Cross Reference: /src/lib/libc/arch/x86_64/gen/fpsetsticky.S

fpsetsticky.S revision 1.1

      1 /*	$NetBSD: fpsetsticky.S,v 1.1 2001/06/19 00:25:03 fvdl Exp $	*/
      2 
      3 /*
      4  * Written by Charles M. Hannum, Apr 9, 1995
      5  * Public domain.
      6  */
      7 
      8 #include <machine/asm.h>
      9 
     10 ENTRY(fpsetsticky)
     11 	fnstenv -28(%rsp)
     12 	movl -24(%rsp),%eax
     13 	movl %eax,%edx
     14 
     15 	andl $63,%eax
     16 
     17 	subl %eax,%edx
     18 	andl $63,%edi
     19 	addl %edi,%edx
     20 	movl %edx,-24(%rsp)
     21 	fldenv -28(%rsp)
     22 	ret
     23