fpgetsticky.c revision 1.4 
11.4Sperry/*	$NetBSD: fpgetsticky.c,v 1.4 2005/12/24 21:42:32 perry Exp $	*/
21.1Schs
31.1Schs/*	$OpenBSD: fpgetsticky.c,v 1.3 2002/10/21 18:41:05 mickey Exp $	*/
41.1Schs
51.1Schs/*
61.1Schs * Written by Miodrag Vallat.  Public domain
71.1Schs */
81.1Schs
91.2Slukem#include <sys/cdefs.h>
101.2Slukem#if defined(LIBC_SCCS) && !defined(lint)
111.4Sperry__RCSID("$NetBSD: fpgetsticky.c,v 1.4 2005/12/24 21:42:32 perry Exp $");
121.2Slukem#endif /* LIBC_SCCS and not lint */
131.2Slukem
141.1Schs#include <sys/types.h>
151.1Schs#include <ieeefp.h>
161.1Schs
171.1Schsfp_except
181.1Schsfpgetsticky(void)
191.1Schs{
201.1Schs	uint64_t fpsr;
211.1Schs
221.4Sperry	__asm volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr));
231.1Schs	return ((fpsr >> 59) & 0x1f);
241.1Schs}
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