From: | Magnus Hagander <magnus(at)hagander(dot)net> |
---|---|
To: | Tsutomu Yamada <tsutomu(at)sraoss(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [PATCH] Windows x64 [repost] |
Date: | 2010-01-04 17:28:57 |
Message-ID: | 9837222c1001040928l25ad44b6xdc520b0b172d2930@mail.gmail.com |
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Thread: | |
Lists: | pgsql-hackers |
On Fri, Jan 1, 2010 at 20:45, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
> On Fri, Dec 4, 2009 at 11:42, Tsutomu Yamada <tsutomu(at)sraoss(dot)co(dot)jp> wrote:
>>
>> 2) use appropriate macro and datatypes for Windows API.
>> enables more than 32bits shared memory.
>
> Are you sure this one should use __noop, and not __nop?
>
> __noop: http://msdn.microsoft.com/en-us/library/s6btaxcs.aspx
> __nop: http://msdn.microsoft.com/en-us/library/aa983381.aspx
>
> I think __nop is what we want?
>
> Also, that turns it into "nop" and not "rep nop", no?
I did some more research, and __nop() is at least closer than
__noop(), but it's still not the same.
> Should we perhaps instead use __yield, per:
> http://msdn.microsoft.com/en-us/library/2b2h26kx.aspx
On further reading, __yield() is only available on Itanium.
--
Magnus Hagander
Me: http://www.hagander.net/
Work: http://www.redpill-linpro.com/
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