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Cc: freebsd-usb@freebsd.org
Subject: Re: writing usb drivers under 8.x
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Jim Bryant <kc5vdj.freebsd@gmail.com> wrote:

> what kind of idiot defines a constant assignment for a 32k buffer as a 
> 15 bit left shift of 1?
>
> clever, yes.  but in production, stupid.
>
> a constant should be just that, a constant, and thus require no 
> computation at runtime.

Er, did you bother to look at the generated code before spouting off?
Most compilers, even as far back as K&R 1st edition, will compute
constant expressions like that at compile time.