Major

Reorder buffer
TLB?
"If a matching entry is found in the btb, fetching begins immediately at the predicted pc"

Minor

In the case of inner function calls, push $ra to a RAM stack
Test jal
Stack management? https://marz.utk.edu/my-courses/cosc230/book/example-risc-v-assembly-programs/ => reverse a string => stack
CU: graph analysis