[Info-vax] LLVM, volatile and async VMS I/O and system calls

[Simon Clubley]

On 2021-09-22, John Reagan <xyzzy1959 at gmail.com> wrote:
> Simon, you asked this exact same question before.  You can search back for the guesses.
>

I know. I was wondering if any data has come along since then.

>
> The current cross-compilers are no-optimize so there is no real world experience for missing volatiles.

That I had forgotten was still the case. Will be interesting to see
the performance improvements when you turn the optimiser on. :-)

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
Walking destinations on a map are further away than they appear.