diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCSubtarget.h')
-rw-r--r-- | lib/Target/PowerPC/PPCSubtarget.h | 48 |
1 files changed, 32 insertions, 16 deletions
diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h index 1df19c3..247a96d 100644 --- a/lib/Target/PowerPC/PPCSubtarget.h +++ b/lib/Target/PowerPC/PPCSubtarget.h @@ -15,8 +15,8 @@ #define LLVM_LIB_TARGET_POWERPC_PPCSUBTARGET_H #include "PPCFrameLowering.h" -#include "PPCInstrInfo.h" #include "PPCISelLowering.h" +#include "PPCInstrInfo.h" #include "PPCSelectionDAGInfo.h" #include "llvm/ADT/Triple.h" #include "llvm/IR/DataLayout.h" @@ -68,9 +68,6 @@ protected: /// TargetTriple - What processor and OS we're targeting. Triple TargetTriple; - // Calculates type size & alignment - const DataLayout DL; - /// 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; @@ -92,6 +89,7 @@ protected: bool HasQPX; bool HasVSX; bool HasP8Vector; + bool HasP8Altivec; bool HasFCPSGN; bool HasFSQRT; bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES; @@ -102,6 +100,7 @@ protected: bool HasFPCVT; bool HasISEL; bool HasPOPCNTD; + bool HasCMPB; bool HasLDBRX; bool IsBookE; bool HasOnlyMSYNC; @@ -112,13 +111,15 @@ protected: bool DeprecatedDST; bool HasLazyResolverStubs; bool IsLittleEndian; + bool HasICBT; + bool HasInvariantFunctionDescriptors; - enum { - PPC_ABI_UNKNOWN, - PPC_ABI_ELFv1, - PPC_ABI_ELFv2 - } TargetABI; + /// 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; PPCInstrInfo InstrInfo; PPCTargetLowering TLInfo; @@ -153,7 +154,6 @@ public: const PPCFrameLowering *getFrameLowering() const override { return &FrameLowering; } - const DataLayout *getDataLayout() const override { return &DL; } const PPCInstrInfo *getInstrInfo() const override { return &InstrInfo; } const PPCTargetLowering *getTargetLowering() const override { return &TLInfo; @@ -164,6 +164,7 @@ public: 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. @@ -176,7 +177,7 @@ private: 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. @@ -194,8 +195,7 @@ 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; + bool hasLazyResolverStub(const GlobalValue *GV) const; // isLittleEndian - True if generating little-endian code bool isLittleEndian() const { return IsLittleEndian; } @@ -217,9 +217,11 @@ public: bool hasQPX() const { return HasQPX; } bool hasVSX() const { return HasVSX; } bool hasP8Vector() const { return HasP8Vector; } + bool hasP8Altivec() const { return HasP8Altivec; } bool hasMFOCRF() const { return HasMFOCRF; } bool hasISEL() const { return HasISEL; } bool hasPOPCNTD() const { return HasPOPCNTD; } + bool hasCMPB() const { return HasCMPB; } bool hasLDBRX() const { return HasLDBRX; } bool isBookE() const { return IsBookE; } bool hasOnlyMSYNC() const { return HasOnlyMSYNC; } @@ -228,6 +230,18 @@ public: bool isE500() const { return IsE500; } bool isDeprecatedMFTB() const { return DeprecatedMFTB; } bool isDeprecatedDST() const { return DeprecatedDST; } + bool hasICBT() const { return HasICBT; } + bool hasInvariantFunctionDescriptors() const { + return HasInvariantFunctionDescriptors; + } + + bool isQPXStackUnaligned() const { return IsQPXStackUnaligned; } + unsigned getPlatformStackAlignment() const { + if ((hasQPX() || isBGQ()) && !isQPXStackUnaligned()) + return 32; + + return 16; + } const Triple &getTargetTriple() const { return TargetTriple; } @@ -239,9 +253,9 @@ 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(); } @@ -257,6 +271,8 @@ public: MachineInstr *end, unsigned NumRegionInstrs) const override; bool useAA() const override; + + bool enableSubRegLiveness() const override; }; } // End llvm namespace |