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1 2012-01-27  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/50444
4         * expr.c (mem_ref_refers_to_non_mem_p): New function.
5         (expand_assignment): Use it.  Properly handle misaligned
6         bases when expanding stores to component references.
7         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
8         refactor that case.
9
10 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
11
12         PR middle-end/51389
13         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
14         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
15         * tree-data-ref.c (find_data_references_in_loop): Make static.
16         (compute_all_dependences): Change return type to bool.  Bail out
17         for too many datarefs in a loop.  Move the hunk resetting the data
18         dependences vector from ...
19         (compute_data_dependences_for_loop): ... here.  Account for
20         compute_all_dependences returning false.
21         (compute_data_dependences_for_bb): Likewise.
22         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
23         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
24
25 2012-01-27  Richard Guenther  <rguenther@suse.de>
26
27         PR middle-end/51959
28         * expr.c (store_field): Use the alias-set of the scratch memory
29         for storing to it.
30
31 2012-01-27  Tom de Vries  <tom@codesourcery.com>
32
33         PR tree-optimization/51990
34         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle WITH_SIZE_EXPR.
35         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
36
37 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
38
39         PR debug/52001
40         * var-tracking.c (reverse_op): Don't add any reverse operation
41         if V already has any constant locations.
42
43 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
44
45         * doc/invoke.texi: Correct usage of "command line" (noun)
46         vs "command-line" (adjective) throughout.
47
48 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
49
50         * doc/invoke.texi (Language Independent Options): Move
51         -Wcoverage-mismatch blurb from here....
52         (Warning Options): ...to here.
53
54 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
55
56         * config/rs6000/rs6000.c (rs6000_option_override_internal):
57         Set rs6000_always_hint to false for 476.
58
59 2012-01-27  Matthias Klose  <doko@ubuntu.com>
60
61         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
62           system root.
63         * incpath.c (add_standard_paths): Likewise.
64
65 2012-01-27  Richard Henderson  <rth@redhat.com>
66
67         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
68         * config/m68k/sync.md (atomic_test_and_set): Rename from
69         sync_test_and_setqi and adjust the operands.
70         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
71         and unconditionally enable.
72
73 2012-01-27  Richard Henderson  <rth@redhat.com>
74
75         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
76         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
77         (ldstub): Rename from ldstubqi.
78         (ldstub<I24MODE>): Remove.
79
80 2012-01-27  Richard Henderson  <rth@redhat.com>
81
82         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
83         * c-cppbuiltin.c (cpp_atomic_builtins): Define
84         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
85         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
86         * doc/tm.texi: Rebuild.
87
88 2012-01-27  Richard Henderson  <rth@redhat.com>
89
90         * optabs.c (gen_atomic_test_and_set): Remove default.
91         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
92
93 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
94
95         PR rtl-optimization/51978
96         * ree.c (make_defs_and_copies_lists): Change set_pat type
97         to const_rtx.
98         (combine_reaching_defs): Likewise.
99         (struct re_info): Remove.
100         (add_removable_extension): Remove x and data arguments,
101         add insn, insn_list and def_map.  Use the arguments directly
102         instead of using struct re_info.
103         (find_removable_extensions): Don't call add_removable_extension
104         through note_stores, instead just call it with single_set
105         result if non-NULL.
106         (find_and_remove_re): Pass curr_cand->expr instead of
107         PATTERN (curr_cand->insn) as set_pat argument to
108         combine_reaching_defs.
109
110 2012-01-26  Michael Matz  <matz@suse.de>
111
112         PR tree-optimization/46590
113         * cfgexpand.c: Revert last change (r183305).
114         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
115         regs.
116         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
117         checking for emptiness.
118
119 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
120
121         PR middle-end/51895
122         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
123         non-addressable non-BLKmode base correctly.
124
125 2012-01-26  Michael Matz  <matz@suse.de>
126
127         PR tree-optimization/48794
128         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
129         regions referenced from RESX/EH_DISPATCH.
130
131 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
132
133         * config/s390/s390.h: Make BRANCH_COST an option.
134         * config/s390/s390.opt: New option -mbranch-cost.
135
136 2012-01-26  Richard Henderson  <rth@redhat.com>
137
138         Revert 2012-01-24 change:
139         * trans-mem.c (requires_barrier): Do not instrument thread local
140         variables and emit save/restore for them.
141
142 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
143
144         PR middle-end/51986
145         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
146         for pat == 0.
147
148 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
149
150         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
151         ASM_OPERANDS.
152
153 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
154
155         PR target/49868
156         Rename __pgm to __flash.
157         Rename __pgm1 to __flash1.
158         Rename __pgm2 to __flash2.
159         Rename __pgm3 to __flash3.
160         Rename __pgm4 to __flash4.
161         Rename __pgm5 to __flash5.
162         Rename __pgmx to __memx.
163         * doc/extend.texi (AVR Named Address Spaces)
164         Rename address space names as indicated above.
165         * config/avr/avr.c (avr_addrspace): Ditto.
166
167         * config/avr/avr-protos.h
168         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
169         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
170         * config/avr/predicates.md: Ditto.
171         * config/avr/avr.c Ditto, and
172         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
173         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
174
175         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
176         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
177         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
178         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
179         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
180         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
181         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
182         * config/avr/avr.c: Ditto.
183         * config/avr/avr.md: Ditto.
184
185 2012-01-25  Jason Merrill  <jason@redhat.com>
186
187         PR c++/51992
188         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
189
190 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
191
192         PR tree-optimization/51987
193         * tree-data-ref.c (get_references_in_stmt): Handle references in
194         non-volatile GIMPLE_ASM.
195
196 2012-01-25  Richard Guenther  <rguenther@suse.de>
197
198         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
199         bases are dereferenced.
200
201 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
202
203         PR rtl-optimization/48374
204         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors. 
205
206 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
207
208         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
209         compute_data_dependences_for_loop returns false.
210         * tree-parloops.c (loop_parallel_p): Likewise.
211
212 2012-01-25  Richard Guenther  <rguenther@suse.de>
213
214         * tree.h (get_pointer_alignment_1): Declare.
215         * builtins.c (get_pointer_alignment_1): New function.
216         (get_pointer_alignment): Use it.
217
218 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
219
220         PR rtl-optimization/48308
221         * combine.c (enum undo_kind): Add UNDO_LINKS.
222         (struct undo): Add member l to other_contents and where.
223         (do_SUBST_LINK): New.
