--- old/src/hotspot/share/gc/shared/memset_with_concurrent_readers.hpp	2020-05-20 18:00:10.086267447 -0700
+++ new/src/hotspot/share/gc/shared/memset_with_concurrent_readers.hpp	2020-05-20 18:00:09.698259997 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -32,19 +32,8 @@
 
 // Fill a block of memory with value, like memset, but with the
 // 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