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Re: [HELP] [PORT] sparc vs sparc5 vs ultrasparc?



"Marcelo E. Magallon" <mmagallo@debian.org> writes:

> On Sun, Dec 26, 2004 at 01:54:10AM -0500, James A. Morrison wrote:
> 
>  > "Marcelo E. Magallon" <mmagallo@debian.org> writes:
>  > >  ultrasparc:
>  > > 
>  > > CC = gcc
>  > > CXX = g++
>  > > CFLAGS = -mv8 -mtune=ultrasparc ... # the rest is the same as sparc
>  > 
>  >  These should be fine for Sarge on SPARC.  v8 is the default
>  >  instruction set for Sarge and tuning for ultrasparc isn't such a bad
>  >  thing.
> 
>  Thanks.  What does "default instruction set" mean?  I *am* providing a
>  library compiled with only -O2.  What I'm looking for here is to
>  provide an optimized library *too*.  From my understanding this can
>  make a significant difference on Sparc.  Should I use -mv9 for that?
> 
>  Marcelo

 -mcpu=ultrasparc would be good for the optimized libraries.

-- 
Thanks,
Jim

http://www.student.cs.uwaterloo.ca/~ja2morri/
http://phython.blogspot.com
http://open.nit.ca/wiki/?page=jim



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