN.
532         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
533         assign_hard_reg): Likewise.
534
535 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
536
537         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
538
539 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
540
541         * config/avr/avr.md
542         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
543         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
544
545 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
546
547         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
548         prototype from here to...
549         * config/avr/avr.h: ...here.
550
551 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
552
553         PR target/52294
554         * thumb2.md (thumb2_shiftsi3_short): Split register and
555         immediate shifts.  For register shifts tie operands 0 and 1.
556         (peephole2 for above): Check that register-controlled shifts
557         have suitably tied operands.
558
559 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
560
561         PR target/52137
562         * config/i386/bdver1.md (bdver1_call, bdver1_push,
563         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
564         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
565         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
566         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
567         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
568         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
569         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
570         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
571         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
572         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
573         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
574         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
575         bdver1_ssevector_avx256_unaligned_load,
576         bdver1_ssevector_sse128_unaligned_load,
577         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
578         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
579         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
580         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
581         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
582         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
583         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
584         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
585         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
586         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
587         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
588         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
589         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
590         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
591         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
592         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
593         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
594         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
595         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
596         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
597         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
598         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
599         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
600         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
601         bdver1_ssediv_double_load, bdver1_ssediv_double,
602         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
603         Add "bdver2" attribute.
604
605 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
606
607         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
608         default if possible and not specified otherwise.
609
610 2012-02-21  Richard Guenther  <rguenther@suse.de>
611
612         PR middle-end/52314
613         * gimplify.c (create_tmp_from_val): Use the main variant type
614         for the type of the temporary we create.
615
616 2012-02-21  Richard Guenther  <rguenther@suse.de>
617
618         PR tree-optimization/52324
619         * gimplify.c (gimplify_expr): When re-gimplifying expressions
620         do not gimplify a MEM_REF address operand if it is already
621         in suitable form.
622
623 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
624
625         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
626         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
627
628 2012-02-21  Richard Guenther  <rguenther@suse.de>
629
630         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
631         nested_in_vect_loop.
632
633 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
634
635         PR tree-optimization/52318
636         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
637         vdef also to non-pure/const call stmts in the sequence.
638
639 2012-02-20  David S. Miller  <davem@davemloft.net>
640
641         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
642         don't use the "rd %pc" instruction on v9 for PIC register loads.
643
644 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
645
646         PR middle-end/52141
647         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
648         in a transaction safe function.
649
650 2012-02-20  Kai Tietz  <ktietz@redhat.com>
651
652         PR target/52238
653         * stor-layout.c (place_field): Handle desired_align for
654         ms-bitfields, too.
655
656 2012-02-20  Richard Guenther  <rguenther@suse.de>
657
658         PR tree-optimization/52298
659         * tree-vect-stmts.c (vectorizable_store): Properly use
660         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
661         outer loops.
662         (vectorizable_load): Likewise.
663         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
664         Access DR_STEP after ensuring it is not NULL.
665
666 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
667
668         PR tree-optimization/52286
669         * fold-const.c (fold_binary_loc): For (X & C1) | C2
670         optimization use double_int_to_tree instead of build_int_cst_wide,
671         rewrite to use double_int vars.
672
673 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
674
675         PR target/50166
676         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
677         Define _start.
678         Remove -e 0 from $gcc_cv_ld invocation.
679         Only use __GLIBC_PREREQ if defined.
680         Enable on Solaris since Solaris 8 patch.
681         (gcc_SUN_LD_VERSION): New macro.
682         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
683         gcc_SUN_LD_VERSION for version number format.
684         * configure: Regenerate.
685         * varasm.c (get_elf_initfini_array_priority_section): Set
686         SECTION_NOTYPE for non-default priority.
687         Use get_section instead of get_unnamed_section to emit
688         .init_array/.fini_array with default priority.
689
690 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
691
692         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
693         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
694         (mips_start_unique_function, mips_output_mips16_rdhwr)
695         (mips_code_end): New functions.
696         (TARGET_ASM_CODE_END): Define.
697
698 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
699
700         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
701         to stubs with non-sibling calls.
702
703 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
704
705         * doc/invoke.texi (-fira-* options): Copy-edit.
706         (ira-* parameters): Copy-edit.
707
708 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
709
710         * doc/invoke.texi: Minor copy-edits to bring into conformance with
711         GCC coding conventions.
712
713 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
714
715         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
716         when used as adjectives.
717
718 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
719
720         * doc/invoke.texi: Clean up "that"/"which" confusion.
721
722 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
723
724         * system.h: Poison SMALL_REGISTER_CLASSES
725         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
726         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
727
728 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
729
730         PR tree-optimization/52285
731         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
732         when deciding if a call is a tail call or tail recursion.
733
734 2012-02-16  Kai Tietz  <ktietz@redhat.com>
735
736         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
737         interger-constant displacement for UNSPEC_PCREL.
738
739 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
740
741         PR rtl-optimization/52208
742         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
743         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
744
745         PR tree-optimization/52255
746         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
747         loop->header has virtual PHI, but exit_e->dest doesn't, add
748         virtual PHI to exit_e->dest and adjust all uses after the loop.
749
750         PR debug/52260
751         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
752         children with clone_tree_hash, not after it.
753
754 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
755
756         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
757         extended identifiers.
758
759 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
760
761         PR middle-end/51929
762         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
763         a same_body_alias, also test whether e->callee isn't a former
764         or current clone of the decl this is a same body alias of.
765
766         PR translation/52264
767         * cgraphunit.c (verify_cgraph_node): Fix a typo.
768
769 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
770
771         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
772
773 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
774
775         PR target/52199
776         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
777         force_reg instead of copy_to_reg for better optimization.  Force
778         non-register or memory operands into a register.
779
780 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
781
782         * extend.texi: Reserve upper bits of memory model for future use.
783
784 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
785             Anatoly Sokolov <aesok@post.ru>
786             Eric Weddington <eric.weddington@atmel.com>
787
788         PR target/52261
789         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
790         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
791         Rewrite initializers for .macro.
792         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
793         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
794         atxmega32d4, atxmega32x1.
795         avrxmega4: atxmega64a3, atxmega64d3.
796         avrxmega5: atxmega64a1, atxmega64a1u.
797         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
798         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
799         avrxmega7: atxmega128a1, atxmega128a1u.
800         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
801         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
802         (struct base_arch_s): Rename reserved to xmega_p.
803         Rename reserved2 to have_rampd.
804         (AVR_XMEGA): New define.
805         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
806         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
807         * config/avr/predicates.md (io_address_operand): Take into
808         account SFR offset.
809         (low_io_address_operand): Ditto.
810         (high_io_address_operand): Ditto.
811         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
812         (enabled, movhi_sp_r): Use them.
813         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
814         cpp_define_formatted to built-in define __AVR_ARCH__.
815         (__AVR_XMEGA__): New built-in define.
816         (__AVR_HAVE_RAMPD__): New built-in define.
817         (__AVR_HAVE_RAMPX__): New built-in define.
818         (__AVR_HAVE_RAMPY__): New built-in define.
819         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
820
821         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
822         (avr_option_override): Initialize them.
823         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
824         (avr_init_expanders): Initialize them. No more block several calls.
825         (emit_push_sfr): New static function.
826         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
827         Handle AVR_XMEGA.
828         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
829         (avr_print_operand): Print addreeses as symbols for
830         RAMPX, RAMPY, RAMPD, CCP.
831         (output_movhi): Handle AVR_XMEGA when writing to SP.
832         (avr_out_movhi_mr_r_xmega): New static function.
833         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
834         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
835         __RAMPD__,  __CCP__ as needed.
836
837         * config/avr/multilib.h: Regenerate.
838         * config/avr/t-multilib: Regenerate.
839         * config/avr/avr-tables.opt: Regenerate.
840
841 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
842
843         PR tree-optimization/50561
844         * graphite-flattening.c (lst_project_loop): Do not
845         remove old scattering dimensions after flattening.
846         (lst_do_flatten): Likewise.
847
848 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
849
850         * doc/extend.texi (AVR Built-in Functions): Remove doc for
851         __builtin_avr_map8, __builtin_avr_map16.
852         Document __builtin_avr_insert_bits.
853
854         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
855         (insert_bits): New insn.
856         (adjust_len.map_bits): Rename to insert_bits.
857         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
858         * avr-protos.h (avr_out_map_bits): Remove.
859         (avr_out_insert_bits, avr_has_nibble_0xf): New.
860         * config/avr/constraints.md (Cxf,C0f): New.
861         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
862         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
863         New built-in define __BUILTIN_AVR_INSERT_BITS.
864         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
865         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
866         (avr_move_bits): Rewrite.
867         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
868         functions.
869         (avr_map_op_t): New typedef.
870         (avr_map_op): New static variable.
871         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
872         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
873         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
874         (bdesc_3arg, avr_expand_triop_builtin): New.
875         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
876         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
877         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
878         (avr_map_equal_p, avr_map_sig_p): Remove.
879         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
880         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
881         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
882         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
883         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
884         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
885
886 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
887
888         * config/c6x/c6x.md (reserve_cycles): New attribute.
889         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
890         don't reserve functional units after the branch occurs.
891
892 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
893
894         PR middle-end/52142
895         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
896         functions into non-tm_pure functions.
897
898 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
899
900         PR lto/52178
901         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
902         (iterative_hash_canonical_type): Likewise.
903         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
904         the dead edges.
905
906 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
907
908         * haifa-sched.c (prune_ready_list): Ensure that if there is a
909         sched-group insn, it either remains alone or the entire list is pruned.
910
911 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
912
913         * doc/install.texi (Prerequisites): Fix grammar.
914         (Configuration): Likewise.
915
916 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
917
918         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
919         MPC as part of GCC before describing configuring with --with-gmp etc.
920         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
921         sources are present.
922
923 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
924
925         PR debug/51950
926         * dwarf2out.c (clone_tree_hash): New function.
927         (copy_decls_walk): Use it instead of clone_tree.
928
929 2012-02-14  Richard Guenther  <rguenther@suse.de>
930
931         PR tree-optimization/52244
932         PR tree-optimization/51528
933         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
934         replacements for integral types.
935
936 2012-02-14  Walter Lee  <walt@tilera.com>
937
938         * config.gcc: Handle tilegx and tilepro.
939         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
940         tilegx and tilepro.
941         Add HAVE_AS_TLS check for tilegx and tilepro.
942         * configure: Regenerate.
943         * doc/contrib.texi: Add Mat Hostetter and self.
944         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
945         Document instruction intrinsics and network accessing intrinsics.
946         (TILEPro Built-in Functions): New node.  Document instruction
947         intrinsics and network accessing intrinsics.
948         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
949         (Specific, tilepro-*-linux*): Likewise.
950         * doc/invoke.texi (TILE-Gx Options): New section.
951         (TILEPro Options): New section.
952         * doc/md.texi (TILE-Gx): New section.
953         (TILEPro): New section.
954         * common/config/tilegx/tilegx-common.c: New file.
