udivdi3.c

来自「Linux Kernel 2.6.9 for OMAP1710」· C语言 代码 · 共 17 行

/*
 * Simple __udivdi3 function which doesn't use FPU.
 */

#include <linux/types.h>

extern u64 __xdiv64_32(u64 n, u32 d);
extern void panic(const char * fmt, ...);

u64 __udivdi3(u64 n, u64 d)
{
	if (d & ~0xffffffff)
		panic("Need true 64-bit/64-bit division");
	return __xdiv64_32(n, (u32)d);
}