diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 71f7bc4f194a..5cc9271debcf 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-18  Jan Hubicka  <jh@suse.cz>
+
+	* config/i386/i386.c (atom_cost): Disable SSE loop until alignment
+	issues are fixed.
+
 2011-11-18  Anatoly Sokolov  <aesok@post.ru>
 
 	* config/cris/cris.c (cris_function_value_regno_p): Make static.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 7e8f1a4225b8..e1975246059a 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1783,18 +1783,18 @@ struct processor_costs atom_cost = {
   /* stringop_algs for memcpy.  
      SSE loops works best on Atom, but fall back into non-SSE unrolled loop variant
      if that fails.  */
-  {{{libcall, {{4096, sse_loop}, {4096, unrolled_loop}, {-1, libcall}}}, /* Known alignment.  */
-    {libcall, {{4096, sse_loop}, {4096, unrolled_loop}, {-1, libcall}}}},
-   {{libcall, {{2048, sse_loop}, {2048, unrolled_loop}, {-1, libcall}}}, /* Unknown alignment.  */
-    {libcall, {{2048, sse_loop}, {2048, unrolled_loop},
+  {{{libcall, {{4096, unrolled_loop}, {-1, libcall}}}, /* Known alignment.  */
+    {libcall, {{4096, unrolled_loop}, {-1, libcall}}}},
+   {{libcall, {{2048, unrolled_loop}, {-1, libcall}}}, /* Unknown alignment.  */
+    {libcall, {{2048, unrolled_loop},
 	       {-1, libcall}}}}},
 
   /* stringop_algs for memset.  */
-  {{{libcall, {{4096, sse_loop}, {4096, unrolled_loop}, {-1, libcall}}}, /* Known alignment.  */
-    {libcall, {{4096, sse_loop}, {4096, unrolled_loop}, {-1, libcall}}}},
-   {{libcall, {{1024, sse_loop}, {1024, unrolled_loop},	 /* Unknown alignment.  */
+  {{{libcall, {{4096, unrolled_loop}, {-1, libcall}}}, /* Known alignment.  */
+    {libcall, {{4096, unrolled_loop}, {-1, libcall}}}},
+   {{libcall, {{1024, unrolled_loop},	 /* Unknown alignment.  */
 	       {-1, libcall}}},
-    {libcall, {{2048, sse_loop}, {2048, unrolled_loop},
+    {libcall, {{2048, unrolled_loop},
 	       {-1, libcall}}}}},
   1,					/* scalar_stmt_cost.  */
   1,					/* scalar load_cost.  */