ql-qlf-plugin/pp3/lut_map.v

// Copyright (C) 2020-2021  The SymbiFlow Authors.
//
// Use of this source code is governed by a ISC-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/ISC
//
// SPDX-License-Identifier:ISC

module \$lut (
    A,
    Y
);
  parameter WIDTH = 0;
  parameter LUT = 0;

  input [WIDTH-1:0] A;
  output Y;

  generate
    if (WIDTH == 1) begin
      LUT1 #(
          .EQN (""),
          .INIT(LUT)
      ) _TECHMAP_REPLACE_ (
          .O (Y),
          .I0(A[0])
      );
    end else if (WIDTH == 2) begin
      LUT2 #(
          .EQN (""),
          .INIT(LUT)
      ) _TECHMAP_REPLACE_ (
          .O (Y),
          .I0(A[0]),
          .I1(A[1])
      );
    end else if (WIDTH == 3) begin
      LUT3 #(
          .EQN (""),
          .INIT(LUT)
      ) _TECHMAP_REPLACE_ (
          .O (Y),
          .I0(A[0]),
          .I1(A[1]),
          .I2(A[2])
      );
    end else if (WIDTH == 4) begin
      LUT4 #(
          .EQN (""),
          .INIT(LUT)
      ) _TECHMAP_REPLACE_ (
          .O (Y),
          .I0(A[0]),
          .I1(A[1]),
          .I2(A[2]),
          .I3(A[3])
      );
    end else begin
      wire _TECHMAP_FAIL_ = 1;
    end
  endgenerate
endmodule