[Libre-soc-bugs] [Bug 1155] O(n^2) multiplication REMAP mode(s)

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1155

--- Comment #77 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #76)
> (In reply to Jacob Lifshay from comment #75)
> 
> > we don't need another bit for now, 4-bit signed is sufficient for this.
> 
> there's only 3 in svshape4.

ok, doesn't matter for this case since it uses matrix mode to get a constant
with offset -1, not rhombus, triangle, or other modes, so it'll use svshape not
svshape4.

SVSHAPE3 = SVSHAPE(0)
SVSHAPE3.order = (0, 2, 1)  # so something is non-zero
SVSHAPE3.offset = -1  # FIXME: offset is unsigned

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