mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-13 07:31:28 +00:00
Finish the register info emitter
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7506 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
09ce077a2d
commit
9fff8919ee
@ -34,33 +34,38 @@ void RegisterInfoEmitter::runEnums(std::ostream &OS) {
|
||||
OS << " enum {\n NoRegister,\n";
|
||||
|
||||
for (unsigned i = 0, e = Registers.size(); i != e; ++i)
|
||||
OS << " " << Registers[i]->getName() << ",\n";
|
||||
OS << " " << Registers[i]->getName() << ",\t// " << i+1 << "\n";
|
||||
|
||||
OS << " };\n";
|
||||
if (!Namespace.empty())
|
||||
OS << "}\n";
|
||||
}
|
||||
|
||||
void RegisterInfoEmitter::runHeader(std::ostream &OS) {
|
||||
static Record *getRegisterInfo(RecordKeeper &RC) {
|
||||
std::vector<Record*> RegisterInfos =
|
||||
Records.getAllDerivedDefinitions("RegisterInfo");
|
||||
|
||||
if (RegisterInfos.size() != 1)
|
||||
throw std::string("ERROR: Multiple subclasses of RegisterInfo defined!");
|
||||
return RegisterInfos[0];
|
||||
}
|
||||
|
||||
void RegisterInfoEmitter::runHeader(std::ostream &OS) {
|
||||
EmitSourceHeader("Register Information Header Fragment", OS);
|
||||
|
||||
std::string ClassName = RegisterInfos[0]->getValueAsString("ClassName");
|
||||
|
||||
std::string ClassName =
|
||||
getRegisterInfo(Records)->getValueAsString("ClassName");
|
||||
|
||||
OS << "#include \"llvm/Target/MRegisterInfo.h\"\n\n";
|
||||
|
||||
OS << "struct " << ClassName << " : public MRegisterInfo {\n"
|
||||
<< " " << ClassName << "();\n"
|
||||
<< " " << ClassName
|
||||
<< "(int CallFrameSetupOpcode = -1, int CallFrameDestroyOpcode = -1);\n"
|
||||
<< " const unsigned* getCalleeSaveRegs() const;\n"
|
||||
<< "};\n\n";
|
||||
}
|
||||
|
||||
static std::string getQualifiedRecordName(Record *R) {
|
||||
static std::string getQualifiedName(Record *R) {
|
||||
std::string Namespace = R->getValueAsString("Namespace");
|
||||
if (Namespace.empty()) return R->getName();
|
||||
return Namespace + "::" + R->getName();
|
||||
@ -82,10 +87,11 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
Record *RegisterClass = Records.getClass("Register");
|
||||
|
||||
std::set<Record*> RegistersFound;
|
||||
std::vector<std::string> RegClassNames;
|
||||
|
||||
// Loop over all of the register classes... emitting each one.
|
||||
OS << "namespace { // Register classes...\n";
|
||||
std::vector<std::string> RegisterClassNames;
|
||||
|
||||
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {
|
||||
Record *RC = RegisterClasses[rc];
|
||||
std::string Name = RC->getName();
|
||||
@ -94,6 +100,8 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
Name = "AnonRegClass_"+utostr(AnonCounter++);
|
||||
}
|
||||
|
||||
RegClassNames.push_back(Name);
|
||||
|
||||
// Emit the register list now...
|
||||
OS << " // " << Name << " Register Class...\n const unsigned " << Name
|
||||
<< "[] = {\n ";
|
||||
@ -106,7 +114,8 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
if (RegistersFound.count(Reg))
|
||||
throw "Register '" + Reg->getName() +
|
||||
"' included in multiple register classes!";
|
||||
OS << getQualifiedRecordName(Reg) << ", ";
|
||||
RegistersFound.insert(Reg);
|
||||
OS << getQualifiedName(Reg) << ", ";
|
||||
}
|
||||
OS << "\n };\n\n";
|
||||
|
||||
@ -123,8 +132,86 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
RC->getName() + "'!";
|
||||
|
||||
OS << " } " << Name << "Instance;\n\n";
|
||||
|
||||
}
|
||||
|
||||
OS << "}\n"; // End of anonymous namespace...
|
||||
OS << " const TargetRegisterClass* const RegisterClasses[] = {\n";
|
||||
for (unsigned i = 0, e = RegClassNames.size(); i != e; ++i)
|
||||
OS << " &" << RegClassNames[i] << "Instance,\n";
|
||||
OS << " };\n";
|
||||
|
||||
// Emit register class aliases...
