hotspot/test/compiler/intrinsics/bmi/verifycode/TZcntTestI.java
author neliasso
Fri, 13 Nov 2015 13:31:48 +0100
changeset 34185 ee71c590a456
parent 33730 30e064828045
parent 34155 8d9e0cbf93a2
child 34199 ae7dbc401221
permissions -rw-r--r--
Merge

/*
 * 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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 * questions.
 */

/*
 * @test
 * @bug 8031321
 * @library /testlibrary /test/lib /compiler/whitebox / ..
 * @modules java.base/sun.misc
 *          java.management
 * @build TZcntTestI
 * @run main ClassFileInstaller sun.hotspot.WhiteBox
 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
 * @run main/othervm -Xbootclasspath/a:. -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
 *                   -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCountTrailingZerosInstruction TZcntTestI
 */

import java.lang.reflect.Method;

public class TZcntTestI extends BmiIntrinsicBase.BmiTestCase_x64 {

    protected TZcntTestI(Method method) {
        super(method);
        instrMask = new byte[]{(byte) 0xFF, (byte) 0xFF, (byte) 0xFF};
        instrPattern = new byte[]{(byte) 0xF3, (byte) 0x0F, (byte) 0xBC};

        instrMask_x64 = new byte[]{(byte) 0xFF, (byte) 0x00, (byte) 0xFF, (byte) 0xFF};
        instrPattern_x64 = new byte[]{(byte) 0xF3, (byte) 0x00, (byte) 0x0F, (byte) 0xBC};
    }

    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);
        BmiIntrinsicBase.verifyTestCase(TZcntTestI::new, TestTzcntI.TzcntIExpr.class.getDeclaredMethods());
    }

    @Override
    protected String getVMFlag() {
        return "UseCountTrailingZerosInstruction";
    }
}