> simonmar 2004/02/20 07:20:25 PST
>
> Modified files: (Branch: backend-hacking-branch)
> ghc/compiler/cmm PprC.hs
> Log:
> Tidyup, remove ToDos that are Done.
>
> Revision Changes Path
> 1.1.2.51 +65 -105 fptools/ghc/compiler/cmm/Attic/PprC.hs
Ok, the C backend now basically works. I've compiled libraries/base and
I'm running tests now.
One important thing isn't done: to generate proper foreign calls in the
C backend we need to know some extra info about the argument and result
types; namely ptr-vs-non-ptr and signed-vs-unsigned. If we don't have
this information, then the C compiler emits warnings because we're
calling functions at the wrong type (although the generated code still
works as long as the C conventions for ptr/non-ptr and signed/unsigned
are the same, which they are on x86).
It shouldn't be hard to add hints to foreign calls, like C--, to fix
this.
And I've just noticed that there are a couple of test failures, so I'm
off to investigate those.
Cheers,
Simon
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