|
||||
std::vector<Record*> RegisterAliasesRecs =
|
||||
Records.getAllDerivedDefinitions("RegisterAliases");
|
||||
std::map<Record*, std::set<Record*> > RegisterAliases;
|
||||
|
||||
for (unsigned i = 0, e = RegisterAliasesRecs.size(); i != e; ++i) {
|
||||
Record *AS = RegisterAliasesRecs[i];
|
||||
Record *R = AS->getValueAsDef("Reg");
|
||||
ListInit *LI = AS->getValueAsListInit("Aliases");
|
||||
|
||||
// Add information that R aliases all of the elements in the list... and
|
||||
// that everything in the list aliases R.
|
||||
for (unsigned j = 0, e = LI->getSize(); j != e; ++j) {
|
||||
if (RegisterAliases[R].count(LI->getElement(j)))
|
||||
std::cerr << "Warning: register alias between " << getQualifiedName(R)
|
||||
<< " and " << getQualifiedName(LI->getElement(j))
|
||||
<< " specified multiple times!\n";
|
||||
RegisterAliases[R].insert(LI->getElement(j));
|
||||
|
||||
if (RegisterAliases[LI->getElement(j)].count(R))
|
||||
std::cerr << "Warning: register alias between " << getQualifiedName(R)
|
||||
<< " and " << getQualifiedName(LI->getElement(j))
|
||||
<< " specified multiple times!\n";
|
||||
RegisterAliases[LI->getElement(j)].insert(R);
|
||||
}
|
||||
}
|
||||
|
||||
if (!RegisterAliases.empty())
|
||||
OS << "\n\n // Register Alias Sets...\n";
|
||||
|
||||
// Loop over all of the registers which have aliases, emitting the alias list
|
||||
// to memory.
|
||||
for (std::map<Record*, std::set<Record*> >::iterator
|
||||
I = RegisterAliases.begin(), E = RegisterAliases.end(); I != E; ++I) {
|
||||
OS << " const unsigned " << I->first->getName() << "_AliasSet[] = { ";
|
||||
for (std::set<Record*>::iterator ASI = I->second.begin(),
|
||||
E = I->second.end(); ASI != E; ++ASI)
|
||||
OS << getQualifiedName(*ASI) << ", ";
|
||||
OS << "0 };\n";
|
||||
}
|
||||
|
||||
OS << "\n const MRegisterDesc RegisterDescriptors[] = { // Descriptors\n";
|
||||
OS << " { \"NOREG\",\t0,\t\t0,\t0 },\n";
|
||||
// Now that register alias sets have been emitted, emit the register
|
||||
// descriptors now.
|
||||
for (unsigned i = 0, e = Registers.size(); i != e; ++i) {
|
||||
Record *Reg = Registers[i];
|
||||
OS << " { \"" << Reg->getName() << "\",\t";
|
||||
if (RegisterAliases.count(Reg))
|
||||
OS << Reg->getName() << "_AliasSet,\t";
|
||||
else
|
||||
OS << "0,\t\t";
|
||||
OS << "0, 0 },\n";
|
||||
}
|
||||
OS << " };\n"; // End of register descriptors...
|
||||
OS << "}\n\n"; // End of anonymous namespace...
|
||||
|
||||
Record *RegisterInfo = getRegisterInfo(Records);
|
||||
std::string ClassName = RegisterInfo->getValueAsString("ClassName");
|
||||
|
||||
// Emit the constructor of the class...
|
||||
OS << ClassName << "::" << ClassName
|
||||
<< "(int CallFrameSetupOpcode, int CallFrameDestroyOpcode)\n"
|
||||
<< " : MRegisterInfo(RegisterDescriptors, " << Registers.size()+1
|
||||
<< ", RegisterClasses, RegisterClasses+" << RegClassNames.size() << ",\n "
|
||||
<< " CallFrameSetupOpcode, CallFrameDestroyOpcode) {}\n\n";
|
||||
|
||||
// Emit the getCalleeSaveRegs method...
