hg: jdk9/hs/hotspot: 8158012: Use SW prefetch instructions instead of BIS for allocation prefetches on SPARC Core S4

[vladimir.kozlov at oracle.com]

Changeset: eebdc7acebd4
Author:    kvn
Date:      2016-12-07 09:29 -0800
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/eebdc7acebd4

8158012: Use SW prefetch instructions instead of BIS for allocation prefetches on SPARC Core S4
Reviewed-by: kvn
Contributed-by: shrinivas.joshi at oracle.com

! src/cpu/sparc/vm/vm_version_sparc.cpp
! src/share/vm/opto/macro.cpp