Mercurial > hg > truffle
annotate test/compiler/6724218/Test.java @ 2221:0aa3b4908911 jdk7-b131
Merge
| author | cl |
|---|---|
| date | Wed, 23 Feb 2011 15:48:46 -0800 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 247 | 1 /* |
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2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
| 247 | 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 |
|
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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. |
| 247 | 22 */ |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 6724218 | |
| 27 * @summary Fix raise_LCA_above_marks() early termination | |
| 28 * @run main/othervm -Xbatch -XX:CompileCommand=exclude,Test.update Test | |
| 29 */ | |
| 30 | |
| 31 public class Test { | |
| 32 Test next = null; | |
| 33 Object value = null; | |
| 34 | |
| 35 static boolean _closed = false; | |
| 36 static int size = 0; | |
| 37 static Test list = null; | |
| 38 static int cache_size = 0; | |
| 39 static Test cache = null; | |
| 40 | |
| 41 Object get(int i) { | |
| 42 Test t = list; | |
| 43 list = t.next; | |
| 44 size -= 1; | |
| 45 Object o = t.value; | |
| 46 if (i > 0) { | |
| 47 t.next = cache; | |
| 48 t.value = null; | |
| 49 cache = t; | |
| 50 cache_size = +1; | |
| 51 } | |
| 52 return o; | |
| 53 } | |
| 54 | |
| 55 void update() { | |
| 56 // Exclude compilation of this one. | |
| 57 if (size == 0) { | |
| 58 Test t; | |
| 59 if (cache_size > 0) { | |
| 60 t = cache; | |
| 61 cache = t.next; | |
| 62 cache_size = -1; | |
| 63 } else { | |
| 64 t = new Test(); | |
| 65 } | |
| 66 t.value = new Object(); | |
| 67 t.next = list; | |
| 68 list = t; | |
| 69 size += 1; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 synchronized Object test(int i) { | |
| 74 while (true) { | |
| 75 if (_closed) { | |
| 76 return null; | |
| 77 } else if (size > 0) { | |
| 78 return get(i); | |
| 79 } | |
| 80 update(); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 public static void main(String argv[]) throws Exception { | |
| 85 Test t = new Test(); | |
| 86 int lim = 500000; | |
| 87 Object o; | |
| 88 for (int j = 0; j < lim; j++) { | |
| 89 o = t.test(j&1); | |
| 90 if (o == null) { | |
| 91 throw new Exception("*** Failed on iteration " + j); | |
| 92 } | |
| 93 if ((j&1) == 0) { | |
| 94 t.update(); | |
| 95 } | |
| 96 } | |
| 97 } | |
| 98 } |