#ifndef __I386_DIV64 #define __I386_DIV64 #define do_div(n,base) ({ \ unsigned long __upper, __low, __high, __mod; \ asm("":"=a" (__low), "=d" (__high):"A" (n)); \ __upper = __high; \ if (__high) { \ __upper = __high % (base); \ __high = __high / (base); \ } \ asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (base), "0" (__low), "1" (__upper)); \ asm("":"=A" (n):"a" (__low),"d" (__high)); \ __mod; \ }) #endif