diff options
Diffstat (limited to 'include/llvm/MC/MCInstrDesc.h')
-rw-r--r-- | include/llvm/MC/MCInstrDesc.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/llvm/MC/MCInstrDesc.h b/include/llvm/MC/MCInstrDesc.h index 17d5fdc..4996914 100644 --- a/include/llvm/MC/MCInstrDesc.h +++ b/include/llvm/MC/MCInstrDesc.h @@ -38,6 +38,15 @@ namespace MCOI { Predicate, OptionalDef }; + + /// Operand Type - Operands are tagged with one of the values of this enum. + enum OperandType { + OPERAND_UNKNOWN, + OPERAND_IMMEDIATE, + OPERAND_REGISTER, + OPERAND_MEMORY, + OPERAND_PCREL + }; } /// MCOperandInfo - This holds information about one operand of a machine @@ -57,6 +66,9 @@ public: /// 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; /// Currently no other information. /// isLookupPtrRegClass - Set if this operand is a pointer value and it @@ -122,6 +134,7 @@ public: unsigned short NumOperands; // Num of args (may be more if variable_ops) unsigned short NumDefs; // Num of args that are definitions unsigned short SchedClass; // enum identifying instr sched class + 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 uint64_t TSFlags; // Target Specific Flag values @@ -255,6 +268,12 @@ public: return SchedClass; } + /// getSize - Return the number of bytes in the encoding of this instruction, + /// or zero if the encoding size cannot be known from the opcode. + unsigned getSize() const { + return Size; + } + bool isReturn() const { return Flags & (1 << MCID::Return); } |