s390x/tcg: Implement VECTOR LOAD VR FROM GRS DISJOINT

Fairly easy, just load from to gprs into a single vector.
Reviewed-by: NRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: NDavid Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-17-david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

target/s390x/insn-data.def

@@ -1006,6 +1006,8 @@
     F(0xe707, VLBB,    VRX,   V,   la2, 0, 0, 0, vlbb, 0, IF_VEC)
 /* VECTOR LOAD VR ELEMENT FROM GR */
     F(0xe722, VLVG,    VRS_b, V,   la2, r3, 0, 0, vlvg, 0, IF_VEC)
+/* VECTOR LOAD VR FROM GRS DISJOINT */
+    F(0xe762, VLVGP,   VRR_f, V,   r2, r3, 0, 0, vlvgp, 0, IF_VEC)
 
 #ifndef CONFIG_USER_ONLY
 /* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

@@ -512,3 +512,10 @@ static DisasJumpType op_vlvg(DisasContext *s, DisasOps *o)
 
     return DISAS_NEXT;
 }
+
+static DisasJumpType op_vlvgp(DisasContext *s, DisasOps *o)
+{
+    write_vec_element_i64(o->in1, get_field(s->fields, v1), 0, ES_64);
+    write_vec_element_i64(o->in2, get_field(s->fields, v1), 1, ES_64);
+    return DISAS_NEXT;
+}