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1. Updated function headers for all assembly function

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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
This commit is contained in:
bxing
2006-07-28 07:28:19 +00:00
parent 27169a56e6
commit eb227e96bd
106 changed files with 1006 additions and 457 deletions
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21
MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.asm
View File

@@ -23,14 +23,21 @@
.code
InternalMemSetMem64 PROC USES rdi
DB 49h, 0fh, 6eh, 0c0h; movq mm0, r8 ; mm0 <- Value
mov rax, rcx ; rax <- Buffer
xchg rcx, rdx ; rcx <- Count
mov rdi, rax
;------------------------------------------------------------------------------
; VOID *
; InternalMemSetMem64 (
; IN VOID *Buffer,
; IN UINTN Count,
; IN UINT64 Value
; )
;------------------------------------------------------------------------------
InternalMemSetMem64 PROC
DB 49h, 0fh, 6eh, 0c0h ; movd mm0, r8 (Value)
mov rax, rcx ; rax <- Buffer
xchg rcx, rdx ; rcx <- Count
@@:
DB 48h, 0fh, 0e7h, 07h; movntq [rdi], mm0
add rdi, 8
DB 0fh, 0e7h, 02h ; movntq [rdx], mm0
add rdx, 8
loop @B
mfence
ret