gcc/ChangeLog

   1 2012-03-21  Oleg Endo  <olegendo@gcc.gnu.org>
   2
   3         PR target/52479
   4         * config/sh/sh-protos.h (sh_fsca_df2int): Remove.
   5         * config/sh/sh.c (sh_fsca_df2int_rtx, sh_fsca_df2int): Remove.
   6         * config/sh/sh.md (sindf2, cosdf2): Remove.
   7
   8 2012-03-21  Kaz Kojima  <kkojima@gcc.gnu.org>
   9
  10         PR/target 52642
  11         * config/sh/sh.c (sh_expand_prologue): Emit blockage at the end of
  12         prologue for unwinder and profiler.
  13
  14 2012-03-21  Andreas Tobler  <andreast@fgznet.ch>
  15
  16         * configure.ac (HAVE_LD_NO_DOT_SYMBOLS): Add powerpc64-*-freebsd*.
  17         Introduce emul_name to select the right linker emulation for
  18         powerpc64-*-freebsd*.
  19         * configure: Regenerate.
  20         * config.gcc: Add bits to support powerpc64-*-freebsd*.
  21         * config/rs6000/freebsd.h (POWERPC_FREEBSD): Define.
  22         * config/rs6000/freebsd64.h: New file.
  23         * config/rs6000/rs6000.c (rs6000_option_override_internal): Use
  24         POWERPC_FREEBSD.
  25         (rs6000_savres_strategy): Likewise.
  26         (rs6000_savres_routine_name): Likewise.
  27         (rs6000_elf_file_end): Likewise.
  28         * config/rs6000/t-freebsd64: New file.
  29         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set the
  30         rs6000_current_abi for 64-bit FreeBSD to ABI_AIX.
  31
  32 2012-03-21  Georg-Johann Lay  <avr@gjlay.de>
  33
  34         PR rtl-optimization/52543
  35         PR target/52461
  36         * config/avr/avr-protos.h (avr_load_lpm): New prototype.
  37         * config/avr/avr.c (avr_mode_dependent_address_p): New function.
  38         (TARGET_MODE_DEPENDENT_ADDRESS_P): New define.
  39         (avr_load_libgcc_p): Restrict to __flash loads.
  40         (avr_out_lpm): Only handle 1-byte loads from __flash.
  41         (avr_load_lpm): New function.
  42         (avr_find_unused_d_reg): Remove.
  43         (avr_out_lpm_no_lpmx): Remove.
  44         (adjust_insn_length): Handle ADJUST_LEN_LOAD_LPM.
  45         * config/avr/avr.md (unspec): Add UNSPEC_LPM.
  46         (load_<mode>_libgcc): Use UNSPEC_LPM instead of MEM.
  47         (load_<mode>, load_<mode>_clobber): New insns.
  48         (mov<mode>): For multi-byte move from non-generic
  49         16-bit address spaces: Expand to load_<mode> resp.
  50         load_<mode>_clobber.
  51         (load<mode>_libgcc): Remove expander.
  52         (split-lpmx): Remove split.
  53
  54 2012-03-21  Richard Earnshaw  <rearnsha@arm.com>
  55
  56         * neon.md (neon_vget_lanev2di): Use gen_lowpart and gen_highpart.
  57         * config/arm/neon.ml (Fixed_return_reg): Renamed to fixed_vector_reg.
  58         All callers changed.
  59         (Fixed_core_reg): New feature.
  60         (Vget_lane [sizes S64 and U64]): Add Fixed_core_reg.  Allow fmrrd in
  61         disassembly.
  62         * neon-testgen.ml: Handle Fixed_core_reg.
  63
  64 2012-03-21  Andrew Stubbs  <ams@codesourcery.com>
  65
  66         * config/arm/arm.c (thumb2_reorg): Add complete support
  67         for 16-bit instructions.
  68         * config/arm/thumb2.md: Delete obsolete flag-clobbering peepholes.
  69
  70 2012-03-21  Richard Guenther  <rguenther@suse.de>
  71
  72         PR tree-optimizer/52636
  73         * tree-vect-slp.c (vect_get_constant_vectors): Convert constants
  74         to the appropriate type.
  75
  76 2012-03-21  Richard Guenther  <rguenther@suse.de>
  77
  78         * Makefile.in (cfgexpand.o): Add $(REGS_H) and $(INTEGRATE_H)
  79         dependencies.
  80         * cfgexpand.c (gimple_expand_cfg): Fold in pass_init_function,
  81         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
  82         * passes.c (init_optimization_passes): Remove pass_init_function,
  83         pass_jump, pass_initial_value_sets and pass_unshare_all_rtl.
  84         * tree-pass.h (pass_init_function): Remove.
  85         (pass_jump): Remove.
  86         (pass_initial_value_sets): Remove.
  87         (pass_unshare_all_rtl): Remove.
  88         * integrate.c (pass_initial_value_sets): Remove.
  89         * emit-rtl.c (pass_unshare_all_rtl): Remove.
  90         * tree.h (init_function_for_compilation): Remove.
  91         * function.c (init_function_for_compilation): Remove.
  92         (pass_init_function): Remove.
  93         * cfgcleanup.c (rest_of_handle_jump): Remove.
  94         (pass_jump): Remove.
  95
  96 2012-03-20  Jason Merrill  <jason@redhat.com>
  97
  98         * tree-streamer-in.c (streamer_alloc_tree): Call
  99         ggc_alloc_zone_cleared_tree_node instead of
 100         ggc_alloc_zone_cleared_tree_node_stat.
 101
 102 2012-03-20  Jonathan Wakely  <jwakely.gcc@gmail.com>
 103
 104         * doc/extend.texi (Template Instantiation): Remove anachronisms.
 105
 106 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
 107
 108         PR target/52607
 109         * config/i386/i386.c (expand_vec_perm_vperm2f128): New function.
 110         (ix86_expand_vec_perm_const_1): Call it.
 111
 112         * config/i386/i386.c (vselect_insn): New variable.
 113         (init_vselect_insn): New function.
 114         (expand_vselect, expand_vselect_insn): Add testing_p argument.
 115         Call init_vselect_insn if vselect_insn is NULL.  Adjust
 116         PATTERN (vselect_insn), instead of creating a new insn each time,
 117         only emit a copy of it if not testing and recog has been successful.
 118         (expand_vec_perm_pshufb, expand_vec_perm_1,
 119         expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_broadcast_1): Adjust
 120         callers.
 121
 122         PR target/52607
 123         * config/i386/i386.md ("isa" attribute): Add avx2 and noavx2.
 124         ("enabled" attribute): Handle avx2 and noavx2 isas.
 125         * config/i386/sse.md (avx2_vec_dupv8sf_1, avx2_pbroadcast<mode>_1):
 126         New insns.
 127         (vec_dup<mode>): Add avx2 =x,x alternative.
 128         (vec_dup<mode> splitter): Don't split if TARGET_AVX2.
 129         (*avx_vperm_broadcast_<mode>): Don't split V4DFmode if TARGET_AVX2.
 130         For TARGET_AVX2, V8SFmode and elt == 0 split into vbroadcastss.
 131         * config/i386/i386.c (expand_vec_perm_pshufb): Emit also vpermps
 132         for V8SFmode.
 133         (expand_vec_perm_1): For broadcasts, use avx2_pbroadcast<mode>_1
 134         if possible, handle also V8SFmode.
 135
 136 2012-03-20  Richard Earnshaw  <rearnsha@arm.com>
 137
 138         * arm/predicates.md (zero_operand, reg_or_zero_operand): New predicates.
 139         * arm/neon.md (neon_vceq<mode>, neon_vcge<mode>): Use
 140         reg_or_zero_operand predicate.
 141         (neon_vcle<mode>, neon_vclt<mode>): Use zero_operand predicate.
 142
 143 2012-03-20  Jakub Jelinek  <jakub@redhat.com>
 144
 145         * config/i386/i386.c (ix86_decompose_address) <case ZERO_EXTEND>:
 146         If operand isn't UNSPEC, return 0.
 147
 148 2012-03-20  Richard Guenther  <rguenther@suse.de>
 149
 150         * tree-pass.h (pass_rtl_eh): Remove.
 151         * except.c (gate_handle_eh): Likewise.
 152         (rest_of_handle_eh): Likewise.
 153         (pass_rtl_eh): Likewise.
 154         (finish_eh_generation): Export.
 155         * except.h (finish_eh_generation): Declare.
 156         * passes.c (init_optimization_passes): Remove pass_rtl_eh.
 157         * cfgexpand.c (gimple_expand_cfg): Call finish_eh_generation
 158         after expanding stack alignment.  Instead of compacting blocks
 159         call cleanup_cfg.
 160
 161 2012-03-20  Richard Guenther  <rguenther@suse.de>
 162
 163         * stor-layout.c (finish_bitfield_representative): Fallback
 164         to conservative maximum size if the padding up to the next
 165         field cannot be computed as a constant.
 166         (finish_bitfield_layout): If we cannot compute the distance
 167         between the start of the bitfield representative and the
 168         bitfield member start a new representative.
 169         * expr.c (get_bit_range): The distance between the start of
 170         the bitfield representative and the bitfield member is zero
 171         if the field offsets are not constants.
 172
 173 2012-03-20  Tristan Gingold  <gingold@adacore.com>
 174
 175         * tree.h (enum size_type_kind): Add stk_ prefix to constants,
 176         convert in lowercase.
 177         (sizetype_tab, sizetype, bitsizetype, ssizetype, sbitsizetype)
 178         (size_int, ssize_int, bitsize_int, sbitsize_int): Adjust.
 179         * stor-layout.c (sizetype_tab): Adjust.
 180         (initialize_sizetypes): Use SIZETYPE instead of SIZE_TYPE.
 181         * tree-streamer.c (preload_common_nodes): Use stk_type_kind_last
 182         instead of type_kind_last.
 183         * tree-scalar-evolution.c (interpret_rhs_expr): Use size_int
 184         instead of size_int_kind.
 185         * doc/tm.texi.in (Type Layout): Document SIZETYPE.
 186         * doc/tm.texi: Regenerate.
 187         * defaults.h (SIZETYPE): Provide a default value.
 188         * config/vms/vms.h (SIZE_TYPE): Define as "unsigned int".
 189         (SIZETYPE): Define.
 190
 191 2012-03-20  Oleg Endo  <olegendo@gcc.gnu.org>
 192
 193         * config/sh/sh.md: Use braced string notation where applicable.
 194
 195 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
 196
 197         * config/i386/i386.md (allocate_stack): Simplify.
 198
 199 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
 200
 201         * builtins.c (expand_builtin_cexpi): Use copy_addr_to_reg instead of
 202         copy_to_mode_reg (Pmode, ...).
 203         (expand_builtin_frame_address): Ditto.
 204         * expr.c (emit_block_move_via_libcall): Ditto.
 205         (set_storage_via_libcall): Ditto.
 206
 207         * config/i386/i386.c (ix86_expand_movmem): Ditto.
 208         (ix86_expand_setmem): Ditto.
 209         (ix86_trampoline_init): DItto.
 210         * config/i386/i386.md (cmpstrnsi): Ditto.
 211
 212 2012-03-19  Sandra Loosemore  <sandra@codesourcery.com>
 213
 214         * config/sh/sh.opt (madjust-unroll): Mark as ignored/obsolete.
 215         * config/sh/sh.h (TARGET_OPT_DEFAULT): Don't use MASK_ADJUST_UNROLL.
 216         * doc/invoke.texi (Option Summary): Remove -madjust-unroll.
 217         (SH Options): Likewise.
 218
 219 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
 220
 221         * config/i386/i386.c (get_thread_pointer): Add tp_mode argument.
 222         Generate ZERO_EXTEND in place if GET_MODE (tp) != tp_mode.
 223         (legitimize_tls_address) <TLS_MODEL_INITIAL_EXEC>: Always generate
 224         DImode UNSPEC_GOTNTPOFF references on TARGET_64BIT.
 225         (ix86_decompose_address): Allow zero extended UNSPEC_TP references.
 226
 227         Revert:
 228         2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 229
 230         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
 231         * config/i386/i386.c (ix86_decompose_address): Use
 232         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
 233         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
 234         thread pointer to a register.
 235
 236         Revert:
 237         2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
 238
 239         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
 240         if Pmode != word_mode.
 241         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
 242         Pmode == SImode for TARGET_X32.
 243
 244         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
 245         (tls_initial_exec_x32): Likewise.
 246
 247 2012-03-19  Oleg Endo  <olegendo@gcc.gnu.org>
 248
 249         PR target/50751
 250         * config/sh/sh.h (CONST_OK_FOR_K04, CONST_OK_FOR_K12, DISP_ADDR_P,
 251         DISP_ADDR_OFFSET): New macros.
 252         * config/sh/sh.c (sh_address_cost): Add SH2A special case.
 253         (sh_legitimate_index_p): Allow QImode displacements for non-SH2A.
 254         (sh_legitimize_address): Add QImode displacement handling.
 255         (sh_cannot_change_mode_class): Disallow GENERAL_REGS for SFmode
 256         vector subregs.
 257         (sh_secondary_reload): Add QImode displacement handling.
 258         * config/sh/predicates.md (movsrc_no_disp_mem_operand): New predicate.
 259         * config/sh/constraints.md (K04, Snd, Sdd): New constraints.
 260         * config/sh/sh.md (extendqisi2): Remove constraints from expander.
 261         (*extendqisi2_compact): Rename to *extendqisi2_compact_reg, restrict
 262         to register operands only.
 263         (*extendqisi2_compact_mem_disp, *extendqisi2_compact_snd): New insns.
 264         (extendqihi2): Change insn to expander.
 265         (*extendqihi2_compact_reg): New insn.
 266         (movqi_i, movqi): Replace with ...
 267         (movqi, *movqi_reg_reg, *movqi_store_mem_disp12,
 268         *movqi_load_mem_disp, *movqi_load_mem_disp): ... these.
 269         Add new peepholes for QImode displacement addressing.
 270
 271 2012-03-19  Paolo Carlini  <paolo.carlini@oracle.com>
 272
 273         PR c++/14710
 274         * doc/invoke.texi: Document -Wuseless-cast.
 275
 276 2012-03-19  Eric Botcazou  <ebotcazou@adacore.com>
 277
 278         * tree.def (REALPART_EXPR, IMAGPART_EXPR, VIEW_CONVERT_EXPR): Move.
 279         * tree.h (handled_component_p): Reorder cases.
 280         * dwarf2out.c (loc_list_for_address_of_addr_expr_of_indirect_ref): Do
 281         not initialize unsignedp.
 282         (loc_list_from_tree): Likewise.
 283         (fortran_common): Likewise.
 284         * simplify-rtx.c (delegitimize_mem_from_attrs): Likewise.
 285
 286 2012-03-19  Uros Bizjak  <ubizjak@gmail.com>
 287
 288         * config/i386/i386.c (ix86_expand_prologue) <CM_LARGE_PIC>: Use Pmode
 289         mode consistently.  Use ix86_gen_add3.  Assert that Pmode == DImode.
 290         (ix86_expand_split_stack_prologue): Use ix86_gen_add3.
 291         (ix86_split_long_move): Ditto.
 292         (legitimize_tls_address): Use ix86_gen_sub3.
 293         (construct_plt_address): Assert that Pmode == DImode.
 294
 295 2012-03-18  Uros Bizjak  <ubizjak@gmail.com>
 296
 297         * config/i386/i386.md: Remove empty predicates and/or constraints.
 298         * config/i386/sync.md: Ditto.
 299         * config/i386/sse.md: Ditto.
 300         * config/i386/mmx.md: Ditto.
 301         * config/i386/pentium.md: Ditto.
 302         * config/i386/athlon.md: Ditto.
 303
 304 2012-03-16  Richard Guenther  <rguenther@suse.de>
 305
 306         PR tree-optimization/52603
 307         * tree-vect-data-refs.c (vect_can_force_dr_alignment_p): Clarify
 308         comment.
 309
 310         Revert
 311         2012-03-14  Richard Guenther  <rguenther@suse.de>
 312
 313         PR tree-optimization/52571
 314         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
 315         flag_section_anchors check ...
 316         (vect_can_force_dr_alignment_p): ... here.
 317
 318 2012-03-16  Martin Jambor  <mjambor@suse.cz>
 319
 320         * expr.c (expand_expr_real_1): Handle misaligned scalar reads from
 321         memory through MEM_REFs by calling extract_bit_field.
 322
 323 2012-03-16  Richard Guenther  <rguenther@suse.de>
 324
 325         * fold-const.c (native_interpret_expr): Also support POINTER_TYPE
 326         and REFERENCE_TYPE interpretations.
 327         (can_native_interpret_type_p): New function.
 328         (fold_ternary_loc): Use native encode/interpret to fold
 329         BIT_FIELD_REFs of constants.
 330
 331 2012-03-16  Richard Guenther  <rguenther@suse.de>
 332
 333         PR middle-end/52584
 334         * fold-const.c (fold_ternary_loc): Fold vector typed BIT_FIELD_REFs
 335         of vector constants and constructors.
 336
 337 2012-03-16  Richard Guenther  <rguenther@suse.de>
 338
 339         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
 340         VIEW_CONVERT_EXPR to convert constants.
 341         (vect_is_simple_use): Treat all constants as vec_constant_def.
 342
 343 2012-03-16  Richard Guenther  <rguenther@suse.de>
 344             Kai Tietz  <ktietz@redhat.com>
 345
 346         PR middle-end/48814
 347         * gimplify.c (gimplify_self_mod_expr): Evaluate postfix
 348         side-effects completely in the pre-queue and use a temporary
 349         for the result.
 350
 351 2012-03-16  Richard Guenther  <rguenther@suse.de>
 352
 353         * stor-layout.c (finish_bitfield_representative): Fall back
 354         to the conservative maximum size if we cannot compute the
 355         size of the tail padding.
 356
 357 2012-03-16  Tristan Gingold  <gingold@adacore.com>
 358
 359         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
 360         __CRTL_VER and __VMS_VER.
 361         * config/vms/vms-protos.h: Declare vms_c_get_crtl_ver
 362         and vms_c_get_vms_ver.
 363         * config/vms/vms-c.c (vms_c_get_crtl_ver, vms_c_get_vms_ver): New
 364         functions.
 365         * config/alpha/vms.h (VMS_DEFAULT_CRTL_VER)
 366         (VMS_DEFAULT_VMS_VER): Define.
 367         * config/ia64/vms.h (VMS_DEFAULT_CRTL_VER)
 368         (VMS_DEFAULT_VMS_VER): Define.
 369
 370 2012-03-16  Richard Guenther  <rguenther@suse.de>
 371
 372         * tree-vect-loop.c (get_initial_def_for_induction): Use
 373         build_constructor directly.
 374         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Use
 375         build_vector_from_val.
 376         * tree.c (build_vector_from_val): Avoid creating a constructor
 377         first when we want a constant vector.
 378
 379 2012-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 380
 381         * doc/install.texi (Specific, *-*-solaris2*): Improve wording.
 382
 383 2012-03-16  Richard Guenther  <rguenther@suse.de>
 384
 385         * tree.h (TREE_VECTOR_CST_ELTS): Remove.
 386         (VECTOR_CST_NELTS, VECTOR_CST_ELTS, VECTOR_CST_ELT): New defines.
 387         (struct tree_vector): Remove elements member, add variable size
 388         elts array member.
 389         (build_vector_stat): Declare.
 390         (build_vector): Define in terms of build_vector_stat.
 391         * tree.c (build_vector): Rename to ...
 392         (build_vector_stat): ... this.  Take array of trees as parameter.
 393         (build_vector_from_ctor): Adjust.
 394         (integer_zerop, integer_onep, integer_all_onesp, iterative_hash_expr,
 395         initializer_zerop): Adjust.
 396         * cfgexpand.c (expand_debug_expr): Likewise.
 397         * expr.c (categorize_ctor_elements_1, expand_expr_real_1,
 398         const_vector_from_tree): Likewise.
 399         * fold-const.c (const_binop, operand_equal_p, native_encode_vector,
 400         native_interpret_vector, fold_unary_loc, vec_cst_ctor_to_array,
 401         fold_vec_perm, fold_binary_loc, fold_ternary_loc): Likewise.
 402         * tree-streamer-in.c (streamer_alloc_tree): Handle TS_VECTOR.
 403         (lto_input_ts_vector_tree_pointers): Adjust.
 404         * tree-streamer-out.c (streamer_write_tree_header): Handle TS_VECTOR.
 405         (write_ts_vector_tree_pointers): Adjust.
 406         * varasm.c (const_hash_1, compare_constant, copy_constant,
 407         output_constant): Adjust.
 408         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Adjust.
 409         * print-tree.c (print_node): Adjust.
 410         * tree-pretty-print.c (dump_generic_node): Adjust.
 411         * tree-vect-generic.c (uniform_vector_p, vector_element,
 412         lower_vec_perm): Adjust.
 413         * tree-vect-loop.c (get_initial_def_for_reduction): Adjust.
 414         * tree-vect-slp.c (vect_get_constant_vectors,
 415         vect_transform_slp_perm_load): Adjust.
 416         * tree-vect-stmts.c (vect_gen_perm_mask): Adjust.
 417         * expmed.c (make_tree): Adjust.
 418         * config/i386/i386.c (ix86_expand_builtin): Adjust.
 419         * config/sparc/sparc.c (sparc_handle_vis_mul8x16): Adjust interface
 420         and implementation.
 421         (sparc_fold_builtin): Adjust.
 422
 423 2012-03-16  Tristan Gingold  <gingold@adacore.com>
 424
 425         * config.gcc (*-*-*vms*): Define use_gcc_stdint and tm_file.
 426         * config/vms/vms-stdint.h: New file.
 427
 428 2012-03-16  Tristan Gingold  <gingold@adacore.com>
 429
 430         * config.host (alpha64-dec-*vms*, alpha*-dec-*vms*)
 431         (ia64-hp-*vms*): Replaced by ...
 432         (*-*-*vms*): ... This new entry.
 433
 434 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
 435
 436         PR target/52568
 437         * config/i386/i386.c (expand_vec_perm_vperm2f128_vblend): New function.
 438         (ix86_expand_vec_perm_const_1): Use it.
 439
 440         PR target/52568
 441         * config/i386/sse.md (UNSPEC_VPERMDF): Remove.
 442         (avx2_permv4df): Remove.
 443         (avx2_permv4di): Macroize into...
 444         (avx2_perm<mode>): ... this using VI8F_256 iterator.
 445         (avx2_permv4di_1): Macroize into...
 446         (avx2_perm<mode>_1): ... this using VI8F_256 iterator.
 447
 448 2012-03-15  Ulrich Weigand  <ulrich.weigand@linaro.org>
 449
 450         * combine.c (apply_distributive_law): Do not distribute SUBREG.
 451
 452 2012-03-15  Ira Rosen  <irar@il.ibm.com>
 453             Ulrich Weigand  <ulrich.weigand@linaro.org>
 454
 455         * tree-vect-patterns.c (widened_name_p): Rename to ...
 456         (type_conversion_p): ... this.  Add new argument to determine
 457         if it's a promotion or demotion operation.  Check for
 458         CONVERT_EXPR_CODE_P instead of NOP_EXPR.
 459         (vect_recog_dot_prod_pattern): Call type_conversion_p instead
 460         widened_name_p.
 461         (vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern,
 462         vect_operation_fits_smaller_type, vect_recog_widen_shift_pattern):
 463         Likewise.
 464         (vect_recog_mixed_size_cond_pattern): Likewise and allow
 465         non-constant then and else clauses.
 466
 467 2012-03-15  Ira Rosen  <irar@il.ibm.com>
 468             Ulrich Weigand  <ulrich.weigand@linaro.org>
 469
 470         * tree-vectorizer.h (vect_pattern_recog): Add new argument.
 471         * tree-vect-loop.c (vect_analyze_loop_2): Update call to
 472         vect_pattern_recog.
 473         * tree-vect-patterns.c (widened_name_p): Pass basic block
 474         info to vect_is_simple_use.
 475         (vect_recog_dot_prod_pattern): Fail for basic blocks.
 476         (vect_recog_widen_sum_pattern): Likewise.
 477         (vect_handle_widen_op_by_const): Support basic blocks.
 478         (vect_operation_fits_smaller_type,
 479         vect_recog_over_widening_pattern): Likewise.
 480         (vect_recog_vector_vector_shift_pattern): Support basic blocks.
 481         Update call to vect_is_simple_use.
 482         (vect_recog_mixed_size_cond_pattern): Support basic blocks.
 483         Add printing.
 484         (check_bool_pattern): Add an argument, update call to
 485         vect_is_simple_use and the recursive calls.
 486         (vect_recog_bool_pattern): Update relevant function calls.
 487         Add printing.
 488         (vect_mark_pattern_stmts): Update calls to new_stmt_vec_info.
 489         (vect_pattern_recog_1): Check for reduction only in loops.
 490         (vect_pattern_recog): Add new argument.  Support basic blocks.
 491         * tree-vect-stmts.c (vectorizable_conversion): Pass basic block
 492         info to vect_is_simple_use_1.
 493         * tree-vect-slp.c (vect_get_and_check_slp_defs): Support basic
 494         blocks.
 495         (vect_slp_analyze_bb_1): Call vect_pattern_recog.
 496
 497 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
 498             Andrew Pinski  <apinski@cavium.com>
 499
 500         PR middle-end/52592
 501         * builtins.c (expand_builtin_int_roundingfn_2): If expanding
 502         BUILT_IN_IR{INT,OUND}* using optab fails, emit lr{int,ound}*
 503         calls instead of __builtin_ir{int,ound}*.
 504
 505 2012-03-15  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 506
 507         * doc/sourcebuild.texi (cleanup-modules, keep-modules): Update
 508         documentation.
 509
 510 2012-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
 511
 512         * config.gcc (target_type_format_char): New. Document it. Set it for
 513         arm*-*-* .
 514         * configure.ac (gnu_unique_option): Use target_type_format_char
 515         in test.  Comment rationale.
 516         * configure: Regenerate .
 517
 518 2012-03-15  Jakub Jelinek  <jakub@redhat.com>
 519
 520         PR tree-optimization/52267
 521         * tree-vrp.c (masked_increment): New function.
 522         (register_edge_assert_for_2): Derive ASSERT_EXPRs
 523         from (X & CST1) cmp CST2 tests.
 524
 525 2012-03-15  Richard Guenther  <rguenther@suse.de>
 526
 527         PR middle-end/52580
 528         * tree-data-ref.c (subscript_dependence_tester_1): Check
 529         all dimensions for non-conflicting access functions.
 530
 531 2012-03-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 532
 533         PR c++/44783
 534         * doc/invoke.texi [C++ Language Options]: Document
 535         -ftemplate-backtrace-limit.
 536
 537 2012-03-15  Tristan Gingold  <gingold@adacore.com>
 538
 539         * c-parser.c (c_parser_parameter_declaration): Handle #pragma
 540         before a parameter.
 541
 542 2012-03-15  Tristan Gingold  <gingold@adacore.com>
 543
 544         * dwarf2out.c (gen_subprogram_die): Require dwarf unwinding to
 545         use DW_OP_call_frame_cfa.
 546
 547 2012-03-14  H.J. Lu  <hongjiu.lu@intel.com>
 548
 549         PR target/50797
 550         * config/i386/i386-opts.h (pmode): New.
