#include <string>
namespace llvm {
-class Module;
class MipsSubtarget : public TargetSubtarget {
+public:
+ enum MipsABIEnum {
+ O32, O64, N32, N64, EABI
+ };
+
protected:
enum MipsArchEnum {
Mips1, Mips2, Mips3, Mips4, Mips32, Mips32r2, Mips64, Mips64r2
};
- enum MipsABIEnum {
- O32, EABI
- };
-
// Mips architecture version
MipsArchEnum MipsArchVersion;
// HasVFPU - Processor has a vector floating point unit.
bool HasVFPU;
- // HasSEInReg - Target has SEB and SEH (signext in register) instructions.
+ // isLinux - Target system is Linux. Is false we consider ELFOS for now.
+ bool IsLinux;
+
+ /// Features related to the presence of specific instructions.
+
+ // HasSEInReg - SEB and SEH (signext in register) instructions.
bool HasSEInReg;
+ // HasCondMov - Conditional mov (MOVZ, MOVN) instructions.
+ bool HasCondMov;
+
+ // HasMulDivAdd - Multiply add and sub (MADD, MADDu, MSUB, MSUBu)
+ // instructions.
+ bool HasMulDivAdd;
+
+ // HasMinMax - MIN and MAX instructions.
+ bool HasMinMax;
+
+ // HasSwap - Byte and half swap instructions.
+ bool HasSwap;
+
+ // HasBitCount - Count leading '1' and '0' bits.
+ bool HasBitCount;
+
InstrItineraryData InstrItins;
public:
/// Only O32 and EABI supported right now.
bool isABI_EABI() const { return MipsABI == EABI; }
bool isABI_O32() const { return MipsABI == O32; }
+ unsigned getTargetABI() const { return MipsABI; }
/// This constructor initializes the data members to match that
- /// of the specified module.
- MipsSubtarget(const TargetMachine &TM, const Module &M,
- const std::string &FS, bool little);
+ /// of the specified triple.
+ MipsSubtarget(const std::string &TT, const std::string &FS, bool little);
/// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
- void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+ std::string ParseSubtargetFeatures(const std::string &FS,
+ const std::string &CPU);
- bool hasMips2Ops() const { return MipsArchVersion >= Mips2; }
+ bool isMips1() const { return MipsArchVersion == Mips1; }
bool isLittle() const { return IsLittle; }
- bool isFP64bit() const { return IsFP64bit; };
- bool isGP64bit() const { return IsGP64bit; };
- bool isGP32bit() const { return !IsGP64bit; };
- bool isSingleFloat() const { return IsSingleFloat; };
- bool isNotSingleFloat() const { return !IsSingleFloat; };
- bool hasVFPU() const { return HasVFPU; };
- bool hasSEInReg() const { return HasSEInReg; };
-
+ bool isFP64bit() const { return IsFP64bit; }
+ bool isGP64bit() const { return IsGP64bit; }
+ bool isGP32bit() const { return !IsGP64bit; }
+ bool isSingleFloat() const { return IsSingleFloat; }
+ bool isNotSingleFloat() const { return !IsSingleFloat; }
+ bool hasVFPU() const { return HasVFPU; }
+ bool isLinux() const { return IsLinux; }
+
+ /// Features related to the presence of specific instructions.
+ bool hasSEInReg() const { return HasSEInReg; }
+ bool hasCondMov() const { return HasCondMov; }
+ bool hasMulDivAdd() const { return HasMulDivAdd; }
+ bool hasMinMax() const { return HasMinMax; }
+ bool hasSwap() const { return HasSwap; }
+ bool hasBitCount() const { return HasBitCount; }
};
} // End llvm namespace