Similar to VECTOR LOAD MULTIPLE, just the opposite direction.
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
target/s390x/insn-data.def | 2 ++
target/s390x/translate_vx.inc.c | 25 +++++++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index bf9786120b..60e4895f60 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1042,6 +1042,8 @@
E(0xe709, VSTEH, VRX, V, la2, 0, 0, 0, vste, 0, MO_16, IF_VEC)
E(0xe70b, VSTEF, VRX, V, la2, 0, 0, 0, vste, 0, MO_32, IF_VEC)
E(0xe70a, VSTEG, VRX, V, la2, 0, 0, 0, vste, 0, MO_64, IF_VEC)
+/* VECTOR STORE MULTIPLE */
+ F(0xe73e, VSTM, VRS_a, V, la2, 0, 0, 0, vstm, 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 9ec135d1a9..7e7c96c974 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -804,3 +804,28 @@ static DisasJumpType op_vste(DisasContext *s, DisasOps *o)
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}
+
+static DisasJumpType op_vstm(DisasContext *s, DisasOps *o)
+{
+ const uint8_t v3 = get_field(s->fields, v3);
+ uint8_t v1 = get_field(s->fields, v1);
+
+ while (v3 < v1 || (v3 - v1 + 1) > 16) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return DISAS_NORETURN;
+ }
+
+ /*
+ * FIXME: On exceptions we must not modify any memory.
+ */
+ for (;; v1++) {
+ store_vec_element(s, v1, 0, o->addr1, MO_64);
+ gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8);
+ store_vec_element(s, v1, 1, o->addr1, MO_64);
+ if (v1 == v3) {
+ break;
+ }
+ gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8);
+ }
+ return DISAS_NEXT;
+}
--
2.17.2
