diff --git a/target/s390x/helper.h b/target/s390x/helper.h index b4ddc8a722..fda274d325 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -205,6 +205,7 @@ DEF_HELPER_FLAGS_4(gvec_verll16, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) DEF_HELPER_FLAGS_4(gvec_verim8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) DEF_HELPER_FLAGS_4(gvec_verim16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) DEF_HELPER_FLAGS_4(gvec_vsl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) +DEF_HELPER_FLAGS_4(gvec_vsra, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 76aec5a21f..587de3eaac 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1166,6 +1166,10 @@ F(0xe775, VSLB, VRR_c, V, 0, 0, 0, 0, vsl, 0, IF_VEC) /* VECTOR SHIFT LEFT DOUBLE BY BYTE */ F(0xe777, VSLDB, VRI_d, V, 0, 0, 0, 0, vsldb, 0, IF_VEC) +/* VECTOR SHIFT RIGHT ARITHMETIC */ + F(0xe77e, VSRA, VRR_c, V, 0, 0, 0, 0, vsra, 0, IF_VEC) +/* VECTOR SHIFT RIGHT ARITHMETIC BY BYTE */ + F(0xe77f, VSRAB, VRR_c, V, 0, 0, 0, 0, vsra, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index 43f67e3f82..a5636f0733 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2089,3 +2089,20 @@ static DisasJumpType op_vsldb(DisasContext *s, DisasOps *o) tcg_temp_free(t2); return DISAS_NEXT; } + +static DisasJumpType op_vsra(DisasContext *s, DisasOps *o) +{ + TCGv_i64 shift = tcg_temp_new_i64(); + + read_vec_element_i64(shift, get_field(s->fields, v3), 7, ES_8); + if (s->fields->op2 == 0x7e) { + tcg_gen_andi_i64(shift, shift, 0x7); + } else { + tcg_gen_andi_i64(shift, shift, 0x78); + } + + gen_gvec_2i_ool(get_field(s->fields, v1), get_field(s->fields, v2), + shift, 0, gen_helper_gvec_vsra); + tcg_temp_free_i64(shift); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index 3df069f033..67e9f2b0ed 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -49,6 +49,26 @@ static void s390_vec_shl(S390Vector *d, const S390Vector *a, uint64_t count) } } +static void s390_vec_sar(S390Vector *d, const S390Vector *a, uint64_t count) +{ + uint64_t tmp; + + if (count == 0) { + d->doubleword[0] = a->doubleword[0]; + d->doubleword[1] = a->doubleword[1]; + } else if (count == 64) { + d->doubleword[1] = a->doubleword[0]; + d->doubleword[0] = 0; + } else if (count < 64) { + tmp = a->doubleword[1] >> count; + d->doubleword[1] = deposit64(tmp, 64 - count, count, a->doubleword[0]); + d->doubleword[0] = (int64_t)a->doubleword[0] >> count; + } else { + d->doubleword[1] = (int64_t)a->doubleword[0] >> (count - 64); + d->doubleword[0] = 0; + } +} + static void s390_vec_shr(S390Vector *d, const S390Vector *a, uint64_t count) { uint64_t tmp; @@ -535,3 +555,9 @@ void HELPER(gvec_vsl)(void *v1, const void *v2, uint64_t count, { s390_vec_shl(v1, v2, count); } + +void HELPER(gvec_vsra)(void *v1, const void *v2, uint64_t count, + uint32_t desc) +{ + s390_vec_sar(v1, v2, count); +}