On 05/15/2018 11:01 AM, Rodrigo V. G. wrote: > I tried to use __atomic_fetch_add in C++ with a volatile (non _Atomic) > variable, > and it seems to generate the same assembler code. > The only difference that I saw was that with _Atomic > it generates a "mfence" instruction after initialization but with > volatile it does not.
That's what should happen on x86. > So I think it might not provide the same guarantees. I think it does. -- Andrew Haley Java Platform Lead Engineer Red Hat UK Ltd. <https://www.redhat.com> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
