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/* $NetBSD: fpsetsticky.c,v 1.6 2013/10/18 02:19:12 mrg Exp $ */
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetsticky.c,v 1.6 2013/10/18 02:19:12 mrg Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpsetsticky,_fpsetsticky)
#endif
fp_except
fpsetsticky(fp_except sticky)
{
fp_except old;
fp_except new;
__asm("st %%fsr,%0" : "=m" (*&old));
new = old;
new &= ~(0x1f << 5);
new |= ((sticky & 0x1f) << 5);
__asm("ld %0,%%fsr" : : "m" (*&new));
return (old >> 5) & 0x1f;
}
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