4 #include <linux/types.h>
6 /* n = n / base; return rem; */
8 #define do_div(n, base) ({ \
10 unsigned long n32[2]; \
11 unsigned long long n64; \
13 unsigned long __rem, __upper; \
16 if ((__upper = __n.n32[0])) { \
17 asm ("divul.l %2,%1:%0" \
18 : "=d" (__n.n32[0]), "=d" (__upper) \
19 : "d" (base), "0" (__n.n32[0])); \
21 asm ("divu.l %2,%1:%0" \
22 : "=d" (__n.n32[1]), "=d" (__rem) \
23 : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
28 #endif /* _M68K_DIV64_H */