"Kunal Parmar" <kunalparmar@gmail.com> writes: >> Yes, I think __mulsi3 will be built for you automatically. > > I gave a definition of __mulhi3 for my architecture. But I don't get > __mulsi3 in libgcc.a. Do I have to enable some options for this ? Looking at libgcc2.h, it seems like you might need to define LIBGCC2_UNITS_PER_WORD in your tm.h file. Ian