#include "SubtargetEmitter.h"
#include "CodeGenTarget.h"
-#include "Record.h"
+#include "llvm/TableGen/Record.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Debug.h"
#include <algorithm>
OS << "namespace " << Target << " {\n";
- // Open enumeration
- OS << "enum {\n";
+ // For bit flag enumerations with more than 32 items, emit constants.
+ // Emit an enum for everything else.
+ if (isBits && N > 32) {
+ // For each record
+ for (unsigned i = 0; i < N; i++) {
+ // Next record
+ Record *Def = DefList[i];
- // For each record
- for (unsigned i = 0; i < N;) {
- // Next record
- Record *Def = DefList[i];
+ // Get and emit name and expression (1 << i)
+ OS << " const uint64_t " << Def->getName() << " = 1ULL << " << i << ";\n";
+ }
+ } else {
+ // Open enumeration
+ OS << "enum {\n";
- // Get and emit name
- OS << " " << Def->getName();
+ // For each record
+ for (unsigned i = 0; i < N;) {
+ // Next record
+ Record *Def = DefList[i];
- // If bit flags then emit expression (1 << i)
- if (isBits) OS << " = " << " 1ULL << " << i;
+ // Get and emit name
+ OS << " " << Def->getName();
- // Depending on 'if more in the list' emit comma
- if (++i < N) OS << ",";
+ // If bit flags then emit expression (1 << i)
+ if (isBits) OS << " = " << " 1ULL << " << i;
- OS << "\n";
- }
+ // Depending on 'if more in the list' emit comma
+ if (++i < N) OS << ",";
- // Close enumeration
- OS << "};\n";
+ OS << "\n";
+ }
+
+ // Close enumeration
+ OS << "};\n";
+ }
OS << "}\n";
}
// Begin feature table
OS << "// Sorted (by key) array of values for CPU features.\n"
- << "static const llvm::SubtargetFeatureKV "
- << Target << "FeatureKV[] = {\n";
+ << "extern const llvm::SubtargetFeatureKV " << Target
+ << "FeatureKV[] = {\n";
// For each feature
unsigned NumFeatures = 0;
// Begin processor table
OS << "// Sorted (by key) array of values for CPU subtype.\n"
- << "static const llvm::SubtargetFeatureKV "
- << Target << "SubTypeKV[] = {\n";
+ << "extern const llvm::SubtargetFeatureKV " << Target
+ << "SubTypeKV[] = {\n";
// For each processor
for (unsigned i = 0, N = ProcessorList.size(); i < N;) {
}
// Begin stages table
- std::string StageTable = "\nstatic const llvm::InstrStage " + Target +
- "Stages[] = {\n";
+ std::string StageTable = "\nextern const llvm::InstrStage " + Target +
+ "Stages[] = {\n";
StageTable += " { 0, 0, 0, llvm::InstrStage::Required }, // No itinerary\n";
// Begin operand cycle table
- std::string OperandCycleTable = "static const unsigned " + Target +
+ std::string OperandCycleTable = "extern const unsigned " + Target +
"OperandCycles[] = {\n";
OperandCycleTable += " 0, // No itinerary\n";
// Begin pipeline bypass table
- std::string BypassTable = "static const unsigned " + Target +
+ std::string BypassTable = "extern const unsigned " + Target +
"ForwardingPathes[] = {\n";
BypassTable += " 0, // No itinerary\n";
// Begin processor table
OS << "\n";
OS << "// Sorted (by key) array of itineraries for CPU subtype.\n"
- << "static const llvm::SubtargetInfoKV "
+ << "extern const llvm::SubtargetInfoKV "
<< Target << "ProcItinKV[] = {\n";
// For each processor
<< "// subtarget options.\n"
<< "void llvm::";
OS << Target;
- OS << "Subtarget::ParseSubtargetFeatures(const std::string &FS,\n"
- << " const std::string &CPU) {\n"
+ OS << "Subtarget::ParseSubtargetFeatures(StringRef CPU, StringRef FS) {\n"
