node/deps/v8/test/mjsunit/asm/zero-extend.js
Michaël Zasso 60d1aac8d2 deps: update V8 to 5.8.283.38
PR-URL: https://github.com/nodejs/node/pull/12784
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
2017-05-06 20:02:35 +02:00

38 lines
908 B
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var stdlib = this;
var buffer = new ArrayBuffer(64 * 1024);
var foreign = {}
var zext8 = (function Module(stdlib, foreign, heap) {
"use asm";
function zext8(i) {
i = i | 0;
return (i & 0xff) | 0;
}
return { zext8: zext8 };
})(stdlib, foreign, buffer).zext8;
assertEquals(0, zext8(0));
assertEquals(0, zext8(0x100));
assertEquals(0xff, zext8(-1));
assertEquals(0xff, zext8(0xff));
var zext16 = (function Module(stdlib, foreign, heap) {
"use asm";
function zext16(i) {
i = i | 0;
return (i & 0xffff) | 0;
}
return { zext16: zext16 };
})(stdlib, foreign, buffer).zext16;
assertEquals(0, zext16(0));
assertEquals(0, zext16(0x10000));
assertEquals(0xffff, zext16(-1));
assertEquals(0xffff, zext16(0xffff));