The 32-bit subset of ARMv8 is (supposedly) better specified at the system
level than ARMv7
(ie, by the v8 architecture itself).

There are some cores that do just the 32-bit subset of v8, but apparently
Cortex-A53 will do 64 as well,
which I hadn't realised from the Rpi3 announcement I saw.

On 3 March 2016 at 15:37, Richard Miller <> wrote:

> >> cpu0: 1200MHz ARM Cortex-A53 r0p4
> >
> > it's ARMv8-A!
> When booted in 32-bit mode, it behaves like armv7a.

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