dtcxzyw wrote: > > We used this extension to improve virtual function calling performance, > > there are simple and small virtual functions which are frequently called > > and can not be eliminated and it is in a delegation thus compiler can not > > optimize. > > [toplingdb](https://github.com/topling/toplingdb) and > > [topling-zip](https://github.com/topling/topling-zip) used pmf to pre-bind > > the functions in several places, like this: > > Can `declcall` (https://wg21.link/p2825) be used for this? It is on track for > C++26.
IIRC this feature is orthogonal to GCC bound member functions. `declcall` with a virtual method just returns a pmf, and we still need to perform vtable lookup at the callsite: https://compiler-explorer.com/z/YrT3nPTEz https://github.com/llvm/llvm-project/pull/135649 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits