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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 } |