71 lines
2.2 KiB
Java
71 lines
2.2 KiB
Java
/*
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* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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/**
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* @test
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* @bug 6636138
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* @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.
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*
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* @run main/othervm -server -Xbatch -XX:CompileOnly=Test2.shift Test2
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*/
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public class Test2 {
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public static void init(int src[]) {
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// Initialize the array
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for (int i = 0; i < src.length; i++)
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src[i] = i;
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}
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public static void shift(int src[]) {
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//left-shift the array
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for (int i = src.length-1; i > 0; i--){
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int tmp = src[i];
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src[i] = src[i-1];
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src[i-1] = tmp;
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}
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}
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public static void verify(int src[]) {
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for (int i = 0; i < src.length; i++){
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int value = (i-1 + src.length)%src.length; // correct value after shifting
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if (src[i] != value) {
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System.out.println("Error: src["+i+"] should be "+ value + " instead of " + src[i]);
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System.exit(-1);
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}
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}
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}
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public static void test() {
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int[] src = new int[10];
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init(src);
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shift(src);
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verify(src);
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}
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public static void main(String[] args) {
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for (int i=0; i< 2000; i++)
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test();
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}
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}
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