std::map<unsigned, unsigned> ImmToIdxMap;
const PPCSubtarget &Subtarget;
const TargetInstrInfo &TII;
- mutable int CRSpillFrameIdx;
public:
PPCRegisterInfo(const PPCSubtarget &SubTarget, const TargetInstrInfo &tii);
/// Code Generation virtual methods...
const uint16_t *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
const uint32_t *getCallPreservedMask(CallingConv::ID CC) const;
+ const uint32_t *getNoPreservedMask() const;
BitVector getReservedRegs(const MachineFunction &MF) const;
- virtual bool avoidWriteAfterWrite(const TargetRegisterClass *RC) const;
+ /// We require the register scavenger.
+ bool requiresRegisterScavenging(const MachineFunction &MF) const {
+ return true;
+ }
+
+ bool requiresFrameIndexScavenging(const MachineFunction &MF) const {
+ return true;
+ }
+
+ bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const {
+ return true;
+ }
+
+ void lowerDynamicAlloc(MachineBasicBlock::iterator II) const;
+ void lowerCRSpilling(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerCRRestore(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerVRSAVESpilling(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
+ void lowerVRSAVERestore(MachineBasicBlock::iterator II,
+ unsigned FrameIndex) const;
- /// requiresRegisterScavenging - We require a register scavenger.
- /// FIXME (64-bit): Should be inlined.
- bool requiresRegisterScavenging(const MachineFunction &MF) const;
-
- bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const;
-
- void eliminateCallFramePseudoInstr(MachineFunction &MF,
- MachineBasicBlock &MBB,
- MachineBasicBlock::iterator I) const;
-
- void lowerDynamicAlloc(MachineBasicBlock::iterator II,
- int SPAdj, RegScavenger *RS) const;
- void lowerCRSpilling(MachineBasicBlock::iterator II, unsigned FrameIndex,
- int SPAdj, RegScavenger *RS) const;
- void lowerCRRestore(MachineBasicBlock::iterator II, unsigned FrameIndex,
- int SPAdj, RegScavenger *RS) const;
bool hasReservedSpillSlot(const MachineFunction &MF, unsigned Reg,
int &FrameIdx) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
- int SPAdj, RegScavenger *RS = NULL) const;
+ int SPAdj, unsigned FIOperandNum,
+ RegScavenger *RS = NULL) const;
// Debug information queries.
unsigned getFrameRegister(const MachineFunction &MF) const;