vcpop.v :: RISC-V Specification for example_rv64_with

Encoding

Counts the number of set bits (population count) in each element of vector register vs2, storing results in vector register vd according to mask vm.

M	HS	U	VS	VU
Always	Always	Always	Always	Always

M

HS

U

VS

VU

Always

Bits<1> vm = $encoding[25];
Bits<5> vs2 = $encoding[24:20];
Bits<5> vd = $encoding[11:7];