955         * common/config/tilepro/tilepro-common.c: New file.
956         * config/tilegx/constraints.md: New file.
957         * config/tilegx/linux.h: New file.
958         * config/tilegx/mul-tables.c: New file.
959         * config/tilegx/predicates.md: New file.
960         * config/tilegx/sync.md: New file.
961         * config/tilegx/t-tilegx: New file.
962         * config/tilegx/tilegx-builtins.h: New file.
963         * config/tilegx/tilegx-c.c: New file.
964         * config/tilegx/tilegx-generic.md: New file.
965         * config/tilegx/tilegx-modes.def: New file.
966         * config/tilegx/tilegx-multiply.h: New file.
967         * config/tilegx/tilegx-protos.h: New file.
968         * config/tilegx/tilegx.c: New file.
969         * config/tilegx/tilegx.h: New file.
970         * config/tilegx/tilegx.md: New file.
971         * config/tilegx/tilegx.opt: New file.
972         * config/tilepro/constraints.md: New file.
973         * config/tilepro/gen-mul-tables.cc: New file.
974         * config/tilepro/linux.h: New file.
975         * config/tilepro/mul-tables.c: New file.
976         * config/tilepro/predicates.md: New file.
977         * config/tilepro/t-tilepro: New file.
978         * config/tilepro/tilepro-builtins.h: New file.
979         * config/tilepro/tilepro-c.c: New file.
980         * config/tilepro/tilepro-generic.md: New file.
981         * config/tilepro/tilepro-modes.def: New file.
982         * config/tilepro/tilepro-multiply.h: New file.
983         * config/tilepro/tilepro-protos.h: New file.
984         * config/tilepro/tilepro.c: New file.
985         * config/tilepro/tilepro.h: New file.
986         * config/tilepro/tilepro.md: New file.
987         * config/tilepro/tilepro.opt: New file.
988
989 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
990
991         PR tree-optimization/52210
992         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
993         vect_model_simple_cost with two entry vect_def_type array instead
994         of an address of dt.
995
996 2012-02-14  Richard Guenther  <rguenther@suse.de>
997
998         PR lto/52178
999         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
1000         Do not stream DECL_QUALIFIER.
1001         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
1002         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
1003         (find_decls_types_r): Do not walk DECL_QUALIFIER.
1004
1005 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR c/52181
1008         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
1009         newdecl.
1010
1011 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1012
1013         PR bootstrap/52172
1014         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
1015         * cselib.c (cselib_subst_to_values_from_insn): New function.
1016         * sched-deps.c (add_insn_mem_dependence,
1017         sched_analyze_1, sched_analyze_2): Use it.
1018
1019 2012-02-13  Jan Hubicka  <jh@suse.cz>
1020
1021         PR middle-end/52214
1022         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
1023
1024 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
1025
1026         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
1027         (GTM_SELF_SPECS): Define if not already defined.
1028         (driver_self_specs): Add GTM_SELF_SPECS.
1029         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
1030         (GTM_SELF_SPECS): Define.
1031         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
1032         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
1033
1034 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1035
1036         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
1037         away if seen.
1038
1039         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
1040
1041         PR middle-end/52230
1042         * omp-low.c (expand_omp_for): If a static schedule without chunk size
1043         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
1044
1045 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
1046
1047         PR c/52190
1048         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
1049
1050 2012-02-13  Richard Guenther  <rguenther@suse.de>
1051
1052         PR translation/52211
1053         * passes.c (enable_disable_pass): Fix typo.
1054
1055 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
1056
1057         PR middle-end/52209
1058         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
1059         XOR for reduce_bit_field if type is unsigned.
1060
1061 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1062
1063         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
1064         disallow changes from SFmode to mode with different size in FP regs.
1065
1066 2012-02-12  Robert Millan  <rmh@gnu.org>
1067             Gerald Pfeifer <gerald@pfeifer.com>
1068
1069         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
1070         Tweak comment.
1071
1072 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
1073
1074         PR rtl-optimization/52175
1075         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
1076         to frame-related instructions.
1077
1078 2012-02-10  Jason Merrill  <jason@redhat.com>
1079
1080         PR c++/51910
1081         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
1082         (demangle_new_symbols): Fill it.
1083         (scan_linker_output): Walk it.
1084         (start_tweaking): Split out from scan_linker_output.
1085         (maybe_tweak): Update sym->chosen.
1086         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
1087
1088 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
1089
1090         PR debug/52132
1091         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
1092
1093 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
1094
1095         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1096         having the same mode as previous compare.
1097
1098 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1099
1100         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
1101         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
1102         (nonlocal_goto_internal): Likewise.
1103         (nonlocal_goto): Emit a use and an indirect jump directly.
1104
1105 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
1106
1107         PR c/52190
1108         * doc/extend.texi : Update comments for __atomic_compare_exchange and
1109         __atomic_{is,always}_lock_free.
1110
1111 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
1112
1113         PR target/52146
1114         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
1115         negative constant address for x32.
1116
1117 2012-02-10  Richard Henderson  <rth@redhat.com>
1118
1119         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
1120         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
1121         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
1122
1123 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1124             Ira Rosen  <irar@il.ibm.com>
1125
1126         PR tree-optimization/50031
1127         * targhooks.c (default_builtin_vectorization_cost): Handle
1128         vec_promote_demote.
1129         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
1130         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
1131         all types of reduction and pattern statements.
1132         (vect_estimate_min_profitable_iters): Likewise.
1133         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
1134         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
1135         for explicit realigns.
1136         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
1137         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
1138         vec_promote_demote.
1139         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
1140         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
1141         vec_perm for VSX and handle vec_promote_demote.
1142
1143 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
1144
1145         PR middle-end/52177
1146         * builtins.c (fold_builtin_atomic_always_lock_free,
1147         expand_builtin_atomic_always_lock_free,
1148         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
1149         Return and/or test boolean_true_node/boolean_false_node instead of
1150         integer_one_node/integer_zero_node.
1151
1152 2012-02-10  Jan Hubicka  <jh@suse.cz>
1153
1154         PR middle-end/48600
1155         * predict.c (predict_paths_for_bb): Prevent looping.
1156         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
1157
1158 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
1159
1160         * config/arm/arm.c (output_move_double): In one case properly
1161         count number of instructions that will be emitted.
1162
1163 2012-02-10  Richard Guenther  <rguenther@suse.de>
1164
1165         PR translation/52193
1166         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
1167
1168 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
1169
1170         PR middle-end/52140
1171         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
1172
1173 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
1174
1175         PR debug/52165
1176         * var-tracking.c (emit_note_insn_var_location): If
1177         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
1178         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
1179         non-NOTE_DURING_CALL_P insn.
1180
1181 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
1182
1183         PR middle-end/51867
1184         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
1185
1186 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
1187
1188         PR driver/48524
1189         * gcc.c (switch_matches) Support switches with separated form,
1190         -D and -U.
1191
1192 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
1193
1194         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
1195         (SP_ADDR): Ditto.
1196         (RAMPZ_ADDR): Ditto.
1197         * config/avr/avr.c (avr_addr_t): New typedef.
1198         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
1199         (avr_init_expanders): Initialize it.
1200         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
1201         SREG_ADDR.
1202         (expand_epilogue): Ditto.
1203         (avr_print_operand): Ditto.
1204         (avr_file_start): Ditto.
1205         (avr_emit_movmemhi): Ditto.
1206
1207 2012-02-08  Richard Guenther  <rguenther@suse.de>
1208
1209         PR tree-optimization/46886
1210         * tree-flow.h (do_while_loop_p): Declare.
1211         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
1212         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
1213
1214 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
1215
1216         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
1217         always succeed for integers larger than a native word.
1218
1219 2012-02-08  Richard Guenther  <rguenther@suse.de>
1220
1221         PR rtl-optimization/52170
1222         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
1223         properly handle integer vector modes.
1224
1225 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
1226
1227         PR gcov-profile/52150
1228         * coverage.c: Include target.h.
1229         (build_var): Call targetm.strip_name_encoding on the assembler name.
1230         Change one _ into . or $ if the target allows it.
1231         * Makefile.in (coverage.o): Depend on $(TARGET_H).
1232
1233         PR rtl-optimization/52139
1234         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
1235         is a BARRIER after emit_insn_after_noloc, move BB_END
1236         to the last non-BARRIER insn before it.
1237
1238 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
1239
1240         PR middle-end/24306
1241         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
1242         (mips_gimplify_va_arg_expr): Call it instead of
1243         std_gimplify_va_arg_expr.
1244
1245 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1246
1247         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
1248         message for -mno-pointers-to-nested-function.
1249
1250 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
1251
1252         PR middle-end/51994
1253         * expr.c (get_inner_reference): If there is an offset, add a negative
1254         bit position to it (if any).
1255
1256 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1257
1258         PR rtl-optimization/52060
1259         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
1260         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
1261         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
1262         and/or i0src_copy2 when needed.
1263
1264 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1265
1266         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
1267         or LTOPLUGINSONAME if have_c.
1268
1269         * config/freebsd-spec.h: Add comment about what macros can be defined
1270         in this header.
1271         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
1272         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
1273         here instead.
1274
1275 2012-02-07  Richard Guenther  <rguenther@suse.de>
1276
1277         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
1278         newline in -alias dumps.
1279
1280 2012-02-07  Kai Tietz  <ktietz@redhat.com>
1281             Dave Korn  <dave.korn.cygwin@gmail.com>
1282
1283         PR target/40068
1284         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1285         Take care that typinfo gets dllexport-attribute.
1286
1287 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
1288
1289         PR middle-end/52074
1290         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
1291         if modifier < EXPAND_SUM call force_operand on the result.
1292
1293 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
1294
1295         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
1296         adding __forwarder_dst__ prefix if a forwarder_section attribute is
1297         present.
1298         (epiphany_function_type): Replace types for specific interrupts with
1299         EPIPHANY_FUNCTION_INTERRUPT.
1300         (EPIPHANY_INTERRUPT_P): Update.
1301         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
1302         New static function.
1303         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
1304         <disinterrupt>: Affects type identity.
1305         (epiphany_handle_interrupt_attribute): Handle variable number of
1306         arguments.
1307         (epiphany_compute_function_type): Update for new
1308         epiphany_function_type definition.
1309         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
1310         handlers with a longcall forwarder.
1311         (epiphany_start_function): Handle multiple interrupt arguments and/or
1312         forwarder_section attribute.
1313
1314         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
1315         libgloss.
1316
1317 2012-02-07  Alan Modra  <amodra@gmail.com>
1318
1319         PR target/52107
1320         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
1321         subregs of TFmode.
1322
1323 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1324
1325         PR tree-optimization/50969
1326         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
1327         use vec_perm rather than vector_stmt.
1328         (vect_model_load_cost): Likewise.
1329         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
1330         vec_perm to be the same as other vector statements.
1331         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
1332         cost of vec_perm for TARGET_VSX.
