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 7 function loader(dst, src, i) { 8 dst[i] = src[i]; 9 } 10 11 var ab = new ArrayBuffer(8); 12 var i_view = new Int32Array(ab); 13 i_view[0] = %GetHoleNaNUpper() 14 i_view[1] = %GetHoleNaNLower(); 15 var f_view = new Float64Array(ab); 16 17 var fixed_double_elements = new Float64Array(1); 18 19 function opt_store() { fixed_double_elements[0] = f_view[0]; } 20 21 opt_store(); 22 opt_store(); 23 %OptimizeFunctionOnNextCall(opt_store); 24 opt_store(); 25 26 var i32 = new Int32Array(fixed_double_elements.buffer); 27 assertEquals(i_view[0], i32[0]); 28 assertEquals(i_view[1], i32[1]); 29 30 var doubles = [0.5]; 31 loader(doubles, fixed_double_elements, 0); 32 loader(doubles, fixed_double_elements, 0); 33 %OptimizeFunctionOnNextCall(loader); 34 loader(doubles, fixed_double_elements, 0); 35 assertTrue(doubles[0] !== undefined); 36
