svn commit: r236456 - in head/sys: amd64/include i386/include
Tijl Coosemans
tijl at freebsd.org
Mon Jun 4 10:01:39 UTC 2012
On 02-06-2012 20:10, Konstantin Belousov wrote:
> Author: kib
> Date: Sat Jun 2 18:10:16 2012
> New Revision: 236456
> URL: http://svn.freebsd.org/changeset/base/236456
>
> Log:
> Use plain store for atomic_store_rel on x86, instead of implicitly
> locked xchg instruction. IA32 memory model guarantees that store has
> release semantic, since stores cannot pass loads or stores.
They can pass non-temporal stores can't they?
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