/*      $OpenBSD: fpsetsticky.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_except
fpsetsticky(sticky)
        fp_except sticky;
{
        fp_except old;
        fp_except new;

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

        new = old;
        new &= ~(0x1f << 2); 
        new |= ((sticky & 0x1f) << 2);

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

        return (old >> 2) & 0x1f;
}