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