Add comment on max ISA

NVIDIA · Feb 9, 2024 · 40878d8 · 40878d8
1 parent dda22c1
commit 40878d8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/libcudacxx/include/cuda/std/detail/libcxx/include/__cccl/ptx_isa.h b/libcudacxx/include/cuda/std/detail/libcxx/include/__cccl/ptx_isa.h
@@ -32,6 +32,8 @@
  */
 
 // PTX ISA 8.3 is available from CUDA 12.3, driver r545
+// The first define is for future major versions of CUDACC.
+// We make sure that these get the highest known PTX ISA version.
 #if   (defined(__CUDACC_VER_MAJOR__) && (__CUDACC_VER_MAJOR__ > 12)) || (!defined(__CUDACC_VER_MAJOR__))
 #  define __cccl_ptx_isa 830ULL
 #elif (defined(__CUDACC_VER_MAJOR__) && (__CUDACC_VER_MAJOR__ >= 12 && __CUDACC_VER_MINOR__ >= 3)) \