Re: [PATCH v2] predcom: Enabled by loop vect at O2 [PR100794]

On Thu, Jun 3, 2021 at 5:33 AM Kewen.Lin wrote: > > Hi Richard, > > on 2021/6/3 上午1:19, Richard Sandiford wrote: > > "Kewen.Lin via Gcc-patches" writes: > >> Hi, > >> > >> As PR100794 shows, in the current implementation PRE bypasses > >> some optimization to avoid introducing loop carried depend

[PATCH v2] predcom: Enabled by loop vect at O2 [PR100794]

Hi Richard, on 2021/6/3 上午1:19, Richard Sandiford wrote: > "Kewen.Lin via Gcc-patches" writes: >> Hi, >> >> As PR100794 shows, in the current implementation PRE bypasses >> some optimization to avoid introducing loop carried dependence >> which stops loop vectorizer to vectorize the loop. At -O2