diff --git a/src/hotspot/cpu/s390/gc/shared/modRefBSCodeGen_s390.cpp b/src/hotspot/cpu/s390/gc/shared/modRefBSCodeGen_s390.cpp
new file mode 100644
index 0000000..ce09dcc
--- /dev/null
+++ b/src/hotspot/cpu/s390/gc/shared/modRefBSCodeGen_s390.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, SAP SE. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "asm/macroAssembler.inline.hpp"
+#include "gc/shared/modRefBSCodeGen.hpp"
+
+#define __ masm->
+
+void ModRefBSCodeGen::gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count,
+                                                       bool do_return) {
+  if (do_return) { __ z_br(Z_R14); }
+}
+
+void ModRefBSCodeGen::arraycopy_prologue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+                                         Register src, Register dst, Register count) {
+  if (type == T_OBJECT || type == T_ARRAY) {
+    gen_write_ref_array_pre_barrier(masm, decorators, dst, count);
+  }
+}
+
+void ModRefBSCodeGen::arraycopy_epilogue(MacroAssembler* masm, DecoratorSet decorators, BasicType type,
+                                         Register dst, Register count, bool do_return) {
+  if (type == T_OBJECT || type == T_ARRAY) {
+    gen_write_ref_array_post_barrier(masm, decorators, dst, count, do_return);
+  } else {
+    if (do_return) { __ z_br(Z_R14); }
+  }
+}