Register Conventions and Calling Discipline: Pitfalls and Red Flags

Pitfalls and red flags

Pitfalls and Red Flags for Register Conventions and Calling Discipline is anchored on Function-call overhead (instructions per call), spill/reload rate, and ABI conformance pass rate in integration tests.. Convert observations into mechanism-backed decisions with explicit ownership.

• Tuning knobs without proving first failing mechanism.

• Ignoring privilege, trap, and memory-protection side effects.

• Mixing extension profiles across benchmark runs.

• Shipping on one benchmark uplift without stress replay.