--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/6891750/Test6891750.java Thu Oct 15 11:47:13 2009 -0700
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+/**
+ * @test
+ * @bug 6891750
+ * @summary deopt blob kills values in O5
+ *
+ * @run main Test6891750
+ */
+
+abstract class Base6891750 extends Thread {
+ abstract public long m();
+}
+class Other6891750 extends Base6891750 {
+ public long m() {
+ return 0;
+ }
+}
+
+public class Test6891750 extends Base6891750 {
+ Base6891750 d;
+ volatile long value = 9;
+
+ static int limit = 400000;
+
+ Test6891750() {
+ d = this;
+
+ }
+ public long m() {
+ return value;
+ }
+
+ public long test(boolean doit) {
+ if (doit) {
+ long total0 = 0;
+ long total1 = 0;
+ long total2 = 0;
+ long total3 = 0;
+ long total4 = 0;
+ long total5 = 0;
+ long total6 = 0;
+ long total7 = 0;
+ long total8 = 0;
+ long total9 = 0;
+ for (int i = 0; i < limit; i++) {
+ total0 += d.m();
+ total1 += d.m();
+ total2 += d.m();
+ total3 += d.m();
+ total4 += d.m();
+ total5 += d.m();
+ total6 += d.m();
+ total7 += d.m();
+ total8 += d.m();
+ total9 += d.m();
+ }
+ return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9;
+ }
+ return 0;
+ }
+
+ public void run() {
+ long result = test(true);
+ for (int i = 0; i < 300; i++) {
+ long result2 = test(true);
+ if (result != result2) {
+ throw new InternalError(result + " != " + result2);
+ }
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ Test6891750 Test6891750 = new Test6891750();
+ // warm it up
+ for (int i = 0; i < 200000; i++) {
+ Test6891750.test(false);
+ }
+ // set in off running
+ Test6891750.start();
+ Thread.sleep(2000);
+
+ // Load a class to invalidate CHA
+ new Other6891750();
+ }
+}