--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/ArgumentRange.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,69 @@
+/*
+ * 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.*;
+
+/**
+ */
+public class ArgumentRange {
+
+    private final WrappableSpecification specification;
+    private final long minValue;
+    private final long maxValue;
+
+    public ArgumentRange(WrappableSpecification specification, long minValue, long maxValue) {
+        this.specification = specification;
+        this.minValue = minValue;
+        this.maxValue = maxValue;
+    }
+
+    public WrappableSpecification wrappedSpecification() {
+        return specification;
+    }
+
+    public long minValue() {
+        return minValue;
+    }
+
+    public long maxValue() {
+        return maxValue;
+    }
+
+    public boolean includes(Argument argument) {
+        return minValue <= argument.asLong() && argument.asLong() <= maxValue;
+    }
+
+    private boolean appliesInternally = true;
+
+    public boolean appliesInternally() {
+        return appliesInternally;
+    }
+
+    public void doNotApplyInternally() {
+        appliesInternally = false;
+    }
+
+    public static final ArgumentRange UNSPECIFIED = null;
+
+}