diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 96edfea1213..f953bf2bc7f 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -9470,7 +9470,7 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const {
   case X86ISD::PINSRB:             return "X86ISD::PINSRB";
   case X86ISD::PINSRW:             return "X86ISD::PINSRW";
   case X86ISD::PSHUFB:             return "X86ISD::PSHUFB";
-  case X86ISD::PANDN:              return "X86ISD::PANDN";
+  case X86ISD::ANDNP:              return "X86ISD::ANDNP";
   case X86ISD::PSIGNB:             return "X86ISD::PSIGNB";
   case X86ISD::PSIGNW:             return "X86ISD::PSIGNW";
   case X86ISD::PSIGND:             return "X86ISD::PSIGND";
@@ -11821,7 +11821,7 @@ static SDValue PerformAndCombine(SDNode *N, SelectionDAG &DAG,
   if (R.getNode())
     return R;
 
-  // Want to form PANDN nodes, in the hopes of then easily combining them with
+  // Want to form ANDNP nodes, in the hopes of then easily combining them with
   // OR and AND nodes to form PBLEND/PSIGN.
   EVT VT = N->getValueType(0);
   if (VT != MVT::v2i64)
@@ -11834,12 +11834,12 @@ static SDValue PerformAndCombine(SDNode *N, SelectionDAG &DAG,
   // Check LHS for vnot
   if (N0.getOpcode() == ISD::XOR &&
       ISD::isBuildVectorAllOnes(N0.getOperand(1).getNode()))
-    return DAG.getNode(X86ISD::PANDN, DL, VT, N0.getOperand(0), N1);
+    return DAG.getNode(X86ISD::ANDNP, DL, VT, N0.getOperand(0), N1);
 
   // Check RHS for vnot
   if (N1.getOpcode() == ISD::XOR &&
       ISD::isBuildVectorAllOnes(N1.getOperand(1).getNode()))
-    return DAG.getNode(X86ISD::PANDN, DL, VT, N1.getOperand(0), N0);
+    return DAG.getNode(X86ISD::ANDNP, DL, VT, N1.getOperand(0), N0);
 
   return SDValue();
 }
@@ -11865,10 +11865,10 @@ static SDValue PerformOrCombine(SDNode *N, SelectionDAG &DAG,
   if (Subtarget->hasSSSE3()) {
     if (VT == MVT::v2i64) {
       // Canonicalize pandn to RHS
-      if (N0.getOpcode() == X86ISD::PANDN)
+      if (N0.getOpcode() == X86ISD::ANDNP)
         std::swap(N0, N1);
       // or (and (m, x), (pandn m, y))
-      if (N0.getOpcode() == ISD::AND && N1.getOpcode() == X86ISD::PANDN) {
+      if (N0.getOpcode() == ISD::AND && N1.getOpcode() == X86ISD::ANDNP) {
         SDValue Mask = N1.getOperand(0);
         SDValue X    = N1.getOperand(1);
         SDValue Y;
@@ -11877,7 +11877,7 @@ static SDValue PerformOrCombine(SDNode *N, SelectionDAG &DAG,
         if (N0.getOperand(1) == Mask)
           Y = N0.getOperand(0);
 
-        // Check to see if the mask appeared in both the AND and PANDN and
+        // Check to see if the mask appeared in both the AND and ANDNP and
         if (!Y.getNode())
           return SDValue();
 
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h
index d9c883f1c37..80f1323c9ba 100644
--- a/lib/Target/X86/X86ISelLowering.h
+++ b/lib/Target/X86/X86ISelLowering.h
@@ -169,8 +169,8 @@ namespace llvm {
       /// PSHUFB - Shuffle 16 8-bit values within a vector.
       PSHUFB,
 
-      /// PANDN - and with not'd value.
-      PANDN,
+      /// ANDNP - Bitwise Logical AND NOT of Packed FP values.
+      ANDNP,
 
       /// PSIGNB/W/D - Copy integer sign.
       PSIGNB, PSIGNW, PSIGND,
diff --git a/lib/Target/X86/X86InstrFragmentsSIMD.td b/lib/Target/X86/X86InstrFragmentsSIMD.td
index 0d6ff38a91d..67a5a345be8 100644
--- a/lib/Target/X86/X86InstrFragmentsSIMD.td
+++ b/lib/Target/X86/X86InstrFragmentsSIMD.td
@@ -46,7 +46,7 @@ def X86cmpsd   : SDNode<"X86ISD::FSETCCsd",    SDTX86Cmpsd>;
 def X86pshufb  : SDNode<"X86ISD::PSHUFB",
                  SDTypeProfile<1, 2, [SDTCisVT<0, v16i8>, SDTCisSameAs<0,1>,
                                       SDTCisSameAs<0,2>]>>;
-def X86pandn   : SDNode<"X86ISD::PANDN", 
+def X86andnp   : SDNode<"X86ISD::ANDNP",
                  SDTypeProfile<1, 2, [SDTCisVT<0, v2i64>, SDTCisSameAs<0,1>,
                                       SDTCisSameAs<0,2>]>>;
 def X86psignb  : SDNode<"X86ISD::PSIGNB", 
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 93902d171ab..72b383000af 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -1558,11 +1558,11 @@ defm XOR  : sse12_fp_packed_logical<0x57, "xor", xor>;
 let isCommutable = 0 in
   defm ANDN : sse12_fp_packed_logical<0x55, "andn", undef /* dummy */, 1, [
     // single r+r
-    [(set VR128:$dst, (X86pandn VR128:$src1, VR128:$src2))],
+    [(set VR128:$dst, (X86andnp VR128:$src1, VR128:$src2))],
     // double r+r
     [],
     // single r+m
-    [(set VR128:$dst, (X86pandn VR128:$src1, (memopv2i64 addr:$src2)))],
+    [(set VR128:$dst, (X86andnp VR128:$src1, (memopv2i64 addr:$src2)))],
     // double r+m
     []]>;