Messages in this thread | | | Date | Thu, 4 Mar 2004 14:48:09 +0100 | From | Willy Tarreau <> | Subject | Re: [PATCH 2.4] sys_select() return error on bad file |
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On Thu, Mar 04, 2004 at 10:20:41AM +0100, Armin Schindler wrote:
> retval cannot be used for that, it may get changed in the loop.
OK
> Anyway, I don't see how your proposal would do better performance? > My patch just adds a new variable on the stack, which should not make any > difference in performance. And later, it is the same if the new or another > variable gets changed or checked.
It is possible that in current code the, compiler is able to allocate a register for each variable used inside the loop, while it may not be able anymore with an additionnal variable. But that's just speculation anyway.
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