[LLVMdev] New 8bit micro controller back-end

David Greene dag at cray.com
Tue Nov 24 11:25:50 PST 2009


On Tuesday 24 November 2009 10:57, Anton Korobeynikov wrote:

> If it is just 'normal' RISCy architecture and one should not care
> about ABI weirdness (this is usually true for MCUs), then the estimate
> is correct. You just provide patterns for all the operations, expand
> everything unsupported. After that you need to write bunch of libcalls
> and first version is ready :)

Which is straightforward once you know what you're doing.  Before that
point, however, it's very non-trivial.  Basically I'm saying our documentation
needs a lot of work.  :)

                               -Dave



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