s390x/tcg: Implement VECTOR NOT EXCLUSIVE OR

Again, part of vector enhancement facility 1. The operation corresponds
to an bitwise equality check.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>

target/s390x/insn-data.def

@@ -1138,6 +1138,8 @@
     F(0xe76e, VNN,     VRR_c, VE,  0, 0, 0, 0, vnn, 0, IF_VEC)
 /* VECTOR NOR */
     F(0xe76b, VNO,     VRR_c, V,   0, 0, 0, 0, vno, 0, IF_VEC)
+/* VECTOR NOT EXCLUSIVE OR */
+    F(0xe76c, VNX,     VRR_c, VE,  0, 0, 0, 0, vnx, 0, IF_VEC)
 
 #ifndef CONFIG_USER_ONLY
 /* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

@@ -1805,3 +1805,10 @@ static DisasJumpType op_vno(DisasContext *s, DisasOps *o)
                   get_field(s->fields, v3));
     return DISAS_NEXT;
 }
+
+static DisasJumpType op_vnx(DisasContext *s, DisasOps *o)
+{
+    gen_gvec_fn_3(eqv, ES_8, get_field(s->fields, v1), get_field(s->fields, v2),
+                  get_field(s->fields, v3));
+    return DISAS_NEXT;
+}