Bernd's reload patch installed

[Jeffrey A Law]

I've just installed Bernd's last patch to implement localized spilling in
reload.

This is a major design change for the reload pass that should be a noticable
code generation improvement for targets with limited register sets.  See the
web page for a few more details about what Bernd's patches do.

The egcs tree has been more unstable than I'd like for a while now, so I'd like
to slow down development for a short period of time so that we can stabilize
the tree and try to shake out bugs buried in the massive reload work done by
Bernd and Joern.

Note the slowdown is meant to effect the optimization and code generation
aspects of the compiler.  Not the front-ends or supporting code like cpp,
fixincludes, etc.


Bernd -- thanks for all the contributions!

jeff