1 files changed, 14 insertions, 15 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S
index b5dec03031..4ea751f97a 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S
+++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S
@@ -3,7 +3,7 @@
 #
 #------------------------------------------------------------------------------
 #
-# Copyright (c) 2006 - 2008, Intel Corporation
+# Copyright (c) 2006 - 2009, Intel Corporation
 # All rights reserved. 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
@@ -32,27 +32,26 @@
 #    IN UINTN  Count
 #    );
 #------------------------------------------------------------------------------
-.intel_syntax noprefix
 ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
 ASM_PFX(InternalMemZeroMem):
-    push    rdi
-    mov     rdi, rcx
-    mov     rcx, rdx
-    mov     r8, rdi
-    and     edx, 7
-    shr     rcx, 3
+    pushq   %rdi
+    movq    %rcx, %rdi
+    movq    %rdx, %rcx
+    movq    %rdi, %r8
+    andq    $7, %rdx
+    shrq    $3, %rcx
     jz      L_ZeroBytes
-    pxor    mm0, mm0
+    pxor    %mm0, %mm0
 L0:
-    movntq  [rdi], mm0
-    add     rdi, 8
+    movntq  %mm0, (%rdi)
+    addq    $8, %rdi
     loop    L0
     mfence
 L_ZeroBytes:
-    xor     eax, eax
-    mov     ecx, edx
+    xorl    %eax, %eax
+    movl    %edx, %ecx
     rep     stosb
-    mov     rax, r8
-    pop     rdi
+    movq    %r8, %rax
+    popq    %rdi
     ret