1 /*
   2  * Copyright (c) 2014, 2015, 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  * @summary Verify processing of UseCountLeadingZerosInstruction option
  28  *          on CPU without LZCNT support.
  29  * @library /testlibrary /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  *
  33  * @build compiler.arguments.TestUseCountLeadingZerosInstructionOnUnsupportedCPU
  34  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  35  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  37  *                   -XX:+WhiteBoxAPI
  38  *                   compiler.arguments.TestUseCountLeadingZerosInstructionOnUnsupportedCPU
  39  */
  40 
  41 package compiler.arguments;
  42 
  43 public class TestUseCountLeadingZerosInstructionOnUnsupportedCPU
  44      extends BMIUnsupportedCPUTest {
  45 
  46     public TestUseCountLeadingZerosInstructionOnUnsupportedCPU() {
  47         super("UseCountLeadingZerosInstruction", LZCNT_WARNING, "lzcnt");
  48     }
  49 
  50     public static void main(String args[]) throws Throwable {
  51         new TestUseCountLeadingZerosInstructionOnUnsupportedCPU().test();
  52     }
  53 }
  54