/* * Copyright (C) 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 #if ENABLE(B3_JIT) #include "AirArg.h" namespace JSC { namespace B3 { namespace Air { static const uint8_t formRoleShift = 0; static const uint8_t formRoleMask = 15; static const uint8_t formBankShift = 4; static const uint8_t formBankMask = 1; static const uint8_t formWidthShift = 5; static const uint8_t formWidthMask = 3; static const uint8_t formInvalidShift = 7; #define ENCODE_INST_FORM(role, bank, width) (static_cast<uint8_t>(role) << formRoleShift | static_cast<uint8_t>(bank) << formBankShift | static_cast<uint8_t>(width) << formWidthShift) #define INVALID_INST_FORM (1 << formInvalidShift) JS_EXPORT_PRIVATE extern uint8_t g_formTable[]; inline Arg::Role decodeFormRole(uint8_t value) { return static_cast<Arg::Role>((value >> formRoleShift) & formRoleMask); } inline Bank decodeFormBank(uint8_t value) { return static_cast<Bank>((value >> formBankShift) & formBankMask); } inline Width decodeFormWidth(uint8_t value) { return static_cast<Width>((value >> formWidthShift) & formWidthMask); } } } } // namespace JSC::B3::Air #endif // ENABLE(B3_JIT)