v8/test/mjsunit/regress/regress-undefined-nan3.js
bmeurer 0381acf7b3 Double field values need sNaN -> qNaN canonicalization.
Also fix mjsunit/regress/regress-undefined-nan to ensure that we are
testing transfer via xmm registers by forcing the transfer to be in an
optimized function.

BUG=v8:3839
LOG=n
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/863153002

Cr-Commit-Position: refs/heads/master@{#26213}
2015-01-22 08:36:12 +00:00

33 lines
818 B
JavaScript

// Copyright 2015 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.
// Flags: --allow-natives-syntax
var ab = new ArrayBuffer(8);
var i_view = new Int32Array(ab);
i_view[0] = 0xFFF7FFFF;
i_view[1] = 0xFFF7FFFF;
var f_view = new Float64Array(ab);
var fixed_double_elements = new Float64Array(1);
fixed_double_elements[0] = f_view[0];
function A(src) { this.x = src[0]; }
new A(fixed_double_elements);
new A(fixed_double_elements);
%OptimizeFunctionOnNextCall(A);
var obj = new A(fixed_double_elements);
function move_x(dst, obj) { dst[0] = obj.x; }
var doubles = [0.5];
move_x(doubles, obj);
move_x(doubles, obj);
%OptimizeFunctionOnNextCall(move_x);
move_x(doubles, obj);
assertTrue(doubles[0] !== undefined);