--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/GraalCompiler/src/com/sun/c1x/ir/UnsafePutObject.java	Wed Apr 27 11:50:44 2011 +0200
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2009, 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.c1x.ir;
+
+import com.sun.c1x.debug.*;
+import com.sun.cri.ci.*;
+
+/**
+ * The {@code UnsafePutObject} instruction represents a unsafe write operation.
+ *
+ * @author Ben L. Titzer
+ */
+public final class UnsafePutObject extends UnsafeObjectOp {
+
+    Value value;
+
+    /**
+     * Creates a new UnsafePutObject instruction.
+     * @param opKind the kind of the operation
+     * @param object the instruction generating the object
+     * @param offset the instruction generating the offset
+     * @param value the instruction generating the value
+     * @param isVolatile {@code true} if the operation is volatile
+     */
+    public UnsafePutObject(CiKind opKind, Value object, Value offset, Value value, boolean isVolatile) {
+        super(opKind, object, offset, true, isVolatile);
+        this.value = value;
+    }
+
+    /**
+     * Gets the instruction that generates the value to store.
+     * @return the instruction generating the value
+     */
+    public Value value() {
+        return value;
+    }
+
+    @Override
+    public void inputValuesDo(ValueClosure closure) {
+        super.inputValuesDo(closure);
+        value = closure.apply(value);
+    }
+
+    @Override
+    public void accept(ValueVisitor v) {
+        v.visitUnsafePutObject(this);
+    }
+
+    @Override
+    public void print(LogStream out) {
+        out.print("UnsafePutObject.(").print(object()).print(", ").print(offset() +
+        ", value ").print(value()).print(')');
+    }
+}