MdePkg: Replace Opcode with the corresponding instructions.

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / X64 / CopyMem.nasm

diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.nasm b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.nasm
index 5769c00bf9207d101b772f7057c388256a6b27eb..3b336c6bdf4b651a4eec4d4e2298ac00abcf743f 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.nasm
+++ b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.nasm
@@ -1,6 +1,6 @@
 ;------------------------------------------------------------------------------\r
 ;\r
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+; Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>\r
 ; SPDX-License-Identifier: BSD-2-Clause-Patent\r
 ;\r
 ; Module Name:\r
@@ -44,15 +44,15 @@ ASM_PFX(InternalMemCopyMem):
     and     r8, 7\r
     shr     rcx, 3                      ; rcx <- # of Qwords to copy\r
     jz      @CopyBytes\r
-    DB      0x49, 0xf, 0x7e, 0xc2         ; movd r10, mm0 (Save mm0 in r10)\r
+    movq    r10, mm0\r
 .1:\r
-    DB      0xf, 0x6f, 0x6               ; movd mm0, [rsi]\r
-    DB      0xf, 0xe7, 0x7              ; movntq [rdi], mm0\r
+    movq    mm0, [rsi]\r
+    movntq  [rdi], mm0\r
     add     rsi, 8\r
     add     rdi, 8\r
     loop    .1\r
     mfence\r
-    DB      0x49, 0xf, 0x6e, 0xc2         ; movd mm0, r10 (Restore mm0)\r
+    movq    mm0, r10\r
     jmp     @CopyBytes\r
 @CopyBackward:\r
     mov     rsi, r9                     ; rsi <- End of Source\r