diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp | 112 |
1 files changed, 87 insertions, 25 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp b/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp index 108eb9047903..d06c894c7e05 100644 --- a/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp +++ b/contrib/llvm/lib/Target/Sparc/SparcAsmPrinter.cpp @@ -20,6 +20,7 @@ #include "llvm/ADT/SmallString.h" #include "llvm/CodeGen/AsmPrinter.h" #include "llvm/CodeGen/MachineInstr.h" +#include "llvm/CodeGen/MachineRegisterInfo.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCStreamer.h" #include "llvm/MC/MCSymbol.h" @@ -43,6 +44,7 @@ namespace { const char *Modifier = 0); void printCCOperand(const MachineInstr *MI, int opNum, raw_ostream &OS); + virtual void EmitFunctionBodyStart(); virtual void EmitInstruction(const MachineInstr *MI) { SmallString<128> Str; raw_svector_ostream OS(Str); @@ -60,16 +62,38 @@ namespace { raw_ostream &O); bool printGetPCX(const MachineInstr *MI, unsigned OpNo, raw_ostream &OS); - + virtual bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const; + void EmitGlobalRegisterDecl(unsigned reg) { + SmallString<128> Str; + raw_svector_ostream OS(Str); + OS << "\t.register " + << "%" << StringRef(getRegisterName(reg)).lower() + << ", " + << ((reg == SP::G6 || reg == SP::G7)? "#ignore" : "#scratch"); + OutStreamer.EmitRawText(OS.str()); + } - virtual MachineLocation getDebugValueLocation(const MachineInstr *MI) const; }; } // end of anonymous namespace #include "SparcGenAsmWriter.inc" +void SparcAsmPrinter::EmitFunctionBodyStart() { + if (!TM.getSubtarget<SparcSubtarget>().is64Bit()) + return; + + const MachineRegisterInfo &MRI = MF->getRegInfo(); + const unsigned globalRegs[] = { SP::G2, SP::G3, SP::G6, SP::G7, 0 }; + for (unsigned i = 0; globalRegs[i] != 0; ++i) { + unsigned reg = globalRegs[i]; + if (MRI.use_empty(reg)) + continue; + EmitGlobalRegisterDecl(reg); + } +} + void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum, raw_ostream &O) { const MachineOperand &MO = MI->getOperand (opNum); @@ -81,11 +105,37 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum, assert(TF == SPII::MO_NO_FLAG && "Cannot handle target flags on call address"); else if (MI->getOpcode() == SP::SETHIi) - assert((TF == SPII::MO_HI || TF == SPII::MO_H44 || TF == SPII::MO_HH) && + assert((TF == SPII::MO_HI || TF == SPII::MO_H44 || TF == SPII::MO_HH + || TF == SPII::MO_TLS_GD_HI22 + || TF == SPII::MO_TLS_LDM_HI22 + || TF == SPII::MO_TLS_LDO_HIX22 + || TF == SPII::MO_TLS_IE_HI22 + || TF == SPII::MO_TLS_LE_HIX22) && "Invalid target flags for address operand on sethi"); + else if (MI->getOpcode() == SP::TLS_CALL) + assert((TF == SPII::MO_NO_FLAG + || TF == SPII::MO_TLS_GD_CALL + || TF == SPII::MO_TLS_LDM_CALL) && + "Cannot handle target flags on tls call address"); + else if (MI->getOpcode() == SP::TLS_ADDrr) + assert((TF == SPII::MO_TLS_GD_ADD || TF == SPII::MO_TLS_LDM_ADD + || TF == SPII::MO_TLS_LDO_ADD || TF == SPII::MO_TLS_IE_ADD) && + "Cannot handle target flags on add for TLS"); + else if (MI->getOpcode() == SP::TLS_LDrr) + assert(TF == SPII::MO_TLS_IE_LD && + "Cannot handle target flags on ld for TLS"); + else if (MI->getOpcode() == SP::TLS_LDXrr) + assert(TF == SPII::MO_TLS_IE_LDX && + "Cannot handle target flags on ldx for TLS"); + else if (MI->getOpcode() == SP::XORri) + assert((TF == SPII::MO_TLS_LDO_LOX10 || TF == SPII::MO_TLS_LE_LOX10) && + "Cannot handle target flags on xor for TLS"); else - assert((TF == SPII::MO_LO || TF == SPII::MO_M44 || TF == SPII::MO_L44 || - TF == SPII::MO_HM) && + assert((TF == SPII::MO_LO || TF == SPII::MO_M44 || TF == SPII::MO_L44 + || TF == SPII::MO_HM + || TF == SPII::MO_TLS_GD_LO10 + || TF == SPII::MO_TLS_LDM_LO10 + || TF == SPII::MO_TLS_IE_LO10 ) && "Invalid target flags for small address operand"); } #endif @@ -104,6 +154,24 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum, case SPII::MO_L44: O << "%l44("; break; case SPII::MO_HH: O << "%hh("; break; case SPII::MO_HM: O << "%hm("; break; + case SPII::MO_TLS_GD_HI22: O << "%tgd_hi22("; break; + case SPII::MO_TLS_GD_LO10: O << "%tgd_lo10("; break; + case SPII::MO_TLS_GD_ADD: O << "%tgd_add("; break; + case SPII::MO_TLS_GD_CALL: O << "%tgd_call("; break; + case SPII::MO_TLS_LDM_HI22: O << "%tldm_hi22("; break; + case SPII::MO_TLS_LDM_LO10: O << "%tldm_lo10("; break; + case SPII::MO_TLS_LDM_ADD: O << "%tldm_add("; break; + case SPII::MO_TLS_LDM_CALL: O << "%tldm_call("; break; + case SPII::MO_TLS_LDO_HIX22: O << "%tldo_hix22("; break; + case SPII::MO_TLS_LDO_LOX10: O << "%tldo_lox10("; break; + case SPII::MO_TLS_LDO_ADD: O << "%tldo_add("; break; + case SPII::MO_TLS_IE_HI22: O << "%tie_hi22("; break; + case SPII::MO_TLS_IE_LO10: O << "%tie_lo10("; break; + case SPII::MO_TLS_IE_LD: O << "%tie_ld("; break; + case SPII::MO_TLS_IE_LDX: O << "%tie_ldx("; break; + case SPII::MO_TLS_IE_ADD: O << "%tie_add("; break; + case SPII::MO_TLS_LE_HIX22: O << "%tle_hix22("; break; + case SPII::MO_TLS_LE_LOX10: O << "%tle_lox10("; break; } switch (MO.getType()) { @@ -118,7 +186,10 @@ void SparcAsmPrinter::printOperand(const MachineInstr *MI, int opNum, O << *MO.getMBB()->getSymbol(); return; case MachineOperand::MO_GlobalAddress: - O << *Mang->getSymbol(MO.getGlobal()); + O << *getSymbol(MO.getGlobal()); + break; + case MachineOperand::MO_BlockAddress: + O << GetBlockAddressSymbol(MO.getBlockAddress())->getName(); break; case MachineOperand::MO_ExternalSymbol: O << MO.getSymbolName(); @@ -164,7 +235,7 @@ bool SparcAsmPrinter::printGetPCX(const MachineInstr *MI, unsigned opNum, case MachineOperand::MO_Register: assert(TargetRegisterInfo::isPhysicalRegister(MO.getReg()) && "Operand is not a physical register "); - assert(MO.getReg() != SP::O7 && + assert(MO.getReg() != SP::O7 && "%o7 is assigned as destination for getpcx!"); operand = "%" + StringRef(getRegisterName(MO.getReg())).lower(); break; @@ -177,15 +248,15 @@ bool SparcAsmPrinter::printGetPCX(const MachineInstr *MI, unsigned opNum, O << "\tcall\t.LLGETPC" << mfNum << '_' << bbNum << '\n' ; O << "\t sethi\t" - << "%hi(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum + << "%hi(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum << ")), " << operand << '\n' ; O << ".LLGETPC" << mfNum << '_' << bbNum << ":\n" ; - O << "\tor\t" << operand + O << "\tor\t" << operand << ", %lo(_GLOBAL_OFFSET_TABLE_+(.-.LLGETPCH" << mfNum << '_' << bbNum << ")), " << operand << '\n'; - O << "\tadd\t" << operand << ", %o7, " << operand << '\n'; - + O << "\tadd\t" << operand << ", %o7, " << operand << '\n'; + return true; } @@ -243,19 +314,19 @@ isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const { // then nothing falls through to it. if (MBB->isLandingPad() || MBB->pred_empty()) return false; - + // If there isn't exactly one predecessor, it can't be a fall through. MachineBasicBlock::const_pred_iterator PI = MBB->pred_begin(), PI2 = PI; ++PI2; if (PI2 != MBB->pred_end()) return false; - + // The predecessor has to be immediately before this block. const MachineBasicBlock *Pred = *PI; - + if (!Pred->isLayoutSuccessor(MBB)) return false; - + // Check if the last terminator is an unconditional branch. MachineBasicBlock::const_iterator I = Pred->end(); while (I != Pred->begin() && !(--I)->isTerminator()) @@ -263,17 +334,8 @@ isBlockOnlyReachableByFallthrough(const MachineBasicBlock *MBB) const { return I == Pred->end() || !I->isBarrier(); } -MachineLocation SparcAsmPrinter:: -getDebugValueLocation(const MachineInstr *MI) const { - assert(MI->getNumOperands() == 4 && "Invalid number of operands!"); - assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm() && - "Unexpected MachineOperand types"); - return MachineLocation(MI->getOperand(0).getReg(), - MI->getOperand(1).getImm()); -} - // Force static initialization. -extern "C" void LLVMInitializeSparcAsmPrinter() { +extern "C" void LLVMInitializeSparcAsmPrinter() { RegisterAsmPrinter<SparcAsmPrinter> X(TheSparcTarget); RegisterAsmPrinter<SparcAsmPrinter> Y(TheSparcV9Target); } |