Mercurial > jdk8-mips64-public > hotspot / annotate
test/compiler/intrinsics/mathexact/SubExactICondTest.java@59e8ad757e19 (annotated)
test/compiler/intrinsics/mathexact/SubExactICondTest.java
Fri, 18 Oct 2013 10:41:56 +0200
- author
- rbackman
- date
- Fri, 18 Oct 2013 10:41:56 +0200
- changeset 5997
- 59e8ad757e19
- parent 0
- f90c822e73f8
- child 6152
- 9949533a8623
- permissions
- -rw-r--r--
8026844: Various Math functions needs intrinsification
Reviewed-by: kvn, twisti
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | */ |
| aoqi@0 | 23 | |
| aoqi@0 | 24 | /* |
| aoqi@0 | 25 | * @test |
| aoqi@0 | 26 | * @bug 8026844 |
| aoqi@0 | 27 | * @summary Test subtractExact as condition |
| aoqi@0 | 28 | * @compile SubExactICondTest.java Verify.java |
| aoqi@0 | 29 | * @run main SubExactICondTest |
| aoqi@0 | 30 | * |
| aoqi@0 | 31 | */ |
| aoqi@0 | 32 | |
| aoqi@0 | 33 | public class SubExactICondTest { |
| aoqi@0 | 34 | public static int result = 0; |
| aoqi@0 | 35 | |
| aoqi@0 | 36 | public static void main(String[] args) { |
| aoqi@0 | 37 | for (int i = 0; i < 50000; ++i) { |
| aoqi@0 | 38 | runTest(); |
| aoqi@0 | 39 | } |
| aoqi@0 | 40 | } |
| aoqi@0 | 41 | |
| aoqi@0 | 42 | public static void runTest() { |
| aoqi@0 | 43 | int i = 7; |
| aoqi@0 | 44 | while (java.lang.Math.subtractExact(i, result) > -31361) { |
| aoqi@0 | 45 | if ((java.lang.Math.subtractExact(i, i) & 1) == 1) { |
| aoqi@0 | 46 | i -= 3; |
| aoqi@0 | 47 | } else if ((i & 5) == 4) { |
| aoqi@0 | 48 | i -= 7; |
| aoqi@0 | 49 | } else if ((i & 0xf) == 6) { |
| aoqi@0 | 50 | i -= 2; |
| aoqi@0 | 51 | } else { |
| aoqi@0 | 52 | i -= 1; |
| aoqi@0 | 53 | } |
| aoqi@0 | 54 | result += 2; |
| aoqi@0 | 55 | } |
| aoqi@0 | 56 | } |
| aoqi@0 | 57 | } |
