Messages in this thread | | | Subject | Re: [PATCH] trivial: the memset operation on a automatic array variable should be optimized out by data initialization | From | Arjan van de Ven <> | Date | Sun, 24 Jun 2007 15:15:17 -0700 |
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> > 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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