[Libre-soc-bugs] [Bug 550] binutils support needed for svp64

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Mon Dec 21 21:50:27 GMT 2020


https://bugs.libre-soc.org/show_bug.cgi?id=550

--- Comment #3 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
i've added a rapid prototype "Assembly Annotation" to the appendix,
and also updated the "Prefix Fields".

unnnforttunately, i just realised that, actually, working out which
of the "Remapped Encodings" to apply, will need to be a per-instruction
basis, for everything but MASK_KIND, MASK, ELWIDTH, SUBVL and MODE.
these are always in the same place: everything else (EXTRAs, ELWIDTH_SRC,
MASK_SRC) critically depends on what instruction is used.

we can "get away with this" by specifying the mode-type as part of the
svp64 encoding... for now.

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