--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/GetObjectAddressNode.java	Fri Sep 14 13:32:04 2012 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2012, 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.oracle.graal.hotspot.nodes;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.nodes.*;
+import com.oracle.graal.nodes.spi.*;
+import com.oracle.graal.nodes.type.*;
+
+/**
+ * Intrinsification for getting the address of an object.
+ * The code path(s) between a call to {@link #get(Object)} and all uses
+ * of the returned value must be atomic. The only exception to this is
+ * if the usage is not an attempt to dereference the value.
+ */
+public class GetObjectAddressNode extends FixedWithNextNode implements LIRLowerable {
+    @Input private ValueNode object;
+
+    public GetObjectAddressNode(ValueNode obj) {
+        super(StampFactory.forKind(Kind.Long));
+        this.object = obj;
+    }
+
+    @SuppressWarnings("unused")
+    @NodeIntrinsic
+    public static long get(Object array) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void generate(LIRGeneratorTool gen) {
+        Value obj = gen.newVariable(gen.target().wordKind);
+        gen.emitMove(gen.operand(object), obj);
+        gen.setResult(this, obj);
+    }
+}