/* * Copyright (C) 2013, 2014 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. */ #ifndef FTLRegisterAtOffset_h #define FTLRegisterAtOffset_h #if ENABLE(FTL_JIT) #include "Reg.h" #include <wtf/PrintStream.h> namespace JSC { namespace FTL { class RegisterAtOffset { public: RegisterAtOffset() : m_offset(0) { } RegisterAtOffset(Reg reg, ptrdiff_t offset) : m_reg(reg) , m_offset(offset) { } bool operator!() const { return !m_reg; } Reg reg() const { return m_reg; } ptrdiff_t offset() const { return m_offset; } bool operator==(const RegisterAtOffset& other) const { return reg() == other.reg() && offset() == other.offset(); } bool operator<(const RegisterAtOffset& other) const { if (reg() != other.reg()) return reg() < other.reg(); return offset() < other.offset(); } static Reg getReg(RegisterAtOffset* value) { return value->reg(); } void dump(PrintStream& out) const; private: Reg m_reg; ptrdiff_t m_offset; }; } } // namespace JSC::FTL #endif // ENABLE(FTL_JIT) #endif // FTLRegisterAtOffset_h