gcc/ChangeLog

   1 2012-03-20  Richard Guenther  <rguenther@suse.de>
   2
   3         * tree-pass.h (pass_rtl_eh): Remove.
   4         * except.c (gate_handle_eh): Likewise.
   5         (rest_of_handle_eh): Likewise.
   6         (pass_rtl_eh): Likewise.
   7         (finish_eh_generation): Export.
   8         * except.h (finish_eh_generation): Declare.
   9         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
  10         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
  11         after expanding stack alignment.  Instead of compacting blocks
  12         call cleanup_cfg.
  13
  14 2012-03-20  Richard Guenther  <rguenther@suse.de>
  15
  16         * stor-layout.c (finish_bitfield_representative): Fallback
  17         to conservative maximum size if the padding up to the next
  18         field cannot be computed as a constant.
  19         (finish_bitfield_layout): If we cannot compute the distance
  20         between the start of the bitfield representative and the
  21         bitfield member start a new representative.
  22         * expr.c (get_bit_range): The distance between the start of
  23         the bitfield representative and the bitfield member is zero
  24         if the field offsets are not constants.
  25
  26 2012-03-20  Tristan Gingold  <gingold@adacore.com>
  27
  28         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
  29         convert in lowercase.
  30         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
  31         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
  32         * stor-layout.c (sizetype_tab): Adjust.
  33         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
  34         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
  35         instead of type_kind_last.
  36         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
  37         instead of size_int_kind.
  38         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
  39         * doc/tm.texi: Regenerate.
  40         * defaults.h (SIZETYPE): Provide a default value.
  41         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
  42         (SIZETYPE): Define.
  43
  44 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
  45
  46         * config/sh/sh.md: Use braced string notation where applicable.
  47
  48 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
  49
  50         * config/i386/i386.md (allocate_stack): Simplify.
  51
  52 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
  53
  54         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
  55         copy_to_mode_reg (Pmode, ...).
  56         (expand_builtin_frame_address): Ditto.
  57         * expr.c (emit_block_move_via_libcall): Ditto.
  58         (set_storage_via_libcall): Ditto.
  59
  60         * config/i386/i386.c (ix86_expand_movmem): Ditto.
  61         (ix86_expand_setmem): Ditto.
  62         (ix86_trampoline_init): DItto.
  63         * config/i386/i386.md (cmpstrnsi): Ditto.
  64
  65 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
  66
  67         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
  68         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
  69         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
  70         (SH Options): Likewise.
  71
  72 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
  73
  74         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
  75         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
  76         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
  77         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
  78         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
  79
  80         Revert:
  81         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
  82
  83         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
  84         * config/i386/i386.c (ix86_decompose_address): Use
  85         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
  86         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
  87         thread pointer to a register.
  88
  89         Revert:
  90         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
  91
  92         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
  93         if Pmode != word_mode.
  94         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
  95         Pmode == SImode for TARGET_X32.
  96
  97         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
  98         (tls_initial_exec_x32): Likewise.
  99
 100 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
 101
 102         PR target/50751
 103         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
 104         DISP_ADDR_OFFSET): New macros.
 105         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
 106         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
 107         (sh_legitimize_address): Add QImode displacement handling.
 108         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
 109         vector subregs.
 110         (sh_secondary_reload): Add QImode displacement handling.
 111         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
 112         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
 113         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
 114         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
 115         to register operands only.
 116         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
 117         (extendqihi2): Change insn to expander.
 118         (*extendqihi2_compact_reg): New insn.
 119         (movqi_i, movqi): Replace with ...
 120         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
 121         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
 122         Add new peepholes for QImode displacement addressing.
 123
 124 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
 125
 126         PR c++/14710
 127         * doc/invoke.texi: Document -Wuseless-cast.
 128
 129 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
 130
 131         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
 132         * tree.h (handled_component_p): Reorder cases.
 133         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
 134         not initialize unsignedp.
 135         (loc_list_from_tree): Likewise.
 136         (fortran_common): Likewise.
 137         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
 138
 139 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
 140
 141         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
 142         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
 143         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
 144         (ix86_split_long_move): Ditto.
 145         (legitimize_tls_address): Use ix86_gen_sub3.
 146         (construct_plt_address): Assert that Pmode == DImode.
 147
 148 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
 149
 150         * config/i386/i386.md: Remove empty predicates and/or constraints.
 151         * config/i386/sync.md: Ditto.
 152         * config/i386/sse.md: Ditto.
 153         * config/i386/mmx.md: Ditto.
 154         * config/i386/pentium.md: Ditto.
 155         * config/i386/athlon.md: Ditto.
 156
 157 2012-03-16  Richard Guenther  <rguenther@suse.de>
 158
 159         PR tree-optimization/52603
 160         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
 161         comment.
 162
 163         Revert
 164         2012-03-14  Richard Guenther  <rguenther@suse.de>
 165
 166         PR tree-optimization/52571
 167         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
 168         flag_section_anchors check ...
 169         (vect_can_force_dr_alignment_p): ... here.
 170
 171 2012-03-16  Martin Jambor  <mjambor@suse.cz>
 172
 173         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
 174         memory through MEM_REFs by calling extract_bit_field.
 175
 176 2012-03-16  Richard Guenther  <rguenther@suse.de>
 177
 178         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
 179         and REFERENCE_TYPE interpretations.
 180         (can_native_interpret_type_p): New function.
 181         (fold_ternary_loc): Use native encode/interpret to fold
 182         BIT_FIELD_REFs of constants.
 183
 184 2012-03-16  Richard Guenther  <rguenther@suse.de>
 185
 186         PR middle-end/52584
 187         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
 188         of vector constants and constructors.
 189
 190 2012-03-16  Richard Guenther  <rguenther@suse.de>
 191
 192         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
 193         VIEW_CONVERT_EXPR to convert constants.
 194         (vect_is_simple_use): Treat all constants as vec_constant_def.
 195
 196 2012-03-16  Richard Guenther  <rguenther@suse.de>
 197             Kai Tietz  <ktietz@redhat.com>
 198
 199         PR middle-end/48814
 200         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
 201         side-effects completely in the pre-queue and use a temporary
 202         for the result.
 203
 204 2012-03-16  Richard Guenther  <rguenther@suse.de>
 205
 206         * stor-layout.c (finish_bitfield_representative): Fall back
 207         to the conservative maximum size if we cannot compute the
 208         size of the tail padding.
 209
 210 2012-03-16  Tristan Gingold  <gingold@adacore.com>
 211
 212         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
 213         __CRTL_VER and __VMS_VER.
 214         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
 215         and vms_c_get_vms_ver.
 216         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
 217         functions.
 218         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
 219         (VMS_DEFAULT_VMS_VER): Define.
 220         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
 221         (VMS_DEFAULT_VMS_VER): Define.
 222
 223 2012-03-16  Richard Guenther  <rguenther@suse.de>
 224
 225         * tree-vect-loop.c (get_initial_def_for_induction): Use
 226         build_constructor directly.
 227         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
 228         build_vector_from_val.
 229         * tree.c (build_vector_from_val): Avoid creating a constructor
 230         first when we want a constant vector.
 231
 232 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 233
 234         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
 235
 236 2012-03-16  Richard Guenther  <rguenther@suse.de>
 237
 238         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
 239         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
 240         (struct tree_vector): Remove elements member, add variable size
 241         elts array member.
 242         (build_vector_stat): Declare.
 243         (build_vector): Define in terms of build_vector_stat.
 244         * tree.c (build_vector): Rename to ...
 245         (build_vector_stat): ... this.  Take array of trees as parameter.
 246         (build_vector_from_ctor): Adjust.
 247         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
 248         initializer_zerop): Adjust.
 249         * cfgexpand.c (expand_debug_expr): Likewise.
 250         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
 251         const_vector_from_tree): Likewise.
 252         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
 253         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
 254         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
 255         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
 256         (lto_input_ts_vector_tree_pointers): Adjust.
 257         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
 258         (write_ts_vector_tree_pointers): Adjust.
 259         * varasm.c (const_hash_1, compare_constant, copy_constant,
 260         output_constant): Adjust.
 261         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
 262         * print-tree.c (print_node): Adjust.
 263         * tree-pretty-print.c (dump_generic_node): Adjust.
 264         * tree-vect-generic.c (uniform_vector_p, vector_element,
 265         lower_vec_perm): Adjust.
 266         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
 267         * tree-vect-slp.c (vect_get_constant_vectors,
 268         vect_transform_slp_perm_load): Adjust.
 269         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
 270         * expmed.c (make_tree): Adjust.
 271         * config/i386/i386.c (ix86_expand_builtin): Adjust.
 272         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
 273         and implementation.
 274         (sparc_fold_builtin): Adjust.
 275
 276 2012-03-16  Tristan Gingold  <gingold@adacore.com>
 277
 278         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
 279         * config/vms/vms-stdint.h: New file.
 280
 281 2012-03-16  Tristan Gingold  <gingold@adacore.com>
 282
 283         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
 284         (ia64-hp-*vms*): Replaced by ...
 285         (*-*-*vms*): ... This new entry.
 286
 287 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
 288
 289         PR target/52568
 290         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
 291         (ix86_expand_vec_perm_const_1): Use it.
 292
 293         PR target/52568
 294         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
 295         (avx2_permv4df): Remove.
 296         (avx2_permv4di): Macroize into...
 297         (avx2_perm<mode>): ... this using VI8F_256 iterator.
 298         (avx2_permv4di_1): Macroize into...
 299         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
 300
 301 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
 302
 303         * combine.c (apply_distributive_law): Do not distribute SUBREG.
 304
 305 2012-03-15  Ira Rosen  <irar@il.ibm.com>
 306             Ulrich Weigand  <ulrich.weigand@linaro.org>
 307
 308         * tree-vect-patterns.c (widened_name_p): Rename to ...
 309         (type_conversion_p): ... this.  Add new argument to determine
 310         if it's a promotion or demotion operation.  Check for
 311         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
 312         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
 313         widened_name_p.
 314         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
 315         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
 316         Likewise.
 317         (vect_recog_mixed_size_cond_pattern): Likewise and allow
 318         non-constant then and else clauses.
 319
 320 2012-03-15  Ira Rosen  <irar@il.ibm.com>
 321             Ulrich Weigand  <ulrich.weigand@linaro.org>
 322
 323         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
 324         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
 325         vect_pattern_recog.
 326         * tree-vect-patterns.c (widened_name_p): Pass basic block
 327         info to vect_is_simple_use.
 328         (vect_recog_dot_prod_pattern): Fail for basic blocks.
 329         (vect_recog_widen_sum_pattern): Likewise.
 330         (vect_handle_widen_op_by_const): Support basic blocks.
 331         (vect_operation_fits_smaller_type,
 332         vect_recog_over_widening_pattern): Likewise.
 333         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
 334         Update call to vect_is_simple_use.
 335         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
 336         Add printing.
 337         (check_bool_pattern): Add an argument, update call to
 338         vect_is_simple_use and the recursive calls.
 339         (vect_recog_bool_pattern): Update relevant function calls.
 340         Add printing.
 341         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
 342         (vect_pattern_recog_1): Check for reduction only in loops.
 343         (vect_pattern_recog): Add new argument.  Support basic blocks.
 344         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
 345         info to vect_is_simple_use_1.
 346         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic
 347         blocks.
 348         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
 349
 350 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
 351             Andrew Pinski  <apinski@cavium.com>
 352
 353         PR middle-end/52592
 354         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
 355         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
 356         calls instead of __builtin_ir{int,ound}*.
 357
 358 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 359
 360         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
 361         documentation.
 362
 363 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 364
 365         * config.gcc (target_type_format_char): New. Document it. Set it for
 366         arm*-*-* .
 367         * configure.ac (gnu_unique_option): Use target_type_format_char
 368         in test.  Comment rationale.
 369         * configure: Regenerate .
 370
 371 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
 372
 373         PR tree-optimization/52267
 374         * tree-vrp.c (masked_increment): New function.
 375         (register_edge_assert_for_2): Derive ASSERT_EXPRs
 376         from (X & CST1) cmp CST2 tests.
 377
 378 2012-03-15  Richard Guenther  <rguenther@suse.de>
 379
 380         PR middle-end/52580
 381         * tree-data-ref.c (subscript_dependence_tester_1): Check
 382         all dimensions for non-conflicting access functions.
 383
 384 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 385
 386         PR c++/44783
 387         * doc/invoke.texi [C++ Language Options]: Document
 388         -ftemplate-backtrace-limit.
 389
 390 2012-03-15  Tristan Gingold  <gingold@adacore.com>
 391
 392         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
 393         before a parameter.
 394
 395 2012-03-15  Tristan Gingold  <gingold@adacore.com>
 396
 397         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
 398         use DW_OP_call_frame_cfa.
 399
 400 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
 401
 402         PR target/50797
 403         * config/i386/i386-opts.h (pmode): New.
 404
 405         * config/i386/i386.c (ix86_option_override_internal): Properly
 406         check and set ix86_pmode.
 407
 408         * config/i386/i386.h (Pmode): Check ix86_pmode instead of
 409         TARGET_64BIT.
 410
 411         * config/i386/i386.opt (maddress-mode=): New.
 412
 413         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
 414
 415 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 416
 417         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
 418         (dwarf2out_do_cfi_asm): Likewise.
 419         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
 420         handling.
 421         (add_data_member_location_attribute): Likewise.
 422         (gen_array_type_die): Likewise.
 423         (gen_subprogram_die): Likewise.
 424         (gen_producer_string): Likewise.
 425         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
 426         Remove MIPS_DEBUGGING_INFO handling.
 427         (sdb_debug_hooks): Likewise.
 428         (sdbout_begin_block): Likewise.
 429         (sdbout_end_block): Likewise.
 430         (sdbout_begin_prologue): Likewise.
 431         (sdbout_start_source_file): Likewise.
 432         (sdbout_end_source_file): Likewise.
 433         (sdbout_init): Likewise.
 434         * system.h (MIPS_DEBUGGING_INFO): Poison.
 435
 436 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 437
 438         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
 439         (alpha_file_start) [MS_STAMP]: Remove.
 440
 441         * config/alpha/elf.h (TARGET_GAS): Remove.
 442         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
 443         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
 444         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
 445         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
 446         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
 447         (alpha*-*-freebsd*): Likewise.
 448         (alpha*-*-netbsd*): Likewise.
 449         (alpha*-*-openbsd*): Likewise.
 450         (alpha*-*-*): Remove target_cpu_default2.
 451         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
 452         handling.
 453         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
 454         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
 455         * config/alpha/alpha.c (print_operand): Always assume
 456         TARGET_AS_SLASH_BEFORE_SUFFIX.
 457         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
 458         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
 459         ("*builtin_setjmp_receiver_er_1"): Remove.
 460         * config/alpha/alpha.opt (malpha-as): Remove.
 461         (mgas): Ignore.
 462         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
 463         -malpha-as, -mgas.
 464         Remove DEC Unix reference.
 465
 466         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
 467         (EXTENDED_COFF): Remove.
 468         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
 469         (EXTENDED_COFF): Don't undef.
 470         * config/alpha/alpha.c (alpha_file_start): Always assume
 471         OBJECT_FORMAT_ELF.
 472         Don't set targetm.asm_file_start_file_directive.
 473         [!OBJECT_FORMAT_ELF]: Remove.
 474         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
 475
 476         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
 477         (DBX_DEBUGGING_INFO): Remove.
 478         (MIPS_DEBUGGING_INFO): Remove.
 479         (PREFERRED_DEBUGGING_TYPE): Remove.
 480         (DBX_OUTPUT_SOURCE_LINE): Remove.
 481         (SDB_OUTPUT_SOURCE_LINE): Remove.
 482         (DBX_CONTIN_LENGTH): Remove.
 483         (NO_DBX_FUNCTION_END): Remove.
 484         (ASM_STABS_OP): Remove.
 485         (ASM_STABN_OP): Remove.
 486         (ASM_STABD_OP): Remove.
 487         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
 488         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
 489         (PUT_SDB_DEF): Remove.
 490         (PUT_SDB_PLAIN_DEF): Remove.
 491         (PUT_SDB_TYPE): Remove.
 492         (sdb_label_count): Remove.
 493         (PUT_SDB_BLOCK_START): Remove.
 494         (PUT_SDB_BLOCK_END): Remove.
 495         (PUT_SDB_FUNCTION_START): Remove.
 496         (PUT_SDB_FUNCTION_END): Remove.
 497         (PUT_SDB_EPILOGUE_END): Remove.
 498         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
 499         (MIPS_DEBUGGING_INFO): Don't undef.
 500         (DBX_DEBUGGING_INFO): Don't undef.
 501         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
 502         (MIPS_DEBUGGING_INFO): Don't undef.
 503         (DBX_DEBUGGING_INFO): Don't undef.
 504         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
 505         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
 506         handling.
 507         (alpha_start_function): Likewise.
 508         (sdb_label_count): Remove.
 509         (alpha_output_filename): Remove DBX_DEBUG handling.
 510         (alpha_file_start): Likewise.
 511
 512 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 513
 514         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
 515         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
 516         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
 517         Solaris 8 support.
 518         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
 519         (ld_tls_support): Remove Solaris 8 references.
 520         (lwp_dir, lwp_spec): Remove support for alternate thread library.
 521         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
 522         * configure: Regenerate.
 523         * config.in: Regenerate.
 524
 525         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
 526         * config/i386/sol2.h: Remove Solaris 8 references.
 527
 528         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
 529         (i?86-*-solaris2.9): ... this.
 530         Remove Solaris 8 references.
 531         (Specific, *-*-solaris2*): Document Solaris 8 removal.
 532         Remove Solaris 8 references.
 533
 534 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 535
 536         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
 537         (mips-sgi-irix6.5*): Remove.
 538         * config.host (mips-sgi-irix*): Remove.
 539         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
 540         (set_have_as_tls): Remove *-*-irix6*.
 541         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
 542         * configure: Regenerate.
 543
 544         * config/mips/iris6.h: Remove.
 545         * config/mips/iris6.opt: Remove.
 546         * config/mips/t-irix6: Remove.
 547
 548         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
 549         (TARGET_IRIX6): Remove.
 550         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
 551         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
 552         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
 553         handling.
 554         (mips_file_start): Likewise.
 555         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
 556
 557         * config/mips/driver-native.c [__sgi__]: Remove.
 558         (host_detect_local_cpu) [__sgi__]: Remove.
 559
 560         * config/mips/gnu-user.h: Remove iris5.h reference.
 561
 562         * config/mips/mips-modes.def: Remove IRIX 6 reference.
 563         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
 564         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
 565         Remove.
 566
 567         * gcc.c (main): Move asm_debug initialization ...
 568         (asm_debug): ... here.
 569
 570         * ginclude/stddef.h (__STDDEF_H__): Don't define.
 571
 572         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
 573         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
 574         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
 575         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
 576         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
 577         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
 578         Remove.
 579         * doc/tm.texi: Regenerate.
 580
 581         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
 582         IRIX 6 reference.
 583         (MIPS Options, -march): Remove IRIX reference.
 584         * doc/install.texi (Binaries, SGI IRIX): Remove.
 585         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
 586         of section.
