NetBSD/lib/libc/arch/sparc/gen/fpsetsticky.c

27 lines
420 B
C

/* $NetBSD: fpsetsticky.c,v 1.2 1998/01/09 03:15:19 perry Exp $ */
/*
* Written by J.T. Conklin, Apr 10, 1995
* Public domain.
*/
#include <ieeefp.h>
fp_except
fpsetsticky(sticky)
fp_except sticky;
{
fp_except old;
fp_except new;
__asm__("st %%fsr,%0" : "=m" (*&old));
new = old;
new &= ~(0x1f << 5);
new |= ((sticky & 0x1f) << 5);
__asm__("ld %0,%%fsr" : : "m" (*&new));
return (old >> 5) & 0x1f;
}