Eric Botcazou <ebotca...@adacore.com> writes:
>> That doesn't really answer the question though.  What's the correct
>> behaviour for an unspec volatile in a loop?  I don't think it's what
>> we did in the example above, since it doesn't seem self-consistent.
>> And "not spending too much time" is again a bit vague in terms of
>> saying what's right and what's wrong.
>
> "not spending too much time" is a polite way to say I don't really care. :-)
> If you do, feel free to post a formal definition, a implementation plan and 
> maybe a patch at some point.

Well, I still reckon unspec_volatile and volatile asm should be volatile
in the same way.  There should be no implicit magic clobbers.

Thanks,
Richard

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