adder16.v

design compile synthesis user guide

module Adder16 (ain, bin, cin, sout, cout, clk);
/* Sixteen Bit Adder Module */
output [15:0] sout;
output cout;
input [15:0] ain, bin;
input cin, clk;
 
wire [15:0] sout_tmp, ain, bin;
wire cout_tmp;
reg [15:0] sout, ain_tmp, bin_tmp;
reg cout, cin_tmp;
 
always @(posedge clk) begin
   cout = cout_tmp;
   sout = sout_tmp;
   ain_tmp = ain;
   bin_tmp = bin;
   cin_tmp = cin;
end
   assign {cout_tmp,sout_tmp} = ain_tmp + bin_tmp + cin_tmp;
endmodule