diff --git a/lib/Target/Sparc/SparcISelDAGToDAG.cpp b/lib/Target/Sparc/SparcISelDAGToDAG.cpp
index 40fa95c..6e59631 100644
--- a/lib/Target/Sparc/SparcISelDAGToDAG.cpp
+++ b/lib/Target/Sparc/SparcISelDAGToDAG.cpp
@@ -140,9 +140,10 @@
 
   // Turn FP extload into load/fextend
   setLoadXAction(ISD::EXTLOAD, MVT::f32, Expand);
-
   // Sparc doesn't have i1 sign extending load
   setLoadXAction(ISD::SEXTLOAD, MVT::i1, Promote);
+  // Turn FP truncstore into trunc + store.
+  setTruncStoreAction(MVT::f64, MVT::f32, Expand);
 
   // Custom legalize GlobalAddress nodes into LO/HI parts.
   setOperationAction(ISD::GlobalAddress, MVT::i32, Custom);