diff options
Diffstat (limited to 'lib/Target/X86')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 36 | ||||
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.h | 4 |
2 files changed, 22 insertions, 18 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index d220c59430..1ed35d88c3 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -181,6 +181,8 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) // X86 is weird, it always uses i8 for shift amounts and setcc results. setBooleanContents(ZeroOrOneBooleanContent); + // X86-SSE is even stranger. It uses -1 or 0 for vector masks. + setBooleanVectorContents(ZeroOrNegativeOneBooleanContent); // For 64-bit since we have so many registers use the ILP scheduler, for // 32-bit code use the register pressure specific scheduling. @@ -710,7 +712,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::ROTL, (MVT::SimpleValueType)VT, Expand); setOperationAction(ISD::ROTR, (MVT::SimpleValueType)VT, Expand); setOperationAction(ISD::BSWAP, (MVT::SimpleValueType)VT, Expand); - setOperationAction(ISD::VSETCC, (MVT::SimpleValueType)VT, Expand); + setOperationAction(ISD::SETCC, (MVT::SimpleValueType)VT, Expand); setOperationAction(ISD::FLOG, (MVT::SimpleValueType)VT, Expand); setOperationAction(ISD::FLOG2, (MVT::SimpleValueType)VT, Expand); setOperationAction(ISD::FLOG10, (MVT::SimpleValueType)VT, Expand); @@ -787,7 +789,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v4f32, Custom); setOperationAction(ISD::EXTRACT_VECTOR_ELT, MVT::v4f32, Custom); setOperationAction(ISD::SELECT, MVT::v4f32, Custom); - setOperationAction(ISD::VSETCC, MVT::v4f32, Custom); + setOperationAction(ISD::SETCC, MVT::v4f32, Custom); } if (!UseSoftFloat && Subtarget->hasXMMInt()) { @@ -817,10 +819,10 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::FSQRT, MVT::v2f64, Legal); setOperationAction(ISD::FNEG, MVT::v2f64, Custom); - setOperationAction(ISD::VSETCC, MVT::v2f64, Custom); - setOperationAction(ISD::VSETCC, MVT::v16i8, Custom); - setOperationAction(ISD::VSETCC, MVT::v8i16, Custom); - setOperationAction(ISD::VSETCC, MVT::v4i32, Custom); + setOperationAction(ISD::SETCC, MVT::v2f64, Custom); + setOperationAction(ISD::SETCC, MVT::v16i8, Custom); + setOperationAction(ISD::SETCC, MVT::v8i16, Custom); + setOperationAction(ISD::SETCC, MVT::v4i32, Custom); setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v16i8, Custom); setOperationAction(ISD::SCALAR_TO_VECTOR, MVT::v8i16, Custom); @@ -950,7 +952,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) } if (Subtarget->hasSSE42() || Subtarget->hasAVX()) - setOperationAction(ISD::VSETCC, MVT::v2i64, Custom); + setOperationAction(ISD::SETCC, MVT::v2i64, Custom); if (!UseSoftFloat && Subtarget->hasAVX()) { addRegisterClass(MVT::v32i8, X86::VR256RegisterClass); @@ -1002,10 +1004,10 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::SRA, MVT::v8i32, Custom); setOperationAction(ISD::SRA, MVT::v16i16, Custom); - setOperationAction(ISD::VSETCC, MVT::v32i8, Custom); - setOperationAction(ISD::VSETCC, MVT::v16i16, Custom); - setOperationAction(ISD::VSETCC, MVT::v8i32, Custom); - setOperationAction(ISD::VSETCC, MVT::v4i64, Custom); + setOperationAction(ISD::SETCC, MVT::v32i8, Custom); + setOperationAction(ISD::SETCC, MVT::v16i16, Custom); + setOperationAction(ISD::SETCC, MVT::v8i32, Custom); + setOperationAction(ISD::SETCC, MVT::v4i64, Custom); setOperationAction(ISD::SELECT, MVT::v4f64, Custom); setOperationAction(ISD::SELECT, MVT::v4i64, Custom); @@ -1145,8 +1147,9 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) } -MVT::SimpleValueType X86TargetLowering::getSetCCResultType(EVT VT) const { - return MVT::i8; +EVT X86TargetLowering::getSetCCResultType(EVT VT) const { + if (!VT.isVector()) return MVT::i8; + return VT.changeVectorElementTypeToInteger(); } @@ -8319,6 +8322,9 @@ SDValue X86TargetLowering::LowerToBT(SDValue And, ISD::CondCode CC, } SDValue X86TargetLowering::LowerSETCC(SDValue Op, SelectionDAG &DAG) const { + + if (Op.getValueType().isVector()) return LowerVSETCC(Op, DAG); + assert(Op.getValueType() == MVT::i8 && "SetCC type must be 8-bit integer"); SDValue Op0 = Op.getOperand(0); SDValue Op1 = Op.getOperand(1); @@ -8374,7 +8380,7 @@ SDValue X86TargetLowering::LowerSETCC(SDValue Op, SelectionDAG &DAG) const { static SDValue Lower256IntVETCC(SDValue Op, SelectionDAG &DAG) { EVT VT = Op.getValueType(); - assert(VT.getSizeInBits() == 256 && Op.getOpcode() == ISD::VSETCC && + assert(VT.getSizeInBits() == 256 && Op.getOpcode() == ISD::SETCC && "Unsupported value type for operation"); int NumElems = VT.getVectorNumElements(); @@ -10038,7 +10044,6 @@ SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG) SDNode* Node = Op.getNode(); EVT ExtraVT = cast<VTSDNode>(Node->getOperand(1))->getVT(); EVT VT = Node->getValueType(0); - if (Subtarget->hasSSE2() && VT.isVector()) { unsigned BitsDiff = VT.getScalarType().getSizeInBits() - ExtraVT.getScalarType().getSizeInBits(); @@ -10344,7 +10349,6 @@ SDValue X86TargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const { case ISD::FCOPYSIGN: return LowerFCOPYSIGN(Op, DAG); case ISD::FGETSIGN: return LowerFGETSIGN(Op, DAG); case ISD::SETCC: return LowerSETCC(Op, DAG); - case ISD::VSETCC: return LowerVSETCC(Op, DAG); case ISD::SELECT: return LowerSELECT(Op, DAG); case ISD::BRCOND: return LowerBRCOND(Op, DAG); case ISD::JumpTable: return LowerJumpTable(Op, DAG); diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h index e83fea95cb..4d0e66a1e8 100644 --- a/lib/Target/X86/X86ISelLowering.h +++ b/lib/Target/X86/X86ISelLowering.h @@ -572,8 +572,8 @@ namespace llvm { /// DAG node. virtual const char *getTargetNodeName(unsigned Opcode) const; - /// getSetCCResultType - Return the ISD::SETCC ValueType - virtual MVT::SimpleValueType getSetCCResultType(EVT VT) const; + /// getSetCCResultType - Return the value type to use for ISD::SETCC. + virtual EVT getSetCCResultType(EVT VT) const; /// computeMaskedBitsForTargetNode - Determine which of the bits specified /// in Mask are known to be either zero or one and return them in the |