diff --git a/Source/Core/Common/JitRegister.cpp b/Source/Core/Common/JitRegister.cpp
index 7475cb6b85..964a88b214 100644
--- a/Source/Core/Common/JitRegister.cpp
+++ b/Source/Core/Common/JitRegister.cpp
@@ -71,18 +71,15 @@ void Shutdown()
 		s_perf_map_file.Close();
 }
 
-void Register(const void* base_address, u32 code_size,
-	const char* format, ...)
+void RegisterV(const void* base_address, u32 code_size,
+	const char* format, va_list args)
 {
 #if !(defined USE_OPROFILE && USE_OPROFILE) && !defined(USE_VTUNE)
 	if (!s_perf_map_file.IsOpen())
 		return;
 #endif
 
-	va_list args;
-	va_start(args, format);
 	std::string symbol_name = StringFromFormatV(format, args);
-	va_end(args);
 
 #if defined USE_OPROFILE && USE_OPROFILE
 	op_write_native_code(s_agent, symbol_name.data(), (u64)base_address,
diff --git a/Source/Core/Common/JitRegister.h b/Source/Core/Common/JitRegister.h
index 2e9f168fb4..ce63aeace0 100644
--- a/Source/Core/Common/JitRegister.h
+++ b/Source/Core/Common/JitRegister.h
@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #pragma once
+#include <stdarg.h>
 #include "Common/CommonTypes.h"
 
 namespace JitRegister
@@ -10,7 +11,26 @@ namespace JitRegister
 
 void Init();
 void Shutdown();
-void Register(const void* base_address, u32 code_size,
-	const char* format, ...);
+void RegisterV(const void* base_address, u32 code_size,
+	const char* format, va_list args);
+
+inline void Register(const void* base_address, u32 code_size,
+	const char* format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	RegisterV(base_address, code_size, format, args);
+	va_end(args);
+}
+
+inline void Register(const void* start, const void* end,
+	const char* format, ...)
+{
+	va_list args;
+	va_start(args, format);
+	u32 code_size = (u32) ((const char*) end - (const char*) start);
+	RegisterV(start, code_size, format, args);
+	va_end(args);
+}
 
 }
diff --git a/Source/Core/VideoCommon/VertexLoaderX64.cpp b/Source/Core/VideoCommon/VertexLoaderX64.cpp
index 50c46da027..de4ab58cc6 100644
--- a/Source/Core/VideoCommon/VertexLoaderX64.cpp
+++ b/Source/Core/VideoCommon/VertexLoaderX64.cpp
@@ -33,7 +33,7 @@ VertexLoaderX64::VertexLoaderX64(const TVtxDesc& vtx_desc, const VAT& vtx_att):
 
 	std::string name;
 	AppendToString(&name);
-	JitRegister::Register(region, (u32)(GetCodePtr() - region), name.c_str());
+	JitRegister::Register(region, GetCodePtr(), name.c_str());
 }
 
 OpArg VertexLoaderX64::GetVertexAddr(int array, u64 attribute)