224         (SUBST_LINK): New.
225         (try_combine): Handle LOG_LINKS for the dummy i1 case.
226         (undo_all): Handle UNDO_LINKS.
227
228 2012-01-25  Richard Henderson  <rth@redhat.com>
229
230         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
231         mem inputs.
232
233 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
234
235         * optabs.c (gen_atomic_test_and_set): Use each argument.
236
237 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
238
239         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
240         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
241         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
242         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
243         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
244         TARGET_PAIRED_SINGLE_FLOAT.
245
246 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
247
248         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
249         (in_struct, return_val): Remove MEM documentation.
250         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
251         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
252         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
253         and MEM_SCALAR.
254         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
255         * cfgexpand.c (add_alias_set_conflicts): Likewise.
256         * expr.c (store_field): Likewise.
257         * function.c (assign_stack_temp_for_type): Likewise.
258         * ifcvt.c (noce_try_cmove_arith): Likewise.
259         * reload1.c (reload): Likewise.
260         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
261         (alpha_set_memflags): Likewise.
262         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
263
264 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
265
266         * rtl.h (true_dependence, canon_true_dependence): Remove varies
267         parameter.
268         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
269         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
270         (true_dependence_1, true_dependence, canon_true_dependence): Remove
271         varies parameter.
272         * cselib.c (cselib_rtx_varies_p): Delete.
273         (cselib_invalidate_mem): Update call to canon_true_dependence.
274         * dse.c (record_store, check_mem_read_rtx): Likewise.
275         (scan_reads_nospill): Likewise.
276         * cse.c (check_dependence): Likewise.
277         (cse_rtx_varies_p): Delete.
278         * expr.c (safe_from_p): Update call to true_dependence.
279         * ira.c (validate_equiv_mem_from_store): Likewise.
280         (memref_referenced_p): Likewise.
281         * postreload-gcse.c (find_mem_conflicts): Likewise.
282         * sched-deps.c (sched_analyze_2): Likewise.
283         * store-motion.c (load_kills_store): Likewise.
284         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
285         * gcse.c (mems_conflict_for_gcse_p): Likewise.
286         (compute_transp): Update call to canon_true_dependence.
287
288 2012-01-25  Richard Henderson  <rth@redhat.com>
289
290         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
291         (maybe_emit_atomic_test_and_set): New.
292         (expand_sync_lock_test_and_set): Use it.
293         (expand_atomic_test_and_set): Likewise.
294         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
295         the implementation; clarify implementation defined details.
296         * doc/md.texi (atomic_test_and_set): Document.
297
298 2012-01-25  Richard Henderson  <rth@redhat.com>
299
300         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
301
302 2012-01-25  Richard Henderson  <rth@redhat.com>
303
304         PR target/51968
305         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
306         to effect no-op split.
307
308 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
309
310         PR lto/51698
311         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
312         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
313         (BT_FN_VOID_PTR_INT_SIZE): New.
314         (BT_FN_UINT_UINT_VAR): Remove.
315         (BT_FN_UINT32_UINT32_VAR): New.
316         (BT_FN_DOUBLE_VPTR): Remove.
317         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
318
319         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
320         void.
321         (_ITM_changeTransactionMode): Same.
322         (_ITM_memmoveRtWt): Change return type to void.
323         (_ITM_memcpyRtWt): Same.
324         (_ITM_memsetW): Same.
325         (_ITM_RaRD): Change types to double.
326         (_ITM_RD): Same.
327         (_ITM_RaWD): Same.
328         (_ITM_RfWD): Same.
329
330         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
331
332 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
333             Patrick Marlier  <patrick.marlier@gmail.com>
334
335         * trans-mem.c (requires_barrier): Do not instrument thread local
336         variables and emit save/restore for them.
337
338 2012-01-24  Jason Merrill  <jason@redhat.com>
339
340         PR c++/51812
341         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
342         output static aliases.
343
344 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
345
346         PR driver/47249
347         * common.opt (-pie, -shared, pie, shared): Change from Common to
348         Driver.
349         * gcc.c (display_help): Display help for -pie and -shared.
350
351 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
352
353         PR target/49868
354         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
355         Remove note on size/offset limitation.
356         (AVR Variable Attributes): Add example how to read data located
357         with progmem.  Refer to named address spaces.
358         * doc/invoke.texi (AVR Options): Fix typo.
359
360 2012-01-24  Richard Guenther  <rguenther@suse.de>
361
362         Forward-port to trunk
363         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
364
365         PR middle-end/45678
366         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
367         op0 isn't sufficiently aligned and there is movmisalignM
368         insn for mode, use it to load op0 into a temporary register.
369
370 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
371
372         PR target/51957
373         * target.def (const_not_ok_for_debug_p): New hook.
374         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
375         documentation.
376         * doc/tm.texi: Regenerated.
377         * dwarf2out.c (const_ok_for_output_1): If
378         targetm.const_not_ok_for_debug_p returns true, fail.
379         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
380         function.
381         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
382
383 2012-01-23  Kai Tietz  <ktietz@redhat.com>
384
385         PR target/51900
386         * config/i386/predicates.md (symbolic_operand): Allow
387         UNSPEC_PCREL as PIC expression for lea.
388         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
389         * config/i386/i386.c (ix86_delegitimize_address): Handle
390         UNSPEC_PCREL for none-MEM, too.
391
392 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
393
394         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
395         (ipa_tm_create_version_alias): Same.
396
397 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
398
399         PR libitm/51830
400         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
401         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
402
403 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
404             Patrick Marlier  <patrick.marlier@gmail.com>
405             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
406
407         PR lto/51916
408         * lto-wrapper.c (run_gcc): Pass the LTO section name to
409         simple_object_start_read.
410
411 2012-01-23  Richard Guenther  <rguenther@suse.de>
412
413
414         PR tree-optimization/51895
415         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
416         parameter decomposition into BLKmode components.
417
418 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
419
420         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
421         fake variables for restrict-qualified pointers whose pointed-to type
422         contains a placeholder.
423
424 2012-01-23  Richard Guenther  <rguenther@suse.de>
425
426         PR tree-optimization/51949
427         * ipa-split.c (execute_split_functions): Do not split malloc functions.
428
429 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
430
431         PR rtl-optimization/51933
432         * ree.c (transform_ifelse): Return true right away if dstreg is
433         already wider or equal to cand->mode.
