diff options
Diffstat (limited to 'intern/cycles/util')
| -rw-r--r-- | intern/cycles/util/math.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/intern/cycles/util/math.h b/intern/cycles/util/math.h index d1773970bab..f1f627588c5 100644 --- a/intern/cycles/util/math.h +++ b/intern/cycles/util/math.h @@ -793,6 +793,9 @@ ccl_device_inline uint popcount(uint x) return i & 1; } # endif +#elif defined(__KERNEL_HIP__) +/* Use popcll to support 64-bit wave for pre-RDNA AMD GPUs */ +# define popcount(x) __popcll(x) #elif !defined(__KERNEL_METAL__) # define popcount(x) __popc(x) #endif |