 587         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
 588
 589 2012-03-14  Martin Jambor  <mjambor@suse.cz>
 590
 591         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
 592         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
 593         (expand_expr_real_1): Do not handle misalignment if modifier is
 594         EXPAND_WRITE.
 595
 596 2012-03-14  Richard Guenther  <rguenther@suse.de>
 597
 598         PR middle-end/52584
 599         * tree-vect-generic.c (type_for_widest_vector_mode): Take
 600         element type instead of mode, use build_vector_type_for_mode
 601         instead of the langhook, build a vector of proper signedness.
 602         (expand_vector_operations_1): Adjust.
 603
 604 2012-03-14  Richard Guenther  <rguenther@suse.de>
 605
 606         PR middle-end/52582
 607         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
 608         a cgraph node for a FUNCTION_DECL that comes from a constructor.
 609         (gimple_get_virt_method_for_binfo): Likewise.
 610
 611 2012-03-14  Richard Guenther  <rguenther@suse.de>
 612
 613         PR tree-optimization/52571
 614         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
 615         flag_section_anchors check ...
 616         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
 617         DECL_COMMON variables.
 618
 619 2012-03-14  Richard Guenther  <rguenther@suse.de>
 620
 621         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
 622         * stor-layout.c (start_bitfield_representative): New function.
 623         (finish_bitfield_representative): Likewise.
 624         (finish_bitfield_layout): Likewise.
 625         (finish_record_layout): Call finish_bitfield_layout.
 626         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
 627         for QUAL_UNION_TYPE fields.
 628         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
 629         Stream DECL_BIT_FIELD_REPRESENTATIVE.
 630         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
 631
 632         PR middle-end/52080
 633         PR middle-end/52097
 634         PR middle-end/48124
 635         * expr.c (get_bit_range): Unconditionally extract bitrange
 636         from DECL_BIT_FIELD_REPRESENTATIVE.
 637         (expand_assignment): Adjust call to get_bit_range.
 638
 639 2012-03-14  Richard Guenther  <rguenther@suse.de>
 640
 641         PR middle-end/52578
 642         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
 643         the outermost conversion is a sign-change only.
 644         (fold_binary_loc): Disregard widening and sign-changing
 645         conversions when we determine if two variables are equal
 646         for reassociation.
 647         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
 648         (T1)x if the outermost conversion is a sign-change only.
 649
 650 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
 651
 652         Revert:
 653         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
 654
 655         * config/i386/predicates.md (constant_call_address_operand): Declare
 656         as special predicate.  Update all uses.
 657
 658 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
 659
 660         PR c/52577
 661         * c-parser.c (c_parser_postfix_expression)
 662         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
 663
 664         * config/i386/smmintrin.h: Avoid /* within a comment.
 665         * config/i386/nmmintrin.h: Likewise.
 666
 667 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 668
 669         * config/i386/i386.md (xbegin): Remove constraint from expander.
 670
 671 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 672
 673         * config/i386/predicates.md (constant_call_address_operand): Declare
 674         as special predicate.  Update all uses.
 675         * config/i386/i386.md: Remove mode from constant_call_address_operand
 676         predicates.
 677         * config/i386/i386.c (ix86_output_call_insn): Call
 678         constant_call_address_operand with VOIDmode.
 679
 680 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 681
 682         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
 683         AND zero extended address correctly.
 684
 685 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 686
 687         * config/i386/predicates.md (tls_symbolic_operand): Declare as
 688         special predicate.
 689         (tls_modbase_operand): Ditto.
 690         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
 691         tls_modbase_operand predicates.
 692
 693 2012-03-13  Martin Jambor  <mjambor@suse.cz>
 694
 695         * expr.c (expand_assignment): Handle misaligned scalar writes to
 696         memory through top-level MEM_REFs by calling store_bit_field.
 697
 698 2012-03-13  Richard Guenther  <rguenther@suse.de>
 699
 700         PR middle-end/52134
 701         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
 702         if Y is a constant multiple of 1 << CST.
 703
 704 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
 705
 706         PR target/52488
 707         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
 708         offset (size) to a value the insns can deal with.
 709         (expand_epilogue): Ditto.
 710
 711 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 712
 713         * config/arm/neon.ml (ops): Fixup expected instructions for
 714         unsigned vector compares.
 715
 716 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 717
 718         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
 719         addresses only when %reg is not in word mode.
 720
 721 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 722
 723         * config/microblaze/microblaze.md: Fix typo.
 724         * tree-if-conv.c: Likewise.
 725         * tree-vect-patterns.c: Likewise.
 726
 727 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 728
 729         * config.gcc (extra_passes): Remove.
 730         * configure.ac (extra_passes): Don't substitute.
 731         * configure: Regenerate.
 732         * Makefile.in (EXTRA_PASSES): Remove.
 733         (GCC_PASSES): Remove $(EXTRA_PASSES).
 734         (MOSTLYCLEANFILES): Likewise.
 735         (native): Likewise.
 736         (install-common): Likewise.
 737
 738 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 739
 740         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
 741         * config/i386/i386.c (ix86_decompose_address): Use
 742         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
 743         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
 744         thread pointer to a register.
 745
 746 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 747
 748         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
 749         on tls_symbolic_operand.
 750         (tls_global_dynamic_64_<mode>): Likewise.
 751
 752 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
 753
 754         PR other/52545
 755         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
 756         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
 757
 758 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
 759
 760         PR target/52499
 761         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
 762         type from reg_class_t to enum reg_class.
 763         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
 764
 765 2012-03-12  Andrew Pinski  <apinski@cavium.com>
 766
 767         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
 768         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
 769         (value_replacement): Likewise.
 770         (empty_block_p): Check also if the PHIs for the block are empty.
 771
 772 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
 773
 774         PR target/52148
 775         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
 776         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
 777         r184615 from 2012-02-28.
 778
 779 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 780
 781         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
 782         (ix86_gen_tls_local_dynamic_base_64): Likewise.
 783         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
 784         and ix86_gen_tls_local_dynamic_base_64.
 785         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
 786         ix86_gen_tls_local_dynamic_base_64.
 787
 788         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
 789         (*tls_global_dynamic_64_<mode>): This.
 790         (tls_global_dynamic_64): Renamed to ...
 791         (tls_global_dynamic_64_<mode>): This.
 792         (*tls_local_dynamic_base_64): Renamed to ...
 793         (*tls_local_dynamic_base_64_<mode>): This.
 794         (tls_local_dynamic_base_64): Renamed to ...
 795         (tls_local_dynamic_base_64_<mode>): This.
 796
 797 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 798
 799         * config/i386/i386.c (ix86_option_override_internal): Properly
 800         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
 801         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
 802         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
 803         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 804
 805         * config/i386/sse.md (sse3_monitor64): Renamed to ...
 806         (sse3_monitor64_<mode>): This.
 807
 808 2012-03-12  Tristan Gingold  <gingold@adacore.com>
 809
 810         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
 811         (ia64_function_arg_advance): Ditto.
 812
 813 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 814
 815         * config.gcc (mips*-*-openbsd*): Remove.
 816         * config/mips/openbsd.h: Remove.
 817         * config/mips/sdb.h: Remove.
 818
 819         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
 820         * config/mips/mips.c (sdb_label_count): Remove.
 821         (mips_debugger_offset): Remove #if 0 code.
 822         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
 823         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
 824
 825 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 826
 827         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
 828         binutils reference.
 829         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
 830         Update binutils references.
 831         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
 832         Update binutils reference.
 833         Update Sun as/GNU ld caveat.
 834         Document binutils largefile requirement for LTO plugin.
 835         Remove reference to alternate libpthread.
 836
 837 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 838
 839         * config.gcc (alpha*-dec-osf5.1*): Remove.
 840         * config.host (alpha*-dec-osf*): Remove.
 841         * configure.ac (*-*-osf*): Remove.
 842         (alpha*-dec-osf*): Remove.
 843         * configure: Regenerate.
 844
 845         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
 846         config/alpha/va_list.h, config/alpha/x-osf: Remove.
 847
 848         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
 849         * config/alpha/alpha.c (struct machine_function): Update comment.
 850         (alpha_start_function): Remove Tru64 UNIX as handling for
 851         max_frame_size.
 852         * config/alpha/alpha.md ("exception_receiver"): Remove
 853         TARGET_LD_BUGGY_LDGP.
 854         ("*exception_receiver_2"): Likewise.
 855         * except.c (finish_eh_generation): Remove Tru64 reference.
 856         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
 857         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
 858         * target.def (handle_pragma_extern_prefix): Remove.
 859
 860         * Makefile.in (mips-tfile.o-warn): Remove.
 861         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
 862         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
 863         * mips-tdump.c, mips-tfile.c: Remove.
 864
 865         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
 866         extern_prefix.
 867         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
 868         (Specific, alpha*-dec-osf5.1): Note removal.
 869         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
 870         Remove.
 871         * doc/tm.texi: Regenerate.
 872         * doc/trouble.texi (Cross-Compiler Problems): Remove.
 873
 874 2012-03-12  Richard Guenther  <rguenther@suse.de>
 875
 876         * config/arm/arm.c (neon_dereference_pointer): Do not call
 877         covert during RTL expansion.
 878
 879 2012-03-12  Tristan Gingold  <gingold@adacore.com>
 880
 881         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
 882         Options.  Mention -mpointer-size.
 883
 884 2012-03-12  Richard Guenther  <rguenther@suse.de>
 885
 886         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
 887         build_nonstandard_integer_type.
 888
 889 2012-03-12  Richard Guenther  <rguenther@suse.de>
 890
 891         * tree.c (signed_or_unsigned_type_for): Use
 892         build_nonstandard_integer_type.
 893         (signed_type_for): Adjust documentation.
 894         (unsigned_type_for): Likewise.
 895         * tree-pretty-print.c (dump_generic_node): Use standard names
 896         for non-standard integer types if available.
 897
 898 2012-03-12  Tristan Gingold  <gingold@adacore.com>
 899
 900         * config/vms/vms.opt: Add vms-opts.h header.
 901         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
 902         target mask.
 903         (-mvms-return-codes): Document.
 904         (-mpointer-size): New option.
 905         (vms_pointer_size): Add enumeration.
 906         * config/vms/vms-opts.h: New file.
 907         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
 908         __INITIAL_POINTER_SIZE.
 909         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
 910         (C_COMMON_OVERRIDE_OPTIONS): Define.
 911         (DWARF2_ADDR_SIZE): Define.
 912         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
 913         * config/vms/vms-protos.h (vms_c_common_override_options):
 914         New prototype.
 915         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
 916         if -mno-pointer-size.
 917         (vms_c_common_override_options): New function.
 918         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
 919         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
 920         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
 921         and flag_vms_pointer_size.
 922         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
 923         * config.gcc (*-*-*vms*): Define xm_file.
 924         (alpha*-dec-*vms*): Do not define xm_file.
 925         (alpha64-dec-*vms*): Remove.
 926         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
 927         and tmake_file.
 928
 929 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
 930
 931         PR tree-optimization/51721
 932         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
 933         if (int) unsvar cmp CST.
 934
 935 2012-03-12  Richard Guenther  <rguenther@suse.de>
 936
 937         * tree-sra.c (create_access_replacement): Only rename the replacement
 938         if we can rewrite it into SSA form.  Properly mark register typed
 939         replacements that we cannot rewrite with TREE_ADDRESSABLE.
 940         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
 941         for aggregate or BLKmode results.
 942
 943 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
 944
 945         PR tree-optimization/52533
 946         * tree-vrp.c (register_edge_assert_for_2): Use double_int
 947         type for mask, only handle shifts by non-zero in-range
 948         shift count, for LE_EXPR and GT_EXPR if new_val is
 949         maximum, don't add the assertion.
 950
 951 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
 952
 953         * doc/invoke.texi: Document -mrtm option.
 954         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
 955         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
 956         (ix86_handle_option): Handle OPT_mrtm.
 957         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
 958         xtestintrin.h.
 959         (x86_64-*-*): Ditto.
 960         * i386-builtin-types.def (INT_FTYPE_VOID): New.
 961         * config/i386/i386-c.c (ix86_target_macros_internal): Define
 962         __RTM__ if needed.
 963         (ix86_target_string): Define -mrtm option.
 964         (PTA_RTM): New.
 965         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
 966         Handle new option.
 967         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
 968         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
 969         IX86_BUILTIN_XTEST.
 970         (bdesc_special_args): Ditto.
 971         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
 972         (ix86_expand_special_args_builtin): Handle new built-in type.
 973         (ix86_expand_builtin): Handle XABORT instruction.
 974         * config/i386/i386.h (TARGET_RTM): New.
 975         * config/i386/i386.md (UNSPECV_XBEGIN): New.
 976         (UNSPECV_XEND): Ditto.
 977         (UNSPECV_XABORT): Ditto.
 978         (UNSPECV_XTEST): Ditto.
 979         (xbegin): Ditto.
 980         (xbegin_1): Ditto.
 981         (xend): Ditto.
 982         (xabort): Ditto
 983         (xtest): Ditto.
 984         (xtest_1): Ditto.
 985         * config/i386/i386.opt (mrtm): New.
 986         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
 987         * config/i386/rtmintrin.h: New header.
 988         * config/i386/xtestintrin.h: Ditto.
 989
 990 2012-03-12  Tristan Gingold  <gingold@adacore.com>
 991
 992         * ginclude/stddef.h: Adjust previous patch.
 993         Use __VMS__ instead of VMS.
 994
 995 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
 996
 997         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
 998         Also convert sequences with CC setting arithmetic instruction.
 999
1000 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
1001
1002         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
1003         from C Language Options to Preprocessor Options.
1004         (C Dialect Options): Move -no-integrated-cpp documentation
1005         from here...
1006         (Preprocessor Options): ...to here.  Rewrite the description
1007         so it makes more sense, and remove discussion of merging front ends.
1008
1009 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1010
1011         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
1012         needed for loop.
1013         (ix86_expand_setmem): Likewise.
1014
1015 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
1016
1017         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
1018         convert_to_mode.
1019
1020 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1021
1022         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
1023         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
1024
1025 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1026
1027         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
1028
1029 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1030
1031         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
1032         TARGET_64BIT.
1033
1034 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1035             Uros Bizjak  <ubizjak@gmail.com>
1036
1037         * config/i386/predicates.md (call_insn_operand): Allow
1038         constant_call_address_operand in Pmode only.
1039         (sibcall_insn_operand): Ditto.
1040         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
1041         (*call_vzeroupper): Ditto.
1042         (*sibcall): Ditto.
1043         (*sibcall_vzeroupper): Ditto.
1044         (*call_value): Ditto.
1045         (*call_value_vzeroupper): Ditto.
1046         (*sibcall_value): Ditto.
1047         (*sibcall_value_vzeroupper): Ditto.
1048         (*indirect_jump): Ditto.
1049         (*tablejump_1): Ditto.
1050         (indirect_jump): Convert memory address to word mode for TARGET_X32.
1051         (tablejump): Ditto.
1052         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
1053         to word mode.
1054
1055 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
1056
1057         PR target/51244
1058         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
1059         Use movrt_negc instead of negc pattern for non-SH2A.
1060         (*movnegt): Remove.
1061         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
1062
1063 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1064
1065         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
1066         if Pmode != word_mode.
1067         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
1068         Pmode == SImode for TARGET_X32.
1069
1070         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
1071         (tls_initial_exec_x32): Likewise.
1072
1073 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1074
1075         PR rtl-optimization/52528
1076         * combine.c (can_combine_p): Add setting of subst_low_luid
1077         before call to expand_field_assignment().
1078
1079 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
1080
1081         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
1082         and related program names.
1083
1084 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
1085
1086         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
1087
1088 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
1089
1090         PR target/52530
1091         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
1092         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
1093         to set code to 'q'.
1094         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
1095         (*movdi_internal_rex64): Use %E operand modifier for lea.
1096         (*movsi_internal): Ditto.
1097         (*lea_1): Ditto.
1098         (*lea<mode>_2): Ditto.
1099         (*lea_{3,4,5,6}_zext): Ditto.
1100         (*tls_global_dynamic_32_gnu): Ditto.
1101         (*tls_global_dynamic_64): Ditto.
1102         (*tls_dynamic_gnu2_lea_32): Ditto.
1103         (*tls_dynamic_gnu2_lea_64): Ditto.
1104         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1105
1106 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1107
1108         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1109         redefine to be NULL if the current bit-size is different from the
1110         configured bit-size.
1111
1112         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1113         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1114         set the default tuning.  Add asserts to make sure the cpu and tune
1115         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1116         test whether the index is set, instead of > 0.
1117         (rs6000_file_start): Do not reset the default cpu if the current
1118         bit-size is different from the configured bit-size.
1119
1120 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1121
1122         * config/vms/vms-crtlmap.map: Add comments.
1123         Add entries needed to build Ada RTS.
1124
1125 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1126
1127         * ginclude/stddef.h: Do not define __size_t on VMS.
1128
1129 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1130
1131         * c-tree.h (c_default_pointer_mode): New variable.
1132         * c-decl.c (c_default_pointer_mode): New variable.
1133         (c_build_pointer_type): New function.
1134         (grokdeclarator): Call c_build_pointer_type instead
1135         of build_pointer_type.
1136
1137         * config/vms/vms-c.c: Include c-tree.h
1138         (saved_pointer_mode): New variable.
1139         (handle_pragma_pointer_size): New function.
1140         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
1141         (vms_c_register_pragma): Register __pointer_size and
1142         __required_pointer_size pragmas.
1143
1144 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1145
1146         * config/vms/vms-c.c (vms_construct_include_filename): New function.
1147         (vms_c_register_includes): Reference it.
1148
1149 2012-03-09  Andrew Pinski  <apinski@cavium.com>
1150
1151         PR middle-end/51988
1152         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
1153         print_generic_expr.
1154         (tree_ssa_phiopt_worker): Go through all the PHIs for
1155         value_replacement instead of just the singleton one.
1156         (value_replacement): Change return type to int.  Return 0 instead of
1157         false.
1158         Allow the middle basic block to contain more than just the defining
1159         statement.
1160         Handle non empty middle basic blocks.
1161         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
1162
1163 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
1164
1165         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
1166         array reference and component reference.
1167         (analyze_scalar_evolution_for_address_of): New.
1168
1169 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
1170
1171         PR target/49862
1172         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
1173         (hwloop_pattern_reg): Fix set but not used warning.
1174         (bfin_reorg_loops): Remove unused parameter.
1175         (bfin_reorg): Update use of bfin_reorg_loops.
1176
1177 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
1178
1179         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
1180         with integer parameters in registers.
1181         (gen_push): Push register in word_mode instead of Pmode.
1182         (ix86_emit_save_regs): Likewise.
1183         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
1184         (gen_pop): Pop register in word_mode instead of Pmode.
1185         (ix86_emit_restore_regs_using_pop): Likewise.
1186         (ix86_expand_prologue): Replace Pmode with word_mode for push
1187         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
1188         restore RAX and R10 in word_mode.
1189         (ix86_emit_restore_regs_using_mov): Restore integer registers
1190         in word_mode.
1191         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
1192         word_mode.
1193         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
1194         (ix86_split_long_move): Likewise.
1195
1196         * config/i386/i386.md (W): New.
