// DESCRIPTION: Verilator: Verilog Test module
//
// This mode performs signed number computations in the case of a particular
// interface definition.
//
// This file ONLY is placed under the Creative Commons Public Domain.
// SPDX-FileCopyrightText: 2022 Raynard Qiao
// SPDX-License-Identifier: CC0-1.0

// issure 3294
module t (
    input clk
);

  reg [7:0] in0;
  reg [7:0] in1;
  reg [15:0] out;
  initial begin
    in0 = 'h2;
    in1 = 'hff;
  end
  Test test (
      .in0,
      .in1,
      .out
  );

  always @(posedge clk) begin
`ifdef TEST_VERBOSE
    $display("[%0t] clk @ out 'h%0x, expect value='hfffe", $time, out);
`endif
    if (out !== 'hfffe) $stop;
    $write("*-* All Finished *-*\n");
    $finish;
  end

endmodule


module Test (
    in0,
    in1,
    out
);
  input [7:0] in0;
  input [7:0] in1;
  output [15:0] out;
  wire signed [7:0] in1;
  wire signed [7:0] in0;
  wire signed [15:0] out;

  assign out = $signed({1'b0, in0}) * in1;  // this operator should be  signed multiplication
endmodule