https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111791
--- Comment #5 from Vineet Gupta <vineetg at gcc dot gnu.org> --- (In reply to Robin Dapp from comment #4) > Analyzing loop at pr111791.c:8 > pr111791.c:8:25: note: === analyze_loop_nest === > pr111791.c:8:25: note: === vect_analyze_loop_form === > pr111791.c:8:25: note: === get_loop_niters === > Matching expression match.pd:1919, generic-match-8.cc:27 > Applying pattern match.pd:1975, generic-match-2.cc:4670 > Matching expression match.pd:2707, generic-match-4.cc:36 > Matching expression match.pd:2710, generic-match-3.cc:53 > Matching expression match.pd:2717, generic-match-2.cc:23 > Matching expression match.pd:2707, generic-match-4.cc:36 > Matching expression match.pd:2710, generic-match-3.cc:53 > Matching expression match.pd:2717, generic-match-2.cc:23 > Matching expression match.pd:2707, generic-match-4.cc:36 > Matching expression match.pd:2710, generic-match-3.cc:53 > Matching expression match.pd:2717, generic-match-2.cc:23 > Matching expression match.pd:148, generic-match-10.cc:27 > Matching expression match.pd:148, generic-match-10.cc:27 > Applying pattern match.pd:4519, generic-match-4.cc:2923 > Applying pattern match.pd:201, generic-match-4.cc:3103 > Applying pattern match.pd:3393, generic-match-2.cc:182 > pr111791.c:8:25: note: Symbolic number of iterations is (unsigned intD.4) > __builtin_popcountlD.1952 (value_4(D)) Curious, how did you get this debug output - is this just one of -fdump-tree-?