[Libre-soc-bugs] [Bug 671] convert spec pseudocode to use XLEN width

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=671

--- Comment #17 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #15)
> yes, exactly!

okaaay, cool.

rrright. well, ngggh the (very basic, initially-just-a-ply-example)
parser was heavily simplified from the original BNF used by python 2
(which would have been what it was based on, back in... 2006).

it therefore looks like unary ops are detected in the comparison
BNF:

https://git.libre-soc.org/?p=openpower-isa.git;a=blob;f=src/openpower/decoder/pseudo/parser.py;h=4f11f6f14c996caf50ddb5a83e99c2a9e1e707c7;hb=HEAD#l638

i have nooo idea if adding "MINUS comparison" to that list would work
or not.

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