[clang][doc] Add release note for changes to -fveclib={ArmPL,SLEEF}

[MacDue]

Changed in #112580.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Benjamin Maxwell (MacDue)

Changes

Changed in #112580.

---

Full diff: https://github.com/llvm/llvm-project/pull/113673.diff

1 Files Affected:

• (modified) clang/docs/ReleaseNotes.rst (+5)

diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index ed0c0e369fca74..6a9d986eb704ad 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -302,6 +302,11 @@ Modified Compiler Flags
   the ``promoted`` algorithm for complex division when possible rather than the
   less basic (limited range) algorithm.
 
+- The ``-fveclib`` option has been updated to enable ``-fno-fast-math`` for
+  ``-fveclib=ArmPL`` and ``-fveclib=SLEEF``. This gives Clang more opportunities
+  to utilize these vector libraries. The behavior for all other vector function
+  libraries remains unchanged.
+
 Removed Compiler Flags
 -------------------------