Mercurial > hg > graal-compiler
comparison test/compiler/6769124/TestDeoptInt6769124.java @ 1060:323bd24c6520
6769124: various 64-bit fixes for c1
Reviewed-by: never
author | roland |
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date | Mon, 02 Nov 2009 11:17:55 +0100 |
parents | |
children | c18cbe5936b8 |
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1059:389049f3f393 | 1060:323bd24c6520 |
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1 /* | |
2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 /** | |
26 * @test | |
27 * @bug 6769124 | |
28 * @summary int value might not be correctly decoded on deopt with c1 on 64 bit | |
29 * | |
30 * @run main/othervm -Xcomp -XX:CompileOnly=TestDeoptInt6769124.m TestDeoptInt6769124 | |
31 */ | |
32 | |
33 public class TestDeoptInt6769124 { | |
34 | |
35 static class A { | |
36 volatile int vl; | |
37 A(int v) { | |
38 vl = v; | |
39 } | |
40 } | |
41 | |
42 static void m(int b) { | |
43 A a = new A(10); | |
44 int c; | |
45 c = b + a.vl; //accessing volatile field of class not loaded at compile time forces a deopt | |
46 if(c != 20) { | |
47 System.out.println("a (= " + a.vl + ") + b (= " + b + ") = c (= " + c + ") != 20"); | |
48 throw new InternalError(); | |
49 } | |
50 } | |
51 | |
52 public static void main(String[] args) { | |
53 m(10); | |
54 } | |
55 | |
56 } |