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TFF extraction #114

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ArcaneNibble opened this issue Aug 21, 2017 · 0 comments
Open

TFF extraction #114

ArcaneNibble opened this issue Aug 21, 2017 · 0 comments

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@ArcaneNibble
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Putting some notes here to not clog up the issue on the yosys repo:

<azonenberg> and i think short term, have TFFs be like shregs
<azonenberg> magic cells that can be extracted but only are used as intermediates before techmapping or further high level synth passes

A big problem with this is that you lose the ability to use dfflibmap and end up having to handle all of the permutations manually. As an alternative to adding new cell types to the yosys core, maybe dfflibmap can be enhanced to handle these TFFs?

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