root/lib/libc/arch/sparc64/gen/fpsetsticky.c
/*      $OpenBSD: fpsetsticky.c,v 1.2 2026/07/11 15:54:36 tb Exp $      */

/*
 * Written by J.T. Conklin, Apr 10, 1995
 * Public domain.
 */

#include <ieeefp.h>

fp_except
fpsetsticky(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;
}