--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/ImmediateArgument.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2007, 2011, 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.
+ *
+ * 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.
+ */
+package com.sun.max.asm.gen;
+
+import com.sun.max.asm.*;
+import com.sun.max.lang.*;
+import com.sun.max.program.*;
+
+/**
+ */
+public abstract class ImmediateArgument implements Argument {
+
+    public static ImmediateArgument create(long value, WordWidth width) {
+        switch (width) {
+            case BITS_8:
+                return new Immediate8Argument((byte) value);
+            case BITS_16:
+                return new Immediate16Argument((short) value);
+            case BITS_32:
+                return new Immediate32Argument((int) value);
+            case BITS_64:
+                return new Immediate64Argument(value);
+            default:
+                throw ProgramError.unknownCase();
+        }
+    }
+
+    public ImmediateArgument plus(ImmediateArgument addend) {
+        return create(asLong() + addend.asLong(), width());
+    }
+
+    public ImmediateArgument plus(long addend) {
+        return create(asLong() + addend, width());
+    }
+
+    public ImmediateArgument minus(ImmediateArgument addend) {
+        return create(asLong() - addend.asLong(), width());
+    }
+
+    public ImmediateArgument minus(long addend) {
+        return create(asLong() - addend, width());
+    }
+
+    public abstract WordWidth width();
+
+    public abstract String signedExternalValue();
+
+    public abstract Object boxedJavaValue();
+
+    @Override
+    public final String toString() {
+        return "<" + getClass().getSimpleName() + ": " + externalValue() + ">";
+    }
+
+}