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Allow custom expand of mul

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30402 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-09-16 00:09:24 +00:00
parent d42235051b
commit 7d7bffe157
1 changed files with 9 additions and 0 deletions
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9
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -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;