Re: [PATCH 7/8] i386: bitops: Kill needless usage of __asm__ __volatile__

[Jeremy Fitzhardinge]

Satyam Sharma wrote:
> From: Satyam Sharma <ssatyam@xxxxxxxxxxxxxx>
>
> [7/8] i386: bitops: Kill needless usage of __asm__ __volatile__
>
> Another oddity I noticed in this file. The semantics of __volatile__
> when used to qualify inline __asm__ are that the compiler will not
> (1) elid, or, (2) reorder, or, (3) intersperse, our inline asm with
> the rest of the generated code.
>   

"asm volatile" does not mean that at all.  It only guarantees (1), and
only then if the asm is ever reachable.

    J
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