#ifndef POWERPCSUBTARGET_H
#define POWERPCSUBTARGET_H
+#include "PPCFrameLowering.h"
+#include "PPCInstrInfo.h"
+#include "PPCISelLowering.h"
+#include "PPCJITInfo.h"
+#include "PPCSelectionDAGInfo.h"
#include "llvm/ADT/Triple.h"
+#include "llvm/IR/DataLayout.h"
#include "llvm/MC/MCInstrItineraries.h"
#include "llvm/Target/TargetSubtargetInfo.h"
#include <string>
bool HasMFOCRF;
bool Has64BitSupport;
bool Use64BitRegs;
+ bool UseCRBits;
bool IsPPC64;
bool HasAltivec;
bool HasQPX;
+ bool HasVSX;
+ bool HasFCPSGN;
bool HasFSQRT;
bool HasFRE, HasFRES, HasFRSQRTE, HasFRSQRTES;
bool HasRecipPrec;
bool HasPOPCNTD;
bool HasLDBRX;
bool IsBookE;
+ bool DeprecatedMFTB;
+ 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;
+
+ PPCFrameLowering FrameLowering;
+ const DataLayout DL;
+ PPCInstrInfo InstrInfo;
+ PPCJITInfo JITInfo;
+ PPCTargetLowering TLInfo;
+ PPCSelectionDAGInfo 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, bool is64Bit);
+ const std::string &FS, PPCTargetMachine &TM, bool is64Bit,
+ CodeGenOpt::Level OptLevel);
/// ParseSubtargetFeatures - Parses features string setting specified
/// subtarget options. Definition of function is auto generated by tblgen.
///
unsigned getDarwinDirective() const { return DarwinDirective; }
- /// getInstrItins - Return the instruction itineraies based on subtarget
+ /// getInstrItins - Return the instruction itineraries based on subtarget
/// selection.
const InstrItineraryData &getInstrItineraryData() const { return InstrItins; }
- /// getDataLayoutString - Return the pointer size and type alignment
- /// properties of this subtarget.
- const char *getDataLayoutString() const {
- // Note, the alignment values for f64 and i64 on ppc64 in Darwin
- // documentation are wrong; these are correct (i.e. "what gcc does").
- if (isPPC64() && isSVR4ABI()) {
- if (TargetTriple.getOS() == llvm::Triple::FreeBSD)
- return "E-p:64:64-f64:64:64-i64:64:64-f128:64:64-v128:128:128-n32:64";
- else
- return "E-p:64:64-f64:64:64-i64:64:64-f128:128:128-v128:128:128-n32:64";
- }
-
- return isPPC64() ? "E-p:64:64-f64:64:64-i64:64:64-f128:64:128-n32:64"
- : "E-p:32:32-f64:64:64-i64:64:64-f128:64:128-n32";
- }
+ 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; }
+
+ /// 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);
+
+public:
/// isPPC64 - Return true if we are generating code for 64-bit pointer mode.
///
bool isPPC64() const { return IsPPC64; }
/// has64BitSupport() returns true.
bool use64BitRegs() const { return Use64BitRegs; }
+ /// useCRBits - Return true if we should store and manipulate i1 values in
+ /// the individual condition register bits.
+ bool useCRBits() const { return UseCRBits; }
+
/// 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.
// isJITCodeModel - True if we're generating code for the JIT
bool isJITCodeModel() const { return IsJITCodeModel; }
+ // isLittleEndian - True if generating little-endian code
+ bool isLittleEndian() const { return IsLittleEndian; }
+
// Specific obvious features.
+ bool hasFCPSGN() const { return HasFCPSGN; }
bool hasFSQRT() const { return HasFSQRT; }
bool hasFRE() const { return HasFRE; }
bool hasFRES() const { return HasFRES; }
bool hasFPCVT() const { return HasFPCVT; }
bool hasAltivec() const { return HasAltivec; }
bool hasQPX() const { return HasQPX; }
+ bool hasVSX() const { return HasVSX; }
bool hasMFOCRF() const { return HasMFOCRF; }
bool hasISEL() const { return HasISEL; }
bool hasPOPCNTD() const { return HasPOPCNTD; }
bool hasLDBRX() const { return HasLDBRX; }
bool isBookE() const { return IsBookE; }
+ bool isDeprecatedMFTB() const { return DeprecatedMFTB; }
+ bool isDeprecatedDST() const { return DeprecatedDST; }
const Triple &getTargetTriple() const { return TargetTriple; }
/// isDarwin - True if this is any darwin platform.
bool isDarwin() const { return TargetTriple.isMacOSX(); }
- /// isBGP - True if this is a BG/P platform.
- bool isBGP() const { return TargetTriple.getVendor() == Triple::BGP; }
/// isBGQ - True if this is a BG/Q platform.
bool isBGQ() const { return TargetTriple.getVendor() == Triple::BGQ; }
/// enablePostRAScheduler - True at 'More' optimization.
bool enablePostRAScheduler(CodeGenOpt::Level OptLevel,
TargetSubtargetInfo::AntiDepBreakMode& Mode,
- RegClassVector& CriticalPathRCs) const;
+ RegClassVector& CriticalPathRCs) const override;
+
+ bool enableEarlyIfConversion() const override { return hasISEL(); }
+
+ // Scheduling customization.
+ bool enableMachineScheduler() const override;
+ void overrideSchedPolicy(MachineSchedPolicy &Policy,
+ MachineInstr *begin,
+ MachineInstr *end,
+ unsigned NumRegionInstrs) const override;
+ bool useAA() const override;
};
} // End llvm namespace
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