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Date: Wed, 13 Dec 2023 16:17:52 +0100
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To: gcc-patches
CC: Gerald Pfeifer
From: Tobias Burnus
Subject: [wwwdocs][patch] gcc-14/changes.html + project/gomp/: Update OpenMP
status
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Attached is an in-between update for the release notes and also for the project status page.
The latter contains an implementation-status page that is updated based on the libgomp.texi entries;
I think there are more issues, but I found an incomplete update which is now fixed. I probably need to
go through that list and check it again.
Comments, suggestions, remarks before (or after) I commit it?
Tobias
PS: I hope that we can still review, revise, commit some more pending patches
(in general, but mostly talking about OpenMP, OpenACC and nvptx/gcn here).
PPS: I or someone else also needs to update the Fortran part, now that there is
-std=f2023 (besides -std=c23 and -std=c++23). I have not checked for additional
features.
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gcc-14/changes.html + project/gomp/: Update OpenMP status
diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index c49c13e9..516f3954 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -52,10 +53,22 @@ a work-in-progress.
The requires
directive's unified_address
requirement is now fulfilled by both AMD GCN and nvptx devices.
+ AMD GCN and nvptx devices now support low-latency allocators as
+ detailed in the manual. Initial support for pinned-memory
+ allocators has been added (as detailed in the manual)
OpenMP 5.0: The allocate
directive is now
supported for stack variables in C and Fortran, including the OpenMP 5.1
- align
modifier.
+ align
modifier. For Fortran, OpenMP allocators can now be
+ used for allocatables and pointers using the allocate
+ directive and its OpenMP 5.2 replacement, the allocators
+ directive; files using this allocator and all files that might directly
+ or indirectly (intrinisic assignment, intent(out)
, ...)
+ de- or reallocate such-allocated variables must be compiled with the
+ -fopenmp-allocators
option.
OpenMP 5.1: Support was added for collapsing imperfectly nested loops and
diff --git a/htdocs/projects/gomp/index.html b/htdocs/projects/gomp/index.html
index 03f74a88..bf20bb88 100644
--- a/htdocs/projects/gomp/index.html
+++ b/htdocs/projects/gomp/index.html
@@ -480,7 +480,7 @@ than listed, depending on resolved corner cases and optimizations.
allocate directive |
GCC 14 |
- Only C and Fortran, only stack variables |
+ Only C for stack/automatic and Fortran for stack/automatic and allocatable/pointer variables |
Discontiguous array section with target update construct |
@@ -555,7 +555,7 @@ than listed, depending on resolved corner cases and optimizations.
align clause in allocate directive |
GCC 14 |
- Only C and Fortran (and only stack variables) |
+ Only C and Fortran (and not for static variables) |
align modifier in allocate clause |
@@ -820,10 +820,15 @@ than listed, depending on resolved corner cases and optimizations.
|
- Deprecation of no-argument destroy clause on depobj |
+ destroy clause with destroy-var argument on depobj |
GCC 14 |
|
+
+ Deprecation of no-argument destroy clause on depobj |
+ No |
+ |
+
linear clause syntax changes and step modifier |
GCC 13 |