darling-JavaScriptCore/b3/B3ArgumentRegValue.h

66 lines
2.1 KiB
C++

/*
* Copyright (C) 2015-2016 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 "B3Value.h"
#include "Reg.h"
namespace JSC { namespace B3 {
class JS_EXPORT_PRIVATE ArgumentRegValue final : public Value {
public:
static bool accepts(Kind kind) { return kind == ArgumentReg; }
~ArgumentRegValue() final;
Reg argumentReg() const { return m_reg; }
B3_SPECIALIZE_VALUE_FOR_NO_CHILDREN
private:
void dumpMeta(CommaPrinter&, PrintStream&) const final;
friend class Procedure;
friend class Value;
static Opcode opcodeFromConstructor(Origin, Reg) { return ArgumentReg; }
ArgumentRegValue(Origin origin, Reg reg)
: Value(CheckedOpcode, ArgumentReg, reg.isGPR() ? pointerType() : Double, Zero, origin)
, m_reg(reg)
{
ASSERT(reg.isSet());
}
Reg m_reg;
};
} } // namespace JSC::B3
#endif // ENABLE(B3_JIT)