lib/libc/arch/sparc/gen/fpgetround.c

   1 /*      $NetBSD: fpgetround.c,v 1.6 2012/03/21 00:38:34 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: fpgetround.c,v 1.6 2012/03/21 00:38:34 christos Exp $");
  11 #endif /* LIBC_SCCS and not lint */
  12
  13 #include "namespace.h"
  14
  15 #include <ieeefp.h>
  16
  17 #ifdef __weak_alias
  18 __weak_alias(fpgetround,_fpgetround)
  19 #endif
  20
  21 fp_rnd
  22 fpgetround(void)
  23 {
  24         unsigned int x;
  25
  26         __asm("st %%fsr,%0" : "=m" (*&x));
  27         return (x >> 30) & 0x03;
  28 }