lib/libc/arch/sparc64/gen/fpgetmask.c

   1 /*      $NetBSD: fpgetmask.c,v 1.6 2012/06/24 15:26:02 christos Exp $   */
   2
   3 /*
   4  * Written by J.T. Conklin, Apr 10, 1995
   5  * Public domain.
   6  */
   7
   8 #include <sys/cdefs.h>
   9 #if defined(LIBC_SCCS) && !defined(lint)
  10 __RCSID("$NetBSD: fpgetmask.c,v 1.6 2012/06/24 15:26:02 christos Exp $");
  11 #endif /* LIBC_SCCS and not lint */
  12
  13 #include "namespace.h"
  14
  15 #include <sys/types.h>
  16 #include <ieeefp.h>
  17
  18 #ifdef __weak_alias
  19 __weak_alias(fpgetmask,_fpgetmask)
  20 #endif
  21
  22 fp_except
  23 fpgetmask(void)
  24 {
  25         uint32_t x;
  26
  27         __asm("st %%fsr,%0" : "=m" (*&x));
  28         return (x >> 23) & 0x1f;
  29 }