https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83262
--- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > Dick Henderson in clf claims that there is a bug in the code. > You're comparing apples and oranges. Mike Metcalf ran the > code with Dick's suggested change. All my timings after comment 3 are done with the change of 'n' to 'i'. > There is no statistically significant difference in timings. Well, my timings do not support that. Depending on the options and the revisions I see significant differences. In particular the option '-falign-jumps' is quite bad, at least on x86_64-apple-darwin17.