[Libre-soc-bugs] [Bug 980] Implement C-based Power ISA pseudocode compiler

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=980

--- Comment #7 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Dmitry Selyutin from comment #6)

> Luke, I agree with you it's both doable and can be kept, but we have to
> establish the criteria, otherwise we'll put it under risk.

yes. i recommend a compatible drop-in replacement for PowerDecoder.
(power_decoder.py) which is easier because the existing unit tests
can be used (like, all of them: TestIssuer as well as ISACaller).

this means a cffi interface to return PowerOp instances.

do not attempt to rewrite PowerOp, it is too fundamental.
a replacement class that does the exact same job, and is used
*only* by the new c-based decoder: not a problem.

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