Mercurial > hg > truffle
comparison test/compiler/6863155/Test6863155.java @ 897:52898b0c43e9
6863155: Server compiler generates incorrect code (x86, long, bitshift, bitmask)
Summary: Code compiled with server compiler generates an incorrect result.
Reviewed-by: cfang, never, kvn
author | twisti |
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date | Tue, 28 Jul 2009 09:02:30 +0200 |
parents | |
children | c18cbe5936b8 |
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896:1cef5ec3ca56 | 897:52898b0c43e9 |
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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 * @test | |
26 * @bug 6863155 | |
27 * @summary Server compiler generates incorrect code (x86, long, bitshift, bitmask) | |
28 * | |
29 * @run main/othervm -Xcomp -XX:CompileOnly=Test6863155.test Test6863155 | |
30 */ | |
31 | |
32 public class Test6863155 { | |
33 private static long test(byte b) { | |
34 return b << 24 & 0xff000000L; | |
35 } | |
36 | |
37 public static void main(String... args) { | |
38 long result = test((byte) 0xc2); | |
39 long expected = 0x00000000c2000000L; | |
40 if (result != expected) | |
41 throw new InternalError(Long.toHexString(result) + " != " + Long.toHexString(expected)); | |
42 } | |
43 } |