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// 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 = {};
var foreign = {};
var heap = new ArrayBuffer(64 * 1024);
function Uint32Div(divisor) {
var name = "div_";
name += divisor;
var m = eval("function Module(stdlib, foreign, heap) {\n"
+ " \"use asm\";\n"
+ " function " + name + "(dividend) {\n"
+ " return ((dividend >>> 0) / " + divisor + ") >>> 0;\n"
+ " }\n"
+ " return { f: " + name + "}\n"
+ "}; Module");
return m(stdlib, foreign, heap).f;
}
var divisors = [0, 1, 3, 4, 10, 42, 64, 100, 1024, 2147483647, 4294967295];
for (var i in divisors) {
var divisor = divisors[i];
var div = Uint32Div(divisor);
for (var dividend = 0; dividend < 4294967296; dividend += 3999773) {
assertEquals((dividend / divisor) >>> 0, div(dividend));
}
}
var div = (function(stdlib, foreign, heap) {
"use asm";
function div(dividend, divisor) {
return (dividend >>> 0) / (divisor >>> 0) | 0;
}
return {div: div};
})(stdlib, foreign, heap).div;
for (var i in divisors) {
var divisor = divisors[i];
for (var dividend = 0; dividend < 4294967296; dividend += 3999773) {
assertEquals((dividend >>> 0) / (divisor >>> 0) | 0,
div(dividend, divisor));
}
}