fpsetround.c revision 1.1 
1/*	$NetBSD: fpsetround.c,v 1.1 1998/09/11 04:56:25 eeh Exp $	*/
2
3/*
4 * Written by J.T. Conklin, Apr 10, 1995
5 * Public domain.
6 */
7
8#include <ieeefp.h>
9
10fp_rnd
11fpsetround(rnd_dir)
12	fp_rnd rnd_dir;
13{
14	fp_rnd old;
15	fp_rnd new;
16
17	__asm__("st %%fsr,%0" : "=m" (*&old));
18
19	new = old;
20	new &= ~(0x03 << 30);
21	new |= ((rnd_dir & 0x03) << 30);
22
23	__asm__("ld %0,%%fsr" : : "m" (*&new));
24
25	return (old >> 30) & 0x03;
26}
27