On Thu, 9 Aug 2007, Chuck Ebbert wrote:
>
> You can use this forget() macro to make the compiler reread a variable:
>
> #define forget(var) asm volatile ("" : "=m"(var))
No. That will also make the compiler "forget" any previous writes to it,
so it changes behaviour.
You'd have to use "+m".
Linus
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