memcpy performance

[Joel Sherrill]

On Tue, 9 Dec 1997, Jeffrey A Law wrote:

> 
>   In message <199712091644.IAA20455@cygint.cygnus.com>you write:
>   > An RTEMS user has noticed that the performance of the RTEMS message
>   > queue routines is bound by our use of newlib's memcpy routine.  The
>   > current implementation uses a byte-by-byte copy.  
>   > 
>   > What would it take to get a better generic implementation?  Is there one
>   > laying around which could be used instead?  I remember the old GNU/960
>   > version did some alignment and then copied 16-bytes at a time. 
> Already done :-)
> 
> Tue Oct  7 14:01:29 1997 Bill Moyer     (billm@cygnus.com)
>                          Jeffrey A Law  (law@cygnus.com)
> 
>         * libc/string/{memchr.c, memcmp.c, memcpy.c}: Reimplement to run faster.
>         * libc/string/{memset.c, strcat.c, strchr.c}: Likewise.
>         * libc/string/{strcmp.c, strcpy.c, strlen.c}: Likewise.
>         * libc/string/{strncat.c, strncmp.c, strncpy.c}: Likewise.

Great!!!  Please feel free to change the RTEMS configuration to prefer
speed over size. :)

--joel