--- old/src/hotspot/share/gc/shared/memset_with_concurrent_readers.hpp	2020-05-01 02:26:00.024120757 -0700
+++ new/src/hotspot/share/gc/shared/memset_with_concurrent_readers.hpp	2020-05-01 02:25:59.700114524 -0700
@@ -34,17 +34,8 @@
 // understanding that there may be concurrent readers of that memory.
 void memset_with_concurrent_readers(void* to, int value, size_t size);
 
-#ifdef SPARC
-
-// SPARC requires special handling.  See SPARC-specific definition.
-
-#else
-// All others just use memset.
-
 inline void memset_with_concurrent_readers(void* to, int value, size_t size) {
   ::memset(to, value, size);
 }
 
-#endif // End of target dispatch.
-
 #endif // SHARE_GC_SHARED_MEMSET_WITH_CONCURRENT_READERS_HPP