[llvm] r177848 - Mention the new TableGen pattern format in the release notes.

[Jakob Stoklund Olesen]

Author: stoklund
Date: Sun Mar 24 19:36:53 2013
New Revision: 177848

URL: http://llvm.org/viewvc/llvm-project?rev=177848&view=rev
Log:
Mention the new TableGen pattern format in the release notes.

Make threats about removing the old syntax.

Modified:
    llvm/trunk/docs/ReleaseNotes.rst

Modified: llvm/trunk/docs/ReleaseNotes.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/ReleaseNotes.rst?rev=177848&r1=177847&r2=177848&view=diff
==============================================================================
--- llvm/trunk/docs/ReleaseNotes.rst (original)
+++ llvm/trunk/docs/ReleaseNotes.rst Sun Mar 24 19:36:53 2013
@@ -64,6 +64,12 @@ Non-comprehensive list of changes in thi
   attributes, which are useful for passing information to code generation. See
   :doc:`HowToUseAttributes` for more details.
 
+* TableGen's syntax for instruction selection patterns has been simplified.
+  Instead of specifying types indirectly with register classes, you should now
+  specify types directly in the input patterns. See ``SparcInstrInfo.td`` for
+  examples of the new syntax. The old syntax using register classes still
+  works, but it will be removed in a future LLVM release.
+
 * ... next change ...
 
 .. NOTE