diff mbox series

[wwwdocs] gcc-12/changes.html: OpenMP 5.1 update (was: [wwwdocs] gcc-12/changes.html: OpenMP - mention masked support)

Message ID 8c3348aa-9bac-5bfc-f4f1-a1e418cca351@codesourcery.com
State New
Headers show
Series [wwwdocs] gcc-12/changes.html: OpenMP 5.1 update (was: [wwwdocs] gcc-12/changes.html: OpenMP - mention masked support) | expand

Commit Message

Tobias Burnus Sept. 6, 2021, 1:20 p.m. UTC 
On 13.08.21 16:37, Tobias Burnus wrote:

> Update the OpenMP section again, now that Jakub has added the 'masked'
> construct.
> Comments?

Jakub did comment on IRC that it probably makes sense to do less
frequent commits.
Thus, I waited a while and now have an update list. Besides 'masked' it
now mentions:

scope construct;  nothing and error directive + primary in proc_bind.

OK? Comments? Suggestions?

Tobias

PS: Also new that the existing 'device' clause now supports the
modifiers 'device_num' and 'ancestor' and a bunch of bug fixes. While
very useful, I think those aren't changes.html worthy.

-----------------
Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstraße 201, 80634 München; Gesellschaft mit beschränkter Haftung; Geschäftsführer: Thomas Heurung, Frank Thürauf; Sitz der Gesellschaft: München; Registergericht München, HRB 106955

Comments

Jakub Jelinek Sept. 6, 2021, 1:44 p.m. UTC | #1 
On Mon, Sep 06, 2021 at 03:20:44PM +0200, Tobias Burnus wrote:
> On 13.08.21 16:37, Tobias Burnus wrote:
> 
> > Update the OpenMP section again, now that Jakub has added the 'masked'
> > construct.
> > Comments?
> 
> Jakub did comment on IRC that it probably makes sense to do less
> frequent commits.
> Thus, I waited a while and now have an update list. Besides 'masked' it
> now mentions:
> 
> scope construct;  nothing and error directive + primary in proc_bind.
> 
> OK? Comments? Suggestions?
> 
> Tobias
> 
> PS: Also new that the existing 'device' clause now supports the
> modifiers 'device_num' and 'ancestor' and a bunch of bug fixes. While
> very useful, I think those aren't changes.html worthy.

Agreed (especially because the ancestor modifier is only parsing, but
eventually runs into sorry_at for missing reverse_offload support).
Ok, thanks.

	Jakub
diff mbox series

Patch

gcc-12/changes.html: OpenMP 5.1 update

* htdocs/gcc-12/changes.html (Caveats): Item about Fortran and omp_lib.h.
  (OpenMP): More OMP 5.1 features: masked, scope, nothing, error + primary
  in proc_bind.

diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 06d5ea73..946faa49 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -31,6 +31,7 @@  a work-in-progress.</p>
 <h2>Caveats</h2>
 <ul>
   <li>
+    <strong>C++:</strong>
     Two non-standard <code>std::pair</code> constructors have been deprecated.
     These allowed the use of an rvalue and a literal <code>0</code> to
     construct a pair containing a move-only type and a pointer.
@@ -38,7 +39,14 @@  a work-in-progress.</p>
     member instead of a literal <code>0</code>, as this is portable to other
     C++ implementations.
   </li>
-  <li>...</li>
+  <li>
+    <strong>Fortran:</strong>
+    OpenMP code using the <code>omp_lib.h</code> include file can no longer be
+    compiled with <code>-std=f95</code> but now requires at least
+    <code>-std=f2003</code>. Alternatively, use the <code>omp_lib</code> module,
+    which still supports <code>-std=f95</code> and is recommended to be used
+    instead in general.
+  </li>
 </ul>
 
 
@@ -57,8 +65,12 @@  a work-in-progress.</p>
       clause, <code>defaultmap</code> has been updated for OpenMP 5.0, and the
       <code>loop</code> directive and combined directives
       involving <code>master</code> directive have been added. Additionally,
-      support for expressing OpenMP directives as C++ 11 attributes has been
-      added, which is an OpenMP 5.1 feature.
+      the following OpenMP 5.1 feature have been added: support for expressing
+      OpenMP directives as C++ 11 attributes, the <code>masked</code> and
+      <code>scope</code> construct, the <code>nothing</code> and
+      <code>error</code> directives, and using <code>primary</code> with the
+      <code>proc_bind</code> clause and <code>OMP_PROC_BIND</code> environment
+      variable.
   </li>
   <li>The new warning flag <code>-Wopenacc-parallelism</code> was added for
       OpenACC. It warns about potentially suboptimal choices related to