PPC::V24, PPC::V25, PPC::V26, PPC::V27, PPC::V28, PPC::V29, PPC::V30, PPC::V31
};
+static unsigned computeReturnSaveOffset(const PPCSubtarget &STI) {
+ if (STI.isDarwinABI())
+ return STI.isPPC64() ? 16 : 8;
+ // SVR4 ABI:
+ return STI.isPPC64() ? 16 : 4;
+}
+
PPCFrameLowering::PPCFrameLowering(const PPCSubtarget &STI)
: TargetFrameLowering(TargetFrameLowering::StackGrowsDown,
(STI.hasQPX() || STI.isBGQ()) ? 32 : 16, 0),
- Subtarget(STI) {}
+ Subtarget(STI), ReturnSaveOffset(computeReturnSaveOffset(Subtarget)) {}
// With the SVR4 ABI, callee-saved registers have fixed offsets on the stack.
const PPCFrameLowering::SpillSlot *PPCFrameLowering::getCalleeSavedSpillSlots(
assert((isPPC64 || !isSVR4ABI || !(!FrameSize && (MustSaveLR || HasFP))) &&
"FrameSize must be >0 to save/restore the FP or LR for 32-bit SVR4.");
- int LROffset = PPCFrameLowering::getReturnSaveOffset(isPPC64, isDarwinABI);
+ int LROffset = getReturnSaveOffset();
int FPOffset = 0;
if (HasFP) {
const MCInstrDesc& AddInst = TII.get( isPPC64 ? PPC::ADD8
: PPC::ADD4 );
- int LROffset = PPCFrameLowering::getReturnSaveOffset(isPPC64, isDarwinABI);
+ int LROffset = getReturnSaveOffset();
int FPOffset = 0;
if (HasFP) {
class PPCFrameLowering: public TargetFrameLowering {
const PPCSubtarget &Subtarget;
+ const unsigned ReturnSaveOffset;
public:
PPCFrameLowering(const PPCSubtarget &STI);
/// getReturnSaveOffset - Return the previous frame offset to save the
/// return address.
- static unsigned getReturnSaveOffset(bool isPPC64, bool isDarwinABI) {
- if (isDarwinABI)
- return isPPC64 ? 16 : 8;
- // SVR4 ABI:
- return isPPC64 ? 16 : 4;
- }
+ unsigned getReturnSaveOffset() const { return ReturnSaveOffset; }
/// getTOCSaveOffset - Return the previous frame offset to save the
/// TOC register -- 64-bit SVR4 ABI only.
if (SPDiff) {
// Calculate the new stack slot for the return address.
int SlotSize = isPPC64 ? 8 : 4;
- int NewRetAddrLoc = SPDiff + PPCFrameLowering::getReturnSaveOffset(isPPC64,
- isDarwinABI);
+ int NewRetAddrLoc = SPDiff +
+ MF.getSubtarget<PPCSubtarget>()
+ .getFrameLowering()
+ ->getReturnSaveOffset();
int NewRetAddr = MF.getFrameInfo()->CreateFixedObject(SlotSize,
NewRetAddrLoc, true);
EVT VT = isPPC64 ? MVT::i64 : MVT::i32;
PPCTargetLowering::getReturnAddrFrameIndex(SelectionDAG & DAG) const {
MachineFunction &MF = DAG.getMachineFunction();
bool isPPC64 = Subtarget.isPPC64();
- bool isDarwinABI = Subtarget.isDarwinABI();
EVT PtrVT = DAG.getTargetLoweringInfo().getPointerTy();
// Get current frame pointer save index. The users of this index will be
// If the frame pointer save index hasn't been defined yet.
if (!RASI) {
// Find out what the fix offset of the frame pointer save area.
- int LROffset = PPCFrameLowering::getReturnSaveOffset(isPPC64, isDarwinABI);
+ int LROffset = Subtarget.getFrameLowering()->getReturnSaveOffset();
// Allocate the frame index for frame pointer save area.
RASI = MF.getFrameInfo()->CreateFixedObject(isPPC64? 8 : 4, LROffset, false);
// Save the result.
PPCFunctionInfo *FuncInfo = MF.getInfo<PPCFunctionInfo>();
FuncInfo->setLRStoreRequired();
bool isPPC64 = Subtarget.isPPC64();
- bool isDarwinABI = Subtarget.isDarwinABI();
if (Depth > 0) {
SDValue FrameAddr = LowerFRAMEADDR(Op, DAG);
SDValue Offset =
-
- DAG.getConstant(PPCFrameLowering::getReturnSaveOffset(isPPC64, isDarwinABI),
- isPPC64? MVT::i64 : MVT::i32);
+ DAG.getConstant(Subtarget.getFrameLowering()->getReturnSaveOffset(),
+ isPPC64 ? MVT::i64 : MVT::i32);
return DAG.getLoad(getPointerTy(), dl, DAG.getEntryNode(),
DAG.getNode(ISD::ADD, dl, getPointerTy(),
FrameAddr, Offset),