[Patch][wwwdocs] gcc-17/changes.html: OpenACC update - projects/gomp/: OpenMP update (was: [PUSHED v4] Fortran support for init,set,shutdown OpenACC directives)

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Any comments before I commit the following patch updating the webpage?

OpenACC: Add the init/set/shutdown directive support for Fortran
to https://gcc.gnu.org/gcc-17/changes.html (→ OpenACC, section added here)

For OpenMP, I noticed a while ago parsing 'device_type' for variables
is supported since GCC 10 (Fortran: 11), i.e. half a year before
OpenMP 5.1 was even released. Looking at the code, it does not seem to
be really handled besides parsing - but testing shows that it largely is,
possibly the linker fixes this mostly - such that the symbol is only in
host/nohost. Still, only marked as 'partial' - for now.
→ https://gcc.gnu.org/projects/gomp/ (→ Impl. Status → 5.1).

* * *

Thomas Schwinge wrote:

> From: Sebastian Galindo
>
> This patch adds parsing and libgomp runtime calls for these directives,
> sharing the existing implementation with runtime API calls. It also
> includes support for the device_type and device_num clauses in the
> Fortran front-end.

Cool!

Side remark: routine, parallel, kernels, and loop also support the device_type
clause since OpenACC 2.5; eventually, support for this has to be added as well.
[Later versions seem to add it for 'serial' + 'data' as well.] - Just for
completeness.

[And I just noticed: "The device_type clause may be abbreviated to dtype",
this seems to be simple to implement for C/C++/Fortran and seems to be not
implemented in GCC.]

* * *

Tobias

PS: I hope the release notes + status are now up to date. There is more,
but I think those fall under prep work or bug fixes.

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