.addConstantPoolIndex(Idx).addImm(Pred).addReg(PredReg);
}
-const TargetRegisterClass*
-Thumb1RegisterInfo::getPhysicalRegisterRegClass(unsigned Reg, EVT VT) const {
- if (isARMLowRegister(Reg))
- return ARM::tGPRRegisterClass;
- switch (Reg) {
- default:
- break;
- case ARM::R8: case ARM::R9: case ARM::R10: case ARM::R11:
- case ARM::R12: case ARM::SP: case ARM::LR: case ARM::PC:
- return ARM::GPRRegisterClass;
- }
-
- return TargetRegisterInfo::getPhysicalRegisterRegClass(Reg, VT);
-}
-
-bool Thumb1RegisterInfo::hasReservedCallFrame(MachineFunction &MF) const {
+bool Thumb1RegisterInfo::hasReservedCallFrame(const MachineFunction &MF) const {
const MachineFrameInfo *FFI = MF.getFrameInfo();
unsigned CFSize = FFI->getMaxCallFrameSize();
// It's not always a good idea to include the call frame as part of the
dl = MBBI->getDebugLoc();
}
- // Darwin ABI requires FP to point to the stack slot that contains the
- // previous FP.
- if (STI.isTargetDarwin() || hasFP(MF)) {
+ // Adjust FP so it point to the stack slot that contains the previous FP.
+ if (hasFP(MF)) {
BuildMI(MBB, MBBI, dl, TII.get(ARM::tADDrSPi), FramePtr)
.addFrameIndex(FramePtrSpillFI).addImm(0);
+ AFI->setShouldRestoreSPFromFP(true);
}
// Determine starting offsets of spill areas.
emitSPUpdate(MBB, MBBI, TII, dl, *this, -NumBytes);
}
- if (STI.isTargetELF() && hasFP(MF)) {
+ if (STI.isTargetELF() && hasFP(MF))
MFI->setOffsetAdjustment(MFI->getOffsetAdjustment() -
AFI->getFramePtrSpillOffset());
- }
AFI->setGPRCalleeSavedArea1Size(GPRCS1Size);
AFI->setGPRCalleeSavedArea2Size(GPRCS2Size);
AFI->getGPRCalleeSavedArea2Size() +
AFI->getDPRCalleeSavedAreaSize());
- if (hasFP(MF)) {
+ if (AFI->shouldRestoreSPFromFP()) {
NumBytes = AFI->getFramePtrSpillOffset() - NumBytes;
// Reset SP based on frame pointer only if the stack frame extends beyond
// frame pointer stack slot or target is ELF and the function has FP.