Merge pull request #2999 from Sonicadvance1/AArch64_test_fix

[AArch64] Fix Test&Branch to relative location instructions.

Source/Core/Common/Arm64Emitter.cpp

@@ -477,7 +477,7 @@ void ARM64XEmitter::EncodeTestBranchInst(u32 op, ARM64Reg Rt, u8 bits, const voi
 
 	Rt = DecodeReg(Rt);
 	Write32((b64Bit << 31) | (0x36 << 24) | (op << 24) | \
-	        (bits << 19) | (distance << 5) | Rt);
+	        (bits << 19) | (((u32)distance << 5) & 0x7FFE0) | Rt);
 }
 
 void ARM64XEmitter::EncodeUnconditionalBranchInst(u32 op, const void* ptr)