1 /* 2 * Copyright (c) 2013, 2015, 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 8026844 27 * @summary Test subtractExact as condition 28 * @library /test/lib / 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * 32 * @run main compiler.intrinsics.mathexact.SubExactICondTest 33 */ 34 35 package compiler.intrinsics.mathexact; 36 37 public class SubExactICondTest { 38 public static int result = 0; 39 40 public static void main(String[] args) { 41 for (int i = 0; i < 50000; ++i) { 42 runTest(); 43 } 44 } 45 46 public static void runTest() { 47 int i = 7; 48 while (java.lang.Math.subtractExact(i, result) > -31361) { 49 if ((java.lang.Math.subtractExact(i, i) & 1) == 1) { 50 i -= 3; 51 } else if ((i & 5) == 4) { 52 i -= 7; 53 } else if ((i & 0xf) == 6) { 54 i -= 2; 55 } else { 56 i -= 1; 57 } 58 result += 2; 59 } 60 } 61 }