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#ifndef _ASM_M32R_DIV64
#define _ASM_M32R_DIV64
/* $Id$ */
/* unsigned long long division.
* Input:
* unsigned long long n
* unsigned long base
* Output:
* n = n / base;
* return value = n % base;
*/
#define do_div(n, base) \
({ \
unsigned long _res, _high, _mid, _low; \
\
_low = (n) & 0xffffffffUL; \
_high = (n) >> 32; \
if (_high) { \
_mid = (_high % (unsigned long)(base)) << 16; \
_high = _high / (unsigned long)(base); \
_mid += _low >> 16; \
_low &= 0x0000ffffUL; \
_low += (_mid % (unsigned long)(base)) << 16; \
_mid = _mid / (unsigned long)(base); \
_res = _low % (unsigned long)(base); \
_low = _low / (unsigned long)(base); \
n = _low + ((long long)_mid << 16) + \
((long long)_high << 32); \
} else { \
_res = _low % (unsigned long)(base); \
n = (_low / (unsigned long)(base)); \
} \
_res; \
})
#endif /* _ASM_M32R_DIV64 */
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