1. Updated function headers for all assembly function

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / X64 / SetMem64.asm

diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm
index 5780647445eedb4f2252b931ecc4d108143f7c0e..454d6234bff62fd561a0bc65734225dfd9a16d31 100644 (file)
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm
+++ b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm
@@ -23,14 +23,21 @@
 \r
     .code\r
 \r
-InternalMemSetMem64 PROC    USES    rdi\r
-    DB      49h, 0fh, 6eh, 0c0h;  movq    mm0, r8       ; mm0 <- Value\r
-    mov     rax, rcx                                    ; rax <- Buffer\r
-    xchg    rcx, rdx                                    ; rcx <- Count\r
-    mov     rdi, rax\r
+;------------------------------------------------------------------------------\r
+;  VOID *\r
+;  InternalMemSetMem64 (\r
+;    IN VOID   *Buffer,\r
+;    IN UINTN  Count,\r
+;    IN UINT64 Value\r
+;    )\r
+;------------------------------------------------------------------------------\r
+InternalMemSetMem64 PROC\r
+    DB      49h, 0fh, 6eh, 0c0h         ; movd mm0, r8 (Value)\r
+    mov     rax, rcx                    ; rax <- Buffer\r
+    xchg    rcx, rdx                    ; rcx <- Count\r
 @@:\r
-    DB      48h, 0fh, 0e7h, 07h;  movntq  [rdi], mm0\r
-    add     rdi, 8\r
+    DB      0fh, 0e7h, 02h              ; movntq  [rdx], mm0\r
+    add     rdx, 8\r
     loop    @B\r
     mfence\r
     ret\r