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Re: MPC 850

From: Jay Monkman <jtm at smoothsmoothie dot com>
To: Dan Kegel <dank at kegel dot com>
Cc: PhaniKumar <phanikumar at cbit dot ac dot in>, crossgcc at sources dot redhat dot com
Date: Fri, 12 Dec 2003 11:59:05 -0600
Subject: Re: MPC 850
References: <Pine.LNX.4.53.0312121501280.7243@cbit.ac.in> <3FD9F6EE.9040003@kegel.com>

On Fri, Dec 12, 2003 at 09:12:14AM -0800, Dan Kegel wrote:
> PhaniKumar wrote:
> >WE are working on a project related to MPC-850 and we need to build up the
> >gcc as a cross compiler on a 686 host  might be with uclibc.We started
> >with crosstool.We found it great but we were not able to sort whether both
> >PPC-750 and PPC-850 are the same.Can someone sort us out this
> 
> I'd like to know, too.  All I know is that ppc850 and ppc860 are
> probably the same from gcc's point of view, and gcc seems to prefer
> the 860 name to the 850 one.

The 860 and 850 are the same as far as GCC knows (they only differ in
peripherals). The 850 and 860 are different than the 750 and 755. They
have slightly different instruction sets, mostly related to caches and
MMUs. And the 8xx CPUs don't have floating point.

Attachment: pgp00000.pgp
Description: PGP signature

References:
- MPC 850
  - From: PhaniKumar
- Re: MPC 850
  - From: Dan Kegel

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