On Tue, Jan 3, 2012 at 4:17 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> For Itanium, I was able to find some fairly official-looking
>> documentation that said "this is how you should do it". It would be
>> nice to find something similar for PPC64, instead of testing every
>> machine and reinventing the wheel ourselves.
>
> You are aware that our spinlock code is pretty much verbatim from the
> PPC ISA spec, no? The issue here is that the "official documentation"
> has been a moving target over the decades the ISA has been in existence.
I wasn't aware of that, but I think my basic point still stands: it's
gonna be painful if we have to test large numbers of different PPC
boxes to figure all this out...
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
