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Use maybe_expand_insn in maybe_emit_atomic_test_and_set.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-27  Richard Henderson  <rth@redhat.com>
2
3         * optabs.c (gen_atomic_test_and_set): Remove default.
4         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
5
6 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
7
8         PR rtl-optimization/51978
9         * ree.c (make_defs_and_copies_lists): Change set_pat type
10         to const_rtx.
11         (combine_reaching_defs): Likewise.
12         (struct re_info): Remove.
13         (add_removable_extension): Remove x and data arguments,
14         add insn, insn_list and def_map.  Use the arguments directly
15         instead of using struct re_info.
16         (find_removable_extensions): Don't call add_removable_extension
17         through note_stores, instead just call it with single_set
18         result if non-NULL.
19         (find_and_remove_re): Pass curr_cand->expr instead of
20         PATTERN (curr_cand->insn) as set_pat argument to
21         combine_reaching_defs.
22
23 2012-01-26  Michael Matz  <matz@suse.de>
24
25         PR tree-optimization/46590
26         * cfgexpand.c: Revert last change (r183305).
27         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
28         regs.
29         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
30         checking for emptiness.
31
32 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
33
34         PR middle-end/51895
35         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
36         non-addressable non-BLKmode base correctly.
37
38 2012-01-26  Michael Matz  <matz@suse.de>
39
40         PR tree-optimization/48794
41         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
42         regions referenced from RESX/EH_DISPATCH.
43
44 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
45
46         * config/s390/s390.h: Make BRANCH_COST an option.
47         * config/s390/s390.opt: New option -mbranch-cost.
48
49 2012-01-26  Richard Henderson  <rth@redhat.com>
50
51         Revert 2012-01-24 change:
52         * trans-mem.c (requires_barrier): Do not instrument thread local
53         variables and emit save/restore for them.
54
55 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
56
57         PR middle-end/51986
58         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
59         for pat == 0.
60
61 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
62
63         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
64         ASM_OPERANDS.
65
66 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
67
68         PR target/49868
69         Rename __pgm to __flash.
70         Rename __pgm1 to __flash1.
71         Rename __pgm2 to __flash2.
72         Rename __pgm3 to __flash3.
73         Rename __pgm4 to __flash4.
74         Rename __pgm5 to __flash5.
75         Rename __pgmx to __memx.
76         * doc/extend.texi (AVR Named Address Spaces)
77         Rename address space names as indicated above.
78         * config/avr/avr.c (avr_addrspace): Ditto.
79
80         * config/avr/avr-protos.h
81         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
82         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
83         * config/avr/predicates.md: Ditto.
84         * config/avr/avr.c Ditto, and
85         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
86         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
87
88         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
89         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
90         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
91         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
92         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
93         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
94         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
95         * config/avr/avr.c: Ditto.
96         * config/avr/avr.md: Ditto.
97
98 2012-01-25  Jason Merrill  <jason@redhat.com>
99
100         PR c++/51992
101         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
102
103 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
104
105         PR tree-optimization/51987
106         * tree-data-ref.c (get_references_in_stmt): Handle references in
107         non-volatile GIMPLE_ASM.
108
109 2012-01-25  Richard Guenther  <rguenther@suse.de>
110
111         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
112         bases are dereferenced.
113
114 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
115
116         PR rtl-optimization/48374
117         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors. 
118
119 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
120
121         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
122         compute_data_dependences_for_loop returns false.
123         * tree-parloops.c (loop_parallel_p): Likewise.
124
125 2012-01-25  Richard Guenther  <rguenther@suse.de>
126
127         * tree.h (get_pointer_alignment_1): Declare.
128         * builtins.c (get_pointer_alignment_1): New function.
129         (get_pointer_alignment): Use it.
130
131 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
132
133         PR rtl-optimization/48308
134         * combine.c (enum undo_kind): Add UNDO_LINKS.
135         (struct undo): Add member l to other_contents and where.
136         (do_SUBST_LINK): New.
137         (SUBST_LINK): New.
138         (try_combine): Handle LOG_LINKS for the dummy i1 case.
139         (undo_all): Handle UNDO_LINKS.
140
141 2012-01-25  Richard Henderson  <rth@redhat.com>
142
143         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
144         mem inputs.
145
146 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
147
148         * optabs.c (gen_atomic_test_and_set): Use each argument.
149
150 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
151
152         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
153         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
154         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
155         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
156         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
157         TARGET_PAIRED_SINGLE_FLOAT.
158
159 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
160
161         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
162         (in_struct, return_val): Remove MEM documentation.
163         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
164         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
165         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
166         and MEM_SCALAR.
167         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
168         * cfgexpand.c (add_alias_set_conflicts): Likewise.
169         * expr.c (store_field): Likewise.
170         * function.c (assign_stack_temp_for_type): Likewise.
171         * ifcvt.c (noce_try_cmove_arith): Likewise.
172         * reload1.c (reload): Likewise.
173         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
174         (alpha_set_memflags): Likewise.
175         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
176
177 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
178
179         * rtl.h (true_dependence, canon_true_dependence): Remove varies
180         parameter.
181         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
182         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
183         (true_dependence_1, true_dependence, canon_true_dependence): Remove
184         varies parameter.
185         * cselib.c (cselib_rtx_varies_p): Delete.
186         (cselib_invalidate_mem): Update call to canon_true_dependence.
187         * dse.c (record_store, check_mem_read_rtx): Likewise.
188         (scan_reads_nospill): Likewise.
189         * cse.c (check_dependence): Likewise.
190         (cse_rtx_varies_p): Delete.
191         * expr.c (safe_from_p): Update call to true_dependence.
192         * ira.c (validate_equiv_mem_from_store): Likewise.
193         (memref_referenced_p): Likewise.
194         * postreload-gcse.c (find_mem_conflicts): Likewise.
195         * sched-deps.c (sched_analyze_2): Likewise.
196         * store-motion.c (load_kills_store): Likewise.
197         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
198         * gcse.c (mems_conflict_for_gcse_p): Likewise.
199         (compute_transp): Update call to canon_true_dependence.
