ARMRegisterInfo.td

In the ARMRegisterInfo.td - Line 219

Could anyone explain how ‘AltOrders’ will be initialized for the GPRwithAPSR record?

In particular, I am curious of the following dag operation ‘trunc’? Thanks,

list AltOrders = [(add LR, GPRnopc), (trunc GPRnopc, 8)];

Hi,