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/BaseMemoryLibMmx/Ia32/ZeroMem.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/BaseMemoryLibMmx/Ia32/ZeroMem.asm')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm index 31ef120525..a75480bd40 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm +++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.asm @@ -23,15 +23,15 @@ .686
.model flat,C
- .xmm
+ .mmx
.code
;------------------------------------------------------------------------------
; VOID *
-; _mem_ZeroMem (
+; InternalMemZeroMem (
; IN VOID *Buffer,
; IN UINTN Count
-; )
+; );
;------------------------------------------------------------------------------
InternalMemZeroMem PROC USES edi
mov edi, [esp + 8]
@@ -41,10 +41,9 @@ InternalMemZeroMem PROC USES edi jz @ZeroBytes
pxor mm0, mm0
@@:
- movntq [edi], mm0
+ movq [edi], mm0
add edi, 8
loop @B
- mfence
@ZeroBytes:
and edx, 7
xor eax, eax
|