Mercurial > hg > truffle
annotate test/compiler/6636138/Test2.java @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | 4ca6dc0799b6 |
| children |
| rev | line source |
|---|---|
| 667 | 1 /* |
| 17524 | 2 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
| 667 | 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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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 667 | 22 */ |
| 23 | |
| 24 /** | |
| 25 * @test | |
| 26 * @bug 6636138 | |
| 27 * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation. | |
| 28 * | |
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29 * @run main/othervm -Xbatch -XX:CompileOnly=Test2.shift Test2 |
| 667 | 30 */ |
| 31 | |
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32 public class Test2 { |
| 667 | 33 |
| 34 public static void init(int src[]) { | |
| 35 // Initialize the array | |
| 36 for (int i = 0; i < src.length; i++) | |
| 37 src[i] = i; | |
| 38 } | |
| 39 | |
| 40 public static void shift(int src[]) { | |
| 41 //left-shift the array | |
| 42 for (int i = src.length-1; i > 0; i--){ | |
| 43 int tmp = src[i]; | |
| 44 src[i] = src[i-1]; | |
| 45 src[i-1] = tmp; | |
| 46 } | |
| 47 } | |
| 48 | |
| 49 public static void verify(int src[]) { | |
| 50 for (int i = 0; i < src.length; i++){ | |
| 51 int value = (i-1 + src.length)%src.length; // correct value after shifting | |
| 52 if (src[i] != value) { | |
| 53 System.out.println("Error: src["+i+"] should be "+ value + " instead of " + src[i]); | |
| 952 | 54 System.exit(97); |
| 667 | 55 } |
| 56 } | |
| 57 } | |
| 58 | |
| 59 public static void test() { | |
| 60 int[] src = new int[10]; | |
| 61 init(src); | |
| 62 shift(src); | |
| 63 verify(src); | |
| 64 } | |
| 65 | |
| 66 public static void main(String[] args) { | |
| 67 for (int i=0; i< 2000; i++) | |
| 68 test(); | |
| 69 } | |
| 70 } |