Adapt 32-bit backend as well.

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/abstract_intel_emit@15397 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
llabel -> label

git-svn-id: http://caml.inria.fr/svn/ocaml/branches/abstract_intel_emit@15398 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02