M0 constants segment, deref, and value vs pointer registers

[Jimmy Zhuo]

> Hey,
 
> I just wanted to pass along a note that my m0 branch:
> https://github.com/nbrown/parrot/tree/m0-c-double-deref is currently
> passing all m0 tests in the repository using my double deref approach
> discussed below.
> 
> I'm going to continue working on cleaning up the code and getting
> closer to the spec, but I thought other people might like to see it.
 
> -Nate

 

I'm not a expert, so I may be wrong. Here is my thought:

1. If double deref must be used here, then we should modify M0 spec to avoid
it.

2. I don't like type conversion(casting) everywhere either, I think we can
avoid it through the other way too.

 

And we really need more eyes and more love on M0 spec and M0 implementation.

 

Regards,

Jimmy Zhuo

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