hg: jdk7/hotspot-comp/hotspot: 7037812: few more defaults changes for new AMD processors

[vladimir.kozlov at oracle.com]

Changeset: 2a34a4fbc52c
Author:    kvn
Date:      2011-04-19 09:30 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/2a34a4fbc52c

7037812: few more defaults changes for new AMD processors
Summary: use PREFETCHW as default prefetch instruction, set UseXMMForArrayCopy and UseUnalignedLoadStores to true by default.
Reviewed-by: kvn
Contributed-by: tom.deneau at amd.com

! src/cpu/x86/vm/vm_version_x86.cpp