diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCISelDAGToDAG.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index 28d496ee9ca1..afd2e87078a9 100644 --- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -2907,19 +2907,6 @@ SDValue PPCDAGToDAGISel::get64BitZExtCompare(SDValue LHS, SDValue RHS, getI64Imm(58, dl), getI64Imm(63, dl)), 0); } - case ISD::SETNE: { - // {addc.reg, addc.CA} = (addcarry (xor %a, %b), -1) - // (zext (setcc %a, %b, setne)) -> (sube addc.reg, addc.reg, addc.CA) - // {addcz.reg, addcz.CA} = (addcarry %a, -1) - // (zext (setcc %a, 0, setne)) -> (sube addcz.reg, addcz.reg, addcz.CA) - SDValue Xor = IsRHSZero ? LHS : - SDValue(CurDAG->getMachineNode(PPC::XOR8, dl, MVT::i64, LHS, RHS), 0); - SDValue AC = - SDValue(CurDAG->getMachineNode(PPC::ADDIC8, dl, MVT::i64, MVT::Glue, - Xor, getI32Imm(~0U, dl)), 0); - return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, AC, - Xor, AC.getValue(1)), 0); - } } } @@ -2944,19 +2931,6 @@ SDValue PPCDAGToDAGISel::get64BitSExtCompare(SDValue LHS, SDValue RHS, return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, Addic, Addic, Addic.getValue(1)), 0); } - case ISD::SETNE: { - // {subfc.reg, subfc.CA} = (subcarry 0, (xor %a, %b)) - // (sext (setcc %a, %b, setne)) -> (sube subfc.reg, subfc.reg, subfc.CA) - // {subfcz.reg, subfcz.CA} = (subcarry 0, %a) - // (sext (setcc %a, 0, setne)) -> (sube subfcz.reg, subfcz.reg, subfcz.CA) - SDValue Xor = IsRHSZero ? LHS : - SDValue(CurDAG->getMachineNode(PPC::XOR8, dl, MVT::i64, LHS, RHS), 0); - SDValue SC = - SDValue(CurDAG->getMachineNode(PPC::SUBFIC8, dl, MVT::i64, MVT::Glue, - Xor, getI32Imm(0, dl)), 0); - return SDValue(CurDAG->getMachineNode(PPC::SUBFE8, dl, MVT::i64, SC, - SC, SC.getValue(1)), 0); - } } } |