200
201 2012-01-25  Richard Henderson  <rth@redhat.com>
202
203         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
204         (maybe_emit_atomic_test_and_set): New.
205         (expand_sync_lock_test_and_set): Use it.
206         (expand_atomic_test_and_set): Likewise.
207         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
208         the implementation; clarify implementation defined details.
209         * doc/md.texi (atomic_test_and_set): Document.
210
211 2012-01-25  Richard Henderson  <rth@redhat.com>
212
213         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
214
215 2012-01-25  Richard Henderson  <rth@redhat.com>
216
217         PR target/51968
218         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
219         to effect no-op split.
220
221 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
222
223         PR lto/51698
224         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
225         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
226         (BT_FN_VOID_PTR_INT_SIZE): New.
227         (BT_FN_UINT_UINT_VAR): Remove.
228         (BT_FN_UINT32_UINT32_VAR): New.
229         (BT_FN_DOUBLE_VPTR): Remove.
230         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
231
232         * gtm-builtins.def (_ITM_abortTransaction): Set return type to
233         void.
234         (_ITM_changeTransactionMode): Same.
235         (_ITM_memmoveRtWt): Change return type to void.
236         (_ITM_memcpyRtWt): Same.
237         (_ITM_memsetW): Same.
238         (_ITM_RaRD): Change types to double.
239         (_ITM_RD): Same.
240         (_ITM_RaWD): Same.
241         (_ITM_RfWD): Same.
242
243         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
244
245 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
246             Patrick Marlier  <patrick.marlier@gmail.com>
247
248         * trans-mem.c (requires_barrier): Do not instrument thread local
249         variables and emit save/restore for them.
250
251 2012-01-24  Jason Merrill  <jason@redhat.com>
252
253         PR c++/51812
254         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
255         output static aliases.
256
257 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
258
259         PR driver/47249
260         * common.opt (-pie, -shared, pie, shared): Change from Common to
261         Driver.
262         * gcc.c (display_help): Display help for -pie and -shared.
263
264 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
265
266         PR target/49868
267         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
268         Remove note on size/offset limitation.
269         (AVR Variable Attributes): Add example how to read data located
270         with progmem.  Refer to named address spaces.
271         * doc/invoke.texi (AVR Options): Fix typo.
272
273 2012-01-24  Richard Guenther  <rguenther@suse.de>
274
275         Forward-port to trunk
276         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
277
278         PR middle-end/45678
279         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
280         op0 isn't sufficiently aligned and there is movmisalignM
281         insn for mode, use it to load op0 into a temporary register.
282
283 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
284
285         PR target/51957
286         * target.def (const_not_ok_for_debug_p): New hook.
287         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
288         documentation.
289         * doc/tm.texi: Regenerated.
290         * dwarf2out.c (const_ok_for_output_1): If
291         targetm.const_not_ok_for_debug_p returns true, fail.
292         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
293         function.
294         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
295
296 2012-01-23  Kai Tietz  <ktietz@redhat.com>
297
298         PR target/51900
299         * config/i386/predicates.md (symbolic_operand): Allow
300         UNSPEC_PCREL as PIC expression for lea.
301         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
302         * config/i386/i386.c (ix86_delegitimize_address): Handle
303         UNSPEC_PCREL for none-MEM, too.
304
305 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
306
307         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
308         (ipa_tm_create_version_alias): Same.
309
310 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
311
312         PR libitm/51830
313         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
314         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
315
316 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
317             Patrick Marlier  <patrick.marlier@gmail.com>
318             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
319
320         PR lto/51916
321         * lto-wrapper.c (run_gcc): Pass the LTO section name to
322         simple_object_start_read.
323
324 2012-01-23  Richard Guenther  <rguenther@suse.de>
325
326
327         PR tree-optimization/51895
328         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
329         parameter decomposition into BLKmode components.
330
331 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
332
333         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
334         fake variables for restrict-qualified pointers whose pointed-to type
335         contains a placeholder.
336
337 2012-01-23  Richard Guenther  <rguenther@suse.de>
338
339         PR tree-optimization/51949
340         * ipa-split.c (execute_split_functions): Do not split malloc functions.
341
342 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
343
344         PR rtl-optimization/51933
345         * ree.c (transform_ifelse): Return true right away if dstreg is
346         already wider or equal to cand->mode.
347         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
348         (make_defs_and_copies_lists): Remove defs_list and copies_list
349         arguments, add state argument, just truncate state->work_list
350         instead of always allocating and freeing the vector.  Assert that
351         get_defs succeeds instead of returning 2.  Changed return type to bool.
352         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
353         have ext_src_mode, see if it has been modified already with the
354         right kind of extension and has been extended before from the
355         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
356         just return true.  Remember the original mode in state->modified array.
357         (combine_reaching_defs): Add state argument.  Don't allocate and
358         free here def_list, copied_list and vec vectors, instead just
359         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
360         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
361         Add state variable, clear vectors in it, initialize state.modified
362         if needed.  Free all the vectors at the end and state.modified too.
363         Don't skip a candidate if the extension expression has been modified.
364
365 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
366
367         PR target/47096
368         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
369          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
370         (extra_options) interix.opt -> i386/interix.opt"
371         (extra_objs):Add winnt-stubs.o
372         * configure.ac: Add interix to target_os .comm on PE check.
373         * configure: Regenerate.
374         * config/interix3.h: Delete and move bits to..
375         * config/interix.h: Delete and move bits to..
376         * config/i386/i386-interix3.h: Delete and move bits to..
377         * config/i386/i386-interix.h: ..here.
378         (TARGET_CPU_DEFAULT): Remove redefinition.
379         (TARGET_ASM_CONSTRUCTOR): Undefine.
380         (SUBTARGET_SWITCHES): Define for ms-bitfields.
381         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
382         (PTRDIFF_TYPE): Define.
383         (LONG_DOUBLE_TYPE_SIZE): Define.
384         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
385         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
386         (TARGET_SECTION_TYPE_FLAGS): Define.
387         (ASM_DECLARE_FUNCTION_NAME): Define.
388         (ASM_OUTPUT_EXTERNAL): Define.
