[Openmp-commits] [PATCH] D63515: [OPENMP][CUDA]Use __syncthreads when compiled by nvcc and clang >= 9.0.

[Alexey Bataev via Phabricator via Openmp-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL363807: [OPENMP][CUDA]Use __syncthreads when compiled by nvcc and clang >= 9.0. (authored by ABataev, committed by ).
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Herald added a subscriber: llvm-commits.

Changed prior to commit:
  https://reviews.llvm.org/D63515?vs=205427&id=205585#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D63515/new/

https://reviews.llvm.org/D63515

Files:
  openmp/trunk/libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.h


Index: openmp/trunk/libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.h
===================================================================
--- openmp/trunk/libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.h
+++ openmp/trunk/libomptarget/deviceRTLs/nvptx/src/omptarget-nvptx.h
@@ -61,7 +61,12 @@
 #endif
 
 #define __SYNCTHREADS_N(n) asm volatile("bar.sync %0;" : : "r"(n) : "memory");
+// Use original __syncthreads if compiled by nvcc or clang >= 9.0.
+#if !defined(__clang__) || __clang_major__ >= 9
+#define __SYNCTHREADS() __syncthreads()
+#else
 #define __SYNCTHREADS() __SYNCTHREADS_N(0)
+#endif
 
 // arguments needed for L0 parallelism only.
 class omptarget_nvptx_SharedArgs {


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