ReleaseNotes: -femultated-tls; by Chih-hung Hsieh

[oota-llvm.git] / docs / ReleaseNotes.rst

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 8f702d435d2c2f9f2485842b85d92c8c10ba48a5..93452bb734cc20eeca1f3715b6f0090720621c6e 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -98,6 +98,14 @@ Non-comprehensive list of changes in this release
   shared library. To enable this, pass ``-DLLVM_LINK_LLVM_DYLIB=ON`` to CMake.
   See `Building LLVM with CMake`_ for more details.
 
+* The optimization to move the prologue and epilogue of functions in colder
+  code path (shrink-wrapping) is now enabled by default.
+
+* A new target-independent gcc-compatible emulated Thread Local Storage mode
+  is added.  When ``-femultated-tls`` flag is used, all accesses to TLS
+  variables are converted to calls to ``__emutls_get_address`` in the runtime
+  library.
+
 .. NOTE
    For small 1-3 sentence descriptions, just add an entry at the end of
    this list. If your description won't fit comfortably in one bullet
@@ -227,7 +235,7 @@ Changes to the X86 Target
 * More efficient code for wide integer compares. (E.g. 64-bit compares
   on 32-bit targets.)
 
-* Tail call support for ``thiscall``, ``stdcall`, ``vectorcall``, and
+* Tail call support for ``thiscall``, ``stdcall``, ``vectorcall``, and
   ``fastcall`` functions.
 
 Changes to the Hexagon Target