On 03/17/2010 06:19 AM, 이환희 wrote: > Hello. > > I have to start to make some c compiler for my own cpu. This cpu has > very simple core and has many limitations. > > I think that many of those limitations are evitable in source coding. > But I cannot convince a few of them. > > Instructions of this cpu core have no indexed addressing mode like > 'base' + 'offset'. > > This cpu can address memories only according to followings. > > immediate addressing > indirect addressing with general registers > > I really want to know that gcc is portable on this core in spite of > the limitation. It is, but the generated code is going to be very poor. Andrew.
