tests/simple/forloops.v

   1 module forloops01 (input clk, a, b, output reg [3:0] p, q, x, y);
   2         integer k;
   3         always @(posedge clk) begin
   4                 for (k=0; k<2; k=k+1)
   5                         p[2*k +: 2] = {a, b} ^ {2{k}};
   6                 x <= k + {a, b};
   7         end
   8         always @* begin
   9                 for (k=0; k<4; k=k+1)
  10                         q[k] = {~a, ~b, a, b} >> k[1:0];
  11                 y = k - {a, b};
  12         end
  13 endmodule
  14
  15 module forloops02 (input clk, a, b, output reg [3:0] q, x, output [3:0] y);
  16         integer k;
  17         always @* begin
  18                 for (k=0; k<4; k=k+1)
  19                         q[k] = {~a, ~b, a, b} >> k[1:0];
  20         end
  21         always @* begin
  22                 x = k + {a, b};
  23         end
  24         assign y = k - {a, b};
  25 endmodule