Left rotate

The rotl instructions, short for rotate-left, are used for performing a bitwise left-rotate.

Try it


;; load two numbers onto the stack
i32.const 3758096384 ;; 11100000_00000000_00000000_00000000
i32.const 1          ;; left rotate one spot

;; perform a bitwise left-rotate

;; the top item on the stack will now be 3221225473
;; (11000000_00000000_00000000_00000001)
Instruction Binary opcode
i32.rotl 0x77
i64.rotl 0x89