Code base to start a port

[Alan Lehotsky <apl at alum dot mit dot edu>]

I'm looking for any consensus as to what code base would be best to start a
GCC port from.

This is strictly a C compiler project, no C++ is required.  I'm 
trying to pick between
using 2.95.3 which is very stable, obviously and using 3.0 which is 
obviously still
a little bit slushy.

Is there any particular optimization or other structural reasons to 
prefer the 3.0 code base?
For example, I would like to use the new peephole2 mechanisms (Is 
that the right name for the
new defines in the .md?) - I don't know if that's in 2.95.3 - I 
suspect it's not.

Regards,
Al Lehotsky
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