Make the x86 and amd64 back ends use the revised prototypes for
genSpill and genReload.  ppc32/64 backends are still broken.
Also, tidy up associated pointer-type casting in main_main.c.



git-svn-id: svn://svn.valgrind.org/vex/trunk@1950 8f6e269a-dfd6-0310-a8e1-e2731360e62c
5 files changed