unsigned X86RegisterInfo::getStackPointer() const {
return X86::ESP;
}
+
+const unsigned* X86RegisterInfo::getCalleeSaveRegs() const {
+ static const unsigned CalleeSaveRegs[] = { X86::ESI, X86::EDI, X86::EBX, X86::EBP,
+ MRegisterInfo::NoRegister };
+ return CalleeSaveRegs;
+}
+
+
+const unsigned* X86RegisterInfo::getCallerSaveRegs() const {
+ static const unsigned CallerSaveRegs[] = { X86::EAX, X86::ECX, X86::EDX,
+ MRegisterInfo::NoRegister };
+ return CallerSaveRegs;
+}
+
+void
+X86RegisterInfo::buildReg2RegClassMap
+(std::map<unsigned,
+ const TargetRegisterClass*>& Reg2RegClassMap) const
+{
+ for (MRegisterInfo::const_iterator I = const_regclass_begin(),
+ E = const_regclass_end(); I != E; ++I)
+ {
+ I->buildReg2RegClassMap(Reg2RegClassMap);
+ }
+}
unsigned getFramePointer() const;
unsigned getStackPointer() const;
+ const unsigned* getCalleeSaveRegs() const;
+ const unsigned* getCallerSaveRegs() const;
+
/// Returns register class appropriate for input SSA register
///
const TargetRegisterClass *getClassForReg(unsigned Reg) const;
unsigned getNumRegClasses() const;
+ void buildReg2RegClassMap(std::map<unsigned,const TargetRegisterClass*>&
+ Reg2RegClassMap) const;
};