mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-26 21:32:10 +00:00
Finish the instruction info emitter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7543 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
8d44ba8c5c
commit
a3ae6143c1
@ -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<DefInit*>(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<Record*> 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<StringInit*>(LI->getElement(i)),
|
||||
dynamic_cast<IntInit*>(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<BitInit*>(Value)) {
|
||||
if (BI->getValue()) OS << "|(1<<" << Shift << ")";
|
||||
return;
|
||||
} else if (BitsInit *BI = dynamic_cast<BitsInit*>(Value)) {
|
||||
// Convert the Bits to an integer to print...
|
||||
Init *I = BI->convertInitializerTo(new IntRecTy());
|
||||
if (I)
|
||||
if (IntInit *II = dynamic_cast<IntInit*>(I)) {
|
||||
if (II->getValue())
|
||||
OS << "|(" << II->getValue() << "<<" << Shift << ")";
|
||||
return;
|
||||
}
|
||||
|
||||
} else if (IntInit *II = dynamic_cast<IntInit*>(Value)) {
|
||||
if (II->getValue()) OS << "|(" << II->getValue() << "<<" << Shift << ")";
|
||||
return;
|
||||
}
|
||||
|
||||
std::cerr << "Unhandled initializer: " << *Val << "\n";
|
||||
throw "In record '" + R->getName() + "' for TSFlag emission.";
|
||||
}
|
||||
|
||||
@ -10,6 +10,9 @@
|
||||
|
||||
#include <iosfwd>
|
||||
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
|
||||
|
||||
@ -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<DefInit*>(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<Record*> 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<StringInit*>(LI->getElement(i)),
|
||||
dynamic_cast<IntInit*>(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<BitInit*>(Value)) {
|
||||
if (BI->getValue()) OS << "|(1<<" << Shift << ")";
|
||||
return;
|
||||
} else if (BitsInit *BI = dynamic_cast<BitsInit*>(Value)) {
|
||||
// Convert the Bits to an integer to print...
|
||||
Init *I = BI->convertInitializerTo(new IntRecTy());
|
||||
if (I)
|
||||
if (IntInit *II = dynamic_cast<IntInit*>(I)) {
|
||||
if (II->getValue())
|
||||
OS << "|(" << II->getValue() << "<<" << Shift << ")";
|
||||
return;
|
||||
}
|
||||
|
||||
} else if (IntInit *II = dynamic_cast<IntInit*>(Value)) {
|
||||
if (II->getValue()) OS << "|(" << II->getValue() << "<<" << Shift << ")";
|
||||
return;
|
||||
}
|
||||
|
||||
std::cerr << "Unhandled initializer: " << *Val << "\n";
|
||||
throw "In record '" + R->getName() + "' for TSFlag emission.";
|
||||
}
|
||||
|
||||
@ -10,6 +10,9 @@
|
||||
|
||||
#include <iosfwd>
|
||||
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
|
||||
|
||||
Loading…
Reference in New Issue
Block a user