[alsa-devel] [PATCH] snd_usb_caiaq: use likely()/unlikely()
Daniel Mack
daniel at caiaq.org
Sat Apr 12 23:01:19 CEST 2008
Hi,
On Sat, Apr 12, 2008 at 11:21:27PM +0300, Adrian Bunk wrote:
> Does it bring any measurable advantage?
>
> Otherwise it's usually better to let the compiler decide how to optimize
> the code.
I didn't really measure, but how should the compiler know how likely a
certain condition in hardware state is? I thought, in such cases it's
generally a good idea to give the compiler some hints.
Daniel
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