diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp index 3b6b0efec5a..e9b62a8c14b 100644 --- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp +++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp @@ -566,9 +566,8 @@ void X86ATTAsmPrinter::printSSECC(const MachineInstr *MI, unsigned Op) { } } -void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op, - const char *Modifier){ - assert(isMem(MI, Op) && "Invalid memory reference!"); +void X86ATTAsmPrinter::printLeaMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier){ MachineOperand BaseReg = MI->getOperand(Op); MachineOperand IndexReg = MI->getOperand(Op+2); const MachineOperand &DispSpec = MI->getOperand(Op+3); @@ -611,6 +610,17 @@ void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op, } } +void X86ATTAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier){ + assert(isMem(MI, Op) && "Invalid memory reference!"); + MachineOperand Segment = MI->getOperand(Op+4); + if (Segment.getReg()) { + printOperand(MI, Op+4, Modifier); + O << ':'; + } + printLeaMemReference(MI, Op, Modifier); +} + void X86ATTAsmPrinter::printPICJumpTableSetLabel(unsigned uid, const MachineBasicBlock *MBB) const { if (!TAI->getSetDirective()) diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h index 4da8076af5a..30630e97846 100644 --- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h +++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h @@ -93,8 +93,14 @@ class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter { void printf128mem(const MachineInstr *MI, unsigned OpNo) { printMemReference(MI, OpNo); } + void printlea32mem(const MachineInstr *MI, unsigned OpNo) { + printLeaMemReference(MI, OpNo); + } + void printlea64mem(const MachineInstr *MI, unsigned OpNo) { + printLeaMemReference(MI, OpNo); + } void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) { - printMemReference(MI, OpNo, "subreg64"); + printLeaMemReference(MI, OpNo, "subreg64"); } bool printAsmMRegister(const MachineOperand &MO, const char Mode); @@ -107,6 +113,8 @@ class VISIBILITY_HIDDEN X86ATTAsmPrinter : public AsmPrinter { void printSSECC(const MachineInstr *MI, unsigned Op); void printMemReference(const MachineInstr *MI, unsigned Op, const char *Modifier=NULL); + void printLeaMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier=NULL); void printPICJumpTableSetLabel(unsigned uid, const MachineBasicBlock *MBB) const; void printPICJumpTableSetLabel(unsigned uid, unsigned uid2, diff --git a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp index 7823ca6da3d..b694a185100 100644 --- a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp +++ b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp @@ -271,10 +271,9 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO, } } -void X86IntelAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op, - const char *Modifier) { - assert(isMem(MI, Op) && "Invalid memory reference!"); - +void X86IntelAsmPrinter::printLeaMemReference(const MachineInstr *MI, + unsigned Op, + const char *Modifier) { const MachineOperand &BaseReg = MI->getOperand(Op); int ScaleVal = MI->getOperand(Op+1).getImm(); const MachineOperand &IndexReg = MI->getOperand(Op+2); @@ -317,6 +316,17 @@ void X86IntelAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op, O << "]"; } +void X86IntelAsmPrinter::printMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier) { + assert(isMem(MI, Op) && "Invalid memory reference!"); + MachineOperand Segment = MI->getOperand(Op+4); + if (Segment.getReg()) { + printOperand(MI, Op+4, Modifier); + O << ':'; + } + printLeaMemReference(MI, Op, Modifier); +} + void X86IntelAsmPrinter::printPICJumpTableSetLabel(unsigned uid, const MachineBasicBlock *MBB) const { if (!TAI->getSetDirective()) diff --git a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h index ae84df22b76..489d946790e 100644 --- a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h +++ b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h @@ -88,9 +88,17 @@ struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter { O << "XMMWORD PTR "; printMemReference(MI, OpNo); } + void printlea32mem(const MachineInstr *MI, unsigned OpNo) { + O << "DWORD PTR "; + printLeaMemReference(MI, OpNo); + } + void printlea64mem(const MachineInstr *MI, unsigned OpNo) { + O << "QWORD PTR "; + printLeaMemReference(MI, OpNo); + } void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) { O << "QWORD PTR "; - printMemReference(MI, OpNo, "subreg64"); + printLeaMemReference(MI, OpNo, "subreg64"); } bool printAsmMRegister(const MachineOperand &MO, const char Mode); @@ -103,6 +111,8 @@ struct VISIBILITY_HIDDEN X86IntelAsmPrinter : public AsmPrinter { void printSSECC(const MachineInstr *MI, unsigned Op); void printMemReference(const