https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121653
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|middle-end |tree-optimization --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Thinking about this is more, it is really due to a limit in gimple-ssa-store-merging . right now it is limited to uint64_t . But really it should limited to 2xuint_t. Let me figure out how to fix that limitation.