RFC: split ColdFire from m68k backend

[Bernardo Innocenti]

Rogelio Serrano wrote:

> Is cross compilation good enough as a test setup? Im writing code for a 
> dragonball embedded board.

It's not good enough.  Even tough the test suite contains
many compile-only tests, these are generally meant to test
the compiler frontend (ie: whether the compiler accepts or
rejects some C constructs).

When you make changes in the compiler backend, you're
usually interested in the results of "execution tests",
which verify the generated code by running them on the
target CPU and watching the results.

-- 
  // Bernardo Innocenti - Develer S.r.l., R&D dept.
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