hg: hsx/hotspot-gc/hotspot: 7061187: need some includes for arm/ppc

[john.coomes at oracle.com]

Changeset: 7d9e451f5416
Author:    jcoomes
Date:      2011-07-06 12:03 -0700
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/7d9e451f5416

7061187: need some includes for arm/ppc
Reviewed-by: dholmes, never, jwilhelm, kvn

! src/share/vm/opto/lcm.cpp
! src/share/vm/opto/matcher.cpp
! src/share/vm/runtime/atomic.cpp