//
//===----------------------------------------------------------------------===//
-#include "EDEmitter.h"
-
#include "AsmWriterInst.h"
#include "CodeGenTarget.h"
-
-#include "llvm/TableGen/Record.h"
#include "llvm/MC/EDInstInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
-
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/TableGenBackend.h"
#include <string>
#include <vector>
using namespace llvm;
+// TODO: There's a suspiciously large amount of "table" data in this
+// backend which should probably be in the TableGen file itself.
+
///////////////////////////////////////////////////////////
// Support classes for emitting nested C data structures //
///////////////////////////////////////////////////////////
-namespace {
+// TODO: These classes are probably generally useful to other backends;
+// add them to TableGen's "helper" API's.
- class EnumEmitter {
- private:
- std::string Name;
- std::vector<std::string> Entries;
- public:
- EnumEmitter(const char *N) : Name(N) {
- }
- int addEntry(const char *e) {
- Entries.push_back(std::string(e));
- return Entries.size() - 1;
+namespace {
+class EnumEmitter {
+private:
+ std::string Name;
+ std::vector<std::string> Entries;
+public:
+ EnumEmitter(const char *N) : Name(N) {
+ }
+ int addEntry(const char *e) {
+ Entries.push_back(std::string(e));
+ return Entries.size() - 1;
+ }
+ void emit(raw_ostream &o, unsigned int &i) {
+ o.indent(i) << "enum " << Name.c_str() << " {" << "\n";
+ i += 2;
+
+ unsigned int index = 0;
+ unsigned int numEntries = Entries.size();
+ for (index = 0; index < numEntries; ++index) {
+ o.indent(i) << Entries[index];
+ if (index < (numEntries - 1))
+ o << ",";
+ o << "\n";
}
- void emit(raw_ostream &o, unsigned int &i) {
- o.indent(i) << "enum " << Name.c_str() << " {" << "\n";
- i += 2;
-
- unsigned int index = 0;
- unsigned int numEntries = Entries.size();
- for (index = 0; index < numEntries; ++index) {
- o.indent(i) << Entries[index];
- if (index < (numEntries - 1))
- o << ",";
- o << "\n";
- }
- i -= 2;
- o.indent(i) << "};" << "\n";
+ i -= 2;
+ o.indent(i) << "};" << "\n";
+ }
+
+ void emitAsFlags(raw_ostream &o, unsigned int &i) {
+ o.indent(i) << "enum " << Name.c_str() << " {" << "\n";
+ i += 2;
+
+ unsigned int index = 0;
+ unsigned int numEntries = Entries.size();
+ unsigned int flag = 1;
+ for (index = 0; index < numEntries; ++index) {
+ o.indent(i) << Entries[index] << " = " << format("0x%x", flag);
+ if (index < (numEntries - 1))
+ o << ",";
+ o << "\n";
+ flag <<= 1;
}
- void emitAsFlags(raw_ostream &o, unsigned int &i) {
- o.indent(i) << "enum " << Name.c_str() << " {" << "\n";
- i += 2;
-
- unsigned int index = 0;
- unsigned int numEntries = Entries.size();
- unsigned int flag = 1;
- for (index = 0; index < numEntries; ++index) {
- o.indent(i) << Entries[index] << " = " << format("0x%x", flag);
- if (index < (numEntries - 1))
- o << ",";
- o << "\n";
- flag <<= 1;
- }
+ i -= 2;
+ o.indent(i) << "};" << "\n";
+ }
+};
+} // End anonymous namespace
- i -= 2;
- o.indent(i) << "};" << "\n";
- }
- };
+namespace {
+class ConstantEmitter {
+public:
+ virtual ~ConstantEmitter() { }
+ virtual void emit(raw_ostream &o, unsigned int &i) = 0;
+};
+} // End anonymous namespace
- class ConstantEmitter {
- public:
- virtual ~ConstantEmitter() { }
- virtual void emit(raw_ostream &o, unsigned int &i) = 0;
+namespace {
+class LiteralConstantEmitter : public ConstantEmitter {
+private:
+ bool IsNumber;
+ union {
+ int Number;
+ const char* String;
};
