diff options
| author | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-12 09:23:28 +0000 |
|---|---|---|
| committer | bxing <bxing@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-07-12 09:23:28 +0000 |
| commit | db8f40e294c3ab4a8079619da71b6e41dea8044a (patch) | |
| tree | 4a79d8f4d7267c2b3de1a86fec7b5547049203ff /MdePkg/Library/BaseMemoryLibSse2/x64 | |
| parent | 7867eb23e85d12ee494bb0a70cfb34fe55a2671c (diff) | |
| download | edk2-platforms-db8f40e294c3ab4a8079619da71b6e41dea8044a.tar.xz | |
1. Added '#pragma pack' directive in BaseLib.h for the structure IA32_DESCRIPTOR
2. Updated SetMem64.asm's to remove any SSE3 instructions.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@901 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/x64')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm b/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm index 8b33386ad0..ef94c562b5 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm +++ b/MdePkg/Library/BaseMemoryLibSse2/x64/SetMem64.asm @@ -25,35 +25,33 @@ ;------------------------------------------------------------------------------
; VOID *
-; _mem_SetMem64 (
+; InternalMemSetMem64 (
; IN VOID *Buffer,
; IN UINTN Count,
-; IN UINT8 Value
+; IN UINT64 Value
; )
;------------------------------------------------------------------------------
-InternalMemSetMem64 PROC USES rdi
- mov rdi, rcx
- mov r9, rcx
- test cl, 8
+InternalMemSetMem64 PROC
+ mov rax, rcx
+ test dl, 8
+ xchg rcx, rdx
jz @F
- mov [rdi], r8
- add rdi, 8
- dec rdx
+ mov [rdx], r8
+ add rdx, 8
+ dec rcx
@@:
- mov rcx, rdx
shr rcx, 1
jz @SetQwords
movd xmm0, r8
movlhps xmm0, xmm0
@@:
- movntdq [rdi], xmm0
- add rdi, 16
+ movntdq [rdx], xmm0
+ lea rdx, [rdx + 16]
loop @B
mfence
@SetQwords:
- test dl, 1
- jz @F
- mov [rdi], r8
+ jnc @F
+ mov [rdx], r8
@@:
ret
InternalMemSetMem64 ENDP
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