mirror of https://github.com/YosysHQ/yosys.git
29 lines
687 B
Systemverilog
29 lines
687 B
Systemverilog
|
module pass_through(
|
||
|
input [63:0] inp,
|
||
|
output [63:0] out
|
||
|
);
|
||
|
assign out = inp;
|
||
|
endmodule
|
||
|
|
||
|
module top;
|
||
|
logic [63:0] s0c, s1c, sxc, s0d, s1d, sxd, d;
|
||
|
|
||
|
pass_through pt(8, d);
|
||
|
|
||
|
assign s0c = '0 << 8;
|
||
|
assign s1c = '1 << 8;
|
||
|
assign sxc = 'x << 8;
|
||
|
assign s0d = '0 << d;
|
||
|
assign s1d = '1 << d;
|
||
|
assign sxd = 'x << d;
|
||
|
|
||
|
always @* begin
|
||
|
assert (s0c === 64'h0000_0000_0000_0000);
|
||
|
assert (s1c === 64'hFFFF_FFFF_FFFF_FF00);
|
||
|
assert (sxc === 64'hxxxx_xxxx_xxxx_xx00);
|
||
|
assert (s0d === 64'h0000_0000_0000_0000);
|
||
|
assert (s1d === 64'hFFFF_FFFF_FFFF_FF00);
|
||
|
assert (sxd === 64'hxxxx_xxxx_xxxx_xx00);
|
||
|
end
|
||
|
endmodule
|