/*

 * Copyright (c) 2016, 2017, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

 * @test InterpreterMethodEntries

 * @bug 8169711

 * @summary Test interpreter method entries for intrinsics with CDS (class data sharing)

 *          and different settings of the intrinsic flag during dump/use of the archive.

 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)

 * @library /test/lib

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

 *          java.management

 * @run main TestInterpreterMethodEntries

 */

import java.lang.Math;

import java.util.zip.CRC32;

import java.util.zip.CRC32C;

import jdk.test.lib.cds.CDSOptions;

import jdk.test.lib.cds.CDSTestUtils;

import jdk.test.lib.process.OutputAnalyzer;

public class TestInterpreterMethodEntries {

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

        if (args.length == 0) {

          // Dump and use shared archive with different flag combinations

          dumpAndUseSharedArchive("+", "-");

          dumpAndUseSharedArchive("-", "+");

        } else {

          // Call intrinsified java.lang.Math::fma()

          Math.fma(1.0, 2.0, 3.0);

          byte[] buffer = new byte[256];

          // Call intrinsified java.util.zip.CRC32::update()

          CRC32 crc32 = new CRC32();

          crc32.update(buffer, 0, 256);

          // Call intrinsified java.util.zip.CRC32C::updateBytes(..)

          CRC32C crc32c = new CRC32C();

          crc32c.update(buffer, 0, 256);

        }

    }

    private static void dumpAndUseSharedArchive(String dump, String use) throws Exception {

        String unlock     = "-XX:+UnlockDiagnosticVMOptions";

        String dumpFMA    = "-XX:" + dump + "UseFMA";

        String dumpCRC32  = "-XX:" + dump + "UseCRC32Intrinsics";

        String dumpCRC32C = "-XX:" + dump + "UseCRC32CIntrinsics";

        String useFMA     = "-XX:" + use  + "UseFMA";

        String useCRC32   = "-XX:" + use  + "UseCRC32Intrinsics";

        String useCRC32C  = "-XX:" + use  + "UseCRC32CIntrinsics";

        CDSTestUtils.createArchiveAndCheck(unlock, dumpFMA, dumpCRC32, dumpCRC32C);

        CDSOptions opts = (new CDSOptions())

            .addPrefix(unlock, useFMA, useCRC32, useCRC32C, "-showversion")

            .addSuffix("TestInterpreterMethodEntries", "run")

            .setUseVersion(false);

        CDSTestUtils.runWithArchiveAndCheck(opts);

    }

}