Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.365 -> 1.366
---
Log message:
Add support for promoting stores from one legal type to another, allowing us
to write one pattern for vector stores instead of 4.
---
Diffs of the changes: (+8 -0)
LegalizeDAG.cpp | 8 ++++++++
1 files changed, 8 insertions(+)
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.365
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.366
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.365 Fri Apr 14 01:08:35 2006
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Sat Apr 15 20:36:45 2006
@@ -1544,6 +1544,13 @@
Tmp1 = TLI.LowerOperation(Result, DAG);
if (Tmp1.Val) Result = Tmp1;
break;
+ case TargetLowering::Promote:
+ assert(MVT::isVector(VT) && "Unknown legal promote case!");
+ Tmp3 = DAG.getNode(ISD::BIT_CONVERT,
+ TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3);
+ Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2,
+ Node->getOperand(3));
+ break;
}
break;
}
@@ -1576,6 +1583,7 @@
Tmp3 = PackVectorOp(Node->getOperand(1), TVT);
Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2,
Node->getOperand(3));
+ Result = LegalizeOp(Result);
break;
} else if (NumElems == 1) {
// Turn this into a normal store of the scalar type.
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