hg: jdk7/hotspot-comp/hotspot: 6975855: don't emit deopt MH handler in C1 if not required

[Christian.Thalinger at Sun.COM]

Changeset: 4a665be40fd3
Author:    twisti
Date:      2010-08-11 01:17 -0700
URL:       http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/4a665be40fd3

6975855: don't emit deopt MH handler in C1 if not required
Summary: This CR implements the same for C1 as 6926782 for C2.
Reviewed-by: never

! src/share/vm/c1/c1_Compilation.cpp
! src/share/vm/c1/c1_Compilation.hpp
! src/share/vm/c1/c1_LIRAssembler.cpp
! src/share/vm/code/nmethod.cpp