1 files changed, 0 insertions, 61 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.asm
deleted file mode 100644
index 8f5b0e34ee2a..000000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.asm
+++ /dev/null
@@ -1,61 +0,0 @@
-;------------------------------------------------------------------------------
-;
-; 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:
-;
-;   CopyMem.Asm
-;
-; Abstract:
-;
-;   CopyMem function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-    .code
-
-;------------------------------------------------------------------------------
-;  VOID *
-;  EFIAPI
-;  InternalMemCopyMem (
-;    IN VOID   *Destination,
-;    IN VOID   *Source,
-;    IN UINTN  Count
-;    )
-;------------------------------------------------------------------------------
-InternalMemCopyMem  PROC    USES    rsi rdi
-    mov     rsi, rdx                    ; rsi <- Source
-    mov     rdi, rcx                    ; rdi <- Destination
-    lea     r9, [rsi + r8 - 1]          ; r9 <- End of Source
-    cmp     rsi, rdi
-    mov     rax, rdi                    ; rax <- Destination as return value
-    jae     @F
-    cmp     r9, rdi
-    jae     @CopyBackward               ; Copy backward if overlapped
-@@:
-    mov     rcx, r8
-    and     r8, 7
-    shr     rcx, 3
-    rep     movsq                       ; Copy as many Qwords as possible
-    jmp     @CopyBytes
-@CopyBackward:
-    mov     rsi, r9                     ; rsi <- End of Source
-    lea     rdi, [rdi + r8 - 1]         ; esi <- End of Destination
-    std                                 ; set direction flag
-@CopyBytes:
-    mov     rcx, r8
-    rep     movsb                       ; Copy bytes backward
-    cld
-    ret
-InternalMemCopyMem  ENDP
-
-    END