Index: i386.c
===================================================================
--- i386.c      (revision 194833)
+++ i386.c      (working copy)
@@ -2014,7 +2014,7 @@

   /* X86_TUNE_AVX128_OPTIMAL: Enable 128-bit AVX instruction generation for
      the auto-vectorizer.  */
-  m_BDVER,
+  m_BDVER | m_BTVER2,

   /* X86_TUNE_REASSOC_INT_TO_PARALLEL: Try to produce parallel computations
      during reassociation of integer computation.  */