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

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/* sub64() - unsigned from 64 bit subtraction Author: Kees J. Bot */
/* 7 Dec 1995 */
#include <minix/compiler.h>
.text
.globl _sub64u, _sub64ul
_sub64u:
/* u64_t sub64u(u64_t i, unsigned j); */
_sub64ul:
/* u64_t sub64ul(u64_t i, unsigned long j); */
movl 4(%esp), %eax
movl 8(%esp), %edx
subl 16(%esp), %edx
movl %edx, (%eax)
movl 12(%esp), %edx
sbbl $0, %edx
movl %edx, 4(%eax)
ret BYTES_TO_POP_ON_STRUCT_RETURN
/* */
/* $PchId: sub64u.ack.s,v 1.2 1996/04/11 18:59:57 philip Exp $ */