Change to search_n

[Dimitris Xochellis]

> My only doubt is about performance on "exotic"
> targets: as you know, libstdc++-v3 supports a
> rather wide range of targets (small and big) and
> we want to be sure that the performance improve
> on all of them. In particular, I'm concerned that
> the backwards moves may penalize old processors
> missing backward prefetchers. Things like this.

Very interesting! (I never thought about that...)

> Do you have any performance numbers for "exotic"
> targets? (say, anything != x86, x86_64, ia64,
> powerpc, would do ;)

Unfortunately I only have access to modern PCs!

Best Regards,
Jim Xochellis


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