1333
1334 2012-02-06  Richard Guenther  <rguenther@suse.de>
1335
1336         PR tree-optimization/52115
1337         * tree-sra.c (access_has_replacements_p): New function.
1338         (sra_modify_assign): Use it to decide whether a use is uninitialized.
1339
1340 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
1341
1342         PR middle-end/52047
1343         * trans-mem.c (expand_call_tm): Add an assertion.
1344         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
1345         functions.
1346
1347 2012-02-06  Richard Guenther  <rguenther@suse.de>
1348
1349         PR tree-optimization/50955
1350         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
1351         raise cost of expressions that replace an address with an
1352         expression based on a different pointer.
1353
1354 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
1355
1356         PR target/52129
1357         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
1358         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
1359
1360 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
1361
1362         PR c++/48680
1363         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
1364         -Weffc++ and specify guidelines come from second edition.
1365
1366 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1367
1368         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
1369         (sibcall_value_multiple_internal, call_split, call_internal_direct)
1370         (call_direct_split, call_value_split, call_value_internal_direct)
1371         (call_value_direct_split, call_value_multiple_split): Use jal and
1372         jal_macro attributes.
1373
1374 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
1375
1376         * reload1.c (reload_regs_reach_end_p): Replace with...
1377         (reload_reg_rtx_reaches_end_p): ...this function.
1378         (new_spill_reg_store): Update commentary.
1379         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
1380         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
1381         before setting new_spill_reg_store.
1382         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
1383         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
1384         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
1385         for non-spill reload registers.
1386
1387 2012-02-05  Ira Rosen  <irar@il.ibm.com>
1388
1389         PR tree-optimization/52091
1390         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
1391         (vect_is_simple_use_1): Likewise.
1392         * tree-vect-loop.c (vectorizable_reduction): Update calls
1393         to vect_is_simple_use_1 and vect_is_simple_use.
1394         (vectorizable_live_operation): Likewise.
1395         * tree-vect-patterns.c (widened_name_p,
1396         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
1397         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
1398         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
1399         vectorizable_shift,vectorizable_operation, vectorizable_store,
1400         vectorizable_load): Likewise.
1401         (vect_is_simple_cond): Add an argument, pass it to
1402         vect_is_simple_use_1.
1403         (vectorizable_condition): Update calls to vect_is_simple_cond,
1404         vect_is_simple_use.
1405         (vect_is_simple_use): Add an argument, the statement in which
1406         OPERAND is used.  Check that if OPERAND's def stmt is a double
1407         reduction phi node, the use is a phi node too.
1408         (vect_is_simple_use_1): Add an argument, pass it to
1409         vect_is_simple_use.
1410         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
1411         to vect_is_simple_use.
1412
1413 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
1414
1415         PR rtl-optimization/52095
1416         * modulo-sched.c (dump_insn_locator): New function.
1417         (loop_canon_p, sms_schedule): Use it.
1418
1419         PR rtl-optimization/52113
1420         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
1421         even for decomposable shift/zext insns.
1422
1423 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
1424             Zdenek Dvorak  <ook@ucw.cz>
1425
1426         PR rtl-optimization/52092
1427         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
1428         on get_iv_value result.
1429
1430 2012-02-02  Andrew Pinski  <apinski@cavium.com>
1431
1432         PR middle-end/47982
1433         PR middle-end/43967
1434         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
1435
1436 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR middle-end/48071
1439         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
1440
1441 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
1442
1443         PR rtl-optimization/49800
1444         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
1445         (sched_finish): Call regstat_free_n_sets_and_refs.
1446
1447 2012-02-02  Jia Liu  <proljc@gmail.com>
1448
1449         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
1450         than operand 2.
1451
1452 2012-02-02  Jan Hubicka  <jh@suse.cz>
1453             Tom de Vries  <tom@codesourcery.com>
1454
1455         PR middle-end/51998
1456         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
1457         * varpool.c (varpool_analyze_pending_decls): Likewise.
1458
1459 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
1460             Jayant R Sonar <jayant.sonar@kpitcummins.com>
1461
1462         * config.gcc: Add cr16-* support.
1463
1464         * doc/extend.texi: Document cr16 extensions.
1465         * doc/install.texi: Document cr16 install.
1466         * doc/invoke.texi: Document cr16 options.
1467         * doc/md.texi: Document cr16 constraints.
1468
1469         * common/config/cr16/cr16-common.c: New file.
1470         * config/cr16/cr16.c: New file.
1471         * config/cr16/cr16.h: New file.
1472         * config/cr16/cr16.md: New file.
1473         * config/cr16/cr16.opt: New file.
1474         * config/cr16/cr16-protos.h: New file.
1475         * config/cr16/predicates.md: New file.
1476         * config/cr16/constraints.md: New file.
1477         * config/cr16/t-cr16: New file.
1478
1479 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
1480
1481         PR target/52086
1482         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
1483         that operands[2] is either immediate, or q_regs_operand.
1484
1485         PR tree-optimization/52073
1486         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
1487         a pattern stmt for pattern uses, ignore uses outside of the loop.
1488
1489 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1490
1491         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
1492         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
1493         (OUT_AS1, OUT_AS2): Remove.
1494
1495 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
1496
1497         PR rtl-optimization/51374
1498         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
1499         to cross other volatile_refs_p insns.
1500
1501 2012-02-01  Richard Guenther  <rguenther@suse.de>
1502
1503         * doc/invoke.texi (fno-inline): Clarify documentation.
1504         (finline-small-functions): Likewise.
1505         (finline-functions): Likewise.
1506         * common.opt (finline): Adjust comment and documentation.
1507         (finline-small-functions): Clarify documentation.
1508         (finline-functions): Likewise.
1509         (finline-functions-called-once): Likewise.
1510
1511 2012-02-01  Tristan Gingold  <gingold@adacore.com>
1512
1513         * c-typeck.c (composite_type): Keep mode for pointers.
1514
1515 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
1516
1517         * function.h (regno_reg_rtx): Adjust comment.
1518         * reginfo.c (init_reg_modes_target): Only use the previous mode
1519         if it fits within one register.  Remove MIPS comment.
1520
1521 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1522
1523         PR bootstrap/52058
1524         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
1525
1526 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1527
1528         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
1529         to srak instruction.
1530
1531 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1532
1533         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
1534
1535 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1536
1537         PR bootstrap/52041
1538         PR bootstrap/52039
1539         PR target/51974
1540         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
1541
1542 2012-01-31  Richard Guenther  <rguenther@suse.de>
1543
1544         PR tree-optimization/51528
1545         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
1546         assigns.
1547
1548 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
1549
1550         PR bootstrap/52041
1551         PR bootstrap/52039
1552         PR target/51974
1553         * ree.c (add_removable_extension): Change def_map argument
1554         to unsigned *, store in def_map 1 + offset into *insn_list vector
1555         instead of pointers into the vector.
1556         (find_removable_extensions): Adjust caller.
1557
1558 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1559
1560         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
1561         Transform all "* quoted-c-code" to { c-code }.
1562         Remove redundant test for "optimize" in combine patterns.
1563         Move (include "avr-dimode.md") to end of file.
1564
1565 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
1566
1567         PR target/51835
1568         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
1569         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
1570
1571 2012-01-30  Richard Guenther  <rguenther@suse.de>
1572
1573         PR tree-optimization/52028
1574         * tree-loop-distribution.c (ldist_gen): Properly update
1575         virtual SSA form.
1576
1577 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
1578
1579         PR debug/52027
1580         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
1581         set_cur_line_info_table if not emitting debug info.
1582
1583         PR tree-optimization/52046
1584         * tree-vect-patterns.c (check_bool_pattern): Give up if
1585         a comparison could throw.
1586
1587         PR debug/52048
1588         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
1589
1590 2012-01-30  Richard Guenther  <rguenther@suse.de>
1591
1592         PR tree-optimization/52045
1593         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
1594         SSA form if cfgcleanup did anything.
1595
1596 2012-01-30  Richard Guenther  <rguenther@suse.de>
1597
1598         PR tree-optimization/52045
1599         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
1600         before computing final todo.
1601
1602 2012-01-30  Richard Guenther  <rguenther@suse.de>
1603
1604         PR tree-optimization/51528
1605         * tree-sra.c (sra_modify_assign): Re-factor in preparation
1606         for PR51528 fix.
1607
1608 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
1609
1610         * df-problems.c (df_kill_notes): Check that the use refers
1611         to the note under examination.
1612
1613 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
1614
1615         PR target/51920
1616         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
1617         parameter and use short-lived pseudos.
1618         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
1619         (sparc_expand_vector_init): Const-ify local variables and adjust
1620         calls to above functions.
1621
1622 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
1623
1624         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
1625
1626 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
1627
1628         * doc/invoke.texi: Make usage of "compile time" and
1629         "run time"/"runtime" consistent throughout the file.
1630
1631 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
1632
1633         * config/alpha/alpha.c (alpha_option_override): Default to
1634         full IEEE compliance mode for Go language.
1635
1636 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
1637
1638         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
1639         (LINK_SSP_SPEC): Define.
1640
1641 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1642
1643         PR target/51871
1644         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
1645         stubs.
1646
1647 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
1648
1649         * doc/invoke.texi: Correct hyphenation of "floating point",
1650         "double precision", and related terminology throughout the file.
1651
1652 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
1653
1654         PR target/52006
1655         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
1656         arm_general_register_operand predicate for operand 2 instead of
1657         register_operand.
1658
1659 2012-01-27  Ian Lance Taylor  <iant@google.com>
1660
1661         PR go/47656
1662         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
1663         * builtins.c (expand_builtin_init_trampoline): Add onstack
1664         parameter.  Change caller.
1665         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
1666         * tree.c (build_common_builtin_nodes): Declare
1667         __builtin_init_heap_trampoline.
1668
1669 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
1670
1671         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
1672         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
1673         * config/avr/avr.c: Ditto.
1674         (avr_regnames): Remove because unused.
1675         * config/avr/avr.md (*cpse.ne): New peephole.
1676         (*cpse.eq): New peephole from former cpse peepholes.
1677
1678 2012-01-27  Michael Eager  <eager@eagercon.com>
1679
1680         * config/microblaze.c (microblaze_emit_compare): Correct
1681         test after pcmp instruction.
1682
1683 2012-01-27  Richard Guenther  <rguenther@suse.de>
1684
1685         PR tree-optimization/52020
1686         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
1687
1688 2012-01-27  Richard Guenther  <rguenther@suse.de>
1689
1690         * ipa-pure-const.c (check_stmt): Clobbers do not make a
1691         function non-const/pure.
1692
1693 2012-01-27  Richard Guenther  <rguenther@suse.de>
1694
1695         PR tree-optimization/50444
1696         * tree-sra.c (build_ref_for_offset): Properly adjust the
1697         MEM_REF type for unaligned accesses.
1698
1699 2012-01-27  Richard Guenther  <rguenther@suse.de>
1700
1701         PR tree-optimization/50444
1702         * expr.c (mem_ref_refers_to_non_mem_p): New function.
