diff options
author | Nate Begeman <natebegeman@mac.com> | 2006-01-16 07:59:13 +0000 |
---|---|---|
committer | Nate Begeman <natebegeman@mac.com> | 2006-01-16 07:59:13 +0000 |
commit | c02d98e335703d8aa51b42d9b22a1fa2ac5d6c33 (patch) | |
tree | 39423e4d23c05332a874acaa122d1dfefde21686 | |
parent | e598181889d8ab43c3924799fd310e68571186f1 (diff) |
Expand case for 64b Legalize, even though no one should end up using this
(itanium supports bswap natively, alpha should custom lower it using the
VAX floating point swapload, ha ha).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25356 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 47 |
1 files changed, 43 insertions, 4 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 5716a78d21..fcc3a95b74 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -2179,12 +2179,12 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { Tmp2 = LegalizeOp(Node->getOperand(1)); // RHS switch (TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0))) { case TargetLowering::Custom: { - Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1, Tmp2); + Result = DAG.getNode(Node->getOpcode(), Node->getValueType(0), Tmp1,Tmp2); SDOperand Tmp = TLI.LowerOperation(Result, DAG); if (Tmp.Val) { - Tmp = LegalizeOp(Tmp); // Relegalize input. - AddLegalizedOperand(Op, Tmp); - return Tmp; + Tmp = LegalizeOp(Tmp); // Relegalize input. + AddLegalizedOperand(Op, Tmp); + return Tmp; } //else it was considered legal and we fall through } case TargetLowering::Legal: @@ -2276,6 +2276,45 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); Result = DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); break; + case MVT::i64: { + SDOperand Tmp5, Tmp6, Tmp7, Tmp8; + Tmp8 = DAG.getNode(ISD::SHL, VT, Tmp1, + DAG.getConstant(56, TLI.getShiftAmountTy())); + Tmp7 = DAG.getNode(ISD::SHL, VT, Tmp1, + DAG.getConstant(40, TLI.getShiftAmountTy())); + Tmp6 = DAG.getNode(ISD::SHL, VT, Tmp1, + DAG.getConstant(24, TLI.getShiftAmountTy())); + Tmp5 = DAG.getNode(ISD::SHL, VT, Tmp1, + DAG.getConstant(8, TLI.getShiftAmountTy())); + Tmp4 = DAG.getNode(ISD::SRL, VT, Tmp1, + DAG.getConstant(8, TLI.getShiftAmountTy())); + Tmp3 = DAG.getNode(ISD::SRL, VT, Tmp1, + DAG.getConstant(24, TLI.getShiftAmountTy())); + Tmp2 = DAG.getNode(ISD::SRL, VT, Tmp1, + DAG.getConstant(40, TLI.getShiftAmountTy())); + Tmp1 = DAG.getNode(ISD::SRL, VT, Tmp1, + DAG.getConstant(56, TLI.getShiftAmountTy())); + Tmp7 = DAG.getNode(ISD::AND, VT, Tmp7, + DAG.getConstant(0x00FF000000000000ULL, VT)); + Tmp6 = DAG.getNode(ISD::AND, VT, Tmp7, + DAG.getConstant(0x0000FF0000000000ULL, VT)); + Tmp5 = DAG.getNode(ISD::AND, VT, Tmp7, + DAG.getConstant(0x000000FF00000000ULL, VT)); + Tmp4 = DAG.getNode(ISD::AND, VT, Tmp7, + DAG.getConstant(0x00000000FF000000ULL, VT)); + Tmp3 = DAG.getNode(ISD::AND, VT, Tmp7, + DAG.getConstant(0x0000000000FF0000ULL, VT)); + Tmp2 = DAG.getNode(ISD::AND, VT, Tmp7, + DAG.getConstant(0x000000000000FF00ULL, VT)); + Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp7); + Tmp6 = DAG.getNode(ISD::OR, VT, Tmp6, Tmp5); + Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp3); + Tmp2 = DAG.getNode(ISD::OR, VT, Tmp2, Tmp1); + Tmp8 = DAG.getNode(ISD::OR, VT, Tmp8, Tmp6); + Tmp4 = DAG.getNode(ISD::OR, VT, Tmp4, Tmp2); + Result = DAG.getNode(ISD::OR, VT, Tmp8, Tmp4); + break; + } } break; } |