diff options
Diffstat (limited to 'target/s390x')
| -rw-r--r-- | target/s390x/insn-data.def | 2 | ||||
| -rw-r--r-- | target/s390x/translate_vx.inc.c | 46 |
2 files changed, 48 insertions, 0 deletions
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index de811ddc47..2b36205c84 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -998,6 +998,8 @@ E(0xe742, VLEIG, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_64, IF_VEC) /* VECTOR LOAD GR FROM VR ELEMENT */ F(0xe721, VLGV, VRS_c, V, la2, 0, r1, 0, vlgv, 0, IF_VEC) +/* VECTOR LOAD LOGICAL ELEMENT AND ZERO */ + F(0xe704, VLLEZ, VRX, V, la2, 0, 0, 0, vllez, 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 b163100b0d..cdad2a52f0 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -163,6 +163,11 @@ static void gen_gvec_dupi(uint8_t es, uint8_t reg, uint64_t c) } } +static void zero_vec(uint8_t reg) +{ + tcg_gen_gvec_dup8i(vec_full_reg_offset(reg), 16, 16, 0); +} + static DisasJumpType op_vge(DisasContext *s, DisasOps *o) { const uint8_t es = s->insn->data; @@ -360,3 +365,44 @@ static DisasJumpType op_vlgv(DisasContext *s, DisasOps *o) return DISAS_NEXT; } + +static DisasJumpType op_vllez(DisasContext *s, DisasOps *o) +{ + uint8_t es = get_field(s->fields, m3); + uint8_t enr; + TCGv_i64 t; + + switch (es) { + /* rightmost sub-element of leftmost doubleword */ + case ES_8: + enr = 7; + break; + case ES_16: + enr = 3; + break; + case ES_32: + enr = 1; + break; + case ES_64: + enr = 0; + break; + /* leftmost sub-element of leftmost doubleword */ + case 6: + if (s390_has_feat(S390_FEAT_VECTOR_ENH)) { + es = ES_32; + enr = 0; + break; + } + default: + /* fallthrough */ + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + t = tcg_temp_new_i64(); + tcg_gen_qemu_ld_i64(t, o->addr1, get_mem_index(s), MO_TE | es); + zero_vec(get_field(s->fields, v1)); + write_vec_element_i64(t, get_field(s->fields, v1), enr, es); + tcg_temp_free_i64(t); + return DISAS_NEXT; +} |