Hello,

I am using veriloga in spectre.  When I use the xnor built in function of ^~ or ~^ I get funny results.

integer a,b
a=1;
b=1;

c=a~^b;

c evaluates to -1

integer a,b;
a=0;
b=1;
c=a~^b;

c evaluates to -2

I think what is going on is all the integers are represented as a multi-bit integer and the ~^ is going the operation bit-wise.  The resulting number is then a negative number in 2s complement.  Is there a way to implement a and b as a binary value?

BTW c=!(a^b) works for me now but I would like to understand this a little better.

Thanks,

Naone