Re: [wwwdocs] gcc-13/changes.html + projects/gomp/: OpenMP update

[Jakub Jelinek <jakub@redhat.com>]

On Wed, Jan 18, 2023 at 01:39:43PM +0100, Tobias Burnus wrote:
> --- a/htdocs/gcc-13/changes.html
> +++ b/htdocs/gcc-13/changes.html
> @@ -53,12 +53,19 @@ a work-in-progress.</p>
>    <li id="openmp"><a href="https://gcc.gnu.org/projects/gomp/">OpenMP</a>
>    <ul>
>      <li>
> -      Reverse offload is now supported and the all clauses to the
> -      <code>requires</code> directive are now accepted. However, the
> -      <code>requires_offload</code>, <code>unified_address</code>
> -      and <code>unified_shared_memory</code> clauses imply the initial
> -      device (= the host) as the only available device. Fortran now
> -      supports non-rectangular loop nests, which were added for C/C++ in GCC 11.
> +      Reverse offload is now supported with nvptx devices. Additionally, the
> +      <code>requires</code> handling has been improved and all clauses are
> +      now accepted. If a requirement cannot be fulfilled for an accessible
> +      device, this device is excluded from the list of available devices. This
> +      may imply that the only device left is the host (the initial device).
> +      In particular, <code>requires_offload</code> is currently unsupported on
> +      AMD GCN devices while <code>unified_address</code> and
> +      <code>unified_shared_memory</code> are unsupported by all non-host
> +      devices.

The above looks good to me.

> +    </li>
> +    <li>
> +      OpenMP 5.0: Fortran now supports non-rectangular loop nests, which were
> +      added for C/C++ in GCC 11.

But because of the sorry_at I'd say "supports some" instead of "supports".
And similarly in the libgomp texi as well as gomp/index.html clarify it is
full C/C++ support (I'll look at PR108435 soon) and say the Fortran support
is still partial.

> --- a/htdocs/projects/gomp/index.html
> +++ b/htdocs/projects/gomp/index.html
> @@ -547,9 +547,14 @@ than listed, depending on resolved corner cases and optimizations.</p>
>      <td></td>
>    </tr>
>    <tr>
> -    <td><code>align</code> clause/modifier in <code>allocate</code> directive/clause and <code>allocator</code> directive</td>
> +    <td><code>align</code> clause in <code>allocate</code> directive</td>
> +    <td class="unsupported">No</td>
> +    <td></td>
> +  </tr>
> +  <tr>
> +    <td><code>align</code> modifier in <code>allocate</code> clause</td>
>      <td class="supported"><a href="../../gcc-12/changes.html#languages">GCC&nbsp;12</a></td>
> -    <td>C/C++ on clause only</td>
> +    <td></td>
>    </tr>
>    <tr>
>      <td><code>thread_limit</code> clause to <code>target</code> construct</td>


	Jakub