diff --git a/CodeGen/CGExprComplex.cpp b/CodeGen/CGExprComplex.cpp
index 9c02641..ec5a1bc 100644
--- a/CodeGen/CGExprComplex.cpp
+++ b/CodeGen/CGExprComplex.cpp
@@ -296,13 +296,14 @@
   // FIXME: Handle volatile!
   ComplexPairTy InVal = EmitLoadOfComplex(LV.getAddress(), false);
   
-  int AmountVal = isInc ? 1 : -1;
+  uint64_t AmountVal = isInc ? 1 : -1;
   
   llvm::Value *NextVal;
   if (isa<llvm::IntegerType>(InVal.first->getType()))
     NextVal = llvm::ConstantInt::get(InVal.first->getType(), AmountVal);
   else
-    NextVal = llvm::ConstantFP::get(InVal.first->getType(), AmountVal);
+    NextVal = llvm::ConstantFP::get(InVal.first->getType(), 
+                                    static_cast<double>(AmountVal));
   
   // Add the inc/dec to the real part.
   NextVal = Builder.CreateAdd(InVal.first, NextVal, isInc ? "inc" : "dec");
diff --git a/CodeGen/CGExprScalar.cpp b/CodeGen/CGExprScalar.cpp
index 3bb2678..96203f0 100644
--- a/CodeGen/CGExprScalar.cpp
+++ b/CodeGen/CGExprScalar.cpp
@@ -469,7 +469,8 @@
     if (isa<llvm::IntegerType>(InVal->getType()))
       NextVal = llvm::ConstantInt::get(InVal->getType(), AmountVal);
     else
-      NextVal = llvm::ConstantFP::get(InVal->getType(), AmountVal);
+      NextVal = llvm::ConstantFP::get(InVal->getType(), 
+                                      static_cast<double>(AmountVal));
     NextVal = Builder.CreateAdd(InVal, NextVal, isInc ? "inc" : "dec");
   }