diff options
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm index 5306520169..2c9b211516 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm +++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm @@ -33,11 +33,12 @@ ; )
;------------------------------------------------------------------------------
InternalMemSetMem PROC USES rdi
- mov rax, r8
- mov rdi, rcx
- xchg rcx, rdx
+ push rcx ; push Buffer
+ mov rax, r8 ; rax = Value
+ mov rdi, rcx ; rdi = Buffer
+ mov rcx, rdx ; rcx = Count
rep stosb
- mov rax, rdx
+ pop rax ; rax = Buffer
ret
InternalMemSetMem ENDP
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