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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_38@261035 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index c86aef48737d2989b1d679ef6a33a6d3ca69b0d9..93452bb734cc20eeca1f3715b6f0090720621c6e 100644 (file)
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -101,6 +101,11 @@ Non-comprehensive list of changes in this release
 * 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