[Libre-soc-isa] [Bug 213] SimpleV Standard writeup needed

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Oct 20 02:49:27 BST 2020


--- Comment #81 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #78)

> Yeah, that's true. I had been thinking that the shift operation would just
> be repeated each time new bits were available from their respective sources.
> Scrap that idea.
> > an OoO system MUST track ALL objects regardless of size.
> I was never advocating for not tracking all objects, just some of the
> objects are different kinds of objects and we should treat them differently.

yehyeh, i get it: it was that difference, trying to think through "how would
this proposed idea work as far as DMs go", it's really difficult.

> A demo datapath:
> https://libre-soc.org/3d_gpu/int_regs_as_masks.dia.png
> https://libre-soc.org/3d_gpu/int_regs_as_masks.dia.svg

ah brilliant.  will take a look tomorrow.

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