1197         (*push<mode>2_prologue): Replace :P with :W.
1198         (*pop<mode>1): Likewise.
1199         (*pop<mode>1_epilogue): Likewise.
1200         (push/pop peephole2): Use word_mode scratch registers.
1201
1202 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
1203
1204         * config/i386/predicates.md (indirect_branch_operand): Simplify.
1205
1206 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
1207
1208         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1209         for constants in [-63,63].
1210
1211 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
1212
1213         PR target/52530
1214         Revert:
1215         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1216
1217         * config/i386/i386.c (ix86_print_operand_address): Only handle
1218         zero-extended DImode addresses.
1219
1220 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1221
1222         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1223         * configure: Regenerate.
1224
1225 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
1226
1227         PR target/52496
1228         * config/avr/avr.c (avr_mem_clobber): New static function.
1229         (avr_expand_delay_cycles): Add memory clobber operand to
1230         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1231         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1232         (enable_interrupt, disable_interrupt): New expander.
1233         (nopv, sleep, wdr): New expanders.
1234         (delay_cycles_1): Add memory clobber.
1235         (delay_cycles_2): Add memory clobber.
1236         (delay_cycles_3): Add memory clobber.
1237         (delay_cycles_4): Add memory clobber.
1238         (cli_sei): New insn from former "enable_interrupt",
1239         "disable_interrupt" with memory clobber.
1240         (*wdt): New insn from former "wdt" with memory clobber.
1241         (*nopv): Similar, but for "nopv".
1242         (*sleep): Similar, but for "sleep".
1243
1244 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
1245             Kaz Kojima  <kkojima@gcc.gnu.org>
1246
1247         PR target/52503
1248         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
1249         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
1250         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1251
1252 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
1253
1254         * config/i386/predicates.md (x86_64_zext_general_operand): New.
1255         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
1256         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
1257
1258 2012-03-07  Walter Lee  <walt@tilera.com>
1259
1260         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1261         REG_CFA_* notes for the stack pointer.
1262         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1263         EH_RETURN_STACKADJ_RTX.
1264         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1265         generate REG_CFA_* notes for the stack pointer.
1266         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1267         by EH_RETURN_STACKADJ_RTX.
1268
1269 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1270
1271         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
1272         when __AVR_3_BYTE_PC__ is defined.
1273
1274 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
1275
1276         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
1277         (ix86_print_operand): Handle '^'.
1278         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
1279         using P mode iterator.  Add %^ to asm template to conditionally emit
1280         addr32 prefix.
1281         (*rep_movdi_rex64): Ditto.
1282         (*strsetdi_rex_1): Ditto.
1283         (*rep_stosdi_rex64): Ditto.
1284         (*strmov{si,hi,qi}_1): Add %^ to asm template to
1285         conditionally emit addr32 prefix.
1286         (*rep_mov{si,qi}): Ditto.
1287         (*strset{si,hi,qi}): Ditto.
1288         (*rep_stos{si,qi}): Ditto.
1289         (*cmpstrnqi_nz_1): Ditto.
1290         (*cmpstrnqi_1): Ditto.
1291         (*strlenqi_1): Ditto.
1292
1293 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
1294
1295         * config/i386/i386.c (function_value_64): Return pointers in
1296         word_mode instead of Pmode.
1297         (ix86_promote_function_mode): Likewise.
1298
1299 2012-03-07  Richard Guenther  <rguenther@suse.de>
1300
1301         * coverage.c (get_gcov_type): Use type_for_mode.
1302         (get_gcov_unsigned_t): Likewise.
1303         * expr.c (store_constructor): Use type_for_mode.
1304         (try_casesi): Likewise.
1305         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
1306         (add_standard_iv_candidates): Use standard type trees.
1307         * dojump.c (do_jump): Remove dead code.
1308
1309 2012-03-07  Richard Guenther  <rguenther@suse.de>
1310
1311         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
1312
1313 2012-03-07  Richard Guenther  <rguenther@suse.de>
1314
1315         * convert.c (strip_float_extensions): Move ...
1316         * tree.c (strip_float_extensions): ... here.
1317
1318 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1319
1320         PR target/52484
1321         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1322
1323 2012-03-07  Richard Guenther  <rguenther@suse.de>
1324
1325         * omp-low.c (extract_omp_for_data): Use signed_type_for.
1326         (expand_omp_for_generic): Likewise.
1327         (expand_omp_for_static_nochunk): Likewise.
1328         (expand_omp_for_static_chunk): Likewise.
1329         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
1330         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
1331         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
1332         Use unsigned_type_for.
1333         (vect_create_cond_for_align_checks): Use signed_type_for.
1334
1335 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
1336
1337         PR rtl-optimization/52203
1338         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
1339         all callers to pass NULL except ...
1340         (reset_sched_cycles_in_current_ebb): ... here, save the value
1341         in new variable 'empty'.  Increase issue_rate only for
1342         non-empty insns.
1343
1344 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1345
1346         PR target/51417
1347         * Makefile.in: Let install-gcc-ar depend on installdirs,
1348         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1349         Don't double canonicalize if cross-compiling.
1350
1351 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1352
1353         PR target/52506
1354         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1355         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1356         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1357
1358 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1359
1360         PR target/52505
1361         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1362         from RAM.
1363         * config/avr/avr.md (xload_8): Adjust insn length.
1364
1365 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1366
1367         PR target/52461
1368         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1369         if RAMPZ affects reading from RAM.
1370
1371 2012-03-07  Richard Guenther  <rguenther@suse.de>
1372
1373         PR pch/52518
1374         PR pch/38987
1375         * doc/invoke.texi (Precompiled Headers): Remove sentence that
1376         suggests you can include PCHs from inside another header.
1377
1378 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
1379
1380         PR middle-end/52515
1381         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
1382
1383 2012-03-07  Kai Tietz  <ktietz@redhat.com>
1384
1385         * doc/invoke.texi (fwritable-relocated-rdata): Document
1386         new Cygwin/MinGW target option.
1387         * config/i386/winnt.c (i386_pe_unique_section): Ignore
1388         reloc if flag -fwritable-relocated-rdata is not set.
1389         (i386_pe_section_type_flags): Likewise.
1390         * config/i386/cygming.opt (fwritable-relocated-rdata):
1391         Add new flag variable flag_writable_rel_rdata.
1392
1393 2012-03-07  Richard Guenther  <rguenther@suse.de>
1394
1395         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
1396         precision against gimple constraints.
1397
1398 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
1399
1400         PR middle-end/52372
1401         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
1402         variables.
1403         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
1404         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
1405         variables.
1406         (init_emit_regs): Move associated initialization to...
1407         (init_emit_once): ...here.
1408
1409 2012-03-06  Richard Henderson  <rth@redhat.com>
1410
1411         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1412         * config/m68k/sync.md (atomic_test_and_set): Use it.
1413         (atomic_test_and_set_1): Likewise.
1414
1415 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1416
1417         PR target/50310
1418         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1419         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1420         (vector_ltgt<mode>): Likewise.
1421         (vector_ordered<mode>): Likewise.
1422         (vector_unordered<mode>): Likewise.
1423         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1424
1425 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1426
1427         * trans-mem.c: New typedef for tm_region_p.
1428         Define vector types for tm_region_p.
1429         (tm_region_init): Replace region_worklist to a vector called
1430         bb_regions.
1431
1432 2012-03-06  Richard Guenther  <rguenther@suse.de>
1433
1434         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
1435         MEM_REF with constant pointer operand.
1436
1437 2012-03-06  Richard Guenther  <rguenther@suse.de>
1438
1439         PR middle-end/52493
1440         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1441
1442 2012-03-06  Tristan Gingold  <gingold@adacore.com>
1443
1444         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
1445         (external_model_kind): Improve documentation.
1446         (vms_pragma_extern_model): Handle relaxed_redef.
1447         (vms_c_register_pragma): Allow expansion for nomember_alignment.
1448
1449 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
1450
1451         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
1452         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
1453         Some more notes on EIND usage and reorder EIND subsection.
1454
1455 2012-03-06  Tristan Gingold  <gingold@adacore.com>
1456
1457         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
1458         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
1459
1460 2012-03-06  Tristan Gingold  <gingold@adacore.com>
1461
1462         * config/vms/t-vmsnative (version): Define.
1463         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
1464
1465 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
1466
1467         PR rtl-optimization/52250
1468         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1469         to put note list into.  Unconditionally call move_bb_info.
1470         (move_bb_info): Do not assert the blocks being in the same region,
1471         just drop the note list if they are not.
1472
1473 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
1474
1475         PR target/51244
1476         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
1477         and use unified expansion logic.
1478         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
1479         closer to the existing movt insn.
1480         (negc): Rename insn to *negc.  Add new expander.
1481         (movnegt): Use xor pattern for T bit negation.  Reserve helper
1482         constant for negc pattern.
1483         (*movnegt): New insn and splitter.
1484
1485 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
1486
1487         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
1488         PLUS_EXPR.
1489
1490 2012-03-05  Richard Henderson  <rth@redhat.com>
1491
1492         * genemit.c (main): Include "target.h" in insn-emit.c.
1493         * Makefile.in (insn-emit.o): Depend on TARGET_H.
1494         * config/sh/sync.md (atomic_test_and_set): Reference
1495         targetm.atomic_test_and_set_trueval instead of
1496         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
1497
1498 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
1499
1500         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1501         Make static.
1502
1503 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
1504
1505         * langhooks.c (add_builtin_type): New function.
1506         * langhooks.h (add_builtin_type): Export it.
1507         * config/mep/mep.c (mep_init_builtins): Use it.
1508         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
1509
1510 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
1511
1512         PR debug/51902
1513         * tree.h (BLOCK_SAME_RANGE): Define.
1514         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
1515         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
1516         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
1517         isn't equal to supercontext fragment's fragment chain.
1518         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
1519         fragment origin.
1520         (blocks_nreverse_all): Likewise.
1521         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
1522         BLOCK_SUPERCONTEXT to supercontext fragment instead of
1523         supercontext fragment's fragment origin.
1524         * dwarf2out.c (add_high_low_attributes): If stmt has the same
1525         range as its parent (or parents thereof etc.), use the parent's
1526         DW_AT_ranges value instead of creating a new .debug_ranges range.
1527
1528 2012-03-05  Richard Henderson  <rth@redhat.com>
1529
1530         PR tree-opt/52242
1531         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1532         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1533         BIGGEST_ALIGNMENT is aligned.
1534
1535 2012-03-05  Richard Henderson  <rth@redhat.com>
1536
1537         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
1538         * config/sh/sh.c: ... here.
1539
1540 2012-03-05  Richard Henderson  <rth@redhat.com>
1541
1542         PR target/52481
1543         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1544         instead of calling negqi2 directly.
1545
1546 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
1547
1548         PR middle-end/52463
1549         * trans-mem.c (tm_region_init): Use last_basic_block.
1550
1551 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1552
1553         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1554         * config/sh/sync.md (atomic_test_and_set): New expander.
1555         (tasb, atomic_test_and_set_soft): New insns.
1556         * config/sh/sh.opt (menable-tas): New option.
1557         * doc/invoke.texi (SH Options): Document it.
1558
1559 2012-03-05  Richard Guenther  <rguenther@suse.de>
1560
1561         * cfgloop.c (verify_loop_structure): Verify dominators before
1562         using them.
1563         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
1564         dominators from here.
1565         * graphite-scop-detection.c (create_sese_edges): Likewise.
1566         * loop-doloop.c (doloop_optimize_loops): Likewise.
1567         * loop-init.c (loop_optimizer_init): Likewise.
1568         * loop-unroll.c (unroll_and_peel_loops): Likewise.
1569         * loop-unswitch.c (unswitch_loops): Likewise.
1570         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
1571         * tree-parloops.c (parallelize_loops): Likewise.  Verify
1572         only when checking is enabled.
1573         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
1574
1575 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
1576
1577         * genautomata.c (parse_automata_opt): New static function.
1578         (initiate_automaton_gen): Remove all option handling code.  Remove
1579         argc argument.  All callers changed.
1580         (main): Call init_rtx_reader_args_cb with the new function as argument.
1581
1582 2012-03-05  Richard Guenther  <rguenther@suse.de>
1583
1584         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
1585         * tree-if-conv.c (combine_blocks): Free post-dominator info
1586         after breaking it.
1587         * tree-parloops.c (create_parallel_loop): Free and re-compute
1588         dominator info after breaking it.
1589
1590 2012-03-05  Richard Guenther  <rguenther@suse.de>
1591
1592         PR middle-end/52353
1593         * optabs.h (trapv_unoptab_p): New function.
1594         (trapv_binoptab_p): Likewise.
1595         * optabs.c (expand_binop): Use emit_libcall_block_1 with
1596         a proper equiv_may_trap argument.
1597         (expand_unop): Likewise.
1598         (emit_libcall_block_1): Take extra argument whether the
1599         instruction may trap.  Renamed from ...
1600         (emit_libcall_block): ... this.  New wrapper.
1601
1602 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
1603
1604         PR tree-optimization/51721
1605         * tree-vrp.c (register_edge_assert_for_2): If comparing
1606         lhs of right shift by constant with an integer constant,
1607         add ASSERT_EXPRs for the rhs1 of the right shift.
1608
1609         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
1610
1611 2012-03-05  Richard Guenther  <rguenther@suse.de>
1612
1613         * tree.c (integer_zerop): Handle VECTOR_CSTs.
1614         (integer_onep): Likewise.
1615         (integer_all_onesp): Likewise.
1616
1617 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
1618
1619         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1620
1621 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1622
1623         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
1624         instead of TARGET_64BIT.
1625
1626 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1627
1628         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
1629         adjust_stack_insn.
1630
1631 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1632
1633         * config/i386/i386.c (ix86_print_operand_address): Only handle
1634         zero-extended DImode addresses.
1635
1636 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
1637
1638         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
1639         taken and cputaken as bool.
1640
1641 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
1642
1643         * config/i386/constraints.md (Ya): New internal constraint.
1644         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
1645         (*zero_extendsidi2_rex64): Add x,x alternative.
1646         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
1647         Remove flags reg clobber.  Adjust corresponding splits.
1648         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
1649         zero_extendqisi2 expanders using SWI12 mode iterator.
1650         (zero_extend<mode>si2_and): Macroize insn from
1651         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
1652         splitters.
1653         (*zero_extend<mode>si2):  Macroize insn from
1654         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
1655         (*zero_extend*2_movzbl_and): Remove insn patterns.
1656         (zero_extendqihi2_and): Merge corresponding splitter.
1657         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
1658         (*zero_extend*2_movzbl_and): Remove insn patterns.
1659         (*anddi_1): Split TYPE_IMOVX instructions.
1660         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
1661         (*andhi_1): Ditto.
1662         (and->zext splitter): Add splitter pattern.
1663         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
1664
1665 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
1666
1667         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
1668         x86-specific text.
1669         (Debugging Options): Likewise.
1670         (Optimize Options): Likewise.
1671         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
1672         with other architectures.  Use official processor names with correct
1673         spelling/capitalization.  Fix formatting and grammar issues.
1674         (i386 and x86-64 Windows Options): Similar cleanup here.
1675
1676 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1677
1678         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1679
1680 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1681
1682         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1683         DBX_REGISTER_NUMBER.
1684
1685 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1686
1687         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1688         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1689         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
1690         of shiftcosts.
1691
1692 2012-03-02  Richard Henderson  <rth@redhat.com>
1693
1694         * optabs.c (expand_atomic_test_and_set): Honor
1695         atomic_test_and_set_trueval even when atomic_test_and_set
1696         optab is not in use.
1697
1698 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1699
1700         PR target/48596
1701         PR target/48806
1702         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1703         GENERAL_REGS and FP_REGS for SImode.
1704
1705 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1706
1707         PR target/49486
1708         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
1709         (absdi2): New expander.
1710         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
1711
1712 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1713
1714         * config/sh/sync.md (atomic_exchange<mode>): New expander.
1715         (atomic_exchange<mode>_soft): New insn.
1716
1717 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1718
1719         * config/sh/sync.md: Update copyright notice dates.
1720         (atomic_compare_and_swap<mode>): Use SImode for return value instead
1721         of QImode.
1722         (atomic_compare_and_swap<mode>_soft): Likewise.
1723
1724 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1725
1726         PR target/31640
1727         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
1728         * config/sh/sh.c: Update copyright notice dates.
1729         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
1730         alignment for TARGET_HARD_SH4.
1731         (sh_option_override): Reduce default function alignment.  Set
1732         loop alignment to 4 bytes when not optimizing for size.
1733
1734 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
1735
1736         PR middle-end/50335
1737         * doc/invoke.texi (floop-flatten): Remove.
1738         * toplev.c (process_options): Remove references to flag_loop_flatten.
1739         * tree-ssa-loop.c (gate_graphite_transform): Same.
1740         * common.opt (floop-flatten): Obsolete.
1741         * graphite-poly.c (apply_poly_transforms): Remove reference to
1742         flag_loop_flatten.
1743         * Makefile.in (graphite-flattening.o): Remove.
1744         * graphite-flattening.c: Remove.
1745
1746 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
1747
1748         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1749         having mode compatible with the mode of previous compare.  Substitute
1750         compare mode of previous compare with the mode, compatible
1751         with eliminated and previous compare.
1752
1753 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1754
1755         * config/rs6000/dfp.md (floatdidd2): New define_insn.
1756
1757 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
1758
1759         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
1760         compatible with CCGOCmode and CCGCmode.
1761
1762 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1763
1764         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1765
1766 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
1767
1768         * config/arm/arm.c (arm_sat_operator_match): New function.
1769         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
1770         * config/arm/arm.md ("insn" attribute): Add "sat" value.
1771         ("SAT", "SATrev"): New code iterators.
1772         ("SATlo", "SAThi"): New code iterator attributes.
1773         ("*satsi_<SAT:code>"): New pattern.
1774         ("*satsi_<SAT:code>_shift"): Likewise.
1775         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
1776         and "shift" attributes.
1777         ("arm_usatsihi"): Add "insn" attribute.
1778         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
1779         by powers of two.  Do not allow shift by 32.
1780
1781 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
1782
1783         PR target/46716
1784         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
1785         to pass the argument in the register of "natural" mode.
1786
1787 2012-03-02  Richard Guenther  <rguenther@suse.de>
1788
1789         PR tree-optimization/52406
1790         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1791         (struct indices): Add unconstrained_base member.
1792         (struct dr_alias): Remove unused vops member.
1793         (DR_UNCONSTRAINED_BASE): New define.
1794         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1795         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1796         be an artificial access that covers the whole indexed object,
1797         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1798         plain decl base-objects to their MEM_REF variant.
1799         (dr_may_alias_p): When the base-object of either data reference
1800         has unknown size use only points-to information.
1801         (compute_affine_dependence): Make dumps easier to read and
1802         more verbose.
1803         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1804         DR_REF when looking for packed references.
1805         (vect_supportable_dr_alignment): Likewise.
1806
1807 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
1808
1809         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
1810         Improve conditions for peepholes of loads followed by commutative
1811         operators.
1812         * config/arm/ldmstm.md: Regenerated.
1813
1814 2012-03-02  Richard Guenther  <rguenther@suse.de>
1815
1816         * BASE-VER: Set to 4.8.0.
