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commit 66ba4d076658052cfd2b29acf075fcbdbcc8feb5
Author: Tobias Burnus <[email protected]>
Date: Thu Apr 17 22:27:39 2025 +0200
c-15/changes: Fortran + offload (C++) updated | project/gomp: GCC 15 update
* The C++ support with offloading was extended; mention it under general
improvements and for Nvptx/GCN (as libstdc++ is now build by default).
* Generic support for AMD GPU required ROCm 6.4.0 - now released, we can
name that version.
* Fortran: 'do concurrent' locality-spec are now supported (local,
local_init,
shared, reduce, default(none).
In projects/gomp, the impl.status links have been updated, esp. for GCC
15/16.
diff --git a/htdocs/gcc-15/changes.html b/htdocs/gcc-15/changes.html
index b4200df3..45de966c 100644
--- a/htdocs/gcc-15/changes.html
+++ b/htdocs/gcc-15/changes.html
@@ -69,7 +69,8 @@ a work-in-progress.</p>
<li>
For offloading using OpenMP and OpenACC, issues preventing some
host–device architecture combinations have been resolved. In
particular,
- offloading from aarch64 hosts to nvptx devices is now supported.
+ offloading from aarch64 hosts to nvptx devices is now supported.
Additionally,
+ the support for using C++ in offload regions has been extended.
</li>
<li>
Improvements for compiling very large input files. The compile time for
@@ -592,6 +593,10 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
<h3 id="fortran">Fortran</h3>
<ul>
+ <li>
+ Fortran 2018 and 2023 locality specifiers to <code>do concurrent</code> are
+ now supported.
+ </li>
<li>
Experimental support for <code>unsigned</code> modular integers,
enabled by <code>-funsigned</code>;
@@ -665,6 +670,7 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
<h3 id="amdgcn">AMD GPU (GCN)</h3>
<ul>
+ <li>The standard C++ library (libstdc++) is now supported and enabled.</li>
<li>Experimental support for supporting generic devices has been added;
specifying <code>gfx9-generic</code>, <code>gfx10-3-generic</code>,
or <code>gfx11-generic</code> to
@@ -678,8 +684,8 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
<code>gfx1101</code>, <code>gfx1102</code>, <code>gfx1150</code>,
and <code>gfx1151</code>. To use any of the listed new devices including
the generic ones, GCC has to be configured to build the runtime library
- for the device. Note that generic support requires a future ROCm (newer
- than 6.3.2). For details, consult GCC's
+ for the device. Note that generic support requires ROCm 6.4.0 (or newer).
+ For details, consult GCC's
<a href="https://gcc.gnu.org/install/specific.html#amdgcn-x-amdhsa";>
installation notes</a>.</li>
<li>Support for Fiji (gfx803) devices has been removed (this was already
@@ -833,6 +839,7 @@ asm (".text; %cc0: mov %cc2, %%r0; .previous;"
<h3 id="nvptx">NVPTX</h3>
<ul>
+ <li>The standard C++ library (libstdc++) is now supported and enabled.</li>
<li>GCC's nvptx target now supports constructors and destructors.
For this, a recent version of <a
href="https://gcc.gnu.org/install/specific.html#nvptx-x-none";
diff --git a/htdocs/projects/gomp/index.html b/htdocs/projects/gomp/index.html
index dcb56a50..07b872ef 100644
--- a/htdocs/projects/gomp/index.html
+++ b/htdocs/projects/gomp/index.html
@@ -144,12 +144,14 @@ filing a <a href="../../bugs/">bug report</a>.</p>
<p>Implementation status in libgomp manual:
<a
href="https://gcc.gnu.org/onlinedocs/libgomp/OpenMP-Implementation-Status.html";
->Mainline (GCC 15)</a>,
-<a
href="https://gcc.gnu.org/onlinedocs/gcc-14.1.0/libgomp/OpenMP-Implementation-Status.html";
+>Mainline (GCC 16)</a>,
+<a
href="https://gcc.gnu.org/onlinedocs/gcc-15.1.0/libgomp/OpenMP-Implementation-Status.html";
+>GCC 15</a>,
+<a
href="https://gcc.gnu.org/onlinedocs/gcc-14.2.0/libgomp/OpenMP-Implementation-Status.html";
>GCC 14</a>,
-<a
href="https://gcc.gnu.org/onlinedocs/gcc-13.2.0/libgomp/OpenMP-Implementation-Status.html";
+<a
href="https://gcc.gnu.org/onlinedocs/gcc-13.3.0/libgomp/OpenMP-Implementation-Status.html";
>GCC 13</a>,
-<a
href="https://gcc.gnu.org/onlinedocs/gcc-12.3.0/libgomp/OpenMP-Implementation-Status.html";
+<a
href="https://gcc.gnu.org/onlinedocs/gcc-12.4.0/libgomp/OpenMP-Implementation-Status.html";
>GCC 12</a>.</p>
<p>Disclaimer: A feature might be only fully supported in a later GCC version
-----------------------------------------------------------------------
Summary of changes:
htdocs/gcc-15/changes.html | 13 ++++++++++---
htdocs/projects/gomp/index.html | 10 ++++++----
2 files changed, 16 insertions(+), 7 deletions(-)
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