33 lines
464 B
Coq
33 lines
464 B
Coq
|
module test_1(
|
||
|
|
input [7:0] a, b, c,
|
||
|
|
input s, x,
|
||
|
|
output [7:0] y1, y2
|
||
|
|
);
|
||
|
|
wire [7:0] t1, t2;
|
||
|
|
assign t1 = s ? a*b : 0, t2 = !s ? b*c : 0;
|
||
|
|
assign y1 = x ? t2 : t1, y2 = x ? t1 : t2;
|
||
|
|
endmodule
|
||
|
|
|
||
|
|
|
||
|
|
module test_2(
|
||
|
|
input s,
|
||
|
|
input [7:0] a, b, c,
|
||
|
|
output reg [7:0] y
|
||
|
|
);
|
||
|
|
always @* begin
|
||
|
|
y <= 'bx;
|
||
|
|
if (s) begin
|
||
|
|
if (a * b > 8)
|
||
|
|
y <= b / c;
|
||
|
|
else
|
||
|
|
y <= c / b;
|
||
|
|
end else begin
|
||
|
|
if (b * c > 8)
|
||
|
|
y <= a / b;
|
||
|
|
else
|
||
|
|
y <= b / a;
|
||
|
|
end
|
||
|
|
end
|
||
|
|
endmodule
|
||
|
|
|