389         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
390         (ASM_OUTPUT_ALIGNED_BSS): Define.
391         (PCC_BITFIELD_TYPE_MATTERS): Define.
392         (USE_CONST_SECTION): Define.
393         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
394         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
395         (SUPPORTS_ONE_ONLY): Remove.
396         (I386_PE_STRIP_ENCODING): Define.
397         * config/interix.opt: Delete and move bits to..
398         * config/i386/interix.opt: ..here. New.
399         (mpe-aligned-commons): Add.
400         * config/i386/t-interix: Add copyright header.
401         (winnt-stubs.o): Add rule.
402
403 2012-01-22  Jason Merrill  <jason@redhat.com>
404
405         PR c++/51832
406         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
407         for extra name aliases.
408
409 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
410
411         PR rtl-optimization/51924
412         * ree.c (combine_set_extension): Improve debugging message.
413         (combine_reaching_defs): Likewise.
414         (get_defs): Rename confusingly named variable.
415         (find_and_remove_re): Skip a candidate if the extension expression has
416         been modified.
417
418 2012-01-21  Robert Millan  <rmh@gnu.org>
419             Gerald Pfeifer  <gerald@pfeifer.com>
420
421         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
422         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
423
424 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
425
426         PR tree-optimization/51914
427         * tree-vect-stmts.c (vectorizable_conversion): For
428         cvt_type && modifier == WIDEN, put temporary with cvt_type
429         at the beginning of vec_dsts and set vec_dest to temporary
430         with vectype_out.
431
432 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
433
434         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
435
436 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
437
438         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
439         * config/rs6000/rs6000.c: Likewise.
440
441 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
442
443         PR target/51915
444         * config/arm/arm.c (arm_count_output_move_double_insns): Call
445         output_move_double on a copy of operands array.
446
447 2012-01-20  Cary Coutant  <ccoutant@google.com>
448             Dodji Seketeli  <dodji@redhat.com>
449
450         PR debug/45682
451         * dwarf2out.c (copy_declaration_context): Return ref to parent
452         of declaration DIE, if necessary.
453         (remove_child_or_replace_with_skeleton): Add new parameter; update
454         caller.  Place skeleton DIE under parent DIE of original declaration.
455         Move call to copy_declaration_context to here ...
456         (break_out_comdat_types): ... from here.
457
458 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
459
460         PR rtl-optimization/51856
461         * reload.c (find_reloads_subreg_address): Set the address_reloaded
462         flag to reloaded.
463
464 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
465
466         PR target/51819
467         * config/arm/arm.c (arm_print_operand): Correct output of alignment
468         hints for neon loads and stores.
469
470 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
471
472         PR target/49868
473         PR target/50887
474         * doc/extend.texi (Named Address Spaces): Split into subsections.
475         (AVR Named Address Spaces): New subsection.
476         (M32C Named Address Spaces): New subsection.
477         (RL78 Named Address Spaces): New subsection.
478         (SPU Named Address Spaces): New subsection.
479         (Variable Attributes): New anchor "AVR Variable Attributes".
480         (AVR Variable Attributes): Rewrite and avoid wording
481         "address space" in this context.
482         * doc/invoke.texi (AVR Options): Rewrite and add documentation
483         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
484         (AVR Built-in Macros): New subsubsection therein.
485         * doc/md.texi (AVR constraints): Remove "C04", "R".
486
487 2012-01-20  Richard Guenther  <rguenther@suse.de>
488
489         PR tree-optimization/51903
490         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
491         when removing stmts.
492
493 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
494
495         PR target/50313
496         * config/arm/arm.c (arm_load_pic_register): Use
497         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
498         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
499         (arm_pic_static_addr): Likewise.
500         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
501         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
502         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
503         (pic_load_addr_unified): New.
504
505 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
506
507         PR target/51106
508         * function.c (instantiate_virtual_regs_in_insn): Use
509         delete_insn_and_edges when removing a wrong asm insn.
510
511 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
512
513         PR rtl-optimization/40761
514         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
515         Add new member loop_num.
516         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
517         (ira_build): Remove the parameter.
518
519         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
520         (ira.c): Do not build CFG loops for one region allocation.  Remove
521         argument from ira_build call.
522
523         * ira-build.c (init_loop_tree_node): New function.
524         (create_loop_tree_nodes): Use it.  Separate the case when CFG
525         loops are not built.
526         (more_one_region_p): Check current_loops.
527         (finish_loop_tree_nodes): Separate the case when CFG loops are not
528         built.
529         (add_loop_to_tree): Process loop equal to NULL too.
530         (form_loop_tree): Separate the case when CFG loops are not built.
531         Use explicitly number for the root.
532         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
533         an assertion.
534         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
535         instead of loop->num.
536         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
537         (mark_all_loops_for_removal): Ditto.
538         (remove_unnecessary_regions): Separate the case when CFG loops
539         are not built.
540         (ira_build): Remove the parameter.  Use explicit number of regions
541         when CFG loops are not built.
542
543         * ira-color.c (print_loop_title): Separate the case for the root node.
544         Use loop_num instead of loop->num.
545         (move_spill_restore): Use loop_num instead of loop->num.
546
547         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
548         (change_loop): Ditto.
549         (change_loop): Use loop_num instead of loop->num.
550
551         * ira-lives.c (process_bb_node_lives): Ditto.
552
553         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
554
555         * ira-conflicts.c (print_allocno_conflicts): Ditto.
556
557 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
558
559         PR libmudflap/40778
560         * tree-mudflap.c (mf_artificial): New function.
561         (execute_mudflap_function_ops, execute_mudflap_function_decls,
562         mx_register_decls, mudflap_enqueue_decl): Use it.
563
564         PR target/51876
565         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
566         numbers in the insn pattern.
567
568 2012-01-19  Michael Matz  <matz@suse.de>
569
570         PR tree-optimization/46590
571         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
572         use it in remembering which conflicts we already created.
573         (add_scope_conflicts): Adjust call to above, (de)allocate helper
574         bitmap.
575
576 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
577
578         PR lto/51280
579         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
580         (merge_and_complain): Same.
