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Re: An unusual Performance approach using Synthetic registers
> One question: couldn't the compiler simply elide "buffer", since there
> are no references to it?
>
Yes, that's of course another optimisation opportunity that GCC is missing,
but that is a different story not related to the "Synthetic registers"
discussion, even though a better liferange analyses of local variabled, or a
better usage of such information could do this kind of optimisation as well.
Marcel