* src/vm/jit/alpha/codegen.c,

* src/vm/jit/alpha/codegen.c,
src/vm/jit/codegen-common.c,
src/vm/jit/jit.c,
src/vm/jit/show.c,
src/vm/vm.c,
src/vmcore/options.c,
src/vmcore/options.h: Integrated Christian Ullrichs changes related to SSA and LSRA. The diff against SVN version 8144 was carefully integrated.

* src/vm/jit/optimizing/Makefile.am,
src/vm/jit/optimizing/graph.c,
src/vm/jit/optimizing/lifetimes.c,
src/vm/jit/optimizing/lsra.c,
src/vm/jit/optimizing/lsra.h,
src/vm/jit/optimizing/ssa.c,
src/vm/jit/optimizing/ssa.h,
src/vm/jit/optimizing/ssa_phi.c,
src/vm/jit/optimizing/ssa_phi.h,
src/vm/jit/optimizing/ssa_rename.c,
src/vm/jit/optimizing/ssa_rename.h: Integrated Christian Ullrichs changes related to SSA and LSRA. Those files were just COPYED and adapted from his modified SVN 8144 working copy.

NOTE: Christian Ullrichs SSA+LSRA related changes to the x86_64 codegenerator are NOT MERGED in this commit.