434         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
435         (make_defs_and_copies_lists): Remove defs_list and copies_list
436         arguments, add state argument, just truncate state->work_list
437         instead of always allocating and freeing the vector.  Assert that
438         get_defs succeeds instead of returning 2.  Changed return type to bool.
439         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
440         have ext_src_mode, see if it has been modified already with the
441         right kind of extension and has been extended before from the
442         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
443         just return true.  Remember the original mode in state->modified array.
444         (combine_reaching_defs): Add state argument.  Don't allocate and
445         free here def_list, copied_list and vec vectors, instead just
446         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
447         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
448         Add state variable, clear vectors in it, initialize state.modified
449         if needed.  Free all the vectors at the end and state.modified too.
450         Don't skip a candidate if the extension expression has been modified.
451
452 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
453
454         PR target/47096
455         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
456          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
457         (extra_options) interix.opt -> i386/interix.opt"
458         (extra_objs):Add winnt-stubs.o
459         * configure.ac: Add interix to target_os .comm on PE check.
460         * configure: Regenerate.
461         * config/interix3.h: Delete and move bits to..
462         * config/interix.h: Delete and move bits to..
463         * config/i386/i386-interix3.h: Delete and move bits to..
464         * config/i386/i386-interix.h: ..here.
465         (TARGET_CPU_DEFAULT): Remove redefinition.
466         (TARGET_ASM_CONSTRUCTOR): Undefine.
467         (SUBTARGET_SWITCHES): Define for ms-bitfields.
468         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
469         (PTRDIFF_TYPE): Define.
470         (LONG_DOUBLE_TYPE_SIZE): Define.
471         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
472         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
473         (TARGET_SECTION_TYPE_FLAGS): Define.
474         (ASM_DECLARE_FUNCTION_NAME): Define.
475         (ASM_OUTPUT_EXTERNAL): Define.
476         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
477         (ASM_OUTPUT_ALIGNED_BSS): Define.
478         (PCC_BITFIELD_TYPE_MATTERS): Define.
479         (USE_CONST_SECTION): Define.
480         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
481         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
482         (SUPPORTS_ONE_ONLY): Remove.
483         (I386_PE_STRIP_ENCODING): Define.
484         * config/interix.opt: Delete and move bits to..
485         * config/i386/interix.opt: ..here. New.
486         (mpe-aligned-commons): Add.
487         * config/i386/t-interix: Add copyright header.
488         (winnt-stubs.o): Add rule.
489
490 2012-01-22  Jason Merrill  <jason@redhat.com>
491
492         PR c++/51832
493         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
494         for extra name aliases.
495
496 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
497
498         PR rtl-optimization/51924
499         * ree.c (combine_set_extension): Improve debugging message.
500         (combine_reaching_defs): Likewise.
501         (get_defs): Rename confusingly named variable.
502         (find_and_remove_re): Skip a candidate if the extension expression has
503         been modified.
504
505 2012-01-21  Robert Millan  <rmh@gnu.org>
506             Gerald Pfeifer  <gerald@pfeifer.com>
507
508         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
509         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
510
511 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
512
513         PR tree-optimization/51914
514         * tree-vect-stmts.c (vectorizable_conversion): For
515         cvt_type && modifier == WIDEN, put temporary with cvt_type
516         at the beginning of vec_dsts and set vec_dest to temporary
517         with vectype_out.
518
519 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
520
521         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
522
523 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
524
525         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
526         * config/rs6000/rs6000.c: Likewise.
527
528 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
529
530         PR target/51915
531         * config/arm/arm.c (arm_count_output_move_double_insns): Call
532         output_move_double on a copy of operands array.
533
534 2012-01-20  Cary Coutant  <ccoutant@google.com>
535             Dodji Seketeli  <dodji@redhat.com>
536
537         PR debug/45682
538         * dwarf2out.c (copy_declaration_context): Return ref to parent
539         of declaration DIE, if necessary.
540         (remove_child_or_replace_with_skeleton): Add new parameter; update
541         caller.  Place skeleton DIE under parent DIE of original declaration.
542         Move call to copy_declaration_context to here ...
543         (break_out_comdat_types): ... from here.
544
545 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
546
547         PR rtl-optimization/51856
548         * reload.c (find_reloads_subreg_address): Set the address_reloaded
549         flag to reloaded.
550
551 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
552
553         PR target/51819
554         * config/arm/arm.c (arm_print_operand): Correct output of alignment
555         hints for neon loads and stores.
556
557 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
558
559         PR target/49868
560         PR target/50887
561         * doc/extend.texi (Named Address Spaces): Split into subsections.
562         (AVR Named Address Spaces): New subsection.
563         (M32C Named Address Spaces): New subsection.
564         (RL78 Named Address Spaces): New subsection.
565         (SPU Named Address Spaces): New subsection.
566         (Variable Attributes): New anchor "AVR Variable Attributes".
567         (AVR Variable Attributes): Rewrite and avoid wording
568         "address space" in this context.
569         * doc/invoke.texi (AVR Options): Rewrite and add documentation
570         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
571         (AVR Built-in Macros): New subsubsection therein.
572         * doc/md.texi (AVR constraints): Remove "C04", "R".
573
574 2012-01-20  Richard Guenther  <rguenther@suse.de>
575
576         PR tree-optimization/51903
577         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
578         when removing stmts.
579
580 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
581
582         PR target/50313
583         * config/arm/arm.c (arm_load_pic_register): Use
584         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
585         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
586         (arm_pic_static_addr): Likewise.
587         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
588         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
589         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
590         (pic_load_addr_unified): New.
591
592 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
593
594         PR target/51106
595         * function.c (instantiate_virtual_regs_in_insn): Use
596         delete_insn_and_edges when removing a wrong asm insn.
597
598 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
599
600         PR rtl-optimization/40761
601         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
602         Add new member loop_num.
603         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
604         (ira_build): Remove the parameter.
605
606         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
607         (ira.c): Do not build CFG loops for one region allocation.  Remove
608         argument from ira_build call.
609
610         * ira-build.c (init_loop_tree_node): New function.
611         (create_loop_tree_nodes): Use it.  Separate the case when CFG
612         loops are not built.
613         (more_one_region_p): Check current_loops.
614         (finish_loop_tree_nodes): Separate the case when CFG loops are not
615         built.
616         (add_loop_to_tree): Process loop equal to NULL too.
617         (form_loop_tree): Separate the case when CFG loops are not built.
618         Use explicitly number for the root.
619         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
620         an assertion.
