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/* $NetBSD: fpsetsticky.c,v 1.9 2014/09/17 11:02:55 joerg Exp $ */
/*
* Written by J.T. Conklin, Apr 11, 1995
* Public domain.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetsticky.c,v 1.9 2014/09/17 11:02:55 joerg 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(".set push; .set noat; cfc1 %0,$31; .set pop" : "=r" (old));
new = old & ~(0x1f << 2);
new |= (sticky & 0x1f) << 2;
__asm(".set push; .set noat; ctc1 %0,$31; .set pop" : "=r" (new));
return (old >> 2) & 0x1f;
}
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