1 files changed, 0 insertions, 70 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm
deleted file mode 100644
index 120e3e8dd4fa..000000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.asm
+++ /dev/null
@@ -1,70 +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 (
-;   OUT     VOID                      *DestinationBuffer,
-;   IN      CONST VOID                *SourceBuffer,
-;   IN      UINTN                     Length
-;   );
-;------------------------------------------------------------------------------
-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                      ; rcx <- # of Qwords to copy
-    jz      @CopyBytes
-    DB      49h, 0fh, 7eh, 0c2h         ; movd r10, mm0 (Save mm0 in r10)
-@@:
-    DB      0fh, 6fh, 06h               ; movd mm0, [rsi]
-    DB      0fh, 0e7h, 07h              ; movntq [rdi], mm0
-    add     rsi, 8
-    add     rdi, 8
-    loop    @B
-    mfence
-    DB      49h, 0fh, 6eh, 0c2h         ; movd mm0, r10 (Restore mm0)
-    jmp     @CopyBytes
-@CopyBackward:
-    mov     rsi, r9                     ; rsi <- End of Source
-    lea     rdi, [rdi + r8 - 1]         ; rdi <- End of Destination
-    std                                 ; set direction flag
-@CopyBytes:
-    mov     rcx, r8
-    rep     movsb                       ; Copy bytes backward
-    cld
-    ret
-InternalMemCopyMem  ENDP
-
-    END