Use u128 on Clock Cycles calculation.

src/common/uint128.h

@@ -1,30 +1,13 @@
 #include <array>
 #include <cstdint>
-#include <utility>
 #include <cstring>
+#include <utility>
 #include "common/common_types.h"
 
 namespace Common {
 
-#ifdef _MSC_VER
-#include <intrin.h>
+u128 Multiply64Into128(u64 a, u64 b);
 
-#pragma intrinsic(_umul128)
-#endif
-
-inline u128 umul128(u64 a, u64 b) {
-#ifdef _MSC_VER
-u128 result;
-result[0] = _umul128(a, b, &result[1]);
-#else
-unsigned __int128 tmp = a;
-tmp *= b;
-u128 result;
-std::memcpy(&result, &tmp, sizeof(u128));
-#endif
-return result;
-}
-
-std::pair<u64, u64> udiv128(u128 dividend, u64 divisor);
+std::pair<u64, u64> Divide128On64(u128 dividend, u64 divisor);
 
 } // namespace Common