Subversion Repositories fwrisc

/****************************************************************************

 * fwrisc_comparator.sv

 *

 * Copyright 2018 Matthew Ballance

 *

 * Licensed under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in

 * compliance with the License.  You may obtain a copy of

 * the License at

 *

 * http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in

 * writing, software distributed under the License is

 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR

 * CONDITIONS OF ANY KIND, either express or implied.  See

 * the License for the specific language governing

 * permissions and limitations under the License.

 ****************************************************************************/

`include "fwrisc_defines.vh"

/**

 * Module: fwrisc_comparator

 *

 * TODO: Add module documentation

 */

module fwrisc_comparator(

                input                   clock,

                input                   reset,

                input[31:0]             in_a,

                input[31:0]             in_b,

                input[1:0]              op,

                output reg              out

                );

        always @* begin

                case (op)

                        `COMPARE_EQ: out = (in_a == in_b);

                        `COMPARE_LT: out = ($signed(in_a) < $signed(in_b));

                        default: /*COMPARE_LTU:*/ out = (in_a < in_b);

                endcase

        end

endmodule