[NFC][AArch64] Add relnote saying SVE2.1 and SME2.1 now fully implemented by ACLE

[jthackray]

No description provided.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Jonathan Thackray (jthackray)

Changes

---

Full diff: https://github.com/llvm/llvm-project/pull/122705.diff

1 Files Affected:

• (modified) clang/docs/ReleaseNotes.rst (+3)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index a14fb189c8e132..17551f264dd881 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -1045,6 +1045,9 @@ X86 Support
 Arm and AArch64 Support
 ^^^^^^^^^^^^^^^^^^^^^^^
 
+- Support for SVE2.1 and SME2.1 using the Arm C Language Extensions (ACLE) is
+  now fully implemented.
+
 - In the ARM Target, the frame pointer (FP) of a leaf function can be retained
   by using the ``-fno-omit-frame-pointer`` option. If you want to eliminate the FP
   in leaf functions after enabling ``-fno-omit-frame-pointer``, you can do so by adding

[CarolineConcatto]

Thank you Jonathan!