#pragma once
#if ENABLE(B3_JIT)
#include "B3MemoryValue.h"
#include "B3Width.h"
namespace JSC { namespace B3 {
class JS_EXPORT_PRIVATE AtomicValue : public MemoryValue {
public:
static bool accepts(Kind kind)
{
return isAtomic(kind.opcode());
}
~AtomicValue();
Type accessType() const { return child(0)->type(); }
Width accessWidth() const { return m_width; }
protected:
void dumpMeta(CommaPrinter&, PrintStream&) const override;
Value* cloneImpl() const override;
private:
friend class Procedure;
enum AtomicValueRMW { AtomicValueRMWTag };
enum AtomicValueCAS { AtomicValueCASTag };
AtomicValue(Kind kind, Origin origin, Width width, Value* operand, Value* pointer)
: AtomicValue(kind, origin, width, operand, pointer, 0)
{
}
template<typename Int,
typename = typename std::enable_if<std::is_integral<Int>::value>::type,
typename = typename std::enable_if<std::is_signed<Int>::value>::type,
typename = typename std::enable_if<sizeof(Int) <= sizeof(OffsetType)>::type
>
AtomicValue(Kind kind, Origin origin, Width width, Value* operand, Value* pointer, Int offset, HeapRange range = HeapRange::top(), HeapRange fenceRange = HeapRange::top())
: AtomicValue(AtomicValueRMWTag, kind, origin, width, operand, pointer, offset, range, fenceRange)
{
}
AtomicValue(Kind kind, Origin origin, Width width, Value* expectedValue, Value* newValue, Value* pointer)
: AtomicValue(kind, origin, width, expectedValue, newValue, pointer, 0)
{
}
template<typename Int,
typename = typename std::enable_if<std::is_integral<Int>::value>::type,
typename = typename std::enable_if<std::is_signed<Int>::value>::type,
typename = typename std::enable_if<sizeof(Int) <= sizeof(OffsetType)>::type
>
AtomicValue(Kind kind, Origin origin, Width width, Value* expectedValue, Value* newValue, Value* pointer, Int offset, HeapRange range = HeapRange::top(), HeapRange fenceRange = HeapRange::top())
: AtomicValue(AtomicValueCASTag, kind, origin, width, expectedValue, newValue, pointer, offset, range, fenceRange)
{
}
AtomicValue(AtomicValueRMW, Kind, Origin, Width, Value* operand, Value* pointer, OffsetType, HeapRange = HeapRange::top(), HeapRange fenceRange = HeapRange::top());
AtomicValue(AtomicValueCAS, Kind, Origin, Width, Value* expectedValue, Value* newValue, Value* pointer, OffsetType, HeapRange = HeapRange::top(), HeapRange fenceRange = HeapRange::top());
Width m_width;
};
} }
#endif // ENABLE(B3_JIT)