diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index 998b33b885..8d93b91461 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -457,6 +457,7 @@
   X64/DisableInterrupts.asm | MSFT
   X64/EnableInterrupts.nasm| MSFT
   X64/EnableInterrupts.asm | MSFT
+  X64/FlushCacheLine.nasm| MSFT
   X64/FlushCacheLine.asm | MSFT
   X64/Invd.asm | MSFT
   X64/Wbinvd.asm | MSFT
@@ -535,6 +536,7 @@
   X64/DisableInterrupts.asm | INTEL
   X64/EnableInterrupts.nasm| INTEL
   X64/EnableInterrupts.asm | INTEL
+  X64/FlushCacheLine.nasm| INTEL
   X64/FlushCacheLine.asm | INTEL
   X64/Invd.asm | INTEL
   X64/Wbinvd.asm | INTEL
diff --git a/MdePkg/Library/BaseLib/X64/FlushCacheLine.nasm b/MdePkg/Library/BaseLib/X64/FlushCacheLine.nasm
new file mode 100644
index 0000000000..9a37df85db
--- /dev/null
+++ b/MdePkg/Library/BaseLib/X64/FlushCacheLine.nasm
@@ -0,0 +1,39 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
+; This program and the accompanying materials
+; are licensed and made available under the terms and conditions of the BSD License
+; which accompanies this distribution.  The full text of the license may be found at
+; http://opensource.org/licenses/bsd-license.php.
+;
+; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+;
+; Module Name:
+;
+;   FlushCacheLine.Asm
+;
+; Abstract:
+;
+;   AsmFlushCacheLine function
+;
+; Notes:
+;
+;------------------------------------------------------------------------------
+
+    DEFAULT REL
+    SECTION .text
+
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; AsmFlushCacheLine (
+;   IN      VOID                      *LinearAddress
+;   );
+;------------------------------------------------------------------------------
+global ASM_PFX(AsmFlushCacheLine)
+ASM_PFX(AsmFlushCacheLine):
+    clflush [rcx]
+    mov     rax, rcx
+    ret
+