--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/UnsafeRawOp.java	Wed Apr 27 11:50:44 2011 +0200
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2009, 2010, 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.c1x.ir;
+
+import com.sun.cri.ci.*;
+
+/**
+ * The {@code UnsafeRawOp} class is the base class of all unsafe raw operations.
+ *
+ * @author Ben L. Titzer
+ */
+public abstract class UnsafeRawOp extends UnsafeOp {
+
+    Value base;
+    Value index;
+    int log2Scale;
+
+    /**
+     * Creates a new UnsafeRawOp instruction.
+     * @param opKind the kind of the operation
+     * @param addr the instruction generating the base address (a long)
+     * @param isStore {@code true} if this operation is a store
+     */
+    public UnsafeRawOp(CiKind opKind, Value addr, boolean isStore) {
+        super(opKind, isStore);
+        assert addr == null || addr.kind == CiKind.Long;
+        base = addr;
+    }
+
+    /**
+     * Creates a new UnsafeRawOp instruction.
+     * @param opKind the kind of the operation
+     * @param addr the instruction generating the base address (a long)
+     * @param index the instruction generating the index
+     * @param log2scale the log base 2 of the scaling factor
+     * @param isStore {@code true} if this operation is a store
+     */
+    public UnsafeRawOp(CiKind opKind, Value addr, Value index, int log2scale, boolean isStore) {
+        this(opKind, addr, isStore);
+        this.base = addr;
+        this.index = index;
+        this.log2Scale = log2scale;
+    }
+
+    /**
+     * Gets the instruction generating the base address for this operation.
+     * @return the instruction generating the base
+     */
+    public Value base() {
+        return base;
+    }
+
+    /**
+     * Gets the instruction generating the index for this operation.
+     * @return the instruction generating the index
+     */
+    public Value index() {
+        return index;
+    }
+
+    /**
+     * Checks whether this instruction has an index.
+     * @return {@code true} if this instruction has an index
+     */
+    public boolean hasIndex() {
+        return index != null;
+    }
+
+    /**
+     * Gets the log base 2 of the scaling factor for the index of this instruction.
+     * @return the log base 2 of the scaling factor
+     */
+    public int log2Scale() {
+        return log2Scale;
+    }
+
+    /**
+     * Sets the instruction that generates the base address for this instruction.
+     * @param base the instruction generating the base address
+     */
+    public void setBase(Value base) {
+        this.base = base;
+    }
+
+    /**
+     * Sets the instruction generating the base address for this instruction.
+     * @param index the instruction generating the index
+     */
+    public void setIndex(Value index) {
+        this.index = index;
+    }
+
+    /**
+     * Sets the scaling factor for the index of this instruction.
+     * @param log2scale the log base 2 of the scaling factor for this instruction
+     */
+    public void setLog2Scale(int log2scale) {
+        this.log2Scale = log2scale;
+    }
+
+    /**
+     * Iterates over the input values to this instruction.
+     * @param closure the closure to apply
+     */
+    @Override
+    public void inputValuesDo(ValueClosure closure) {
+        super.inputValuesDo(closure);
+        base = closure.apply(base);
+        if (index != null) {
+            index = closure.apply(index);
+        }
+    }
+}