NetBSD/lib/libc/arch/powerpc/gen/flt_rounds.c

/*	$NetBSD: flt_rounds.c,v 1.4 1999/07/07 01:53:38 danw Exp $	*/

#include <float.h>

static const int map[] = {
	1,	/* round to nearest */
	0,	/* round to zero */
	2,	/* round to positive infinity */
	3	/* round to negative infinity */
};

int
__flt_rounds()
{
	double tmp;
	int x;

	__asm__ __volatile("mffs %0; stfiwx %0,0,%1" : "=f"(tmp): "b"(&x));
	return map[x & 0x03];
}