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

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Mon Jan 31 20:38:14 GMT 2022


--- Comment #94 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Dmitry Selyutin from comment #93)
> Updated sv_binutils with the way I _think_ we should consider `INSN.`
> versions. In the current revision, I check for `rc is RC.RC`;

yeah looks reasonable.  there's a couple of ways it could be used:

1) to do the detection in python (similar to ISACaller) and actually
   add a duplicate entry "add." (and when you get to OE, "addo" and
   then "addo." as well)

2) pass the information over to gas through the svp64_struct and
   use just the one entry

now, i would not recommend (2) even though (1) will result in more
entries (with duplicate information in effect) because the size of
the svp64_struct could go up to beyond 64-bit if putting more and
more info in it.

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