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comparison test/compiler/intrinsics/mathexact/CondTest.java @ 12323:c9ccd7b85f20

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8024924: Intrinsify java.lang.Math.addExact Reviewed-by: kvn, twisti
author rbackman
date Fri, 27 Sep 2013 08:39:19 +0200
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12322:72b7e96c1922 12323:c9ccd7b85f20
1 /*
2 * Copyright (c) 2013, 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 * @test
26 * @bug 8024924
27 * @summary Test non constant addExact
28 * @compile CondTest.java Verify.java
29 * @run main CondTest
30 *
31 */
32
33 import java.lang.ArithmeticException;
34
35 public class CondTest {
36 public static int result = 0;
37
38 public static void main(String[] args) {
39 for (int i = 0; i < 50000; ++i) {
40 runTest();
41 }
42 }
43
44 public static void runTest() {
45 int i = 7;
46 while (java.lang.Math.addExact(i, result) < 89361) {
47 if ((java.lang.Math.addExact(i, i) & 1) == 1) {
48 i += 3;
49 } else if ((i & 5) == 4) {
50 i += 7;
51 } else if ((i & 0xf) == 6) {
52 i += 2;
53 } else {
54 i += 1;
55 }
56 result += 2;
57 }
58 }
59 }