https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107456
Thiago Macieira <thiago at kde dot org> changed:
What |Removed |Added
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CC| |thiago at kde dot org
--- Comment #3 from Thiago Macieira <thiago at kde dot org> ---
(In reply to Andrew Pinski from comment #1)
> I was going to say the exact same comment as on LLVM bug report:
> https://github.com/llvm/llvm-project/issues/58685#issuecomment-1295829030
>
> There is no way atomically fetch and add without xadd.
>
> There is no "x"and/"x"or instruction on x86 (note the x here stands for
> exchange rather than exclusive as there is an xor but that is an "exclusive
> or").
With the Remote Atomic Operations (RAO) of AAND, AOR and AXOR, we can do
something.
