src/cpu/aarch64/vm/stubGenerator_aarch64.cpp

*** 749,758 ****
--- 749,759 ----
             __ sub(end, end, start); // number of bytes to copy
  
            const Register count = end; // 'end' register contains bytes count now
            __ mov(scratch, (address)ct->byte_map_base);
            __ add(start, start, scratch);
+           __ membar(__ StoreStore|__ LoadStore);
            __ BIND(L_loop);
            __ strb(zr, Address(start, count));
            __ subs(count, count, 1);
            __ br(Assembler::HS, L_loop);
          }