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