--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/bitRange/BitRangeOrder.java	Sat Dec 17 19:59:18 2011 +0100
@@ -0,0 +1,47 @@
+/*
+ * 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.risc.bitRange;
+
+/**
+ * The bit range order of an instruction set is how the bit positions of instruction fields
+ * are specified in the architecture manual.
+ */
+public enum BitRangeOrder {
+
+    DESCENDING {
+        @Override
+        public SimpleBitRange createSimpleBitRange(int firstBitIndex, int lastBitIndex) {
+            return new DescendingBitRange(firstBitIndex, lastBitIndex);
+        }
+    },
+
+    ASCENDING {
+        @Override
+        public SimpleBitRange createSimpleBitRange(int firstBitIndex, int lastBitIndex) {
+            return new AscendingBitRange(firstBitIndex, lastBitIndex);
+        }
+    };
+
+    public abstract SimpleBitRange createSimpleBitRange(int firstBitIndex, int lastBitIndex);
+
+}