diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index b0fa74d8c2..d4de67f097 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -920,10 +920,14 @@ SDOperand X86TargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) { std::vector<SDOperand> Ops; Ops.push_back(Op.getOperand(0)); SDOperand rd = DAG.getNode(X86ISD::RDTSC_DAG, Tys, Ops); - SDOperand Lo = DAG.getCopyFromReg(rd, X86::EAX, MVT::i32, rd.getValue(1)); - SDOperand Hi = DAG.getCopyFromReg(Lo.getValue(1), X86::EDX, - MVT::i32, Lo.getValue(2)); - return DAG.getNode(ISD::BUILD_PAIR, MVT::i64, Lo, Hi); + Ops.clear(); + Ops.push_back(DAG.getCopyFromReg(rd, X86::EAX, MVT::i32, rd.getValue(1))); + Ops.push_back(DAG.getCopyFromReg(Ops[0].getValue(1), X86::EDX, + MVT::i32, Ops[0].getValue(2))); + Ops.push_back(Ops[1].getValue(1)); + Tys[0] = Tys[1] = MVT::i32; + Tys.push_back(MVT::Other); + return DAG.getNode(ISD::MERGE_VALUES, Tys, Ops); } } } |