utah rcsid 1.8 87/09/10 12:54:29: The last fix was too liberal with the

utah rcsid 1.8 87/09/10 12:54:29: The last fix was too liberal with the
definition of 'redundant' -- it deleted the first instruction in pairs like
'cvtdl r0,r0; cvtlb r0,-1(fp)'.  We now only make the deletion if the
source of the first instruction is as small as the source of the second
instruction (we use equtype() instead of compat()).

SCCS-vsn: old/pcc/c2.vax/c21.c 4.22