https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32605
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jed Brown from comment #5) > The missed optimization even exists for code such as this, which should > compile to a simple load on LE architectures. That is because GCC decided to only optimize this code at -O2 and above. Rather than at -O1. IIRC this is because in some cases it can introduce some bigger decrease compile time.
