958     Register old_value = WRegisterFrom(locations->GetTemp(0));      // The old value from main path.  in EmitNativeCode()  local
963     arm64_codegen->GenerateUnsafeCasOldValueMovWithBakerReadBarrier(marked, old_value);  in EmitNativeCode()
990     __ Ccmp(tmp, old_value, ZFlag, ne);  in EmitNativeCode()
1022   Register old_value;                                              // Value in memory.  in GenCas()  local
1040     old_value = WRegisterFrom(locations->GetTemp(0));  in GenCas()
1042     old_value = temps.AcquireSameSizeAs(value);  in GenCas()
1054   __ Ldaxr(old_value, MemOperand(tmp_ptr));  in GenCas()
1056     assembler->MaybeUnpoisonHeapReference(old_value);  in GenCas()
1058   __ Cmp(old_value, expected);  in GenCas()
1063   __ Stlxr(old_value.W(), value, MemOperand(tmp_ptr));  // Reuse `old_value` for STLXR result.  in GenCas()
1067   __ Cbnz(old_value.W(), &loop_head);  in GenCas()