581
582 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
583
584         PR bootstrap/50237
585         * config/initfini-array.h: Guard content of the header
586         with #ifdef HAVE_INITFINI_ARRAY.
587         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
588         Add initfini-array.h to tm_file here.
589         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
590         * config.gcc: Don't add initfini-array.h to tm_file here.
591         * configure: Regenerated.
592
593 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
594
595         PR rtl-optimization/51505
596         * df-problems.c (df_kill_notes): New parameter live. Update comment.
597         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
598         (df_note_bb_compute): Update the call to df_kill_notes.
599
600 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
601
602         * trans-mem.c (requires_barrier): Remove call to is_global_var.
603
604 2012-01-18  Richard Guenther  <rguenther@suse.de>
605
606         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
607         of conversions to void *.
608
609 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
610             Richard Sandiford  <rdsandiford@googlemail.com>
611
612         PR middle-end/50325
613         PR middle-end/51192
614         * optabs.h (simplify_expand_binop): Declare.
615         * optabs.c (simplify_expand_binop): Make global.
616         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
617         endian targets if the source cannot be exactly covered by word
618         mode chunks.
619
620 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
621
622         PR bootstrap/51872
623         * hard-reg-set.h (struct hard_reg_set_container): New type.
624         * target.h (struct hard_reg_set_container): Forward declare.
625         * target.def (set_up_by_prologue): New target hook.
626         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
627         * doc/tm.texi: Regenerated.
628         * function.c (thread_prologue_and_epilogue_insns): Change
629         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
630         Call targetm.set_up_by_prologue on it.
631         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
632         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
633
634 2012-01-17  Nick Clifton  <nickc@redhat.com>
635
636         * config/rx/rx.c (rx_can_use_simple_return): New function.
637         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
638         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
639
640 2012-01-17  Richard Guenther  <rguenther@suse.de>
641
642         PR middle-end/51782
643         * expr.c (expand_assignment): Take address-space information
644         from the address operand of MEM_REF and TARGET_MEM_REF.
645         (expand_expr_real_1): Likewise.
646
647 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
648
649         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
650         reload dump is requested.
651
652 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
653
654         PR other/51165
655         * trans-mem.c (requires_barrier): Call may_be_aliased.
656
657 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
658
659         PR tree-optimization/51877
660         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
661         call arguments and fndecls compare equal, instead return false if they
662         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
663         both SSA_NAMEs that are valueized the same, or they satisfy
664         operand_equal_p.
665
666 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
667
668         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
669         Solaris 11+.
670         * configure: Regenerate.
671
672 2012-01-16  Jan Hubicka  <jh@suse.cz>
673
674         PR c/12245
675         PR c++/14179
676         * convert.c (convert_to_integer): Use fold_convert for
677         converting an INTEGER_CST to integer type.
678
679 2012-01-16  Jason Merrill  <jason@redhat.com>
680
681         PR c++/14179
682         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
683
684 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
685
686         PR bootstrap/51860
687         * config/s390/s390.c (s390_chunkify_start): Don't skip
688         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
689         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
690         If insn is followed by NOTE_INSN_VAR_LOCATION or
691         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
692         Don't use location of note insns.
693
694         PR tree-optimization/51865
695         * tree-inline.c (tree_function_versioning): Call remap_decl
696         on DECL_RESULT whenever it has VOID_TYPE_P type.
697
698 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
699
700         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
701         for calls to locally-binding MIPS16 functions if only the return
702         type uses float regs.
703
704 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
705             Richard Sandiford  <rdsandiford@googlemail.com>
706
707         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
708         (SYMBOL_32_HIGH): Likewise.
709         (mips_output_tls_reloc_directive): Declare.
710         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
711         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
712         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
713         (mips_lo_relocs, mips_hi_relocs): Make extern.
714         (mips16_stub_function): Move up file.
715         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
716         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
717         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
718         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
719         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
720         (mips_get_tp): Add MIPS16 support.
721         (mips_legitimize_tls_address): Remove MIPS16 sorry().
722         Generalize DTPREL and TPREL handling.
723         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
724         Add MIPS16 TLS support.
725         (mips_output_tls_reloc_directive): New function.
726         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
727         * config/mips/predicates.md (symbolic_operand_with_high)
728         (tls_reloc_operand): New predicates.
729         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
730         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
731         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
732         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
733         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
734         (*tls_get_tp_mips16_call_<mode>): Likewise.
735
736 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
737
738         PR rtl-optimization/51821
739         * recog.c (peep2_find_free_register): Determine clobbered registers
740         from insn pattern.
741
742 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
743
744         PR target/50925
745         * config/avr/avr-protos.h: Revert change of 2012-01-09.
746         * config/avr/avr.c: Likewise.
747         * config/avr/avr.h: Likewise.
748
749 2012-01-13  Ian Lance Taylor  <iant@google.com>
750
751         PR c++/50012
752         * tree.h (TYPE_QUALS): Add cast to int.
753         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
754
755 2012-01-13  Ian Lance Taylor  <iant@google.com>
756
757         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
758         comparing param_index to VEC_length result.
759
760 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
761
762         * c-decl.c: Do not include tree-mudflap.h
763         * tree-optimize.c: Likewise.
764         * Makefile.in: Update dependencies.
765
766 2012-01-13  Richard Guenther  <rguenther@suse.de>
767
768         PR middle-end/8081
769         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
770         variable-sized result always use RSO.
771
772 2012-01-12  DJ Delorie  <dj@redhat.com>
773
774         * cfgexpand.c (convert_debug_memory_address): Allow any valid
775         pointer type, not just the default pointer type.
776
777 2012-01-09  Richard Henderson  <rth@redhat.com>
778             Denis Chertykov  <chertykov@gmail.com>
779
780         PR target/50925
781         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
782         * config/avr/avr.c (avr_can_eliminate): Simplify.
783         (avr_initial_elimination_offset): Likewise.
784         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
785         (expand_epilogue): Likewise.
786         (avr_legitimize_address): Gut.
787         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
788         (avr_hard_regno_nregs): New.
789         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
790         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
791         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
792         add soft frame pointer.
793         (CALL_USED_REGISTERS): Likewise.
