8157904: Atomic::cmpxchg for jbyte is missing a fence on initial failure
Reviewed-by: simonis, aph, kbarrett
/*
* Copyright (c) 2004, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
* Sample target application for gctest demo
*
*/
public class BigHello {
private final static int NLOOPS = 20000;
private static Object garbage[];
public static void main(String args[]) {
long count = 0;
System.out.println("Big Hello start");
for(int i=1; i<=NLOOPS; i++) {
count += i;
garbage = new Object[i];
garbage[0] = new Object();
}
System.out.println("Allocated " + count +
" array elements, and " + NLOOPS +
" arrays and Objects.");
System.out.println("Big Hello end");
}
}