diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index b2b30fe387c..f9184f693db 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -1052,7 +1052,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::VSELECT, MVT::v8i32, Legal); setOperationAction(ISD::VSELECT, MVT::v8f32, Legal); - if (Subtarget->hasFMA()) { + if (Subtarget->hasFMA() || Subtarget->hasFMA4()) { setOperationAction(ISD::FMA, MVT::v8f32, Custom); setOperationAction(ISD::FMA, MVT::v4f64, Custom); setOperationAction(ISD::FMA, MVT::v4f32, Custom); @@ -15606,7 +15606,8 @@ static SDValue PerformFMACombine(SDNode *N, SelectionDAG &DAG, return SDValue(); EVT ScalarVT = VT.getScalarType(); - if ((ScalarVT != MVT::f32 && ScalarVT != MVT::f64) || !Subtarget->hasFMA()) + if ((ScalarVT != MVT::f32 && ScalarVT != MVT::f64) || + (!Subtarget->hasFMA() && !Subtarget->hasFMA4())) return SDValue(); SDValue A = N->getOperand(0); @@ -15628,9 +15629,10 @@ static SDValue PerformFMACombine(SDNode *N, SelectionDAG &DAG, unsigned Opcode; if (!NegMul) - Opcode = (!NegC)? X86ISD::FMADD : X86ISD::FMSUB; + Opcode = (!NegC) ? X86ISD::FMADD : X86ISD::FMSUB; else - Opcode = (!NegC)? X86ISD::FNMADD : X86ISD::FNMSUB; + Opcode = (!NegC) ? X86ISD::FNMADD : X86ISD::FNMSUB; + return DAG.getNode(Opcode, dl, VT, A, B, C); } |
