Fix .S assembler building issue.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6203 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.S

@@ -1,65 +1,58 @@
-;------------------------------------------------------------------------------
-;
-; Copyright (c) 2006, 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
-; 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:
-;
-;   SetMem.Asm
-;
-; Abstract:
-;
-;   SetMem function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-    .code
-
-;------------------------------------------------------------------------------
-;  VOID *
-;  EFIAPI
-;  InternalMemSetMem (
-;    IN VOID   *Buffer,
-;    IN UINTN  Count,
-;    IN UINT8  Value
-;    )
-;------------------------------------------------------------------------------
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006, 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
+# 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:
+#
+#   SetMem.Asm
+#
+# Abstract:
+#
+#   SetMem function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+#------------------------------------------------------------------------------
+#  VOID *
+#  EFIAPI
+#  InternalMemSetMem (
+#    IN VOID   *Buffer,
+#    IN UINTN  Count,
+#    IN UINT8  Value
+#    )
+#------------------------------------------------------------------------------
 .intel_syntax noprefix
 .globl ASM_PFX(InternalMemSetMem)
 ASM_PFX(InternalMemZeroMem):
-InternalMemSetMem   PROC    USES    rdi rbx
     push    rdi
     push    rbx
-    push    rcx       ; push Buffer
-    mov     rax, r8   ; rax = Value
-    and     rax, 0ffh ; rax = lower 8 bits of r8, upper 56 bits are 0
-    mov     ah,  al   ; ah  = al
-    mov     bx,  ax   ; bx  = ax
-    shl     rax, 10h  ; rax = ax << 16
-    mov     ax,  bx   ; ax  = bx
-    mov     rbx, rax  ; ebx = eax
-    shl     rax, 20h  ; rax = rax << 32
-    or      rax, rbx  ; eax = ebx
-    mov     rdi, rcx  ; rdi = Buffer
-    mov     rcx, rdx  ; rcx = Count
-    shr     rcx, 3    ; rcx = rcx / 8
+    push    rcx       # push Buffer
+    mov     rax, r8   # rax = Value
+    and     rax, 0xff # rax = lower 8 bits of r8, upper 56 bits are 0
+    mov     ah,  al   # ah  = al
+    mov     bx,  ax   # bx  = ax
+    shl     rax, 0x10  # rax = ax << 16
+    mov     ax,  bx   # ax  = bx
+    mov     rbx, rax  # ebx = eax
+    shl     rax, 0x20  # rax = rax << 32
+    or      rax, rbx  # eax = ebx
+    mov     rdi, rcx  # rdi = Buffer
+    mov     rcx, rdx  # rcx = Count
+    shr     rcx, 3    # rcx = rcx / 8
     cld
     rep     stosq	
-    mov     rcx, rdx  ; rcx = rdx
-    and     rcx, 7    ; rcx = rcx & 7
+    mov     rcx, rdx  # rcx = rdx
+    and     rcx, 7    # rcx = rcx & 7
     rep     stosb	
-    pop     rax       ; rax = Buffer
+    pop     rax       # rax = Buffer
     pop     rbx
     pop     rdi
     ret
-InternalMemSetMem   ENDP
-
-    END