621         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
622         instead of loop->num.
623         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
624         (mark_all_loops_for_removal): Ditto.
625         (remove_unnecessary_regions): Separate the case when CFG loops
626         are not built.
627         (ira_build): Remove the parameter.  Use explicit number of regions
628         when CFG loops are not built.
629
630         * ira-color.c (print_loop_title): Separate the case for the root node.
631         Use loop_num instead of loop->num.
632         (move_spill_restore): Use loop_num instead of loop->num.
633
634         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
635         (change_loop): Ditto.
636         (change_loop): Use loop_num instead of loop->num.
637
638         * ira-lives.c (process_bb_node_lives): Ditto.
639
640         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
641
642         * ira-conflicts.c (print_allocno_conflicts): Ditto.
643
644 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
645
646         PR libmudflap/40778
647         * tree-mudflap.c (mf_artificial): New function.
648         (execute_mudflap_function_ops, execute_mudflap_function_decls,
649         mx_register_decls, mudflap_enqueue_decl): Use it.
650
651         PR target/51876
652         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
653         numbers in the insn pattern.
654
655 2012-01-19  Michael Matz  <matz@suse.de>
656
657         PR tree-optimization/46590
658         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
659         use it in remembering which conflicts we already created.
660         (add_scope_conflicts): Adjust call to above, (de)allocate helper
661         bitmap.
662
663 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
664
665         PR lto/51280
666         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
667         (merge_and_complain): Same.
668
669 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
670
671         PR bootstrap/50237
672         * config/initfini-array.h: Guard content of the header
673         with #ifdef HAVE_INITFINI_ARRAY.
674         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
675         Add initfini-array.h to tm_file here.
676         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
677         * config.gcc: Don't add initfini-array.h to tm_file here.
678         * configure: Regenerated.
679
680 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
681
682         PR rtl-optimization/51505
683         * df-problems.c (df_kill_notes): New parameter live. Update comment.
684         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
685         (df_note_bb_compute): Update the call to df_kill_notes.
686
687 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
688
689         * trans-mem.c (requires_barrier): Remove call to is_global_var.
690
691 2012-01-18  Richard Guenther  <rguenther@suse.de>
692
693         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
694         of conversions to void *.
695
696 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
697             Richard Sandiford  <rdsandiford@googlemail.com>
698
699         PR middle-end/50325
700         PR middle-end/51192
701         * optabs.h (simplify_expand_binop): Declare.
702         * optabs.c (simplify_expand_binop): Make global.
703         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
704         endian targets if the source cannot be exactly covered by word
705         mode chunks.
706
707 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
708
709         PR bootstrap/51872
710         * hard-reg-set.h (struct hard_reg_set_container): New type.
711         * target.h (struct hard_reg_set_container): Forward declare.
712         * target.def (set_up_by_prologue): New target hook.
713         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
714         * doc/tm.texi: Regenerated.
715         * function.c (thread_prologue_and_epilogue_insns): Change
716         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
717         Call targetm.set_up_by_prologue on it.
718         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
719         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
720
721 2012-01-17  Nick Clifton  <nickc@redhat.com>
722
723         * config/rx/rx.c (rx_can_use_simple_return): New function.
724         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
725         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
726
727 2012-01-17  Richard Guenther  <rguenther@suse.de>
728
729         PR middle-end/51782
730         * expr.c (expand_assignment): Take address-space information
731         from the address operand of MEM_REF and TARGET_MEM_REF.
732         (expand_expr_real_1): Likewise.
733
734 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
735
736         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
737         reload dump is requested.
738
739 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
740
741         PR other/51165
742         * trans-mem.c (requires_barrier): Call may_be_aliased.
743
744 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
745
746         PR tree-optimization/51877
747         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
748         call arguments and fndecls compare equal, instead return false if they
749         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
750         both SSA_NAMEs that are valueized the same, or they satisfy
751         operand_equal_p.
752
753 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
754
755         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
756         Solaris 11+.
757         * configure: Regenerate.
758
759 2012-01-16  Jan Hubicka  <jh@suse.cz>
760
761         PR c/12245
762         PR c++/14179
763         * convert.c (convert_to_integer): Use fold_convert for
764         converting an INTEGER_CST to integer type.
765
766 2012-01-16  Jason Merrill  <jason@redhat.com>
767
768         PR c++/14179
769         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
770
771 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
772
773         PR bootstrap/51860
774         * config/s390/s390.c (s390_chunkify_start): Don't skip
775         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
776         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
777         If insn is followed by NOTE_INSN_VAR_LOCATION or
778         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
779         Don't use location of note insns.
780
781         PR tree-optimization/51865
782         * tree-inline.c (tree_function_versioning): Call remap_decl
783         on DECL_RESULT whenever it has VOID_TYPE_P type.
784
785 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
786
787         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
788         for calls to locally-binding MIPS16 functions if only the return
789         type uses float regs.
790
791 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
792             Richard Sandiford  <rdsandiford@googlemail.com>
793
794         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
795         (SYMBOL_32_HIGH): Likewise.
796         (mips_output_tls_reloc_directive): Declare.
797         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
798         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
799         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
800         (mips_lo_relocs, mips_hi_relocs): Make extern.
801         (mips16_stub_function): Move up file.
802         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
803         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
804         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
805         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
806         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
807         (mips_get_tp): Add MIPS16 support.
808         (mips_legitimize_tls_address): Remove MIPS16 sorry().
809         Generalize DTPREL and TPREL handling.
810         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
811         Add MIPS16 TLS support.
812         (mips_output_tls_reloc_directive): New function.
813         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
814         * config/mips/predicates.md (symbolic_operand_with_high)
815         (tls_reloc_operand): New predicates.
816         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
817         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
818         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
819         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
820         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
821         (*tls_get_tp_mips16_call_<mode>): Likewise.
822
823 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
824
825         PR rtl-optimization/51821
826         * recog.c (peep2_find_free_register): Determine clobbered registers
827         from insn pattern.
828
829 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
830
831         PR target/50925
832         * config/avr/avr-protos.h: Revert change of 2012-01-09.
833         * config/avr/avr.c: Likewise.
834         * config/avr/avr.h: Likewise.
835
836 2012-01-13  Ian Lance Taylor  <iant@google.com>
837
838         PR c++/50012
839         * tree.h (TYPE_QUALS): Add cast to int.
