fpgetsticky.c revision 1.3 
1/*	$NetBSD: fpgetsticky.c,v 1.3 2005/12/24 21:41:01 perry Exp $	*/
2
3/*	$OpenBSD: fpgetsticky.c,v 1.3 2002/10/21 18:41:05 mickey Exp $	*/
4
5/*
6 * Written by Miodrag Vallat.  Public domain
7 */
8
9#include <sys/cdefs.h>
10#if defined(LIBC_SCCS) && !defined(lint)
11__RCSID("$NetBSD: fpgetsticky.c,v 1.3 2005/12/24 21:41:01 perry Exp $");
12#endif /* LIBC_SCCS and not lint */
13
14#include <sys/types.h>
15#include <ieeefp.h>
16
17fp_except
18fpgetsticky(void)
19{
20	uint64_t fpsr;
21
22	__asm __volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr));
23	return ((fpsr >> 59) & 0x1f);
24}
25