Re: [C--] C-- development

From my outsider perspective, it appears that C-- is moribund until
someone picks it up again. However, I also think that, rather than
starting from the current C-- code base, it would be better to migrate
the distinctive features of C-- into the LLVM project. Then, if you
like, the C-- syntax could continue to be supported by writing a C--
compiler with an LLVM back end. But you could get the benefits of C--
semantics for your back end without generating C-- syntax, because
those semantics would be part of LLVM. I'm not pretending this would
be easy. But if it could be done, it would be the best way to bring
the innovative ideas in C-- into the mainstream. I'll also note that
the C-- project was originally based on the design of the GHC (Haskell
Compiler) back end, which has an intermediate language called C-- or
Cmm. GHC also supports LLVM as an alternative back end, and I believe
there are people in the GHC community who would gladly abandon the
maintenance of the Cmm backend if LLVM were extended to do everything
that Cmm does.

Doug Moen.

On 13 March 2013 11:49, Hendrik Boom <[email protected]> wrote:
> Has development on C-- ceased?  Or just stalled for a few years?
>
> I notice in there seems to be files in qc--20090627/src with makes
> starting with 'mips' and 'alpha' and 'ia64'.  Does this imply that these
> architecures are actually supported?  Or are they still under development
> and stalled along with the rest of the system.
>
> Is  IA64 the Itanium?  Or is it what Debian calls AMD64, the 64-bit
> extension to Intel's traditional 32-bit archtecture?
>
> Is there other source code for C-- lying around somewhere that isn't in
> the destributed package?
>
> If I were to want to use it on, say, an ARM machine, would I have to do
> it myself?
>
> Would it be better to continue on from qc--, or better to start from
> scratch?  Are there lessons to be learned from the qc-- experience I'd
> better find out about before I even think of  doing this (and maybe think
> better of it and find another worthy project?)
>
> -- hendrik
>
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