// 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 --expose-gc // Test shift operations that can be replaced by rotate operation. function SideEffect() { with ({}) { } // not inlinable } function Twenty() { SideEffect(); return 20; } function Twelve() { SideEffect(); return 12; } function ROR(x, sa) { return (x >>> sa) | (x << (32 - sa)); } function ROR1(x, sa) { return (x >>> sa) | (x << (32 - sa)); } function ROR2(x, sa) { return (x >>> (32 - sa)) | (x << (sa)); } function ROR3(x, sa) { return (x << (32 - sa)) | (x >>> sa); } function ROR4(x, sa) { return (x << (sa)) | (x >>> (32 - sa)); } assertEquals(1 << ((2 % 32)), ROR(1, 30)); assertEquals(1 << ((2 % 32)), ROR(1, 30)); %OptimizeFunctionOnNextCall(ROR); assertEquals(1 << ((2 % 32)), ROR(1, 30)); assertEquals(0xF0000FFF | 0, ROR1(0x0000FFFF, 4)); assertEquals(0xF0000FFF | 0, ROR1(0x0000FFFF, 4)); %OptimizeFunctionOnNextCall(ROR1); assertEquals(0xF0000FFF | 0, ROR1(0x0000FFFF, 4)); assertEquals(0x0FFFF000 | 0, ROR1(0x0000FFFF, 20)); assertEquals(0x0FFFF000 | 0, ROR1(0x0000FFFF, 20)); %OptimizeFunctionOnNextCall(ROR1); assertEquals(0x0FFFF000 | 0, ROR1(0x0000FFFF, 20)); assertEquals(0x0FFFF000 | 0, ROR1(0x0000FFFF, Twenty())); assertEquals(0x0FFFF000 | 0, ROR1(0x0000FFFF, Twenty())); %OptimizeFunctionOnNextCall(ROR1); assertEquals(0x0FFFF000 | 0, ROR1(0x0000FFFF, Twenty())); for (var i = 0; i <= 100; i++) { assertEquals(0xFFFFFFFF | 0, ROR1(0xFFFFFFFF, i)); assertEquals(0xFFFFFFFF | 0, ROR1(0xFFFFFFFF, i)); %OptimizeFunctionOnNextCall(ROR1); assertEquals(0xFFFFFFFF | 0, ROR1(0xFFFFFFFF, i)); } for (var i = 0; i <= 100; i++) { assertEquals(-1, ROR1(-1, i)); assertEquals(-1, ROR1(-1, i)); %OptimizeFunctionOnNextCall(ROR1); assertEquals(-1, ROR1(-1, i)); } for (var i = 0; i <= 100; i++) { assertEquals(1 << (32 - (i % 32)), ROR1(1, i)); assertEquals(1 << (32 - (i % 32)), ROR1(1, i)); %OptimizeFunctionOnNextCall(ROR1); assertEquals(1 << (32 - (i % 32)), ROR1(1, i)); } for (var i = 0; i <= 100; i++) { assertEquals(1 << (32 - (i % 32)), ROR1(1.4, i)); assertEquals(1 << (32 - (i % 32)), ROR1(1.4, i)); %OptimizeFunctionOnNextCall(ROR1); assertEquals(1 << (32 - (i % 32)), ROR1(1.4, i)); } assertEquals(0xF0000FFF | 0, ROR2(0x0000FFFF, 28)); assertEquals(0xF0000FFF | 0, ROR2(0x0000FFFF, 28)); %OptimizeFunctionOnNextCall(ROR2); assertEquals(0xF0000FFF | 0, ROR2(0x0000FFFF, 28)); assertEquals(0x0FFFF000 | 0, ROR2(0x0000FFFF, 12)); assertEquals(0x0FFFF000 | 0, ROR2(0x0000FFFF, 12)); %OptimizeFunctionOnNextCall(ROR2); assertEquals(0x0FFFF000 | 0, ROR2(0x0000FFFF, 12)); assertEquals(0x0FFFF000 | 0, ROR2(0x0000FFFF, Twelve())); assertEquals(0x0FFFF000 | 0, ROR2(0x0000FFFF, Twelve())); %OptimizeFunctionOnNextCall(ROR2); assertEquals(0x0FFFF000 | 0, ROR2(0x0000FFFF, Twelve())); for (var i = 0; i <= 100; i++) { assertEquals(0xFFFFFFFF | 0, ROR2(0xFFFFFFFF, i)); assertEquals(0xFFFFFFFF | 0, ROR2(0xFFFFFFFF, i)); %OptimizeFunctionOnNextCall(ROR2); assertEquals(0xFFFFFFFF | 0, ROR2(0xFFFFFFFF, i)); } for (var i = 0; i <= 100; i++) { assertEquals(-1, ROR2(-1, i)); assertEquals(-1, ROR2(-1, i)); %OptimizeFunctionOnNextCall(ROR2); assertEquals(-1, ROR2(-1, i)); } for (var i = 0; i <= 100; i++) { assertEquals(1 << ((i % 32)), ROR2(1, i)); assertEquals(1 << ((i % 32)), ROR2(1, i)); %OptimizeFunctionOnNextCall(ROR2); assertEquals(1 << ((i % 32)), ROR2(1, i)); } assertEquals(0xF0000FFF | 0, ROR3(0x0000FFFF, 4)); assertEquals(0xF0000FFF | 0, ROR3(0x0000FFFF, 4)); %OptimizeFunctionOnNextCall(ROR3); assertEquals(0xF0000FFF | 0, ROR3(0x0000FFFF, 4)); assertEquals(0x0FFFF000 | 0, ROR3(0x0000FFFF, 20)); assertEquals(0x0FFFF000 | 0, ROR3(0x0000FFFF, 20)); %OptimizeFunctionOnNextCall(ROR3); assertEquals(0x0FFFF000 | 0, ROR3(0x0000FFFF, 20)); assertEquals(0x0FFFF000 | 0, ROR3(0x0000FFFF, Twenty())); assertEquals(0x0FFFF000 | 0, ROR3(0x0000FFFF, Twenty())); %OptimizeFunctionOnNextCall(ROR3); assertEquals(0x0FFFF000 | 0, ROR3(0x0000FFFF, Twenty())); for (var i = 0; i <= 100; i++) { assertEquals(0xFFFFFFFF | 0, ROR3(0xFFFFFFFF, i)); assertEquals(0xFFFFFFFF | 0, ROR3(0xFFFFFFFF, i)); %OptimizeFunctionOnNextCall(ROR3); assertEquals(0xFFFFFFFF | 0, ROR3(0xFFFFFFFF, i)); } for (var i = 0; i <= 100; i++) { assertEquals(-1, ROR3(-1, i)); assertEquals(-1, ROR3(-1, i)); %OptimizeFunctionOnNextCall(ROR3); assertEquals(-1, ROR3(-1, i)); } for (var i = 0; i <= 100; i++) { assertEquals(1 << (32 - (i % 32)), ROR3(1, i)); assertEquals(1 << (32 - (i % 32)), ROR3(1, i)); %OptimizeFunctionOnNextCall(ROR3); assertEquals(1 << (32 - (i % 32)), ROR3(1, i)); } assertEquals(0xF0000FFF | 0, ROR4(0x0000FFFF, 28)); assertEquals(0xF0000FFF | 0, ROR4(0x0000FFFF, 28)); %OptimizeFunctionOnNextCall(ROR4); assertEquals(0xF0000FFF | 0, ROR4(0x0000FFFF, 28)); assertEquals(0x0FFFF000 | 0, ROR4(0x0000FFFF, 12)); assertEquals(0x0FFFF000 | 0, ROR4(0x0000FFFF, 12)); %OptimizeFunctionOnNextCall(ROR4); assertEquals(0x0FFFF000 | 0, ROR4(0x0000FFFF, 12)); assertEquals(0x0FFFF000 | 0, ROR4(0x0000FFFF, Twelve())); assertEquals(0x0FFFF000 | 0, ROR4(0x0000FFFF, Twelve())); %OptimizeFunctionOnNextCall(ROR4); assertEquals(0x0FFFF000 | 0, ROR4(0x0000FFFF, Twelve())); for (var i = 0; i <= 100; i++) { assertEquals(0xFFFFFFFF | 0, ROR4(0xFFFFFFFF, i)); assertEquals(0xFFFFFFFF | 0, ROR4(0xFFFFFFFF, i)); %OptimizeFunctionOnNextCall(ROR4); assertEquals(0xFFFFFFFF | 0, ROR4(0xFFFFFFFF, i)); } for (var i = 0; i <= 100; i++) { assertEquals(-1, ROR4(-1, i)); assertEquals(-1, ROR4(-1, i)); %OptimizeFunctionOnNextCall(ROR4); assertEquals(-1, ROR4(-1, i)); } for (var i = 0; i <= 100; i++) { assertEquals(1 << ((i % 32)), ROR4(1, i)); assertEquals(1 << ((i % 32)), ROR4(1, i)); %OptimizeFunctionOnNextCall(ROR4); assertEquals(1 << ((i % 32)), ROR4(1, i)); }