[Haskell-cafe] Re: Haskell on ARM (was Re: ANN: Topkata)

[Simon Marlow]

Joe Buehler wrote:
> Simon Marlow wrote:
> 
>> For the registerised port, you really need a native code generator 
>> (the mangler is on death row, yay).  At a rough guess, I'd say porting 
>> the NCG would take a couple of weeks or so for someone unfamiliar with 
>> the code. Hopefully we'll improve that when we refactor the NCG as 
>> part of the backend overhaul.
> 
> Is there any documentation on the NCG?  I ported 6.6 to HPUX 11 some 
> time ago
> and looked at the NCG but didn't do it for PA-RISC because it was going 
> to take too
> much time to understand.  I was leaning towards the approach of trying 
> to translate
> the code generator for another processor into PA-RISC.

There's some old documentation, some of it is still relevant but probably 
much of it is out of date now:

http://darcs.haskell.org/ghc/docs/comm/the-beast/ncg.html

the best doc is the code, I'm afraid (but it has lot of illuminating 
comments and you can get a long way with cut-and-paste).

Cheers,
	Simon