1. ALU CompUnit needs to recognise that RA (src1) can be zero
<https://bugs.libre-soc.org/show_bug.cgi?id=336>
- Status: not started
+ Status: in progress
2. Something about the above (5), being optional.
<https://bugs.libre-soc.org/show_bug.cgi?id=336#c5>
- Status: not started
+ Status: in progress
3. Code-morph LDSTCompUnit to use RecordObject structure, like CompUnitALU
<https://bugs.libre-soc.org/show_bug.cgi?id=318#c18>