1 /* 2 * Copyright (c) 2011, 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 /** 26 * @test 27 * @bug 7048332 28 * @summary Cadd_cmpLTMask doesn't handle 64-bit tmp register properly 29 * 30 * @run main/othervm -Xbatch compiler.c2.Test7048332 31 */ 32 33 package compiler.c2; 34 35 public class Test7048332 { 36 37 static int capacity = 2; 38 static int first = 1; 39 static int last = 2; 40 41 static int test(int i1, int i2, int i3, int i4, int i5, int i6) { 42 final int result; 43 if (last >= first) { 44 result = last - first; 45 } else { 46 result = last - first + capacity; 47 } 48 return result; 49 } 50 51 public static void main(String[] args) { 52 for (int i = 0; i < 11000; i++) { 53 last = (i & 1) << 1; // 0 or 2 54 int k = test(1, 2, 3, 4, 5, 6); 55 if (k != 1) { 56 System.out.println("FAILED: " + k + " != 1"); 57 System.exit(97); 58 } 59 } 60 } 61 }