 551
 552         * config/i386/i386.c (ix86_option_override_internal): Properly
 553         check and set ix86_pmode.
 554
 555         * config/i386/i386.h (Pmode): Check ix86_pmode instead of
 556         TARGET_64BIT.
 557
 558         * config/i386/i386.opt (maddress-mode=): New.
 559
 560         * doc/invoke.texi: Document -maddress-mode=short|long for x86.
 561
 562 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 563
 564         * dwarf2cfi.c (def_cfa_0): Remove MIPS_DEBUGGING_INFO handling.
 565         (dwarf2out_do_cfi_asm): Likewise.
 566         * dwarf2out.c (output_call_frame_info): Remove MIPS_DEBUGGING_INFO
 567         handling.
 568         (add_data_member_location_attribute): Likewise.
 569         (gen_array_type_die): Likewise.
 570         (gen_subprogram_die): Likewise.
 571         (gen_producer_string): Likewise.
 572         * sdbout.c (sdbout_begin_prologue): Declare unconditionally.
 573         Remove MIPS_DEBUGGING_INFO handling.
 574         (sdb_debug_hooks): Likewise.
 575         (sdbout_begin_block): Likewise.
 576         (sdbout_end_block): Likewise.
 577         (sdbout_begin_prologue): Likewise.
 578         (sdbout_start_source_file): Likewise.
 579         (sdbout_end_source_file): Likewise.
 580         (sdbout_init): Likewise.
 581         * system.h (MIPS_DEBUGGING_INFO): Poison.
 582
 583 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 584
 585         * config/alpha/alpha.c [HAVE_STAMP_H]: Remove.
 586         (alpha_file_start) [MS_STAMP]: Remove.
 587
 588         * config/alpha/elf.h (TARGET_GAS): Remove.
 589         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove.
 590         * config/alpha/linux.h (TARGET_DEFAULT): Remove.
 591         * config/alpha/netbsd.h (TARGET_DEFAULT): Remove.
 592         * config/alpha/vms.h (TARGET_DEFAULT): Remove.
 593         * config.gcc (alpha*-*-linux*): Remove target_cpu_default.
 594         (alpha*-*-freebsd*): Likewise.
 595         (alpha*-*-netbsd*): Likewise.
 596         (alpha*-*-openbsd*): Likewise.
 597         (alpha*-*-*): Remove target_cpu_default2.
 598         * config/alpha/alpha.c (alpha_output_filename): Remove !TARGET_GAS
 599         handling.
 600         * config/alpha/alpha.h (TARGET_AS_CAN_SUBTRACT_LABELS): Remove.
 601         (TARGET_AS_SLASH_BEFORE_SUFFIX): Remove.
 602         * config/alpha/alpha.c (print_operand): Always assume
 603         TARGET_AS_SLASH_BEFORE_SUFFIX.
 604         * config/alpha/alpha.md ("*builtin_setjmp_receiver_er_sl_1"):
 605         Remove TARGET_AS_CAN_SUBTRACT_LABELS.
 606         ("*builtin_setjmp_receiver_er_1"): Remove.
 607         * config/alpha/alpha.opt (malpha-as): Remove.
 608         (mgas): Ignore.
 609         * doc/invoke.texi (Option Summary, DEC Alpha Options): Remove
 610         -malpha-as, -mgas.
 611         Remove DEC Unix reference.
 612
 613         * config/alpha/alpha.h (OBJECT_FORMAT_COFF): Remove.
 614         (EXTENDED_COFF): Remove.
 615         * config/alpha/elf.h (OBJECT_FORMAT_COFF): Don't undef.
 616         (EXTENDED_COFF): Don't undef.
 617         * config/alpha/alpha.c (alpha_file_start): Always assume
 618         OBJECT_FORMAT_ELF.
 619         Don't set targetm.asm_file_start_file_directive.
 620         [!OBJECT_FORMAT_ELF]: Remove.
 621         (TARGET_ASM_FILE_START_FILE_DIRECTIVE): Remove.
 622
 623         * config/alpha/alpha.h (SDB_DEBUGGING_INFO): Remove.
 624         (DBX_DEBUGGING_INFO): Remove.
 625         (MIPS_DEBUGGING_INFO): Remove.
 626         (PREFERRED_DEBUGGING_TYPE): Remove.
 627         (DBX_OUTPUT_SOURCE_LINE): Remove.
 628         (SDB_OUTPUT_SOURCE_LINE): Remove.
 629         (DBX_CONTIN_LENGTH): Remove.
 630         (NO_DBX_FUNCTION_END): Remove.
 631         (ASM_STABS_OP): Remove.
 632         (ASM_STABN_OP): Remove.
 633         (ASM_STABD_OP): Remove.
 634         (SDB_ALLOW_FORWARD_REFERENCES): Remove.
 635         (SDB_ALLOW_UNKNOWN_REFERENCES): Remove.
 636         (PUT_SDB_DEF): Remove.
 637         (PUT_SDB_PLAIN_DEF): Remove.
 638         (PUT_SDB_TYPE): Remove.
 639         (sdb_label_count): Remove.
 640         (PUT_SDB_BLOCK_START): Remove.
 641         (PUT_SDB_BLOCK_END): Remove.
 642         (PUT_SDB_FUNCTION_START): Remove.
 643         (PUT_SDB_FUNCTION_END): Remove.
 644         (PUT_SDB_EPILOGUE_END): Remove.
 645         * config/alpha/elf.h (SDB_DEBUGGING_INFO): Don't undef.
 646         (MIPS_DEBUGGING_INFO): Don't undef.
 647         (DBX_DEBUGGING_INFO): Don't undef.
 648         * config/alpha/vms.h (SDB_DEBUGGING_INFO): Don't undef.
 649         (MIPS_DEBUGGING_INFO): Don't undef.
 650         (DBX_DEBUGGING_INFO): Don't undef.
 651         * config/alpha/freebsd.h (DBX_CONTIN_CHAR): Remove.
 652         * config/alpha/alpha.c (alpha_option_override): Remove SDB_DEBUG
 653         handling.
 654         (alpha_start_function): Likewise.
 655         (sdb_label_count): Remove.
 656         (alpha_output_filename): Remove DBX_DEBUG handling.
 657         (alpha_file_start): Likewise.
 658
 659 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 660
 661         * config.gcc (enable_obsolete): Remove *-*-solaris2.8*.
 662         (*-*-solaris2.[0-8], *-*-solaris2.[0-8].*): Mark unsupported.
 663         (i[34567]86-*-solaris2*, x86_64-*-solaris2.1[0-9]*): Remove
 664         Solaris 8 support.
 665         * configure.ac (gcc_cv_ld_hidden): Remove *-*-solaris2.8*.
 666         (ld_tls_support): Remove Solaris 8 references.
 667         (lwp_dir, lwp_spec): Remove support for alternate thread library.
 668         * acinclude.m4 (gcc_cv_initfini_array): Remove *-*-solaris2.* tests.
 669         * configure: Regenerate.
 670         * config.in: Regenerate.
 671
 672         * config/sol2.h (LINK_SPEC): Remove LIB_THREAD_LDFLAGS_SPEC.
 673         * config/i386/sol2.h: Remove Solaris 8 references.
 674
 675         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Rename to ...
 676         (i?86-*-solaris2.9): ... this.
 677         Remove Solaris 8 references.
 678         (Specific, *-*-solaris2*): Document Solaris 8 removal.
 679         Remove Solaris 8 references.
 680
 681 2012-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 682
 683         * config.gcc (enable_obsolete): Remove mips-sgi-irix6.5.
 684         (mips-sgi-irix6.5*): Remove.
 685         * config.host (mips-sgi-irix*): Remove.
 686         * configure.ac (enable_fixed_point): Remove mips*-sgi-irix*.
 687         (set_have_as_tls): Remove *-*-irix6*.
 688         (gcc_cv_ld_static_dynamic): Remove mips-sgi-irix6*.
 689         * configure: Regenerate.
 690
 691         * config/mips/iris6.h: Remove.
 692         * config/mips/iris6.opt: Remove.
 693         * config/mips/t-irix6: Remove.
 694
 695         * config/mips/mips.h (TARGET_GPWORD): Remove IRIX 6 N64 handling.
 696         (TARGET_IRIX6): Remove.
 697         (TARGET_CPU_CPP_BUILTINS): Remove IRIX 6 handling.
 698         Don't define LANGUAGE_C, _LANGUAGE_C for Objective-C.
 699         * config/mips/mips.c (mips_build_builtin_va_list): Remove IRIX 6
 700         handling.
 701         (mips_file_start): Likewise.
 702         * config/mips/mips-protos.h (irix_asm_output_align): Remove.
 703
 704         * config/mips/driver-native.c [__sgi__]: Remove.
 705         (host_detect_local_cpu) [__sgi__]: Remove.
 706
 707         * config/mips/gnu-user.h: Remove iris5.h reference.
 708
 709         * config/mips/mips-modes.def: Remove IRIX 6 reference.
 710         * config/mips/gnu-user64.h (MIPS_TFMODE_FORMAT): Remove.
 711         * config/mips/mips.c (mips_option_override) [MIPS_TFMODE_FORMAT]:
 712         Remove.
 713
 714         * gcc.c (main): Move asm_debug initialization ...
 715         (asm_debug): ... here.
 716
 717         * ginclude/stddef.h (__STDDEF_H__): Don't define.
 718
 719         * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Remove.
 720         * system.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): Poison.
 721         * collect2.c [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
 722         (main) [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES]: Remove.
 723         [LINK_ELIMINATE_DUPLICATE_LDIRECTORIES] (is_in_args): Remove.
 724         * doc/tm.texi.in (Driver, LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
 725         Remove.
 726         * doc/tm.texi: Regenerate.
 727
 728         * doc/invoke.texi (Debugging Options, -gdwarf-<version>): Remove
 729         IRIX 6 reference.
 730         (MIPS Options, -march): Remove IRIX reference.
 731         * doc/install.texi (Binaries, SGI IRIX): Remove.
 732         (Specific, mips-sgi-irix6): Document IRIX 6.5 removal, remove rest
 733         of section.
 734         * doc/trouble.texi (Interoperation): Remove -lgl_s handling.
 735
 736 2012-03-14  Martin Jambor  <mjambor@suse.cz>
 737
 738         * expr.c (expand_assignment): Use expand_expr with EXPAND_WRITE
 739         when expanding MEM_REFs, MEM_TARGET_REFs and handled_component bases.
 740         (expand_expr_real_1): Do not handle misalignment if modifier is
 741         EXPAND_WRITE.
 742
 743 2012-03-14  Richard Guenther  <rguenther@suse.de>
 744
 745         PR middle-end/52584
 746         * tree-vect-generic.c (type_for_widest_vector_mode): Take
 747         element type instead of mode, use build_vector_type_for_mode
 748         instead of the langhook, build a vector of proper signedness.
 749         (expand_vector_operations_1): Adjust.
 750
 751 2012-03-14  Richard Guenther  <rguenther@suse.de>
 752
 753         PR middle-end/52582
 754         * gimple-fold.c (canonicalize_constructor_val): Make sure we have
 755         a cgraph node for a FUNCTION_DECL that comes from a constructor.
 756         (gimple_get_virt_method_for_binfo): Likewise.
 757
 758 2012-03-14  Richard Guenther  <rguenther@suse.de>
 759
 760         PR tree-optimization/52571
 761         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Move
 762         flag_section_anchors check ...
 763         (vect_can_force_dr_alignment_p): ... here.  Do not re-align
 764         DECL_COMMON variables.
 765
 766 2012-03-14  Richard Guenther  <rguenther@suse.de>
 767
 768         * tree.h (DECL_BIT_FIELD_REPRESENTATIVE): New define.
 769         * stor-layout.c (start_bitfield_representative): New function.
 770         (finish_bitfield_representative): Likewise.
 771         (finish_bitfield_layout): Likewise.
 772         (finish_record_layout): Call finish_bitfield_layout.
 773         * tree.c (free_lang_data_in_decl): Only free DECL_QUALIFIER
 774         for QUAL_UNION_TYPE fields.
 775         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
 776         Stream DECL_BIT_FIELD_REPRESENTATIVE.
 777         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
 778
 779         PR middle-end/52080
 780         PR middle-end/52097
 781         PR middle-end/48124
 782         * expr.c (get_bit_range): Unconditionally extract bitrange
 783         from DECL_BIT_FIELD_REPRESENTATIVE.
 784         (expand_assignment): Adjust call to get_bit_range.
 785
 786 2012-03-14  Richard Guenther  <rguenther@suse.de>
 787
 788         PR middle-end/52578
 789         * fold-const.c (fold_unary_loc): Fold (T1)(T2)x to (T1)x if
 790         the outermost conversion is a sign-change only.
 791         (fold_binary_loc): Disregard widening and sign-changing
 792         conversions when we determine if two variables are equal
 793         for reassociation.
 794         * tree-ssa-forwprop.c (combine_conversions): Fold (T1)(T2)x to
 795         (T1)x if the outermost conversion is a sign-change only.
 796
 797 2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
 798
 799         Revert:
 800         2012-03-14  Uros Bizjak  <ubizjak@gmail.com>
 801
 802         * config/i386/predicates.md (constant_call_address_operand): Declare
 803         as special predicate.  Update all uses.
 804
 805 2012-03-13  Jakub Jelinek  <jakub@redhat.com>
 806
 807         PR c/52577
 808         * c-parser.c (c_parser_postfix_expression)
 809         <case RID_BUILTIN_SHUFFLE>: Call mark_exp_read on argument values.
 810
 811         * config/i386/smmintrin.h: Avoid /* within a comment.
 812         * config/i386/nmmintrin.h: Likewise.
 813
 814 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 815
 816         * config/i386/i386.md (xbegin): Remove constraint from expander.
 817
 818 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 819
 820         * config/i386/predicates.md (constant_call_address_operand): Declare
 821         as special predicate.  Update all uses.
 822         * config/i386/i386.md: Remove mode from constant_call_address_operand
 823         predicates.
 824         * config/i386/i386.c (ix86_output_call_insn): Call
 825         constant_call_address_operand with VOIDmode.
 826
 827 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 828
 829         * config/i386/i386.c (ix86_decompose_address): Handle subregs of
 830         AND zero extended address correctly.
 831
 832 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 833
 834         * config/i386/predicates.md (tls_symbolic_operand): Declare as
 835         special predicate.
 836         (tls_modbase_operand): Ditto.
 837         * config/i386/i386.md: Remove mode from tls_symbolic_operand and
 838         tls_modbase_operand predicates.
 839
 840 2012-03-13  Martin Jambor  <mjambor@suse.cz>
 841
 842         * expr.c (expand_assignment): Handle misaligned scalar writes to
 843         memory through top-level MEM_REFs by calling store_bit_field.
 844
 845 2012-03-13  Richard Guenther  <rguenther@suse.de>
 846
 847         PR middle-end/52134
 848         * fold-const.c (fold_binary_loc): Fold (X * Y) & -(1 << CST) to X * Y
 849         if Y is a constant multiple of 1 << CST.
 850
 851 2012-03-13  Georg-Johann Lay  <avr@gjlay.de>
 852
 853         PR target/52488
 854         * config/avr/avr.c (avr_prologue_setup_frame): Cut down stack
 855         offset (size) to a value the insns can deal with.
 856         (expand_epilogue): Ditto.
 857
 858 2012-03-13  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 859
 860         * config/arm/neon.ml (ops): Fixup expected instructions for
 861         unsigned vector compares.
 862
 863 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 864
 865         * config/i386/i386.c (ix86_decompose_address): Prevent %fs:(%reg)
 866         addresses only when %reg is not in word mode.
 867
 868 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 869
 870         * config/microblaze/microblaze.md: Fix typo.
 871         * tree-if-conv.c: Likewise.
 872         * tree-vect-patterns.c: Likewise.
 873
 874 2012-03-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 875
 876         * config.gcc (extra_passes): Remove.
 877         * configure.ac (extra_passes): Don't substitute.
 878         * configure: Regenerate.
 879         * Makefile.in (EXTRA_PASSES): Remove.
 880         (GCC_PASSES): Remove $(EXTRA_PASSES).
 881         (MOSTLYCLEANFILES): Likewise.
 882         (native): Likewise.
 883         (install-common): Likewise.
 884
 885 2012-03-13  Uros Bizjak  <ubizjak@gmail.com>
 886
 887         * config/i386/i386.h (TARGET_TLS_INDIRECT_SEG_REFS): New.
 888         * config/i386/i386.c (ix86_decompose_address): Use
 889         TARGET_TLS_INDIRECT_SEG_REFS to prevent %fs:(%reg) addresses.
 890         (legitimize_tls_address): Use TARGET_TLS_INDIRECT_SEG_REFS to load
 891         thread pointer to a register.
 892
 893 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 894
 895         * config/i386/i386.md (*tls_global_dynamic_64_<mode>): Remove :P
 896         on tls_symbolic_operand.
 897         (tls_global_dynamic_64_<mode>): Likewise.
 898
 899 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
 900
 901         PR other/52545
 902         * output.h (SECTION_EXCLUDE, SECTION_MACH_DEP): Don't use
 903         SECTION_MACH_DEP reserved bits for SECTION_EXCLUDE.
 904
 905 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
 906
 907         PR target/52499
 908         * config/avr/avr.c (avr_mode_code_base_reg_class): Change return
 909         type from reg_class_t to enum reg_class.
 910         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
 911
 912 2012-03-12  Andrew Pinski  <apinski@cavium.com>
 913
 914         * tree-ssa-phiopt.c (single_non_singleton_phi_for_edges): New function.
 915         (tree_ssa_phiopt_worker): Use single_non_singleton_phi_for_edges.
 916         (value_replacement): Likewise.
 917         (empty_block_p): Check also if the PHIs for the block are empty.
 918
 919 2012-03-12  Georg-Johann Lay  <avr@gjlay.de>
 920
 921         PR target/52148
 922         * config/avr/avr.c (avr_out_movmem): Fix typo in output template
 923         for the case ADDR_SPACE_FLASH and AVR_HAVE_LPMX introduced in
 924         r184615 from 2012-02-28.
 925
 926 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 927
 928         * config/i386/i386.c (ix86_gen_tls_global_dynamic_64): New.
 929         (ix86_gen_tls_local_dynamic_base_64): Likewise.
 930         (ix86_option_override_internal): Set ix86_gen_tls_global_dynamic_64
 931         and ix86_gen_tls_local_dynamic_base_64.
 932         (legitimize_tls_address): Use ix86_gen_tls_global_dynamic_64 and
 933         ix86_gen_tls_local_dynamic_base_64.
 934
 935         * config/i386/i386.md (*tls_global_dynamic_64): Renamed to ...
 936         (*tls_global_dynamic_64_<mode>): This.
 937         (tls_global_dynamic_64): Renamed to ...
 938         (tls_global_dynamic_64_<mode>): This.
 939         (*tls_local_dynamic_base_64): Renamed to ...
 940         (*tls_local_dynamic_base_64_<mode>): This.
 941         (tls_local_dynamic_base_64): Renamed to ...
 942         (tls_local_dynamic_base_64_<mode>): This.
 943
 944 2012-03-12  H.J. Lu  <hongjiu.lu@intel.com>
 945
 946         * config/i386/i386.c (ix86_option_override_internal): Properly
 947         set ix86_gen_leave and ix86_gen_monitor.  Check Pmode == DImode,
 948         instead of TARGET_64BIT, to set ix86_gen_add3, ix86_gen_sub3,
 949         ix86_gen_one_cmpl2, ix86_gen_andsp, ix86_gen_allocate_stack_worker,
 950         ix86_gen_adjust_stack_and_probe and ix86_gen_probe_stack_range.
 951
 952         * config/i386/sse.md (sse3_monitor64): Renamed to ...
 953         (sse3_monitor64_<mode>): This.
 954
 955 2012-03-12  Tristan Gingold  <gingold@adacore.com>
 956
 957         * config/ia64/ia64.c (ia64_function_arg_1): Move code around.
 958         (ia64_function_arg_advance): Ditto.
 959
 960 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 961
 962         * config.gcc (mips*-*-openbsd*): Remove.
 963         * config/mips/openbsd.h: Remove.
 964         * config/mips/sdb.h: Remove.
 965
 966         * config/mips/mips.h (SDB_OUTPUT_SOURCE_LINE): Remove.
 967         * config/mips/mips.c (sdb_label_count): Remove.
 968         (mips_debugger_offset): Remove #if 0 code.
 969         (mips_output_function_prologue) [SDB_DEBUGGING_INFO]: Remove.
 970         * config/mips/sde.h (SDB_DEBUGGING_INFO): Don't undef.
 971
 972 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 973
 974         * doc/install.texi (Specific, i?86-*-solaris2.[89]): Update
 975         binutils reference.
 976         (Specific, i?86-*-solaris2.10): Remove GCC 4.0 reference.
 977         Update binutils references.
 978         (Specific, *-*-solaris2*): Mention bundled GCC in Solaris 10 and 11.
 979         Update binutils reference.
 980         Update Sun as/GNU ld caveat.
 981         Document binutils largefile requirement for LTO plugin.
 982         Remove reference to alternate libpthread.
 983
 984 2012-03-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 985
 986         * config.gcc (alpha*-dec-osf5.1*): Remove.
 987         * config.host (alpha*-dec-osf*): Remove.
 988         * configure.ac (*-*-osf*): Remove.
 989         (alpha*-dec-osf*): Remove.
 990         * configure: Regenerate.
 991
 992         * config/alpha/host-osf.c, config/alpha/osf5.h, config/alpha/osf5.opt,
 993         config/alpha/va_list.h, config/alpha/x-osf: Remove.
 994
 995         * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Remove.
 996         * config/alpha/alpha.c (struct machine_function): Update comment.
 997         (alpha_start_function): Remove Tru64 UNIX as handling for
 998         max_frame_size.
 999         * config/alpha/alpha.md ("exception_receiver"): Remove
1000         TARGET_LD_BUGGY_LDGP.
1001         ("*exception_receiver_2"): Likewise.
1002         * except.c (finish_eh_generation): Remove Tru64 reference.
1003         * ginclude/stdarg.h [_HIDDEN_VA_LIST]: Don't undef _VA_LIST.
1004         * system.h (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Poison.
1005         * target.def (handle_pragma_extern_prefix): Remove.
1006
1007         * Makefile.in (mips-tfile.o-warn): Remove.
1008         (ALL_HOST_BACKEND_OBJS): Remove mips-tfile.o, mips-tdump.o.
1009         (mips-tfile, mips-tfile.o, mips-tdump, mips-tdump.o): Remove.
1010         * mips-tdump.c, mips-tfile.c: Remove.
1011
1012         * doc/extend.texi (Symbol-Renaming Pragmas): Remove #pragma
1013         extern_prefix.
1014         * doc/install.texi (Binaries): Remove Tru64 UNIX reference.
1015         (Specific, alpha*-dec-osf5.1): Note removal.
1016         * doc/tm.texi.in (Misc, TARGET_HANDLE_PRAGMA_EXTERN_PREFIX):
1017         Remove.
1018         * doc/tm.texi: Regenerate.
1019         * doc/trouble.texi (Cross-Compiler Problems): Remove.
1020
1021 2012-03-12  Richard Guenther  <rguenther@suse.de>
1022
1023         * config/arm/arm.c (neon_dereference_pointer): Do not call
1024         covert during RTL expansion.
1025
1026 2012-03-12  Tristan Gingold  <gingold@adacore.com>
1027
1028         * doc/invoke.texi (VMS Options): Merge Alpha/VMS and IA-64/VMS
1029         Options.  Mention -mpointer-size.
1030
1031 2012-03-12  Richard Guenther  <rguenther@suse.de>
1032
1033         * config/alpha/alpha.c (alpha_gimplify_va_arg): Use
1034         build_nonstandard_integer_type.
1035
1036 2012-03-12  Richard Guenther  <rguenther@suse.de>
1037
1038         * tree.c (signed_or_unsigned_type_for): Use
1039         build_nonstandard_integer_type.
1040         (signed_type_for): Adjust documentation.
1041         (unsigned_type_for): Likewise.
1042         * tree-pretty-print.c (dump_generic_node): Use standard names
1043         for non-standard integer types if available.
1044
1045 2012-03-12  Tristan Gingold  <gingold@adacore.com>
1046
1047         * config/vms/vms.opt: Add vms-opts.h header.
1048         (mmalloc64): Use flag_vms_malloc64 flag instead of MALLOC64
1049         target mask.
1050         (-mvms-return-codes): Document.
1051         (-mpointer-size): New option.
1052         (vms_pointer_size): Add enumeration.
1053         * config/vms/vms-opts.h: New file.
1054         * config/vms/vms.h (TARGET_OS_CPP_BUILTINS): Define
1055         __INITIAL_POINTER_SIZE.
1056         (POINTER_SIZE, SIZE_TYPE, PTRDIFF_TYPE): Adjust definition.
1057         (C_COMMON_OVERRIDE_OPTIONS): Define.
1058         (DWARF2_ADDR_SIZE): Define.
1059         * config/vms/vms.c (vms_patch_builtins): Adjust condition.
1060         * config/vms/vms-protos.h (vms_c_common_override_options):
1061         New prototype.
1062         * config/vms/vms-c.c (vms_pragma_pointer_size): Ignore pragma
1063         if -mno-pointer-size.
1064         (vms_c_common_override_options): New function.
1065         * config/ia64/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
1066         * config/alpha/vms.h (TARGET_DEFAULT): Remove MASK_MALLOC64.
1067         (MALLOC_ABI_ALIGNMENT): Use flag_vms_malloc64
1068         and flag_vms_pointer_size.
1069         (MASK_RETURN_ADDR): Set according to flag_vms_pointer_size.
1070         * config.gcc (*-*-*vms*): Define xm_file.
1071         (alpha*-dec-*vms*): Do not define xm_file.
1072         (alpha64-dec-*vms*): Remove.
1073         (ia64-hp-*vms*): Do not define xm_file.  Simplify tm_file
1074         and tmake_file.
1075
1076 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
1077
1078         PR tree-optimization/51721
1079         * tree-vrp.c (register_edge_assert_for_2): Add asserts for unsvar
1080         if (int) unsvar cmp CST.
1081
1082 2012-03-12  Richard Guenther  <rguenther@suse.de>
1083
1084         * tree-sra.c (create_access_replacement): Only rename the replacement
1085         if we can rewrite it into SSA form.  Properly mark register typed
1086         replacements that we cannot rewrite with TREE_ADDRESSABLE.
1087         * tree-cfg.c (verify_expr): Fix BIT_FIELD_REF verification
1088         for aggregate or BLKmode results.
1089
1090 2012-03-12  Jakub Jelinek  <jakub@redhat.com>
1091
1092         PR tree-optimization/52533
1093         * tree-vrp.c (register_edge_assert_for_2): Use double_int
1094         type for mask, only handle shifts by non-zero in-range
1095         shift count, for LE_EXPR and GT_EXPR if new_val is
1096         maximum, don't add the assertion.
1097
1098 2012-02-12  Kirill Yukhin  <kirill.yukhin@intel.com>
1099
1100         * doc/invoke.texi: Document -mrtm option.
1101         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RTM_SET): New.
1102         (OPTION_MASK_ISA_RTM_UNSET): Ditto.
1103         (ix86_handle_option): Handle OPT_mrtm.
1104         * config.gcc (i[34567]86-*-*): Add rtmintrin.h and
1105         xtestintrin.h.
