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Shrink and reorder some fields in MCOperandInfo to fit it in 8 bytes to reduce size of static tables.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@152524 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2012-03-11 01:57:56 +00:00
parent f522ce1f18
commit 39bdc5526f
2 changed files with 11 additions and 11 deletions
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12
include/llvm/MC/MCInstrDesc.h
View File

@ -58,17 +58,17 @@ public:
/// if the operand is a register. If isLookupPtrRegClass is set, then this is
/// an index that is passed to TargetRegisterInfo::getPointerRegClass(x) to
/// get a dynamic register class.
short RegClass;
int16_t RegClass;
/// Flags - These are flags from the MCOI::OperandFlags enum.
unsigned short Flags;
uint8_t Flags;
/// OperandType - Information about the type of the operand.
uint8_t OperandType;
/// Lower 16 bits are used to specify which constraints are set. The higher 16
/// bits are used to specify the value of constraints (4 bits each).
unsigned Constraints;
/// OperandType - Information about the type of the operand.
MCOI::OperandType OperandType;
uint32_t Constraints;
/// Currently no other information.
/// isLookupPtrRegClass - Set if this operand is a pointer value and it

10
utils/TableGen/InstrInfoEmitter.cpp
View File

@ -107,6 +107,11 @@ InstrInfoEmitter::GetOperandInfo(const CodeGenInstruction &Inst) {
if (Inst.Operands[i].Rec->isSubClassOf("OptionalDefOperand"))
Res += "|(1<<MCOI::OptionalDef)";
// Fill in operand type.
Res += ", MCOI::";
assert(!Inst.Operands[i].OperandType.empty() && "Invalid operand type.");
Res += Inst.Operands[i].OperandType;
// Fill in constraint info.
Res += ", ";
@ -122,11 +127,6 @@ InstrInfoEmitter::GetOperandInfo(const CodeGenInstruction &Inst) {
" << 16) | (1 << MCOI::TIED_TO))";
}
// Fill in operand type.
Res += ", MCOI::";
assert(!Inst.Operands[i].OperandType.empty() && "Invalid operand type.");
Res += Inst.Operands[i].OperandType;
Result.push_back(Res);
}
}