1 files changed, 0 insertions, 58 deletions
diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 5d5a344..84e90b7 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -642,64 +642,6 @@ SDOperand X86DAGToDAGISel::Select(SDOperand N) {
         return CodeGenMap[N] = CurDAG->getTargetNode(Opc, VT, Result);
       break;
     }
-
-    case X86ISD::FP_TO_INT16_IN_MEM:
-    case X86ISD::FP_TO_INT32_IN_MEM:
-    case X86ISD::FP_TO_INT64_IN_MEM: {
-      assert(N.getOperand(1).getValueType() == MVT::f64);
-
-      // Change the floating point control register to use "round towards zero"
-      // mode when truncating to an integer value.
-      MachineFunction &MF = CurDAG->getMachineFunction();
-      int CWFI = MF.getFrameInfo()->CreateStackObject(2, 2);
-      SDOperand CWSlot = CurDAG->getFrameIndex(CWFI, MVT::i32);
-      SDOperand Base, Scale, Index, Disp;
-      (void)SelectAddr(CWSlot, Base, Scale, Index, Disp);
-      SDOperand Chain = N.getOperand(0);
-
-      // Save the control word.
-      Chain = CurDAG->getTargetNode(X86::FNSTCW16m, MVT::Other,
-                                    Base, Scale, Index, Disp, Chain);
-
-      // Load the old value of the high byte of the control word.
-      SDOperand OldCW =
-        CurDAG->getTargetNode(X86::MOV16rm, MVT::i16, MVT::Other,
-                              Base, Scale, Index, Disp, Chain);
-      Chain = OldCW.getValue(1);
-
-      // Set the high part to be round to zero...
-      Chain = CurDAG->getTargetNode(X86::MOV16mi, MVT::Other,
-                                    Base, Scale, Index, Disp, 
-                                    CurDAG->getConstant(0xC7F, MVT::i16),
-                                    Chain);
-
-      // Reload the modified control word now...
-      Chain = CurDAG->getTargetNode(X86::FLDCW16m, MVT::Other,
-                                    Base, Scale, Index, Disp, Chain);
-
-      // Restore the memory image of control word to original value
-      Chain = CurDAG->getTargetNode(X86::MOV16mr, MVT::Other, 
-                                    Base, Scale, Index, Disp, OldCW, Chain);
-
-      switch (Opcode) {
-      default: assert(0 && "Unknown FP_TO_INT*_IN_MEM");
-      case X86ISD::FP_TO_INT16_IN_MEM: Opc = X86::FpIST16m; break;
-      case X86ISD::FP_TO_INT32_IN_MEM: Opc = X86::FpIST32m; break;
-      case X86ISD::FP_TO_INT64_IN_MEM: Opc = X86::FpIST64m; break;
-      }
-
-      SDOperand N1 = Select(N.getOperand(1));
-      SDOperand Base2, Scale2, Index2, Disp2;
-      (void)SelectAddr(N.getOperand(2), Base2, Scale2, Index2, Disp2);
-      Chain = CurDAG->getTargetNode(Opc, MVT::Other,
-                                    Base2, Scale2, Index2, Disp2, N1, Chain);
-
-      // Reload the modified control word now...
-      CodeGenMap[N] =
-        Chain = CurDAG->getTargetNode(X86::FLDCW16m, MVT::Other,
-                                      Base, Scale, Index, Disp, Chain);
-      return Chain;
-    }
   }
 
   return SelectCode(N);