1 /* 2 * Copyright (c) 2014, 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 8031743 27 * @summary loadI2L_immI broken for negative memory values 28 * 29 * @run main/othervm -Xbatch 30 * -XX:CompileCommand=compileonly,compiler.codegen.LoadWithMask2::foo* 31 * compiler.codegen.LoadWithMask2 32 */ 33 34 package compiler.codegen; 35 36 public class LoadWithMask2 { 37 static int x; 38 39 static long foo1() { 40 return x & 0xfffffffe; 41 } 42 43 static long foo2() { 44 return x & 0xff000000; 45 } 46 47 static long foo3() { 48 return x & 0x8abcdef1; 49 } 50 51 public static void main(String[] args) { 52 x = -1; 53 long l = 0; 54 for (int i = 0; i < 100000; ++i) { 55 l = foo1() & foo2() & foo3(); 56 } 57 if (l > 0) { 58 System.out.println("FAILED"); 59 System.exit(97); 60 } 61 System.out.println("PASSED"); 62 } 63 }