minix/lib/i386/em/em_xor.s

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ArmAsm
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2005-04-21 16:53:53 +02:00
.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
.define .xor
! #bytes in ecx
.xor:
pop ebx ! return address
mov edx,edi
mov edi,esp
add edi,ecx
sar ecx,2
1:
pop eax
xor eax,(edi)
stos
loop 1b
mov edi,edx
jmp ebx