840         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
841
842 2012-01-13  Ian Lance Taylor  <iant@google.com>
843
844         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
845         comparing param_index to VEC_length result.
846
847 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
848
849         * c-decl.c: Do not include tree-mudflap.h
850         * tree-optimize.c: Likewise.
851         * Makefile.in: Update dependencies.
852
853 2012-01-13  Richard Guenther  <rguenther@suse.de>
854
855         PR middle-end/8081
856         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
857         variable-sized result always use RSO.
858
859 2012-01-12  DJ Delorie  <dj@redhat.com>
860
861         * cfgexpand.c (convert_debug_memory_address): Allow any valid
862         pointer type, not just the default pointer type.
863
864 2012-01-09  Richard Henderson  <rth@redhat.com>
865             Denis Chertykov  <chertykov@gmail.com>
866
867         PR target/50925
868         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
869         * config/avr/avr.c (avr_can_eliminate): Simplify.
870         (avr_initial_elimination_offset): Likewise.
871         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
872         (expand_epilogue): Likewise.
873         (avr_legitimize_address): Gut.
874         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
875         (avr_hard_regno_nregs): New.
876         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
877         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
878         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
879         add soft frame pointer.
880         (CALL_USED_REGISTERS): Likewise.
881         (REG_CLASS_CONTENTS): Likewise.
882         (REGISTER_NAMES): Likewise.
883         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
884         (HARD_FRAME_POINTER_REGNUM): New.
885         (FRAME_POINTER_REGNUM): Use soft frame pointer.
886         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
887         remove the HARD_FRAME_POINTER self-elimination.
888
889 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
890
891         PR target/51756
892         * config/avr/avr.c (avr_encode_section_info): Test for absence of
893         DECL_EXTERNAL when checking for initializers of progmem variables.
894
895 2012-01-12  Ira Rosen  <irar@il.ibm.com>
896
897         PR tree-optimization/51799
898         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
899         that the last operation is a type demotion.
900
901 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
902
903         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
904         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
905
906 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
907
908         PR bootstrap/51796
909         * combine.c (distribute_notes): If i3 is a noreturn call,
910         allow old_size to be equal to args_size and make sure the
911         noreturn call gets REG_ARGS_SIZE note.
912         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
913         on noreturn calls even when the delta is 0.
914
915 2012-01-11  Nathan Sidwell  <nathan@acm.org>
916
917         * gcov.c (STRING_SIZE): Remove.
918         (generate_results): Erase annotations for source files with no
919         coverage information.
920         (read_line): New.
921         (output_lines): Use it.
922
923 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
924
925         * gimple.h (gimplify_body): Remove first argument.
926         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
927         pointer set here, instead just pass DATA to walk_tree.
928         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
929         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
930         (unvisit_body): Likewise, but with unmark_visited.
931         (gimplify_body): Remove BODY_P argument and adjust.
932         (gimplify_function_tree): Adjust call to gimplify_body.
933         * omp-low.c (finalize_task_copyfn): Likewise.
934
935 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
936
937         * tree.h (build_function_decl_skip_args): Add boolean parameter.
938         (build_function_type_skip_args): Delete.
939         * tree.c (build_function_type_skip_args): Make static and add
940         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
941         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
942         pass it to build_function_type_skip_args.
943         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
944         (tree_function_versioning): Likewise.
945         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
946         build_function_decl_skip_args.
947         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
948         and pass it to build_function_decl_skip_args/tree_function_versioning.
949         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
950         * ipa-inline-transform.c (save_inline_function_body): Likewise.
951         * trans-mem.c (ipa_tm_create_version): Likewise.
952         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
953         * tree-inline.c (declare_return_variable): Remove always-true test.
954         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
955         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
956         * ipa-split.c (split_function): Skip the return value for the split
957         part if it doesn't return.
958
959 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
960
961         PR tree-optimization/49642
962         * ipa-split.c (forbidden_dominators): New variable.
963         (check_forbidden_calls): New function.
964         (dominated_by_forbidden): Likewise.
965         (consider_split): Check for forbidden dominators.
966         (execute_split_functions): Initialize and free forbidden
967         dominators info; call check_forbidden_calls.
968
969 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
970
971         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
972
973 2012-01-11  Nick Clifton  <nickc@redhat.com>
974
975         * config/rx/rx.md (return): Define pattern.
976
977 2012-01-11  Richard Guenther  <rguenther@suse.de>
978
979         * doc/extend.texi (malloc attribute): Adjust according to
980         implementation.
981
982 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
983             Patrick Marlier  <patrick.marlier@gmail.com>
984
985         PR middle-end/51516
986         * trans-mem.c (get_cg_data): Traverse aliases if requested.
987         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
988         (ipa_tm_note_irrevocable): Same.
989         (ipa_tm_scan_irr_block): Same.
990         (ipa_tm_decrement_clone_counts): Same.
991         (ipa_tm_scan_irr_function): Same.
992         (ipa_tm_create_version_alias): Same.
993         (ipa_tm_create_version): Same.
994         (ipa_tm_transform_calls_redirect): Same.
995         (ipa_tm_transform_calls): Same.
996         (ipa_tm_transform_transaction): Same.
997         (ipa_tm_execute): Same.
998
999 2012-01-10  Richard Guenther  <rguenther@suse.de>
1000
1001         PR middle-end/51806
1002         * opts.c (common_handle_option): Handle -Werror.
1003
1004 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
1005
1006         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1007         operand number.
1008
1009 2012-01-10  Jason Merrill  <jason@redhat.com>
1010
1011         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1012         information.
1013
1014 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1015
1016         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1017         supports R_386_TLS_GD_PLT reloc.
1018         (gcc_cv_as_ix86_tlsldmplt): Check if linker
1019         supports R_386_TLS_LDM_PLT reloc.
1020         * configure: Regenerate.
1021         * config.in: Regenerate.
1022
1023 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
1024
1025         PR target/49868
1026         Extend __pgmx semantics to linearize memory.
1027         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1028         determine if code comes inline or from libgcc.
1029         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1030         (movmem_qi, movmem_qi): Set constraint #2 to "n".
1031         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1032         (movmemx_qi, movmemx_hi): New insns.
1033         (xload_<mode>_libgcc): Rewrite to new insn condition.
1034         (xload_<mode>): Remove insns.
1035         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1036         cases that don't satisfy avr_xload_libgcc_p().
1037         (avr_addr_space_convert): Allow converting in any direction.
1038         (avr_addr_space_subset_p): Return always true.
