Add change of crc32 intrinsic to release notes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132212 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index afee19b..40adbc6 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -696,6 +696,12 @@
 <li>The MC assembler supports 3dNow! and 3DNowA instructions.</li>
   
 <li>Several bugs have been fixed for Windows x64 code generator.</li>
+
+<li>The CRC32 intrinsics have been renamed.  The intrinsics were previously
+  @llvm.x86.sse42.crc32.[8|16|32] and @llvm.x86.sse42.crc64.[8|64].  They have
+  been renamed to @llvm.x86.sse42.crc32.32.[8|16|32] and 
+  @llvm.x86.sse42.crc32.64.[8|64].</li>
+
 </ul>
 
 </div>