https://git.libre-soc.org/?p=ieee754fpu.git;a=blob;f=src/ieee754/part/partsig.py;h=8818e185156a25391b94a45198f4163e8e606b8d;hb=HEAD#l297 DynamicPartitionedShift needs a code cleanup. the rightshift parameter should not go into a mux, it should be a straight python "if"