Make the x86 back end capable of generating conditional calls.

NOTE, the argument marshalling for regparm'd calls is observed to
be wrong.  Arguments are computed directly into the real registers,
thus trashing themselves if a regparm-call should be contained in
an argument to another regparm-call.



git-svn-id: svn://svn.valgrind.org/vex/trunk@482 8f6e269a-dfd6-0310-a8e1-e2731360e62c
4 files changed