i32.popcnt
i32 popcnt operation.
core0x69
Syntax
i32.popcnt
Stack Effect
[i32] -> [i32]Opcode
- Hex
0x69- Decimal
105- Bytes
[0x69]- Encoding
0x69- Category
- numeric
Browser Support
Core WebAssembly instruction.
Validation Rules
- Operands and result types must match the instruction signature.
- The instruction must appear in a valid structured control context.
Common Mistakes
- Using the instruction with the wrong operand type.
- Forgetting that WAT validation is stack-typed.
(func $example
;; i32.popcnt example
)