Mercurial > hg > graal-compiler
comparison test/compiler/6796786/Test6796786.java @ 3338:f1d6640088a1
6796786: invalid FP identity transform - (a - b) -> b - a
Reviewed-by: iveresov, twisti
author | never |
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date | Tue, 03 May 2011 12:11:54 -0700 |
parents | |
children | 37e4df3c8952 |
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3336:2e038ad0c1d0 | 3338:f1d6640088a1 |
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1 /* | |
2 * Copyright (c) 2011, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 /** | |
26 * @test | |
27 * @bug 6796786 | |
28 * @summary invalid FP identity transform - (a - b) -> b - a | |
29 * | |
30 * @run main Test6796786 | |
31 */ | |
32 | |
33 public class Test6796786 { | |
34 static volatile float d1; | |
35 static volatile float d2; | |
36 static float zero; | |
37 | |
38 public static void main(String[] args) { | |
39 int total = 0; | |
40 for (int i = 0; i < 100000; i++) { | |
41 if (Float.floatToRawIntBits(- (d1 - d1)) == Float.floatToRawIntBits(0.0f)) { | |
42 total++; | |
43 } | |
44 } | |
45 if (total != 100000) { | |
46 throw new InternalError(); | |
47 } | |
48 } | |
49 } |