DFGSilentRegisterSavePlan.h [plain text]
#ifndef DFGSilentRegisterSavePlan_h
#define DFGSilentRegisterSavePlan_h
#if ENABLE(DFG_JIT)
#include "DFGCommon.h"
#include "FPRInfo.h"
#include "GPRInfo.h"
namespace JSC { namespace DFG {
enum SilentSpillAction {
DoNothingForSpill,
Store32Tag,
Store32Payload,
StorePtr,
Store64,
StoreDouble
};
enum SilentFillAction {
DoNothingForFill,
SetInt32Constant,
SetInt52Constant,
SetStrictInt52Constant,
SetBooleanConstant,
SetCellConstant,
SetTrustedJSConstant,
SetJSConstant,
SetJSConstantTag,
SetJSConstantPayload,
SetInt32Tag,
SetCellTag,
SetBooleanTag,
SetDoubleConstant,
Load32Tag,
Load32Payload,
Load32PayloadBoxInt,
Load32PayloadConvertToInt52,
Load32PayloadSignExtend,
LoadPtr,
Load64,
Load64ShiftInt52Right,
Load64ShiftInt52Left,
LoadDouble,
LoadDoubleBoxDouble,
LoadJSUnboxDouble
};
class SilentRegisterSavePlan {
public:
SilentRegisterSavePlan()
: m_spillAction(DoNothingForSpill)
, m_fillAction(DoNothingForFill)
, m_register(-1)
, m_node(0)
{
}
SilentRegisterSavePlan(
SilentSpillAction spillAction,
SilentFillAction fillAction,
Node* node,
GPRReg gpr)
: m_spillAction(spillAction)
, m_fillAction(fillAction)
, m_register(gpr)
, m_node(node)
{
}
SilentRegisterSavePlan(
SilentSpillAction spillAction,
SilentFillAction fillAction,
Node* node,
FPRReg fpr)
: m_spillAction(spillAction)
, m_fillAction(fillAction)
, m_register(fpr)
, m_node(node)
{
}
SilentSpillAction spillAction() const { return static_cast<SilentSpillAction>(m_spillAction); }
SilentFillAction fillAction() const { return static_cast<SilentFillAction>(m_fillAction); }
Node* node() const { return m_node; }
GPRReg gpr() const { return static_cast<GPRReg>(m_register); }
FPRReg fpr() const { return static_cast<FPRReg>(m_register); }
private:
int8_t m_spillAction;
int8_t m_fillAction;
int8_t m_register;
Node* m_node;
};
} }
#endif // ENABLE(DFG_JIT)
#endif // DFGSilentRegisterSavePlan_h