[Libre-soc-bugs] [Bug 413] DIV "trial" blocks are too large

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Jul 2 20:13:36 BST 2020


--- Comment #2 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
jacob can you please investigate this as high priority, with some urgency.

it could be as simple as not having so many Const << Const shifts
and instead actually computing them.  also where the shifts are
constant, using sig[N:] instead.

however that seems unlikely given that just running "proc trial3"
and "opt trial3" followed by "show trial3" shows that it does
pretty much exactly that conversion.

we need to find out what's going on, here, and get the size of DIV
down by a factor of 10.

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