> Why would you ever want to run a binary optimized for the i686 on a
> i386-optimized kernel?
When installing the system. When booting with rescue CD/floppy and trying
to run the native programs on the disk.
> Typically you will want to have a "base" glibc around which really
> serves the lowest common denominator (i386) and then optimized versions
> in the i686 / mmx / sse subdirectories which will run whenever it is
> possible to run
Right. Selected at runtime. Nice bloath + slowdown, that one...
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