On Tue, Nov 03, 2015 at 11:01:57AM -0500, Nathan Sidwell wrote:
> On 11/03/15 10:46, Jakub Jelinek wrote:
> >On Mon, Nov 02, 2015 at 11:18:37AM -0500, Nathan Sidwell wrote:
> >>This is the core execution bits of OpenACC reductions.
> >>
> >>We have a new internal fn 'IFN_GOACC_REDUCTION' and a new target hook
> >>goacc.reduction, to lower it on the target compiler.
> >
> >So, let me start with a few questions:
> >1) does OpenACC allow UDRs or only the built-in reductions? If it
> > does not allow UDRs, do you have it covered by testcases that you
> > disallow parsing of them (e.g. when you have
>
> no UDR reductions. Will check test cases for that.
BTW, what about min/max reductions for C/C++? Those were added in OpenMP
3.1, so perhaps OpenACC copied them.
Jakub
