Mercurial > hg > truffle
view test/compiler/6956668/Test6956668.java @ 13537:93068303f856
Truffle-DSL: added missing Override to remove.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 07 Jan 2014 22:27:04 +0100 |
parents | f88fb2fa90cf |
children |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 6956668 * @summary misbehavior of XOR operator (^) with int * * @run main/othervm -Xbatch Test6956668 */ public class Test6956668 { public static int bitTest() { int result = 0; int testValue = 73; int bitCount = Integer.bitCount(testValue); if (testValue != 0) { int gap = Long.numberOfTrailingZeros(testValue); testValue >>>= gap; while (testValue != 0) { result++; if ((testValue ^= 0x1) != 0) { gap = Long.numberOfTrailingZeros(testValue); testValue >>>= gap; } } } if (bitCount != result) { System.out.println("ERROR: " + bitCount + " != " + result); System.exit(97); } return (result); } public static void main(String[] args) { for (int i = 0; i < 100000; i++) { int ct = bitTest(); } } }