Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.393 -> 1.394
---
Log message:
Allow custom expand of mul
---
Diffs of the changes: (+9 -0)
LegalizeDAG.cpp | 9 +++++++++
1 files changed, 9 insertions(+)
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.393
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.394
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.393 Tue Sep 12 22:50:39 2006
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Fri Sep 15 19:09:24 2006
@@ -4693,6 +4693,15 @@
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;
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