67 lines
2.3 KiB
Java
67 lines
2.3 KiB
Java
/*
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* Copyright (c) 2014, 2019, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package gc.CondCardMark;
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/**
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* @test
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* @bug 8076987
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* @bug 8078438
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* @summary Verify UseCondCardMark works
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* @modules java.base/jdk.internal.misc
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* @run main/othervm -Xint gc.CondCardMark.Basic
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* @run main/othervm -Xint -XX:+UseCondCardMark gc.CondCardMark.Basic
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* @run main/othervm -XX:TieredStopAtLevel=1 gc.CondCardMark.Basic
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* @run main/othervm -XX:TieredStopAtLevel=1 -XX:+UseCondCardMark gc.CondCardMark.Basic
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* @run main/othervm -XX:TieredStopAtLevel=4 gc.CondCardMark.Basic
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* @run main/othervm -XX:TieredStopAtLevel=4 -XX:+UseCondCardMark gc.CondCardMark.Basic
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* @run main/othervm -XX:-TieredCompilation gc.CondCardMark.Basic
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* @run main/othervm -XX:-TieredCompilation -XX:+UseCondCardMark gc.CondCardMark.Basic
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*/
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public class Basic {
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static volatile MyObject sink;
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public static void main(String args[]) {
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final int COUNT = 10000000;
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for (int c = 0; c < COUNT; c++) {
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MyObject o = new MyObject();
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o.x = c;
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doStore(o);
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}
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if (sink.x != COUNT-1) {
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throw new IllegalStateException("Failed");
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}
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}
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public static void doStore(MyObject o) {
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sink = o;
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}
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static class MyObject {
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int x;
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}
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}
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