1/* $OpenBSD: s_logb.S,v 1.3 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(logb) 12 XMM_ONE_ARG_DOUBLE_PROLOGUE 13 fldl ARG_DOUBLE_ONE 14 fxtract 15 fstp %st 16 XMM_DOUBLE_EPILOGUE 17 ret 18END_STD(logb) 19