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fpgetsticky.c revision 1.6
      1  1.6   martin /*	$NetBSD: fpgetsticky.c,v 1.6 2012/03/17 21:35:06 martin 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  1.6   martin __RCSID("$NetBSD: fpgetsticky.c,v 1.6 2012/03/17 21:35:06 martin 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  1.1      eeh fpgetsticky()
     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