1703         (expand_assignment): Use it.  Properly handle misaligned
1704         bases when expanding stores to component references.
1705         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
1706         refactor that case.
1707
1708 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
1709
1710         PR middle-end/51389
1711         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
1712         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
1713         * tree-data-ref.c (find_data_references_in_loop): Make static.
1714         (compute_all_dependences): Change return type to bool.  Bail out
1715         for too many datarefs in a loop.  Move the hunk resetting the data
1716         dependences vector from ...
1717         (compute_data_dependences_for_loop): ... here.  Account for
1718         compute_all_dependences returning false.
1719         (compute_data_dependences_for_bb): Likewise.
1720         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
1721         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
1722
1723 2012-01-27  Richard Guenther  <rguenther@suse.de>
1724
1725         PR middle-end/51959
1726         * expr.c (store_field): Use the alias-set of the scratch memory
1727         for storing to it.
1728
1729 2012-01-27  Tom de Vries  <tom@codesourcery.com>
1730
1731         PR tree-optimization/51990
1732         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
1733         WITH_SIZE_EXPR.
1734         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
1735
1736 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
1737
1738         PR debug/52001
1739         * var-tracking.c (reverse_op): Don't add any reverse operation
1740         if V already has any constant locations.
1741
1742 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1743
1744         * doc/invoke.texi: Correct usage of "command line" (noun)
1745         vs "command-line" (adjective) throughout.
1746
1747 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
1748
1749         * doc/invoke.texi (Language Independent Options): Move
1750         -Wcoverage-mismatch blurb from here....
1751         (Warning Options): ...to here.
1752
1753 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
1754
1755         * config/rs6000/rs6000.c (rs6000_option_override_internal):
1756         Set rs6000_always_hint to false for 476.
1757
1758 2012-01-27  Matthias Klose  <doko@ubuntu.com>
1759
1760         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
1761           system root.
1762         * incpath.c (add_standard_paths): Likewise.
1763
1764 2012-01-27  Richard Henderson  <rth@redhat.com>
1765
1766         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1767         * config/m68k/sync.md (atomic_test_and_set): Rename from
1768         sync_test_and_setqi and adjust the operands.
1769         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
1770         and unconditionally enable.
1771
1772 2012-01-27  Richard Henderson  <rth@redhat.com>
1773
1774         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1775         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
1776         (ldstub): Rename from ldstubqi.
1777         (ldstub<I24MODE>): Remove.
1778
1779 2012-01-27  Richard Henderson  <rth@redhat.com>
1780
1781         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
1782         * c-cppbuiltin.c (cpp_atomic_builtins): Define
1783         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
1784         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
1785         * doc/tm.texi: Rebuild.
1786
1787 2012-01-27  Richard Henderson  <rth@redhat.com>
1788
1789         * optabs.c (gen_atomic_test_and_set): Remove default.
1790         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
1791
1792 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR rtl-optimization/51978
1795         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
1796         (combine_reaching_defs): Likewise.
1797         (struct re_info): Remove.
1798         (add_removable_extension): Remove x and data arguments,
1799         add insn, insn_list and def_map.  Use the arguments directly
1800         instead of using struct re_info.
1801         (find_removable_extensions): Don't call add_removable_extension
1802         through note_stores, instead just call it with single_set
1803         result if non-NULL.
1804         (find_and_remove_re): Pass curr_cand->expr instead of
1805         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
1806
1807 2012-01-26  Michael Matz  <matz@suse.de>
1808
1809         PR tree-optimization/46590
1810         * cfgexpand.c: Revert last change (r183305).
1811         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
1812         regs.
1813         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
1814         checking for emptiness.
1815
1816 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
1817
1818         PR middle-end/51895
1819         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
1820         non-addressable non-BLKmode base correctly.
1821
1822 2012-01-26  Michael Matz  <matz@suse.de>
1823
1824         PR tree-optimization/48794
1825         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
1826         regions referenced from RESX/EH_DISPATCH.
1827
1828 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1829
1830         * config/s390/s390.h: Make BRANCH_COST an option.
1831         * config/s390/s390.opt: New option -mbranch-cost.
1832
1833 2012-01-26  Richard Henderson  <rth@redhat.com>
1834
1835         Revert 2012-01-24 change:
1836         * trans-mem.c (requires_barrier): Do not instrument thread local
1837         variables and emit save/restore for them.
1838
1839 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1840
1841         PR middle-end/51986
1842         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
1843         for pat == 0.
1844
1845 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
1846
1847         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
1848         ASM_OPERANDS.
1849
1850 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
1851
1852         PR target/49868
1853         Rename __pgm to __flash.
1854         Rename __pgm1 to __flash1.
1855         Rename __pgm2 to __flash2.
1856         Rename __pgm3 to __flash3.
1857         Rename __pgm4 to __flash4.
1858         Rename __pgm5 to __flash5.
1859         Rename __pgmx to __memx.
1860         * doc/extend.texi (AVR Named Address Spaces)
1861         Rename address space names as indicated above.
1862         * config/avr/avr.c (avr_addrspace): Ditto.
1863
1864         * config/avr/avr-protos.h
1865         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
1866         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
1867         * config/avr/predicates.md: Ditto.
1868         * config/avr/avr.c Ditto, and
1869         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
1870         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
1871
1872         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
1873         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
1874         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
1875         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
1876         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
1877         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
1878         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
1879         * config/avr/avr.c: Ditto.
1880         * config/avr/avr.md: Ditto.
1881
1882 2012-01-25  Jason Merrill  <jason@redhat.com>
1883
1884         PR c++/51992
1885         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
1886
1887 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
1888
1889         PR tree-optimization/51987
1890         * tree-data-ref.c (get_references_in_stmt): Handle references in
1891         non-volatile GIMPLE_ASM.
1892
1893 2012-01-25  Richard Guenther  <rguenther@suse.de>
1894
1895         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
1896         bases are dereferenced.
1897
1898 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1899
1900         PR rtl-optimization/48374
1901         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
1902
1903 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
1904
1905         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
1906         compute_data_dependences_for_loop returns false.
1907         * tree-parloops.c (loop_parallel_p): Likewise.
1908
1909 2012-01-25  Richard Guenther  <rguenther@suse.de>
1910
1911         * tree.h (get_pointer_alignment_1): Declare.
1912         * builtins.c (get_pointer_alignment_1): New function.
1913         (get_pointer_alignment): Use it.
1914
1915 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
1916
1917         PR rtl-optimization/48308
1918         * combine.c (enum undo_kind): Add UNDO_LINKS.
1919         (struct undo): Add member l to other_contents and where.
1920         (do_SUBST_LINK): New.
1921         (SUBST_LINK): New.
1922         (try_combine): Handle LOG_LINKS for the dummy i1 case.
1923         (undo_all): Handle UNDO_LINKS.
1924
1925 2012-01-25  Richard Henderson  <rth@redhat.com>
1926
1927         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1928         mem inputs.
1929
1930 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1931
1932         * optabs.c (gen_atomic_test_and_set): Use each argument.
1933
1934 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1935
1936         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1937         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1938         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1939         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1940         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1941         TARGET_PAIRED_SINGLE_FLOAT.
1942
1943 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1944
1945         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1946         (in_struct, return_val): Remove MEM documentation.
1947         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1948         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1949         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1950         and MEM_SCALAR.
1951         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1952         * cfgexpand.c (add_alias_set_conflicts): Likewise.
1953         * expr.c (store_field): Likewise.
1954         * function.c (assign_stack_temp_for_type): Likewise.
1955         * ifcvt.c (noce_try_cmove_arith): Likewise.
1956         * reload1.c (reload): Likewise.
1957         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1958         (alpha_set_memflags): Likewise.
1959         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1960
1961 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
1962
1963         * rtl.h (true_dependence, canon_true_dependence): Remove varies
1964         parameter.
1965         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1966         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1967         (true_dependence_1, true_dependence, canon_true_dependence): Remove
1968         varies parameter.
1969         * cselib.c (cselib_rtx_varies_p): Delete.
1970         (cselib_invalidate_mem): Update call to canon_true_dependence.
1971         * dse.c (record_store, check_mem_read_rtx): Likewise.
1972         (scan_reads_nospill): Likewise.
1973         * cse.c (check_dependence): Likewise.
1974         (cse_rtx_varies_p): Delete.
1975         * expr.c (safe_from_p): Update call to true_dependence.
1976         * ira.c (validate_equiv_mem_from_store): Likewise.
1977         (memref_referenced_p): Likewise.
1978         * postreload-gcse.c (find_mem_conflicts): Likewise.
1979         * sched-deps.c (sched_analyze_2): Likewise.
1980         * store-motion.c (load_kills_store): Likewise.
1981         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1982         * gcse.c (mems_conflict_for_gcse_p): Likewise.
1983         (compute_transp): Update call to canon_true_dependence.
1984
1985 2012-01-25  Richard Henderson  <rth@redhat.com>
1986
1987         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1988         (maybe_emit_atomic_test_and_set): New.
1989         (expand_sync_lock_test_and_set): Use it.
1990         (expand_atomic_test_and_set): Likewise.
1991         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1992         the implementation; clarify implementation defined details.
1993         * doc/md.texi (atomic_test_and_set): Document.
1994
1995 2012-01-25  Richard Henderson  <rth@redhat.com>
1996
1997         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1998
1999 2012-01-25  Richard Henderson  <rth@redhat.com>
2000
2001         PR target/51968
2002         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
2003         to effect no-op split.
2004
2005 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2006
2007         PR lto/51698
2008         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
2009         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
2010         (BT_FN_VOID_PTR_INT_SIZE): New.
2011         (BT_FN_UINT_UINT_VAR): Remove.
2012         (BT_FN_UINT32_UINT32_VAR): New.
2013         (BT_FN_DOUBLE_VPTR): Remove.
2014         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
2015
2016         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
2017         (_ITM_changeTransactionMode): Same.
2018         (_ITM_memmoveRtWt): Change return type to void.
2019         (_ITM_memcpyRtWt): Same.
2020         (_ITM_memsetW): Same.
2021         (_ITM_RaRD): Change types to double.
2022         (_ITM_RD): Same.
2023         (_ITM_RaWD): Same.
2024         (_ITM_RfWD): Same.
2025
2026         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
2027
2028 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2029             Patrick Marlier  <patrick.marlier@gmail.com>
2030
2031         * trans-mem.c (requires_barrier): Do not instrument thread local
2032         variables and emit save/restore for them.
2033
2034 2012-01-24  Jason Merrill  <jason@redhat.com>
2035
2036         PR c++/51812
2037         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
2038         output static aliases.
2039
2040 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR driver/47249
2043         * common.opt (-pie, -shared, pie, shared): Change from Common to
2044         Driver.
2045         * gcc.c (display_help): Display help for -pie and -shared.
