From 7e5edf1a1ff9ed488aef321b2733ddf8e2c1e0c3 Mon Sep 17 00:00:00 2001 From: Duncan Sands Date: Thu, 17 Jul 2008 17:35:14 +0000 Subject: LegalizeTypes support for what seems to be the only missing ppc long double operations: FNEG and FP_EXTEND. llvm-svn: 53723 --- llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 16 ++++++++++++++++ llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h | 2 ++ 2 files changed, 18 insertions(+) (limited to 'llvm/lib/CodeGen') diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index b1edae8691c..888cec074dc 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -531,6 +531,8 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { case ISD::FADD: ExpandFloatRes_FADD(N, Lo, Hi); break; case ISD::FDIV: ExpandFloatRes_FDIV(N, Lo, Hi); break; case ISD::FMUL: ExpandFloatRes_FMUL(N, Lo, Hi); break; + case ISD::FNEG: ExpandFloatRes_FNEG(N, Lo, Hi); break; + case ISD::FP_EXTEND: ExpandFloatRes_FP_EXTEND(N, Lo, Hi); break; case ISD::FSUB: ExpandFloatRes_FSUB(N, Lo, Hi); break; case ISD::LOAD: ExpandFloatRes_LOAD(N, Lo, Hi); break; case ISD::SINT_TO_FP: @@ -609,6 +611,20 @@ void DAGTypeLegalizer::ExpandFloatRes_FMUL(SDNode *N, SDOperand &Lo, Lo = Call.getOperand(0); Hi = Call.getOperand(1); } +void DAGTypeLegalizer::ExpandFloatRes_FNEG(SDNode *N, SDOperand &Lo, + SDOperand &Hi) { + GetExpandedFloat(N->getOperand(0), Lo, Hi); + Lo = DAG.getNode(ISD::FNEG, Lo.getValueType(), Lo); + Hi = DAG.getNode(ISD::FNEG, Hi.getValueType(), Hi); +} + +void DAGTypeLegalizer::ExpandFloatRes_FP_EXTEND(SDNode *N, SDOperand &Lo, + SDOperand &Hi) { + MVT NVT = TLI.getTypeToTransformTo(N->getValueType(0)); + Hi = DAG.getNode(ISD::FP_EXTEND, NVT, N->getOperand(0)); + Lo = DAG.getConstantFP(APFloat(APInt(NVT.getSizeInBits(), 0)), NVT); +} + void DAGTypeLegalizer::ExpandFloatRes_FSUB(SDNode *N, SDOperand &Lo, SDOperand &Hi) { SDOperand Ops[2] = { N->getOperand(0), N->getOperand(1) }; diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h index 1959df5c17c..f6a5c6995a4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h @@ -374,6 +374,8 @@ private: void ExpandFloatRes_FADD (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandFloatRes_FDIV (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandFloatRes_FMUL (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_FNEG (SDNode *N, SDOperand &Lo, SDOperand &Hi); + void ExpandFloatRes_FP_EXTEND (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandFloatRes_FSUB (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandFloatRes_LOAD (SDNode *N, SDOperand &Lo, SDOperand &Hi); void ExpandFloatRes_XINT_TO_FP(SDNode *N, SDOperand &Lo, SDOperand &Hi); -- cgit v1.2.3