--- /dev/null	2016-05-31 09:42:47.975716356 -0700
+++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.lir.jtt/src/org/graalvm/compiler/lir/jtt/StackMoveTest.java	2016-12-09 00:53:48.634743925 -0800
@@ -0,0 +1,259 @@
+/*
+ * Copyright (c) 2015, 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.lir.jtt;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import org.graalvm.compiler.core.common.LIRKind;
+import org.graalvm.compiler.lir.Variable;
+import org.graalvm.compiler.lir.VirtualStackSlot;
+import org.graalvm.compiler.lir.framemap.FrameMapBuilder;
+import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
+
+import jdk.vm.ci.meta.JavaKind;
+import jdk.vm.ci.meta.PlatformKind;
+import jdk.vm.ci.meta.Value;
+import jdk.vm.ci.meta.ValueKind;
+
+public class StackMoveTest extends LIRTest {
+    private static PlatformKind byteKind;
+    private static PlatformKind shortKind;
+
+    @Before
+    public void setUp() {
+        byteKind = getBackend().getTarget().arch.getPlatformKind(JavaKind.Byte);
+        shortKind = getBackend().getTarget().arch.getPlatformKind(JavaKind.Short);
+    }
+
+    private static class StackCopySpec extends LIRTestSpecification {
+        @Override
+        public void generate(LIRGeneratorTool gen, Value a) {
+            FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder();
+            ValueKind<?> valueKind = getValueKind(a);
+
+            // create slots
+            VirtualStackSlot s1 = frameMapBuilder.allocateSpillSlot(valueKind);
+            VirtualStackSlot s2 = frameMapBuilder.allocateSpillSlot(valueKind);
+
+            // start emit
+            gen.emitMove(s1, a);
+            Value copy1 = gen.emitMove(s1);
+            gen.append(gen.getSpillMoveFactory().createStackMove(s2, s1));
+            Variable result = gen.emitMove(s2);
+            // end emit
+
+            // set output and result
+            setResult(result);
+            setOutput("slotcopy", copy1);
+            setOutput("slot1", s1);
+            setOutput("slot2", s2);
+        }
+
+        protected ValueKind<?> getValueKind(Value value) {
+            return value.getValueKind();
+        }
+    }
+
+    private static final LIRTestSpecification stackCopy = new StackCopySpec();
+
+    /*
+     * int
+     */
+
+    @SuppressWarnings("unused")
+    @LIRIntrinsic
+    public static int copyInt(LIRTestSpecification spec, int a) {
+        return a;
+    }
+
+    public int[] testInt(int a, int[] out) {
+        out[0] = copyInt(stackCopy, a);
+        out[1] = getOutput(stackCopy, "slotcopy", a);
+        out[2] = getOutput(stackCopy, "slot1", a);
+        out[3] = getOutput(stackCopy, "slot2", a);
+        return out;
+    }
+
+    @Test
+    public void runInt() throws Throwable {
+        runTest("testInt", Integer.MIN_VALUE, supply(() -> new int[4]));
+        runTest("testInt", -1, supply(() -> new int[4]));
+        runTest("testInt", 0, supply(() -> new int[4]));
+        runTest("testInt", 1, supply(() -> new int[4]));
+        runTest("testInt", Integer.MAX_VALUE, supply(() -> new int[4]));
+    }
+
+    /*
+     * long
+     */
+
+    @SuppressWarnings("unused")
+    @LIRIntrinsic
+    public static long copyLong(LIRTestSpecification spec, long a) {
+        return a;
+    }
+
+    public long[] testLong(long a, long[] out) {
+        out[0] = copyLong(stackCopy, a);
+        out[1] = getOutput(stackCopy, "slotcopy", a);
+        out[2] = getOutput(stackCopy, "slot1", a);
+        out[3] = getOutput(stackCopy, "slot2", a);
+        return out;
+    }
+
+    @Test
+    public void runLong() throws Throwable {
+        runTest("testLong", Long.MIN_VALUE, supply(() -> new long[3]));
+        runTest("testLong", -1L, supply(() -> new long[3]));
+        runTest("testLong", 0L, supply(() -> new long[3]));
+        runTest("testLong", 1L, supply(() -> new long[3]));
+        runTest("testLong", Long.MAX_VALUE, supply(() -> new long[3]));
+    }
+
+    /*
+     * float
+     */
+
+    @SuppressWarnings("unused")
+    @LIRIntrinsic
+    public static float copyFloat(LIRTestSpecification spec, float a) {
+        return a;
+    }
