cvs commit: src/lib/msun/i387 e_atan2.S e_atan2f.S s_atan.S

Maxim Sobolev sobomax at
Tue Feb 22 12:26:51 GMT 2005

David Schultz wrote:
> das         2005-02-21 16:04:23 UTC
>   FreeBSD src repository
>   Modified files:
>     lib/msun/i387 
>   Removed files:
>     lib/msun/i387        e_atan2.S e_atan2f.S s_atan.S 
>   Log:
>   Remove the i387 versions of atan(), atan2(), and atan2f().
>   They are slower than the MI routines on modern hardware,
>   except for degenerate cases such as the Pentium 4.

Well, it is worth probably nothing that 70-80% of machines running 
FreeBSD today fall into that degenerate case. How much slower MI ws MD 
on p4?


More information about the cvs-src mailing list