+public:
+ LiteralConstantEmitter(int number = 0) :
+ IsNumber(true),
+ Number(number) {
+ }
+ void set(const char *string) {
+ IsNumber = false;
+ Number = 0;
+ String = string;
+ }
+ bool is(const char *string) {
+ return !strcmp(String, string);
+ }
+ void emit(raw_ostream &o, unsigned int &i) {
+ if (IsNumber)
+ o << Number;
+ else
+ o << String;
+ }
+};
+} // End anonymous namespace
- class LiteralConstantEmitter : public ConstantEmitter {
- private:
- bool IsNumber;
- union {
- int Number;
- const char* String;
- };
- public:
- LiteralConstantEmitter(int number = 0) :
- IsNumber(true),
- Number(number) {
- }
- void set(const char *string) {
- IsNumber = false;
- Number = 0;
- String = string;
- }
- bool is(const char *string) {
- return !strcmp(String, string);
- }
- void emit(raw_ostream &o, unsigned int &i) {
- if (IsNumber)
- o << Number;
- else
- o << String;
- }
- };
+namespace {
+class CompoundConstantEmitter : public ConstantEmitter {
+private:
+ unsigned int Padding;
+ std::vector<ConstantEmitter *> Entries;
+public:
+ CompoundConstantEmitter(unsigned int padding = 0) : Padding(padding) {
+ }
+ CompoundConstantEmitter &addEntry(ConstantEmitter *e) {
+ Entries.push_back(e);
- class CompoundConstantEmitter : public ConstantEmitter {
- private:
- unsigned int Padding;
- std::vector<ConstantEmitter *> Entries;
- public:
- CompoundConstantEmitter(unsigned int padding = 0) : Padding(padding) {
+ return *this;
+ }
+ ~CompoundConstantEmitter() {
+ while (Entries.size()) {
+ ConstantEmitter *entry = Entries.back();
+ Entries.pop_back();
+ delete entry;
}
- CompoundConstantEmitter &addEntry(ConstantEmitter *e) {
- Entries.push_back(e);
+ }
+ void emit(raw_ostream &o, unsigned int &i) {
+ o << "{" << "\n";
+ i += 2;
- return *this;
- }
- ~CompoundConstantEmitter() {
- while (Entries.size()) {
- ConstantEmitter *entry = Entries.back();
- Entries.pop_back();
- delete entry;
- }
- }
- void emit(raw_ostream &o, unsigned int &i) {
- o << "{" << "\n";
- i += 2;
-
- unsigned int index;
- unsigned int numEntries = Entries.size();
-
- unsigned int numToPrint;
-
- if (Padding) {
- if (numEntries > Padding) {
- fprintf(stderr, "%u entries but %u padding\n", numEntries, Padding);
- llvm_unreachable("More entries than padding");
- }
- numToPrint = Padding;
- } else {
- numToPrint = numEntries;
- }
+ unsigned int index;
+ unsigned int numEntries = Entries.size();
- for (index = 0; index < numToPrint; ++index) {
- o.indent(i);
- if (index < numEntries)
- Entries[index]->emit(o, i);
- else
- o << "-1";
+ unsigned int numToPrint;
- if (index < (numToPrint - 1))
- o << ",";
- o << "\n";
+ if (Padding) {
+ if (numEntries > Padding) {
+ fprintf(stderr, "%u entries but %u padding\n", numEntries, Padding);
+ llvm_unreachable("More entries than padding");
}
-
- i -= 2;
- o.indent(i) << "}";
+ numToPrint = Padding;
+ } else {
+ numToPrint = numEntries;
}
- };
- class FlagsConstantEmitter : public ConstantEmitter {
- private:
- std::vector<std::string> Flags;
- public:
- FlagsConstantEmitter() {
- }
- FlagsConstantEmitter &addEntry(const char *f) {
- Flags.push_back(std::string(f));
- return *this;
- }
- void emit(raw_ostream &o, unsigned int &i) {
- unsigned int index;
- unsigned int numFlags = Flags.size();
- if (numFlags == 0)
- o << "0";
-
- for (index = 0; index < numFlags; ++index) {
- o << Flags[index].c_str();
- if (index < (numFlags - 1))
- o << " | ";
- }
+ for (index = 0; index < numToPrint; ++index) {
+ o.indent(i);
+ if (index < numEntries)
