diff options
| -rw-r--r-- | lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 152 |
1 files changed, 7 insertions, 145 deletions
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index e70eb97871..1edfb5d249 100644 --- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -190,8 +190,6 @@ namespace { private: SDNode *SelectSETCC(SDOperand Op); - SDNode *MySelect_PPCbctrl(SDOperand N); - SDNode *MySelect_PPCcall(SDOperand N); }; } @@ -282,13 +280,15 @@ SDNode *PPCDAGToDAGISel::getGlobalBaseReg() { MachineBasicBlock::iterator MBBI = FirstMBB.begin(); SSARegMap *RegMap = BB->getParent()->getSSARegMap(); - if (PPCLowering.getPointerTy() == MVT::i32) + if (PPCLowering.getPointerTy() == MVT::i32) { GlobalBaseReg = RegMap->createVirtualRegister(PPC::GPRCRegisterClass); - else + BuildMI(FirstMBB, MBBI, PPC::MovePCtoLR, 0, PPC::LR); + BuildMI(FirstMBB, MBBI, PPC::MFLR, 1, GlobalBaseReg); + } else { GlobalBaseReg = RegMap->createVirtualRegister(PPC::G8RCRegisterClass); - - BuildMI(FirstMBB, MBBI, PPC::MovePCtoLR, 0, PPC::LR); - BuildMI(FirstMBB, MBBI, PPC::MFLR, 1, GlobalBaseReg); + BuildMI(FirstMBB, MBBI, PPC::MovePCtoLR8, 0, PPC::LR8); + BuildMI(FirstMBB, MBBI, PPC::MFLR8, 1, GlobalBaseReg); + } } return CurDAG->getRegister(GlobalBaseReg, PPCLowering.getPointerTy()).Val; } @@ -1013,150 +1013,12 @@ SDNode *PPCDAGToDAGISel::Select(SDOperand Op) { Chain), 0); return CurDAG->SelectNodeTo(N, PPC::BCTR, MVT::Other, Chain); } - // FIXME: These are manually selected because tblgen isn't handling varargs - // nodes correctly. - case PPCISD::BCTRL: return MySelect_PPCbctrl(Op); - case PPCISD::CALL: return MySelect_PPCcall(Op); } return SelectCode(Op); } -// FIXME: This is manually selected because tblgen isn't handling varargs nodes -// correctly. -SDNode *PPCDAGToDAGISel::MySelect_PPCbctrl(SDOperand N) { - SDOperand Chain(0, 0); - - bool hasFlag = - N.getOperand(N.getNumOperands()-1).getValueType() == MVT::Flag; - - SmallVector<SDOperand, 8> Ops; - // Push varargs arguments, including optional flag. - for (unsigned i = 1, e = N.getNumOperands()-hasFlag; i != e; ++i) { - Chain = N.getOperand(i); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - - Chain = N.getOperand(0); - AddToISelQueue(Chain); - Ops.push_back(Chain); - - if (hasFlag) { - Chain = N.getOperand(N.getNumOperands()-1); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - - return CurDAG->getTargetNode(PPC::BCTRL, MVT::Other, MVT::Flag, - &Ops[0], Ops.size()); -} - -// FIXME: This is manually selected because tblgen isn't handling varargs nodes -// correctly. -SDNode *PPCDAGToDAGISel::MySelect_PPCcall(SDOperand N) { - SDOperand Chain(0, 0); - SDOperand N1(0, 0); - SDOperand Tmp0(0, 0); - Chain = N.getOperand(0); - N1 = N.getOperand(1); - - // Pattern: (PPCcall:void (imm:i32):$func) - // Emits: (BLA:void (imm:i32):$func) - // Pattern complexity = 4 cost = 1 - if (N1.getOpcode() == ISD::Constant) { - unsigned Tmp0C = (unsigned)cast<ConstantSDNode>(N1)->getValue(); - - SmallVector<SDOperand, 8> Ops; - Ops.push_back(CurDAG->getTargetConstant(Tmp0C, MVT::i32)); - - bool hasFlag = - N.getOperand(N.getNumOperands()-1).getValueType() == MVT::Flag; - - // Push varargs arguments, not including optional flag. - for (unsigned i = 2, e = N.getNumOperands()-hasFlag; i != e; ++i) { - Chain = N.getOperand(i); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - Chain = N.getOperand(0); - AddToISelQueue(Chain); - Ops.push_back(Chain); - if (hasFlag) { - Chain = N.getOperand(N.getNumOperands()-1); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - return CurDAG->getTargetNode(PPC::BLA, MVT::Other, MVT::Flag, - &Ops[0], Ops.size()); - } - - // Pattern: (PPCcall:void (tglobaladdr:i32):$dst) - // Emits: (BL:void (tglobaladdr:i32):$dst) - // Pattern complexity = 4 cost = 1 - if (N1.getOpcode() == ISD::TargetGlobalAddress) { - SmallVector<SDOperand, 8> Ops; - Ops.push_back(N1); - - bool hasFlag = - N.getOperand(N.getNumOperands()-1).getValueType() == MVT::Flag; - - // Push varargs arguments, not including optional flag. - for (unsigned i = 2, e = N.getNumOperands()-hasFlag; i != e; ++i) { - Chain = N.getOperand(i); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - Chain = N.getOperand(0); - AddToISelQueue(Chain); - Ops.push_back(Chain); - if (hasFlag) { - Chain = N.getOperand(N.getNumOperands()-1); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - - return CurDAG->getTargetNode(PPC::BL, MVT::Other, MVT::Flag, - &Ops[0], Ops.size()); - } - - // Pattern: (PPCcall:void (texternalsym:i32):$dst) - // Emits: (BL:void (texternalsym:i32):$dst) - // Pattern complexity = 4 cost = 1 - if (N1.getOpcode() == ISD::TargetExternalSymbol) { - std::vector<SDOperand> Ops; - Ops.push_back(N1); - - bool hasFlag = - N.getOperand(N.getNumOperands()-1).getValueType() == MVT::Flag; - - // Push varargs arguments, not including optional flag. - for (unsigned i = 2, e = N.getNumOperands()-hasFlag; i != e; ++i) { - Chain = N.getOperand(i); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - Chain = N.getOperand(0); - AddToISelQueue(Chain); - Ops.push_back(Chain); - if (hasFlag) { - Chain = N.getOperand(N.getNumOperands()-1); - AddToISelQueue(Chain); - Ops.push_back(Chain); - } - - return CurDAG->getTargetNode(PPC::BL, MVT::Other, MVT::Flag, - &Ops[0], Ops.size()); - } - std::cerr << "Cannot yet select: "; - N.Val->dump(CurDAG); - std::cerr << '\n'; - abort(); - - return NULL; -} - /// createPPCISelDag - This pass converts a legalized DAG into a /// PowerPC-specific DAG, ready for instruction scheduling. |