2046
2047 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
2048
2049         PR target/49868
2050         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
2051         Remove note on size/offset limitation.
2052         (AVR Variable Attributes): Add example how to read data located
2053         with progmem.  Refer to named address spaces.
2054         * doc/invoke.texi (AVR Options): Fix typo.
2055
2056 2012-01-24  Richard Guenther  <rguenther@suse.de>
2057
2058         Forward-port to trunk
2059         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
2060
2061         PR middle-end/45678
2062         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
2063         op0 isn't sufficiently aligned and there is movmisalignM
2064         insn for mode, use it to load op0 into a temporary register.
2065
2066 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
2067
2068         PR target/51957
2069         * target.def (const_not_ok_for_debug_p): New hook.
2070         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
2071         documentation.
2072         * doc/tm.texi: Regenerated.
2073         * dwarf2out.c (const_ok_for_output_1): If
2074         targetm.const_not_ok_for_debug_p returns true, fail.
2075         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
2076         function.
2077         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
2078
2079 2012-01-23  Kai Tietz  <ktietz@redhat.com>
2080
2081         PR target/51900
2082         * config/i386/predicates.md (symbolic_operand): Allow
2083         UNSPEC_PCREL as PIC expression for lea.
2084         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
2085         * config/i386/i386.c (ix86_delegitimize_address): Handle
2086         UNSPEC_PCREL for none-MEM, too.
2087
2088 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2089
2090         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
2091         (ipa_tm_create_version_alias): Same.
2092
2093 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
2094
2095         PR libitm/51830
2096         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
2097         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
2098
2099 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
2100             Patrick Marlier  <patrick.marlier@gmail.com>
2101             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
2102
2103         PR lto/51916
2104         * lto-wrapper.c (run_gcc): Pass the LTO section name to
2105         simple_object_start_read.
2106
2107 2012-01-23  Richard Guenther  <rguenther@suse.de>
2108
2109
2110         PR tree-optimization/51895
2111         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
2112         parameter decomposition into BLKmode components.
2113
2114 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
2115
2116         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
2117         fake variables for restrict-qualified pointers whose pointed-to type
2118         contains a placeholder.
2119
2120 2012-01-23  Richard Guenther  <rguenther@suse.de>
2121
2122         PR tree-optimization/51949
2123         * ipa-split.c (execute_split_functions): Do not split malloc functions.
2124
2125 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
2126
2127         PR rtl-optimization/51933
2128         * ree.c (transform_ifelse): Return true right away if dstreg is
2129         already wider or equal to cand->mode.
2130         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
2131         (make_defs_and_copies_lists): Remove defs_list and copies_list
2132         arguments, add state argument, just truncate state->work_list
2133         instead of always allocating and freeing the vector.  Assert that
2134         get_defs succeeds instead of returning 2.  Changed return type to bool.
2135         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
2136         have ext_src_mode, see if it has been modified already with the
2137         right kind of extension and has been extended before from the
2138         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
2139         just return true.  Remember the original mode in state->modified array.
2140         (combine_reaching_defs): Add state argument.  Don't allocate and
2141         free here def_list, copied_list and vec vectors, instead just
2142         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
2143         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
2144         Add state variable, clear vectors in it, initialize state.modified
2145         if needed.  Free all the vectors at the end and state.modified too.
2146         Don't skip a candidate if the extension expression has been modified.
2147
2148 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
2149
2150         PR target/47096
2151         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
2152          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
2153         (extra_options) interix.opt -> i386/interix.opt"
2154         (extra_objs):Add winnt-stubs.o
2155         * configure.ac: Add interix to target_os .comm on PE check.
2156         * configure: Regenerate.
2157         * config/interix3.h: Delete and move bits to..
2158         * config/interix.h: Delete and move bits to..
2159         * config/i386/i386-interix3.h: Delete and move bits to..
2160         * config/i386/i386-interix.h: ..here.
2161         (TARGET_CPU_DEFAULT): Remove redefinition.
2162         (TARGET_ASM_CONSTRUCTOR): Undefine.
2163         (SUBTARGET_SWITCHES): Define for ms-bitfields.
2164         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
2165         (PTRDIFF_TYPE): Define.
2166         (LONG_DOUBLE_TYPE_SIZE): Define.
2167         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
2168         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
2169         (TARGET_SECTION_TYPE_FLAGS): Define.
2170         (ASM_DECLARE_FUNCTION_NAME): Define.
2171         (ASM_OUTPUT_EXTERNAL): Define.
2172         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
2173         (ASM_OUTPUT_ALIGNED_BSS): Define.
2174         (PCC_BITFIELD_TYPE_MATTERS): Define.
2175         (USE_CONST_SECTION): Define.
2176         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
2177         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
2178         (SUPPORTS_ONE_ONLY): Remove.
2179         (I386_PE_STRIP_ENCODING): Define.
2180         * config/interix.opt: Delete and move bits to..
2181         * config/i386/interix.opt: ..here. New.
2182         (mpe-aligned-commons): Add.
2183         * config/i386/t-interix: Add copyright header.
2184         (winnt-stubs.o): Add rule.
2185
2186 2012-01-22  Jason Merrill  <jason@redhat.com>
2187
2188         PR c++/51832
2189         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
2190         for extra name aliases.
2191
2192 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
2193
2194         PR rtl-optimization/51924
2195         * ree.c (combine_set_extension): Improve debugging message.
2196         (combine_reaching_defs): Likewise.
2197         (get_defs): Rename confusingly named variable.
2198         (find_and_remove_re): Skip a candidate if the extension expression has
2199         been modified.
2200
2201 2012-01-21  Robert Millan  <rmh@gnu.org>
2202             Gerald Pfeifer  <gerald@pfeifer.com>
2203
2204         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
2205         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
2206
2207 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2208
2209         PR tree-optimization/51914
2210         * tree-vect-stmts.c (vectorizable_conversion): For
2211         cvt_type && modifier == WIDEN, put temporary with cvt_type
2212         at the beginning of vec_dsts and set vec_dest to temporary
2213         with vectype_out.
2214
2215 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
2216
2217         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
2218
2219 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
2220
2221         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
2222         * config/rs6000/rs6000.c: Likewise.
2223
2224 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
2225
2226         PR target/51915
2227         * config/arm/arm.c (arm_count_output_move_double_insns): Call
2228         output_move_double on a copy of operands array.
2229
2230 2012-01-20  Cary Coutant  <ccoutant@google.com>
2231             Dodji Seketeli  <dodji@redhat.com>
2232
2233         PR debug/45682
2234         * dwarf2out.c (copy_declaration_context): Return ref to parent
2235         of declaration DIE, if necessary.
2236         (remove_child_or_replace_with_skeleton): Add new parameter; update
2237         caller.  Place skeleton DIE under parent DIE of original declaration.
2238         Move call to copy_declaration_context to here ...
2239         (break_out_comdat_types): ... from here.
2240
2241 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2242
2243         PR rtl-optimization/51856
2244         * reload.c (find_reloads_subreg_address): Set the address_reloaded
2245         flag to reloaded.
2246
2247 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2248
2249         PR target/51819
2250         * config/arm/arm.c (arm_print_operand): Correct output of alignment
2251         hints for neon loads and stores.
2252
2253 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
2254
2255         PR target/49868
2256         PR target/50887
2257         * doc/extend.texi (Named Address Spaces): Split into subsections.
2258         (AVR Named Address Spaces): New subsection.
2259         (M32C Named Address Spaces): New subsection.
2260         (RL78 Named Address Spaces): New subsection.
2261         (SPU Named Address Spaces): New subsection.
2262         (Variable Attributes): New anchor "AVR Variable Attributes".
2263         (AVR Variable Attributes): Rewrite and avoid wording
2264         "address space" in this context.
2265         * doc/invoke.texi (AVR Options): Rewrite and add documentation
2266         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
2267         (AVR Built-in Macros): New subsubsection therein.
2268         * doc/md.texi (AVR constraints): Remove "C04", "R".
2269
2270 2012-01-20  Richard Guenther  <rguenther@suse.de>
2271
2272         PR tree-optimization/51903
2273         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
2274         when removing stmts.
2275
2276 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2277
2278         PR target/50313
2279         * config/arm/arm.c (arm_load_pic_register): Use
2280         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
2281         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
2282         (arm_pic_static_addr): Likewise.
2283         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
2284         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
2285         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
2286         (pic_load_addr_unified): New.
2287
2288 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
2289
2290         PR target/51106
2291         * function.c (instantiate_virtual_regs_in_insn): Use
2292         delete_insn_and_edges when removing a wrong asm insn.
2293
2294 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2295
2296         PR rtl-optimization/40761
2297         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
2298         Add new member loop_num.
2299         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
2300         (ira_build): Remove the parameter.
2301
2302         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
2303         (ira.c): Do not build CFG loops for one region allocation.  Remove
2304         argument from ira_build call.
2305
2306         * ira-build.c (init_loop_tree_node): New function.
2307         (create_loop_tree_nodes): Use it.  Separate the case when CFG
2308         loops are not built.
2309         (more_one_region_p): Check current_loops.
2310         (finish_loop_tree_nodes): Separate the case when CFG loops are not
2311         built.
2312         (add_loop_to_tree): Process loop equal to NULL too.
2313         (form_loop_tree): Separate the case when CFG loops are not built.
2314         Use explicitly number for the root.
2315         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
2316         an assertion.
2317         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
2318         instead of loop->num.
2319         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
2320         (mark_all_loops_for_removal): Ditto.
2321         (remove_unnecessary_regions): Separate the case when CFG loops
2322         are not built.
2323         (ira_build): Remove the parameter.  Use explicit number of regions
2324         when CFG loops are not built.
2325
2326         * ira-color.c (print_loop_title): Separate the case for the root node.
2327         Use loop_num instead of loop->num.
2328         (move_spill_restore): Use loop_num instead of loop->num.
2329
2330         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
2331         (change_loop): Ditto.
2332         (change_loop): Use loop_num instead of loop->num.
2333
2334         * ira-lives.c (process_bb_node_lives): Ditto.
2335
2336         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
2337
2338         * ira-conflicts.c (print_allocno_conflicts): Ditto.
2339
2340 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2341
2342         PR libmudflap/40778
2343         * tree-mudflap.c (mf_artificial): New function.
2344         (execute_mudflap_function_ops, execute_mudflap_function_decls,
2345         mx_register_decls, mudflap_enqueue_decl): Use it.
2346
2347         PR target/51876
2348         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
2349         numbers in the insn pattern.
2350
2351 2012-01-19  Michael Matz  <matz@suse.de>
2352
2353         PR tree-optimization/46590
2354         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
2355         use it in remembering which conflicts we already created.
2356         (add_scope_conflicts): Adjust call to above, (de)allocate helper
2357         bitmap.
2358
2359 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
2360
2361         PR lto/51280
2362         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
2363         (merge_and_complain): Same.
2364
2365 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
2366
2367         PR bootstrap/50237
2368         * config/initfini-array.h: Guard content of the header
2369         with #ifdef HAVE_INITFINI_ARRAY.
