--- a/src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp	Tue Oct 03 06:48:40 2017 +0200
+++ b/src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp	Tue Sep 26 21:37:01 2017 +0200
@@ -57,19 +57,16 @@
   }
 };
 
-inline jint Atomic::xchg (jint exchange_value, volatile jint* dest)
-{
-  jint res = __sync_lock_test_and_set (dest, exchange_value);
+template<size_t byte_size>
+template<typename T>
+inline T Atomic::PlatformXchg<byte_size>::operator()(T exchange_value,
+                                                     T volatile* dest) const {
+  STATIC_ASSERT(byte_size == sizeof(T));
+  T res = __sync_lock_test_and_set(dest, exchange_value);
   FULL_MEM_BARRIER;
   return res;
 }
 
-inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest)
-{
-  return (void *) xchg_ptr((intptr_t) exchange_value,
-                           (volatile intptr_t*) dest);
-}
-
 template<size_t byte_size>
 template<typename T>
 inline T Atomic::PlatformCmpxchg<byte_size>::operator()(T exchange_value,
@@ -90,13 +87,6 @@
 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; }
 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; }
 
-inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest)
-{
-  intptr_t res = __sync_lock_test_and_set (dest, exchange_value);
-  FULL_MEM_BARRIER;
-  return res;
-}
-
 inline jlong Atomic::load(const volatile jlong* src) { return *src; }
 
 #endif // OS_CPU_LINUX_AARCH64_VM_ATOMIC_LINUX_AARCH64_HPP