Re: Why does membar_consumer() do anything on x86_64?

[christos%astron.com@localhost (Christos Zoulas)]

In article <20111111085910.865F214A28B%mail.netbsd.org@localhost>,
YAMAMOTO Takashi <yamt%mwd.biglobe.ne.jp@localhost> wrote:
>hi,
>
>what's the status of this topic?

I believe Dennis is right (from my experience). One has to be careful
though with certain compilers (not gcc) that re-order memory
accesses of volatile variables, when using aggressive optimizations.

christos