+ Entries[index]->emit(o, i);
+ else
+ o << "-1";
+
+ if (index < (numToPrint - 1))
+ o << ",";
+ o << "\n";
}
- };
-}
-EDEmitter::EDEmitter(RecordKeeper &R) : Records(R) {
-}
+ i -= 2;
+ o.indent(i) << "}";
+ }
+};
+} // End anonymous namespace
+
+namespace {
+class FlagsConstantEmitter : public ConstantEmitter {
+private:
+ std::vector<std::string> Flags;
+public:
+ FlagsConstantEmitter() {
+ }
+ FlagsConstantEmitter &addEntry(const char *f) {
+ Flags.push_back(std::string(f));
+ return *this;
+ }
+ void emit(raw_ostream &o, unsigned int &i) {
+ unsigned int index;
+ unsigned int numFlags = Flags.size();
+ if (numFlags == 0)
+ o << "0";
+
+ for (index = 0; index < numFlags; ++index) {
+ o << Flags[index].c_str();
+ if (index < (numFlags - 1))
+ o << " | ";
+ }
+ }
+};
+} // End anonymous namespace
/// populateOperandOrder - Accepts a CodeGenInstruction and generates its
/// AsmWriterInst for the desired assembly syntax, giving an ordered list of
/// representing an index in the operand descriptor array.
/// @arg inst - The instruction to use when looking up the operands
/// @arg syntax - The syntax to use, according to LLVM's enumeration
-void populateOperandOrder(CompoundConstantEmitter *operandOrder,
- const CodeGenInstruction &inst,
- unsigned syntax) {
+static void populateOperandOrder(CompoundConstantEmitter *operandOrder,
+ const CodeGenInstruction &inst,
+ unsigned syntax) {
unsigned int numArgs = 0;
AsmWriterInst awInst(inst, syntax, -1, -1);
REG("GR8");
REG("GR8_NOREX");
REG("GR16");
+ REG("GR16_NOAX");
REG("GR32");
+ REG("GR32_NOAX");
REG("GR32_NOREX");
REG("GR32_TC");
REG("FR32");
REG("RFP32");
REG("GR64");
+ REG("GR64_NOAX");
REG("GR64_TC");
REG("FR64");
REG("VR64");
IMM("i64i8imm");
IMM("i64i32imm");
IMM("SSECC");
+ IMM("AVXCC");
// all R, I, R, I, R
MEM("i8mem");
MEM("f128mem");
MEM("f256mem");
MEM("opaque512mem");
+ // Gather
+ MEM("vx32mem")
+ MEM("vy32mem")
+ MEM("vx64mem")
+ MEM("vy64mem")
// all R, I, R, I
LEA("lea32mem");
// ignore (doesn't go anywhere we know about)
} else if (name.find("VMCALL") != name.npos) {
// ignore (rather different semantics than a regular call)
+ } else if (name.find("VMMCALL") != name.npos) {
+ // ignore (rather different semantics than a regular call)
} else if (name.find("FAR") != name.npos && name.find("i") != name.npos) {
CALL("off");
} else {
REG("DPR");
REG("DPR_VFP2");
REG("DPR_8");
+ REG("DPair");
REG("SPR");
REG("QPR");
REG("QQPR");
REG("QQQQPR");
+ REG("VecListOneD");
+ REG("VecListDPair");
+ REG("VecListDPairSpaced");
+ REG("VecListThreeD");
+ REG("VecListFourD");
+ REG("VecListOneDAllLanes");
+ REG("VecListDPairAllLanes");
+ REG("VecListDPairSpacedAllLanes");
IMM("i32imm");
+ IMM("fbits16");
+ IMM("fbits32");
IMM("i32imm_hilo16");
IMM("bf_inv_mask_imm");
IMM("lsb_pos_imm");
IMM("jtblock_operand");
IMM("nohash_imm");
IMM("p_imm");
+ IMM("pf_imm");
IMM("c_imm");
+ IMM("coproc_option_imm");
IMM("imod_op");
IMM("iflags_op");
IMM("cpinst_operand");
IMM("imm1_16");
IMM("imm1_32");
IMM("nModImm");
+ IMM("nImmSplatI8");
+ IMM("nImmSplatI16");
+ IMM("nImmSplatI32");
+ IMM("nImmSplatI64");
+ IMM("nImmVMOVI32");
+ IMM("nImmVMOVF32");
+ IMM("imm8");
+ IMM("imm16");
+ IMM("imm32");
+ IMM("imm1_7");
+ IMM("imm1_15");
+ IMM("imm1_31");
+ IMM("imm0_1");
+ IMM("imm0_3");
IMM("imm0_7");
IMM("imm0_15");
IMM("imm0_255");
IMM("postidx_imm8s4");
IMM("imm_sr");
IMM("imm1_31");
+ IMM("VectorIndex8");
+ IMM("VectorIndex16");
+ IMM("VectorIndex32");
MISC("brtarget", "kOperandTypeARMBranchTarget"); // ?