MachineInstr *MI, unsigned Op, const char *Modifier=NULL); + void printLeaMemReference(const MachineInstr *MI, unsigned Op, + const char *Modifier=NULL); void printPICJumpTableSetLabel(unsigned uid, const MachineBasicBlock *MBB) const; void printPICJumpTableSetLabel(unsigned uid, unsigned uid2, diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp index 7c998382fc7..c54a996cb23 100644 --- a/lib/Target/X86/X86CodeEmitter.cpp +++ b/lib/Target/X86/X86CodeEmitter.cpp @@ -533,23 +533,6 @@ void Emitter::emitInstruction(const MachineInstr &MI, case X86::DWARF_LOC: case X86::FP_REG_KILL: break; - case X86::TLS_tp: { - MCE.emitByte(BaseOpcode); - unsigned RegOpcodeField = getX86RegNum(MI.getOperand(0).getReg()); - MCE.emitByte(ModRMByte(0, RegOpcodeField, 5)); - emitConstant(0, 4); - break; - } - case X86::TLS_gs_ri: { - MCE.emitByte(BaseOpcode); - unsigned RegOpcodeField = getX86RegNum(MI.getOperand(0).getReg()); - MCE.emitByte(ModRMByte(0, RegOpcodeField, 5)); - GlobalValue* GV = MI.getOperand(1).getGlobal(); - unsigned rt = Is64BitMode ? X86::reloc_pcrel_word - : (IsPIC ? X86::reloc_picrel_word : X86::reloc_absolute_word); - emitGlobalAddress(GV, rt); - break; - } case X86::MOVPC32r: { // This emits the "call" portion of this pseudo instruction. MCE.emitByte(BaseOpcode); @@ -661,13 +644,21 @@ void Emitter::emitInstruction(const MachineInstr &MI, break; case X86II::MRMSrcMem: { - intptr_t PCAdj = (CurOp + X86AddrNumOperands + 1 != NumOps) ? + // FIXME: Maybe lea should have its own form? + int AddrOperands; + if (Opcode == X86::LEA64r || Opcode == X86::LEA64_32r || + Opcode == X86::LEA16r || Opcode == X86::LEA32r) + AddrOperands = X86AddrNumOperands - 1; // No segment register + else + AddrOperands = X86AddrNumOperands; + + intptr_t PCAdj = (CurOp + AddrOperands + 1 != NumOps) ? X86InstrInfo::sizeOfImm(Desc) : 0; MCE.emitByte(BaseOpcode); emitMemModRMByte(MI, CurOp+1, getX86RegNum(MI.getOperand(CurOp).getReg()), PCAdj); - CurOp += X86AddrNumOperands + 1; + CurOp += AddrOperands + 1; if (CurOp != NumOps) emitConstant(MI.getOperand(CurOp++).getImm(), X86InstrInfo::sizeOfImm(Desc)); break; diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp index 7a10b123bc4..7b114ddbc38 100644 --- a/lib/Target/X86/X86FastISel.cpp +++ b/lib/Target/X86/X86FastISel.cpp @@ -1490,7 +1490,7 @@ unsigned X86FastISel::TargetMaterializeConstant(Constant *C) { else Opc = X86::LEA64r; unsigned ResultReg = createResultReg(RC); - addFullAddress(BuildMI(MBB, DL, TII.get(Opc), ResultReg), AM); + addLeaAddress(BuildMI(MBB, DL, TII.get(Opc), ResultReg), AM); return ResultReg; } return 0; @@ -1535,7 +1535,7 @@ unsigned X86FastISel::TargetMaterializeAlloca(AllocaInst *C) { unsigned Opc = Subtarget->is64Bit() ? X86::LEA64r : X86::LEA32r; TargetRegisterClass* RC = TLI.getRegClassFor(TLI.getPointerTy()); unsigned ResultReg = createResultReg(RC); - addFullAddress(BuildMI(MBB, DL, TII.get(Opc), ResultReg), AM); + addLeaAddress(BuildMI(MBB, DL, TII.get(Opc), ResultReg), AM); return ResultReg; } diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp index f402053e73a..2cd6f74f27e 100644 --- a/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -69,6 +69,7 @@ namespace { unsigned Scale; SDValue IndexReg; int32_t Disp; + SDValue Segment; GlobalValue *GV; Constant *CP; const char *ES; @@ -77,7 +78,7 @@ namespace { X86ISelAddressMode() : BaseType(RegBase), isRIPRel(false), Scale(1), IndexReg(), Disp(0), - GV(0), CP(0), ES(0), JT(-1), Align(0) { + Segment(), GV(0), CP(0), ES(0), JT(-1), Align(0) { } bool hasSymbolicDisplacement() const { @@ -159,20 +160,25 @@ namespace { SDNode *Select(SDValue N); SDNode *SelectAtomic64(SDNode *Node, unsigned Opc); + bool MatchSegmentBaseAddress(SDValue N, X86ISelAddressMode &AM); + bool MatchLoad(SDValue N, X86ISelAddressMode &AM); bool MatchAddress(SDValue N, X86ISelAddressMode &AM, unsigned Depth = 0); bool MatchAddressBase(SDValue N, X86ISelAddressMode &AM); bool SelectAddr(SDValue Op, SDValue N, SDValue &Base, - SDValue &Scale, SDValue &Index, SDValue &Disp); + SDValue &Scale, SDValue &Index, SDValue &Disp, + SDValue &Segment); bool SelectLEAAddr(SDValue Op, SDValue N, SDValue &Base, SDValue &Scale, SDValue &Index, SDValue &Disp); bool SelectScalarSSELoad(SDValue Op, SDValue Pred, SDValue N, SDValue &Base, SDValue &Scale, SDValue &Index, SDValue &Disp, + SDValue &Segment, SDValue &InChain, SDValue &OutChain); bool TryFoldLoad(SDValue P, SDValue N, SDValue &Base, SDValue &Scale, - SDValue &Index, SDValue &Disp); + SDValue &Index, SDValue &Disp, + SDValue &Segment); void PreprocessForRMW(); void PreprocessForFPConvert(); @@ -186,7 +192,7 @@ namespace { inline void getAddressOperands(X86ISelAddressMode &AM, SDValue &Base, SDValue &Scale, SDValue &Index, - SDValue &Disp) { + SDValue &Disp, SDValue &Segment) { Base = (AM.BaseType == X86ISelAddressMode::FrameIndexBase) ? CurDAG->getTargetFrameIndex(AM.Base.FrameIndex, TLI.getPointerTy()) : AM.Base.Reg; @@ -205,6 +211,11 @@ namespace { Disp = CurDAG->getTargetJumpTable(AM.JT, MVT::i32); else Disp = CurDAG->getTargetConstant(AM.Disp, MVT::i32); + + if (AM.Segment.getNode()) + Segment = AM.Segment; + else + Segment = CurDAG->getRegister(0, MVT::i32); } /// getI8Imm - Return a target constant with the specified value, of type @@ -726,6 +737,33 @@ void X86DAGToDAGISel::EmitFunctionEntryCode(Function &Fn, MachineFunction &MF) { EmitSpecialCodeForMain(BB, MF.getFrameInfo()); } + +bool X86DAGToDAGISel::MatchSegmentBaseAddress(SDValue N, + X86ISelAddressMode &AM) { + assert(N.getOpcode() == X86ISD::SegmentBaseAddress); + SDValue Segment = N.getOperand(0); + + if (AM.Segment.getNode() == 0) { + AM.Segment = Segment; + return false; + } + + return true; +} + +bool X86DAGToDAGISel::MatchLoad(SDValue N, X86ISelAddressMode &AM) { + // This optimization is valid because the GNU TLS model defines that + // gs:0 (or fs:0 on X86-64) contains its own address. + // For more information see http://people.redhat.com/drepper/tls.pdf + + SDValue Address = N.getOperand(1); + if (Address.getOpcode() == X86ISD::SegmentBaseAddress && + !MatchSegmentBaseAddress (Address, AM)) + return false; + + return true; +} + /// MatchAddress - Add the specified node to the specified addressing mode, /// returning true if it cannot be done. This just pattern matches for the /// addressing mode. @@ -761,6 +799,11 @@ bool X86DAGToDAGISel::MatchAddress(SDValue N, X86ISelAddressMode &AM, break; } + case X86ISD::SegmentBaseAddress: + if (!MatchSegmentBaseAddress(N, AM)) + return false; + break; + case X86ISD::Wrapper: { DOUT << "Wrapper: 64bit " << is64Bit; DOUT << " AM "; DEBUG(AM.dump()); DOUT << "\n"; @@ -807,6 +850,11 @@ bool X86DAGToDAGISel::MatchAddress(SDValue N, X86ISelAddressMode &AM, break; } + case ISD::LOAD: + if (!MatchLoad(N, AM)) + return false; + break; + case ISD::FrameIndex: if (AM.BaseType == X86ISelAddressMode::RegBase && AM.Base.Reg.getNode() == 0) { @@ -1034,7 +1082,7 @@ bool X86DAGToDAGISel::MatchAddressBase(SDValue N, X86ISelAddressMode &AM) { /// match by reference. bool X86DAGToDAGISel::SelectAddr(SDValue Op, SDValue N, SDValue &Base, SDValue &Scale, SDValue &Index, - SDValue &Disp) { + SDValue &Disp, SDValue &Segment) { X86ISelAddressMode AM; bool Done = false; if (AvoidDupAddrCompute && !N.hasOneUse()) { @@ -1069,7 +1117,7 @@ bool X86DAGToDAGISel::SelectAddr(SDValue Op, SDValue N, SDValue &Base, if (!AM.IndexReg.getNode()) AM.IndexReg = CurDAG->getRegister(0, VT); - getAddressOperands(AM, Base, Scale, Index, Disp); + getAddressOperands(AM, Base, Scale, Index, Disp, Segment); return true; } @@ -1079,7 +1127,8 @@ bool X86DAGToDAGISel::SelectAddr(SDValue Op, SDValue N, SDValue &Base, bool X86DAGToDAGISel::SelectScalarSSELoad(SDValue Op, SDValue Pred, SDValue N, SDValue &Base, SDValue &Scale, SDValue &Index, - SDValue &Disp, SDValue &InChain, + SDValue &Disp, SDValue &Segment, + SDValue &InChain, SDValue &OutChain) { if (N.getOpcode() == ISD::SCALAR_TO_VECTOR) { InChain = N.getOperand(0).getValue(1); @@ -1088,7 +1137,7 @@ bool X86DAGToDAGISel::SelectScalarSSELoad(SDValue Op, SDValue Pred, N.hasOneUse() && IsLegalAndProfitableToFold(N.getNode(), Pred.getNode(), Op.getNode())) { LoadSDNode *LD = cast(InChain); - if (!SelectAddr(Op, LD->getBasePtr(), Base, Scale, Index, Disp)) + if (!SelectAddr(Op, LD->getBasePtr(), Base, Scale, Index, Disp, Segment)) return false; OutChain = LD->getChain(); return true; @@ -1105,7 +1154,7 @@ bool X86DAGToDAGISel::SelectScalarSSELoad(SDValue Op, SDValue Pred, N.getOperand(0).getOperand(0).hasOneUse()) { // Okay, this is a zero extending load. Fold it. LoadSDNode *LD = cast(N.getOperand(0).getOperand(0)); - if (!SelectAddr(Op, LD->getBasePtr(), Base, Scale, Index, Disp)) + if (!SelectAddr(Op, LD->getBasePtr(), Base, Scale, Index, Disp, Segment)) return false; OutChain = LD->getChain(); InChain = SDValue(LD, 1); @@ -1124,6 +1173,11 @@ bool X86DAGToDAGISel::SelectLEAAddr(SDValue Op, SDValue N, if (MatchAddress(N, AM)) return false; + //Is it better to set AM.Segment before calling MatchAddress to + //prevent it from adding a segment? + if (AM.Segment.getNode()) + return false; + MVT VT = N.getValueType(); unsigned Complexity = 0; if (AM.BaseType == X86ISelAddressMode::RegBase) @@ -1162,7 +1216,8 @@ bool X86DAGToDAGISel::SelectLEAAddr(SDValue Op, SDValue N, Complexity++; if (Complexity > 2) { - getAddressOperands(AM, Base, Scale, Index, Disp); + SDValue Segment; + getAddressOperands(AM, Base, Scale, Index, Disp, Segment); return true; } return false; @@ -1170,11 +1225,12 @@ bool