794         (REG_CLASS_CONTENTS): Likewise.
795         (REGISTER_NAMES): Likewise.
796         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
797         (HARD_FRAME_POINTER_REGNUM): New.
798         (FRAME_POINTER_REGNUM): Use soft frame pointer.
799         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
800         remove the HARD_FRAME_POINTER self-elimination.
801
802 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
803
804         PR target/51756
805         * config/avr/avr.c (avr_encode_section_info): Test for absence of
806         DECL_EXTERNAL when checking for initializers of progmem variables.
807
808 2012-01-12  Ira Rosen  <irar@il.ibm.com>
809
810         PR tree-optimization/51799
811         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
812         that the last operation is a type demotion.
813
814 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
815
816         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
817         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
818
819 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
820
821         PR bootstrap/51796
822         * combine.c (distribute_notes): If i3 is a noreturn call,
823         allow old_size to be equal to args_size and make sure the
824         noreturn call gets REG_ARGS_SIZE note.
825         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
826         on noreturn calls even when the delta is 0.
827
828 2012-01-11  Nathan Sidwell  <nathan@acm.org>
829
830         * gcov.c (STRING_SIZE): Remove.
831         (generate_results): Erase annotations for source files with no
832         coverage information.
833         (read_line): New.
834         (output_lines): Use it.
835
836 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
837
838         * gimple.h (gimplify_body): Remove first argument.
839         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
840         pointer set here, instead just pass DATA to walk_tree.
841         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
842         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
843         (unvisit_body): Likewise, but with unmark_visited.
844         (gimplify_body): Remove BODY_P argument and adjust.
845         (gimplify_function_tree): Adjust call to gimplify_body.
846         * omp-low.c (finalize_task_copyfn): Likewise.
847
848 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
849
850         * tree.h (build_function_decl_skip_args): Add boolean parameter.
851         (build_function_type_skip_args): Delete.
852         * tree.c (build_function_type_skip_args): Make static and add
853         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
854         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
855         pass it to build_function_type_skip_args.
856         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
857         (tree_function_versioning): Likewise.
858         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
859         build_function_decl_skip_args.
860         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
861         and pass it to build_function_decl_skip_args/tree_function_versioning.
862         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
863         * ipa-inline-transform.c (save_inline_function_body): Likewise.
864         * trans-mem.c (ipa_tm_create_version): Likewise.
865         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
866         * tree-inline.c (declare_return_variable): Remove always-true test.
867         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
868         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
869         * ipa-split.c (split_function): Skip the return value for the split
870         part if it doesn't return.
871
872 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
873
874         PR tree-optimization/49642
875         * ipa-split.c (forbidden_dominators): New variable.
876         (check_forbidden_calls): New function.
877         (dominated_by_forbidden): Likewise.
878         (consider_split): Check for forbidden dominators.
879         (execute_split_functions): Initialize and free forbidden
880         dominators info; call check_forbidden_calls.
881
882 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
883
884         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
885
886 2012-01-11  Nick Clifton  <nickc@redhat.com>
887
888         * config/rx/rx.md (return): Define pattern.
889
890 2012-01-11  Richard Guenther  <rguenther@suse.de>
891
892         * doc/extend.texi (malloc attribute): Adjust according to
893         implementation.
894
895 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
896             Patrick Marlier  <patrick.marlier@gmail.com>
897
898         PR middle-end/51516
899         * trans-mem.c (get_cg_data): Traverse aliases if requested.
900         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
901         (ipa_tm_note_irrevocable): Same.
902         (ipa_tm_scan_irr_block): Same.
903         (ipa_tm_decrement_clone_counts): Same.
904         (ipa_tm_scan_irr_function): Same.
905         (ipa_tm_create_version_alias): Same.
906         (ipa_tm_create_version): Same.
907         (ipa_tm_transform_calls_redirect): Same.
908         (ipa_tm_transform_calls): Same.
909         (ipa_tm_transform_transaction): Same.
910         (ipa_tm_execute): Same.
911
912 2012-01-10  Richard Guenther  <rguenther@suse.de>
913
914         PR middle-end/51806
915         * opts.c (common_handle_option): Handle -Werror.
916
917 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
918
919         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
920         operand number.
921
922 2012-01-10  Jason Merrill  <jason@redhat.com>
923
924         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
925         information.
926
927 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
928
929         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
930         supports R_386_TLS_GD_PLT reloc.
931         (gcc_cv_as_ix86_tlsldmplt): Check if linker
932         supports R_386_TLS_LDM_PLT reloc.
933         * configure: Regenerate.
934         * config.in: Regenerate.
935
936 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
937
938         PR target/49868
939         Extend __pgmx semantics to linearize memory.
940         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
941         determine if code comes inline or from libgcc.
942         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
943         (movmem_qi, movmem_qi): Set constraint #2 to "n".
944         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
945         (movmemx_qi, movmemx_hi): New insns.
946         (xload_<mode>_libgcc): Rewrite to new insn condition.
947         (xload_<mode>): Remove insns.
948         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
949         cases that don't satisfy avr_xload_libgcc_p().
950         (avr_addr_space_convert): Allow converting in any direction.
951         (avr_addr_space_subset_p): Return always true.
952         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
953         (avr_emit_movmemhi): Ditto.
954         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
955         (avr_out_movmem): Ditto.
956         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
957         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
958         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
959         (avr_encode_section_info): Encode 'progmem' in symbol flags.
960         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
961
962 2012-01-10  Richard Guenther  <rguenther@suse.de>
963
964         PR tree-optimization/50913
965         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
966         Require data-refs to be representable by Graphite with respect
967         to any loop nest.
968
969 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
970
971         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
972         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
973
974 2012-01-10  Tom de Vries  <tom@codesourcery.com>
975
976         PR rtl-optimization/51271
977         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
978         handling annulled branch.
979
980 2012-01-10  Richard Henderson  <rth@redhat.com>
981
982         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
983         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
984         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
985         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
986         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
987         arm_expand_vec_perm_const): New.
988         * config/arm/arm-protos.h: Update.
989         * config/arm/neon.md (UNSPEC_VCONCAT): New.
