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