/** @file

  GCC inline implementation of BaseLib processor specific functions.

  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>

  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>

  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

/**

  Used to serialize load and store operations.

  All loads and stores that proceed calls to this function are guaranteed to be

  globally visible when this function returns.

**/

VOID

EFIAPI

MemoryFence (

  VOID

  )

{

  // This is a little bit of overkill and it is more about the compiler that it is

  // actually processor synchronization. This is like the _ReadWriteBarrier

  // Microsoft specific intrinsic

  __asm__ __volatile__ ("":::"memory");

}