[pypy-dev] PPC backend design questions

[Sven Hager]

On 08/11/2011 09:42 PM, David Edelsohn wrote:
> Attached is a new patch that corrects the PPC fields.
>
> The only simple way I can think of handling the 64 bit immediate shift
> field is by adding a keyword argument to Field to ignore overlap.
> Expressing the details of the field splitting will be complicated and
> doesn't seem worth it.
>
> Is there a preference for the current patch that explicitly performs
> the conversion or a new argument to ignore overlap?
>
> Thanks, David
Hello David,

I think it is okay to add an attribute to class Field which
explicitly allows overlapping bits. It is very easy to adapt
the existing code in form.py to this.

I will add your changes tomorrow.

Best regards,
Sven