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cuda: Support CUDA toolkit versions older than 10. #216

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Sep 18, 2023
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5 changes: 5 additions & 0 deletions blake3.cu
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,12 @@
#define MAX_OUTPUT_RESULTS 32

// Written and optimized by Dave Collins Sep 2023.
#if __CUDACC_VER_MAJOR__ >= 10
#define ROTR(v, n) __funnelshift_rc((v), (v), n)
#else
#define ROTR(v, n) ((v) >> n) | ((v) << (32 - n))
#endif


__global__
void search(
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