kolibrios/programs/develop/libraries/newlib/math/f_tanf.S
Sergey Semyonov (Serge) 9ebd703865 newlib: new libm code
git-svn-id: svn://kolibrios.org@3362 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-03-11 18:13:25 +00:00

39 lines
772 B
ArmAsm

/*
* ====================================================
* Copyright (C) 1998, 2002 by Red Hat Inc. 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 tanf using Intel float instructions.
float _f_tanf (float x);
Function calculates the tangent of x.
There is no error checking or setting of errno.
*/
#include "i386mach.h"
.global SYM (_f_tanf)
SOTYPE_FUNCTION(_f_tanf)
SYM (_f_tanf):
pushl ebp
movl esp,ebp
flds 8(ebp)
fptan
ffree %st(0)
fincstp
leave
ret
#endif