1817
1818 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1819
1820         * config.gcc (obsolete): Add all ARM targets using the FPA.
1821         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1822         * doc/install.texi: Avoid references to obsolete ARM ports.
1823
1824 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1825
1826         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1827
1828 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1829             Joern Rennecke  <joern.rennecke@embecosm.com>
1830
1831         * doc/extend.texi: Expand and update information on interrupt
1832         attribute for Epiphany.
1833
1834 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1835
1836         * config/sh/sh-protos.h: Update copyright notice dates.
1837         * config/sh/sh.h: Likewise.
1838         * config/sh/sh.md: Likewise.
1839         * config/sh/constraints.md: Likewise.
1840         * config/sh/predicates.md: Likewise.
1841
1842 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1843
1844         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1845         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1846
1847 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1848
1849         * config/sh/constraints.md: Fix comment typo.
1850
1851 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1852
1853         PR target/52408
1854         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
1855         unsigned HOST_WIDE_INT.
1856         (zvdep_imm64): Likewise.
1857         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
1858         (vdepi_and): Likewise.
1859         Likewise for unamed 64-bit patterns.
1860         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
1861
1862 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
1863
1864         PR debug/52001
1865         PR rtl-optimization/52417
1866         * cselib.c (cselib_any_perm_equivs): New variable.
1867         (cselib_reset_table): Check that it's not set when not
1868         preserving constants.
1869         (cselib_add_permanent_equiv): Set it.
1870         (cselib_have_permanent_equivalences): New.
1871         (cselib_init, cselib_finish): Reset it.
1872         * cselib.h (cselib_have_permanent_equivalences): Declare.
1873         * alias.c (get_addr): Restore earlier behavior when there
1874         aren't permanent equivalences.
1875
1876 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
1877
1878         * config/mn10300/mn10300-modes.def: Fix copyright notice.
1879         * config/v850/v850-modes.def: Fix copyright notice.
1880
1881 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1882
1883         * doc/extend.texi (AVR Built-in Functions): Document
1884         __builtin_avr_flash_segment.
1885
1886         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
1887         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
1888         (*split.flash_segment): New insn-and-split.
1889         * config/avr/avr.c (avr_init_builtins): Add local variables:
1890         const_memx_void_node, const_memx_ptr_type_node,
1891         char_ftype_const_memx_ptr.
1892
1893 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
1894
1895         PR tree-optimization/52445
1896         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
1897         add ssa_name_ver, offset and size fields and change store field
1898         to bool.
1899         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
1900         (add_or_mark_expr): Likewise.  Only consider previous stores
1901         with the same size and offset.
1902         (nt_init_block): Only look at gimple_assign_single_p stmts,
1903         doesn't look at rhs2.
1904
1905 2012-03-01  Richard Guenther  <rguenther@suse.de>
1906
1907         PR middle-end/52443
1908         * tree-cfg.c (verify_gimple_assign_unary): Allow any
1909         conversions from integral types to pointer types.
1910
1911 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
1912
1913         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
1914         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
1915         unintentionally removed in r184616.
1916
1917 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1918
1919         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
1920         3DNow from bdver1.
1921
1922 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1923             Uros Bizjak  <ubizjak@gmail.com>
1924
1925         PR target/52437
1926         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
1927         alternatives, add "e" constraint to the new last alternative
1928         and ! to last 3 alternatives.
1929
1930 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
1931
1932         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
1933         DW_AT_artificial attributes at the end of the processing.
1934         (gen_array_type_die): Likewise.
1935         (gen_enumeration_type_die): Likewise.
1936         (gen_struct_or_union_type_die): Likewise.
1937         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
1938         the parent type.
1939
1940 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1941
1942         PR middle-end/52419
1943         * expr.c (expand_assignment): If doing misaligned store that doesn't
1944         cover all mode bits, perform a RMW cycle.
1945
1946         PR tree-optimization/52429
1947         * tree-parloops.c (separate_decls_in_region_debug): Return early
1948         if var is LABEL_DECL.
1949
1950 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1951
1952         PR tree-optimization/52424
1953         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
1954         calling dom_thread_across_edge.
1955
1956 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1957
1958         * config/avr/avr.c: Move definition of TARGET macros to end of file.
1959
1960 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1961
1962         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
1963         * config/avr/avr.c (avr_output_bld): Remove unused function.
1964         (avr_out_sbxx_branch): Use "%T" to print bit position.
1965
1966 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1967
1968         * config/avr/avr.md: Untabify.
1969
1970 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1971
1972         * config/avr/avr.md (eqne): New code iterator.
1973         (*dec-and-branchsi): Use it in text peephole's condition.
1974         (*dec-and-branchhi): Ditto.
1975         (*dec-and-branchqi): Ditto.
1976
1977 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
1978
1979         PR target/49939
1980         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
1981         the device does not have the skip-bug.
1982
1983 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
1984
1985         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
1986         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
1987         -mpretend-cmove): New.
1988
1989 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
1990
1991         PR bootstrap/52397
1992         * df.h (struct df_d): Adjust comment that hard_regs_live_count
1993         doesn't count DEBUG_INSN refs.
1994         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
1995         for DEBUG_INSN refs.
1996
1997 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1998
1999         Partially revert:
2000
2001         2012-02-20  Richard Guenther  <rguenther@suse.de>
2002         PR tree-optimization/52298
2003         * tree-vect-stmts.c (vectorizable_load): Properly use
2004         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2005         outer loops.
2006
2007 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2008
2009         PR middle-end/51752
2010         * gimple.h (gimple_in_transaction): New.
2011         (gimple_set_in_transaction): New.
2012         (struct gimple_statement_base): Add in_transaction field.
2013         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2014         transaction loads.
2015         (tree_ssa_lim_initialize): Compute transaction bits.
2016         * tree.h (compute_transaction_bits): Protoize.
2017         * trans-mem.c (tm_region_init): Use the heap to store BB
2018         auxilliary data.
2019         (compute_transaction_bits): New.
2020
2021 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2022
2023         * gcc.c (display_help): Document --help=common and sort entries
2024         alphabetically.
2025
2026 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2027
2028         * doc/install.texi: Document check-$LANG specific shortcuts
2029
2030 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2031
2032         PR target/51534
2033         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2034         and vcgtu.
2035         * config/arm/arm_neon.h: Regenerate.
2036         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2037         (neon_vcgeu): New insn.
2038         (neon_vcgtu): Likewise.
2039         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2040         (ops): Unsigned comparison intrinsics call a different builtin.
2041
2042 2012-02-28  Richard Guenther  <rguenther@suse.de>
2043
2044         PR target/52407
2045         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2046         ordering for the VEC_CONCAT for two element vectors for
2047         V2SFmode, V2SImode and V2DImode.
2048
2049 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2050
2051         PR target/49448
2052         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2053         detecting big-endian triplets.
2054
2055 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2056
2057         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2058         mode if there is no type information available.
2059
2060 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2061
2062         PR tree-optimization/53207
2063         * doc/invoke.texi: Document as experimental and relying on graphite.
2064
2065 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2066
2067         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2068         of initializer to changes from r184614.
2069
2070 2012-02-28  Richard Guenther  <rguenther@suse.de>
2071
2072         PR tree-optimization/52395
2073         * tree-sra.c (build_ref_for_offset): Also look at the base
2074         TYPE_ALIGN when figuring out the alignment of the replacement.
2075
2076 2012-02-28  Richard Guenther  <rguenther@suse.de>
2077
2078         PR tree-optimization/52402
2079         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2080         mis-aligned types when creating the accesses at the call site.
2081
2082 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2083
2084         * config/avr/builtins.def: New file.
2085         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2086         * config/avr/avr.c (enum avr_builtin_id): Use it.
2087         (avr_init_builtins): Use it. And use avr_bdesc.
2088         (bdesc_1arg): Remove.
2089         (bdesc_2arg): Remove.
2090         (bdesc_3arg): Remove.
2091         (struct avr_builtin_description): Add field n_args.
2092         (avr_bdesc): New static variable using builtins.def.
2093         (avr_expand_builtin): Use it.
2094         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2095         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2096         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2097
2098 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2099
2100         PR target/52148
2101         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2102         match only one single hard register with respective hard reg rtx.
2103         (movmemx_<mode>): Ditto.
2104         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2105         insn anatomy of movmem[x]_<mode>.
2106         (avr_out_movmem): Same for printing assembler and operand usage.
2107
2108 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2109
2110         PR target/49868
2111         PR target/52261
2112         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2113         address spaces located outside of device flash.
2114
2115         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2116         (mcu_type_s): Add field n_flash.
2117         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2118         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2119         (AVR_MCU): Add N_FLASH argument.
2120         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2121         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2122         macro __FLASH<n> if that address space makes sense for the device.
2123         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2124         outside of target flash.
2125         (avr_asm_named_section): Ditto.
2126         (avr_asm_select_section): Ditto.
2127         (avr_addr_space_convert): Ditto.
2128         (avr_emit_movmemhi): Ditto.
2129         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2130         address space is outside of device flash.
2131         (avr_insert_attributes): Ditto.
2132         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2133         avr_current_arch->n_segments.
2134
2135 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2136
2137         PR target/52352
2138         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
2139         (*movabs<mode>_2): Likewise.
2140
2141 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2142
2143         PR target/52375
2144         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2145         s_register_operand in the test instead of REG_P.  Don't call
2146         gen_reg_rtx if it won't be used.
2147
2148         PR tree-optimization/52376
2149         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2150
2151 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2152
2153         * ifcvt.c (noce_get_condition): Check condition variable is not
2154         small_register_classes_for_mode_p before accepting.
2155
2156 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2157
2158         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2159
2160 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2161
2162         Revert:
2163         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2164         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2165         tuning parameters.
2166         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2167
2168 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2169
2170         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2171
2172 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2173
2174         * config/sh/predicates.md: Remove blank lines.
2175         * config/sh/sh.c: Fix typos in comments.
2176         * config/sh/constraints.md: Likewise.
2177         * config/sh/sh.md: Remove blank lines.
2178         Fix typos in comments.  Use ;; as comment characters.
2179
2180 2012-02-26  Walter Lee  <walt@tilera.com>
2181
2182         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2183         (replace_mov_pcrel_step2): Ditto.
2184
2185 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2186
2187         PR debug/52001
2188         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2189         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2190         and locs that reference values newer than the non-canonical value
2191         at hand.  Return the canonical value as a worst case.
2192         (memrefs_conflict_p): Walk canonical value's locs.
2193
2194         PR debug/52001
2195         * cselib.c (preserve_only_constants): Rename to...
2196         (preserve_constants_and_equivs): ... this.  Split out...
2197         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2198         of other preserved expressions too.
2199         (cselib_reset_table): Adjust.
2200         * var-tracking.c (reverse_op): Use canonical value to build
2201         reverse operation.
2202
2203 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2204
2205         * config/i386/i386.c (ix86_delegitimize_address): Handle
2206         UNSPEC_PCREL plus displacement.
2207
2208 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2209
2210         PR target/52261
2211         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2212         to test for unusedness in st X addressing.
2213
2214 2012-02-24  Richard Guenther  <rguenther@suse.de>
2215
2216         PR middle-end/52361
2217         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2218         (is_gimple_reg_type): Move inline ...
2219         * gimple.h (is_gimple_reg_type): ... here.
2220
2221 2012-02-24  Richard Guenther  <rguenther@suse.de>
2222
2223         PR middle-end/52361
2224         * passes.c (execute_function_todo): When verifying SSA form
2225         verify gimple form first.
2226         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2227
2228 2012-02-24  Richard Guenther  <rguenther@suse.de>
2229
2230         PR middle-end/52355
2231         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2232         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2233
2234 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2235
2236         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2237
2238 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2239
2240         * tree-phinodes.c (make_phi_node): Mark static.
2241         * tree-flow.h (make_phi_node): Remove extern decl.
2242         * doc/gimple.texi (make_phi_node): Remove documentation.
2243
2244 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2245
2246         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2247         * tree-ssa-sccvn.c (print_scc): Ditto.
2248
2249 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2250
2251         * doc/passes.texi (Full redundancy elimination): Fix typo.
2252
2253 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2254
2255         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2256
2257 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2258
2259         PR bootstrap/52287
2260         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2261
2262 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2263
2264         PR c/52290
2265         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2266
2267 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2268
2269         * config/avr/avr.md (code_stdname): Add ior, xor.
2270         (xior): New code iterator.
2271         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2272         (*<code_stdname><mode>qi.byte1-3): Ditto.
2273
2274 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR tree-optimization/52019
2277         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2278         CLOBBER stmts.
2279
2280 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2281
2282         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2283         HAVE_INITFINI_ARRAY to work around namespace pollution in
2284         certain versions of newlib system headers.
2285         * config.in: Regenerate.
2286         * configure: Regenerate.
2287         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2288         instead of HAVE_INITFINI_ARRAY.
2289
2290 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2291
2292         PR target/52330
2293         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2294         is not offsettable memory reference.
2295
2296 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2297
2298         PR target/18145
2299         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2300         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2301
2302 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2303
2304         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2305         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2306
2307 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2308
2309         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2310         library on Solaris 8 even without TLS support.
2311         * configure: Regenerate.
2312
2313 2012-02-22  Richard Guenther  <rguenther@suse.de>
2314
2315         PR middle-end/52329
2316         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2317         for GIMPLE_DEBUG stmts.
2318
2319 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2320
2321         PR middle-end/51782
2322         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2323         according to the base object.
2324
2325 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2326
2327         PR rtl-optimization/50063
2328         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2329         and 2 (8-bit SP) in operand 2.
2330         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2331         setup to use movhi_sp_r instead of vanilla move to write SP.
2332         Adjust REG_CFA notes to superseed unspec.
2333         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2334         of vanilla move.
2335         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2336         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2337         irq_state 1 (IRQ known to be on) here.
2338
2339 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2340
2341         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2342         WORDS_BIG_ENDIAN.
2343         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2344         assign_hard_reg): Likewise.
2345
2346 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2347
2348         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2349
2350 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2351
2352         * config/avr/avr.md
2353         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2354         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2355
2356 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2357
2358         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2359         prototype from here to...
2360         * config/avr/avr.h: ...here.
2361
2362 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2363
2364         PR target/52294
2365         * thumb2.md (thumb2_shiftsi3_short): Split register and
2366         immediate shifts.  For register shifts tie operands 0 and 1.
2367         (peephole2 for above): Check that register-controlled shifts
2368         have suitably tied operands.
2369
2370 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2371
2372         PR target/52137
2373         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2374         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2375         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2376         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2377         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2378         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2379         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2380         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2381         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2382         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2383         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2384         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2385         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2386         bdver1_ssevector_avx256_unaligned_load,
2387         bdver1_ssevector_sse128_unaligned_load,
2388         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2389         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2390         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2391         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2392         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2393         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2394         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2395         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2396         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2397         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2398         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2399         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2400         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2401         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2402         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2403         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2404         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2405         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2406         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2407         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2408         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2409         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2410         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2411         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2412         bdver1_ssediv_double_load, bdver1_ssediv_double,
2413         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2414         Add "bdver2" attribute.
2415
2416 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2417
2418         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2419         default if possible and not specified otherwise.
2420
2421 2012-02-21  Richard Guenther  <rguenther@suse.de>
2422
2423         PR middle-end/52314
2424         * gimplify.c (create_tmp_from_val): Use the main variant type
2425         for the type of the temporary we create.
2426
2427 2012-02-21  Richard Guenther  <rguenther@suse.de>
2428
2429         PR tree-optimization/52324
2430         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2431         do not gimplify a MEM_REF address operand if it is already
2432         in suitable form.
2433
2434 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2435
2436         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2437         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2438
2439 2012-02-21  Richard Guenther  <rguenther@suse.de>
2440
2441         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2442         nested_in_vect_loop.
2443
2444 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2445
2446         PR tree-optimization/52318
2447         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2448         vdef also to non-pure/const call stmts in the sequence.
2449
2450 2012-02-21  Tristan Gingold  <gingold@adacore.com>
2451
2452         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
2453
2454 2012-02-20  David S. Miller  <davem@davemloft.net>
2455
2456         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2457         don't use the "rd %pc" instruction on v9 for PIC register loads.
2458
2459 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2460
2461         PR middle-end/52141
2462         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2463         in a transaction safe function.
2464
2465 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2466
2467         PR target/52238
2468         * stor-layout.c (place_field): Handle desired_align for
2469         ms-bitfields, too.
2470
2471 2012-02-20  Richard Guenther  <rguenther@suse.de>
2472
2473         PR tree-optimization/52298
2474         * tree-vect-stmts.c (vectorizable_store): Properly use
2475         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2476         outer loops.
2477         (vectorizable_load): Likewise.
2478         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2479         Access DR_STEP after ensuring it is not NULL.
2480
2481 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2482
2483         PR tree-optimization/52286
2484         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2485         optimization use double_int_to_tree instead of build_int_cst_wide,
2486         rewrite to use double_int vars.
2487
2488 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2489
2490         PR target/50166
2491         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2492         Define _start.
2493         Remove -e 0 from $gcc_cv_ld invocation.
2494         Only use __GLIBC_PREREQ if defined.
2495         Enable on Solaris since Solaris 8 patch.
2496         (gcc_SUN_LD_VERSION): New macro.
2497         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2498         gcc_SUN_LD_VERSION for version number format.
2499         * configure: Regenerate.
2500         * varasm.c (get_elf_initfini_array_priority_section): Set
2501         SECTION_NOTYPE for non-default priority.
2502         Use get_section instead of get_unnamed_section to emit
2503         .init_array/.fini_array with default priority.
2504
2505 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2506
2507         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2508         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2509         (mips_start_unique_function, mips_output_mips16_rdhwr)
2510         (mips_code_end): New functions.
2511         (TARGET_ASM_CODE_END): Define.
2512
2513 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2514
2515         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2516         to stubs with non-sibling calls.
2517
2518 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2519
2520         * doc/invoke.texi (-fira-* options): Copy-edit.
2521         (ira-* parameters): Copy-edit.
2522
2523 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2524
2525         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2526         GCC coding conventions.
2527
2528 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2529
2530         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2531         when used as adjectives.
2532
2533 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2534
2535         * doc/invoke.texi: Clean up "that"/"which" confusion.
2536
2537 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2538
2539         * system.h: Poison SMALL_REGISTER_CLASSES
2540         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2541         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2542
2543 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2544
2545         PR tree-optimization/52285
2546         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2547         when deciding if a call is a tail call or tail recursion.
2548
2549 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2550
2551         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2552         interger-constant displacement for UNSPEC_PCREL.
2553
2554 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2555
2556         PR rtl-optimization/52208
2557         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2558         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2559
2560         PR tree-optimization/52255
2561         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2562         loop->header has virtual PHI, but exit_e->dest doesn't, add
2563         virtual PHI to exit_e->dest and adjust all uses after the loop.
2564
2565         PR debug/52260
2566         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2567         children with clone_tree_hash, not after it.
2568
2569 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2570
2571         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2572         extended identifiers.
2573
2574 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR middle-end/51929
2577         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2578         a same_body_alias, also test whether e->callee isn't a former
2579         or current clone of the decl this is a same body alias of.
