/*      $OpenBSD: fpsetround.c,v 1.2 2005/08/07 16:40:15 espie Exp $ */
/*
 * Written by J.T. Conklin, Apr 11, 1995
 * Public domain.
 */

#include <ieeefp.h>

fp_rnd
fpsetround(rnd_dir)
        fp_rnd rnd_dir;
{
        fp_rnd old;
        fp_rnd new;

        __asm__("cfc1 %0,$31" : "=r" (old));

        new = old;
        new &= ~0x03;
        new |= (rnd_dir & 0x03);

        __asm__("ctc1 %0,$31" : : "r" (new));

        return old & 0x03;
}