X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FPowerPC%2FPPCSubtarget.h;h=0616c1f65604252f3827e11c2e07289026d4e72c;hb=1d1d5f60906cc89e0e46dbd51e85f622dc806a65;hp=8c4f583bdb8fcb1cd80de472c426ae4a07597f45;hpb=fe7131e2d0ebd219b00764e35ff33ef0cfa6d489;p=oota-llvm.git diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h index 8c4f583bdb8..0616c1f6560 100644 --- a/lib/Target/PowerPC/PPCSubtarget.h +++ b/lib/Target/PowerPC/PPCSubtarget.h @@ -11,17 +11,16 @@ // //===----------------------------------------------------------------------===// -#ifndef POWERPCSUBTARGET_H -#define POWERPCSUBTARGET_H +#ifndef LLVM_LIB_TARGET_POWERPC_PPCSUBTARGET_H +#define LLVM_LIB_TARGET_POWERPC_PPCSUBTARGET_H #include "PPCFrameLowering.h" -#include "PPCInstrInfo.h" #include "PPCISelLowering.h" -#include "PPCJITInfo.h" -#include "PPCSelectionDAGInfo.h" +#include "PPCInstrInfo.h" #include "llvm/ADT/Triple.h" #include "llvm/IR/DataLayout.h" #include "llvm/MC/MCInstrItineraries.h" +#include "llvm/Target/TargetSelectionDAGInfo.h" #include "llvm/Target/TargetSubtargetInfo.h" #include @@ -66,6 +65,9 @@ class TargetMachine; class PPCSubtarget : public PPCGenSubtargetInfo { protected: + /// TargetTriple - What processor and OS we're targeting. + Triple TargetTriple; + /// stackAlignment - The minimum alignment known to hold of the stack frame on /// entry to the function and which must be maintained by every function. unsigned StackAlignment; @@ -83,8 +85,12 @@ protected: bool UseCRBits; bool IsPPC64; bool HasAltivec; + bool HasSPE; bool HasQPX; bool HasVSX; + bool HasP8Vector; + bool HasP8Altivec; + bool HasP8Crypto; bool HasFCPSGN; bool HasFSQRT; bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES; @@ -95,49 +101,47 @@ protected: bool HasFPCVT; bool HasISEL; bool HasPOPCNTD; + bool HasBPERMD; + bool HasExtDiv; + bool HasCMPB; bool HasLDBRX; bool IsBookE; - bool DeprecatedMFTB; + bool HasOnlyMSYNC; + bool IsE500; + bool IsPPC4xx; + bool IsPPC6xx; + bool FeatureMFTB; bool DeprecatedDST; bool HasLazyResolverStubs; - bool IsJITCodeModel; bool IsLittleEndian; - - /// TargetTriple - What processor and OS we're targeting. - Triple TargetTriple; - - /// OptLevel - What default optimization level we're emitting code for. - CodeGenOpt::Level OptLevel; - - enum { - PPC_ABI_UNKNOWN, - PPC_ABI_ELFv1, - PPC_ABI_ELFv2 - } TargetABI; - + bool HasICBT; + bool HasInvariantFunctionDescriptors; + bool HasPartwordAtomics; + bool HasDirectMove; + bool HasHTM; + + /// When targeting QPX running a stock PPC64 Linux kernel where the stack + /// alignment has not been changed, we need to keep the 16-byte alignment + /// of the stack. + bool IsQPXStackUnaligned; + + const PPCTargetMachine &TM; PPCFrameLowering FrameLowering; - const DataLayout DL; PPCInstrInfo InstrInfo; - PPCJITInfo JITInfo; PPCTargetLowering TLInfo; - PPCSelectionDAGInfo TSInfo; + TargetSelectionDAGInfo TSInfo; public: /// This constructor initializes the data members to match that /// of the specified triple. /// - PPCSubtarget(const std::string &TT, const std::string &CPU, - const std::string &FS, PPCTargetMachine &TM, bool is64Bit, - CodeGenOpt::Level OptLevel); + PPCSubtarget(const Triple &TT, const std::string &CPU, const std::string &FS, + const PPCTargetMachine &TM); /// ParseSubtargetFeatures - Parses features string setting specified /// subtarget options. Definition of function is auto generated by tblgen. void ParseSubtargetFeatures(StringRef CPU, StringRef FS); - /// SetJITMode - This is called to inform the subtarget info that we are - /// producing code for the JIT. - void SetJITMode(); - /// getStackAlignment - Returns the minimum alignment known to hold of the /// stack frame on entry to the function and which must be maintained by every /// function for this subtarget. @@ -149,29 +153,37 @@ public: /// getInstrItins - Return the instruction itineraries based on subtarget /// selection. - const InstrItineraryData &getInstrItineraryData() const { return InstrItins; } - - const PPCFrameLowering *getFrameLowering() const { return &FrameLowering; } - const DataLayout *getDataLayout() const { return &DL; } - const PPCInstrInfo *getInstrInfo() const { return &InstrInfo; } - PPCJITInfo *getJITInfo() { return &JITInfo; } - const PPCTargetLowering *getTargetLowering() const { return &TLInfo; } - const PPCSelectionDAGInfo *getSelectionDAGInfo() const { return &TSInfo; } + const InstrItineraryData *getInstrItineraryData() const override { + return &InstrItins; + } + + const PPCFrameLowering *getFrameLowering() const override { + return &FrameLowering; + } + const PPCInstrInfo *getInstrInfo() const override { return &InstrInfo; } + const PPCTargetLowering *getTargetLowering() const override { + return &TLInfo; + } + const TargetSelectionDAGInfo *getSelectionDAGInfo() const override { + return &TSInfo; + } + const PPCRegisterInfo *getRegisterInfo() const override { + return &getInstrInfo()->getRegisterInfo(); + } + const PPCTargetMachine &getTargetMachine() const { return TM; } /// initializeSubtargetDependencies - Initializes using a CPU and feature string /// so that we can use initializer lists for subtarget initialization. PPCSubtarget &initializeSubtargetDependencies(StringRef CPU, StringRef FS); - /// \brief Reset the features for the PowerPC target. - void resetSubtargetFeatures(const MachineFunction *MF) override; private: void initializeEnvironment(); - void resetSubtargetFeatures(StringRef CPU, StringRef FS); + void initSubtargetFeatures(StringRef CPU, StringRef FS); public: /// isPPC64 - Return true if we are generating code for 64-bit pointer mode. /// - bool isPPC64() const { return IsPPC64; } + bool isPPC64() const; /// has64BitSupport - Return true if the selected CPU supports 64-bit /// instructions, regardless of whether we are in 32-bit or 64-bit mode. @@ -189,11 +201,7 @@ public: /// hasLazyResolverStub - Return true if accesses to the specified global have /// to go through a dyld lazy resolution stub. This means that an extra load /// is required to get the address of the global. - bool hasLazyResolverStub(const GlobalValue *GV, - const TargetMachine &TM) const; - - // isJITCodeModel - True if we're generating code for the JIT - bool isJITCodeModel() const { return IsJITCodeModel; } + bool hasLazyResolverStub(const GlobalValue *GV) const; // isLittleEndian - True if generating little-endian code bool isLittleEndian() const { return IsLittleEndian; } @@ -211,15 +219,41 @@ public: bool hasFPRND() const { return HasFPRND; } bool hasFPCVT() const { return HasFPCVT; } bool hasAltivec() const { return HasAltivec; } + bool hasSPE() const { return HasSPE; } bool hasQPX() const { return HasQPX; } bool hasVSX() const { return HasVSX; } + bool hasP8Vector() const { return HasP8Vector; } + bool hasP8Altivec() const { return HasP8Altivec; } + bool hasP8Crypto() const { return HasP8Crypto; } bool hasMFOCRF() const { return HasMFOCRF; } bool hasISEL() const { return HasISEL; } bool hasPOPCNTD() const { return HasPOPCNTD; } + bool hasBPERMD() const { return HasBPERMD; } + bool hasExtDiv() const { return HasExtDiv; } + bool hasCMPB() const { return HasCMPB; } bool hasLDBRX() const { return HasLDBRX; } bool isBookE() const { return IsBookE; } - bool isDeprecatedMFTB() const { return DeprecatedMFTB; } + bool hasOnlyMSYNC() const { return HasOnlyMSYNC; } + bool isPPC4xx() const { return IsPPC4xx; } + bool isPPC6xx() const { return IsPPC6xx; } + bool isE500() const { return IsE500; } + bool isFeatureMFTB() const { return FeatureMFTB; } bool isDeprecatedDST() const { return DeprecatedDST; } + bool hasICBT() const { return HasICBT; } + bool hasInvariantFunctionDescriptors() const { + return HasInvariantFunctionDescriptors; + } + bool hasPartwordAtomics() const { return HasPartwordAtomics; } + bool hasDirectMove() const { return HasDirectMove; } + + bool isQPXStackUnaligned() const { return IsQPXStackUnaligned; } + unsigned getPlatformStackAlignment() const { + if ((hasQPX() || isBGQ()) && !isQPXStackUnaligned()) + return 32; + + return 16; + } + bool hasHTM() const { return HasHTM; } const Triple &getTargetTriple() const { return TargetTriple; } @@ -231,16 +265,16 @@ public: bool isTargetELF() const { return TargetTriple.isOSBinFormatELF(); } bool isTargetMachO() const { return TargetTriple.isOSBinFormatMachO(); } - bool isDarwinABI() const { return isDarwin(); } - bool isSVR4ABI() const { return !isDarwin(); } - bool isELFv2ABI() const { return TargetABI == PPC_ABI_ELFv2; } + bool isDarwinABI() const { return isTargetMachO() || isDarwin(); } + bool isSVR4ABI() const { return !isDarwinABI(); } + bool isELFv2ABI() const; bool enableEarlyIfConversion() const override { return hasISEL(); } // Scheduling customization. bool enableMachineScheduler() const override; // This overrides the PostRAScheduler bit in the SchedModel for each CPU. - bool enablePostMachineScheduler() const override; + bool enablePostRAScheduler() const override; AntiDepBreakMode getAntiDepBreakMode() const override; void getCriticalPathRCs(RegClassVector &CriticalPathRCs) const override; @@ -249,6 +283,8 @@ public: MachineInstr *end, unsigned NumRegionInstrs) const override; bool useAA() const override; + + bool enableSubRegLiveness() const override; }; } // End llvm namespace