xref: /openbsd-src/lib/libm/arch/amd64/s_scalbnf.S (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1/*	$OpenBSD: s_scalbnf.S,v 1.5 2016/09/12 19:47:01 guenther Exp $ */
2/*
3 * Written by J.T. Conklin <jtc@NetBSD.org>.
4 * Public domain.
5 */
6
7#include <machine/asm.h>
8
9#include "abi.h"
10
11.global ldexpf
12	ldexpf = scalbnf
13
14ENTRY(scalbnf)
15	movss	%xmm0,-8(%rsp)
16	movl	%edi,-4(%rsp)
17	fildl	-4(%rsp)
18	flds	-8(%rsp)
19	fscale
20	fstp	%st(1)		/* bug fix for fp stack overflow */
21	fstps	-8(%rsp)
22	movss	-8(%rsp),%xmm0
23	ret
24END_STD(scalbnf)
25