1039         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1040         (avr_emit_movmemhi): Ditto.
1041         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1042         (avr_out_movmem): Ditto.
1043         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1044         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1045         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1046         (avr_encode_section_info): Encode 'progmem' in symbol flags.
1047         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1048
1049 2012-01-10  Richard Guenther  <rguenther@suse.de>
1050
1051         PR tree-optimization/50913
1052         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1053         Require data-refs to be representable by Graphite with respect
1054         to any loop nest.
1055
1056 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
1057
1058         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1059         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1060
1061 2012-01-10  Tom de Vries  <tom@codesourcery.com>
1062
1063         PR rtl-optimization/51271
1064         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1065         handling annulled branch.
1066
1067 2012-01-10  Richard Henderson  <rth@redhat.com>
1068
1069         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1070         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1071         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1072         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1073         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1074         arm_expand_vec_perm_const): New.
1075         * config/arm/arm-protos.h: Update.
1076         * config/arm/neon.md (UNSPEC_VCONCAT): New.
1077         (*neon_vswp<VDQX>): New.
1078         (neon_vcombine<VDX>): Use neon_split_vcombine.
1079         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1080         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1081         (vec_perm<VE>): New.
1082
1083 2012-01-10  Richard Henderson  <rth@redhat.com>
1084
1085         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1086         use it if reload_completed.
1087         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1088         arm_output_asm_insn, arm_process_output_memory_barrier,
1089         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1090         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1091         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1092         arm_process_output_sync_insn, arm_output_sync_insn,
1093         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1094         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1095         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1096         (emit_unlikely_jump): New.
1097         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1098         (arm_split_atomic_op): New.
1099         * config/arm/arm-protos.h: Update.
1100         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1101         (struct arm_sync_generator): Remove.
1102         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1103         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1104         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1105         (VUNSPEC_LL, VUNSPEC_SC): New.
1106         (sync_result, sync_memory, sync_required_value, sync_new_value,
1107         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1108         (attr length): Don't use arm_sync_loop_insns.
1109         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1110         (movsfcc, movdfcc): Likewise.
1111         * config/arm/constraints.md (Ua): New.
1112         * config/arm/prediates.md (mem_noofs_operand): New.
1113         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1114         (sync_clobber, sync_t2_reqd): Remove.
1115         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1116         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1117         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1118         (arm_sync_compare_and_swap<SIDI>): Remove.
1119         (arm_sync_compare_and_swap<NARROW>): Remove.
1120         (arm_sync_lock_test_and_set<SIDI>): Remove.
1121         (arm_sync_lock_test_and_set<NARROW>): Remove.
1122         (arm_sync_new_<syncop><SIDI>): Remove.
1123         (arm_sync_new_<syncop><NARROW>): Remove.
1124         (arm_sync_new_nand<SIDI>): Remove.
1125         (arm_sync_new_nand<NARROW>): Remove.
1126         (arm_sync_old_<syncop><SIDI>): Remove.
1127         (arm_sync_old_<syncop><NARROW>): Remove.
1128         (arm_sync_old_nand<SIDI>): Remove.
1129         (arm_sync_old_nand<NARROW>): Remove.
1130         (*memory_barrier): Merge arm_output_memory_barrier.
1131         (atomic_compare_and_swap<QHSD>): New.
1132         (atomic_compare_and_swap<NARROW>_1): New.
1133         (atomic_compare_and_swap<SIDI>_1): New.
1134         (atomic_exchange<QHSD>): New.
1135         (cas_cmp_operand, cas_cmp_str): New.
1136         (atomic_op_operand, atomic_op_str): New.
1137         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1138         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1139         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1140         (arm_load_exclusive<NARROW>): New.
1141         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1142         (arm_store_exclusive<QHSD>): New.
1143
1144 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1145
1146         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1147         reload patterns if -mvsx-scalar-memory.
1148
1149         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1150         generated, even -mno-vsx-scalar-double was used.
1151         (vsx_xscvdpsp_scalar): Likewise.
1152         (vsx_xscvspdp_scalar2): Likewise.
1153
1154 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1155             Andrew Pinski  <apinski@cavium.com>
1156
1157         PR debug/51471
1158         * reorg.c (fill_slots_from_thread): Don't speculate
1159         frame-related insns.
1160
1161 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1162
1163         * sched-int.h (bb_note): Move to...
1164         * basic-block.h: ...here.
1165         * haifa-sched.c (bb_note): Move to...
1166         * cfgrtl.c: ...here.
1167         * function.c (next_block_for_reg): New function.
1168         (move_insn_for_shrink_wrap): Likewise.
1169         (prepare_shrink_wrap): Rewrite to use the above.
1170
1171 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1172
1173         * gimple.c (is_gimple_non_addressable): Remove.
1174         * gimple.h: Remove is_gimple_non_addressable.
1175         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1176         is_gimple_non_addressable.
1177         * trans-mem.c (expand_assign_tm): Same.
1178
1179 2012-01-09  Richard Guenther  <rguenther@suse.de>
1180
1181         PR tree-optimization/51775
1182         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1183         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1184
1185 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1186
1187         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1188         tuning parameters.
1189         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1190
1191 2012-01-09  Richard Guenther  <rguenther@suse.de>
1192
1193         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1194
1195 2012-01-08  Jan Hubicka  <jh@suse.cz>
1196
1197         PR tree-optimize/51680
1198         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1199         on when known_vals needs to be computed; cleanup.
1200
1201 2012-01-08  Jan Hubicka  <jh@suse.cz>
1202
1203         PR tree-optimize/51694
1204         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1205
1206 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1207
1208         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1209         for -std=c++98 and -std=c++11 too.
1210
1211 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1212
1213         * cfgloop.c (cancel_loop): Add free() of bbs array.
1214
1215 2012-01-07  Jan Hubicka  <jh@suse.cz>
1216
1217         PR tree-optimization/51600
1218         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1219         that benefits small functions.
1220
1221 2012-01-07  Jan Hubicka  <jh@suse.cz>
1222
1223         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1224
1225 2012-01-07  Jan Hubicka  <jh@suse.cz>
1226
1227         PR tree-optimization/51680
1228         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1229         whose inlining reduce unit size.
1230
1231 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1232
1233         PR bootstrap/51725
1234         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1235         Add canonical node to containing_mem chain after the non-canonical
1236         one, even if there weren't any locs to propagate.
1237         (remove_useless_values): Keep only canonical values.
