changed a constructor of '__vec16_i8' for it to be alike 'ispc_knc_backend.h''s
added several memory functions for i8
changed '__vec16_i64 __load(const __vec16_i64 *p)' to be like in 'ispc_knc_backend.h'
changed '__vec16_i1 __equal_i64(const __vec16_i64 &a, const __vec16_i6_i64 &b, __vec16_i1 mask)' function to be like in 'ispc_knc_backend.h'