// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // Flags: --allow-natives-syntax // Test expressions that can be computed with a multiply-add instruction. function f(a, b, c) { return a * b + c; } function g(a, b, c) { return a + b * c; } function h(a, b, c, d) { return a * b + c * d; } %PrepareFunctionForOptimization(f); assertEquals(5, f(1, 2, 3)); assertEquals(5, f(1, 2, 3)); %OptimizeFunctionOnNextCall(f); assertEquals(5, f(1, 2, 3)); assertEquals("2foo", f(1, 2, "foo")); assertEquals(5.41, f(1.1, 2.1, 3.1)); assertEquals(5.41, f(1.1, 2.1, 3.1)); %PrepareFunctionForOptimization(f); %OptimizeFunctionOnNextCall(f); assertEquals(5.41, f(1.1, 2.1, 3.1)); %PrepareFunctionForOptimization(g); assertEquals(7, g(1, 2, 3)); assertEquals(7, g(1, 2, 3)); %OptimizeFunctionOnNextCall(g); assertEquals(7, g(1, 2, 3)); assertEquals(8.36, g(1.1, 2.2, 3.3)); assertEquals(8.36, g(1.1, 2.2, 3.3)); %PrepareFunctionForOptimization(g); %OptimizeFunctionOnNextCall(g); assertEquals(8.36, g(1.1, 2.2, 3.3)); %PrepareFunctionForOptimization(h); assertEquals(14, h(1, 2, 3, 4)); assertEquals(14, h(1, 2, 3, 4)); %OptimizeFunctionOnNextCall(h); assertEquals(14, h(1, 2, 3, 4)); assertEquals(15.02, h(1.1, 2.1, 3.1, 4.1)); assertEquals(15.02, h(1.1, 2.1, 3.1, 4.1)); %PrepareFunctionForOptimization(h); %OptimizeFunctionOnNextCall(h); assertEquals(15.02, h(1.1, 2.1, 3.1, 4.1));