--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/DirectObjectStoreNode.java	2016-12-09 00:57:08.719563404 -0800
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2012, 2016, 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.replacements.nodes;
+
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_3;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
+
+import org.graalvm.compiler.core.common.LocationIdentity;
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.ConstantNode;
+import org.graalvm.compiler.nodes.FixedWithNextNode;
+import org.graalvm.compiler.nodes.StateSplit;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.calc.AddNode;
+import org.graalvm.compiler.nodes.extended.JavaWriteNode;
+import org.graalvm.compiler.nodes.extended.UnsafeStoreNode;
+import org.graalvm.compiler.nodes.memory.HeapAccess.BarrierType;
+import org.graalvm.compiler.nodes.memory.address.AddressNode;
+import org.graalvm.compiler.nodes.memory.address.OffsetAddressNode;
+import org.graalvm.compiler.nodes.spi.Lowerable;
+import org.graalvm.compiler.nodes.spi.LoweringTool;
+
+import jdk.vm.ci.meta.JavaKind;
+
+/**
+ * A special purpose store node that differs from {@link UnsafeStoreNode} in that it is not a
+ * {@link StateSplit} and does not include a write barrier. Note that contrary to the sound of the
+ * name this node can be used for storing any kind.
+ */
+@NodeInfo(cycles = CYCLES_3, size = SIZE_1)
+public final class DirectObjectStoreNode extends FixedWithNextNode implements Lowerable {
+
+    public static final NodeClass<DirectObjectStoreNode> TYPE = NodeClass.create(DirectObjectStoreNode.class);
+    @Input ValueNode object;
+    @Input ValueNode value;
+    @Input ValueNode offset;
+    protected final int displacement;
+    protected final LocationIdentity locationIdentity;
+    protected final JavaKind storeKind;
+
+    public DirectObjectStoreNode(ValueNode object, int displacement, ValueNode offset, ValueNode value, LocationIdentity locationIdentity, JavaKind storeKind) {
+        super(TYPE, StampFactory.forVoid());
+        this.object = object;
+        this.value = value;
+        this.offset = offset;
+        this.displacement = displacement;
+        this.locationIdentity = locationIdentity;
+        this.storeKind = storeKind;
+    }
+
+    @NodeIntrinsic
+    public static native void storeObject(Object obj, @ConstantNodeParameter int displacement, long offset, Object value, @ConstantNodeParameter LocationIdentity locationIdentity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeBoolean(Object obj, @ConstantNodeParameter int displacement, long offset, boolean value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeByte(Object obj, @ConstantNodeParameter int displacement, long offset, byte value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeChar(Object obj, @ConstantNodeParameter int displacement, long offset, char value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeShort(Object obj, @ConstantNodeParameter int displacement, long offset, short value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeInt(Object obj, @ConstantNodeParameter int displacement, long offset, int value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeLong(Object obj, @ConstantNodeParameter int displacement, long offset, long value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeFloat(Object obj, @ConstantNodeParameter int displacement, long offset, float value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @NodeIntrinsic
+    public static native void storeDouble(Object obj, @ConstantNodeParameter int displacement, long offset, double value, @ConstantNodeParameter LocationIdentity locationIdenity,
+                    @ConstantNodeParameter JavaKind storeKind);
+
+    @Override
+    public void lower(LoweringTool tool) {
+        ValueNode off = graph().unique(new AddNode(offset, ConstantNode.forIntegerStamp(offset.stamp(), displacement, graph())));
+        AddressNode address = graph().unique(new OffsetAddressNode(object, off));
+        JavaWriteNode write = graph().add(new JavaWriteNode(storeKind, address, locationIdentity, value, BarrierType.NONE, storeKind == JavaKind.Object, false));
+        graph().replaceFixedWithFixed(this, write);
+
+        tool.getLowerer().lower(write, tool);
+    }
+}