*** old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.word/src/org/graalvm/word/WordFactory.java	Fri Jul  7 09:32:00 2017
--- new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.word/src/org/graalvm/word/WordFactory.java	Fri Jul  7 09:31:59 2017

*** 85,94 ****
--- 85,105 ----
      public static <T extends WordBase> T zero() {
          return boxFactory.box(0L);
      }
  
      /**
+      * The null pointer, i.e., the pointer with no bits set. There is no difference to a signed or
+      * unsigned {@link #zero}.
+      *
+      * @return the null pointer.
+      */
+     @FactoryOperation(opcode = FactoryOpcode.ZERO)
+     public static <T extends PointerBase> T nullPointer() {
+         return boxFactory.box(0L);
+     }
+ 
+     /**
       * Unsafe conversion from a Java long value to a Word. The parameter is treated as an unsigned
       * 64-bit value (in contrast to the semantics of a Java long).
       *
       * @param val a 64 bit unsigned value
       * @return the value cast to Word