| /* |
| * Copyright (c) 2009, 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. |
| * |
| */ |
| |
| /** |
| * @test |
| * @bug 6769124 |
| * @summary int value might not be correctly decoded on deopt with c1 on 64 bit |
| * |
| * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 |
| */ |
| |
| public class TestDeoptInt6769124 { |
| |
| static class A { |
| volatile int vl; |
| A(int v) { |
| vl = v; |
| } |
| } |
| |
| static void m(int b) { |
| A a = new A(10); |
| int c; |
| c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt |
| if(c != 20) { |
| System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); |
| throw new InternalError(); |
| } |
| } |
| |
| public static void main(String[] args) { |
| m(10); |
| } |
| |
| } |