gcc/ChangeLog

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