MdePkg BaseMemoryLibOptPei: Convert X64/SetMem64.asm to NASM

The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
X64/SetMem64.asm to X64/SetMem64.nasm

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
index 1766b84..145f883 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
+++ b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
@@ -110,6 +110,7 @@
   X64/ZeroMem.nasm

   X64/ZeroMem.asm

   X64/ZeroMem.S

+  X64/SetMem64.nasm

   X64/SetMem64.asm

   X64/SetMem64.S

   X64/SetMem32.asm

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.nasm b/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.nasm
new file mode 100644
index 0000000..350f97a
--- /dev/null
+++ b/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.nasm
@@ -0,0 +1,45 @@
+;------------------------------------------------------------------------------

+;

+; 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:

+;

+;   SetMem64.Asm

+;

+; Abstract:

+;

+;   SetMem64 function

+;

+; Notes:

+;

+;------------------------------------------------------------------------------

+

+    DEFAULT REL

+    SECTION .text

+

+;------------------------------------------------------------------------------

+;  VOID *

+;  InternalMemSetMem64 (

+;    IN VOID   *Buffer,

+;    IN UINTN  Count,

+;    IN UINT64 Value

+;    )

+;------------------------------------------------------------------------------

+global ASM_PFX(InternalMemSetMem64)

+ASM_PFX(InternalMemSetMem64):

+    push    rdi

+    mov     rdi, rcx

+    mov     rax, r8

+    xchg    rcx, rdx

+    rep     stosq

+    mov     rax, rdx

+    pop     rdi

+    ret

+