diff options
| author | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-28 07:28:19 +0000 |
|---|---|---|
| committer | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-28 07:28:19 +0000 |
| commit | eb227e96bd06a5b0f2f933187a679e7fb3382cd9 (patch) | |
| tree | b16e46f494d8d9d8552d8d0e882ad78019934071 /MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm | |
| parent | 27169a56e67556796ab0410c8917436dc9aa2abf (diff) | |
| download | edk2-platforms-eb227e96bd06a5b0f2f933187a679e7fb3382cd9.tar.xz | |
1. Updated function headers for all assembly function
2. Optimized register usage in SetMemXX functions in all lib instances
3. Fixed a logical error in CopyMem for all lib instances
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1139 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm index ef94c562b5..a26b9412d4 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm +++ b/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm @@ -32,9 +32,10 @@ ; )
;------------------------------------------------------------------------------
InternalMemSetMem64 PROC
- mov rax, rcx
+ mov rax, rcx ; rax <- Buffer
+ xchg rcx, rdx ; rcx <- Count & rdx <- Buffer
test dl, 8
- xchg rcx, rdx
+ movd xmm0, r8
jz @F
mov [rdx], r8
add rdx, 8
@@ -42,7 +43,6 @@ InternalMemSetMem64 PROC @@:
shr rcx, 1
jz @SetQwords
- movd xmm0, r8
movlhps xmm0, xmm0
@@:
movntdq [rdx], xmm0
|