src/hotspot/share/utilities/globalDefinitions.hpp

@@ -449,10 +449,11 @@
 
 const int LogKlassAlignmentInBytes = 3;
 const int LogKlassAlignment        = LogKlassAlignmentInBytes - LogHeapWordSize;
 const int KlassAlignmentInBytes    = 1 << LogKlassAlignmentInBytes;
 const int KlassAlignment           = KlassAlignmentInBytes / HeapWordSize;
+const int KlassPtrValueTypeMask    = (1 << (LogKlassAlignmentInBytes + 1)) - 1;
 
 // Maximal size of heap where unscaled compression can be used. Also upper bound
 // for heap placement: 4GB.
 const  uint64_t UnscaledOopHeapMax = (uint64_t(max_juint) + 1);
 // Maximal size of heap where compressed oops can be used. Also upper bound for heap