popcnt (population count) todo $$ T.\mathsf{popcnt} \enspace ( value: T ) \to T $$ Instructions Opcode Instruction Stack Arity 0x69 i32.popcnt $[ \mathsf{i32} ] \to [ \mathsf{i32} ]$ 0x7B i64.popcnt $[ \mathsf{i64} ] \to [ \mathsf{i64} ]$ WAT Examples todo References WebAssembly Core Specification