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* Do not autoremove ffP aor muxPEddie Hung2019-07-181-2/+0
* Improve pattern matcher to match subsets of $dffe? cellsEddie Hung2019-07-181-2/+8
* Improve A/B reg packingEddie Hung2019-07-181-0/+3
* Do not autoremove A/B registers since they might have other consumersEddie Hung2019-07-181-2/+0
* Pattern matcher to check pool of bits, not exactlyEddie Hung2019-07-171-3/+9
* Signed extensionEddie Hung2019-07-161-2/+2
* Add support {A,B,P}REG packingEddie Hung2019-07-161-26/+42
* Add xilinx_dsp for register packingEddie Hung2019-07-151-0/+120