diff options
Diffstat (limited to 'target/s390x/translate_vx.inc.c')
| -rw-r--r-- | target/s390x/translate_vx.inc.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index b8e69856cd..9c2cf8a77b 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -532,3 +532,45 @@ static DisasJumpType op_vll(DisasContext *s, DisasOps *o) tcg_temp_free_ptr(a0); return DISAS_NEXT; } + +static DisasJumpType op_vmr(DisasContext *s, DisasOps *o) +{ + const uint8_t v1 = get_field(s->fields, v1); + const uint8_t v2 = get_field(s->fields, v2); + const uint8_t v3 = get_field(s->fields, v3); + const uint8_t es = get_field(s->fields, m4); + int dst_idx, src_idx; + TCGv_i64 tmp; + + if (es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp = tcg_temp_new_i64(); + if (s->fields->op2 == 0x61) { + /* iterate backwards to avoid overwriting data we might need later */ + for (dst_idx = NUM_VEC_ELEMENTS(es) - 1; dst_idx >= 0; dst_idx--) { + src_idx = dst_idx / 2; + if (dst_idx % 2 == 0) { + read_vec_element_i64(tmp, v2, src_idx, es); + } else { + read_vec_element_i64(tmp, v3, src_idx, es); + } + write_vec_element_i64(tmp, v1, dst_idx, es); + } + } else { + /* iterate forward to avoid overwriting data we might need later */ + for (dst_idx = 0; dst_idx < NUM_VEC_ELEMENTS(es); dst_idx++) { + src_idx = (dst_idx + NUM_VEC_ELEMENTS(es)) / 2; + if (dst_idx % 2 == 0) { + read_vec_element_i64(tmp, v2, src_idx, es); + } else { + read_vec_element_i64(tmp, v3, src_idx, es); + } + write_vec_element_i64(tmp, v1, dst_idx, es); + } + } + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} |