blob: 32cdce4bc93edf0bb4e7f7a6fc40c3905e704a39 [file] [log] [blame]
module top
(
input x,
input y,
input cin,
output reg A,
output cout
);
parameter X = 1;
wire o;
`ifndef BUG
always @(posedge cin)
A <= o;
assign cout = cin? y : x;
middle u_mid (.x(x),.o(o),.y(1'b0));
u_rtl inst_u_rtl (.x(x),.o(o));
`else
assign {cout,A} = cin - y * x;
`endif
endmodule
module middle
(
input x,
input y,
output o
);
assign o = x + y;
endmodule
module u_rtl
(
input x,
input y,
output o
);
assign o = x + y;
endmodule