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/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: fpsetround.c,v 1.2 1996/08/19 08:17:33 tholo Exp $";
#endif /* LIBC_SCCS and not lint */
#include <ieeefp.h>
fp_rnd
fpsetround(rnd_dir)
fp_rnd rnd_dir;
{
fp_rnd old;
fp_rnd new;
__asm__("st %%fsr,%0" : "=m" (*&old));
new = old;
new &= ~(0x03 << 30);
new |= ((rnd_dir & 0x03) << 30);
__asm__("ld %0,%%fsr" : : "m" (*&new));
return (old >> 30) & 0x03;
}
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