Commit a9844540 authored by Ian Rogers's avatar Ian Rogers
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Avoid volatile 64-bit tearing on 32-bit architectures. 

Change b122a4bb removed inline assembly for
volatile 64bit read/writes. This isn't sound in the general case, reinstate.
Motivating change: https://android-review.googlesource.com/91250
Add optimizations for ARM in the case of LPAE support.

Change-Id: Ie86d8885d27c8f0da75f0c3bd50d4553a331282f
parent 96a4f293
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