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Remove unused field. Change the way unused regs. are marked and

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found to consider regType info (since multiple reg types may share
the same reg class, e.g., single and double on Sparc).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7327 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve
2003-07-25 21:00:13 +00:00
parent b1e6f05110
commit 34a856749f
2 changed files with 22 additions and 20 deletions
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21
lib/CodeGen/RegAlloc/PhyRegAlloc.h
View File

@ -71,8 +71,6 @@ class PhyRegAlloc : public NonCopyable {
AddedInstrns AddedInstrAtEntry; // to store instrns added at entry AddedInstrns AddedInstrAtEntry; // to store instrns added at entry
LoopInfo *LoopDepthCalc; // to calculate loop depths LoopInfo *LoopDepthCalc; // to calculate loop depths
std::vector<unsigned> ResColList; // A set of reserved regs if desired.
// currently not used
public: public:
PhyRegAlloc(Function *F, const TargetMachine& TM, FunctionLiveVarInfo *Lvi, PhyRegAlloc(Function *F, const TargetMachine& TM, FunctionLiveVarInfo *Lvi,
@ -87,11 +85,11 @@ public:
// access to register classes by class ID // access to register classes by class ID
// //
const RegClass* getRegClassByID(unsigned int id) const { const RegClass* getRegClassByID(unsigned int id) const {
return RegClassList[id]; return RegClassList[id];
}
RegClass* getRegClassByID(unsigned int id) {
return RegClassList[id];
} }
RegClass* getRegClassByID(unsigned int id) {
return RegClassList[id]; }
private: private:
void addInterference(const Value *Def, const ValueSet *LVSet, void addInterference(const Value *Def, const ValueSet *LVSet,
@ -134,11 +132,14 @@ private:
std::vector<MachineInstr*>& MIBef, std::vector<MachineInstr*>& MIBef,
std::vector<MachineInstr*>& MIAft); std::vector<MachineInstr*>& MIAft);
int getUnusedUniRegAtMI(RegClass *RC, const MachineInstr *MInst, int getUnusedUniRegAtMI(RegClass *RC, const int RegType,
const ValueSet *LVSetBef); const MachineInstr *MInst, const ValueSet *LVSetBef);
void setRelRegsUsedByThisInst(RegClass *RC, const MachineInstr *MInst ); void setRelRegsUsedByThisInst(RegClass *RC, const int RegType,
int getUniRegNotUsedByThisInst(RegClass *RC, const MachineInstr *MInst); const MachineInstr *MInst );
int getUniRegNotUsedByThisInst(RegClass *RC, const int RegType,
const MachineInstr *MInst);
void addInterf4PseudoInstr(const MachineInstr *MInst); void addInterf4PseudoInstr(const MachineInstr *MInst);
}; };

21
lib/Target/SparcV9/RegAlloc/PhyRegAlloc.h
View File

@ -71,8 +71,6 @@ class PhyRegAlloc : public NonCopyable {
AddedInstrns AddedInstrAtEntry; // to store instrns added at entry AddedInstrns AddedInstrAtEntry; // to store instrns added at entry
LoopInfo *LoopDepthCalc; // to calculate loop depths LoopInfo *LoopDepthCalc; // to calculate loop depths
std::vector<unsigned> ResColList; // A set of reserved regs if desired.
// currently not used
public: public:
PhyRegAlloc(Function *F, const TargetMachine& TM, FunctionLiveVarInfo *Lvi, PhyRegAlloc(Function *F, const TargetMachine& TM, FunctionLiveVarInfo *Lvi,
@ -87,11 +85,11 @@ public:
// access to register classes by class ID // access to register classes by class ID
// //
const RegClass* getRegClassByID(unsigned int id) const { const RegClass* getRegClassByID(unsigned int id) const {
return RegClassList[id]; return RegClassList[id];
}
RegClass* getRegClassByID(unsigned int id) {
return RegClassList[id];
} }
RegClass* getRegClassByID(unsigned int id) {
return RegClassList[id]; }
private: private:
void addInterference(const Value *Def, const ValueSet *LVSet, void addInterference(const Value *Def, const ValueSet *LVSet,
@ -134,11 +132,14 @@ private:
std::vector<MachineInstr*>& MIBef, std::vector<MachineInstr*>& MIBef,
std::vector<MachineInstr*>& MIAft); std::vector<MachineInstr*>& MIAft);
int getUnusedUniRegAtMI(RegClass *RC, const MachineInstr *MInst, int getUnusedUniRegAtMI(RegClass *RC, const int RegType,
const ValueSet *LVSetBef); const MachineInstr *MInst, const ValueSet *LVSetBef);
void setRelRegsUsedByThisInst(RegClass *RC, const MachineInstr *MInst ); void setRelRegsUsedByThisInst(RegClass *RC, const int RegType,
int getUniRegNotUsedByThisInst(RegClass *RC, const MachineInstr *MInst); const MachineInstr *MInst );
int getUniRegNotUsedByThisInst(RegClass *RC, const int RegType,
const MachineInstr *MInst);
void addInterf4PseudoInstr(const MachineInstr *MInst); void addInterf4PseudoInstr(const MachineInstr *MInst);
}; };