GPRCClass::allocation_order_begin(const MachineFunction &MF) const {
// 32-bit SVR4 ABI: r2 is reserved for the OS.
// 64-bit SVR4 ABI: r2 is reserved for the TOC pointer.
- if (!MF.getTarget().getSubtarget<PPCSubtarget>().isDarwin())
- return begin()+1;
-
- return begin();
+ // Darwin: R2 is reserved for CR save/restore sequence.
+ return begin()+1;
}
GPRCClass::iterator
GPRCClass::allocation_order_end(const MachineFunction &MF) const {
G8RCClass::iterator
G8RCClass::allocation_order_begin(const MachineFunction &MF) const {
// 64-bit SVR4 ABI: r2 is reserved for the TOC pointer.
- if (!MF.getTarget().getSubtarget<PPCSubtarget>().isDarwin())
- return begin()+1;
-
- return begin();
+ // Darwin: r2 is reserved for CR save/restore sequence.
+ return begin()+1;
}
G8RCClass::iterator
G8RCClass::allocation_order_end(const MachineFunction &MF) const {