MISC("uncondbrtarget", "kOperandTypeARMBranchTarget"); // ?
errs() << "Operand type: " << rec.getName() << '\n';
errs() << "Operand name: " << operandInfo.Name << '\n';
errs() << "Instruction name: " << inst.TheDef->getName() << '\n';
- llvm_unreachable("Unhandled type");
+ throw("Unhandled type in EDEmitter");
}
}
}
for (index = 0; index < numInstructions; ++index) {
const CodeGenInstruction& inst = *numberedInstructions[index];
- // We don't need to do anything for pseudo-instructions, as we'll never
- // see them here. We'll only see real instructions.
- if (inst.isPseudo)
- continue;
-
CompoundConstantEmitter *infoStruct = new CompoundConstantEmitter;
infoArray.addEntry(infoStruct);
unsigned numSyntaxes = 0;
- if (target.getName() == "X86") {
- X86PopulateOperands(operandTypes, inst);
- X86ExtractSemantics(*instType, operandFlags, inst);
- numSyntaxes = 2;
- }
- else if (target.getName() == "ARM") {
- ARMPopulateOperands(operandTypes, inst);
- ARMExtractSemantics(*instType, operandTypes, operandFlags, inst);
- numSyntaxes = 1;
+ // We don't need to do anything for pseudo-instructions, as we'll never
+ // see them here. We'll only see real instructions.
+ // We still need to emit null initializers for everything.
+ if (!inst.isPseudo) {
+ if (target.getName() == "X86") {
+ X86PopulateOperands(operandTypes, inst);
+ X86ExtractSemantics(*instType, operandFlags, inst);
+ numSyntaxes = 2;
+ }
+ else if (target.getName() == "ARM") {
+ ARMPopulateOperands(operandTypes, inst);
+ ARMExtractSemantics(*instType, operandTypes, operandFlags, inst);
+ numSyntaxes = 1;
+ }
}
CompoundConstantEmitter *operandOrderArray = new CompoundConstantEmitter;
o << "\n";
}
-void EDEmitter::run(raw_ostream &o) {
+namespace llvm {
+
+void EmitEnhancedDisassemblerInfo(RecordKeeper &RK, raw_ostream &OS) {
+ emitSourceFileHeader("Enhanced Disassembler Info", OS);
unsigned int i = 0;
CompoundConstantEmitter infoArray;
- CodeGenTarget target(Records);
+ CodeGenTarget target(RK);
populateInstInfo(infoArray, target);
- emitCommonEnums(o, i);
-
- o << "namespace {\n";
+ emitCommonEnums(OS, i);
- o << "llvm::EDInstInfo instInfo" << target.getName().c_str() << "[] = ";
- infoArray.emit(o, i);
- o << ";" << "\n";
-
- o << "}\n";
+ OS << "static const llvm::EDInstInfo instInfo"
+ << target.getName() << "[] = ";
+ infoArray.emit(OS, i);
+ OS << ";" << "\n";
}
+
+} // End llvm namespace
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