We also try to combine triplets of insns A, B and C when C has
a link back to B and B has a link back to A. Likewise for a
small number of quadruplets of insns A, B, C and D for which
- there's high likelihood of of success.
+ there's high likelihood of success.
LOG_LINKS does not have links for use of the CC0. They don't
need to, because the insn that sets the CC0 is always immediately