+
+    public float[] testFloat(float a, float[] out) {
+        out[0] = copyFloat(stackCopy, a);
+        out[1] = getOutput(stackCopy, "slotcopy", a);
+        out[2] = getOutput(stackCopy, "slot1", a);
+        out[3] = getOutput(stackCopy, "slot2", a);
+        return out;
+    }
+
+    @Test
+    public void runFloat() throws Throwable {
+        runTest("testFloat", Float.MIN_VALUE, supply(() -> new float[3]));
+        runTest("testFloat", -1f, supply(() -> new float[3]));
+        runTest("testFloat", -0.1f, supply(() -> new float[3]));
+        runTest("testFloat", 0f, supply(() -> new float[3]));
+        runTest("testFloat", 0.1f, supply(() -> new float[3]));
+        runTest("testFloat", 1f, supply(() -> new float[3]));
+        runTest("testFloat", Float.MAX_VALUE, supply(() -> new float[3]));
+    }
+
+    /*
+     * double
+     */
+
+    @SuppressWarnings("unused")
+    @LIRIntrinsic
+    public static double copyDouble(LIRTestSpecification spec, double a) {
+        return a;
+    }
+
+    public double[] testDouble(double a, double[] out) {
+        out[0] = copyDouble(stackCopy, a);
+        out[1] = getOutput(stackCopy, "slotcopy", a);
+        out[2] = getOutput(stackCopy, "slot1", a);
+        out[3] = getOutput(stackCopy, "slot2", a);
+        return out;
+    }
+
+    @Test
+    public void runDouble() throws Throwable {
+        runTest("testDouble", Double.MIN_VALUE, supply(() -> new double[3]));
+        runTest("testDouble", -1., supply(() -> new double[3]));
+        runTest("testDouble", -0.1, supply(() -> new double[3]));
+        runTest("testDouble", 0., supply(() -> new double[3]));
+        runTest("testDouble", 0.1, supply(() -> new double[3]));
+        runTest("testDouble", 1., supply(() -> new double[3]));
+        runTest("testDouble", Double.MAX_VALUE, supply(() -> new double[3]));
+    }
+
+    /*
+     * short
+     */
+
+    private static final LIRTestSpecification shortStackCopy = new StackCopySpec() {
+        @Override
+        protected ValueKind<?> getValueKind(Value value) {
+            return LIRKind.value(shortKind);
+        }
+    };
+
+    @SuppressWarnings("unused")
+    @LIRIntrinsic
+    public static short copyShort(LIRTestSpecification spec, short a) {
+        return a;
+    }
+
+    public short[] testShort(short a, short[] out) {
+        out[0] = copyShort(shortStackCopy, a);
+        out[1] = getOutput(shortStackCopy, "slotcopy", a);
+        out[2] = getOutput(shortStackCopy, "slot1", a);
+        out[3] = getOutput(shortStackCopy, "slot2", a);
+        return out;
+    }
+
+    @Test
+    public void runShort() throws Throwable {
+        runTest("testShort", Short.MIN_VALUE, supply(() -> new short[3]));
+        runTest("testShort", (short) -1, supply(() -> new short[3]));
+        runTest("testShort", (short) 0, supply(() -> new short[3]));
+        runTest("testShort", (short) 1, supply(() -> new short[3]));
+        runTest("testShort", Short.MAX_VALUE, supply(() -> new short[3]));
+    }
+
+    /*
+     * byte
+     */
+
+    private static final LIRTestSpecification byteStackCopy = new StackCopySpec() {
+        @Override
+        protected ValueKind<?> getValueKind(Value value) {
+            return LIRKind.value(byteKind);
+        }
+    };
+
+    @SuppressWarnings("unused")
+    @LIRIntrinsic
+    public static byte copyByte(LIRTestSpecification spec, byte a) {
+        return a;
+    }
+
+    public byte[] testByte(byte a, byte[] out) {
+        out[0] = copyByte(byteStackCopy, a);
+        out[1] = getOutput(byteStackCopy, "slotcopy", a);
+        out[2] = getOutput(byteStackCopy, "slot1", a);
+        out[3] = getOutput(byteStackCopy, "slot2", a);
+        return out;
+    }
+
+    @Test
+    public void runByte() throws Throwable {
+        runTest("testByte", Byte.MIN_VALUE, supply(() -> new byte[3]));
+        runTest("testByte", (byte) -1, supply(() -> new byte[3]));
+        runTest("testByte", (byte) 0, supply(() -> new byte[3]));
+        runTest("testByte", (byte) 1, supply(() -> new byte[3]));
+        runTest("testByte", Byte.MAX_VALUE, supply(() -> new byte[3]));
+    }
+}