diff --git a/support/tools/TableGen/InstrInfoEmitter.cpp b/support/tools/TableGen/InstrInfoEmitter.cpp index cc2d74fa8d4..761bdeef0c8 100644 --- a/support/tools/TableGen/InstrInfoEmitter.cpp +++ b/support/tools/TableGen/InstrInfoEmitter.cpp @@ -44,22 +44,136 @@ void InstrInfoEmitter::runEnums(std::ostream &OS) { OS << "namespace " << Namespace << " {\n"; OS << " enum {\n"; - // We must emit the PHI and NOOP opcodes first... + // We must emit the PHI opcode first... Record *Target = getTarget(Records); Record *InstrInfo = Target->getValueAsDef("InstructionSet"); - Record *PHI = InstrInfo->getValueAsDef("PHIInst"); - Record *NOOP = InstrInfo->getValueAsDef("NOOPInst"); - OS << " " << PHI->getName() << ", \t// 0 (fixed for all targets)\n" - << " " << NOOP->getName() << ", \t// 1 (fixed for all targets)\n"; + OS << " " << PHI->getName() << ", \t// 0 (fixed for all targets)\n"; // Print out the rest of the instructions now... for (unsigned i = 0, e = Insts.size(); i != e; ++i) - if (Insts[i] != PHI && Insts[i] != NOOP) - OS << " " << Insts[i]->getName() << ", \t// " << i+2 << "\n"; + if (Insts[i] != PHI) + OS << " " << Insts[i]->getName() << ", \t// " << i+1 << "\n"; OS << " };\n"; if (!Namespace.empty()) OS << "}\n"; } + +static void printDefList(ListInit *LI, const std::string &Name, + std::ostream &OS) { + OS << "static const unsigned " << Name << "[] = { "; + for (unsigned j = 0, e = LI->getSize(); j != e; ++j) + if (DefInit *DI = dynamic_cast(LI->getElement(j))) + OS << getQualifiedName(DI->getDef()) << ", "; + else + throw "Illegal value in '" + Name + "' list!"; + OS << "0 };\n"; +} + + +// run - Emit the main instruction description records for the target... +void InstrInfoEmitter::run(std::ostream &OS) { + EmitSourceHeader("Target Instruction Descriptors", OS); + Record *Target = getTarget(Records); + const std::string &TargetName = Target->getName(); + Record *InstrInfo = Target->getValueAsDef("InstructionSet"); + Record *PHI = InstrInfo->getValueAsDef("PHIInst"); + + std::vector Instructions = + Records.getAllDerivedDefinitions("Instruction"); + + // Emit all of the instruction's implicit uses and defs... + for (unsigned i = 0, e = Instructions.size(); i != e; ++i) { + Record *Inst = Instructions[i]; + ListInit *LI = Inst->getValueAsListInit("Uses"); + if (LI->getSize()) printDefList(LI, Inst->getName()+"ImpUses", OS); + LI = Inst->getValueAsListInit("Defs"); + if (LI->getSize()) printDefList(LI, Inst->getName()+"ImpDefs", OS); + } + + OS << "\nstatic const TargetInstrDescriptor " << TargetName + << "Insts[] = {\n"; + emitRecord(PHI, 0, InstrInfo, OS); + + for (unsigned i = 0, e = Instructions.size(); i != e; ++i) + if (Instructions[i] != PHI) + emitRecord(Instructions[i], i+1, InstrInfo, OS); + OS << "};\n"; +} + +void InstrInfoEmitter::emitRecord(Record *R, unsigned Num, Record *InstrInfo, + std::ostream &OS) { + OS << " { \"" << R->getValueAsString("Name") + << "\",\t-1, -1, 0, false, 0, 0, 0, 0"; + + // Emit all of the target indepedent flags... + if (R->getValueAsBit("isReturn")) OS << "|M_RET_FLAG"; + if (R->getValueAsBit("isBranch")) OS << "|M_BRANCH_FLAG"; + if (R->getValueAsBit("isCall" )) OS << "|M_CALL_FLAG"; + if (R->getValueAsBit("isTwoAddress")) OS << "|M_2_ADDR_FLAG"; + if (R->getValueAsBit("isTerminator")) OS << "|M_TERMINATOR_FLAG"; + OS << ", 0"; + + // Emit all of the target-specific flags... + ListInit *LI = InstrInfo->getValueAsListInit("TSFlagsFields"); + ListInit *Shift = InstrInfo->getValueAsListInit("TSFlagsShifts"); + if (LI->getSize() != Shift->getSize()) + throw "Lengths of " + InstrInfo->getName() + + ":(TargetInfoFields, TargetInfoPositions) must be equal!"; + + for (unsigned i = 0, e = LI->getSize(); i != e; ++i) + emitShiftedValue(R, dynamic_cast(LI->getElement(i)), + dynamic_cast(Shift->getElement(i)), OS); + + OS << ", "; + + // Emit the implicit uses and defs lists... + LI = R->getValueAsListInit("Uses"); + if (!LI->getSize()) + OS << "0, "; + else + OS << R->getName() << "ImpUses, "; + + LI = R->getValueAsListInit("Defs"); + if (!LI->getSize()) + OS << "0 "; + else + OS << R->getName() << "ImpDefs "; + + OS << " }, // Inst #" << Num << " = " << R->getName() << "\n"; +} + +void InstrInfoEmitter::emitShiftedValue(Record *R, StringInit *Val, + IntInit *ShiftInt, std::ostream &OS) { + if (Val == 0 || ShiftInt == 0) + throw std::string("Illegal value or shift amount in TargetInfo*!"); + RecordVal *RV = R->getValue(Val->getValue()); + int Shift = ShiftInt->getValue(); + + if (RV == 0 || RV->getValue() == 0) + throw R->getName() + " doesn't have a field named '" + Val->getValue()+"'!"; + + Init *Value = RV->getValue(); + if (BitInit *BI = dynamic_cast(Value)) { + if (BI->getValue()) OS << "|(1<<" << Shift << ")"; + return; + } else if (BitsInit *BI = dynamic_cast(Value)) { + // Convert the Bits to an integer to print... + Init *I = BI->convertInitializerTo(new IntRecTy()); + if (I) + if (IntInit *II = dynamic_cast(I)) { + if (II->getValue()) + OS << "|(" << II->getValue() << "<<" << Shift << ")"; + return; + } + + } else if (IntInit *II = dynamic_cast(Value)) { + if (II->getValue()) OS << "|(" << II->getValue() << "<<" << Shift << ")"; + return; + } + + std::cerr << "Unhandled initializer: " << *Val << "\n"; + throw "In record '" + R->getName() + "' for TSFlag emission."; +} diff --git a/support/tools/TableGen/InstrInfoEmitter.h b/support/tools/TableGen/InstrInfoEmitter.h index bf7e6758a57..0415f043ce4 100644 --- a/support/tools/TableGen/InstrInfoEmitter.h +++ b/support/tools/TableGen/InstrInfoEmitter.h @@ -10,6 +10,9 @@ #include class RecordKeeper; +class Record; +class StringInit; +class IntInit; class InstrInfoEmitter { RecordKeeper &Records; @@ -17,10 +20,14 @@ public: InstrInfoEmitter(RecordKeeper &R) : Records(R) {} // run - Output the instruction set description, returning true on failure. - void run(std::ostream &o); + void run(std::ostream &OS); // runEnums - Print out enum values for all of the instructions. - void runEnums(std::ostream &o); + void runEnums(std::ostream &OS); +private: + void emitRecord(Record *R, unsigned Num, Record *InstrInfo, std::ostream &OS); + void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift, + std::ostream &OS); }; #endif diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp index cc2d74fa8d4..761bdeef0c8 100644 --- a/utils/TableGen/InstrInfoEmitter.cpp +++ b/utils/TableGen/InstrInfoEmitter.cpp @@ -44,22 +44,136 @@ void InstrInfoEmitter::runEnums(std::ostream &OS) { OS << "namespace " << Namespace << " {\n"; OS << " enum {\n"; - // We must emit the PHI and NOOP opcodes first... + // We must emit the PHI opcode first... Record *Target = getTarget(Records); Record *InstrInfo = Target->getValueAsDef("InstructionSet"); - Record *PHI = InstrInfo->getValueAsDef("PHIInst"); - Record *NOOP = InstrInfo->getValueAsDef("NOOPInst"); - OS << " " << PHI->getName() << ", \t// 0 (fixed for all targets)\n" - << " " << NOOP->getName() << ", \t// 1 (fixed for all targets)\n"; + OS << " " << PHI->getName() << ", \t// 0 (fixed for all targets)\n"; // Print out the rest of the instructions now... for (unsigned i = 0, e = Insts.size(); i != e; ++i) - if (Insts[i] != PHI && Insts[i] != NOOP) - OS << " " << Insts[i]->getName() << ", \t// " << i+2 << "\n"; + if (Insts[i] != PHI) + OS << " " << Insts[i]->getName() << ", \t// " << i+1 << "\n"; OS << " };\n"; if (!Namespace.empty()) OS << "}\n"; } + +static void printDefList(ListInit *LI, const std::string &Name, + std::ostream &OS) { + OS << "static const unsigned " << Name << "[] = { "; + for (unsigned j = 0, e = LI->getSize(); j != e; ++j) + if (DefInit *DI = dynamic_cast(LI->getElement(j))) + OS << getQualifiedName(DI->getDef()) << ", "; + else + throw "Illegal value in '" + Name + "' list!"; + OS << "0 };\n"; +} + + +// run - Emit the main instruction description records for the target... +void InstrInfoEmitter::run(std::ostream &OS) { + EmitSourceHeader("Target Instruction Descriptors", OS); + Record *Target = getTarget(Records); + const std::string &TargetName = Target->getName(); + Record *InstrInfo = Target->getValueAsDef("InstructionSet"); + Record *PHI = InstrInfo->getValueAsDef("PHIInst"); + + std::vector Instructions = + Records.getAllDerivedDefinitions("Instruction"); + + // Emit