|
||||
OS << "const unsigned* " << ClassName << "::getCalleeSaveRegs() const {\n"
|
||||
<< " static const unsigned CalleeSaveRegs[] = {\n ";
|
||||
|
||||
ListInit *LI = RegisterInfo->getValueAsListInit("CalleeSavedRegisters");
|
||||
for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
|
||||
OS << getQualifiedName(LI->getElement(i)) << ", ";
|
||||
OS << " 0\n };\n return CalleeSaveRegs;\n}\n\n";
|
||||
}
|
||||
|
||||
@ -34,33 +34,38 @@ void RegisterInfoEmitter::runEnums(std::ostream &OS) {
|
||||
OS << " enum {\n NoRegister,\n";
|
||||
|
||||
for (unsigned i = 0, e = Registers.size(); i != e; ++i)
|
||||
OS << " " << Registers[i]->getName() << ",\n";
|
||||
OS << " " << Registers[i]->getName() << ",\t// " << i+1 << "\n";
|
||||
|
||||
OS << " };\n";
|
||||
if (!Namespace.empty())
|
||||
OS << "}\n";
|
||||
}
|
||||
|
||||
void RegisterInfoEmitter::runHeader(std::ostream &OS) {
|
||||
static Record *getRegisterInfo(RecordKeeper &RC) {
|
||||
std::vector<Record*> RegisterInfos =
|
||||
Records.getAllDerivedDefinitions("RegisterInfo");
|
||||
|
||||
if (RegisterInfos.size() != 1)
|
||||
throw std::string("ERROR: Multiple subclasses of RegisterInfo defined!");
|
||||
return RegisterInfos[0];
|
||||
}
|
||||
|
||||
void RegisterInfoEmitter::runHeader(std::ostream &OS) {
|
||||
EmitSourceHeader("Register Information Header Fragment", OS);
|
||||
|
||||
std::string ClassName = RegisterInfos[0]->getValueAsString("ClassName");
|
||||
|
||||
std::string ClassName =
|
||||
getRegisterInfo(Records)->getValueAsString("ClassName");
|
||||
|
||||
OS << "#include \"llvm/Target/MRegisterInfo.h\"\n\n";
|
||||
|
||||
OS << "struct " << ClassName << " : public MRegisterInfo {\n"
|
||||
<< " " << ClassName << "();\n"
|
||||
<< " " << ClassName
|
||||
<< "(int CallFrameSetupOpcode = -1, int CallFrameDestroyOpcode = -1);\n"
|
||||
<< " const unsigned* getCalleeSaveRegs() const;\n"
|
||||
<< "};\n\n";
|
||||
}
|
||||
|
||||
static std::string getQualifiedRecordName(Record *R) {
|
||||
static std::string getQualifiedName(Record *R) {
|
||||
std::string Namespace = R->getValueAsString("Namespace");
|
||||
if (Namespace.empty()) return R->getName();
|
||||
return Namespace + "::" + R->getName();
|
||||
@ -82,10 +87,11 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
Record *RegisterClass = Records.getClass("Register");
|
||||
|
||||
std::set<Record*> RegistersFound;
|
||||
std::vector<std::string> RegClassNames;
|
||||
|
||||
// Loop over all of the register classes... emitting each one.
|
||||
OS << "namespace { // Register classes...\n";
|
||||
std::vector<std::string> RegisterClassNames;
|
||||
|
||||
for (unsigned rc = 0, e = RegisterClasses.size(); rc != e; ++rc) {
|
||||
Record *RC = RegisterClasses[rc];
|
||||
std::string Name = RC->getName();
|
||||
@ -94,6 +100,8 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
Name = "AnonRegClass_"+utostr(AnonCounter++);
|
||||
}
|
||||
|
||||
RegClassNames.push_back(Name);
|
||||
|
||||
// Emit the register list now...
|
||||
OS << " // " << Name << " Register Class...\n const unsigned " << Name
|
||||
<< "[] = {\n ";
|
||||
@ -106,7 +114,8 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
if (RegistersFound.count(Reg))
|
||||
throw "Register '" + Reg->getName() +
|
||||
"' included in multiple register classes!";
|
||||
OS << getQualifiedRecordName(Reg) << ", ";
|
||||
RegistersFound.insert(Reg);
|
||||
OS << getQualifiedName(Reg) << ", ";
|
||||
}
|
||||
OS << "\n };\n\n";
|
||||
|
||||
@ -123,8 +132,86 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
|
||||
RC->getName() + "'!";
|
||||
|
||||
OS << " } " << Name << "Instance;\n\n";
|
||||
|
||||
}
|
||||
|
||||
OS << "}\n"; // End of anonymous namespace...
|
||||
OS << " const TargetRegisterClass* const RegisterClasses[] = {\n";
|
||||
for (unsigned i = 0, e = RegClassNames.size(); i != e; ++i)
|
||||
OS << " &" << RegClassNames[i] << "Instance,\n";
|
||||
OS << " };\n";
|
||||
|
||||
// Emit register class aliases...