2580
2581         PR translation/52264
2582         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2583
2584 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2585
2586         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2587
2588 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2589
2590         PR target/52199
2591         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2592         force_reg instead of copy_to_reg for better optimization.  Force
2593         non-register or memory operands into a register.
2594
2595 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2596
2597         * extend.texi: Reserve upper bits of memory model for future use.
2598
2599 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2600             Anatoly Sokolov <aesok@post.ru>
2601             Eric Weddington <eric.weddington@atmel.com>
2602
2603         PR target/52261
2604         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2605         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2606         Rewrite initializers for .macro.
2607         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2608         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2609         atxmega32d4, atxmega32x1.
2610         avrxmega4: atxmega64a3, atxmega64d3.
2611         avrxmega5: atxmega64a1, atxmega64a1u.
2612         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2613         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2614         avrxmega7: atxmega128a1, atxmega128a1u.
2615         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2616         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2617         (struct base_arch_s): Rename reserved to xmega_p.
2618         Rename reserved2 to have_rampd.
2619         (AVR_XMEGA): New define.
2620         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2621         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2622         * config/avr/predicates.md (io_address_operand): Take into
2623         account SFR offset.
2624         (low_io_address_operand): Ditto.
2625         (high_io_address_operand): Ditto.
2626         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2627         (enabled, movhi_sp_r): Use them.
2628         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2629         cpp_define_formatted to built-in define __AVR_ARCH__.
2630         (__AVR_XMEGA__): New built-in define.
2631         (__AVR_HAVE_RAMPD__): New built-in define.
2632         (__AVR_HAVE_RAMPX__): New built-in define.
2633         (__AVR_HAVE_RAMPY__): New built-in define.
2634         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2635
2636         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2637         (avr_option_override): Initialize them.
2638         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2639         (avr_init_expanders): Initialize them. No more block several calls.
2640         (emit_push_sfr): New static function.
2641         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2642         Handle AVR_XMEGA.
2643         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2644         (avr_print_operand): Print addreeses as symbols for
2645         RAMPX, RAMPY, RAMPD, CCP.
2646         (output_movhi): Handle AVR_XMEGA when writing to SP.
2647         (avr_out_movhi_mr_r_xmega): New static function.
2648         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2649         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2650         __RAMPD__,  __CCP__ as needed.
2651
2652         * config/avr/multilib.h: Regenerate.
2653         * config/avr/t-multilib: Regenerate.
2654         * config/avr/avr-tables.opt: Regenerate.
2655
2656 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2657
2658         PR tree-optimization/50561
2659         * graphite-flattening.c (lst_project_loop): Do not
2660         remove old scattering dimensions after flattening.
2661         (lst_do_flatten): Likewise.
2662
2663 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2664
2665         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2666         __builtin_avr_map8, __builtin_avr_map16.
2667         Document __builtin_avr_insert_bits.
2668
2669         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2670         (insert_bits): New insn.
2671         (adjust_len.map_bits): Rename to insert_bits.
2672         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2673         * avr-protos.h (avr_out_map_bits): Remove.
2674         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2675         * config/avr/constraints.md (Cxf,C0f): New.
2676         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2677         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2678         New built-in define __BUILTIN_AVR_INSERT_BITS.
2679         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2680         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2681         (avr_move_bits): Rewrite.
2682         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2683         functions.
2684         (avr_map_op_t): New typedef.
2685         (avr_map_op): New static variable.
2686         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2687         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2688         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2689         (bdesc_3arg, avr_expand_triop_builtin): New.
2690         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2691         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2692         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2693         (avr_map_equal_p, avr_map_sig_p): Remove.
2694         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2695         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2696         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2697         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2698         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2699         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2700
2701 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2702
2703         * config/c6x/c6x.md (reserve_cycles): New attribute.
2704         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2705         don't reserve functional units after the branch occurs.
2706
2707 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2708
2709         PR middle-end/52142
2710         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2711         functions into non-tm_pure functions.
2712
2713 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2714
2715         PR lto/52178
2716         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2717         (iterative_hash_canonical_type): Likewise.
2718         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2719         the dead edges.
2720
2721 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2722
2723         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2724         sched-group insn, it either remains alone or the entire list is pruned.
2725
2726 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2727
2728         * doc/install.texi (Prerequisites): Fix grammar.
2729         (Configuration): Likewise.
2730
2731 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2732
2733         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2734         MPC as part of GCC before describing configuring with --with-gmp etc.
2735         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2736         sources are present.
2737
2738 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2739
2740         PR debug/51950
2741         * dwarf2out.c (clone_tree_hash): New function.
2742         (copy_decls_walk): Use it instead of clone_tree.
2743
2744 2012-02-14  Richard Guenther  <rguenther@suse.de>
2745
2746         PR tree-optimization/52244
2747         PR tree-optimization/51528
2748         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2749         replacements for integral types.
2750
2751 2012-02-14  Walter Lee  <walt@tilera.com>
2752
2753         * config.gcc: Handle tilegx and tilepro.
2754         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2755         tilegx and tilepro.
2756         Add HAVE_AS_TLS check for tilegx and tilepro.
2757         * configure: Regenerate.
2758         * doc/contrib.texi: Add Mat Hostetter and self.
2759         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2760         Document instruction intrinsics and network accessing intrinsics.
2761         (TILEPro Built-in Functions): New node.  Document instruction
2762         intrinsics and network accessing intrinsics.
2763         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2764         (Specific, tilepro-*-linux*): Likewise.
2765         * doc/invoke.texi (TILE-Gx Options): New section.
2766         (TILEPro Options): New section.
2767         * doc/md.texi (TILE-Gx): New section.
2768         (TILEPro): New section.
2769         * common/config/tilegx/tilegx-common.c: New file.
2770         * common/config/tilepro/tilepro-common.c: New file.
2771         * config/tilegx/constraints.md: New file.
2772         * config/tilegx/linux.h: New file.
2773         * config/tilegx/mul-tables.c: New file.
2774         * config/tilegx/predicates.md: New file.
2775         * config/tilegx/sync.md: New file.
2776         * config/tilegx/t-tilegx: New file.
2777         * config/tilegx/tilegx-builtins.h: New file.
2778         * config/tilegx/tilegx-c.c: New file.
2779         * config/tilegx/tilegx-generic.md: New file.
2780         * config/tilegx/tilegx-modes.def: New file.
2781         * config/tilegx/tilegx-multiply.h: New file.
2782         * config/tilegx/tilegx-protos.h: New file.
2783         * config/tilegx/tilegx.c: New file.
2784         * config/tilegx/tilegx.h: New file.
2785         * config/tilegx/tilegx.md: New file.
2786         * config/tilegx/tilegx.opt: New file.
2787         * config/tilepro/constraints.md: New file.
2788         * config/tilepro/gen-mul-tables.cc: New file.
2789         * config/tilepro/linux.h: New file.
2790         * config/tilepro/mul-tables.c: New file.
2791         * config/tilepro/predicates.md: New file.
2792         * config/tilepro/t-tilepro: New file.
2793         * config/tilepro/tilepro-builtins.h: New file.
2794         * config/tilepro/tilepro-c.c: New file.
2795         * config/tilepro/tilepro-generic.md: New file.
2796         * config/tilepro/tilepro-modes.def: New file.
2797         * config/tilepro/tilepro-multiply.h: New file.
2798         * config/tilepro/tilepro-protos.h: New file.
2799         * config/tilepro/tilepro.c: New file.
2800         * config/tilepro/tilepro.h: New file.
2801         * config/tilepro/tilepro.md: New file.
2802         * config/tilepro/tilepro.opt: New file.
2803
2804 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2805
2806         PR tree-optimization/52210
2807         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2808         vect_model_simple_cost with two entry vect_def_type array instead
2809         of an address of dt.
2810
2811 2012-02-14  Richard Guenther  <rguenther@suse.de>
2812
2813         PR lto/52178
2814         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2815         Do not stream DECL_QUALIFIER.
2816         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2817         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2818         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2819
2820 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR c/52181
2823         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2824         newdecl.
2825
2826 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2827
2828         PR bootstrap/52172
2829         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2830         * cselib.c (cselib_subst_to_values_from_insn): New function.
2831         * sched-deps.c (add_insn_mem_dependence,
2832         sched_analyze_1, sched_analyze_2): Use it.
2833
2834 2012-02-13  Jan Hubicka  <jh@suse.cz>
2835
2836         PR middle-end/52214
2837         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2838
2839 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2840
2841         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2842         (GTM_SELF_SPECS): Define if not already defined.
2843         (driver_self_specs): Add GTM_SELF_SPECS.
2844         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2845         (GTM_SELF_SPECS): Define.
2846         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2847         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2848
2849 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2850
2851         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2852         away if seen.
2853
2854         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
2855
2856         PR middle-end/52230
2857         * omp-low.c (expand_omp_for): If a static schedule without chunk size
2858         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
2859
2860 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
2861
2862         PR c/52190
2863         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
2864
2865 2012-02-13  Richard Guenther  <rguenther@suse.de>
2866
2867         PR translation/52211
2868         * passes.c (enable_disable_pass): Fix typo.
2869
2870 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2871
2872         PR middle-end/52209
2873         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
2874         XOR for reduce_bit_field if type is unsigned.
2875
2876 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2877
2878         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
2879         disallow changes from SFmode to mode with different size in FP regs.
2880
2881 2012-02-12  Robert Millan  <rmh@gnu.org>
2882             Gerald Pfeifer <gerald@pfeifer.com>
2883
2884         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
2885         Tweak comment.
2886
2887 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
2888
2889         PR rtl-optimization/52175
2890         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
2891         to frame-related instructions.
2892
2893 2012-02-10  Jason Merrill  <jason@redhat.com>
2894
2895         PR c++/51910
2896         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
2897         (demangle_new_symbols): Fill it.
2898         (scan_linker_output): Walk it.
2899         (start_tweaking): Split out from scan_linker_output.
2900         (maybe_tweak): Update sym->chosen.
2901         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
2902
2903 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
2904
2905         PR debug/52132
2906         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
2907
2908 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
2909
2910         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
2911         having the same mode as previous compare.
2912
2913 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
2914
2915         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
2916         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
2917         (nonlocal_goto_internal): Likewise.
2918         (nonlocal_goto): Emit a use and an indirect jump directly.
2919
2920 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
2921
2922         PR c/52190
2923         * doc/extend.texi : Update comments for __atomic_compare_exchange and
2924         __atomic_{is,always}_lock_free.
2925
2926 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
2927
2928         PR target/52146
2929         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
2930         negative constant address for TARGET_X32.
2931
2932 2012-02-10  Richard Henderson  <rth@redhat.com>
2933
2934         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
2935         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
2936         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
2937
2938 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2939             Ira Rosen  <irar@il.ibm.com>
2940
2941         PR tree-optimization/50031
2942         * targhooks.c (default_builtin_vectorization_cost): Handle
2943         vec_promote_demote.
2944         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
2945         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
2946         all types of reduction and pattern statements.
2947         (vect_estimate_min_profitable_iters): Likewise.
2948         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
2949         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
2950         for explicit realigns.
2951         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
2952         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
2953         vec_promote_demote.
2954         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
2955         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
2956         vec_perm for VSX and handle vec_promote_demote.
2957
2958 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
2959
2960         PR middle-end/52177
2961         * builtins.c (fold_builtin_atomic_always_lock_free,
2962         expand_builtin_atomic_always_lock_free,
2963         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
2964         Return and/or test boolean_true_node/boolean_false_node instead of
2965         integer_one_node/integer_zero_node.
2966
2967 2012-02-10  Jan Hubicka  <jh@suse.cz>
2968
2969         PR middle-end/48600
2970         * predict.c (predict_paths_for_bb): Prevent looping.
2971         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
2972
2973 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
2974
2975         * config/arm/arm.c (output_move_double): In one case properly
2976         count number of instructions that will be emitted.
2977
2978 2012-02-10  Richard Guenther  <rguenther@suse.de>
2979
2980         PR translation/52193
2981         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
2982
2983 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
2984
2985         PR middle-end/52140
2986         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
2987
2988 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
2989
2990         PR debug/52165
2991         * var-tracking.c (emit_note_insn_var_location): If
2992         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
2993         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
2994         non-NOTE_DURING_CALL_P insn.
2995
2996 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
2997
2998         PR middle-end/51867
2999         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3000
3001 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3002
3003         PR driver/48524
3004         * gcc.c (switch_matches) Support switches with separated form,
3005         -D and -U.
3006
3007 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3008
3009         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3010         (SP_ADDR): Ditto.
3011         (RAMPZ_ADDR): Ditto.
3012         * config/avr/avr.c (avr_addr_t): New typedef.
3013         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3014         (avr_init_expanders): Initialize it.
3015         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3016         SREG_ADDR.
3017         (expand_epilogue): Ditto.
3018         (avr_print_operand): Ditto.
3019         (avr_file_start): Ditto.
3020         (avr_emit_movmemhi): Ditto.
3021
3022 2012-02-08  Richard Guenther  <rguenther@suse.de>
3023
3024         PR tree-optimization/46886
3025         * tree-flow.h (do_while_loop_p): Declare.
3026         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3027         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3028
3029 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3030
3031         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3032         always succeed for integers larger than a native word.
3033
3034 2012-02-08  Richard Guenther  <rguenther@suse.de>
3035
3036         PR rtl-optimization/52170
3037         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3038         properly handle integer vector modes.
3039
3040 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3041
3042         PR gcov-profile/52150
3043         * coverage.c: Include target.h.
3044         (build_var): Call targetm.strip_name_encoding on the assembler name.
3045         Change one _ into . or $ if the target allows it.
3046         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3047
3048         PR rtl-optimization/52139
3049         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3050         is a BARRIER after emit_insn_after_noloc, move BB_END
3051         to the last non-BARRIER insn before it.
3052
3053 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3054
3055         PR middle-end/24306
3056         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3057         (mips_gimplify_va_arg_expr): Call it instead of
3058         std_gimplify_va_arg_expr.
3059
3060 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3061
3062         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3063         message for -mno-pointers-to-nested-function.
3064
3065 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3066
3067         PR middle-end/51994
3068         * expr.c (get_inner_reference): If there is an offset, add a negative
3069         bit position to it (if any).
3070
3071 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3072
3073         PR rtl-optimization/52060
3074         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3075         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3076         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3077         and/or i0src_copy2 when needed.
3078
3079 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3080
3081         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3082         or LTOPLUGINSONAME if have_c.
3083
3084         * config/freebsd-spec.h: Add comment about what macros can be defined
3085         in this header.
3086         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3087         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3088         here instead.
3089
3090 2012-02-07  Richard Guenther  <rguenther@suse.de>
3091
3092         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3093         newline in -alias dumps.
3094
3095 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3096             Dave Korn  <dave.korn.cygwin@gmail.com>
3097
3098         PR target/40068
3099         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3100         Take care that typinfo gets dllexport-attribute.
3101
3102 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3103
3104         PR middle-end/52074
3105         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3106         if modifier < EXPAND_SUM call force_operand on the result.
3107
3108 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3109
3110         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3111         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3112         present.
3113         (epiphany_function_type): Replace types for specific interrupts with
3114         EPIPHANY_FUNCTION_INTERRUPT.
3115         (EPIPHANY_INTERRUPT_P): Update.
3116         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3117         New static function.
3118         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3119         <disinterrupt>: Affects type identity.
3120         (epiphany_handle_interrupt_attribute): Handle variable number of
3121         arguments.
3122         (epiphany_compute_function_type): Update for new
3123         epiphany_function_type definition.
3124         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3125         handlers with a longcall forwarder.
3126         (epiphany_start_function): Handle multiple interrupt arguments and/or
3127         forwarder_section attribute.
3128
3129         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3130         libgloss.
3131
3132 2012-02-07  Alan Modra  <amodra@gmail.com>
3133
3134         PR target/52107
3135         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3136         subregs of TFmode.
3137
3138 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3139
3140         PR tree-optimization/50969
3141         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3142         use vec_perm rather than vector_stmt.
3143         (vect_model_load_cost): Likewise.
3144         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3145         vec_perm to be the same as other vector statements.
3146         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3147         cost of vec_perm for TARGET_VSX.
3148
3149 2012-02-06  Richard Guenther  <rguenther@suse.de>
3150
3151         PR tree-optimization/52115
3152         * tree-sra.c (access_has_replacements_p): New function.
3153         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3154
3155 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3156
3157         PR middle-end/52047
3158         * trans-mem.c (expand_call_tm): Add an assertion.
3159         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3160         functions.
3161
3162 2012-02-06  Richard Guenther  <rguenther@suse.de>
3163
3164         PR tree-optimization/50955
3165         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3166         raise cost of expressions that replace an address with an
3167         expression based on a different pointer.
3168
3169 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR target/52129
3172         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3173         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3174
3175 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3176
3177         PR c++/48680
3178         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3179         -Weffc++ and specify guidelines come from second edition.
3180
3181 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3182
3183         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3184         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3185         (call_direct_split, call_value_split, call_value_internal_direct)
3186         (call_value_direct_split, call_value_multiple_split): Use jal and
3187         jal_macro attributes.
3188
3189 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3190
3191         * reload1.c (reload_regs_reach_end_p): Replace with...
3192         (reload_reg_rtx_reaches_end_p): ...this function.
3193         (new_spill_reg_store): Update commentary.
3194         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3195         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3196         before setting new_spill_reg_store.
3197         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3198         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3199         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3200         for non-spill reload registers.
3201
3202 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3203
3204         PR tree-optimization/52091
3205         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3206         (vect_is_simple_use_1): Likewise.
3207         * tree-vect-loop.c (vectorizable_reduction): Update calls
3208         to vect_is_simple_use_1 and vect_is_simple_use.
3209         (vectorizable_live_operation): Likewise.
3210         * tree-vect-patterns.c (widened_name_p,
3211         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3212         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3213         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3214         vectorizable_shift,vectorizable_operation, vectorizable_store,
3215         vectorizable_load): Likewise.
3216         (vect_is_simple_cond): Add an argument, pass it to
3217         vect_is_simple_use_1.
3218         (vectorizable_condition): Update calls to vect_is_simple_cond,
3219         vect_is_simple_use.
3220         (vect_is_simple_use): Add an argument, the statement in which
3221         OPERAND is used.  Check that if OPERAND's def stmt is a double
3222         reduction phi node, the use is a phi node too.
3223         (vect_is_simple_use_1): Add an argument, pass it to
3224         vect_is_simple_use.
3225         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3226         to vect_is_simple_use.
3227
3228 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3229
3230         PR rtl-optimization/52095
3231         * modulo-sched.c (dump_insn_locator): New function.
3232         (loop_canon_p, sms_schedule): Use it.
3233
3234         PR rtl-optimization/52113
3235         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3236         even for decomposable shift/zext insns.
3237
3238 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3239             Zdenek Dvorak  <ook@ucw.cz>
3240
3241         PR rtl-optimization/52092
3242         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3243         on get_iv_value result.
3244
3245 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3246
3247         PR middle-end/47982
3248         PR middle-end/43967
3249         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3250
3251 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3252
3253         PR middle-end/48071
3254         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3255
3256 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3257
3258         PR rtl-optimization/49800
3259         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3260         (sched_finish): Call regstat_free_n_sets_and_refs.
