Apple x18 on ARM

Torbjörn Granlund tg at gmplib.org
Tue Mar 8 11:06:04 CET 2022


Uwe Falck <uwe at falcknet.de> writes:

  I don’t like your comment on Apple reserving x18 for platform purposes on the GMP home page.

That's unfortunate indeed.

But despite your disapproval here, I think we should inform our users
about potential problems with GMP on specific platforms.

  The ARM ABI documentation
  https://developer.arm.com/documentation/ihi0055/latest says very
  clearly for several years

Your point being?

  Therefore I would prefer not to blame Apple for using x18 on ARM as you like as GMP developers.

"Blame"?

Man, there is no pleasing everybody.

-- 
Torbjörn
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