xref: /openbsd/lib/libm/arch/amd64/s_significand.S (revision 771fbea0)
1/*	$OpenBSD: s_significand.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(significand)
12	RETGUARD_SETUP(significand, r11)
13	XMM_ONE_ARG_DOUBLE_PROLOGUE
14	fldl	ARG_DOUBLE_ONE
15	fxtract
16	fstp	%st(1)
17	XMM_DOUBLE_EPILOGUE
18	RETGUARD_CHECK(significand, r11)
19	ret
20END(significand)
21	.weak	significand
22