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      1  1.2  uebayasi /*	$NetBSD: fpgetprec.S,v 1.2 2014/05/22 15:01:56 uebayasi Exp $	*/
      2  1.1  christos 
      3  1.1  christos /*
      4  1.1  christos  * Written by J.T. Conklin, Apr 4, 1995
      5  1.1  christos  * Public domain.
      6  1.1  christos  */
      7  1.1  christos 
      8  1.1  christos #include <machine/asm.h>
      9  1.1  christos 
     10  1.1  christos /*
     11  1.1  christos  * XXX store only x87 state. If an application only uses the fp*
     12  1.1  christos  * interface, this should be in sync with the SSE mxcsr register.
     13  1.1  christos  */
     14  1.1  christos 
     15  1.1  christos #ifdef WEAK_ALIAS
     16  1.1  christos WEAK_ALIAS(fpgetprec, _fpgetprec)
     17  1.1  christos ENTRY(_fpgetprec)
     18  1.1  christos #else
     19  1.1  christos ENTRY(fpgetprec)
     20  1.1  christos #endif
     21  1.1  christos 	fnstcw -4(%rsp)
     22  1.1  christos 	movl -4(%rsp),%eax
     23  1.1  christos 	rorl $8,%eax
     24  1.1  christos 	andl $3,%eax
     25  1.1  christos 	ret
     26  1.2  uebayasi #ifdef WEAK_ALIAS
     27  1.2  uebayasi END(_fpgetprec)
     28  1.2  uebayasi #else
     29  1.2  uebayasi END(fpgetprec)
     30  1.2  uebayasi #endif
     31