60       assm->mov(dst.high_gp(), Operand(base, offset + 4));  in Load()
82       assm->mov(Operand(base, offset + 4), src.high_gp());  in Store()
101       assm->push(reg.high_gp());  in push()
192       TurboAssembler::Move(reg.high_gp(), Immediate(high_word));  in LoadConstant()
246       xor_(dst.high_gp(), dst.high_gp());  in Load()
250       mov(dst.high_gp(), dst.low_gp());  in Load()
251       sar(dst.high_gp(), 31);  in Load()
261       xor_(dst.high_gp(), dst.high_gp());  in Load()
265       mov(dst.high_gp(), dst.low_gp());  in Load()
266       sar(dst.high_gp(), 31);  in Load()
273       xor_(dst.high_gp(), dst.high_gp());  in Load()
277       mov(dst.high_gp(), dst.low_gp());  in Load()
278       sar(dst.high_gp(), 31);  in Load()
288       mov(dst.high_gp(), upper_src_op);  in Load()
350       mov(upper_dst_op, src.high_gp());  in Store()
411       mov(liftoff::GetHalfStackSlot(2 * index - 1), reg.high_gp());  in Spill()
453       mov(reg.high_gp(), liftoff::GetHalfStackSlot(2 * index - 1));  in Fill()
716   LiftoffRegList keep_alive = LiftoffRegList::ForRegs(lhs.high_gp(), rhs);  in OpWithCarry()
725   keep_alive = LiftoffRegList::ForRegs(dst_low, rhs.high_gp());  in OpWithCarry()
726   Register dst_high = keep_alive.has(dst.high_gp())  in OpWithCarry()
728                           : dst.high_gp();  in OpWithCarry()
730   if (dst_high != lhs.high_gp()) assm->mov(dst_high, lhs.high_gp());  in OpWithCarry()
731   (assm->*op_with_carry)(dst_high, rhs.high_gp());  in OpWithCarry()
816   return pair.low_gp() == reg || pair.high_gp() == reg;  in PairContains()
822     return LiftoffRegister::ForPair(new_reg, pair.high_gp());  in ReplaceInPair()
824   if (pair.high_gp() == old_reg) {  in ReplaceInPair()
857   (assm->*emit_shift)(dst.high_gp(), dst.low_gp());  in Emit64BitShiftOperation()
1269       mov(dst.high_gp(), src.gp());  in emit_type_conversion()
1270       sar(dst.high_gp(), 31);  in emit_type_conversion()
1274       xor_(dst.high_gp(), dst.high_gp());  in emit_type_conversion()
1282       pop(dst.high_gp());  in emit_type_conversion()
1310       push(src.high_gp());  in emit_type_conversion()
1387     or_(dst, src.high_gp());  in emit_i64_eqz()
1389     if (src.high_gp() != dst) mov(dst, src.high_gp());  in emit_i64_eqz()
1427   cmp(lhs.high_gp(), rhs.high_gp());  in emit_i64_set_cond()