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/* $OpenBSD: fpsetmask.c,v 1.2 2003/01/07 22:01:29 miod Exp $ */
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
* Porting to m88k by Nivas Madhur.
*/
#include <ieeefp.h>
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: fpsetmask.c,v 1.2 2003/01/07 22:01:29 miod Exp $";
#endif /* LIBC_SCCS and not lint */
fp_except
fpsetmask(mask)
fp_except mask;
{
fp_except old;
fp_except new;
__asm__ volatile("fldcr %0,fcr63" : "=r" (old));
new = old;
new &= ~0x1f; /* clear bottom 5 bits and */
new |= (mask & 0x1f); /* set them to mask */
__asm__ volatile("fstcr %0,fcr63" : : "r" (new));
return (old & 0x1f);
}
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