How do you plan to solve it?
module minmax4_task (
input [7:0] v0,
input [7:0] v1,
input [7:0] v2,
input [7:0] v3,
output reg [7:0] min_val,
output reg [7:0] max_val
);
// --------- Provided task (complete the TODOs) ----------
// Returns both min and max among four 8-bit unsigned inputs.
task minmax4;
input [7:0] a, b, c, d;
output [7:0] min_o;
output [7:0] max_o;
reg [7:0] min01, max01;
reg [7:0] min23, max23;
begin
{min01,max01}=(a>b)?{b,a}:{a,b};
{min23,max23}=(c>d)?{d,c}:{c,d};
min_o=(min01>min23)?(min23):(min01);
max_o=(max01>max23)?(max01):(max23);
end
endtask
// -------------------------------------------------------
// TODO: Call the task and assign outputs
reg [7:0] tmin, tmax;
always @* begin
minmax4(v0,v1,v2,v3,min_val,max_val);
end
endmodule