iverilog/ivtest/ivltests/pr1634526.v

20 lines
492 B
Verilog

/* pr1634526.v */
module test;
initial begin
$display("Working: This (%0d) should be 255.", minus1(256));
// This crashes!
$display("Broken: This (%0d) should be 255", minus1(2**8));
// And this gives the wrong result!
$display("Broken: This (%0d) should be 255.", minus1(2**8-1+1));
$display(" started with %0d.", 2**8-1+1);
$finish(0);
end
function integer minus1;
input value;
integer value;
minus1 = value - 1;
endfunction
endmodule