diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 14bef43f530..23c3b70b563 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/46768
+	* config/i386/i386.c (initial_ix86_tune_features): Turn on
+	X86_TUNE_INTER_UNIT_MOVES for Core 2 and Core i7.
+
 2010-12-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* config.gcc: Allow corei7 for --with-arch=/--with-cpu=.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index f5fc2b607a6..fafa299db5a 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1846,7 +1846,7 @@ static unsigned int initial_ix86_tune_features[X86_TUNE_LAST] = {
   m_AMD_MULTIPLE,
 
   /* X86_TUNE_INTER_UNIT_MOVES */
-  ~(m_AMD_MULTIPLE | m_CORE2I7 | m_GENERIC),
+  ~(m_AMD_MULTIPLE | m_GENERIC),
 
   /* X86_TUNE_INTER_UNIT_CONVERSIONS */
   ~(m_AMDFAM10 | m_BDVER1),