--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/7044738/Test7044738.java	Tue Jun 28 15:24:29 2011 -0700
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2011, 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.
+ *
+ */
+
+/**
+ * @test
+ * @bug 7044738
+ * @summary Loop unroll optimization causes incorrect result
+ *
+ * @run main/othervm -Xbatch Test7044738
+ */
+
+public class Test7044738 {
+
+  private static final int INITSIZE = 10000;
+  public int d[] = { 1, 2, 3, 4 };
+  public int i, size;
+
+  private static int iter = 5;
+
+  boolean done() { return (--iter > 0); }
+
+  public static void main(String args[]) {
+    Test7044738 t = new Test7044738();
+    t.test();
+  }
+
+  int test() {
+
+    while (done()) {
+      size = INITSIZE;
+
+      for (i = 0; i < size; i++) {
+        d[0] = d[1]; // 2
+        d[1] = d[2]; // 3
+        d[2] = d[3]; // 4
+        d[3] = d[0]; // 2
+
+        d[0] = d[1]; // 3
+        d[1] = d[2]; // 4
+        d[2] = d[3]; // 2
+        d[3] = d[0]; // 3
+
+        d[0] = d[1]; // 4
+        d[1] = d[2]; // 2
+        d[2] = d[3]; // 3
+        d[3] = d[0]; // 4
+
+        d[0] = d[1]; // 2
+        d[1] = d[2]; // 3
+        d[2] = d[3]; // 4
+        d[3] = d[0]; // 2
+
+        d[0] = d[1]; // 3
+        d[1] = d[2]; // 4
+        d[2] = d[3]; // 2
+        d[3] = d[0]; // 3
+
+        d[0] = d[1]; // 4
+        d[1] = d[2]; // 2
+        d[2] = d[3]; // 3
+        d[3] = d[0]; // 4
+
+        d[0] = d[1]; // 2
+        d[1] = d[2]; // 3
+        d[2] = d[3]; // 4
+        d[3] = d[0]; // 2
+
+        d[0] = d[1]; // 3
+        d[1] = d[2]; // 4
+        d[2] = d[3]; // 2
+        d[3] = d[0]; // 3
+      }
+
+      // try to defeat dead code elimination
+      if (d[0] == d[1]) {
+        System.out.println("test failed: iter=" + iter + "  i=" + i + " d[] = { " + d[0] + ", " + d[1] + ", " + d[2] + ", " + d[3] + " } ");
+        System.exit(97);
+      }
+    }
+    return d[3];
+  }
+
+}