diff --git a/src/dynarmic/backend/arm64/abi.h b/src/dynarmic/backend/arm64/abi.h
index 56dc2569..86d6cef3 100644
--- a/src/dynarmic/backend/arm64/abi.h
+++ b/src/dynarmic/backend/arm64/abi.h
@@ -15,4 +15,26 @@ constexpr oaknut::XReg Xhalt{27};
 constexpr oaknut::XReg Xscratch0{16}, Xscratch1{17};
 constexpr oaknut::WReg Wscratch0{16}, Wscratch1{17};
 
+template<size_t bitsize>
+constexpr auto Rscratch0() {
+    if constexpr (bitsize == 32) {
+        return Wscratch0;
+    } else if constexpr (bitsize == 64) {
+        return Xscratch0;
+    } else {
+        static_assert(bitsize == 32 || bitsize == 64);
+    }
+}
+
+template<size_t bitsize>
+constexpr auto Rscratch1() {
+    if constexpr (bitsize == 32) {
+        return Wscratch1;
+    } else if constexpr (bitsize == 64) {
+        return Xscratch1;
+    } else {
+        static_assert(bitsize == 32 || bitsize == 64);
+    }
+}
+
 }  // namespace Dynarmic::Backend::Arm64