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/* $NetBSD: fpsetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetsticky.c,v 1.5 2005/12/24 23:10:08 perry Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#include <ieeefp.h>
#ifdef __weak_alias
__weak_alias(fpsetsticky,_fpsetsticky)
#endif
fp_except
fpsetsticky(sticky)
fp_except sticky;
{
fp_except old;
fp_except new;
__asm("cfc1 %0,$31" : "=r" (old));
new = old;
new &= ~(0x1f << 2);
new |= ((sticky & 0x1f) << 2);
__asm("ctc1 %0,$31" : : "r" (new));
return (old >> 2) & 0x1f;
}
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