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 8031321 27 * @library /testlibrary /testlibrary/whitebox /compiler/whitebox .. 28 * @build LZcntTestI 29 * @run main ClassFileInstaller sun.hotspot.WhiteBox 30 * sun.hotspot.WhiteBox$WhiteBoxPermission 31 * @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI 32 * -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountLeadingZerosInstruction LZcntTestI 33 */ 34 35 import java.lang.reflect.Method; 36 37 public class LZcntTestI extends BmiIntrinsicBase.BmiTestCase_x64 { 38 39 protected LZcntTestI(Method method) { 40 super(method); 41 instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF}; 42 instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBD}; 43 44 instrMask_x64 = new byte[]{(byte) 0xFF, (byte) 0x00, (byte) 0xFF, (byte) 0xFF}; 45 instrPattern_x64 = new byte[]{(byte) 0xF3, (byte) 0x00, (byte) 0x0F, (byte) 0xBD}; 46 } 47 48 public static void main(String[] args) throws Exception { 49 // j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods 50 System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class); 51 BmiIntrinsicBase.verifyTestCase(LZcntTestI::new, TestLzcntI.LzcntIExpr.class.getDeclaredMethods()); 52 } 53 54 @Override 55 protected String getVMFlag() { 56 return "UseCountLeadingZerosInstruction"; 57 } 58 59 @Override 60 protected String getCpuFlag() { 61 return "lzcnt"; 62 } 63 }