diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 2108f22cc5..8eddebd01a 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -4693,6 +4693,15 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ break; } case ISD::MUL: { + // If the target wants to custom expand this, let them. + if (TLI.getOperationAction(ISD::MUL, VT) == TargetLowering::Custom) { + Op = TLI.LowerOperation(Op, DAG); + if (Op.Val) { + ExpandOp(Op, Lo, Hi); + break; + } + } + bool HasMULHS = TLI.isOperationLegal(ISD::MULHS, NVT); bool HasMULHU = TLI.isOperationLegal(ISD::MULHU, NVT); bool UseLibCall = true; |