From 102c00ce13c6b262b818b8900696aed1435334f8 Mon Sep 17 00:00:00 2001
From: Magnus Norddahl <dpjudas@users.noreply.github.com>
Date: Sun, 16 Sep 2018 22:39:48 +0200
Subject: [PATCH] - implement string part of OP_CASTB

---
 src/scripting/vm/jit.cpp      | 5 -----
 src/scripting/vm/jit_move.cpp | 8 +++++++-
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/scripting/vm/jit.cpp b/src/scripting/vm/jit.cpp
index a419e5bb7e..2ee5f9d5e2 100644
--- a/src/scripting/vm/jit.cpp
+++ b/src/scripting/vm/jit.cpp
@@ -172,11 +172,6 @@ bool JitCompiler::CanJit(VMScriptFunction *sfunc)
 				return false;
 			}
 		}
-		else if (sfunc->Code[i].op == OP_CASTB)
-		{
-			if (C == CASTB_S)
-				return false;
-		}
 		else if (sfunc->Code[i].op == OP_PARAM)
 		{
 			if (!!(B & REGT_MULTIREG3) || !!(B & REGT_MULTIREG2))
diff --git a/src/scripting/vm/jit_move.cpp b/src/scripting/vm/jit_move.cpp
index 00cecf47ac..f93f776384 100644
--- a/src/scripting/vm/jit_move.cpp
+++ b/src/scripting/vm/jit_move.cpp
@@ -147,7 +147,13 @@ void JitCompiler::EmitCASTB()
 	}
 	else
 	{
-		//reg.d[A] = reg.s[B].Len() > 0;
+		using namespace asmjit;
+		typedef int(*FuncPtr)(FString*);
+		auto call = cc.call(ToMemAddress(reinterpret_cast<const void*>(static_cast<FuncPtr>([](FString *s) -> int {
+			return s->Len() > 0;
+		}))), FuncSignature1<int, void*>());
+		call->setRet(0, regD[A]);
+		call->setArg(0, regS[B]);
 	}
 }