/*      $OpenBSD: fpsetround.c,v 1.4 2013/01/05 11:20:55 miod Exp $     */

/*
 * Written by J.T. Conklin, Apr 10, 1995
 * Public domain.
 * Ported to 88k by Nivas Madhur
 */

#include <ieeefp.h>

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

        __asm__ volatile("fldcr %0, %%fcr63" : "=r" (old));

        new = old;
        new &= ~(0x03 << 14);           /* clear old value */
        new |= ((rnd_dir & 0x03) << 14);/* and set new one */

        __asm__ volatile("fstcr %0, %%fcr63" : : "r" (new));

        return (old >> 14) & 0x03;
}