[U-Boot] [RFC PATCH v2] ARM: Avoid compiler optimization for usages of readb, writeb and friends.

[Dirk Behme]

On 22.12.2010 08:52, Wolfgang Denk wrote:
> Dear Dirk Behme,
>
> In message<4D11A65E.8040200 at googlemail.com>  you wrote:
>>
>> Btw, I tried to send a summary of our issues to the Codesourcery =
>>
>> mailing list:
>>
>> http://www.codesourcery.com/archives/arm-gnu/msg03989.html
>>
>> Let's see if we get an answer.
>
> You got one:
> http://www.codesourcery.com/archives/arm-gnu/msg03990.html
>
> And it sounds like a reasonable explanation to me.

An additional answer, mainly covering the question why the volatile is 
optimized away:

http://www.codesourcery.com/archives/arm-gnu/msg03999.html

Best regards

Dirk