[MLton] cvs commit: C types now distinguish between signed and unsigned words

[Matthew Fluet]

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> > sweeks      04/09/06 17:46:20
> >
> >   Log:
> >   MAIL C types now distinguish between signed and unsigned words
> >
> >   This distinction is necessary because on some platforms the calling
> >   convention for signeds and unsigneds is different.  This can happen
> >   when a small word (e.g. 8 bit) is represented in a larger word
> >   (e.g. 32 bit), in which case the signed version will be passed sign
> >   extended and the unsigned version will be passed zero extended.
>
> I don't believe that this modification had the intended effect.  In
> particular, while we correctly distinguish between signed and unsigned
> words for primitives, we do not do so for _import-ed functions.

Could someone on a PPC please run this test with mlton-20041109?  Thanks.

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