[Bug] Shikigami no Shiro II (Japan) [T47702M V1.002] - The game is slow during gameplay (excessive writes to MMUCR.TI)

[Immersion95]

Description

During gameplay, the fps can't maintain 60 fps even at native res.

The log spams this message :

warning(sh4_jit): JIT cache full: Resetting.

deecy.log

OS

Windows

Deecy Version

855f5a8

Additional context (optional)

AMD 8600G - The GDI version was tested, not the CHD.

[Senryoku]

I use writes to MMUCR.TI (TLB invalidation) as a hint that the game might need a JIT cache reset (assuming it has a good reason to invalidate the instruction cache).
This game seems to over do it. A workaround is enabling Hash block invalidation:
Debug Menu > SH4 JIT > Block Invalidation > Hash