Re: [alsa-devel] [PATCH] snd_usb_caiaq: use likely()/unlikely()

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