all of the instruction's implicit uses and defs... + for (unsigned i = 0, e = Instructions.size(); i != e; ++i) { + Record *Inst = Instructions[i]; + ListInit *LI = Inst->getValueAsListInit("Uses"); + if (LI->getSize()) printDefList(LI, Inst->getName()+"ImpUses", OS); + LI = Inst->getValueAsListInit("Defs"); + if (LI->getSize()) printDefList(LI, Inst->getName()+"ImpDefs", OS); + } + + OS << "\nstatic const TargetInstrDescriptor " << TargetName + << "Insts[] = {\n"; + emitRecord(PHI, 0, InstrInfo, OS); + + for (unsigned i = 0, e = Instructions.size(); i != e; ++i) + if (Instructions[i] != PHI) + emitRecord(Instructions[i], i+1, InstrInfo, OS); + OS << "};\n"; +} + +void InstrInfoEmitter::emitRecord(Record *R, unsigned Num, Record *InstrInfo, + std::ostream &OS) { + OS << " { \"" << R->getValueAsString("Name") + << "\",\t-1, -1, 0, false, 0, 0, 0, 0"; + + // Emit all of the target indepedent flags... + if (R->getValueAsBit("isReturn")) OS << "|M_RET_FLAG"; + if (R->getValueAsBit("isBranch")) OS << "|M_BRANCH_FLAG"; + if (R->getValueAsBit("isCall" )) OS << "|M_CALL_FLAG"; + if (R->getValueAsBit("isTwoAddress")) OS << "|M_2_ADDR_FLAG"; + if (R->getValueAsBit("isTerminator")) OS << "|M_TERMINATOR_FLAG"; + OS << ", 0"; + + // Emit all of the target-specific flags... + ListInit *LI = InstrInfo->getValueAsListInit("TSFlagsFields"); + ListInit *Shift = InstrInfo->getValueAsListInit("TSFlagsShifts"); + if (LI->getSize() != Shift->getSize()) + throw "Lengths of " + InstrInfo->getName() + + ":(TargetInfoFields, TargetInfoPositions) must be equal!"; + + for (unsigned i = 0, e = LI->getSize(); i != e; ++i) + emitShiftedValue(R, dynamic_cast(LI->getElement(i)), + dynamic_cast(Shift->getElement(i)), OS); + + OS << ", "; + + // Emit the implicit uses and defs lists... + LI = R->getValueAsListInit("Uses"); + if (!LI->getSize()) + OS << "0, "; + else + OS << R->getName() << "ImpUses, "; + + LI = R->getValueAsListInit("Defs"); + if (!LI->getSize()) + OS << "0 "; + else + OS << R->getName() << "ImpDefs "; + + OS << " }, // Inst #" << Num << " = " << R->getName() << "\n"; +} + +void InstrInfoEmitter::emitShiftedValue(Record *R, StringInit *Val, + IntInit *ShiftInt, std::ostream &OS) { + if (Val == 0 || ShiftInt == 0) + throw std::string("Illegal value or shift amount in TargetInfo*!"); + RecordVal *RV = R->getValue(Val->getValue()); + int Shift = ShiftInt->getValue(); + + if (RV == 0 || RV->getValue() == 0) + throw R->getName() + " doesn't have a field named '" + Val->getValue()+"'!"; + + Init *Value = RV->getValue(); + if (BitInit *BI = dynamic_cast(Value)) { + if (BI->getValue()) OS << "|(1<<" << Shift << ")"; + return; + } else if (BitsInit *BI = dynamic_cast(Value)) { + // Convert the Bits to an integer to print... + Init *I = BI->convertInitializerTo(new IntRecTy()); + if (I) + if (IntInit *II = dynamic_cast(I)) { + if (II->getValue()) + OS << "|(" << II->getValue() << "<<" << Shift << ")"; + return; + } + + } else if (IntInit *II = dynamic_cast(Value)) { + if (II->getValue()) OS << "|(" << II->getValue() << "<<" << Shift << ")"; + return; + } + + std::cerr << "Unhandled initializer: " << *Val << "\n"; + throw "In record '" + R->getName() + "' for TSFlag emission."; +} diff --git a/utils/TableGen/InstrInfoEmitter.h b/utils/TableGen/InstrInfoEmitter.h index bf7e6758a57..0415f043ce4 100644 --- a/utils/TableGen/InstrInfoEmitter.h +++ b/utils/TableGen/InstrInfoEmitter.h @@ -10,6 +10,9 @@ #include class RecordKeeper; +class Record; +class StringInit; +class IntInit; class InstrInfoEmitter { RecordKeeper &Records; @@ -17,10 +20,14 @@ public: InstrInfoEmitter(RecordKeeper &R) : Records(R) {} // run - Output the instruction set description, returning true on failure. - void run(std::ostream &o); + void run(std::ostream &OS); // runEnums - Print out enum values for all of the instructions. - void runEnums(std::ostream &o); + void runEnums(std::ostream &OS); +private: + void emitRecord(Record *R, unsigned Num, Record *InstrInfo, std::ostream &OS); + void emitShiftedValue(Record *R, StringInit *Val, IntInit *Shift, + std::ostream &OS); }; #endif