sv2v/test/core/decl_scope.v

71 lines
2.2 KiB
Verilog

module top;
wire t;
initial $display("A t %0d", 1);
initial $display("A top.t %0d", 1);
generate
if (1) begin : X
wire [1:0] t;
initial $display("B t %0d", 2);
initial $display("B top.t %0d", 1);
initial $display("B X.t %0d", 2);
initial $display("B top.X.t %0d", 2);
if (1) begin : Y
wire [2:0] t;
initial $display("C t %0d", 3);
initial $display("C top.t %0d", 1);
initial $display("C X.t %0d", 2);
initial $display("C top.X.t %0d", 2);
initial $display("C Y.t %0d", 3);
initial $display("C X.Y.t %0d", 3);
initial $display("C top.X.Y.t %0d", 3);
end
end
genvar i;
for (i = 0; i < 3; i = i + 1) begin : Z
wire [i:0] t;
end
endgenerate
initial $display("A t %0d", 1);
initial $display("A top.t %0d", 1);
initial $display("A X.t %0d", 2);
initial $display("A top.X.t %0d", 2);
initial $display("A X.Y.t %0d", 3);
initial $display("A top.X.Y.t %0d", 3);
initial $display("A top.Z[0].t %0d", 1);
initial $display("A Z[0].t %0d", 1);
initial $display("A Z[1].t %0d", 2);
initial $display("A Z[2].t %0d", 3);
wire x;
initial begin : name
reg [1:0] x;
reg [5:0] y;
$display("size of x = %0d", $bits(x));
$display("size of y = %0d", $bits(y));
end
wire [11:0] arr;
generate
if (1) begin : M
wire [19:0] arr;
initial $display("M arr[0] = %b", arr[4:0]);
initial $display("M M.arr[0] = %b", M.arr[4:0]);
initial $display("M top.arr[0] = %b", top.arr[3:0]);
end
endgenerate
initial $display("arr[0] = %b", arr[3:0]);
initial $display("M.arr[0] = %b", M.arr[4:0]);
initial $display("top.arr[0] = %b", top.arr[3:0]);
localparam [0:5] arr2 = 6'b011100;
generate
genvar j;
for (i = 0 ; i < 2 ; i = i + 1) begin
for (j = 0 ; j < 3 ; j = j + 1) begin
localparam value = arr2[i * 3 + j];
initial $display("%0d %0d %0d", i, j, value);
end
end
endgenerate
endmodule