Each jr and jalr now does the dispatcher's lookup itself, so each has its
own indirect branch, which the CPU predicts much better than the one in
the dispatcher that every one of them shared. Out of downcount or with no
block yet, it goes to the dispatcher as before.
Cycles over 10 emulated seconds: -2.3% in ATV, -1.4% Tekken 6 and Ridge
Racer, -1.2% Daxter, -1.1% Killzone, and -0.3% to -0.8% in the rest.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
