/*

 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/*

 * @test

 * @bug 8031321

 * @library /testlibrary /test/lib /

 * @modules java.base/jdk.internal.misc

 *          java.management

 *

 * @build compiler.intrinsics.bmi.verifycode.LZcntTestI

 * @run driver ClassFileInstaller sun.hotspot.WhiteBox

 *                                sun.hotspot.WhiteBox$WhiteBoxPermission

 * @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI

 *      -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountLeadingZerosInstruction

 *      compiler.intrinsics.bmi.verifycode.LZcntTestI

 */

package compiler.intrinsics.bmi.verifycode;

import compiler.intrinsics.bmi.TestLzcntI;

import java.lang.reflect.Method;

public class LZcntTestI extends BmiIntrinsicBase.BmiTestCase_x64 {

    protected LZcntTestI(Method method) {

        super(method);

        instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};

        instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBD};

        instrMask_x64 = new byte[]{(byte) 0xFF, (byte) 0x00, (byte) 0xFF, (byte) 0xFF};

        instrPattern_x64 = new byte[]{(byte) 0xF3, (byte) 0x00, (byte) 0x0F, (byte) 0xBD};

    }

    public static void main(String[] args) throws Exception {

        // j.l.Integer and Long should be loaded to allow a compilation of the methods that use their methods

        System.out.println("class java.lang.Integer should be loaded. Proof: " + Integer.class);

        // Avoid uncommon traps.

        System.out.println("Num leading zeroes: " + new TestLzcntI.LzcntIExpr().intExpr(12341341));

        BmiIntrinsicBase.verifyTestCase(LZcntTestI::new, TestLzcntI.LzcntIExpr.class.getDeclaredMethods());

    }

    @Override

    protected String getVMFlag() {

        return "UseCountLeadingZerosInstruction";

    }

    @Override

    protected String getCpuFlag() {

        return "lzcnt";

    }

}