Temporarily revert my last change. It is causing a bootstrap failure.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62405 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index c5124f8..6dae08d 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -121,7 +121,11 @@
       setOperationAction(ISD::UINT_TO_FP   , MVT::i64  , Custom);
 
       // We have faster algorithm for ui32->single only.
+#if 0
       setOperationAction(ISD::UINT_TO_FP   , MVT::i32  , Custom);
+#else
+      setOperationAction(ISD::UINT_TO_FP   , MVT::i32  , Expand);
+#endif
     } else
       setOperationAction(ISD::UINT_TO_FP   , MVT::i32  , Promote);
   }