Mercurial > hg > graal-jvmci-8
comparison test/compiler/6778657/Test.java @ 508:6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
Summary: Replaces SharedRuntime::f2i et al with versions that should work
Reviewed-by: never
Contributed-by: gbenson@redhat.com
author | kvn |
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date | Mon, 22 Dec 2008 15:43:02 -0800 |
parents | |
children | 0fbdb4381b99 |
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500:ca7d48236048 | 508:6d8fc951eb25 |
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1 /* | |
2 * Copyright 2008 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 6778657 | |
28 * @summary Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour | |
29 */ | |
30 | |
31 public class Test { | |
32 public static void check_f2i(int expect) { | |
33 float check = expect; | |
34 check *= 2; | |
35 int actual = (int) check; | |
36 if (actual != expect) | |
37 throw new RuntimeException("expecting " + expect + ", got " + actual); | |
38 } | |
39 | |
40 public static void check_f2l(long expect) { | |
41 float check = expect; | |
42 check *= 2; | |
43 long actual = (long) check; | |
44 if (actual != expect) | |
45 throw new RuntimeException("expecting " + expect + ", got " + actual); | |
46 } | |
47 | |
48 public static void check_d2i(int expect) { | |
49 double check = expect; | |
50 check *= 2; | |
51 int actual = (int) check; | |
52 if (actual != expect) | |
53 throw new RuntimeException("expecting " + expect + ", got " + actual); | |
54 } | |
55 | |
56 public static void check_d2l(long expect) { | |
57 double check = expect; | |
58 check *= 2; | |
59 long actual = (long) check; | |
60 if (actual != expect) | |
61 throw new RuntimeException("expecting " + expect + ", got " + actual); | |
62 } | |
63 | |
64 public static void main(String[] args) { | |
65 check_f2i(Integer.MAX_VALUE); | |
66 check_f2i(Integer.MIN_VALUE); | |
67 check_f2l(Long.MAX_VALUE); | |
68 check_f2l(Long.MIN_VALUE); | |
69 check_d2i(Integer.MAX_VALUE); | |
70 check_d2i(Integer.MIN_VALUE); | |
71 check_d2l(Long.MAX_VALUE); | |
72 check_d2l(Long.MIN_VALUE); | |
73 } | |
74 } | |
75 |