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comparison test/compiler/intrinsics/mathexact/CompareTest.java @ 13043:e428d5e768e3

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8027622: java.time.Instant.create failing since hs25-b56 Reviewed-by: kvn, iveresov
author rbackman
date Mon, 04 Nov 2013 10:44:46 +0100
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children 9949533a8623
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13042:208ebea980f8 13043:e428d5e768e3
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 8026722
27 * @summary Verify that the compare after addExact is a signed compare
28 * @compile CompareTest.java
29 * @run main CompareTest
30 *
31 */
32
33 public class CompareTest {
34 public static long store = 0;
35 public static long addValue = 1231;
36
37 public static void main(String[] args) {
38 for (int i = 0; i < 20000; ++i) {
39 runTest(i, i);
40 runTest(i-1, i);
41 }
42 }
43
44 public static long create(long value, int v) {
45 if ((value | v) == 0) {
46 return 0;
47 }
48
49 // C2 turned this test into unsigned test when a control edge was set on the Cmp
50 if (value < -31557014167219200L || value > 31556889864403199L) {
51 throw new RuntimeException("error");
52 }
53
54 return value;
55 }
56
57 public static void runTest(long value, int value2) {
58 long res = Math.addExact(value, addValue);
59 store = create(res, Math.floorMod(value2, 100000));
60 }
61 }