2370         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
2371         Add initfini-array.h to tm_file here.
2372         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
2373         * config.gcc: Don't add initfini-array.h to tm_file here.
2374         * configure: Regenerated.
2375
2376 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
2377
2378         PR rtl-optimization/51505
2379         * df-problems.c (df_kill_notes): New parameter live. Update comment.
2380         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
2381         (df_note_bb_compute): Update the call to df_kill_notes.
2382
2383 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
2384
2385         * trans-mem.c (requires_barrier): Remove call to is_global_var.
2386
2387 2012-01-18  Richard Guenther  <rguenther@suse.de>
2388
2389         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
2390         of conversions to void *.
2391
2392 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2393             Richard Sandiford  <rdsandiford@googlemail.com>
2394
2395         PR middle-end/50325
2396         PR middle-end/51192
2397         * optabs.h (simplify_expand_binop): Declare.
2398         * optabs.c (simplify_expand_binop): Make global.
2399         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
2400         endian targets if the source cannot be exactly covered by word
2401         mode chunks.
2402
2403 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2404
2405         PR bootstrap/51872
2406         * hard-reg-set.h (struct hard_reg_set_container): New type.
2407         * target.h (struct hard_reg_set_container): Forward declare.
2408         * target.def (set_up_by_prologue): New target hook.
2409         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
2410         * doc/tm.texi: Regenerated.
2411         * function.c (thread_prologue_and_epilogue_insns): Change
2412         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
2413         Call targetm.set_up_by_prologue on it.
2414         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
2415         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
2416
2417 2012-01-17  Nick Clifton  <nickc@redhat.com>
2418
2419         * config/rx/rx.c (rx_can_use_simple_return): New function.
2420         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
2421         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
2422
2423 2012-01-17  Richard Guenther  <rguenther@suse.de>
2424
2425         PR middle-end/51782
2426         * expr.c (expand_assignment): Take address-space information
2427         from the address operand of MEM_REF and TARGET_MEM_REF.
2428         (expand_expr_real_1): Likewise.
2429
2430 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2431
2432         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
2433         reload dump is requested.
2434
2435 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
2436
2437         PR other/51165
2438         * trans-mem.c (requires_barrier): Call may_be_aliased.
2439
2440 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
2441
2442         PR tree-optimization/51877
2443         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
2444         call arguments and fndecls compare equal, instead return false if they
2445         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
2446         both SSA_NAMEs that are valueized the same, or they satisfy
2447         operand_equal_p.
2448
2449 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2450
2451         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
2452         Solaris 11+.
2453         * configure: Regenerate.
2454
2455 2012-01-16  Jan Hubicka  <jh@suse.cz>
2456
2457         PR c/12245
2458         PR c++/14179
2459         * convert.c (convert_to_integer): Use fold_convert for
2460         converting an INTEGER_CST to integer type.
2461
2462 2012-01-16  Jason Merrill  <jason@redhat.com>
2463
2464         PR c++/14179
2465         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
2466
2467 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2468
2469         PR bootstrap/51860
2470         * config/s390/s390.c (s390_chunkify_start): Don't skip
2471         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
2472         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
2473         If insn is followed by NOTE_INSN_VAR_LOCATION or
2474         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
2475         Don't use location of note insns.
2476
2477         PR tree-optimization/51865
2478         * tree-inline.c (tree_function_versioning): Call remap_decl
2479         on DECL_RESULT whenever it has VOID_TYPE_P type.
2480
2481 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2482
2483         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
2484         for calls to locally-binding MIPS16 functions if only the return
2485         type uses float regs.
2486
2487 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
2488             Richard Sandiford  <rdsandiford@googlemail.com>
2489
2490         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
2491         (SYMBOL_32_HIGH): Likewise.
2492         (mips_output_tls_reloc_directive): Declare.
2493         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
2494         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
2495         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
2496         (mips_lo_relocs, mips_hi_relocs): Make extern.
2497         (mips16_stub_function): Move up file.
2498         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
2499         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
2500         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
2501         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
2502         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
2503         (mips_get_tp): Add MIPS16 support.
2504         (mips_legitimize_tls_address): Remove MIPS16 sorry().
2505         Generalize DTPREL and TPREL handling.
2506         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
2507         Add MIPS16 TLS support.
2508         (mips_output_tls_reloc_directive): New function.
2509         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
2510         * config/mips/predicates.md (symbolic_operand_with_high)
2511         (tls_reloc_operand): New predicates.
2512         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
2513         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
2514         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
2515         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
2516         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
2517         (*tls_get_tp_mips16_call_<mode>): Likewise.
2518
2519 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
2520
2521         PR rtl-optimization/51821
2522         * recog.c (peep2_find_free_register): Determine clobbered registers
2523         from insn pattern.
2524
2525 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2526
2527         PR target/50925
2528         * config/avr/avr-protos.h: Revert change of 2012-01-09.
2529         * config/avr/avr.c: Likewise.
2530         * config/avr/avr.h: Likewise.
2531
2532 2012-01-13  Ian Lance Taylor  <iant@google.com>
2533
2534         PR c++/50012
2535         * tree.h (TYPE_QUALS): Add cast to int.
2536         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
2537
2538 2012-01-13  Ian Lance Taylor  <iant@google.com>
2539
2540         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
2541         comparing param_index to VEC_length result.
2542
2543 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
2544
2545         * c-decl.c: Do not include tree-mudflap.h
2546         * tree-optimize.c: Likewise.
2547         * Makefile.in: Update dependencies.
2548
2549 2012-01-13  Richard Guenther  <rguenther@suse.de>
2550
2551         PR middle-end/8081
2552         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
2553         variable-sized result always use RSO.
2554
2555 2012-01-12  DJ Delorie  <dj@redhat.com>
2556
2557         * cfgexpand.c (convert_debug_memory_address): Allow any valid
2558         pointer type, not just the default pointer type.
2559
2560 2012-01-09  Richard Henderson  <rth@redhat.com>
2561             Denis Chertykov  <chertykov@gmail.com>
2562
2563         PR target/50925
2564         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
2565         * config/avr/avr.c (avr_can_eliminate): Simplify.
2566         (avr_initial_elimination_offset): Likewise.
2567         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
2568         (expand_epilogue): Likewise.
2569         (avr_legitimize_address): Gut.
2570         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
2571         (avr_hard_regno_nregs): New.
2572         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
2573         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
2574         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
2575         add soft frame pointer.
2576         (CALL_USED_REGISTERS): Likewise.
2577         (REG_CLASS_CONTENTS): Likewise.
2578         (REGISTER_NAMES): Likewise.
2579         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
2580         (HARD_FRAME_POINTER_REGNUM): New.
2581         (FRAME_POINTER_REGNUM): Use soft frame pointer.
2582         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
2583         remove the HARD_FRAME_POINTER self-elimination.
2584
2585 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
2586
2587         PR target/51756
2588         * config/avr/avr.c (avr_encode_section_info): Test for absence of
2589         DECL_EXTERNAL when checking for initializers of progmem variables.
2590
2591 2012-01-12  Ira Rosen  <irar@il.ibm.com>
2592
2593         PR tree-optimization/51799
2594         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
2595         that the last operation is a type demotion.
2596
2597 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
2598
2599         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
2600         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
2601
2602 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
2603
2604         PR bootstrap/51796
2605         * combine.c (distribute_notes): If i3 is a noreturn call,
2606         allow old_size to be equal to args_size and make sure the
2607         noreturn call gets REG_ARGS_SIZE note.
2608         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
2609         on noreturn calls even when the delta is 0.
2610
2611 2012-01-11  Nathan Sidwell  <nathan@acm.org>
2612
2613         * gcov.c (STRING_SIZE): Remove.
2614         (generate_results): Erase annotations for source files with no
2615         coverage information.
2616         (read_line): New.
2617         (output_lines): Use it.
2618
2619 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2620
2621         * gimple.h (gimplify_body): Remove first argument.
2622         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
2623         pointer set here, instead just pass DATA to walk_tree.
2624         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
2625         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
2626         (unvisit_body): Likewise, but with unmark_visited.
2627         (gimplify_body): Remove BODY_P argument and adjust.
2628         (gimplify_function_tree): Adjust call to gimplify_body.
2629         * omp-low.c (finalize_task_copyfn): Likewise.
2630
2631 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2632
2633         * tree.h (build_function_decl_skip_args): Add boolean parameter.
2634         (build_function_type_skip_args): Delete.
2635         * tree.c (build_function_type_skip_args): Make static and add
2636         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
2637         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
2638         pass it to build_function_type_skip_args.
2639         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
2640         (tree_function_versioning): Likewise.
2641         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
2642         build_function_decl_skip_args.
2643         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
2644         and pass it to build_function_decl_skip_args/tree_function_versioning.
2645         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
2646         * ipa-inline-transform.c (save_inline_function_body): Likewise.
2647         * trans-mem.c (ipa_tm_create_version): Likewise.
2648         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
2649         * tree-inline.c (declare_return_variable): Remove always-true test.
2650         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
2651         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
2652         * ipa-split.c (split_function): Skip the return value for the split
2653         part if it doesn't return.
2654
2655 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2656
2657         PR tree-optimization/49642
2658         * ipa-split.c (forbidden_dominators): New variable.
2659         (check_forbidden_calls): New function.
2660         (dominated_by_forbidden): Likewise.
2661         (consider_split): Check for forbidden dominators.
2662         (execute_split_functions): Initialize and free forbidden
2663         dominators info; call check_forbidden_calls.
2664
2665 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2666
2667         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
2668
2669 2012-01-11  Nick Clifton  <nickc@redhat.com>
2670
2671         * config/rx/rx.md (return): Define pattern.
2672
2673 2012-01-11  Richard Guenther  <rguenther@suse.de>
2674
2675         * doc/extend.texi (malloc attribute): Adjust according to
2676         implementation.
2677
2678 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
2679             Patrick Marlier  <patrick.marlier@gmail.com>
2680
2681         PR middle-end/51516
2682         * trans-mem.c (get_cg_data): Traverse aliases if requested.
2683         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
2684         (ipa_tm_note_irrevocable): Same.
2685         (ipa_tm_scan_irr_block): Same.
2686         (ipa_tm_decrement_clone_counts): Same.
2687         (ipa_tm_scan_irr_function): Same.
2688         (ipa_tm_create_version_alias): Same.
2689         (ipa_tm_create_version): Same.
2690         (ipa_tm_transform_calls_redirect): Same.
2691         (ipa_tm_transform_calls): Same.
2692         (ipa_tm_transform_transaction): Same.
2693         (ipa_tm_execute): Same.
2694
2695 2012-01-10  Richard Guenther  <rguenther@suse.de>
2696
2697         PR middle-end/51806
2698         * opts.c (common_handle_option): Handle -Werror.
2699
2700 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
2701
2702         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
2703         operand number.
2704
2705 2012-01-10  Jason Merrill  <jason@redhat.com>
2706
2707         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
2708         information.