1106         (x86_64-*-*): Ditto.
1107         * i386-builtin-types.def (INT_FTYPE_VOID): New.
1108         * config/i386/i386-c.c (ix86_target_macros_internal): Define
1109         __RTM__ if needed.
1110         (ix86_target_string): Define -mrtm option.
1111         (PTA_RTM): New.
1112         (ix86_option_override_internal): Extend "corei7-avx" with RTM option.
1113         Handle new option.
1114         (ix86_valid_target_attribute_inner_p): Add OPT_mrtm.
1115         (ix86_builtins): Add IX86_BUILTIN_XBEGIN, IX86_BUILTIN_XEND,
1116         IX86_BUILTIN_XTEST.
1117         (bdesc_special_args): Ditto.
1118         (ix86_init_mmx_sse_builtins): Add IX86_BUILTIN_XABORT.
1119         (ix86_expand_special_args_builtin): Handle new built-in type.
1120         (ix86_expand_builtin): Handle XABORT instruction.
1121         * config/i386/i386.h (TARGET_RTM): New.
1122         * config/i386/i386.md (UNSPECV_XBEGIN): New.
1123         (UNSPECV_XEND): Ditto.
1124         (UNSPECV_XABORT): Ditto.
1125         (UNSPECV_XTEST): Ditto.
1126         (xbegin): Ditto.
1127         (xbegin_1): Ditto.
1128         (xend): Ditto.
1129         (xabort): Ditto
1130         (xtest): Ditto.
1131         (xtest_1): Ditto.
1132         * config/i386/i386.opt (mrtm): New.
1133         * config/i386/immintrin.h: Include rtmintrin.h and xtestintrin.h.
1134         * config/i386/rtmintrin.h: New header.
1135         * config/i386/xtestintrin.h: Ditto.
1136
1137 2012-03-12  Tristan Gingold  <gingold@adacore.com>
1138
1139         * ginclude/stddef.h: Adjust previous patch.
1140         Use __VMS__ instead of VMS.
1141
1142 2012-03-12  Uros Bizjak  <ubizjak@gmail.com>
1143
1144         * config/i386/i386.md (setcc + movzbl to xor + setcc peephole2):
1145         Also convert sequences with CC setting arithmetic instruction.
1146
1147 2012-03-11  Sandra Loosemore  <sandra@codesourcery.com>
1148
1149         * doc/invoke.texi (Option Summary): Move -no-integrated-cpp
1150         from C Language Options to Preprocessor Options.
1151         (C Dialect Options): Move -no-integrated-cpp documentation
1152         from here...
1153         (Preprocessor Options): ...to here.  Rewrite the description
1154         so it makes more sense, and remove discussion of merging front ends.
1155
1156 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1157
1158         * config/i386/i386.c (ix86_expand_movmem): Use word_mode for size
1159         needed for loop.
1160         (ix86_expand_setmem): Likewise.
1161
1162 2012-03-11  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         * config/i386/i386.c (ix86_zero_extend_to_Pmode): Rewrite using
1165         convert_to_mode.
1166
1167 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1168
1169         * config/i386/i386.c (ix86_trampoline_init): Use movl for 64bit if
1170         ptr_mode == SImode.  Replace DImode with Pmode or ptr_mode.
1171
1172 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1173
1174         * config/i386/i386.c (x86_this_parameter): Replace DImode with Pmode.
1175
1176 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1177
1178         * config/i386/i386.md (lwp_slwpcb): Check Pmode instead of
1179         TARGET_64BIT.
1180
1181 2012-03-11  H.J. Lu  <hongjiu.lu@intel.com>
1182             Uros Bizjak  <ubizjak@gmail.com>
1183
1184         * config/i386/predicates.md (call_insn_operand): Allow
1185         constant_call_address_operand in Pmode only.
1186         (sibcall_insn_operand): Ditto.
1187         * config/i386/i386.md (*call): Use W mode iterator instead of P mode.
1188         (*call_vzeroupper): Ditto.
1189         (*sibcall): Ditto.
1190         (*sibcall_vzeroupper): Ditto.
1191         (*call_value): Ditto.
1192         (*call_value_vzeroupper): Ditto.
1193         (*sibcall_value): Ditto.
1194         (*sibcall_value_vzeroupper): Ditto.
1195         (*indirect_jump): Ditto.
1196         (*tablejump_1): Ditto.
1197         (indirect_jump): Convert memory address to word mode for TARGET_X32.
1198         (tablejump): Ditto.
1199         * config/i386/i386.c (ix86_expand_call): Convert indirect operands
1200         to word mode.
1201
1202 2012-03-11  Oleg Endo  <olegendo@gcc.gnu.org>
1203
1204         PR target/51244
1205         * config/sh/sh.md (movnegt): Expand into respective insns immediately.
1206         Use movrt_negc instead of negc pattern for non-SH2A.
1207         (*movnegt): Remove.
1208         (*movrt_negc, *negnegt, *movtt, *movt_qi): New insns and splits.
1209
1210 2012-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1211
1212         * config/i386/i386.c (ix86_decompose_address): Disallow fs:(reg)
1213         if Pmode != word_mode.
1214         (legitimize_tls_address): Call gen_tls_initial_exec_x32 if
1215         Pmode == SImode for TARGET_X32.
1216
1217         * config/i386/i386.md (UNSPEC_TLS_IE_X32): New.
1218         (tls_initial_exec_x32): Likewise.
1219
1220 2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>
1221
1222         PR rtl-optimization/52528
1223         * combine.c (can_combine_p): Add setting of subst_low_luid
1224         before call to expand_field_assignment().
1225
1226 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
1227
1228         * doc/invoke.texi: Use correct names/markup for "GCC", "GDB", "ld",
1229         and related program names.
1230
1231 2012-03-09  Sandra Loosemore  <sandra@codesourcery.com>
1232
1233         * doc/invoke.texi: Use correct names for "DWARF", "stabs", and "ELF".
1234
1235 2012-03-09  Uros Bizjak  <ubizjak@gmail.com>
1236
1237         PR target/52530
1238         * config/i386/i386.c (ix86_print_operand): Handle 'E' operand modifier.
1239         (ix86_print_operand_address): Handle UNSPEC_LEA_ADDR. Do not fallback
1240         to set code to 'q'.
1241         * config/i386/i386.md (UNSPEC_LEA_ADDR): New unspec.
1242         (*movdi_internal_rex64): Use %E operand modifier for lea.
1243         (*movsi_internal): Ditto.
1244         (*lea_1): Ditto.
1245         (*lea<mode>_2): Ditto.
1246         (*lea_{3,4,5,6}_zext): Ditto.
1247         (*tls_global_dynamic_32_gnu): Ditto.
1248         (*tls_global_dynamic_64): Ditto.
1249         (*tls_dynamic_gnu2_lea_32): Ditto.
1250         (*tls_dynamic_gnu2_lea_64): Ditto.
1251         (pro_epilogue_adjust_stack_<mode>_add): Ditto.
1252
1253 2012-03-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
1254
1255         * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Do not
1256         redefine to be NULL if the current bit-size is different from the
1257         configured bit-size.
1258
1259         * config/rs6000/rs6000.c (rs6000_option_override_internal): If the
1260         cpu is defaulted, use PROCESSOR_DEFAULT and PROCESSOR_DEFAULT64 to
1261         set the default tuning.  Add asserts to make sure the cpu and tune
1262         indexes are defined.  Fix tests for cpu/tune index to use >= 0 to
1263         test whether the index is set, instead of > 0.
1264         (rs6000_file_start): Do not reset the default cpu if the current
1265         bit-size is different from the configured bit-size.
1266
1267 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1268
1269         * config/vms/vms-crtlmap.map: Add comments.
1270         Add entries needed to build Ada RTS.
1271
1272 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1273
1274         * ginclude/stddef.h: Do not define __size_t on VMS.
1275
1276 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1277
1278         * c-tree.h (c_default_pointer_mode): New variable.
1279         * c-decl.c (c_default_pointer_mode): New variable.
1280         (c_build_pointer_type): New function.
1281         (grokdeclarator): Call c_build_pointer_type instead
1282         of build_pointer_type.
1283
1284         * config/vms/vms-c.c: Include c-tree.h
1285         (saved_pointer_mode): New variable.
1286         (handle_pragma_pointer_size): New function.
1287         (vms_pragma_pointer_size, vms_pragma_required_pointer_size): Likewise.
1288         (vms_c_register_pragma): Register __pointer_size and
1289         __required_pointer_size pragmas.
1290
1291 2012-03-09  Tristan Gingold  <gingold@adacore.com>
1292
1293         * config/vms/vms-c.c (vms_construct_include_filename): New function.
1294         (vms_c_register_includes): Reference it.
1295
1296 2012-03-09  Andrew Pinski  <apinski@cavium.com>
1297
1298         PR middle-end/51988
1299         * tree-ssa-phiopt.c: Include tree-pretty-print.h for
1300         print_generic_expr.
1301         (tree_ssa_phiopt_worker): Go through all the PHIs for
1302         value_replacement instead of just the singleton one.
1303         (value_replacement): Change return type to int.  Return 0 instead of
1304         false.
1305         Allow the middle basic block to contain more than just the defining
1306         statement.
1307         Handle non empty middle basic blocks.
1308         * Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
1309
1310 2012-03-09  Jiangning Liu  <jiangning.liu@arm.com>
1311
1312         * tree-scalar-evolution (interpret_rhs_expr): generate chrec for
1313         array reference and component reference.
1314         (analyze_scalar_evolution_for_address_of): New.
1315
1316 2012-03-08  Jie Zhang  <jzhang918@gmail.com>
1317
1318         PR target/49862
1319         * config/bfin/bfin.c (hwloop_optimize): Fix unused variable warnings.
1320         (hwloop_pattern_reg): Fix set but not used warning.
1321         (bfin_reorg_loops): Remove unused parameter.
1322         (bfin_reorg): Update use of bfin_reorg_loops.
1323
1324 2012-03-08  H.J. Lu  <hongjiu.lu@intel.com>
1325
1326         * config/i386/i386.c (setup_incoming_varargs_64): Use word_mode
1327         with integer parameters in registers.
1328         (gen_push): Push register in word_mode instead of Pmode.
1329         (ix86_emit_save_regs): Likewise.
1330         (ix86_emit_save_regs_using_mov): Save integer registers in word_mode.
1331         (gen_pop): Pop register in word_mode instead of Pmode.
1332         (ix86_emit_restore_regs_using_pop): Likewise.
1333         (ix86_expand_prologue): Replace Pmode with word_mode for push
1334         immediate.  Use ix86_gen_pro_epilogue_adjust_stack.  Save and
1335         restore RAX and R10 in word_mode.
1336         (ix86_emit_restore_regs_using_mov): Restore integer registers
1337         in word_mode.
1338         (ix86_expand_split_stack_prologue): Save R10_REG and restore in
1339         word_mode.
1340         (ix86_split_to_parts): Use word_mode with PUT_MODE for push.
1341         (ix86_split_long_move): Likewise.
1342
1343         * config/i386/i386.md (W): New.
1344         (*push<mode>2_prologue): Replace :P with :W.
1345         (*pop<mode>1): Likewise.
1346         (*pop<mode>1_epilogue): Likewise.
1347         (push/pop peephole2): Use word_mode scratch registers.
1348
1349 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
1350
1351         * config/i386/predicates.md (indirect_branch_operand): Simplify.
1352
1353 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
1354
1355         * config/avr/avr.md (*addhi3, addhi3_clobber): Add "w" alternative
1356         for constants in [-63,63].
1357
1358 2012-03-08  Uros Bizjak  <ubizjak@gmail.com>
1359
1360         PR target/52530
1361         Revert:
1362         2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1363
1364         * config/i386/i386.c (ix86_print_operand_address): Only handle
1365         zero-extended DImode addresses.
1366
1367 2012-03-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1368
1369         * configure.ac (gcc_cv_as_ix86_tlsldmplt): Add label.
1370         * configure: Regenerate.
1371
1372 2012-03-08  Georg-Johann Lay  <avr@gjlay.de>
1373
1374         PR target/52496
1375         * config/avr/avr.c (avr_mem_clobber): New static function.
1376         (avr_expand_delay_cycles): Add memory clobber operand to
1377         delay_cycles_1, delay_cycles_2, delay_cycles_3, delay_cycles_4.
1378         * config/avr/avr.md (unspec): Add UNSPEC_MEMORY_BARRIER.
1379         (enable_interrupt, disable_interrupt): New expander.
1380         (nopv, sleep, wdr): New expanders.
1381         (delay_cycles_1): Add memory clobber.
1382         (delay_cycles_2): Add memory clobber.
1383         (delay_cycles_3): Add memory clobber.
1384         (delay_cycles_4): Add memory clobber.
1385         (cli_sei): New insn from former "enable_interrupt",
1386         "disable_interrupt" with memory clobber.
1387         (*wdt): New insn from former "wdt" with memory clobber.
1388         (*nopv): Similar, but for "nopv".
1389         (*sleep): Similar, but for "sleep".
1390
1391 2012-03-07  Oleg Endo  <olegendo@gcc.gnu.org>
1392             Kaz Kojima  <kkojima@gcc.gnu.org>
1393
1394         PR target/52503
1395         * config/sh/sh.opt (msoft-atomic): Use Var instead of Mask.
1396         * config/sh/linux.h (TARGET_DEFAULT): Remove MASK_SOFT_ATOMIC.
1397         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1398
1399 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
1400
1401         * config/i386/predicates.md (x86_64_zext_general_operand): New.
1402         * config/i386/i386.md (*zero_extendsidi2_rex64): Change operand 1
1403         predicate to x86_64_zext_general_operand.  Accept "Z" constraint.
1404
1405 2012-03-07  Walter Lee  <walt@tilera.com>
1406
1407         * config/tilegx/tilegx.c (tilegx_expand_prologue): Don't generate
1408         REG_CFA_* notes for the stack pointer.
1409         (tilegx_expand_epilogue): Restore stack pointer by adjusting it by
1410         EH_RETURN_STACKADJ_RTX.
1411         * config/tilepro/tilepro.c (tilepro_expand_prologue): Don't
1412         generate REG_CFA_* notes for the stack pointer.
1413         (tilepro_expand_epilogue): Restore stack pointer by adjusting it
1414         by EH_RETURN_STACKADJ_RTX.
1415
1416 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1417
1418         * doc/invoke.texi (AVR Built-in Macros): Correct condition for
1419         when __AVR_3_BYTE_PC__ is defined.
1420
1421 2012-03-07  Uros Bizjak  <ubizjak@gmail.com>
1422
1423         * config/i386/i386.c (ix86_print_operand_punct_valid_p): Add '^'.
1424         (ix86_print_operand): Handle '^'.
1425         * config/i386/i386.md (*strmovdi_rex_1): Macroize memory operands
1426         using P mode iterator.  Add %^ to asm template to conditionally emit
1427         addr32 prefix.
1428         (*rep_movdi_rex64): Ditto.
1429         (*strsetdi_rex_1): Ditto.
1430         (*rep_stosdi_rex64): Ditto.
1431         (*strmov{si,hi,qi}_1): Add %^ to asm template to
1432         conditionally emit addr32 prefix.
1433         (*rep_mov{si,qi}): Ditto.
1434         (*strset{si,hi,qi}): Ditto.
1435         (*rep_stos{si,qi}): Ditto.
1436         (*cmpstrnqi_nz_1): Ditto.
1437         (*cmpstrnqi_1): Ditto.
1438         (*strlenqi_1): Ditto.
1439
1440 2012-03-07  H.J. Lu  <hongjiu.lu@intel.com>
1441
1442         * config/i386/i386.c (function_value_64): Return pointers in
1443         word_mode instead of Pmode.
1444         (ix86_promote_function_mode): Likewise.
1445
1446 2012-03-07  Richard Guenther  <rguenther@suse.de>
1447
1448         * coverage.c (get_gcov_type): Use type_for_mode.
1449         (get_gcov_unsigned_t): Likewise.
1450         * expr.c (store_constructor): Use type_for_mode.
1451         (try_casesi): Likewise.
1452         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates_for_size): Remove.
1453         (add_standard_iv_candidates): Use standard type trees.
1454         * dojump.c (do_jump): Remove dead code.
1455
1456 2012-03-07  Richard Guenther  <rguenther@suse.de>
1457
1458         * c-typeck.c (pointer_diff): Use c_common_type_for_size.
1459
1460 2012-03-07  Richard Guenther  <rguenther@suse.de>
1461
1462         * convert.c (strip_float_extensions): Move ...
1463         * tree.c (strip_float_extensions): ... here.
1464
1465 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1466
1467         PR target/52484
1468         * config/avr/avr.md (xload<mode>_A): Add R22... to register footprint.
1469
1470 2012-03-07  Richard Guenther  <rguenther@suse.de>
1471
1472         * omp-low.c (extract_omp_for_data): Use signed_type_for.
1473         (expand_omp_for_generic): Likewise.
1474         (expand_omp_for_static_nochunk): Likewise.
1475         (expand_omp_for_static_chunk): Likewise.
1476         * tree-vect-stmts.c (vect_gen_perm_mask): Use type_for_mode.
1477         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
1478         * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
1479         Use unsigned_type_for.
1480         (vect_create_cond_for_align_checks): Use signed_type_for.
1481
1482 2012-03-07  Andrey Belevantsev  <abel@ispras.ru>
1483
1484         PR rtl-optimization/52203
1485         * sel-sched.c (estimate_insn_cost): New parameter pempty.  Adjust
1486         all callers to pass NULL except ...
1487         (reset_sched_cycles_in_current_ebb): ... here, save the value
1488         in new variable 'empty'.  Increase issue_rate only for
1489         non-empty insns.
1490
1491 2012-03-07  Ralf Corsépius  <ralf.corsepius@rtems.org>
1492
1493         PR target/51417
1494         * Makefile.in: Let install-gcc-ar depend on installdirs,
1495         gcc-ar$(exeext), gcc-nm$(exeext), gcc-ranlib$(exeext).
1496         Don't double canonicalize if cross-compiling.
1497
1498 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1499
1500         PR target/52506
1501         * gcc/config/avr/avr.c (expand_epilogue): Fix order of restoration
1502         to: RAMPZ, RAMPY, RAMPX, RAMPD.
1503         (expand_prologue): Only clear RAMPZ if it has effect on RAM-read.
1504
1505 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1506
1507         PR target/52505
1508         * config/avr/avr.c (avr_out_xload): Don't read unintentionally
1509         from RAM.
1510         * config/avr/avr.md (xload_8): Adjust insn length.
1511
1512 2012-03-07  Georg-Johann Lay  <avr@gjlay.de>
1513
1514         PR target/52461
1515         * gcc/config/avr/avr.c (avr_out_lpm): Clear RAMPZ after usage
1516         if RAMPZ affects reading from RAM.
1517
1518 2012-03-07  Richard Guenther  <rguenther@suse.de>
1519
1520         PR pch/52518
1521         PR pch/38987
1522         * doc/invoke.texi (Precompiled Headers): Remove sentence that
1523         suggests you can include PCHs from inside another header.
1524
1525 2012-03-07  Richard Sandiford  <rdsandiford@googlemail.com>
1526
1527         PR middle-end/52515
1528         * rtl.h (pc_rtx, cc0_rtx, ret_rtx, simple_return_rtx): Add GTY markers.
1529
1530 2012-03-07  Kai Tietz  <ktietz@redhat.com>
1531
1532         * doc/invoke.texi (fwritable-relocated-rdata): Document
1533         new Cygwin/MinGW target option.
1534         * config/i386/winnt.c (i386_pe_unique_section): Ignore
1535         reloc if flag -fwritable-relocated-rdata is not set.
1536         (i386_pe_section_type_flags): Likewise.
1537         * config/i386/cygming.opt (fwritable-relocated-rdata):
1538         Add new flag variable flag_writable_rel_rdata.
1539
1540 2012-03-07  Richard Guenther  <rguenther@suse.de>
1541
1542         * tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
1543         precision against gimple constraints.
1544
1545 2012-03-06  Richard Sandiford  <rdsandiford@googlemail.com>
1546
1547         PR middle-end/52372
1548         * rtl.h (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): Redefine as
1549         variables.
1550         (GR_PC, GR_CC0, GR_RETURN, GR_SIMPLE_RETURN): Delete.
1551         * emit-rtl.c (pc_rtx, ret_rtx, simple_return_rtx, cc0_rtx): New
1552         variables.
1553         (init_emit_regs): Move associated initialization to...
1554         (init_emit_once): ...here.
1555
1556 2012-03-06  Richard Henderson  <rth@redhat.com>
1557
1558         * config/m68k/m68k.h (ISA_HAS_TAS): New.
1559         * config/m68k/sync.md (atomic_test_and_set): Use it.
1560         (atomic_test_and_set_1): Likewise.
1561
1562 2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
1563
1564         PR target/50310
1565         * config/rs6000/vector.md (vector_uneq<mode>): Add support for
1566         UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
1567         (vector_ltgt<mode>): Likewise.
1568         (vector_ordered<mode>): Likewise.
1569         (vector_unordered<mode>): Likewise.
1570         * config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.
1571
1572 2012-03-06  Aldy Hernandez  <aldyh@redhat.com>
1573
1574         * trans-mem.c: New typedef for tm_region_p.
1575         Define vector types for tm_region_p.
1576         (tm_region_init): Replace region_worklist to a vector called
1577         bb_regions.
1578
1579 2012-03-06  Richard Guenther  <rguenther@suse.de>
1580
1581         * fold-const.c (build_fold_addr_expr_with_type_loc): Fold
1582         MEM_REF with constant pointer operand.
1583
1584 2012-03-06  Richard Guenther  <rguenther@suse.de>
1585
1586         PR middle-end/52493
1587         * tree-ssa-alias.c (ptr_derefs_may_alias_p): Robustify.
1588
1589 2012-03-06  Tristan Gingold  <gingold@adacore.com>
1590
1591         * config/vms/vms-c.c (vms_pragma_nomember_alignment): Handle octaword.
1592         (external_model_kind): Improve documentation.
1593         (vms_pragma_extern_model): Handle relaxed_redef.
1594         (vms_c_register_pragma): Allow expansion for nomember_alignment.
1595
1596 2012-03-06  Georg-Johann Lay  <avr@gjlay.de>
1597
1598         * doc/invoke.texi (AVR Options): -mmcu=: Document the XMEGA cores.
1599         Explain RAMPD, RAMPX, RAMPDY, RAMPZ usage by avr-gcc.
1600         Some more notes on EIND usage and reorder EIND subsection.
1601
1602 2012-03-06  Tristan Gingold  <gingold@adacore.com>
1603
1604         * config/vms/vms.c (VMS_CRTL_LDBL): Rename from VMS_CRTL_PRNTF.
1605         * config/vms/vms-crtlmap.map: Rename PRNTF to LDBL.
1606
1607 2012-03-06  Tristan Gingold  <gingold@adacore.com>
1608
1609         * config/vms/t-vmsnative (version): Define.
1610         * config/vms/t-vms (STMP_FIXPROTO, STMP_FIXINC, version): Remove.
1611
1612 2012-03-06  Andrey Belevantsev  <abel@ispras.ru>
1613
1614         PR rtl-optimization/52250
1615         * sel-sched-ir.c (maybe_tidy_empty_bb): Try harder to find a bb
1616         to put note list into.  Unconditionally call move_bb_info.
1617         (move_bb_info): Do not assert the blocks being in the same region,
1618         just drop the note list if they are not.
1619
1620 2012-03-06  Oleg Endo  <olegendo@gcc.gnu.org>
1621
1622         PR target/51244
1623         * config/sh/sh.c (sh_expand_t_scc): Remove SH2A special case
1624         and use unified expansion logic.
1625         * config/sh/sh.md (xorsi3_movrt): Rename to movrt.  Move
1626         closer to the existing movt insn.
1627         (negc): Rename insn to *negc.  Add new expander.
1628         (movnegt): Use xor pattern for T bit negation.  Reserve helper
1629         constant for negc pattern.
1630         (*movnegt): New insn and splitter.
1631
1632 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
1633
1634         * c-typeck.c (pointer_diff): Check for POINTER_PLUS_EXPR, not
1635         PLUS_EXPR.
1636
1637 2012-03-05  Richard Henderson  <rth@redhat.com>
1638
1639         * genemit.c (main): Include "target.h" in insn-emit.c.
1640         * Makefile.in (insn-emit.o): Depend on TARGET_H.
1641         * config/sh/sync.md (atomic_test_and_set): Reference
1642         targetm.atomic_test_and_set_trueval instead of
1643         TARGET_ATOMIC_TEST_AND_SET_TRUEVAL.
1644
1645 2012-03-05  Joern Rennecke  <joern.rennecke@embecosm.com>
1646
1647         * config/epiphany/epiphany.c (epiphany_function_value_regno_p):
1648         Make static.
1649
1650 2012-03-05  Steven Bosscher  <steven@gcc.gnu.org>
1651
1652         * langhooks.c (add_builtin_type): New function.
1653         * langhooks.h (add_builtin_type): Export it.
1654         * config/mep/mep.c (mep_init_builtins): Use it.
1655         * config/rs6000/rs6000.c (rs6000_init_builtins): Use it.
1656
1657 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
1658
1659         PR debug/51902
1660         * tree.h (BLOCK_SAME_RANGE): Define.
1661         * function.c (block_fragments_nreverse): Clear BLOCK_SAME_RANGE
1662         if BLOCK_FRAGMENT_CHAIN is non-NULL, but has it cleared.
1663         Also clear BLOCK_SAME_RANGE if fragment chain's supercontext fragment
1664         isn't equal to supercontext fragment's fragment chain.
1665         Adjust BLOCK_SUPERCONTEXT to point to supercontext fragment's
1666         fragment origin.
1667         (blocks_nreverse_all): Likewise.
1668         (reorder_blocks_1): Compute BLOCK_SAME_RANGE bits.  Set
1669         BLOCK_SUPERCONTEXT to supercontext fragment instead of
1670         supercontext fragment's fragment origin.
1671         * dwarf2out.c (add_high_low_attributes): If stmt has the same
1672         range as its parent (or parents thereof etc.), use the parent's
1673         DW_AT_ranges value instead of creating a new .debug_ranges range.
1674
1675 2012-03-05  Richard Henderson  <rth@redhat.com>
1676
1677         PR tree-opt/52242
1678         Revert: 2011-11-26  Richard Henderson  <rth@redhat.com>
1679         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1680         BIGGEST_ALIGNMENT is aligned.
1681
1682 2012-03-05  Richard Henderson  <rth@redhat.com>
1683
1684         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Move...
1685         * config/sh/sh.c: ... here.
1686
1687 2012-03-05  Richard Henderson  <rth@redhat.com>
1688
1689         PR target/52481
1690         * config/m68k/sync.md (atomic_test_and_set): Use expand_simple_unop
1691         instead of calling negqi2 directly.
1692
1693 2012-03-05  Aldy Hernandez  <aldyh@redhat.com>
1694
1695         PR middle-end/52463
1696         * trans-mem.c (tm_region_init): Use last_basic_block.
1697
1698 2012-03-05  Oleg Endo  <olegendo@gcc.gnu.org>
1699
1700         * config/sh/sh.h (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New hook.
1701         * config/sh/sync.md (atomic_test_and_set): New expander.
1702         (tasb, atomic_test_and_set_soft): New insns.
