aoqi@0: /*
aoqi@0:  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @test
aoqi@0:  * @bug 6769124
aoqi@0:  * @summary int value might not be correctly decoded on deopt with c1 on 64 bit
aoqi@0:  *
aoqi@0:  * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124
aoqi@0:  */
aoqi@0: 
aoqi@0: public class TestDeoptInt6769124 {
aoqi@0: 
aoqi@0:     static class A {
aoqi@0:         volatile int vl;
aoqi@0:         A(int v) {
aoqi@0:             vl = v;
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void m(int b) {
aoqi@0:         A a = new A(10);
aoqi@0:         int c;
aoqi@0:         c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt
aoqi@0:         if(c != 20) {
aoqi@0:             System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20");
aoqi@0:             throw new InternalError();
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String[] args) {
aoqi@0:         m(10);
aoqi@0:     }
aoqi@0: 
aoqi@0: }