__m64

Metadatacopy
union __m64 {
    unsigned __int64 m64_u64;/* 0x0  8 */
    float m64_f32[2];/* 0x0  8 */
    char m64_i8[8];/* 0x0  8 */
    short m64_i16[4];/* 0x0  8 */
    int m64_i32[2];/* 0x0  8 */
    __int64 m64_i64;/* 0x0  8 */
    unsigned char m64_u8[8];/* 0x0  8 */
    unsigned short m64_u16[4];/* 0x0  8 */
    unsigned m64_u32[8];/* 0x0  8 */
};