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/* $OpenBSD: fpsetmask.c,v 1.3 2005/08/07 16:40:15 espie Exp $ */
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#include <ieeefp.h>
fp_except
fpsetmask(mask)
fp_except mask;
{
fp_except old;
fp_except new;
__asm__("st %%fsr,%0" : "=m" (*&old));
new = old;
new &= ~(0x1f << 23);
new |= ((mask & 0x1f) << 23);
__asm__("ld %0,%%fsr" : : "m" (*&new));
return (old >> 23) & 0x1f;
}
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