<< " DEBUG(dbgs() << \"\\nFeatures:\" << FS);\n"
<< " DEBUG(dbgs() << \"\\nCPU:\" << CPU);\n";
return;
}
- OS << " SubtargetFeatures Features(FS);\n"
- << " uint64_t Bits = Features.getFeatureBits(CPU, "
- << Target << "SubTypeKV, " << NumProcs << ",\n"
- << " " << Target << "FeatureKV, "
- << NumFeatures << ");\n";
+ OS << " uint64_t Bits = ReInitMCSubtargetInfo(CPU, FS);\n";
for (unsigned i = 0; i < Features.size(); i++) {
// Next record
const std::string &Attribute = R->getValueAsString("Attribute");
if (Value=="true" || Value=="false")
- OS << " if ((Bits & " << Target << "::" << Instance << ") != 0) "
+ OS << " if ((Bits & " << Target << "::"
+ << Instance << ") != 0) "
<< Attribute << " = " << Value << ";\n";
else
- OS << " if ((Bits & " << Target << "::" << Instance << ") != 0 && "
+ OS << " if ((Bits & " << Target << "::"
+ << Instance << ") != 0 && "
<< Attribute << " < " << Value << ") "
<< Attribute << " = " << Value << ";\n";
}
EmitSourceFileHeader("Subtarget Enumeration Source Fragment", OS);
+ OS << "\n#ifdef GET_SUBTARGETINFO_ENUM\n";
+ OS << "#undef GET_SUBTARGETINFO_ENUM\n";
+
+ OS << "namespace llvm {\n";
+ Enumeration(OS, "SubtargetFeature", true);
+ OS << "} // End llvm namespace \n";
+ OS << "#endif // GET_SUBTARGETINFO_ENUM\n\n";
+
OS << "\n#ifdef GET_SUBTARGETINFO_MC_DESC\n";
OS << "#undef GET_SUBTARGETINFO_MC_DESC\n";
OS << "namespace llvm {\n";
- Enumeration(OS, "SubtargetFeature", true);
- OS<<"\n";
+#if 0
+ OS << "namespace {\n";
+#endif
unsigned NumFeatures = FeatureKeyValues(OS);
- OS<<"\n";
+ OS << "\n";
unsigned NumProcs = CPUKeyValues(OS);
- OS<<"\n";
+ OS << "\n";
EmitData(OS);
- OS<<"\n";
+ OS << "\n";
+#if 0
+ OS << "}\n";
+#endif
// MCInstrInfo initialization routine.
OS << "static inline void Init" << Target
- << "MCSubtargetInfo(MCSubtargetInfo *II) {\n";
- OS << " II->InitMCSubtargetInfo(";
+ << "MCSubtargetInfo(MCSubtargetInfo *II, "
+ << "StringRef TT, StringRef CPU, StringRef FS) {\n";
+ OS << " II->InitMCSubtargetInfo(TT, CPU, FS, ";
if (NumFeatures)
OS << Target << "FeatureKV, ";
else
std::string ClassName = Target + "GenSubtargetInfo";
OS << "namespace llvm {\n";
+ OS << "class DFAPacketizer;\n";
OS << "struct " << ClassName << " : public TargetSubtargetInfo {\n"
- << " explicit " << ClassName << "();\n"
+ << " explicit " << ClassName << "(StringRef TT, StringRef CPU, "
+ << "StringRef FS);\n"
+ << "public:\n"
+ << " DFAPacketizer *createDFAPacketizer(const InstrItineraryData *IID)"
+ << " const;\n"
<< "};\n";
OS << "} // End llvm namespace \n";
OS << "#undef GET_SUBTARGETINFO_CTOR\n";
OS << "namespace llvm {\n";
- OS << ClassName << "::" << ClassName << "()\n"
+ OS << "extern const llvm::SubtargetFeatureKV " << Target << "FeatureKV[];\n";
+ OS << "extern const llvm::SubtargetFeatureKV " << Target << "SubTypeKV[];\n";
+ if (HasItineraries) {
+ OS << "extern const llvm::SubtargetInfoKV " << Target << "ProcItinKV[];\n";
+ OS << "extern const llvm::InstrStage " << Target << "Stages[];\n";
+ OS << "extern const unsigned " << Target << "OperandCycles[];\n";
+ OS << "extern const unsigned " << Target << "ForwardingPathes[];\n";
+ }
+
+ OS << ClassName << "::" << ClassName << "(StringRef TT, StringRef CPU, "
+ << "StringRef FS)\n"
<< " : TargetSubtargetInfo() {\n"
- << " InitMCSubtargetInfo(";
+ << " InitMCSubtargetInfo(TT, CPU, FS, ";
if (NumFeatures)
OS << Target << "FeatureKV, ";
else