[rfc][0/13] Eliminate read_register et al

[Joel Brobecker]

> > > amd64
> > (linux)
> > 
> > > sparc
> > (solaris)
> 
> Thanks a lot!  Might I ask you to also test the patch set I've just
> posted (clean up built-in types)?  Those two platforms are exactly
> the two this needs to be tested on ...

Ulrich sent me privately a jumbo patch that contains all the changes
he wanted me to test. Apart from a few obvious adjustements that I had
to do because of some ultra-recent gdbarch checkins, the testsuite
reports came out clean on mad64-linux and sparc-solaris.

-- 
Joel