15d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// Copyright 2010 the V8 project authors. All rights reserved. 25d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// Redistribution and use in source and binary forms, with or without 35d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// modification, are permitted provided that the following conditions are 45d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// met: 55d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// 65d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// * Redistributions of source code must retain the above copyright 75d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// notice, this list of conditions and the following disclaimer. 85d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// * Redistributions in binary form must reproduce the above 95d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// copyright notice, this list of conditions and the following 105d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// disclaimer in the documentation and/or other materials provided 115d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// with the distribution. 125d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// * Neither the name of Google Inc. nor the names of its 135d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// contributors may be used to endorse or promote products derived 145d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// from this software without specific prior written permission. 155d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// 165d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 287516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org// See: http://code.google.com/p/v8/issues/detail?id=1278 295d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 307516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org// Test that that handling of 0/-0 is correct for binary operations when the 317516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org// TypeRecordingBinaryOpStub transitions through different states. 325d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 337516f05132429850aa326421ed3e25f23b4c071blrn@chromium.orgfunction add(x, y) { 347516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org return x + y; 357516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org} 367516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org 377516f05132429850aa326421ed3e25f23b4c071blrn@chromium.orgfunction sub(x, y) { 387516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org return x - y; 397516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org} 405d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 417516f05132429850aa326421ed3e25f23b4c071blrn@chromium.orgfunction mul(x, y) { 427516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org return x * y; 437516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org} 447516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org 457516f05132429850aa326421ed3e25f23b4c071blrn@chromium.orgfunction div(x, y) { 467516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org return x / y; 477516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org} 485d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 497516f05132429850aa326421ed3e25f23b4c071blrn@chromium.orgfor (var i = 0; i < 10; i++) { 507516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, add(0, 0)); 517516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, add(0, -0)); 527516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, add(-0, 0)); 537516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(-0, add(-0, -0)); 545d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 557516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, sub(0, 0)); 567516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, sub(0, -0)); 577516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(-0, sub(-0, 0)); 587516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, sub(-0, -0)); 595d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 607516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, mul(0, 0)); 617516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(-0, mul(0, -0)); 627516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(-0, mul(-0, 0)); 637516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, mul(-0, -0)); 645d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org 657516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, div(0, 1)); 667516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(-0, div(0, -1)); 677516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(-0, div(-0, 1)); 687516f05132429850aa326421ed3e25f23b4c071blrn@chromium.org assertEquals(0, div(-0, -1)); 695d8f0e6e7b477f422e3064bdf0dd5f2a23f75544kmillikin@chromium.org} 70