1 /* 2 * Copyright (c) 2013, 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 8026722 27 * @summary Verify that the compare after addExact is a signed compare 28 * @compile CompareTest.java 29 * @run main CompareTest 30 * 31 */ 32 33 public class CompareTest { 34 public static long store = 0; 35 public static long addValue = 1231; 36 37 public static void main(String[] args) { 38 for (int i = 0; i < 20000; ++i) { 39 runTest(i, i); 40 runTest(i-1, i); 41 } 42 } 43 44 public static long create(long value, int v) { 45 if ((value | v) == 0) { 46 return 0; 47 } 48 49 // C2 turned this test into unsigned test when a control edge was set on the Cmp 50 if (value < -31557014167219200L || value > 31556889864403199L) { 51 throw new RuntimeException("error"); 52 } 53 54 return value; 55 } 56 57 public static void runTest(long value, int value2) { 58 long res = Math.addExact(value, addValue); 59 store = create(res, Math.floorMod(value2, 100000)); 60 } 61 }