[clang] Update OpenMPSupport.rst (PR #122174)
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Wed Jan 8 13:35:15 PST 2025
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-clang
Author: None (CatherineMoore)
<details>
<summary>Changes</summary>
This patch adds a section for OpenMP 6.0 features.
---
Patch is 21.11 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/122174.diff
1 Files Affected:
- (modified) clang/docs/OpenMPSupport.rst (+118)
``````````diff
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` ...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/122174
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