[cfe-dev] [RFC] add Function Attribute to disable optimization

[Sean Silva]

On Mon, Jun 17, 2013 at 10:29 AM, Jeffrey Walton <noloader at gmail.com> wrote:
>
>
> First is to ensure dead-writes are not removed. For example, a
> function that zeroizes or wipes memory is subject to removal during
> optimization. I often have to look at program's disassembly to ensure
> the memset is not removed by the optimizer.
>

Appropriate use of `volatile` is probably sufficient for this use case.

-- Sean Silva
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