2709
2710 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2711
2712         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
2713         supports R_386_TLS_GD_PLT reloc.
2714         (gcc_cv_as_ix86_tlsldmplt): Check if linker
2715         supports R_386_TLS_LDM_PLT reloc.
2716         * configure: Regenerate.
2717         * config.in: Regenerate.
2718
2719 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
2720
2721         PR target/49868
2722         Extend __pgmx semantics to linearize memory.
2723         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
2724         determine if code comes inline or from libgcc.
2725         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
2726         (movmem_qi, movmem_qi): Set constraint #2 to "n".
2727         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
2728         (movmemx_qi, movmemx_hi): New insns.
2729         (xload_<mode>_libgcc): Rewrite to new insn condition.
2730         (xload_<mode>): Remove insns.
2731         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
2732         cases that don't satisfy avr_xload_libgcc_p().
2733         (avr_addr_space_convert): Allow converting in any direction.
2734         (avr_addr_space_subset_p): Return always true.
2735         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
2736         (avr_emit_movmemhi): Ditto.
2737         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
2738         (avr_out_movmem): Ditto.
2739         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
2740         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
2741         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
2742         (avr_encode_section_info): Encode 'progmem' in symbol flags.
2743         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
2744
2745 2012-01-10  Richard Guenther  <rguenther@suse.de>
2746
2747         PR tree-optimization/50913
2748         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
2749         Require data-refs to be representable by Graphite with respect
2750         to any loop nest.
2751
2752 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
2753
2754         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
2755         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
2756
2757 2012-01-10  Tom de Vries  <tom@codesourcery.com>
2758
2759         PR rtl-optimization/51271
2760         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
2761         handling annulled branch.
2762
2763 2012-01-10  Richard Henderson  <rth@redhat.com>
2764
2765         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
2766         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
2767         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
2768         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
2769         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
2770         arm_expand_vec_perm_const): New.
2771         * config/arm/arm-protos.h: Update.
2772         * config/arm/neon.md (UNSPEC_VCONCAT): New.
2773         (*neon_vswp<VDQX>): New.
2774         (neon_vcombine<VDX>): Use neon_split_vcombine.
2775         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
2776         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
2777         (vec_perm<VE>): New.
2778
2779 2012-01-10  Richard Henderson  <rth@redhat.com>
2780
2781         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
2782         use it if reload_completed.
2783         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
2784         arm_output_asm_insn, arm_process_output_memory_barrier,
2785         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
2786         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
2787         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
2788         arm_process_output_sync_insn, arm_output_sync_insn,
2789         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
2790         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
2791         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
2792         (emit_unlikely_jump): New.
2793         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
2794         (arm_split_atomic_op): New.
2795         * config/arm/arm-protos.h: Update.
2796         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
2797         (struct arm_sync_generator): Remove.
2798         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
2799         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
2800         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
2801         (VUNSPEC_LL, VUNSPEC_SC): New.
2802         (sync_result, sync_memory, sync_required_value, sync_new_value,
2803         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
2804         (attr length): Don't use arm_sync_loop_insns.
2805         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
2806         (movsfcc, movdfcc): Likewise.
2807         * config/arm/constraints.md (Ua): New.
2808         * config/arm/prediates.md (mem_noofs_operand): New.
2809         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
2810         (sync_clobber, sync_t2_reqd): Remove.
2811         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
2812         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
2813         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
2814         (arm_sync_compare_and_swap<SIDI>): Remove.
2815         (arm_sync_compare_and_swap<NARROW>): Remove.
2816         (arm_sync_lock_test_and_set<SIDI>): Remove.
2817         (arm_sync_lock_test_and_set<NARROW>): Remove.
2818         (arm_sync_new_<syncop><SIDI>): Remove.
2819         (arm_sync_new_<syncop><NARROW>): Remove.
2820         (arm_sync_new_nand<SIDI>): Remove.
2821         (arm_sync_new_nand<NARROW>): Remove.
2822         (arm_sync_old_<syncop><SIDI>): Remove.
2823         (arm_sync_old_<syncop><NARROW>): Remove.
2824         (arm_sync_old_nand<SIDI>): Remove.
2825         (arm_sync_old_nand<NARROW>): Remove.
2826         (*memory_barrier): Merge arm_output_memory_barrier.
2827         (atomic_compare_and_swap<QHSD>): New.
2828         (atomic_compare_and_swap<NARROW>_1): New.
2829         (atomic_compare_and_swap<SIDI>_1): New.
2830         (atomic_exchange<QHSD>): New.
2831         (cas_cmp_operand, cas_cmp_str): New.
2832         (atomic_op_operand, atomic_op_str): New.
2833         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
2834         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
2835         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
2836         (arm_load_exclusive<NARROW>): New.
2837         (arm_load_exclusivesi, arm_load_exclusivedi): New.
2838         (arm_store_exclusive<QHSD>): New.
2839
2840 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
2841
2842         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
2843         reload patterns if -mvsx-scalar-memory.
2844
2845         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
2846         generated, even -mno-vsx-scalar-double was used.
2847         (vsx_xscvdpsp_scalar): Likewise.
2848         (vsx_xscvspdp_scalar2): Likewise.
2849
2850 2012-01-09  Tom de Vries  <tom@codesourcery.com>
2851             Andrew Pinski  <apinski@cavium.com>
2852
2853         PR debug/51471
2854         * reorg.c (fill_slots_from_thread): Don't speculate
2855         frame-related insns.
2856
2857 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
2858
2859         * sched-int.h (bb_note): Move to...
2860         * basic-block.h: ...here.
2861         * haifa-sched.c (bb_note): Move to...
2862         * cfgrtl.c: ...here.
2863         * function.c (next_block_for_reg): New function.
2864         (move_insn_for_shrink_wrap): Likewise.
2865         (prepare_shrink_wrap): Rewrite to use the above.
2866
2867 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
2868
2869         * gimple.c (is_gimple_non_addressable): Remove.
2870         * gimple.h: Remove is_gimple_non_addressable.
2871         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
2872         is_gimple_non_addressable.
2873         * trans-mem.c (expand_assign_tm): Same.
2874
2875 2012-01-09  Richard Guenther  <rguenther@suse.de>
2876
2877         PR tree-optimization/51775
2878         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
2879         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
2880
2881 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2882
2883         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2884         tuning parameters.
2885         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2886
2887 2012-01-09  Richard Guenther  <rguenther@suse.de>
2888
2889         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
2890
2891 2012-01-08  Jan Hubicka  <jh@suse.cz>
2892
2893         PR tree-optimize/51680
2894         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
2895         on when known_vals needs to be computed; cleanup.
2896
2897 2012-01-08  Jan Hubicka  <jh@suse.cz>
2898
2899         PR tree-optimize/51694
2900         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
2901
2902 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
2903
2904         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
2905         for -std=c++98 and -std=c++11 too.
2906
2907 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
2908
2909         * cfgloop.c (cancel_loop): Add free() of bbs array.
2910
2911 2012-01-07  Jan Hubicka  <jh@suse.cz>
2912
2913         PR tree-optimization/51600
2914         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2915         that benefits small functions.
2916
2917 2012-01-07  Jan Hubicka  <jh@suse.cz>
2918
2919         * ipa-inline.c (want_inline_small_function_p): Fix formating.
2920
2921 2012-01-07  Jan Hubicka  <jh@suse.cz>
2922
2923         PR tree-optimization/51680
2924         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2925         whose inlining reduce unit size.
2926
2927 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
2928
2929         PR bootstrap/51725
2930         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2931         Add canonical node to containing_mem chain after the non-canonical
2932         one, even if there weren't any locs to propagate.
2933         (remove_useless_values): Keep only canonical values.
2934         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2935         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
2936         canonicalize mem_chain elements that are not discarded.
2937
2938 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
2939
2940         PR target/47333
2941         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2942         before emitting functions.
2943
2944         PR gcov-profile/50127
2945         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2946         clear_aux_for_blocks.
2947
2948 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
2949
2950         PR debug/51746
2951         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2952
2953 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
2954
2955         * c-decl.c (ext_block): Moved up.
2956         (collect_all_refs, for_each_global_decl): Take ext_block into account.
2957
2958 2012-01-06  Han Shen  <shenhan@google.com>
2959
2960         Translate built-in include paths for sysroot.
2961         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2962         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2963
2964         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2965         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2966
2967         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2968         control whether sysroot should be prepended to gxx include dir.
2969
2970         * configure: Regenerate.
2971
2972 2012-01-06  Torvald Riegel  <triegel@redhat.com>
2973
2974         PR rtl-optimization/51771
2975         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2976         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2977
2978 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2979
2980         PR tree-optimization/51315
2981         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2982         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2983
2984 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
2985
2986         PR target/51681
2987         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2988         for shrp pattern.  Correctly handle and fixup shift variable.
2989         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2990
2991 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
2992
2993         PR debug/51762
2994         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2995         note when !ACCUMULATE_OUTGOING_ARGS.
2996
2997 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
2998
2999         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
3000         condition.
3001         (extract_range_from_unary_expr_1): Avoid useless computations.
3002
3003 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3004
3005         PR rtl-optimization/51767
3006         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
3007         of jump_block and add an extra edge for degenerated asm gotos.
3008
3009         PR middle-end/51768
3010         * stmt.c (check_unique_operand_names): Don't ICE during error
3011         reporting if i is from labels chain.
3012
3013         PR middle-end/44777
3014         * profile.c (branch_prob): Split bbs that have exit edge
3015         and need a fake entry edge too.
3016
3017 2012-01-05  Jan Hubicka  <jh@suse.cz>
3018
3019         PR middle-end/49710
3020         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
3021         unlooping loops.
3022
3023 2012-01-05  Richard Guenther  <rguenther@suse.de>
3024
3025         PR lto/50490
3026         * tree-streamer-out.c (write_ts_optimization): New function.
3027         (streamer_write_tree_body): Call it.
3028         * tree-streamer-in.c (lto_input_ts_optimization): New function.
3029         (streamer_read_tree_body): Call it.
3030         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
3031
3032 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3033
3034         PR middle-end/51761
3035         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
3036         * gimplify.c (gimplify_cleanup_point_expr): Save and set
3037         in_cleanup_point_expr before gimplify_stmt call and restore it
3038         afterwards.
3039         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
3040         in_cleanup_point_expr is false.
3041
3042 2012-01-05  Richard Guenther  <rguenther@suse.de>
3043
3044         PR middle-end/51764
3045         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
3046         to c.opt.
3047         * toplev.c (process_options): Reject combining mudflap and LTO.
3048         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
3049
3050 2012-01-05  Richard Guenther  <rguenther@suse.de>
3051
3052         PR tree-optimization/51760
3053         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
3054         not VARYING.
3055         (bit_value_unop): Handle UNDEFINED operands.
3056         (bit_value_binop): Likewise.
3057
3058 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
3059
3060         * config/avr/avr.c (avr_replace_prefix): Remove.
