Re: [PATCH] trivial: the memset operation on a automatic arrayvariable should be optimized out by data initialization

[Arjan van de Ven]

> > I think all these benefits are the gcc's __builtin_memset optimization
> > than the explicit call to memset.
> 
> ... or from complex memset() implementation (some chips even didn't do
> `rep' fast enough somehow). Maybe code like below will be acceptable for
> both optimizers and maintainers?


we should just alias our memset to the __builtin one, and then provide a
generic one from lib/ for the cases gcc needs to do a fallback.


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