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/* $NetBSD: fpsetround.c,v 1.7 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: fpsetround.c,v 1.7 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(fpsetround,_fpsetround)
#endif
fp_rnd
fpsetround(fp_rnd rnd_dir)
{
fp_rnd old;
fp_rnd new;
__asm(".set push; .set noat; cfc1 %0,$31; .set pop" : "=r" (old));
new = old & ~0x03;
new |= rnd_dir & 0x03;
__asm(".set push; .set noat; ctc1 %0,$31; .set pop" : "=r" (new));
return old & 0x03;
}
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