3261
3262 2012-02-02  Jia Liu  <proljc@gmail.com>
3263
3264         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3265         than operand 2.
3266
3267 2012-02-02  Jan Hubicka  <jh@suse.cz>
3268             Tom de Vries  <tom@codesourcery.com>
3269
3270         PR middle-end/51998
3271         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3272         * varpool.c (varpool_analyze_pending_decls): Likewise.
3273
3274 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3275             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3276
3277         * config.gcc: Add cr16-* support.
3278
3279         * doc/extend.texi: Document cr16 extensions.
3280         * doc/install.texi: Document cr16 install.
3281         * doc/invoke.texi: Document cr16 options.
3282         * doc/md.texi: Document cr16 constraints.
3283
3284         * common/config/cr16/cr16-common.c: New file.
3285         * config/cr16/cr16.c: New file.
3286         * config/cr16/cr16.h: New file.
3287         * config/cr16/cr16.md: New file.
3288         * config/cr16/cr16.opt: New file.
3289         * config/cr16/cr16-protos.h: New file.
3290         * config/cr16/predicates.md: New file.
3291         * config/cr16/constraints.md: New file.
3292         * config/cr16/t-cr16: New file.
3293
3294 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3295
3296         PR target/52086
3297         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3298         that operands[2] is either immediate, or q_regs_operand.
3299
3300         PR tree-optimization/52073
3301         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3302         a pattern stmt for pattern uses, ignore uses outside of the loop.
3303
3304 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3305
3306         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3307         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3308         (OUT_AS1, OUT_AS2): Remove.
3309
3310 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3311
3312         PR rtl-optimization/51374
3313         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3314         to cross other volatile_refs_p insns.
3315
3316 2012-02-01  Richard Guenther  <rguenther@suse.de>
3317
3318         * doc/invoke.texi (fno-inline): Clarify documentation.
3319         (finline-small-functions): Likewise.
3320         (finline-functions): Likewise.
3321         * common.opt (finline): Adjust comment and documentation.
3322         (finline-small-functions): Clarify documentation.
3323         (finline-functions): Likewise.
3324         (finline-functions-called-once): Likewise.
3325
3326 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3327
3328         * c-typeck.c (composite_type): Keep mode for pointers.
3329
3330 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3331
3332         * function.h (regno_reg_rtx): Adjust comment.
3333         * reginfo.c (init_reg_modes_target): Only use the previous mode
3334         if it fits within one register.  Remove MIPS comment.
3335
3336 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3337
3338         PR bootstrap/52058
3339         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3340
3341 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3342
3343         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3344         to srak instruction.
3345
3346 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3347
3348         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3349
3350 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3351
3352         PR bootstrap/52041
3353         PR bootstrap/52039
3354         PR target/51974
3355         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3356
3357 2012-01-31  Richard Guenther  <rguenther@suse.de>
3358
3359         PR tree-optimization/51528
3360         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3361         assigns.
3362
3363 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3364
3365         PR bootstrap/52041
3366         PR bootstrap/52039
3367         PR target/51974
3368         * ree.c (add_removable_extension): Change def_map argument
3369         to unsigned *, store in def_map 1 + offset into *insn_list vector
3370         instead of pointers into the vector.
3371         (find_removable_extensions): Adjust caller.
3372
3373 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3374
3375         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3376         Transform all "* quoted-c-code" to { c-code }.
3377         Remove redundant test for "optimize" in combine patterns.
3378         Move (include "avr-dimode.md") to end of file.
3379
3380 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3381
3382         PR target/51835
3383         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3384         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3385
3386 2012-01-30  Richard Guenther  <rguenther@suse.de>
3387
3388         PR tree-optimization/52028
3389         * tree-loop-distribution.c (ldist_gen): Properly update
3390         virtual SSA form.
3391
3392 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3393
3394         PR debug/52027
3395         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3396         set_cur_line_info_table if not emitting debug info.
3397
3398         PR tree-optimization/52046
3399         * tree-vect-patterns.c (check_bool_pattern): Give up if
3400         a comparison could throw.
3401
3402         PR debug/52048
3403         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3404
3405 2012-01-30  Richard Guenther  <rguenther@suse.de>
3406
3407         PR tree-optimization/52045
3408         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3409         SSA form if cfgcleanup did anything.
3410
3411 2012-01-30  Richard Guenther  <rguenther@suse.de>
3412
3413         PR tree-optimization/52045
3414         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3415         before computing final todo.
3416
3417 2012-01-30  Richard Guenther  <rguenther@suse.de>
3418
3419         PR tree-optimization/51528
3420         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3421         for PR51528 fix.
3422
3423 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3424
3425         * df-problems.c (df_kill_notes): Check that the use refers
3426         to the note under examination.
3427
3428 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3429
3430         PR target/51920
3431         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3432         parameter and use short-lived pseudos.
3433         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3434         (sparc_expand_vector_init): Const-ify local variables and adjust
3435         calls to above functions.
3436
3437 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3438
3439         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3440
3441 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3442
3443         * doc/invoke.texi: Make usage of "compile time" and
3444         "run time"/"runtime" consistent throughout the file.
3445
3446 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3447
3448         * config/alpha/alpha.c (alpha_option_override): Default to
3449         full IEEE compliance mode for Go language.
3450
3451 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3452
3453         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3454         (LINK_SSP_SPEC): Define.
3455
3456 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3457
3458         PR target/51871
3459         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3460         stubs.
3461
3462 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3463
3464         * doc/invoke.texi: Correct hyphenation of "floating point",
3465         "double precision", and related terminology throughout the file.
3466
3467 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3468
3469         PR target/52006
3470         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3471         arm_general_register_operand predicate for operand 2 instead of
3472         register_operand.
3473
3474 2012-01-27  Ian Lance Taylor  <iant@google.com>
3475
3476         PR go/47656
3477         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3478         * builtins.c (expand_builtin_init_trampoline): Add onstack
3479         parameter.  Change caller.
3480         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3481         * tree.c (build_common_builtin_nodes): Declare
3482         __builtin_init_heap_trampoline.
3483
3484 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3485
3486         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3487         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3488         * config/avr/avr.c: Ditto.
3489         (avr_regnames): Remove because unused.
3490         * config/avr/avr.md (*cpse.ne): New peephole.
3491         (*cpse.eq): New peephole from former cpse peepholes.
3492
3493 2012-01-27  Michael Eager  <eager@eagercon.com>
3494
3495         * config/microblaze.c (microblaze_emit_compare): Correct
3496         test after pcmp instruction.
3497
3498 2012-01-27  Richard Guenther  <rguenther@suse.de>
3499
3500         PR tree-optimization/52020
3501         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3502
3503 2012-01-27  Richard Guenther  <rguenther@suse.de>
3504
3505         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3506         function non-const/pure.
3507
3508 2012-01-27  Richard Guenther  <rguenther@suse.de>
3509
3510         PR tree-optimization/50444
3511         * tree-sra.c (build_ref_for_offset): Properly adjust the
3512         MEM_REF type for unaligned accesses.
3513
3514 2012-01-27  Richard Guenther  <rguenther@suse.de>
3515
3516         PR tree-optimization/50444
3517         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3518         (expand_assignment): Use it.  Properly handle misaligned
3519         bases when expanding stores to component references.
3520         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3521         refactor that case.
3522
3523 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3524
3525         PR middle-end/51389
3526         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3527         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3528         * tree-data-ref.c (find_data_references_in_loop): Make static.
3529         (compute_all_dependences): Change return type to bool.  Bail out
3530         for too many datarefs in a loop.  Move the hunk resetting the data
3531         dependences vector from ...
3532         (compute_data_dependences_for_loop): ... here.  Account for
3533         compute_all_dependences returning false.
3534         (compute_data_dependences_for_bb): Likewise.
3535         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3536         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3537
3538 2012-01-27  Richard Guenther  <rguenther@suse.de>
3539
3540         PR middle-end/51959
3541         * expr.c (store_field): Use the alias-set of the scratch memory
3542         for storing to it.
3543
3544 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3545
3546         PR tree-optimization/51990
3547         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3548         WITH_SIZE_EXPR.
3549         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3550
3551 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3552
3553         PR debug/52001
3554         * var-tracking.c (reverse_op): Don't add any reverse operation
3555         if V already has any constant locations.
3556
3557 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3558
3559         * doc/invoke.texi: Correct usage of "command line" (noun)
3560         vs "command-line" (adjective) throughout.
3561
3562 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3563
3564         * doc/invoke.texi (Language Independent Options): Move
3565         -Wcoverage-mismatch blurb from here....
3566         (Warning Options): ...to here.
3567
3568 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3569
3570         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3571         Set rs6000_always_hint to false for 476.
3572
3573 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3574
3575         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3576           system root.
3577         * incpath.c (add_standard_paths): Likewise.
3578
3579 2012-01-27  Richard Henderson  <rth@redhat.com>
3580
3581         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3582         * config/m68k/sync.md (atomic_test_and_set): Rename from
3583         sync_test_and_setqi and adjust the operands.
3584         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3585         and unconditionally enable.
3586
3587 2012-01-27  Richard Henderson  <rth@redhat.com>
3588
3589         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3590         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3591         (ldstub): Rename from ldstubqi.
3592         (ldstub<I24MODE>): Remove.
3593
3594 2012-01-27  Richard Henderson  <rth@redhat.com>
3595
3596         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3597         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3598         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3599         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3600         * doc/tm.texi: Rebuild.
3601
3602 2012-01-27  Richard Henderson  <rth@redhat.com>
3603
3604         * optabs.c (gen_atomic_test_and_set): Remove default.
3605         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3606
3607 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3608
3609         PR rtl-optimization/51978
3610         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3611         (combine_reaching_defs): Likewise.
3612         (struct re_info): Remove.
3613         (add_removable_extension): Remove x and data arguments,
3614         add insn, insn_list and def_map.  Use the arguments directly
3615         instead of using struct re_info.
3616         (find_removable_extensions): Don't call add_removable_extension
3617         through note_stores, instead just call it with single_set
3618         result if non-NULL.
3619         (find_and_remove_re): Pass curr_cand->expr instead of
3620         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3621
3622 2012-01-26  Michael Matz  <matz@suse.de>
3623
3624         PR tree-optimization/46590
3625         * cfgexpand.c: Revert last change (r183305).
3626         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3627         regs.
3628         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3629         checking for emptiness.
3630
3631 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3632
3633         PR middle-end/51895
3634         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3635         non-addressable non-BLKmode base correctly.
3636
3637 2012-01-26  Michael Matz  <matz@suse.de>
3638
3639         PR tree-optimization/48794
3640         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3641         regions referenced from RESX/EH_DISPATCH.
3642
3643 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3644
3645         * config/s390/s390.h: Make BRANCH_COST an option.
3646         * config/s390/s390.opt: New option -mbranch-cost.
3647
3648 2012-01-26  Richard Henderson  <rth@redhat.com>
3649
3650         Revert 2012-01-24 change:
3651         * trans-mem.c (requires_barrier): Do not instrument thread local
3652         variables and emit save/restore for them.
3653
3654 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3655
3656         PR middle-end/51986
3657         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3658         for pat == 0.
3659
3660 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3661
3662         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3663         ASM_OPERANDS.
3664
3665 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3666
3667         PR target/49868
3668         Rename __pgm to __flash.
3669         Rename __pgm1 to __flash1.
3670         Rename __pgm2 to __flash2.
3671         Rename __pgm3 to __flash3.
3672         Rename __pgm4 to __flash4.
3673         Rename __pgm5 to __flash5.
3674         Rename __pgmx to __memx.
3675         * doc/extend.texi (AVR Named Address Spaces)
3676         Rename address space names as indicated above.
3677         * config/avr/avr.c (avr_addrspace): Ditto.
3678
3679         * config/avr/avr-protos.h
3680         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3681         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3682         * config/avr/predicates.md: Ditto.
3683         * config/avr/avr.c Ditto, and
3684         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3685         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3686
3687         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3688         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3689         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3690         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3691         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3692         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3693         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3694         * config/avr/avr.c: Ditto.
3695         * config/avr/avr.md: Ditto.
3696
3697 2012-01-25  Jason Merrill  <jason@redhat.com>
3698
3699         PR c++/51992
3700         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3701
3702 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3703
3704         PR tree-optimization/51987
3705         * tree-data-ref.c (get_references_in_stmt): Handle references in
3706         non-volatile GIMPLE_ASM.
3707
3708 2012-01-25  Richard Guenther  <rguenther@suse.de>
3709
3710         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3711         bases are dereferenced.
3712
3713 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3714
3715         PR rtl-optimization/48374
3716         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3717
3718 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3719
3720         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3721         compute_data_dependences_for_loop returns false.
3722         * tree-parloops.c (loop_parallel_p): Likewise.
3723
3724 2012-01-25  Richard Guenther  <rguenther@suse.de>
3725
3726         * tree.h (get_pointer_alignment_1): Declare.
3727         * builtins.c (get_pointer_alignment_1): New function.
3728         (get_pointer_alignment): Use it.
3729
3730 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3731
3732         PR rtl-optimization/48308
3733         * combine.c (enum undo_kind): Add UNDO_LINKS.
3734         (struct undo): Add member l to other_contents and where.
3735         (do_SUBST_LINK): New.
3736         (SUBST_LINK): New.
3737         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3738         (undo_all): Handle UNDO_LINKS.
3739
3740 2012-01-25  Richard Henderson  <rth@redhat.com>
3741
3742         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3743         mem inputs.
3744
3745 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3746
3747         * optabs.c (gen_atomic_test_and_set): Use each argument.
3748
3749 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3750
3751         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3752         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3753         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3754         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3755         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3756         TARGET_PAIRED_SINGLE_FLOAT.
3757
3758 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3759
3760         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3761         (in_struct, return_val): Remove MEM documentation.
3762         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3763         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3764         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3765         and MEM_SCALAR.
3766         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3767         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3768         * expr.c (store_field): Likewise.
3769         * function.c (assign_stack_temp_for_type): Likewise.
3770         * ifcvt.c (noce_try_cmove_arith): Likewise.
3771         * reload1.c (reload): Likewise.
3772         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3773         (alpha_set_memflags): Likewise.
3774         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3775
3776 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3777
3778         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3779         parameter.
3780         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3781         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3782         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3783         varies parameter.
3784         * cselib.c (cselib_rtx_varies_p): Delete.
3785         (cselib_invalidate_mem): Update call to canon_true_dependence.
3786         * dse.c (record_store, check_mem_read_rtx): Likewise.
3787         (scan_reads_nospill): Likewise.
3788         * cse.c (check_dependence): Likewise.
3789         (cse_rtx_varies_p): Delete.
3790         * expr.c (safe_from_p): Update call to true_dependence.
3791         * ira.c (validate_equiv_mem_from_store): Likewise.
3792         (memref_referenced_p): Likewise.
3793         * postreload-gcse.c (find_mem_conflicts): Likewise.
3794         * sched-deps.c (sched_analyze_2): Likewise.
3795         * store-motion.c (load_kills_store): Likewise.
3796         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3797         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3798         (compute_transp): Update call to canon_true_dependence.
3799
3800 2012-01-25  Richard Henderson  <rth@redhat.com>
3801
3802         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3803         (maybe_emit_atomic_test_and_set): New.
3804         (expand_sync_lock_test_and_set): Use it.
3805         (expand_atomic_test_and_set): Likewise.
3806         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3807         the implementation; clarify implementation defined details.
3808         * doc/md.texi (atomic_test_and_set): Document.
3809
3810 2012-01-25  Richard Henderson  <rth@redhat.com>
3811
3812         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3813
3814 2012-01-25  Richard Henderson  <rth@redhat.com>
3815
3816         PR target/51968
3817         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3818         to effect no-op split.
3819
3820 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3821
3822         PR lto/51698
3823         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3824         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3825         (BT_FN_VOID_PTR_INT_SIZE): New.
3826         (BT_FN_UINT_UINT_VAR): Remove.
3827         (BT_FN_UINT32_UINT32_VAR): New.
3828         (BT_FN_DOUBLE_VPTR): Remove.
3829         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3830
3831         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3832         (_ITM_changeTransactionMode): Same.
3833         (_ITM_memmoveRtWt): Change return type to void.
3834         (_ITM_memcpyRtWt): Same.
3835         (_ITM_memsetW): Same.
3836         (_ITM_RaRD): Change types to double.
3837         (_ITM_RD): Same.
3838         (_ITM_RaWD): Same.
3839         (_ITM_RfWD): Same.
3840
3841         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3842
3843 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3844             Patrick Marlier  <patrick.marlier@gmail.com>
3845
3846         * trans-mem.c (requires_barrier): Do not instrument thread local
3847         variables and emit save/restore for them.
3848
3849 2012-01-24  Jason Merrill  <jason@redhat.com>
3850
3851         PR c++/51812
3852         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
3853         output static aliases.
3854
3855 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3856
3857         PR driver/47249
3858         * common.opt (-pie, -shared, pie, shared): Change from Common to
3859         Driver.
3860         * gcc.c (display_help): Display help for -pie and -shared.
3861
3862 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
3863
3864         PR target/49868
3865         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
3866         Remove note on size/offset limitation.
3867         (AVR Variable Attributes): Add example how to read data located
3868         with progmem.  Refer to named address spaces.
3869         * doc/invoke.texi (AVR Options): Fix typo.
3870
3871 2012-01-24  Richard Guenther  <rguenther@suse.de>
3872
3873         Forward-port to trunk
3874         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
3875
3876         PR middle-end/45678
3877         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
3878         op0 isn't sufficiently aligned and there is movmisalignM
3879         insn for mode, use it to load op0 into a temporary register.
3880
3881 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
3882
3883         PR target/51957
3884         * target.def (const_not_ok_for_debug_p): New hook.
3885         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
3886         documentation.
3887         * doc/tm.texi: Regenerated.
3888         * dwarf2out.c (const_ok_for_output_1): If
3889         targetm.const_not_ok_for_debug_p returns true, fail.
3890         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
3891         function.
3892         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
3893
3894 2012-01-23  Kai Tietz  <ktietz@redhat.com>
3895
3896         PR target/51900
3897         * config/i386/predicates.md (symbolic_operand): Allow
3898         UNSPEC_PCREL as PIC expression for lea.
3899         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
3900         * config/i386/i386.c (ix86_delegitimize_address): Handle
3901         UNSPEC_PCREL for none-MEM, too.
3902
3903 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3904
3905         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
3906         (ipa_tm_create_version_alias): Same.
3907
3908 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
3909
3910         PR libitm/51830
3911         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
3912         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
3913
3914 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
3915             Patrick Marlier  <patrick.marlier@gmail.com>
3916             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
3917
3918         PR lto/51916
3919         * lto-wrapper.c (run_gcc): Pass the LTO section name to
3920         simple_object_start_read.
3921
3922 2012-01-23  Richard Guenther  <rguenther@suse.de>
3923
3924
3925         PR tree-optimization/51895
3926         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
3927         parameter decomposition into BLKmode components.
3928
3929 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
3930
3931         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
3932         fake variables for restrict-qualified pointers whose pointed-to type
3933         contains a placeholder.
