1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/compiler/codegen/LoadWithMask2.java Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,55 @@ 1.4 +/* 1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +/* 1.28 + * @test 1.29 + * @bug 8031743 1.30 + * @summary loadI2L_immI broken for negative memory values 1.31 + * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,*.foo* LoadWithMask2 1.32 + * 1.33 + */ 1.34 +public class LoadWithMask2 { 1.35 + static int x; 1.36 + static long foo1() { 1.37 + return x & 0xfffffffe; 1.38 + } 1.39 + static long foo2() { 1.40 + return x & 0xff000000; 1.41 + } 1.42 + static long foo3() { 1.43 + return x & 0x8abcdef1; 1.44 + } 1.45 + 1.46 + public static void main(String[] args) { 1.47 + x = -1; 1.48 + long l = 0; 1.49 + for (int i = 0; i < 100000; ++i) { 1.50 + l = foo1() & foo2() & foo3(); 1.51 + } 1.52 + if (l > 0) { 1.53 + System.out.println("FAILED"); 1.54 + System.exit(97); 1.55 + } 1.56 + System.out.println("PASSED"); 1.57 + } 1.58 +}