//
//===----------------------------------------------------------------------===//
-#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 "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 <string>
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;
bool HasSPE;
bool HasQPX;
bool HasVSX;
+ bool HasP8Vector;
+ bool HasP8Altivec;
+ bool HasP8Crypto;
bool HasFCPSGN;
bool HasFSQRT;
bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES;
bool HasFPCVT;
bool HasISEL;
bool HasPOPCNTD;
+ bool HasBPERMD;
+ bool HasExtDiv;
+ bool HasCMPB;
bool HasLDBRX;
bool IsBookE;
+ bool HasOnlyMSYNC;
bool IsE500;
bool IsPPC4xx;
bool IsPPC6xx;
- bool DeprecatedMFTB;
+ bool FeatureMFTB;
bool DeprecatedDST;
bool HasLazyResolverStubs;
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;
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.
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;
}
- const PPCSelectionDAGInfo *getSelectionDAGInfo() const override {
+ 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.
/// 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; }
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 hasOnlyMSYNC() const { return HasOnlyMSYNC; }
bool isPPC4xx() const { return IsPPC4xx; }
bool isPPC6xx() const { return IsPPC6xx; }
bool isE500() const { return IsE500; }
- bool isDeprecatedMFTB() const { return DeprecatedMFTB; }
+ 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; }
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;
MachineInstr *end,
unsigned NumRegionInstrs) const override;
bool useAA() const override;
+
+ bool enableSubRegLiveness() const override;
};
} // End llvm namespace
projects / oota-llvm.git / blobdiff