whitequark 1719aa88ac Extract ice40_unlut pass from ice40_opt. ...

Currently, `ice40_opt -unlut` would map SB_LUT4 to $lut and convert
them back to logic immediately. This is not desirable if the goal
is to operate on $lut cells. If this is desirable, the same result
as `ice40_opt -unlut` can be achieved by running simplemap and opt
after ice40_unlut.

2018-12-05 16:30:24 +00:00

5.6 KiB

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