[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 #30 from cand at gmx.com ---
> because it's not just specifying order, you can have swizzles that duplicate 
> some input elements and skip other elements.

I know. That's what the 4 bits are for. If the 4 bits happen to be 0110, aka
the used values are yz, then you use the lookup table for yz's orderings. The
size of the lookup table may not be exactly 24 for cases where less than four
elements are present.

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