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

   1 /*      $NetBSD: fpgetsticky.c,v 1.7 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: fpgetsticky.c,v 1.7 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(fpgetsticky,_fpgetsticky)
  20 #endif
  21
  22 #ifdef EXCEPTIONS_WITH_SOFTFLOAT
  23 extern fp_except _softfloat_float_exception_flags;
  24 #endif
  25
  26 fp_except
  27 fpgetsticky(void)
  28 {
  29         uint32_t x;
  30         fp_except res;
  31
  32         __asm("st %%fsr,%0" : "=m" (*&x));
  33         res = (x >> 5) & 0x1f;
  34
  35 #ifdef EXCEPTIONS_WITH_SOFTFLOAT
  36         res |= _softfloat_float_exception_flags;
  37 #endif
  38
  39         return res;
  40 }