gcc/ChangeLog

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