1703         * config/sh/sh.opt (menable-tas): New option.
1704         * doc/invoke.texi (SH Options): Document it.
1705
1706 2012-03-05  Richard Guenther  <rguenther@suse.de>
1707
1708         * cfgloop.c (verify_loop_structure): Verify dominators before
1709         using them.
1710         * graphite-clast-to-gimple.c (graphite_verify): Do not verify
1711         dominators from here.
1712         * graphite-scop-detection.c (create_sese_edges): Likewise.
1713         * loop-doloop.c (doloop_optimize_loops): Likewise.
1714         * loop-init.c (loop_optimizer_init): Likewise.
1715         * loop-unroll.c (unroll_and_peel_loops): Likewise.
1716         * loop-unswitch.c (unswitch_loops): Likewise.
1717         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
1718         * tree-parloops.c (parallelize_loops): Likewise.  Verify
1719         only when checking is enabled.
1720         * tree-loop-distribution.c (tree_loop_distribution): Likewise.
1721
1722 2012-03-05  Bernd Schmidt  <bernds@codesourcery.com>
1723
1724         * genautomata.c (parse_automata_opt): New static function.
1725         (initiate_automaton_gen): Remove all option handling code.  Remove
1726         argc argument.  All callers changed.
1727         (main): Call init_rtx_reader_args_cb with the new function as argument.
1728
1729 2012-03-05  Richard Guenther  <rguenther@suse.de>
1730
1731         * cfgexpand.c (gimple_expand_cfg): Free dominator info.
1732         * tree-if-conv.c (combine_blocks): Free post-dominator info
1733         after breaking it.
1734         * tree-parloops.c (create_parallel_loop): Free and re-compute
1735         dominator info after breaking it.
1736
1737 2012-03-05  Richard Guenther  <rguenther@suse.de>
1738
1739         PR middle-end/52353
1740         * optabs.h (trapv_unoptab_p): New function.
1741         (trapv_binoptab_p): Likewise.
1742         * optabs.c (expand_binop): Use emit_libcall_block_1 with
1743         a proper equiv_may_trap argument.
1744         (expand_unop): Likewise.
1745         (emit_libcall_block_1): Take extra argument whether the
1746         instruction may trap.  Renamed from ...
1747         (emit_libcall_block): ... this.  New wrapper.
1748
1749 2012-03-05  Jakub Jelinek  <jakub@redhat.com>
1750
1751         PR tree-optimization/51721
1752         * tree-vrp.c (register_edge_assert_for_2): If comparing
1753         lhs of right shift by constant with an integer constant,
1754         add ASSERT_EXPRs for the rhs1 of the right shift.
1755
1756         * cfgrtl.c (cfg_layout_merge_blocks): Cleanup.
1757
1758 2012-03-05  Richard Guenther  <rguenther@suse.de>
1759
1760         * tree.c (integer_zerop): Handle VECTOR_CSTs.
1761         (integer_onep): Likewise.
1762         (integer_all_onesp): Likewise.
1763
1764 2012-03-05  Georg-Johann Lay  <avr@gjlay.de>
1765
1766         * config/avr/avr.md (*umaddqihi4.2): New insn-and-split.
1767
1768 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1769
1770         * config/i386/i386.c (pro_epilogue_adjust_stack): Check Pmode
1771         instead of TARGET_64BIT.
1772
1773 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1774
1775         * config/i386/i386.c (ix86_expand_prologue): Check Pmode to set
1776         adjust_stack_insn.
1777
1778 2012-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1779
1780         * config/i386/i386.c (ix86_print_operand_address): Only handle
1781         zero-extended DImode addresses.
1782
1783 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
1784
1785         * config/i386/i386.c (ix86_print_operand) <case '+'>: Declare
1786         taken and cputaken as bool.
1787
1788 2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         * config/i386/constraints.md (Ya): New internal constraint.
1791         * config/i386/i386.md (zero_extendsidi2): Remove expansion.
1792         (*zero_extendsidi2_rex64): Add x,x alternative.
1793         (*zero_extendsidi2): Ditto.  Add o,0 alternative.
1794         Remove flags reg clobber.  Adjust corresponding splits.
1795         (zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
1796         zero_extendqisi2 expanders using SWI12 mode iterator.
1797         (zero_extend<mode>si2_and): Macroize insn from
1798         zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
1799         splitters.
1800         (*zero_extend<mode>si2):  Macroize insn from
1801         *zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
1802         (*zero_extend*2_movzbl_and): Remove insn patterns.
1803         (zero_extendqihi2_and): Merge corresponding splitter.
1804         (*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
1805         (*zero_extend*2_movzbl_and): Remove insn patterns.
1806         (*anddi_1): Split TYPE_IMOVX instructions.
1807         (*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
1808         (*andhi_1): Ditto.
1809         (and->zext splitter): Add splitter pattern.
1810         (zero extend with andsi3 splitter): Adjust zero_extend pattern.
1811
1812 2012-03-04  Sandra Loosemore  <sandra@codesourcery.com>
1813
1814         * doc/invoke.texi (C++ Dialect Options): Minor copy-edits to
1815         x86-specific text.
1816         (Debugging Options): Likewise.
1817         (Optimize Options): Likewise.
1818         (i386 and x86-64 Options): Discuss -march before -mtune, consistently
1819         with other architectures.  Use official processor names with correct
1820         spelling/capitalization.  Fix formatting and grammar issues.
1821         (i386 and x86-64 Windows Options): Similar cleanup here.
1822
1823 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1824
1825         * config/sh/sh.md (abssi2): Add TARGET_SH1 condition.
1826
1827 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1828
1829         * config/sh/sh.c (sh_dwarf_register_span): Don't apply
1830         DBX_REGISTER_NUMBER.
1831
1832 2012-03-03  Kaz Kojima  <kkojima@gcc.gnu.org>
1833
1834         * config/sh/sh.c (shiftcosts): Return MAX_COST when the first
1835         operand is CONST_INT.  Take COSTS_N_INSNS into account.
1836         (sh_rtx_costs): Don't apply COSTS_N_INSNS to the return value
1837         of shiftcosts.
1838
1839 2012-03-02  Richard Henderson  <rth@redhat.com>
1840
1841         * optabs.c (expand_atomic_test_and_set): Honor
1842         atomic_test_and_set_trueval even when atomic_test_and_set
1843         optab is not in use.
1844
1845 2012-03-02  Kaz Kojima  <kkojima@gcc.gnu.org>
1846
1847         PR target/48596
1848         PR target/48806
1849         * config/sh/sh.c (sh_register_move_cost): Increase cost between
1850         GENERAL_REGS and FP_REGS for SImode.
1851
1852 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1853
1854         PR target/49486
1855         * config/sh/sh.md (negdi2): Add TARGET_SH1 condition.
1856         (absdi2): New expander.
1857         (*absdi2, *negabsdi2, negdi_cond): New insns and splits.
1858
1859 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1860
1861         * config/sh/sync.md (atomic_exchange<mode>): New expander.
1862         (atomic_exchange<mode>_soft): New insn.
1863
1864 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1865
1866         * config/sh/sync.md: Update copyright notice dates.
1867         (atomic_compare_and_swap<mode>): Use SImode for return value instead
1868         of QImode.
1869         (atomic_compare_and_swap<mode>_soft): Likewise.
1870
1871 2012-03-02  Oleg Endo  <olegendo@gcc.gnu.org>
1872
1873         PR target/31640
1874         * config/sh/sh.h (LOOP_ALIGN): Move logic to sh_loop_align.
1875         * config/sh/sh.c: Update copyright notice dates.
1876         (sh_loop_align): Add logic from LOOP_ALIGN.  Don't disable loop
1877         alignment for TARGET_HARD_SH4.
1878         (sh_option_override): Reduce default function alignment.  Set
1879         loop alignment to 4 bytes when not optimizing for size.
1880
1881 2012-03-02  Maxim Kuvyrkov  <maxim@codesourcery.com>
1882
1883         PR middle-end/50335
1884         * doc/invoke.texi (floop-flatten): Remove.
1885         * toplev.c (process_options): Remove references to flag_loop_flatten.
1886         * tree-ssa-loop.c (gate_graphite_transform): Same.
1887         * common.opt (floop-flatten): Obsolete.
1888         * graphite-poly.c (apply_poly_transforms): Remove reference to
1889         flag_loop_flatten.
1890         * Makefile.in (graphite-flattening.o): Remove.
1891         * graphite-flattening.c: Remove.
1892
1893 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
1894
1895         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
1896         having mode compatible with the mode of previous compare.  Substitute
1897         compare mode of previous compare with the mode, compatible
1898         with eliminated and previous compare.
1899
1900 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1901
1902         * config/rs6000/dfp.md (floatdidd2): New define_insn.
1903
1904 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
1905
1906         * config/i386/i386.c (ix86_cc_modes_compatible): Declare CCZmode
1907         compatible with CCGOCmode and CCGCmode.
1908
1909 2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>
1910
1911         * config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.
1912
1913 2012-03-02  Ulrich Weigand  <ulrich.weigand@linaro.org>
1914
1915         * config/arm/arm.c (arm_sat_operator_match): New function.
1916         * config/arm/arm-protos.h (arm_sat_operator_match): Add prototype.
1917         * config/arm/arm.md ("insn" attribute): Add "sat" value.
1918         ("SAT", "SATrev"): New code iterators.
1919         ("SATlo", "SAThi"): New code iterator attributes.
1920         ("*satsi_<SAT:code>"): New pattern.
1921         ("*satsi_<SAT:code>_shift"): Likewise.
1922         * config/arm/arm-fixed.md ("arm_ssatsihi_shift"): Add "insn"
1923         and "shift" attributes.
1924         ("arm_usatsihi"): Add "insn" attribute.
1925         * config/arm/predicates.md (sat_shift_operator): Allow multiplication
1926         by powers of two.  Do not allow shift by 32.
1927
1928 2012-03-02  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         PR target/46716
1931         * config/i386/i386.c (construct_container): Use gen_reg_or_parallel
1932         to pass the argument in the register of "natural" mode.
1933
1934 2012-03-02  Richard Guenther  <rguenther@suse.de>
1935
1936         PR tree-optimization/52406
1937         * tree-data-ref.h: Update documentation about DR_BASE_OBJECT.
1938         (struct indices): Add unconstrained_base member.
1939         (struct dr_alias): Remove unused vops member.
1940         (DR_UNCONSTRAINED_BASE): New define.
1941         * tree-data-ref.c (dr_analyze_indices): For COMPONENT_REFs
1942         add indices to allow their disambiguation.  Make DR_BASE_OBJECT
1943         be an artificial access that covers the whole indexed object,
1944         or mark it with DR_UNCONSTRAINED_BASE if we cannot do so.  Canonicalize
1945         plain decl base-objects to their MEM_REF variant.
1946         (dr_may_alias_p): When the base-object of either data reference
1947         has unknown size use only points-to information.
1948         (compute_affine_dependence): Make dumps easier to read and
1949         more verbose.
1950         * tree-vect-data-ref.c (vector_alignment_reachable_p): Use
1951         DR_REF when looking for packed references.
1952         (vect_supportable_dr_alignment): Likewise.
1953
1954 2012-03-02  Greta Yorsh  <Greta.Yorsh@arm.com>
1955
1956         * config/arm/arm-ldmstm.ml (write_ldm_commutative_peephole):
1957         Improve conditions for peepholes of loads followed by commutative
1958         operators.
1959         * config/arm/ldmstm.md: Regenerated.
1960
1961 2012-03-02  Richard Guenther  <rguenther@suse.de>
1962
1963         * BASE-VER: Set to 4.8.0.
1964
1965 2012-03-01  Richard Earnshaw  <rearnsha@arm.com>
1966
1967         * config.gcc (obsolete): Add all ARM targets using the FPA.
1968         (with_fpu): Obsolete selection of the FPA or Maverick on ARM.
1969         * doc/install.texi: Avoid references to obsolete ARM ports.
1970
1971 2012-03-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1972
1973         * config/epiphany/epiphany.md (movmisalign<mode>): New patterns.
1974
1975 2012-03-01  Jeremy Bennett  <jeremy.bennett@embecosm.com>
1976             Joern Rennecke  <joern.rennecke@embecosm.com>
1977
1978         * doc/extend.texi: Expand and update information on interrupt
1979         attribute for Epiphany.
1980
1981 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1982
1983         * config/sh/sh-protos.h: Update copyright notice dates.
1984         * config/sh/sh.h: Likewise.
1985         * config/sh/sh.md: Likewise.
1986         * config/sh/constraints.md: Likewise.
1987         * config/sh/predicates.md: Likewise.
1988
1989 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1990
1991         * config/sh/sh-protos.h (tertiary_reload_operand): Remove dead function.
1992         * config/sh/sh.c (tertiary_reload_operand): Likewise.
1993
1994 2012-03-01  Oleg Endo  <olegendo@gcc.gnu.org>
1995
1996         * config/sh/constraints.md: Fix comment typo.
1997
1998 2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1999
2000         PR target/52408
2001         * config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
2002         unsigned HOST_WIDE_INT.
2003         (zvdep_imm64): Likewise.
2004         (vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
2005         (vdepi_and): Likewise.
2006         Likewise for unamed 64-bit patterns.
2007         * config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.
2008
2009 2012-03-01  Alexandre Oliva  <aoliva@redhat.com>
2010
2011         PR debug/52001
2012         PR rtl-optimization/52417
2013         * cselib.c (cselib_any_perm_equivs): New variable.
2014         (cselib_reset_table): Check that it's not set when not
2015         preserving constants.
2016         (cselib_add_permanent_equiv): Set it.
2017         (cselib_have_permanent_equivalences): New.
2018         (cselib_init, cselib_finish): Reset it.
2019         * cselib.h (cselib_have_permanent_equivalences): Declare.
2020         * alias.c (get_addr): Restore earlier behavior when there
2021         aren't permanent equivalences.
2022
2023 2012-03-01  Steven Bosscher  <steven@gcc.gnu.org>
2024
2025         * config/mn10300/mn10300-modes.def: Fix copyright notice.
2026         * config/v850/v850-modes.def: Fix copyright notice.
2027
2028 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2029
2030         * doc/extend.texi (AVR Built-in Functions): Document
2031         __builtin_avr_flash_segment.
2032
2033         * config/avr/builtins.def (__builtin_avr_flash_segment): New entry.
2034         * config/avr/avr.md (flash_segment, flash_segment1): New expanders.
2035         (*split.flash_segment): New insn-and-split.
2036         * config/avr/avr.c (avr_init_builtins): Add local variables:
2037         const_memx_void_node, const_memx_ptr_type_node,
2038         char_ftype_const_memx_ptr.
2039
2040 2012-03-01  Jakub Jelinek  <jakub@redhat.com>
2041
2042         PR tree-optimization/52445
2043         * tree-ssa-phiopt.c (struct name_to_bb): Remove ssa_name field,
2044         add ssa_name_ver, offset and size fields and change store field
2045         to bool.
2046         (name_to_bb_hash, name_to_bb_eq): Adjust for the above changes.
2047         (add_or_mark_expr): Likewise.  Only consider previous stores
2048         with the same size and offset.
2049         (nt_init_block): Only look at gimple_assign_single_p stmts,
2050         doesn't look at rhs2.
2051
2052 2012-03-01  Richard Guenther  <rguenther@suse.de>
2053
2054         PR middle-end/52443
2055         * tree-cfg.c (verify_gimple_assign_unary): Allow any
2056         conversions from integral types to pointer types.
2057
2058 2012-03-01  Georg-Johann Lay  <avr@gjlay.de>
2059
2060         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Restore built-in
2061         defines for __UINT24_MAX__, __INT24_MAX__, __INT24_MIN__
2062         unintentionally removed in r184616.
2063
2064 2012-03-01  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2065
2066         * doc/invoke.texi: Document AMD bdver2 and remove mentioning
2067         3DNow from bdver1.
2068
2069 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2070             Uros Bizjak  <ubizjak@gmail.com>
2071
2072         PR target/52437
2073         * config/i386/sse.md (vec_set<mode>_0): Swap "*r" and "fF"
2074         alternatives, add "e" constraint to the new last alternative
2075         and ! to last 3 alternatives.
2076
2077 2012-02-29  Eric Botcazou  <ebotcazou@adacore.com>
2078
2079         * dwarf2out.c (modified_type_die): Set DW_AT_GNAT_descriptive_type and
2080         DW_AT_artificial attributes at the end of the processing.
2081         (gen_array_type_die): Likewise.
2082         (gen_enumeration_type_die): Likewise.
2083         (gen_struct_or_union_type_die): Likewise.
2084         (add_gnat_descriptive_type_attribute): Do not suppress debug info for
2085         the parent type.
2086
2087 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2088
2089         PR middle-end/52419
2090         * expr.c (expand_assignment): If doing misaligned store that doesn't
2091         cover all mode bits, perform a RMW cycle.
2092
2093         PR tree-optimization/52429
2094         * tree-parloops.c (separate_decls_in_region_debug): Return early
2095         if var is LABEL_DECL.
2096
2097 2012-02-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2098
2099         PR tree-optimization/52424
2100         * tree-ssa-dom.c (dom_opt_leave_block): Push a marker before
2101         calling dom_thread_across_edge.
2102
2103 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2104
2105         * config/avr/avr.c: Move definition of TARGET macros to end of file.
2106
2107 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2108
2109         * config/avr/avr-protos.h (avr_output_bld): Remove unused prototype.
2110         * config/avr/avr.c (avr_output_bld): Remove unused function.
2111         (avr_out_sbxx_branch): Use "%T" to print bit position.
2112
2113 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2114
2115         * config/avr/avr.md: Untabify.
2116
2117 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2118
2119         * config/avr/avr.md (eqne): New code iterator.
2120         (*dec-and-branchsi): Use it in text peephole's condition.
2121         (*dec-and-branchhi): Ditto.
2122         (*dec-and-branchqi): Ditto.
2123
2124 2012-02-29  Georg-Johann Lay  <avr@gjlay.de>
2125
2126         PR target/49939
2127         * config/avr/avr.h (ASM_SPEC): Add -mno-skip-bug if we know that
2128         the device does not have the skip-bug.
2129
2130 2012-02-29  Oleg Endo  <olegendo@gcc.gnu.org>
2131
2132         * doc/invoke.texi (-msoft-atomic): Add more detailed description.
2133         (-mbranch-cost, -mcbranchdi -mcmpeqdi -mfused-madd
2134         -mpretend-cmove): New.
2135
2136 2012-02-29  Jakub Jelinek  <jakub@redhat.com>
2137
2138         PR bootstrap/52397
2139         * df.h (struct df_d): Adjust comment that hard_regs_live_count
2140         doesn't count DEBUG_INSN refs.
2141         * df-scan.c (df_ref_create_structure): Don't set DF_HARD_REG_LIVE
2142         for DEBUG_INSN refs.
2143
2144 2012-02-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2145
2146         Partially revert:
2147
2148         2012-02-20  Richard Guenther  <rguenther@suse.de>
2149         PR tree-optimization/52298
2150         * tree-vect-stmts.c (vectorizable_load): Properly use
2151         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2152         outer loops.
2153
2154 2012-02-28  Aldy Hernandez  <aldyh@redhat.com>
2155
2156         PR middle-end/51752
2157         * gimple.h (gimple_in_transaction): New.
2158         (gimple_set_in_transaction): New.
2159         (struct gimple_statement_base): Add in_transaction field.
2160         * tree-ssa-loop-im.c: (movement_possibility): Restrict movement of
2161         transaction loads.
2162         (tree_ssa_lim_initialize): Compute transaction bits.
2163         * tree.h (compute_transaction_bits): Protoize.
2164         * trans-mem.c (tm_region_init): Use the heap to store BB
2165         auxilliary data.
2166         (compute_transaction_bits): New.
2167
2168 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2169
2170         * gcc.c (display_help): Document --help=common and sort entries
2171         alphabetically.
2172
2173 2012-02-28  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2174
2175         * doc/install.texi: Document check-$LANG specific shortcuts
2176
2177 2012-02-28  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2178
2179         PR target/51534
2180         * config/arm/arm.c (neon_builtin_data): Add entries for vcgeu
2181         and vcgtu.
2182         * config/arm/arm_neon.h: Regenerate.
2183         * config/arm/neon.md (unspec): Add UNSPEC_VCGEU, and UNSPEC_VCGTU.
2184         (neon_vcgeu): New insn.
2185         (neon_vcgtu): Likewise.
2186         * config/arm/neon.ml (s_8_32, u_8_32): New lists.
2187         (ops): Unsigned comparison intrinsics call a different builtin.
2188
2189 2012-02-28  Richard Guenther  <rguenther@suse.de>
2190
2191         PR target/52407
2192         * config/i386/i386.c (ix86_expand_vector_set): Fix element
2193         ordering for the VEC_CONCAT for two element vectors for
2194         V2SFmode, V2SImode and V2DImode.
2195
2196 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2197
2198         PR target/49448
2199         * config.gcc (arm*-*-linux*): Use an unambiguous pattern for
2200         detecting big-endian triplets.
2201
2202 2012-02-28  Richard Earnshaw  <rearnsha@arm.com>
2203
2204         * arm.c (aapcs_vfp_is_call_or_return_candidate): Only use the machine
2205         mode if there is no type information available.
2206
2207 2012-02-28  Thomas Koenig  <tkoenig@gcc.gnu.org>
2208
2209         PR tree-optimization/53207
2210         * doc/invoke.texi: Document as experimental and relying on graphite.
2211
2212 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2213
2214         * config/avr/avr-devices.c (avr_mcu_type): Adjust NULL part
2215         of initializer to changes from r184614.
2216
2217 2012-02-28  Richard Guenther  <rguenther@suse.de>
2218
2219         PR tree-optimization/52395
2220         * tree-sra.c (build_ref_for_offset): Also look at the base
2221         TYPE_ALIGN when figuring out the alignment of the replacement.
2222
2223 2012-02-28  Richard Guenther  <rguenther@suse.de>
2224
2225         PR tree-optimization/52402
2226         * ipa-prop.c (ipa_modify_call_arguments): Properly use
2227         mis-aligned types when creating the accesses at the call site.
2228
2229 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2230
2231         * config/avr/builtins.def: New file.
2232         * config/avr/t-avr (avr.o, avr-c.o): Depend on it.
2233         * config/avr/avr.c (enum avr_builtin_id): Use it.
2234         (avr_init_builtins): Use it. And use avr_bdesc.
2235         (bdesc_1arg): Remove.
2236         (bdesc_2arg): Remove.
2237         (bdesc_3arg): Remove.
2238         (struct avr_builtin_description): Add field n_args.
2239         (avr_bdesc): New static variable using builtins.def.
2240         (avr_expand_builtin): Use it.
2241         Don't call avr_expand_delay_cycles if op0 is not CONST_INT.
2242         (avr_fold_builtin): Fold AVR_BUILTIN_SWAP.
2243         Don't fold AVR_BUILTIN_INSERT_BITS if arg0 is not INTEGER_CST.
2244
2245 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2246
2247         PR target/52148
2248         * config/avr/avr.md (movmem_<mode>): Replace match_operand that
2249         match only one single hard register with respective hard reg rtx.
2250         (movmemx_<mode>): Ditto.
2251         * config/avr/avr.c (avr_emit_movmemhi): Adapt expanding to new
2252         insn anatomy of movmem[x]_<mode>.
2253         (avr_out_movmem): Same for printing assembler and operand usage.
2254
2255 2012-02-28  Georg-Johann Lay  <avr@gjlay.de>
2256
2257         PR target/49868
2258         PR target/52261
2259         * doc/extend.texi (AVR Named Address Spaces): No more try to fix
2260         address spaces located outside of device flash.
2261
2262         * config/avr/avr.h (base_arch_s): Remove field n_segments.
2263         (mcu_type_s): Add field n_flash.
2264         * config/avr/avr-devices.c (avr_arch_types): Remove .n_segments.
2265         Set .have_elpm and .have_elpmx to 1 for avrxmega4 and avrxmega5.
2266         (AVR_MCU): Add N_FLASH argument.
2267         * config/avr/avr-mcus.def (AVR_MCU): Add initializer for .n_flash.
2268         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Only define built-in
2269         macro __FLASH<n> if that address space makes sense for the device.
2270         * config/avr/avr.c (avr_out_lpm): Don't try to fix address spaces
2271         outside of target flash.
2272         (avr_asm_named_section): Ditto.
2273         (avr_asm_select_section): Ditto.
2274         (avr_addr_space_convert): Ditto.
2275         (avr_emit_movmemhi): Ditto.
2276         (avr_nonconst_pointer_addrspace, avr_pgm_check_var_decl): Error if
2277         address space is outside of device flash.
2278         (avr_insert_attributes): Ditto.
2279         (avr_xload_libgcc_p): Use avr_current_device->n_flash instead of
2280         avr_current_arch->n_segments.
2281
2282 2012-02-27  H.J. Lu  <hongjiu.lu@intel.com>
2283
2284         PR target/52352
2285         * config/i386/i386.md (*movabs<mode>_1): Enable only for TARGET_LP64.
2286         (*movabs<mode>_2): Likewise.
2287
2288 2012-02-27  Jakub Jelinek  <jakub@redhat.com>
2289
2290         PR target/52375
2291         * config/arm/neon.md (vashr<mode>3, vlshr<mode>3): Use
2292         s_register_operand in the test instead of REG_P.  Don't call
2293         gen_reg_rtx if it won't be used.
2294
2295         PR tree-optimization/52376
2296         * ipa-split.c (split_function): Ignore CLOBBER stmts.
2297
2298 2012-02-27  Stuart Henderson  <shenders@gcc.gnu.org>
2299
2300         * ifcvt.c (noce_get_condition): Check condition variable is not
2301         small_register_classes_for_mode_p before accepting.
2302
2303 2012-02-27  Uros Bizjak  <ubizjak@gmail.com>
2304
2305         * config/i386/i386.md (*movabs<mode>_1): Fix operand 1 constraints.
2306
2307 2012-02-27  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2308
2309         Revert:
2310         2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2311         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
2312         tuning parameters.
2313         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
2314
2315 2012-02-27  Oleg Endo  <olegendo@gcc.gnu.org>
2316
2317         * config/sh/sh.h: Delete dead GO_IF_LEGITIMATE_INDEX macro.
2318
2319 2012-02-26  Oleg Endo  <olegendo@gcc.gnu.org>
2320
2321         * config/sh/predicates.md: Remove blank lines.
2322         * config/sh/sh.c: Fix typos in comments.
2323         * config/sh/constraints.md: Likewise.
2324         * config/sh/sh.md: Remove blank lines.
2325         Fix typos in comments.  Use ;; as comment characters.
2326
2327 2012-02-26  Walter Lee  <walt@tilera.com>
2328
2329         * config/tilegx/tilegx.c (match_pcrel_step2): Fix instruction pattern.
2330         (replace_mov_pcrel_step2): Ditto.
2331
2332 2012-02-25  Alexandre Oliva  <aoliva@redhat.com>
2333
2334         PR debug/52001
2335         * alias.c (refs_newer_value_cb, refs_newer_value_p): New.
2336         (get_addr): Walk canonical value's locs.  Avoid returning VALUEs
2337         and locs that reference values newer than the non-canonical value
2338         at hand.  Return the canonical value as a worst case.
2339         (memrefs_conflict_p): Walk canonical value's locs.
