Eyck, Earlier bpad_10634.err error was due to the mismatching port widths, I corrected that issue.
As per a document, Xcelium implements the IEEE1666-2011 standard for System-C which includes the sc_vector as well. I might be doing something wrong here on specific version usage or improper use of macros/command line options. I have raised a support ticket with Cadence on the sc_vector support in Xcelium.
1. Independently module is compiling with xrun –sysc –sv adder.cpp adder.v (please find the “module_standalone” file attached)
xrun -sysc -sv -clean -disable_sem2009 adder