Home | History | Annotate | Line # | Download | only in gen
      1 /*	$NetBSD: fpgetmask.c,v 1.5 2012/03/23 09:34:09 skrll Exp $	*/
      2 
      3 /*	$OpenBSD: fpgetmask.c,v 1.3 2002/10/21 18:41:05 mickey Exp $	*/
      4 
      5 /*
      6  * Written by Miodrag Vallat.  Public domain
      7  */
      8 
      9 #include <sys/cdefs.h>
     10 #if defined(LIBC_SCCS) && !defined(lint)
     11 __RCSID("$NetBSD: fpgetmask.c,v 1.5 2012/03/23 09:34:09 skrll Exp $");
     12 #endif /* LIBC_SCCS and not lint */
     13 
     14 #include <sys/types.h>
     15 #include <ieeefp.h>
     16 
     17 fp_except
     18 fpgetmask(void)
     19 {
     20 	uint64_t fpsr;
     21 
     22 	__asm volatile("fstd %%fr0,0(%1)" : "=m" (fpsr) : "r" (&fpsr));
     23 	return ((fp_except)(fpsr >> 32) & 0x1f);
     24 }
     25