* loop.c (NUM_STORES): Delete.
        (loop_store_mems): Turn into an EXPR_LIST of MEMs.
        (prescan_loop): Properly initialize loop_mems_idx.
        (note_addr_stored): Simplify using list structure instead of
        fixed sized array.
        (invariant_p, check_dbra_loop, load_mems): Similarly.

From-SVN: r24782