Fix system time wraparound

Implement utils::udiv128, utils::div128

Utilities/asm.h

@@ -174,6 +174,32 @@ namespace utils
 		return (x * y) >> 64;
 	}
 
+	constexpr s64 div128(s64 high, s64 low, s64 divisor, s64* remainder = nullptr)
+	{
+		const __int128_t x = (__uint128_t{u64(high)} << 64) | u64(low);
+		const __int128_t r = x / divisor;
+
+		if (remainder)
+		{
+			*remainder = x % divisor;
+		}
+
+		return r;
+	}
+
+	constexpr u64 udiv128(u64 high, u64 low, u64 divisor, u64* remainder = nullptr)
+	{
+		const __uint128_t x = (__uint128_t{high} << 64) | low;
+		const __uint128_t r = x / divisor;
+
+		if (remainder)
+		{
+			*remainder = x % divisor;
+		}
+
+		return r;
+	}
+
 #elif defined(_MSC_VER)
 	inline u8 rol8(u8 x, u8 n)
 	{
@@ -224,5 +250,31 @@ namespace utils
 	{
 		return __mulh(x, y);
 	}
+
+	inline s64 div128(s64 high, s64 low, s64 divisor, s64* remainder = nullptr)
+	{
+		s64 rem;
+		s64 r = _div128(high, low, divisor, &rem);
+
+		if (remainder)
+		{
+			*remainder = rem;
+		}
+
+		return r;
+	}
+
+	inline u64 udiv128(u64 high, u64 low, u64 divisor, u64* remainder = nullptr)
+	{
+		u64 rem;
+		u64 r = _udiv128(high, low, divisor, &rem);
+
+		if (remainder)
+		{
+			*remainder = rem;
+		}
+
+		return r;
+	}
 #endif
 } // namespace utils