minix/lib/libc/arch/i386/int64/sub64u.s

18 lines
412 B
ArmAsm

! sub64() - unsigned from 64 bit subtraction Author: Kees J. Bot
! 7 Dec 1995
.sect .text
.define _sub64u, _sub64ul
_sub64u: ! u64_t sub64u(u64_t i, unsigned j);
_sub64ul: ! u64_t sub64ul(u64_t i, unsigned long j);
mov eax, 4(esp)
mov edx, 8(esp)
sub edx, 16(esp)
mov (eax), edx
mov edx, 12(esp)
sbb edx, 0
mov 4(eax), edx
ret
!
! $PchId: sub64u.ack.s,v 1.2 1996/04/11 18:59:57 philip Exp $