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* gcc-wwwdocs branch master updated. 80469f94e7d5d9b96e2b525deb8fb8597985a622
@ 2022-09-08 19:00 Tobias Burnus
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From: Tobias Burnus @ 2022-09-08 19:00 UTC (permalink / raw)
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- Log -----------------------------------------------------------------
commit 80469f94e7d5d9b96e2b525deb8fb8597985a622
Author: Tobias Burnus <tobias@codesourcery.com>
Date: Thu Sep 8 21:00:14 2022 +0200
gcc-13/changes.html + projects/gomp/: OpenMP update
* htdocs/gcc-13/changes.html: Update OpenMP entry; fix html syntax.
* htdocs/projects/gomp/index.html: Update OpenMP 5.x implementation status;
add missing item from libgomp.texi + flip two items to have same order as
the .texi.
diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html
index 5b336e04..390193ca 100644
--- a/htdocs/gcc-13/changes.html
+++ b/htdocs/gcc-13/changes.html
@@ -44,14 +44,39 @@ a work-in-progress.</p>
<ul>
<li><a href="https://gcc.gnu.org/projects/gomp/">OpenMP</a>
<ul>
- <li>The following OpenMP 5.1 features have been added: the
- <code>omp_all_memory</code> reserved locator, the <code>inoutset</code>
- modifier to the <code>depend</code> clause, the <code>nowait</code>
- clause for the <code>taskwait</code> directive and the
- <code>omp_target_is_accessible</code>, <code>omp_target_memcpy_async</code>,
- <code>omp_target_memcpy_rect_async</code> and
- <code>omp_get_mapped_ptr</code> API routines. Fortran now supports
- non-rectangular loop nests, which were added for C/C++ in GCC 11.</li>
+ <li>
+ Reverse offload is now supported and the all clauses to the
+ <code>requires</code> directive are now accepted; however, the
+ <code>requires_offload</code>, <code>unified_address</code>
+ and <code>unified_shared_memory</code> clauses cause that the
+ only available device is the initial device (the host).
+ </li>
+ <li>
+ The following OpenMP 5.1 features have been added: the
+ <code>omp_all_memory</code> reserved locator, the <code>inoutset</code>
+ modifier to the <code>depend</code> clause, the <code>nowait</code>
+ clause for the <code>taskwait</code> directive and the
+ <code>omp_target_is_accessible</code>, <code>omp_target_memcpy_async</code>,
+ <code>omp_target_memcpy_rect_async</code> and
+ <code>omp_get_mapped_ptr</code> API routines. Fortran now supports
+ non-rectangular loop nests, which were added for C/C++ in GCC 11.
+ </li>
+ <li>
+ Initial support for OpenMP 5.2 features have been added: Support for
+ <code>firstprivate</code> and <code>allocate</code> clauses on the
+ <code>scope</code> construct and the OpenMP 5.2 syntax of the
+ <code>linear</code> clause; the new enum/constants
+ <code>omp_initial_device</code> and <code>omp_invalid_device</code>; and
+ optionally omitting the map-type in <code>target enter/exit data</code>.
+ The <code>enter</code> clause (as alias for <code>to</code>) has been added
+ to the <code>declare target</code> directive.
+ </li>
+ <li>
+ For user defined allocators requesting high bandwidth or large capacity
+ memspaces or interleaved partitioning, the <a
+ href="http://memkind.github.io/memkind/">memkind</a> library is used,
+ if available at runtime.
