1 files changed, 0 insertions, 79 deletions
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.asm b/MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.asm
deleted file mode 100644
index 9218003428f6..000000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.asm
+++ /dev/null
@@ -1,79 +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 <- Last byte of Source
-    cmp     rsi, rdi
-    mov     rax, rdi                    ; rax <- Destination as return value
-    jae     @F                          ; Copy forward if Source > Destination
-    cmp     r9, rdi                     ; Overlapped?
-    jae     @CopyBackward               ; Copy backward if overlapped
-@@:
-    xor     rcx, rcx
-    sub     rcx, rdi                    ; rcx <- -rdi
-    and     rcx, 15                     ; rcx + rsi should be 16 bytes aligned
-    jz      @F                          ; skip if rcx == 0
-    cmp     rcx, r8
-    cmova   rcx, r8
-    sub     r8, rcx
-    rep     movsb
-@@:
-    mov     rcx, r8
-    and     r8, 15
-    shr     rcx, 4                      ; rcx <- # of DQwords to copy
-    jz      @CopyBytes
-    movdqa  [rsp + 18h], xmm0           ; save xmm0 on stack
-@@:
-    movdqu  xmm0, [rsi]                 ; rsi may not be 16-byte aligned
-    movntdq [rdi], xmm0                 ; rdi should be 16-byte aligned
-    add     rsi, 16
-    add     rdi, 16
-    loop    @B
-    mfence
-    movdqa  xmm0, [rsp + 18h]           ; restore xmm0
-    jmp     @CopyBytes                  ; copy remaining bytes
-@CopyBackward:
-    mov     rsi, r9                     ; rsi <- Last byte of Source
-    lea     rdi, [rdi + r8 - 1]         ; rdi <- Last byte of Destination
-    std
-@CopyBytes:
-    mov     rcx, r8
-    rep     movsb
-    cld
-    ret
-InternalMemCopyMem  ENDP
-
-    END