2340
2341         PR debug/52001
2342         * cselib.c (preserve_only_constants): Rename to...
2343         (preserve_constants_and_equivs): ... this.  Split out...
2344         (invariant_or_equiv_p): ... this.  Preserve plus expressions
2345         of other preserved expressions too.
2346         (cselib_reset_table): Adjust.
2347         * var-tracking.c (reverse_op): Use canonical value to build
2348         reverse operation.
2349
2350 2012-02-23  Kai Tietz  <ktietz@redhat.com>
2351
2352         * config/i386/i386.c (ix86_delegitimize_address): Handle
2353         UNSPEC_PCREL plus displacement.
2354
2355 2012-02-24  Georg-Johann Lay  <avr@gjlay.de>
2356
2357         PR target/52261
2358         * config/avr/avr.c (avr_out_movhi_mr_r_xmega): Use base
2359         to test for unusedness in st X addressing.
2360
2361 2012-02-24  Richard Guenther  <rguenther@suse.de>
2362
2363         PR middle-end/52361
2364         * gimple.c (walk_gimple_op): Use predicates with less redundant tests.
2365         (is_gimple_reg_type): Move inline ...
2366         * gimple.h (is_gimple_reg_type): ... here.
2367
2368 2012-02-24  Richard Guenther  <rguenther@suse.de>
2369
2370         PR middle-end/52361
2371         * passes.c (execute_function_todo): When verifying SSA form
2372         verify gimple form first.
2373         * tree-ssa.c (verify_ssa): Do not verify gimple form here.
2374
2375 2012-02-24  Richard Guenther  <rguenther@suse.de>
2376
2377         PR middle-end/52355
2378         * fold-const.c (fold_addr_of_array_ref_difference): New function.
2379         (fold_binary_loc): Use it to extend the existing &a[i] - &a[j] folding.
2380
2381 2012-02-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2382
2383         * tree-if-conv (predicate_scalar_phi): Commentary typo fix.
2384
2385 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2386
2387         * tree-phinodes.c (make_phi_node): Mark static.
2388         * tree-flow.h (make_phi_node): Remove extern decl.
2389         * doc/gimple.texi (make_phi_node): Remove documentation.
2390
2391 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2392
2393         * tree-into-ssa (update_ssa): Avoid trailing whitespace in dump_file.
2394         * tree-ssa-sccvn.c (print_scc): Ditto.
2395
2396 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2397
2398         * doc/passes.texi (Full redundancy elimination): Fix typo.
2399
2400 2012-02-23  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2401
2402         * doc/invoke.texi (-fdse, -fdce): Remove duplicate entries.
2403
2404 2012-02-23  Eric Botcazou  <ebotcazou@adacore.com>
2405
2406         PR bootstrap/52287
2407         * haifa-sched.c (rank_for_schedule): Stabilize sort for debug insns.
2408
2409 2012-02-23  Uros Bizjak  <ubizjak@gmail.com>
2410
2411         PR c/52290
2412         * c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.
2413
2414 2012-02-23  Georg-Johann Lay  <avr@gjlay.de>
2415
2416         * config/avr/avr.md (code_stdname): Add ior, xor.
2417         (xior): New code iterator.
2418         (*<code_stdname><mode>qi.byte0): Use xior instead of ior.
2419         (*<code_stdname><mode>qi.byte1-3): Ditto.
2420
2421 2012-02-23  Jakub Jelinek  <jakub@redhat.com>
2422
2423         PR tree-optimization/52019
2424         * ipa-split.c (find_return_bb, find_retval, visit_bb): Ignore
2425         CLOBBER stmts.
2426
2427 2012-02-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2428
2429         * acinclude.m4: Use HAVE_INITFINI_ARRAY_SUPPORT instead of
2430         HAVE_INITFINI_ARRAY to work around namespace pollution in
2431         certain versions of newlib system headers.
2432         * config.in: Regenerate.
2433         * configure: Regenerate.
2434         * config/initfini-array.h: Use HAVE_INITFINI_ARRAY_SUPPORT
2435         instead of HAVE_INITFINI_ARRAY.
2436
2437 2012-02-22  Uros Bizjak  <ubizjak@gmail.com>
2438
2439         PR target/52330
2440         * config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
2441         is not offsettable memory reference.
2442
2443 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2444
2445         PR target/18145
2446         * config/avr/avr.c (avr_asm_output_aligned_decl_common): Skip
2447         setting avr_need_clear_bss_p for __gnu_lto* symbols.
2448
2449 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2450
2451         * config/avr/avr.h (avr_accumulate_outgoing_args): Return int.
2452         * config/avr/avr.c (avr_accumulate_outgoing_args): Return int.
2453
2454 2012-02-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2455
2456         * configure.ac (LIB_TLS_SPEC): Enforce use of alternate thread
2457         library on Solaris 8 even without TLS support.
2458         * configure: Regenerate.
2459
2460 2012-02-22  Richard Guenther  <rguenther@suse.de>
2461
2462         PR middle-end/52329
2463         * gimple-fold.c (fold_stmt_1): Also canonicalize ADDR_EXPRs
2464         for GIMPLE_DEBUG stmts.
2465
2466 2012-02-22  Martin Jambor  <mjambor@suse.cz>
2467
2468         PR middle-end/51782
2469         * emit-rtl.c (set_mem_attributes_minus_bitpos): Set address space
2470         according to the base object.
2471
2472 2012-02-22  Georg-Johann Lay  <avr@gjlay.de>
2473
2474         PR rtl-optimization/50063
2475         * config/avr/avr.md (movhi_sp_r): Handle -1 (unknown IRQ state)
2476         and 2 (8-bit SP) in operand 2.
2477         * config/avr/avr.c (avr_prologue_setup_frame): Adjust prologue
2478         setup to use movhi_sp_r instead of vanilla move to write SP.
2479         Adjust REG_CFA notes to superseed unspec.
2480         (expand_epilogue): Adjust epilogue setup to use movhi_sp_r instead
2481         of vanilla move.
2482         As function body might contain CLI or SEI: Use irq_state 0 (IRQ
2483         known to be off) only with TARGET_NO_INTERRUPTS. Never use
2484         irq_state 1 (IRQ known to be on) here.
2485
2486 2012-02-21  Bernd Schmidt  <bernds@codesourcery.com>
2487
2488         * ira.c (check_allocation): Use REG_WORDS_BIG_ENDIAN, not
2489         WORDS_BIG_ENDIAN.
2490         * ira-color.c (setup_profitable_hard_regs, check_hard_reg_p,
2491         assign_hard_reg): Likewise.
2492
2493 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2494
2495         * config/avr/avr.md (neghi2): Remove "!d,0" alternative. Tweak "r,0".
2496
2497 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2498
2499         * config/avr/avr.md
2500         (*dec-and-branchhi!=-1.d.clobber): New text peephole.
2501         (*dec-and-branchhi!=-1.l.clobber): New text peephole.
2502
2503 2012-02-21  Georg-Johann Lay  <avr@gjlay.de>
2504
2505         * config/avr/avr-protos.h (avr_accumulate_outgoing_args): Move
2506         prototype from here to...
2507         * config/avr/avr.h: ...here.
2508
2509 2012-02-21  Richard Earnshaw  <rearnsha@arm.com>
2510
2511         PR target/52294
2512         * thumb2.md (thumb2_shiftsi3_short): Split register and
2513         immediate shifts.  For register shifts tie operands 0 and 1.
2514         (peephole2 for above): Check that register-controlled shifts
2515         have suitably tied operands.
2516
2517 2012-02-21  Quentin Neill  <quentin.neill@amd.com>
2518
2519         PR target/52137
2520         * config/i386/bdver1.md (bdver1_call, bdver1_push,
2521         bdver1_pop, bdver1_leave, bdver1_lea, bdver1_imul_DI, bdver1_imul,
2522         bdver1_imul_mem_DI, bdver1_imul_mem, bdver1_idiv, bdver1_idiv_mem,
2523         bdver1_str, bdver1_idirect, bdver1_ivector, bdver1_idirect_loadmov,
2524         bdver1_idirect_load, bdver1_ivector_load, bdver1_idirect_movstore,
2525         bdver1_idirect_both, bdver1_ivector_both, bdver1_idirect_store,
2526         bdver1_ivector_store, bdver1_fldxf, bdver1_fld, bdver1_fstxf,
2527         bdver1_fst, bdver1_fist, bdver1_fmov_bdver1, bdver1_fadd_load,
2528         bdver1_fadd, bdver1_fmul_load, bdver1_fmul, bdver1_fsgn,
2529         bdver1_fdiv_load, bdver1_fdiv, bdver1_fpspc_load, bdver1_fpspc,
2530         bdver1_fcmov_load, bdver1_fcmov, bdver1_fcomi_load,
2531         bdver1_fcomi, bdver1_fcom_load, bdver1_fcom,
2532         bdver1_fxch, bdver1_ssevector_avx128_unaligned_load,
2533         bdver1_ssevector_avx256_unaligned_load,
2534         bdver1_ssevector_sse128_unaligned_load,
2535         bdver1_ssevector_avx128_load, bdver1_ssevector_avx256_load,
2536         bdver1_ssevector_sse128_load, bdver1_ssescalar_movq_load,
2537         bdver1_ssescalar_vmovss_load, bdver1_ssescalar_sse128_load,
2538         bdver1_mmxsse_load, bdver1_sse_store_avx256, bdver1_sse_store,
2539         bdver1_mmxsse_store_short, bdver1_ssevector_avx256,
2540         bdver1_movss_movsd, bdver1_mmxssemov, bdver1_sselog_load_256,
2541         bdver1_sselog_256, bdver1_sselog_load, bdver1_sselog,
2542         bdver1_ssecmp_load, bdver1_ssecmp, bdver1_ssecomi_load,
2543         bdver1_ssecomi, bdver1_vcvtX2Y_avx256_load, bdver1_vcvtX2Y_avx256,
2544         bdver1_ssecvt_cvtss2sd_load, bdver1_ssecvt_cvtss2sd,
2545         bdver1_sseicvt_cvtsi2sd_load, bdver1_sseicvt_cvtsi2sd,
2546         bdver1_ssecvt_cvtpd2ps_load, bdver1_ssecvt_cvtpd2ps,
2547         bdver1_ssecvt_cvtdq2ps_load, bdver1_ssecvt_cvtdq2ps,
2548         bdver1_ssecvt_cvtdq2pd_load, bdver1_ssecvt_cvtdq2pd,
2549         bdver1_ssecvt_cvtps2pd_load, bdver1_ssecvt_cvtps2pd,
2550         bdver1_ssecvt_cvtsX2si_load, bdver1_ssecvt_cvtsX2si,
2551         bdver1_ssecvt_cvtpd2pi_load, bdver1_ssecvt_cvtpd2pi,
2552         bdver1_ssecvt_cvtpd2dq_load, bdver1_ssecvt_cvtpd2dq,
2553         bdver1_ssecvt_cvtps2pi_load, bdver1_ssecvt_cvtps2pi,
2554         bdver1_ssemuladd_load_256, bdver1_ssemuladd_256,
2555         bdver1_ssemuladd_load, bdver1_ssemuladd, bdver1_sseimul_load,
2556         bdver1_sseimul, bdver1_sseiadd_load, bdver1_sseiadd,
2557         bdver1_ssediv_double_load_256, bdver1_ssediv_double_256,
2558         bdver1_ssediv_single_load_256, bdver1_ssediv_single_256,
2559         bdver1_ssediv_double_load, bdver1_ssediv_double,
2560         bdver1_ssediv_single_load, bdver1_ssediv_single, bdver1_sseins):
2561         Add "bdver2" attribute.
2562
2563 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2564
2565         * config/s390/s390.c (s390_option_override): Make -mhard-dfp the
2566         default if possible and not specified otherwise.
2567
2568 2012-02-21  Richard Guenther  <rguenther@suse.de>
2569
2570         PR middle-end/52314
2571         * gimplify.c (create_tmp_from_val): Use the main variant type
2572         for the type of the temporary we create.
2573
2574 2012-02-21  Richard Guenther  <rguenther@suse.de>
2575
2576         PR tree-optimization/52324
2577         * gimplify.c (gimplify_expr): When re-gimplifying expressions
2578         do not gimplify a MEM_REF address operand if it is already
2579         in suitable form.
2580
2581 2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2582
2583         * config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
2584         TARGET_HARD_FLOAT with TARGET_HARD_DFP.
2585
2586 2012-02-21  Richard Guenther  <rguenther@suse.de>
2587
2588         * tree-vect-stmts.c (vectorizable_load): Use pre-computed
2589         nested_in_vect_loop.
2590
2591 2012-02-21  Jakub Jelinek  <jakub@redhat.com>
2592
2593         PR tree-optimization/52318
2594         * gimple-fold.c (gimplify_and_update_call_from_tree): Add
2595         vdef also to non-pure/const call stmts in the sequence.
2596
2597 2012-02-21  Tristan Gingold  <gingold@adacore.com>
2598
2599         * config/vms/vms-ld.c (main): Fix IDENTIFICATION padding.
2600
2601 2012-02-20  David S. Miller  <davem@davemloft.net>
2602
2603         * config/sparc/sparc.md (load_pcrel_sym<P:mode>): Explain why we
2604         don't use the "rd %pc" instruction on v9 for PIC register loads.
2605
2606 2012-02-20  Aldy Hernandez  <aldyh@redhat.com>
2607
2608         PR middle-end/52141
2609         * trans-mem.c (ipa_tm_scan_irr_block): Error out on GIMPLE_ASM's
2610         in a transaction safe function.
2611
2612 2012-02-20  Kai Tietz  <ktietz@redhat.com>
2613
2614         PR target/52238
2615         * stor-layout.c (place_field): Handle desired_align for
2616         ms-bitfields, too.
2617
2618 2012-02-20  Richard Guenther  <rguenther@suse.de>
2619
2620         PR tree-optimization/52298
2621         * tree-vect-stmts.c (vectorizable_store): Properly use
2622         STMT_VINFO_DR_STEP instead of DR_STEP when vectorizing
2623         outer loops.
2624         (vectorizable_load): Likewise.
2625         * tree-vect-data-refs.c (vect_analyze_data_ref_access):
2626         Access DR_STEP after ensuring it is not NULL.
2627
2628 2012-02-20  Jakub Jelinek  <jakub@redhat.com>
2629
2630         PR tree-optimization/52286
2631         * fold-const.c (fold_binary_loc): For (X & C1) | C2
2632         optimization use double_int_to_tree instead of build_int_cst_wide,
2633         rewrite to use double_int vars.
2634
2635 2012-02-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2636
2637         PR target/50166
2638         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): Require gcc_SUN_LD_VERSION.
2639         Define _start.
2640         Remove -e 0 from $gcc_cv_ld invocation.
2641         Only use __GLIBC_PREREQ if defined.
2642         Enable on Solaris since Solaris 8 patch.
2643         (gcc_SUN_LD_VERSION): New macro.
2644         * configure.ac (ld_ver) <*-*-solaris2*>: Refer to
2645         gcc_SUN_LD_VERSION for version number format.
2646         * configure: Regenerate.
2647         * varasm.c (get_elf_initfini_array_priority_section): Set
2648         SECTION_NOTYPE for non-default priority.
2649         Use get_section instead of get_unnamed_section to emit
2650         .init_array/.fini_array with default priority.
2651
2652 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2653
2654         * config/mips/mips.c (mips_need_mips16_rdhwr_p): New variable.
2655         (mips_get_tp): Set it.  Record that __mips16_rdhwr binds locally.
2656         (mips_start_unique_function, mips_output_mips16_rdhwr)
2657         (mips_code_end): New functions.
2658         (TARGET_ASM_CODE_END): Define.
2659
2660 2012-02-19  Richard Sandiford  <rdsandiford@googlemail.com>
2661
2662         * config/mips/mips.c (mips16_build_call_stub): Add CFI information
2663         to stubs with non-sibling calls.
2664
2665 2012-02-18  Sandra Loosemore  <sandra@codesourcery.com>
2666
2667         * doc/invoke.texi (-fira-* options): Copy-edit.
2668         (ira-* parameters): Copy-edit.
2669
2670 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2671
2672         * doc/invoke.texi: Minor copy-edits to bring into conformance with
2673         GCC coding conventions.
2674
2675 2012-02-17  Sandra Loosemore  <sandra@codesourcery.com>
2676
2677         * doc/invoke.texi: Consistently hyphenate "big-endian"/"little-endian"
2678         when used as adjectives.
2679
2680 2012-02-16  Sandra Loosemore  <sandra@codesourcery.com>
2681
2682         * doc/invoke.texi: Clean up "that"/"which" confusion.
2683
2684 2012-02-17  Steven Bosscher  <steven@gcc.gnu.org>
2685
2686         * system.h: Poison SMALL_REGISTER_CLASSES
2687         * config/rl78/rl78.h: Replace SMALL_REGISTER_CLASSES with hook.
2688         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES.
2689
2690 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2691
2692         PR tree-optimization/52285
2693         * tree-tailcall.c (find_tail_calls): Ignore gimple_clobber_p stmts
2694         when deciding if a call is a tail call or tail recursion.
2695
2696 2012-02-16  Kai Tietz  <ktietz@redhat.com>
2697
2698         * config/i386/i386.c (legitimate_pic_address_disp_p): Allow
2699         interger-constant displacement for UNSPEC_PCREL.
2700
2701 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2702
2703         PR rtl-optimization/52208
2704         * ira-costs.c (scan_one_insn): Don't decrease mem_cost
2705         for MEMs with REG_EQUIV, if the MEM isn't general_operand.
2706
2707         PR tree-optimization/52255
2708         * tree-vect-loop-manip.c (slpeel_tree_peel_loop_to_edge): If
2709         loop->header has virtual PHI, but exit_e->dest doesn't, add
2710         virtual PHI to exit_e->dest and adjust all uses after the loop.
2711
2712         PR debug/52260
2713         * dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
2714         children with clone_tree_hash, not after it.
2715
2716 2012-02-16  Iain Sandoe  <iains@gcc.gnu.org>
2717
2718         * config/darwin.h (ASM_OUTPUT_LABELREF): Add user label prefix for
2719         extended identifiers.
2720
2721 2012-02-16  Jakub Jelinek  <jakub@redhat.com>
2722
2723         PR middle-end/51929
2724         * cgraphunit.c (verify_edge_corresponds_to_fndecl): If node is
2725         a same_body_alias, also test whether e->callee isn't a former
2726         or current clone of the decl this is a same body alias of.
2727
2728         PR translation/52264
2729         * cgraphunit.c (verify_cgraph_node): Fix a typo.
2730
2731 2012-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2732
2733         * doc/invoke.texi: Clean up "n-bit/byte/word" modifiers.
2734
2735 2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
2736
2737         PR target/52199
2738         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
2739         force_reg instead of copy_to_reg for better optimization.  Force
2740         non-register or memory operands into a register.
2741
2742 2012-02-15  Andrew MacLeod  <amacleod@redhat.com>
2743
2744         * extend.texi: Reserve upper bits of memory model for future use.
2745
2746 2012-01-15  Georg-Johann Lay  <avr@gjlay.de>
2747             Anatoly Sokolov <aesok@post.ru>
2748             Eric Weddington <eric.weddington@atmel.com>
2749
2750         PR target/52261
2751         * config/avr/avr-devices.c (avr_arch_types): Add avrxmega2,
2752         avrxmega4, avrxmega5, avrxmega6, avrxmega7.
2753         Rewrite initializers for .macro.
2754         * config/avr/avr-mcus.def (AVR_MCU): Add known MCUs:
2755         avrxmega2: atxmega16a4, atxmega16d4, atxmega16x1, atxmega32a4
2756         atxmega32d4, atxmega32x1.
2757         avrxmega4: atxmega64a3, atxmega64d3.
2758         avrxmega5: atxmega64a1, atxmega64a1u.
2759         avrxmega6: atxmega128a3, atxmega128d3, atxmega192a3, atxmega192d3,
2760         atxmega256a3, atxmega256a3b, atxmega256a3bu, atxmega256d3.
2761         avrxmega7: atxmega128a1, atxmega128a1u.
2762         * config/avr/avr.h (enum avr_arch): Add: ARCH_AVRXMEGA2,
2763         ARCH_AVRXMEGA4, ARCH_AVRXMEGA5, ARCH_AVRXMEGA6, ARCH_AVRXMEGA7.
2764         (struct base_arch_s): Rename reserved to xmega_p.
2765         Rename reserved2 to have_rampd.
2766         (AVR_XMEGA): New define.
2767         (AVR_HAVE_RAMPD, AVR_HAVE_RAMPX, AVR_HAVE_RAMPY): New defines.
2768         (AVR_HAVE_RAMPZ): Change definition to fit xmega.
2769         * config/avr/predicates.md (io_address_operand): Take into
2770         account SFR offset.
2771         (low_io_address_operand): Ditto.
2772         (high_io_address_operand): Ditto.
2773         * config/avr/avr.md (isa): Add alternatives no_xmega, xmega.
2774         (enabled, movhi_sp_r): Use them.
2775         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use
2776         cpp_define_formatted to built-in define __AVR_ARCH__.
2777         (__AVR_XMEGA__): New built-in define.
2778         (__AVR_HAVE_RAMPD__): New built-in define.
2779         (__AVR_HAVE_RAMPX__): New built-in define.
2780         (__AVR_HAVE_RAMPY__): New built-in define.
2781         (__AVR_HAVE_RAMPZ__): Change condition when to built-in define it.
2782
2783         * config/avr/avr.c (avr_addr_t): Add ccp, rampd, rampx, rampy.
2784         (avr_option_override): Initialize them.
2785         (sreg_rtx, rampd_rtx, rampx_rtx, rampy_rtx): New GTY rtx.
2786         (avr_init_expanders): Initialize them. No more block several calls.
2787         (emit_push_sfr): New static function.
2788         (avr_prologue_setup_frame): Use it to push SREG, RAMPD/X/Y/Z as needed.
2789         Handle AVR_XMEGA.
2790         (expand_epilogue): Handle AVR_XMEGA. Pop RAMPD/X/Y/Z as needed.
2791         (avr_print_operand): Print addreeses as symbols for
2792         RAMPX, RAMPY, RAMPD, CCP.
2793         (output_movhi): Handle AVR_XMEGA when writing to SP.
2794         (avr_out_movhi_mr_r_xmega): New static function.
2795         (out_movhi_mr_r): Forward to avr_out_movhi_mr_r_xmega for AVR_XMEGA.
2796         (avr_file_start): Print symbol defines for __RAMPX__,  __RAMPY__,
2797         __RAMPD__,  __CCP__ as needed.
2798
2799         * config/avr/multilib.h: Regenerate.
2800         * config/avr/t-multilib: Regenerate.
2801         * config/avr/avr-tables.opt: Regenerate.
2802
2803 2012-02-15  Tobias Grosser <grosser@fim.uni-passau.de>
2804
2805         PR tree-optimization/50561
2806         * graphite-flattening.c (lst_project_loop): Do not
2807         remove old scattering dimensions after flattening.
2808         (lst_do_flatten): Likewise.
2809
2810 2012-02-15  Georg-Johann Lay  <avr@gjlay.de>
2811
2812         * doc/extend.texi (AVR Built-in Functions): Remove doc for
2813         __builtin_avr_map8, __builtin_avr_map16.
2814         Document __builtin_avr_insert_bits.
2815
2816         * config/avr/avr.md (map_bitsqi, map_bitshi): Remove.
2817         (insert_bits): New insn.
2818         (adjust_len.map_bits): Rename to insert_bits.
2819         (UNSPEC_MAP_BITS): Rename to UNSPEC_INSERT_BITS.
2820         * avr-protos.h (avr_out_map_bits): Remove.
2821         (avr_out_insert_bits, avr_has_nibble_0xf): New.
2822         * config/avr/constraints.md (Cxf,C0f): New.
2823         * config/avr/avr.c (avr_cpu_cpp_builtins): Remove built-in
2824         defines __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
2825         New built-in define __BUILTIN_AVR_INSERT_BITS.
2826         * config/avr/avr.c (TARGET_FOLD_BUILTIN): New define.
2827         (enum avr_builtin_id): Add AVR_BUILTIN_INSERT_BITS.
2828         (avr_move_bits): Rewrite.
2829         (avr_fold_builtin, avr_map_metric, avr_map_decompose): New static
2830         functions.
2831         (avr_map_op_t): New typedef.
2832         (avr_map_op): New static variable.
2833         (avr_out_insert_bits, avr_has_nibble_0xf): New functions.
2834         (adjust_insn_length): Handle ADJUST_LEN_INSERT_BITS.
2835         (avr_init_builtins): Add definition for __builtin_avr_insert_bits.
2836         (bdesc_3arg, avr_expand_triop_builtin): New.
2837         (avr_expand_builtin): Use them. And handle AVR_BUILTIN_INSERT_BITS.
2838         (avr_revert_map, avr_swap_map, avr_id_map, avr_sig_map): Remove.
2839         (avr_map_hamming_byte, avr_map_hamming_nonstrict): Remove.
2840         (avr_map_equal_p, avr_map_sig_p): Remove.
2841         (avr_out_swap_bits, avr_out_revert_bits, avr_out_map_bits): Remove.
2842         (bdesc_2arg): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2843         (adjust_insn_length): Remove handling for ADJUST_LEN_MAP_BITS.
2844         (enum avr_builtin_id): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2845         (avr_init_builtins): Remove __builtin_avr_map8, __builtin_avr_map16.
2846         (avr_expand_builtin): Remove AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
2847
2848 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2849
2850         * config/c6x/c6x.md (reserve_cycles): New attribute.
2851         * config/c6x/c6x.c (c6x_sched_reorder_1): Ensure insns we predicate
2852         don't reserve functional units after the branch occurs.
2853
2854 2012-02-14  Aldy Hernandez  <aldyh@redhat.com>
2855
2856         PR middle-end/52142
2857         * ipa-inline.c (can_inline_edge_p): Do not inline tm_pure
2858         functions into non-tm_pure functions.
2859
2860 2012-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2861
2862         PR lto/52178
2863         * gimple.c (iterative_hash_gimple_type): Use RECORD_OR_UNION_TYPE_P.
2864         (iterative_hash_canonical_type): Likewise.
2865         * tree-ssa-pre.c (fini_pre): Clean up the CFG only after purging all
2866         the dead edges.
2867
2868 2012-02-14  Bernd Schmidt  <bernds@codesourcery.com>
2869
2870         * haifa-sched.c (prune_ready_list): Ensure that if there is a
2871         sched-group insn, it either remains alone or the entire list is pruned.
2872
2873 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2874
2875         * doc/install.texi (Prerequisites): Fix grammar.
2876         (Configuration): Likewise.
2877
2878 2012-02-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
2879
2880         * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
2881         MPC as part of GCC before describing configuring with --with-gmp etc.
2882         (Installing GCC: Configuration): --with-gmp etc. aren't needed if
2883         sources are present.
2884
2885 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2886
2887         PR debug/51950
2888         * dwarf2out.c (clone_tree_hash): New function.
2889         (copy_decls_walk): Use it instead of clone_tree.
2890
2891 2012-02-14  Richard Guenther  <rguenther@suse.de>
2892
2893         PR tree-optimization/52244
2894         PR tree-optimization/51528
2895         * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
2896         replacements for integral types.
2897
2898 2012-02-14  Walter Lee  <walt@tilera.com>
2899
2900         * config.gcc: Handle tilegx and tilepro.
