[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

[Chris Lattner]

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;