NetBSD/lib/libm/arch/i387/s_log1p.S
fvdl 8ecba6c681 Modify the i387 code so that it can be shared between the i386 port
and the x86_64 port. XXX some files should be distinct.
2001-06-19 00:26:29 +00:00

27 lines
445 B
ArmAsm

/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
#include <machine/asm.h>
#include "abi.h"
RCSID("$NetBSD: s_log1p.S,v 1.9 2001/06/19 00:26:30 fvdl Exp $")
/*
* Since the fyl2xp1 instruction has such a limited range:
* -(1 - (sqrt(2) / 2)) <= x <= sqrt(2) - 1
* it's not worth trying to use it.
*/
ENTRY(log1p)
XMM_ONE_ARG_DOUBLE_PROLOGUE
fldln2
fldl ARG_DOUBLE_ONE
fld1
faddp
fyl2x
XMM_DOUBLE_EPILOGUE
ret