Split BEType.h to util/v128.hpp and util/to_endian.hpp

rpcs3/util/to_endian.hpp

@@ -0,0 +1,78 @@
+#pragma once
+
+#include "util/types.hpp"
+#include "util/endian.hpp"
+
+union v128;
+
+// Type converter: converts native endianness arithmetic/enum types to appropriate se_t<> type
+template <typename T, bool Se, typename = void>
+struct to_se
+{
+	template <typename T2, typename = void>
+	struct to_se_
+	{
+		using type = T2;
+	};
+
+	template <typename T2>
+	struct to_se_<T2, std::enable_if_t<std::is_arithmetic<T2>::value || std::is_enum<T2>::value>>
+	{
+		using type = std::conditional_t<(sizeof(T2) > 1), se_t<T2, Se>, T2>;
+	};
+
+	// Convert arithmetic and enum types
+	using type = typename to_se_<T>::type;
+};
+
+template <bool Se>
+struct to_se<v128, Se>
+{
+	using type = se_t<v128, Se, 16>;
+};
+
+template <bool Se>
+struct to_se<u128, Se>
+{
+	using type = se_t<u128, Se>;
+};
+
+template <bool Se>
+struct to_se<s128, Se>
+{
+	using type = se_t<s128, Se>;
+};
+
+template <typename T, bool Se>
+struct to_se<const T, Se, std::enable_if_t<!std::is_array<T>::value>>
+{
+	// Move const qualifier
+	using type = const typename to_se<T, Se>::type;
+};
+
+template <typename T, bool Se>
+struct to_se<volatile T, Se, std::enable_if_t<!std::is_array<T>::value && !std::is_const<T>::value>>
+{
+	// Move volatile qualifier
+	using type = volatile typename to_se<T, Se>::type;
+};
+
+template <typename T, bool Se>
+struct to_se<T[], Se>
+{
+	// Move array qualifier
+	using type = typename to_se<T, Se>::type[];
+};
+
+template <typename T, bool Se, std::size_t N>
+struct to_se<T[N], Se>
+{
+	// Move array qualifier
+	using type = typename to_se<T, Se>::type[N];
+};
+
+// BE/LE aliases for to_se<>
+template <typename T>
+using to_be_t = typename to_se<T, std::endian::little == std::endian::native>::type;
+template <typename T>
+using to_le_t = typename to_se<T, std::endian::big == std::endian::native>::type;