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Re: [PATCH v2 12/14] arm: Add optimized addmul_1
On Fri, 1 Mar 2013, Roland McGrath wrote:
> I think the license is a non-problem since FSF is copyright owner.
My understanding was that FSF approval was needed for relicensing code
from other FSF-owned packages (as opposed to correcting simple mistakes,
e.g. making the license notice on a file reflect established licensing
practice for files used in a particular way). (E.g., when license
exception notices were added to soft-fp for use in libgcc, that involved
FSF approval for adding those notices.)
> But if your from-scratch code is good then I don't know there's a
> strong reason to use GMP's instead, since we haven't been tracking
> GMP changes in our copies for years anyway AFAIK.
I suspect other architectures might benefit from changes made in GMP to
improve performance - but certainly this is code that has diverged
significantly from the GMP versions over time.
--
Joseph S. Myers
joseph@codesourcery.com