hg: jdk/sandbox: 8151030: PPC64: AllocatePrefetchStyle=4 is out of range

[chris.hegarty at oracle.com]

Changeset: 57bb60685438
Author:    mdoerr
Date:      2020-04-27 10:01 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/57bb60685438

8151030: PPC64: AllocatePrefetchStyle=4 is out of range
Summary: Cleanup prefetching code and use AllocatePrefetchLines=1 by default.
Reviewed-by: goetz, mhorie, lucy

! src/hotspot/cpu/ppc/vm_version_ppc.cpp