Select distinct and 2 inner joins in same select statement

Question

can anyone guide me how to write the below query for higher performance. can I use for all entires or shall i split this,
please let me know your opinions.
SELECT DISTINCT werks matnr b~stlal idnrk postp d~aennr
   sortf potx1 c~lkenz b~stlty stlst
   INTO TABLE ltab_one
   FROM mast AS a INNER JOIN stko AS b
     ON  a~stlnr = b~stlnr
     AND a~stlal = b~stlal
     INNER JOIN stas AS c
     ON  b~stlnr = c~stlnr
     AND b~stlal = c~stlal
     AND b~stlty = c~stlty
     INNER JOIN stpo AS d
     ON  c~stlnr = d~stlnr
     AND c~stlkn = d~stlkn
     AND c~stlty = d~stlty
  WHERE a~werks IN s_werks
     AND ( ( d~andat IN s_datum
        OR d~aedat IN s_datum
        OR a~andat IN s_datum
        OR a~aedat IN s_datum
        OR b~andat IN s_datum
        OR b~aedat IN s_datum
        OR c~andat IN s_datum
        OR c~aedat IN s_datum
        ) AND d~datuv >= lv_effdt )
     AND a~stlan = '1'
     AND matnr IN s_matnr.

Answer 1

  WHERE a~werks IN s_werks
     AND ( ( d~andat IN s_datum
        OR d~aedat IN s_datum
        OR a~andat IN s_datum
        OR a~aedat IN s_datum
        OR b~andat IN s_datum
        OR b~aedat IN s_datum
        OR c~andat IN s_datum
        OR c~aedat IN s_datum
        ) AND d~datuv >= lv_effdt )
     AND a~stlan = '1'
     AND matnr IN s_matnr.
This part determines your performance, not the DISTINCT and not the joins.
What is in s_werks, s-datum, s_matnr typically? I guess there are better and worse conditions.