diff --git a/Core/MIPS/ARM64/Arm64IRCompBranch.cpp b/Core/MIPS/ARM64/Arm64IRCompBranch.cpp
index c7bb4ae110..223bb4e61a 100644
--- a/Core/MIPS/ARM64/Arm64IRCompBranch.cpp
+++ b/Core/MIPS/ARM64/Arm64IRCompBranch.cpp
@@ -51,7 +51,23 @@ void Arm64JitBackend::CompIR_Exit(IRInst inst) {
 		exitReg = regs_.MapGPR(inst.src1);
 		FlushAll();
 		MOV(SCRATCH1, exitReg);
-		B(dispatcherPCInSCRATCH1_);
+		// The dispatcher's lookup, here: each of these then has its own indirect branch, which the
+		// CPU predicts far better than one shared by every jr. Anything unusual goes the long way.
+		MovToPC(SCRATCH1);
+		{
+			// Out of the downcount, or no block yet: the dispatcher, with the PC stored.
+			FixupBranch inTime = TBZ(DOWNCOUNTREG, 31);
+			B(hooks_.dispatcher);
+			SetJumpTarget(inTime);
+			ANDI2R(SCRATCH1, SCRATCH1, Memory::BLOCK_SHADOW_ENTRY_MASK);
+			MOVP2R(SCRATCH2_64, Memory::blockShadow);
+			LDR(SCRATCH1, SCRATCH2_64, SCRATCH1_64);
+			FixupBranch found = CBNZ(SCRATCH1);
+			B(dispatcherNoCheck_);
+			SetJumpTarget(found);
+			ADD(SCRATCH1_64, JITBASEREG, SCRATCH1_64);
+			BR(SCRATCH1_64);
+		}
 		break;
 
 	case IROp::ExitToPC:
diff --git a/Core/MIPS/ARM64/Arm64IRJit.cpp b/Core/MIPS/ARM64/Arm64IRJit.cpp
index 471010b0d9..772f067829 100644
--- a/Core/MIPS/ARM64/Arm64IRJit.cpp
+++ b/Core/MIPS/ARM64/Arm64IRJit.cpp
@@ -75,8 +75,19 @@ bool Arm64JitBackend::CompileBlock(IRBlockCache *irBlockCache, int block_num) {
 	// An accurate dot product can flush several registers around its call.
 	size_t sizeEstimate = 0;
 	const IRInst *estimateInsts = irBlockCache->GetBlockInstructionPtr(*block);
-	for (int i = 0; i < block->GetNumIRInstructions(); ++i)
-		sizeEstimate += estimateInsts[i].op == IROp::Vec4VfpuDot || estimateInsts[i].op == IROp::Vec4VfpuMultiDot ? 96 : 32;
+	for (int i = 0; i < block->GetNumIRInstructions(); ++i) {
+		switch (estimateInsts[i].op) {
+		case IROp::Vec4VfpuDot:
+		case IROp::Vec4VfpuMultiDot:
+		// The jump to a register looks up the block itself.
+		case IROp::ExitToReg:
+			sizeEstimate += 96;
+			break;
+		default:
+			sizeEstimate += 32;
+			break;
+		}
+	}
 	BeginWrite(std::min(GetSpaceLeft(), sizeEstimate));
 
 	u32 startPC = block->GetOriginalStart();