diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 13f45ff7a73..1035331f0fa 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2009-04-30  Michael Matz  <matz@suse.de>
+
+        PR tree-optimization/39955
+        * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
+
 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
 
 	* ira.c (setup_cover_and_important_classes):  Use safe macro
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 38155a85362..00cf3bdcd2f 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -11545,6 +11545,7 @@ rs6000_check_sdmode (tree *tp, int *walk_subtrees, void *data ATTRIBUTE_UNUSED)
     case PARM_DECL:
     case FIELD_DECL:
     case RESULT_DECL:
+    case SSA_NAME:
     case REAL_CST:
     case INDIRECT_REF:
     case ALIGN_INDIRECT_REF: