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/*
* Copyright (C) 2015-2023 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 "AirStackSlot.h"
#if ENABLE(B3_JIT)
#include <wtf/TZoneMallocInlines.h>
namespace JSC { namespace B3 { namespace Air {
WTF_MAKE_TZONE_ALLOCATED_IMPL(StackSlot);
void StackSlot::setOffsetFromFP(intptr_t value)
{
m_offsetFromFP = value;
}
unsigned StackSlot::jsHash() const
{
return static_cast<unsigned>(m_kind) + m_byteSize * 3 + m_offsetFromFP * 7;
}
void StackSlot::dump(PrintStream& out) const
{
if (isSpill())
out.print("spill");
else
out.print("stack");
out.print(m_index);
}
void StackSlot::deepDump(PrintStream& out) const
{
out.print("byteSize = ", m_byteSize, ", offsetFromFP = ", m_offsetFromFP, ", kind = ", m_kind);
}
StackSlot::StackSlot(uint64_t byteSize, StackSlotKind kind, intptr_t offsetFromFP)
: m_byteSize(static_cast<uint32_t>(byteSize))
, m_kind(kind)
, m_offsetFromFP(offsetFromFP)
{
ASSERT(byteSize);
RELEASE_ASSERT(byteSize <= std::numeric_limits<uint32_t>::max());
}
} } } // namespace JSC::B3::Air
#endif // ENABLE(B3_JIT)
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