Re: [PATCH] trivial: the memset operation on a automatic array variable should be optimized out by data initialization
- From: Benjamin LaHaise <bcrl@xxxxxxxxx>
- Date: Sun, 24 Jun 2007 20:12:03 -0400
On Sun, Jun 24, 2007 at 05:09:16PM -0700, Arjan van de Ven wrote:
if you care about the last cycle, don't specify -Os but -O2.
simple as that... you get what you tell the compiler you want.
Certain distros are shipping kernels compiled with -Os. And it's more
than just a couple of cycles.
-ben
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