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