OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libm/] [machine/] [i386/] [f_logf.S] - Rev 1773

Go to most recent revision | Compare with Previous | Blame | View Log

/*
 * ==================================================== 
 * 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_logf (float x);

Function calculates the log base e of x.
There is no error checking or setting of errno. 
*/

        #include "i386mach.h"

        .global SYM (_f_logf)
       SOTYPE_FUNCTION(_f_logf)

SYM (_f_logf):
        pushl ebp
        movl esp,ebp

        fld1
        fldl2e
        fdivrp
        flds 8(ebp)
        fyl2x

        leave
        ret

#endif

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.