--- old/src/hotspot/cpu/sparc/globalDefinitions_sparc.hpp	2019-12-17 15:46:01.000000000 -0500
+++ new/src/hotspot/cpu/sparc/globalDefinitions_sparc.hpp	2019-12-17 15:46:01.000000000 -0500
@@ -42,12 +42,14 @@
 #if defined(TIERED)
   // tiered, 64-bit, large machine
   #define DEFAULT_CACHE_LINE_SIZE 128
+  #define OM_CACHE_LINE_SIZE 64
 #elif defined(COMPILER1)
   // pure C1, 32-bit, small machine
   #define DEFAULT_CACHE_LINE_SIZE 16
 #elif defined(COMPILER2)
   // pure C2, 64-bit, large machine
   #define DEFAULT_CACHE_LINE_SIZE 128
+  #define OM_CACHE_LINE_SIZE 64
 #endif
 
 #if defined(SOLARIS)