Well, that and the ability to run v7 code if you switch it into aarch32 mode. So one could be forgiven, I should think, for thinking the shift was more compara

Well, that and the ability to run v7 code if you switch it into aarch32 mode. So one could be forgiven, I should think, for thinking the shift was more comparable to x86 -> amd64 than it was to x86 -> ia64.