expr.c (move_by_pieces): Set alignment for move to minimum of MOVE_MAX_PIECES mode alignment and the...

        * expr.c (move_by_pieces): Set alignment for move to minimum of
        MOVE_MAX_PIECES mode alignment and the largest non-slow mode
        alignment, but not less than the original alignment.
        (move_by_pieces_ninsns): Same.
        (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
        (store_by_pieces_1): Same.

From-SVN: r85875