s390x/tcg: Implement VECTOR NAND

Part of vector enhancements facility 1, but easy to implement.

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

target/s390x/insn-data.def

@@ -1134,6 +1134,8 @@
     F(0xe7a7, VMO,     VRR_c, V,   0, 0, 0, 0, vm, 0, IF_VEC)
 /* VECTOR MULTIPLY LOGICAL ODD */
     F(0xe7a5, VMLO,    VRR_c, V,   0, 0, 0, 0, vm, 0, IF_VEC)
+/* VECTOR NAND */
+    F(0xe76e, VNN,     VRR_c, VE,  0, 0, 0, 0, vnn, 0, IF_VEC)
 
 #ifndef CONFIG_USER_ONLY
 /* COMPARE AND SWAP AND PURGE */

target/s390x/translate.c

@@ -6093,6 +6093,7 @@ enum DisasInsnEnum {
 #define FAC_PCI         S390_FEAT_ZPCI /* z/PCI facility */
 #define FAC_AIS         S390_FEAT_ADAPTER_INT_SUPPRESSION
 #define FAC_V           S390_FEAT_VECTOR /* vector facility */
+#define FAC_VE          S390_FEAT_VECTOR_ENH /* vector enhancements facility 1 */
 
 static const DisasInsn insn_info[] = {
 #include "insn-data.def"

target/s390x/translate_vx.inc.c

@@ -1791,3 +1791,10 @@ static DisasJumpType op_vm(DisasContext *s, DisasOps *o)
                get_field(s->fields, v3), fn);
     return DISAS_NEXT;
 }
+
+static DisasJumpType op_vnn(DisasContext *s, DisasOps *o)
+{
+    gen_gvec_fn_3(nand, ES_8, get_field(s->fields, v1),
+                  get_field(s->fields, v2), get_field(s->fields, v3));
+    return DISAS_NEXT;
+}