X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FLibrary%2FBaseMemoryLibMmx%2FX64%2FSetMem16.asm;fp=MdePkg%2FLibrary%2FBaseMemoryLibMmx%2FX64%2FSetMem16.asm;h=01b72c55d56b177c34e17a44971cac36260b414a;hb=eb227e96bd06a5b0f2f933187a679e7fb3382cd9;hp=a95020876c98fe12a86645cc5e6f6d4658c8aaee;hpb=27169a56e67556796ab0410c8917436dc9aa2abf;p=mirror_edk2.git

diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm
index a95020876c..01b72c55d5 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm
+++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.asm
@@ -23,23 +23,32 @@
 
     .code
 
+;------------------------------------------------------------------------------
+; VOID *
+; EFIAPI
+; InternalMemSetMem16 (
+;   OUT     VOID                      *Buffer,
+;   IN      UINTN                     Length,
+;   IN      UINT16                    Value
+;   );
+;------------------------------------------------------------------------------
 InternalMemSetMem16 PROC    USES    rdi
     mov     rax, r8
-    DB      48h, 0fh, 6eh, 0c0h        ;  movq    mm0, rax
+    DB      48h, 0fh, 6eh, 0c0h         ; movd mm0, rax
     mov     r8, rcx
     mov     rdi, r8
     mov     rcx, rdx
-    and     rdx, 3
+    and     edx, 3
     shr     rcx, 2
     jz      @SetWords
-    DB      0fh, 70h, 0C0h, 00h        ;  pshufw  mm0, mm0, 0h
-@@: 
-    DB      48h, 0fh, 0e7h, 07h        ;  movntq  [rdi], mm0
+    DB      0fh, 70h, 0C0h, 00h         ; pshufw mm0, mm0, 0h
+@@:
+    DB      0fh, 0e7h, 07h              ; movntq [rdi], mm0
     add     rdi, 8
     loop    @B
     mfence
 @SetWords:
-    mov     rcx, rdx
+    mov     ecx, edx
     rep     stosw
     mov     rax, r8
     ret