On Fri, 17 Aug 2007, Paul Mackerras wrote:

quoted text
> Satyam Sharma writes:
> 
> > I wonder if this'll generate smaller and better code than _both_ the
> > other atomic_read_volatile() variants. Would need to build allyesconfig
> > on lots of diff arch's etc to test the theory though.
> 
> I'm sure it would be a tiny effect.
> 
> This whole thread is arguing about effects that are quite
> insignificant.

Hmm, the fact that this thread became what it did, probably means that
most developers on this list do not mind thinking/arguing about effects
or optimizations that are otherwise "tiny". But yeah, they are tiny
nonetheless.
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