[clang] [Clang][OpenMP][Doc] Update OpenMPSupport.rst (PR #122174)

Joseph Huber via cfe-commits cfe-commits at lists.llvm.org
Wed Jan 8 14:50:02 PST 2025


https://github.com/jhuber6 updated https://github.com/llvm/llvm-project/pull/122174

>From 47908c2aefc7009ccb62d4b9111fbd8d7e5ee7ad Mon Sep 17 00:00:00 2001
From: CatherineMoore <catmoore at amd.com>
Date: Wed, 8 Jan 2025 16:33:01 -0500
Subject: [PATCH 1/3] Update OpenMPSupport.rst

---
 clang/docs/OpenMPSupport.rst | 118 +++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)

diff --git a/clang/docs/OpenMPSupport.rst b/clang/docs/OpenMPSupport.rst
index 481362dba3f51d..f6a408faabf62d 100644
--- a/clang/docs/OpenMPSupport.rst
+++ b/clang/docs/OpenMPSupport.rst
@@ -343,6 +343,124 @@ implementation.
 | task                         | nowait clause on taskwait                                    | :part:`partial`          | parsing/sema done: D131830, D141531                                   |
 +------------------------------+--------------------------------------------------------------+--------------------------+-----------------------------------------------------------------------+
 
+
+.. _OpenMP 6.0 implementation details:
+
+OpenMP 6.0 Implementation Details
+=================================
+
+The following table provides a quick overview over various OpenMP 5.0 features
+and their implementation status. Please post on the
+`Discourse forums (Runtimes - OpenMP category)`_ for more
+information or if you want to help with the
+implementation.
+
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+|Feature                                                      | C/C++ Status              |  Fortran Status           | Reviews                                                                  |
++=============================================================+===========================+===========================+==========================================================================+
+| free-agent threads                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Recording of task graphs                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Parallel inductions                                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| init_complete for scan directive                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Loop transformation constructs                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| work distribute construct                                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| task_iteration                                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| memscope clause for atomic and flush                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| transparent clause (hull tasks)                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| rule-based compound directives                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| C23, C++23                                                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Fortran 2023                                                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| decl attribute for declarative directives                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| C attribute syntax                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| pure directives in DO CONCURRENT                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Optional argument for all clauses                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Function references for locator list items                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| All clauses accept directive name modifier                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to depobj construct                              | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to atomic construct                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Private reductions                                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Self maps                                                   | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Release map type for declare mapper                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Extensions to interop construct                             | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| no_openmp_constructs                                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| safe_sync and progress with identifier and API              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| OpenMP directives in concurrent loop regions                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| atomics constructs on concurrent loop regions               | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Loop construct with DO CONCURRENT                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| device_type clause for target construct                     | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| nowait for ancestor target directives                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| New API for devices' num_teams/thread_limit                 | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Host and device environment variables                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| num_threads ICV and clause accepts list                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Numeric names for environment variables                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Increment between places for OMP_PLACES                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| OMP_AVAILABLE_DEVICES envirable                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Traits for default device envirable                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Optionally omit array length expression                      | :none:`unclaimed`        | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Canonical loop sequences                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Clarifications to Fortran map semantics                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| default clause at target construct                          | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| ref count update use_device_{ptr, addr}                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Clarifications to implicit reductions                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| ref modifier for map clauses                                | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| map-type modifiers in arbitrary position                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| atomic constructs in loop region                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Lift nesting restriction on concurrent loop                 | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| priority clause for target constructs                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| changes to target_data construct                            | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+| Non-const do_not_sync for nowait/nogroup                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
++-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
+
 OpenMP Extensions
 =================
 

>From 906c3f0d6881cd7c72f93e7f5cb3af93e516f0d9 Mon Sep 17 00:00:00 2001
From: Joseph Huber <huberjn at outlook.com>
Date: Wed, 8 Jan 2025 15:50:41 -0600
Subject: [PATCH 2/3] Update clang/docs/OpenMPSupport.rst

---
 clang/docs/OpenMPSupport.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/docs/OpenMPSupport.rst b/clang/docs/OpenMPSupport.rst
index f6a408faabf62d..bd5ca08e88c32c 100644
--- a/clang/docs/OpenMPSupport.rst
+++ b/clang/docs/OpenMPSupport.rst
@@ -349,7 +349,7 @@ implementation.
 OpenMP 6.0 Implementation Details
 =================================
 
-The following table provides a quick overview over various OpenMP 5.0 features
+The following table provides a quick overview over various OpenMP 6.0 features
 and their implementation status. Please post on the
 `Discourse forums (Runtimes - OpenMP category)`_ for more
 information or if you want to help with the

>From 0cee74cd30ae02e8eb0b00fcfe03969201a55d0e Mon Sep 17 00:00:00 2001
From: CatherineMoore <catmoore at amd.com>
Date: Wed, 8 Jan 2025 17:12:03 -0500
Subject: [PATCH 3/3] Update OpenMPSupport.rst

Provide missing close marks
---
 clang/docs/OpenMPSupport.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/clang/docs/OpenMPSupport.rst b/clang/docs/OpenMPSupport.rst
index bd5ca08e88c32c..ec1e00d4a1ca76 100644
--- a/clang/docs/OpenMPSupport.rst
+++ b/clang/docs/OpenMPSupport.rst
@@ -394,7 +394,7 @@ implementation.
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | All clauses accept directive name modifier                  | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
-| Extensions to depobj construct                              | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
+| Extensions to depobj construct                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Extensions to atomic construct                              | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
@@ -404,7 +404,7 @@ implementation.
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Release map type for declare mapper                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
-| Extensions to interop construct                             | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
+| Extensions to interop construct                             | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | no_openmp_constructs                                        | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
@@ -416,7 +416,7 @@ implementation.
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Loop construct with DO CONCURRENT                           | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
-| device_type clause for target construct                     | :none:`unclaimed          | :none:`unclaimed`         |                                                                          |
+| device_type clause for target construct                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | nowait for ancestor target directives                       | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
@@ -434,7 +434,7 @@ implementation.
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Traits for default device envirable                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
-| Optionally omit array length expression                      | :none:`unclaimed`        | :none:`unclaimed`         |                                                                          |
+| Optionally omit array length expression                     | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Canonical loop sequences                                    | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+



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