roland@1495: /*
trims@1907:  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
roland@1495:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
roland@1495:  *
roland@1495:  * This code is free software; you can redistribute it and/or modify it
roland@1495:  * under the terms of the GNU General Public License version 2 only, as
roland@1495:  * published by the Free Software Foundation.
roland@1495:  *
roland@1495:  * This code is distributed in the hope that it will be useful, but WITHOUT
roland@1495:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
roland@1495:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
roland@1495:  * version 2 for more details (a copy is included in the LICENSE file that
roland@1495:  * accompanied this code).
roland@1495:  *
roland@1495:  * You should have received a copy of the GNU General Public License version
roland@1495:  * 2 along with this work; if not, write to the Free Software Foundation,
roland@1495:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
roland@1495:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
roland@1495:  *
roland@1495:  */
roland@1495: 
roland@1495: /**
roland@1495:  * @test
roland@1495:  * @bug 6769124
roland@1495:  * @summary int value might not be correctly decoded on deopt with c1 on 64 bit
roland@1495:  *
roland@1495:  * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124
roland@1495:  */
roland@1495: 
roland@1495: public class TestDeoptInt6769124 {
roland@1495: 
roland@1495:     static class A {
roland@1495:         volatile int vl;
roland@1495:         A(int v) {
roland@1495:             vl = v;
roland@1495:         }
roland@1495:     }
roland@1495: 
roland@1495:     static void m(int b) {
roland@1495:         A a = new A(10);
roland@1495:         int c;
roland@1495:         c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt
roland@1495:         if(c != 20) {
roland@1495:             System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20");
roland@1495:             throw new InternalError();
roland@1495:         }
roland@1495:     }
roland@1495: 
roland@1495:     public static void main(String[] args) {
roland@1495:         m(10);
roland@1495:     }
roland@1495: 
roland@1495: }