Home | History | Annotate | Line # | Download | only in gen
      1  1.7  christos /*	$NetBSD: fpgetsticky.c,v 1.7 2012/06/24 15:26:02 christos Exp $	*/
      2  1.1       eeh 
      3  1.1       eeh /*
      4  1.1       eeh  * Written by J.T. Conklin, Apr 10, 1995
      5  1.1       eeh  * Public domain.
      6  1.1       eeh  */
      7  1.1       eeh 
      8  1.2   thorpej #include <sys/cdefs.h>
      9  1.3     lukem #if defined(LIBC_SCCS) && !defined(lint)
     10  1.7  christos __RCSID("$NetBSD: fpgetsticky.c,v 1.7 2012/06/24 15:26:02 christos Exp $");
     11  1.3     lukem #endif /* LIBC_SCCS and not lint */
     12  1.2   thorpej 
     13  1.2   thorpej #include "namespace.h"
     14  1.2   thorpej 
     15  1.6    martin #include <sys/types.h>
     16  1.1       eeh #include <ieeefp.h>
     17  1.2   thorpej 
     18  1.2   thorpej #ifdef __weak_alias
     19  1.2   thorpej __weak_alias(fpgetsticky,_fpgetsticky)
     20  1.2   thorpej #endif
     21  1.1       eeh 
     22  1.5    martin #ifdef EXCEPTIONS_WITH_SOFTFLOAT
     23  1.5    martin extern fp_except _softfloat_float_exception_flags;
     24  1.5    martin #endif
     25  1.5    martin 
     26  1.1       eeh fp_except
     27  1.7  christos fpgetsticky(void)
     28  1.1       eeh {
     29  1.6    martin 	uint32_t x;
     30  1.5    martin 	fp_except res;
     31  1.1       eeh 
     32  1.4     perry 	__asm("st %%fsr,%0" : "=m" (*&x));
     33  1.5    martin 	res = (x >> 5) & 0x1f;
     34  1.5    martin 
     35  1.5    martin #ifdef EXCEPTIONS_WITH_SOFTFLOAT
     36  1.5    martin 	res |= _softfloat_float_exception_flags;
     37  1.5    martin #endif
     38  1.5    martin 
     39  1.5    martin 	return res;
     40  1.1       eeh }
     41