X86DAGToDAGISel::SelectLEAAddr(SDValue Op, SDValue N, bool X86DAGToDAGISel::TryFoldLoad(SDValue P, SDValue N, SDValue &Base, SDValue &Scale, - SDValue &Index, SDValue &Disp) { + SDValue &Index, SDValue &Disp, + SDValue &Segment) { if (ISD::isNON_EXTLoad(N.getNode()) && N.hasOneUse() && IsLegalAndProfitableToFold(N.getNode(), P.getNode(), P.getNode())) - return SelectAddr(P, N.getOperand(1), Base, Scale, Index, Disp); + return SelectAddr(P, N.getOperand(1), Base, Scale, Index, Disp, Segment); return false; } @@ -1230,11 +1286,11 @@ SDNode *X86DAGToDAGISel::SelectAtomic64(SDNode *Node, unsigned Opc) { SDValue In1 = Node->getOperand(1); SDValue In2L = Node->getOperand(2); SDValue In2H = Node->getOperand(3); - SDValue Tmp0, Tmp1, Tmp2, Tmp3; - if (!SelectAddr(In1, In1, Tmp0, Tmp1, Tmp2, Tmp3)) + SDValue Tmp0, Tmp1, Tmp2, Tmp3, Tmp4; + if (!SelectAddr(In1, In1, Tmp0, Tmp1, Tmp2, Tmp3, Tmp4)) return NULL; SDValue LSI = Node->getOperand(4); // MemOperand - const SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, In2L, In2H, LSI, Chain }; + const SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, Tmp4, In2L, In2H, LSI, Chain}; return CurDAG->getTargetNode(Opc, Node->getDebugLoc(), MVT::i32, MVT::i32, MVT::Other, Ops, array_lengthof(Ops)); @@ -1316,11 +1372,11 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { case MVT::i64: LoReg = X86::RAX; HiReg = X86::RDX; break; } - SDValue Tmp0, Tmp1, Tmp2, Tmp3; - bool foldedLoad = TryFoldLoad(N, N1, Tmp0, Tmp1, Tmp2, Tmp3); + SDValue Tmp0, Tmp1, Tmp2, Tmp3, Tmp4; + bool foldedLoad = TryFoldLoad(N, N1, Tmp0, Tmp1, Tmp2, Tmp3, Tmp4); // multiplty is commmutative if (!foldedLoad) { - foldedLoad = TryFoldLoad(N, N0, Tmp0, Tmp1, Tmp2, Tmp3); + foldedLoad = TryFoldLoad(N, N0, Tmp0, Tmp1, Tmp2, Tmp3, Tmp4); if (foldedLoad) std::swap(N0, N1); } @@ -1329,7 +1385,8 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { N0, SDValue()).getValue(1); if (foldedLoad) { - SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, N1.getOperand(0), InFlag }; + SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, Tmp4, N1.getOperand(0), + InFlag }; SDNode *CNode = CurDAG->getTargetNode(MOpc, dl, MVT::Other, MVT::Flag, Ops, array_lengthof(Ops)); @@ -1438,17 +1495,17 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { break; } - SDValue Tmp0, Tmp1, Tmp2, Tmp3; - bool foldedLoad = TryFoldLoad(N, N1, Tmp0, Tmp1, Tmp2, Tmp3); + SDValue Tmp0, Tmp1, Tmp2, Tmp3, Tmp4; + bool foldedLoad = TryFoldLoad(N, N1, Tmp0, Tmp1, Tmp2, Tmp3, Tmp4); bool signBitIsZero = CurDAG->SignBitIsZero(N0); SDValue InFlag; if (NVT == MVT::i8 && (!isSigned || signBitIsZero)) { // Special case for div8, just use a move with zero extension to AX to // clear the upper 8 bits (AH). - SDValue Tmp0, Tmp1, Tmp2, Tmp3, Move, Chain; - if (TryFoldLoad(N, N0, Tmp0, Tmp1, Tmp2, Tmp3)) { - SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, N0.getOperand(0) }; + SDValue Tmp0, Tmp1, Tmp2, Tmp3, Tmp4, Move, Chain; + if (TryFoldLoad(N, N0, Tmp0, Tmp1, Tmp2, Tmp3, Tmp4)) { + SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, Tmp4, N0.getOperand(0) }; Move = SDValue(CurDAG->getTargetNode(X86::MOVZX16rm8, dl, MVT::i16, MVT::Other, Ops, @@ -1480,7 +1537,8 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { } if (foldedLoad) { - SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, N1.getOperand(0), InFlag }; + SDValue Ops[] = { Tmp0, Tmp1, Tmp2, Tmp3, Tmp4, N1.getOperand(0), + InFlag }; SDNode *CNode = CurDAG->getTargetNode(MOpc, dl, MVT::Other, MVT::Flag, Ops, array_lengthof(Ops)); @@ -1649,13 +1707,13 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { bool X86DAGToDAGISel:: SelectInlineAsmMemoryOperand(const SDValue &Op, char ConstraintCode, std::vector &OutOps) { - SDValue Op0, Op1, Op2, Op3; + SDValue Op0, Op1, Op2, Op3, Op4; switch (ConstraintCode) { case 'o': // offsetable ?? case 'v': // not offsetable ?? default: return true; case 'm': // memory - if (!SelectAddr(Op, Op, Op0, Op1, Op2, Op3)) + if (!SelectAddr(Op, Op, Op0, Op1, Op2, Op3, Op4)) return true; break; } @@ -1664,6 +1722,7 @@ SelectInlineAsmMemoryOperand(const SDValue &Op, char ConstraintCode, OutOps.push_back(Op1); OutOps.push_back(Op2); OutOps.push_back(Op3); + OutOps.push_back(Op4); return false; } diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index 1fcac9da2f8..79410fd43f0 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -4834,8 +4834,13 @@ static SDValue LowerToTLSExecModel(GlobalAddressSDNode *GA, SelectionDAG &DAG, const MVT PtrVT, TLSModel::Model model) { DebugLoc dl = GA->getDebugLoc(); // Get the Thread Pointer - SDValue ThreadPointer = DAG.getNode(X86ISD::THREAD_POINTER, - DebugLoc::getUnknownLoc(), PtrVT); + SDValue Base = DAG.getNode(X86ISD::SegmentBaseAddress, + DebugLoc::getUnknownLoc(), PtrVT, + DAG.getRegister(X86::GS, MVT::i32)); + + SDValue ThreadPointer = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), Base, + NULL, 0); + // emit "addl x@ntpoff,%eax" (local exec) or "addl x@indntpoff,%eax" (initial // exec) SDValue TGA = DAG.getTargetGlobalAddress(GA->getGlobal(), @@ -7149,7 +7154,7 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const { case X86ISD::FRSQRT: return "X86ISD::FRSQRT"; case X86ISD::FRCP: return "X86ISD::FRCP"; case X86ISD::TLSADDR: return "X86ISD::TLSADDR"; - case X86ISD::THREAD_POINTER: return "X86ISD::THREAD_POINTER"; + case X86ISD::SegmentBaseAddress: return "X86ISD::SegmentBaseAddress"; case X86ISD::EH_RETURN: return "X86ISD::EH_RETURN"; case X86ISD::TC_RETURN: return "X86ISD::TC_RETURN"; case X86ISD::FNSTCW16m: return "X86ISD::FNSTCW16m"; @@ -7483,7 +7488,7 @@ X86TargetLowering::EmitAtomicBit6432WithCustomInserter(MachineInstr *bInstr, unsigned t2 = F->getRegInfo().createVirtualRegister(RC); MIB = BuildMI(thisMBB, dl, TII->get(LoadOpc), t2); // add 4 to displacement. - for (int i=0; i <= lastAddrIndx-1; ++i) + for (int i=0; i <= lastAddrIndx-2; ++i) (*MIB).addOperand(*argOpers[i]); MachineOperand newOp3 = *(argOpers[3]); if (newOp3.isImm()) @@ -7491,6 +7496,7 @@ X86TargetLowering::EmitAtomicBit6432WithCustomInserter(MachineInstr *bInstr, else newOp3.setOffset(newOp3.getOffset()+4); (*MIB).addOperand(newOp3); + (*MIB).addOperand(*argOpers[lastAddrIndx]); // t3/4 are defined later, at the bottom of the loop unsigned t3 = F->getRegInfo().createVirtualRegister(RC); diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h index 45b3e974ae4..050b86979c5 100644 --- a/lib/Target/X86/X86ISelLowering.h +++ b/lib/Target/X86/X86ISelLowering.h @@ -188,8 +188,11 @@ namespace llvm { /// in order to obtain suitable precision. FRSQRT, FRCP, - // TLSADDR, THREAD_POINTER - Thread Local Storage. - TLSADDR, THREAD_POINTER, + // TLSADDR - Thread Local Storage. + TLSADDR, + + // SegmentBaseAddress - The address segment:0 + SegmentBaseAddress, // EH_RETURN - Exception Handling helpers. EH_RETURN, diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index f88834e4a28..c37a93377ed 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -23,7 +23,7 @@ def i64i32imm : Operand; def i64i8imm : Operand; def lea64mem : Operand { - let PrintMethod = "printi64mem"; + let PrintMethod = "printlea64mem"; let MIOperandInfo = (ops GR64, i8imm, GR64, i32imm); } diff --git a/lib/Target/X86/X86InstrBuilder.h b/lib/Target/X86/X86InstrBuilder.h index 74f9e05ffe4..aa3e0333daf 100644 --- a/lib/Target/X86/X86InstrBuilder.h +++ b/lib/Target/X86/X86InstrBuilder.h @@ -66,6 +66,15 @@ inline const MachineInstrBuilder &addDirectMem(const MachineInstrBuilder &MIB, return MIB.addReg(Reg).addImm(1).addReg(0).addImm(0); } +inline const MachineInstrBuilder &addLeaOffset(const MachineInstrBuilder &MIB, + int Offset) { + return MIB.addImm(1).addReg(0).addImm(Offset); +} + +inline const MachineInstrBuilder &addOffset(const MachineInstrBuilder &MIB, + int Offset) { + return addLeaOffset(MIB, Offset).addReg(0); +} /// addRegOffset - This function is used to add a memory reference of the form /// [Reg + Offset], i.e., one with no scale or index, but with a @@ -74,8 +83,13 @@ inline const MachineInstrBuilder &addDirectMem(const MachineInstrBuilder &MIB, inline const MachineInstrBuilder &addRegOffset(const MachineInstrBuilder &MIB, unsigned Reg, bool isKill, int Offset) { - return MIB.addReg(Reg, false, false, isKill) - .addImm(1).addReg(0).addImm(Offset); + return addOffset(MIB.addReg(Reg, false, false, isKill), Offset); +} + +inline const MachineInstrBuilder &addLeaRegOffset(const MachineInstrBuilder &MIB, + unsigned Reg, bool isKill, + int Offset) { + return addLeaOffset(MIB.addReg(Reg, false, false, isKill), Offset); } /// addRegReg - This function is used to add a memory reference of the form: @@ -87,8 +101,8 @@ inline const MachineInstrBuilder &addRegReg(const MachineInstrBuilder &MIB, .addReg(Reg2, false, false, isKill2).addImm(0); } -inline const MachineInstrBuilder &addFullAddress(const MachineInstrBuilder &MIB, - const X86AddressMode &AM) { +inline const MachineInstrBuilder &addLeaAddress(const MachineInstrBuilder &MIB, + const X86AddressMode &AM) { assert (AM.Scale == 1 || AM.Scale == 2 || AM.Scale == 4 || AM.Scale == 8); if (AM.BaseType == X86AddressMode::RegBase) @@ -104,6 +118,11 @@ inline const MachineInstrBuilder &addFullAddress(const MachineInstrBuilder &MIB, return MIB.addImm(AM.Disp); } +inline const MachineInstrBuilder &addFullAddress(const MachineInstrBuilder &MIB, + const X86AddressMode &AM) { + return addLeaAddress(MIB, AM).addReg(0); +} + /// addFrameReference - This function is used to add a reference to the base of /// an abstract object on the