4 /* n = n / base; return rem; */
6 #define do_div(n, base) ({ \
8 unsigned long n32[2]; \
9 unsigned long long n64; \
11 unsigned long __rem, __upper; \
14 if ((__upper = __n.n32[0])) { \
15 asm ("divul.l %2,%1:%0" \
16 : "=d" (__n.n32[0]), "=d" (__upper) \
17 : "d" (base), "0" (__n.n32[0])); \
19 asm ("divu.l %2,%1:%0" \
20 : "=d" (__n.n32[1]), "=d" (__rem) \
21 : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
26 #endif /* _M68K_DIV64_H */
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