blob: 6ec9b69956e8a5a43d4d5bf8f9264edcb5d21469 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
;; iterative fib(n) in web assembly text format (wat)
;; this gets compiled to the fib.wasm binary
;; and gets fetched via a data URL in index.js
(module
(export "fib" (func $fib))
(func $fib (param $n i32) (result i32)
(local $last i32)
(local $sum i32)
(local $i i32)
(local $tmp i32)
(if (i32.lt_s (local.get $n) (i32.const 2))
(return (local.get $n))
)
(local.set $last (i32.const 0))
(local.set $sum (i32.const 1))
(local.set $i (i32.const 2))
(local.set $n (i32.add (local.get $n) (i32.const 1)))
(loop $loop
(local.set $tmp (local.get $sum))
(local.set $sum (i32.add (local.get $sum) (local.get $last)))
(local.set $last (local.get $tmp))
(local.set $i (i32.add (local.get $i) (i32.const 1)))
(br_if $loop (i32.lt_s (local.get $i) (local.get $n)))
)
(return (local.get $sum))
)
)
|
