[clang] 97cf5aa - [Clang] Add AArch64 SME changes to release notes (NFC) (#122899)

[via cfe-commits]

Author: Sander de Smalen
Date: 2025-01-14T16:21:58Z
New Revision: 97cf5aa1b2459b91ce402f2e4f64af3587824fcf

URL: https://github.com/llvm/llvm-project/commit/97cf5aa1b2459b91ce402f2e4f64af3587824fcf
DIFF: https://github.com/llvm/llvm-project/commit/97cf5aa1b2459b91ce402f2e4f64af3587824fcf.diff

LOG: [Clang] Add AArch64 SME changes to release notes (NFC) (#122899)

Added: 
    

Modified: 
    clang/docs/ReleaseNotes.rst

Removed: 
    


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diff  --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 794943b24a003c..61aa955ca9b9d4 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -1076,6 +1076,15 @@ Arm and AArch64 Support
   in leaf functions after enabling ``-fno-omit-frame-pointer``, you can do so by adding
   the ``-momit-leaf-frame-pointer`` option.
 
+- SME keyword attributes which apply to function types are now represented in the
+  mangling of the type. This means that ``void foo(void (*f)() __arm_streaming);``
+  now has a 
diff erent mangling from ``void foo(void (*f)());``.
+
+- The ``__arm_agnostic`` keyword attribute was added to let users describe
+  a function that preserves SME state enabled by PSTATE.ZA without having to share
+  this state with its callers and without making the assumption that this state
+  exists.
+
 - Support has been added for the following processors (-mcpu identifiers in parenthesis):
 
   For AArch64: