08/28/2003 : Add highly associative cache search to do_prefetch

08/28/2003 : Fixed FIND_ADDR_MATCH function in victim buffer code to hit only 
when line is valid

08/28/2003 : Fixed victim buffer code to update cache line when evicted 
cache line is not valid

08/28/2003 : Fixed FIND_MSHR_MATCH macro to account for prefetch MSHRS

09/08/2003 : Changed type of tag field in load_store_queue struct in issue.c
to unsigned long

09/08/2003 : Changed the second parameter to function valid_lq to type 
unsigned long in files writeback.{c,h}
