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

Changed in llvm#112580.
MacDue · Oct 25, 2024 · fa75765 · fa75765
1 parent 86d65ae
commit fa75765
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diff --git 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
 -------------------------