xref: /openbsd/lib/libm/arch/amd64/e_log10.S (revision 3cab2bb3)
1/*	$OpenBSD: e_log10.S,v 1.5 2018/07/03 22:43:34 mortimer 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(log10)
12	RETGUARD_SETUP(log10, r11)
13	XMM_ONE_ARG_DOUBLE_PROLOGUE
14	fldlg2
15	fldl	ARG_DOUBLE_ONE
16	fyl2x
17	XMM_DOUBLE_EPILOGUE
18	RETGUARD_CHECK(log10, r11)
19	ret
20END(log10)
21