/* $OpenBSD: fpsetmask.c,v 1.1 2001/08/29 01:34:56 art Exp $ */ /* * Written by J.T. Conklin, Apr 10, 1995 * Public domain. */ #include 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; }