--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.compiler.hsail.test/src/com/oracle/graal/compiler/hsail/test/AtomicReferenceGetAndSetTest.java	Sun Nov 10 11:42:31 2013 +0100
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2013, 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.compiler.hsail.test;
+
+import java.util.concurrent.atomic.*;
+
+import org.junit.*;
+
+import sun.misc.*;
+
+import com.oracle.graal.compiler.hsail.test.infra.*;
+import com.oracle.graal.debug.*;
+
+/**
+ * Tests {@link AtomicReference#getAndSet(Object)} which indirectly tests
+ * {@link Unsafe#compareAndSwapObject(Object, long, Object, Object)}. The latter requires special
+ * handling if compressed oops are enabled.
+ */
+public class AtomicReferenceGetAndSetTest extends GraalKernelTester {
+
+    static final int NUM = 20;
+    @Result public int[] followedCount = new int[NUM];
+    public MyObj[] inArray = new MyObj[NUM];
+    AtomicReference<MyObj> atomicRef = new AtomicReference<>();
+
+    public static class MyObj {
+        public int val;
+        public boolean[] followedBy = new boolean[NUM + 1];
+
+        MyObj(int n) {
+            val = n;
+        }
+    }
+
+    void setupArrays() {
+        for (int i = 0; i < NUM; i++) {
+            inArray[i] = new MyObj(i + 1);
+        }
+        atomicRef.set(new MyObj(0)); // initial value
+    }
+
+    private static final boolean DEBUG = false;
+
+    @Override
+    public void runTest() {
+        setupArrays();
+
+        dispatchMethodKernel(NUM);
+
+        // make a fake followedBy for the final object
+        MyObj finalObj = atomicRef.get();
+        finalObj.followedBy[0] = true;
+
+        // When the kernel is done, compute the number of true bits in each followedBy array;
+        for (int i = 0; i < NUM; i++) {
+            MyObj obj = inArray[i];
+            int count = 0;
+            for (int j = 0; j < NUM + 1; j++) {
+                boolean b = obj.followedBy[j];
+                if (b) {
+                    count++;
+                    if (DEBUG) {
+                        TTY.println("obj " + obj.val + " was followed by " + j);
+                    }
+                }
+
+            }
+            followedCount[i] = count;
+        }
+    }
+
+    public void run(int gid) {
+        MyObj newObj = inArray[gid];
+        MyObj oldObj = atomicRef.getAndSet(newObj);
+        oldObj.followedBy[newObj.val] = true;
+    }
+
+    @Test
+    public void test() {
+        testGeneratedHsail();
+    }
+}