[Libre-soc-bugs] [Bug 838] sync or at least statically check fields.text, power_decoder, trans/svp64, CSVs between each other

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=838

--- Comment #5 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
see https://bugs.libre-soc.org/show_bug.cgi?id=845#c6
how to identify XO pattern.

TopPowerDecoder is an instance of PowerDecoder which
contains a list member dec containing namedtuples
Subdecoder().

it's a tree-hierarchy in other words and in *theory*
it can be flattened by converting the top-level bit-pattern
to binary and ORing each one with the child's bit-patterns.

note that it is the *parent* that declares the bitsel
and opint of its *children* (opcodes).

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