990         (*neon_vswp<VDQX>): New.
991         (neon_vcombine<VDX>): Use neon_split_vcombine.
992         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
993         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
994         (vec_perm<VE>): New.
995
996 2012-01-10  Richard Henderson  <rth@redhat.com>
997
998         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
999         use it if reload_completed.
1000         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1001         arm_output_asm_insn, arm_process_output_memory_barrier,
1002         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1003         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1004         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1005         arm_process_output_sync_insn, arm_output_sync_insn,
1006         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1007         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1008         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1009         (emit_unlikely_jump): New.
1010         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1011         (arm_split_atomic_op): New.
1012         * config/arm/arm-protos.h: Update.
1013         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1014         (struct arm_sync_generator): Remove.
1015         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1016         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1017         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1018         (VUNSPEC_LL, VUNSPEC_SC): New.
1019         (sync_result, sync_memory, sync_required_value, sync_new_value,
1020         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1021         (attr length): Don't use arm_sync_loop_insns.
1022         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1023         (movsfcc, movdfcc): Likewise.
1024         * config/arm/constraints.md (Ua): New.
1025         * config/arm/prediates.md (mem_noofs_operand): New.
1026         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1027         (sync_clobber, sync_t2_reqd): Remove.
1028         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1029         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1030         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1031         (arm_sync_compare_and_swap<SIDI>): Remove.
1032         (arm_sync_compare_and_swap<NARROW>): Remove.
1033         (arm_sync_lock_test_and_set<SIDI>): Remove.
1034         (arm_sync_lock_test_and_set<NARROW>): Remove.
1035         (arm_sync_new_<syncop><SIDI>): Remove.
1036         (arm_sync_new_<syncop><NARROW>): Remove.
1037         (arm_sync_new_nand<SIDI>): Remove.
1038         (arm_sync_new_nand<NARROW>): Remove.
1039         (arm_sync_old_<syncop><SIDI>): Remove.
1040         (arm_sync_old_<syncop><NARROW>): Remove.
1041         (arm_sync_old_nand<SIDI>): Remove.
1042         (arm_sync_old_nand<NARROW>): Remove.
1043         (*memory_barrier): Merge arm_output_memory_barrier.
1044         (atomic_compare_and_swap<QHSD>): New.
1045         (atomic_compare_and_swap<NARROW>_1): New.
1046         (atomic_compare_and_swap<SIDI>_1): New.
1047         (atomic_exchange<QHSD>): New.
1048         (cas_cmp_operand, cas_cmp_str): New.
1049         (atomic_op_operand, atomic_op_str): New.
1050         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1051         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1052         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1053         (arm_load_exclusive<NARROW>): New.
1054         (arm_load_exclusivesi, arm_load_exclusivedi): New.
1055         (arm_store_exclusive<QHSD>): New.
1056
1057 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1058
1059         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1060         reload patterns if -mvsx-scalar-memory.
1061
1062         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1063         generated, even -mno-vsx-scalar-double was used.
1064         (vsx_xscvdpsp_scalar): Likewise.
1065         (vsx_xscvspdp_scalar2): Likewise.
1066
1067 2012-01-09  Tom de Vries  <tom@codesourcery.com>
1068             Andrew Pinski  <apinski@cavium.com>
1069
1070         PR debug/51471
1071         * reorg.c (fill_slots_from_thread): Don't speculate
1072         frame-related insns.
1073
1074 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
1075
1076         * sched-int.h (bb_note): Move to...
1077         * basic-block.h: ...here.
1078         * haifa-sched.c (bb_note): Move to...
1079         * cfgrtl.c: ...here.
1080         * function.c (next_block_for_reg): New function.
1081         (move_insn_for_shrink_wrap): Likewise.
1082         (prepare_shrink_wrap): Rewrite to use the above.
1083
1084 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
1085
1086         * gimple.c (is_gimple_non_addressable): Remove.
1087         * gimple.h: Remove is_gimple_non_addressable.
1088         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1089         is_gimple_non_addressable.
1090         * trans-mem.c (expand_assign_tm): Same.
1091
1092 2012-01-09  Richard Guenther  <rguenther@suse.de>
1093
1094         PR tree-optimization/51775
1095         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1096         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1097
1098 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1099
1100         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1101         tuning parameters.
1102         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1103
1104 2012-01-09  Richard Guenther  <rguenther@suse.de>
1105
1106         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1107
1108 2012-01-08  Jan Hubicka  <jh@suse.cz>
1109
1110         PR tree-optimize/51680
1111         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1112         on when known_vals needs to be computed; cleanup.
1113
1114 2012-01-08  Jan Hubicka  <jh@suse.cz>
1115
1116         PR tree-optimize/51694
1117         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1118
1119 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
1120
1121         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1122         for -std=c++98 and -std=c++11 too.
1123
1124 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1125
1126         * cfgloop.c (cancel_loop): Add free() of bbs array.
1127
1128 2012-01-07  Jan Hubicka  <jh@suse.cz>
1129
1130         PR tree-optimization/51600
1131         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1132         that benefits small functions.
1133
1134 2012-01-07  Jan Hubicka  <jh@suse.cz>
1135
1136         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1137
1138 2012-01-07  Jan Hubicka  <jh@suse.cz>
1139
1140         PR tree-optimization/51680
1141         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1142         whose inlining reduce unit size.
1143
1144 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1145
1146         PR bootstrap/51725
1147         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1148         Add canonical node to containing_mem chain after the non-canonical
1149         one, even if there weren't any locs to propagate.
1150         (remove_useless_values): Keep only canonical values.
1151         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1152         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1153         canonicalize mem_chain elements that are not discarded.
1154
1155 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1156
1157         PR target/47333
1158         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1159         before emitting functions.
1160
1161         PR gcov-profile/50127
1162         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1163         clear_aux_for_blocks.
1164
1165 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1166
1167         PR debug/51746
1168         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1169
1170 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1171
1172         * c-decl.c (ext_block): Moved up.
1173         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1174
1175 2012-01-06  Han Shen  <shenhan@google.com>
1176
1177         Translate built-in include paths for sysroot.
1178         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1179         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1180
1181         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1182         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1183
1184         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1185         control whether sysroot should be prepended to gxx include dir.
