https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114109
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Blocks| |53947 CC| |rguenth at gcc dot gnu.org --- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> --- There's at least one other bug about this (or a similar) pattern. Note using -fno-vect-cost-model isn't really recommended. Might want to relate the various x264 missed-opt bugs. Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 [Bug 53947] [meta-bug] vectorizer missed-optimizations