------- Comment #2 from spark at gcc dot gnu dot org 2007-08-29 15:23 ------- I suspect this might be due to not updating the rd information after unrolling. Can you check if analyze_insns_in_loop() (which calls df_analyze()) is being called just before the problematic unrolling ?
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33224
