diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index eba4a06..7f448ee 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -143,6 +143,11 @@ enum rs6000_dependence_cost rs6000_sched_costly_dep; const char *rs6000_sched_insert_nops_str; enum rs6000_nop_insertion rs6000_sched_insert_nops; +/* Support targetm.vectorize.builtin_mask_for_load. */ +tree altivec_builtin_mask_for_load; +/* Support targetm.vectorize.builtin_mask_for_store. */ +tree altivec_builtin_mask_for_store; + /* Size of long double */ const char *rs6000_long_double_size_string; int rs6000_long_double_type_size; @@ -681,6 +686,8 @@ static int redefine_groups (FILE *, int, rtx, rtx); static int pad_groups (FILE *, int, rtx, rtx); static void rs6000_sched_finish (FILE *, int); static int rs6000_use_sched_lookahead (void); +static tree rs6000_builtin_mask_for_load (void); +static tree rs6000_builtin_mask_for_store (void); static void rs6000_init_builtins (void); static rtx rs6000_expand_unop_builtin (enum insn_code, tree, rtx); @@ -905,6 +912,12 @@ static const char alt_reg_names[][8] = #undef TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD #define TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD rs6000_use_sched_lookahead +#undef TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD +#define TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD rs6000_builtin_mask_for_load + +#undef TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE +#define TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE rs6000_builtin_mask_for_store + #undef TARGET_INIT_BUILTINS #define TARGET_INIT_BUILTINS rs6000_init_builtins @@ -1536,6 +1549,26 @@ rs6000_override_options (const char *default_cpu) } } +/* Implement targetm.vectorize.builtin_mask_for_load. */ +static tree +rs6000_builtin_mask_for_load (void) +{ + if (TARGET_ALTIVEC) + return altivec_builtin_mask_for_load; + else + return 0; +} + +/* Implement targetm.vectorize.builtin_mask_for_store. */ +static tree +rs6000_builtin_mask_for_store (void) +{ + if (TARGET_ALTIVEC) + return altivec_builtin_mask_for_store; + else + return 0; +} + /* Handle generic options of the form -mfoo=yes/no. NAME is the option name. VALUE is the option value. @@ -7202,6 +7235,48 @@ rs6000_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED, rtx ret; bool success; + if (fcode == ALTIVEC_BUILTIN_MASK_FOR_LOAD + || fcode == ALTIVEC_BUILTIN_MASK_FOR_STORE) + { + int icode = (int) CODE_FOR_altivec_lvsr; + enum machine_mode tmode = insn_data[icode].operand[0].mode; + enum machine_mode mode = insn_data[icode].operand[1].mode; + tree arg; + rtx op, addr, pat; + + if (!TARGET_ALTIVEC) + abort (); + + arg = TREE_VALUE (arglist); + if (TREE_CODE (TREE_TYPE (arg)) != POINTER_TYPE) + abort (); + op = expand_expr (arg, NULL_RTX, Pmode, EXPAND_NORMAL); + addr = memory_address (mode, op); + if (fcode == ALTIVEC_BUILTIN_MASK_FOR_STORE) + op = addr; + else + { + /* For the load case need to negate the address. */ + op = gen_reg_rtx (GET_MODE (addr)); + emit_insn (gen_rtx_SET (VOIDmode, op, + gen_rtx_NEG (GET_MODE (addr), addr))); + } + op = gen_rtx_MEM (mode, op); + + if (target == 0 + || GET_MODE (target) != tmode + || ! (*insn_data[icode].operand[0].predicate) (target, tmode)) + target = gen_reg_rtx (tmode); + + /*pat = gen_altivec_lvsr (target, op);*/ + pat = GEN_FCN (icode) (target, op); + if (!pat) + return 0; + emit_insn (pat); + + return target; + } + if (TARGET_ALTIVEC) { ret = altivec_expand_builtin (exp, target, &success); @@ -7691,6 +7766,9 @@ altivec_init_builtins (void) = build_function_type_list (integer_type_node, pcchar_type_node, NULL_TREE); + tree id; + tree decl; + def_builtin (MASK_ALTIVEC, "__builtin_altivec_ld_internal_4sf", v4sf_ftype_pcfloat, ALTIVEC_BUILTIN_LD_INTERNAL_4sf); def_builtin (MASK_ALTIVEC, "__builtin_altivec_st_internal_4sf", void_ftype_pfloat_v4sf, @@ -7792,6 +7870,24 @@ altivec_init_builtins (void) def_builtin (d->mask, d->name, type, d->code); } + + /* Initialize target builtin that implements + targetm.vectorize.builtin_mask_for_load. */ + id = get_identifier ("__builtin_altivec_mask_for_load"); + decl = build_decl (FUNCTION_DECL, id, v16qi_ftype_long_pcvoid); + DECL_BUILT_IN_CLASS (decl) = BUILT_IN_MD; + DECL_FUNCTION_CODE (decl) = ALTIVEC_BUILTIN_MASK_FOR_LOAD; + /* Record the decl. Will be used by rs6000_builtin_mask_for_load. */ + altivec_builtin_mask_for_load = decl; + + /* Initialize target builtin that implements + targetm.vectorize.builtin_mask_for_store. */ + id = get_identifier ("__builtin_altivec_mask_for_store"); + decl = build_decl (FUNCTION_DECL, id, v16qi_ftype_long_pcvoid); + DECL_BUILT_IN_CLASS (decl) = BUILT_IN_MD; + DECL_FUNCTION_CODE (decl) = ALTIVEC_BUILTIN_MASK_FOR_STORE; + /* Record the decl. Will be used by rs6000_builtin_mask_for_store. */ + altivec_builtin_mask_for_store = decl; } static void |