root/lib/libc/arch/i386/gen/fpsetsticky.S
/* $OpenBSD: fpsetsticky.S,v 1.3 2005/08/07 11:30:38 espie Exp $ */
/*
 * Written by Charles M. Hannum, Apr 9, 1995
 * Public domain.
 */

#include <machine/asm.h>

ENTRY(fpsetsticky)
        subl $28,%esp

        fnstenv (%esp)
        movl 4(%esp),%eax
        movl %eax,%edx

        andl $63,%eax

        subl %eax,%edx
        movl 32(%esp),%ecx
        andl $63,%ecx
        addl %ecx,%edx
        movl %edx,4(%esp)
        fldenv (%esp)

        addl $28,%esp
        ret