Wed, 22 Jan 2014 12:37:28 -0800
Added tag jdk8u5-b05 for changeset b90de55aca30
cfang@1102 | 1 | /* |
mikael@6198 | 2 | * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. |
cfang@1102 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
cfang@1102 | 4 | * |
cfang@1102 | 5 | * This code is free software; you can redistribute it and/or modify it |
cfang@1102 | 6 | * under the terms of the GNU General Public License version 2 only, as |
cfang@1102 | 7 | * published by the Free Software Foundation. |
cfang@1102 | 8 | * |
cfang@1102 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
cfang@1102 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
cfang@1102 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
cfang@1102 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
cfang@1102 | 13 | * accompanied this code). |
cfang@1102 | 14 | * |
cfang@1102 | 15 | * You should have received a copy of the GNU General Public License version |
cfang@1102 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
cfang@1102 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
cfang@1102 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
cfang@1102 | 22 | */ |
cfang@1102 | 23 | |
cfang@1102 | 24 | /** |
cfang@1102 | 25 | * @test |
cfang@1102 | 26 | * @bug 6636138 |
cfang@1102 | 27 | * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation. |
cfang@1102 | 28 | * |
collins@4684 | 29 | * @run main/othervm -Xbatch -XX:CompileOnly=Test2.shift Test2 |
cfang@1102 | 30 | */ |
cfang@1102 | 31 | |
twisti@1212 | 32 | public class Test2 { |
cfang@1102 | 33 | |
cfang@1102 | 34 | public static void init(int src[]) { |
cfang@1102 | 35 | // Initialize the array |
cfang@1102 | 36 | for (int i = 0; i < src.length; i++) |
cfang@1102 | 37 | src[i] = i; |
cfang@1102 | 38 | } |
cfang@1102 | 39 | |
cfang@1102 | 40 | public static void shift(int src[]) { |
cfang@1102 | 41 | //left-shift the array |
cfang@1102 | 42 | for (int i = src.length-1; i > 0; i--){ |
cfang@1102 | 43 | int tmp = src[i]; |
cfang@1102 | 44 | src[i] = src[i-1]; |
cfang@1102 | 45 | src[i-1] = tmp; |
cfang@1102 | 46 | } |
cfang@1102 | 47 | } |
cfang@1102 | 48 | |
cfang@1102 | 49 | public static void verify(int src[]) { |
cfang@1102 | 50 | for (int i = 0; i < src.length; i++){ |
cfang@1102 | 51 | int value = (i-1 + src.length)%src.length; // correct value after shifting |
cfang@1102 | 52 | if (src[i] != value) { |
cfang@1102 | 53 | System.out.println("Error: src["+i+"] should be "+ value + " instead of " + src[i]); |
cfang@1387 | 54 | System.exit(97); |
cfang@1102 | 55 | } |
cfang@1102 | 56 | } |
cfang@1102 | 57 | } |
cfang@1102 | 58 | |
cfang@1102 | 59 | public static void test() { |
cfang@1102 | 60 | int[] src = new int[10]; |
cfang@1102 | 61 | init(src); |
cfang@1102 | 62 | shift(src); |
cfang@1102 | 63 | verify(src); |
cfang@1102 | 64 | } |
cfang@1102 | 65 | |
cfang@1102 | 66 | public static void main(String[] args) { |
cfang@1102 | 67 | for (int i=0; i< 2000; i++) |
cfang@1102 | 68 | test(); |
cfang@1102 | 69 | } |
cfang@1102 | 70 | } |