2901         * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
2902         tilegx and tilepro.
2903         Add HAVE_AS_TLS check for tilegx and tilepro.
2904         * configure: Regenerate.
2905         * doc/contrib.texi: Add Mat Hostetter and self.
2906         * doc/extend.texi (TILE-Gx Built-in Functions): New node.
2907         Document instruction intrinsics and network accessing intrinsics.
2908         (TILEPro Built-in Functions): New node.  Document instruction
2909         intrinsics and network accessing intrinsics.
2910         * doc/install.texi (Specific, tilegx-*-linux*): Document it.
2911         (Specific, tilepro-*-linux*): Likewise.
2912         * doc/invoke.texi (TILE-Gx Options): New section.
2913         (TILEPro Options): New section.
2914         * doc/md.texi (TILE-Gx): New section.
2915         (TILEPro): New section.
2916         * common/config/tilegx/tilegx-common.c: New file.
2917         * common/config/tilepro/tilepro-common.c: New file.
2918         * config/tilegx/constraints.md: New file.
2919         * config/tilegx/linux.h: New file.
2920         * config/tilegx/mul-tables.c: New file.
2921         * config/tilegx/predicates.md: New file.
2922         * config/tilegx/sync.md: New file.
2923         * config/tilegx/t-tilegx: New file.
2924         * config/tilegx/tilegx-builtins.h: New file.
2925         * config/tilegx/tilegx-c.c: New file.
2926         * config/tilegx/tilegx-generic.md: New file.
2927         * config/tilegx/tilegx-modes.def: New file.
2928         * config/tilegx/tilegx-multiply.h: New file.
2929         * config/tilegx/tilegx-protos.h: New file.
2930         * config/tilegx/tilegx.c: New file.
2931         * config/tilegx/tilegx.h: New file.
2932         * config/tilegx/tilegx.md: New file.
2933         * config/tilegx/tilegx.opt: New file.
2934         * config/tilepro/constraints.md: New file.
2935         * config/tilepro/gen-mul-tables.cc: New file.
2936         * config/tilepro/linux.h: New file.
2937         * config/tilepro/mul-tables.c: New file.
2938         * config/tilepro/predicates.md: New file.
2939         * config/tilepro/t-tilepro: New file.
2940         * config/tilepro/tilepro-builtins.h: New file.
2941         * config/tilepro/tilepro-c.c: New file.
2942         * config/tilepro/tilepro-generic.md: New file.
2943         * config/tilepro/tilepro-modes.def: New file.
2944         * config/tilepro/tilepro-multiply.h: New file.
2945         * config/tilepro/tilepro-protos.h: New file.
2946         * config/tilepro/tilepro.c: New file.
2947         * config/tilepro/tilepro.h: New file.
2948         * config/tilepro/tilepro.md: New file.
2949         * config/tilepro/tilepro.opt: New file.
2950
2951 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2952
2953         PR tree-optimization/52210
2954         * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
2955         vect_model_simple_cost with two entry vect_def_type array instead
2956         of an address of dt.
2957
2958 2012-02-14  Richard Guenther  <rguenther@suse.de>
2959
2960         PR lto/52178
2961         * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
2962         Do not stream DECL_QUALIFIER.
2963         * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
2964         * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
2965         (find_decls_types_r): Do not walk DECL_QUALIFIER.
2966
2967 2012-02-14  Jakub Jelinek  <jakub@redhat.com>
2968
2969         PR c/52181
2970         * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
2971         newdecl.
2972
2973 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2974
2975         PR bootstrap/52172
2976         * cselib.h (cselib_subst_to_values_from_insn): New prototype.
2977         * cselib.c (cselib_subst_to_values_from_insn): New function.
2978         * sched-deps.c (add_insn_mem_dependence,
2979         sched_analyze_1, sched_analyze_2): Use it.
2980
2981 2012-02-13  Jan Hubicka  <jh@suse.cz>
2982
2983         PR middle-end/52214
2984         * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
2985
2986 2012-02-13  Eric Botcazou  <ebotcazou@adacore.com>
2987
2988         * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
2989         (GTM_SELF_SPECS): Define if not already defined.
2990         (driver_self_specs): Add GTM_SELF_SPECS.
2991         * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
2992         (GTM_SELF_SPECS): Define.
2993         * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
2994         * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
2995
2996 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
2997
2998         * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
2999         away if seen.
3000
3001         * cselib.c (dump_cselib_val): Don't assume l->setting_insn is non-NULL.
3002
3003         PR middle-end/52230
3004         * omp-low.c (expand_omp_for): If a static schedule without chunk size
3005         has NULL region->cont, force fd.chunk_size to be integer_zero_node.
3006
3007 2012-02-13  Andrew MacLeod  <amacleod@redhat.com>
3008
3009         PR c/52190
3010         * doc/extend.texi : Fix another __atomic_compare_exchange typo.
3011
3012 2012-02-13  Richard Guenther  <rguenther@suse.de>
3013
3014         PR translation/52211
3015         * passes.c (enable_disable_pass): Fix typo.
3016
3017 2012-02-13  Jakub Jelinek  <jakub@redhat.com>
3018
3019         PR middle-end/52209
3020         * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
3021         XOR for reduce_bit_field if type is unsigned.
3022
3023 2012-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3024
3025         * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
3026         disallow changes from SFmode to mode with different size in FP regs.
3027
3028 2012-02-12  Robert Millan  <rmh@gnu.org>
3029             Gerald Pfeifer <gerald@pfeifer.com>
3030
3031         * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
3032         Tweak comment.
3033
3034 2012-02-11  Richard Sandiford  <rdsandiford@googlemail.com>
3035
3036         PR rtl-optimization/52175
3037         * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
3038         to frame-related instructions.
3039
3040 2012-02-10  Jason Merrill  <jason@redhat.com>
3041
3042         PR c++/51910
3043         * tlink.c (demangled_hash_entry): Change mangled to a VEC.
3044         (demangle_new_symbols): Fill it.
3045         (scan_linker_output): Walk it.
3046         (start_tweaking): Split out from scan_linker_output.
3047         (maybe_tweak): Update sym->chosen.
3048         * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
3049
3050 2012-02-11  Jakub Jelinek  <jakub@redhat.com>
3051
3052         PR debug/52132
3053         * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use get_true_reg.
3054
3055 2012-02-11  Uros Bizjak  <ubizjak@gmail.com>
3056
3057         * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
3058         having the same mode as previous compare.
3059
3060 2012-02-10  Eric Botcazou  <ebotcazou@adacore.com>
3061
3062         * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
3063         * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
3064         (nonlocal_goto_internal): Likewise.
3065         (nonlocal_goto): Emit a use and an indirect jump directly.
3066
3067 2012-02-10  Andrew MacLeod  <amacleod@redhat.com>
3068
3069         PR c/52190
3070         * doc/extend.texi : Update comments for __atomic_compare_exchange and
3071         __atomic_{is,always}_lock_free.
3072
3073 2012-02-10  Uros Bizjak  <ubizjak@gmail.com>
3074
3075         PR target/52146
3076         * config/i386/i386.c (ix86_legitimate_address_p): Disallow
3077         negative constant address for TARGET_X32.
3078
3079 2012-02-10  Richard Henderson  <rth@redhat.com>
3080
3081         * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
3082         * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
3083         for GIMPLE_TRANSACTION.  Tidy if's into a switch.
3084
3085 2012-02-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3086             Ira Rosen  <irar@il.ibm.com>
3087
3088         PR tree-optimization/50031
3089         * targhooks.c (default_builtin_vectorization_cost): Handle
3090         vec_promote_demote.
3091         * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
3092         * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
3093         all types of reduction and pattern statements.
3094         (vect_estimate_min_profitable_iters): Likewise.
3095         * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
3096         (vect_get_load_cost): Use vec_perm for permutations; add dump logic
3097         for explicit realigns.
3098         (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
3099         * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
3100         vec_promote_demote.
3101         * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
3102         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
3103         vec_perm for VSX and handle vec_promote_demote.
3104
3105 2012-02-10  Jakub Jelinek  <jakub@redhat.com>
3106
3107         PR middle-end/52177
3108         * builtins.c (fold_builtin_atomic_always_lock_free,
3109         expand_builtin_atomic_always_lock_free,
3110         fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
3111         Return and/or test boolean_true_node/boolean_false_node instead of
3112         integer_one_node/integer_zero_node.
3113
3114 2012-02-10  Jan Hubicka  <jh@suse.cz>
3115
3116         PR middle-end/48600
3117         * predict.c (predict_paths_for_bb): Prevent looping.
3118         (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
3119
3120 2012-02-10  Roman Zhuykov  <zhroma@ispras.ru>
3121
3122         * config/arm/arm.c (output_move_double): In one case properly
3123         count number of instructions that will be emitted.
3124
3125 2012-02-10  Richard Guenther  <rguenther@suse.de>
3126
3127         PR translation/52193
3128         * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
3129
3130 2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>
3131
3132         PR middle-end/52140
3133         * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
3134
3135 2012-02-09  Jakub Jelinek  <jakub@redhat.com>
3136
3137         PR debug/52165
3138         * var-tracking.c (emit_note_insn_var_location): If
3139         EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
3140         emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
3141         non-NOTE_DURING_CALL_P insn.
3142
3143 2012-02-09  Bin Cheng  <bin.cheng@arm.com>
3144
3145         PR middle-end/51867
3146         * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
3147
3148 2012-02-08  Magnus Granberg  <zorry@gentoo.org>
3149
3150         PR driver/48524
3151         * gcc.c (switch_matches) Support switches with separated form,
3152         -D and -U.
3153
3154 2012-02-08  Georg-Johann Lay  <avr@gjlay.de>
3155
3156         * config/avr/avr.md (SREG_ADDR): Remove constant definition.
3157         (SP_ADDR): Ditto.
3158         (RAMPZ_ADDR): Ditto.
3159         * config/avr/avr.c (avr_addr_t): New typedef.
3160         (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
3161         (avr_init_expanders): Initialize it.
3162         (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
3163         SREG_ADDR.
3164         (expand_epilogue): Ditto.
3165         (avr_print_operand): Ditto.
3166         (avr_file_start): Ditto.
3167         (avr_emit_movmemhi): Ditto.
3168
3169 2012-02-08  Richard Guenther  <rguenther@suse.de>
3170
3171         PR tree-optimization/46886
3172         * tree-flow.h (do_while_loop_p): Declare.
3173         * tree-ssa-loop-ch.c (do_while_loop_p): Export.
3174         * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
3175
3176 2012-02-08  Andrew MacLeod  <amacleod@redhat.com>
3177
3178         * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
3179         always succeed for integers larger than a native word.
3180
3181 2012-02-08  Richard Guenther  <rguenther@suse.de>
3182
3183         PR rtl-optimization/52170
3184         * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
3185         properly handle integer vector modes.
3186
3187 2012-02-08  Jakub Jelinek  <jakub@redhat.com>
3188
3189         PR gcov-profile/52150
3190         * coverage.c: Include target.h.
3191         (build_var): Call targetm.strip_name_encoding on the assembler name.
3192         Change one _ into . or $ if the target allows it.
3193         * Makefile.in (coverage.o): Depend on $(TARGET_H).
3194
3195         PR rtl-optimization/52139
3196         * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
3197         is a BARRIER after emit_insn_after_noloc, move BB_END
3198         to the last non-BARRIER insn before it.
3199
3200 2012-02-07  Richard Sandiford  <rdsandiford@googlemail.com>
3201
3202         PR middle-end/24306
3203         * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
3204         (mips_gimplify_va_arg_expr): Call it instead of
3205         std_gimplify_va_arg_expr.
3206
3207 2012-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
3208
3209         * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
3210         message for -mno-pointers-to-nested-function.
3211
3212 2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>
3213
3214         PR middle-end/51994
3215         * expr.c (get_inner_reference): If there is an offset, add a negative
3216         bit position to it (if any).
3217
3218 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3219
3220         PR rtl-optimization/52060
3221         * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
3222         copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
3223         before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
3224         and/or i0src_copy2 when needed.
3225
3226 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3227
3228         * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
3229         or LTOPLUGINSONAME if have_c.
3230
3231         * config/freebsd-spec.h: Add comment about what macros can be defined
3232         in this header.
3233         (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
3234         * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
3235         here instead.
3236
3237 2012-02-07  Richard Guenther  <rguenther@suse.de>
3238
3239         * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
3240         newline in -alias dumps.
3241
3242 2012-02-07  Kai Tietz  <ktietz@redhat.com>
3243             Dave Korn  <dave.korn.cygwin@gmail.com>
3244
3245         PR target/40068
3246         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3247         Take care that typinfo gets dllexport-attribute.
3248
3249 2012-02-07  Jakub Jelinek  <jakub@redhat.com>
3250
3251         PR middle-end/52074
3252         * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
3253         if modifier < EXPAND_SUM call force_operand on the result.
3254
3255 2012-02-07  Joern Rennecke  <joern.rennecke@embecosm.com>
3256
3257         * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
3258         adding __forwarder_dst__ prefix if a forwarder_section attribute is
3259         present.
3260         (epiphany_function_type): Replace types for specific interrupts with
3261         EPIPHANY_FUNCTION_INTERRUPT.
3262         (EPIPHANY_INTERRUPT_P): Update.
3263         * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
3264         New static function.
3265         (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
3266         <disinterrupt>: Affects type identity.
3267         (epiphany_handle_interrupt_attribute): Handle variable number of
3268         arguments.
3269         (epiphany_compute_function_type): Update for new
3270         epiphany_function_type definition.
3271         (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
3272         handlers with a longcall forwarder.
3273         (epiphany_start_function): Handle multiple interrupt arguments and/or
3274         forwarder_section attribute.
3275
3276         * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
3277         libgloss.
3278
3279 2012-02-07  Alan Modra  <amodra@gmail.com>
3280
3281         PR target/52107
3282         * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
3283         subregs of TFmode.
3284
3285 2012-02-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
3286
3287         PR tree-optimization/50969
3288         * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
3289         use vec_perm rather than vector_stmt.
3290         (vect_model_load_cost): Likewise.
3291         * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
3292         vec_perm to be the same as other vector statements.
3293         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
3294         cost of vec_perm for TARGET_VSX.
3295
3296 2012-02-06  Richard Guenther  <rguenther@suse.de>
3297
3298         PR tree-optimization/52115
3299         * tree-sra.c (access_has_replacements_p): New function.
3300         (sra_modify_assign): Use it to decide whether a use is uninitialized.
3301
3302 2012-02-06  Patrick Marlier  <patrick.marlier@gmail.com>
3303
3304         PR middle-end/52047
3305         * trans-mem.c (expand_call_tm): Add an assertion.
3306         * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
3307         functions.
3308
3309 2012-02-06  Richard Guenther  <rguenther@suse.de>
3310
3311         PR tree-optimization/50955
3312         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
3313         raise cost of expressions that replace an address with an
3314         expression based on a different pointer.
3315
3316 2012-02-06  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR target/52129
3319         * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
3320         CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
3321
3322 2012-02-06  Jonathan Wakely  <jwakely.gcc@gmail.com>
3323
3324         PR c++/48680
3325         * doc/invoke.texi (C++ Dialect Options): Use @option markup for
3326         -Weffc++ and specify guidelines come from second edition.
3327
3328 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3329
3330         * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
3331         (sibcall_value_multiple_internal, call_split, call_internal_direct)
3332         (call_direct_split, call_value_split, call_value_internal_direct)
3333         (call_value_direct_split, call_value_multiple_split): Use jal and
3334         jal_macro attributes.
3335
3336 2012-02-05  Richard Sandiford  <rdsandiford@googlemail.com>
3337
3338         * reload1.c (reload_regs_reach_end_p): Replace with...
3339         (reload_reg_rtx_reaches_end_p): ...this function.
3340         (new_spill_reg_store): Update commentary.
3341         (emit_input_reload_insns): Don't clear new_spill_reg_store here.
3342         (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
3343         before setting new_spill_reg_store.
3344         (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
3345         Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
3346         Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
3347         for non-spill reload registers.
3348
3349 2012-02-05  Ira Rosen  <irar@il.ibm.com>
3350
3351         PR tree-optimization/52091
3352         * tree-vectorizer.h (vect_is_simple_use): Add an argument.
3353         (vect_is_simple_use_1): Likewise.
3354         * tree-vect-loop.c (vectorizable_reduction): Update calls
3355         to vect_is_simple_use_1 and vect_is_simple_use.
3356         (vectorizable_live_operation): Likewise.
3357         * tree-vect-patterns.c (widened_name_p,
3358         vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
3359         * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
3360         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
3361         vectorizable_shift,vectorizable_operation, vectorizable_store,
3362         vectorizable_load): Likewise.
3363         (vect_is_simple_cond): Add an argument, pass it to
3364         vect_is_simple_use_1.
3365         (vectorizable_condition): Update calls to vect_is_simple_cond,
3366         vect_is_simple_use.
3367         (vect_is_simple_use): Add an argument, the statement in which
3368         OPERAND is used.  Check that if OPERAND's def stmt is a double
3369         reduction phi node, the use is a phi node too.
3370         (vect_is_simple_use_1): Add an argument, pass it to
3371         vect_is_simple_use.
3372         * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
3373         to vect_is_simple_use.
3374
3375 2012-02-04  Jakub Jelinek  <jakub@redhat.com>
3376
3377         PR rtl-optimization/52095
3378         * modulo-sched.c (dump_insn_locator): New function.
3379         (loop_canon_p, sms_schedule): Use it.
3380
3381         PR rtl-optimization/52113
3382         * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
3383         even for decomposable shift/zext insns.
3384
3385 2012-02-03  Jakub Jelinek  <jakub@redhat.com>
3386             Zdenek Dvorak  <ook@ucw.cz>
3387
3388         PR rtl-optimization/52092
3389         * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
3390         on get_iv_value result.
3391
3392 2012-02-02  Andrew Pinski  <apinski@cavium.com>
3393
3394         PR middle-end/47982
3395         PR middle-end/43967
3396         * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
3397
3398 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3399
3400         PR middle-end/48071
3401         * diagnostic.c (diagnostic_finish): Remove trailing newlines.
3402
3403 2012-02-02  Vladimir Makarov  <vmakarov@redhat.com>
3404
3405         PR rtl-optimization/49800
3406         * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
3407         (sched_finish): Call regstat_free_n_sets_and_refs.
3408
3409 2012-02-02  Jia Liu  <proljc@gmail.com>
3410
3411         * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
3412         than operand 2.
3413
3414 2012-02-02  Jan Hubicka  <jh@suse.cz>
3415             Tom de Vries  <tom@codesourcery.com>
3416
3417         PR middle-end/51998
3418         * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
3419         * varpool.c (varpool_analyze_pending_decls): Likewise.
3420
3421 2012-02-02  Sumanth G <sumanth.gundapaneni@kpitcummins.com>
3422             Jayant R Sonar <jayant.sonar@kpitcummins.com>
3423
3424         * config.gcc: Add cr16-* support.
3425
3426         * doc/extend.texi: Document cr16 extensions.
3427         * doc/install.texi: Document cr16 install.
3428         * doc/invoke.texi: Document cr16 options.
3429         * doc/md.texi: Document cr16 constraints.
3430
3431         * common/config/cr16/cr16-common.c: New file.
3432         * config/cr16/cr16.c: New file.
3433         * config/cr16/cr16.h: New file.
3434         * config/cr16/cr16.md: New file.
3435         * config/cr16/cr16.opt: New file.
3436         * config/cr16/cr16-protos.h: New file.
3437         * config/cr16/predicates.md: New file.
3438         * config/cr16/constraints.md: New file.
3439         * config/cr16/t-cr16: New file.
3440
3441 2012-02-02  Jakub Jelinek  <jakub@redhat.com>
3442
3443         PR target/52086
3444         * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
3445         that operands[2] is either immediate, or q_regs_operand.
3446
3447         PR tree-optimization/52073
3448         * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
3449         a pattern stmt for pattern uses, ignore uses outside of the loop.
3450
3451 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3452
3453         * config/avr/avr.c: Resolve all AS1 and AS2 macros.
3454         * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
3455         (OUT_AS1, OUT_AS2): Remove.
3456
3457 2012-02-01  Georg-Johann Lay  <avr@gjlay.de>
3458
3459         PR rtl-optimization/51374
3460         * combine.c (can_combine_p): Don't allow volatile_refs_p insns
3461         to cross other volatile_refs_p insns.
3462
3463 2012-02-01  Richard Guenther  <rguenther@suse.de>
3464
3465         * doc/invoke.texi (fno-inline): Clarify documentation.
3466         (finline-small-functions): Likewise.
3467         (finline-functions): Likewise.
3468         * common.opt (finline): Adjust comment and documentation.
3469         (finline-small-functions): Clarify documentation.
3470         (finline-functions): Likewise.
3471         (finline-functions-called-once): Likewise.
3472
3473 2012-02-01  Tristan Gingold  <gingold@adacore.com>
3474
3475         * c-typeck.c (composite_type): Keep mode for pointers.
3476
3477 2012-01-31  Richard Sandiford  <rdsandiford@googlemail.com>
3478
3479         * function.h (regno_reg_rtx): Adjust comment.
3480         * reginfo.c (init_reg_modes_target): Only use the previous mode
3481         if it fits within one register.  Remove MIPS comment.
3482
3483 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3484
3485         PR bootstrap/52058
3486         * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
3487
3488 2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3489
3490         * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
3491         to srak instruction.
3492
3493 2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3494
3495         * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
3496
3497 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3498
3499         PR bootstrap/52041
3500         PR bootstrap/52039
3501         PR target/51974
3502         * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
3503
3504 2012-01-31  Richard Guenther  <rguenther@suse.de>
3505
3506         PR tree-optimization/51528
3507         * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
3508         assigns.
3509
3510 2012-01-31  Jakub Jelinek  <jakub@redhat.com>
3511
3512         PR bootstrap/52041
3513         PR bootstrap/52039
3514         PR target/51974
3515         * ree.c (add_removable_extension): Change def_map argument
3516         to unsigned *, store in def_map 1 + offset into *insn_list vector
3517         instead of pointers into the vector.
3518         (find_removable_extensions): Adjust caller.
3519
3520 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3521
3522         * config/avr/avr.md: Resolve all AS1 and AS2 macros.
3523         Transform all "* quoted-c-code" to { c-code }.
3524         Remove redundant test for "optimize" in combine patterns.
3525         Move (include "avr-dimode.md") to end of file.
3526
3527 2012-01-30  Bin Cheng  <bin.cheng@arm.com>
3528
3529         PR target/51835
3530         * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
3531         for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
3532
3533 2012-01-30  Richard Guenther  <rguenther@suse.de>
3534
3535         PR tree-optimization/52028
3536         * tree-loop-distribution.c (ldist_gen): Properly update
3537         virtual SSA form.
3538
3539 2012-01-30  Jakub Jelinek  <jakub@redhat.com>
3540
3541         PR debug/52027
3542         * dwarf2out.c (dwarf2out_switch_text_section): Don't call
3543         set_cur_line_info_table if not emitting debug info.
3544
3545         PR tree-optimization/52046
3546         * tree-vect-patterns.c (check_bool_pattern): Give up if
3547         a comparison could throw.
3548
3549         PR debug/52048
3550         * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
3551
3552 2012-01-30  Richard Guenther  <rguenther@suse.de>
3553
3554         PR tree-optimization/52045
3555         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
3556         SSA form if cfgcleanup did anything.
3557
3558 2012-01-30  Richard Guenther  <rguenther@suse.de>
3559
3560         PR tree-optimization/52045
3561         * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
3562         before computing final todo.
3563
3564 2012-01-30  Richard Guenther  <rguenther@suse.de>
3565
3566         PR tree-optimization/51528
3567         * tree-sra.c (sra_modify_assign): Re-factor in preparation
3568         for PR51528 fix.
3569
3570 2012-01-30  Paolo Bonzini  <bonzini@gnu.org>
3571
3572         * df-problems.c (df_kill_notes): Check that the use refers
3573         to the note under examination.
3574
3575 2012-01-30  Eric Botcazou  <ebotcazou@adacore.com>
3576
3577         PR target/51920
3578         * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
3579         parameter and use short-lived pseudos.
3580         (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
3581         (sparc_expand_vector_init): Const-ify local variables and adjust
3582         calls to above functions.
3583
3584 2012-01-30  Georg-Johann Lay  <avr@gjlay.de>
3585
3586         * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
3587
3588 2012-01-29  Sandra Loosemore  <sandra@codesourcery.com>
3589
3590         * doc/invoke.texi: Make usage of "compile time" and
3591         "run time"/"runtime" consistent throughout the file.
3592
3593 2012-01-29  Uros Bizjak  <ubizjak@gmail.com>
3594
3595         * config/alpha/alpha.c (alpha_option_override): Default to
3596         full IEEE compliance mode for Go language.
3597
3598 2011-01-29  Tijl Coosemans  <tijl@coosemans.org>
3599
3600         * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
3601         (LINK_SSP_SPEC): Define.
3602
3603 2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3604
3605         PR target/51871
3606         * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
3607         stubs.
3608
3609 2012-01-28  Sandra Loosemore  <sandra@codesourcery.com>
3610
3611         * doc/invoke.texi: Correct hyphenation of "floating point",
3612         "double precision", and related terminology throughout the file.
3613
3614 2012-01-28  Jakub Jelinek  <jakub@redhat.com>
3615
3616         PR target/52006
3617         * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
3618         arm_general_register_operand predicate for operand 2 instead of
3619         register_operand.
3620
3621 2012-01-27  Ian Lance Taylor  <iant@google.com>
3622
3623         PR go/47656
3624         * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
3625         * builtins.c (expand_builtin_init_trampoline): Add onstack
3626         parameter.  Change caller.
3627         (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
3628         * tree.c (build_common_builtin_nodes): Declare
3629         __builtin_init_heap_trampoline.
3630
3631 2012-01-27  Georg-Johann Lay  <avr@gjlay.de>
3632
3633         * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
3634         tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
3635         * config/avr/avr.c: Ditto.
3636         (avr_regnames): Remove because unused.
3637         * config/avr/avr.md (*cpse.ne): New peephole.
3638         (*cpse.eq): New peephole from former cpse peepholes.
3639
3640 2012-01-27  Michael Eager  <eager@eagercon.com>
3641
3642         * config/microblaze.c (microblaze_emit_compare): Correct
3643         test after pcmp instruction.
3644
3645 2012-01-27  Richard Guenther  <rguenther@suse.de>
3646
3647         PR tree-optimization/52020
3648         * tree-sra.c (sra_modify_assign): Do not transform clobbers.
3649
3650 2012-01-27  Richard Guenther  <rguenther@suse.de>
3651
3652         * ipa-pure-const.c (check_stmt): Clobbers do not make a
3653         function non-const/pure.
3654
3655 2012-01-27  Richard Guenther  <rguenther@suse.de>
3656
3657         PR tree-optimization/50444
3658         * tree-sra.c (build_ref_for_offset): Properly adjust the
3659         MEM_REF type for unaligned accesses.
3660
3661 2012-01-27  Richard Guenther  <rguenther@suse.de>
3662
3663         PR tree-optimization/50444
3664         * expr.c (mem_ref_refers_to_non_mem_p): New function.
3665         (expand_assignment): Use it.  Properly handle misaligned
3666         bases when expanding stores to component references.