3934
3935 2012-01-23  Richard Guenther  <rguenther@suse.de>
3936
3937         PR tree-optimization/51949
3938         * ipa-split.c (execute_split_functions): Do not split malloc functions.
3939
3940 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
3941
3942         PR rtl-optimization/51933
3943         * ree.c (transform_ifelse): Return true right away if dstreg is
3944         already wider or equal to cand->mode.
3945         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
3946         (make_defs_and_copies_lists): Remove defs_list and copies_list
3947         arguments, add state argument, just truncate state->work_list
3948         instead of always allocating and freeing the vector.  Assert that
3949         get_defs succeeds instead of returning 2.  Changed return type to bool.
3950         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
3951         have ext_src_mode, see if it has been modified already with the
3952         right kind of extension and has been extended before from the
3953         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
3954         just return true.  Remember the original mode in state->modified array.
3955         (combine_reaching_defs): Add state argument.  Don't allocate and
3956         free here def_list, copied_list and vec vectors, instead just
3957         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
3958         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
3959         Add state variable, clear vectors in it, initialize state.modified
3960         if needed.  Free all the vectors at the end and state.modified too.
3961         Don't skip a candidate if the extension expression has been modified.
3962
3963 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
3964
3965         PR target/47096
3966         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
3967          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
3968         (extra_options) interix.opt -> i386/interix.opt"
3969         (extra_objs):Add winnt-stubs.o
3970         * configure.ac: Add interix to target_os .comm on PE check.
3971         * configure: Regenerate.
3972         * config/interix3.h: Delete and move bits to..
3973         * config/interix.h: Delete and move bits to..
3974         * config/i386/i386-interix3.h: Delete and move bits to..
3975         * config/i386/i386-interix.h: ..here.
3976         (TARGET_CPU_DEFAULT): Remove redefinition.
3977         (TARGET_ASM_CONSTRUCTOR): Undefine.
3978         (SUBTARGET_SWITCHES): Define for ms-bitfields.
3979         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
3980         (PTRDIFF_TYPE): Define.
3981         (LONG_DOUBLE_TYPE_SIZE): Define.
3982         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
3983         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
3984         (TARGET_SECTION_TYPE_FLAGS): Define.
3985         (ASM_DECLARE_FUNCTION_NAME): Define.
3986         (ASM_OUTPUT_EXTERNAL): Define.
3987         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
3988         (ASM_OUTPUT_ALIGNED_BSS): Define.
3989         (PCC_BITFIELD_TYPE_MATTERS): Define.
3990         (USE_CONST_SECTION): Define.
3991         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
3992         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
3993         (SUPPORTS_ONE_ONLY): Remove.
3994         (I386_PE_STRIP_ENCODING): Define.
3995         * config/interix.opt: Delete and move bits to..
3996         * config/i386/interix.opt: ..here. New.
3997         (mpe-aligned-commons): Add.
3998         * config/i386/t-interix: Add copyright header.
3999         (winnt-stubs.o): Add rule.
4000
4001 2012-01-22  Jason Merrill  <jason@redhat.com>
4002
4003         PR c++/51832
4004         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4005         for extra name aliases.
4006
4007 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4008
4009         PR rtl-optimization/51924
4010         * ree.c (combine_set_extension): Improve debugging message.
4011         (combine_reaching_defs): Likewise.
4012         (get_defs): Rename confusingly named variable.
4013         (find_and_remove_re): Skip a candidate if the extension expression has
4014         been modified.
4015
4016 2012-01-21  Robert Millan  <rmh@gnu.org>
4017             Gerald Pfeifer  <gerald@pfeifer.com>
4018
4019         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4020         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4021
4022 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4023
4024         PR tree-optimization/51914
4025         * tree-vect-stmts.c (vectorizable_conversion): For
4026         cvt_type && modifier == WIDEN, put temporary with cvt_type
4027         at the beginning of vec_dsts and set vec_dest to temporary
4028         with vectype_out.
4029
4030 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4031
4032         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4033
4034 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4035
4036         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4037         * config/rs6000/rs6000.c: Likewise.
4038
4039 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4040
4041         PR target/51915
4042         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4043         output_move_double on a copy of operands array.
4044
4045 2012-01-20  Cary Coutant  <ccoutant@google.com>
4046             Dodji Seketeli  <dodji@redhat.com>
4047
4048         PR debug/45682
4049         * dwarf2out.c (copy_declaration_context): Return ref to parent
4050         of declaration DIE, if necessary.
4051         (remove_child_or_replace_with_skeleton): Add new parameter; update
4052         caller.  Place skeleton DIE under parent DIE of original declaration.
4053         Move call to copy_declaration_context to here ...
4054         (break_out_comdat_types): ... from here.
4055
4056 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4057
4058         PR rtl-optimization/51856
4059         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4060         flag to reloaded.
4061
4062 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4063
4064         PR target/51819
4065         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4066         hints for neon loads and stores.
4067
4068 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4069
4070         PR target/49868
4071         PR target/50887
4072         * doc/extend.texi (Named Address Spaces): Split into subsections.
4073         (AVR Named Address Spaces): New subsection.
4074         (M32C Named Address Spaces): New subsection.
4075         (RL78 Named Address Spaces): New subsection.
4076         (SPU Named Address Spaces): New subsection.
4077         (Variable Attributes): New anchor "AVR Variable Attributes".
4078         (AVR Variable Attributes): Rewrite and avoid wording
4079         "address space" in this context.
4080         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4081         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4082         (AVR Built-in Macros): New subsubsection therein.
4083         * doc/md.texi (AVR constraints): Remove "C04", "R".
4084
4085 2012-01-20  Richard Guenther  <rguenther@suse.de>
4086
4087         PR tree-optimization/51903
4088         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4089         when removing stmts.
4090
4091 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4092
4093         PR target/50313
4094         * config/arm/arm.c (arm_load_pic_register): Use
4095         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4096         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4097         (arm_pic_static_addr): Likewise.
4098         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4099         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4100         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4101         (pic_load_addr_unified): New.
4102
4103 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4104
4105         PR target/51106
4106         * function.c (instantiate_virtual_regs_in_insn): Use
4107         delete_insn_and_edges when removing a wrong asm insn.
4108
4109 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4110
4111         PR rtl-optimization/40761
4112         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4113         Add new member loop_num.
4114         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4115         (ira_build): Remove the parameter.
4116
4117         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4118         (ira.c): Do not build CFG loops for one region allocation.  Remove
4119         argument from ira_build call.
4120
4121         * ira-build.c (init_loop_tree_node): New function.
4122         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4123         loops are not built.
4124         (more_one_region_p): Check current_loops.
4125         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4126         built.
4127         (add_loop_to_tree): Process loop equal to NULL too.
4128         (form_loop_tree): Separate the case when CFG loops are not built.
4129         Use explicitly number for the root.
4130         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4131         an assertion.
4132         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4133         instead of loop->num.
4134         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4135         (mark_all_loops_for_removal): Ditto.
4136         (remove_unnecessary_regions): Separate the case when CFG loops
4137         are not built.
4138         (ira_build): Remove the parameter.  Use explicit number of regions
4139         when CFG loops are not built.
4140
4141         * ira-color.c (print_loop_title): Separate the case for the root node.
4142         Use loop_num instead of loop->num.
4143         (move_spill_restore): Use loop_num instead of loop->num.
4144
4145         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4146         (change_loop): Ditto.
4147         (change_loop): Use loop_num instead of loop->num.
4148
4149         * ira-lives.c (process_bb_node_lives): Ditto.
4150
4151         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4152
4153         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4154
4155 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4156
4157         PR libmudflap/40778
4158         * tree-mudflap.c (mf_artificial): New function.
4159         (execute_mudflap_function_ops, execute_mudflap_function_decls,
4160         mx_register_decls, mudflap_enqueue_decl): Use it.
4161
4162         PR target/51876
4163         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4164         numbers in the insn pattern.
4165
4166 2012-01-19  Michael Matz  <matz@suse.de>
4167
4168         PR tree-optimization/46590
4169         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4170         use it in remembering which conflicts we already created.
4171         (add_scope_conflicts): Adjust call to above, (de)allocate helper
4172         bitmap.
4173
4174 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
4175
4176         PR lto/51280
4177         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4178         (merge_and_complain): Same.
4179
4180 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4181
4182         PR bootstrap/50237
4183         * config/initfini-array.h: Guard content of the header
4184         with #ifdef HAVE_INITFINI_ARRAY.
4185         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4186         Add initfini-array.h to tm_file here.
4187         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4188         * config.gcc: Don't add initfini-array.h to tm_file here.
4189         * configure: Regenerated.
4190
4191 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
4192
4193         PR rtl-optimization/51505
4194         * df-problems.c (df_kill_notes): New parameter live. Update comment.
4195         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4196         (df_note_bb_compute): Update the call to df_kill_notes.
4197
4198 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
4199
4200         * trans-mem.c (requires_barrier): Remove call to is_global_var.
4201
4202 2012-01-18  Richard Guenther  <rguenther@suse.de>
4203
4204         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4205         of conversions to void *.
4206
4207 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4208             Richard Sandiford  <rdsandiford@googlemail.com>
4209
4210         PR middle-end/50325
4211         PR middle-end/51192
4212         * optabs.h (simplify_expand_binop): Declare.
4213         * optabs.c (simplify_expand_binop): Make global.
4214         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4215         endian targets if the source cannot be exactly covered by word
4216         mode chunks.
4217
4218 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4219
4220         PR bootstrap/51872
4221         * hard-reg-set.h (struct hard_reg_set_container): New type.
4222         * target.h (struct hard_reg_set_container): Forward declare.
4223         * target.def (set_up_by_prologue): New target hook.
4224         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4225         * doc/tm.texi: Regenerated.
4226         * function.c (thread_prologue_and_epilogue_insns): Change
4227         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4228         Call targetm.set_up_by_prologue on it.
4229         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4230         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4231
4232 2012-01-17  Nick Clifton  <nickc@redhat.com>
4233
4234         * config/rx/rx.c (rx_can_use_simple_return): New function.
4235         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4236         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4237
4238 2012-01-17  Richard Guenther  <rguenther@suse.de>
4239
4240         PR middle-end/51782
4241         * expr.c (expand_assignment): Take address-space information
4242         from the address operand of MEM_REF and TARGET_MEM_REF.
4243         (expand_expr_real_1): Likewise.
4244
4245 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4246
4247         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4248         reload dump is requested.
4249
4250 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4251
4252         PR other/51165
4253         * trans-mem.c (requires_barrier): Call may_be_aliased.
4254
4255 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4256
4257         PR tree-optimization/51877
4258         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4259         call arguments and fndecls compare equal, instead return false if they
4260         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4261         both SSA_NAMEs that are valueized the same, or they satisfy
4262         operand_equal_p.
4263
4264 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4265
4266         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4267         Solaris 11+.
4268         * configure: Regenerate.
4269
4270 2012-01-16  Jan Hubicka  <jh@suse.cz>
4271
4272         PR c/12245
4273         PR c++/14179
4274         * convert.c (convert_to_integer): Use fold_convert for
4275         converting an INTEGER_CST to integer type.
4276
4277 2012-01-16  Jason Merrill  <jason@redhat.com>
4278
4279         PR c++/14179
4280         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4281
4282 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4283
4284         PR bootstrap/51860
4285         * config/s390/s390.c (s390_chunkify_start): Don't skip
4286         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4287         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4288         If insn is followed by NOTE_INSN_VAR_LOCATION or
4289         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4290         Don't use location of note insns.
4291
4292         PR tree-optimization/51865
4293         * tree-inline.c (tree_function_versioning): Call remap_decl
4294         on DECL_RESULT whenever it has VOID_TYPE_P type.
4295
4296 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4297
4298         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4299         for calls to locally-binding MIPS16 functions if only the return
4300         type uses float regs.
4301
4302 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4303             Richard Sandiford  <rdsandiford@googlemail.com>
4304
4305         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4306         (SYMBOL_32_HIGH): Likewise.
4307         (mips_output_tls_reloc_directive): Declare.
4308         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4309         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4310         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4311         (mips_lo_relocs, mips_hi_relocs): Make extern.
4312         (mips16_stub_function): Move up file.
4313         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4314         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4315         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4316         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4317         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4318         (mips_get_tp): Add MIPS16 support.
4319         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4320         Generalize DTPREL and TPREL handling.
4321         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4322         Add MIPS16 TLS support.
4323         (mips_output_tls_reloc_directive): New function.
4324         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4325         * config/mips/predicates.md (symbolic_operand_with_high)
4326         (tls_reloc_operand): New predicates.
4327         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4328         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4329         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4330         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4331         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4332         (*tls_get_tp_mips16_call_<mode>): Likewise.
4333
4334 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4335
4336         PR rtl-optimization/51821
4337         * recog.c (peep2_find_free_register): Determine clobbered registers
4338         from insn pattern.
4339
4340 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4341
4342         PR target/50925
4343         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4344         * config/avr/avr.c: Likewise.
4345         * config/avr/avr.h: Likewise.
4346
4347 2012-01-13  Ian Lance Taylor  <iant@google.com>
4348
4349         PR c++/50012
4350         * tree.h (TYPE_QUALS): Add cast to int.
4351         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4352
4353 2012-01-13  Ian Lance Taylor  <iant@google.com>
4354
4355         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4356         comparing param_index to VEC_length result.
4357
4358 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4359
4360         * c-decl.c: Do not include tree-mudflap.h
4361         * tree-optimize.c: Likewise.
4362         * Makefile.in: Update dependencies.
4363
4364 2012-01-13  Richard Guenther  <rguenther@suse.de>
4365
4366         PR middle-end/8081
4367         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4368         variable-sized result always use RSO.
4369
4370 2012-01-12  DJ Delorie  <dj@redhat.com>
4371
4372         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4373         pointer type, not just the default pointer type.
4374
4375 2012-01-09  Richard Henderson  <rth@redhat.com>
4376             Denis Chertykov  <chertykov@gmail.com>
4377
4378         PR target/50925
4379         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4380         * config/avr/avr.c (avr_can_eliminate): Simplify.
4381         (avr_initial_elimination_offset): Likewise.
4382         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4383         (expand_epilogue): Likewise.
4384         (avr_legitimize_address): Gut.
4385         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4386         (avr_hard_regno_nregs): New.
4387         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4388         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4389         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4390         add soft frame pointer.
4391         (CALL_USED_REGISTERS): Likewise.
4392         (REG_CLASS_CONTENTS): Likewise.
4393         (REGISTER_NAMES): Likewise.
4394         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4395         (HARD_FRAME_POINTER_REGNUM): New.
4396         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4397         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4398         remove the HARD_FRAME_POINTER self-elimination.
4399
4400 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4401
4402         PR target/51756
4403         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4404         DECL_EXTERNAL when checking for initializers of progmem variables.
4405
4406 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4407
4408         PR tree-optimization/51799
4409         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4410         that the last operation is a type demotion.
4411
4412 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4413
4414         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4415         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4416
4417 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4418
4419         PR bootstrap/51796
4420         * combine.c (distribute_notes): If i3 is a noreturn call,
4421         allow old_size to be equal to args_size and make sure the
4422         noreturn call gets REG_ARGS_SIZE note.
4423         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4424         on noreturn calls even when the delta is 0.
4425
4426 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4427
4428         * gcov.c (STRING_SIZE): Remove.
4429         (generate_results): Erase annotations for source files with no
4430         coverage information.
4431         (read_line): New.
4432         (output_lines): Use it.
4433
4434 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4435
4436         * gimple.h (gimplify_body): Remove first argument.
4437         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4438         pointer set here, instead just pass DATA to walk_tree.
4439         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4440         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4441         (unvisit_body): Likewise, but with unmark_visited.
4442         (gimplify_body): Remove BODY_P argument and adjust.
4443         (gimplify_function_tree): Adjust call to gimplify_body.
4444         * omp-low.c (finalize_task_copyfn): Likewise.
4445
4446 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4447
4448         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4449         (build_function_type_skip_args): Delete.
4450         * tree.c (build_function_type_skip_args): Make static and add
4451         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4452         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4453         pass it to build_function_type_skip_args.
4454         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4455         (tree_function_versioning): Likewise.
4456         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4457         build_function_decl_skip_args.
4458         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4459         and pass it to build_function_decl_skip_args/tree_function_versioning.
4460         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4461         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4462         * trans-mem.c (ipa_tm_create_version): Likewise.
4463         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4464         * tree-inline.c (declare_return_variable): Remove always-true test.
4465         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4466         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4467         * ipa-split.c (split_function): Skip the return value for the split
4468         part if it doesn't return.
4469
4470 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4471
4472         PR tree-optimization/49642
4473         * ipa-split.c (forbidden_dominators): New variable.
4474         (check_forbidden_calls): New function.
4475         (dominated_by_forbidden): Likewise.
4476         (consider_split): Check for forbidden dominators.
4477         (execute_split_functions): Initialize and free forbidden
4478         dominators info; call check_forbidden_calls.
4479
4480 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4481
4482         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4483
4484 2012-01-11  Nick Clifton  <nickc@redhat.com>
4485
4486         * config/rx/rx.md (return): Define pattern.
4487
4488 2012-01-11  Richard Guenther  <rguenther@suse.de>
4489
4490         * doc/extend.texi (malloc attribute): Adjust according to
4491         implementation.
4492
4493 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4494             Patrick Marlier  <patrick.marlier@gmail.com>
4495
4496         PR middle-end/51516
4497         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4498         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4499         (ipa_tm_note_irrevocable): Same.
4500         (ipa_tm_scan_irr_block): Same.
4501         (ipa_tm_decrement_clone_counts): Same.
4502         (ipa_tm_scan_irr_function): Same.
4503         (ipa_tm_create_version_alias): Same.
4504         (ipa_tm_create_version): Same.
4505         (ipa_tm_transform_calls_redirect): Same.
4506         (ipa_tm_transform_calls): Same.
4507         (ipa_tm_transform_transaction): Same.
4508         (ipa_tm_execute): Same.
4509
4510 2012-01-10  Richard Guenther  <rguenther@suse.de>
4511
4512         PR middle-end/51806
4513         * opts.c (common_handle_option): Handle -Werror.
4514
4515 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4516
4517         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4518         operand number.
4519
4520 2012-01-10  Jason Merrill  <jason@redhat.com>
4521
4522         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4523         information.
4524
4525 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4526
4527         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4528         supports R_386_TLS_GD_PLT reloc.
4529         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4530         supports R_386_TLS_LDM_PLT reloc.
4531         * configure: Regenerate.
4532         * config.in: Regenerate.
4533
4534 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4535
4536         PR target/49868
4537         Extend __pgmx semantics to linearize memory.
4538         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4539         determine if code comes inline or from libgcc.
4540         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4541         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4542         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4543         (movmemx_qi, movmemx_hi): New insns.
4544         (xload_<mode>_libgcc): Rewrite to new insn condition.
4545         (xload_<mode>): Remove insns.
4546         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4547         cases that don't satisfy avr_xload_libgcc_p().
4548         (avr_addr_space_convert): Allow converting in any direction.
4549         (avr_addr_space_subset_p): Return always true.
4550         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4551         (avr_emit_movmemhi): Ditto.
