[llvm] r179564 - Update the release notes about the vectorizers.

[Nadav Rotem]

Author: nadav
Date: Mon Apr 15 17:10:39 2013
New Revision: 179564

URL: http://llvm.org/viewvc/llvm-project?rev=179564&view=rev
Log:
Update the release notes about the vectorizers.

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=179564&r1=179563&r2=179564&view=diff
==============================================================================
--- llvm/trunk/docs/ReleaseNotes.rst (original)
+++ llvm/trunk/docs/ReleaseNotes.rst Mon Apr 15 17:10:39 2013
@@ -119,6 +119,15 @@ has the following features:
 - Vectorization of function calls
 - Partial unrolling during vectorization
 
+The loop vectorizer is now enabled by default for -O3.
+
+SLP Vectorizer
+--------------
+
+LLVM now has a new SLP vectorizer. The new SLP vectorizer is not enabled by
+default but can be enabled using the clang flag -fslp-vectorize. The BB-vectorizer
+can also be enabled using the command line flag -fslp-vectorize-aggressive.
+
 R600 Backend
 ------------