https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730
--- Comment #5 from PeteVine <tulipawn at gmail dot com> --- OK, I hacked the last two to use -mcpu=cortex-a53 (the first one got switched to -mtune) and the result looks like this: http://openbenchmarking.org/result/1609258-LO-FORTRANAA63 Not exactly the original issues :)