1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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  *
  15  * You should have received a copy of the GNU General Public License version
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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