+ </li>
</ul>
</li>
<li>
diff --git a/htdocs/projects/gomp/index.html b/htdocs/projects/gomp/index.html
index edafa0d3..656564f5 100644
--- a/htdocs/projects/gomp/index.html
+++ b/htdocs/projects/gomp/index.html
@@ -307,8 +307,17 @@ than listed, depending on resolved corner cases and optimizations.</p>
</tr>
<tr>
<td><code>requires</code> directive</td>
- <td class="partial"><a href="../../gcc-9/changes.html#c-family">GCC 9</a><br><a href="../../gcc-12/changes.html#languages">GCC 12</a><br>–</td>
- <td>(<code>atomic_default_mem_order</code>)<br>(<code>dynamic_allocators</code>)<br>rest parsing only</td>
+ <td class="partial">
+ <a href="../../gcc-9/changes.html#c-family">GCC 9</a><br>
+ <a href="../../gcc-12/changes.html#languages">GCC 12</a><br>
+ <a href="../../gcc-13/changes.html#languages">GCC 13</a>
+ </td>
+ <td>
+ (<code>atomic_default_mem_order</code>)<br>
+ (<code>dynamic_allocators</code>)<br>
+ complete but no non-host devices provides <code>unified_address</code>,
+ <code>unified_shared_memory</code> or <code>reverse_offload</code>
+ </td>
</tr>
<tr>
<td><code>conditional</code> modifier to <code>lastprivate</code> clause</td>
@@ -417,8 +426,14 @@ than listed, depending on resolved corner cases and optimizations.</p>
</tr>
<tr>
<td><code>ancestor</code> modifier on <code>device</code> clause</td>
- <td class="partial"><a href="../../gcc-12/changes.html#languages">GCC 12</a></td>
- <td>Reverse offload unsupported</td>
+ <td class="supported">
+ <a href="../../gcc-12/changes.html#languages">GCC 12</a><br>
+ <a href="../../gcc-13/changes.html#languages">GCC 13</a>
+ </td>
+ <td>
+ Reverse offload unsupported<br>
+ See comment for <code>requires</code>
+ </td>
</tr>
<tr>
<td>Mapping C/C++ pointer variables and to assign the address of device memory mapped by an array section</td>
@@ -661,7 +676,7 @@ than listed, depending on resolved corner cases and optimizations.</p>
<td></td>
</tr>
<tr>
- <td>device-specific ICV settings the environment variables</td>
+ <td>device-specific ICV settings with environment variables</td>
<td class="unsupported">No</td>
<td></td>
</tr>
@@ -705,6 +720,12 @@ than listed, depending on resolved corner cases and optimizations.</p>
<td class="unsupported">No</td>
<td></td>
</tr>
+ <tr>
+ <td>Pointer predetermined firstprivate getting initialized
+ to address of matching mapped list item per 5.1, Sect. 2.21.7.2</td>
+ <td class="unsupported">No</td>
+ <td></td>
+ </tr>
<tr>
<td><code>ompt_sync_region_t</code> enum additions</td>
<td class="unsupported">No</td>
@@ -730,7 +751,6 @@ than listed, depending on resolved corner cases and optimizations.</p>
<td class="unsupported">No</td>
<td></td>
</tr>
- <tr>
</tbody>
</table>
@@ -862,8 +882,8 @@ than listed, depending on resolved corner cases and optimizations.</p>
<td></td>
</tr>
<tr>
- <td>Default map type for <code>map</code> clause in <code>target enter/exit data</code></td>
- <td class="unsupported">No</td>
+ <td>Default map-type for <code>map</code> clause in <code>target enter/exit data</code></td>
+ <td class="supported"><a href="../../gcc-13/changes.html#languages">GCC 13</a></td>
<td></td>
</tr>
<tr>
@@ -888,16 +908,16 @@ than listed, depending on resolved corner cases and optimizations.</p>
</tr>
<tr>
<td>Conforming device numbers and <code>omp_initial_device</code> and <code>omp_invalid_device</code> enum/PARAMETER</td>
- <td class="unsupported">No</td>
+ <td class="supported"><a href="../../gcc-13/changes.html#languages">GCC 13</a></td>
<td></td>
</tr>
<tr>
- <td><em>interop_types</em> in any position of the modifier list for the <code>init</code> clause of the <code>interop</code> construct</td>
+ <td>Initial value of <em>default-device-var</em> ICV with <code>OMP_TARGET_OFFLOAD=mandatory</code></td>
<td class="unsupported">No</td>
<td></td>
</tr>
<tr>
- <td>Initial value of <em>default-device-var</em> ICV with <code>OMP_TARGET_OFFLOAD=mandatory</code></td>
+ <td><em>interop_types</em> in any position of the modifier list for the <code>init</code> clause of the <code>interop</code> construct</td>
<td class="unsupported">No</td>
<td></td>
</tr>
-----------------------------------------------------------------------
Summary of changes:
htdocs/gcc-13/changes.html | 41 ++++++++++++++++++++++++++++++++--------
htdocs/projects/gomp/index.html | 42 ++++++++++++++++++++++++++++++-----------
2 files changed, 64 insertions(+), 19 deletions(-)
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2022-09-08 19:00 gcc-wwwdocs branch master updated. 80469f94e7d5d9b96e2b525deb8fb8597985a622 Tobias Burnus
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