// 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 Int32Div(divisor) { var name = "div_"; if (divisor < 0) { name += "minus_"; } name += Math.abs(divisor); var m = eval( 'function Module(stdlib, foreign, heap) {\n' + ' "use asm";\n' + ' function ' + name + '(dividend) {\n' + ' dividend = dividend | 0;\n' + ' return ((dividend | 0) / ' + divisor + ') | 0;\n' + ' }\n' + ' return { f: ' + name + '}\n' + '}; Module'); return m(stdlib, foreign, heap).f; } var divisors = [-2147483648, -32 * 1024, -1000, -16, -7, -2, -1, 0, 1, 3, 4, 10, 64, 100, 1024, 2147483647]; for (var i in divisors) { var divisor = divisors[i]; var div = Int32Div(divisor); for (var dividend = -2147483648; dividend < 2147483648; dividend += 3999773) { assertEquals((dividend / divisor) | 0, div(dividend)); } }