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