xref: /openbsd-src/lib/libm/arch/amd64/e_scalb.S (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1/*	$OpenBSD: e_scalb.S,v 1.4 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
11ENTRY(scalb)
12	XMM_TWO_ARG_DOUBLE_PROLOGUE
13	fldl	ARG_DOUBLE_TWO
14	fldl	ARG_DOUBLE_ONE
15	fscale
16	fstp	%st(1)			/* bug fix for fp stack overflow */
17	XMM_DOUBLE_EPILOGUE
18	ret
19END_NONSTD(scalb)
20