Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.363 -> 1.364 --- Log message: Promote vector AND, OR, and XOR --- Diffs of the changes: (+27 -0) LegalizeDAG.cpp | 27 +++++++++++++++++++++++++++ 1 files changed, 27 insertions(+) Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.363 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.364 --- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.363 Wed Apr 12 11:33:18 2006 +++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Wed Apr 12 16:20:24 2006 @@ -2076,6 +2076,25 @@ Result = DAG.getNode(ISD::BUILD_VECTOR, Node->getValueType(0), Ops); break; } + case TargetLowering::Promote: { + switch (Node->getOpcode()) { + default: assert(0 && "Do not know how to promote this BinOp!"); + case ISD::AND: + case ISD::OR: + case ISD::XOR: { + MVT::ValueType OVT = Node->getValueType(0); + MVT::ValueType NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), OVT); + assert(MVT::isVector(OVT) && "Cannot promote this BinOp!"); + // Bit convert each of the values to the new type. + Tmp1 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp1); + Tmp2 = DAG.getNode(ISD::BIT_CONVERT, NVT, Tmp2); + Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); + // Bit convert the result back the original type. + Result = DAG.getNode(ISD::BIT_CONVERT, OVT, Result); + break; + } + } + } } break; @@ -2953,6 +2972,14 @@ case ISD::AND: case ISD::OR: case ISD::XOR: + // The input may have strange things in the top bits of the registers, but + // these operations don't care. They may have weird bits going out, but + // that too is okay if they are integer operations. + Tmp1 = PromoteOp(Node->getOperand(0)); + Tmp2 = PromoteOp(Node->getOperand(1)); + assert(Tmp1.getValueType() == NVT && Tmp2.getValueType() == NVT); + Result = DAG.getNode(Node->getOpcode(), NVT, Tmp1, Tmp2); + break; case ISD::ADD: case ISD::SUB: case ISD::MUL: _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits