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Re: Register Allocation Algorithm..
- From: Jamie Lokier <egcs at tantalophile dot demon dot co dot uk>
- To: Joe Buck <Joe dot Buck at synopsys dot com>
- Cc: Daniel Berlin <dberlin at dberlin dot org>, Ritu Sabharwal <ritu at csa dot iisc dot ernet dot in>, gcc at gcc dot gnu dot org, Jim Wilson <wilson at redhat dot com>
- Date: Sat, 5 Oct 2002 01:01:35 +0100
- Subject: Re: Register Allocation Algorithm..
- References: <070570FE-D706-11D6-A7F4-000393575BCC@dberlin.org> <200210032155.OAA03155@atrus.synopsys.com>
Joe Buck wrote:
> Since the register allocator was written, we (the GCC project) have
> obtained permission from IBM and Rice University to use their register
> allocator software patents in GPL code (after complicated negotiations
> between FSF/IBM/Rice lawyers), which makes possible the new register
> allocator.
Is that permitted with GPL compilers other than GCC, or does the
permission only apply to GCC?
A slightly weaker question: can I be sued if I fork GCC and develop it
independently?
thanks,
-- Jamie