On Thu, 11 Mar 2021 at 09:43, Kito Cheng via Gcc <gcc@gcc.gnu.org> wrote: > > Hi: > > Would it be possible to support interchange floating point and/or > extended floating point for C++, which is introduced by ISO/IEC TS > 18661-3? > > I've read the note about C++ support from the initial commit log[1], > so I know there is some concern about C++ support for that, is it > possible to enable that for C++ like a language extension for C++? > > The main demand comes from the data type for half-precision, ISO/IEC > TS 18661-3 is the only common spec which supports half-precision and > both GCC and clang are supported. > > However it can't be used on C++ for GCC, so it's hard to use that as a > workable solution for half-precision data types. > > Or maybe ISO/IEC JTC1 SC22 WG14 N2016[2] is a better way for > half-precision data types?
See https://wg21.link/p1467 and https://wg21.link/p1467 for the relevant C++ proposals.
