https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92225
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Component|target |tree-optimization
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
OK, so I think we fail to check appropriately for support of the epilogue
reduction. The in-loop reduction happens in V4SImode but the actual reduction
IV is V2DImode and that's how the reduction is performed.
