[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 #29 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
 194         # set bit 0x80 (TwoContinuations) if input is >= 0xF0
 195         f"sv.subi/satu *80, *45, {0xF0 - 0x80}",

saturation isn't implemented yet, use minu/maxu with a
constant scalar RB=0.
https://libre-soc.org/openpower/isa/av/

hm, thought just occurred to me, would (RB|0) be useful
in mins/maxs?

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