------- Comment #11 from bonzini at gnu dot org 2006-06-08 12:24 ------- OUCH! The number is stored as a unsigned int in the cache, which means that numbers > 2^32 never hit the cache!
Besides that, it's wise to enlarge the cache for 64-bit hosts, because there every EXACT_DIV_EXPR will call synth_mult with a very large multiplier. Time for a -O0 compiler on the reduced testcase is down to 0.3s for 2069 cache entries, and 0.8s for 1031 cache entries. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27733