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-rw-r--r--support/tools/TableGen/InstrInfoEmitter.cpp128
-rw-r--r--support/tools/TableGen/InstrInfoEmitter.h11
-rw-r--r--utils/TableGen/InstrInfoEmitter.cpp128
-rw-r--r--utils/TableGen/InstrInfoEmitter.h11
4 files changed, 260 insertions, 18 deletions
diff --git a/support/tools/TableGen/InstrInfoEmitter.cpp b/support/tools/TableGen/InstrInfoEmitter.cpp
index cc2d74f..761bdee 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<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.";
+}
diff --git a/support/tools/TableGen/InstrInfoEmitter.h b/support/tools/TableGen/InstrInfoEmitter.h
index bf7e675..0415f04 100644
--- a/support/tools/TableGen/InstrInfoEmitter.h
+++ b/support/tools/TableGen/InstrInfoEmitter.h
@@ -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
diff --git a/utils/TableGen/InstrInfoEmitter.cpp b/utils/TableGen/InstrInfoEmitter.cpp
index cc2d74f..761bdee 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<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.";
+}
diff --git a/utils/TableGen/InstrInfoEmitter.h b/utils/TableGen/InstrInfoEmitter.h
index bf7e675..0415f04 100644
--- a/utils/TableGen/InstrInfoEmitter.h
+++ b/utils/TableGen/InstrInfoEmitter.h
@@ -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
generated by cgit v1.1 at 2024-11-04 02:23:02 +0000