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      1 /*	$NetBSD: fpgetmask.S,v 1.4 2014/05/22 15:01:56 uebayasi 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 only read x87 control word here. If an application only
     12  * uses the fp* interface to manipulate FP bits, it should
     13  * always remain in sync with the SSE mxcsr register.
     14  */
     15 
     16 #ifdef WEAK_ALIAS
     17 WEAK_ALIAS(fpgetmask, _fpgetmask)
     18 ENTRY(_fpgetmask)
     19 #else
     20 ENTRY(fpgetmask)
     21 #endif
     22 	fnstcw -4(%rsp)
     23 	movl -4(%rsp),%eax
     24 	notl %eax
     25 	andl $63,%eax
     26 	ret
     27 #ifdef WEAK_ALIAS
     28 END(_fpgetmask)
     29 #else
     30 END(fpgetmask)
     31 #endif
     32