Mercurial > hg > truffle
annotate test/compiler/6724218/Test.java @ 3237:399aa66d375e
Fixed a bug in which the valueEquals method was misused. The method does only check the equality of the node data and not full GVN equality by taking inputs and successors into account.
| author | Thomas Wuerthinger <thomas@wuerthinger.net> |
|---|---|
| date | Wed, 27 Jul 2011 14:16:38 -0700 |
| 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 |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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parents:
247
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20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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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 } |