3061         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
3062         (avr_asm_function_rodata_section): Ditto.
3063         (avr_asm_select_section): Ditto.
3064
3065 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
3066
3067         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
3068         insertion.
3069
3070 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
3071
3072         PR bootstrap/51648
3073         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
3074         calls that have any non-fake successor edges.
3075
3076         PR debug/51746
3077         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
3078
3079 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3080
3081         PR tree-optimization/51624
3082         * tree-sra.c (build_ref_for_model): When replicating a chain of
3083         COMPONENT_REFs, stop as soon as the offset would become negative.
3084
3085 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
3086
3087         PR debug/51695
3088         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
3089         in .debug_loc on the floor.
3090
3091 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3092
3093         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
3094
3095 2012-01-04  Andrew Pinski  <apinski@cavium.com>
3096             Adam Nemet  <anemet@caviumnetworks.com>
3097
3098         * config/mips/mips.md (size): Add SI and DI.
3099         (SIZE): New mode attribute.
3100         (U): New code attribute.
3101         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
3102         (mips_lbux_<mode>): Delete.
3103         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
3104         (mips_lhx): Use gen_mips_lhx_extsi.
3105         (mips_lhx_<mode>): Delete.
3106         (mips_lwx): Delete.
3107         (mips_l<size>x): New expand.
3108         (mips_lwx_<mode>): Delete.
3109         (mips_l<GPR:size>x_<P:mode>): New pattern.
3110         (*mips_lw<u>x_<P:mode>_ext): Likewise.
3111         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
3112         * config/mips/mips.c (mips_lx_address_p): New function.
3113         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
3114         (dsp64): New availability predicate.
3115         (mips_builtins): Add an entry for __builtin_mips_ldx.
3116         * config/mips/mips.h (ISA_HAS_LBX): New define.
3117         (ISA_HAS_LBUX): Likewise.
3118         (ISA_HAS_LHX): Likewise.
3119         (ISA_HAS_LHUX): Likewise.
3120         (ISA_HAS_LWX): Likewise.
3121         (ISA_HAS_LWUX): Likewise.
3122         (ISA_HAS_LDX): Likewise.
3123         * doc/extend.texi (__builtin_mips_ldx): Document.
3124
3125 2012-01-04  Tristan Gingold  <gingold@adacore.com>
3126
3127         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
3128         when long pointers are used.
3129         * config.build (*-*-*vms*): Handle all OpenVMS targets.
3130         (alpha64-dec-*vms*, alpha*-dec-*vms*)
3131         (ia64-hp-*vms*): Remove.
3132         * config/vms/xm-vms64.h: Delete.
3133
3134 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3135
3136         PR middle-end/51472
3137         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
3138
3139 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3140
3141         * opts.c (finish_options): Remove duplicate sorry.
3142
3143 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
3144
3145         PR middle-end/51696
3146         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
3147         correctly.
3148
3149 2012-01-04  Richard Guenther  <rguenther@suse.de>
3150
3151         PR middle-end/51750
3152         * tree.c (size_low_cst): New function.
3153         * tree.h (size_low_cst): Declare.
3154         * fold-const.c (fold_comparison): Use it to extract the low
3155         part of the POINTER_PLUS_EXPR offset.
3156
3157 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
3158
3159         Fix clearing ZERO_REG
3160         * config/avr/avr.md (cc): Add alternative "ldi".
3161         (movqi_insn): Use it in cc attribute.
3162         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
3163         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
3164         (output_reload_insisf): Use ZERO_REG to pre-clear register.
3165
3166 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3167
3168         * configure: Regenerate.
3169
3170 2012-01-04  Richard Guenther  <rguenther@suse.de>
3171
3172         PR tree-optimization/49651
3173         * tree-ssa-structalias.c (type_can_have_subvars): New function.
3174         (var_can_have_subvars): Use it.
3175         (get_constraint_for_1): Only consider subfields if there can be any.
3176
3177 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3178
3179         PR bootstrap/51725
3180         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
3181         to its new canonical_cselib_val and the cselib_val was in
3182         first_containing_mem chain, but the canonical_cselib_val was not,
3183         add the latter into the chain.
3184         (cselib_invalidate_mem): Compare canonical_cselib_val of
3185         addr_list chain elt with v.
3186
3187         PR pch/51722
3188         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
3189         dwarf2out_undef): Allocate e.info using ggc_strdup instead
3190         of xstrdup.
3191         (output_macinfo_op): Don't ggc_strdup fd->filename.
3192         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
3193         then ggc_strdup it.  Don't free inc->info or cur->info.
3194         (output_macinfo): Don't free ref->info or file->info.
3195
3196 2012-01-03  Ira Rosen  <irar@il.ibm.com>
3197
3198         PR tree-optimization/51269
3199         * tree-vect-loop-manip.c (set_prologue_iterations): Make
3200         first_niters a pointer.
3201         (slpeel_tree_peel_loop_to_edge): Likewise.
3202         (vect_do_peeling_for_loop_bound): Update call to
3203         slpeel_tree_peel_loop_to_edge.
3204         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
3205         here.  Remove it from the parameters list.
3206         (vect_do_peeling_for_alignment): Update calls and compute
3207         wide_prolog_niters.
3208
3209 2012-01-03  Richard Guenther  <rguenther@suse.de>
3210
3211         PR tree-optimization/51070
3212         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
3213         Properly handle calls.
3214
3215 2012-01-03  Richard Guenther  <rguenther@suse.de>
3216
3217         PR tree-optimization/51692
3218         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
3219         the LHS of allocation stmts.
3220
3221 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3222
3223         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
3224
3225 2012-01-03  Olivier Hainque  <hainque@adacore.com>
3226
3227         * collect2.c (main): In AIX specific computations for vector
3228         insertions, use CONST_CAST2 to cast from char ** to const char **.
3229
3230 2012-01-03  Richard Guenther  <rguenther@suse.de>
3231
3232         PR debug/51650
3233         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
3234         the context of a limbo DIE when it does not already exist.
3235
3236 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
3237
3238         PR tree-optimization/51719
3239         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
3240         but direct call is, clear direct call's lhs and don't add fallthrough
3241         edge from dcall_bb to join_bb and PHIs.
3242
3243 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3244
3245         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
3246         the instructions emitted by the pattern.
3247         ("*TDC_insn_<mode>"): Add comment.
3248
3249 2012-01-03  Richard Guenther  <rguenther@suse.de>
3250
3251         PR middle-end/51730
3252         * fold-const.c (fold_comparison): Properly canonicalize
3253         tree offset and HOST_WIDE_INT bit position.
3254
3255 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
3256
3257         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
3258         operands for extzv pattern.
3259
3260 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3261
3262         PR bootstrap/51725
3263         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
3264         on mem_elt first.
3265
3266 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
3267
3268         * doc/invoke.texi (-flto and related options): Copy-edit.
3269
3270 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3271
3272         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
3273
3274 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3275
3276         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
3277         New patterns.
3278
3279 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3280
3281         * expr.h (move_by_pieces_ninsns): Declare.
3282         * expr.c (move_by_pieces_ninsns): Make external.
3283         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
3284         (mips_store_by_pieces_p): Likewise.
3285         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
3286         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
3287         * config/mips/mips.c (mips_move_by_pieces_p): New function.
3288         (mips_store_by_pieces_p): Likewise.
3289
3290 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
3291
3292         * passes.c (register_one_dump_file): Free full_name.
3293
3294         * reload1.c (reload): Don't allocate reg_max_ref_width here.
3295         (calculate_elim_costs_all_insns): Free offsets_at and
3296         offsets_known_at at the end and clear the pointers.
3297
3298 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3299
3300         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
3301         this option introduced in r180739.
3302
3303 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3304
3305         PR target/51345
3306         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
3307         (tmake_file target=avr): Add avr/t-multilib.
3308
3309         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
3310         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
3311         * config/avr/genmultilib.awk: New file.
3312         * config/avr/t-multilib: New auto-generated file.
3313         * config/avr/multilib.h: New auto-generated file.
3314         * config/avr/t-avr (AVR_MCUS): New variable.
3315         (genopt.sh): Use it.
3316         (s-mlib): Depend on t-multilib.
3317         (t-multilib, multilib.h): New dependencies.
3318         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
3319         (MULTILIB_OPTIONS): Remove.
3320         (MULTILIB_MATCHES): Remove.
3321         (MULTILIB_DIRNAMES): Remove.
3322         (MULTILIB_EXCEPTIONS): Remove:
3323         * config/avr/genopt.sh: Don't use hard coded file name;
3324         pass AVR_MCUS from t-avr instead.
3325
3326 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3327
3328         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
3329
3330 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
3331
3332         Implement light-weight DImode support.
3333         * config/avr/avr-dimode.md: New file.
3334         * config/avr/avr.md: Include it.
3335         (adjust_len): Add plus64, compare64.
3336         (HIDI): Remove code iterator.
3337         (code_stdname): New code attribute.
3338         (rotx, rotsmode): Remove DI.
3339         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
3340         as code iterator.
3341         * config/avr/avr-protos.h (avr_have_dimode): New.
3342         (avr_out_plus64, avr_out_compare64): New.
3343         * config/avr/avr.c (avr_out_compare): Handle DImode.
3344         (avr_have_dimode): New variable definition and initialization.
3345         (avr_out_compare64, avr_out_plus64): New functions.
3346         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
3347         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
3348         (avr_compare_pattern): Skip DImode comparisons.
3349
3350 2012-01-02  Revital Eres  <revital.eres@linaro.org>
3351
3352         * ddg.c (def_has_ccmode_p): New function.
3353         (add_cross_iteration_register_deps,
3354         create_ddg_dep_from_intra_loop_link): Call it.
3355
3356 2012-01-02  Richard Guenther  <rguenther@suse.de>
3357
3358         PR other/51679
3359         * invoke.texi (fassociative-math): Remove spurious paranthesis.
3360
3361 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3362
3363         * gcc.c (process_command): Update copyright notice dates.
3364         * gcov.c (print_version): Likewise.
3365         * gcov-dump.c (print_version): Likewise.
3366         * mips-tfile.c (main): Likewise.
3367         * mips-tdump.c (main): Likewise.
3368
3369 2012-01-01  Ira Rosen  <irar@il.ibm.com>
3370
3371         PR tree-optimization/51704
3372         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
3373         a use is inside the basic block or loop before accessing its vect info.
3374
3375 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
3376
3377         PR rtl-optimization/51069
3378         * cfgloopmanip.c (remove_path): Removing path making irreducible
3379         region unconditional makes BB part of the region.
3380
3381 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
3382
3383         PR tree-optimization/51683
3384         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
3385         calls with side-effects.
3386         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
3387 \f
3388 Copyright (C) 2012 Free Software Foundation, Inc.
3389
3390 Copying and distribution of this file, with or without modification,
3391 are permitted in any medium without royalty provided the copyright
3392 notice and this notice are preserved.