hg: jdk7/hotspot-comp/hotspot: 6743900: frequency based block layout

[chuck.rasbold at sun.com]

Changeset: 72c5366e5d86
Author:    rasbold
Date:      2008-11-06 14:59 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/72c5366e5d86

6743900: frequency based block layout
Summary: post-register allocation pass that drives block layout by edge frequencies
Reviewed-by: never, kvn

! src/share/vm/opto/block.cpp
! src/share/vm/opto/block.hpp
! src/share/vm/opto/c2_globals.hpp
! src/share/vm/opto/compile.cpp
! src/share/vm/opto/compile.hpp
! src/share/vm/opto/gcm.cpp
! src/share/vm/opto/output.cpp
! src/share/vm/opto/phase.cpp
! src/share/vm/opto/phase.hpp