Haichen Shen

We currently have `SHL`, `SHR`, `SDIV`, and `SMOD` WIP.

@bschorchit Curious if you have any update on the blocking work?

cc @kilic @han0110

Another alternative solution is that we include the selector column in the lookup argument such that we only look up into the rows with the selector set to 1.

> > Another alternative solution is that we include the selector column in the lookup argument such that we only look up into the rows with the selector set to...