}
}
-void
-X86FrameLowering::getInitialFrameState(std::vector<MachineMove> &Moves) const {
- // Calculate amount of bytes used for return address storing
- int stackGrowth = (STI.is64Bit() ? -8 : -4);
- const X86RegisterInfo *RI = TM.getRegisterInfo();
-
- // Initial state of the frame pointer is esp+stackGrowth.
- MachineLocation Dst(MachineLocation::VirtualFP);
- MachineLocation Src(RI->getStackRegister(), stackGrowth);
- Moves.push_back(MachineMove(0, Dst, Src));
-
- // Add return address to move list
- MachineLocation CSDst(RI->getStackRegister(), stackGrowth);
- MachineLocation CSSrc(RI->getRARegister());
- Moves.push_back(MachineMove(0, CSDst, CSSrc));
-}
-
int X86FrameLowering::getFrameIndexOffset(const MachineFunction &MF, int FI) const {
const X86RegisterInfo *RI =
static_cast<const X86RegisterInfo*>(MF.getTarget().getRegisterInfo());