Mercurial > hg > truffle
annotate test/compiler/6891750/Test6891750.java @ 20304:a22acf6d7598
8048112: G1 Full GC needs to support the case when the very first region is not available
Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett.
Reviewed-by: brutisso
| author | tschatzl |
|---|---|
| date | Mon, 21 Jul 2014 10:00:31 +0200 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 1037 | 1 /* |
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2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
| 1037 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 1037 | 22 * |
| 23 */ | |
| 24 | |
| 25 /** | |
| 26 * @test | |
| 27 * @bug 6891750 | |
| 28 * @summary deopt blob kills values in O5 | |
| 29 * | |
| 30 * @run main Test6891750 | |
| 31 */ | |
| 32 | |
| 33 abstract class Base6891750 extends Thread { | |
| 34 abstract public long m(); | |
| 35 } | |
| 36 class Other6891750 extends Base6891750 { | |
| 37 public long m() { | |
| 38 return 0; | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 public class Test6891750 extends Base6891750 { | |
| 43 Base6891750 d; | |
| 44 volatile long value = 9; | |
| 45 | |
| 46 static int limit = 400000; | |
| 47 | |
| 48 Test6891750() { | |
| 49 d = this; | |
| 50 | |
| 51 } | |
| 52 public long m() { | |
| 53 return value; | |
| 54 } | |
| 55 | |
| 56 public long test(boolean doit) { | |
| 57 if (doit) { | |
| 58 long total0 = 0; | |
| 59 long total1 = 0; | |
| 60 long total2 = 0; | |
| 61 long total3 = 0; | |
| 62 long total4 = 0; | |
| 63 long total5 = 0; | |
| 64 long total6 = 0; | |
| 65 long total7 = 0; | |
| 66 long total8 = 0; | |
| 67 long total9 = 0; | |
| 68 for (int i = 0; i < limit; i++) { | |
| 69 total0 += d.m(); | |
| 70 total1 += d.m(); | |
| 71 total2 += d.m(); | |
| 72 total3 += d.m(); | |
| 73 total4 += d.m(); | |
| 74 total5 += d.m(); | |
| 75 total6 += d.m(); | |
| 76 total7 += d.m(); | |
| 77 total8 += d.m(); | |
| 78 total9 += d.m(); | |
| 79 } | |
| 80 return total0 + total1 + total2 + total3 + total4 + total5 + total6 + total7 + total8 + total9; | |
| 81 } | |
| 82 return 0; | |
| 83 } | |
| 84 | |
| 85 public void run() { | |
| 86 long result = test(true); | |
| 87 for (int i = 0; i < 300; i++) { | |
| 88 long result2 = test(true); | |
| 89 if (result != result2) { | |
| 90 throw new InternalError(result + " != " + result2); | |
| 91 } | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 public static void main(String[] args) throws Exception { | |
| 96 Test6891750 Test6891750 = new Test6891750(); | |
| 97 // warm it up | |
| 98 for (int i = 0; i < 200000; i++) { | |
| 99 Test6891750.test(false); | |
| 100 } | |
| 101 // set in off running | |
| 102 Test6891750.start(); | |
| 103 Thread.sleep(2000); | |
| 104 | |
| 105 // Load a class to invalidate CHA | |
| 106 new Other6891750(); | |
| 107 } | |
| 108 } |