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/*
* 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.
*/
#include "config.h"
#include "B3AtomicValue.h"
#include "B3ValueInlines.h"
#if ENABLE(B3_JIT)
namespace JSC { namespace B3 {
AtomicValue::~AtomicValue() = default;
void AtomicValue::dumpMeta(CommaPrinter& comma, PrintStream& out) const
{
out.print(comma, "width = ", m_width);
MemoryValue::dumpMeta(comma, out);
}
AtomicValue::AtomicValue(AtomicValue::AtomicValueRMW, Kind kind, Origin origin, Width width, Value* operand, Value* pointer, MemoryValue::OffsetType offset, HeapRange range, HeapRange fenceRange)
: MemoryValue(CheckedOpcode, kind, operand->type(), Two, origin, offset, range, fenceRange, operand, pointer)
, m_width(width)
{
ASSERT(bestType(GP, accessWidth()) == accessType());
switch (kind.opcode()) {
case AtomicXchgAdd:
case AtomicXchgAnd:
case AtomicXchgOr:
case AtomicXchgSub:
case AtomicXchgXor:
case AtomicXchg:
break;
default:
ASSERT_NOT_REACHED();
}
}
AtomicValue::AtomicValue(AtomicValue::AtomicValueCAS, Kind kind, Origin origin, Width width, Value* expectedValue, Value* newValue, Value* pointer, MemoryValue::OffsetType offset, HeapRange range, HeapRange fenceRange)
: MemoryValue(CheckedOpcode, kind, kind.opcode() == AtomicWeakCAS ? Int32 : expectedValue->type(), Three, origin, offset, range, fenceRange, expectedValue, newValue, pointer)
, m_width(width)
{
ASSERT(bestType(GP, accessWidth()) == accessType());
switch (kind.opcode()) {
case AtomicWeakCAS:
case AtomicStrongCAS:
break;
default:
ASSERT_NOT_REACHED();
}
}
} } // namespace JSC::B3
#endif // ENABLE(B3_JIT)
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