[BACK]Return to div64.h CVS log [TXT][DIR] Up to [Development] / linux-2.4-xfs / include / asm-sh
File: [Development] / linux-2.4-xfs / include / asm-sh / div64.h (download)

Revision 1.1, Wed Dec 31 00:54:49 2003 UTC (13 years, 9 months ago) by cattelan
Branch: MAIN
CVS Tags: HEAD 

Initial Import 2.4.24pre2

#ifndef __ASM_SH_DIV64
#define __ASM_SH_DIV64

extern u64 __xdiv64_32(u64 n, u32 d);

#define do_div(n,base) ({ \
u64 __n = (n), __q; \
u32 __base = (base); \
u32 __res; \
if ((__n >> 32) == 0) { \
	__res = ((unsigned long) __n) % (unsigned) __base; \
	(n) = ((unsigned long) __n) / (unsigned) __base; \
} else { \
	__q = __xdiv64_32(__n, __base); \
	__res = __n - __q * __base; \
	(n) = __q; \
} \
__res; })

#endif /* __ASM_SH_DIV64 */