Re: [PATCH] vect: Don't vectorize a single scalar iteration loop [PR110740]

2023-07-23 Thread Kewen.Lin via Gcc-patches
on 2023/7/21 19:49, Richard Biener wrote: > On Fri, Jul 21, 2023 at 8:08 AM Kewen.Lin wrote: >> >> Hi, >> >> The function vect_update_epilogue_niters which has been >> removed by r14-2281 has some code taking care of that if >> there is only one scalar iteration left for epilogue then >> we won't

Re: [PATCH] vect: Don't vectorize a single scalar iteration loop [PR110740]

2023-07-21 Thread Richard Biener via Gcc-patches
On Fri, Jul 21, 2023 at 8:08 AM Kewen.Lin wrote: > > Hi, > > The function vect_update_epilogue_niters which has been > removed by r14-2281 has some code taking care of that if > there is only one scalar iteration left for epilogue then > we won't try to vectorize it any more. > > Although costing