## 3.246. __nv_popc

Prototype:

i32 @__nv_popc(i32 %x)



Description:

Count the number of bits that are set to 1 in x.

Returns:

Returns a value between 0 and 32 inclusive representing the number of set bits.

Library Availability:

Compute 2.0: Yes

Compute 3.0: Yes

Compute 3.5: Yes