On Wed, Nov 10, 2021 at 11:33:09AM +0100, Tobias Burnus wrote: > Cumulative update of the OpenMP 5.x changes in GCC 12. > > I hope it covers all essential changes. Of course, > some other could be added like 'omp target in_reduction', > which was missing before (oversight) and possibly other > things, which I have missed. > > For the last bullet: the implementation-status documentation > is new – but even if it were not, linking to it makes sense. > I kept adding and removing a 'full' after the "The", > which sounds better but while the list in libgomp.texi is > extensive, it does not have "full" coverage of all changes. > Additionally, as it is new, a "now" could be added after > "can". > > Suggestions, additions, wording changes? > > Tobias > ----------------- > 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
> gcc-12/changes.html: Update OpenMP status > > diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html > index 81f62fe3..bbb8f2ac 100644 > --- a/htdocs/gcc-12/changes.html > +++ b/htdocs/gcc-12/changes.html > @@ -70,20 +70,36 @@ a work-in-progress.</p> > <h2 id="languages">New Languages and Language specific improvements</h2> > > <ul> > - <li>OpenMP 5.0 support has been extended: The <code>close</code> map > modifier > + <li>OpenMP > + <ul> > + <li>OpenMP 5.0 support has been extended: The <code>close</code> map > modifier > and the <code>affinity</code> clause are now supported and for Fortran > additionally the following features which were available in C and C++ > - before: <code>depobj</code>, <code>mutexinoutset</code> and > - <code>iterator</code> can now also be used with the > <code>depend</code> > - 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, > - the following OpenMP 5.1 feature have been added: support for > expressing > + before: <code>declare variant</code> is now available, > + <code>depobj</code>, <code>mutexinoutset</code> and > <code>iterator</code> > + can now also be used with the <code>depend</code> 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.</li> > + <li>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. > + variable, the <code>reproducible</code> and <code>unconstrained</code> > + modifiers to the <code>order</code> clause, and, for C/C++ only, the > + align- and allocate-modifiers to the <code>allocate</code> clause and > + the <code>atomic</code> extensions are now available. The > + <code>OMP_PLACE</code> environment variable supports the OpenMP 5.1 > + features and the <code>OMP_NUM_TEAMS</code> and > + <code>OMP_TEAMS_THREAD_LIMIT</code> environement variables and their environment > + associated API routines are now supported as well as the > memory-allocation > + routines added for Fortran and extended for C/C++ in OpenMP 5.1. In > + Fortran code, strictly-structured blocks can be used.</li> > + <li>The <a > + > href="https://gcc.gnu.org/onlinedocs/libgomp/OpenMP-Implementation-Status.html"; > + >OpenMP Implementation Status</a> can be found in the libgomp > manual.</li> > + </ul> > </li> > <li>The new warning flag <code>-Wopenacc-parallelism</code> was added for > OpenACC. It warns about potentially suboptimal choices related to Otherwise LGTM. Jakub
