diff --git a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
index 9e3f14ccaf01..705dd783fc36 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -49,9 +49,11 @@ static std::string getDataLayoutString(const PPCSubtarget &ST) {
   // documentation are wrong; these are correct (i.e. "what gcc does").
   if (ST.isPPC64() || ST.isSVR4ABI())
     Ret += "-i64:64";
+  else
+    Ret += "-f64:32:64";
 
   // Set support for 128 floats depending on the ABI.
-  if (!ST.isPPC64() || !ST.isSVR4ABI())
+  if (!ST.isPPC64() && ST.isSVR4ABI())
     Ret += "-f128:64:128";
 
   // PPC64 has 32 and 64 bit registers, PPC32 has only 32 bit ones.