4552         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4553         (avr_out_movmem): Ditto.
4554         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4555         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4556         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4557         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4558         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4559
4560 2012-01-10  Richard Guenther  <rguenther@suse.de>
4561
4562         PR tree-optimization/50913
4563         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4564         Require data-refs to be representable by Graphite with respect
4565         to any loop nest.
4566
4567 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4568
4569         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4570         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4571
4572 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4573
4574         PR rtl-optimization/51271
4575         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4576         handling annulled branch.
4577
4578 2012-01-10  Richard Henderson  <rth@redhat.com>
4579
4580         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4581         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4582         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4583         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4584         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4585         arm_expand_vec_perm_const): New.
4586         * config/arm/arm-protos.h: Update.
4587         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4588         (*neon_vswp<VDQX>): New.
4589         (neon_vcombine<VDX>): Use neon_split_vcombine.
4590         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4591         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4592         (vec_perm<VE>): New.
4593
4594 2012-01-10  Richard Henderson  <rth@redhat.com>
4595
4596         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4597         use it if reload_completed.
4598         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4599         arm_output_asm_insn, arm_process_output_memory_barrier,
4600         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4601         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4602         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4603         arm_process_output_sync_insn, arm_output_sync_insn,
4604         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4605         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4606         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4607         (emit_unlikely_jump): New.
4608         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4609         (arm_split_atomic_op): New.
4610         * config/arm/arm-protos.h: Update.
4611         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4612         (struct arm_sync_generator): Remove.
4613         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4614         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4615         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4616         (VUNSPEC_LL, VUNSPEC_SC): New.
4617         (sync_result, sync_memory, sync_required_value, sync_new_value,
4618         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4619         (attr length): Don't use arm_sync_loop_insns.
4620         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4621         (movsfcc, movdfcc): Likewise.
4622         * config/arm/constraints.md (Ua): New.
4623         * config/arm/prediates.md (mem_noofs_operand): New.
4624         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4625         (sync_clobber, sync_t2_reqd): Remove.
4626         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4627         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4628         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4629         (arm_sync_compare_and_swap<SIDI>): Remove.
4630         (arm_sync_compare_and_swap<NARROW>): Remove.
4631         (arm_sync_lock_test_and_set<SIDI>): Remove.
4632         (arm_sync_lock_test_and_set<NARROW>): Remove.
4633         (arm_sync_new_<syncop><SIDI>): Remove.
4634         (arm_sync_new_<syncop><NARROW>): Remove.
4635         (arm_sync_new_nand<SIDI>): Remove.
4636         (arm_sync_new_nand<NARROW>): Remove.
4637         (arm_sync_old_<syncop><SIDI>): Remove.
4638         (arm_sync_old_<syncop><NARROW>): Remove.
4639         (arm_sync_old_nand<SIDI>): Remove.
4640         (arm_sync_old_nand<NARROW>): Remove.
4641         (*memory_barrier): Merge arm_output_memory_barrier.
4642         (atomic_compare_and_swap<QHSD>): New.
4643         (atomic_compare_and_swap<NARROW>_1): New.
4644         (atomic_compare_and_swap<SIDI>_1): New.
4645         (atomic_exchange<QHSD>): New.
4646         (cas_cmp_operand, cas_cmp_str): New.
4647         (atomic_op_operand, atomic_op_str): New.
4648         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4649         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4650         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4651         (arm_load_exclusive<NARROW>): New.
4652         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4653         (arm_store_exclusive<QHSD>): New.
4654
4655 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4656
4657         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4658         reload patterns if -mvsx-scalar-memory.
4659
4660         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4661         generated, even -mno-vsx-scalar-double was used.
4662         (vsx_xscvdpsp_scalar): Likewise.
4663         (vsx_xscvspdp_scalar2): Likewise.
4664
4665 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4666             Andrew Pinski  <apinski@cavium.com>
4667
4668         PR debug/51471
4669         * reorg.c (fill_slots_from_thread): Don't speculate
4670         frame-related insns.
4671
4672 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4673
4674         * sched-int.h (bb_note): Move to...
4675         * basic-block.h: ...here.
4676         * haifa-sched.c (bb_note): Move to...
4677         * cfgrtl.c: ...here.
4678         * function.c (next_block_for_reg): New function.
4679         (move_insn_for_shrink_wrap): Likewise.
4680         (prepare_shrink_wrap): Rewrite to use the above.
4681
4682 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4683
4684         * gimple.c (is_gimple_non_addressable): Remove.
4685         * gimple.h: Remove is_gimple_non_addressable.
4686         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4687         is_gimple_non_addressable.
4688         * trans-mem.c (expand_assign_tm): Same.
4689
4690 2012-01-09  Richard Guenther  <rguenther@suse.de>
4691
4692         PR tree-optimization/51775
4693         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4694         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4695
4696 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4697
4698         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4699         tuning parameters.
4700         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4701
4702 2012-01-09  Richard Guenther  <rguenther@suse.de>
4703
4704         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4705
4706 2012-01-08  Jan Hubicka  <jh@suse.cz>
4707
4708         PR tree-optimize/51680
4709         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4710         on when known_vals needs to be computed; cleanup.
4711
4712 2012-01-08  Jan Hubicka  <jh@suse.cz>
4713
4714         PR tree-optimize/51694
4715         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4716
4717 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4718
4719         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4720         for -std=c++98 and -std=c++11 too.
4721
4722 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4723
4724         * cfgloop.c (cancel_loop): Add free() of bbs array.
4725
4726 2012-01-07  Jan Hubicka  <jh@suse.cz>
4727
4728         PR tree-optimization/51600
4729         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4730         that benefits small functions.
4731
4732 2012-01-07  Jan Hubicka  <jh@suse.cz>
4733
4734         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4735
4736 2012-01-07  Jan Hubicka  <jh@suse.cz>
4737
4738         PR tree-optimization/51680
4739         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4740         whose inlining reduce unit size.
4741
4742 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4743
4744         PR bootstrap/51725
4745         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4746         Add canonical node to containing_mem chain after the non-canonical
4747         one, even if there weren't any locs to propagate.
4748         (remove_useless_values): Keep only canonical values.
4749         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4750         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4751         canonicalize mem_chain elements that are not discarded.
4752
4753 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4754
4755         PR target/47333
4756         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4757         before emitting functions.
4758
4759         PR gcov-profile/50127
4760         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4761         clear_aux_for_blocks.
4762
4763 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4764
4765         PR debug/51746
4766         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4767
4768 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4769
4770         * c-decl.c (ext_block): Moved up.
4771         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4772
4773 2012-01-06  Han Shen  <shenhan@google.com>
4774
4775         Translate built-in include paths for sysroot.
4776         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4777         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4778
4779         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4780         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4781
4782         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4783         control whether sysroot should be prepended to gxx include dir.
4784
4785         * configure: Regenerate.
4786
4787 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4788
4789         PR rtl-optimization/51771
4790         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4791         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4792
4793 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4794
4795         PR tree-optimization/51315
4796         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4797         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4798
4799 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4800
4801         PR target/51681
4802         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4803         for shrp pattern.  Correctly handle and fixup shift variable.
4804         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4805
4806 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4807
4808         PR debug/51762
4809         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4810         note when !ACCUMULATE_OUTGOING_ARGS.
4811
4812 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4813
4814         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4815         condition.
4816         (extract_range_from_unary_expr_1): Avoid useless computations.
4817
4818 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4819
4820         PR rtl-optimization/51767
4821         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4822         of jump_block and add an extra edge for degenerated asm gotos.
4823
4824         PR middle-end/51768
4825         * stmt.c (check_unique_operand_names): Don't ICE during error
4826         reporting if i is from labels chain.
4827
4828         PR middle-end/44777
4829         * profile.c (branch_prob): Split bbs that have exit edge
4830         and need a fake entry edge too.
4831
4832 2012-01-05  Jan Hubicka  <jh@suse.cz>
4833
4834         PR middle-end/49710
4835         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4836         unlooping loops.
4837
4838 2012-01-05  Richard Guenther  <rguenther@suse.de>
4839
4840         PR lto/50490
4841         * tree-streamer-out.c (write_ts_optimization): New function.
4842         (streamer_write_tree_body): Call it.
4843         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4844         (streamer_read_tree_body): Call it.
4845         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4846
4847 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4848
4849         PR middle-end/51761
4850         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4851         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4852         in_cleanup_point_expr before gimplify_stmt call and restore it
4853         afterwards.
4854         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
4855         in_cleanup_point_expr is false.
4856
4857 2012-01-05  Richard Guenther  <rguenther@suse.de>
4858
4859         PR middle-end/51764
4860         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
4861         to c.opt.
4862         * toplev.c (process_options): Reject combining mudflap and LTO.
4863         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
4864
4865 2012-01-05  Richard Guenther  <rguenther@suse.de>
4866
4867         PR tree-optimization/51760
4868         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
4869         not VARYING.
4870         (bit_value_unop): Handle UNDEFINED operands.
4871         (bit_value_binop): Likewise.
4872
4873 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
4874
4875         * config/avr/avr.c (avr_replace_prefix): Remove.
4876         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
4877         (avr_asm_function_rodata_section): Ditto.
4878         (avr_asm_select_section): Ditto.
4879
4880 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
4881
4882         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
4883         insertion.
4884
4885 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4886
4887         PR bootstrap/51648
4888         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
4889         calls that have any non-fake successor edges.
4890
4891         PR debug/51746
4892         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
4893
4894 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4895
4896         PR tree-optimization/51624
4897         * tree-sra.c (build_ref_for_model): When replicating a chain of
4898         COMPONENT_REFs, stop as soon as the offset would become negative.
4899
4900 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
4901
4902         PR debug/51695
4903         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
4904         in .debug_loc on the floor.
4905
4906 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4907
4908         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
4909
4910 2012-01-04  Andrew Pinski  <apinski@cavium.com>
4911             Adam Nemet  <anemet@caviumnetworks.com>
4912
4913         * config/mips/mips.md (size): Add SI and DI.
4914         (SIZE): New mode attribute.
4915         (U): New code attribute.
4916         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
4917         (mips_lbux_<mode>): Delete.
4918         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
4919         (mips_lhx): Use gen_mips_lhx_extsi.
4920         (mips_lhx_<mode>): Delete.
4921         (mips_lwx): Delete.
4922         (mips_l<size>x): New expand.
4923         (mips_lwx_<mode>): Delete.
4924         (mips_l<GPR:size>x_<P:mode>): New pattern.
4925         (*mips_lw<u>x_<P:mode>_ext): Likewise.
4926         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
4927         * config/mips/mips.c (mips_lx_address_p): New function.
4928         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
4929         (dsp64): New availability predicate.
4930         (mips_builtins): Add an entry for __builtin_mips_ldx.
4931         * config/mips/mips.h (ISA_HAS_LBX): New define.
4932         (ISA_HAS_LBUX): Likewise.
4933         (ISA_HAS_LHX): Likewise.
4934         (ISA_HAS_LHUX): Likewise.
4935         (ISA_HAS_LWX): Likewise.
4936         (ISA_HAS_LWUX): Likewise.
4937         (ISA_HAS_LDX): Likewise.
4938         * doc/extend.texi (__builtin_mips_ldx): Document.
4939
4940 2012-01-04  Tristan Gingold  <gingold@adacore.com>
4941
4942         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
4943         when long pointers are used.
4944         * config.build (*-*-*vms*): Handle all OpenVMS targets.
4945         (alpha64-dec-*vms*, alpha*-dec-*vms*)
4946         (ia64-hp-*vms*): Remove.
4947         * config/vms/xm-vms64.h: Delete.
4948
4949 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4950
4951         PR middle-end/51472
4952         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
4953
4954 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4955
4956         * opts.c (finish_options): Remove duplicate sorry.
4957
4958 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
4959
4960         PR middle-end/51696
4961         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
4962         correctly.
4963
4964 2012-01-04  Richard Guenther  <rguenther@suse.de>
4965
4966         PR middle-end/51750
4967         * tree.c (size_low_cst): New function.
4968         * tree.h (size_low_cst): Declare.
4969         * fold-const.c (fold_comparison): Use it to extract the low
4970         part of the POINTER_PLUS_EXPR offset.
4971
4972 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
4973
4974         Fix clearing ZERO_REG
4975         * config/avr/avr.md (cc): Add alternative "ldi".
4976         (movqi_insn): Use it in cc attribute.
4977         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
4978         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
4979         (output_reload_insisf): Use ZERO_REG to pre-clear register.
4980
4981 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4982
4983         * configure: Regenerate.
4984
4985 2012-01-04  Richard Guenther  <rguenther@suse.de>
4986
4987         PR tree-optimization/49651
4988         * tree-ssa-structalias.c (type_can_have_subvars): New function.
4989         (var_can_have_subvars): Use it.
4990         (get_constraint_for_1): Only consider subfields if there can be any.
4991
4992 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
4993
4994         PR bootstrap/51725
4995         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
4996         to its new canonical_cselib_val and the cselib_val was in
4997         first_containing_mem chain, but the canonical_cselib_val was not,
4998         add the latter into the chain.
4999         (cselib_invalidate_mem): Compare canonical_cselib_val of
5000         addr_list chain elt with v.
5001
5002         PR pch/51722
5003         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5004         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5005         of xstrdup.
5006         (output_macinfo_op): Don't ggc_strdup fd->filename.
5007         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5008         then ggc_strdup it.  Don't free inc->info or cur->info.
5009         (output_macinfo): Don't free ref->info or file->info.
5010
5011 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5012
5013         PR tree-optimization/51269
5014         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5015         first_niters a pointer.
5016         (slpeel_tree_peel_loop_to_edge): Likewise.
5017         (vect_do_peeling_for_loop_bound): Update call to
5018         slpeel_tree_peel_loop_to_edge.
5019         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5020         here.  Remove it from the parameters list.
5021         (vect_do_peeling_for_alignment): Update calls and compute
5022         wide_prolog_niters.
5023
5024 2012-01-03  Richard Guenther  <rguenther@suse.de>
5025
5026         PR tree-optimization/51070
5027         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5028         Properly handle calls.
5029
5030 2012-01-03  Richard Guenther  <rguenther@suse.de>
5031
5032         PR tree-optimization/51692
5033         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5034         the LHS of allocation stmts.
5035
5036 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5037
5038         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5039
5040 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5041
5042         * collect2.c (main): In AIX specific computations for vector
5043         insertions, use CONST_CAST2 to cast from char ** to const char **.
5044
5045 2012-01-03  Richard Guenther  <rguenther@suse.de>
5046
5047         PR debug/51650
5048         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5049         the context of a limbo DIE when it does not already exist.
5050
5051 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5052
5053         PR tree-optimization/51719
5054         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5055         but direct call is, clear direct call's lhs and don't add fallthrough
5056         edge from dcall_bb to join_bb and PHIs.
5057
5058 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5059
5060         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5061         the instructions emitted by the pattern.
5062         ("*TDC_insn_<mode>"): Add comment.
5063
5064 2012-01-03  Richard Guenther  <rguenther@suse.de>
5065
5066         PR middle-end/51730
5067         * fold-const.c (fold_comparison): Properly canonicalize
5068         tree offset and HOST_WIDE_INT bit position.
5069
5070 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5071
5072         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5073         operands for extzv pattern.
5074
5075 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5076
5077         PR bootstrap/51725
5078         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5079         on mem_elt first.
5080
5081 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5082
5083         * doc/invoke.texi (-flto and related options): Copy-edit.
5084
5085 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5086
5087         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5088
5089 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5090
5091         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5092         New patterns.
5093
5094 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5095
5096         * expr.h (move_by_pieces_ninsns): Declare.
5097         * expr.c (move_by_pieces_ninsns): Make external.
5098         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5099         (mips_store_by_pieces_p): Likewise.
5100         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5101         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5102         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5103         (mips_store_by_pieces_p): Likewise.
5104
5105 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5106
5107         * passes.c (register_one_dump_file): Free full_name.
5108
5109         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5110         (calculate_elim_costs_all_insns): Free offsets_at and
5111         offsets_known_at at the end and clear the pointers.
5112
5113 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5114
5115         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5116         this option introduced in r180739.
5117
5118 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5119
5120         PR target/51345
5121         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5122         (tmake_file target=avr): Add avr/t-multilib.
5123
5124         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5125         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5126         * config/avr/genmultilib.awk: New file.
5127         * config/avr/t-multilib: New auto-generated file.
5128         * config/avr/multilib.h: New auto-generated file.
5129         * config/avr/t-avr (AVR_MCUS): New variable.
5130         (genopt.sh): Use it.
5131         (s-mlib): Depend on t-multilib.
5132         (t-multilib, multilib.h): New dependencies.
5133         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5134         (MULTILIB_OPTIONS): Remove.
5135         (MULTILIB_MATCHES): Remove.
5136         (MULTILIB_DIRNAMES): Remove.
5137         (MULTILIB_EXCEPTIONS): Remove:
5138         * config/avr/genopt.sh: Don't use hard coded file name;
5139         pass AVR_MCUS from t-avr instead.
5140
5141 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5142
5143         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5144
5145 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5146
5147         Implement light-weight DImode support.
5148         * config/avr/avr-dimode.md: New file.
5149         * config/avr/avr.md: Include it.
5150         (adjust_len): Add plus64, compare64.
5151         (HIDI): Remove code iterator.
5152         (code_stdname): New code attribute.
5153         (rotx, rotsmode): Remove DI.
5154         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5155         as code iterator.
5156         * config/avr/avr-protos.h (avr_have_dimode): New.
5157         (avr_out_plus64, avr_out_compare64): New.
5158         * config/avr/avr.c (avr_out_compare): Handle DImode.
5159         (avr_have_dimode): New variable definition and initialization.
5160         (avr_out_compare64, avr_out_plus64): New functions.
5161         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5162         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5163         (avr_compare_pattern): Skip DImode comparisons.
5164
5165 2012-01-02  Revital Eres  <revital.eres@linaro.org>
5166
5167         * ddg.c (def_has_ccmode_p): New function.
5168         (add_cross_iteration_register_deps,
5169         create_ddg_dep_from_intra_loop_link): Call it.
5170
5171 2012-01-02  Richard Guenther  <rguenther@suse.de>
5172
5173         PR other/51679
5174         * invoke.texi (fassociative-math): Remove spurious paranthesis.
5175
5176 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5177
5178         * gcc.c (process_command): Update copyright notice dates.
5179         * gcov.c (print_version): Likewise.
5180         * gcov-dump.c (print_version): Likewise.
5181         * mips-tfile.c (main): Likewise.
5182         * mips-tdump.c (main): Likewise.
5183
5184 2012-01-01  Ira Rosen  <irar@il.ibm.com>
5185
5186         PR tree-optimization/51704
5187         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5188         a use is inside the basic block or loop before accessing its vect info.
5189
5190 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
5191
5192         PR rtl-optimization/51069
5193         * cfgloopmanip.c (remove_path): Removing path making irreducible
5194         region unconditional makes BB part of the region.
5195
5196 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5197
5198         PR tree-optimization/51683
5199         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5200         calls with side-effects.
5201         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5202 \f
5203 Copyright (C) 2012 Free Software Foundation, Inc.
5204
5205 Copying and distribution of this file, with or without modification,
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