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 = (a<b) ? a : b;
max01 = (a<b) ? b : a;
min23 = (c<d) ? c : d;
max23 = (c<d) ? d : c;
min_o = (min01<min23) ? min01 : min23 ;
max_o = (max01<max23) ? max23 : max01 ;
end
endtask
reg [7:0] tmin, tmax;
always @* begin
minmax4(v0,v1,v2,v3,tmin,tmax);
assign min_val = tmin;
assign max_val = tmax;
end
endmodule