diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp index 2773e8b245..8f928747fc 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp @@ -759,6 +759,7 @@ void DAGTypeLegalizer::ExpandFloatResult(SDNode *N, unsigned ResNo) { case ISD::EXTRACT_VECTOR_ELT: ExpandRes_EXTRACT_VECTOR_ELT(N, Lo, Hi); break; case ISD::ConstantFP: ExpandFloatRes_ConstantFP(N, Lo, Hi); break; + case ISD::FABS: ExpandFloatRes_FABS(N, Lo, Hi); break; 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; @@ -799,6 +800,19 @@ void DAGTypeLegalizer::ExpandFloatRes_FADD(SDNode *N, SDOperand &Lo, Lo = Call.getOperand(0); Hi = Call.getOperand(1); } +void DAGTypeLegalizer::ExpandFloatRes_FABS(SDNode *N, SDOperand &Lo, + SDOperand &Hi) { + assert(N->getValueType(0) == MVT::ppcf128 && + "Logic only correct for ppcf128!"); + SDOperand Tmp; + GetExpandedFloat(N->getOperand(0), Lo, Tmp); + Hi = DAG.getNode(ISD::FABS, Tmp.getValueType(), Tmp); + // Lo = Hi==fabs(Hi) ? Lo : -Lo; + Lo = DAG.getNode(ISD::SELECT_CC, Lo.getValueType(), Tmp, Hi, Lo, + DAG.getNode(ISD::FNEG, Lo.getValueType(), Lo), + DAG.getCondCode(ISD::SETEQ)); +} + void DAGTypeLegalizer::ExpandFloatRes_FDIV(SDNode *N, SDOperand &Lo, SDOperand &Hi) { SDOperand Ops[2] = { N->getOperand(0), N->getOperand(1) }; |