/*
* Copyright ( c ) 2014 , 2019 , 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
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*/
package gc.CondCardMark;
/**
* @ test
* @ bug 8076987
* @ bug 8078438
* @ summary Verify UseCondCardMark works
* @ modules java . base / jdk . internal . misc
* @ run main / othervm - Xint gc . CondCardMark . Basic
* @ run main / othervm - Xint - XX : + UseCondCardMark gc . CondCardMark . Basic
* @ run main / othervm - XX : TieredStopAtLevel = 1 gc . CondCardMark . Basic
* @ run main / othervm - XX : TieredStopAtLevel = 1 - XX : + UseCondCardMark gc . CondCardMark . Basic
* @ run main / othervm - XX : TieredStopAtLevel = 4 gc . CondCardMark . Basic
* @ run main / othervm - XX : TieredStopAtLevel = 4 - XX : + UseCondCardMark gc . CondCardMark . Basic
* @ run main / othervm - XX : - TieredCompilation gc . CondCardMark . Basic
* @ run main / othervm - XX : - TieredCompilation - XX : + UseCondCardMark gc . CondCardMark . Basic
*/
public class Basic {
static volatile MyObject sink;
public static void main(String args[]) {
final int COUNT = 10000000 ;
for (int c = 0 ; c < COUNT; c++) {
MyObject o = new MyObject();
o.x = c;
doStore(o);
}
if (sink.x != COUNT-1 ) {
throw new IllegalStateException("Failed" );
}
}
public static void doStore(MyObject o) {
sink = o;
}
static class MyObject {
int x;
}
}
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