test/hotspot/jtreg/runtime/cds/TestInterpreterMethodEntries.java
author chegar
Thu, 17 Oct 2019 20:54:25 +0100
branchdatagramsocketimpl-branch
changeset 58679 9c3209ff7550
parent 58678 9cf78a70fa4f
parent 57705 7cf02b2c1455
permissions -rw-r--r--
datagramsocketimpl-branch: merge with default

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * 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,
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/**
 * @test InterpreterMethodEntries
 * @bug 8169711
 * @summary Test interpreter method entries for intrinsics with CDS (class data sharing)
 *          and the intrinsic flag enabled during dump and disabled during use of the archive.
 * @requires vm.cds
 * @comment the test disables intrinsics, so it can't be run w/ AOT'ed java module
 * @requires !vm.aot.enabled
 * @library /test/lib
 * @run driver TestInterpreterMethodEntries true false
 */

/**
 * @test InterpreterMethodEntries
 * @bug 8169711
 * @summary Test interpreter method entries for intrinsics with CDS (class data sharing)
 *          and the intrinsic flag disabled during dump and enabled during use of the archive.
 * @requires vm.cds
 * @library /test/lib
 * @run driver TestInterpreterMethodEntries false true
 */

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 > 1) {
          boolean dump = Boolean.parseBoolean(args[0]);
          boolean use  = Boolean.parseBoolean(args[1]);

          // Dump and use shared archive with different flag combinations
          dumpAndUseSharedArchive(dump ? "+" : "-", use ? "+" : "-");
        } 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);
    }
}