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fpgetprec.S revision 1.1 
      1 /*	$NetBSD: fpgetprec.S,v 1.1 2011/03/26 19:51:42 christos Exp $	*/
      2 
      3 /*
      4  * Written by J.T. Conklin, Apr 4, 1995
      5  * Public domain.
      6  */
      7 
      8 #include <machine/asm.h>
      9 
     10 /*
     11  * XXX store only x87 state. If an application only uses the fp*
     12  * interface, this should be in sync with the SSE mxcsr register.
     13  */
     14 
     15 #ifdef WEAK_ALIAS
     16 WEAK_ALIAS(fpgetprec, _fpgetprec)
     17 ENTRY(_fpgetprec)
     18 #else
     19 ENTRY(fpgetprec)
     20 #endif
     21 	fnstcw -4(%rsp)
     22 	movl -4(%rsp),%eax
     23 	rorl $8,%eax
     24 	andl $3,%eax
     25 	ret
     26