diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.cpp')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 5064b21ae6..bf032a7b6f 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -23,6 +23,7 @@ #include "llvm/CodeGen/MachineInstrBuilder.h" #include "llvm/CodeGen/SelectionDAG.h" #include "llvm/CodeGen/SSARegMap.h" +#include "llvm/Support/MathExtras.h" #include "llvm/Target/TargetOptions.h" using namespace llvm; @@ -209,12 +210,12 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) // We don't support sin/cos/sqrt/fmod setOperationAction(ISD::FSIN , MVT::f64, Expand); setOperationAction(ISD::FCOS , MVT::f64, Expand); - setOperationAction(ISD::FABS , MVT::f64, Expand); + setOperationAction(ISD::FABS , MVT::f64, Custom); setOperationAction(ISD::FNEG , MVT::f64, Expand); setOperationAction(ISD::FREM , MVT::f64, Expand); setOperationAction(ISD::FSIN , MVT::f32, Expand); setOperationAction(ISD::FCOS , MVT::f32, Expand); - setOperationAction(ISD::FABS , MVT::f32, Expand); + setOperationAction(ISD::FABS , MVT::f32, Custom); setOperationAction(ISD::FNEG , MVT::f32, Expand); setOperationAction(ISD::FREM , MVT::f32, Expand); @@ -1562,6 +1563,13 @@ SDOperand X86TargetLowering::LowerOperation(SDOperand Op, SelectionDAG &DAG) { Tys.push_back(MVT::Other); return DAG.getNode(ISD::MERGE_VALUES, Tys, Ops); } + case ISD::FABS: { + MVT::ValueType VT = Op.getValueType(); + SDOperand Mask = (VT == MVT::f64) + ? DAG.getConstantFP(BitsToDouble(~(1ULL << 63)), MVT::f64) + : DAG.getConstantFP(BitsToFloat (~(1U << 31)), MVT::f32); + return DAG.getNode(X86ISD::FAND, VT, Op.getOperand(0), Mask); + } case ISD::SETCC: { assert(Op.getValueType() == MVT::i8 && "SetCC type must be 8-bit integer"); SDOperand Cond; @@ -1912,6 +1920,7 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const { case X86ISD::SBB: return "X86ISD::SBB"; case X86ISD::SHLD: return "X86ISD::SHLD"; case X86ISD::SHRD: return "X86ISD::SHRD"; + case X86ISD::FAND: return "X86ISD::FAND"; case X86ISD::FILD: return "X86ISD::FILD"; case X86ISD::FP_TO_INT16_IN_MEM: return "X86ISD::FP_TO_INT16_IN_MEM"; case X86ISD::FP_TO_INT32_IN_MEM: return "X86ISD::FP_TO_INT32_IN_MEM"; |