/* * Copyright (C) 2008-2017 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. 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. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. */ #pragma once #include "Options.h" namespace JSC { constexpr bool isARMv7IDIVSupported() { #if HAVE(ARM_IDIV_INSTRUCTIONS) return true; #else return false; #endif } constexpr bool isARM64() { #if CPU(ARM64) return true; #else return false; #endif } constexpr bool isX86() { #if CPU(X86_64) || CPU(X86) return true; #else return false; #endif } constexpr bool isX86_64() { #if CPU(X86_64) return true; #else return false; #endif } constexpr bool is64Bit() { #if USE(JSVALUE64) return true; #else return false; #endif } constexpr bool is32Bit() { return !is64Bit(); } constexpr bool isMIPS() { #if CPU(MIPS) return true; #else return false; #endif } inline bool optimizeForARMv7IDIVSupported() { return isARMv7IDIVSupported() && Options::useArchitectureSpecificOptimizations(); } inline bool optimizeForARM64() { return isARM64() && Options::useArchitectureSpecificOptimizations(); } inline bool optimizeForX86() { return isX86() && Options::useArchitectureSpecificOptimizations(); } inline bool optimizeForX86_64() { return isX86_64() && Options::useArchitectureSpecificOptimizations(); } inline bool hasSensibleDoubleToInt() { return optimizeForX86(); } } // namespace JSC