1037
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1 /*
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2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 6891750
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28 * @summary deopt blob kills values in O5
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29 *
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30 * @run main Test6891750
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31 */
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32
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33 abstract class Base6891750 extends Thread {
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34 abstract public long m();
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35 }
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36 class Other6891750 extends Base6891750 {
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37 public long m() {
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38 return 0;
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39 }
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40 }
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41
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42 public class Test6891750 extends Base6891750 {
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43 Base6891750 d;
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44 volatile long value = 9;
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45
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46 static int limit = 400000;
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47
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48 Test6891750() {
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49 d = this;
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50
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51 }
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52 public long m() {
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53 return value;
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54 }
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55
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56 public long test(boolean doit) {
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57 if (doit) {
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58 long total0 = 0;
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59 long total1 = 0;
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60 long total2 = 0;
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61 long total3 = 0;
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62 long total4 = 0;
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63 long total5 = 0;
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64 long total6 = 0;
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65 long total7 = 0;
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66 long total8 = 0;
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67 long total9 = 0;
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68 for (int i = 0; i < limit; i++) {
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69 total0 += d.m();
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70 total1 += d.m();
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71 total2 += d.m();
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72 total3 += d.m();
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73 total4 += d.m();
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74 total5 += d.m();
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75 total6 += d.m();
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76 total7 += d.m();
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77 total8 += d.m();
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78 total9 += d.m();
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79 }
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80 return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9;
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81 }
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82 return 0;
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83 }
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84
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85 public void run() {
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86 long result = test(true);
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87 for (int i = 0; i < 300; i++) {
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88 long result2 = test(true);
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89 if (result != result2) {
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90 throw new InternalError(result + " != " + result2);
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91 }
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92 }
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93 }
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94
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95 public static void main(String[] args) throws Exception {
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96 Test6891750 Test6891750 = new Test6891750();
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97 // warm it up
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98 for (int i = 0; i < 200000; i++) {
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99 Test6891750.test(false);
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100 }
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101 // set in off running
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102 Test6891750.start();
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103 Thread.sleep(2000);
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104
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105 // Load a class to invalidate CHA
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106 new Other6891750();
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107 }
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108 }
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