Test1.java revision 667
/*
* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/**
* @test
* @bug 6636138
* @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.
*
* @run main/othervm -server -Xbatch -XX:CompileOnly=Test1.init -XX:+UseSuperword Test1
*/
class Test1 {
public static void init(int src[], int [] dst, int[] ref) {
// initialize the arrays
for (int i =0; i<src.length; i++) {
src[i] = i;
dst[i] = 2; // yes, dst[i] needed(otherwise src[i] will be replaced with i)
ref[i] = src[i]; // src[i] depends on the store src[i]
}
}
public static void verify(int src[], int[] ref) {
// check whether src and ref are equal
for (int i = 0; i < src.length; i++) {
if (src[i] != ref[i]) {
System.out.println("Error: src and ref don't match at " + i);
System.exit(-1);
}
}
}
public static void test() {
int[] src = new int[34];
int[] dst = new int[34];
int[] ref = new int[34];
init(src, dst, ref);
verify(src, ref);
}
public static void main(String[] args) {
for (int i=0; i< 2000; i++) {
test();
}
}
}