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