[Libre-soc-isa] [Bug 794] SVP64 REMAP for utf8

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=794

--- Comment #5 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #2)

> also:
> https://github.com/simd-lite/simd-json

https://github.com/simd-lite/simd-json/blob/main/src/neon/deser.rs

i can't even begin to comprehend what that is doing :)

whereas the c code from comment #0 is both dead simple,
well documented, and serial in nature.

it is the serial nature which makes mapping it straight
to SVP64 so easy, the comments are a bonus.

pretty ironic, huh? you'd think "oh yeah it's fast with NEON
therefore it MUST contain useful inspiration", right?  turns
out this instinct is dead wrong, every single time. sigh.

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