hg: ppc-aix-port/stage/hotspot: 8017313: PPC64 (part 6): stack handling improvements

[vladimir.kozlov at oracle.com]

Changeset: 58be756e7595
Author:    goetz
Date:      2013-06-24 17:11 +0200
URL:       http://hg.openjdk.java.net/ppc-aix-port/stage/hotspot/rev/58be756e7595

8017313: PPC64 (part 6): stack handling improvements
Summary: Precompute limit for stack overflow check.
Reviewed-by: kvn, coleenp

! src/share/vm/runtime/thread.cpp
! src/share/vm/runtime/thread.hpp