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Re: Powerpc atomic_load
- From: Peter Bergner <bergner at vnet dot ibm dot com>
- To: Sebastian Huber <sebastian dot huber at embedded-brains dot de>
- Cc: David Edelsohn <dje dot gcc at gmail dot com>, Bernhard Schommer <bernhardschommer at gmail dot com>, GCC Development <gcc at gcc dot gnu dot org>
- Date: Wed, 23 Sep 2015 10:23:09 -0500
- Subject: Re: Powerpc atomic_load
- Authentication-results: sourceware.org; auth=none
- References: <55F1C06B dot 10008 at gmail dot com> <CAGWvnymWP843LAC4OMSHMsCbGjqEuT=Hb6EB7HxfeaoCHT78cA at mail dot gmail dot com> <5602B415 dot 1050106 at embedded-brains dot de>
On Wed, 2015-09-23 at 16:15 +0200, Sebastian Huber wrote:
> On 10/09/15 19:52, David Edelsohn wrote:
> > https://www.cl.cam.ac.uk/~pes20/cpp/cpp0xmappings.html
>
> Is there specific reason why the SYNC L,E (Elemental Memory Barriers)
> defined by Power-ISA V2.07 doesn't appear in this table?
Probably because that category is only implemented on some (one?) cpus
(eg, E6500) and not on any of the server cpus (eg, power[45678]), so no
one cared enough to add that info? :-) It would probably be useful to
add though.
Peter