1238         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1239         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1240         canonicalize mem_chain elements that are not discarded.
1241
1242 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1243
1244         PR target/47333
1245         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1246         before emitting functions.
1247
1248         PR gcov-profile/50127
1249         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1250         clear_aux_for_blocks.
1251
1252 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1253
1254         PR debug/51746
1255         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1256
1257 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1258
1259         * c-decl.c (ext_block): Moved up.
1260         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1261
1262 2012-01-06  Han Shen  <shenhan@google.com>
1263
1264         Translate built-in include paths for sysroot.
1265         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1266         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1267
1268         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1269         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1270
1271         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1272         control whether sysroot should be prepended to gxx include dir.
1273
1274         * configure: Regenerate.
1275
1276 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1277
1278         PR rtl-optimization/51771
1279         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1280         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1281
1282 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1283
1284         PR tree-optimization/51315
1285         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1286         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1287
1288 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1289
1290         PR target/51681
1291         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1292         for shrp pattern.  Correctly handle and fixup shift variable.
1293         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1294
1295 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1296
1297         PR debug/51762
1298         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1299         note when !ACCUMULATE_OUTGOING_ARGS.
1300
1301 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1302
1303         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1304         condition.
1305         (extract_range_from_unary_expr_1): Avoid useless computations.
1306
1307 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1308
1309         PR rtl-optimization/51767
1310         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1311         of jump_block and add an extra edge for degenerated asm gotos.
1312
1313         PR middle-end/51768
1314         * stmt.c (check_unique_operand_names): Don't ICE during error
1315         reporting if i is from labels chain.
1316
1317         PR middle-end/44777
1318         * profile.c (branch_prob): Split bbs that have exit edge
1319         and need a fake entry edge too.
1320
1321 2012-01-05  Jan Hubicka  <jh@suse.cz>
1322
1323         PR middle-end/49710
1324         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1325         unlooping loops.
1326
1327 2012-01-05  Richard Guenther  <rguenther@suse.de>
1328
1329         PR lto/50490
1330         * tree-streamer-out.c (write_ts_optimization): New function.
1331         (streamer_write_tree_body): Call it.
1332         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1333         (streamer_read_tree_body): Call it.
1334         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1335
1336 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1337
1338         PR middle-end/51761
1339         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1340         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1341         in_cleanup_point_expr before gimplify_stmt call and restore it
1342         afterwards.
1343         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1344         in_cleanup_point_expr is false.
1345
1346 2012-01-05  Richard Guenther  <rguenther@suse.de>
1347
1348         PR middle-end/51764
1349         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1350         to c.opt.
1351         * toplev.c (process_options): Reject combining mudflap and LTO.
1352         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1353
1354 2012-01-05  Richard Guenther  <rguenther@suse.de>
1355
1356         PR tree-optimization/51760
1357         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1358         not VARYING.
1359         (bit_value_unop): Handle UNDEFINED operands.
1360         (bit_value_binop): Likewise.
1361
1362 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1363
1364         * config/avr/avr.c (avr_replace_prefix): Remove.
1365         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1366         (avr_asm_function_rodata_section): Ditto.
1367         (avr_asm_select_section): Ditto.
1368
1369 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1370
1371         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1372         insertion.
1373
1374 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1375
1376         PR bootstrap/51648
1377         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1378         calls that have any non-fake successor edges.
1379
1380         PR debug/51746
1381         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1382
1383 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         PR tree-optimization/51624
1386         * tree-sra.c (build_ref_for_model): When replicating a chain of
1387         COMPONENT_REFs, stop as soon as the offset would become negative.
1388
1389 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1390
1391         PR debug/51695
1392         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1393         in .debug_loc on the floor.
1394
1395 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1396
1397         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1398
1399 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1400             Adam Nemet  <anemet@caviumnetworks.com>
1401
1402         * config/mips/mips.md (size): Add SI and DI.
1403         (SIZE): New mode attribute.
1404         (U): New code attribute.
1405         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1406         (mips_lbux_<mode>): Delete.
1407         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1408         (mips_lhx): Use gen_mips_lhx_extsi.
1409         (mips_lhx_<mode>): Delete.
1410         (mips_lwx): Delete.
1411         (mips_l<size>x): New expand.
1412         (mips_lwx_<mode>): Delete.
1413         (mips_l<GPR:size>x_<P:mode>): New pattern.
1414         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1415         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1416         * config/mips/mips.c (mips_lx_address_p): New function.
1417         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1418         (dsp64): New availability predicate.
1419         (mips_builtins): Add an entry for __builtin_mips_ldx.
1420         * config/mips/mips.h (ISA_HAS_LBX): New define.
1421         (ISA_HAS_LBUX): Likewise.
1422         (ISA_HAS_LHX): Likewise.
1423         (ISA_HAS_LHUX): Likewise.
1424         (ISA_HAS_LWX): Likewise.
1425         (ISA_HAS_LWUX): Likewise.
1426         (ISA_HAS_LDX): Likewise.
1427         * doc/extend.texi (__builtin_mips_ldx): Document.
1428
1429 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1430
1431         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1432         when long pointers are used.
1433         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1434         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1435         (ia64-hp-*vms*): Remove.
1436         * config/vms/xm-vms64.h: Delete.
1437
1438 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1439
1440         PR middle-end/51472
1441         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1442
1443 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1444
1445         * opts.c (finish_options): Remove duplicate sorry.
1446
1447 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1448
1449         PR middle-end/51696
1450         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1451         correctly.
1452
1453 2012-01-04  Richard Guenther  <rguenther@suse.de>
1454
1455         PR middle-end/51750
1456         * tree.c (size_low_cst): New function.
1457         * tree.h (size_low_cst): Declare.
1458         * fold-const.c (fold_comparison): Use it to extract the low
1459         part of the POINTER_PLUS_EXPR offset.
1460
1461 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1462
1463         Fix clearing ZERO_REG
1464         * config/avr/avr.md (cc): Add alternative "ldi".
1465         (movqi_insn): Use it in cc attribute.
1466         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1467         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1468         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1469
1470 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1471
1472         * configure: Regenerate.
1473
1474 2012-01-04  Richard Guenther  <rguenther@suse.de>
1475
1476         PR tree-optimization/49651
1477         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1478         (var_can_have_subvars): Use it.
1479         (get_constraint_for_1): Only consider subfields if there can be any.
