1 /* 2 * Copyright (c) 2009 SAP SE. 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 6910484 27 * @summary incorrect integer optimization (loosing and op-r in a given example) 28 * 29 * @run main/othervm -Xbatch Test 30 */ 31 32 public class Test { 33 34 public static void main(String[] args) { 35 long iteration = 0; 36 for(int i = 0; i <11000; i++) { 37 iteration++; 38 int result = test(255); 39 if (result != 112) { 40 System.out.println("expected 112, but got " + result + " after iteration " + iteration); 41 System.exit(97); 42 } 43 } 44 } 45 46 private static int test(int x) { 47 return (x & -32) / 2; 48 } 49 50 }