linux/arch/sh/lib/div64-generic.c

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/*
* Generic __div64_32 wrapper for __xdiv64_32.
*/
#include <linux/types.h>
#include <asm/div64.h>
extern uint64_t __xdiv64_32(u64 n, u32 d);
uint32_t __div64_32(u64 *xp, u32 y)
{
uint32_t rem;
uint64_t q = __xdiv64_32(*xp, y);
rem = *xp - q * y;
*xp = q;
return rem;
}