1// Copyright 2015 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Flags: --allow-natives-syntax 6 7function loader(dst, src, i) { 8 dst[i] = src[i]; 9} 10 11var ab = new ArrayBuffer(8); 12var i_view = new Int32Array(ab); 13i_view[0] = %GetHoleNaNUpper() 14i_view[1] = %GetHoleNaNLower(); 15var f_view = new Float64Array(ab); 16 17var fixed_double_elements = new Float64Array(1); 18 19function opt_store() { fixed_double_elements[0] = f_view[0]; } 20 21opt_store(); 22opt_store(); 23%OptimizeFunctionOnNextCall(opt_store); 24opt_store(); 25 26var i32 = new Int32Array(fixed_double_elements.buffer); 27assertEquals(i_view[0], i32[0]); 28assertEquals(i_view[1], i32[1]); 29 30var doubles = [0.5]; 31loader(doubles, fixed_double_elements, 0); 32loader(doubles, fixed_double_elements, 0); 33%OptimizeFunctionOnNextCall(loader); 34loader(doubles, fixed_double_elements, 0); 35assertTrue(doubles[0] !== undefined); 36