[Libre-soc-bugs] [Bug 238] POWER Compressed Formal Standard writeup

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=238

--- Comment #155 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #152)

> In the example decoder code I wrote and in the compressed encoding demo:
> Standard-for-1-then-Compressed Mode has priority over the swap to compressed
> bit. I think that option is better for consistency (since
> standard-then-compressed can be thought of as an override) though best is
> probably trapping on mismatch.

bit of crossover here with comment #153, can you review the reasoning and see
if there are other (better) scenarios / instruction sequences?

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