sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

unify the name convention of label in .S files

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6195 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
eric_tian
2008-10-23 06:46:29 +00:00
parent 6981c77851
commit 852f5d9673
7 changed files with 31 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S
View File

@@ -44,38 +44,38 @@ ASM_PFX(InternalMemCopyMem):
lea r9, [rsi + r8 - 1] # r9 <- Last byte of Source
cmp rsi, rdi
mov rax, rdi # rax <- Destination as return value
jae _InternalMemCopyMem_al_0000 # Copy forward if Source > Destination
jae L0 # Copy forward if Source > Destination
cmp r9, rdi # Overlapped?
jae _atSym_CopyBackward # Copy backward if overlapped
_InternalMemCopyMem_al_0000:
jae L_CopyBackward # Copy backward if overlapped
L0:
xor rcx, rcx
sub rcx, rdi # rcx <- -rdi
and rcx, 15 # rcx + rsi should be 16 bytes aligned
jz _InternalMemCopyMem_al_0001 # skip if rcx == 0
jz L1 # skip if rcx == 0
cmp rcx, r8
cmova rcx, r8
sub r8, rcx
rep movsb
_InternalMemCopyMem_al_0001:
L1:
mov rcx, r8
and r8, 15
shr rcx, 4 # rcx <- # of DQwords to copy
jz _atSym_CopyBytes
movdqa [rsp + 0x18], xmm0 # save xmm0 on stack
_InternalMemCopyMem_al_0002:
jz L_CopyBytes
movdqa [rsp + 0x18], xmm0 # save xmm0 on stack
L2:
movdqu xmm0, [rsi] # rsi may not be 16-byte aligned
movntdq [rdi], xmm0 # rdi should be 16-byte aligned
add rsi, 16
add rdi, 16
loop _InternalMemCopyMem_al_0002
loop L2
mfence
movdqa xmm0, [rsp + 0x18] # restore xmm0
jmp _atSym_CopyBytes # copy remaining bytes
_atSym_CopyBackward:
movdqa xmm0, [rsp + 0x18] # restore xmm0
jmp L_CopyBytes # copy remaining bytes
L_CopyBackward:
mov rsi, r9 # rsi <- Last byte of Source
lea rdi, [rdi + r8 - 1] # rdi <- Last byte of Destination
std
_atSym_CopyBytes:
L_CopyBytes:
mov rcx, r8
rep movsb
cld