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fpgetround.S revision 1.4
      1 /*	$NetBSD: fpgetround.S,v 1.4 2011/09/30 17:42:34 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 load 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(fpgetround, _fpgetround)
     17 ENTRY(_fpgetround)
     18 #else
     19 ENTRY(fpgetround)
     20 #endif
     21 	fnstcw -4(%rsp)
     22 	movl -4(%rsp), %eax
     23 	andl $0x00000c00, %eax
     24 	ret
     25