[ET Trac] [Einstein Toolkit] #1634: CUDA breaks CCTK_BUILTIN_UNREACHABLE

[Einstein Toolkit]

#1634: CUDA breaks CCTK_BUILTIN_UNREACHABLE
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  Reporter:  sbrandt  |       Owner:                     
      Type:  defect   |      Status:  new                
  Priority:  minor    |   Milestone:  Cactus_4.3.0       
 Component:  Other    |     Version:  development version
Resolution:           |    Keywords:                     
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Comment (by eschnett):

 (1) In the long run, CUDA should become its own language, and should stop
 pretending to be C or C++. In the short run, testing __CUDACC__ is fine.

 (2) Isn't CUDA like C++? If so, do you need to change the behaviour of C
 code?

 (3) If asm("trap;") works always, then the macro should be always defined,
 and not only if C++ supports it.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1634#comment:1>
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