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| author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-10-06 21:59:01 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-10-06 21:59:01 +0000 |
| commit | 9b7c438b983edfb0b9682b361f3c3f1967357b78 (patch) | |
| tree | 165d684a03166f0288f4235a4e1edb5402b061e8 | |
| parent | b3ad302e0feaa203b2ae4cb4b9dc13bbd3fd9efe (diff) | |
| download | edk2-platforms-9b7c438b983edfb0b9682b361f3c3f1967357b78.tar.xz | |
Restore original algorithm and add comments
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4033 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm index 2c9b211516..fe1bc70f6b 100644 --- a/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm +++ b/MdePkg/Library/BaseMemoryLibRepStr/x64/SetMem.asm @@ -33,12 +33,11 @@ ; )
;------------------------------------------------------------------------------
InternalMemSetMem PROC USES rdi
- push rcx ; push Buffer
mov rax, r8 ; rax = Value
mov rdi, rcx ; rdi = Buffer
- mov rcx, rdx ; rcx = Count
+ xchg rcx, rdx ; rcx = Count, rdx = Buffer
rep stosb
- pop rax ; rax = Buffer
+ mov rax, rdx ; rax = Buffer
ret
InternalMemSetMem ENDP
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