--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/nodes/CurrentJavaThreadNode.java	2017-02-15 16:59:54.325028974 -0800
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2012, 2015, 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 org.graalvm.compiler.hotspot.nodes;
+
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_1;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.hotspot.HotSpotLIRGenerator;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.calc.FloatingNode;
+import org.graalvm.compiler.nodes.spi.LIRLowerable;
+import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
+import org.graalvm.compiler.word.Word;
+import org.graalvm.compiler.word.WordTypes;
+
+import jdk.vm.ci.code.Register;
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.PlatformKind;
+
+/**
+ * Gets the address of the C++ JavaThread object for the current thread.
+ */
+@NodeInfo(cycles = CYCLES_1, size = SIZE_1)
+public final class CurrentJavaThreadNode extends FloatingNode implements LIRLowerable {
+    public static final NodeClass<CurrentJavaThreadNode> TYPE = NodeClass.create(CurrentJavaThreadNode.class);
+
+    public CurrentJavaThreadNode(@InjectedNodeParameter WordTypes wordTypes) {
+        this(wordTypes.getWordKind());
+    }
+
+    public CurrentJavaThreadNode(JavaKind wordKind) {
+        super(TYPE, StampFactory.forKind(wordKind));
+    }
+
+    @Override
+    public void generate(NodeLIRBuilderTool gen) {
+        Register rawThread = ((HotSpotLIRGenerator) gen.getLIRGeneratorTool()).getProviders().getRegisters().getThreadRegister();
+        PlatformKind wordKind = gen.getLIRGeneratorTool().target().arch.getWordKind();
+        gen.setResult(this, rawThread.asValue(LIRKind.value(wordKind)));
+    }
+
+    @NodeIntrinsic
+    public static native Word get();
+}