// prio_enc_v2.sv — refactored: compact loop
module prio_enc_v2 (
  input  logic [7:0] req,
  output logic [2:0] idx,
  output logic       any
);
  always_comb begin
    idx = 3'd0;
    for (int i = 7; i >= 0; i--)      // last match wins -> lowest index
      if (req[i]) idx = 3'(i);
  end
  assign any = |req;
endmodule