This mechanism is specific to Alpha and doesn't belong sprinkled around the CPU's generic mechanisms. Change-Id: I87904d1a08df2b03eb770205e2c4b94db25201a1 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/18432 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com>