src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/spi/LoweringProvider.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2019, Oracle and/or its affiliates. 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.

@@ -52,6 +52,13 @@
      */
     default Integer smallestCompareWidth() {
         // most platforms only support 32 and 64 bit compares
         return 32;
     }
+
+    /**
+     * Indicates whether the target platform supports bulk zeroing instruction.
+     */
+    default boolean supportBulkZeroing() {
+        return false;
+    }
 }