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Add the SubRegIndex TableGen class.

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This is the beginning of purely symbolic subregister indices, but we need a bit
of jiggling before the explicit numeric indices can be completely removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104492 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-05-24 14:48:12 +00:00
parent 3816c25fdc
commit 73ea7bf450
11 changed files with 94 additions and 57 deletions
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25
utils/TableGen/RegisterInfoEmitter.cpp
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@@ -35,14 +35,31 @@ void RegisterInfoEmitter::runEnums(raw_ostream &OS) {
if (!Namespace.empty())
OS << "namespace " << Namespace << " {\n";
OS << " enum {\n NoRegister,\n";
OS << "enum {\n NoRegister,\n";
for (unsigned i = 0, e = Registers.size(); i != e; ++i)
OS << " " << Registers[i].getName() << ", \t// " << i+1 << "\n";
OS << " NUM_TARGET_REGS \t// " << Registers.size()+1 << "\n";
OS << " };\n";
OS << " " << Registers[i].getName() << ", \t// " << i+1 << "\n";
OS << " NUM_TARGET_REGS \t// " << Registers.size()+1 << "\n";
OS << "};\n";
if (!Namespace.empty())
OS << "}\n";
const std::vector<Record*> SubRegIndices =
Records.getAllDerivedDefinitions("SubRegIndex");
if (!SubRegIndices.empty()) {
OS << "\n// Subregister indices\n";
Namespace = SubRegIndices[0]->getValueAsString("Namespace");
if (!Namespace.empty())
OS << "namespace " << Namespace << " {\n";
OS << "enum {\n NoSubRegister,\n";
for (unsigned i = 0, e = SubRegIndices.size(); i != e; ++i)
OS << " " << SubRegIndices[i]->getName() << " = "
<< SubRegIndices[i]->getValueAsInt("NumberHack") << ",\n";
OS << " NUM_TARGET_SUBREGS = " << SubRegIndices.size()+1 << "\n";
OS << "};\n";
if (!Namespace.empty())
OS << "}\n";
}
OS << "} // End llvm namespace \n";
}