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From: Brian Drummond <brian3@shapes.demon.co.uk>
Subject: Re: Cross-toolchain for DS [was: Newcomers to comp.lang.ada:
 welcome and how did you end up here ?]
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Date: 2014-10-15T09:58:54+00:00
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On Sun, 12 Oct 2014 10:56:07 +0000, Natasha Kerensikova wrote:

> Hello,
> 
> 
> On the other hand, how wide is the availability of
> LLVM-to-embedded-target back-end? It's not much of a progress if C and
> Ada are equal at "limited to desktop targets" point.

I believe LLVM has narrower coverage than gcc, but still quite 
reasonable. The MSP430 backend is news to me! 

Of course the mere existence of a backend doesn't necessarily mean it'll 
work seamlessly with less mainstream front ends (but probably more 
seamlessly than in gcc).

> The reason why I'm asking, is I'm stilling working on updating gela and
> building on it a RTS-limited LLVM-based Ada 95 compiler seems realistic
> (albeit far away down the road).

How is that coming along?

For me, Gela built successfully, and I started to look at connecting it 
to an intermediate representation which already has translators to gcc 
and experimentally, LLVM (and more, specifically a JIT targetting x86, 
which would make a very lightweight compiler). 

But got no further, so far. The existing translator from a semanticised 
tree into this IR would serve as a pattern, but it's quite a large chunk 
of code...

- Brian