minix/lib/i386/int64/div64u.s

23 lines
526 B
ArmAsm
Raw Normal View History

2005-04-21 16:53:53 +02:00
! div64u() - 64 bit divided by unsigned giving unsigned long
! Author: Kees J. Bot
! 7 Dec 1995
.sect .text
.define _div64u, _rem64u
_div64u: ! unsigned long div64u(u64_t i, unsigned j);
xor edx, edx
mov eax, 8(esp) ! i = (ih<<32) + il
div 12(esp) ! ih = q * j + r
mov eax, 4(esp)
div 12(esp) ! i / j = (q<<32) + ((r<<32) + il) / j
ret
_rem64u: ! unsigned rem64u(u64_t i, unsigned j);
pop ecx
call _div64u
mov eax, edx
jmp ecx
!
! $PchId: div64u.ack.s,v 1.2 1996/04/11 18:59:57 philip Exp $