TargetRegisterInfo::TargetRegisterInfo(const TargetRegisterDesc *D, unsigned NR,
regclass_iterator RCB, regclass_iterator RCE,
+ const char *const *subregindexnames,
int CFSO, int CFDO,
const unsigned* subregs, const unsigned subregsize,
- const unsigned* superregs, const unsigned superregsize,
const unsigned* aliases, const unsigned aliasessize)
: SubregHash(subregs), SubregHashSize(subregsize),
- SuperregHash(superregs), SuperregHashSize(superregsize),
AliasesHash(aliases), AliasesHashSize(aliasessize),
- Desc(D), NumRegs(NR), RegClassBegin(RCB), RegClassEnd(RCE) {
+ Desc(D), SubRegIndexNames(subregindexnames), NumRegs(NR),
+ RegClassBegin(RCB), RegClassEnd(RCE) {
assert(NumRegs < FirstVirtualRegister &&
"Target has too many physical registers!");
TargetRegisterInfo::~TargetRegisterInfo() {}
-/// getPhysicalRegisterRegClass - Returns the Register Class of a physical
-/// register of the given type. If type is EVT::Other, then just return any
-/// register class the register belongs to.
+/// getMinimalPhysRegClass - Returns the Register Class of a physical
+/// register of the given type, picking the most sub register class of
+/// the right type that contains this physreg.
const TargetRegisterClass *
-TargetRegisterInfo::getPhysicalRegisterRegClass(unsigned reg, EVT VT) const {
+TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, EVT VT) const {
assert(isPhysicalRegister(reg) && "reg must be a physical register");
- // Pick the most super register class of the right type that contains
+ // Pick the most sub register class of the right type that contains
// this physreg.
const TargetRegisterClass* BestRC = 0;
for (regclass_iterator I = regclass_begin(), E = regclass_end(); I != E; ++I){
const TargetRegisterClass* RC = *I;
if ((VT == MVT::Other || RC->hasType(VT)) && RC->contains(reg) &&
- (!BestRC || BestRC->hasSuperClass(RC)))
+ (!BestRC || BestRC->hasSubClass(RC)))
BestRC = RC;
}
/// getFrameIndexOffset - Returns the displacement from the frame register to
/// the stack frame of the specified index. This is the default implementation
/// which is overridden for some targets.
-int TargetRegisterInfo::getFrameIndexOffset(MachineFunction &MF, int FI) const {
+int TargetRegisterInfo::getFrameIndexOffset(const MachineFunction &MF,
+ int FI) const {
const TargetFrameInfo &TFI = *MF.getTarget().getFrameInfo();
- MachineFrameInfo *MFI = MF.getFrameInfo();
+ const MachineFrameInfo *MFI = MF.getFrameInfo();
return MFI->getObjectOffset(FI) + MFI->getStackSize() -
TFI.getOffsetOfLocalArea() + MFI->getOffsetAdjustment();
}
/// getInitialFrameState - Returns a list of machine moves that are assumed
/// on entry to a function.
void
-TargetRegisterInfo::getInitialFrameState(std::vector<MachineMove> &Moves) const {
+TargetRegisterInfo::getInitialFrameState(std::vector<MachineMove> &Moves) const{
// Default is to do nothing.
}