diff options
| author | Sanjiv Gupta <sanjiv.gupta@microchip.com> | 2009-07-27 02:44:46 +0000 |
|---|---|---|
| committer | Sanjiv Gupta <sanjiv.gupta@microchip.com> | 2009-07-27 02:44:46 +0000 |
| commit | 8e14eab07e5e38f014536ebfcd0ee4443f13d560 (patch) | |
| tree | dbc3d60a9bb77fff936f28f3b86b15fe4fac35c4 | |
| parent | bf36cafb8c3866cde3a642377f364eddd963aa66 (diff) | |
Generate a libcall for i8 multiply.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77179 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/PIC16/PIC16ISelLowering.cpp | 15 | ||||
| -rw-r--r-- | lib/Target/PIC16/PIC16ISelLowering.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp index 5949b7b097..13d9654cb0 100644 --- a/lib/Target/PIC16/PIC16ISelLowering.cpp +++ b/lib/Target/PIC16/PIC16ISelLowering.cpp @@ -928,6 +928,19 @@ SDValue PIC16TargetLowering::LowerShift(SDValue Op, SelectionDAG &DAG) { return Call; } +SDValue PIC16TargetLowering::LowerMUL(SDValue Op, SelectionDAG &DAG) { + // We should have handled larger operands in type legalizer itself. + assert (Op.getValueType() == MVT::i8 && "illegal multiply to lower"); + + SDNode *N = Op.getNode(); + SmallVector<SDValue, 2> Ops(2); + Ops[0] = N->getOperand(0); + Ops[1] = N->getOperand(1); + SDValue Call = MakePIC16Libcall(PIC16ISD::MUL_I8, N->getValueType(0), + &Ops[0], 2, true, DAG, N->getDebugLoc()); + return Call; +} + void PIC16TargetLowering::LowerOperationWrapper(SDNode *N, SmallVectorImpl<SDValue>&Results, @@ -975,6 +988,8 @@ SDValue PIC16TargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) { return ExpandLoad(Op.getNode(), DAG); case ISD::STORE: return ExpandStore(Op.getNode(), DAG); + case ISD::MUL: + return LowerMUL(Op, DAG); case ISD::SHL: case ISD::SRA: case ISD::SRL: diff --git a/lib/Target/PIC16/PIC16ISelLowering.h b/lib/Target/PIC16/PIC16ISelLowering.h index b40ea12c15..69cc27071d 100644 --- a/lib/Target/PIC16/PIC16ISelLowering.h +++ b/lib/Target/PIC16/PIC16ISelLowering.h @@ -84,6 +84,7 @@ namespace llvm { virtual MVT getSetCCResultType(MVT ValType) const; SDValue LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG); SDValue LowerShift(SDValue Op, SelectionDAG &DAG); + SDValue LowerMUL(SDValue Op, SelectionDAG &DAG); SDValue LowerADD(SDValue Op, SelectionDAG &DAG); SDValue LowerSUB(SDValue Op, SelectionDAG &DAG); SDValue LowerBinOp(SDValue Op, SelectionDAG &DAG); |