https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79703 --- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> --- Please note that Phoronix SciMark 2.0 benchmark is faulty [1]. [1] https://kristerw.blogspot.si/2017/07/phoronix-scimark-benchmarking-results.html