Re: [Tinycc-devel] "register" and "volatile"

[KHMan]

Jerry wrote:
> Hi All,
> As far as I know, a variable with "register" storage class will probably 
> be optimized to be
> having no RAM storage but only staying in a CPU register. A "volatile" 
> variable will only 
> be read by RAM access. But what about a variable declared as volatile 
> with register 
> storage class?

"register" is advisory, it is up to the compiler to ultimately 
decide what to choose. "volatile" is mandatory, otherwise your 
program will break or work funny. You probably should read Derek 
Jones' The New C Standard (http://www.knosof.co.uk/cbook/cbook.html)

--
Cheers,
Kein-Hong Man (esq.)
Kuala Lumpur, Malaysia