diff -r 000000000000 -r f90c822e73f8 test/compiler/6769124/TestDeoptInt6769124.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/compiler/6769124/TestDeoptInt6769124.java Wed Apr 27 01:25:04 2016 +0800 @@ -0,0 +1,56 @@ +/* + * 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); + } + +}