diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index 0ed1112..6f4d923 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -259,6 +259,7 @@ PPCTargetLowering::PPCTargetLowering(PPCTargetMachine &TM) setOperationAction(ISD::UDIV, (MVT::ValueType)VT, Expand); setOperationAction(ISD::UREM, (MVT::ValueType)VT, Expand); setOperationAction(ISD::FDIV, (MVT::ValueType)VT, Expand); + setOperationAction(ISD::FNEG, (MVT::ValueType)VT, Expand); setOperationAction(ISD::EXTRACT_VECTOR_ELT, (MVT::ValueType)VT, Expand); setOperationAction(ISD::INSERT_VECTOR_ELT, (MVT::ValueType)VT, Expand); setOperationAction(ISD::BUILD_VECTOR, (MVT::ValueType)VT, Expand); @@ -523,6 +524,16 @@ bool PPC::isSplatShuffleMask(SDNode *N, unsigned EltSize) { return true; } +/// isAllNegativeZeroVector - Returns true if all elements of build_vector +/// are -0.0. +bool PPC::isAllNegativeZeroVector(SDNode *N) { + assert(N->getOpcode() == ISD::BUILD_VECTOR); + if (PPC::isSplatShuffleMask(N, N->getNumOperands())) + if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N)) + return CFP->isExactlyValue(-0.0); + return false; +} + /// getVSPLTImmediate - Return the appropriate VSPLT* immediate to splat the /// specified isSplatShuffleMask VECTOR_SHUFFLE mask. unsigned PPC::getVSPLTImmediate(SDNode *N, unsigned EltSize) { |