Moves.push_back(MachineMove(0, Dst, Src));
}
-// Get the weight in units of pressure for this register class.
-const RegClassWeight &
-HexagonRegisterInfo::getRegClassWeight(const TargetRegisterClass *RC) const {
- // Each TargetRegisterClass has a per register weight, and weight
- // limit which must be less than the limits of its pressure sets.
- static const RegClassWeight RCWeightTable[] = {
- {1, 32}, // IntRegs
- {1, 8}, // CRRegs
- {1, 4}, // PredRegs
- {2, 16}, // DoubleRegs
- {0, 0} };
- return RCWeightTable[RC->getID()];
-}
-
-/// Get the number of dimensions of register pressure.
-unsigned HexagonRegisterInfo::getNumRegPressureSets() const {
- return 4;
-}
-
-/// Get the name of this register unit pressure set.
-const char *HexagonRegisterInfo::getRegPressureSetName(unsigned Idx) const {
- static const char *const RegPressureSetName[] = {
- "IntRegsRegSet",
- "CRRegsRegSet",
- "PredRegsRegSet",
- "DoubleRegsRegSet"
- };
- assert((Idx < 4) && "Index out of bounds");
- return RegPressureSetName[Idx];
-}
-
-/// Get the register unit pressure limit for this dimension.
-/// This limit must be adjusted dynamically for reserved registers.
-unsigned HexagonRegisterInfo::getRegPressureSetLimit(unsigned Idx) const {
- static const int RegPressureLimit [] = { 16, 4, 2, 8 };
- assert((Idx < 4) && "Index out of bounds");
- return RegPressureLimit[Idx];
-}
-
-const int*
-HexagonRegisterInfo::getRegClassPressureSets(const TargetRegisterClass *RC)
- const {
- static const int RCSetsTable[] = {
- 0, -1, // IntRegs
- 1, -1, // CRRegs
- 2, -1, // PredRegs
- 0, -1, // DoubleRegs
- -1 };
- static const unsigned RCSetStartTable[] = { 0, 2, 4, 6, 0 };
- unsigned SetListStart = RCSetStartTable[RC->getID()];
- return &RCSetsTable[SetListStart];
-}
unsigned HexagonRegisterInfo::getEHExceptionRegister() const {
llvm_unreachable("What is the exception register");
}
// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
- const RegClassWeight &getRegClassWeight(const TargetRegisterClass *RC) const;
- unsigned getNumRegPressureSets() const;
- const char *getRegPressureSetName(unsigned Idx) const;
- unsigned getRegPressureSetLimit(unsigned Idx) const;
- const int* getRegClassPressureSets(const TargetRegisterClass *RC) const;
};
} // end namespace llvm