1186
1187         * configure: Regenerate.
1188
1189 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1190
1191         PR rtl-optimization/51771
1192         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1193         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1194
1195 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1196
1197         PR tree-optimization/51315
1198         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1199         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1200
1201 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1202
1203         PR target/51681
1204         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1205         for shrp pattern.  Correctly handle and fixup shift variable.
1206         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1207
1208 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR debug/51762
1211         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1212         note when !ACCUMULATE_OUTGOING_ARGS.
1213
1214 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1215
1216         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1217         condition.
1218         (extract_range_from_unary_expr_1): Avoid useless computations.
1219
1220 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1221
1222         PR rtl-optimization/51767
1223         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1224         of jump_block and add an extra edge for degenerated asm gotos.
1225
1226         PR middle-end/51768
1227         * stmt.c (check_unique_operand_names): Don't ICE during error
1228         reporting if i is from labels chain.
1229
1230         PR middle-end/44777
1231         * profile.c (branch_prob): Split bbs that have exit edge
1232         and need a fake entry edge too.
1233
1234 2012-01-05  Jan Hubicka  <jh@suse.cz>
1235
1236         PR middle-end/49710
1237         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1238         unlooping loops.
1239
1240 2012-01-05  Richard Guenther  <rguenther@suse.de>
1241
1242         PR lto/50490
1243         * tree-streamer-out.c (write_ts_optimization): New function.
1244         (streamer_write_tree_body): Call it.
1245         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1246         (streamer_read_tree_body): Call it.
1247         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1248
1249 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1250
1251         PR middle-end/51761
1252         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1253         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1254         in_cleanup_point_expr before gimplify_stmt call and restore it
1255         afterwards.
1256         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1257         in_cleanup_point_expr is false.
1258
1259 2012-01-05  Richard Guenther  <rguenther@suse.de>
1260
1261         PR middle-end/51764
1262         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1263         to c.opt.
1264         * toplev.c (process_options): Reject combining mudflap and LTO.
1265         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1266
1267 2012-01-05  Richard Guenther  <rguenther@suse.de>
1268
1269         PR tree-optimization/51760
1270         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1271         not VARYING.
1272         (bit_value_unop): Handle UNDEFINED operands.
1273         (bit_value_binop): Likewise.
1274
1275 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1276
1277         * config/avr/avr.c (avr_replace_prefix): Remove.
1278         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1279         (avr_asm_function_rodata_section): Ditto.
1280         (avr_asm_select_section): Ditto.
1281
1282 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1283
1284         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1285         insertion.
1286
1287 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1288
1289         PR bootstrap/51648
1290         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1291         calls that have any non-fake successor edges.
1292
1293         PR debug/51746
1294         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1295
1296 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1297
1298         PR tree-optimization/51624
1299         * tree-sra.c (build_ref_for_model): When replicating a chain of
1300         COMPONENT_REFs, stop as soon as the offset would become negative.
1301
1302 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1303
1304         PR debug/51695
1305         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1306         in .debug_loc on the floor.
1307
1308 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1309
1310         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1311
1312 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1313             Adam Nemet  <anemet@caviumnetworks.com>
1314
1315         * config/mips/mips.md (size): Add SI and DI.
1316         (SIZE): New mode attribute.
1317         (U): New code attribute.
1318         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1319         (mips_lbux_<mode>): Delete.
1320         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1321         (mips_lhx): Use gen_mips_lhx_extsi.
1322         (mips_lhx_<mode>): Delete.
1323         (mips_lwx): Delete.
1324         (mips_l<size>x): New expand.
1325         (mips_lwx_<mode>): Delete.
1326         (mips_l<GPR:size>x_<P:mode>): New pattern.
1327         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1328         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1329         * config/mips/mips.c (mips_lx_address_p): New function.
1330         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1331         (dsp64): New availability predicate.
1332         (mips_builtins): Add an entry for __builtin_mips_ldx.
1333         * config/mips/mips.h (ISA_HAS_LBX): New define.
1334         (ISA_HAS_LBUX): Likewise.
1335         (ISA_HAS_LHX): Likewise.
1336         (ISA_HAS_LHUX): Likewise.
1337         (ISA_HAS_LWX): Likewise.
1338         (ISA_HAS_LWUX): Likewise.
1339         (ISA_HAS_LDX): Likewise.
1340         * doc/extend.texi (__builtin_mips_ldx): Document.
1341
1342 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1343
1344         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1345         when long pointers are used.
1346         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1347         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1348         (ia64-hp-*vms*): Remove.
1349         * config/vms/xm-vms64.h: Delete.
1350
1351 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1352
1353         PR middle-end/51472
1354         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1355
1356 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1357
1358         * opts.c (finish_options): Remove duplicate sorry.
1359
1360 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1361
1362         PR middle-end/51696
1363         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1364         correctly.
1365
1366 2012-01-04  Richard Guenther  <rguenther@suse.de>
1367
1368         PR middle-end/51750
1369         * tree.c (size_low_cst): New function.
1370         * tree.h (size_low_cst): Declare.
1371         * fold-const.c (fold_comparison): Use it to extract the low
1372         part of the POINTER_PLUS_EXPR offset.
1373
1374 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1375
1376         Fix clearing ZERO_REG
1377         * config/avr/avr.md (cc): Add alternative "ldi".
1378         (movqi_insn): Use it in cc attribute.
1379         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1380         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1381         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1382
1383 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1384
1385         * configure: Regenerate.
1386
1387 2012-01-04  Richard Guenther  <rguenther@suse.de>
1388
1389         PR tree-optimization/49651
1390         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1391         (var_can_have_subvars): Use it.
1392         (get_constraint_for_1): Only consider subfields if there can be any.
1393
1394 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1395
1396         PR bootstrap/51725
1397         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1398         to its new canonical_cselib_val and the cselib_val was in
1399         first_containing_mem chain, but the canonical_cselib_val was not,
1400         add the latter into the chain.
1401         (cselib_invalidate_mem): Compare canonical_cselib_val of
1402         addr_list chain elt with v.
