https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106005
--- Comment #6 from Steve Kargl <sgk at troutmask dot apl.washington.edu> --- On Fri, Jun 17, 2022 at 02:56:50PM +0000, wileamyp at outlook dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106005 > > --- Comment #5 from Wileam Yonatan Phan <wileamyp at outlook dot com> --- > Hi Steve, > > I think I recognize you from the Fortran-lang Discourse forum! > Yep. > > The committee is ready to vote, but it is still a non-existent standard. > > That's technically true, since the votes haven't been cast, yet. > > > The first thing required for gfortran to support any F2023 feature would be > > the addition of a -std=f2023. This has not been implemented, yet. > > That is correct, and I guess work on implementing the `-std=f2023` flag will > start as soon as the standard is agreed upon and published. Do you know when > the committee will meet to vote? I've seem some voting in the J3 mailing list, bu that may have been for interpretation requests against the current standard. J3 is scheduled to meet in July. If J3 hasn't passed F2023 to ISO yet, then it likely will be finalized at this meeting. > > I'll also note that things don't magically appear in gfortran. Someone has > > to implement it. > > Hopefully I will be able to implement this particular part (REDUCE) as part of > my GSoC '22 project > <https://summerofcode.withgoogle.com/programs/2022/projects/et1mX1zU>. The > second phase of the project specifically addresses support in the parser, and > the third phase implements the actual parallelization. > > So, my intention on filing this bug is to have a public record for tracking my > project's progress. I'll also periodically blog about it at > <https://wyphan.github.io> and > <https://fortran-lang.discourse.group/t/gsoc-2022-accelerating-fortran-do-concurrent-in-gcc/3269> > I haven't used DO CURRENT in my own codes so only have a small amount of exposure to what gfortran does. I suspect it is missing some, if not most, of the locality stuff from F2018. If you have general questions about gfortran internals, feel free to ping me.
