45         if (args.length == 0) {
  46           // Dump and use shared archive with different flag combinations
  47           dumpAndUseSharedArchive("+", "-");
  48           dumpAndUseSharedArchive("-", "+");
  49         } else {
  50           // Call intrinsified java.lang.Math::fma()
  51           Math.fma(1.0, 2.0, 3.0);
  52 
  53           byte[] buffer = new byte[256];
  54           // Call intrinsified java.util.zip.CRC32::update()
  55           CRC32 crc32 = new CRC32();
  56           crc32.update(buffer, 0, 256);
  57 
  58           // Call intrinsified java.util.zip.CRC32C::updateBytes(..)
  59           CRC32C crc32c = new CRC32C();
  60           crc32c.update(buffer, 0, 256);
  61         }
  62     }
  63 
  64     private static void dumpAndUseSharedArchive(String dump, String use) throws Exception {


  65         String dumpFMA    = "-XX:" + dump + "UseFMA";
  66         String dumpCRC32  = "-XX:" + dump + "UseCRC32Intrinsics";
  67         String dumpCRC32C = "-XX:" + dump + "UseCRC32CIntrinsics";
  68         String useFMA     = "-XX:" + use  + "UseFMA";
  69         String useCRC32   = "-XX:" + use  + "UseCRC32Intrinsics";
  70         String useCRC32C  = "-XX:" + use  + "UseCRC32CIntrinsics";
  71 
  72         CDSTestUtils.createArchiveAndCheck(dumpFMA, dumpCRC32, dumpCRC32C);
  73 
  74         CDSOptions opts = (new CDSOptions())
  75             .addPrefix(useFMA, useCRC32, useCRC32C, "-showversion")
  76             .addSuffix("TestInterpreterMethodEntries", "run")
  77             .setUseVersion(false);
  78         CDSTestUtils.runWithArchiveAndCheck(opts);
  79     }
  80 }
  81 

  45         if (args.length == 0) {
  46           // Dump and use shared archive with different flag combinations
  47           dumpAndUseSharedArchive("+", "-");
  48           dumpAndUseSharedArchive("-", "+");
  49         } else {
  50           // Call intrinsified java.lang.Math::fma()
  51           Math.fma(1.0, 2.0, 3.0);
  52 
  53           byte[] buffer = new byte[256];
  54           // Call intrinsified java.util.zip.CRC32::update()
  55           CRC32 crc32 = new CRC32();
  56           crc32.update(buffer, 0, 256);
  57 
  58           // Call intrinsified java.util.zip.CRC32C::updateBytes(..)
  59           CRC32C crc32c = new CRC32C();
  60           crc32c.update(buffer, 0, 256);
  61         }
  62     }
  63 
  64     private static void dumpAndUseSharedArchive(String dump, String use) throws Exception {
  65         String unlock     = "-XX:+UnlockDiagnosticVMOptions";
  66 
  67         String dumpFMA    = "-XX:" + dump + "UseFMA";
  68         String dumpCRC32  = "-XX:" + dump + "UseCRC32Intrinsics";
  69         String dumpCRC32C = "-XX:" + dump + "UseCRC32CIntrinsics";
  70         String useFMA     = "-XX:" + use  + "UseFMA";
  71         String useCRC32   = "-XX:" + use  + "UseCRC32Intrinsics";
  72         String useCRC32C  = "-XX:" + use  + "UseCRC32CIntrinsics";
  73 
  74         CDSTestUtils.createArchiveAndCheck(unlock, dumpFMA, dumpCRC32, dumpCRC32C);
  75 
  76         CDSOptions opts = (new CDSOptions())
  77             .addPrefix(unlock, useFMA, useCRC32, useCRC32C, "-showversion")
  78             .addSuffix("TestInterpreterMethodEntries", "run")
  79             .setUseVersion(false);
  80         CDSTestUtils.runWithArchiveAndCheck(opts);
  81     }
  82 }
  83