diff --git a/lib/Target/PowerPC/PPC64ISelPattern.cpp b/lib/Target/PowerPC/PPC64ISelPattern.cpp
index 54f540f..a654adc 100644
--- a/lib/Target/PowerPC/PPC64ISelPattern.cpp
+++ b/lib/Target/PowerPC/PPC64ISelPattern.cpp
@@ -41,6 +41,9 @@
     int ReturnAddrIndex;              // FrameIndex for return slot.
   public:
     PPC64TargetLowering(TargetMachine &TM) : TargetLowering(TM) {
+      // Fold away setcc operations if possible.
+      setSetCCIsExpensive();
+
       // Set up the register classes.
       addRegisterClass(MVT::i64, PPC64::GPRCRegisterClass);
       addRegisterClass(MVT::f32, PPC64::FPRCRegisterClass);
diff --git a/lib/Target/PowerPC/PPCISelPattern.cpp b/lib/Target/PowerPC/PPCISelPattern.cpp
index 536a077..3281313 100644
--- a/lib/Target/PowerPC/PPCISelPattern.cpp
+++ b/lib/Target/PowerPC/PPCISelPattern.cpp
@@ -43,6 +43,9 @@
     int ReturnAddrIndex;              // FrameIndex for return slot.
   public:
     PPC32TargetLowering(TargetMachine &TM) : TargetLowering(TM) {
+      // Fold away setcc operations if possible.
+      setSetCCIsExpensive();
+
       // Set up the register classes.
       addRegisterClass(MVT::i32, PPC32::GPRCRegisterClass);
       addRegisterClass(MVT::f32, PPC32::FPRCRegisterClass);