1// Copyright 2012 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --allow-natives-syntax 29// Test expressions that can be computed with a multiply-add instruction. 30 31function f(a, b, c) { 32 return a * b + c; 33} 34 35function g(a, b, c) { 36 return a + b * c; 37} 38 39function h(a, b, c, d) { 40 return a * b + c * d; 41} 42 43assertEquals(5, f(1, 2, 3)); 44assertEquals(5, f(1, 2, 3)); 45%OptimizeFunctionOnNextCall(f); 46assertEquals(5, f(1, 2, 3)); 47assertEquals("2foo", f(1, 2, "foo")); 48assertEquals(5.41, f(1.1, 2.1, 3.1)); 49assertEquals(5.41, f(1.1, 2.1, 3.1)); 50%OptimizeFunctionOnNextCall(f); 51assertEquals(5.41, f(1.1, 2.1, 3.1)); 52 53assertEquals(7, g(1, 2, 3)); 54assertEquals(7, g(1, 2, 3)); 55%OptimizeFunctionOnNextCall(g); 56assertEquals(7, g(1, 2, 3)); 57assertEquals(8.36, g(1.1, 2.2, 3.3)); 58assertEquals(8.36, g(1.1, 2.2, 3.3)); 59%OptimizeFunctionOnNextCall(g); 60assertEquals(8.36, g(1.1, 2.2, 3.3)); 61 62assertEquals(14, h(1, 2, 3, 4)); 63assertEquals(14, h(1, 2, 3, 4)); 64%OptimizeFunctionOnNextCall(h); 65assertEquals(14, h(1, 2, 3, 4)); 66assertEquals(15.02, h(1.1, 2.1, 3.1, 4.1)); 67assertEquals(15.02, h(1.1, 2.1, 3.1, 4.1)); 68%OptimizeFunctionOnNextCall(h); 69assertEquals(15.02, h(1.1, 2.1, 3.1, 4.1)); 70