3667         (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
3668         refactor that case.
3669
3670 2012-01-27  Andrey Belevantsev  <abel@ispras.ru>
3671
3672         PR middle-end/51389
3673         * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
3674         * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
3675         * tree-data-ref.c (find_data_references_in_loop): Make static.
3676         (compute_all_dependences): Change return type to bool.  Bail out
3677         for too many datarefs in a loop.  Move the hunk resetting the data
3678         dependences vector from ...
3679         (compute_data_dependences_for_loop): ... here.  Account for
3680         compute_all_dependences returning false.
3681         (compute_data_dependences_for_bb): Likewise.
3682         * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
3683         * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
3684
3685 2012-01-27  Richard Guenther  <rguenther@suse.de>
3686
3687         PR middle-end/51959
3688         * expr.c (store_field): Use the alias-set of the scratch memory
3689         for storing to it.
3690
3691 2012-01-27  Tom de Vries  <tom@codesourcery.com>
3692
3693         PR tree-optimization/51990
3694         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
3695         WITH_SIZE_EXPR.
3696         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
3697
3698 2012-01-27  Jakub Jelinek  <jakub@redhat.com>
3699
3700         PR debug/52001
3701         * var-tracking.c (reverse_op): Don't add any reverse operation
3702         if V already has any constant locations.
3703
3704 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3705
3706         * doc/invoke.texi: Correct usage of "command line" (noun)
3707         vs "command-line" (adjective) throughout.
3708
3709 2012-01-27  Sandra Loosemore  <sandra@codesourcery.com>
3710
3711         * doc/invoke.texi (Language Independent Options): Move
3712         -Wcoverage-mismatch blurb from here....
3713         (Warning Options): ...to here.
3714
3715 2012-01-27  Peter Bergner  <bergner@vnet.ibm.com>
3716
3717         * config/rs6000/rs6000.c (rs6000_option_override_internal):
3718         Set rs6000_always_hint to false for 476.
3719
3720 2012-01-27  Matthias Klose  <doko@ubuntu.com>
3721
3722         * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
3723           system root.
3724         * incpath.c (add_standard_paths): Likewise.
3725
3726 2012-01-27  Richard Henderson  <rth@redhat.com>
3727
3728         * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3729         * config/m68k/sync.md (atomic_test_and_set): Rename from
3730         sync_test_and_setqi and adjust the operands.
3731         (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
3732         and unconditionally enable.
3733
3734 2012-01-27  Richard Henderson  <rth@redhat.com>
3735
3736         * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3737         * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
3738         (ldstub): Rename from ldstubqi.
3739         (ldstub<I24MODE>): Remove.
3740
3741 2012-01-27  Richard Henderson  <rth@redhat.com>
3742
3743         * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
3744         * c-cppbuiltin.c (cpp_atomic_builtins): Define
3745         __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
3746         * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
3747         * doc/tm.texi: Rebuild.
3748
3749 2012-01-27  Richard Henderson  <rth@redhat.com>
3750
3751         * optabs.c (gen_atomic_test_and_set): Remove default.
3752         (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
3753
3754 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3755
3756         PR rtl-optimization/51978
3757         * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
3758         (combine_reaching_defs): Likewise.
3759         (struct re_info): Remove.
3760         (add_removable_extension): Remove x and data arguments,
3761         add insn, insn_list and def_map.  Use the arguments directly
3762         instead of using struct re_info.
3763         (find_removable_extensions): Don't call add_removable_extension
3764         through note_stores, instead just call it with single_set
3765         result if non-NULL.
3766         (find_and_remove_re): Pass curr_cand->expr instead of
3767         PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
3768
3769 2012-01-26  Michael Matz  <matz@suse.de>
3770
3771         PR tree-optimization/46590
3772         * cfgexpand.c: Revert last change (r183305).
3773         * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
3774         regs.
3775         * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
3776         checking for emptiness.
3777
3778 2012-01-26  Jakub Jelinek  <jakub@redhat.com>
3779
3780         PR middle-end/51895
3781         * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
3782         non-addressable non-BLKmode base correctly.
3783
3784 2012-01-26  Michael Matz  <matz@suse.de>
3785
3786         PR tree-optimization/48794
3787         * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
3788         regions referenced from RESX/EH_DISPATCH.
3789
3790 2012-01-26  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3791
3792         * config/s390/s390.h: Make BRANCH_COST an option.
3793         * config/s390/s390.opt: New option -mbranch-cost.
3794
3795 2012-01-26  Richard Henderson  <rth@redhat.com>
3796
3797         Revert 2012-01-24 change:
3798         * trans-mem.c (requires_barrier): Do not instrument thread local
3799         variables and emit save/restore for them.
3800
3801 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3802
3803         PR middle-end/51986
3804         * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
3805         for pat == 0.
3806
3807 2012-01-25  Richard Sandiford  <rdsandiford@googlemail.com>
3808
3809         * config/mips/mips.c (mips_small_data_pattern_1): Don't process
3810         ASM_OPERANDS.
3811
3812 2012-01-25  Georg-Johann Lay  <avr@gjlay.de>
3813
3814         PR target/49868
3815         Rename __pgm to __flash.
3816         Rename __pgm1 to __flash1.
3817         Rename __pgm2 to __flash2.
3818         Rename __pgm3 to __flash3.
3819         Rename __pgm4 to __flash4.
3820         Rename __pgm5 to __flash5.
3821         Rename __pgmx to __memx.
3822         * doc/extend.texi (AVR Named Address Spaces)
3823         Rename address space names as indicated above.
3824         * config/avr/avr.c (avr_addrspace): Ditto.
3825
3826         * config/avr/avr-protos.h
3827         (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
3828         (avr_mem_pgm_p): Rename to avr_mem_flash_p.
3829         * config/avr/predicates.md: Ditto.
3830         * config/avr/avr.c Ditto, and
3831         (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
3832         (avr_decl_pgm_p): Rename to avr_decl_flash_p.
3833
3834         * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
3835         (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
3836         (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
3837         (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
3838         (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
3839         (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
3840         (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
3841         * config/avr/avr.c: Ditto.
3842         * config/avr/avr.md: Ditto.
3843
3844 2012-01-25  Jason Merrill  <jason@redhat.com>
3845
3846         PR c++/51992
3847         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
3848
3849 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR tree-optimization/51987
3852         * tree-data-ref.c (get_references_in_stmt): Handle references in
3853         non-volatile GIMPLE_ASM.
3854
3855 2012-01-25  Richard Guenther  <rguenther@suse.de>
3856
3857         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
3858         bases are dereferenced.
3859
3860 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3861
3862         PR rtl-optimization/48374
3863         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
3864
3865 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
3866
3867         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
3868         compute_data_dependences_for_loop returns false.
3869         * tree-parloops.c (loop_parallel_p): Likewise.
3870
3871 2012-01-25  Richard Guenther  <rguenther@suse.de>
3872
3873         * tree.h (get_pointer_alignment_1): Declare.
3874         * builtins.c (get_pointer_alignment_1): New function.
3875         (get_pointer_alignment): Use it.
3876
3877 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
3878
3879         PR rtl-optimization/48308
3880         * combine.c (enum undo_kind): Add UNDO_LINKS.
3881         (struct undo): Add member l to other_contents and where.
3882         (do_SUBST_LINK): New.
3883         (SUBST_LINK): New.
3884         (try_combine): Handle LOG_LINKS for the dummy i1 case.
3885         (undo_all): Handle UNDO_LINKS.
3886
3887 2012-01-25  Richard Henderson  <rth@redhat.com>
3888
3889         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
3890         mem inputs.
3891
3892 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3893
3894         * optabs.c (gen_atomic_test_and_set): Use each argument.
3895
3896 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3897
3898         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
3899         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
3900         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
3901         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
3902         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
3903         TARGET_PAIRED_SINGLE_FLOAT.
3904
3905 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3906
3907         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3908         (in_struct, return_val): Remove MEM documentation.
3909         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
3910         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
3911         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
3912         and MEM_SCALAR.
3913         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3914         * cfgexpand.c (add_alias_set_conflicts): Likewise.
3915         * expr.c (store_field): Likewise.
3916         * function.c (assign_stack_temp_for_type): Likewise.
3917         * ifcvt.c (noce_try_cmove_arith): Likewise.
3918         * reload1.c (reload): Likewise.
3919         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
3920         (alpha_set_memflags): Likewise.
3921         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
3922
3923 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
3924
3925         * rtl.h (true_dependence, canon_true_dependence): Remove varies
3926         parameter.
3927         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
3928         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
3929         (true_dependence_1, true_dependence, canon_true_dependence): Remove
3930         varies parameter.
3931         * cselib.c (cselib_rtx_varies_p): Delete.
3932         (cselib_invalidate_mem): Update call to canon_true_dependence.
3933         * dse.c (record_store, check_mem_read_rtx): Likewise.
3934         (scan_reads_nospill): Likewise.
3935         * cse.c (check_dependence): Likewise.
3936         (cse_rtx_varies_p): Delete.
3937         * expr.c (safe_from_p): Update call to true_dependence.
3938         * ira.c (validate_equiv_mem_from_store): Likewise.
3939         (memref_referenced_p): Likewise.
3940         * postreload-gcse.c (find_mem_conflicts): Likewise.
3941         * sched-deps.c (sched_analyze_2): Likewise.
3942         * store-motion.c (load_kills_store): Likewise.
3943         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
3944         * gcse.c (mems_conflict_for_gcse_p): Likewise.
3945         (compute_transp): Update call to canon_true_dependence.
3946
3947 2012-01-25  Richard Henderson  <rth@redhat.com>
3948
3949         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
3950         (maybe_emit_atomic_test_and_set): New.
3951         (expand_sync_lock_test_and_set): Use it.
3952         (expand_atomic_test_and_set): Likewise.
3953         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
3954         the implementation; clarify implementation defined details.
3955         * doc/md.texi (atomic_test_and_set): Document.
3956
3957 2012-01-25  Richard Henderson  <rth@redhat.com>
3958
3959         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
3960
3961 2012-01-25  Richard Henderson  <rth@redhat.com>
3962
3963         PR target/51968
3964         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
3965         to effect no-op split.
3966
3967 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3968
3969         PR lto/51698
3970         * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
3971         (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
3972         (BT_FN_VOID_PTR_INT_SIZE): New.
3973         (BT_FN_UINT_UINT_VAR): Remove.
3974         (BT_FN_UINT32_UINT32_VAR): New.
3975         (BT_FN_DOUBLE_VPTR): Remove.
3976         (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
3977
3978         * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
3979         (_ITM_changeTransactionMode): Same.
3980         (_ITM_memmoveRtWt): Change return type to void.
3981         (_ITM_memcpyRtWt): Same.
3982         (_ITM_memsetW): Same.
3983         (_ITM_RaRD): Change types to double.
3984         (_ITM_RD): Same.
3985         (_ITM_RaWD): Same.
3986         (_ITM_RfWD): Same.
3987
3988         * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
3989
3990 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
3991             Patrick Marlier  <patrick.marlier@gmail.com>
3992
3993         * trans-mem.c (requires_barrier): Do not instrument thread local
3994         variables and emit save/restore for them.
3995
3996 2012-01-24  Jason Merrill  <jason@redhat.com>
3997
3998         PR c++/51812
3999         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
4000         output static aliases.
4001
4002 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4003
4004         PR driver/47249
4005         * common.opt (-pie, -shared, pie, shared): Change from Common to
4006         Driver.
4007         * gcc.c (display_help): Display help for -pie and -shared.
4008
4009 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
4010
4011         PR target/49868
4012         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
4013         Remove note on size/offset limitation.
4014         (AVR Variable Attributes): Add example how to read data located
4015         with progmem.  Refer to named address spaces.
4016         * doc/invoke.texi (AVR Options): Fix typo.
4017
4018 2012-01-24  Richard Guenther  <rguenther@suse.de>
4019
4020         Forward-port to trunk
4021         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
4022
4023         PR middle-end/45678
4024         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
4025         op0 isn't sufficiently aligned and there is movmisalignM
4026         insn for mode, use it to load op0 into a temporary register.
4027
4028 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
4029
4030         PR target/51957
4031         * target.def (const_not_ok_for_debug_p): New hook.
4032         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
4033         documentation.
4034         * doc/tm.texi: Regenerated.
4035         * dwarf2out.c (const_ok_for_output_1): If
4036         targetm.const_not_ok_for_debug_p returns true, fail.
4037         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
4038         function.
4039         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
4040
4041 2012-01-23  Kai Tietz  <ktietz@redhat.com>
4042
4043         PR target/51900
4044         * config/i386/predicates.md (symbolic_operand): Allow
4045         UNSPEC_PCREL as PIC expression for lea.
4046         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
4047         * config/i386/i386.c (ix86_delegitimize_address): Handle
4048         UNSPEC_PCREL for none-MEM, too.
4049
4050 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4051
4052         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
4053         (ipa_tm_create_version_alias): Same.
4054
4055 2012-01-23  Uros Bizjak  <ubizjak@gmail.com>
4056
4057         PR libitm/51830
4058         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
4059         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
4060
4061 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
4062             Patrick Marlier  <patrick.marlier@gmail.com>
4063             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
4064
4065         PR lto/51916
4066         * lto-wrapper.c (run_gcc): Pass the LTO section name to
4067         simple_object_start_read.
4068
4069 2012-01-23  Richard Guenther  <rguenther@suse.de>
4070
4071
4072         PR tree-optimization/51895
4073         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
4074         parameter decomposition into BLKmode components.
4075
4076 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
4077
4078         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
4079         fake variables for restrict-qualified pointers whose pointed-to type
4080         contains a placeholder.
4081
4082 2012-01-23  Richard Guenther  <rguenther@suse.de>
4083
4084         PR tree-optimization/51949
4085         * ipa-split.c (execute_split_functions): Do not split malloc functions.
4086
4087 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
4088
4089         PR rtl-optimization/51933
4090         * ree.c (transform_ifelse): Return true right away if dstreg is
4091         already wider or equal to cand->mode.
4092         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
4093         (make_defs_and_copies_lists): Remove defs_list and copies_list
4094         arguments, add state argument, just truncate state->work_list
4095         instead of always allocating and freeing the vector.  Assert that
4096         get_defs succeeds instead of returning 2.  Changed return type to bool.
4097         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
4098         have ext_src_mode, see if it has been modified already with the
4099         right kind of extension and has been extended before from the
4100         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
4101         just return true.  Remember the original mode in state->modified array.
4102         (combine_reaching_defs): Add state argument.  Don't allocate and
4103         free here def_list, copied_list and vec vectors, instead just
4104         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
4105         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
4106         Add state variable, clear vectors in it, initialize state.modified
4107         if needed.  Free all the vectors at the end and state.modified too.
4108         Don't skip a candidate if the extension expression has been modified.
4109
4110 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
4111
4112         PR target/47096
4113         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
4114          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
4115         (extra_options) interix.opt -> i386/interix.opt"
4116         (extra_objs):Add winnt-stubs.o
4117         * configure.ac: Add interix to target_os .comm on PE check.
4118         * configure: Regenerate.
4119         * config/interix3.h: Delete and move bits to..
4120         * config/interix.h: Delete and move bits to..
4121         * config/i386/i386-interix3.h: Delete and move bits to..
4122         * config/i386/i386-interix.h: ..here.
4123         (TARGET_CPU_DEFAULT): Remove redefinition.
4124         (TARGET_ASM_CONSTRUCTOR): Undefine.
4125         (SUBTARGET_SWITCHES): Define for ms-bitfields.
4126         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
4127         (PTRDIFF_TYPE): Define.
4128         (LONG_DOUBLE_TYPE_SIZE): Define.
4129         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
4130         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
4131         (TARGET_SECTION_TYPE_FLAGS): Define.
4132         (ASM_DECLARE_FUNCTION_NAME): Define.
4133         (ASM_OUTPUT_EXTERNAL): Define.
4134         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
4135         (ASM_OUTPUT_ALIGNED_BSS): Define.
4136         (PCC_BITFIELD_TYPE_MATTERS): Define.
4137         (USE_CONST_SECTION): Define.
4138         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
4139         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
4140         (SUPPORTS_ONE_ONLY): Remove.
4141         (I386_PE_STRIP_ENCODING): Define.
4142         * config/interix.opt: Delete and move bits to..
4143         * config/i386/interix.opt: ..here. New.
4144         (mpe-aligned-commons): Add.
4145         * config/i386/t-interix: Add copyright header.
4146         (winnt-stubs.o): Add rule.
4147
4148 2012-01-22  Jason Merrill  <jason@redhat.com>
4149
4150         PR c++/51832
4151         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
4152         for extra name aliases.
4153
4154 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4155
4156         PR rtl-optimization/51924
4157         * ree.c (combine_set_extension): Improve debugging message.
4158         (combine_reaching_defs): Likewise.
4159         (get_defs): Rename confusingly named variable.
4160         (find_and_remove_re): Skip a candidate if the extension expression has
4161         been modified.
4162
4163 2012-01-21  Robert Millan  <rmh@gnu.org>
4164             Gerald Pfeifer  <gerald@pfeifer.com>
4165
4166         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
4167         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
4168
4169 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4170
4171         PR tree-optimization/51914
4172         * tree-vect-stmts.c (vectorizable_conversion): For
4173         cvt_type && modifier == WIDEN, put temporary with cvt_type
4174         at the beginning of vec_dsts and set vec_dest to temporary
4175         with vectype_out.
4176
4177 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
4178
4179         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
4180
4181 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
4182
4183         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
4184         * config/rs6000/rs6000.c: Likewise.
4185
4186 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
4187
4188         PR target/51915
4189         * config/arm/arm.c (arm_count_output_move_double_insns): Call
4190         output_move_double on a copy of operands array.
4191
4192 2012-01-20  Cary Coutant  <ccoutant@google.com>
4193             Dodji Seketeli  <dodji@redhat.com>
4194
4195         PR debug/45682
4196         * dwarf2out.c (copy_declaration_context): Return ref to parent
4197         of declaration DIE, if necessary.
4198         (remove_child_or_replace_with_skeleton): Add new parameter; update
4199         caller.  Place skeleton DIE under parent DIE of original declaration.
4200         Move call to copy_declaration_context to here ...
4201         (break_out_comdat_types): ... from here.
4202
4203 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4204
4205         PR rtl-optimization/51856
4206         * reload.c (find_reloads_subreg_address): Set the address_reloaded
4207         flag to reloaded.
4208
4209 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4210
4211         PR target/51819
4212         * config/arm/arm.c (arm_print_operand): Correct output of alignment
4213         hints for neon loads and stores.
4214
4215 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
4216
4217         PR target/49868
4218         PR target/50887
4219         * doc/extend.texi (Named Address Spaces): Split into subsections.
4220         (AVR Named Address Spaces): New subsection.
4221         (M32C Named Address Spaces): New subsection.
4222         (RL78 Named Address Spaces): New subsection.
4223         (SPU Named Address Spaces): New subsection.
4224         (Variable Attributes): New anchor "AVR Variable Attributes".
4225         (AVR Variable Attributes): Rewrite and avoid wording
4226         "address space" in this context.
4227         * doc/invoke.texi (AVR Options): Rewrite and add documentation
4228         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
4229         (AVR Built-in Macros): New subsubsection therein.
4230         * doc/md.texi (AVR constraints): Remove "C04", "R".
4231
4232 2012-01-20  Richard Guenther  <rguenther@suse.de>
4233
4234         PR tree-optimization/51903
4235         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
4236         when removing stmts.
4237
4238 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
4239
4240         PR target/50313
4241         * config/arm/arm.c (arm_load_pic_register): Use
4242         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
4243         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
4244         (arm_pic_static_addr): Likewise.
4245         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
4246         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
4247         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
4248         (pic_load_addr_unified): New.
4249
4250 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
4251
4252         PR target/51106
4253         * function.c (instantiate_virtual_regs_in_insn): Use
4254         delete_insn_and_edges when removing a wrong asm insn.
4255
4256 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
4257
4258         PR rtl-optimization/40761
4259         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
4260         Add new member loop_num.
4261         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
4262         (ira_build): Remove the parameter.
4263
4264         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
4265         (ira.c): Do not build CFG loops for one region allocation.  Remove
4266         argument from ira_build call.
4267
4268         * ira-build.c (init_loop_tree_node): New function.
4269         (create_loop_tree_nodes): Use it.  Separate the case when CFG
4270         loops are not built.
4271         (more_one_region_p): Check current_loops.
4272         (finish_loop_tree_nodes): Separate the case when CFG loops are not
4273         built.
4274         (add_loop_to_tree): Process loop equal to NULL too.
4275         (form_loop_tree): Separate the case when CFG loops are not built.
4276         Use explicitly number for the root.
4277         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
4278         an assertion.
4279         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
4280         instead of loop->num.
4281         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
4282         (mark_all_loops_for_removal): Ditto.
4283         (remove_unnecessary_regions): Separate the case when CFG loops
4284         are not built.
4285         (ira_build): Remove the parameter.  Use explicit number of regions
4286         when CFG loops are not built.
4287
4288         * ira-color.c (print_loop_title): Separate the case for the root node.
4289         Use loop_num instead of loop->num.
4290         (move_spill_restore): Use loop_num instead of loop->num.
4291
4292         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
4293         (change_loop): Ditto.
4294         (change_loop): Use loop_num instead of loop->num.
4295
4296         * ira-lives.c (process_bb_node_lives): Ditto.
4297
4298         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
4299
4300         * ira-conflicts.c (print_allocno_conflicts): Ditto.
4301
4302 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4303
4304         PR libmudflap/40778
4305         * tree-mudflap.c (mf_artificial): New function.
4306         (execute_mudflap_function_ops, execute_mudflap_function_decls,
4307         mx_register_decls, mudflap_enqueue_decl): Use it.
4308
4309         PR target/51876
4310         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
4311         numbers in the insn pattern.
4312
4313 2012-01-19  Michael Matz  <matz@suse.de>
4314
4315         PR tree-optimization/46590
4316         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
4317         use it in remembering which conflicts we already created.
4318         (add_scope_conflicts): Adjust call to above, (de)allocate helper
4319         bitmap.
4320
4321 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
4322
4323         PR lto/51280
4324         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
4325         (merge_and_complain): Same.
4326
4327 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
4328
4329         PR bootstrap/50237
4330         * config/initfini-array.h: Guard content of the header
4331         with #ifdef HAVE_INITFINI_ARRAY.
4332         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
4333         Add initfini-array.h to tm_file here.
4334         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
4335         * config.gcc: Don't add initfini-array.h to tm_file here.
4336         * configure: Regenerated.
4337
4338 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
4339
4340         PR rtl-optimization/51505
4341         * df-problems.c (df_kill_notes): New parameter live. Update comment.
4342         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
4343         (df_note_bb_compute): Update the call to df_kill_notes.
4344
4345 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
4346
4347         * trans-mem.c (requires_barrier): Remove call to is_global_var.
4348
4349 2012-01-18  Richard Guenther  <rguenther@suse.de>
4350
4351         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
4352         of conversions to void *.
4353
4354 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4355             Richard Sandiford  <rdsandiford@googlemail.com>
4356
4357         PR middle-end/50325
4358         PR middle-end/51192
4359         * optabs.h (simplify_expand_binop): Declare.
4360         * optabs.c (simplify_expand_binop): Make global.
4361         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
4362         endian targets if the source cannot be exactly covered by word
4363         mode chunks.
4364
4365 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4366
4367         PR bootstrap/51872
4368         * hard-reg-set.h (struct hard_reg_set_container): New type.
4369         * target.h (struct hard_reg_set_container): Forward declare.
4370         * target.def (set_up_by_prologue): New target hook.
4371         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
4372         * doc/tm.texi: Regenerated.
4373         * function.c (thread_prologue_and_epilogue_insns): Change
4374         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
4375         Call targetm.set_up_by_prologue on it.
4376         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
4377         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
4378
4379 2012-01-17  Nick Clifton  <nickc@redhat.com>
4380
4381         * config/rx/rx.c (rx_can_use_simple_return): New function.
4382         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
4383         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
4384
4385 2012-01-17  Richard Guenther  <rguenther@suse.de>
4386
4387         PR middle-end/51782
4388         * expr.c (expand_assignment): Take address-space information
4389         from the address operand of MEM_REF and TARGET_MEM_REF.
4390         (expand_expr_real_1): Likewise.
4391
4392 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
4393
4394         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
4395         reload dump is requested.
4396
4397 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
4398
4399         PR other/51165
4400         * trans-mem.c (requires_barrier): Call may_be_aliased.
4401
4402 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
4403
4404         PR tree-optimization/51877
4405         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
4406         call arguments and fndecls compare equal, instead return false if they
4407         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
4408         both SSA_NAMEs that are valueized the same, or they satisfy
4409         operand_equal_p.
4410
4411 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4412
4413         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
4414         Solaris 11+.
4415         * configure: Regenerate.
4416
4417 2012-01-16  Jan Hubicka  <jh@suse.cz>
4418
4419         PR c/12245
4420         PR c++/14179
4421         * convert.c (convert_to_integer): Use fold_convert for
4422         converting an INTEGER_CST to integer type.
4423
4424 2012-01-16  Jason Merrill  <jason@redhat.com>
4425
4426         PR c++/14179
4427         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
4428
4429 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
4430
4431         PR bootstrap/51860
4432         * config/s390/s390.c (s390_chunkify_start): Don't skip
4433         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
4434         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
4435         If insn is followed by NOTE_INSN_VAR_LOCATION or
4436         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
4437         Don't use location of note insns.
4438
4439         PR tree-optimization/51865
4440         * tree-inline.c (tree_function_versioning): Call remap_decl
4441         on DECL_RESULT whenever it has VOID_TYPE_P type.
4442
4443 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
4444
4445         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
4446         for calls to locally-binding MIPS16 functions if only the return
4447         type uses float regs.
4448
4449 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
4450             Richard Sandiford  <rdsandiford@googlemail.com>
4451
4452         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
4453         (SYMBOL_32_HIGH): Likewise.
4454         (mips_output_tls_reloc_directive): Declare.
4455         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
4456         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
4457         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
4458         (mips_lo_relocs, mips_hi_relocs): Make extern.
4459         (mips16_stub_function): Move up file.
4460         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
4461         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
4462         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
4463         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
4464         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
4465         (mips_get_tp): Add MIPS16 support.
4466         (mips_legitimize_tls_address): Remove MIPS16 sorry().
4467         Generalize DTPREL and TPREL handling.
4468         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
4469         Add MIPS16 TLS support.
4470         (mips_output_tls_reloc_directive): New function.
4471         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
4472         * config/mips/predicates.md (symbolic_operand_with_high)
4473         (tls_reloc_operand): New predicates.
4474         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
4475         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
4476         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
4477         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
4478         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
4479         (*tls_get_tp_mips16_call_<mode>): Likewise.
4480
4481 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
4482
4483         PR rtl-optimization/51821
4484         * recog.c (peep2_find_free_register): Determine clobbered registers
4485         from insn pattern.
4486
4487 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
4488
4489         PR target/50925
4490         * config/avr/avr-protos.h: Revert change of 2012-01-09.
4491         * config/avr/avr.c: Likewise.
4492         * config/avr/avr.h: Likewise.
4493
4494 2012-01-13  Ian Lance Taylor  <iant@google.com>
4495
4496         PR c++/50012
4497         * tree.h (TYPE_QUALS): Add cast to int.
