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Move the Name field in MCInstrDesc to the end, saving 8 bytes of padding per entry on x86_64.

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No change on i386.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150170 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-02-09 11:25:09 +00:00
parent 3015dfb7d7
commit 133f9d9894
2 changed files with 4 additions and 3 deletions
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2
include/llvm/MC/MCInstrDesc.h
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@ -137,12 +137,12 @@ public:
unsigned short NumDefs; // Num of args that are definitions unsigned short NumDefs; // Num of args that are definitions
unsigned short SchedClass; // enum identifying instr sched class unsigned short SchedClass; // enum identifying instr sched class
unsigned short Size; // Number of bytes in encoding. unsigned short Size; // Number of bytes in encoding.
const char * Name; // Name of the instruction record in td file
unsigned Flags; // Flags identifying machine instr class unsigned Flags; // Flags identifying machine instr class
uint64_t TSFlags; // Target Specific Flag values uint64_t TSFlags; // Target Specific Flag values
const unsigned *ImplicitUses; // Registers implicitly read by this instr const unsigned *ImplicitUses; // Registers implicitly read by this instr
const unsigned *ImplicitDefs; // Registers implicitly defined by this instr const unsigned *ImplicitDefs; // Registers implicitly defined by this instr
const MCOperandInfo *OpInfo; // 'NumOperands' entries about operands const MCOperandInfo *OpInfo; // 'NumOperands' entries about operands
const char *Name; // Name of the instruction record in td file
/// getOperandConstraint - Returns the value of the specific constraint if /// getOperandConstraint - Returns the value of the specific constraint if
/// it is set. Returns -1 if it is not set. /// it is set. Returns -1 if it is not set.

5
utils/TableGen/InstrInfoEmitter.cpp
View File

@ -264,8 +264,7 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
OS << Num << ",\t" << MinOperands << ",\t" OS << Num << ",\t" << MinOperands << ",\t"
<< Inst.Operands.NumDefs << ",\t" << Inst.Operands.NumDefs << ",\t"
<< getItinClassNumber(Inst.TheDef) << ",\t" << getItinClassNumber(Inst.TheDef) << ",\t"
<< Inst.TheDef->getValueAsInt("Size") << ",\t\"" << Inst.TheDef->getValueAsInt("Size") << ",\t0";
<< Inst.TheDef->getName() << "\", 0";
// Emit all of the target indepedent flags... // Emit all of the target indepedent flags...
if (Inst.isPseudo) OS << "|(1<<MCID::Pseudo)"; if (Inst.isPseudo) OS << "|(1<<MCID::Pseudo)";
@ -330,6 +329,8 @@ void InstrInfoEmitter::emitRecord(const CodeGenInstruction &Inst, unsigned Num,
else else
OS << "OperandInfo" << OpInfo.find(OperandInfo)->second; OS << "OperandInfo" << OpInfo.find(OperandInfo)->second;
OS << ", \"" << Inst.TheDef->getName() << '"';
OS << " }, // Inst #" << Num << " = " << Inst.TheDef->getName() << "\n"; OS << " }, // Inst #" << Num << " = " << Inst.TheDef->getName() << "\n";
} }