.NH 2 Source files of RA .PP The sources of RA are in the following files and packages: .IP ra.h: 14 declarations of global variables and data structures .IP ra.c: the routine main; initialization of target machine-dependent tables .IP items: a routine to build the list of items of one procedure; routines to manipulate items .IP lifetime: contains a subroutine that determines when items are live/dead .IP alloclist: contains subroutines that build the initial allocations list and that compute the rivals sets. .IP profits: contains a subroutine that computes the profits of the allocations and a routine that determines the costs of saving/restoring registers .IP pack: contains the packing subphase .IP xform: contains the transformation subphase .IP interval: contains routines to manipulate intervals of time .IP aux: contains auxiliary routines .LP