stack frame of the current function. This /// reference has base register as the FrameIndex offset until it is resolved. @@ -125,7 +144,7 @@ addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) { MFI.getObjectOffset(FI) + Offset, MFI.getObjectSize(FI), MFI.getObjectAlignment(FI)); - return MIB.addFrameIndex(FI).addImm(1).addReg(0).addImm(Offset) + return addOffset(MIB.addFrameIndex(FI), Offset) .addMemOperand(MMO); } @@ -139,7 +158,9 @@ addFrameReference(const MachineInstrBuilder &MIB, int FI, int Offset = 0) { inline const MachineInstrBuilder & addConstantPoolReference(const MachineInstrBuilder &MIB, unsigned CPI, unsigned GlobalBaseReg = 0) { - return MIB.addReg(GlobalBaseReg).addImm(1).addReg(0).addConstantPoolIndex(CPI); + //FIXME: factor this + return MIB.addReg(GlobalBaseReg).addImm(1).addReg(0) + .addConstantPoolIndex(CPI).addReg(0); } } // End llvm namespace diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index dd7346a30fb..4d9e2bef742 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1138,9 +1138,9 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI, assert(MI->getNumOperands() >= 2 && "Unknown inc instruction!"); unsigned Opc = MIOpc == X86::INC64r ? X86::LEA64r : (is64Bit ? X86::LEA64_32r : X86::LEA32r); - NewMI = addRegOffset(BuildMI(MF, MI->getDebugLoc(), get(Opc)) - .addReg(Dest, true, false, false, isDead), - Src, isKill, 1); + NewMI = addLeaRegOffset(BuildMI(MF, MI->getDebugLoc(), get(Opc)) + .addReg(Dest, true, false, false, isDead), + Src, isKill, 1); break; } case X86::INC16r: @@ -1157,9 +1157,9 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI, assert(MI->getNumOperands() >= 2 && "Unknown dec instruction!"); unsigned Opc = MIOpc == X86::DEC64r ? X86::LEA64r : (is64Bit ? X86::LEA64_32r : X86::LEA32r); - NewMI = addRegOffset(BuildMI(MF, MI->getDebugLoc(), get(Opc)) - .addReg(Dest, true, false, false, isDead), - Src, isKill, -1); + NewMI = addLeaRegOffset(BuildMI(MF, MI->getDebugLoc(), get(Opc)) + .addReg(Dest, true, false, false, isDead), + Src, isKill, -1); break; } case X86::DEC16r: @@ -1200,18 +1200,18 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI, case X86::ADD64ri8: assert(MI->getNumOperands() >= 3 && "Unknown add instruction!"); if (MI->getOperand(2).isImm()) - NewMI = addRegOffset(BuildMI(MF, MI->getDebugLoc(), get(X86::LEA64r)) - .addReg(Dest, true, false, false, isDead), - Src, isKill, MI->getOperand(2).getImm()); + NewMI = addLeaRegOffset(BuildMI(MF, MI->getDebugLoc(), get(X86::LEA64r)) + .addReg(Dest, true, false, false, isDead), + Src, isKill, MI->getOperand(2).getImm()); break; case X86::ADD32ri: case X86::ADD32ri8: assert(MI->getNumOperands() >= 3 && "Unknown add instruction!"); if (MI->getOperand(2).isImm()) { unsigned Opc = is64Bit ? X86::LEA64_32r : X86::LEA32r; - NewMI = addRegOffset(BuildMI(MF, MI->getDebugLoc(), get(Opc)) - .addReg(Dest, true, false, false, isDead), - Src, isKill, MI->getOperand(2).getImm()); + NewMI = addLeaRegOffset(BuildMI(MF, MI->getDebugLoc(), get(Opc)) + .addReg(Dest, true, false, false, isDead), + Src, isKill, MI->getOperand(2).getImm()); } break; case X86::ADD16ri: @@ -1959,7 +1959,7 @@ static MachineInstr *FuseTwoAddrInst(MachineFunction &MF, unsigned Opcode, for (unsigned i = 0; i != NumAddrOps; ++i) MIB.addOperand(MOs[i]); if (NumAddrOps < 4) // FrameIndex only - MIB.addImm(1).addReg(0).addImm(0); + addOffset(MIB, 0); // Loop over the rest of the ri operands, converting them over. unsigned NumOps = MI->getDesc().getNumOperands()-2; @@ -1990,7 +1990,7 @@ static MachineInstr *FuseInst(MachineFunction &MF, for (unsigned i = 0; i != NumAddrOps; ++i) MIB.addOperand(MOs[i]); if (NumAddrOps < 4) // FrameIndex only - MIB.addImm(1).addReg(0).addImm(0); + addOffset(MIB, 0); } else { MIB.addOperand(MO); } @@ -2008,7 +2008,7 @@ static MachineInstr *MakeM0Inst(const TargetInstrInfo &TII, unsigned Opcode, for (unsigned i = 0; i != NumAddrOps; ++i) MIB.addOperand(MOs[i]); if (NumAddrOps < 4) // FrameIndex only - MIB.addImm(1).addReg(0).addImm(0); + addOffset(MIB, 0); return MIB.addImm(0); } @@ -2164,7 +2164,7 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, } else if (Ops.size() != 1) return NULL; - SmallVector MOs; + SmallVector MOs; if (LoadMI->getOpcode() == X86::V_SET0 || LoadMI->getOpcode() == X86::V_SETALLONES) { // Folding a V_SET0 or V_SETALLONES as a load, to ease register pressure. @@ -2193,6 +2193,7 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF, MOs.push_back(MachineOperand::CreateImm(1)); MOs.push_back(MachineOperand::CreateReg(0, false)); MOs.push_back(MachineOperand::CreateCPI(CPI, 0)); + MOs.push_back(MachineOperand::CreateReg(0, false)); } else { // Folding a normal load. Just copy the load's address operands. unsigned NumOps = LoadMI->getDesc().getNumOperands(); @@ -2882,11 +2883,6 @@ static unsigned GetInstSizeWithDesc(const MachineInstr &MI, FinalSize += sizeConstant(X86InstrInfo::sizeOfImm(Desc)); break; } - case X86::TLS_tp: - case X86::TLS_gs_ri: - FinalSize += 2; - FinalSize += sizeGlobalAddress(false); - break; } CurOp = NumOps; break; diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h index 3bbb51e02f8..e09769ee912 100644 --- a/lib/Target/X86/X86InstrInfo.h +++ b/lib/Target/X86/X86InstrInfo.h @@ -243,7 +243,7 @@ namespace X86II { }; } -const int X86AddrNumOperands = 4; +const int X86AddrNumOperands = 5; inline static bool isScale(const MachineOperand &MO) { return MO.isImm() && @@ -251,7 +251,7 @@ inline static bool isScale(const MachineOperand &MO) { MO.getImm() == 4 || MO.getImm() == 8); } -inline static bool isMem(const MachineInstr *MI, unsigned Op) { +inline static bool isLeaMem(const MachineInstr *MI, unsigned Op) { if (MI->getOperand(Op).isFI()) return true; return Op+4 <= MI->getNumOperands() && MI->getOperand(Op ).isReg() && isScale(MI->getOperand(Op+1)) && @@ -262,6 +262,13 @@ inline static bool isMem(const MachineInstr *MI, unsigned Op) { MI->getOperand(Op+3).isJTI()); } +inline static bool isMem(const MachineInstr *MI, unsigned Op) { + if (MI->getOperand(Op).isFI()) return true; + return Op+5 <= MI->getNumOperands() && + MI->getOperand(Op+4).isReg() && + isLeaMem(MI, Op); +} + class X86InstrInfo : public TargetInstrInfoImpl { X86TargetMachine &TM; const X86RegisterInfo RI; diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index b0f78422e7a..98b11143271 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -65,7 +65,7 @@ def SDTX86Wrapper : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>; def SDT_X86TLSADDR : SDTypeProfile<1, 1, [SDTCisPtrTy<0>, SDTCisInt<1>]>; -def SDT_X86TLSTP : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>; +def SDT_X86SegmentBaseAddress : SDTypeProfile<1, 1, [SDTCisPtrTy<0>]>; def SDT_X86EHRET : SDTypeProfile<0, 1, [SDTCisInt<0>]>; @@ -142,7 +142,8 @@ def X86WrapperRIP : SDNode<"X86ISD::WrapperRIP", SDTX86Wrapper>; def X86tlsaddr : SDNode<"X86ISD::TLSADDR", SDT_X86TLSADDR, [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>; -def X86TLStp : SDNode<"X86ISD::THREAD_POINTER", SDT_X86TLSTP, []>; +def X86SegmentBaseAddress : SDNode<"X86ISD::SegmentBaseAddress", + SDT_X86SegmentBaseAddress, []>; def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET, [SDNPHasChain]>; @@ -167,7 +168,7 @@ def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>; // class X86MemOperand : Operand { let PrintMethod = printMethod; - let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm); + let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm, i8imm); } def i8mem : X86MemOperand<"printi8mem">; @@ -181,7 +182,7 @@ def f80mem : X86MemOperand<"printf80mem">; def f128mem : X86MemOperand<"printf128mem">; def lea32mem : Operand { - let PrintMethod = "printi32mem"; + let PrintMethod = "printlea32mem"; let MIOperandInfo = (ops GR32, i8imm, GR32, i32imm); } @@ -207,7 +208,7 @@ def brtarget : Operand; // // Define X86 specific addressing mode. -def addr : ComplexPattern; +def addr : ComplexPattern; def lea32addr : ComplexPattern; @@ -2922,101 +2923,11 @@ def MOV32_mr : I<0x89, MRMDestMem, (outs), (ins i32mem:$dst, GR32_:$src), // Thread Local Storage Instructions // -// FIXME: there is duplication with the non-TLS case. -// There is a suggestion on how to fix this at -// http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090309/075212.html - let Uses = [EBX] in def TLS_addr32 : I<0, Pseudo, (outs GR32:$dst), (ins i32imm:$sym), "leal\t${sym:mem}(,%ebx,1), $dst", [(set GR32:$dst, (X86tlsaddr tglobaltlsaddr:$sym))]>; -let AddedComplexity = 10 in -def TLS_gs_rr : I<0, Pseudo, (outs GR32:$dst), (ins GR32:$src), - "movl\t%gs:($src), $dst", - [(set GR32:$dst, (load (add X86TLStp, GR32:$src)))]>; - -let AddedComplexity = 15 in -def TLS_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (load (add X86TLStp, (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS16_gs_ri : I<0x8B, Pseudo, (outs GR16:$dst), (ins i32imm:$src), - "movw\t%gs:${src:mem}, $dst", - [(set GR16:$dst, - (load (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS8_gs_ri : I<0x8B, Pseudo, (outs GR8:$dst), (ins i32imm:$src), - "movb\t%gs:${src:mem}, $dst", - [(set GR8:$dst, - (load (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS_ext16_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movzwl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (extloadi32i16 - (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS_sext16_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movswl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (sextloadi32i16 - (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS_zext16_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movzwl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (zextloadi32i16 - (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS_ext8_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movzbl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (extloadi32i8 - (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS_sext8_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movsbl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (sextloadi32i8 - (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -let AddedComplexity = 15 in -def TLS_zext8_gs_ri : I<0x8B, Pseudo, (outs GR32:$dst), (ins i32imm:$src), - "movzbl\t%gs:${src:mem}, $dst", - [(set GR32:$dst, - (zextloadi32i8 - (add X86TLStp, - (X86Wrapper tglobaltlsaddr:$src))))]>, - SegGS; - -def TLS_tp : I<0x8B, Pseudo, (outs GR32:$dst), (ins), - "movl\t%gs:0, $dst", - [(set GR32:$dst, X86TLStp)]>, SegGS; - let AddedComplexity = 5 in def GS_MOV32rm : I<0x8B, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), "movl\t%gs:$src, $dst", diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 3e00c3b4a0d..3ce35bd6255 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -76,18 +76,18 @@ def X86pcmpgtq : SDNode<"X86ISD::PCMPGTQ", SDTIntBinOp>; // These are 'extloads' from a scalar to the low element of a vector, zeroing // the top elements. These are used for the SSE 'ss' and 'sd' instruction // forms. -def sse_load_f32 : ComplexPattern; -def sse_load_f64 : ComplexPattern; def ssmem : Operand { let PrintMethod = "printf32mem"; - let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm); + let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm, i8imm); } def sdmem : Operand { let PrintMethod = "printf64mem"; - let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm); + let MIOperandInfo = (ops ptr_rc, i8imm, ptr_rc, i32imm, i8imm); } //===----------------------------------------------------------------------===// diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 310290213f7..6b0df225fb7 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -971,8 +971,8 @@ void X86RegisterInfo::emitEpilogue(MachineFunction &MF, } else if (MFI->hasVarSizedObjects()) { if (CSSize) { unsigned Opc = Is64Bit ? X86::LEA64r : X86::LEA32r; - MachineInstr *MI = addRegOffset(BuildMI(MF, DL, TII.get(Opc), StackPtr), - FramePtr, false, -CSSize); + MachineInstr *MI = addLeaRegOffset(BuildMI(MF, DL, TII.get(Opc), StackPtr), + FramePtr, false, -CSSize); MBB.insert(MBBI, MI); } else BuildMI(MBB, MBBI, DL, TII.get(Is64Bit ? X86::MOV64rr : X86::MOV32rr), diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index bf0df7a44fb..9ceed351260 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -168,6 +168,14 @@ let Namespace = "X86" in { // Status flags register def EFLAGS : Register<"flags">; + + // Segment registers + def CS : Register<"cs">; + def DS : Register<"ds">; + def SS : Register<"ss">; + def ES : Register<"es">; + def FS : Register<"fs">; + def GS : Register<"gs">; } diff --git a/test/CodeGen/X86/tls10.ll b/test/CodeGen/X86/tls10.ll index a4f2fb1293b..5f022e3992b 100644 --- a/test/CodeGen/X86/tls10.ll +++ b/test/CodeGen/X86/tls10.ll @@ -1,6 +1,6 @@ ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t -; RUN: grep {movl %gs:0, %eax} %t -; RUN: grep {leal i@NTPOFF(%eax), %eax} %t +; RUN: grep {movl \$i@NTPOFF, %eax} %t +; RUN: grep {addl %gs:0, %eax} %t @i = external hidden thread_local global i32 diff --git a/test/CodeGen/X86/tls2.ll b/test/CodeGen/X86/tls2.ll index fb57ae1a391..8edc64ffba4 100644 --- a/test/CodeGen/X86/tls2.ll +++ b/test/CodeGen/X86/tls2.ll @@ -1,6 +1,6 @@ ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t -; RUN: grep {movl %gs:0, %eax} %t -; RUN: grep {leal i@NTPOFF(%eax), %eax} %t +; RUN: grep {movl \$i@NTPOFF, %eax} %t +; RUN: grep {addl %gs:0, %eax} %t @i = thread_local global i32 15 diff --git a/test/CodeGen/X86/tls6.ll b/test/CodeGen/X86/tls6.ll index e0bcade8dd8..fc10a57cc1b 100644 --- a/test/CodeGen/X86/tls6.ll +++ b/test/CodeGen/X86/tls6.ll @@ -1,6 +1,6 @@ ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t -; RUN: grep {movl %gs:0, %eax} %t -; RUN: grep {leal i@NTPOFF(%eax), %eax} %t +; RUN: grep {movl \$i@NTPOFF, %eax} %t +; RUN: grep {addl %gs:0, %eax} %t @i = internal thread_local global i32 15 diff --git a/test/CodeGen/X86/tls8.ll b/test/CodeGen/X86/tls8.ll index 4971fd23ba6..fb570b0118e 100644 --- a/test/CodeGen/X86/tls8.ll +++ b/test/CodeGen/X86/tls8.ll @@ -1,6 +1,6 @@ ; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t -; RUN: grep {movl %gs:0, %eax} %t -; RUN: grep {leal i@NTPOFF(%eax), %eax} %t +; RUN: grep {movl \$i@NTPOFF, %eax} %t +; RUN: grep {addl %gs:0, %eax} %t @i = hidden thread_local global i32 15