"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,
> there is no downstream pass to re-catch this kind of opportun
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,
there is no downstream pass to re-catch this kind of opportunity
if loop vectorizer fails to vectorize that l