diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index ea88264d95f..ed3f770afec 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -3517,6 +3517,16 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node) { RTLIB::FMA_F80, RTLIB::FMA_F128, RTLIB::FMA_PPCF128)); break; + case ISD::FADD: + Results.push_back(ExpandFPLibCall(Node, RTLIB::ADD_F32, RTLIB::ADD_F64, + RTLIB::ADD_F80, RTLIB::ADD_F128, + RTLIB::ADD_PPCF128)); + break; + case ISD::FMUL: + Results.push_back(ExpandFPLibCall(Node, RTLIB::MUL_F32, RTLIB::MUL_F64, + RTLIB::MUL_F80, RTLIB::MUL_F128, + RTLIB::MUL_PPCF128)); + break; case ISD::FP16_TO_FP: { if (Node->getValueType(0) == MVT::f32) { Results.push_back(ExpandLibCall(RTLIB::FPEXT_F16_F32, Node, false)); @@ -3549,12 +3559,16 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node) { } case ISD::FSUB: { EVT VT = Node->getValueType(0); - assert(TLI.isOperationLegalOrCustom(ISD::FADD, VT) && - TLI.isOperationLegalOrCustom(ISD::FNEG, VT) && - "Don't know how to expand this FP subtraction!"); - Tmp1 = DAG.getNode(ISD::FNEG, dl, VT, Node->getOperand(1)); - Tmp1 = DAG.getNode(ISD::FADD, dl, VT, Node->getOperand(0), Tmp1); - Results.push_back(Tmp1); + if (TLI.isOperationLegalOrCustom(ISD::FADD, VT) && + TLI.isOperationLegalOrCustom(ISD::FNEG, VT)) { + Tmp1 = DAG.getNode(ISD::FNEG, dl, VT, Node->getOperand(1)); + Tmp1 = DAG.getNode(ISD::FADD, dl, VT, Node->getOperand(0), Tmp1); + Results.push_back(Tmp1); + } else { + Results.push_back(ExpandFPLibCall(Node, RTLIB::SUB_F32, RTLIB::SUB_F64, + RTLIB::SUB_F80, RTLIB::SUB_F128, + RTLIB::SUB_PPCF128)); + } break; } case ISD::SUB: { |
