diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp index b70b3cccd88d..1c6fcd73600c 100644 --- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp @@ -1602,25 +1602,10 @@ static SDOperand LowerMUL(SDOperand Op, SelectionDAG &DAG) { } else if (Op.getValueType() == MVT::v8i16) { SDOperand LHS = Op.getOperand(0), RHS = Op.getOperand(1); - // Multiply the even 16-bit parts, producing 32-bit sums. - SDOperand EvenParts = BuildIntrinsicOp(Intrinsic::ppc_altivec_vmuleuh, - LHS, RHS, DAG, MVT::v4i32); - EvenParts = DAG.getNode(ISD::BIT_CONVERT, MVT::v8i16, EvenParts); - - // Multiply the odd 16-bit parts, producing 32-bit sums. - SDOperand OddParts = BuildIntrinsicOp(Intrinsic::ppc_altivec_vmulouh, - LHS, RHS, DAG, MVT::v4i32); - OddParts = DAG.getNode(ISD::BIT_CONVERT, MVT::v8i16, OddParts); + SDOperand Zero = BuildSplatI(0, 1, MVT::v8i16, DAG); - // Merge the results together. - std::vector Ops; - for (unsigned i = 0; i != 4; ++i) { - Ops.push_back(DAG.getConstant(2*i+1, MVT::i16)); - Ops.push_back(DAG.getConstant(2*i+1+8, MVT::i16)); - } - - return DAG.getNode(ISD::VECTOR_SHUFFLE, MVT::v8i16, EvenParts, OddParts, - DAG.getNode(ISD::BUILD_VECTOR, MVT::v8i16, Ops)); + return BuildIntrinsicOp(Intrinsic::ppc_altivec_vmladduhm, + LHS, RHS, Zero, DAG); } else if (Op.getValueType() == MVT::v16i8) { SDOperand LHS = Op.getOperand(0), RHS = Op.getOperand(1);