|
||||
std::vector<Record*> RegisterAliasesRecs =
|
||||
Records.getAllDerivedDefinitions("RegisterAliases");
|
||||
std::map<Record*, std::set<Record*> > RegisterAliases;
|
||||
|
||||
for (unsigned i = 0, e = RegisterAliasesRecs.size(); i != e; ++i) {
|
||||
Record *AS = RegisterAliasesRecs[i];
|
||||
Record *R = AS->getValueAsDef("Reg");
|
||||
ListInit *LI = AS->getValueAsListInit("Aliases");
|
||||
|
||||
// Add information that R aliases all of the elements in the list... and
|
||||
// that everything in the list aliases R.
|
||||
for (unsigned j = 0, e = LI->getSize(); j != e; ++j) {
|
||||
if (RegisterAliases[R].count(LI->getElement(j)))
|
||||
std::cerr << "Warning: register alias between " << getQualifiedName(R)
|
||||
<< " and " << getQualifiedName(LI->getElement(j))
|
||||
<< " specified multiple times!\n";
|
||||
RegisterAliases[R].insert(LI->getElement(j));
|
||||
|
||||
if (RegisterAliases[LI->getElement(j)].count(R))
|
||||
std::cerr << "Warning: register alias between " << getQualifiedName(R)
|
||||
<< " and " << getQualifiedName(LI->getElement(j))
|
||||
<< " specified multiple times!\n";
|
||||
RegisterAliases[LI->getElement(j)].insert(R);
|
||||
}
|
||||
}
|
||||
|
||||
if (!RegisterAliases.empty())
|
||||
OS << "\n\n // Register Alias Sets...\n";
|
||||
|
||||
// Loop over all of the registers which have aliases, emitting the alias list
|
||||
// to memory.
|
||||
for (std::map<Record*, std::set<Record*> >::iterator
|
||||
I = RegisterAliases.begin(), E = RegisterAliases.end(); I != E; ++I) {
|
||||
OS << " const unsigned " << I->first->getName() << "_AliasSet[] = { ";
|
||||
for (std::set<Record*>::iterator ASI = I->second.begin(),
|
||||
E = I->second.end(); ASI != E; ++ASI)
|
||||
OS << getQualifiedName(*ASI) << ", ";
|
||||
OS << "0 };\n";
|
||||
}
|
||||
|
||||
OS << "\n const MRegisterDesc RegisterDescriptors[] = { // Descriptors\n";
|
||||
OS << " { \"NOREG\",\t0,\t\t0,\t0 },\n";
|
||||
// Now that register alias sets have been emitted, emit the register
|
||||
// descriptors now.
|
||||
for (unsigned i = 0, e = Registers.size(); i != e; ++i) {
|
||||
Record *Reg = Registers[i];
|
||||
OS << " { \"" << Reg->getName() << "\",\t";
|
||||
if (RegisterAliases.count(Reg))
|
||||
OS << Reg->getName() << "_AliasSet,\t";
|
||||
else
|
||||
OS << "0,\t\t";
|
||||
OS << "0, 0 },\n";
|
||||
}
|
||||
OS << " };\n"; // End of register descriptors...
|
||||
OS << "}\n\n"; // End of anonymous namespace...
|
||||
|
||||
Record *RegisterInfo = getRegisterInfo(Records);
|
||||
std::string ClassName = RegisterInfo->getValueAsString("ClassName");
|
||||
|
||||
// Emit the constructor of the class...
|
||||
OS << ClassName << "::" << ClassName
|
||||
<< "(int CallFrameSetupOpcode, int CallFrameDestroyOpcode)\n"
|
||||
<< " : MRegisterInfo(RegisterDescriptors, " << Registers.size()+1
|
||||
<< ", RegisterClasses, RegisterClasses+" << RegClassNames.size() << ",\n "
|
||||
<< " CallFrameSetupOpcode, CallFrameDestroyOpcode) {}\n\n";
|
||||
|
||||
// Emit the getCalleeSaveRegs method...
|
||||
OS << "const unsigned* " << ClassName << "::getCalleeSaveRegs() const {\n"
|
||||
<< " static const unsigned CalleeSaveRegs[] = {\n ";
|
||||
|
||||
ListInit *LI = RegisterInfo->getValueAsListInit("CalleeSavedRegisters");
|
||||
for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
|
||||
OS << getQualifiedName(LI->getElement(i)) << ", ";
|
||||
OS << " 0\n };\n return CalleeSaveRegs;\n}\n\n";
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user