O2 flag in compilation

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Hi,

I've always used the -O2 flag when compiling modules, but with everyone
asking about it lately it occurred to me that I don't know *why* I have to
do it.

I'm speculating that it has something to do with inline functions, but I
don't really know.  Can anyone else enlighten me please?

TIA,
Paul Gearon

Software Engineer                Telephone:   +61 7 3876 2188
Plugged In Software              Fax:         +61 7 3876 4899
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