The "when to branch mask" used by specializations ofCOMPARE_OP takes 4 bits, the comparison operator take 3 bits.
Since the mask can be computed at compile time, it should be stored in the oparg along with the comparison operator.
This would free up a cache entry.

Linked PRs

• GH-100923: Embed jump mask inCOMPARE_OP oparg #100924