[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 #19 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
the branch-range one?
yyeah... i wonder, if it would work to do a sequence of cmps (and cmprbs),
every one of the tests in each case statement, then transfer them into
INTs (crweirds), do a 1-bit 2-bit 3-bit and 4-bit shift on them, then
use ANDs ORs and BMASKs to perform a parallel bitlevel version of that
switch statement? (no branches at all)

what would be insane is that by doing sv.ANDs, sv.ors and sv.bmasks
you could, with say 8-way multi-issue, be doing the equivalent of
64x8 switch statements all simultaneously.

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