If anyone is interested in adder taxonomy and why one might select one architecture over another in VLSI I can highly recommend this slide deck.
https://pages.hmc.edu/harris/cmosvlsi/4e/lect/lect17.pdf
In particular slides 36 and 37
https://pages.hmc.edu/harris/cmosvlsi/4e/lect/lect17.pdf
In particular slides 36 and 37