diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index efc7d1eb519..ed1cccc6b0a 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -3671,7 +3671,7 @@ func init() {
 		func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
 			return s.newValue2(ssa.OpMul64uhilo, types.NewTuple(types.Types[TUINT64], types.Types[TUINT64]), args[0], args[1])
 		},
-		sys.ArchAMD64, sys.ArchARM64, sys.ArchPPC64LE, sys.ArchPPC64)
+		sys.ArchAMD64, sys.ArchARM64, sys.ArchPPC64LE, sys.ArchPPC64, sys.ArchS390X)
 	add("math/big", "divWW",
 		func(s *state, n *Node, args []*ssa.Value) *ssa.Value {
 			return s.newValue3(ssa.OpDiv128u, types.NewTuple(types.Types[TUINT64], types.Types[TUINT64]), args[0], args[1], args[2])
diff --git a/src/cmd/compile/internal/s390x/ssa.go b/src/cmd/compile/internal/s390x/ssa.go
index 52ba2701162..15cb553eff4 100644
--- a/src/cmd/compile/internal/s390x/ssa.go
+++ b/src/cmd/compile/internal/s390x/ssa.go
@@ -237,7 +237,6 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
 		p.From.Reg = r0
 		p.To.Reg = s390x.REG_R2
 		p.To.Type = obj.TYPE_REG
-
 	case ssa.OpS390XFMADD, ssa.OpS390XFMADDS,
 		ssa.OpS390XFMSUB, ssa.OpS390XFMSUBS:
 		r := v.Reg()