[Openmp-commits] [PATCH] D48480: [OPENMP, NVPTX] Fixes for NVPTX RTL

Alexey Bataev via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Fri Jun 22 09:32:43 PDT 2018

ABataev added inline comments.

Comment at: libomptarget/deviceRTLs/nvptx/src/sync.cu:36-38
 // Emit a simple barrier call in SPMD mode.  Assumes the caller is in an L0
 // parallel region and that all worker threads participate.
 EXTERN void __kmpc_barrier_simple_spmd(kmp_Indent *loc_ref, int32_t tid) {
Hahnfeld wrote:
> ABataev wrote:
> > Hahnfeld wrote:
> > > Are you moving these functions for a reason? I think they are defined as extern, so there's no need to have them before calling them.
> > > 
> > > (Moving code makes reading patches very difficult, I think the only change in this file is in `__kmpc_barrier`, right?)
> > Right, only `__kmpc_[cancel_]barrier` has changed. But it uses these `generic|spmd` versions and the compiler cannot see them because they are defined/declared later. 
> They are declared in `interface.h` which should be included from `omptarget-nvptx.h`, no?
Ah, yes. Ok, I'll restore the original order.

  rOMP OpenMP


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