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/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6956668
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* @summary misbehavior of XOR operator (^) with int
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*
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40059
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* @run main/othervm -Xbatch compiler.c2.Test6956668
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9966
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*/
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40059
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package compiler.c2;
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9966
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public class Test6956668 {
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public static int bitTest() {
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int result = 0;
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int testValue = 73;
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int bitCount = Integer.bitCount(testValue);
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if (testValue != 0) {
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int gap = Long.numberOfTrailingZeros(testValue);
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testValue >>>= gap;
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while (testValue != 0) {
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result++;
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if ((testValue ^= 0x1) != 0) {
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gap = Long.numberOfTrailingZeros(testValue);
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testValue >>>= gap;
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}
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}
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}
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if (bitCount != result) {
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System.out.println("ERROR: " + bitCount + " != " + result);
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System.exit(97);
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}
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return (result);
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}
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public static void main(String[] args) {
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for (int i = 0; i < 100000; i++) {
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int ct = bitTest();
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}
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}
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}
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