#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
+ Mips1, Mips2, Mips3, Mips4, Mips32, Mips32r2
};
- // Mips architecture version
+ // Mips architecture version
MipsArchEnum MipsArchVersion;
- // Mips supported ABIs
+ // Mips supported ABIs
MipsABIEnum MipsABI;
// IsLittle - The target is Little Endian
// 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;
- // IsABICall - Enable SRV4 code for SVR4-style dynamic objects
- bool HasABICall;
+ // HasCondMov - Conditional mov (MOVZ, MOVN) instructions.
+ bool HasCondMov;
- // HasAbsoluteCall - Enable code that is not fully position-independent.
- // Only works with HasABICall enabled.
- bool HasAbsoluteCall;
+ // HasMulDivAdd - Multiply add and sub (MADD, MADDu, MSUB, MSUBu)
+ // instructions.
+ bool HasMulDivAdd;
- // isLinux - Target system is Linux. Is false we consider ELFOS for now.
- bool IsLinux;
+ // HasMinMax - MIN and MAX instructions.
+ bool HasMinMax;
+
+ // HasSwap - Byte and half swap instructions.
+ bool HasSwap;
- // Put global and static items less than or equal to SSectionThreshold
- // bytes into the small data or bss section. The default is 8.
- unsigned SSectionThreshold;
+ // HasBitCount - Count leading '1' and '0' bits.
+ bool HasBitCount;
InstrItineraryData InstrItins;
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);
-
- /// ParseSubtargetFeatures - Parses features string setting specified
+ /// 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 isMips32() const { return MipsArchVersion >= Mips32; }
+ bool isMips32r2() const { return MipsArchVersion == Mips32r2; }
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 hasABICall() const { return HasABICall; };
- bool hasAbsoluteCall() const { return HasAbsoluteCall; };
- bool isLinux() const { return IsLinux; };
- unsigned getSSectionThreshold() const { return SSectionThreshold; }
-
+ 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