1 /*

     2  * Copyright (c) 2016, 2019, 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.

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     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  *

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    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

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    23 

    24 /**

    25  * @test InterpreterMethodEntries

    26  * @bug 8169711

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

    28  *          and the intrinsic flag enabled during dump and disabled during use of the archive.

    29  * @requires vm.cds

    30  * @comment the test disables intrinsics, so it can't be run w/ AOT'ed java module

    31  * @requires !vm.aot.enabled

    32  * @library /test/lib

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

    34  *          java.management

    35  * @run driver TestInterpreterMethodEntries true false

    36  */

    37 

    38 /**

    39  * @test InterpreterMethodEntries

    40  * @bug 8169711

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

    42  *          and the intrinsic flag disabled during dump and enabled during use of the archive.

    43  * @requires vm.cds

    44  * @library /test/lib

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

    46  *          java.management

    47  * @run driver TestInterpreterMethodEntries false true

    48  */

    49 

    50 import java.lang.Math;

    51 import java.util.zip.CRC32;

    52 import java.util.zip.CRC32C;

    53 import jdk.test.lib.cds.CDSOptions;

    54 import jdk.test.lib.cds.CDSTestUtils;

    55 import jdk.test.lib.process.OutputAnalyzer;

    56 

    57 public class TestInterpreterMethodEntries {

    58 

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

    60         if (args.length > 1) {

    61           boolean dump = Boolean.parseBoolean(args[0]);

    62           boolean use  = Boolean.parseBoolean(args[1]);

    63 

    64           // Dump and use shared archive with different flag combinations

    65           dumpAndUseSharedArchive(dump ? "+" : "-", use ? "+" : "-");

    66         } else {

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

    68           Math.fma(1.0, 2.0, 3.0);

    69 

    70           byte[] buffer = new byte[256];

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

    72           CRC32 crc32 = new CRC32();

    73           crc32.update(buffer, 0, 256);

    74 

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

    76           CRC32C crc32c = new CRC32C();

    77           crc32c.update(buffer, 0, 256);

    78         }

    79     }

    80 

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

    82         String unlock     = "-XX:+UnlockDiagnosticVMOptions";

    83 

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

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

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

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

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

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

    90 

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

    92 

    93         CDSOptions opts = (new CDSOptions())

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

    95             .addSuffix("TestInterpreterMethodEntries", "run")

    96             .setUseVersion(false);

    97         CDSTestUtils.runWithArchiveAndCheck(opts);

    98     }

    99 }

   100