hg: jdk/sandbox: 8191955: AArch64: incorrect prefetch distance causes an internal error

[chris.hegarty at oracle.com]

Changeset: 8fe17f886663
Author:    njian
Date:      2017-12-04 09:59 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/8fe17f886663

8191955: AArch64: incorrect prefetch distance causes an internal error
Summary: Fixed incorrect prefetch distance on AArch64.
Reviewed-by: aph

! src/hotspot/cpu/aarch64/vm_version_aarch64.cpp