1480
1481 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1482
1483         PR bootstrap/51725
1484         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1485         to its new canonical_cselib_val and the cselib_val was in
1486         first_containing_mem chain, but the canonical_cselib_val was not,
1487         add the latter into the chain.
1488         (cselib_invalidate_mem): Compare canonical_cselib_val of
1489         addr_list chain elt with v.
1490
1491         PR pch/51722
1492         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1493         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1494         of xstrdup.
1495         (output_macinfo_op): Don't ggc_strdup fd->filename.
1496         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1497         then ggc_strdup it.  Don't free inc->info or cur->info.
1498         (output_macinfo): Don't free ref->info or file->info.
1499
1500 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1501
1502         PR tree-optimization/51269
1503         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1504         first_niters a pointer.
1505         (slpeel_tree_peel_loop_to_edge): Likewise.
1506         (vect_do_peeling_for_loop_bound): Update call to
1507         slpeel_tree_peel_loop_to_edge.
1508         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1509         here.  Remove it from the parameters list.
1510         (vect_do_peeling_for_alignment): Update calls and compute
1511         wide_prolog_niters.
1512
1513 2012-01-03  Richard Guenther  <rguenther@suse.de>
1514
1515         PR tree-optimization/51070
1516         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1517         Properly handle calls.
1518
1519 2012-01-03  Richard Guenther  <rguenther@suse.de>
1520
1521         PR tree-optimization/51692
1522         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1523         the LHS of allocation stmts.
1524
1525 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1526
1527         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1528
1529 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1530
1531         * collect2.c (main): In AIX specific computations for vector
1532         insertions, use CONST_CAST2 to cast from char ** to const char **.
1533
1534 2012-01-03  Richard Guenther  <rguenther@suse.de>
1535
1536         PR debug/51650
1537         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1538         the context of a limbo DIE when it does not already exist.
1539
1540 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1541
1542         PR tree-optimization/51719
1543         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1544         but direct call is, clear direct call's lhs and don't add fallthrough
1545         edge from dcall_bb to join_bb and PHIs.
1546
1547 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1548
1549         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1550         the instructions emitted by the pattern.
1551         ("*TDC_insn_<mode>"): Add comment.
1552
1553 2012-01-03  Richard Guenther  <rguenther@suse.de>
1554
1555         PR middle-end/51730
1556         * fold-const.c (fold_comparison): Properly canonicalize
1557         tree offset and HOST_WIDE_INT bit position.
1558
1559 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1560
1561         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1562         operands for extzv pattern.
1563
1564 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1565
1566         PR bootstrap/51725
1567         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1568         on mem_elt first.
1569
1570 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1571
1572         * doc/invoke.texi (-flto and related options): Copy-edit.
1573
1574 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1575
1576         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1577
1578 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1579
1580         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1581         New patterns.
1582
1583 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1584
1585         * expr.h (move_by_pieces_ninsns): Declare.
1586         * expr.c (move_by_pieces_ninsns): Make external.
1587         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1588         (mips_store_by_pieces_p): Likewise.
1589         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1590         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1591         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1592         (mips_store_by_pieces_p): Likewise.
1593
1594 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1595
1596         * passes.c (register_one_dump_file): Free full_name.
1597
1598         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1599         (calculate_elim_costs_all_insns): Free offsets_at and
1600         offsets_known_at at the end and clear the pointers.
1601
1602 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1603
1604         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1605         this option introduced in r180739.
1606
1607 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1608
1609         PR target/51345
1610         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1611         (tmake_file target=avr): Add avr/t-multilib.
1612
1613         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1614         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1615         * config/avr/genmultilib.awk: New file.
1616         * config/avr/t-multilib: New auto-generated file.
1617         * config/avr/multilib.h: New auto-generated file.
1618         * config/avr/t-avr (AVR_MCUS): New variable.
1619         (genopt.sh): Use it.
1620         (s-mlib): Depend on t-multilib.
1621         (t-multilib, multilib.h): New dependencies.
1622         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1623         (MULTILIB_OPTIONS): Remove.
1624         (MULTILIB_MATCHES): Remove.
1625         (MULTILIB_DIRNAMES): Remove.
1626         (MULTILIB_EXCEPTIONS): Remove:
1627         * config/avr/genopt.sh: Don't use hard coded file name;
1628         pass AVR_MCUS from t-avr instead.
1629
1630 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1631
1632         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1633
1634 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1635
1636         Implement light-weight DImode support.
1637         * config/avr/avr-dimode.md: New file.
1638         * config/avr/avr.md: Include it.
1639         (adjust_len): Add plus64, compare64.
1640         (HIDI): Remove code iterator.
1641         (code_stdname): New code attribute.
1642         (rotx, rotsmode): Remove DI.
1643         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1644         as code iterator.
1645         * config/avr/avr-protos.h (avr_have_dimode): New.
1646         (avr_out_plus64, avr_out_compare64): New.
1647         * config/avr/avr.c (avr_out_compare): Handle DImode.
1648         (avr_have_dimode): New variable definition and initialization.
1649         (avr_out_compare64, avr_out_plus64): New functions.
1650         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1651         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1652         (avr_compare_pattern): Skip DImode comparisons.
1653
1654 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1655
1656         * ddg.c (def_has_ccmode_p): New function.
1657         (add_cross_iteration_register_deps,
1658         create_ddg_dep_from_intra_loop_link): Call it.
1659
1660 2012-01-02  Richard Guenther  <rguenther@suse.de>
1661
1662         PR other/51679
1663         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1664
1665 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1666
1667         * gcc.c (process_command): Update copyright notice dates.
1668         * gcov.c (print_version): Likewise.
1669         * gcov-dump.c (print_version): Likewise.
1670         * mips-tfile.c (main): Likewise.
1671         * mips-tdump.c (main): Likewise.
1672
1673 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1674
1675         PR tree-optimization/51704
1676         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1677         a use is inside the basic block or loop before accessing its vect info.
1678
1679 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1680
1681         PR rtl-optimization/51069
1682         * cfgloopmanip.c (remove_path): Removing path making irreducible
1683         region unconditional makes BB part of the region.
1684
1685 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1686
1687         PR tree-optimization/51683
1688         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1689         calls with side-effects.
1690         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1691 \f
1692 Copyright (C) 2012 Free Software Foundation, Inc.
1693
1694 Copying and distribution of this file, with or without modification,
1695 are permitted in any medium without royalty provided the copyright
1696 notice and this notice are preserved.