4498         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
4499
4500 2012-01-13  Ian Lance Taylor  <iant@google.com>
4501
4502         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
4503         comparing param_index to VEC_length result.
4504
4505 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
4506
4507         * c-decl.c: Do not include tree-mudflap.h
4508         * tree-optimize.c: Likewise.
4509         * Makefile.in: Update dependencies.
4510
4511 2012-01-13  Richard Guenther  <rguenther@suse.de>
4512
4513         PR middle-end/8081
4514         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
4515         variable-sized result always use RSO.
4516
4517 2012-01-12  DJ Delorie  <dj@redhat.com>
4518
4519         * cfgexpand.c (convert_debug_memory_address): Allow any valid
4520         pointer type, not just the default pointer type.
4521
4522 2012-01-09  Richard Henderson  <rth@redhat.com>
4523             Denis Chertykov  <chertykov@gmail.com>
4524
4525         PR target/50925
4526         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
4527         * config/avr/avr.c (avr_can_eliminate): Simplify.
4528         (avr_initial_elimination_offset): Likewise.
4529         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
4530         (expand_epilogue): Likewise.
4531         (avr_legitimize_address): Gut.
4532         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
4533         (avr_hard_regno_nregs): New.
4534         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
4535         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
4536         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
4537         add soft frame pointer.
4538         (CALL_USED_REGISTERS): Likewise.
4539         (REG_CLASS_CONTENTS): Likewise.
4540         (REGISTER_NAMES): Likewise.
4541         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
4542         (HARD_FRAME_POINTER_REGNUM): New.
4543         (FRAME_POINTER_REGNUM): Use soft frame pointer.
4544         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
4545         remove the HARD_FRAME_POINTER self-elimination.
4546
4547 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
4548
4549         PR target/51756
4550         * config/avr/avr.c (avr_encode_section_info): Test for absence of
4551         DECL_EXTERNAL when checking for initializers of progmem variables.
4552
4553 2012-01-12  Ira Rosen  <irar@il.ibm.com>
4554
4555         PR tree-optimization/51799
4556         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
4557         that the last operation is a type demotion.
4558
4559 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
4560
4561         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
4562         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
4563
4564 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
4565
4566         PR bootstrap/51796
4567         * combine.c (distribute_notes): If i3 is a noreturn call,
4568         allow old_size to be equal to args_size and make sure the
4569         noreturn call gets REG_ARGS_SIZE note.
4570         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
4571         on noreturn calls even when the delta is 0.
4572
4573 2012-01-11  Nathan Sidwell  <nathan@acm.org>
4574
4575         * gcov.c (STRING_SIZE): Remove.
4576         (generate_results): Erase annotations for source files with no
4577         coverage information.
4578         (read_line): New.
4579         (output_lines): Use it.
4580
4581 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4582
4583         * gimple.h (gimplify_body): Remove first argument.
4584         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
4585         pointer set here, instead just pass DATA to walk_tree.
4586         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
4587         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
4588         (unvisit_body): Likewise, but with unmark_visited.
4589         (gimplify_body): Remove BODY_P argument and adjust.
4590         (gimplify_function_tree): Adjust call to gimplify_body.
4591         * omp-low.c (finalize_task_copyfn): Likewise.
4592
4593 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4594
4595         * tree.h (build_function_decl_skip_args): Add boolean parameter.
4596         (build_function_type_skip_args): Delete.
4597         * tree.c (build_function_type_skip_args): Make static and add
4598         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
4599         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
4600         pass it to build_function_type_skip_args.
4601         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
4602         (tree_function_versioning): Likewise.
4603         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
4604         build_function_decl_skip_args.
4605         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
4606         and pass it to build_function_decl_skip_args/tree_function_versioning.
4607         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
4608         * ipa-inline-transform.c (save_inline_function_body): Likewise.
4609         * trans-mem.c (ipa_tm_create_version): Likewise.
4610         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
4611         * tree-inline.c (declare_return_variable): Remove always-true test.
4612         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
4613         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
4614         * ipa-split.c (split_function): Skip the return value for the split
4615         part if it doesn't return.
4616
4617 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4618
4619         PR tree-optimization/49642
4620         * ipa-split.c (forbidden_dominators): New variable.
4621         (check_forbidden_calls): New function.
4622         (dominated_by_forbidden): Likewise.
4623         (consider_split): Check for forbidden dominators.
4624         (execute_split_functions): Initialize and free forbidden
4625         dominators info; call check_forbidden_calls.
4626
4627 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4628
4629         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
4630
4631 2012-01-11  Nick Clifton  <nickc@redhat.com>
4632
4633         * config/rx/rx.md (return): Define pattern.
4634
4635 2012-01-11  Richard Guenther  <rguenther@suse.de>
4636
4637         * doc/extend.texi (malloc attribute): Adjust according to
4638         implementation.
4639
4640 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
4641             Patrick Marlier  <patrick.marlier@gmail.com>
4642
4643         PR middle-end/51516
4644         * trans-mem.c (get_cg_data): Traverse aliases if requested.
4645         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
4646         (ipa_tm_note_irrevocable): Same.
4647         (ipa_tm_scan_irr_block): Same.
4648         (ipa_tm_decrement_clone_counts): Same.
4649         (ipa_tm_scan_irr_function): Same.
4650         (ipa_tm_create_version_alias): Same.
4651         (ipa_tm_create_version): Same.
4652         (ipa_tm_transform_calls_redirect): Same.
4653         (ipa_tm_transform_calls): Same.
4654         (ipa_tm_transform_transaction): Same.
4655         (ipa_tm_execute): Same.
4656
4657 2012-01-10  Richard Guenther  <rguenther@suse.de>
4658
4659         PR middle-end/51806
4660         * opts.c (common_handle_option): Handle -Werror.
4661
4662 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
4663
4664         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
4665         operand number.
4666
4667 2012-01-10  Jason Merrill  <jason@redhat.com>
4668
4669         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
4670         information.
4671
4672 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4673
4674         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
4675         supports R_386_TLS_GD_PLT reloc.
4676         (gcc_cv_as_ix86_tlsldmplt): Check if linker
4677         supports R_386_TLS_LDM_PLT reloc.
4678         * configure: Regenerate.
4679         * config.in: Regenerate.
4680
4681 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
4682
4683         PR target/49868
4684         Extend __pgmx semantics to linearize memory.
4685         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
4686         determine if code comes inline or from libgcc.
4687         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
4688         (movmem_qi, movmem_qi): Set constraint #2 to "n".
4689         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
4690         (movmemx_qi, movmemx_hi): New insns.
4691         (xload_<mode>_libgcc): Rewrite to new insn condition.
4692         (xload_<mode>): Remove insns.
4693         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
4694         cases that don't satisfy avr_xload_libgcc_p().
4695         (avr_addr_space_convert): Allow converting in any direction.
4696         (avr_addr_space_subset_p): Return always true.
4697         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
4698         (avr_emit_movmemhi): Ditto.
4699         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
4700         (avr_out_movmem): Ditto.
4701         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
4702         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
4703         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
4704         (avr_encode_section_info): Encode 'progmem' in symbol flags.
4705         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
4706
4707 2012-01-10  Richard Guenther  <rguenther@suse.de>
4708
4709         PR tree-optimization/50913
4710         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
4711         Require data-refs to be representable by Graphite with respect
4712         to any loop nest.
4713
4714 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
4715
4716         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
4717         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
4718
4719 2012-01-10  Tom de Vries  <tom@codesourcery.com>
4720
4721         PR rtl-optimization/51271
4722         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
4723         handling annulled branch.
4724
4725 2012-01-10  Richard Henderson  <rth@redhat.com>
4726
4727         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
4728         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
4729         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
4730         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
4731         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
4732         arm_expand_vec_perm_const): New.
4733         * config/arm/arm-protos.h: Update.
4734         * config/arm/neon.md (UNSPEC_VCONCAT): New.
4735         (*neon_vswp<VDQX>): New.
4736         (neon_vcombine<VDX>): Use neon_split_vcombine.
4737         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
4738         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
4739         (vec_perm<VE>): New.
4740
4741 2012-01-10  Richard Henderson  <rth@redhat.com>
4742
4743         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
4744         use it if reload_completed.
4745         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
4746         arm_output_asm_insn, arm_process_output_memory_barrier,
4747         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
4748         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
4749         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
4750         arm_process_output_sync_insn, arm_output_sync_insn,
4751         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
4752         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
4753         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
4754         (emit_unlikely_jump): New.
4755         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
4756         (arm_split_atomic_op): New.
4757         * config/arm/arm-protos.h: Update.
4758         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
4759         (struct arm_sync_generator): Remove.
4760         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
4761         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
4762         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
4763         (VUNSPEC_LL, VUNSPEC_SC): New.
4764         (sync_result, sync_memory, sync_required_value, sync_new_value,
4765         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
4766         (attr length): Don't use arm_sync_loop_insns.
4767         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
4768         (movsfcc, movdfcc): Likewise.
4769         * config/arm/constraints.md (Ua): New.
4770         * config/arm/prediates.md (mem_noofs_operand): New.
4771         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
4772         (sync_clobber, sync_t2_reqd): Remove.
4773         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
4774         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
4775         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
4776         (arm_sync_compare_and_swap<SIDI>): Remove.
4777         (arm_sync_compare_and_swap<NARROW>): Remove.
4778         (arm_sync_lock_test_and_set<SIDI>): Remove.
4779         (arm_sync_lock_test_and_set<NARROW>): Remove.
4780         (arm_sync_new_<syncop><SIDI>): Remove.
4781         (arm_sync_new_<syncop><NARROW>): Remove.
4782         (arm_sync_new_nand<SIDI>): Remove.
4783         (arm_sync_new_nand<NARROW>): Remove.
4784         (arm_sync_old_<syncop><SIDI>): Remove.
4785         (arm_sync_old_<syncop><NARROW>): Remove.
4786         (arm_sync_old_nand<SIDI>): Remove.
4787         (arm_sync_old_nand<NARROW>): Remove.
4788         (*memory_barrier): Merge arm_output_memory_barrier.
4789         (atomic_compare_and_swap<QHSD>): New.
4790         (atomic_compare_and_swap<NARROW>_1): New.
4791         (atomic_compare_and_swap<SIDI>_1): New.
4792         (atomic_exchange<QHSD>): New.
4793         (cas_cmp_operand, cas_cmp_str): New.
4794         (atomic_op_operand, atomic_op_str): New.
4795         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
4796         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
4797         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
4798         (arm_load_exclusive<NARROW>): New.
4799         (arm_load_exclusivesi, arm_load_exclusivedi): New.
4800         (arm_store_exclusive<QHSD>): New.
4801
4802 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
4803
4804         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
4805         reload patterns if -mvsx-scalar-memory.
4806
4807         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
4808         generated, even -mno-vsx-scalar-double was used.
4809         (vsx_xscvdpsp_scalar): Likewise.
4810         (vsx_xscvspdp_scalar2): Likewise.
4811
4812 2012-01-09  Tom de Vries  <tom@codesourcery.com>
4813             Andrew Pinski  <apinski@cavium.com>
4814
4815         PR debug/51471
4816         * reorg.c (fill_slots_from_thread): Don't speculate
4817         frame-related insns.
4818
4819 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
4820
4821         * sched-int.h (bb_note): Move to...
4822         * basic-block.h: ...here.
4823         * haifa-sched.c (bb_note): Move to...
4824         * cfgrtl.c: ...here.
4825         * function.c (next_block_for_reg): New function.
4826         (move_insn_for_shrink_wrap): Likewise.
4827         (prepare_shrink_wrap): Rewrite to use the above.
4828
4829 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
4830
4831         * gimple.c (is_gimple_non_addressable): Remove.
4832         * gimple.h: Remove is_gimple_non_addressable.
4833         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
4834         is_gimple_non_addressable.
4835         * trans-mem.c (expand_assign_tm): Same.
4836
4837 2012-01-09  Richard Guenther  <rguenther@suse.de>
4838
4839         PR tree-optimization/51775
4840         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
4841         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
4842
4843 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
4844
4845         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
4846         tuning parameters.
4847         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
4848
4849 2012-01-09  Richard Guenther  <rguenther@suse.de>
4850
4851         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
4852
4853 2012-01-08  Jan Hubicka  <jh@suse.cz>
4854
4855         PR tree-optimize/51680
4856         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
4857         on when known_vals needs to be computed; cleanup.
4858
4859 2012-01-08  Jan Hubicka  <jh@suse.cz>
4860
4861         PR tree-optimize/51694
4862         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
4863
4864 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
4865
4866         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
4867         for -std=c++98 and -std=c++11 too.
4868
4869 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
4870
4871         * cfgloop.c (cancel_loop): Add free() of bbs array.
4872
4873 2012-01-07  Jan Hubicka  <jh@suse.cz>
4874
4875         PR tree-optimization/51600
4876         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
4877         that benefits small functions.
4878
4879 2012-01-07  Jan Hubicka  <jh@suse.cz>
4880
4881         * ipa-inline.c (want_inline_small_function_p): Fix formating.
4882
4883 2012-01-07  Jan Hubicka  <jh@suse.cz>
4884
4885         PR tree-optimization/51680
4886         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
4887         whose inlining reduce unit size.
4888
4889 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
4890
4891         PR bootstrap/51725
4892         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
4893         Add canonical node to containing_mem chain after the non-canonical
4894         one, even if there weren't any locs to propagate.
4895         (remove_useless_values): Keep only canonical values.
4896         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
4897         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
4898         canonicalize mem_chain elements that are not discarded.
4899
4900 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
4901
4902         PR target/47333
4903         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
4904         before emitting functions.
4905
4906         PR gcov-profile/50127
4907         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
4908         clear_aux_for_blocks.
4909
4910 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
4911
4912         PR debug/51746
4913         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
4914
4915 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
4916
4917         * c-decl.c (ext_block): Moved up.
4918         (collect_all_refs, for_each_global_decl): Take ext_block into account.
4919
4920 2012-01-06  Han Shen  <shenhan@google.com>
4921
4922         Translate built-in include paths for sysroot.
4923         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
4924         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
4925
4926         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
4927         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
4928
4929         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
4930         control whether sysroot should be prepended to gxx include dir.
4931
4932         * configure: Regenerate.
4933
4934 2012-01-06  Torvald Riegel  <triegel@redhat.com>
4935
4936         PR rtl-optimization/51771
4937         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
4938         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
4939
4940 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4941
4942         PR tree-optimization/51315
4943         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
4944         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
4945
4946 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
4947
4948         PR target/51681
4949         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
4950         for shrp pattern.  Correctly handle and fixup shift variable.
4951         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
4952
4953 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4954
4955         PR debug/51762
4956         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
4957         note when !ACCUMULATE_OUTGOING_ARGS.
4958
4959 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4960
4961         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
4962         condition.
4963         (extract_range_from_unary_expr_1): Avoid useless computations.
4964
4965 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4966
4967         PR rtl-optimization/51767
4968         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
4969         of jump_block and add an extra edge for degenerated asm gotos.
4970
4971         PR middle-end/51768
4972         * stmt.c (check_unique_operand_names): Don't ICE during error
4973         reporting if i is from labels chain.
4974
4975         PR middle-end/44777
4976         * profile.c (branch_prob): Split bbs that have exit edge
4977         and need a fake entry edge too.
4978
4979 2012-01-05  Jan Hubicka  <jh@suse.cz>
4980
4981         PR middle-end/49710
4982         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
4983         unlooping loops.
4984
4985 2012-01-05  Richard Guenther  <rguenther@suse.de>
4986
4987         PR lto/50490
4988         * tree-streamer-out.c (write_ts_optimization): New function.
4989         (streamer_write_tree_body): Call it.
4990         * tree-streamer-in.c (lto_input_ts_optimization): New function.
4991         (streamer_read_tree_body): Call it.
4992         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
4993
4994 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
4995
4996         PR middle-end/51761
4997         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
4998         * gimplify.c (gimplify_cleanup_point_expr): Save and set
4999         in_cleanup_point_expr before gimplify_stmt call and restore it
5000         afterwards.
5001         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
5002         in_cleanup_point_expr is false.
5003
5004 2012-01-05  Richard Guenther  <rguenther@suse.de>
5005
5006         PR middle-end/51764
5007         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
5008         to c.opt.
5009         * toplev.c (process_options): Reject combining mudflap and LTO.
5010         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
5011
5012 2012-01-05  Richard Guenther  <rguenther@suse.de>
5013
5014         PR tree-optimization/51760
5015         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
5016         not VARYING.
5017         (bit_value_unop): Handle UNDEFINED operands.
5018         (bit_value_binop): Likewise.
5019
5020 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
5021
5022         * config/avr/avr.c (avr_replace_prefix): Remove.
5023         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
5024         (avr_asm_function_rodata_section): Ditto.
5025         (avr_asm_select_section): Ditto.
5026
5027 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
5028
5029         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
5030         insertion.
5031
5032 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
5033
5034         PR bootstrap/51648
5035         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
5036         calls that have any non-fake successor edges.
5037
5038         PR debug/51746
5039         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
5040
5041 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
5042
5043         PR tree-optimization/51624
5044         * tree-sra.c (build_ref_for_model): When replicating a chain of
5045         COMPONENT_REFs, stop as soon as the offset would become negative.
5046
5047 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
5048
5049         PR debug/51695
5050         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
5051         in .debug_loc on the floor.
5052
5053 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5054
5055         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
5056
5057 2012-01-04  Andrew Pinski  <apinski@cavium.com>
5058             Adam Nemet  <anemet@caviumnetworks.com>
5059
5060         * config/mips/mips.md (size): Add SI and DI.
5061         (SIZE): New mode attribute.
5062         (U): New code attribute.
5063         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
5064         (mips_lbux_<mode>): Delete.
5065         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
5066         (mips_lhx): Use gen_mips_lhx_extsi.
5067         (mips_lhx_<mode>): Delete.
5068         (mips_lwx): Delete.
5069         (mips_l<size>x): New expand.
5070         (mips_lwx_<mode>): Delete.
5071         (mips_l<GPR:size>x_<P:mode>): New pattern.
5072         (*mips_lw<u>x_<P:mode>_ext): Likewise.
5073         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
5074         * config/mips/mips.c (mips_lx_address_p): New function.
5075         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
5076         (dsp64): New availability predicate.
5077         (mips_builtins): Add an entry for __builtin_mips_ldx.
5078         * config/mips/mips.h (ISA_HAS_LBX): New define.
5079         (ISA_HAS_LBUX): Likewise.
5080         (ISA_HAS_LHX): Likewise.
5081         (ISA_HAS_LHUX): Likewise.
5082         (ISA_HAS_LWX): Likewise.
5083         (ISA_HAS_LWUX): Likewise.
5084         (ISA_HAS_LDX): Likewise.
5085         * doc/extend.texi (__builtin_mips_ldx): Document.
5086
5087 2012-01-04  Tristan Gingold  <gingold@adacore.com>
5088
5089         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
5090         when long pointers are used.
5091         * config.build (*-*-*vms*): Handle all OpenVMS targets.
5092         (alpha64-dec-*vms*, alpha*-dec-*vms*)
5093         (ia64-hp-*vms*): Remove.
5094         * config/vms/xm-vms64.h: Delete.
5095
5096 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5097
5098         PR middle-end/51472
5099         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
5100
5101 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5102
5103         * opts.c (finish_options): Remove duplicate sorry.
5104
5105 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
5106
5107         PR middle-end/51696
5108         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
5109         correctly.
5110
5111 2012-01-04  Richard Guenther  <rguenther@suse.de>
5112
5113         PR middle-end/51750
5114         * tree.c (size_low_cst): New function.
5115         * tree.h (size_low_cst): Declare.
5116         * fold-const.c (fold_comparison): Use it to extract the low
5117         part of the POINTER_PLUS_EXPR offset.
5118
5119 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
5120
5121         Fix clearing ZERO_REG
5122         * config/avr/avr.md (cc): Add alternative "ldi".
5123         (movqi_insn): Use it in cc attribute.
5124         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
5125         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
5126         (output_reload_insisf): Use ZERO_REG to pre-clear register.
5127
5128 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5129
5130         * configure: Regenerate.
5131
5132 2012-01-04  Richard Guenther  <rguenther@suse.de>
5133
5134         PR tree-optimization/49651
5135         * tree-ssa-structalias.c (type_can_have_subvars): New function.
5136         (var_can_have_subvars): Use it.
5137         (get_constraint_for_1): Only consider subfields if there can be any.
5138
5139 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5140
5141         PR bootstrap/51725
5142         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
5143         to its new canonical_cselib_val and the cselib_val was in
5144         first_containing_mem chain, but the canonical_cselib_val was not,
5145         add the latter into the chain.
5146         (cselib_invalidate_mem): Compare canonical_cselib_val of
5147         addr_list chain elt with v.
5148
5149         PR pch/51722
5150         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
5151         dwarf2out_undef): Allocate e.info using ggc_strdup instead
5152         of xstrdup.
5153         (output_macinfo_op): Don't ggc_strdup fd->filename.
5154         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
5155         then ggc_strdup it.  Don't free inc->info or cur->info.
5156         (output_macinfo): Don't free ref->info or file->info.
5157
5158 2012-01-03  Ira Rosen  <irar@il.ibm.com>
5159
5160         PR tree-optimization/51269
5161         * tree-vect-loop-manip.c (set_prologue_iterations): Make
5162         first_niters a pointer.
5163         (slpeel_tree_peel_loop_to_edge): Likewise.
5164         (vect_do_peeling_for_loop_bound): Update call to
5165         slpeel_tree_peel_loop_to_edge.
5166         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
5167         here.  Remove it from the parameters list.
5168         (vect_do_peeling_for_alignment): Update calls and compute
5169         wide_prolog_niters.
5170
5171 2012-01-03  Richard Guenther  <rguenther@suse.de>
5172
5173         PR tree-optimization/51070
5174         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
5175         Properly handle calls.
5176
5177 2012-01-03  Richard Guenther  <rguenther@suse.de>
5178
5179         PR tree-optimization/51692
5180         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
5181         the LHS of allocation stmts.
5182
5183 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5184
5185         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
5186
5187 2012-01-03  Olivier Hainque  <hainque@adacore.com>
5188
5189         * collect2.c (main): In AIX specific computations for vector
5190         insertions, use CONST_CAST2 to cast from char ** to const char **.
5191
5192 2012-01-03  Richard Guenther  <rguenther@suse.de>
5193
5194         PR debug/51650
5195         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
5196         the context of a limbo DIE when it does not already exist.
5197
5198 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
5199
5200         PR tree-optimization/51719
5201         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
5202         but direct call is, clear direct call's lhs and don't add fallthrough
5203         edge from dcall_bb to join_bb and PHIs.
5204
5205 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5206
5207         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
5208         the instructions emitted by the pattern.
5209         ("*TDC_insn_<mode>"): Add comment.
5210
5211 2012-01-03  Richard Guenther  <rguenther@suse.de>
5212
5213         PR middle-end/51730
5214         * fold-const.c (fold_comparison): Properly canonicalize
5215         tree offset and HOST_WIDE_INT bit position.
5216
5217 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
5218
5219         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
5220         operands for extzv pattern.
5221
5222 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5223
5224         PR bootstrap/51725
5225         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
5226         on mem_elt first.
5227
5228 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
5229
5230         * doc/invoke.texi (-flto and related options): Copy-edit.
5231
5232 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5233
5234         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
5235
5236 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5237
5238         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
5239         New patterns.
5240
5241 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
5242
5243         * expr.h (move_by_pieces_ninsns): Declare.
5244         * expr.c (move_by_pieces_ninsns): Make external.
5245         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
5246         (mips_store_by_pieces_p): Likewise.
5247         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
5248         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
5249         * config/mips/mips.c (mips_move_by_pieces_p): New function.
5250         (mips_store_by_pieces_p): Likewise.
5251
5252 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
5253
5254         * passes.c (register_one_dump_file): Free full_name.
5255
5256         * reload1.c (reload): Don't allocate reg_max_ref_width here.
5257         (calculate_elim_costs_all_insns): Free offsets_at and
5258         offsets_known_at at the end and clear the pointers.
5259
5260 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5261
5262         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
5263         this option introduced in r180739.
5264
5265 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5266
5267         PR target/51345
5268         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
5269         (tmake_file target=avr): Add avr/t-multilib.
5270
5271         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
5272         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
5273         * config/avr/genmultilib.awk: New file.
5274         * config/avr/t-multilib: New auto-generated file.
5275         * config/avr/multilib.h: New auto-generated file.
5276         * config/avr/t-avr (AVR_MCUS): New variable.
5277         (genopt.sh): Use it.
5278         (s-mlib): Depend on t-multilib.
5279         (t-multilib, multilib.h): New dependencies.
5280         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
5281         (MULTILIB_OPTIONS): Remove.
5282         (MULTILIB_MATCHES): Remove.
5283         (MULTILIB_DIRNAMES): Remove.
5284         (MULTILIB_EXCEPTIONS): Remove:
5285         * config/avr/genopt.sh: Don't use hard coded file name;
5286         pass AVR_MCUS from t-avr instead.
5287
5288 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5289
5290         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
5291
5292 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
5293
5294         Implement light-weight DImode support.
5295         * config/avr/avr-dimode.md: New file.
5296         * config/avr/avr.md: Include it.
5297         (adjust_len): Add plus64, compare64.
5298         (HIDI): Remove code iterator.
5299         (code_stdname): New code attribute.
5300         (rotx, rotsmode): Remove DI.
5301         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
5302         as code iterator.
5303         * config/avr/avr-protos.h (avr_have_dimode): New.
5304         (avr_out_plus64, avr_out_compare64): New.
5305         * config/avr/avr.c (avr_out_compare): Handle DImode.
5306         (avr_have_dimode): New variable definition and initialization.
5307         (avr_out_compare64, avr_out_plus64): New functions.
5308         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
5309         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
5310         (avr_compare_pattern): Skip DImode comparisons.
5311
5312 2012-01-02  Revital Eres  <revital.eres@linaro.org>
5313
5314         * ddg.c (def_has_ccmode_p): New function.
5315         (add_cross_iteration_register_deps,
5316         create_ddg_dep_from_intra_loop_link): Call it.
5317
5318 2012-01-02  Richard Guenther  <rguenther@suse.de>
5319
5320         PR other/51679
5321         * invoke.texi (fassociative-math): Remove spurious paranthesis.
5322
5323 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5324
5325         * gcc.c (process_command): Update copyright notice dates.
5326         * gcov.c (print_version): Likewise.
5327         * gcov-dump.c (print_version): Likewise.
5328         * mips-tfile.c (main): Likewise.
5329         * mips-tdump.c (main): Likewise.
5330
5331 2012-01-01  Ira Rosen  <irar@il.ibm.com>
5332
5333         PR tree-optimization/51704
5334         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
5335         a use is inside the basic block or loop before accessing its vect info.
5336
5337 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
5338
5339         PR rtl-optimization/51069
5340         * cfgloopmanip.c (remove_path): Removing path making irreducible
5341         region unconditional makes BB part of the region.
5342
5343 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
5344
5345         PR tree-optimization/51683
5346         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
5347         calls with side-effects.
5348         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
5349 \f
5350 Copyright (C) 2012 Free Software Foundation, Inc.
5351
5352 Copying and distribution of this file, with or without modification,
5353 are permitted in any medium without royalty provided the copyright
5354 notice and this notice are preserved.