diff options
Diffstat (limited to 'lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp')
| -rw-r--r-- | lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp | 192 |
1 files changed, 97 insertions, 95 deletions
diff --git a/lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp b/lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp index ee2c7c8e05fb..b1df926864e6 100644 --- a/lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp +++ b/lib/Target/MBlaze/AsmPrinter/MBlazeAsmPrinter.cpp @@ -23,7 +23,6 @@ #include "llvm/DerivedTypes.h" #include "llvm/Module.h" #include "llvm/CodeGen/AsmPrinter.h" -#include "llvm/CodeGen/DwarfWriter.h" #include "llvm/CodeGen/MachineFunctionPass.h" #include "llvm/CodeGen/MachineConstantPool.h" #include "llvm/CodeGen/MachineFrameInfo.h" @@ -37,13 +36,10 @@ #include "llvm/Target/TargetMachine.h" #include "llvm/Target/TargetOptions.h" #include "llvm/Target/TargetRegistry.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/ADT/Statistic.h" +#include "llvm/ADT/SmallString.h" #include "llvm/ADT/StringExtras.h" -#include "llvm/Support/Debug.h" -#include "llvm/Support/CommandLine.h" -#include "llvm/Support/FormattedStream.h" -#include "llvm/Support/MathExtras.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/raw_ostream.h" #include <cctype> using namespace llvm; @@ -52,9 +48,8 @@ namespace { class MBlazeAsmPrinter : public AsmPrinter { const MBlazeSubtarget *Subtarget; public: - explicit MBlazeAsmPrinter(formatted_raw_ostream &O, TargetMachine &TM, - MCStreamer &Streamer) - : AsmPrinter(O, TM, Streamer) { + explicit MBlazeAsmPrinter(TargetMachine &TM, MCStreamer &Streamer) + : AsmPrinter(TM, Streamer) { Subtarget = &TM.getSubtarget<MBlazeSubtarget>(); } @@ -63,31 +58,32 @@ namespace { } bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, - unsigned AsmVariant, const char *ExtraCode); - void printOperand(const MachineInstr *MI, int opNum); - void printUnsignedImm(const MachineInstr *MI, int opNum); - void printFSLImm(const MachineInstr *MI, int opNum); - void printMemOperand(const MachineInstr *MI, int opNum, + unsigned AsmVariant, const char *ExtraCode, + raw_ostream &O); + void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O); + void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O); + void printFSLImm(const MachineInstr *MI, int opNum, raw_ostream &O); + void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O, const char *Modifier = 0); - void printFCCOperand(const MachineInstr *MI, int opNum, + void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O, const char *Modifier = 0); - void printSavedRegsBitmask(); - void printHex32(unsigned int Value); + void printSavedRegsBitmask(raw_ostream &OS); const char *emitCurrentABIString(); void emitFrameDirective(); - void printInstruction(const MachineInstr *MI); // autogenerated. + void printInstruction(const MachineInstr *MI, raw_ostream &O); void EmitInstruction(const MachineInstr *MI) { - printInstruction(MI); - O << '\n'; + SmallString<128> Str; + raw_svector_ostream OS(Str); + printInstruction(MI, OS); + OutStreamer.EmitRawText(OS.str()); } virtual void EmitFunctionBodyStart(); virtual void EmitFunctionBodyEnd(); static const char *getRegisterName(unsigned RegNo); virtual void EmitFunctionEntryLabel(); - void EmitStartOfAsmFile(Module &M); }; } // end of anonymous namespace @@ -128,9 +124,17 @@ namespace { // Mask directives //===----------------------------------------------------------------------===// +// Print a 32 bit hex number with all numbers. +static void printHex32(unsigned int Value, raw_ostream &O) { + O << "0x"; + for (int i = 7; i >= 0; i--) + O << utohexstr((Value & (0xF << (i*4))) >> (i*4)); +} + + // Create a bitmask with all callee saved registers for CPU or Floating Point // registers. For CPU registers consider RA, GP and FP for saving if necessary. -void MBlazeAsmPrinter::printSavedRegsBitmask() { +void MBlazeAsmPrinter::printSavedRegsBitmask(raw_ostream &O) { const TargetRegisterInfo &RI = *TM.getRegisterInfo(); const MBlazeFunctionInfo *MBlazeFI = MF->getInfo<MBlazeFunctionInfo>(); @@ -156,15 +160,8 @@ void MBlazeAsmPrinter::printSavedRegsBitmask() { getRegisterNumbering(RI.getRARegister())); // Print CPUBitmask - O << "\t.mask \t"; printHex32(CPUBitmask); O << ',' - << MBlazeFI->getCPUTopSavedRegOff() << '\n'; -} - -// Print a 32 bit hex number with all numbers. -void MBlazeAsmPrinter::printHex32(unsigned int Value) { - O << "0x"; - for (int i = 7; i >= 0; i--) - O << utohexstr( (Value & (0xF << (i*4))) >> (i*4) ); + O << "\t.mask \t"; printHex32(CPUBitmask, O); + O << ',' << MBlazeFI->getCPUTopSavedRegOff() << '\n'; } //===----------------------------------------------------------------------===// @@ -180,122 +177,127 @@ void MBlazeAsmPrinter::emitFrameDirective() { unsigned stackSize = MF->getFrameInfo()->getStackSize(); - O << "\t.frame\t" << getRegisterName(stackReg) - << ',' << stackSize << ',' - << getRegisterName(returnReg) - << '\n'; + OutStreamer.EmitRawText("\t.frame\t" + Twine(getRegisterName(stackReg)) + + "," + Twine(stackSize) + "," + + Twine(getRegisterName(returnReg))); } void MBlazeAsmPrinter::EmitFunctionEntryLabel() { - O << "\t.ent\t" << *CurrentFnSym << '\n'; - OutStreamer.EmitLabel(CurrentFnSym); + OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName())); + OutStreamer.EmitLabel(CurrentFnSym); } /// EmitFunctionBodyStart - Targets can override this to emit stuff before /// the first basic block in the function. void MBlazeAsmPrinter::EmitFunctionBodyStart() { emitFrameDirective(); - printSavedRegsBitmask(); + + SmallString<128> Str; + raw_svector_ostream OS(Str); + printSavedRegsBitmask(OS); + OutStreamer.EmitRawText(OS.str()); } /// EmitFunctionBodyEnd - Targets can override this to emit stuff after /// the last basic block in the function. void MBlazeAsmPrinter::EmitFunctionBodyEnd() { - O << "\t.end\t" << *CurrentFnSym << '\n'; + OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName())); } // Print out an operand for an inline asm expression. bool MBlazeAsmPrinter:: PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, - unsigned AsmVariant,const char *ExtraCode){ + unsigned AsmVariant,const char *ExtraCode, raw_ostream &O) { // Does this asm operand have a single letter operand modifier? if (ExtraCode && ExtraCode[0]) return true; // Unknown modifier. - printOperand(MI, OpNo); + printOperand(MI, OpNo, O); return false; } -void MBlazeAsmPrinter::printOperand(const MachineInstr *MI, int opNum) { +void MBlazeAsmPrinter::printOperand(const MachineInstr *MI, int opNum, + raw_ostream &O) { const MachineOperand &MO = MI->getOperand(opNum); switch (MO.getType()) { - case MachineOperand::MO_Register: - O << getRegisterName(MO.getReg()); - break; - - case MachineOperand::MO_Immediate: - O << (int)MO.getImm(); - break; - - case MachineOperand::MO_FPImmediate: { - const ConstantFP* fp = MO.getFPImm(); - printHex32(fp->getValueAPF().bitcastToAPInt().getZExtValue()); - O << ";\t# immediate = " << *fp; - break; - } - - case MachineOperand::MO_MachineBasicBlock: - O << *MO.getMBB()->getSymbol(); - return; - - case MachineOperand::MO_GlobalAddress: - O << *Mang->getSymbol(MO.getGlobal()); - break; - - case MachineOperand::MO_ExternalSymbol: - O << *GetExternalSymbolSymbol(MO.getSymbolName()); - break; - - case MachineOperand::MO_JumpTableIndex: - O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() - << '_' << MO.getIndex(); - break; - - case MachineOperand::MO_ConstantPoolIndex: - O << MAI->getPrivateGlobalPrefix() << "CPI" - << getFunctionNumber() << "_" << MO.getIndex(); - if (MO.getOffset()) - O << "+" << MO.getOffset(); - break; - - default: - llvm_unreachable("<unknown operand type>"); + case MachineOperand::MO_Register: + O << getRegisterName(MO.getReg()); + break; + + case MachineOperand::MO_Immediate: + O << (int)MO.getImm(); + break; + + case MachineOperand::MO_FPImmediate: { + const ConstantFP *fp = MO.getFPImm(); + printHex32(fp->getValueAPF().bitcastToAPInt().getZExtValue(), O); + O << ";\t# immediate = " << *fp; + break; + } + + case MachineOperand::MO_MachineBasicBlock: + O << *MO.getMBB()->getSymbol(); + return; + + case MachineOperand::MO_GlobalAddress: + O << *Mang->getSymbol(MO.getGlobal()); + break; + + case MachineOperand::MO_ExternalSymbol: + O << *GetExternalSymbolSymbol(MO.getSymbolName()); + break; + + case MachineOperand::MO_JumpTableIndex: + O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() + << '_' << MO.getIndex(); + break; + + case MachineOperand::MO_ConstantPoolIndex: + O << MAI->getPrivateGlobalPrefix() << "CPI" + << getFunctionNumber() << "_" << MO.getIndex(); + if (MO.getOffset()) + O << "+" << MO.getOffset(); + break; + + default: + llvm_unreachable("<unknown operand type>"); } } -void MBlazeAsmPrinter::printUnsignedImm(const MachineInstr *MI, int opNum) { +void MBlazeAsmPrinter::printUnsignedImm(const MachineInstr *MI, int opNum, + raw_ostream &O) { const MachineOperand &MO = MI->getOperand(opNum); if (MO.getType() == MachineOperand::MO_Immediate) O << (unsigned int)MO.getImm(); else - printOperand(MI, opNum); + printOperand(MI, opNum, O); } -void MBlazeAsmPrinter::printFSLImm(const MachineInstr *MI, int opNum) { +void MBlazeAsmPrinter::printFSLImm(const MachineInstr *MI, int opNum, + raw_ostream &O) { const MachineOperand &MO = MI->getOperand(opNum); if (MO.getType() == MachineOperand::MO_Immediate) O << "rfsl" << (unsigned int)MO.getImm(); else - printOperand(MI, opNum); + printOperand(MI, opNum, O); } void MBlazeAsmPrinter:: -printMemOperand(const MachineInstr *MI, int opNum, const char *Modifier) { - printOperand(MI, opNum+1); +printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O, + const char *Modifier) { + printOperand(MI, opNum+1, O); O << ", "; - printOperand(MI, opNum); + printOperand(MI, opNum, O); } void MBlazeAsmPrinter:: -printFCCOperand(const MachineInstr *MI, int opNum, const char *Modifier) { +printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O, + const char *Modifier) { const MachineOperand& MO = MI->getOperand(opNum); O << MBlaze::MBlazeFCCToString((MBlaze::CondCode)MO.getImm()); } -void MBlazeAsmPrinter::EmitStartOfAsmFile(Module &M) { -} - // Force static initialization. extern "C" void LLVMInitializeMBlazeAsmPrinter() { RegisterAsmPrinter<MBlazeAsmPrinter> X(TheMBlazeTarget); |