On Wed, 21 Oct 2015, Bernd Schmidt wrote:
> On 10/20/2015 08:34 PM, Alexander Monakov wrote: > > The NVPTX backend emits each functions either as .func (callable only from > > the > > device code) or as .kernel (entry point for a parallel region). OpenMP > > lowering adds "omp target entrypoint" attribute to functions outlined from > > target regions. Unlike OpenACC offloading, OpenMP offloading does not > > invoke > > such outlined functions directly, but instead passes their address to > > 'gomp_nvptx_main'. Restrict the special attribute treatment to OpenACC > > only. > > > > * config/nvptx/nvptx.c (write_as_kernel): Additionally test > > flag_openacc for "omp_target_entrypoint". > > I'm not too keen on this. The idea of the attribute is to make it a kernel > that can be executed from the host. If that isn't wanted by OpenMP, it > shouldn't set the attribute. I do want the attribute in OpenMP, but I want to use the attribute differently in the backend, as in patch 02/14 demonstrates. Alexander
