memcpy performance (fnobuiltin)
Joel Sherrill
joel@OARcorp.com
Wed Dec 10 11:41:00 GMT 1997
Here are some of Eric's comments.
--joel
On Wed, 10 Dec 1997, Eric Norum wrote:
> I just got back from invigilating (I love that word) my class's
> final exam. While watching the students madly scratching away I did
> some thinking about the e-mail you sent me about the way newlib
> builds memcpy.
>
> It seems to me that it doesn't make any difference whether or not
> memcpy is compiled with builtins turned off -- what difference does
> it make if memcpy is built into the compiler when you're actually
> compiling the memcpy routine?
>
> I'm about to rebuild the RTEMS GNU tools (gcc in particular) with
> -DTARGET_MEM_FUNCTIONS=1.
>
> ---
> Eric Norum eric@skatter.usask.ca
> Saskatchewan Accelerator Laboratory Phone: (306) 966-6308
> University of Saskatchewan FAX: (306) 966-6058
> Saskatoon, Canada.
>
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