I am personally (every now and then) working on an FPC backend that
emits llvm code. Llvm has been designed from the ground up to take
some form of intermediate code as input and as a generic backend for
other compilers. It's still quite young as a project and does not yet
support as many targets as gcc, but it is evolving and improving very
quickly.
See http://llvm.org for more info.
Sounds very interesting indeed ! Please keep me informed on what you
come up with on that behalf !
NIOS is a very simple load-store 32 Bit RISK architecture, similar to
the initial ARM Core, so I suppose it would be quite easy to port the
ARM code generator of llvm to NIOS.
But OTOH I feel a bit uncomfortable to see yet another intermediate code
(after GCC's "RTL", CLR's (.Net/Mono) "CIL" and FPC's own stuff) in the
game.
-Michael
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