113   struct CacheState {  struct
117     CacheState& operator=(CacheState&&) = default;  argument
120     std::vector<VarState> stack_state;
121     LiftoffRegList used_registers;
122     uint32_t register_use_count[kAfterMaxLiftoffRegCode] = {0};
123     LiftoffRegList last_spilled_regs;
125     uint32_t stack_base = 0;
129         LiftoffRegList available_regs =
134       LiftoffRegList candidates = GetCacheRegList(rc);
140       LiftoffRegList available_regs = candidates & ~used_registers & ~pinned;
148         Register high = unused_register(kGpReg, pinned).gp();
152       LiftoffRegList candidates = GetCacheRegList(rc);
158       LiftoffRegList available_regs = candidates & ~used_registers & ~pinned;
162     void inc_used(LiftoffRegister reg) {  in inc_used()
174     void dec_used(LiftoffRegister reg) {  in dec_used()
186     bool is_used(LiftoffRegister reg) const {  in is_used()
193     uint32_t get_use_count(LiftoffRegister reg) const {  in get_use_count()
203     void clear_used(LiftoffRegister reg) {  in clear_used()
208     bool is_free(LiftoffRegister reg) const { return !is_used(reg); }  in is_free()
232     void InitMerge(const CacheState& source, uint32_t num_locals,  argument
245     CacheState& operator=(const CacheState&) = default;  argument