https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36281
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |53947
Assignee|spop at gcc dot gnu.org |unassigned at gcc dot
gnu.org
--- Comment #5 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #4)
> (In reply to Sebastian Pop from comment #0)
> > The testcase of PR36181 should be parallelized after being vectorized.
> >
> > /* { dg-do compile } */
> > /* { dg-options "-O3 -ftree-parallelize-loops=2" } */
> >
> > int foo ()
> > {
> > int i, sum = 0, data[1024];
> >
> > for(i = 0; i<1024; i++)
> > sum += data[i];
> >
> > return sum;
> > }
> >
> > The fix for PR36181 was to disable the parallelization of a loop when
> > one of the phi nodes had a vector type. This testcase should also be
> > parallelized. See also the comments from the fix for PR36181:
> > http://gcc.gnu.org/ml/gcc-patches/2008-05/msg01217.html
>
> Are you still working on this?
Guess not.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947
[Bug 53947] [meta-bug] vectorizer missed-optimizations
