Left shift

(module (func (export "shift_left") (param $num i32) (param $by i32) (result i32) ;; load the number to shift and the by how many spots local.get $num local.get $by ;; shift and return the result i32.shl ) ) 

const url = "{%wasm-url%}"; await WebAssembly.instantiateStreaming(fetch(url), { console }).then( (result) => { const shift_left = result.instance.exports.shift_left; const res = shift_left(0b11100000_00000000_00000000_00000000, 1); console.log(numToBin(res)); // Expected output: "11000000_00000000_00000000_00000000" }, ); function numToBin(num) { return (num >>> 0) .toString(2) .padStart(32, "0") .match(/.{1,8}/g) .join("_"); } 

;; load two numbers onto the stack i32.const 7 ;; 00000111 i32.const 1 ;; left shift one spot ;; perform a bitwise left-shift i32.shl ;; the top item on the stack will now be 14 (00001110)