[Coco] Retrochallenge -- Micro-C for CoCo

[Gene Heskett]

On Wednesday 31 July 2013 14:42:58 John W. Linville did opine:

> On Wed, Jul 31, 2013 at 11:06:52AM -0600, William Astle wrote:
> > On 2013-07-31 10:57, Luis Antoniosi (CoCoDemus) wrote:
> > >I think John wants a compiler for DECB.
> > >
> > >I have tried the gcc6809 and it made a code for DECB and seemed to
> > >run fine. But gcc is meant for multiple registers processors so the
> > >speed would never be optimal.
> > 
> > gcc6809 actually does a remarkable job when optimization for size is
> > enabled. It could probably do a much better job with some tweaking
> > but that's a harder job than it looks like (I've tried). The biggest
> > problem with the most recent "official" version of gcc6809 is that
> > it does not build properly on a 64 bit linux platform - it has
> > issues related to word size - and porting it forward to a newer
> > version of gcc is not pleasant due to some massive changes to the
> > gcc internals.
> 
> I think the 'chasing the rabbit' issue is a big issue with maintaining
> the gcc6809 code.  The GCC folks aren't particularly sympathetic
> towards non-mainstream architectures in general.  Plus, I can't help
> but think that the assumptions the GCC compiler code makes about the
> target are going to be more in-line with the x86_64 and ARM world
> than they are with the 8-bit world -- YMMV, of course.
> 
> When last I toyed with gcc6809, it was a bit too DIY even for my taste.
> Maybe that is different now?  Dunno.  I don't recall seeing much
> actual CoCo code that claims to be built with gcc6809, FWIW.
> 
> John

I don't recall ever seeing any code built with it.  But I'm an os9 only 
type of guy. :)

Cheers, Gene
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