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 TZcntTestI
  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:+UseCountTrailingZerosInstruction TZcntTestI
  33  */
  34 
  35 import java.lang.reflect.Method;
  36 
  37 public class TZcntTestI extends BmiIntrinsicBase.BmiTestCase_x64 {
  38 
  39     protected TZcntTestI(Method method) {
  40         super(method);
  41         instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
  42         instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBC};
  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) 0xBC};
  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(TZcntTestI::new, TestTzcntI.TzcntIExpr.class.getDeclaredMethods());
  52     }
  53 
  54     @Override
  55     protected String getVMFlag() {
  56         return "UseCountTrailingZerosInstruction";
  57     }
  58 }