1403
1404         PR pch/51722
1405         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1406         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1407         of xstrdup.
1408         (output_macinfo_op): Don't ggc_strdup fd->filename.
1409         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1410         then ggc_strdup it.  Don't free inc->info or cur->info.
1411         (output_macinfo): Don't free ref->info or file->info.
1412
1413 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1414
1415         PR tree-optimization/51269
1416         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1417         first_niters a pointer.
1418         (slpeel_tree_peel_loop_to_edge): Likewise.
1419         (vect_do_peeling_for_loop_bound): Update call to
1420         slpeel_tree_peel_loop_to_edge.
1421         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1422         here.  Remove it from the parameters list.
1423         (vect_do_peeling_for_alignment): Update calls and compute
1424         wide_prolog_niters.
1425
1426 2012-01-03  Richard Guenther  <rguenther@suse.de>
1427
1428         PR tree-optimization/51070
1429         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1430         Properly handle calls.
1431
1432 2012-01-03  Richard Guenther  <rguenther@suse.de>
1433
1434         PR tree-optimization/51692
1435         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1436         the LHS of allocation stmts.
1437
1438 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1439
1440         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1441
1442 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1443
1444         * collect2.c (main): In AIX specific computations for vector
1445         insertions, use CONST_CAST2 to cast from char ** to const char **.
1446
1447 2012-01-03  Richard Guenther  <rguenther@suse.de>
1448
1449         PR debug/51650
1450         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1451         the context of a limbo DIE when it does not already exist.
1452
1453 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1454
1455         PR tree-optimization/51719
1456         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1457         but direct call is, clear direct call's lhs and don't add fallthrough
1458         edge from dcall_bb to join_bb and PHIs.
1459
1460 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1461
1462         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1463         the instructions emitted by the pattern.
1464         ("*TDC_insn_<mode>"): Add comment.
1465
1466 2012-01-03  Richard Guenther  <rguenther@suse.de>
1467
1468         PR middle-end/51730
1469         * fold-const.c (fold_comparison): Properly canonicalize
1470         tree offset and HOST_WIDE_INT bit position.
1471
1472 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1473
1474         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1475         operands for extzv pattern.
1476
1477 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR bootstrap/51725
1480         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1481         on mem_elt first.
1482
1483 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1484
1485         * doc/invoke.texi (-flto and related options): Copy-edit.
1486
1487 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1488
1489         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1490
1491 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1492
1493         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1494         New patterns.
1495
1496 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1497
1498         * expr.h (move_by_pieces_ninsns): Declare.
1499         * expr.c (move_by_pieces_ninsns): Make external.
1500         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1501         (mips_store_by_pieces_p): Likewise.
1502         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1503         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1504         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1505         (mips_store_by_pieces_p): Likewise.
1506
1507 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1508
1509         * passes.c (register_one_dump_file): Free full_name.
1510
1511         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1512         (calculate_elim_costs_all_insns): Free offsets_at and
1513         offsets_known_at at the end and clear the pointers.
1514
1515 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1516
1517         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1518         this option introduced in r180739.
1519
1520 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1521
1522         PR target/51345
1523         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1524         (tmake_file target=avr): Add avr/t-multilib.
1525
1526         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1527         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1528         * config/avr/genmultilib.awk: New file.
1529         * config/avr/t-multilib: New auto-generated file.
1530         * config/avr/multilib.h: New auto-generated file.
1531         * config/avr/t-avr (AVR_MCUS): New variable.
1532         (genopt.sh): Use it.
1533         (s-mlib): Depend on t-multilib.
1534         (t-multilib, multilib.h): New dependencies.
1535         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1536         (MULTILIB_OPTIONS): Remove.
1537         (MULTILIB_MATCHES): Remove.
1538         (MULTILIB_DIRNAMES): Remove.
1539         (MULTILIB_EXCEPTIONS): Remove:
1540         * config/avr/genopt.sh: Don't use hard coded file name;
1541         pass AVR_MCUS from t-avr instead.
1542
1543 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1544
1545         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1546
1547 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1548
1549         Implement light-weight DImode support.
1550         * config/avr/avr-dimode.md: New file.
1551         * config/avr/avr.md: Include it.
1552         (adjust_len): Add plus64, compare64.
1553         (HIDI): Remove code iterator.
1554         (code_stdname): New code attribute.
1555         (rotx, rotsmode): Remove DI.
1556         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1557         as code iterator.
1558         * config/avr/avr-protos.h (avr_have_dimode): New.
1559         (avr_out_plus64, avr_out_compare64): New.
1560         * config/avr/avr.c (avr_out_compare): Handle DImode.
1561         (avr_have_dimode): New variable definition and initialization.
1562         (avr_out_compare64, avr_out_plus64): New functions.
1563         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1564         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1565         (avr_compare_pattern): Skip DImode comparisons.
1566
1567 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1568
1569         * ddg.c (def_has_ccmode_p): New function.
1570         (add_cross_iteration_register_deps,
1571         create_ddg_dep_from_intra_loop_link): Call it.
1572
1573 2012-01-02  Richard Guenther  <rguenther@suse.de>
1574
1575         PR other/51679
1576         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1577
1578 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1579
1580         * gcc.c (process_command): Update copyright notice dates.
1581         * gcov.c (print_version): Likewise.
1582         * gcov-dump.c (print_version): Likewise.
1583         * mips-tfile.c (main): Likewise.
1584         * mips-tdump.c (main): Likewise.
1585
1586 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1587
1588         PR tree-optimization/51704
1589         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1590         a use is inside the basic block or loop before accessing its vect info.
1591
1592 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1593
1594         PR rtl-optimization/51069
1595         * cfgloopmanip.c (remove_path): Removing path making irreducible
1596         region unconditional makes BB part of the region.
1597
1598 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1599
1600         PR tree-optimization/51683
1601         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1602         calls with side-effects.
1603         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1604 \f
1605 Copyright (C) 2012 Free Software Foundation, Inc.
1606
1607 Copying and distribution of this file, with or without modification,
1608 are permitted in any medium without royalty provided the copyright
1609 notice and this notice are preserved.