blob: 635eef3417158461881fe8f0448dd3a4a43e4202 [file]
/*
* Copyright (C) 2020 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
*/
`ifndef DSP_COMB
`define DSP_COMB
(* whitebox *)
module DSP_COMBINATIONAL (
a, b, m,
out
);
localparam DATA_WIDTH = 4;
input wire [DATA_WIDTH/2-1:0] a;
input wire [DATA_WIDTH/2-1:0] b;
input wire m;
(* DELAY_CONST_a="30e-12" *)
(* DELAY_CONST_b="30e-12" *)
(* DELAY_CONST_m="10e-12" *)
output wire [DATA_WIDTH-1:0] out;
// Full adder combinational logic
assign out = m ? a * b : a / b;
endmodule
`endif