tests/simple/signedexpr.v

   1 module signed_test01(a, b, xu, xs, yu, ys, zu, zs);
   2
   3 input signed [1:0] a;
   4 input signed [2:0] b;
   5 output [3:0] xu, xs;
   6 output [3:0] yu, ys;
   7 output zu, zs;
   8
   9 assign xu = (a + b) + 3'd0;
  10 assign xs = (a + b) + 3'sd0;
  11
  12 assign yu = {a + b} + 3'd0;
  13 assign ys = {a + b} + 3'sd0;
  14
  15 assign zu = a + b != 3'd0;
  16 assign zs = a + b != 3'sd0;
  17
  18 endmodule