xref: /dragonfly/contrib/openbsd_libm/arch/amd64/s_ilogbf.S (revision a27bb01fb90c87959b0c0dfacf7dd85d1308a35f) 
1/*        $OpenBSD: s_ilogbf.S,v 1.3 2009/04/08 22:30:41 martynas Exp $ */
2/*
3 * Written by J.T. Conklin <jtc@NetBSD.org>.
4 * Public domain.
5 */
6
7#include <machine/asm.h>
8
9ENTRY(ilogbf)
10          movss     %xmm0,-4(%rsp)
11          flds      -4(%rsp)
12          fxtract
13          fstp      %st
14          fistpl    -4(%rsp)
15          movl      -4(%rsp),%eax
16          ret
17END(ilogbf)
18
19          .section .note.GNU-stack,"",%progbits
20