newlib-cygwin/newlib/libc/machine/i386/f_log10f.S

41 lines
735 B
ArmAsm

/*
* ====================================================
* Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
*
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if !defined(_SOFT_FLOAT)
/*
Fast version of logf using Intel float instructions.
float _f_log10f (float x);
Function calculates the log base 10 of x.
There is no error checking or setting of errno.
*/
#include "i386mach.h"
.global SYM (_f_log10f)
SOTYPE_FUNCTION(_f_log10f)
SYM (_f_log10f):
pushl ebp
movl esp,ebp
fld1
fldl2t
fdivrp
flds 8(ebp)
fyl2x
leave
ret
#endif